re PR c/91149 (GCC 9 and later incorrectly rejects OpenMP task reduction-modifier...

[official-gcc.git] / gcc / c-family / ChangeLog

2019-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/91149
        * c-omp.c (c_omp_split_clauses): Fix a pasto in
        OMP_CLAUSE_REDUCTION_TASK handling.

2019-07-12  Jakub Jelinek  <jakub@redhat.com>

        * c-pragma.h (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ORDER.
        * c-omp.c (c_omp_split_clauses): Handle splitting of OMP_CLAUSE_ORDER.

2019-07-09  Martin Sebor  <msebor@redhat.com>

        PR c++/61339
        * c-opts.c (handle_deferred_opts): Change class-key of PODs to struct
        and others to class.
        * c-pretty-print.h: Same.

2019-07-09  Martin Sebor  <msebor@redhat.com>

        PR c++/61339
        * c-format.c (check_argument_type): Change class-key from class to
        struct and vice versa to match convention and avoid -Wclass-is-pod
        and -Wstruct-no-pod.
        * c-pretty-print.h: Same.

2019-07-03  Martin Liska  <mliska@suse.cz>

        * c-common.c (try_to_locate_new_include_insertion_point): Remove
        dead assignemts.

2019-07-03  Jakub Jelinek  <jakub@redhat.com>

        * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_REDUCTION_INSCAN
        clauses on OMP_FOR rather than OMP_PARALLEL when OMP_FOR is combined
        with OMP_PARALLEL.

2019-07-02  qing zhao  <qing.zhao@oracle.com>

        PR preprocessor/90581
        * c-opts.c (c_common_handle_option): Handle -fmax-include-depth.
        * c.opt: Add new option -fmax-include-depth.

2019-06-26  Jason Merrill  <jason@redhat.com>

        PR c++/55442 - memory-hog with highly recursive constexpr.
        * c.opt (fconstexpr-loop-limit): New.

2019-06-25  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/90954
        * c-omp.c (c_finish_omp_atomic): Allow tree_invariant_p in addition
        to SAVE_EXPR in first operand of a COMPOUND_EXPR.

2019-06-24  Jan Hubicka  <jh@suse.cz>

        * c-common.c (braced_lists_to_strings): Check that
        type is array or integer prior checking string flag.

2019-06-21  Matthew Beliveau  <mbelivea@redhat.com>

        PR c++/90875 - added -Wswitch-outside-range option
        * c.opt (Wswitch-outside-range): Added new option.
        * c-warn.c (c_do_switch_warnings): Use OPT_Wswitch-outside-range.

2019-06-21  Marek Polacek  <polacek@redhat.com>

        PR c++/90953 - ICE with -Wmissing-format-attribute.
        * c-common.c (check_function_arguments_recurse): Use
        get_attribute_name.
        (check_missing_format_attribute): Likewise.

2019-06-19  Marek Polacek  <polacek@redhat.com>

        PR c++/60364 - noreturn after first decl not diagnosed.
        * c-attribs.c (handle_noreturn_attribute): No longer static.
        * c-common.h (handle_noreturn_attribute, attr_noreturn_exclusions):
        Declare.
        * c-format.c (check_function_format): Use get_attribute_name.

2019-06-19  Martin Sebor  <msebor@redhat.com>

        PR translation/90156
        * c-format.c (function_format_info::format_type): Adjust type.
        (function_format_info::is_raw): New member.
        (decode_format_type): Adjust signature.  Handle "raw" diag attributes.
        (decode_format_attr): Adjust call to decode_format_type.
        Avoid a redundant call to convert_format_name_to_system_name.
        Avoid abbreviating the word "arguments" in a diagnostic.
        (format_warning_substr): New function.
        (avoid_dollar_number): Quote dollar sign in a diagnostic.
        (finish_dollar_format_checking): Same.
        (check_format_info): Same.
        (struct baltoks_t): New.
        (c_opers, c_keywords, cxx_keywords, badwords, contrs): New arrays.
        (maybe_diag_unbalanced_tokens, check_tokens, check_plain): New
        functions.
        (check_format_info_main): Call check_plain.  Use baltoks_t.  Call
        maybe_diag_unbalanced_tokens.
        (handle_format_attribute): Spell out the word "arguments" in
        a diagnostic.

2019-06-11  Matthew Beliveau  <mbelivea@redhat.com>

        PR c++/90449 - add -Winaccessible-base option.
        * c.opt (Winaccessible-base): New option.

2019-06-10  Jakub Jelinek  <jakub@redhat.com>

        * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_SCAN.
        * c-pragma.c (omp_pragmas_simd): Add #pragma omp scan.
        * c-omp.c (c_omp_split_clauses): Diagnose inscan reductions on
        combined/composite constructs where it is not allowed.  Copy over
        OMP_CLAUSE_REDUCTION_INSCAN.

2019-06-05  Martin Sebor  <msebor@redhat.com>

        * c-attribs.c (handle_mode_attribute): Adjust quoting and hyphenation.
        (handle_alias_ifunc_attribute): Same.
        (handle_copy_attribute): Same.
        (handle_weakref_attribute): Same.
        (handle_nonnull_attribute): Same.
        * c-warn.c (warn_for_sign_compare): Same.
        (warn_for_restrict): Same.
        * c.opt: Same.

2019-06-05  Martin Sebor  <msebor@redhat.com>

        * c-pragma.c (handle_pragma_weak): Adjust quoting in a diagnostic.
        * c.opt (-Wformat-diag): Remove a spurious period.

2019-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR c/90628
        * c-common.c (check_builtin_function_arguments)
        <case BUILTIN_*_OVERFLOW>: Diagnose pointer to const qualified integer
        as last argument.

2019-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (compare_node): Compare the DECL_UIDs as a last resort.

2019-05-22  Martin Liska  <mliska@suse.cz>

        PR lto/90500
        * c-attribs.c (handle_copy_attribute): Do not copy
        target_clones attribute.

2019-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (enum cpp_operation): Add IS_ASSIGNMENT_OPERATOR.
        * c-ada-spec.c (print_assignment_operator): New function.
        (dump_ada_declaration) <FUNCTION_DECL>: Call it do dump explicit copy
        assignment operators declared as methods and filter out the others.

2019-05-17  Thomas Schwinge  <thomas@codesourcery.com>

        PR c/89433
        * c-attribs.c (c_common_attribute_table): Set min_len to -1 for
        "omp declare target".

2019-05-16  Martin Sebor  <msebor@redhat.com>

        * c-attribs.c (handle_no_sanitize_attribute): Quote identifiers,
        keywords, operators, and types in diagnostics.
        (handle_scalar_storage_order_attribute): Same.
        (handle_mode_attribute): Same.
        (handle_visibility_attribute): Same.
        (handle_assume_aligned_attribute): Same.
        (handle_no_split_stack_attribute): Same.
        * c-common.c (shorten_compare): Same.
        (c_common_truthvalue_conversion): Same.
        (cb_get_source_date_epoch): Same.
        * c-lex.c (cb_def_pragma): Quote keywords, operators, and types
        in diagnostics.
        (interpret_float): Same.
        * c-omp.c (c_finish_omp_for): Same.
        * c-opts.c (c_common_post_options): Same.
        * c-pch.c (c_common_pch_pragma): Same.
        * c-pragma.c (pop_alignment): Same.
        (handle_pragma_pack): Same.
        (apply_pragma_weak): Same.
        (handle_pragma_weak): Same.
        (handle_pragma_scalar_storage_order): Same.
        (handle_pragma_redefine_extname): Same.
        (add_to_renaming_pragma_list): Same.
        (maybe_apply_renaming_pragma): Same.
        (push_visibility): Same.
        (handle_pragma_visibility): Same.
        (handle_pragma_optimize): Same.
        (handle_pragma_message): Same.
        * c-warn.c (warn_for_omitted_condop): Same.
        (lvalue_error): Same.

2019-05-15  Richard Biener  <rguenther@suse.de>

        PR c/90474
        * c-common.c (c_common_mark_addressable_vec): Also mark
        a COMPOUND_LITERAL_EXPR_DECL addressable similar to
        c_mark_addressable.
 
2019-05-06  Nathan Sidwell  <nathan@acm.org>

        * c-opts.c (handle_defered_opts): Rename struct deps to struc mkdeps.

2019-04-30  Nathan Sidwell  <nathan@acm.org>

        * c-common.c (c_common_init_ts): Use MARK_TS_EXP.  Mark SIZEOF_EXPR.

2019-04-30  Martin Liska  <mliska@suse.cz>

        * c-pragma.c (handle_pragma_diagnostic): Provide hints
        for unknown options.

2019-04-26  Richard Sandiford  <richard.sandiford@arm.com>

        * c-warn.c (strict_aliasing_warning): Apply COMPLETE_TYPE_P to
        the pointer target rather than the pointer itself.

2019-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/89888
        * c-common.h (c_add_case_label): Remove orig_type and outside_range_p
        arguments.
        (c_do_switch_warnings): Remove outside_range_p argument.
        * c-common.c (check_case_bounds): Removed.
        (c_add_case_label): Remove orig_type and outside_range_p arguments.
        Don't call check_case_bounds.  Fold low_value as well as high_value.
        * c-warn.c (c_do_switch_warnings): Remove outside_range_p argument.
        Check for case labels outside of range of original type here and
        adjust them.

2019-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR translation/90041
        * c.opt (-fhandle-exceptions): Use %< and %> around option names
        in the Warn diagnostics.

        PR c/89946
        * c-attribs.c (handle_patchable_function_entry_attribute): Add
        function comment.  Warn if arguments of the attribute are not positive
        integer constants.

2019-04-09  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (print_destructor): Deal with deleting destructors.
        (dump_ada_declaration) <FUNCTION_DECL>: Likewise.

2019-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (is_float128): New predicate extracted from...
        (dump_ada_node) <COMPLEX_TYPE>: Use it to recognize __cfloat128.
        <REAL_TYPE>: ...here.  Call it.

2019-04-05  David Malcolm  <dmalcolm@redhat.com>

        PR c/89985
        * c-warn.c (check_address_or_pointer_of_packed_member): Add
        auto_diagnostic_group.  Guard inform calls by result of
        warning_at call.

2019-04-05  Marek Polacek  <polacek@redhat.com>

        PR c++/89973 - -Waddress-of-packed-member ICE with invalid conversion. 
        * c-warn.c (check_address_or_pointer_of_packed_member): Check the type
        of RHS.

2019-04-03  Jason Merrill  <jason@redhat.com>

        PR c++/86586 - -fcompare-debug=-Wsign-compare.
        * c-warn.c (warn_for_sign_compare): Call fold_for_warn.

2019-04-01  Martin Sebor  <msebor@redhat.com>

        PR c/89685
        * c-attribs.c (handle_copy_attribute): Handle references and
        non-constant expressions.

2019-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/87481
        * c.opt (-fconstexpr-ops-limit=): New option.

2019-03-21  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (per_file_includes_t): Use false as Lazy in hash_set
        template param.

2019-03-19  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/89688
        * c-common.c (braced_list_to_string): Make static.
        (braced_lists_to_strings): Define new function.
        * c-common.h (braced_list_to_string): Remove.
        (braced_lists_to_strings): Declare.

2019-03-12  Martin Liska  <mliska@suse.cz>

        * c-opts.c (c_common_handle_option): Wrap option with %< and %>.

2019-03-11  Martin Liska  <mliska@suse.cz>

        * c-opts.c (c_common_post_options): Wrap apostrophes
        in gcc internal format with %'.

2019-03-11  Martin Liska  <mliska@suse.cz>

        * c-attribs.c (handle_nocf_check_attribute): Wrap an option name
        in a string format message and fix GNU coding style.
        * c-common.c (vector_types_convertible_p): Likewise.
        (c_build_vec_perm_expr): Likewise.
        * c-indentation.c (get_visual_column): Likewise.
        * c-opts.c (c_common_handle_option): Likewise.
        (c_common_post_options): Likewise.
        (sanitize_cpp_opts): Likewise.
        * c-pch.c (c_common_pch_pragma): Likewise.
        * c-pragma.c (handle_pragma_pack): Likewise.

2019-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/89550
        * c-common.c (c_common_truthvalue_conversion): Only set
        TREE_NO_WARNING if warning_at returned true.
        * c-warn.c (overflow_warning, warn_logical_operator): Likewise.

2019-02-25  Sandra Loosemore  <sandra@codesourcery.com>
            Martin Sebor  <msebor@gmail.com>

        * c.opt (Wmissing-attributes): Clean up doc string.

2019-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR c/89495
        * c-format.c (maybe_read_dollar_number): Compute nargnum in
        HOST_WIDE_INT type to avoid overflows and change overflow_flag
        checking.

2019-02-22  Richard Biener  <rguenther@suse.de>

        * c-pch.c (no_checksum): Remove.
        (pch_init): Remove assertion that executable_checksum is not
        all zero.
        (c_common_valid_pch): Likewise.

2019-02-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/89294
        * c-common.c (invalid_array_size_error): Handle cst_size_not_constant.

2019-02-16  David Malcolm  <dmalcolm@redhat.com>

        PR c++/88680
        * c-common.c (shorten_compare): Call fold_for_warn on op0 when
        implementing -Wtype-limits.

2019-02-11  Martin Sebor  <msebor@redhat.com>

        PR c++/87996
        * c-common.c (invalid_array_size_error): New function.
        (valid_array_size_p): Call it.  Handle size as well as type.
        * c-common.h (valid_constant_size_p): New function.
        (enum cst_size_error): New type.

2019-01-31  David Malcolm  <dmalcolm@redhat.com>

        PR c/89122
        * known-headers.cc (get_stdlib_header_for_name): Add
        {FLT|DBL|LDBL}_{MAX|MIN} to "hints" array.

2019-01-31  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/88170
        * c-pretty-print.c (pp_c_enumeration_constant): Print always as
        a C cast in pp_c_flag_gnu_v3 mode.

2019-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR c/86125
        * c-common.c (c_common_nodes_and_builtins): Build type variants for
        builtin_structptr_types types even for C.

2019-01-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-warn.c (check_address_or_pointer_of_packed_member): Handle the case
        when rhs is of array type correctly.  Fix handling of nested structures.
        Fix handling of indirect_ref together with nop_expr and/or addr_expr.
        (check_and_warn_address_or_pointer_of_packed_member): Fix handling of
        type casts within nested compound expressions.

2019-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/88968
        * c-omp.c (c_finish_omp_atomic): For bitfield atomics, update type
        variable after using BIT_FIELD_REF.

2019-01-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/51628
        PR c/88664
        * c-common.h (warn_for_address_or_pointer_of_packed_member):
        Remove the boolean argument.
        * c-warn.c (check_address_of_packed_member): Renamed to ...
        (check_address_or_pointer_of_packed_member): This.  Also
        warn pointer conversion.
        (check_and_warn_address_of_packed_member): Renamed to ...
        (check_and_warn_address_or_pointer_of_packed_member): This.
        Also warn pointer conversion.
        (warn_for_address_or_pointer_of_packed_member): Remove the
        boolean argument.  Don't check pointer conversion here.

2019-01-15  Richard Sandiford  <richard.sandiford@arm.com>

        PR inline-asm/52813
        * c.opt (Wdeprecated): Move documentation and variable to common.opt.

2019-01-14  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtin): Define __cpp_guaranteed_copy_elision
        and __cpp_nontype_template_parameter_auto.  Add a comment that
        __cpp_template_auto is deprecated.

2019-01-14  Tom Honermann  <tom@honermann.net>

        Implement P0482R5, char8_t: A type for UTF-8 characters and strings
        * c-common.c (c_common_reswords): Add char8_t.
        (fix_string_type): Use char8_t for the type of u8 string literals.
        (c_common_get_alias_set): char8_t doesn't alias.
        (c_common_nodes_and_builtins): Define char8_t as a builtin type in
        C++.
        (c_stddef_cpp_builtins): Add __CHAR8_TYPE__.
        (keyword_begins_type_specifier): Add RID_CHAR8.
        * c-common.h (rid): Add RID_CHAR8.
        (c_tree_index): Add CTI_CHAR8_TYPE and CTI_CHAR8_ARRAY_TYPE.
        Define D_CXX_CHAR8_T and D_CXX_CHAR8_T_FLAGS.
        Define char8_type_node and char8_array_type_node.
        * c-cppbuiltin.c (cpp_atomic_builtins): Predefine
        __GCC_ATOMIC_CHAR8_T_LOCK_FREE.
        (c_cpp_builtins): Predefine __cpp_char8_t.
        * c-lex.c (lex_string): Use char8_array_type_node as the type of
        CPP_UTF8STRING.
        (lex_charconst): Use char8_type_node as the type of CPP_UTF8CHAR.
        * c-opts.c: If not otherwise specified, enable -fchar8_t when
        targeting C++2a.
        * c.opt: Add the -fchar8_t command line option.

2019-01-14  Martin Sebor  <msebor@redhat.com>

        PR target/88638
        * c-attribs.c (positional_argument): Call valid_format_string_type_p
        and issue errors if it fails.
        * c-common.h (valid_format_string_type_p): Declare.
        * c-format.c (valid_stringptr_type_p): Rename...
        (valid_format_string_type_p): ...to this and make extern.
        (handle_format_arg_attribute): Adjust to new name.
        (check_format_string): Same.

2019-01-13  H.J. Lu  <hongjiu.lu@intel.com>

        * c-warn.c (warn_for_address_or_pointer_of_packed_member):
        Replace "may may" with "may" in warning message.

2019-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR c++/85052
        * c-common.h (enum rid): Add RID_BUILTIN_CONVERTVECTOR.
        (c_build_vec_convert): Declare.
        * c-common.c (c_build_vec_convert): New function.

2019-01-04  Martin Sebor  <msebor@redhat.com>

        PR c/88546
        * c-attribs.c (handle_copy_attribute): Avoid copying attribute leaf.
        Handle C++ empty throw specification and C11 _Noreturn.
        (has_attribute): Also handle C11 _Noreturn.

2019-01-04  Martin Sebor  <msebor@redhat.com>

        PR c/88363
        * c-attribs.c (positional_argument): Also accept enumerated types.

2019-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2018-12-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/51628
        * c-common.h (warn_for_address_or_pointer_of_packed_member): New.
        * c-warn.c (check_alignment_of_packed_member): New function.
        (check_address_of_packed_member): Likewise.
        (check_and_warn_address_of_packed_member): Likewise.
        (warn_for_address_or_pointer_of_packed_member): Likewise.
        * c.opt: Add -Wno-address-of-packed-member.

2018-12-20  David Malcolm  <dmalcolm@redhat.com>

        PR c++/87504
        * c-warn.c (get_outermost_macro_expansion): New function.
        (spelled_the_same_p): Use it to unwind the macro expansions, and
        compare the outermost macro in each nested expansion, rather than
        the innermost.

2018-12-19  David Malcolm  <dmalcolm@redhat.com>

        PR c++/87504
        * c-common.h (warn_tautological_cmp): Convert 1st param from
        location_t to const op_location_t &.
        * c-warn.c (find_array_ref_with_const_idx_r): Call fold_for_warn
        when testing for INTEGER_CST.
        (warn_tautological_bitwise_comparison): Convert 1st param from
        location_t to const op_location_t &; use it to build a
        binary_op_rich_location, and use this.
        (spelled_the_same_p): New function.
        (warn_tautological_cmp): Convert 1st param from location_t to
        const op_location_t &.  Warn for macro expansions if
        spelled_the_same_p.  Use binary_op_rich_location.

2018-12-19  David Malcolm  <dmalcolm@redhat.com>

        PR c++/43064
        PR c++/43486
        * c-common.c (unsafe_conversion_p): Fold any location wrapper.
        (verify_tree): Handle location wrappers.
        (c_common_truthvalue_conversion): Strip any location wrapper.
        Handle CONST_DECL.
        (fold_offsetof): Strip any location wrapper.
        (complete_array_type): Likewise for initial_value.
        (convert_vector_to_array_for_subscript): Call fold_for_warn on the
        index before checking for INTEGER_CST.
        * c-pretty-print.c (c_pretty_printer::primary_expression): Don't
        print parentheses around location wrappers.
        * c-warn.c (warn_logical_operator): Call fold_for_warn on op_right
        before checking for INTEGER_CST.
        (warn_tautological_bitwise_comparison): Call
        tree_strip_any_location_wrapper on lhs, rhs, and bitop's operand
        before checking for INTEGER_CST.
        (readonly_error): Strip any location wrapper.
        (warn_array_subscript_with_type_char): Strip location wrappers
        before checking for INTEGER_CST.  Use the location of the index if
        available.

2018-12-06  Jason Merrill  <jason@redhat.com>

        PR c++/88136 - -Wdeprecated-copy false positives
        * c.opt (Wdeprecated-copy-dtor): New.
        (Wdeprecated-copy): Move to -Wextra.

2018-11-29  Martin Sebor  <msebor@redhat.com>

        PR c/88172
        PR testsuite/88208
        * c-attribs.c (common_handle_aligned_attribute): Silently avoid setting
        alignments to values less than the target requires.
        (has_attribute): For attribute aligned consider both the attribute
        and the alignment bits.
        * c-common.c (c_init_attributes): Optionally issue a warning for
        zero alignment.

2018-11-28  Martin Sebor  <msebor@redhat.com>

        PR c/88065
        PR c/87297
        * c-warn.c (sizeof_pointer_memaccess_warning): Bail if source
        or destination is an error.

2018-11-28  Jakub Jelinek  <jakub@redhat.com>

        PR c++/88215
        * c-ubsan.c: Include langhooks.h.
        (ubsan_instrument_division): Change gcc_assert that main variants
        of op0 and op1 types are equal to gcc_checking_assert that the
        main variants are compatible types.

2018-11-27  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c: Include stringpool.h.
        (has_static_fields): Return false for incomplete types.
        (is_tagged_type): Likewise.
        (has_nontrivial_methods): Likewise.
        (dump_ada_node) <INTEGER_TYPE>: Deal specifically with __int128.
        (struct overloaded_name_hash): New structure.
        (struct overloaded_name_hasher): Likewise.
        (overloaded_names): New global variable.
        (init_overloaded_names): New static function.
        (overloaded_name_p): New predicate.
        (dump_ada_declaration) <TYPE_DECL>: Tidy up and set TREE_VISITED
        on the TYPE_STUB_DECL of the original type of a typedef, if any.
        <FUNCTION_DECL>: Bail out for an unsupported overloaded name.
        Remove always-true condition and dump forward types.
        (dump_ada_specs): Delete overloaded_names.

2018-11-20  Martin Sebor  <msebor@redhat.com>

        * c-attribs.c (type_for_vector_size): New function.
        (type_valid_for_vector_size): Same.
        (handle_vector_size_attribute): Move code to the functions above
        and call them.
        (validate_attribute, has_attribute): New functions.
        * c-common.h (has_attribute): Declare.
        (rid): Add RID_HAS_ATTRIBUTE_EXPRESSION.
        * c-common.c (c_common_resword): Same.

2018-11-16  Jason Merrill  <jason@redhat.com>

        * c-lex.c (c_common_has_attribute): Handle likely/unlikely.
        * c-attribs.c (attr_cold_hot_exclusions): Make public.

2018-11-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/87854
        * c-common.c (fix_string_type): Reject string literals larger than
        TYPE_MAX_VALUE (ssizetype) bytes.

2018-11-15  Martin Sebor  <msebor@redhat.com>

        PR c++/87541
        PR c++/87542
        * c-attribs.c (positional_argument): New function.
        (handle_alloc_size_attribute): Use it and simplify.
        (handle_alloc_align_attribute): Same.
        (handle_assume_aligned_attribute): Same.
        (handle_nonnull_attribute): Same.
        * c-common.c (check_function_arguments): Pass fntype to
        check_function_format.
        * c-common.h (check_function_format): Add an argument.
        (PosArgFlags, positional_argument): Declare new type and function.
        * c-format.c (decode_format_attr): Add arguments.
        (check_format_string, get_constant): Same.
        (convert_format_name_to_system_name): Adjust.

2018-11-15  David Malcolm  <dmalcolm@redhat.com>

        PR other/19165
        * c-opts.c (c_diagnostic_finalizer): Add diagnostic_t param.

2018-11-14  Jakub Jelinek  <jakub@redhat.com>

        P1236R1 - Signed integers are two's complement
        * c-warn.c (maybe_warn_shift_overflow): Don't warn for c++2a.
        * c-ubsan.c (ubsan_instrument_shift): Make signed shifts
        with in-range second operand well defined for -std=c++2a.

        PR other/88007
        * c-common.c (parse_optimize_options): Allocate option string from
        opts_obstack rather than as GC memory.  Move the allocation after
        warning for invalid option.

2018-11-13  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_get_substring_location): Update for renaming of
        get_source_location_for_substring to get_location_within_string.
        * c-lex.c: Replace "source_location" with "location_t".
        * c-opts.c: Likewise.
        * c-ppoutput.c: Likewise.

2018-11-13  Martin Sebor  <msebor@redhat.com>

        PR middle-end/81824
        * c-attribs.c (handle_copy_attribute): Exclude inlining attributes.
        (handle_tls_model_attribute): Improve diagnostics.

2018-11-12  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define
        __cpp_impl_destroying_delete.

        * c-cppbuiltin.c (c_cpp_builtins): Change __cpp_explicit_bool to
        __cpp_conditional_explicit.

2018-11-09  Martin Sebor  <msebor@redhat.com>

        PR middle-end/81824
        * c-attribs.c (handle_copy_attribute): New function.

2018-11-09  Martin Sebor  <msebor@redhat.com>

        PR c/87795
        * c-common.c (check_user_alignment): Use MAX_OFILE_ALIGNMENT.

2018-11-08  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_finish_omp_taskgroup): Add CLAUSES argument.
        (c_finish_omp_atomic): Replace bool SEQ_CST argument with
        enum omp_memory_order MEMORY_ORDER.
        (c_finish_omp_flush): Add MO argument.
        (c_omp_depend_t_p, c_finish_omp_depobj): Declare.
        (c_finish_omp_for): Add FINAL_P argument.
        * c-omp.c: Include memmodel.h.
        (c_finish_omp_taskgroup): Add CLAUSES argument.  Set
        OMP_TASKGROUP_CLAUSES to it.
        (c_finish_omp_atomic): Replace bool SEQ_CST argument with
        enum omp_memory_order MEMORY_ORDER.  Set OMP_ATOMIC_MEMORY_ORDER
        instead of OMP_ATOMIC_SEQ_CST.
        (c_omp_depend_t_p, c_finish_omp_depobj): New functions.
        (c_finish_omp_flush): Add MO argument, if not MEMMODEL_LAST, emit
        __atomic_thread_fence call with the given value.
        (check_omp_for_incr_expr): Formatting fixes.
        (c_finish_omp_for): Add FINAL_P argument.  Allow NE_EXPR
        even in OpenMP loops, diagnose if NE_EXPR and incr expression
        is not constant expression 1 or -1.  Transform NE_EXPR loops
        with iterators pointers to VLA into LT_EXPR or GT_EXPR loops.
        (c_omp_check_loop_iv_r): Look for orig decl of C++ range for
        loops too.
        (c_omp_split_clauses): Add support for combined
        #pragma omp parallel master and
        #pragma omp {,parallel }master taskloop{, simd} constructs.
        Handle OMP_CLAUSE_IN_REDUCTION.  Handle OMP_CLAUSE_REDUCTION_TASK.
        Handle OMP_CLAUSE_NONTEMPORAL.  Handle splitting OMP_CLAUSE_IF
        also to OMP_SIMD.  Copy OMP_CLAUSE_LASTPRIVATE_CONDITIONAL.
        (c_omp_predetermined_sharing): Don't return
        OMP_CLAUSE_DEFAULT_SHARED for const qualified decls.
        * c-pragma.c (omp_pragmas): Add PRAGMA_OMP_DEPOBJ and
        PRAGMA_OMP_REQUIRES.
        * c-pragma.h (enum pragma_kind): Likewise.
        (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_NONTEMPORAL
        and PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION.

2018-11-08  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (gcc_dump_printf_char_table): Add entry for %f.

2018-11-08  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (local_cgraph_node_ptr_node): New variable.
        (gcc_dump_printf_char_table): Add entry for %C.
        (get_pointer_to_named_type): New function, taken from the handling
        code for "gimple *" from...
        (init_dynamic_diag_info): ...here.  Add handling for
        "cgraph_node *".
        * c-format.h (T_CGRAPH_NODE): New.

2018-10-19  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Add
        __cpp_nontype_template_parameter_class.

2018-10-31  Nathan Sidwell  <nathan@acm.org>

        * c-opts.c (c_finish_options): Force command line macro
        location.  Refactor to avoid repeating main debug hook.
        (push_command_line_include): Clarify comment.

        * c-opts.c (c_finish_options): Adjust cpp_force_token_locations call.

2018-10-30  Martin Sebor  <msebor@redhat.com>

        PR middle-end/87041
        * c-format.c (check_format_types): Avoid diagnosing null pointer
        arguments to printf-family of functions.

2018-10-30  Marek Polacek  <polacek@redhat.com>

        Implement P0892R2, explicit(bool).
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_explicit_bool.

2018-10-29  David Malcolm  <dmalcolm@redhat.com>

        * name-hint.h (name_hint::take_deferred): New member function.

2018-10-29  David Malcolm  <dmalcolm@redhat.com>

        PR c++/56856
        * c-common.c (check_function_sentinel): Call fold_for_warn on the
        argument.
        (check_function_restrict): Rename param "argarray" to
        "unfolded_argarray", and make a copy named "argarray", calling
        fold_for_warn on each argument.
        (check_function_arguments): Add note about responsibility for
        folding the arguments.

2018-10-17  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_isoc2x): New variable.
        * c-common.h (clk_c): Update comment to reference C2X.
        (flag_isoc99, flag_isoc11): Update comments to reference future
        standard versions in general.
        (flag_isoc2x): Declare.
        * c-opts.c (set_std_c2x): New function.
        (c_common_handle_option): Handle -std=c2x and -std=gnu2x.
        (set_std_c89, set_std_c99, set_std_c11, set_std_c17): Set
        flag_isoc2x to 0.
        * c.opt (Wc11-c2x-compat, std=c2x, std=gnu2x): New options.

2018-10-17  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (std=c17, std=c18, std=gnu17, std=gnu18, std=iso9899:2017)
        (std=iso9899:2018): Document C17 as published in 2018.

2018-10-12  Christophe Lyon  <christophe.lyon@linaro.org>

        PR c++/87364
        * c-pretty-print.c (c_pretty_printer::constant): Fix typo.

2018-10-11  Will Wray  <wjwray@gmail.com>

        PR c++/87364
        * c-pretty-print.h (pp_c_type_cast): Prototype.
        (pp_c_integer_constant): Likewise.
        * c-pretty-print.c (pp_c_type_cast): No longer static.
        (pp_c_integer_constant): Likewise.
        (pp_c_enumeration_constant): Fix loop termination when finding
        name of constant.  No longer returns a value.  Call
        pp_c_integer_constant.
        (c_pretty_printer::constant): Update for changes to
        pp_c_enumeration_constant.

2018-10-11  Jakub Jelinek  <jakub@redhat.com>

        * c-lex.c (c_common_has_attribute): Return 201803 instead of 20180312
        for no_unique_address.

2018-10-09  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_option_controlling_cpp_error): Rename to...
        (c_option_controlling_cpp_diagnostic): ...this, and convert
        "reason" from int to enum.
        (c_cpp_error): Rename to...
        (c_cpp_diagnostic): ...this, converting level and reason to enums.
        * c-common.h (c_cpp_error): Rename to...
        (c_cpp_diagnostic): ...this, converting level and reason to enums.
        * c-opts.c (c_common_init_options): Update for renaming.

2018-10-08  Richard Sandiford  <richard.sandiford@arm.com>

        PR c/87286
        * c-common.c (vector_types_compatible_elements_p): Use
        INTEGRAL_TYPE_P instead of checking only for INTEGER_TYPE.

2018-10-04  Vinay Kumar  <vinay.kumar@blackfigtech.com>

        * c-attribs.c (get_priority): Add a warning flag warn_prio_ctor_dtor
        to generate constructor destructor priority warning.
        * c.opt (-Wprio-ctor-dtor): New option.

2018-10-01  Jason Merrill  <jason@redhat.com>

        * c-lex.c (c_common_has_attribute): Add no_unique_address.

2018-10-01  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (get_underlying_decl): Get to the main type variant.
        (dump_ada_node): Add const keyword.

2018-09-25  Martin Liska  <mliska@suse.cz>

        * c-common.c (c_common_truthvalue_conversion):
        Remove Pascal from documentation.

2018-09-21  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c: Include diagnostic.h.
        (dump_ada_declaration) <RECORD_TYPE>: Issue a warning on packed layout.

2018-09-19  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wclass-conversion): New.

2018-09-17  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (range_label_for_format_type_mismatch::get_text):
        Update for new param.

2018-09-17  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (format_warning_at_char): Update for introduction of
        format_string_diagnostic_t.
        (format_type_warning): Likewise.

2018-09-17  Martin Jambor  <mjambor@suse.cz>

        PR c/63886
        * c.opt (Wabsolute-value): New.

2018-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (complete_flexible_array_elts): New helper function.
        * c-common.h (complete_flexible_array_elts): Declare.

2018-09-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (braced_list_to_string): Remove eval parameter.
        Add some more checks.  Always create zero-terminated STRING_CST.
        * c-common.h (braced_list_to_string): Adjust prototype.

2018-08-27  David Malcolm  <dmalcolm@redhat.com>

        PR 87091
        * c-common.c (c_cpp_error): Update for conversion of show_caret_p
        to a tri-state.
        (maybe_suggest_missing_token_insertion): Likewise.
        (maybe_add_include_fixit): Add param "override_location".  If set,
        and source-printing is enabled, then override the rich_location's
        primary location with that of the insertion point for the fix-it
        hint, marking it with SHOW_LINES_WITHOUT_RANGE.
        * c-common.h (extern void maybe_add_include_fixit): Add bool
        param.
        * c-format.c (selftest::test_type_mismatch_range_labels): Update
        for conversion of show_caret_p to a tri-state.
        * c-warn.c (warn_for_restrict): Likewise.
        * known-headers.cc
        (suggest_missing_header::~suggest_missing_header): Update call to
        maybe_add_include_fixit to suggest overriding the location, as it
        is for a note.

2018-08-27  Martin Liska  <mliska@suse.cz>

        * c-common.c (check_function_restrict): Use new function
        fndecl_built_in_p and remove check for FUNCTION_DECL if
        possible.
        (check_builtin_function_arguments): Likewise.
        (reject_gcc_builtin): Likewise.
        * c-warn.c (sizeof_pointer_memaccess_warning): Likewise.

2018-08-26  Marek Polacek  <polacek@redhat.com>

        PR c++/87029, Implement -Wredundant-move.
        * c.opt (Wredundant-move): New option.

2018-08-21  Marek Polacek  <polacek@redhat.com>

        PR c++/86981, Implement -Wpessimizing-move.
        * c.opt (Wpessimizing-move): New option.

2018-08-20  David Malcolm  <dmalcolm@redhat.com>

        PR other/84889
        * c-attribs.c (common_handle_aligned_attribute): Add
        auto_diagnostic_group instance.
        * c-indentation.c (warn_for_misleading_indentation): Likewise.
        * c-opts.c (c_common_post_options): Likewise.
        * c-warn.c (warn_logical_not_parentheses): Likewise.
        (warn_duplicated_cond_add_or_warn): Likewise.
        (warn_for_multistatement_macros): Likewise.

2018-08-20  Nathan Sidwell  <nathan@acm.org>

        * c-ada-spec.c (macro_length, dump_ada_macros): Adjust macro parm
        access.

2018-08-17  Nathan Sidwell  <nathan@acm.org>

        * c-cppbuiltin.c (struct lazy_hex_fp_value_struct): Remove macro
        field.
        (laxy_hex_fp_value_count): Make unsigned.
        (lazy_hex_fp_value): Provided with macro & lazy number.  Directly
        manipulate the macro.
        (builtin_defin_with_hex_fp_value): Adjust callback name, use
        cpp_define_lazily.

2018-08-17  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (enum format_type): Add gcc_dump_printf_format_type.
        (gcc_dump_printf_length_specs): New.
        (gcc_dump_printf_flag_pairs): New.
        (gcc_dump_printf_flag_specs): New.
        (gcc_dump_printf_char_table): New.
        (format_types_orig): Add entry for "gcc_dump_printf".
        (init_dynamic_diag_info): Set up length_char_specs and
        conversion_specs for gcc_dump_printf_format_type.
        (handle_format_attribute): Handle gcc_dump_printf_format_type.

2018-08-17  Nathan Sidwell  <nathan@acm.org>

        * c-ada-spec.c (macro_length, dump_ada_macros): Constify.

        * c-ada-spec.c: Don't #include "cpp-id-data.h"
        * c-cppbuiltin.c: Likewise.

2018-08-17  Martin Liska  <mliska@suse.cz>

        * c.opt: Remove Warn, Init and Report for options with
        Ignore/Deprecated flag. Warning is done automatically for
        Deprecated flags.

2018-08-16  David Malcolm  <dmalcolm@redhat.com>

        PR c++/70693
        * c-common.c (selftest::c_family_tests): Call
        selftest::c_indentation_c_tests.
        * c-common.h (selftest::c_indentation_c_tests): New decl.
        * c-indentation.c: Include "selftest.h".
        (next_tab_stop): Add "tab_width" param, rather than accessing
        cpp_opts.
        (get_visual_column): Likewise.  Clarify comment.  Bulletproof
        against reading past the end of the line.
        (get_first_nws_vis_column): Add "tab_width" param.
        (detect_intervening_unindent): Likewise.
        (should_warn_for_misleading_indentation): Read tab width from
        cpp_opts and pass around.
        (selftest::test_next_tab_stop): New test.
        (selftest::assert_get_visual_column_succeeds): New function.
        (ASSERT_GET_VISUAL_COLUMN_SUCCEEDS): New macro.
        (selftest::assert_get_visual_column_fails): New function.
        (ASSERT_GET_VISUAL_COLUMN_FAILS): New macro.
        (selftest::test_get_visual_column): New test.
        (selftest::c_indentation_c_tests): New function.

2018-08-16  Nathan Sidwell  <nathan@acm.org>

        * c-ada-spec.c (count_ada_macro): Use cpp_user_macro_p.
        (store_ada_macro): Likewise.
        * c-ppoutput.c (cb_used_define, dump_macro): Likewise.
        * c-spellcheck.cc (should-suggest_as_macro_p): Likewise,

2018-08-15  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c: Include "selftest-diagnostic.h" and
        "gcc-rich-location.h".
        (format_warning_at_char): Pass NULL for new label params of
        format_warning_va.
        (class indirection_suffix): New class.
        (class range_label_for_format_type_mismatch): New class.
        (format_type_warning): Move logic for generating "*" suffix to
        class indirection_suffix.  Create "fmt_label" and "param_label"
        to show their types, and pass them to the
        format_warning_at_substring calls.
        (selftest::test_type_mismatch_range_labels): New test.
        (selftest::c_format_c_tests): Call it.

2018-08-13  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/71625
        * c-common.c (braced_list_to_string): New function.
        * c-common.h (braced_list_to_string): Declare it.

2018-08-08  Nathan Sidwell  <nathan@acm.org>

        * c-common.c (try_to_locate_new_include_inertion_point): Use
        linemap_included_from_linemap.
        * c-lex.c (fe_file_change): Use linemap_included_from.
        * c-ppoutput.c (pp_file_change): Likewise.

2018-08-01  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/86650
        * c-family/c-format.c (gcc_tdiag_char_table): Update comment for "%G".
        (gcc_cdiag_char_table, gcc_cxxdiag_char_table): Same.
        (init_dynamic_diag_info): Update from "gcall *" to "gimple *".
        * c-format.h (T89_G): Update to be "gimple *" rather than
        "gcall *".
        (local_gcall_ptr_node): Rename...
        (local_gimple_ptr_node): ...to this.

2018-07-31  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (PP_FORMAT_CHAR_TABLE): New macro, based on existing
        table entries for gcc_diag_char_table, and the 'Z' entry from
        gcc_tdiag_char_table, changing the "chain" entry for 'Z' from
        &gcc_tdiag_char_table[0] to &gcc_diag_char_table[0].
        (gcc_diag_char_table): Use PP_FORMAT_CHAR_TABLE, implicitly
        adding missing "Z" for this table.  Remove erroneous "G" and "K"
        entries.
        (gcc_tdiag_char_table): Use PP_FORMAT_CHAR_TABLE.  Remove "v".
        (gcc_cdiag_char_table): Use PP_FORMAT_CHAR_TABLE.
        (gcc_cxxdiag_char_table): Use PP_FORMAT_CHAR_TABLE.  Remove "v".

2018-07-31  Richard Earnshaw  <rearnsha@arm.com>

        * c-common.c (speculation_safe_resolve_call): New function.
        (speculation_safe_resolve_params): New function.
        (speculation_safe_resolve_return): New function.
        (resolve_overloaded_builtin): Handle __builtin_speculation_safe_value.
        * c-cppbuiltin.c (c_cpp_builtins): Add pre-define for
        __HAVE_SPECULATION_SAFE_VALUE.

2018-07-20  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_cpp_error): Remove redundant "line_table"
        parameter from call to rich_location::set_range.
        (maybe_suggest_missing_token_insertion): Likewise.

2018-07-20  Martin Sebor  <msebor@redhat.com>

        PR middle-end/82063
        * gcc/c-family/c.opt (-Warray-bounds): Remove redundant -Wall.

2018-07-20  Martin Sebor  <msebor@redhat.com>

        PR middle-end/82063
        * c-common.h (c_common_handle_option): Change function argument
        to HOST_WIDE_INT.
        * c-opts.c (c_common_init_options): Same.
        (c_common_handle_option): Same.  Remove special handling of
        OPT_Walloca_larger_than_ and OPT_Wvla_larger_than_.
        * c.opt (-Walloc-size-larger-than, -Walloca-larger-than): Change
        options to take a HOST_WIDE_INT argument and accept a byte-size
        suffix.  Initialize.
        (-Wvla-larger-than): Same.
        (-Wno-alloc-size-larger-than, -Wno-alloca-larger-than): New.
        (-Wno-vla-larger-than): Same.

2018-07-12  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (c_common_attribute_table): Add
        "omp declare target implicit" attribute.

2018-07-12  Richard Biener  <rguenther@suse.de>

        PR c/86453
        * c-attribs.c (handle_packed_attribute): Do not build a variant
        type with TYPE_PACKED, instead ignore the attribute if we may
        not apply to the original type.

2018-07-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/86443
        * c-omp.c (c_omp_check_loop_iv_r, c_omp_check_loop_iv): Allow declv
        to contain TREE_LIST for both the original class iterator and the
        "last" helper var.

2018-07-07  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (to_ada_name): Remove index parameter.
        (pp_ada_tree_identifier): Likewise.
        (dump_ada_macros): Adjust call to to_ada_name.
        (struct overloaded_name_hash): Delete.
        (struct overloaded_name_hasher): Likewise.
        (overloaded_names): Likewise.
        (compute_overloading_index): Likewise.
        (dump_ada_decl_name): Do not call compute_overloading_index and
        adjust calls to pp_ada_tree_identifier.
        (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
        (dump_ada_import): Add spc parameter and switch to aspect syntax.
        (dump_ada_function_declaration): Adjust call to pp_ada_tree_identifier.
        (dump_ada_enum_type): Remove type and display_convention parameters.
        Adjust calls to pp_ada_tree_identifier.
        (dump_ada_node): Likewise and for dump_ada_structure.
        (dump_nested_type) <ENUMERAL_TYPE>: Adjust call to dump_ada_enum_type
        and tidy up.
        <RECORD_TYPE>: Adjust call to dump_ada_structure and switch to aspect
        syntax.
        (print_constructor): Adjust call to pp_ada_tree_identifier.
        (print_destructor): Likewise.
        (dump_ada_declaration): Switch to aspect syntax.
        (dump_ada_structure): Likewise and tidy up.  Replace display_convention
        parameter with nested parameter.
        (dump_ads): Emit pragma Ada_2012 in lieu of pragma Ada_2005.
        (dump_ada_specs): Do not delete overloaded_names table.

2018-07-06  Peter Bergner  <bergner@linux.ibm.com>

        PR target/86324
        * c-attribs.c (handle_mode_attribute): Call translate_mode_attribute
        target hook.

2018-07-05  Nathan Sidwell  <nathan@acm.org>

        * c-lex.c (fe_file_change): Check SYSTEM_IMPLICIT_EXTERN_C not
        NO_IMPLICIT_EXTERN_C.

2018-06-28  Martin Liska  <mliska@suse.cz>

        * cppspec.c: Include opt-suggestions.h.

2018-06-20  Chung-Lin Tang <cltang@codesourcery.com>
            Thomas Schwinge <thomas@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        * c-pragma.h (enum pragma_omp_clause): Add
        PRAGMA_OACC_CLAUSE_{FINALIZE,IF_PRESENT}. Remove
        PRAGMA_OACC_CLAUSE_PRESENT_OR_{COPY,COPYIN,COPYOUT,CREATE}.

2018-06-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/86210
        * c-common.c (check_nonnull_arg): Use fold_for_warn.  Adjust obsolete
        comment.

2018-06-18  Martin Sebor  <msebor@redhat.com>

        PR middle-end/85602
        * c-warn.c (sizeof_pointer_memaccess_warning): Check for attribute
        nonstring.

2018-06-16  Kugan Vivekanandarajah  <kuganv@linaro.org>

        * c-common.c (c_common_truthvalue_conversion): Handle ABSU_EXPR.

2018-06-13  Jason Merrill  <jason@redhat.com>

        * c-opts.c (c_common_post_options): Warn about useless -Wabi.
        (c_common_handle_option) [OPT_Wabi_]: Remove flag_abi_compat_version
        handling.

        PR c++/86094 - wrong code with defaulted move ctor.
        * c-opts.c (c_common_post_options): Bump the current ABI version to
        13.  Set warn_abi_version and flag_abi_compat_version to the current
        version rather than 0.  Fix defaulting flag_abi_compat_version from
        warn_abi_version.

2018-06-12  Martin Sebor  <msebor@redhat.com>

        PR c/85931
        * c-warn.c (sizeof_pointer_memaccess_warning): Avoid warning when
        sizeof source and destination yields the same value.

2018-06-12  Martin Liska  <mliska@suse.cz>

        * c.opt: Make MPX-related options as Deprecated.

2018-06-08  David Malcolm  <dmalcolm@redhat.com>

        * c-pretty-print.c (c_pretty_printer::statement): Use TDF_NONE
        rather than 0.

2018-06-08  Martin Liska  <mliska@suse.cz>

        * c-attribs.c (handle_bnd_variable_size_attribute): Remove support
        for MPX (macros, related functions, fields in cgraph_node, ...).
        (handle_bnd_legacy): Likewise.
        (handle_bnd_instrument): Likewise.
        * c.opt: Likewise.

2018-06-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/86068
        * c-cppbuiltin.c (c_cpp_builtins): Fix a typo, set
        __cpp_transactional_memory to 201500 instead of 210500.

2018-06-06  Jason Merrill  <jason@redhat.com>

        PR c++/85710 - ICE with -Wmemset-elt-size.
        * c-warn.c (warn_for_memset): Don't crash on incomplete element type.

2018-06-01  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_deduction_guides to
        201703.

2018-06-01  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_declaration) <TYPE_DECL>: Generate a forward
        declaration for a typedef independently of whether the declaration of
        the subtype is generated.

2018-05-31  Martin Sebor  <msebor@redhat.com>

        PR c/82063
        * c.opt (-Wno-alloc-size-larger-than): New option.

2018-04-22  David Pagan  <dave.pagan@oracle.com>

        PR c/55976
        * c-opts.c (c_common_post_options): Set default for warn_return_type
        for C++/C++ with ObjC extensions only. For C, makes it possible to 
        differentiate between default (no option), -Wreturn-type, and
        -Wno-return-type.

2018-05-29  Jason Merrill  <jason@redhat.com>

        * c.opt (Winit-list-lifetime): New flag.

2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-lex.c (get_fileinfo): Use splay_tree_compare_strings and
        splay_tree_delete_pointers.

2018-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/85921
        * c-warn.c (diagnose_mismatched_attributes): Remove unnecessary
        noinline variable to workaround broken kernel headers.

2018-05-18  Jason Merrill  <jason@redhat.com>

        * c.opt (Wdeprecated-copy): New flag.

2018-05-17  Martin Liska  <mliska@suse.cz>

        * c-warn.c (overflow_warning): Do not use
        space in between 'G_' and '('.

2018-05-09  Jason Merrill  <jason@redhat.com>

        * c-common.c (valid_array_size_p): Add complain parameter.
        * c-common.h: ...which defaults to true.

2018-05-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/85696
        * c-omp.c (c_omp_predetermined_sharing): Return
        OMP_CLAUSE_DEFAULT_SHARED for artificial vars with integral type.

2018-05-11  Martin Liska  <mliska@suse.cz>

        PR sanitizer/85556
        * c-attribs.c (handle_no_sanitize_attribute): Iterate all
        TREE_LIST values.

2018-05-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/85662
        * c-common.h (fold_offsetof_1): Removed.
        (fold_offsetof): Add TYPE argument defaulted to size_type_node and
        CTX argument defaulted to ERROR_MARK.
        * c-common.c (fold_offsetof_1): Renamed to ...
        (fold_offsetof): ... this.  Remove wrapper function.  Add TYPE
        argument, convert the pointer constant to TYPE and use size_binop
        with PLUS_EXPR instead of fold_build_pointer_plus if type is not
        a pointer type.  Adjust recursive calls.

2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>

        PR c++/85400
        * c-attribs.c (handle_visibility_attribute): Do not set no_add_attrs.

2018-05-07  Nathan Sidwell  <nathan@acm.org>

        * c.opt (ffor-scope): Remove functionality, issue warning.

2018-05-03  Nathan Sidwell  <nathan@acm.org>

        * c.opt (ffriend-injection): Remove functionality, issue warning.

2018-05-01  David Malcolm  <dmalcolm@redhat.com>

        PR c/84258
        * c-format.c (struct format_check_results): Add field
        "number_non_char".
        (check_format_info): Initialize it, and warn if encountered.
        (check_format_arg): Distinguish between wide char and
        everything else when detecting arrays of non-char.

2018-04-30  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (get_corrected_substring): Update for
        location_get_source_line returning a char_span.  Use a char_span
        when handling the prefix of the correction.
        * c-indentation.c (get_visual_column): Update for
        location_get_source_line returning a char_span.
        (get_first_nws_vis_column): Likewise.

2018-03-29  David Malcolm  <dmalcolm@redhat.com>

        PR c++/84269
        * known-headers.cc (get_stdlib_header_for_name): Add various names
        from <assert.h>, <string.h>, and <memory.h>; add more names from
        <stdio.h>.

2018-03-27  Jakub Jelinek  <jakub@redhat.com>

        PR c++/85061
        * c-common.c (fold_offsetof_1) <case COMPOUND_EXPR>: Assert that
        get_base_address of the second operand is a VAR_P, rather than the
        operand itself, and use gcc_checking_assert instead of gcc_assert.

2018-03-23  Marek Polacek  <polacek@redhat.com>

        PR c++/85045
        * c-pretty-print.c (c_pretty_printer::multiplicative_expression)
        <case RDIV_EXPR>: Tweak condition.

2018-03-20  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (pp_ada_tree_identifier): Deal specifically with _Bool.

2018-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/84909
        * c-warn.c (conversion_warning): Replace "to to" with "to" in
        diagnostics.

        PR c/84910
        * c-warn.c (diagnose_mismatched_attributes): Remove trailing space from
        diagnostics.

2018-03-16  Richard Biener  <rguenther@suse.de>

        PR c/84873
        * c-gimplify.c (c_gimplify_expr): Revert previous change.  Instead
        unshare the possibly folded expression.

2018-03-15  Richard Biener  <rguenther@suse.de>

        PR c/84873
        * c-gimplify.c (c_gimplify_expr): Do not fold expressions.

2018-03-13  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/84725
        * c-attribs.c (handle_nonstring_attribute): Allow attribute nonstring
        with all three narrow character types, including their qualified forms.

2018-03-12  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/83456
        * gcc/c-family/c-common.c (check_function_restrict): Return bool.
        Restore checking of bounded built-in functions.
        (check_function_arguments): Also return the result
        of warn_for_restrict.
        * gcc/c-family/c-common.c (check_function_restrict): Return bool.
        * gcc/c-family/c-warn.c (warn_for_restrict): Return bool.

2018-03-02  Marek Polacek  <polacek@redhat.com>

        PR c++/84171
        * c-warn.c (warn_for_sign_compare): Bail out if any of the operands
        is erroneous.

2018-03-02  Thomas Schwinge  <thomas@codesourcery.com>

        * c-attribs.c (c_common_attribute_table): Remove "cilk simd
        function".

2018-03-01  Marek Polacek  <polacek@redhat.com>

        PR c++/84639
        * c-attribs.c (common_handle_aligned_attribute): Don't use invalid
        alignment in computation.

2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_node) <NULLPTR_TYPE>: New case.
        <REAL_TYPE>: Deal specifically with _Float128/__float128.

2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_double_name) <ENUMERAL_TYPE>: New case.
        (is_char_array): Take a type instead of a declaration.
        (dump_ada_array_type): Likewise.
        (is_simple_enum): Minor tweak.
        (dump_ada_enum_type): New function extracted from...
        (dump_ada_node) <ENUMERAL_TYPE>: ...here.  Invoke it.
        <INTEGER_TYPE>: Remove unreachable code.
        <RECORD_TYPE>: Likewise.  Minor tweaks.
        (dump_nested_type) <ARRAY_TYPE>: Adjust to above changes.
        <ENUMERAL_TYPE>: New case.
        <RECORD_TYPE>: Factor out common code.
        (dump_ada_declaration) <ARRAY_TYPE>: Adjust to above changes.
        Minor tweaks.  Deal with enumeral types.
        (dump_ada_structure): Minor tweaks.

2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_node) <POINTER_TYPE>: Do not use generic
        address for incomplete structures.
        (dump_forward_type): Do not bail out for incomplete structures.
        (dump_ada_declaration): Do not special-case incomplete structures
        for subtypes.  Dump them as null records for types.

2018-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_import): Use boolean and fix formatting.
        (is_char_array): Fix formatting.
        (dump_template_types): Likewise.
        (dump_generic_ada_node): Rename into...
        (dump_ada_node): ...this.
        <POINTER_TYPE>: Remove superfluous space.  Use generic address for
        incomplete structures and not for empty structures.  Do not use it
        when forward declarations are needed.
        (dump_forward_type): New function.
        (dump_nested_types): Remove FORWARD parameter.  Do not consider
        TREE_VISITED and do not generate a forward declaration.  Only dump
        original nested types for nested declaration.
        (dump_nested_type) <POINTER_TYPE>: Call dump_forward_type.
        <ARRAY_TYPE>: Likewise if the component type is an anonymous pointer.
        <RECORD_TYPE>: Do not consider TREE_VISITED.
        (dump_ada_declaration): Use booleans and fix formatting throughout.
        <TYPE_DECL>: Skip incomplete structures and not empty structures.
        Call dump_forward_type instead of dump_nested_types for a typedef.
        Remove superfluous check and adjust call to dump_nested_types.
        <POINTER_TYPE>: Call dump_forward_type and fall through.
        (dump_ada_struct_decl): Rename into...
        (dump_ada_structure): ...this.  Do not special-case empty structures.

2018-02-27  Martin Sebor  <msebor@redhat.com>

        PR c++/83871
        * c.opt (-Wmissing-attributes): New option.

2018-02-21  Martin Liska  <mliska@suse.cz>

        * c.opt (Wcatch-value=): Add IntegerRange.

2018-02-15  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_deduction_guides.

2018-02-09  Nathan Sidwell  <nathan@acm.org>

        PR c/84293
        * c-common.h (strict_aliasing_warning): Drop OTYPE arg, insert LOC
        arg.
        * c-warn.c (strict_aliasing_warning): Drop OTYPE arg, require LOC
        arg.  Adjust.

2018-02-09  Martin Sebor  <msebor@redhat.com>

        PR lto/84212
        * c.opt (-Wstringop-overflow, -Warray-bounds): Add LTO.
        (-Walloc-size-larger-than, -Wformat-truncation=): Same.
        (-Wmaybe-uninitialized, -Wnonnull, -Wrestrict): Same.
        (-Wstrict-overflow, -Wsuggest-attribute): Same.
        (-Wuninitialized): Same.

2018-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_declaration): Do not generate the 'constant'
        keyword for components.

2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.h (DECL_UNNAMED_BIT_FIELD): New.

2018-02-02  Julia Koval  <julia.koval@intel.com>

        * c-common.h (omp_clause_mask): Move to wide_int_bitmask.h.

2018-01-29  Marek Polacek  <polacek@redhat.com>

        PR c/83966
        * c-format.c (check_function_format): Check current_function_decl.

2018-01-27  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Use ggc_strdup for the fp_suffix
        argument.
        (LAZY_HEX_FP_VALUES_CNT): Define.
        (lazy_hex_fp_values): Allow up to LAZY_HEX_FP_VALUES_CNT lazy hex fp
        values rather than just 12.
        (builtin_define_with_hex_fp_value): Likewise.

2018-01-18  Boris Kolpackov  <boris@codesynthesis.com>

        PR other/70268
        * c.opt (-fmacro-prefix-map): New option.
        * c-opts.c (c_common_handle_option): Handle it.
        * c-lex.c (init_c_lex): Set remap_filename cpp callback.
        * c-ppoutput.c (init_pp_output): Likewise.

2018-01-17  David Malcolm  <dmalcolm@redhat.com>

        PR c++/83814
        * c-common.c (fold_for_warn): Move to c/c-fold.c and cp/expr.c.

2018-01-10  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_number): Add FLOAT_P parameter.
        Skip 'f' and 'F' characters if it is true.
        (store_ada_macro): Minor tweak.
        (dump_ada_macros) <CPP_COMMENT>: Likewise.
        <CPP_WSTRING>: Likewise.
        <CPP_STRING>: Output '&' in the buffer if not the first string.
        <CPP_NUMBER>: Adjust calls to dump_number.

2018-01-10  David Malcolm  <dmalcolm@redhat.com>

        PR c++/43486
        * c-common.c: Include "selftest.h".
        (get_atomic_generic_size): Perform the test for integral type
        before the range test for any integer constant, fixing indentation
        of braces.  Call fold_for_warn before testing for an INTEGER_CST.
        (reject_gcc_builtin): Strip any location wrapper from EXPR.
        (selftest::test_fold_for_warn): New function.
        (selftest::c_common_c_tests): New function.
        (selftest::c_family_tests): Call it, and
        selftest::c_pretty_print_c_tests.
        * c-common.h (selftest::c_pretty_print_c_tests): New decl.
        * c-format.c (check_format_arg): Convert VAR_P check to a
        fold_for_warn.
        * c-pretty-print.c: Include "selftest.h".
        (pp_c_cast_expression): Don't print casts for location wrappers.
        (selftest::assert_c_pretty_printer_output): New function.
        (ASSERT_C_PRETTY_PRINTER_OUTPUT): New macro.
        (selftest::test_location_wrappers): New function.
        (selftest::c_pretty_print_c_tests): New function.
        * c-warn.c (warn_for_memset): Call fold_for_warn on the arguments.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-common.c (c_common_type_for_mode): Handle MODE_VECTOR_BOOL.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-ubsan.c (ubsan_instrument_shift): Treat GET_MODE_BITSIZE
        as polynomial.

2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-common.c (vector_types_convertible_p, c_build_vec_perm_expr)
        (convert_vector_to_array_for_subscript): Handle polynomial
        TYPE_VECTOR_SUBPARTS.
        (c_common_type_for_mode): Check valid_vector_subparts_p.
        * c-pretty-print.c (pp_c_initializer_list): Handle polynomial
        VECTOR_CST_NELTS.

2018-01-03  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2017-12-22  Mike Stump  <mikestump@comcast.net>
            Eric Botcazou  <ebotcazou@adacore.com>

        * c-pragma.c (init_pragma): Register pragma GCC unroll.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_UNROLL.

2017-12-22  Alexandre Oliva <aoliva@redhat.com>

        PR debug/83527
        PR debug/83419
        * c-semantics.c (only_debug_stmts_after_p): New.
        (pop_stmt_list): Clear side effects in debug-only stmt list.
        Check for single nondebug stmt followed by debug stmts only.

2017-12-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/83419
        * c-semantics.c (pop_stmt_list): Propagate side effects from
        single nondebug stmt to container list.

2017-12-19  Jakub Jelinek  <jakub@redhat.com>

        * known-headers.cc (get_stdlib_header_for_name): Replace Yoda
        conditions with typical order conditions.

2017-12-18  Marek Polacek  <polacek@redhat.com>

        * c-warn.c (warn_logical_operator): Return early if -Wlogical-op is
        not in effect.

2017-12-17  Martin Sebor  <msebor@redhat.com>

        * c-attribs.c (common_handle_aligned_attribute): Avoid issuing
        an error for attribute warn_if_not_aligned.

2017-12-16  Martin Sebor  <msebor@redhat.com>

        PR tree-optimization/78918
        * c-common.c (check_function_restrict): Avoid checking built-ins.
        * c.opt (-Wrestrict): Include in -Wall.

2017-12-15  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (c_common_attribute_table,
        c_common_format_attribute_table): Swap affects_type_identity
        and handler fields, adjust comments.

2017-12-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c.opt (Wcast-function-type): New warning option.
        * c-lex.c (get_fileinfo): Avoid warning.
        * c-ppoutput.c (scan_translation_unit_directives_only): Remove cast.

2017-12-14  Qing Zhao  <qing.zhao@oracle.com>

        PR middle_end/79538
        * c-cppbuiltin.c (builtin_define_with_hex_fp_value):
        Adjust the size of buf1 and buf2, add a new buf to avoid
        format-overflow warning.

2017-12-12  Alexandre Oliva <aoliva@redhat.com>

        * c-semantics.c (pop_stmt_list): Move begin stmt marker into
        subsequent statement list.

2017-12-07  Martin Sebor  <msebor@redhat.com>

        PR c/81544
        PR c/81566
        * c-attribs.c (attr_aligned_exclusions): New array.
        (attr_alloc_exclusions, attr_cold_hot_exclusions): Same.
        (attr_common_exclusions, attr_const_pure_exclusions): Same.
        (attr_gnu_inline_exclusions, attr_inline_exclusions): Same.
        (attr_noreturn_exclusions, attr_returns_twice_exclusions): Same.
        (attr_warn_unused_result_exclusions): Same.
        (handle_hot_attribute, handle_cold_attribute): Simplify.
        (handle_const_attribute): Warn on function returning void.
        (handle_pure_attribute): Same.
        (handle_aligned_attribute): Diagnose conflicting attribute
        specifications.
        * c-warn.c (diagnose_mismatched_attributes): Simplify.

2017-12-06  David Malcolm  <dmalcolm@redhat.com>

        PR c/83236
        * c-common.c (selftest::c_family_tests): Call
        selftest::c_spellcheck_cc_tests.
        * c-common.h (selftest::c_spellcheck_cc_tests): New decl.
        * c-spellcheck.cc: Include "selftest.h".
        (name_reserved_for_implementation_p): New function.
        (should_suggest_as_macro_p): New function.
        (find_closest_macro_cpp_cb): Move the check for NT_MACRO to
        should_suggest_as_macro_p and call it.
        (selftest::test_name_reserved_for_implementation_p): New function.
        (selftest::c_spellcheck_cc_tests): New function.
        * c-spellcheck.h (name_reserved_for_implementation_p): New decl.

2017-12-06  David Malcolm  <dmalcolm@redhat.com>

        * c-spellcheck.cc: New file, taken from macro-handling code in
        spellcheck-tree.c.
        * c-spellcheck.h: New file, taken from macro-handling code in
        spellcheck-tree.h.

2017-12-01  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (c_common_attribute_table): Remove "cilk simd function"
        attribute.
        (handle_simd_attribute): Don't check for "cilk simd function"
        attribute.  Reindent, formatting changes.

2017-11-30  Julia Koval  <julia.koval@intel.com>

        * c-common.h (inv_list): Remove.

2017-11-28  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/81275
        * c-common.c (c_switch_covers_all_cases_p_1,
        c_switch_covers_all_cases_p): New functions.
        * c-common.h (c_switch_covers_all_cases_p): Declare.

2017-11-28  Julia Koval  <julia.koval@intel.com>
            Sebastian Peryt  <sebastian.peryt@intel.com>

        * array-notation-common.c: Delete.
        * c-cilkplus.c: Ditto.
        * c-common.c (_Cilk_spawn, _Cilk_sync, _Cilk_for): Remove.
        * c-common.def (ARRAY_NOTATION_REF): Remove.
        * c-common.h (RID_CILK_SPAWN, build_array_notation_expr,
        build_array_notation_ref, C_ORT_CILK, c_check_cilk_loop,
        c_validate_cilk_plus_loop, cilkplus_an_parts,
        cilk_ignorable_spawn_rhs_op,
        cilk_recognize_spawn): Remove.
        * c-gimplify.c (CILK_SPAWN_STMT): Remove.
        * c-omp.c: Remove CILK_SIMD check.
        * c-pragma.c: Ditto.
        * c-pragma.h: Remove CILK related pragmas.
        * c-pretty-print.c (c_pretty_printer::postfix_expression): Remove
        ARRAY_NOTATION_REF condition.
        (c_pretty_printer::expression): Ditto.
        * c.opt (fcilkplus): Remove.
        * cilk.c: Delete.

2017-11-21  Marc Glisse  <marc.glisse@inria.fr>

        * c-pretty-print.c (pp_c_additive_expression,
        c_pretty_printer::expression): Handle POINTER_DIFF_EXPR.

2017-11-21  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (get_nonnull_operand): Use tree_to_uhwi.

        PR c++/83059
        * c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW
        instead of tree_to_uhwi, formatting fix.

2017-11-20  David Malcolm  <dmalcolm@redhat.com>

        PR c/81404
        * known-headers.cc: New file, based on material from c/c-decl.c.
        (suggest_missing_header): Copied as-is.
        (get_stdlib_header_for_name): New, based on get_c_name_hint but
        heavily edited to add C++ support.  Add some knowledge about
        <limits.h>, <stdint.h>, and <wchar.h>.
        * known-headers.h: Likewise.

2017-11-20  David Malcolm  <dmalcolm@redhat.com>

        * c-common.h (enum lookup_name_fuzzy_kind): Move to name-hint.h.
        (lookup_name_fuzzy): Likewise.  Convert return type from
        const char * to name_hint.  Add location_t param.
        * name-hint.h: New header.

2017-11-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/66618
        PR c/69960
        * c-common.h (c_fully_fold): Add LVAL argument defaulted to false.

2017-11-16  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (-std=c17, std=gnu17, -std=iso9899:2017): Refer to 2018
        expected publication date of C17.
        (-std=c18, -std=gnu18, -std=iso9899:2018): New option aliases.

2017-11-15  Joseph Myers  <joseph@codesourcery.com>

        PR c/81156
        * c-common.c (c_common_reswords): Add __builtin_tgmath.
        * c-common.h (enum rid): Add RID_BUILTIN_TGMATH.

2017-11-10  Martin Sebor  <msebor@redhat.com>

        PR c/81117
        * c-common.c (catenate_strings): Use memcpy instead of strncpy.
        * c-warn.c (sizeof_pointer_memaccess_warning): Handle arrays.
        * c.opt (-Wstringop-truncation): New option.

2017-11-06  Martin Liska  <mliska@suse.cz>

        PR middle-end/82404
        * c-opts.c (c_common_post_options): Set -Wreturn-type for C++
        FE.
        * c.opt: Set default value of warn_return_type.

2017-10-31  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (binary_op_error): Update for renaming of
        error_at_rich_loc.
        (c_parse_error): Likewise.
        * c-warn.c (warn_logical_not_parentheses): Likewise for
        renaming of inform_at_rich_loc.
        (warn_for_restrict): Likewise for renaming of
        warning_at_rich_loc_n.

2017-10-30  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (std=c17, std=gnu17, std=iso9899:2017): New options.
        * c-opts.c (set_std_c17): New function.
        (c_common_init_options): Use gnu17 as default C version.
        (c_common_handle_option): Handle -std=c17 and -std=gnu17.

2017-10-27  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * c-cppbuiltin.c (mode_has_fma): Add support for PowerPC KFmode.
        (c_cpp_builtins): If a machine has a fast fma _Float<N> and
        _Float<N>X variant, define __FP_FAST_FMA<N> and/or
        __FP_FAST_FMA<N>X.

2017-10-23  Marek Polacek  <polacek@redhat.com>

        PR c/82681
        * c-warn.c (warnings_for_convert_and_check): Fix typos.

2017-10-19  Eric Botcazou  <ebotcazou@adacore.com>

        * c-common.c (check_builtin_function_arguments): Also check arguments
        of __builtin_alloca_with_align_and_max.

2017-10-17  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (format_warning_at_char): Pass UNKNOWN_LOCATION
        rather than NULL to format_warning_va.
        (check_format_types): Likewise when calling format_type_warning.
        Remove code to extract source_ranges and source_range * in favor
        of just a location_t.
        (format_type_warning): Convert source_range * param to a
        location_t.

2017-10-13  Jakub Jelinek  <jakub@redhat.com>

        * c-gimplify.c (c_gimplify_expr): Handle [LR]ROTATE_EXPR like
        [LR]SHIFT_EXPR.

2017-10-12  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (enum missing_token_insertion_kind): New enum.
        (get_missing_token_insertion_kind): New function.
        (maybe_suggest_missing_token_insertion): New function.
        * c-common.h (maybe_suggest_missing_token_insertion): New decl.

2017-10-11  Nathan Sidwell  <nathan@acm.org>

        * c-opts.c (add_prefixed_path): Change chain to incpath_kind.
        (c_common_handle_option): Update incpath_kind names.

2017-10-11  Martin Liska  <mliska@suse.cz>

        PR sanitizer/82490
        * c-attribs.c (handle_no_sanitize_attribute): Report directly
        Wattributes warning.

2017-10-10  Richard Sandiford  <richard.sandiford@linaro.org>

        * c-ada-spec.c (dump_generic_ada_node): Use wi::to_wide when
        operating on trees as wide_ints.
        * c-common.c (pointer_int_sum): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.
        * c-warn.c (match_case_to_enum_1): Likewise.
        (c_do_switch_warnings): Likewise.
        (maybe_warn_shift_overflow): Likewise.

2017-10-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/82437
        * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_wide
        instead of wide_int::from.

2017-10-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/82437
        * c-warn.c (warn_tautological_bitwise_comparison): Instead of
        using to_widest use wide_int with the larger of the two precisions.

2017-10-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-pretty-print.c (pp_c_parameter_type_list): Print ... for variadic
        functions.

2017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>

        * c-warn.c (warn_tautological_bitwise_comparison): Use wi::to_widest
        when combining the original unconverted comparison operands.

2017-09-29  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (handle_noipa_attribute): Don't add "stack_protect"
        attribute.

2017-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (to_ada_name): Add index parameter.
        (pp_ada_tree_identifier): Likewise.
        (dump_ada_macros): Adjust call to to_ada_name.
        (struct overloaded_name_hash): New type.
        (struct overloaded_name_hasher): Likewise.
        (overloaded_names): New hash table.
        (compute_overloading_index): New function.
        (dump_ada_decl_name): Call it and pass the result to
        pp_ada_tree_identifier.
        (dump_ada_double_name): Adjust calls to pp_ada_tree_identifier.
        (dump_ada_function_declaration): Likewise.
        (dump_generic_ada_node): Likewise.
        (print_constructor): Likewise.
        (print_destructor): Likewise.
        (dump_ada_specs): Delete overloaded_names table.

2017-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (max_ada_macros): Move around.
        (store_ada_macro_index): Likewise.
        (source_file): Rename into...
        (macro_source_file): ...this.
        (count_ada_macro): Move around.
        (store_ada_macro): Likewise.
        (compare_macro): Likewise.
        (print_ada_macros): Merge in...
        (dump_ada_macros): ...this.
        (source_file_base): Rename into...
        (current_source_file): ...this.
        (print_comment): Move around.
        (dump_ada_nodes): Call dump_ada_declaration directly.
        (struct with): Change type of limited field to bool.
        (append_withs): Change type of limited_access parameter to bool.
        (pp_ada_tree_identifie): Likewise.
        (dump_ada_decl_nam): Likewise.
        (dump_generic_ada_node): Likewise.  Do not print the return type.
        (to_ada_name): Change type of space_found parameter to bool.
        (dump_ada_function_declaration): Return void and change type of
        parameters to bool.  Also print the return type for a function.
        (print_ada_methods): Rename into...
        (dump_ada_methods): ...this.
        (print_ada_declaration): Rename into ...
        (dump_ada_declaration): ...this.  Do not print the return type.
        (print_ada_struct_decl): Rename into...
        (dump_ada_struct_decl): ...this.

2017-09-29  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (handle_packed_attribute): Test DECL_C_BIT_FIELD
        rather than DECL_INITIAL.
        (common_handle_aligned_attribute): Likewise.

2017-09-20  Alexandre Oliva <aoliva@redhat.com>

        * c.opt (gen-decls): Add RejectNegative.

2017-09-15  Andrew Sutton  <andrew.n.sutton@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        Add support for -std=c++2a.
        * c-common.h (cxx_dialect): Add cxx2a as a dialect.
        * opt.c: Add options for -std=c++2a and -std=gnu++2a.
        * c-opts.c (set_std_cxx2a): New.
        (c_common_handle_option): Set options when -std=c++2a is enabled.
        (c_common_post_options): Adjust comments.
        (set_std_cxx14, set_std_cxx17): Likewise.

2017-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * c-pragma.c (handle_pragma_scalar_storage_order): Expand on error
        message for non-uniform endianness and issue a warning in C++.

2017-09-15  Jakub Jelinek  <jakub@redhat.com>

        * c.opt (Wc++1z-compat): Change from option to undocumented alias.
        (Wc++17-compat): Change from undocumented alias to option.
        (Wnoexcept-type): Enable by Wc++17-compat instead of Wc++1z-compat,
        change C++1z to C++17 in description.
        (std=c++1z, std=gnu++1z): Change from option to undocumented
        deprecated alias.
        (std=c++17, std=gnu++17): Change from undocumented alias to option.
        Adjust description.
        * c-common.h (enum cxx_dialect): Rename cxx1z to cxx17.
        * c-opts.c (set_std_cxx1z): Rename to ...
        (set_std_cxx17): ... this.
        (c_common_handle_option): Rename OPT_std_c__1z to OPT_std_c__17
        and OPT_std_gnu__1z to OPT_std_gnu__17.  Adjust set_std_cxx1z
        caller.
        (c_common_post_options): Use cxx17 instead of cxx1z.  Adjust
        comments.

2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>

        * c-attribs.c (common_handle_aligned_attribute): Don't warn
        function alignment if warn_if_not_aligned_p is true.

2017-09-12  Nathan Sidwell  <nathan@acm.org>

        * c-common.c (field_decl_cmp, resort_data, resort_field_decl_cmp,
        resort_sorted_fields): Move to c/c-decl.c.
        * c-common.h (field_decl_cmp, resort_sorted_fields): Delete.
        (struct sorted_fields_type): Move to c/c-lang.h.

2017-09-09  Jonathan Wakely  <jwakely@redhat.com>

        PR c++/81852
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_threadsafe_static_init.

2017-09-04  Marek Polacek  <polacek@redhat.com>

        PR c/81783
        * c-warn.c (warn_tautological_bitwise_comparison): New function.
        (warn_tautological_cmp): Call it.

2017-09-01  Boris Kolpackov <boris@codesynthesis.com>

        * c-opts.c (c_common_finish): Write dependency information even if
        there are errors.

2017-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/81887
        * c-pragma.c (omp_pragmas): Move "ordered" entry from here to ...
        (omp_pragmas_simd): ... here.
        * c-omp.c (c_finish_omp_ordered): If clauses isn't simd clause alone,
        create new clauses list containing just simd clause.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-attribs.c (vector_mode_valid_p) Fold GET_MODE_INNER call
        into scalar_mode_supported_p call.
        (handle_mode_attribute): Update call to scalar_mode_supported_p.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-common.c (c_common_fixed_point_type_for_size): Use opt_scalar_mode
        for the mode iterator.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-lex.c (interpret_fixed): Use SCALAR_TYPE_MODE.
        * c-common.c (c_build_vec_perm_expr): Likewise.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-common.c (c_common_type_for_mode): Use as_a <scalar_int_mode>.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-attribs.c (handle_mode_attribute): Check for a scalar_int_mode
        before calling targetm.addr_space.valid_pointer_mode.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-cppbuiltin.c (c_cpp_builtins): Use opt_scalar_float_mode.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-common.c (c_common_fixed_point_type_for_size): Use new mode
        iterators.
        * c-cppbuiltin.c (c_cpp_builtins): Likewise.

2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
            Alan Hayward  <alan.hayward@arm.com>
            David Sherwood  <david.sherwood@arm.com>

        * c-cppbuiltin.c (mode_has_fma): Prefix mode names with E_ in
        case statements.

2017-08-29  Martin Liska  <mliska@suse.cz>

        PR other/39851
        * c-common.c (parse_optimize_options): Add argument to function
        call.
        * c-pragma.c (handle_pragma_diagnostic): Likewise.

2017-08-24  David Malcolm  <dmalcolm@redhat.com>

        * c-lex.c (interpret_float): Use token location
        when building an EXCESS_PRECISION_EXPR.

2017-08-21  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (check_function_arguments): Add "arglogs" param; pass
        it to check_function_format.
        * c-common.h (check_function_arguments): Add vec<location_t> *
        param.
        (check_function_format): Likewise.
        * c-format.c (struct format_check_context): Add field "arglocs".
        (check_function_format): Add param "arglocs"; pass it to
        check_format_info.
        (check_format_info):  Add param "arglocs"; use it to initialize
        new field of format_ctx.
        (check_format_arg): Pass format_ctx->arglocs to new param of
        check_format_info_main.
        (class argument_parser): New field "arglocs".
        (argument_parser::argument_parser): Add "arglocs_" param and use
        it to initialize new field.
        (argument_parser::check_argument_type): Pass new arglocs field to
        check_format_types.
        (check_format_info_main): Add param "arglocs", and use it when
        constructing arg_parser.
        (check_format_types): Add param "arglocs"; use it if non-NULL when
        !EXPR_HAS_LOCATION (cur_param) to get at location information.

2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/53037
        * c-attribs.c (handle_warn_if_not_aligned_attribute): New.
        (c_common_attribute_table): Add warn_if_not_aligned.
        (handle_aligned_attribute): Renamed to ...
        (common_handle_aligned_attribute): Remove argument, name, and add
        argument, warn_if_not_aligned.  Handle warn_if_not_aligned.
        (handle_aligned_attribute): New.
        * c.opt: Add -Wif-not-aligned and -Wpacked-not-aligned.

2017-08-14  Martin Sebor  <msebor@redhat.com>

        PR c/81117
        * c-attribs.c (c_common_attribute_table): Add nonstring entry.
        (handle_nonstring_attribute): New function.

2017-08-14  Martin Sebor  <msebor@redhat.com>

        PR c/81117
        * c-format.h (T89_G): New macro.
        * c-format.c (local_gcall_ptr_node): New variable.
        (init_dynamic_diag_info): Initialize it.

2017-08-11  Martin Liska  <mliska@suse.cz>

        * c-opts.c (c_common_post_options): Replace ASM_OUTPUT_DEF with
        TARGET_SUPPORTS_ALIASES.

2017-08-10  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_parse_error): Add rich_location * param, using it
        rather implicitly using input_location.
        * c-common.h (c_parse_error): Add rich_location * param.

2017-08-09  Marek Polacek  <polacek@redhat.com>

        * c-common.c (pointer_int_sum): Use true/false instead of 1/0.
        (c_common_truthvalue_conversion): Likewise.
        * c-omp.c (c_finish_omp_atomic): Likewise.
        * c-common.h (build_binary_op): Update declaration.

2017-08-08  Martin Liska  <mliska@suse.cz>

        * c-ada-spec.c: Include header files.
        * c-ubsan.c: Likewise.
        * c-warn.c: Likewise.

2017-08-07  Jakub Jelinek  <jakub@redhat.com>

        PR c/69389
        * c-omp.c (c_finish_omp_atomic): Handle atomics on bitfields.

2017-08-07  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (has_nontrivial_methods): Test for FUNCTION_DECL.
        (print_ada_methods): Likewise.
        (print_ada_declaration): Likewise.

2017-08-07  Martin Liska  <mliska@suse.cz>

        * array-notation-common.c: Add new includes.
        * c-format.c( handle_format_attribute): Canonicalize a format
        function name.
        * c-lex.c (c_common_has_attribute): Canonicalize name of an
        attribute.
        * c-pretty-print.c: Add new include.

2017-08-05  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (has_static_fields): Look only into variables.
        (print_constructor): Add TYPE parameter and use it for the name.
        (print_destructor): Likewise.
        (print_ada_declaration): Adjust to new constructor/destructor names.
        Adjust calls to print_constructor and print_destructor.
        (print_ada_struct_decl): Do not test TREE_STATIC on FIELD_DECL.
        Look only into variables in the final loop.

2017-08-01  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (has_static_fields): Look only into fields.
        (dump_generic_ada_node): Small tweak.
        (dump_nested_types): Look only into fields.
        (print_ada_declaration): Look only into methods.  Small tweak.
        (print_ada_struct_decl): Look only into fields.  Use DECL_VIRTUAL_P.

2017-08-01  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (print_generic_ada_decl): Pass correctly-typed constant.
        (dump_ada_function_declaration): Likewise.
        (dump_generic_ada_node): Likewise.
        (print_ada_declaration): Add support for const-qualified variables.

2017-07-31  Martin Liska  <mliska@suse.cz>

        PR sanitize/81530
        * c-ubsan.c (ubsan_maybe_instrument_array_ref):
        Guard condition with flag_sanitize_p also with current_function_decl
        non-null equality.
        (ubsan_maybe_instrument_reference_or_call): Likewise.

2017-07-30  Uros Bizjak  <ubizjak@gmail.com>

        * c-format.c (asm_fprintf_char_table): Add 'z' to format_chars.

2017-07-29  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_generic_ada_node): Take into account signedness
        for enumeral types.
        (print_ada_declaration): Add missing guard for record types.

2017-07-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/45784
        * c-omp.c (c_finish_omp_for): If the condition is wrapped in
        rhs of COMPOUND_EXPR(s), skip them and readd their lhs into
        new COMPOUND_EXPRs around the rhs of the comparison.

2017-07-27  Marek Polacek  <polacek@redhat.com>

        PR c/81417
        * c-warn.c (warn_for_sign_compare): Tweak the warning message.  Print
        the types.

2017-07-27  Jakub Jelinek  <jakub@redhat.com>

        * c-attribs.c (c_common_attribute_table): Add noipa attribute.
        (handle_noipa_attribute): New function.

2017-07-07  Torsten Duwe  <duwe@suse.de>

        * c-attribs.c (c_common_attribute_table): Add entry for
        "patchable_function_entry".

2017-07-20  Nathan Sidwell  <nathan@acm.org>

        Remove TYPE_METHODS.
        * c-ada-spec.c (is_tagged_type, has_nontrivial_methods,
        dump_ada_template, print_ada_methods,
        print_ada_declaration): Member fns are on TYPE_FIELDS.

2017-07-18  Nathan Sidwell  <nathan@acm.org>

        * c-warn.c (warn_for_memset): Use TYPE_{MIN,MAX}_VALUE.

2017-07-14  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (try_to_locate_new_include_insertion_point): New
        function.
        (per_file_includes_t): New typedef.
        (added_includes_t): New typedef.
        (added_includes): New variable.
        (maybe_add_include_fixit): New function.
        * c-common.h (maybe_add_include_fixit): New decl.

2017-07-10  Martin Sebor  <msebor@redhat.com>

        PR other/81345
        * c.opt (-Wstringop-overflow): Set defaults in LangEnabledBy.

2017-07-06  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (selftest::c_family_tests): New.
        * c-common.h (selftest::run_c_tests): Move decl to c/c-lang.h.
        (selftest::c_family_tests): New decl.

2017-07-04  Marek Polacek  <polacek@redhat.com>

        PR c/81231
        * c-common.c (sync_resolve_size): Give error for pointers to incomplete
        types.

2017-07-04  Marek Polacek  <polacek@redhat.com>

        * c-warn.c (warn_if_unused_value): Remove WITH_CLEANUP_EXPR handling.

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR ipa/81128
        * c-attribs.c (handle_alias_ifunc_attribute): Append ifunc alias
        to a function declaration.

2017-06-28  Martin Liska  <mliska@suse.cz>

        PR driver/79659
        * c.opt: Add IntegerRange to various options.

2017-06-26  Marek Polacek  <polacek@redhat.com>

        PR c/80116
        * c-common.h (warn_for_multistatement_macros): Declare.
        * c-warn.c: Include "c-family/c-indentation.h".
        (warn_for_multistatement_macros): New function.
        * c.opt (Wmultistatement-macros): New option.
        * c-indentation.c (guard_tinfo_to_string): No longer static.
        Change the parameter type to "enum rid".  Handle RID_SWITCH.
        * c-indentation.h (guard_tinfo_to_string): Declare.

2017-06-23  Marc Glisse  <marc.glisse@inria.fr>

        * c-common.c (c_common_nodes_and_builtins): Use builtin_structptr_types.

2017-06-15  Martin Sebor  <msebor@redhat.com>

        PR c++/80560
        * c.opt (-Wclass-memaccess): New option.

2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>

        * c-opts.c (c_common_finish): Handle '-' special value to -MF.

2017-06-13  Marek Polacek  <polacek@redhat.com>

        PR objc/80949
        * c-warn.c (do_warn_duplicated_branches): Return if any of the
        branches is null.

2017-06-13  Martin Liska  <mliska@suse.cz>

        PR sanitize/78204
        * c-attribs.c (add_no_sanitize_value): New function.
        (handle_no_sanitize_attribute): Likewise.
        (handle_no_sanitize_address_attribute): Use the function.
        (handle_no_sanitize_thread_attribute): New function.
        (handle_no_address_safety_analysis_attribute): Use
        add_no_sanitize_value.
        (handle_no_sanitize_undefined_attribute): Likewise.
        * c-common.h: Declare new functions.
        * c-ubsan.c (ubsan_instrument_division): Use sanitize_flags_p.
        (ubsan_instrument_shift): Likewise.
        (ubsan_instrument_bounds): Likewise.
        (ubsan_maybe_instrument_array_ref): Likewise.
        (ubsan_maybe_instrument_reference_or_call): Likewise.

2017-06-11  Jason Merrill  <jason@redhat.com>

        * c-ada-spec.c, c-pragma.c: Use id_equal.

2017-06-04  Marek Polacek  <polacek@redhat.com>

        PR c/80919
        * c-format.c (matching_type_p): Return false if any of the types
        requires structural equality.

2017-06-02  Martin Sebor  <msebor@redhat.com>

        PR c/80892
        * c-warn.c (conversion_warning): Use -Wconversion for integer
        conversion and -Wfloat-conversion for floating one.

2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c.opt (Wsizeof-pointer-div): New warning option.

2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>

        * c.opt (Wcatch-value): New shortcut for Wcatch-value=1.
        (Wcatch-value=1): Enable by -Wall.

2017-05-30  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (gcc_cxxdiag_char_table): Add 'H' and 'I' to
        format_chars.
        * c.opt (fdiagnostics-show-template-tree): New option.
        (felide-type): New option.

2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>

        * c.opt (Wcatch-value=): New C++ warning flag.

2017-05-24  Nathan Sidwell  <nathan@acm.org>

        * c=common.c (field_decl_cmp, resort_field_decl_cmp): Adjust T
        const casts to avoid warning.

2017-05-24  Martin Sebor  <msebor@redhat.com>

        PR c/80731
        * c-common.h (unsafe_conversion_p): Add a function argument.
        * c-common.c (unsafe_conversion_p): Same.
        Add type names and values to diagnostics.
        (scalar_to_vector): Adjust.
        * c-warn.c (constant_expression_error): Add a function argument.
        Add type names and values to diagnostics.
        (conversion_warning): Add a function argument.
        Add type names and values to diagnostics.
        (warnings_for_convert_and_check): Same.

2017-05-19  Jason Merrill  <jason@redhat.com>

        * c-warn.c (match_case_to_enum_1): Don't warn about enums with no
        enumerators.

2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-format.c (locus): Move out of function scope,
        add GTY attribute.

2017-05-19  Nathan Sidwell  <nathan@acm.org>

        * c-opts.c (class_dump_file, class_dump_flags): Delete.
        (c_common_parse_file): Remove class dump handling.
        (get_dump_info): Likewise.

2017-05-19  Richard Biener  <rguenther@suse.de>

        PR c++/80593
        * c-warn.c (strict_aliasing_warning): Do not warn for accesses
        to alias-set zero memory.

2017-05-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-format.c (local_tree_type_node): Add GTY attribute.

2017-05-18  Marek Polacek  <polacek@redhat.com>

        * c-common.c (c_common_type_for_size): Use NULL_TREE instead of 0.
        (c_common_fixed_point_type_for_size): Likewise.
        (c_common_type_for_mode): Likewise.
        (shorten_compare): Likewise.
        (c_promoting_integer_type_p): Use false/true instead of 0/1.
        * c-pragma.c (maybe_apply_renaming_pragma): Use NULL_TREE instead of 0.

2017-05-18  Marek Polacek  <polacek@redhat.com>

        * c-common.c (self_promoting_args_p): Change the return type to bool.
        Use false/true instead of 0/1.
        * c-common.h (self_promoting_args_p): Update.

2017-05-17  Marek Polacek  <polacek@redhat.com>

        * c-common.c: Use NULL_TREE instead of 0 where appropriate.
        * c-warn.c: Likewise.

2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Implement new C++ intrinsics __is_assignable and __is_constructible.
        * c-common.c (__is_assignable, __is_constructible): New.
        * c-common.h (RID_IS_ASSIGNABLE, RID_IS_CONSTRUCTIBLE): Likewise.

2017-05-17  Martin Liska  <mliska@suse.cz>

        * c-common.h: Introduce dump_flags_t type and
        use it instead of int type.
        * c-gimplify.c (c_genericize): Likewise.
        * c-opts.c: Likewise.

2017-05-17  Marek Polacek  <polacek@redhat.com>

        * c-common.c (c_save_expr): Remove.
        (c_common_truthvalue_conversion): Remove a call to c_save_expr.
        * c-common.h (c_save_expr): Remove declaration.

2017-05-09  Volker Reichelt  <v.reichelt@netcologne.de>

        PR c/35441
        * c-pretty-print.c (c_pretty_printer::expression): Handle MAX_EXPR,
        MIN_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, LROTATE_EXPR, RROTATE_EXPR.
        (c_pretty_printer::postfix_expression): Handle MAX_EXPR, MIN_EXPR.
        (c_pretty_printer::multiplicative_expression): Handle EXACT_DIV_EXPR,
        RDIV_EXPR.
        (pp_c_shift_expression): Handle LROTATE_EXPR, RROTATE_EXPR.

2017-05-09  Marek Polacek  <polacek@redhat.com>

        PR c/80525
        * c-warn.c (unwrap_c_maybe_const): New.
        (warn_logical_operator): Call it.

2017-05-09  Nathan Sidwell  <nathan@acm.org>

        * c-common.c (c_register_builtin_type): Use pushdecl lang_hook.
        * c-common.h (pushdecl_top_level, pushdecl): Don't declare here.

2017-05-08  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * c-format.h (struct format_flag_spec): Add new member.
        (T89_T): New macro.
        * c-format.c (local_tree_type_node): New global.
        (printf_flag_specs, asm_fprintf_flag_spec): Initialize new data.
        (gcc_diag_flag_specs, scanf_flag_specs, strftime_flag_specs): Ditto.
        (strfmon_flag_specs): Likewise.
        (gcc_diag_char_table, gcc_cdiag_char_table): Split up specifiers
        with distinct quoting properties.
        (gcc_tdiag_char_table, gcc_cxxdiag_char_table): Same.
        (flag_chars_t::validate): Add argument and handle bad quoting.
        (check_format_info_main): Handle quoting problems.
        (init_dynamic_diag_info): Simplify.

2017-05-08  Jason Merrill  <jason@redhat.com>

        * c-opts.c (c_common_post_options): Update defaults for
        flag_abi_version and flag_abi_compat_version.

2017-05-05  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_cpp_error): Replace report_diagnostic
        with diagnostic_report_diagnostic.

2017-05-04  Martin Sebor  <msebor@redhat.com>

        PR translation/80280
        * c-attribs.c (handle_alias_ifunc_attribute): Quote a %D directive.
        (handle_weakref_attribute): Same.

2017-05-03  Nathan Sidwell  <nathan@acm.org>

        Canonicalize canonical type hashing
        * c-common.c (complete_array_type): Use type_hash_canon.

2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>

        PR c++/80038
        * c-common.h (cilk_gimplify_call_params_in_spawned_fn): Remove
        prototype.
        (cilk_install_body_pedigree_operations): Likewise.
        * cilk.c (cilk_set_spawn_marker): Mark functions that should be
        detatched.
        (cilk_gimplify_call_params_in_spawned_fn): Remove.
        (cilk_install_body_pedigree_operations): Likewise.
        (gimplify_cilk_spawn): Add EXPR_STMT and CLEANUP_POINT_EXPR
        unwrapping.

2017-04-27  Jakub Jelinek  <jakub@redhat.com>

        PR c++/80534
        * c-common.c (complete_array_type): Only hash TYPE_TYPELESS_STORAGE
        flag on non-aggregate element types.

2017-04-25  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_type_hasher, type_hash_table): Remove.
        (c_common_get_alias_set): Remove unreachable code.
        * c-opts.c (c_common_post_options): Make sure cc1 takes only one file.

2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>

        * c.opt (Wextra-semi): New C++ warning flag.

2017-04-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80423
        * c-common.c (complete_array_type): Preserve TYPE_TYPELESS_STORAGE.

2017-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/79788
        PR middle-end/80375
        * c-common.c (c_common_type_for_mode): Don't handle
        widest_*_literal_type_node here.
        c_common_signed_or_unsigned_type): Likewise.
        (c_common_nodes_and_builtins): Set widest_*_literal_type_node
        to *intTI_type_node or *intDI_type_node depending on whether
        TImode is supported by the target or not.

2017-04-10  Martin Liska  <mliska@suse.cz>

        PR sanitizer/80350
        * c-ubsan.c (ubsan_instrument_shift): Evaluate RHS before
        doing an UBSAN check.

2017-04-03  Jonathan Wakely  <jwakely@redhat.com>

        * c-warn.c (do_warn_double_promotion): Fix typo in comment.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR c++/79572
        * c-ubsan.h (ubsan_maybe_instrument_reference): Change argument to
        tree *.
        * c-ubsan.c (ubsan_maybe_instrument_reference): Likewise.  Handle
        not just NOP_EXPR to REFERENCE_TYPE, but also INTEGER_CST with
        REFERENCE_TYPE.

2017-03-31  David Malcolm  <dmalcolm@redhat.com>

        PR documentation/78732
        * c.opt (Wendif-labels): Fix description to refer to
        #else rather than #elif.

2017-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR libstdc++/80251
        * c-common.h (enum rid): Add RID_IS_AGGREGATE.
        * c-common.c (c_common_reswords): Add __is_aggregate trait.

2017-03-27  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/80162
        * c-common.c (c_common_mark_addressable_vec): Don't set
        TREE_ADDRESSABLE on DECL_HARD_REGISTER.

2017-03-21  Martin Sebor  <msebor@redhat.com>

        PR c++/79548
        * c-common.c (set_underlying_type): Mark type used only when
        original del is declared unused.

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR translation/79848
        * c-format.c (check_format_string): Simplify uses of "%<%s%>" to
        "%qs".

2017-03-10  David Malcolm  <dmalcolm@redhat.com>

        PR c/79921
        * c-indentation.c (warn_for_misleading_indentation): Remove parens
        from inform's message, so that xgettext can locate it.

2017-03-09  Marek Polacek  <polacek@redhat.com>

        PR c++/79962
        PR c++/79984
        * c-attribs.c (handle_nonnull_attribute): Save the result of default
        conversion to the attribute list.

2017-03-09  Martin Liska  <mliska@suse.cz>

        * c-ada-spec.c (macro_length): Increment value instead of a pointer.

2017-03-03  Jason Merrill  <jason@redhat.com>

        * c.opt (Wnoexcept-type): New.

2017-03-02  Richard Biener  <rguenther@suse.de>

        PR c/79756
        * c-common.c (c_common_mark_addressable_vec): Look through
        C_MAYBE_CONST_EXPR.

2017-02-28  Martin Liska  <mliska@suse.cz>

        * c.opt: Replace space with tabular for options of <number>
        type.

2017-02-28  Martin Liska  <mliska@suse.cz>

        * c.opt: Fix --help=option -Q for options which are of
        an enum type.

2017-02-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/79588
        * c-common.c (check_function_restrict): New function.
        (check_function_arguments): Add FNDECL argument.  Call
        check_function_restrict if -Wrestrict.
        * c-warn.c (warn_for_restrict): Remove ARGS argument, add ARGARRAY
        and NARGS.  Use auto_vec for ARG_POSITIONS, simplify.
        * c-common.h (check_function_arguments): Add FNDECL argument.
        (warn_for_restrict): Remove ARGS argument, add ARGARRAY and NARGS.

2017-02-24  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_function_declaration): Add comment about the
        treatment of parameters with pointer-to-tagged type and tidy up.
        (print_ada_methods): Remove the special treatment of C++ static member
        functions.

2017-02-22  Martin Liska  <mliska@suse.cz>

        * c.opt: Replace inequality signs with square brackets
        for -Wnornalized.

2017-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/79641
        * c-attribs.c (handle_mode_attribute): Use build_qualified_type to
        preserve quals.

2017-02-17  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Define
        __DECIMAL_DIG__ to the value for long double.

2017-02-15  Marek Polacek  <polacek@redhat.com>

        PR c/79515
        * c-warn.c (do_warn_double_promotion): Don't warn if an invalid
        conversion has occured.

2017-01-24  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_common_reswords): Add "__RTL".
        * c-common.h (enum rid): Add RID_RTL.

2017-01-20  Marek Polacek  <polacek@redhat.com>

        PR c/64279
        * c-common.h (do_warn_duplicated_branches_r): Declare.
        * c-gimplify.c (c_genericize): Walk the function tree calling
        do_warn_duplicated_branches_r.
        * c-warn.c (expr_from_macro_expansion_r): New.
        (do_warn_duplicated_branches): New.
        (do_warn_duplicated_branches_r): New.
        * c.opt (Wduplicated-branches): New option.

2017-01-17  David Malcolm  <dmalcolm@redhat.com>

        PR c++/71497
        * c-indentation.c (warn_for_misleading_indentation): Use the past
        subjunctive in the note.

2017-01-17  Aldy Hernandez  <aldyh@redhat.com>

        PR c/79116
        * array-notation-common.c (cilkplus_extract_an_triplets): Convert
        start type to integer_type.

2017-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR driver/49726
        * c.opt (gen-decls): Add Driver flag.

2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>

        Revert:
        2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/71737
        * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.

2017-01-16  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/71737
        * c-common.c (set_underlying_type): Always set DECL_ORIGINAL_TYPE.

2017-01-12  Martin Sebor  <msebor@redhat.com>

        (-Wformat-overflow): ...to this.

2017-01-11  Martin Sebor  <msebor@redhat.com>

        PR c/78768
        * c.opt (-Walloca-larger-than, -Wformat-length, -Wformat-truncation):
        Also enable for LTO.

2017-01-10  Jason Merrill  <jason@redhat.com>

        Implement P0195R2, C++17 variadic using.
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_variadic_using.

2017-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR translation/79019
        PR translation/79020
        * c.opt (Wnormalized=): Fix typo in description.

2017-01-08  Martin Sebor  <msebor@redhat.com>

        PR middle-end/77708
        * c.opt (-Wformat-truncation): New option.

2017-01-06  Alexandre Oliva <aoliva@redhat.com>

        * c-pretty-print.c (pp_c_tree_decl_identifier): Convert 16-bit
        value to unsigned short to fit in 4 hex digits without
        warnings.

2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * c.opt (fsso-struct): Add 'native' value.

2017-01-05  Martin Liska  <mliska@suse.cz>

        PR pch/78970
        * c-opts.c (c_common_post_options): Reject '-' filename for a precompiled
        header.

2017-01-04  Marek Polacek  <polacek@redhat.com>

        PR c++/64767
        * c.opt (Wpointer-compare): New option.

2017-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR driver/78957
        * c.opt (fsso-struct=): Add RejectNegative.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2016-12-29  Martin Liska  <mliska@suse.cz>

        PR c/78933
        * c.opt (strong-eval-order): Add RejectNegative keyword.

2016-12-22  Jason Merrill  <jason@redhat.com>

        Implement P0522R0, matching of template template arguments.
        * c-cppbuiltin.c (c_cpp_builtins): Define
        __cpp_template_template_args.

2016-12-21  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/78817
        * c-common.c (struct nonnull_arg_ctx): New type.
        (check_function_nonnull): Return bool instead of void.  Use
        nonnull_arg_ctx as context rather than just location_t.
        (check_nonnull_arg): Adjust for the new context type, set
        warned_p to true if a warning has been diagnosed.
        (check_function_arguments): Return bool instead of void.
        * c-common.h (check_function_arguments): Adjust prototype.

2016-12-21  Jason Merrill  <jason@redhat.com>

        * c.opt (-fnew-ttp-matching): New flag.
        * c-opts.c (c_common_post_options): Default on if -std=c++1z.

2016-12-14  Martin Jambor  <mjambor@suse.cz>

        * c-omp.c: Include omp-general.h instead of omp-low.h.
        (c_finish_oacc_wait): Adjusted call to find_omp_clause to use its new
        name.

2016-12-14  Martin Sebor  <msebor@redhat.com>

        PR c/17308
        * c-common.c (check_nonnull_arg): Disable when optimization
        is enabled.

2016-12-12  Marek Polacek  <polacek@redhat.com>

        PR c++/78647
        * c-common.c (attribute_fallthrough_p): Return false for
        error_mark_node.

2016-12-08  Martin Sebor  <msebor@redhat.com>

        PR c/78284
        * c.opt (-Walloc-zero, -Walloc-size-larger-than): New options.

2016-12-08  Martin Sebor  <msebor@redhat.com>

        PR c/78165
        * c-pretty-print (pp_c_integer_constant): Avoid formatting type
        suffix.

2016-12-07  Martin Sebor  <msebor@redhat.com>

        PR c/53562
        PR middle-end/77784
        PR middle-end/78149
        PR middle-end/78138
        * c.opt (-Wstringop-overflow): New option.

2016-12-02  Maxim Ostapenko  <m.ostapenko@samsung.com>

        * c-attribs.c (asan odr indicator): New attribute.
        (handle_asan_odr_indicator_attribute): New function.

2016-11-26  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * c-common.c (c_common_nodes_and_builtins): Remove initialization of
        ptrdiff_type_node;

2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>

        * c-common.c (excess_precision_mode_join): New.
        (c_ts18661_flt_eval_method): New.
        (c_c11_flt_eval_method): Likewise.
        (c_flt_eval_method): Likewise.
        * c-common.h (excess_precision_mode_join): New.
        (c_flt_eval_method): Likewise.
        * c-cppbuiltin.c (c_cpp_flt_eval_method_iec_559): New.
        (cpp_iec_559_value): Call it.
        (c_cpp_builtins): Modify logic for __LIBGCC_*_EXCESS_PRECISION__,
        call c_flt_eval_method to set __FLT_EVAL_METHOD__ and
        __FLT_EVAL_METHOD_TS_18661_3__.

2016-11-23  James Greenhalgh  <james.greenhalgh@arm.com>

        * c-opts.c (c_common_post_options): Add logic to handle the default
        case for -fpermitted-flt-eval-methods.

2016-11-23  Paolo Bonzini  <bonzini@gnu.org>

        * c.opt (Wexpansion-to-defined): New.

2016-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/78451
        * c-pragma.c (handle_pragma_target): Don't replace
        current_target_pragma, but chainon the new args to the current one.

2016-11-22  Nathan Sidwell  <nathan@acm.org>

        * array-notation-common.c (cilkplus_extract_an_trplets): Fix
        indentation and formatting.

2016-11-21  Martin Sebor  <msebor@redhat.com>

        * c.opt (-fprintf-return-value): Enable by default.

2016-11-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/71973
        * c.opt (-Wbuiltin-declaration-mismatch): New warning.
        * c-common.c (c_common_nodes_and_builtins): Initialize
        const_tm_ptr_type_node.

2016-11-16  Marek Polacek  <polacek@redhat.com>

        PR c/78285
        * c-common.c (c_add_case_label): Turn error_at calls into inform.

2016-11-14  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_structured_bindings.

2016-11-14  Prasad Ghangal  <prasad.ghangal@gmail.com>
            Richard Biener  <rguenther@suse.de>

        * c-common.h (c_common_resword): Add RID_GIMPLE, RID_PHI types.
        * c-common.h (enum rid): Add RID_GIMPLE, RID_PHI.
        * c.opt (fgimple): New option.

2016-11-13  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR c/35503
        * c-common.h (warn_for_restrict): Declare.
        * c-warn.c: Include gcc-rich-location.h.
        (warn_for_restrict): New function.
        * c-format.c (gcc_tdiag_char_table): Add entry for "Z" specifier.
        (gcc_cdiag_char_table): Likewise.
        (gcc_cxxdiag_char_table): Likewise.
        * c.opt (Wrestrict): New option.

2016-11-13  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (print_ada_declaration): For typedef declarations, look
        for nested types only if the type is a record or union and dump SLOC.

2016-11-09  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_template_auto.

2016-11-09  Jakub Jelinek  <jakub@redhat.com>

        * c-ubsan.c (ubsan_instrument_shift): Handle split
        -fsanitize=shift-base and -fsanitize=shift-exponent.

2016-11-07  Jason Merrill  <jason@redhat.com>

        * c.opt (Wc++1z-compat): New.
        * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_noexcept_function_type.

2016-11-07  Martin Liska  <mliska@suse.cz>

        * c-warn.c (warn_for_unused_label): Save all labels used
        in goto or in &label.

2016-11-03  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Correct
        __cpp_inheriting_constructors.

2016-11-01  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Update
        __cpp_inheriting_constructors.

        * c.opt (-fnew-inheriting-ctors): New.
        * c-opts.c: Default to on for ABI 11+.

2016-10-31  Jakub Jelinek  <jakub@redhat.com>

        PR c++/77948
        * c.opt (fext-numeric-literals): Add Var and Init.
        * c-opts.c (c_common_handle_option): Don't clear
        cpp_opts->ext_numeric_literals for -std=c++{11,14,1z}.
        (c_common_post_options): Clear it here if not set
        explicitly.

2016-10-28  Aldy Hernandez  <aldyh@redhat.com>

        PR debug/77773
        * c-pretty-print.c (simple_type_specifier): Do not dereference `t'
        if NULL.

2016-10-25  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (enum rid): Add RID_BUILTIN_LAUNDER.
        * c-common.c (c_common_reswords): Add __builtin_launder.

2016-10-24  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Warn for
        multiplications in boolean context.  Fix the quoting of '<<' and '<'
        in the shift warning.

2016-10-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Fix the comment.

2016-10-20  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_concepts value.

2016-10-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Warn only for signed
        integer shift ops in boolean context.

2016-10-18  Aldy Hernandez  <aldyh@redhat.com>

        * c.opt (Walloca): New.
        (Walloca-larger-than=): New.
        (Wvla-larger-than=): New.

2016-10-17  Marek Polacek  <polacek@redhat.com>

        * c-warn.c (find_array_ref_with_const_idx_r): Remove parameter names.
        Return immediately when finding a match.
        (warn_tautological_cmp): Remove a boolean variable that is no longer
        needed.

2016-10-17  Marek Polacek  <polacek@redhat.com>

        * c-attribs.c: New file.
        * c-common.c: Move attributes handling to c-attribs.c.
        (get_nonnull_operand): No longer static.
        * c-common.h: Move the declarations from c-attribs.c to its own section.

2016-10-14  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_aggregate_bases
        and __cpp_deduction_guides.

2016-10-13  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Add __cpp_inline_variables.

2016-10-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * c-cppbuiltin.c: Include memmodel.h.
        * c-opts.c: Likewise.
        * c-pragma.c: Likewise.
        * c-warn.c: Likewise.

2016-10-12  Jakub Jelinek  <jakub@redhat.com>

        * c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option.
        (Wimplicit-fallthrough=): Enable for these languages by -Wextra.
        * c-opts.c (sanitize_cpp_opts): Initialize
        cpp_opts->cpp_warn_implicit_fallthrough.

2016-10-11  Marek Polacek  <polacek@redhat.com>

        * c-common.c (warning_candidate_p): Change the return type to bool
        and return true/false instead of 1/0.
        (vector_mode_valid_p): Likewise.

2016-10-11  Marek Polacek  <polacek@redhat.com>

        * c-common.c (fold_for_warn): No longer static.
        (bool_promoted_to_int_p): Likewise.
        (c_common_get_narrower): Likewise.
        (constant_expression_warning): Move to c-warn.c.
        (constant_expression_error): Likewise.
        (overflow_warning): Likewise.
        (warn_logical_operator): Likewise.
        (find_array_ref_with_const_idx_r): Likewise.
        (warn_tautological_cmp): Likewise.
        (expr_has_boolean_operands_p): Likewise.
        (warn_logical_not_parentheses): Likewise.
        (warn_if_unused_value): Likewise.
        (strict_aliasing_warning): Likewise.
        (sizeof_pointer_memaccess_warning): Likewise.
        (check_main_parameter_types): Likewise.
        (conversion_warning): Likewise.
        (warnings_for_convert_and_check): Likewise.
        (match_case_to_enum_1): Likewise.
        (match_case_to_enum): Likewise.
        (c_do_switch_warnings): Likewise.
        (warn_for_omitted_condop): Likewise.
        (readonly_error): Likewise.
        (lvalue_error): Likewise.
        (invalid_indirection_error): Likewise.
        (warn_array_subscript_with_type_char): Likewise.
        (warn_about_parentheses): Likewise.
        (warn_for_unused_label): Likewise.
        (warn_for_div_by_zero): Likewise.
        (warn_for_memset): Likewise.
        (warn_for_sign_compare): Likewise.
        (do_warn_double_promotion): Likewise.
        (do_warn_unused_parameter): Likewise.
        (record_locally_defined_typedef): Likewise.
        (maybe_record_typedef_use): Likewise.
        (maybe_warn_unused_local_typedefs): Likewise.
        (maybe_warn_bool_compare): Likewise.
        (maybe_warn_shift_overflow): Likewise.
        (warn_duplicated_cond_add_or_warn): Likewise.
        (diagnose_mismatched_attributes): Likewise.
        * c-common.h: Move the declarations from c-warn.c to its own section.
        * c-warn.c: New file.

2016-10-08  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_truthvalue_conversion): Don't distribute
        into COND_EXPR in C++.

2016-10-08  Jakub Jelinek  <jakub@redhat.com>

        * c-lex.c (c_lex_with_flags) <case CPP_COMMENT>: For CPP_COMMENT
        token with PREV_FALLTHROUGH, skip all following CPP_PADDING and
        CPP_COMMENT tokens and set add_flags to PREV_FALLTHROUGH afterwards.

2016-10-07  Jakub Jelinek  <jakub@redhat.com>

        Implement LWG2296 helper intrinsic
        * c-common.h (enum rid): Add RID_ADDRESSOF.
        * c-common.c (c_common_reswords): Add __builtin_addressof.

2016-10-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/77700
        * c-common.c (c_common_truthvalue_conversion): Warn also for
        suspicious enum values in boolean context.

2016-10-06  Jakub Jelinek  <jakub@redhat.com>

        Implement P0258R2 - helper for C++17
        std::has_unique_object_representations trait
        * c-common.h (enum rid): Add RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
        * c-common.c (c_common_reswords): Add
        __has_unique_object_representations.

2016-10-05  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/66343
        * c-ubsan.c (ubsan_instrument_return): Don't call
        initialize_sanitizer_builtins here.

2016-10-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Warn also for suspicious
        conditional expression in boolean context when only one arm is
        non-boolean.

2016-10-05  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/77823
        * c-ubsan.c (ubsan_instrument_shift): Return NULL_TREE if type0
        is not integral.

        * c-common.c (c_common_reswords): Update comment for C++11.

2016-10-04  Jason Merrill  <jason@redhat.com>

        * c-common.c (make_tree_vector_from_ctor): New.
        * c-common.h: Declare it.

2016-10-04  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Don't define
        __LIBGCC_JCR_SECTION_NAME__.

2016-10-03  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Warn for suspicious
        left shift in boolean context.

2016-09-29  Jakub Jelinek  <jakub@redhat.com>

        Implement P0001R1 - C++17 removal of register storage class specifier
        * c.opt (Wregister): New warning.
        * c-opts.c (c_common_post_options): Enable -Wregister by
        default for C++17.

2016-09-29  James Greenhalgh  <james.greenhalgh@arm.com>

        * c-opts.c (c_common_post_options): Remove special case for
        TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard
        in C++.

2016-09-27  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_capture_star_this for
        -std=c++1z.

        * c-ada-spec.c (print_ada_declaration): Remove break after return.

2016-09-26  Thomas Preud'homme  <thomas.preudhomme@arm.com>

        * c-common.c: Include memmodel.h.

2016-09-26  Marek Polacek  <polacek@redhat.com>

        * c-lex.c (c_common_has_attribute): Handle attribute fallthrough.

2016-09-26  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-common.c (c_common_attribute_table): Add fallthrough attribute.
        (handle_fallthrough_attribute): New function.
        (attribute_fallthrough_p): New function.
        * c-common.h (attribute_fallthrough_p): Declare.

2016-09-24  Marek Polacek  <polacek@redhat.com>

        PR c/77490
        * c.opt (Wbool-operation): New.

2016-09-21  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (c_common_truthvalue_conversion): Inhibit
        Wint-in-bool-context warning with from_macro_definition_at.
        Mention the expression will always evaluate to true.

2016-09-21  Martin Sebor  <msebor@redhat.com>

        PR bootstrap/77676
        * c.opt (fprintf-return-value): Temporarily initialize to zero
        to unblock bootstrap failures.

2016-09-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/77651
        * c.opt (Waligned-new=): Add RejectNegative.
        (faligned-new=): Likewise.  Spelling fix - change
        aligned_new_threshhold to aligned_new_threshold.
        * c-cppbuiltin.c (c_cpp_builtins): Change aligned_new_threshhold
        to aligned_new_threshold.

2016-09-20  Martin Sebor  <msebor@redhat.com>

        PR middle-end/49905
        * c.opt: Add -Wformat-length and -fprintf-return-value.

2016-09-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/77434
        * c.opt (Wint-in-bool-context): New warning.
        * c-common.c (c_common_truthvalue_conversion): Warn on integer
        constants in boolean context.

2016-09-19  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (max_align_t_align): Also consider alignment of
        float128_type_node.

2016-09-15  Jason Merrill  <jason@redhat.com>

        * c-common.c (check_cxx_fundamental_alignment_constraints): Check
        DECL_EXTERNAL.

2016-09-14  Jason Merrill  <jason@redhat.com>

        * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
        limit FIELD_DECL, either.

2016-09-14  Marek Polacek  <polacek@redhat.com>

        * c-common.c (c_common_truthvalue_conversion): Use false instead of 0.
        * c-common.h (build_unary_op): Change nonconvert parameter type to bool.
        * c-omp.c (c_finish_omp_atomic): Use false instead of 0.

2016-09-13  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (warn_logical_not_parentheses): Replace
        rich_location::add_fixit_insert calls with add_fixit_insert_before
        and add_fixit_insert_after, eliminating the "next_loc" calculation.

2016-09-13  Jason Merrill  <jason@redhat.com>
            Tom de Vries  <tom@codesourcery.com>

        PR c++/77427
        * c-common.c (set_underlying_type): Don't treat array as builtin type.

2016-09-13  Jason Merrill  <jason@redhat.com>

        * c-common.c (check_cxx_fundamental_alignment_constraints): Don't
        limit types at all.

2016-09-12  Jason Merrill  <jason@redhat.com>

        * c-common.c (check_cxx_fundamental_alignment_constraints): Fix
        bit/byte confusion, allow large alignment for types.

2016-09-12  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/77496
        * c-common.c (warn_for_omitted_condop): Also warn for boolean data.

2016-09-12  David Malcolm  <dmalcolm@redhat.com>

        PR c/72858
        * c-format.c (argument_parser::check_argument_type): Add params
        "type_start" and "conversion_char".  Use the former to generate
        offset_to_type_start and pass it and conversion_char to
        check_format_types.
        (check_format_info_main): Capture the start of the type
        information as "type_start", and pass it an format_char
        to arg_parser.check_argument_type.
        (check_format_types): Provide an example in the leading comment.
        Add params "offset_to_type_start" and "conversion_char"; pass
        them to format_type_warning calls.
        (test_get_modifier_for_format_len): Likewise.
        (matching_type_p): New function.
        (get_format_for_type): Add param "conversion_char" and move
        implementation into...
        (get_format_for_type_1): ...new function, called twice.
        Use new function matching_type_p rather than checking for
        TYPE_CANONICAL equality.
        (get_corrected_substring): New function.
        (format_type_warning): Provide an example in the leading comment.
        Add params "offset_to_type_start" and "conversion_char".  Replace
        call to get_format_for_type with call to get_corrected_substring
        and move rejection of hints for widths/precisions there.
        (assert_format_for_type_streq): Add param "conversion_char".
        (ASSERT_FORMAT_FOR_TYPE_STREQ): Add param CONVERSION_CHAR.
        (test_get_format_for_type_printf): Add conversion chars to the
        tests, adding coverage for various combinations of integer
        vs double conversions, and for preserving octal and hexadecimal
        conversions.
        (test_get_format_for_type_scanf): Add conversion chars to the
        tests.

2016-09-10  Tom de Vries  <tom@codesourcery.com>

        PR C/71602
        * c-common.c (build_va_arg): Handle more strict
        targetm.canonical_va_list_type.  Replace first argument type error with
        assert.

2016-09-09  Martin Sebor  <msebor@redhat.com>

        PR c/77520
        PR c/77521
        * c-format.c (argument_parser::find_format_char_info): Use %qc
        format directive unconditionally.

2016-09-09  Jason Merrill  <jason@redhat.com>

        Implement C++17 new of over-aligned types.
        * c.opt: Add -faligned-new and -Waligned-new.
        * c-common.c (max_align_t_align): Split out from...
        (cxx_fundamental_alignment_p): ...here.
        * c-common.h: Declare it.
        * c-cppbuiltin.c (c_cpp_builtins): Handle aligned new.

2016-09-09  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (builtin_define_type_width): New function.
        (builtin_define_stdint_macros, c_cpp_builtins): Define type width
        macros.

2016-09-07  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (get_cpp_ttype_from_string_type): Handle being passed
        a POINTER_TYPE.
        (substring_loc::get_location): Move to substring-locations.c,
        keeping implementation as...
        (c_get_substring_location): New function, from the above, reworked
        to use accessors rather than member lookup.
        * c-common.h (class substring_loc): Move to substring-locations.h,
        replacing with a forward decl.
        (c_get_substring_location): New decl.
        * c-format.c: Include "substring-locations.h".
        (format_warning_va): Move to substring-locations.c.
        (format_warning_at_substring): Likewise.

2016-09-06 Martin Sebor  <msebor@redhat.com>

        PR c/77336
        * c-format.c (check_function_format): Avoid issuing warnings for
        functions unless they call format functions with non-constant
        format strings.

2016-09-06  Richard Biener  <rguenther@suse.de>

        PR c/77450
        * c-common.c (c_common_mark_addressable_vec): Handle
        COMPOUND_LITERAL_EXPR.

2016-09-05  Marek Polacek  <polacek@redhat.com>

        PR c/77423
        * c-common.c (bool_promoted_to_int_p): New function.
        (expr_has_boolean_operands_p): New function.
        (warn_logical_not_parentheses): Return if expr_has_boolean_operands_p.
        (maybe_warn_bool_compare): Use bool_promoted_to_int_p.

2016-09-04  Tom de Vries  <tom@codesourcery.com>

        revert:
        2016-08-29  Tom de Vries  <tom@codesourcery.com>

        * c-common.c (build_va_arg): Replace first argument type error
        with assert.

2016-09-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/65467
        * c-omp.c (c_finish_omp_atomic): Reject _Atomic qualified expressions.
        (c_finish_omp_for): Reject _Atomic qualified iterators.

2016-09-01  Martin Sebor  <msebor@redhat.com>

        * c-ada-spec.c (dump_ada_function_declaration): Increase buffer
        size to guarantee it fits the output of the formatted function
        regardless of its arguments.

2016-09-01  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-common.c (resolve_overloaded_builtin): Fix formatting.  Add
        FALLTHRU comments.

2016-08-29  Marek Polacek  <polacek@redhat.com>

        PR c/77292
        * c-common.c (warn_logical_not_parentheses): Don't warn for
        a comparison or a logical operator.

2016-08-29  Tom de Vries  <tom@codesourcery.com>

        * c-common.c (build_va_arg): Fix type comparison assert.

2016-08-29  Tom de Vries  <tom@codesourcery.com>

        * c-common.c (build_va_arg): Replace first argument type error
        with assert.

2016-08-29  Tom de Vries  <tom@codesourcery.com>

        PR c/77398
        * c-common.c (build_va_arg): Add first argument error.  Build va_arg
        with error_mark_node as va_list instead of with illegal va_list.

2016-08-25  Marek Polacek  <polacek@redhat.com>
            David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (warn_logical_not_parentheses): Print fixit hints.
        * c-common.h (warn_logical_not_parentheses): Update declaration.

2016-08-22  Marek Polacek  <polacek@redhat.com>

        PR c++/77321
        * c-common.c (warn_for_memset): Check type for null.

2016-08-22  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Check _FloatN and
        _FloatNx types for suffixes for built-in functions.

2016-08-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/32187
        * c-common.h (RID_FLOAT16, RID_FLOATN_NX_FIRST, RID_FLOAT32)
        (RID_FLOAT64, RID_FLOAT128, RID_FLOAT32X, RID_FLOAT64X)
        (RID_FLOAT128X): New enum rid values.
        (CASE_RID_FLOATN_NX): New macro.
        * c-common.c (c_common_reswords): Add _FloatN and _FloatNx
        keywords.
        (c_common_type_for_mode): Check for _FloatN and _FloatNx and
        corresponding complex types.
        (c_common_nodes_and_builtins): For non-C++, register _FloatN and
        _FloatNx and corresponding complex types.
        (keyword_begins_type_specifier): Use CASE_RID_FLOATN_NX.
        * c-cppbuiltin.c (builtin_define_float_constants): Check _FloatN
        and _FloatNx types for the widest type for determining
        DECIMAL_DIG.  Define __LDBL_DECIMAL_DIG__ as well as
        __DECIMAL_DIG__ for long double.  Handle FMA_SUFFIX being NULL.
        (c_cpp_builtins): Call builtin_define_float_constants for _FloatN
        and _FloatNx types.
        * c-lex.c (interpret_float): Handle _FloatN and _FloatNx
        constants.
        * c-pretty-print.c (pp_c_floating_constant): Handle _FloatN and
        _FloatNx types.

2016-08-18  David Malcolm  <dmalcolm@redhat.com>

        * c-opts.c (c_diagnostic_finalizer): Update for change to
        diagnostic_show_locus.

2016-08-18  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c: Include "spellcheck.h".
        (cb_get_suggestion): New function.
        * c-common.h (cb_get_suggestion): New decl.
        * c-lex.c (init_c_lex): Initialize cb->get_suggestion to
        cb_get_suggestion.

2016-08-18  Marek Polacek  <polacek@redhat.com>

        PR c/71514
        * c-common.c (get_atomic_generic_size): Disallow pointer-to-function
        and pointer-to-VLA.

2016-08-16  David Malcolm  <dmalcolm@redhat.com>

        PR c/72857
        * c-common.c (substring_loc::get_range): Rename to...
        (substring_loc::get_location): ...this, converting param from a
        source_range * to a location_t *.  Call
        get_source_location_for_substring rather than
        get_source_range_for_substring, and pass in m_caret_idx.
        * c-common.h (substring_loc::substring_loc): Add param "caret_idx".
        (substring_loc::get_range): Replace with...
        (substring_loc::get_location): ...this.
        (substring_loc::set_caret_index): New method.
        (substring_loc): Add field m_caret_idx.
        * c-format.c (format_warning_va): Update for above changes.
        Rename local "substring_loc" to "fmt_substring_loc" to avoid
        clashing with type name.
        (format_warning_at_char): Add caret_idx param to substring_loc ctor.
        (check_argument_type): Likewise.
        (format_type_warning): Rename param "fmt_loc" to "whole_fmt_loc"
        Use a copy when emitting warnings, setting the caret index from TYPE.

2016-08-16  Eric Botcazou  <ebotcazou@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_number): New function.
        (handle_escape_character): Likewise.
        (print_ada_macros): Add handling of constant integers and strings.

2016-08-12  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-common.c (scalar_to_vector): Adjust fall through comment.
        * c-opts.c (c_common_handle_option): Likewise.
        * c-pragma.c (handle_pragma_pack): Add FALLTHRU.
        * c-pretty-print.c (c_pretty_printer::postfix_expression): Adjust
        fall through comment.
        * cilk.c (extract_free_variables): Add FALLTHRU.

2016-08-10  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr.

2016-08-09  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_attribute_table): vector_size affects type
        identity.

2016-08-09  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-ada-spec.c (dump_generic_ada_node): Add return.

2016-08-09  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_constexpr for
        C++17 constexpr lambdas.

2016-08-08  David Malcolm  <dmalcolm@redhat.com>

        PR c/64955
        * c-common.h (selftest::c_format_c_tests): New declaration.
        (selftest::run_c_tests): New declaration.
        * c-format.c: Include "selftest.h.
        (format_warning_va): Add param "corrected_substring" and use
        it to add a replacement fix-it hint.
        (format_warning_at_substring): Likewise.
        (format_warning_at_char): Update for new param of
        format_warning_va.
        (argument_parser::check_argument_type): Pass "fki" to
        check_format_types.
        (check_format_types): Add param "fki" and pass it to
        format_type_warning.
        (deref_n_times): New function.
        (get_modifier_for_format_len): New function.
        (selftest::test_get_modifier_for_format_len): New function.
        (get_format_for_type): New function.
        (format_type_warning): Add param "fki" and use it to attempt
        to provide hints for argument types when calling
        format_warning_at_substring.
        (selftest::get_info): New function.
        (selftest::assert_format_for_type_streq): New function.
        (ASSERT_FORMAT_FOR_TYPE_STREQ): New macro.
        (selftest::test_get_format_for_type_printf): New function.
        (selftest::test_get_format_for_type_scanf): New function.
        (selftest::c_format_c_tests): New function.

2016-08-08  David Malcolm  <dmalcolm@redhat.com>

        PR c/52952
        * c-format.c: Include "diagnostic.h".
        (location_column_from_byte_offset): Delete.
        (location_from_offset): Delete.
        (format_warning_va): New function.
        (format_warning_at_substring): New function.
        (format_warning_at_char): New function.
        (check_format_arg): Capture location of format_tree and pass to
        check_format_info_main.
        (argument_parser): Add fields "start_of_this_format" and
        "format_string_cst".
        (flag_chars_t::validate): Add param "format_string_cst".  Convert
        warning_at call using location_from_offset to call to
        format_warning_at_char.
        (argument_parser::argument_parser): Add param "format_string_cst_"
        and use use it to initialize field "format_string_cst".
        Initialize new field "start_of_this_format".
        (argument_parser::read_format_flags): Convert warning_at call
        using location_from_offset to a call to format_warning_at_char.
        (argument_parser::read_any_format_left_precision): Likewise.
        (argument_parser::read_any_format_precision): Likewise.
        (argument_parser::read_any_other_modifier): Likewise.
        (argument_parser::find_format_char_info): Likewise, in three places.
        (argument_parser::parse_any_scan_set): Likewise, in one place.
        (argument_parser::handle_conversions): Likewise, in two places.
        (argument_parser::check_argument_type): Add param "fmt_param_loc"
        and use it to make a substring_loc.  Pass the latter to
        check_format_types.
        (check_format_info_main): Add params "fmt_param_loc" and
        "format_string_cst".  Convert warning_at calls using
        location_from_offset to calls to format_warning_at_char.  Pass the
        new params to the arg_parser ctor.  Pass "format_string_cst" to
        flag_chars.validate.  Pass "fmt_param_loc" to
        arg_parser.check_argument_type.
        (check_format_types): Convert first param from a location_t
        to a const substring_loc & and rename to "fmt_loc".  Attempt
        to extract the range of the relevant parameter and pass it
        to format_type_warning.
        (format_type_warning): Convert first param from a location_t
        to a const substring_loc & and rename to "fmt_loc".  Add
        params "param_range" and "type".  Replace calls to warning_at
        with calls to format_warning_at_substring.

2016-08-08  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (class flag_chars_t): New class.
        (struct length_modifier): New struct.
        (class argument_parser): New class.
        (flag_chars_t::flag_chars_t): New ctor.
        (flag_chars_t::has_char_p): New method.
        (flag_chars_t::add_char): New method.
        (flag_chars_t::validate): New method.
        (flag_chars_t::get_alloc_flag): New method.
        (flag_chars_t::assignment_suppression_p): New method.
        (argument_parser::argument_parser): New ctor.
        (argument_parser::read_any_dollar): New method.
        (argument_parser::read_format_flags): New method.
        (argument_parser::read_any_format_width): New method.
        (argument_parser::read_any_format_left_precision): New method.
        (argument_parser::read_any_format_precision): New method.
        (argument_parser::handle_alloc_chars): New method.
        (argument_parser::read_any_length_modifier): New method.
        (argument_parser::read_any_other_modifier): New method.
        (argument_parser::find_format_char_info): New method.
        (argument_parser::validate_flag_pairs): New method.
        (argument_parser::give_y2k_warnings): New method.
        (argument_parser::parse_any_scan_set): New method.
        (argument_parser::handle_conversions): New method.
        (argument_parser::check_argument_type): New method.
        (check_format_info_main): Introduce classes argument_parser
        and flag_chars_t, moving the code within the loop into methods
        of these classes.  Make various locals "const".

2016-08-05  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c: Include "substring-locations.h".
        (get_cpp_ttype_from_string_type): New function.
        (g_string_concat_db): New global.
        (substring_loc::get_range): New method.
        * c-common.h (g_string_concat_db): New declaration.
        (class substring_loc): New class.
        * c-lex.c (lex_string): When concatenating strings, capture the
        locations of all tokens using a new obstack, and record the
        concatenation locations within g_string_concat_db.
        * c-opts.c (c_common_init_options): Construct g_string_concat_db
        on the ggc-heap.

2016-07-29  Marek Polacek  <polacek@redhat.com>

        PR c/71926
        * c-common.c (c_common_truthvalue_conversion): Use LOCATION for the
        parentheses warning.

        PR c/71574
        * c-common.c (handle_alloc_align_attribute): Also check FUNCTION_DECL.

2016-07-28  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/68025
        * c-common.c (handle_no_profile_instrument_function_attribute):

2016-07-27  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * c-common.c (check_user_alignment): Use LOG2_BITS_PER_UNIT instead of
        BITS_PER_UNIT_LOG.

2016-07-25  Jason Merrill  <jason@redhat.com>

        PR c++/65970
        * c.opt (fconstexpr-loop-limit): New.

2016-07-22  Martin Sebor  <msebor@redhat.com>

        PR c++/71675
        * c-common.c (resolve_overloaded_builtin): Avoid converting
        __atomic_compare_exchange_n return type to that of what its
        first argument points to.

2016-07-22  Uros Bizjak  <ubizjak@gmail.com>

        * c-common.c: Use HOST_WIDE_INT_M1U instead of
        ~(unsigned HOST_WIDE_INT) 0.

2016-07-22  Martin Liska  <mliska@suse.cz>

        PR gcov-profile/69028
        PR gcov-profile/62047
        * cilk.c (create_cilk_helper_decl): Set location of a new decl
        to the current_function_decl.

2016-07-21  Jason Merrill  <jason@redhat.com>

        PR c++/65168
        * c-common.c (c_common_truthvalue_conversion): Check
        c_inhibit_evaluation_warnings for warning about address of
        reference.

2016-07-20  David Malcolm  <dmalcolm@redhat.com>

        * c-common.h (lookup_name_fuzzy): Convert return type from tree to
        const char *.

2016-07-15  Jason Merrill  <jason@redhat.com>

        * c-opts.c (c_common_post_options): Update -fabi-version default to 11.

2016-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/71858
        * c-common.h (enum lookup_name_fuzzy_kind): Add
        FUZZY_LOOKUP_FUNCTION_NAME.

2016-07-08  Jason Merrill  <jason@redhat.com>

        P0145: Refining Expression Order for C++.
        * c.opts (-fargs-in-order): Rename to -fstrong-eval-order.
        * c-opts.c: Adjust.

2016-07-05  Markus Trippelsdorf  <markus@trippelsdorf.de>

        PR c++/71214
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_rvalue_references.

2016-06-29  Thomas Schwinge  <thomas@codesourcery.com>

        * c-pragma.h (enum pragma_kind): Rename
        PRAGMA_OMP_DECLARE_REDUCTION to PRAGMA_OMP_DECLARE.  Adjust all
        users.

2016-06-29  Richard Biener  <rguenther@suse.de>

        PR middle-end/71002
        * c-common.c (c_common_get_alias_set): Remove union type punning case.

2016-06-24  Jason Merrill  <jason@redhat.com>

        P0145R2: Refining Expression Order for C++.
        * c-common.c (verify_tree) [COMPOUND_EXPR]: Fix handling on LHS of
        MODIFY_EXPR.

2016-06-24  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (check_builtin_function_arguments): Require last
        argument of BUILT_IN_*_OVERFLOW_P to have INTEGER_TYPE type.
        Adjust wording of diagnostics for BUILT_IN_*_OVERLFLOW
        if the last argument is pointer to enumerated or boolean type.

2016-06-22  David Malcolm  <dmalcolm@redhat.com>

        PR c/70339
        * c-common.h (enum lookup_name_fuzzy_kind): New enum.
        (lookup_name_fuzzy): New prototype.

2016-06-21  John David Anglin  <danglin@gcc.gnu.org>

        * c-common.c (get_source_date_epoch): Use int64_t instead of long long.

2016-06-14  Jason Merrill  <jason@redhat.com>

        P0145R2: Refining Expression Order for C++.
        * c.opt (fargs-in-order): New.
        * c-opts.c (c_common_post_options): Adjust flag_args_in_order.

2016-06-13  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/71498
        * c-gimplify.c (ubsan_walk_array_refs_r): Set *walk_subtrees = 0 on
        all BIND_EXPRs, and on all BIND_EXPRs recurse also on BIND_EXPR_BODY.

        PR preprocessor/71183
        * c-ppoutput.c (init_pp_output): Set cb->get_source_date_epoch
        to cb_get_source_date_epoch.

2016-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/68657
        * c.opt (Wpsabi): Add Warning flag.

2016-06-10  Martin Sebor  <msebor@redhat.com>

        PR c/71392
        * c-common.c (handle_nonnull_attribute): Accept
        the nonnull attribute in type-generic builtins.

2016-06-09  Martin Sebor  <msebor@redhat.com>

        PR c/70883
        * c-common.c (builtin_function_validate_nargs): Make text of error
        message consistent with others like it.

2016-06-08  Martin Sebor  <msebor@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c++/70507
        PR c/68120
        * c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.

2016-06-08  Richard Biener  <rguenther@suse.de>

        * c-common.c (parse_optimize_options): Improve diagnostic messages.

2016-06-07  Richard Biener  <rguenther@suse.de>

        PR c/61564
        * c-common.c (parse_optimize_options): Only apply CL_OPTIMIZATION
        options and warn about others.

2016-06-01  Eduard Sanou  <dhole@openmailbox.org>

        * c-common.c (get_source_date_epoch): Rename to
        cb_get_source_date_epoch.
        * c-common.c (cb_get_source_date_epoch): Use a single generic erorr
        message when the parsing fails.  Use error_at instead of fatal_error.
        * c-common.h (get_source_date_epoch): Rename to
        cb_get_source_date_epoch.
        * c-common.h (cb_get_source_date_epoch): Prototype.
        * c-common.h (MAX_SOURCE_DATE_EPOCH): Define.
        * c-common.h (c_omp_region_type): Remove trailing comma.
        * c-lex.c (init_c_lex): Set cb->get_source_date_epoch callback.
        * c-lex.c (c_lex_with_flags): Remove initialization of
        pfile->source_date_epoch.

2016-05-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71349
        * c-omp.c (c_omp_split_clauses): Put OMP_CLAUSE_DEPEND to
        C_OMP_CLAUSE_SPLIT_TARGET.  Put OMP_CLAUSE_NOWAIT to
        C_OMP_CLAUSE_SPLIT_TARGET if combined with target construct,
        instead of C_OMP_CLAUSE_SPLIT_FOR.

2016-05-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/70434
        PR c/69504
        * c-common.h (convert_vector_to_pointer_for_subscript): Rename to ...
        (convert_vector_to_array_for_subscript): ... this.
        * c-common.c (convert_vector_to_pointer_for_subscript): Use a
        VIEW_CONVERT_EXPR to an array type.  Rename to ...
        (convert_vector_to_array_for_subscript): ... this.

2016-05-12  Marek Polacek  <polacek@redhat.com>

        PR c/70756
        * c-common.c (pointer_int_sum): Call size_in_bytes_loc instead of
        size_in_bytes and pass LOC to it.

2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

        PR c/43651
        * c.opt (Wduplicate-decl-specifier): New option.

2016-05-11  Marek Polacek  <polacek@redhat.com>

        PR c++/71024
        * c-common.c (diagnose_mismatched_attributes): New function.
        * c-common.h (diagnose_mismatched_attributes): Declare.

2016-05-04  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wdangling-else): New option.

2016-05-03  Marek Polacek  <polacek@redhat.com>

        PR c/70859
        * c-common.c (builtin_function_validate_nargs): Add location
        parameter.  Use it.
        (check_builtin_function_arguments): Add location and arguments
        parameters.  Use them.
        * c-common.h (check_builtin_function_arguments): Update declaration.

2016-05-03  Richard Biener  <rguenther@suse.de>

        * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Do not
        allow call args to gimplify to SSA names.

2016-05-03  Marek Polacek  <polacek@redhat.com>

        * c-common.h (enum c_omp_region_type): Remove stray comma.

2016-05-02  Cesar Philippidis  <cesar@codesourcery.com>

        * c-common.h (enum c_omp_region_type): Define.

2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>

        * c-common.c (shorten_compare): Use wi::to_wide.

2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>

        PR middle-end/70626
        * c-common.h (c_oacc_split_loop_clauses): Add boolean argument.
        * c-omp.c (c_oacc_split_loop_clauses): Use it to duplicate
        reduction clauses in acc parallel loops.

2016-04-29  Marek Polacek  <polacek@redhat.com>

        PR c/70852
        * c-common.c (warn_for_memset): Check domain before accessing it.

2016-04-29  Dominik Vogt  <vogt@linux.vnet.ibm.com>

        PR/69089
        * c-common.c (handle_aligned_attribute): Allow 0 as an argument to the
        "aligned" attribute.

2016-04-28  Jason Merrill  <jason@redhat.com>

        * c-lex.c (c_common_has_attribute): Handle nodiscard.

2016-04-28  Eduard Sanou  <dhole@openmailbox.org>
            Matthias Klose  <doko@debian.org>

        * c-common.c (get_source_date_epoch): New function, gets the environment
        variable SOURCE_DATE_EPOCH and parses it as long long with error
        handling.
        * c-common.h (get_source_date_epoch): Prototype.
        * c-lex.c (c_lex_with_flags): set parse_in->source_date_epoch.

2015-04-27  Ryan Burn  <contact@rnburn.com>

        PR c++/69024
        PR c++/68997
        * cilk.c (cilk_ignorable_spawn_rhs_op): Change to external linkage.
        (cilk_recognize_spawn): Renamed from recognize_spawn and change to
        external linkage.
        (cilk_detect_and_unwrap): Corresponding changes.
        (extract_free_variables): Don't extract free variables from
        AGGR_INIT_EXPR slot.
        * c-common.h (cilk_ignorable_spawn_rhs_op): Prototype.
        (cilk_recognize_spawn): Likewise.

2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>

        * c.opt (Wmemset-elt-size): New option.
        * c-common.c (warn_for_memset): New function.
        * c-common.h (warn_for_memset): Declare.

2016-04-25  Jason Merrill  <jason@redhat.com>

        * c-common.c (handle_unused_attribute): Accept CONST_DECL.
        No longer static.
        * c-common.h: Declare it.
        * c-lex.c (c_common_has_attribute): Add maybe_unused.

2016-04-22  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_range_based_for.

2016-04-20  Ilya Verbin  <ilya.verbin@intel.com>

        PR c++/69363
        * c-cilkplus.c (c_finish_cilk_clauses): Remove function.
        * c-common.h (c_finish_cilk_clauses): Remove declaration.

2016-04-18  Michael Matz  <matz@suse.de>

        * c-common.c (handle_aligned_attribute): Use SET_TYPE_ALIGN
        and SET_DECL_ALIGN.

2016-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (get_underlying_decl): Return the typedef, if any.
        (dump_generic_ada_node) <POINTER_TYPE>: Clean up handling of access
        to incomplete types.
        (dump_nested_type): Remove redundant tests and tidy up.
        (print_ada_declaration): Also set TREE_VISITED on the declaration of
        a type which is the typedef of an original type.

2016-04-15  Marek Polacek  <polacek@redhat.com>

        PR c/70651
        * c-common.c (build_va_arg): Change two asserts into errors and return
        error_mark_node.

2016-04-13  Marek Polacek  <polacek@redhat.com>

        PR c++/70639
        * c-indentation.c (should_warn_for_misleading_indentation): Bail out
        for switch statements, too.

2016-03-28  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Update __cpp_range_based_for.

2016-03-23  Marek Polacek  <polacek@redhat.com>

        PR c++/69884
        * c.opt (Wignored-attributes): New option.

2016-03-22  David Malcolm  <dmalcolm@redhat.com>

        PR c/69993
        * c-indentation.c (warn_for_misleading_indentation): Rewrite the
        diagnostic text, reversing the order of the warning and note so
        that they appear in source order.

2016-03-17  Marek Polacek  <polacek@redhat.com>

        PR c/69407
        * c-common.c (resolve_overloaded_builtin): Set TREE_USED for the fetch
        operations.

2016-03-14  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float.

        * c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_range_based_for.

2016-03-09  Richard Biener  <rguenther@suse.de>

        PR c/70143
        * c-common.c (strict_aliasing_warning): Add back
        alias_sets_conflict_p check.

2016-03-08  Jason Merrill  <jason@redhat.com>

        * c-opts.c (set_std_cxx1z): Don't enable concepts.

2016-03-04  David Malcolm  <dmalcolm@redhat.com>

        PR c/68187
        * c-indentation.c (get_visual_column): Move code to determine next
        tab stop to...
        (next_tab_stop): ...this new function.
        (line_contains_hash_if): Delete function.
        (detect_preprocessor_logic): Delete function.
        (get_first_nws_vis_column): New function.
        (detect_intervening_unindent): New function.
        (should_warn_for_misleading_indentation): Replace call to
        detect_preprocessor_logic with a call to
        detect_intervening_unindent.

2016-03-04  David Malcolm  <dmalcolm@redhat.com>

        PR c/68187
        * c-indentation.c (should_warn_for_misleading_indentation): When
        suppressing warnings about cases where the guard and body are on
        the same column, only use the first non-whitespace column in place
        of the guard token column when dealing with "else" clauses.
        When rejecting aligned BODY and NEXT, loosen the requirement
        from equality with the first non-whitespace of guard to simply
        that they not be indented relative to it.

2016-03-04  Richard Biener  <rguenther@suse.de>

        PR c++/70054
        * c-common.c (strict_aliasing_warning): Use alias_set_subset_of
        instead of alias_sets_conflict_p.

2016-03-01  Marek Polacek  <polacek@redhat.com>

        PR c++/69795
        * c-common.c (reject_gcc_builtin): Check for FUNCTION_DECL rather than
        any DECL.

2016-02-22  Martin Sebor  <msebor@redhat.com>

        PR middle-end/69780
        * c-common.c (check_builtin_function_arguments): Validate and
        reject invalid arguments to __builtin_alloca_with_align.

2016-02-20  Mark Wielaard  <mjw@redhat.com>

        PR c/28901
        * c.opt (Wunused-const-variable): Turn into Alias for...
        (Wunused-const-variable=): New option.

2016-02-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR c++/69865
        * c-opts.c (c_common_post_options): Move call to set_std_cxx14 from
        here...
        (c_common_init_options): ...to here.
        (set_std_cxx98): Initialize flag_isoc94 and flag_isoc99.

2016-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69826
        * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_GRAINSIZE.
        (init_pragma): Register PRAGMA_CILK_GRAINSIZE even for
        flag_preprocess_only.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/69835
        * c.opt (Wnonnull-compare): Enable for -Wall.

2016-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR c++/69797
        * c-common.c (sync_resolve_size): Diagnose too few arguments
        even when params is non-NULL empty vector.

2016-02-08  Bernd Schmidt  <bschmidt@redhat.com>

        PR target/60410
        * c.opt (fshort-double): Remove.

2016-02-05  Martin Sebor  <msebor@redhat.com>

        PR c++/69662
        * c.opt (Warning options): Update -Wplacement-new to take
        an optional argument.

2016-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/69543
        PR c/69558
        * c-pragma.c (handle_pragma_diagnostic): Pass input_location
        instead of loc to control_warning_option.

2016-02-01  Nathan Sidwell  <nathan@codesourcery.com>

        * c.opt (fopenacc-dim=): New option.

2016-01-27  Ryan Burn  <contact@rnburn.com>

        PR cilkplus/69267
        * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use
        gimplify_arg. Removed superfluous post_p argument.
        * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed
        superfluous post_p argument.
        * c-gimplify.c (c_gimplify_expr): Likewise.

2016-01-26  David Malcolm  <dmalcolm@redhat.com>

        PR other/69006
        * c-opts.c (c_diagnostic_finalizer): Replace invocation of
        pp_newline_and_flush with pp_flush.

2016-01-20  Martin Sebor  <msebor@redhat.com>

        PR c/69405
        * c-common.c (sync_resolve_size): Avoid printing diagnostic about
        an incompatible argument when the argument isn't a valid tree node.

2016-01-18  Jason Merrill  <jason@redhat.com>

        PR c++/68767
        * c-common.c (check_function_arguments_recurse): Fold the whole
        COND_EXPR, not just the condition.

2016-01-18  Tom de Vries  <tom@codesourcery.com>

        * c-omp.c (c_oacc_split_loop_clauses): Don't copy OMP_CLAUSE_REDUCTION,
        classify as loop clause.

2016-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/68271
        * c-pragma.c (c_register_pragma_1): Adjust comment to note that
        C++ FE no longer has limit on number of pragmas.

2015-01-14  Ryan Burn  <contact@rnburn.com>

        PR c++/69048
        * cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
        to add missing cleanup point.

2016-01-14  David Malcolm  <dmalcolm@redhat.com>

        PR c++/68819
        * c-indentation.c (get_visual_column): Add location_t param.
        Handle the column number being zero by effectively disabling the
        warning, with an "inform".
        (should_warn_for_misleading_indentation): Add location_t argument
        for all uses of get_visual_column.

2016-01-10  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c++/69029
        * c-indentation.c (should_warn_for_misleading_indentation):
        Don't warn about do-while statements.

2016-01-07  Martin Sebor  <msebor@redhat.com>

        PR c/68966
        * c-common.c (sync_resolve_size): Reject first argument when it's
        a pointer to _Bool.

2016-01-05  David Malcolm  <dmalcolm@redhat.com>

        PR c/69122
        * c-indentation.c (get_visual_column): Remove default argument.
        (should_warn_for_misleading_indentation): For the multiline case,
        update call to get_visual_column for next_stmt_exploc so that it
        captures the location of the first non-whitespace character in the
        relevant line.  Don't issue warnings if there is non-whitespace
        before the next statement.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2015-12-21  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (binary_op_error): Convert first param from
        location_t to rich_location * and use it when emitting an error.
        * c-common.h (binary_op_error): Convert first param from
        location_t to rich_location *.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

        * c-common.h (conflict_marker_get_final_tok_kind): New prototype.
        * c-lex.c (conflict_marker_get_final_tok_kind): New function.

2015-12-15  Ilya Verbin  <ilya.verbin@intel.com>

        * c-common.c (c_common_attribute_table): Handle "omp declare target
        link" attribute.

2015-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR c/68833
        * c.opt (Wmissing-format-attribute, Wnormalized): Add Warning option.

2014-12-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/68815
        * c-format.c (gcc_gfc_char_table): Add 'q' flag to remaining
        specifiers (%d, %i,%u and %c).

2015-12-10  David Malcolm  <dmalcolm@redhat.com>

        * c.opt (Wmisleading-indentation): Add to -Wall for C and C++.

2015-12-08  Jakub Jelinek  <jakub@redhat.com>

        PR c/48088
        PR c/68657
        * c.opt (Wfloat-conversion, Wsign-conversion): Add Warning.
        * c-pragma.c (handle_pragma_diagnostic): Adjust
        control_warning_option caller.

2015-12-07  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_cpp_error): Update for change to
        rich_location::set_range.

2015-12-04  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (maybe_warn_shift_overflow): Warn on all overflows if
        shifting 1 out of the sign bit.

2015-12-04  Kirill Yukhin  <kirill.yukhin@intel.com>

        * c-common.c (c_common_attribute_table[]): Update max arguments
        count for "simd" attribute.
        (handle_simd_attribute): Parse "notinbranch" and "inbranch" arguments.

2015-12-03  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/57580
        * c-ppoutput.c (print): Change printed field to bool.
        Move src_file last for smaller padding.
        (init_pp_output): Set print.printed to false instead of 0.
        (scan_translation_unit): Fix up formatting.  Set print.printed
        to true after printing something other than newline.
        (scan_translation_unit_trad): Set print.printed to true instead of 1.
        (maybe_print_line_1): Set print.printed to false instead of 0.
        (print_line_1): Likewise.
        (do_line_change): Set print.printed to true instead of 1.
        (cb_define, dump_queued_macros, cb_include, cb_def_pragma,
        dump_macro): Set print.printed to false after printing newline.

2015-12-02  Jason Merrill  <jason@redhat.com>

        * c-common.c (fold_for_warn): New.
        (warn_logical_operator, warn_tautological_cmp)
        (check_function_arguments_recurse, maybe_warn_bool_compare): Use it.

        * c-common.c (c_disable_warnings, c_enable_warnings, c_fully_fold)
        (c_fully_fold_internal, decl_constant_value_for_optimization):
        Move to c/c-fold.c.
        * c-common.h: Don't declare decl_constant_value_for_optimization.

2015-12-02  Joseph Myers  <joseph@codesourcery.com>

        PR c/68162
        * c-common.h (c_build_qualified_type): Add extra default
        arguments.

2015-12-01  Julian Brown  <julian@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <James_Norris@mentor.com>

        * c-pragma.c (oacc_pragmas): Add PRAGMA_OACC_HOST_DATA.
        * c-pragma.h (pragma_kind): Add PRAGMA_OACC_HOST_DATA.
        (pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_USE_DEVICE.

2015-11-30  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (print_ada_macros): Remove redundant blank line.
        (decl_sloc_common): Delete and move bulk of processing to...
        (decl_sloc): ...here.
        (pp_ada_tree_identifier): Remove reference to QUAL_UNION_TYPE.
        (dump_ada_double_name): Remove S parameter and compute the suffix.
        (dump_ada_array_type): Add PARENT parameter.  Simplify computation of
        element type and deal with an anonymous one.
        (dump_ada_template): Use RECORD_OR_UNION_TYPE_P macro.
        (dump_generic_ada_node): Tweak.  Adjust call to dump_ada_array_type
        and remove reference to QUAL_UNION_TYPE.
        (dump_nested_types): Make 2 passes on the fields and move bulk to...
        (dump_nested_type): ...here.  New function extracted from above.
        Generate a full declaration for anonymous element type of arrays.
        (print_ada_declaration): Really skip anonymous declarations.  Remove
        references to QUAL_UNION_TYPE.  Adjust call to dump_ada_array_type.
        Clean up processing of declarations of array types and objects.
        (print_ada_struct_decl): Remove reference to QUAL_UNION_TYPE.
        Remove obsolete code and tidy up.

2015-11-29  Jan Hubicka  <hubicka@ucw.cz>

        PR c/67581
        * c-common.c (handle_transparent_union_attribute): Update
        also type variants.

2015-11-27  Martin Liska  <mliska@suse.cz>

        PR c++/68312
        * array-notation-common.c (cilkplus_extract_an_triplets):
        Release vector of vectors.
        * cilk.c (gimplify_cilk_spawn): Free allocated memory.

2015-11-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR c++/68527
        * c-ada-spec.c (dump_nested_types): Add guard for error_mark_node.
        (print_ada_struct_decl): Likewise.

2015-11-23  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c++/68001
        * c-gimplify.c (c_gimplify_expr): Stop the process if see an error.
        * cilk.c (recognize_spawn): Determine location in a more precise
        way.

2015-11-19  Jason Merrill  <jason@redhat.com>

        * c-common.c (shorten_compare): But look through macros from
        system headers.

2015-11-18  Jason Merrill  <jason@redhat.com>

        * c-common.c (shorten_compare): Don't -Wtype-limits if the
        non-constant operand comes from a macro.

2015-11-17  Jason Merrill  <jason@redhat.com>

        PR bootstrap/68346
        * c-common.c (warn_tautological_cmp): Fold before checking for
        constants.

2015-11-16  Marek Polacek  <polacek@redhat.com>

        PR c++/68362
        * c-common.c (check_case_bounds): Fold low and high cases.

2015-11-16  Marek Polacek  <polacek@redhat.com>

        * c-ada-spec.c (dump_ada_template): Use RECORD_OR_UNION_TYPE_P.
        * c-common.c (c_common_get_alias_set): Likewise.
        (handle_visibility_attribute): Likewise.

2015-11-16  Kirill Yukhin  <kirill.yukhin@intel.com>

        * c-common.c (handle_simd_attribute): New.
        (struct attribute_spec): Add entry for "simd".
        (handle_simd_attribute): New.

2015-11-13  Kai Tietz  <ktietz70@googlemail.com>

        * c-lex.c (interpret_float): Use fold_convert.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_fully_fold_internal): Capture existing souce_range,
        and store it on the result.
        * c-opts.c (c_common_init_options): Set
        global_dc->colorize_source_p.

2015-11-12  James Norris  <jnorris@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * c-pragma.c (oacc_pragmas): Add entry for declare directive.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_DECLARE.
        (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT and
        PRAGMA_OACC_CLAUSE_LINK.

2015-11-11  Marek Polacek  <polacek@redhat.com>

        PR c/68107
        PR c++/68266
        * c-common.c (valid_array_size_p): New function.
        * c-common.h (valid_array_size_p): Declare.

2015-11-11  Dominique d'Humieres  <dominiq@lps.ens.fr>

        PR bootstrap/68271
        * c-pragma.c (c_register_pragma_1): Update the gcc_assert to 256.

2015-11-11  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c: Remove unused header files.
        * c-ada-spec.c: Likewise.
        * c-cilkplus.c: Likewise.
        * c-common.c: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-indentation.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-semantics.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.
        * stub-objc.c: Likewise.

2015-11-09  Thomas Schwinge  <thomas@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * c-pragma.c (oacc_pragmas): Add "routine".
        * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ROUTINE.

2015-11-08  Eric Botcazou  <ebotcazou@adacore.com>

        * c-common.c (c_common_attributes): Add scalar_storage_order.
        (handle_scalar_storage_order_attribute): New function.
        * c-pragma.c (global_sso): New variable.
        (maybe_apply_pragma_scalar_storage_order): New function.
        (handle_pragma_scalar_storage_order): Likewise.
        (init_pragma): Register scalar_storage_order.
        * c-pragma.h (maybe_apply_pragma_scalar_storage_order): Declare.
        * c.opt (Wscalar-storage-order): New warning.
        (fsso-struct=): New option.

2015-11-08  Martin Sebor  <msebor@redhat.com>

        * c.opt (Wplacement-new): Add a period to the end of a sentence.

2015-11-07  Richard Sandiford  <richard.sandiford@arm.com>

        * c-common.c: Don't undef DEF_BUILTIN.

2015-11-06  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (c_cpp_error): Convert parameter from location_t to
        rich_location *.  Eliminate the "column_override" parameter and
        the call to diagnostic_override_column.
        Update the "done_lexing" clause to set range 0
        on the rich_location, rather than overwriting a location_t.
        * c-common.h (c_cpp_error): Convert parameter from location_t to
        rich_location *.  Eliminate the "column_override" parameter.

2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>

        * c-omp.c (c_oacc_split_loop_clauses): Make TILE, GANG, WORKER, VECTOR,
        AUTO, SEQ, INDEPENDENT and PRIVATE loop clauses.  Associate REDUCTION
        clauses with parallel and kernels and loops.
        * c-pragma.h (enum pragma_omp_clause): Add entries for
        PRAGMA_OACC_CLAUSE_{INDEPENDENT,TILE,DEFAULT}.
        * pt.c (tsubst_omp_clauses): Add support for OMP_CLAUSE_{NUM_GANGS,
        NUM_WORKERS,VECTOR_LENGTH,GANG,WORKER,VECTOR,ASYNC,WAIT,TILE,AUTO,
        INDEPENDENT,SEQ}.
        (tsubst_expr): Add support for OMP_CLAUSE_{KERNELS,PARALLEL,LOOP}.

2015-11-05  Martin Sebor  <msebor@redhat.com>

        PR c++/67942
        * c.opt (-Wplacement-new): New option.

2015-11-05  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_finish_omp_atomic): Add TEST argument.
        (c_omp_check_loop_iv, c_omp_check_loop_iv_exprs): New prototypes.
        * c-omp.c (c_finish_omp_atomic): Add TEST argument.  Don't call
        save_expr or create_tmp_var* if TEST is true.
        (c_finish_omp_for): Store OMP_FOR_ORIG_DECLS always.
        Don't call add_stmt here.
        (struct c_omp_check_loop_iv_data): New type.
        (c_omp_check_loop_iv_r, c_omp_check_loop_iv,
        c_omp_check_loop_iv_exprs): New functions.
        (c_omp_split_clauses): Adjust for lastprivate being allowed on
        distribute.
        (c_omp_declare_simd_clauses_to_numbers): Change
        OMP_CLAUSE_LINEAR_VARIABLE_STRIDE OMP_CLAUSE_LINEAR_STEP into numbers.
        (c_omp_declare_simd_clauses_to_decls): Similarly change those
        from numbers to PARM_DECLs.

2015-11-04  Mikhail Maltsev  <maltsevm@gmail.com>

        * c-omp.c (c_omp_split_clauses): Remove conditional compilation. Use
        flag_checking.

2015-11-03  Bernd Schmidt  <bschmidt@redhat.com>

        PR c++-common/67882
        * c-common.h (fold_offsetof_1): Add argument.
        * c-common.c (fold_offsetof_1): Diagnose more invalid
        offsetof expressions that reference elements past the end of
        an array.

2015-11-03  Thomas Schwinge  <thomas@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * c-pragma.c (oacc_pragmas): Add "atomic".
        * c-pragma.h (pragma_kind): Add PRAGMA_OACC_ATOMIC.

2015-10-30  Evgeny Stupachenko  <evstupac@gmail.com>

        * c-common.c (handle_target_clones_attribute): New.
        (c_common_attribute_table): Add handle_target_clones_attribute.
        (handle_always_inline_attribute): Add check on target_clones attribute.
        (handle_target_attribute): Ditto.

2015-10-29  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c: Reorder #include's and remove duplicates.
        * c-ada-spec.c: Likewise.
        * c-cilkplus.c: Likewise.
        * c-common.c: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-indentation.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-semantics.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.
        * stub-objc.c: Likewise.

2015-10-28  Jason Merrill  <jason@redhat.com>

        * c-common.c (pointer_int_sum): Fold the MULT_EXPR.

2015-10-27  Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        PR c/64765
        PR c/64880
        * c-common.h (c_oacc_split_loop_clauses): Declare function.
        * c-omp.c (c_oacc_split_loop_clauses): New function.

2015-10-21  Martin Sebor  <msebor@redhat.com>

        PR driver/68043
        * c.opt: End each sentence that describes an option with a period.

2015-10-20  Marek Polacek  <polacek@redhat.com>

        * array-notation-common.c (is_cilkplus_vector_p): Define.
        * c-common.h (is_cilkplus_vector_p): Declare.

2015-10-20  Marek Polacek  <polacek@redhat.com>

        * c.opt (std=gnu++11): Do not describe as experimental.
        (std=gnu++14): Likewise.

2015-10-19  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define
        __cpp_nontype_template_args.

2015-10-19  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define
        __cpp_enumerator_attributes, __cpp_fold_expressions,
        __cpp_unicode_characters.

2015-10-13  Jakub Jelinek  <jakub@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * c-common.c (enum c_builtin_type): Define DEF_FUNCTION_TYPE_9,
        DEF_FUNCTION_TYPE_10 and DEF_FUNCTION_TYPE_11.
        (c_define_builtins): Likewise.
        * c-common.h (enum c_omp_clause_split): Add
        C_OMP_CLAUSE_SPLIT_TASKLOOP.
        (c_finish_omp_critical, c_finish_omp_ordered): Add CLAUSES argument.
        (c_finish_omp_for): Add ORIG_DECLV argument.
        * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP as
        201511 instead of 201307.
        * c-omp.c (c_finish_omp_critical): Add CLAUSES argument, set
        OMP_CRITICAL_CLAUSES to it.
        (c_finish_omp_ordered): Add CLAUSES argument, set
        OMP_ORDERED_CLAUSES to it.
        (c_finish_omp_for): Add ORIG_DECLV argument, set OMP_FOR_ORIG_DECLS
        to it if OMP_FOR.  Clear DECL_INITIAL on the IVs.
        (c_omp_split_clauses): Handle OpenMP 4.5 combined/composite
        constructs and new OpenMP 4.5 clauses.  Clear
        OMP_CLAUSE_SCHEDULE_SIMD if not combined with OMP_SIMD.  Add
        verification code.
        * c-pragma.c (omp_pragmas_simd): Add taskloop.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKLOOP.
        (enum pragma_omp_clause): Add
        PRAGMA_OMP_CLAUSE_{DEFAULTMAP,GRAINSIZE,HINT,{IS,USE}_DEVICE_PTR}
        and PRAGMA_OMP_CLAUSE_{LINK,NOGROUP,NUM_TASKS,PRIORITY,SIMD,THREADS}.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * c-lex.c (interpret_float): Use real_equal instead of
        REAL_VALUES_EQUAL.

2015-10-04  Jason Merrill  <jason@redhat.com>

        Implement N4514, C++ Extensions for Transactional Memory.
        * c-common.c (c_common_reswords): Add C++ TM TS keywords.
        (c_common_attribute_table): Add transaction_safe_dynamic.
        transaction_safe now affects type identity.
        (handle_tm_attribute): Handle transaction_safe_dynamic.
        * c-common.h (enum rid): Add RID_ATOMIC_NOEXCEPT,
        RID_ATOMIC_CANCEL, RID_SYNCHRONIZED.
        (OBJC_IS_CXX_KEYWORD): Add RID_SYNCHRONIZED.
        (D_TRANSMEM): New.
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_transactional_memory.
        * c-pretty-print.c (pp_c_attributes_display): Don't print
        transaction_safe in C++.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wduplicated-cond): Don't enable by -Wall anymore.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        PR c/64249
        * c-common.c (warn_duplicated_cond_add_or_warn): New function.
        * c-common.h (warn_duplicated_cond_add_or_warn): Declare.
        * c.opt (Wduplicated-cond): New option.

2015-10-01  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (std=c11): Do not describe as experimental.
        (std=gnu11): Likewise.
        (std=iso9899:2011): Likewise.

2015-09-28  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (DEF_FUNCTION_TYPE_VAR_6): New.
        (DEF_FUNCTION_TYPE_VAR_11): Delete.

2015-09-25  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_division): Remove unnecessary code.
        (ubsan_instrument_shift): Likewise.

2015-09-25  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/64906
        * c-ubsan.c (ubsan_instrument_division): Also pre-evaluate OP1.

2015-09-24  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-indentation.c (should_warn_for_misleading_indentation):
        Compare next_stmt_vis_column with guard_line_first_nws instead
        of with guard_line_vis_column.

2015-09-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/49654
        PR c/49655
        * c-pragma.c (handle_pragma_diagnostic): Detect non-warning
        options and options not valid for the current language.

2015-09-22  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-indentation.c (should_warn_for_misleading_indentation):
        Float out and consolidate the calls to get_visual_column that
        are passed guard_exploc as an argument.  Compare
        next_stmt_vis_column with guard_line_first_nws instead of with
        body_line_first_nws.

2015-09-22  Nathan Sidwell  <nathan@codesourcery.com>

        * c.opt (Wmultiple-inheritance, Wvirtual-inheritance, Wtemplates,
        Wnamespaces): New C++ warnings.

2015-09-22  Jason Merrill  <jason@redhat.com>

        * c-common.h (abi_compat_version_crosses): New.
        (warn_abi_version): Declare.
        * c-common.c: Define it.
        * c-opts.c (c_common_post_options): Handle it.
        flag_abi_compat_version defaults to 8.

2015-09-21  Ville Voutilainen  <ville.voutilainen@gmail.com>

        Complete the implementation of N4230, Nested namespace definition.
        * c-cppbuiltin.c: Add __cpp_namespace_attributes and
        __cpp_nested_namespace_definitions.

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-pragma.c (handle_pragma_diagnostic): Fix wrong return.

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-pragma.c (handle_pragma_diagnostic): Use explicit location
        when warning.
        * c-pragma.h (pragma_lex): Add optional loc argument.

2015-09-16  Mikhail Maltsev  <maltsevm@gmail.com>

        * c-format.c (check_format_arg): Adjust to use common block size in all
        object pools.

2015-09-15  David Malcolm  <dmalcolm@redhat.com>

        * c-format.c (location_from_offset): Update for change in
        signature of location_get_source_line.
        * c-indentation.c (get_visual_column): Likewise.
        (line_contains_hash_if): Likewise.

2015-09-14  Marek Polacek  <polacek@redhat.com>

        * c-opts.c (c_common_post_options): Set C++ standard earlier, before
        setting various warnings.

2015-09-14  Marek Polacek  <polacek@redhat.com>

        * c-common.c (warn_for_sign_compare): Cast to unsigned when shifting
        a negative value.

2015-09-11  Mark Wielaard  <mjw@redhat.com>

        PR c/28901
        * c.opt (Wunused-variable): Option from common.opt.
        (Wunused-const-variable): New option.

2015-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/53184
        * c.opt ([Wsubobject-linkage]): Add.

2015-09-03  Martin Sebor  <msebor@redhat.com>

        PR c/66516
        * c-common.h (c_decl_implicit, reject_gcc_builtin): Declare new
        functions.
        * c-common.c (reject_gcc_builtin): Define.

2015-09-02  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR middle-end/60586
        * c-common.h (cilk_gimplify_call_params_in_spawned_fn): New
        prototype.
        * c-gimplify.c (c_gimplify_expr): Added a call to the function
        cilk_gimplify_call_params_in_spawned_fn.
        * cilk.c (cilk_gimplify_call_params_in_spawned_fn): New function.
        (gimplify_cilk_spawn): Removed EXPR_STMT and CLEANUP_POINT_EXPR
        unwrapping.

2015-08-25  Marek Polacek  <polacek@redhat.com>

        PR middle-end/67330
        * c-common.c (handle_weak_attribute): Don't check whether the
        visibility can be changed here.

2015-08-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-lex.c (c_lex_with_flags): Use explicit locations.

2015-08-18  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * c-ada-spec.h, c-common.c, c-common.h, c-format.c, c-format.h,
        c-objc.h, c-ppoutput.c, c-pragma.c, c-pragma.h: Remove useless

2015-08-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR middle-end/36757
        * c-common.c (check_builtin_function_arguments): Add check
        for BUILT_IN_SIGNBIT argument.

2015-08-18  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/67160
        * c-cppbuiltin.c (c_cpp_builtins): Fix __cpp_static_assert value
        in c++1z mode.

2015-08-17  Marek Polacek  <polacek@redhat.com>

        * c-pretty-print.c (pp_c_cv_qualifiers): Remove code dealing
        with whitespaces before qualifier names.

2015-08-12  Marek Polacek  <polacek@redhat.com>

        PR c++/55095
        * c-common.c (maybe_warn_shift_overflow): Properly handle
        left-shifting 1 into the sign bit.

2015-08-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wchkp): Use LangEnabledBy instead of EnabledBy.

2015-08-06  Andrew Sutton  <andrew.n.sutton@gmail.com>
            Braden Obrzut  <admin@maniacsvault.net>
            Jason Merrill  <jason@redhat.com>

        Add C++ Concepts TS support.
        * c-common.c (c_common_reswords): Add __is_same_as, concept, requires.
        * c-common.h (enum rid): Add RID_IS_SAME_AS, RID_CONCEPT, RID_REQUIRES.
        (D_CXX_CONCEPTS, D_CXX_CONCEPTS_FLAGS): New.
        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_concepts.
        * c-opts.c (set_std_cxx1z): Set flag_concepts.
        * c.opt (fconcepts): New.

2015-08-02  Martin Sebor  <msebor@redhat.com>

        * c.opt (-Wframe-address): New warning option.

2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-indentation.c (should_warn_for_misleading_indentation):
        Improve heuristics.

2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-indentation.c (get_visual_column): Add parameter first_nws,
        use it.  Update comment documenting the function.
        (is_first_nonwhitespace_on_line): Remove.
        (should_warn_for_misleading_indentation): Replace usage of
        of is_first_nonwhitespace_on_line with get_visual_column.

2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-indentation.h (struct token_indent_info): Define.
        (get_token_indent_info): Define.
        (warn_for_misleading_information): Declare.
        * c-common.h (warn_for_misleading_information): Remove.
        * c-identation.c (warn_for_misleading_indentation):
        Change declaration to take three token_indent_infos.  Adjust
        accordingly.
        * c-identation.c (should_warn_for_misleading_indentation):
        Likewise.  Bail out early if the body is a compound statement.
        (guard_tinfo_to_string): Define.

2015-07-30  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (unary_expression) [INDIRECT_REF]: Don't print
        '*' for reference decay.

2015-07-30  Marek Polacek  <polacek@redhat.com>

        * c-common.c (warn_tautological_cmp): Bail for float types.

2015-07-27  Marek Polacek  <polacek@redhat.com>

        PR bootstrap/67030
        * c-common.c (warn_tautological_cmp): Don't warn for macro expansion.

2015-07-27  Marek Polacek  <polacek@redhat.com>

        PR c++/66555
        PR c/54979
        * c-common.c (find_array_ref_with_const_idx_r): New function.
        (warn_tautological_cmp): New function.
        * c-common.h (warn_tautological_cmp): Declare.
        * c.opt (Wtautological-compare): New option.

2015-07-23  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_division): Use unshare_expr throughout.
        (ubsan_instrument_shift): Likewise.

2015-07-23  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/66908
        * c-ubsan.c: Include gimplify.h.
        (ubsan_instrument_division): Unshare OP0 and OP1.
        (ubsan_instrument_shift): Likewise.

2015-07-20  Marek Polacek  <polacek@redhat.com>
            Richard Sandiford  <richard.sandiford@arm.com>

        PR c++/55095
        * c-common.c (c_fully_fold_internal): Warn about left shift overflows.
        Use EXPR_LOC_OR_LOC.
        (maybe_warn_shift_overflow): New function.
        * c-common.h (maybe_warn_shift_overflow): Declare.
        * c-opts.c (c_common_post_options): Set warn_shift_overflow.
        * c.opt (Wshift-overflow): New option.

2015-07-16  Martin Liska  <mliska@suse.cz>

        * c-format.c (static void check_format_info_main): Use
        object_allocator instead of pool_allocator.
        (check_format_arg): Likewise.
        (check_format_info_main): Likewise.

2015-07-15  Andrew MacLeod  <amacleod@redhat.com>

        * c-opts.c: Remove multiline #include comment.

2015-07-12  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.c: Fix double word typos.

2015-07-10  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (cpp_operation): Revert latest change.
        * c-ada-spec.c (print_ada_declaration): Likewise.  Skip implicit
        constructors and destructors.

2015-07-09  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.h: Adjust includes for flags.h changes.
        * stub-objc.c: Likewise.

2015-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (cpp_operation): Add IS_CONSTEXPR.
        * c-ada-spec.c (print_ada_declaration): Skip constexpr constructors.

2015-07-08  Jakub Jelinek  <jakub@redhat.com>

        * c-omp.c (c_omp_declare_simd_clauses_to_numbers): If all clauses
        are to be removed, return NULL rather than original clauses list.

2015-07-07  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c: Adjust includes.
        * c-ada-spec.c: Likewise.
        * c-cilkplus.c: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-indentation.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-semantics.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.
        * stub-objc.c: Likewise.

2015-07-07  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (cpp_operation): Add IS_MOVE_CONSTRUCTOR.
        * c-ada-spec.c (print_ada_declaration): Skip move constructors.

2015-07-01  Jason Merrill  <jason@redhat.com>

        * c-common.h (D_CXX11): Rename from D_CXX0X.
        (RID_FIRST_CXX11, RID_LAST_CXX11): Rename from *_CXX0X.
        * c-common.c: Adjust.

        * c-opts.c (c_common_post_options): Default to C++14.

        * c-opts.c (c_common_post_options): Highest ABI level is now 10.

2015-06-30  Edward Smith-Rowland  <3dw4rd@verizon.net>

        Implement N4197 - Adding u8 character literals
        * c-ada-spec.c (print_ada_macros): Treat CPP_UTF8CHAR like
        CPP_CHAR.
        * c-common.c (c_parse_error): Print CPP_UTF8CHAR and
        CPP_UTF8CHAR_USERDEF tokens.
        * c-lex.c (c_lex_with_flags): Treat CPP_UTF8CHAR_USERDEF
        and CPP_UTF8CHAR tokens.
        (lex_charconst): Treat CPP_UTF8CHAR token.

2015-06-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/66605
        * c-common.c (do_warn_unused_parameter): Move here.
        * c-common.h (do_warn_unused_parameter): Declare.

2015-06-29  Marek Polacek  <polacek@redhat.com>

        PR c/66322
        * c-common.c (check_case_bounds): Add bool * parameter.  Set
        OUTSIDE_RANGE_P.
        (c_add_case_label): Add bool * parameter.  Pass it down to
        check_case_bounds.
        (c_do_switch_warnings): Add bool parameters.  Implement -Wswitch-bool
        warning here.
        * c-common.h (c_add_case_label, c_do_switch_warnings): Update
        declarations.

2015-06-27  Marek Polacek  <polacek@redhat.com>

        * c-common.c (check_main_parameter_types): Use VECTOR_TYPE_P
        or VECTOR_INTEGER_TYPE_P throughout.
        * c-gimplify.c: Likewise.

2015-06-26  Marek Polacek  <polacek@redhat.com>

        * array-notation-common.c (find_rank): Use INDIRECT_REF_P.
        * c-common.c (c_fully_fold_internal): Likewise.
        (c_alignof_expr): Likewise.
        * c-pretty-print.c (c_pretty_printer::postfix_expression): Likewise.
        * c-ubsan.c (ubsan_instrument_bounds): Likewise.
        * cilk.c (create_parm_list): Likewise.

2015-06-26  Marek Polacek  <polacek@redhat.com>

        * c-common.c (handle_unused_attribute): Use VAR_OR_FUNCTION_DECL_P.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Remove ipa-ref.h and plugin-api.h from include list.
        * c-gimplify.c: Likewise.
        * c-pragma.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * c-common.c (c_type_hasher): Inherit from ggc_ptr_hash rather than
        ggc_hasher.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * cilk.c: Move calls.h after tm.h in the include chain.

2015-06-25  Marek Polacek  <polacek@redhat.com>

        * array-notation-common.c: Use VAR_P throughout.
        * c-ada-spec.c: Likewise.
        * c-common.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-omp.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * cilk.c: Likewise.

2015-06-25  Marek Polacek  <polacek@redhat.com>

        * cilk.c (extract_free_variables): Use is_global_var.

2015-06-23  Richard Sandiford  <richard.sandiford@arm.com>

        * c-common.c: Don't include target-def.h.

2015-06-23  Marek Polacek  <polacek@redhat.com>

        * c-common.c (warn_logical_operator): Use tree_int_cst_equal
        when comparing INTEGER_CSTs.

2015-06-22  Pierre-Marie de Rodat  <derodat@adacore.com>

        * c-ada-spec.h (cpp_operation): Add HAS_DEPENDENT_TEMPLATE_ARGS.
        * c-ada-spec.c (collect_ada_nodes): Skip NAMESPACE_DECL
        (dump_ada_template): Skip partially specialized types.

2015-06-22  Mikhail Maltsev  <maltsevm@gmail.com>

        * c-common.c (scalar_to_vector): Use std::swap instead of manually
        swapping.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c: Do not include input.h, line-map.h or is-a.h.
        * c-ada-spec.c: Likewise.
        * c-cilkplus.c: Likewise.
        * c-common.c: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-indentation.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-semantics.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.
        * stub-objc.c: Likewise.

2015-06-13  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c++/65168
        * c-common.c (c_common_truthvalue_conversion): Warn when
        converting an address of a reference to a truth value.

2015-06-08  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c : Adjust include files.
        * c-ada-spec.c : Likewise.
        * c-cilkplus.c : Likewise.
        * c-common.c : Likewise.
        * c-common.h : Likewise.
        * c-cppbuiltin.c : Likewise.
        * c-dump.c : Likewise.
        * c-format.c : Likewise.
        * c-gimplify.c : Likewise.
        * c-indentation.c : Likewise.
        * c-lex.c : Likewise.
        * c-omp.c : Likewise.
        * c-opts.c : Likewise.
        * c-pch.c : Likewise.
        * c-ppoutput.c : Likewise.
        * c-pragma.c : Likewise.
        * c-pretty-print.c : Likewise.
        * c-semantics.c : Likewise.
        * c-ubsan.c : Likewise.
        * cilk.c : Likewise.
        * stub-objc.c : Likewise.

2015-06-08  Marek Polacek  <polacek@redhat.com>

        PR c/66415
        * c-format.c (location_from_offset): Return LOC if LINE is null.

2015-06-05  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.h (c_parse_final_cleanups): New prototype.
        * c-opts.c (c_common_parse_file): Call c_parse_final_cleanups.

2015-06-04  Sriraman Tallam  <tmsriram@google.com>

        * c-common.c (noplt): New attribute.
        (handle_noplt_attribute): New handler.

2015-06-04  Andrew MacLeod  <amacleod@redhat.com>

        * array-notation-common.c: Adjust includes for restructured coretypes.h.
        * c-ada-spec.c: Likewise.
        * c-cilkplus.c: Likewise.
        * c-common.c: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-indentation.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-semantics.c: Likewise.
        * c-ubsan.c: Likewise.
        * cilk.c: Likewise.
        * stub-objc.c: Likewise.

2015-06-02  David Malcolm  <dmalcolm@redhat.com>

        PR c/66220:
        * c-indentation.c (should_warn_for_misleading_indentation): Use
        expand_location rather than expand_location_to_spelling_point.
        Don't warn if the guarding statement is more indented than the
        next/body stmts.

2015-06-02  David Malcolm  <dmalcolm@redhat.com>

        * c-indentation.c (warn_for_misleading_indentation): Bail out
        immediately if -Wmisleading-indentation isn't enabled.

2015-06-01  Martin Liska  <mliska@suse.cz>

        * c-format.c (check_format_arg):Use new type-based pool allocator.
        (check_format_info_main) Likewise.

2015-05-31  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (is_tagged_type): Test for TYPE_METHODS on main variant.
        (has_nontrivial_methods): Likewise.

2015-05-25  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_shift): Use type0.

2015-05-22  Marek Polacek  <polacek@redhat.com>

        PR c/47043
        * c-common.c (handle_deprecated_attribute): Allow CONST_DECL.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * c-cppbuiltin.c (c_cpp_builtins): Use if instead of #if with
        STACK_GROWS_DOWNWARD.

2015-05-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * c-cppbuiltin.c (c_cpp_builtins): Check the value of
        STACK_GROWS_DOWNWARD rather than if it is defined.

2015-05-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/52952
        * c-format.c (location_column_from_byte_offset): New.
        (location_from_offset): New.
        (struct format_wanted_type): Add offset_loc field.
        (check_format_info): Move handling of location for extra arguments
        closer to the point of warning.
        (check_format_info_main): Pass the result of location_from_offset
        to warning_at.
        (format_type_warning): Pass the result of location_from_offset
        to warning_at.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * c-omp.c (check_omp_for_incr_expr): Use BINARY_CLASS_P.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * c-ada-spec.c (dump_sloc): Use DECL_P.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * c-pragma.c: Use VAR_OR_FUNCTION_DECL_P throughout.
        * c-common.c: Likewise.

2015-05-19  David Malcolm  <dmalcolm@redhat.com>

        * c-common.h (fe_file_change): Strengthen param from
        const line_map * to const line_map_ordinary *.
        (pp_file_change): Likewise.
        * c-lex.c (fe_file_change): Likewise.
        (cb_define): Use linemap_check_ordinary when invoking
        SOURCE_LINE.
        (cb_undef): Likewise.
        * c-opts.c (c_finish_options): Use linemap_check_ordinary when
        invoking cb_file_change.
        (c_finish_options): Likewise.
        (push_command_line_include): Likewise.
        (cb_file_change): Strengthen param "new_map" from
        const line_map * to const line_map_ordinary *.
        * c-ppoutput.c (cb_define): Likewise for local "map".
        (pp_file_change): Likewise for param "map" and local "from".

2015-05-19  Mikhail Maltsev  <maltsevm@gmail.com>

        * c-common.c (shorten_compare): Use std::swap instead of explicit swaps.

2015-05-18  Tom de Vries  <tom@codesourcery.com>

        * c-common.c (build_va_arg_1): New function.
        (build_va_arg): Add address operator to va_list operand if necessary.

2015-05-15  Mikhail Maltsev  <maltsevm@gmail.com>

        PR c/48956
        * c-common.c (int_safely_convertible_to_real_p): Define.
        (unsafe_conversion_p): Check conversions involving complex types.
        (conversion_warning): Add new warning message for conversions which
        discard imaginary component.
        * c-common.h: (enum conversion_safety): Add new enumerator for such
        conversions.

2015-05-14  Marek Polacek  <polacek@redhat.com>

        PR c/66066
        PR c/66127
        * c-common.c (c_fully_fold): Pass false down to c_fully_fold_internal.
        (c_fully_fold_internal): Fold C_MAYBE_CONST_EXPRs with
        C_MAYBE_CONST_EXPR_INT_OPERANDS set.  Add FOR_INT_CONST argument and
        use it.  If FOR_INT_CONST, require that all evaluated operands be
        INTEGER_CSTs.

2015-05-12  David Malcolm  <dmalcolm@redhat.com>

        * c-common.h (warn_for_misleading_indentation): New prototype.
        * c-indentation.c: New file.
        * c.opt (Wmisleading-indentation): New option.

2015-05-12  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/66010
        * c-common.c (build_va_arg): Don't mark ap addressable unless necessary.

2015-05-09  Jason Merrill  <jason@redhat.com>

        * c-opts.c (c_common_post_options): Also clear
        cpp_opts->cpp_warn_cxx11_compat.

        * c-common.h (enum cxx_dialect): Add cxx_unset.
        * c-common.c (cxx_dialect): Initialize to cxx_unset.
        * c-opts.c (c_common_post_options): Set C++ dialect to C++98 if unset.

        * c.opt (std=c++14): Remove Undocumented flag and experimental warning.
        (std=gnu++0x): Mark as Undocumented.
        (std=gnu++1y): Add deprecated message.

2015-05-08  Jason Merrill  <jason@redhat.com>

        * c.opt (Wc++11-compat): Make primary.  Rename var warn_cxx11_compat.
        * c-opts.c: Adjust.

        * c.opt (Wc++0x-compat): Also set cpp_warn_cxx11_compat.

2015-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/64918
        * c.opt (Woverride-init-side-effects): New option.

2015-05-07  Marek Polacek  <polacek@redhat.com>

        PR c/65179
        * c-common.c (c_fully_fold_internal): Warn when left shifting a
        negative value.
        * c.opt (Wshift-negative-value): New option.
        * c-opts.c (c_common_post_options): Set warn_shift_negative_value
        when -Wextra and C99/C++11 mode.

2015-05-07  Marek Polacek  <polacek@redhat.com>
            Martin Uecker  <uecker@eecs.berkeley.edu>

        * c-ubsan.c (ubsan_instrument_bounds): Don't skip instrumenting
        flexible member array-like members if SANITIZE_BOUNDS_STRICT.

2015-05-05  Jason Merrill  <jason@redhat.com>

        * c.opt (Wterminate): New.

2015-04-30  Marek Polacek  <polacek@redhat.com>

        * c-common.c (maybe_warn_bool_compare): When comparing with 0/1,
        require that the non-constant be of a boolean type.

2015-04-29  Josh Triplett  <josh@joshtriplett.org>

        * c-common.c (handle_section_attribute): Refactor to reduce
        nesting and distinguish between error cases.

2015-04-29  Marek Polacek  <polacek@redhat.com>

        PR c/64610
        * c-common.c (maybe_warn_bool_compare): Warn when comparing a boolean
        with 0/1.

2015-04-29  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (omp_clause_mask): Unconditionally define as a class.
        Use uint64_t instead of unsigned HOST_WIDE_INT and 64 instead of
        HOST_BITS_PER_WIDE_INT.

2015-04-28  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/65887
        * c-common.c (build_va_arg): Mark va_arg ap argument as addressable.

2015-04-28  Eric Botcazou  <ebotcazou@adacore.com>
            Pierre-Marie de Rodat  <derodat@adacore.com>

        * c-ada-spec.c (in_function): Delete.
        (dump_generic_ada_node): Do not change in_function and remove the
        redundant code dealing with it.
        (print_ada_declaration): Do not change in_function.  Use INDENT_INCR.
        (print_ada_methods): Output the static member functions in a nested
        package after the regular methods as well as associated renamings.

2015-04-24  Marek Polacek  <polacek@redhat.com>

        PR c/65830
        * c-common.c (c_fully_fold_internal): Use OPT_Wshift_count_negative
        and OPT_Wshift_count_overflow.

        PR c/63357
        * c-common.c (warn_logical_operator): Warn if the operands have the
        same expressions.

2015-04-24  Marek Polacek  <polacek@redhat.com>

        PR c/61534
        * c-common.c (warn_logical_operator): Bail if either operand comes
        from a macro expansion.

2015-04-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/55143
        * c-common.c (c_default_pointer_mode): Add definition.
        * c-common.h (c_default_pointer_mode): Add declaration.

2015-03-11  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (c_common_nodes_and_builtins): Don't call xstrdup
        on record_builtin_type argument.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/65120
        * c-common.c (warn_logical_not_parentheses): Don't warn for
        !x == 0 or !x != 0.

2015-03-07  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/65280
        * c-ubsan.c (ubsan_instrument_bounds): Check for COMPONENT_REF
        before trying to figure out whether we have a flexible array member.

2015-03-06  Eric Botcazou  <ebotcazou@adacore.com>
            Jonathan Wakely  <jwakely.gcc@gmail.com>

        * c-ada-spec.c (dump_ada_double_name): Fix pasto.

2015-03-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/65319
        * c-ada-spec.c (print_destructor): Remove obsolete code.

2015-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (is_tagged_type): Add guard for DECL_VINDEX.
        (dump_template_types): Adjust DECL_TEMPLATE_INSTANTIATIONS and
        DECL_TEMPLATE_RESULT emulations.
        (dump_ada_template)): Add guard for TYPE_METHODS.

2015-02-27  Marek Polacek  <polacek@redhat.com>

        PR c/65040
        * c.opt (Wformat-signedness): Don't enable by -Wformat=2.

2015-02-27  Kai Tietz  <ktietz@redhat.com>

        PR c/35330
        * c-pragma.c (handle_pragma_weak): Do not try to create
        weak/alias of declarations not being function, or variable
        declarations.

2015-02-24  Thomas Schwinge  <thomas@codesourcery.com>

        PR libgomp/64625
        * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
        Remove macros.
        (DEF_FUNCTION_TYPE_VAR_7, DEF_FUNCTION_TYPE_VAR_11): New macros.

2015-02-16  Marek Polacek  <polacek@redhat.com>

        PR c/65066
        * c-format.c (check_format_types): Handle null param.

2015-02-13  Marek Polacek  <polacek@redhat.com>

        PR c/65040
        * c-format.c (check_format_types): Don't warn about different
        signedness if the original value is in the range of WANTED_TYPE.

2015-02-12  Jason Merrill  <jason@redhat.com>

        PR c++/64956
        * c-opts.c (c_common_post_options): Change flag_abi_version from 0
        to the current highest version.
        * c-cppbuiltin.c (c_cpp_builtins): Assert that it isn't 0.

2015-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/64824
        PR c/64868
        * c-omp.c (c_finish_omp_atomic): Use TRUNC_DIV_EXPR
        instead of RDIV_EXPR.  Use build_binary_op instead of
        build2_loc.

2015-01-30  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c, c-pch.c, cppspec.c: All callers of fatal_error changed
        to pass input_location as first argument.

2015-01-23  Tom de Vries  <tom@codesourcery.com>

        PR libgomp/64672
        * c.opt (fopenacc): Mark as LTO option.

2015-01-23  Tom de Vries  <tom@codesourcery.com>

        PR libgomp/64707
        * c.opt (fopenmp): Mark as LTO option.

2015-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/63307
        * cilk.c (fill_decls_vec): Only put decls into vector v.
        (compare_decls): Fix up formatting.

2015-01-21  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/63307
        * cilk.c: Include vec.h.
        (struct cilk_decls): New structure.
        (wrapper_parm_cb): Split this function to...
        (fill_decls_vec): ...this...
        (create_parm_list): ...and this.
        (compare_decls): New function.
        (for_local_cb): Remove.
        (wrapper_local_cb): Ditto.
        (build_wrapper_type): For now first traverse and fill vector of
        declarations then sort it and then deal with sorted vector.
        (cilk_outline): Ditto.
        (declare_one_free_variable): Ditto.

2015-01-21  Jason Merrill  <jason@redhat.com>

        PR c++/64629
        * c-format.c (check_format_arg): Call decl_constant_value.

2015-01-19  Martin Liska  <mliska@suse.cz>

        * c-common.c (handle_noicf_attribute): New function.

2015-01-15  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            Ilmir Usmanov  <i.usmanov@samsung.com>
            Jakub Jelinek  <jakub@redhat.com>

        * c.opt (fopenacc): New option.
        * c-cppbuiltin.c (c_cpp_builtins): Conditionally define _OPENACC.
        * c-common.c (DEF_FUNCTION_TYPE_VAR_8, DEF_FUNCTION_TYPE_VAR_12):
        New macros.
        * c-common.h (c_finish_oacc_wait): New prototype.
        * c-omp.c: Include "omp-low.h" and "gomp-constants.h".
        (c_finish_oacc_wait): New function.
        * c-pragma.c (oacc_pragmas): New variable.
        (c_pp_lookup_pragma, init_pragma): Handle it.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OACC_CACHE,
        PRAGMA_OACC_DATA, PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA,
        PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP, PRAGMA_OACC_PARALLEL,
        PRAGMA_OACC_UPDATE, PRAGMA_OACC_WAIT.
        (enum pragma_omp_clause): Add PRAGMA_OACC_CLAUSE_ASYNC,
        PRAGMA_OACC_CLAUSE_AUTO, PRAGMA_OACC_CLAUSE_COLLAPSE,
        PRAGMA_OACC_CLAUSE_COPY, PRAGMA_OACC_CLAUSE_COPYIN,
        PRAGMA_OACC_CLAUSE_COPYOUT, PRAGMA_OACC_CLAUSE_CREATE,
        PRAGMA_OACC_CLAUSE_DELETE, PRAGMA_OACC_CLAUSE_DEVICE,
        PRAGMA_OACC_CLAUSE_DEVICEPTR, PRAGMA_OACC_CLAUSE_FIRSTPRIVATE,
        PRAGMA_OACC_CLAUSE_GANG, PRAGMA_OACC_CLAUSE_HOST,
        PRAGMA_OACC_CLAUSE_IF, PRAGMA_OACC_CLAUSE_NUM_GANGS,
        PRAGMA_OACC_CLAUSE_NUM_WORKERS, PRAGMA_OACC_CLAUSE_PRESENT,
        PRAGMA_OACC_CLAUSE_PRESENT_OR_COPY,
        PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYIN,
        PRAGMA_OACC_CLAUSE_PRESENT_OR_COPYOUT,
        PRAGMA_OACC_CLAUSE_PRESENT_OR_CREATE, PRAGMA_OACC_CLAUSE_PRIVATE,
        PRAGMA_OACC_CLAUSE_REDUCTION, PRAGMA_OACC_CLAUSE_SELF,
        PRAGMA_OACC_CLAUSE_SEQ, PRAGMA_OACC_CLAUSE_VECTOR,
        PRAGMA_OACC_CLAUSE_VECTOR_LENGTH, PRAGMA_OACC_CLAUSE_WAIT,
        PRAGMA_OACC_CLAUSE_WORKER.

2015-01-14  Marcos Diaz  <marcos.diaz@tallertechnologies.com>

        * c-cppbuiltin.c (c_cpp_builtins): New cpp define __SSP_EXPLICIT__
        for the new option fstack-protector_explicit.
        * c-common.c (c_common_attribute_table): Add stack_protect attribute.
        (handle_stack_protect_attribute): New function.

2015-01-13  Martin Uecker  <uecker@eecs.berkeley.edu>

        * c.opt: New option -Warray-bounds=.

2015-01-09  Michael Collison  <michael.collison@linaro.org>

        * array-notation-common.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h.
        * c-ada-spec.c: Ditto.
        * c-cilkplus.c: Ditto.
        * c-common.c: Include input.h due to flattening of tree.h.
        Define macro GCC_C_COMMON_C.
        * c-common.h: Flatten tree.h header files into c-common.h.
        Remove include of tree-core.h.
        * c-cppbuiltin.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to
        flattening of tree.h.
        * c-dump.c: Ditto.
        * c-format.c: Flatten tree.h header files into c-common.h.
        * c-cppbuiltin.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to
        flattening of tree.h.
        * c-dump.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to
        flattening of tree.h.
        * c-format.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, inchash.h and real.h due to
        flattening of tree.h.
        * c-gimplify.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to
        flattening of tree.h.
        * cilk.c: Ditto.
        * c-lex.c: Ditto.
        * c-omp.c: Ditto.
        * c-opts.c: Ditto.
        * c-pch.c: Ditto.
        * c-ppoutput.c: Ditto.
        * c-pragma.c: Ditto.
        * c-pretty-print.c: Ditto.
        * c-semantics.c: Ditto.
        * c-ubsan.c: Ditto.
        * stub-objc.c: Ditto.

2015-01-08  Jason Merrill  <jason@redhat.com>

        * c-ubsan.c (ubsan_maybe_instrument_array_ref): Use
        do_ubsan_in_current_function.
        (ubsan_maybe_instrument_reference_or_call): Likewise.
        * c-ubsan.h: Declare it.

2015-01-08  Mike Stump  <mikestump@comcast.net>

        * c-common.c (c_common_attribute_table): Add no_sanitize_thread.

2015-01-07  Marek Polacek  <polacek@redhat.com>

        PR c/64440
        * c-common.c (c_fully_fold_internal): Warn for division and modulo
        if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST and is zero.

2015-01-05  Trevor Saunders  <tsaunders@mozilla.com>

        PR c++/31397
        * c.opt (Wsuggest-override): New option.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2015-01-05  Marek Polacek  <polacek@redhat.com>

        PR c/64423
        * c-common.c (warn_array_subscript_with_type_char): Add location_t
        parameter.  Use it.
        * c-common.h (warn_array_subscript_with_type_char): Update
        declaration.

2014-12-20  Edward Smith-Rowland  <3dw4rd@verizon.net>

        * c-cppbuiltin.c (__cpp_sized_deallocation): Uncomment and move macro.
        Control macro with flag_sized_deallocation.

2014-12-20  Martin Uecker  <uecker@eecs.berkeley.edu>

        * c.opt (Wdiscarded-array-qualifiers): New option.

2014-12-19  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/63831
        * c-cppbuiltin.c (c_cpp_builtins): Don't define __has_attribute
        and __has_cpp_attribute here.
        * c-ppoutput.c (init_pp_output): Set cb->has_attribute to
        c_common_has_attribute.
        * c-common.h (c_common_has_attribute): New prototype.
        * c-lex.c (init_c_lex): Set cb->has_attribute to
        c_common_has_attribute instead of cb_has_attribute.
        (get_token_no_padding): New function.
        (cb_has_attribute): Renamed to ...
        (c_common_has_attribute): ... this.  No longer static.  Use
        get_token_no_padding, require ()s, don't build TREE_LIST
        unnecessarily, fix up formatting, adjust diagnostics, call
        init_attributes.

2014-12-15  Jason Merrill  <jason@redhat.com>

        * c.opt (-fsized-deallocation, -Wc++14-compat): New.
        (-Wsized-deallocation): New.
        * c-opts.c (c_common_post_options): -fsized-deallocation defaults
        to on in C++14 and up.

2014-12-11  Jason Merrill  <jason@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Enable C++14 __cpp_constexpr.

        * c-cppbuiltin.c (c_cpp_builtins): Define __cpp_runtime_arrays if
        we aren't complaining about VLAs.

2014-12-06  Marek Polacek  <polacek@redhat.com>

        PR tree-optimization/64183
        * c-gimplify.c (c_gimplify_expr): Don't convert the RHS of a
        shift-expression if it is integer_type_node.  Use types_compatible_p.

2014-11-29  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (convert_vector_to_pointer_for_subscript): Remove NULL
        last argument from create_tmp_var_raw and create_tmp_var calls.
        * cilk.c (gimplify_cilk_spawn): Likewise.
        * c-omp.c (c_finish_omp_atomic): Likewise.

2014-11-28  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_shift): Use op1_utype for MINUS_EXPR
        instead of unsigned_type_node.

2014-11-28  Marek Polacek  <polacek@redhat.com>

        PR c/63862
        * c-ubsan.c (ubsan_instrument_shift): Change the type of a MINUS_EXPR
        to op1_utype.
        * c-gimplify.c (c_gimplify_expr): Convert right operand of a shift
        expression to unsigned_type_node.

2014-11-20  Mark Wielaard  <mjw@redhat.com>

        PR debug/38757
        * c-opts.c (set_std_c89): Set lang_hooks.name.
        (set_std_c99): Likewise.
        (set_std_c11): Likewise.
        (set_std_cxx98): Likewise.
        (set_std_cxx11): Likewise.
        (set_std_cxx14): Likewise.
        (set_std_cxx1z): Likewise.

2014-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/63764
        * c-common.h (convert_vector_to_pointer_for_subscript): Change
        return type to bool.
        * c-common.c: Include gimple-expr.h.
        (convert_vector_to_pointer_for_subscript): Change return type to
        bool.  If *vecp is not lvalue_p and has VECTOR_TYPE, return true
        and copy it into a TARGET_EXPR and use that instead of *vecp
        directly.

2014-11-19  David Malcolm  <dmalcolm@redhat.com>

        Merger of git branch "gimple-classes-v2-option-3".
        * ChangeLog.gimple-classes: New.
        * c-gimplify.c (add_block_to_enclosing): Strengthen local "stack"
        from being just a vec<gimple> to a vec<gbind *>.

2014-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/63813
        * c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type
        argument to ptype, set type to TREE_TYPE (ptype).  Don't call
        get_pointer_alignment for non-pointers.  Use ptype, or if it is
        reference type, corresponding pointer type, as type of kind
        argument.
        (ubsan_maybe_instrument_reference,
        ubsan_maybe_instrument_member_call): Adjust callers.

2014-11-15  Marek Polacek  <polacek@redhat.com>

        PR middle-end/63884
        * array-notation-common.c (is_sec_implicit_index_fn): Return false
        for NULL fndecl.
        (extract_array_notation_exprs): Return for NULL node.

2014-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Define and
        undefine __NO_MATH_ERRNO__ based on changes to -fmath-errno state.

2014-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/59708
        * c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_{ADD,SUB,MUL}_OVERFLOW.

2014-11-10  Andi Kleen  <ak@linux.intel.com>

        PR c/60804
        * c-common.h (check_no_cilk): Declare.
        * cilk.c (get_error_location): New function.
        (check_no_cilk): Dito.

2014-11-10  Andi Kleen  <ak@linux.intel.com>

        * cilk.c (recognize_spawn): Use expression location
        for error message.

2014-11-10  Paolo Carlini  <paolo.carlini@oracle.com>

        * c.opt ([Wshift-count-negative, Wshift-count-overflow]): Add.

2014-11-10  Edward Smith-Rowland  <3dw4rd@verizon.net>

        * c-cppbuiltin.c (__has_attribute, __has_cpp_attribute): New macros;
        (__cpp_rtti, __cpp_exceptions): New macros for C++98;
        (__cpp_range_based_for, __cpp_initializer_lists,
        __cpp_delegating_constructors, __cpp_nsdmi,
        __cpp_inheriting_constructors, __cpp_ref_qualifiers): New macros
        for C++11; (__cpp_attribute_deprecated): Remove in favor of
        __has_cpp_attribute.
        * c-lex.c (cb_has_attribute): New callback CPP function;
        (init_c_lex): Set has_attribute callback.

2014-11-04  Richard Biener  <rguenther@suse.de>

        * c-common.c (shorten_compare): Do not shorten mixed
        DFP and non-DFP compares.

2014-11-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

        * g++.dg/cpp1y/feat-cxx11.C: Commentary and rearrangement of tests.
        * g++.dg/cpp1y/feat-cxx11-neg.C: Add aggregate NSDMI test.
        Commentary and rearrangement of tests.
        * g++.dg/cpp1y/feat-cxx14.C: Enable aggregate NSDMI test.
        Commentary and rearrangement of tests.
        * g++.dg/cpp1y/feat-cxx98-neg.C: Ditto
        * g++.dg/cpp1y/feat-cxx98.C: Commentary.

2014-10-29  Richard Sandiford  <richard.sandiford@arm.com>

        * c-common.c, c-common.h, c-cppbuiltin.c, c-lex.c: Remove redundant
        enum from machine_mode.

2014-10-28  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Adjust include files.
        * c-gimplify.c: Ditto.
        * cilk.c: Ditto.
        * c-pragma.c: Ditto.
        * c-ubsan.c: Ditto.

2014-10-27  Andrew MacLeod  <amacleod@redhat.com>

        * c-gimplify.c: Adjust include files.

2014-10-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53061
        * c-opts.c (c_common_diagnostics_set_defaults): Renamed from
        c_common_initialize_diagnostics.
        * c-common.h: Likewise.

2014-10-24  Marek Polacek  <polacek@redhat.com>

        PR c/56980
        * c-pretty-print.c (c_pretty_printer::simple_type_specifier): Don't
        print "struct"/"union"/"enum" for typedefed names.

2014-10-23  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_shift): Perform the MINUS_EXPR
        in unsigned type.

2014-10-22  Jakub Jelinek  <jakub@redhat.com>
            Yury Gribov  <y.gribov@samsung.com>

        * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
        ubsan_instrument_vla): Check bits in flag_sanitize_recover bitmask
        instead of flag_sanitize_recover as bool flag.

2014-10-21  Kirill Yukhin  <kirill.yukhin@intel.com>

        * cilk.c: Revert previous change.

2014-10-20  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/63307
        * cilk.c: Include vec.h.
        (struct cilk_decls): New structure.
        (wrapper_parm_cb): Split this function to...
        (fill_decls_vec): ...this...
        (create_parm_list): ...and this.
        (compare_decls): New function.
        (for_local_cb): Remove.
        (wrapper_local_cb): Ditto.
        (build_wrapper_type): For now first traverse and fill vector of
        declarations then sort it and then deal with sorted vector.
        (cilk_outline): Ditto.
        (declare_one_free_variable): Ditto.

2014-10-17  Marek Polacek  <polacek@redhat.com>

        * c-opts.c (c_common_post_options): Set warn_implicit_int.
        * c.opt (Wimplicit-int): Initialize to -1.

2014-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * c-pragma.c: Adjust include files.
        * c-semantics.c: Likewise.

2014-10-16  DJ Delorie  <dj@redhat.com>

        * c-cppbuiltin.c (cpp_atomic_builtins): Don't assume pointers are
        multiples of bytes.

2014-10-14  Jason Merrill  <jason@redhat.com>

        PR c++/63455
        * c-common.h (CPP_PREPARSED_EXPR): New.
        (N_CP_TTYPES): Adjust.

2014-10-15  Marek Polacek  <polacek@redhat.com>

        * c-opts.c (c_common_init_options): Make -std=gnu11 the default for C.

2014-10-14  DJ Delorie  <dj@redhat.com>

        * c-pretty-print.c (pp_c_integer_constant): Check for all __intN
        types, not just __int128.
        * c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
        types, not just __int128.
        (cpp_atomic_builtins): Round pointer sizes up.
        (type_suffix): Use type precision, not specific types.
        * c-common.c (c_common_reswords): Remove __int128 special case.
        (c_common_type_for_size): Check for all __intN types, not just
        __int128.
        (c_common_type_for_mode): Likewise.
        (c_common_signed_or_unsigned_type): Likewise.
        (c_build_bitfield_integer_type): Likewise.
        (c_common_nodes_and_builtins): Likewise.
        (keyword_begins_type_specifier): Likewise.
        * c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
        __intN variants.

2014-10-12  Trevor Saunders  <tsaunders@mozilla.com>

        * c-common.c: Use hash_table instead of hashtab.

2014-10-06  Edward Smith-Rowland  <3dw4rd@verizon.net>

        * c-cppbuiltin.c: Move __cpp_attribute_deprecated to the
        C++11 section.

2014-10-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        PR c++/57198
        PR c++/58845
        * c-common.c (warn_logical_operator): Punt for vectors.

2014-10-01  Edward Smith-Rowland  <3dw4rd@verizon.net>

        Implement SD-6: SG10 Feature Test Recommendations
        * c-cppbuiltin.c (c_cpp_builtins()): Define language feature
        macros and the __has_header macro.

2014-09-30  Jason Merrill  <jason@redhat.com>

        * c-common.h (enum rid): Add RID_IS_TRIVIALLY_ASSIGNABLE and
        RID_IS_TRIVIALLY_CONSTRUCTIBLE.
        * c-common.c (c_common_reswords): Add __is_trivially_copyable.

        * c-common.h (enum rid): Add RID_IS_TRIVIALLY_COPYABLE.
        * c-common.c (c_common_reswords): Add __is_trivially_copyable.

        * c-common.h (enum rid): Remove RID_IS_CONVERTIBLE_TO.
        * c-common.c (c_common_reswords): Remove __is_convertible_to.

2014-09-24  Marek Polacek  <polacek@redhat.com>

        PR c/61405
        PR c/53874
        * c-common.h (struct c_common_resword): Don't define CPP_KEYWORD.

2014-09-23  Andi Kleen  <ak@linux.intel.com>

        * c-common.c (handle_no_reorder_attribute): New function.
        (c_common_attribute_table): Add no_reorder attribute.

2014-09-22  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define
        __LIBGCC_*_EXCESS_PRECISION__ macros for supported floating-point
        modes.

2014-09-18  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_*_FUNC_EXT__
        for supported floating-point modes.

2014-09-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wpsabi): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not handle here.

2014-09-12  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __LIBGCC_HAS_%s_MODE__
        macros for floating-point modes.

2014-09-11  Marc Glisse  <marc.glisse@inria.fr>

        PR target/58757
        * c-cppbuiltin.c (builtin_define_float_constants): Correct
        __*_DENORM_MIN__ without denormals.

2014-09-10  Jakub Jelinek  <jakub@redhat.com>

        * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
        ubsan_instrument_vla, ubsan_instrument_return): Adjust
        ubsan_create_data callers.
        (ubsan_instrument_bounds): Don't emit UBSAN_BOUNDS at all if
        index is constant or BIT_AND_EXPR with constant mask and is
        small enough for the bound.
        * c-gimplify.c (ubsan_walk_array_refs_r): For ADDR_EXPR of
        ARRAY_REF, make sure the inner ARRAY_REF is not walked again.

2014-09-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt: Add CppReason to various flags.
        (Wdate-time): Re-sort.
        * c-common.c: Include c-common.h earlier.
        (struct reason_option_codes_t): Delete.
        (c_option_controlling_cpp_error): Prefix global type and struct
        with cpp_.

2014-09-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wnormalized): New.
        (Wnormalized=): Use Enum and Reject Negative.
        * c-opts.c (c_common_handle_option): Do not handle Wnormalized here.

2014-09-08  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define macros for mantissa
        digits of floating-point modes if -fbuilding-libgcc.

2014-09-05  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Also define
        __LIBGCC_EH_TABLES_CAN_BE_READ_ONLY__,
        __LIBGCC_EH_FRAME_SECTION_NAME__, __LIBGCC_JCR_SECTION_NAME__,
        __LIBGCC_CTORS_SECTION_ASM_OP__, __LIBGCC_DTORS_SECTION_ASM_OP__,
        __LIBGCC_TEXT_SECTION_ASM_OP__, __LIBGCC_INIT_SECTION_ASM_OP__,
        __LIBGCC_INIT_ARRAY_SECTION_ASM_OP__,
        __LIBGCC_STACK_GROWS_DOWNWARD__,
        __LIBGCC_DONT_USE_BUILTIN_SETJMP__,
        __LIBGCC_DWARF_ALT_FRAME_RETURN_COLUMN__,
        __LIBGCC_DWARF_FRAME_REGISTERS__,
        __LIBGCC_EH_RETURN_STACKADJ_RTX__, __LIBGCC_JMP_BUF_SIZE__,
        __LIBGCC_STACK_POINTER_REGNUM__ and
        __LIBGCC_VTABLE_USES_DESCRIPTORS__ for -fbuilding-libgcc.
        (builtin_define_with_value): Handle backslash-escaping in string
        macro values.

2014-09-05  Richard Biener  <rguenther@suse.de>

        PR middle-end/63148
        * c-format.c (check_format_arg): Properly handle
        effectively signed POINTER_PLUS_EXPR offset.

2014-09-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wc90-c99-compat,Wc++-compat,Wcomment,Wendif-labels,
        Winvalid-pch,Wlong-long,Wmissing-include-dirs,Wmultichar,Wpedantic,
        (Wdate-time,Wtraditional,Wundef,Wvariadic-macros): Add CPP, Var
        and Init.
        * c-opts.c (c_common_handle_option): Do not handle here.
        (sanitize_cpp_opts): Likewise.
        * c-common.c (struct reason_option_codes_t): Handle
        CPP_W_C90_C99_COMPAT and CPP_W_PEDANTIC.

2014-09-03  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wlogical-not-parentheses): Enable by -Wall.

2014-09-02  Jakub Jelinek  <jakub@redhat.com>
            Balaji V. Iyer  <balaji.v.iyer@intel.com>
            Igor Zamyatin  <igor.zamyatin@intel.com>

        * c-cilkplus.c (cilk_for_number_of_iterations): New function.
        * c-common.c (c_common_reswords): Added _Cilk_for.
        * c-common.h (enum rid): Added RID_CILK_FOR.
        (cilk_for_number_of_iterations): Add declaration.
        * c-omp.c (c_finish_omp_for): Added checks for CILK_SIMD and
        CILK_FOR.
        * c-pragma.c (init_pragma): Register "grainsize" pragma.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_GRAINSIZE.

2014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wbuiltin-macro-redefined,Wdeprecated,Wendif-labels,
        Winvalid-pch,Wliteral-suffix,Wmissing-include-dirs,Wtrigraphs,
        Wundef): Use CPP, Var and Init.
        * c-opts.c (c_common_handle_option): Do not handle the above flags here.

2014-08-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wbuiltin-macro-redefined): Use CPP, Var and Init.
        * c-opts.c (c_common_handle_option): Do not handle here.

2014-08-25  Jason Merrill  <jason@redhat.com>

        * c.opt: Change -std=c++1y and -std=gnu++1y to be aliases for
        -std=c++14 and -std=gnu++14, rather than the reverse.
        * c-opts.c (c_common_handle_option): Change OPT_std_c__1y and
        OPT_std_gnu__1y to OPT_std_c__14 and OPT_std_gnu__14.
        * c-common.h (cxx_dialect): Remove cxx1y.

2014-08-23  Edward Smith-Rowland  <3dw4rd@verizon.net>

        * c-common.h (enum cxx_dialect): Add cxx14.
        * c-opts.c (set_std_cxx1y): Rename to set_std_cxx14; Use cxx14.
        * c-ubsan.c (ubsan_instrument_shift): Change comment and logic from
        cxx_dialect == cxx11 || cxx_dialect == cxx1y to cxx_dialect >= cxx11.

2014-08-22  Jason Merrill  <jason@redhat.com>

        * c.opt (std=gnu++17): Fix alias.

2014-08-22  Marek Polacek  <polacek@redhat.com>

        PR c++/62199
        * c-common.c (warn_logical_not_parentheses): Don't check LHS.  Don't
        check for vector types.  Drop LHS argument.
        * c-common.h (warn_logical_not_parentheses): Adjust.

2014-08-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wcomment): Use CPP, Var and LangEnabledBy.
        (Wmultichar): Likewise.
        (Wdate-time): Use C-family languages instead of Common. Use CPP
        and Var.
        * c-opts.c (c_common_handle_option): Do not handle the above
        options here.
        (sanitize_cpp_opts): Likewise.

2014-08-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/44054
        * c-opts.c: Include tree-diagnostics.h.
        (c_diagnostic_finalizer): New.
        (c_common_initialize_diagnostics): Use it.

2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR preprocessor/51303
        * c-common.c (struct reason_option_codes_t option_codes):
        Add CPP_W_MISSING_INCLUDE_DIRS. Sort alphabetically.

2014-08-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/60975
        PR c/53063
        * c.opt (Wvariadic-macros): Use CPP and LangEnabledBy.
        * c-opts.c (c_common_handle_option): Call cpp_handle_option_auto.
        (c_common_post_options): Call init_global_opts_from_cpp.
        (sanitize_cpp_opts): Do not handle Wvariadic-macros here.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        PR c++/62153
        * c-common.c (maybe_warn_bool_compare): New function.
        * c-common.h (maybe_warn_bool_compare): Declare.
        * c.opt (Wbool-compare): New option.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wc99-c11-compat): New option.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        * c-opts.c (sanitize_cpp_opts): Make warn_long_long be set according
        to warn_c90_c99_compat.
        * c.opt (Wc90-c99-compat, Wdeclaration-after-statement): Initialize
        to -1.

2014-08-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
            Steven Bosscher  <steven@gcc.gnu.org>

        PR c/52952
        * c-format.c: Add extra_arg_loc and format_string_loc to struct
        format_check_results.
        (check_function_format): Use true and add comment for boolean
        argument.
        (finish_dollar_format_checking): Use explicit location when warning.
        (check_format_info): Likewise.
        (check_format_arg): Set extra_arg_loc and format_string_loc.
        (check_format_info_main): Use explicit location when warning.
        (check_format_types): Pass explicit location.
        (format_type_warning): Likewise.

2014-08-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/44054
        * c-format.c: Handle Fortran flags.

2014-08-12  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR other/61962
        * array-notation-common.c (find_rank): Added handling for other
        types of references.

2014-08-10  Marek Polacek  <polacek@redhat.com>

        PR c/51849
        * c-opts.c (sanitize_cpp_opts): Pass warn_c90_c99_compat to libcpp.
        * c.opt (Wc90-c99-compat): Add option.

2014-08-07  Trevor Saunders  <tsaunders@mozilla.com>

        * c-gimplify.c, cilk.c: Remove includes of pointer-set.h.

2014-08-03  Marek Polacek  <polacek@redhat.com>

        * c-common.c (check_case_value):  Add location_t parameter.  Use it.
        (c_add_case_label): Pass loc to check_case_value.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

        * cilk.c: Use hash_map instead of pointer_map.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

        * c-gimplify.c: Use hash_set instead of pointer_set.

2014-08-01  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR middle-end/61455
        * array-notation-common.c (extract_array_notation_exprs): Handling
        of DECL_EXPR added.

2014-08-01  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (min_align_of_type): Removed prototype.
        * c-common.c (min_align_of_type): Removed.
        * c-ubsan.h (ubsan_maybe_instrument_reference,
        ubsan_maybe_instrument_member_call): New prototypes.
        * c-ubsan.c: Include stor-layout.h and builtins.h.
        (ubsan_maybe_instrument_reference_or_call,
        ubsan_maybe_instrument_reference, ubsan_maybe_instrument_call): New
        functions.

2014-07-31  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/60517
        * c.opt (-Wreturn-local-addr): Move to common.opt.

2014-07-30  Jason Merrill  <jason@redhat.com>

        PR c++/61659
        PR c++/61687
        Revert:
        * c.opt (-fuse-all-virtuals): New.

2014-07-30  Tom Tromey  <tromey@redhat.com>

        PR c/59855
        * c.opt (Wdesignated-init): New option.
        * c-common.c (c_common_attribute_table): Add "designated_init".
        (handle_designated_init): New function.

2014-07-24  Marek Polacek  <polacek@redhat.com>

        PR c/57653
        * c-opts.c (c_finish_options): If -imacros is in effect, return.

2014-07-16  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/60723 - missing system-ness marks for macro tokens
        * c-ppoutput.c (struct print::prev_was_system_token): New data
        member.
        (init_pp_output): Initialize it.
        (maybe_print_line_1, maybe_print_line, print_line_1, print_line)
        (do_line_change): Return a flag saying if a line marker was
        emitted or not.
        (scan_translation_unit): Detect if the system-ness of the token we
        are about to emit is different from the one of the previously
        emitted token.  If so, emit a line marker.  Avoid emitting useless
        adjacent line markers.  Avoid emitting line markers for tokens
        originating from the expansion of built-in macros.
        (scan_translation_unit_directives_only): Adjust.

2014-07-15  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_bounds): Don't instrument if
        TYPE_MAX_VALUE is NULL.

2014-07-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/61294
        * c.opt (Wmemset-transposed-args): New warning.

2014-07-10  Jason Merrill  <jason@redhat.com>

        PR c++/61659
        PR c++/61687
        * c.opt (-fuse-all-virtuals): New.

2014-07-09  Richard Biener  <rguenther@suse.de>

        PR c-family/61741
        * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
        using unsigned arithmetic if overflow does not wrap instead of
        if overflow is undefined.

2014-07-06  Marek Polacek  <polacek@redhat.com>

        PR c/6940
        * c.opt (Wsizeof-array-argument): New option.

2014-07-03  Jakub Jelinek  <jakub@redhat.com>

        * c-ada-spec.c (dump_ada_nodes): Don't call qsort if
        comments->count <= 1, as comments->entries might be NULL.

2014-07-01  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wint-conversion): New option.

2014-07-01  Marek Polacek  <polacek@redhat.com>

        PR c/58286
        * c.opt (Wincompatible-pointer-types): New option.

2014-06-30  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51400
        * c-common.c (handle_noreturn_attribute, handle_const_attribute):
        Do not discard TYPE_QUALS of type.

2014-06-26  Jason Merrill  <jason@redhat.com>

        * c-common.h (enum cxx_dialect): Add cxx1z.
        * c.opt (std=c++1z, std=c++17, std=gnu++1z, std=gnu++17): New.
        * c-opts.c (c_common_handle_option, set_std_cxx1z): Handle it.

2014-06-26  Teresa Johnson  <tejohnson@google.com>

        * c-common.h (get_dump_info): Declare.
        * c-gimplify.c (c_genericize): Use saved dump files.
        * c-opts.c (c_common_parse_file): Begin and end dumps
        once around parsing invocation.
        (get_dump_info): New function.

2014-06-23  Marek Polacek  <polacek@redhat.com>
            Andrew MacLeod  <amacleod@redhat.com>

        PR c/61553
        * c-common.c (get_atomic_generic_size): Don't segfault if the
        type doesn't have a size.

2014-06-20  Marek Polacek  <polacek@redhat.com>

        * c-gimplify.c: Include "c-ubsan.h" and "pointer-set.h".
        (ubsan_walk_array_refs_r): New function.
        (c_genericize): Instrument array bounds.
        * c-ubsan.c: Include "internal-fn.h".
        (ubsan_instrument_division): Mark instrumented arrays as having
        side effects.  Adjust ubsan_type_descriptor call.
        (ubsan_instrument_shift): Likewise.
        (ubsan_instrument_vla): Adjust ubsan_type_descriptor call.
        (ubsan_instrument_bounds): New function.
        (ubsan_array_ref_instrumented_p): New function.
        (ubsan_maybe_instrument_array_ref): New function.
        * c-ubsan.h (ubsan_instrument_bounds): Declare.
        (ubsan_array_ref_instrumented_p): Declare.
        (ubsan_maybe_instrument_array_ref): Declare.

2014-06-20  Hale Wang  <hale.wang@arm.com>

        PR lto/61123
        * c.opt (fshort-enums): Add to LTO.
        * c.opt (fshort-wchar): Likewise.

2014-06-16  Marek Polacek  <polacek@redhat.com>

        PR c/60439
        * c.opt (Wswitch-bool): Add Var.

2014-06-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/61486
        * c-omp.c (c_omp_split_clauses): Don't crash on firstprivate in
        #pragma omp target teams or
        #pragma omp {,target }teams distribute simd.

2014-06-12  Jason Merrill  <jason@redhat.com>

        * c.opt (Wabi=, fabi-compat-version): New.
        * c-opts.c (c_common_handle_option): Handle -Wabi=.
        (c_common_post_options): Handle flag_abi_compat_version default.
        Disallow -fabi-compat-version=1.
        * c-common.h (abi_version_crosses): New.

2014-06-11  Jan Hubicka  <hubicka@ucw.cz>

        * c-common.c (handle_section_attribute): Update handling for
        section names that are no longer trees.

2014-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/60928
        * c-pragma.c (omp_pragmas_simd): Move PRAGMA_OMP_TASK...
        (omp_pragmas): ... back here.

2014-06-05  Marek Polacek  <polacek@redhat.com>

        PR c/49706
        * c-common.c (warn_logical_not_parentheses): New function.
        * c-common.h (warn_logical_not_parentheses): Declare.
        * c.opt (Wlogical-not-parentheses): New option.

2014-06-04  Marek Polacek  <polacek@redhat.com>

        PR c/30020
        * c-common.c (check_case_bounds): Add location parameter.
        Use it.
        (c_add_case_label): Pass loc to check_case_bounds.

2014-06-03  Marek Polacek  <polacek@redhat.com>

        PR c/60439
        * c.opt (Wswitch-bool): New option.

2014-05-22  Thomas Schwinge  <thomas@codesourcery.com>

        * c-common.h (c_omp_sharing_predetermined, c_omp_remap_decl):
        Remove prototypes.
        (record_types_used_by_current_var_decl): Move prototype to where
        it belongs.

        * c-common.c (DEF_FUNCTION_TYPE_0, DEF_FUNCTION_TYPE_6)
        (DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_8)
        (DEF_FUNCTION_TYPE_VAR_5): Cosmetic fixes.

2014-05-21  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * c-common.h (CTI_VOID_ZERO, void_zero_node): Delete.
        * c-common.c (c_common_nodes_and_builtins): Don't initialize
        void_zero_node.
        * c-pretty-print.c (pp_c_void_constant): New function.
        (c_pretty_printer::constant, c_pretty_printer::primary_expression)
        (c_pretty_printer::expression): Handle VOID_CST.
        * cilk.c (extract_free_variables): Likewise.
        * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift)
        (ubsan_instrument_vla): Use void_node instead of void_zero_node.

2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>

        * c-common.h (sorted_fields_type): Remove variable_size GTY attribute.
        * c-pragma.c (push_alignment): Adjust.
        (handle_pragma_push_options): Likewise.

2014-05-09  Marek Polacek  <polacek@redhat.com>

        PR c/50459
        * c-common.c (check_user_alignment): Return -1 if alignment is error
        node.
        (handle_aligned_attribute): Don't call default_conversion on
        FUNCTION_DECLs.
        (handle_vector_size_attribute): Likewise.
        (handle_tm_wrap_attribute): Handle case when wrap_decl is error node.
        (handle_sentinel_attribute): Call default_conversion and allow even
        integral types as an argument.

2014-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/61053
        * c-common.c (min_align_of_type): New function factored out from...
        (c_sizeof_or_alignof_type): ...here.
        * c-common.h (min_align_of_type): Declare.

2014-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/61077
        * c-common.c (check_main_parameter_types): Warn for _Atomic-qualified
        parameter type of main.

2014-05-07  DJ Delorie  <dj@redhat.com>

        * c-cppbuiltin.c (print_bits_of_hex): New.
        (builtin_define_type_minmax): Print values using hex so as not to
        require a pre-computed list of string values.

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Mike Stump  <mikestump@comcast.net>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * c-ada-spec.c: Include wide-int.h.
        (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Remove.
        (dump_generic_ada_node): Use wide-int interfaces.
        * c-common.c: Include wide-int-print.h.
        (shorten_compare): Use wide-int interfaces and tree_int_cst_lt.
        (pointer_int_sum): Use wide-int interfaces.
        (c_common_nodes_and_builtins): Use make_int_cst.
        (match_case_to_enum_1): Use tree_fits_uhwi_p and tree_fits_shwi_p.
        (handle_alloc_size_attribute): Use wide-int interfaces.
        (get_nonnull_operand): Likewise.
        * c-format.c (get_constant): Use tree_fits_uhwi_p.
        * c-lex.c: Include wide-int.h.
        (narrowest_unsigned_type): Take a widest_int rather than two
        HOST_WIDE_INTs.
        (narrowest_signed_type): Likewise.
        (interpret_integer): Update accordingly.  Use wide-int interfaces.
        (lex_charconst): Use wide-int interfaces.
        * c-pretty-print.c: Include wide-int.h.
        (pp_c_integer_constant): Use wide-int interfaces.
        * cilk.c (declare_one_free_variable): Use tree_int_cst_lt instead of
        INT_CST_LT_UNSIGNED.

2014-05-06  Richard Biener  <rguenther@suse.de>

        * c-opts.c (c_common_post_options): For -freestanding,
        -fno-hosted and -fno-builtin disable pattern recognition
        if not enabled explicitely.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        * c.opt (Wsizeof-pointer-memaccess): Describe option.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/43245
        * c.opt (Wdiscarded-qualifiers): Add.

2014-04-30  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_division): Handle REAL_TYPEs.  Perform
        INT_MIN / -1 sanitization only for integer types.

2014-04-25  Marek Polacek  <polacek@redhat.com>

        PR c/18079
        * c-common.c (handle_noinline_attribute): Warn if the attribute
        conflicts with always_inline attribute.
        (handle_always_inline_attribute): Warn if the attribute conflicts
        with noinline attribute.

2014-04-25  Marek Polacek  <polacek@redhat.com>

        PR c/60156
        * c-common.c (check_main_parameter_types): Warn about variadic main.

2014-04-24  Mike Stump  <mikestump@comcast.net>

        * c.opt (Wshadow-ivar): Default to on.

2014-04-24  Dimitris Papavasiliou  <dpapavas@gmail.com>

        * c.opt (Wshadow-ivar, flocal-ivars, fivar-visibility): Add.

2014-04-23  Marek Polacek  <polacek@redhat.com>

        * c-common.c (handle_tm_wrap_attribute): Tweak error message.

2014-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/60275
        * c-ubsan.c (ubsan_instrument_return): Return __builtin_trap ()
        if flag_sanitize_undefined_trap_on_error.
        (ubsan_instrument_division, ubsan_instrument_shift,
        ubsan_instrument_vla): Likewise.  Use __ubsan_handle_*_abort ()
        if !flag_sanitize_recover.

2014-04-22  Marc Glisse  <marc.glisse@inria.fr>

        PR libstdc++/43622
        * c-common.c (registered_builtin_types): Make non-static.
        * c-common.h (registered_builtin_types): Declare.

2014-04-14  Richard Biener  <rguenther@suse.de>
        Marc Glisse  <marc.glisse@inria.fr>

        PR c/60819
        * c-common.c (convert_vector_to_pointer_for_subscript): Properly
        apply may-alias the scalar pointer type when applicable.

2014-04-12  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR middle-end/60467
        * cilk.c (cilk_set_spawn_marker): Remove FUNCTION_DECL
        as possible argument for Cilk_spawn.

2014-04-11  Tobias Burnus  <burnus@net-b.de>

        PR c/60194
        * c.opt (Wformat-signedness): Add
        * c-format.c(check_format_types): Use it.

2014-04-11  Jason Merrill  <jason@redhat.com>

        PR c++/57926
        * c-common.c (sync_resolve_size, get_atomic_generic_size): Call
        default_conversion for an array argument.

2014-04-08  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/60745
        * c-ubsan.c: Include asan.h.
        (ubsan_instrument_return): Call initialize_sanitizer_builtins.

2014-04-03  Nathan Sidwell  <nathan@codesourcery.com>

        * c.opt (Wnon-virtual-dtor): Auto set when Weffc++.

2014-04-02  Marek Polacek  <polacek@redhat.com>

        * c-common.h (c_expand_expr): Remove declaration.

2014-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR c++/60689
        * c-common.c (add_atomic_size_parameter): When creating new
        params vector, push the size argument first.

2014-03-26  Jakub Jelinek  <jakub@redhat.com>

        * c-ubsan.c (ubsan_instrument_division, ubsan_instrument_shift,
        ubsan_instrument_vla, ubsan_instrument_return): Adjust
        ubsan_create_data callers.

2014-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR debug/60603
        * c-opts.c (c_finish_options): Restore cb_file_change call to
        <built-in>.

2014-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36282
        * c-pragma.c (apply_pragma_weak): Only look at
        TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) if
        DECL_ASSEMBLER_NAME_SET_P (decl).
        (maybe_apply_pending_pragma_weaks): Exit early if
        vec_safe_is_empty (pending_weaks) rather than only when
        !pending_weaks.
        (maybe_apply_pragma_weak): Likewise.  If !DECL_ASSEMBLER_NAME_SET_P,
        set assembler name back to NULL afterwards.

2014-03-11  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -std=gnu++14.

2014-03-11  Ian Bolton  <ian.bolton@arm.com>

        * c-opts.c (c_common_post_options): Don't override
        -ffp-contract=fast if unsafe-math-optimizations is on.

2014-03-08  Paulo Matos  <paulo@matos-sorge.com>

        * c.opt: Enable LTO FE for fshort-double.

2014-03-07  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -std=c++14.

2014-03-06  Marek Polacek  <polacek@redhat.com>

        PR c/60197
        * cilk.c (contains_cilk_spawn_stmt): New function.
        (contains_cilk_spawn_stmt_walker): Likewise.
        (recognize_spawn): Give error on invalid use of _Cilk_spawn.
        * c-common.h (contains_cilk_spawn_stmt): Add declaration.

2014-03-03  Jakub Jelinek  <jakub@redhat.com>

        * c-pragma.c (c_pp_lookup_pragma): Handle PRAGMA_CILK_SIMD.
        (init_pragma): Call cpp_register_deferred_pragma for PRAGMA_CILK_SIMD
        even when flag_preprocess_only.

2014-02-26  Jason Merrill  <jason@redhat.com>

        PR c++/59231
        PR c++/11586
        * c-common.c (shorten_compare): Don't check
        c_inhibit_evaluation_warnings.

2014-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/37743
        * c-common.c (c_common_nodes_and_builtins): When initializing
        c_uint{16,32,64}_type_node, also set corresponding
        uint{16,32,64}_type_node to the same value.

        PR c++/60267
        * c-pragma.c (init_pragma): Don't call cpp_register_deferred_pragma
        for PRAGMA_IVDEP if flag_preprocess_only.

2014-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/60101
        * c-common.c (merge_tlist): If copy is true, call new_tlist,
        if false, add ADD itself, rather than vice versa.
        (verify_tree): For COND_EXPR, don't call merge_tlist with non-zero
        copy.  For SAVE_EXPR, only call merge_tlist once.

2014-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/60092
        * c-common.c (handle_alloc_size_attribute): Use tree_fits_uhwi_p
        and tree_to_uhwi.
        (handle_alloc_align_attribute, handle_assume_aligned_attribute): New
        functions.
        (c_common_attribute_table): Add alloc_align and assume_aligned
        attributes.

2014-02-06  Marek Polacek  <polacek@redhat.com>

        PR c/60087
        * c-common.c (warn_for_sign_compare): Call warning_at with location
        instead of warning.

2014-02-05  Marek Polacek  <polacek@redhat.com>

        PR c/53123
        * c-omp.c (c_finish_omp_atomic): Remove unreachable return
        statement.

2014-02-04  Marek Polacek  <polacek@redhat.com>

        PR c/60036
        * c-common.c (conversion_warning): Unwrap C_MAYBE_CONST_EXPR and/or
        SAVE_EXPR.

2014-02-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/53017
        PR c++/59211
        * c-common.c (handle_aligned_attribute, handle_alloc_size_attribute,
        handle_vector_size_attribute, handle_nonnull_attribute): Call
        default_conversion on the attribute argument.
        (handle_nonnull_attribute): Increment the argument number.

2014-01-31  Marek Polacek  <polacek@redhat.com>

        PR c/59963
        * c-common.c (add_atomic_size_parameter): Pass vNULL to
        build_function_call_vec.
        (resolve_overloaded_builtin): Likewise.
        * c-common.h (build_function_call_vec): Adjust declaration.

2014-01-30  Marek Polacek  <polacek@redhat.com>

        PR c/59940
        * c-common.h (unsafe_conversion_p): Adjust declaration.
        (warnings_for_convert_and_check): Likewise.
        (convert_and_check): Likewise.
        * c-common.c (unsafe_conversion_p): Add location parameter.  Call
        expansion_point_location_if_in_system_header on it.
        (warnings_for_convert_and_check): Add location parameter.  Call
        expansion_point_location_if_in_system_header on it.  Use it.
        (convert_and_check): Add location parameter.  Use it.
        (conversion_warning): Likewise.
        (c_add_case_label): Adjust convert_and_check calls.
        (scalar_to_vector): Adjust unsafe_conversion_p calls.

2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.c (c_define_builtins): Replaced flag_enable_cilkplus with
        flag_cilkplus.
        * c-pragma.c (init_pragma): Likewise.
        * c.opt: Likewise.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/59846
        * c-common.c (shorten_compare): Add location_t parameter.
        * c-common.h (shorten_binary_op): Adjust declaration.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/58346
        * c-common.c (pointer_to_zero_sized_aggr_p): New function.
        * c-common.h: Declare it.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (dump_ada_specs): Revert prototype change.
        * c-ada-spec.c (dump_ads): Likewise.
        (cpp_check): Likewise.
        (dump_ada_specs): Likewise.

2014-01-15  Laurent Alfonsi  <laurent.alfonsi@st.com>

        PR c++/49718
        * c-common.c (handle_no_instrument_function_attribute): Allow
        no_instrument_function attribute in class member
        definition/declaration.

2014-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/58943
        * c-omp.c (c_finish_omp_atomic): Set in_late_binary_op around
        build_modify_expr with non-NOP_EXPR opcode.  Handle return from it
        being COMPOUND_EXPR.
        (c_finish_omp_for): Handle incr being COMPOUND_EXPR with first
        operand a SAVE_EXPR and second MODIFY_EXPR.

2014-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/58115
        * c-pch.c (c_common_write_pch): Call
        prepare_target_option_nodes_for_pch.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * array-notation-common.c, c-cilkplus.c: Use the standard form for
        the copyright notice.

2013-12-28  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (print_constructor): New function.
        (print_destructor): Retrieve the origin of the destructor.
        (print_ada_declaration): Revamp handling of constructors/destructors.

2013-12-23  Stuart Hastings  <stuart@apple.com>
            Bill Maddox  <maddox@google.com>
            Jason Merrill  <jason@redhat.com>

        * c.opt: Add -fdeclone-ctor-dtor.
        * c-opts.c (c_common_post_options): Default to on iff -Os.

2013-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.c (c_common_attribute_table): Added "cilk simd function"
        attribute.
        * c-pragma.h (enum pragma_cilk_clause): Remove.
        (enum pragma_omp_clause):  Added the following fields:
        PRAGMA_CILK_CLAUSE_NOMASK, PRAGMA_CILK_CLAUSE_MASK,
        PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_NONE,
        PRAGMA_CILK_CLAUSE_LINEAR, PRAGMA_CILK_CLAUSE_PRIVATE,
        PRAGMA_CILK_CLAUSE_FIRSTPRIVATE, PRAGMA_CILK_CLAUSE_LASTPRIVATE,
        PRAGMA_CILK_CLAUSE_UNIFORM.


2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * cilk.c (cilk_outline): Made this function non-static.
        (gimplify_cilk_spawn): Removed pre_p and post_p arguments.
        (create_cilk_wrapper): Added a new parameter: a function pointer.
        (c_install_body_w_frame_cleanup): Remove
        (extract_free_variables): Added VEC_INIT_EXPR and CONSTRUCTOR case.
        * c-common.h (cilk_outline): New prototype.
        (gimplify_cilk_spawn): Removed two parameters.
        (cilk_install_body_with_frame_cleanup): New prototype.
        * c-gimplify.c (c_gimplify_expr): Added MODIFY_EXPR, CALL_EXPR and
        CILK_SPAWN_STMT case.

2013-12-11  Bernd Schmidt  <bernds@codesourcery.com>

        * c-common.c (c_fully_fold_internal): Handle ADDR_SPACE_CONVERT_EXPR.

        * c-common.h (enum c_tree_index): Remove CTI_INT_ARRAY_TYPE.
        (int_array_type_node): Remove.
        * c-common.c (c_common_nodes_and_builtins): Don't build it.

2013-12-05  Marek Polacek  <polacek@redhat.com>

        PR c/52023
        * c-common.c (c_sizeof_or_alignof_type): Move a declaration into
        [ADJUST_FIELD_ALIGN].

2013-12-04  Joseph Myers  <joseph@codesourcery.com>

        PR c/52023
        * c-common.c (c_sizeof_or_alignof_type): Add parameter min_alignof
        and check field alignment if set.
        * c-common.h (c_sizeof_or_alignof_type): Update prototype.
        (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.

2013-12-04  Jakub Jelinek  <jakub@redhat.com>
            Marek Polacek  <polacek@redhat.com>

        * c-gimplify.c (c_gimplify_expr): If doing the integer-overflow
        sanitization, call unsigned_type_for only when !TYPE_OVERFLOW_WRAPS.

2013-11-29   H.J. Lu  <hongjiu.lu@intel.com>

        PR c/59309
        * cilk.c (gimplify_cilk_spawn): Properly handle function without
        arguments.

2013-11-29  Jakub Jelinek  <jakub@redhat.com>

        PR c/59280
        * c-common.c (get_priority): If TREE_VALUE (args) is IDENTIFIER_NODE,
        goto invalid.  If it is error_mark_node, don't issue further
        diagnostics.

2013-11-28  Sergey Ostanevich  <sergos.gnu@gmail.com>

        * c.opt (Wopenmp-simd): New.

2013-11-22  Jakub Jelinek  <jakub@redhat.com>

        * c-ubsan.h (ubsan_instrument_return): New prototype.
        * c-ubsan.c (ubsan_instrument_return): New function.

2013-11-22  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Add required include files from gimple.h.
        * c-gimplify.c: Likewise
        * cilk.c: Likewise

2013-11-22  David Malcolm  <dmalcolm@redhat.com>

        * c-common.c (unsafe_conversion_p): Remove use of
        EXPR_LOC_OR_HERE macro.
        (conversion_warning): Likewise.
        (warnings_for_convert_and_check): Likewise.
        (warn_for_collisions_1): Likewise.
        (shorten_compare): Likewise, and remove use of in_system_header
        macro, using the location from the former.
        * c-lex.c (dump_one_header): Remove use of input_filename macro.
        (cb_def_pragma): Remove use of in_system_header macro.
        (lex_string): Likewise.
        * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.

2013-11-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Mike Stump  <mikestump@comcast.net>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * c-ada-spec.c (is_simple_enum): Use tree_to_shwi and tree_to_uhwi
        instead of TREE_INT_CST_LOW, in cases where there is a protecting
        tree_fits_shwi_p or tree_fits_uhwi_p.
        (dump_generic_ada_node): Likewise.
        * c-format.c (check_format_arg): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.

2013-11-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * c-common.c (check_function_arguments_recurse): Use tree_to_uhwi.

2013-11-19  Joshua J Cogliati  <jrincayc@yahoo.com>

        PR c/53001
        * c-common.c (unsafe_conversion_p): Make this function
        return an enumeration with more detail.
        (conversion_warning): Use the new return type of
        unsafe_conversion_p to separately warn either about conversions
        that lower floating point number precision or about the other
        kinds of conversions.
        * c-common.h (enum conversion_safety): New enumeration.
        (unsafe_conversion_p): switching return type to
        conversion_safety enumeration.
        * c.opt: Adding new warning -Wfloat-conversion and
        enabling it with -Wconversion.

2013-11-19  Basile Starynkevitch  <basile@starynkevitch.net>

        * c-opts.c: Include plugin.h.
        (cb_file_change): Invoke plugin event PLUGIN_INCLUDE_FILE.

2013-11-19  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c (ubsan_instrument_division): Adjust ubsan_create_data
        call.
        (ubsan_instrument_shift): Likewise.
        (ubsan_instrument_vla): Likewise.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-common.c (convert_vector_to_pointer_for_subscript): Remove
        cast to unsigned type.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-common.c (fold_offsetof_1): Use tree_to_uhwi rather than
        tree_low_cst.
        (complete_array_type): Update comment to refer to tree_to_[su]hwi
        rather than tree_low_cst.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-common.c, c-cppbuiltin.c: Replace tree_low_cst (..., 1) with
        tree_to_uhwi throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-common.c, c-format.c, c-omp.c, c-pretty-print.c: Replace
        tree_low_cst (..., 0) with tree_to_shwi throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-ada-spec.c, c-common.c, c-pretty-print.c: Replace
        host_integerp (..., 1) with tree_fits_uhwi_p throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-ada-spec.c, c-common.c, c-format.c, c-pretty-print.c: Replace
        host_integerp (..., 0) with tree_fits_shwi_p throughout.

2013-11-15  Aldy Hernandez  <aldyh@redhat.com>

        * c-cilkplus.c: New file.
        * c-common.c (readonly_error): Add location argument.
        * c-common.h (readonly_error): Same.
        (c_finish_cilk_clauses): Protoize.
        (c_check_cilk_loop): Same.
        c-omp.c (c_finish_omp_for): Handle CILK_SIMD nodes.
        Do not fail on error_mark_node.
        Abstract increment canonicalization to here...
        (c_omp_for_incr_canonicalize_ptr): New.
        c-pragma.c (init_pragma): Register "simd" pragma.
        c-pragma.h (enum pragma_kind): Add PRAGMA_CILK_SIMD.
        (enum pragma_cilk_clause): New.

2013-11-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-pretty-print.c (pp_c_character_constant): Remove unnecessary
        wchar_type and host_integerp checks.

2013-11-14  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Likewise.
        * c-gimplify.c: Likewise.
        * cilk.c: Likewise.

2013-11-14  Diego Novillo  <dnovillo@google.com>

        * c-common.c: Include fold-const.h.
        Include stor-layout.h.
        Include calls.h.
        Include stringpool.h.
        Include attribs.h.
        Include varasm.h.
        Include trans-mem.h.
        * c-cppbuiltin.c: Include stor-layout.h.
        Include stringpool.h.
        * c-format.c: Include stringpool.h.
        * c-lex.c: Include stringpool.h.
        Include stor-layout.h.
        * c-pragma.c: Include stringpool.h.
        Include attribs.h.
        Include varasm.h.
        Include gcc-symtab.h.
        * c-pretty-print.c: Include stor-layout.h.
        Include attribs.h.
        * cilk.c: Include stringpool.h.
        Include calls.h.

2013-11-13  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (enum rid): Add RID_AUTO_TYPE.
        * c-common.c (c_common_reswords): Add __auto_type.
        (keyword_begins_type_specifier): Handle RID_AUTO_TYPE.

2013-11-12  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Include gimplify.h.
        * c-gimplify.c: Likewise.
        * cilk.c: Likewise.
        * c-omp.c: Include gimple-expr.h instead of gimple.h.
        * c-ubsan.c: Don't include gimple.h.

2013-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Thread_local.

2013-11-09  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (atomic_size_supported_p): New function.
        (resolve_overloaded_atomic_exchange)
        (resolve_overloaded_atomic_compare_exchange)
        (resolve_overloaded_atomic_load, resolve_overloaded_atomic_store):
        Use it instead of comparing size with a local list of sizes.

2013-11-07  Andrew MacLeod  <amacleod@redhat.com>
            Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (enum rid): Add RID_ATOMIC.
        * c-common.c (c_common_reswords): Add _Atomic.
        (sync_resolve_params): Use TYPE_MAIN_VARIANT on pointer argument.
        (keyword_is_type_qualifier): Accept RID_ATOMIC.
        * c-format.c (check_format_types): Check for extra _Atomic
        qualifiers in format argument.
        * c-pretty-print.c (pp_c_cv_qualifiers): Handle atomic qualifier.
        (pp_c_type_qualifier_list): Mention _Atomic in comment.

2013-11-06  Tobias Burnus  <burnus@net-b.de>

        * c-common.c (reason_option_codes_t): Add CPP_W_DATE_TIME.

2013-11-06  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_post_options): Set -ffp-contract=off in C
        standards modes.
        * c-cppbuiltin.c (cpp_iec_559_value): Consider -ffp-contract=fast
        to mean lack of IEEE 754 support.

2013-11-05  Tobias Burnus  <burnus@net-b.de>

        * c.opt (-Wdate-time): New option
        * c-opts.c (sanitize_cpp_opts): Pass on to libcpp.

2013-11-05  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (cpp_iec_559_value): Test
        flag_excess_precision_cmdline not flag_excess_precision.

2013-11-05  Tobias Burnus  <burnus@net-b.de>

        * c.opt (fopenmp-simd): New option.
        * c-pragma.c (omp_pragmas): Move pragmas which can contain simd to ...
        (omp_pragmas): ... this new struct.
        (c_pp_lookup_pragma): Also walk omp_pragmas.
        (init_pragma): Init pragmas for -fopenmp-simd.

2013-11-04  Marek Polacek  <polacek@redhat.com>

        PR c++/58979
        * c-common.c (invalid_indirection_error): Handle RO_ARROW_STAR case.

2013-11-04  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (cpp_iec_559_value, cpp_iec_559_complex_value):
        New functions.
        (c_cpp_builtins): Define __GCC_IEC_559 and __GCC_IEC_559_COMPLEX.

2013-11-04  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.h (cpp_operation): Add IS_TRIVIAL.
        (dump_ada_specs): Adjust prototype of second callback.
        * c-ada-spec.c (cpp_check): New global variable.
        (dump_ada_nodes): Remove cpp_check parameter and do not pass it down.
        (print_generic_ada_decl): Likewise.
        (has_static_fields): Change return type to bool and add guard.
        (has_nontrivial_methods): New predicate.
        (is_tagged_type): Change return type to bool.
        (separate_class_package): Call has_nontrivial_methods.
        (pp_ada_tree_identifier): Minor tweaks.
        (dump_ada_function_declaration): Adjust calls to dump_generic_ada_node.
        (dump_ada_array_domains): Likewise.
        (dump_ada_array_type): Likewise.
        (dump_template_types): Remove cpp_check parameter and do not pass it to
        dump_generic_ada_node.
        (dump_ada_template): Likewise.
        (dump_generic_ada_node): Remove cpp_check parameter and do not pass it
        recursively.
        (print_ada_methods): Change return type to integer.  Remove cpp_check
        parameter and do not pass it down.
        (dump_nested_types): Remove cpp_check parameter and do not pass it to
        dump_generic_ada_node.
        (print_ada_declaration): Likewise.  Test RECORD_OR_UNION_TYPE_P before
        accessing methods.
        (print_ada_struct_decl): Remove cpp_check parameter and do not pass it
        down.  Use has_nontrivial_methods to recognize C++ classes.  Use return
        value of print_ada_methods.
        (dump_ads): Rename cpp_check parameter to check and adjust prototype.
        Set cpp_check to it before invoking dump_ada_nodes.
        (dump_ada_specs): Likewise.

2013-11-03  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c: Don't include hash-table.h.
        (ubsan_instrument_vla): New function.
        * c-ubsan.h: Declare it.

2013-10-31  David Malcolm  <dmalcolm@redhat.com>

        Automated part of renaming of symtab_node_base to symtab_node.

        Patch autogenerated by rename_symtab.py from
        https://github.com/davidmalcolm/gcc-refactoring-scripts
        revision 58bb219cc090b2f4516a9297d868c245495ee622

        * c-pragma.c (maybe_apply_pending_pragma_weaks): Rename
        symtab_node_base to symtab_node.

2013-10-31  Edward Smith-Rowland  <3dw4rd@verizon.net>

        Implement C++14 digit separators.
        * c-lex.c (interpret_float): Remove digit separators from scratch string
        before building real literal.

2013-10-30  Jakub Jelinek  <jakub@redhat.com>

        * cilk.c (create_cilk_helper_decl): Use HOST_WIDE_INT_PRINT_DEC.

2013-10-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.c (c_common_reswords[]): Added _Cilk_spawn and _Cilk_sync
        fields.
        (c_define_builtins): Called cilk_init_builtins if Cilk Plus is
        enabled.
        * c-common.h (enum rid): Added RID_CILK_SPAWN and RID_CILK_SYNC.
        (insert_cilk_frame): New prototype.
        (cilk_init_builtins): Likewise.
        (gimplify_cilk_spawn): Likewise.
        (c_cilk_install_body_w_frame_cleanup): Likewise.
        (cilk_detect_spawn_and_unwrap): Likewise.
        (cilk_set_spawn_marker): Likewise.
        (build_cilk_sync): Likewise.
        (build_cilk_spawn): Likewise.
        * cilk.c: New file.

2013-10-29  David Malcolm  <dmalcolm@redhat.com>

        Patch autogenerated by refactor_symtab.py from
        https://github.com/davidmalcolm/gcc-refactoring-scripts
        revision 58bb219cc090b2f4516a9297d868c245495ee622

        * c-gimplify.c (c_genericize): Update for conversion of symtab types
        to a true class hierarchy.
        * c-pragma.c (maybe_apply_pending_pragma_weaks): Likewise.

2013-10-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-lex.c (interpret_integer): Remove call to cpp_num_sign_extend.

2013-10-26  Jeff Law  <law@redhat.com>

        * c-common.c (c_define_builtins): Remove mudflap support.
        * c.opt: Ignore and warn for mudflap options.

2013-10-24  Tobias Burnus  <burnus@net-b.de>

        PR other/33426
        * c-pragma.c (init_pragma) Add #pragma ivdep handling.
        * c-pragma.h (pragma_kind): Add PRAGMA_IVDEP.

2013-10-23  Jason Merrill  <jason@redhat.com>

        * c-format.c (gcc_cxxdiag_char_table): Add %X.

2013-10-11  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (omp_clause_mask::operator !=): New method.
        * c-omp.c (c_omp_split_clauses): Use if ((mask & something) != 0)
        instead of if (mask & something) tests everywhere.

        * c-cppbuiltin.c (c_cpp_builtins): Predefine _OPENMP to
        201307 instead of 201107.
        * c-common.c (DEF_FUNCTION_TYPE_8): Define.
        (c_common_attribute_table): Add "omp declare target" and
        "omp declare simd" attributes.
        (handle_omp_declare_target_attribute,
        handle_omp_declare_simd_attribute): New functions.
        * c-omp.c: Include c-pragma.h.
        (c_finish_omp_taskgroup): New function.
        (c_finish_omp_atomic): Add swapped argument, if true,
        build the operation first with rhs, lhs arguments and use NOP_EXPR
        build_modify_expr.
        (c_finish_omp_for): Add code argument, pass it down to make_code.
        (c_omp_split_clauses): New function.
        (c_split_parallel_clauses): Removed.
        (c_omp_declare_simd_clause_cmp, c_omp_declare_simd_clauses_to_numbers,
        c_omp_declare_simd_clauses_to_decls): New functions.
        * c-common.h (omp_clause_mask): New type.
        (OMP_CLAUSE_MASK_1): Define.
        (omp_clause_mask::omp_clause_mask, omp_clause_mask::operator &=,
        omp_clause_mask::operator |=, omp_clause_mask::operator ~,
        omp_clause_mask::operator |, omp_clause_mask::operator &,
        omp_clause_mask::operator <<, omp_clause_mask::operator >>,
        omp_clause_mask::operator ==): New methods.
        (enum c_omp_clause_split): New.
        (c_finish_omp_taskgroup): New prototype.
        (c_finish_omp_atomic): Add swapped argument.
        (c_finish_omp_for): Add code argument.
        (c_omp_split_clauses): New prototype.
        (c_split_parallel_clauses): Removed.
        (c_omp_declare_simd_clauses_to_numbers,
        c_omp_declare_simd_clauses_to_decls): New prototypes.
        * c-pragma.c (omp_pragmas): Add new OpenMP 4.0 constructs.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_CANCEL,
        PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_DECLARE_REDUCTION,
        PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_SIMD,
        PRAGMA_OMP_TARGET, PRAGMA_OMP_TASKGROUP and PRAGMA_OMP_TEAMS.
        Remove PRAGMA_OMP_PARALLEL_FOR and PRAGMA_OMP_PARALLEL_SECTIONS.
        (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_ALIGNED,
        PRAGMA_OMP_CLAUSE_DEPEND, PRAGMA_OMP_CLAUSE_DEVICE,
        PRAGMA_OMP_CLAUSE_DIST_SCHEDULE, PRAGMA_OMP_CLAUSE_FOR,
        PRAGMA_OMP_CLAUSE_FROM, PRAGMA_OMP_CLAUSE_INBRANCH,
        PRAGMA_OMP_CLAUSE_LINEAR, PRAGMA_OMP_CLAUSE_MAP,
        PRAGMA_OMP_CLAUSE_NOTINBRANCH, PRAGMA_OMP_CLAUSE_NUM_TEAMS,
        PRAGMA_OMP_CLAUSE_PARALLEL, PRAGMA_OMP_CLAUSE_PROC_BIND,
        PRAGMA_OMP_CLAUSE_SAFELEN, PRAGMA_OMP_CLAUSE_SECTIONS,
        PRAGMA_OMP_CLAUSE_SIMDLEN, PRAGMA_OMP_CLAUSE_TASKGROUP,
        PRAGMA_OMP_CLAUSE_THREAD_LIMIT, PRAGMA_OMP_CLAUSE_TO and
        PRAGMA_OMP_CLAUSE_UNIFORM.

2013-10-09  Marc Glisse  <marc.glisse@inria.fr>

        PR tree-optimization/20318
        * c-common.c (handle_returns_nonnull_attribute): New function.
        (c_common_attribute_table): Add returns_nonnull.

2013-10-03  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/19476
        * c.opt (fcheck-new): Move to common.opt.

2013-09-25  Marek Polacek  <polacek@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/58413
        * c-ubsan.c (ubsan_instrument_shift): Don't instrument
        an expression if we can prove it is correct.
        (ubsan_instrument_division): Likewise.  Remove unnecessary
        check.

2013-09-18  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/58411
        * c-common.c (handle_no_sanitize_undefined_attribute): New function.
        Declare it.
        (struct attribute_spec c_common_att): Add no_sanitize_undefined.

2013-09-14  Iain Sandoe  <iain@codesourcery.com>

        PR target/48094
        * c.opt (fgnu-runtime, fnext-runtime, fobjc-abi-version,
        fobjc-gc, freplace-objc-classes): Accept for LTO.

2013-09-13  Jacek Caban  <jacek@codeweavers.com>

        * c-target.def: New hook

2013-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/43452
        * c.opt (Wdelete-incomplete): Add.

2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>

        * c-common.c (same_scalar_type_ignoring_signedness): Delete.
        (vector_types_compatible_elements_p): New function.
        * c-common.h: (same_scalar_type_ignoring_signedness): Delete
        declaration.
        (vector_types_compatible_elements_p): Declare.

2013-09-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::simple_type_specifier): Now
        a virtual member function.
        (pp_simple_type_specifier): Remove.
        (pp_c_type_specifier): Likewise.
        * c-pretty-print.c (c_pretty_printer::simple_type_specifier):
        Rename from pp_c_type_specifier.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        simple_type_specifier.

2013-09-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::type_id): Now a virtual
        member function.
        (c_pretty_printer::storage_class_specifier): Likewise.
        (c_pretty_printer::initializer): Likewise.
        (pp_declaration): Remove.
        (pp_declaration_specifiers): Likewise.
        (pp_abstract_declarator): Likewise.
        (pp_declarator): Likewise.
        (pp_type_id): Likewise.
        (pp_statement): Likewise.
        (pp_constant): Likewise.
        (pp_id_expression): Likewise.
        (pp_primary_expression): Likewise.
        (pp_unary_expression): Likewise.
        (pp_multiplicative_expression): Likewise.
        (pp_conditional_expression): Likewise.
        (pp_assignment_expression): Likewise.
        (pp_expression): Likewise.
        (pp_c_type_id): Likewise.
        (pp_c_storage_class_specifier): Likewise.
        * c-pretty-print.c (pp_c_type_cast): Tidy.
        (pp_c_pointer): Likewise.
        (pp_c_type_specifier): Likewise.
        (pp_c_parameter_type_list): Likewise.
        (pp_c_function_definition): Likewise.
        (pp_c_init_declarator): Likewise.
        (pp_c_initializer_list): Likewise.
        (pp_c_constructor_elts): Likewise.
        (c_pretty_printer::direct_abstract_declarator): Likewise.
        (c_pretty_printer::declaration_specifiers): Likewise.
        (c_pretty_printer::primary_expression): Likewise.
        (c_pretty_printer::postfix_expression): Likewise.
        (c_pretty_printer::type_id): Rename from pp_c_type_id.
        (c_pretty_printer::storage_class_specifier): Rename from
        pp_c_storage_class_specifier.
        (c_pretty_printer::initializer): Rename from pp_c_initializer.
        (c_pretty_printer::c_pretty_printer): Do not assign to type_id,
        storage_class_specifier, initializer, offset_list, flags.

2013-08-30  Marek Polacek  <polacek@redhat.com>

        * c-ubsan.c: New file.
        * c-ubsan.h: New file.

2013-08-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::declaration): Now a virtual
        member function.
        (c_pretty_printer::declaration_specifiers): Likewise.
        (c_pretty_printer::declarator): Likewise.
        (c_pretty_printer::abstract_declarator): Likewise.
        (c_pretty_printer::direct_abstract_declarator): Likewise.
        (c_pretty_printer::direct_declarator): Likewise.
        (c_pretty_printer::function_specifier): Likewise.
        (pp_declaration): Adjust.
        (pp_declaration_specifiers): Likewise.
        (pp_abstract_declarator): Likewise.
        (pp_direct_declarator): Likewise.
        (pp_function_specifier): Likewise.
        (pp_direct_abstract_declarator): Remove as unused.
        (pp_c_declaration): Remove.
        (pp_c_declaration_specifiers): Likewise.
        (pp_c_declarator): Likewise.
        (pp_c_direct_declarator): Likewise.
        (pp_c_function_specifier): Likewise.
        (pp_c_direct_abstract_declarator): Likewise.
        * c-pretty-print.c (c_pretty_printer::abstract_declarator): Rename
        from pp_c_abstract_declarator.  Adjust.
        (c_pretty_printer::direct_abstract_declarator):  Rename from
        pp_c_direct_abstract_declarator.  Adjust.
        (c_pretty_printer::function_specifier): Rename from
        pp_c_function_specifier.  Adjust.
        (c_pretty_printer::declaration_specifiers): Rename from
        pp_c_declaration_specifiers.  Adjust.
        (c_pretty_printer::direct_declarator): Rename from
        pp_c_direct_declarator.  Adjust.
        (c_pretty_printer::declarator): Rename from pp_c_declarator.  Adjust.
        (c_pretty_printer::declaration): Rename from pp_c_declaration.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        declaration, declaration_specifiers, declarator,
        direct_declarator, direct_abstract_declarator, function_specifier.

2013-08-26  Gabriel Dos Reis  <gdre@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::unary_expression): Now a
        virtual member function.
        (c_pretty_printer::multiplicative_expression): Likewise.
        (c_pretty_printer::conditional_expression): Likewise.
        (c_pretty_printer::assignment_expression): Likewise.
        (c_pretty_printer::expression): Likewise.
        (pp_unary_expression): Adjust.
        (pp_multiplicative_expression): Likewise.
        (pp_assignment_expression): Likewise.
        (pp_conditional_expression): Likewise.
        (pp_expression): Likewise.
        * c-pretty-print.c (c_pretty_printer::unary_expression): Rename
        from pp_c_unary_expression.  Adjust.
        (c_pretty_printer::multiplicative_expression): Rename from
        pp_c_multiplicative_expression.  Adjust.
        (c_pretty_printer::conditional_expression): Rename from
        pp_c_conditional_expression.  Adjust.
        (c_pretty_printer::assignment_expression): Rename from
        pp_c_assignment_expression.  Adjust.
        (c_pretty_printer::expression): Rename from pp_c_expression.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        unary_expression, multiplicative_expression,
        conditional_expression, expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::postfix_expression): Now a
        virtual member function.
        (pp_postfix_expression): Adjust.
        (pp_c_postfix_expression): Remove.
        * c-pretty-print.c (c_pretty_printer::postfix_expression): Rename
        from pp_c_postfix_expression.  Adjust.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        postfix_expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::primary_expression): Now a
        virtua member function.
        (pp_primary_expression): Adjust.
        (pp_c_primary_expression): Remove.
        * c-pretty-print.c (c_pretty_printer::primary_expression): Rename
        from pp_c_primary_expression.  Adjust.
        (pp_c_initializer_list): Use pp_primary_expression.
        (c_pretty_printer::c_pretty_printer): Do not assign to
        primary_expression.

2013-08-25  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::translate_string): Declare.
        * c-pretty-print.c (M_): Remove.
        (c_pretty_printer::translate_string): Define.
        (pp_c_type_specifier): Use it.
        (pp_c_primary_expression): Likewise.
        (pp_c_expression): Likewise.

2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::id_expression): Now a
        virtual function.
        (pp_c_id_expression): Remove.
        (pp_id_expression): Adjust.
        * c-pretty-print.c (c_pretty_printer::id_expression): Rename from
        pp_c_id_expression.  Adjust.
        (pp_c_postfix_expression): Use pp_id_expression.
        (c_pretty_printer::c_pretty_printer): Do not assign to id_expression.

2013-08-24  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer::constant): Now a virtual
        member function.
        (pp_constant): Adjust.
        (pp_c_constant): Remove.
        * c-pretty-print.c (c_pretty_printer::constant): Rename from
        pp_c_constant.  Adjust.
        (pp_c_constant)
        (pp_c_primary_expression): Call pp_constant in lieu of pp_c_constant.
        (c_pretty_printer::c_pretty_printer): Remove assignment to constant.

2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (pp_c_pretty_printer_init): Remove.
        (c_pretty_printer::c_pretty_printer): Declare.
        * c-pretty-print.c (pretty_printer::c_pretty_printer): Rename from
        c_pretty_printer_init.  Adjust.
        (print_c_tree): Do not call c_pretty_printer_init.
        * c-ada-spec.c (dump_ads): Remove call to pp_construct.

2013-08-09  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (print_ada_declaration): Prevent accessing null asm name

2013-08-05  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/58080
        * c-common.c (pointer_int_sum): Add bool parameter.
        * c-common.h (pointer_int_sum): Adjust declaration.

2013-08-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (print_c_tree): Simplify.  Use non-static local
        c_pretty_printer variable.

2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.h (c_pretty_printer): Derive from pretty_printer.
        (pp_base): Remove.
        (pp_c_base): Likewise.  Adjust users.
        * c-pretty-print.c (pp_c_maybe_whitespace): Adjust.
        (pp_c_whitespace): Do not call pp_base.
        (pp_c_left_paren): Likewise.
        (pp_c_right_paren): Likewise.
        (pp_c_left_brace): Likewise.
        (pp_c_right_brace): Likewise.
        (pp_c_left_bracket): Likewise.
        (pp_c_right_bracket): Likewise.
        (pp_c_dot): Likewise.
        (pp_c_ampersand): Likewise.
        (pp_c_star): Likewise.
        (pp_c_arrow): Likewise.
        (pp_c_semicolon): Likewise.
        (pp_c_complement): Likewise.
        (pp_c_exclamation): Likewise.
        (pp_c_direct_declarator): Likewise.
        (pp_c_ws_string): Likewise.
        (pp_c_identifier): Likewise.
        (pp_c_statement): Likewise.
        (print_c_tree): Likewise.

2013-08-04  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/58072
        * c-common.c (c_parse_error): Catch user-defined literal tokens and
        provide useful error strings.

2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-ada-spec.c (pp_ada_tree_identifier): Use specialized pretty
        printer functions instead of pp_string or operators and punctuators.
        (dump_generic_ada_node): Likewise.
        * c-pretty-print.c (pp_c_type_specifier): Likewise.
        (pp_c_relational_expression): Likewise.
        (pp_c_logical_or_expression): Likewise.

2013-08-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-ada-spec.c (print_ada_macros): Use specialized pretty printer
        functions instead of pp_character.
        (pp_ada_tree_identifier): Likewise.
        (dump_ada_double_name): Likewise.
        (dump_ada_function_declaration): Likewise.
        (dump_ada_array_domains): Likewise.
        (dump_template_types): Likewise.
        (dump_generic_ada_node): Likewise.
        (print_ada_declaration): Likewise.
        (print_ada_struct_decl): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Likewise.

2013-07-23  Tom Tromey  <tromey@redhat.com>

        * c-common.h (enum rid) <RID_GENERIC>: New constant.
        * c-common.c (c_common_reswords): Add _Generic.

2013-07-21   Ondřej Bílka  <neleai@seznam.cz>

        * c-common.c: Fix typos.
        * c-common.h: Likewise.

2013-07-13  Lubos Lunak  <l.lunak@suse.cz>

        PR c++/55203
        * c-common.c (c_common_attribute_table): Add warn_unused.
        (handle_warn_unused_attribute): New.

2013-07-10  Jakub Jelinek  <jakub@redhat.com>

        * c-ppoutput.c (scan_translation_unit): Call account_for_newlines
        for all CPP_TOKEN_FLD_STR tokens, not just CPP_COMMENT.

2013-07-10  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/57869
        * c.opt: Add Wconditionally-supported.

2013-07-08  Graham Stott  <graham.stott@btinternet.com>

        * array-notation-common.c (length_mismatch_in_expr_p): Delete
        unused variables l_length and l_node.

2013-07-04  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR c/57821
        * c-common.c (complete_array_type): Delay folding first index
        like other indices.  When folding, check for index overflow.

2013-06-27  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/57509
        * c-common.h (c_build_vec_perm_expr): New complain argument.
        * c-common.c (c_build_vec_perm_expr): Likewise.
        Use save_expr also in C++.

2013-06-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-common.c (c_common_nodes_and_builtins): Use cxx11 in lieu of cxx0x.
        * c-cppbuiltin.c (c_cpp_builtins): Likewise.
        * c-opts.c (c_common_post_options): Likewise.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (length_mismatch_in_expr): Changed the
        parameter type's from a dynamic array to a vec_tree.  Also removed
        the size parameters.
        * c-common.h (length_mismatch_in_expr_p): Fixed prototype's as per
        the change above.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.h (struct cilkplus_an_parts): New structure.
        (struct cilkplus_an_loop_parts): Likewise.
        (cilkplus_extract_an_triplets): New prototype.
        (fix_sec_implicit_args): Likewise.
        * array-notation-common.c (cilkplus_extract_an_triplets): New function.
        (fix_sec_implicit_args): Likewise.

2013-06-20  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (find_inv_trees): Removed an unwanted
        typecasting.
        * c-common.h (struct inv_list::additional_tcodes): Changed type from
        enum rid to enum tree_code.

2013-06-11  Jan Hubicka  <jh@suse.cz>

        * c-common.c (handle_alias_ifunc_attribute): Do not set
        DECL_EXTERNAL for weakref variables.
        * c-pragma.c (handle_pragma_weak): Make sure aliases
        are not declared as external.

2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * array-notation-common.c (length_mismatch_in_expr_p): Moved this
        function from c/c-array-notation.c.
        (is_cilkplus_reduce_builtin): Likewise.
        (find_rank): Likewise.
        (extract_array_notation_exprs): Likewise.
        (replace_array_notations): Likewise.
        (find_inv_trees): Likewise.
        (replace_inv_trees): Likewise.
        (contains_array_notation_expr): Likewise.
        (find_correct_array_notation_type): Likewise.
        * c-common.h (struct inv_list): Moved this struct from the file
        c/c-array-notation.c and added a new field called additional tcodes.
        (length_mismatch_in_expr_p): New prototype.
        (is_cilkplus_reduce_builtin): Likewise.
        (find_rank): Likewise.
        (extract_array_notation_exprs): Likewise.
        (replace_array_notation): Likewise.
        (find_inv_trees): Likewise.
        (replace_inv_trees): Likewise.
        (find_correct_array_notation_type): Likewise.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-common.c (c_define_builtins): When cilkplus is enabled, the
        function array_notation_init_builtins is called.
        (c_common_init_ts): Added ARRAY_NOTATION_REF as typed.
        * c-common.def (ARRAY_NOTATION_REF): New tree.
        * c-common.h (build_array_notation_expr): New function declaration.
        (build_array_notation_ref): Likewise.
        (extract_sec_implicit_index_arg): New extern declaration.
        (is_sec_implicit_index_fn): Likewise.
        (ARRAY_NOTATION_CHECK): New define.
        (ARRAY_NOTATION_ARRAY): Likewise.
        (ARRAY_NOTATION_START): Likewise.
        (ARRAY_NOTATION_LENGTH): Likewise.
        (ARRAY_NOTATION_STRIDE): Likewise.
        * c-pretty-print.c (pp_c_postifix_expression): Added a new case for
        ARRAY_NOTATION_REF.
        (pp_c_expression): Likewise.
        * c.opt (flag_enable_cilkplus): New flag.
        * array-notation-common.c: New file.

2013-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/57274
        * c-common.c (verify_tree): Don't recurse into SIZEOF_EXPR.

2013-05-10  Marc Glisse  <marc.glisse@inria.fr>

        * c-common.c (vector_types_convertible_p): No TYPE_PRECISION for
        vectors.

2013-05-07  Han Shen  <shenhan@google.com>

        * c-cppbuiltin.c (c_cpp_builtins): Added "__SSP_STRONG__=3".

2013-04-29  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

        * c-common.c (check_user_alignment): Emit error for negative values.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-opts.c (set_std_cxx11): Use CLK_CXX1Y and CLK_GNUCXX1Y.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-cppbuiltin.c (c_cpp_builtins): Do not define
        __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>
            Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented.
        * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns
        to simply use OPT_Wpointer_arith.
        (c_sizeof_or_alignof_type): Likewise.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.

2013-04-12  Jakub Jelinek  <jakub@redhat.com>

        * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
        gcc_cdiag_char_table, gcc_cxxdiag_char_table): Add %r and %R format
        specifiers.

2013-04-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pragma.c (add_to_renaming_pragma_list): Fix leading comment.

2013-04-03  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (pointer_int_sum): Remove dead code.

2013-03-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/56524
        * c-common.c (handle_optimize_attribute): Don't call
        save_optabs_if_changed.

2013-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56461
        * c-pch.c (pch_init): Free target_validity at the end.

2013-03-04  Jakub Jelinek  <jakub@redhat.com>

        * c-pretty-print.c (pp_c_pretty_printer_init): Clear pp->flags.

2013-02-28  Konstantin Serebryany  <konstantin.s.serebryany@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/56454
        * c-common.c (handle_no_sanitize_address_attribute): New function.
        (c_common_attribute_table): Add no_sanitize_address attribute.
        (handle_no_address_safety_analysis_attribute): Add
        no_sanitize_address attribute, not no_address_safety_analysis
        attribute.

2013-02-18  Aldy Hernandez  <aldyh@redhat.com>

        PR target/52555
        * c-common.c (handle_optimize_attribute): Call
        save_optabs_if_changed.

2013-02-18  Jakub Jelinek  <jakub@redhat.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        PR pch/54117
        * c-opts.c (c_common_post_options): If debug info is enabled
        and non-dwarf*, refuse to load PCH files and when writing PCH
        file warn.

2013-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/56167
        * c-common.c (handle_error_attribute): Fix condition.

2013-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/55742
        * c-common.c (handle_target_attribute): Revert 2012-12-26 change.

2013-01-18  Jason Merrill  <jason@redhat.com>

        PR target/54908
        * c.opt (-fextern-tls-init): New.
        * c-opts.c (c_common_post_options): Handle it.

2013-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR c/48418
        * c-common.c (c_fully_fold_internal): Warn for LSHIFT_EXPR and
        RSHIFT_EXPR, if orig_op1 isn't INTEGER_CST, op1 is INTEGER_CST
        and is either negative or bigger or equal to type precision
        of the first operand.

2012-12-03  Marek Polacek  <polacek@redhat.com>

        PR c/55570
        * c-common.c (check_user_alignment): Swap order of tests,
        check TREE_CODE first.

2012-11-29  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/52654
        * c-common.h (overflow_type): New enum.
        (build_userdef_literal): Add overflow_type argument.
        (tree_userdef_literal): Add overflow_type.
        (USERDEF_LITERAL_OVERFLOW): New access macro.
        * c-common.c (build_userdef_literal): Add overflow_type
        argument.
        * c-lex.c (c_lex_with_flags): Add overflow_type to
        build_userdef_literal calls.
        (interpret_integer, interpret_float): Add overflow_type argument.

2012-11-28  Richard Biener  <rguenther@suse.de>

        PR c/35634
        * c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
        here and use a type with proper overflow behavior for types that would
        need to be promoted for the arithmetic.

2012-11-23  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/55435
        * c-common.c (handle_no_address_safety_analysis_attribute): New
        function.
        (c_common_attribute_table): Add no_address_safety_analysis.

2012-11-16  Simon Baldwin  <simonb@google.com>

        * c.opt: Add f[no-]canonical-system-headers.
        * c-opts.c (c_common_handle_option): Handle
        OPT_fcanonical_system_headers.

2012-11-09  Ed Smith-Rowland  <3dw4rd@verizon.net>

        PR c++/54413
        * c-opts.c (c_common_handle_option): Set new flags.
        * c.opt: Describe new flags.

2012-11-09  Jason Merrill  <jason@redhat.com>

        * c.opt (Wabi-tag): New.

2012-11-09  Andi Kleen  <ak@linux.intel.com>

        PR 55139
        * c-common.c (get_atomic_generic_size): Mask with
        MEMMODEL_MASK

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        * c.opt (Wformat): Make it Alias Wformat=1.
        (Wformat-contains-nul,Wformat-extra-args,Wformat-nonliteral,
        Wformat-security,Wformat-y2k,Wformat-zero-length): Use
        LangEnabledBy.
        (Wformat=): RejectNegative. Use LangEnabledBy.
        (Wnonnull): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not handle Wformat here.
        * c-format.c (set_Wformat): Delete.
        (decode_format_attr): Replace OPT_Wformat with OPT_Wformat_.
        (maybe_read_dollar_number):  Likewise.
        (avoid_dollar_number):  Likewise.
        (finish_dollar_format_checking):  Likewise.
        (check_format_info):  Likewise.
        (check_format_info_main):  Likewise.
        (check_format_types):  Likewise.
        (format_type_warning):  Likewise.
        * c-common.c (int):  Likewise.
        (check_function_sentinel):  Likewise.
        * c-common.h (warn_format,set_Wformat): Do not declare here.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        * c.opt(Warray-bounds,Wdelete-non-virtual-dtor,Wenum-compare,
        Wmain,Woverlength-strings, Wunknown-pragmas,Wunused-macros):
        Use LangEnabledBy.
        (Wswitch,Wswitch-default,Wswitch-enum): Likewise. Move here from
        common.opt.
        (Wvariadic-macros): Init(1).
        * c-opts.c (c_common_handle_option): Do not handle them
        explicitly.
        (c_common_post_options): Likewise.
        (sanitize_cpp_opts): warn_unused_macros is now
        cpp_warn_unused_macros.
        (push_command_line_include): Likewise.
        * c-common.c (warn_unknown_pragmas): Do not define.
        * c-common.h (warn_unknown_pragmas): Do not declare.

2012-11-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/51294
        * c-common.c (conversion_warning): Handle conditional expressions.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR c++/54930
        * c.opt (Wreturn_local_addr): Define new option.

2012-10-25  Jason Merrill  <jason@redhat.com>

        * c.opt (Wvirtual-move-assign): New.

        * c.opt (Winherited-variadic-ctor): New.

2012-10-25  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        * c-common.c (scalar_to_vector): Handle VEC_COND_EXPR.

2012-10-23  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (pch_cpp_save_state): Declare.
        * c-target.def (c_preinclude): New hook.
        * c-opts.c (done_preinclude): New.
        (push_command_line_include): Handle default preincluded header.
        (cb_file_change): Call pch_cpp_save_state when calling
        push_command_line_include.
        * c-pch.c (pch_ready_to_save_cpp_state, pch_cpp_state_saved)
        (pch_cpp_save_state): New.
        (pch_init): Call pch_cpp_save_state conditionally, instead of
        calling cpp_save_state.

2012-10-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        PR c/40989
        * c.opt (Waddress,Wchar-subscripts,Wsign-conversion,Wimplicit,
        Wimplicit-function-declaration,Wimplicit-int,Wsizeof-pointer-memaccess,
        Wnarrowing,Wparentheses,Wpointer-sign,Wreturn-type,Wsequence-point,
        Wsign-compare,Wuninitialized,Wmaybe-uninitialized,Wunused,
        Wvolatile-register-var): Add LangEnabledBy or EnabledBy.
        * c-opts.c (c_common_handle_option): Remove explicit handling from
        here.
        (c_common_post_options): Likewise.

2012-10-18  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (LOCATION_COL): Delete.
        (compare_location): New function.
        (compare_node): Use it.
        (compare_comment): Likewise.

2012-10-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53063
        PR c/40989
        * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not set them here. Add
        comment.
        (c_common_post_options): Likewise.

2012-10-16  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define.
        (dump_generic_ada_node) <INTEGER_CST>: Deal with sizetype specially.
        Remove POINTER_TYPE handling, add large unsigned handling and use
        ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX for big numbers.

2012-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/54381
        * c-common.h (sizeof_pointer_memaccess_warning): Adjust prototype.
        * c-common.c (sizeof_pointer_memaccess_warning): Take array of 3
        locs and array of 3 trees instead of just single loc and single
        sizeof_arg tree.  Handle __builtin___*_chk builtins too, and
        also stpncpy, bcopy, bcmp, bzero, snprintf and vsnprintf builtins.
        For *cmp* builtins that take two sources strings report warnings
        about first and second source, not about destination and source.

2012-10-12  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/53055
        * c-common.h (enum ref_operator) [RO_ARROW_STAR]: New.

2012-10-11  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_template): Bail out for template declarations
        declaring something coming from another file.

2012-10-10  Arnaud Charlet  <charlet@adacore.com>

        PR ada/54845
        * c-ada-spec.c (print_ada_struct_decl): Increase buf size.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/54194
        * c-common.c (warn_about_parentheses): Add location_t parameter;
        use EXPR_LOC_OR_LOC.
        * c-common.h: Update declaration.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        * c-common.c (scalar_to_vector): Moved from c-typeck.c. Support
        more operations. Make error messages optional.
        * c-common.h (enum stv_conv): Moved from c-typeck.c.
        (scalar_to_vector): Declare.

2012-10-08  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add thread_local.

2012-10-08  Dodji Seketeli  <dodji@redhat.com>

        PR c++/53528 C++11 attribute support
        * c-common.h (bitfield_p, cxx_fundamental_alignment_p): Declare
        new functions.
        * c-common.c (check_cxx_fundamental_alignment_constraints): New
        static function.
        (handle_aligned_attribute): In choose strictest alignment
        among many.  Use new check_cxx_fundamental_alignment_constraints.
        (handle_transparent_union_attribute): In c++11 attribute syntax,
        don't look through typedefs.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (print_ada_declaration): Remove handling of TDF_RAW.
        * c.opt (-fdump-ada-spec, -fdump-ada-spec-slim): Move switch definition
        out of dumpfile.h.

2012-09-25  Dehao Chen  <dehao@google.com>

        PR middle-end/54645
        * c-pch.c (c_common_read_pch): Rebuild the location_adhoc_data
        map when read in the pch.

2012-09-18  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c: Style fixes.

2012-09-18  Thomas Quinot  <quinot@adacore.com>

        * c.opt (-fada-spec-parent): Define new command line switch.
        * c-ada-spec.c (get_ada_package): When -fada-spec-parent
        is specified, generate binding spec as a child of the specified unit.

2012-09-13  Paolo Carlini  <paolo.carlini@oracle.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53210
        * c.opt ([Winit-self]): Enabled by -Wall in C++.

2012-08-23  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_generic_ada_node): Fix handling of name_only
        for pointers, and add missing Convention C pragma.
        (print_ada_struct_decl): Add missing aliased keyword.
        (dump_ads): Add pragma Ada_2005 and Style_Checks (Off).

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (sizeof_pointer_memaccess_warning): New function.
        * c.opt (-Wsizeof-pointer-memaccess): Add new option.
        * c-opts.c (c_common_handle_option): Enable it for -Wall.
        * c-common.h (sizeof_pointer_memaccess_warning): Add prototype.
        * c-common.def (SIZEOF_EXPR): Moved here from cp-tree.def.

2012-08-10  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_expression): Handle anonymous SSA names.

2012-08-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pretty-print.c (pp_c_function_definition): Use pp_newline_and_flush
        instead of separate pp_newline and pp_flush.
        (print_c_tree): Likewise.

2012-07-26  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_hot_attribute): Allow labels.
        (handle_cold_attribute): Likewise.

2012-07-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/28656
        * c-common.c (check_function_nonnull): Handle multiple nonnull
        attributes properly.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

        * c-gimplify.c: Include dumpfile.h instead of tree-dump.h.
        * c-ada-spec.c: Likewise.
        * c-dump.c (dump_stmt): Move to cp/dump.c, the only user.

2012-07-14  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pch.c (CHECK_NO_ASM_OUT_DURING_PCH): Do not define.
        Remove code conditional on it.

2012-07-11  Steven Bosscher  <steven@gcc.gnu.org>

        * c-gimplify.c: Do not include basic-block.h.
        * c-common.c: Do not include linfuncs.h.

2012-07-08  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h: Include tree.h.

2012-07-02  Jason Merrill  <jason@redhat.com>

        PR c++/53524
        * c-common.c (get_priority): Call default_conversion.

2012-07-01  Uros Bizjak  <ubizjak@gmail.com>

        * c-pch.c (c_common_write_pch): Remove unused variables.

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

        * cppspec.c: Moved from gcc/ to here.

2012-06-27  Kai Tietz  <ktietz@redhat.com>

        PR preprocessor/37215
        * c-ppoutput.c (preprocess_file): Check for nonempty buffer.

2012-06-21  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h (c_common_print_pch_checksum): Remove.
        * c-pch.c: Do not include output.h.
        (CHECK_NO_ASM_OUT_DURING_PCH): Define and add FIXME.
        (asm_out_file): Define iff CHECK_NO_ASM_OUT_DURING_PCH isdefined.
        (asm_file_startpos): Define iff CHECK_NO_ASM_OUT_DURING_PCH is defined.
        (struct c_pch_header): Remove.
        (get_ident): Update gpch version.
        (pch_init): Do not print executable_checksum to asm_out_file.
        Do not fail if there is no asm_out_file to read back from.  Set
        asm_file_startpos only if CHECK_NO_ASM_OUT_DURING_PCH is defined.
        (c_common_write_pch): Verify that nothing was written to asm_out_file
        since pch_init was called.  Do not write a c_pch_header, and do not
        copy from asm_out_file to the PCH.
        (c_common_read_pch): Do not read a c_pch_header, and do not restore
        the content of asm_out_file from the PCH.
        (c_common_print_pch_checksum): Remove.
        * c-opts.c (c_common_init): Print out executable_checksum directly.

2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>

        * c-target.def (objc_declare_unresolved_class_reference,
        objc_declare_class_definition): Add new hooks.

2012-06-19  Steven Bosscher  <steven@gcc.gnu.org>

        * c-lex.c: Do not include output.h.
        (cb_ident): Try to put out .ident with targetm.asm_out.output_ident.
        Remove uses of ASM_OUTPUT_IDENT.

2012-06-15  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/51033
        * c-common.h (c_build_vec_perm_expr): Move decl here.
        * c-common.c (c_build_vec_perm_expr): Move definition
        here.

2012-06-06  Steven Bosscher  <steven@gcc.gnu.org>

        * c.opt (fconserve-space): Turn into a no-op.

2012-06-04  Sterling Augustine  <saugustine@google.com>

        * c-pretty-print.h (pp_c_flag_gnu_v3): New enumerator.
        * c-pretty-print.c (pp_c_specifier_qualifier_list): Check it at
        both the start and end of the function.

2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Do not include output.h.
        * c-pragma.c: Likewise.

2012-06-04  Steven Bosscher  <steven@gcc.gnu.org>

        * error.c (dump_decl): Check pp_c_flag_gnu_v3.
        (decl_as_dwarf_string, lang_decl_dwarf_name): New functions.
        (lang_decl_name): Handle namespace decls.

2012-05-31  Steven Bosscher  <steven@gcc.gnu.org>

        * c-ada-spec.c: Do not include output.h.
        * c-semantics.c: Likewise.

2012-05-29  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c: Fix typo.

2012-05-29  Michael Matz  <matz@suse.de>

        * c-common.h (c_expand_decl): Remove prototype.

2012-05-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wmissing-braces): Use LangEnabledBy(C ObjC,Wall).
        * c-opts.c (c_common_handle_option): Remove code handling
        warn_missing_braces.

2012-05-28  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/25137
        * c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable
        -Wmissing_braces.

2012-05-22  Dodji Seketeli  <dodji@redhat.com>

        PR c++/53322
        * c.opt (Wunused-local-typedefs): Use EnabledBy(Wunused).

2012-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (--pedantic-errors,-pedantic-errors): Do not handle here.
        * c-opts.c (c_common_handle_option): Do not handle explicitly
        Wreturn-type, Wwrite-strings, warn_ecpp, and -pedantic-errors.

2012-05-16  Dodji Seketeli  <dodji@redhat.com>

        PR preprocessor/7263
        * c-lex.c (c_lex_with_flags):  Pass a virtual location to the call
        to cpp_classify_number.  For diagnostics, use the precise location
        instead of the global input_location.

2012-05-15  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/11856
        * c-common.c (shorten_compare): Check c_inhibit_evaluation_warnings.

2012-05-14  Bernd Schmidt  <bernds@codesourcery.com>

        * c-common.c (DEF_ATTR_STRING): Define and undefine as necessary.

2012-05-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 53063
        * c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init,
        Wreorder): Use LangEnabledBy.
        * c-opts.c (c_common_handle_option): Do not enable them
        explicitly. Call lang-specific generated functions.
        (c_common_post_options): Do not set them here.

2012-05-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wclobbered,Wempty-body,Wignored-qualifiers,
        Wmissing-field-initializers,Wmissing-parameter-type,
        Wold-style-declaration,Woverride-init): Use EnabledBy.
        * c-opts.c (c_common_post_options): Do not set here explicitly.

2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 53063
        * c-opts.c (c_common_handle_option): Use handle_generated_option
        to enable sub-options.

2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/53158
        * c-common.c (warnings_for_convert_and_check): Use warning_at.

2012-05-10  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_sizeof_or_alignof_type): Remove assert and
        adjust commentary about TYPE_IS_SIZETYPE types.

2012-05-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53261
        * c-common.c (warn_logical_operator): Check that argument of
        integer_zerop is not NULL.

2012-05-05  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/43772
        * c-common.c (warn_logical_operator): Do not warn if either side
        is already true or false.

2012-05-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/51712
        * c-common.c (expr_original_type): New.
        (shorten_compare): Do not warn for enumeration types.

2012-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (fpermissive): Add Var(flag_permissive).

2012-04-30  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/51033
        * c-common.c (convert_vector_to_pointer_for_subscript): New function.
        * c-common.h (convert_vector_to_pointer_for_subscript): Declare it.

2012-04-30  Dodji Seketeli  <dodji@redhat.com>

        Add -Wvarargs option
        * c.opt (Wvarargs):  Define new option.

2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (check_function_arguments): Replace
        Wmissing-format-attribute with Wsuggest-attribute=format.

2012-04-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (Wsuggest-attribute=format): New. Alias of
        Wmissing-format-attribute.
        * c-format.c (decode_format_type): Replace
        Wmissing-format-attribute with Wsuggest-attribute=format.
        (check_function_format): Likewise.

2012-04-27  Ollie Wild  <aaw@google.com>

        * c-common.c: Add CPP_W_LITERAL_SUFFIX mapping.
        * c-opts.c (c_common_handle_option): Handle OPT_Wliteral_suffix.
        * c.opt: Add Wliteral-suffix.

2012-04-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/44774
        * c.opt (Wpedantic): New.
        (pedantic): Alias Wpedantic.
        * c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic.
        (c_common_post_options): Likewise.
        (sanitize_cpp_opts): Likewise.
        * c-lex.c (interpret_float): Likewise.
        * c-format.c (check_format_types): Likewise.
        * c-common.c (pointer_int_sum): Likewise.
        (c_sizeof_or_alignof_type): Likewise.
        (c_add_case_label): Likewise.
        (c_do_switch_warnings): Likewise.
        * c-pragma.c (handle_pragma_float_const_decimal64): Likewise.

2012-04-15  Jason Merrill  <jason@redhat.com>

        PR c++/52818
        * c-format.c (CPLUSPLUS_STD_VER): C++11 inherits from C99.
        (C_STD_NAME): Distinguish between C++98 and C++11.

2012-04-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/52624
        * c-common.h (uint16_type_node): Rename into...
        (c_uint16_type_node): ...this.
        * c-common.c (c_common_nodes_and_builtins): Adjust for above renaming.
        * c-cppbuiltin.c (builtin_define_stdint_macros): Likewise.

2012-04-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (warn_if_unused_value): Move definition to here.
        * c-common.h (warn_if_unused_value): Move declaration to here.

2012-03-23  William Bader  <williambader@hotmail.com>

        * c-lex.c (c_lex_with_flags): Avoid declarations after stmts.

2012-03-20  Jason Merrill  <jason@redhat.com>

        * c-common.h (enum cxx_dialect): Add cxx1y.
        * c-common.c (c_common_nodes_and_builtins): Use >= for cxx_dialect
        test.
        * c-cppbuiltin.c (c_cpp_builtins): Likewise.
        * c-opts.c (c_common_post_options): Likewise.
        (set_std_cxx1y): New.
        (c_common_handle_option): Call it.
        * c.opt (-std=c++1y, -std=gnu++1y): New flags.

2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/14710
        * c.opt ([Wuseless-cast]): Add.

2012-03-16  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_initializer_list): Adjust.

2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/44783
        * c.opt (ftemplate-backtrace-limit) Add.

2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * c-cppbuiltin.c (c_cpp_builtins): Remove #pragma extern_prefix
        handling.
        * c-pragma.c (handle_pragma_extern_prefix): Remove.
        (init_pragma): Don't register extern_prefix.

2012-03-12  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_get_narrower): Use c_common_type_for_size.
        (builtin_type_for_size): Likewise.

2012-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/52215
        * c-common.c (sync_resolve_params): Don't decide whether to convert
        or not based on TYPE_SIZE comparison, convert whenever arg_type
        is unsigned INTEGER_TYPE.

2012-02-06  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c/52118
        * c.opt ([Wunused-local-typedefs]): Fix description.

2012-01-24  Mike Stump  <mikestump@comcast.net>

        * c-common.c (c_common_type_for_mode): Match signed/unsigned types
        exactly.

2012-01-18  Richard Guenther  <rguenther@suse.de>

        * c-opts.c (c_common_post_options): Reset LTO flags if
        we are about to generate a PCH.

2012-01-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51777
        * c-pretty-print.c (pp_c_integer_constant): For unsigned constants
        use pp_unsigned_wide_integer.

2012-01-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51806
        * c-opts.c (c_common_handle_option): Move -Werror handling
        to language independent code.

2012-01-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51764
        * c.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move here
        from common.opt.

2011-12-30  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/51316
        * c-common.c (c_sizeof_or_alignof_type): In C++ allow for alignof
        of array types with an unknown bound.

2011-12-20  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_isoc99): Update comment to refer to C11.
        (flag_isoc1x): Change to flag_isoc11.
        * c-common.h (flag_isoc99): Update comment to refer to C11.
        (flag_isoc1x): Change to flag_isoc11.
        * c-cppbuiltin.c (cpp_atomic_builtins): Change comment to refer to
        C11.
        * c-opts.c (set_std_c1x): Change to set_std_c11.
        (c_common_handle_option): Handle OPT_std_c11 and OPT_std_gnu11.
        Call set_std_c11.
        (set_std_c89, set_std_c99, set_std_c11): Use flag_isoc11.
        (set_std_c1): Use CLK_STDC11 and CLK_GNUC11.
        * c.opt (std=c1x): Change to std=c11.  Document as non-draft
        standard.
        (std=c1x, std=iso9899:2011): Add as aliases of std=c11.
        (std=gnu1x): Change to std=gnu11.  Refer to non-draft standard.
        (std=gnu1x): Make alias of std=gnu11.

2011-12-19  Jason Merrill  <jason@redhat.com>

        PR c++/51228
        * c-common.c (handle_transparent_union_attribute): Check the first
        field if the type is complete.

2011-12-15  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR libstdc++/51365
        * c-common.c (RID_IS_FINAL): Add.
        * c-common.h (RID_IS_FINAL): Add.

2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>

        * c.opt (fgnu-runtime): Provide full description.
        (fnext-runtime): Likewise.
        * c-opts.c (OPT_fgnu_runtime, OPT_fnext_runtime) Remove.

2011-11-28  Andrew MacLeod  <amacleod@redhat.com>

        * c-cpp-builtin.c (cpp_atomic_builtins):New.  Emit all atomic
        predefines in one place.  Add LOCK_FREE predefines.
        (c_cpp_builtins): Move Legacy HAVE_SYNC predefines to
        new func.

2011-11-24  Andrew MacLeod  <amacleod@redhat.com>

        PR c/51256
        * c-common.c (get_atomic_generic_size): Check for various error
        conditions
        (resolve_overloaded_atomic_exchange,
        resolve_overloaded_atomic_compare_exchange,
        resolve_overloaded_atomic_load, resolve_overloaded_atomic_store): Return
        error_mark_node for error conditions.

2011-11-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/51010
        c-family/

2011-11-07  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>
            Torvald Riegel  <triegel@redhat.com>

        Merged from transactional-memory.

        * c-common.c (handle_tm_wrap_attribute,
        handle_tm_attribute, ignore_attribute, parse_tm_stmt_attr): New.
        (struct c_common_reswords): Added __transaction* keywords.
        (struct c_common_attribute_table): Added transaction* and tm_regparm
        attributes.
        * c-common.h: Added RID_TRANSACTION*. Added TM_ATTR* and TM_STMT*
        masks.
        (parse_tm_stmt_attr, tm_attr_to_mask, tm_mask_to_attr,
        find_tm_attribute): Declare.

2011-11-07  Jason Merrill  <jason@redhat.com>

        PR c++/35688
        * c-common.c, c-common.h: Revert yesterday's changes.

2011-11-06  Jason Merrill  <jason@redhat.com>

        PR c++/35688
        * c-common.c (decl_has_visibility_attr): Split out from...
        (c_determine_visibility): ...here.
        * c-common.h: Declare it.

2011-11-06  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Alignas and _Alignof.
        (c_sizeof_or_alignof_type): Diagnose alignof applied to a function
        type.
        (check_user_alignment): New.  Split out of
        handle_aligned_attribute.  Disallow integer constants with
        noninteger types.  Conditionally allow zero.
        (handle_aligned_attribute): Use check_user_alignment.
        * c-common.h (RID_ALIGNAS, check_user_alignment): New.

2011-11-06  Andrew MacLeod  <amacleod@redhat.com>
            Richard Henderson  <rth@redhat.com>

        Merged from cxx-mem-model.

        * c-cppbuiltin.c (c_cpp_builtins): Test both atomic and sync patterns.
        * c-common.c (sync_resolve_params, sync_resolve_return): Only tweak
        parameters that are the same type size.
        (get_atomic_generic_size): New.  Find size of generic
        atomic function parameters and do typechecking.
        (add_atomic_size_parameter): New.  Insert size into parameter list.
        (resolve_overloaded_atomic_exchange): Restructure __atomic_exchange to
        either __atomic_exchange_n or external library call.
        (resolve_overloaded_atomic_compare_exchange): Restructure
        __atomic_compare_exchange to either _n variant or external library call.
        (resolve_overloaded_atomic_load): Restructure __atomic_load to either
        __atomic_load_n or an external library call.
        (resolve_overloaded_atomic_store): Restructure __atomic_store to either
        __atomic_store_n or an external library call.
        (resolve_overloaded_builtin): Handle new __atomic builtins.

2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR c++/50608
        * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Call fold_offsetof_1.
        (fold_offsetof_1): Make global.  Remove STOP_REF argument and adjust.
        <INDIRECT_REF>: Return the argument.
        <ARRAY_REF>: Remove special code for negative offset.
        Call fold_build_pointer_plus instead of size_binop.
        (fold_offsetof): Remove STOP_REF argument and adjust.
        * c-common.h (fold_offsetof_1): Declare.
        (fold_offsetof): Remove STOP_REF argument.

2011-11-02  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-11-01  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/44277
        * c.opt: Add Wzero-as-null-pointer-constant.

2011-10-31  Jason Merrill  <jason@redhat.com>

        * c.opt (-fdeduce-init-list): Off by default.

        PR c++/50920
        * c-common.h (cxx_dialect): Add cxx11 and cxx03.
        * c.opt: Add -std=c++11, -std=gnu++11, -std=gnu++03,
        and -Wc++11-compat.
        * c-opts.c (set_std_cxx11): Rename from set_std_cxx0x.

2011-10-27  Roberto Agostino Vitillo  <ravitillo@lbl.gov>

        PR c++/30066
        * c.opt (fvisibility-inlines-hidden): Description change.

2011-10-26  Ed Smith-Rowland  <3dw4rd@verizon.net>

        Implement C++11 user-defined literals.
        * c-common.c (build_userdef_literal): New.
        * c-common.def: New tree code.
        * c-common.h (tree_userdef_literal): New tree struct and accessors.
        * c-lex.c (interpret_float): Add suffix parm.
        (c_lex_with_flags): Build literal tokens.

2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50841
        Revert:
        2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-10-23  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50810
        * c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
        of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
        Wnarrowing for C++0x and C++98.
        * c.opt ([Wnarrowing]): Update.

2011-10-21  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/45385
        * c-common.c (conversion_warning): Remove code looking for
        artificial operands.

2011-10-18  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/50760
        * c-lex.c (fe_file_change): Use LINEMAP_SYSP when
        !NO_IMPLICIT_EXTERN_C.

2011-10-17  Michael Spertus  <mike_spertus@symantec.com>

        * c-common.c (c_common_reswords): Add __bases,
        __direct_bases.
        * c-common.h: Add RID_BASES and RID_DIRECT_BASES.

2011-10-17  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/50757
        * c.opt ([Wnonnull]): Add C++ and Objective-C++.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c.opt (fdebug-cpp): New option.
        * c-opts.c (c_common_handle_option): Handle the option.
        * c-ppoutput.c (maybe_print_line_1): New static function. Takes an
        output stream in parameter. Factorized from ...
        (maybe_print_line): ... this. Dump location debug information when
        -fdebug-cpp is in effect.
        (print_line_1): New static function. Takes an output stream in
        parameter. Factorized from ...
        (print_line): ... here. Dump location information when -fdebug-cpp
        is in effect.
        (scan_translation_unit): Dump location information when
        -fdebug-cpp is in effect.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c.opt (ftrack-macro-expansion): New option. Handle it with and
        without argument.
        * c-opts.c (c_common_handle_option)<case
        OPT_ftrack_macro_expansion_, case OPT_ftrack_macro_expansion>: New
        cases. Handle -ftrack-macro-expansion with and without argument.

2011-10-15  Tom Tromey  <tromey@redhat.com>
            Dodji Seketeli  <dodji@redhat.com>

        * c-ppoutput.c (scan_translation_unit, maybe_print_line)
        (print_line, cb_define, do_line_change): Adjust to avoid touching
        the internals of struct line_map.  Use the public API instead.
        * c-pch.c (c_common_read_pch): Likewise.
        * c-lex.c (fe_file_change): Likewise.

2011-10-14  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/17212
        * c.opt ([Wformat-zero-length]): Add C++ and Objective-C++.

2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/33067
        * c-pretty-print.c (pp_c_floating_constant): Output
        max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.

2011-10-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * c-common.c (def_builtin_1): Delete old interface with two
        parallel arrays to hold standard builtin declarations, and replace
        it with a function based interface that can support creating
        builtins on the fly in the future.  Change all uses, and poison
        the old names.  Make sure 0 is not a legitimate builtin index.
        * c-omp.c (c_finish_omp_barrier): Ditto.
        (c_finish_omp_taskwait): Ditto.
        (c_finish_omp_flush): Ditto.

2011-10-11  Tristan Gingold  <gingold@adacore.com>

        * c.opt: (fallow-parameterless-variadic-functions): New.

2011-09-08  Dodji Seketeli  <dodji@redhat.com>

        PR c++/33255 - Support -Wunused-local-typedefs warning
        * c-common.h (struct c_language_function::local_typedefs): New
        field.
        (record_locally_defined_typedef, maybe_record_typedef_use)
        (maybe_warn_unused_local_typedefs): Declare new functions.
        * c-common.c (record_locally_defined_typedef)
        (maybe_record_typedef_use)
        (maybe_warn_unused_local_typedefs): Define new functions.
        * c.opt: Declare new -Wunused-local-typedefs flag.

2011-09-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/50266
        * c-common.c (c_fully_fold_internal) <ADDR_EXPR>: Fold offsetof-like
        computations.

2011-09-05  Richard Guenther  <rguenther@suse.de>

        * c-common.c (complete_array_type): Use ssize_int (-1) instead
        of integer_minus_one_node for empty array upper bounds.

2011-08-28  Dodji Seketeli  <dodji@redhat.com>

        * c-pch.c (c_common_read_pch): Call linemap_add with LC_ENTER as
        it's the first time it's being called on this main TU.

2011-08-24  Richard Guenther  <rguenther@suse.de>

        PR c/49396
        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Fix conditional.

2011-08-22  Gabriel Charette  <gchare@google.com>

        * c-opts.c (c_finish_options): Force BUILTINS_LOCATION for tokens
        defined in cpp_init_builtins and c_cpp_builtins.

2011-08-19  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add __builtin_complex.
        * c-common.h (RID_BUILTIN_COMPLEX): New.

2011-08-18  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Noreturn.
        (keyword_is_function_specifier): Handle RID_NORETURN.
        * c-common.h (RID_NORETURN): New.

2011-08-10  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>

        * c-common.c (unsafe_conversion_p): New function. Check if it is
        unsafe to convert an expression to the type.
        (conversion_warning): Adjust, use unsafe_conversion_p.
        * c-common.h (unsafe_conversion_p): New function declaration.

2011-08-02  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_finish_omp_atomic): Adjust prototype.
        (c_finish_omp_taskyield): New prototype.
        * c-omp.c (c_finish_omp_atomic): Add OPCODE, V, LHS1 and RHS1
        arguments. Handle OMP_ATOMIC_READ, OMP_ATOMIC_CAPTURE_OLD and
        OMP_ATOMIC_CAPTURE_NEW in addition to OMP_ATOMIC.  If LHS1
        or RHS1 have side-effects, evaluate those too in the right spot,
        if it is a decl and LHS is also a decl, error out if they
        aren't the same.
        (c_finish_omp_taskyield): New function.
        * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP to 201107.
        * c-pragma.c (omp_pragmas): Add taskyield.
        * c-pragma.h (enum pragma_kind): Add PRAGMA_OMP_TASKYIELD.
        (enum pragma_omp_clause): Add PRAGMA_OMP_CLAUSE_FINAL and
        PRAGMA_OMP_CLAUSE_MERGEABLE.

2011-07-25  Dodji Seketeli  <dodji@redhat.com>

        * c-common.h (set_underlying_type): Remove parm name from
        declaration.

2011-07-25  Romain Geissler  <romain.geissler@gmail.com>

        * c-pretty-print.h: Search c-common.h in c-family.

2011-07-22  Jason Merrill  <jason@redhat.com>

        PR c++/49793
        * c.opt (Wnarrowing): New.

        PR c++/30112
        * c-common.h: Declare c_linkage_bindings.
        * c-pragma.c (handle_pragma_redefine_extname): Use it.

        PR c++/49813
        * c-opts.c (set_std_cxx0x): Set flag_isoc94 and flag_isoc99.
        * c-pretty-print.c (pp_c_cv_qualifiers): Check c_dialect_cxx as well
        as flag_isoc99 for 'restrict'.
        (pp_c_specifier_qualifier_list): Likewise for _Complex.

2011-07-21  Ian Lance Taylor  <iant@google.com>

        PR middle-end/49705
        * c-common.c (c_disable_warnings): New static function.
        (c_enable_warnings): New static function.
        (c_fully_fold_internal): Change local unused_p to bool.  Call
        c_disable_warnings and c_enable_warnings rather than change
        c_inhibit_evaluation_warnings.

2011-07-20  Jason Merrill  <jason@redhat.com>

        PR c++/6709 (DR 743)
        PR c++/42603 (DR 950)
        * c-common.h (CPP_KEYWORD, CPP_TEMPLATE_ID): Move from cp/parser.h.
        (CPP_NESTED_NAME_SPECIFIER, N_CP_TTYPES): Likewise.
        (CPP_DECLTYPE): New.
        * c-common.c (c_parse_error): Handle CPP_DECLTYPE.

2011-07-19  Richard Guenther  <rguenther@suse.de>

        * c-common.c (pointer_int_sum): Use fold_build_pointer_plus.
        * c-omp.c (c_finish_omp_for): Likewise.

2011-07-12  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_nested_types): Put semi-colon after empty loop
        body on the next line.

2011-07-08  Jason Merrill  <jason@redhat.com>

        PR c++/45437
        * c-omp.c (check_omp_for_incr_expr): Handle preevaluation.

        PR c++/49673
        * c-common.c (c_apply_type_quals_to_decl): Don't check
        TYPE_NEEDS_CONSTRUCTING.

2011-07-06  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins):
        Merge calls to build_common_tree_nodes and build_common_tree_nodes_2.

2011-07-05  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins): Build all common
        tree nodes first.

2011-06-27  Jakub Jelinek  <jakub@redhat.com>

        * c-common.h (c_tree_chain_next): New static inline function.

        * c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_ASSUME_ALIGNED.

2011-06-21  Andrew MacLeod  <amacleod@redhat.com>

        * c-common.c: Add sync_ or SYNC__ to builtin names.
        * c-omp.c: Add sync_ or SYNC__ to builtin names.

2011-06-20  Pierre Vittet  <piervit@pvittet.com>

        * c-pragma.h (pragma_handler_1arg, pragma_handler_2arg): New
        handler.
        (gen_pragma_handler): New union.
        (internal_pragma_handler): New type.
        (c_register_pragma_with_data)
        (c_register_pragma_with_expansion_and_data): New functions.

        * c-pragma.c (registered_pragmas, c_register_pragma_1)
        (c_register_pragma, c_register_pragma_with_expansion)
        (c_invoke_pragma_handler): Changed to work with
        internal_pragma_handler.
        (c_register_pragma_with_data)
        (c_register_pragma_with_expansion_and_data): New functions.

2011-06-14  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c: Include common/common-target.h.
        (handle_section_attribute): Use
        targetm_common.have_named_sections.
        * c-cppbuiltin.c: Include common/common-target.h.
        (c_cpp_builtins): Use targetm_common.except_unwind_info.

2011-06-10  Richard Guenther  <rguenther@suse.de>

        * c-pretty-print.c (pp_c_type_specifier): Use pp_c_identifier
        to print a IDENTIFIER_NODE.

2011-06-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
            Joseph Myers  <joseph@codesourcery.com>

        * c.opt (fbuilding-libgcc): New option.
        * c-cppbuiltin.c (c_cpp_builtins): Define
        __LIBGCC_TRAMPOLINE_SIZE__ if flag_building_libgcc.

2011-06-07  Jason Merrill  <jason@redhat.com>

        * c-common.c (max_tinst_depth): Lower default to 900.

        * c-format.c (gcc_cxxdiag_char_table): Add 'S' format.

2011-06-07  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_nodes_and_builtins): Do not set
        size_type_node or call set_sizetype.

2011-06-07  Dodji Seketeli  <dodji@redhat.com>

        PR debug/49130
        * c-pretty-print.c (pp_c_integer_constant): Consider the canonical
        type when using pointer comparison to compare types.

2011-06-02  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * c.opt: Add -Wdelete-non-virtual-dtor.
        * c-opts.c (c_common_handle_option): Include it in -Wall.

2011-05-30  Nathan Froyd  <froydnj@gcc.gnu.org>

        PR bootstrap/49190

        Revert:
        2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct c_common_identifier): Inherit from tree_typed,
        not tree_common.

2011-05-27  Jakub Jelinek  <jakub@redhat.com>

        PR c++/49165
        * c-common.c (c_common_truthvalue_conversion) <case COND_EXPR>: For
        C++ don't call c_common_truthvalue_conversion on void type arms.

2011-05-27  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct stmt_tree_s) [x_cur_stmt_list]: Change to a VEC.
        (stmt_list_stack): Define.
        (cur_stmt_list): Adjust for new type of x_cur_stmt_list.
        * c-semantics.c (push_stmt_list, pop_stmt_list): Likewise.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (warning_candidate_p): Check for BLOCKs.

2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (struct c_common_identifier): Inherit from tree_typed,
        not tree_common.

2011-05-25  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (def_fn_type): Remove extra va_end.

2011-05-23  Jason Merrill  <jason@redhat.com>

        PR c++/48106
        * c-common.c (c_common_get_narrower): New.
        (shorten_binary_op, shorten_compare, warn_for_sign_compare): Use it.

2011-05-23  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (check_function_arguments): Tweak prototype of
        check_function_arguments.
        * c-common.c (check_function_arguments): Likewise.  Adjust
        calls to check_function_nonnull, check_function_format, and
        check_function_sentinel.
        (check_function_sentinel): Take a FUNCTION_TYPE rather than
        separate attributes and typelist arguments.  Use
        FOREACH_FUNCTION_ARGS to iterate over argument types.

2011-05-15  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (c_common_reswords): Reorder.
        * c-common.h (rid): Likewise.

2011-05-10  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (def_fn_type): Don't call build_function_type, call
        build_function_type_array or build_varargs_function_type_array
        instead.
        (c_common_nodes_and_builtins): Likewise.

2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (c_add_case_label): Omit the loc argument to
        build_case_label.
        * c-common.h (build_case_label): Remove.
        * c-semantics.c (build_case_label): Remove.

2011-05-05  Joseph Myers  <joseph@codesourcery.com>

        * c-objc.h (objc_start_method_definition): Update prototype.
        * stub-objc.c (objc_start_method_definition): Add extra parameter.

2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (check_main_parameter_types): Reindent.  Don't use
        TYPE_ARG_TYPES directly.
        (handle_nonnull_attribute): Likewise.
        (sync_resolve_params): Likewise.
        * c-format.c (handle_format_arg_attribute): Likewise.  Adjust call
        to check_format_string.
        (handle_format_attribute): Likewise.
        (check_format_string): Take a function type to examine instead of
        a type list.  Use a function_arg_iterator to step through argument
        types.

2011-05-04  Richard Guenther  <rguenther@suse.de>

        * c-common.c (fix_string_type): Use size_int for index type bounds.
        (start_fname_decls): Do not pass NULL to build_int_cst.
        (c_init_attributes): Likewise.
        * c-lex.c (c_lex_with_flags): Likewise.

2011-04-27  Jason Merrill  <jason@redhat.com>

        * c-common.c (make_tree_vector_from_list): New.
        * c-common.h: Declare it.

2011-04-26  Richard Guenther  <rguenther@suse.de>

        PR preprocessor/48248
        * c-ppoutput.c (maybe_print_line): Always optimize newlines
        for output size with -P.

2011-04-25  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-common.c (struct c_common_resword): Add __underlying_type.
        * c-common.h (enum rid): Add RID_UNDERLYING_TYPE.

2011-04-20  Jim Meyering  <meyering@redhat.com>

        * c-format.c (init_dollar_format_checking): Remove useless
        if-before-free.

2011-04-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_get_interface_ivars): Removed.
        (objc_detect_field_duplicates): New.
        * stub-objc.c: Likewise.

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * stub-objc.c (objc_declare_protocols): Renamed to
        objc_declare_protocol.
        * c-objc.h: Likewise.

2011-04-14  Nicola Pero  <nicola.pero@meta-innovation.com>

        * stub-objc.c (objc_declare_class): Updated argument name.

2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (c_common_init_ts): Declare.
        * c-common.c (c_common_init_ts): Define.

2011-04-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_build_message_expr): Updated prototype.
        * stub-objc.c (objc_build_message_expr): Likewise.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

        * c-gimplify.c (c_genericize): Call cgraph_get_create_node instead
        of cgraph_node.

2011-04-11  Richard Guenther  <rguenther@suse.de>

        * c-common.c (complete_array_type): Build a range type of
        proper type.

2011-04-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (handle_sentinel_attribute): Don't use TYPE_ARG_TYPES.
        (handle_type_generic_attribute): Likewise.

2011-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/48450
        * c-common.c (c_common_truthvalue_conversion): Don't ignore
        conversion from C++0x scoped enum.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

        * c-target-def.h: New file.
        * c-target.def: New file.
        * c-target.h: New file.
        * c-common.c (targetcm): Don't define here.
        * c-common.h (default_handle_c_option): Declare.
        * c-format.c: Include c-target.h instead of target.h.
        * c-opts.c: Include c-target.h instead of target.h.  Explicitly
        include tm.h.
        (default_handle_c_option): Move from targhooks.c.

2011-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/48248
        * c-ppoutput.c (print): Add src_file field.
        (init_pp_output): Initialize it.
        (maybe_print_line): Don't optimize by adding up to 8 newlines
        if map->to_file and print.src_file are different file.
        (print_line): Update print.src_file.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

        * c-ada-spec.c (compare_comment): Use filename_cmp
        instead of strcmp for filename.

2011-03-25  Jeff Law  <law@redhat.com>

        * c-common.c (def_fn_type): Add missing va_end.

2011-03-25  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -std=c++03.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ada-spec.c (dump_ada_template): Skip non-class instances.

2011-03-17  Kai Tietz  <ktietz@redhat.com>

        PR target/12171
        * c-pretty-print.c (pp_c_specifier_qualifier_list):
        Display allowed attributes for function pointer types.
        (pp_c_attributes_display): New function to display
        attributes having affects_type_identity flag set to true.
        * c-pretty-print.h (pp_c_attributes_display): New prototype.

        * c-common.c (c_common_attribute_table):
        Add new element.
        (c_common_format_attribute_table): Likewise.

2011-03-18  Jason Merrill  <jason@redhat.com>

        * c.opt (fconstexpr-depth): Add Var(max_constexpr_depth).
        * c-common.h: Don't declare it here.
        * c-common.c: Or define it here.
        * c-opts.c (c_common_handle_option): Or set it here.

        PR c++/35315
        * c-common.c (handle_transparent_union_attribute): Don't
        make a duplicate type in C++.

2011-03-15  Jason Merrill  <jason@redhat.com>

        * c-common.c (max_constexpr_depth): New.
        * c-common.h: Declare it.
        * c-opts.c (c_common_handle_option): Set it.
        * c.opt (fconstexpr-depth): New option.

2011-03-11  Jason Merrill  <jason@redhat.com>

        * c-common.c (attribute_takes_identifier_p): Add missing const.

        PR c++/46803
        * c-common.c (attribute_takes_identifier_p): Assume that an
        unknown attribute takes an identifier.

2011-03-07  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/47786
        * c-common.c (c_type_hash): Call list_length instead of iterating
        through DECL_CHAIN.  Rename 'i' to 'n_elements'.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/47809
        * c-common.c (c_fully_fold_internal): Handle VIEW_CONVERT_EXPR.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

        * c.opt (fobjc-abi-version=) New.
        (fobjc-nilcheck): New.

2011-02-03  Nathan Froyd  <froydnj@codesourcery.com>

        PR c++/46890
        * c-common.h (keyword_is_decl_specifier): Declare.
        * c-common.c (keyword_is_decl_specifier): Define.
        (keyword_is_function_specifier): New function.

2011-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/47473
        * c-lex.c (interpret_float): If CPP_N_IMAGINARY, ensure
        EXCESS_PRECISION_EXPR is created with COMPLEX_TYPE instead of
        REAL_TYPE.

2011-01-26  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_generic_ada_node): Avoid dereferencing null type.

2011-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR pch/47430
        * c-opts.c (c_common_post_options): Call c_common_no_more_pch
        after init_c_lex if pch_file is set.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/43601
        * c.opt (-fkeep-inline-dllexport): New switch.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32511
        * c-common.c (handle_weak_attribute): Warn instead of error
        on declaring an inline function weak.

2011-01-05  Tom Tromey  <tromey@redhat.com>

        * c-common.h (lvalue_error): Update.
        * c-common.c (lvalue_error): Add 'loc' argument.  Call error_at,
        not error.

2010-12-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47075
        * c-objc.h (objc_finish_message_expr): Added argument to
        prototype.

2010-12-22  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (handle_nonnull_attribute, handle_sentinel_attribute):
        Use prototype_p.

2010-12-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-objc.h (objc_maybe_warn_exceptions): New.
        * stub-objc.c (objc_maybe_warn_exceptions): New.

2010-12-10  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (readonly_error): Declare.
        * c-common.c (readonly_error): Define.

2010-12-09  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.h (invalid_indirection_error): Declare.
        * c-common.c (invalid_indirection_error): Define.

2010-12-03  Richard Guenther  <rguenther@suse.de>

        PR c/46745
        * c-pretty-print.c (pp_c_postfix_expression): Handle MEM_REF.
        (pp_c_unary_expression): Likewise.
        (pp_c_expression): Likewise.

2010-11-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_finish_function): New.
        (objc_non_volatilized_type): Removed.
        (objc_type_quals_match): Removed.
        * stub-objc.c (objc_finish_function): New.
        (objc_non_volatilized_type): Removed.
        (objc_type_quals_match): Removed.

2010-11-30  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (parse_optimize_options): Declare.
        * c-cppbuiltin.c, c-format.c, c-gimplify.c, c-lex.c, c-omp.c,
        c-pch.c, c-pragma.c, c-semantics.c: Don't include toplev.h.

2010-11-29  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (check_deps_environment_vars): Use getenv instead of
        GET_ENVIRONMENT.
        * c-pch.c (O_BINARY): Don't define here.
        * c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.

2010-11-25  Joseph Myers  <joseph@codesourcery.com>

        * c-cppbuiltin.c (c_cpp_builtins): Pass &global_options to
        targetm.except_unwind_info.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Pass location to
        set_struct_debug_option.

2010-11-23  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (visibility_options): Move from ../opts.c.
        * c-common.h (struct visibility_flags, visibility_options):
        Declare here.
        * c-opts.c (finish_options): Rename to c_finish_options.
        (c_common_init): Update call to finish_options.

2010-11-22  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/34033
        * c-lex.c (lex_string): Check that each string in an Objective-C
        string concat sequence starts with either one or zero '@', and
        that there are no spurious '@' signs at the end.

2010-11-20  Joseph Myers  <joseph@codesourcery.com>

        * c-pragma.c: Remove conditionals on HANDLE_PRAGMA_PACK,
        HANDLE_PRAGMA_PACK_PUSH_POP, HANDLE_PRAGMA_WEAK and
        HANDLE_PRAGMA_VISIBILITY.
        * c-pragma.h (HANDLE_PRAGMA_WEAK, HANDLE_PRAGMA_PACK,
        HANDLE_PRAGMA_VISIBILITY): Don't define.
        (HANDLE_SYSV_PRAGMA, HANDLE_PRAGMA_PACK_PUSH_POP): Don't test.

2010-11-20  Nathan Froyd  <froydnj@codesourcery.com>

        PR c++/16189
        PR c++/36888
        PR c++/45331
        * c-common.h (keyword_begins_type_specifier): Declare.
        (keyword_is_storage_class_specifier): Declare.
        (keyword_is_type_qualifier): Declare.
        * c-common.c (keyword_begins_type_specifier): New function.
        (keyword_is_storage_class_specifier): New function.
        (keyword_is_type_qualifier): Declare.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/46547
        * c-common.c (in_late_binary_op): Define.
        (c_common_truthvalue_conversion): Check in_late_binary_op before
        calling c_save_expr.
        * c-common.h (in_late_binary_op): Declare.

2010-11-19  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Update calls to
        set_struct_debug_option.

2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_declare_protocols): Added additional argument.
        * stub-objc.c (objc_declare_protocol): Same change.

2010-11-18  Nathan Froyd  <froydnj@codesourcery.com>

        PR c/33193
        * c-common.h (build_real_imag_expr): Declare.
        * c-semantics.c (build_real_imag_expr): Define.

2010-11-17  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_parse_file): Take no arguments.
        * c-common.h (c_common_parse_file): Update prototype.

2010-11-16  Jakub Jelinek  <jakub@redhat.com>

        PR c++/46401
        * c-common.c (warning_candidate_p): Don't track non-const calls
        or STRING_CSTs.

2010-11-15  Ian Lance Taylor  <iant@google.com>

        * c-lex.c (init_c_lex): Set macro debug callbacks if
        flag_dump_go_spec is set.

2010-11-15  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_build_incr_expr_for_property_ref): New.
        * stub-objc.c (objc_build_incr_expr_for_property_ref): New.

2010-11-15  Nathan Froyd  <froydnj@codesourcery.com>

        PR preprocessor/45038
        * c-cppbuiltin.c (c_cpp_builtins): Use different format for C++
        dialects.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_family_lang_mask): Declare.
        * c-opts.c (c_family_lang_mask): Make extern.
        * c-pragma.c (handle_pragma_diagnostic): Use
        control_warning_option.

2010-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Update call to
        decode_options.
        * c-common.h (c_common_handle_option): Update prototype.
        * c-opts.c (c_common_handle_option): Take location_t parameter and
        pass it to other functions.

2010-11-11  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (warning_as_error_callback): Remove.
        (c_common_initialize_diagnostics): Don't call
        register_warning_as_error_callback.
        (c_common_handle_option): Handle -Werror=normalized= here.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_mode_attribute): Use %' and word "signedness"
        in diagnostic.
        * c-opts.c (c_common_parse_file): Start diagnostics with lowercase
        letter.
        * c-pragma.c (handle_pragma_target, handle_pragma_optimize):
        Remove trailing '.' from diagnostics.
        * c.opt (Wwrite-strings_: Avoid '`' in help text.

2010-11-10  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Pass global_dc to
        decode_options.
        * c-opts.c (c_common_handle_option): Pass &global_options to
        set_Wstrict_aliasing.
        * c.opt (v): Don't mark Common or document here.

2010-11-06  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/44981
        * c-format.c (format_type): New type gcc_objc_string_format_type.
        (valid_stringptr_type_p): New.
        (handle_format_arg_attribute): Use valid_stringptr_type_p ().
        (check_format_string): Pass expected type, use
        valid_stringptr_type_p (), check that the format string types are
        consistent with the format specification.
        (decode_format_attr): Warn if NSString is used outside objective-c.
        (format_types_orig): Add NSString.
        (format_name): New.
        (format_flags): New.
        (check_format_arg): Handle format strings requiring an external parser.
        first_target_format_type: New variable.
        (handle_format_attribute): Set up first_target_format_type, pass the
        expected format arg string type to check_format_string().
        * c-common.h (FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL):  New flag.
        * stub-objc.c (objc_string_ref_type_p): New.
        (objc_check_format_arg): New.

2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * c-common.h (objc_build_class_component_ref): New.
        * stub-objc.c (objc_build_class_component_ref): New.

2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c.opt (Wproperty-assign-default): New option.

2010-11-03  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented -fobjc-std=objc1 flag.
        * c.opt (fobjc-std=objc1): New option.

2010-11-01  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented format and noreturn attributes for Objective-C methods.
        * c-common.c (handle_noreturn_attribute): Recognize 'noreturn'
        attribute for Objective-C methods.

2010-10-31  Jason Merrill  <jason@redhat.com>

        * c-common.c (conversion_warning, warn_for_collisions_1): Use
        EXPR_LOC_OR_HERE.

2010-10-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented Objective-C 2.0 @property, @synthesize and @dynamic.
        * c-common.h (enum rid): Removed RID_COPIES and RID_IVAR.
        (objc_add_property_declaration): Removed arguments for copies and
        ivar.
        (objc_build_getter_call): Renamed to
        objc_maybe_build_component_ref.
        (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
        (objc_is_property_ref): New.
        * c-common.c (c_common_reswords): Removed copies and ivar.
        * stub-objc.c (objc_add_property_declaration): Removed arguments
        for copies and ivar.
        (objc_build_getter_call): Renamed to
        objc_maybe_build_component_ref.
        (objc_build_setter_call): Renamed to objc_maybe_build_modify_expr.
        (objc_is_property_ref): New.

2010-10-29  Arnaud Charlet  <charlet@adacore.com>
            Matthew Gingell  <gingell@adacore.com>

        * c-ada-spec.c (separate_class_package): New function.
        (pp_ada_tree_identifier): Prefix references to C++ classes with the
        name of their enclosing package.
        (print_ada_declaration): Use separate_class_package.

2010-10-27  Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add __is_literal_type.
        * c-common.h (enum rid): Add RID_IS_LITERAL_TYPE.

        * c-common.c (check_case_value): Remove special C++ code.

2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN,
        RID_RETAIN, RID_COPY and RID_NONATOMIC.  Updated RID_FIRST_PATTR
        and RID_LAST_PATTR.
        (objc_add_property_declaration): Added additional arguments.
        (objc_property_attribute_kind): Removed.
        (objc_set_property_attr): Removed.
        * c-common.c (c_common_reswords): Added readwrite, assign, retain,
        copy and nonatomic.
        * stub-objc.c (objc_add_property_declaration): Added additional
        arguments.
        (objc_set_property_attr): Removed.

2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_add_property_variable): Renamed to
        objc_add_property_declaration.  Added location argument.
        * stub-objc.c (objc_add_property_variable): Same change.

2010-10-23  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_maybe_printable_name): New.
        * stub-objc.c (objc_maybe_printable_name): New.

2010-10-22  Artjoms Sinkarovs  <artyom.shinakroff@gmail.com>
            Andrew Pinski  <pinskia@gmail.com>

        * c-common.h (c_common_mark_addressable_vec): Declare.
        * c-common.c (c_common_mark_addressable_vec): New function.

2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_set_method_type): Removed.
        (objc_add_method_declaration): Added boolean argument.
        (objc_start_method_definition): Same change.
        (objc_build_method_signature): Same change.
        * stub-objc.c (objc_set_method_type): Removed.
        (objc_add_method_declaration): Added boolean argument.
        (objc_start_method_definition): Same change.
        (objc_build_method_signature): Same change.

2010-10-20  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (finish_file): Removed.
        (objc_write_global_declarations): New.
        * c-opts.c (c_common_parse_file): Do not call finish_file.
        * stub-objc.c (objc_write_global_declarations): New.

2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented parsing @synthesize and @dynamic for
        Objective-C/Objective-C++.
        * c-common.h (enum rid): Add RID_AT_SYNTHESIZE and RID_AT_DYNAMIC.
        (objc_add_synthesize_declaration): New.
        (objc_add_dynamic_declaration): New.
        * c-common.c (c_common_reswords): Add synthesize and dynamic.
        * stub-objc.c (objc_add_synthesize_declaration): New.
        (objc_add_dynamic_declaration): New.

2010-10-18  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/46041
        * c-cppbuiltin.c (mode_has_fma): Move function here from
        builtins.c.  Don't use the fma optab, instead just use the
        HAVE_fma* macros, so that __FP_FAST_FMA* will be defined when
        using -save-temps.

2010-10-18  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-11-08  Fariborz Jahanian  <fjahanian@apple.com>

        Radar 4330422
        * c-common.h (objc_non_volatilized_type): New declaration
        * stub-objc.c (objc_non_volatilized_type): New stub.

2010-10-17  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2006-03-27 Fariborz Jahanian  <fjahanian@apple.com>

        Radar 4133425
        * c-common.h (objc_diagnose_private_ivar): New decl.
        * stub-objc.c (objc_diagnose_private_ivar): New stub.

2010-10-17  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.c (c_common_reswords): Add package, RID_AT_PACKAGE.
        * c-common.h (enum rid): Add RID_AT_PACKAGE.
        (objc_ivar_visibility_kind): New enum.
        (objc_set_visibility): Adjust prototype to use visibility enum.
        * stub-objc.c (objc_set_visibility): Adjust stub to use
        visibility enum.

2010-10-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * c-cppbuiltin.c (builtin_define_float_constants): Emit
        __FP_FAST_FMA, __FP_FAST_FMAF, and __FP_FAST_FMAL if the machine
        has the appropriate fma builtins.
        (c_cpp_builtins): Adjust call to builtin_define_float_constants.

2010-10-14  Iain Sandoe  <iains@gcc.gnu.org>

        merge from FSF apple 'trunk' branch.
        2006 Fariborz Jahanian  <fjahanian@apple.com>

        Radars 4436866, 4505126, 4506903, 4517826
        * c-common.c (c_common_resword): Define @property and its attributes.
        * c-common.h: Define property attribute enum entries.
        (OBJC_IS_PATTR_KEYWORD): New.
        (objc_property_attribute_kind): New enum.
        Declare objc_set_property_attr (), objc_add_property_variable (),
        objc_build_getter_call () and objc_build_setter_call ().
        * stub-objc.c (objc_set_property_attr): New stub.
        (objc_add_property_variable): Likewise.
        (objc_build_getter_call): Likewise.
        (objc_build_setter_call) Likewise.

2010-10-13  Iain Sandoe  <iains@gcc.gnu.org>

        merge from FSF apple 'trunk' branch.
        2006-04-26 Fariborz Jahanian  <fjahanian@apple.com>

        Radar 3803157 (method attributes)
        * c-common.c (handle_deprecated_attribute): Recognize
        objc methods as valid declarations.
        * c-common.h: Declare objc_method_decl ().
        * stub-objc.c (objc_method_decl): New stub.

2010-10-08  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Call
        decode_cmdline_options_to_array_default_mask before
        decode_options.  Update arguments to decode_options.
        * c-common.h (c_common_init_options_struct): Declare.
        * c-opts.c (c_common_init_options_struct): New.  Split out from
        c_common_init_options.

2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented fast enumeration for Objective-C.
        * c-common.h (objc_finish_foreach_loop): New.
        * stub-objc.c (objc_finish_foreach_loop): New.

2010-10-05  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (struct diagnostic_context): Don't declare here.
        (c_common_initialize_diagnostics): Declare using
        diagnostic_context typedef.
        * c-opts.c (c_common_handle_option): Pass global_dc to
        handle_generated_option.

2010-10-04  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Pass &global_options_set to
        handle_generated_option.

2010-10-03  Ian Lance Taylor  <iant@google.com>

        * c.opt (-fplan9-extensions): New option.

2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * c-cppbuiltin.c (define__GNUC__, builtin_define_type_precision):
        Remove.
        (c_cpp_builtins): Call functions from cppbuiltin.c instead
        of duplicating code.

2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.c: Add two new entries for @optional
        and @required keywords.

        merge from FSF 'apple/trunk' branch.
        2006-01-30  Fariborz Jahanian  <fjahanian@apple.com>

        Radar 4386773
        * c-common.h (RID_AT_OPTIONAL, RID_AT_REQUIRED): Two new
        objective-c keywords.
        (objc_set_method_opt): New declaration.
        * stub-objc.c (objc_set_method_opt): New stub.

2010-09-30  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_optimize_attribute): Pass &global_options to
        cl_optimization_save and cl_optimization_restore.
        * c-opts.c (c_common_handle_option): Pass &global_options to
        handle_generated_option.
        * c-pragma.c (handle_pragma_diagnostic): Use option_flag_var.
        (handle_pragma_pop_options, handle_pragma_reset_options): Pass
        &global_options to cl_optimization_restore.

2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-lex.c (c_lex_with_flags): Updated comments for CPP_AT_NAME
        Objective-C/Objective-C++ keywords.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-10-04  Fariborz Jahanian  <fjahanian@apple.com>

        Radar 4281748
        * c-common.h (objc_check_global_decl): New declaration.
        * stub-objc.c (objc_check_global_decl): New stub.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * c.opt: Don't use VarExists.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_cpp_error): Update names of diagnostic_context
        members.
        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): Update names of
        cl_optimization members.
        * c-opts.c (warning_as_error_callback, c_common_handle_option,
        sanitize_cpp_opts, finish_options): Update names of cpp_options
        members.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (OBJC_IS_CXX_KEYWORD): New macro.  Updated comments.
        (objc_is_reserved_word): Removed.
        * c-common.c: Updated comments.
        * c-lex.c (c_lex_with_flags): Use OBJC_IS_CXX_KEYWORD instead of
        objc_is_reserved_word.
        * stub-objc.c (objc_is_reserved_word): Removed.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.h (objc_add_method_declaration): Adjust prototype to
        include attributes.
        (objc_start_method_definition): Likewise.
        (objc_build_keyword_decl): Likewise.
        * stub-objc.c:(objc_add_method_declaration): Handle attributes.
        (objc_start_method_definition): Likewise.
        (objc_build_keyword_decl): Likewise.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-common.h (objc_start_class_interface): Adjust prototype.
        (objc_start_category_interface): Likewise.
        (objc_start_protocol): Likewise.
        * stub-objc.c (objc_start_protocol): Adjust for extra argument.
        (objc_start_class_interface): Likewise.
        (objc_start_category_interface): Likewise.

2010-09-27  Ian Lance Taylor  <iant@google.com>

        * c-common.c (c_common_attribute_table): Add no_split_stack.
        (handle_no_split_stack_attribute): New static function.

2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.

        2005-12-15  Fariborz Jahanian  <fjahanian@apple.com>

        Radar 4229905
        * c-common.h (objc_have_common_type): New declaration.
        * stub-objc.c (objc_have_common_type): New stub.

        2005-06-22  Ziemowit Laski  <zlaski@apple.com>

        Radar 4154928
        * c-common.h (objc_common_type): New prototype.
        * stub-objc.c (objc_common_type): New stub.

2010-09-24  Jan Hubicka  <jh@suse.cz>

        * c-common.c (handle_leaf_attribute): New function.
        (struct attribute_spec c_common_att): Add leaf.

2010-09-22  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (-all-warnings, -ansi, -assert, -assert=, -comments,
        -comments-in-macros, -define-macro, -define-macro=, -dependencies,
        -dump, -dump=, -imacros, -imacros=, -include, -include=,
        -include-barrier, -include-directory, -include-directory=,
        -include-directory-after, -include-directory-after=,
        -include-prefix, -include-prefix=, -include-with-prefix,
        -include-with-prefix=, -include-with-prefix-after,
        -include-with-prefix-after=, -include-with-prefix-before,
        -include-with-prefix-before=, -no-integrated-cpp,
        -no-line-commands, -no-standard-includes, -no-warnings, -output,
        -output=, -pedantic, -pedantic-errors, -preprocess,
        -print-missing-file-dependencies, -trace-includes, -traditional,
        -traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=,
        -user-dependencies, -verbose, -write-dependencies,
        -write-user-dependencies, no-integrated-cpp, traditional): New.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/23710
        * c-common.h (objc_start_method_definition): Return bool instead
        of void.
        * stub-objc.c (objc_start_method_definition): Return bool instead
        of void.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/25965
        * c-common.h (objc_get_interface_ivars): New declaration.
        * stub-objc.c (objc_get_interface_ivars): New stub.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * c-common.c (parse_optimize_options): Do not capitalize warning
        messages.  Remove period at end of warning message.

2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * c-common.c (handle_alias_ifunc_attribute): New, broken out of ...
        (handle_alias_attribute): ... here.
        (handle_ifunc_attribute): New.

2010-09-06  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (do_warn_double_promotion): Declare.
        * c-common.c (do_warn_double_promotion): Define.

2010-09-05  Mark Mitchell  <mark@codesourcery.com>

        * c.opt (Wdouble-promotion): New.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (falt-external-templates, fhuge-objects, fvtable-gc,
        fvtable-thunks, fxref): Mark no longer supported in help text.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (Wimport, fall-virtual, falt-external-templates,
        fdefault-inline, fenum-int-equiv, fexternal-templates,
        fguiding-decls, fhonor-std, fhuge-objects, flabels-ok,
        fname-mangling-version-, fnew-abi, fnonnull-objects,
        foptional-diags, fsquangle, fstrict-prototype, fthis-is-variable,
        fvtable-gc, fvtable-thunks, fxref): Mark with Ignore and Warn as
        applicable.
        (fhandle-exceptions): Mark with Alias and Warn.
        * c-opts.c (c_common_handle_option): Don't handle options marked
        as ignored.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (Wcomments, Werror-implicit-function-declaration,
        ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
        std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
        aliases.
        * c-common.c (option_codes): Use OPT_Wcomment instead of
        OPT_Wcomments.
        * c-opts.c (warning_as_error_callback, c_common_handle_option):
        Don't handle options marked as aliases.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        * c-common.c (c_common_get_alias_set): Remove special
        handling for pointers.

2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c: Use FOR_EACH_VEC_ELT.
        * c-gimplify.c: Likewise.
        * c-pragma.c: Likewise.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MDX): Change back to MD.  Mark NoDriverArg instead of
        RejectDriver.
        (MMDX): Change back to MMD.  Mark NoDriverArg instead of
        RejectDriver.
        * c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD
        instead of OPT_MDX and OPT_MMDX.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MDX, MMDX, lang-asm): Mark RejectDriver.

2010-08-12  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (MD, MMD): Change to MDX and MMDX.
        * c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX.

2010-08-11  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Call handle_generated_option
        instead of handle_option.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-pragma.c (add_to_renaming_pragma_list): Fix call to VEC_safe_push.
        (maybe_apply_renaming_pragma): Delete unneeded declarations.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-pragma.c (pending_redefinition): Declare.  Declare a VEC of it.
        (pending_redefine_extname): Change type to a VEC.
        (add_to_renaming_pragma_list): Update for new type of
        pending_redefine_extname.
        (maybe_apply_renaming_pragma): Likewise.

2010-08-04  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_ada_template): Mark underlying instance type as
        visited.
        (dump_generic_ada_node): Code clean up. Use TREE_VISITED flag to
        decide whether a type has already been declared/seen.
        Do not go to the original type.
        (dump_nested_types): New parameter forward.
        Generate forward declaration if needed and mark type as visited.
        (print_ada_declaration): Call dump_nested_types if not already done.
        Mark types as visited.

2010-08-03  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (-print-pch-checksum): Remove option.
        * c-opts.c (c_common_handle_option): Don't handle
        OPT_print_pch_checksum.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_handle_option): Update prototype and return
        value type.
        * c-opts.c (c_common_handle_option): Update prototype and return
        value type.  Update calls to handle_option and
        enable_warning_as_error.

2010-07-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/45079
        * c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_missing_argument): Remove.
        * c-opts.c (c_common_missing_argument): Remove.
        * c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
        idirafter, imacros, include, isysroot, isystem, iquote): Add
        MissingArgError.
        * c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * c-common.h (c_common_option_lang_mask,
        c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
        New.
        (c_common_init_options): Update prototype.
        * c-opts.c (c_common_option_lang_mask): New.
        (c_common_initialize_diagnostics): Split out of
        c_common_init_options.
        (accept_all_c_family_options, c_common_complain_wrong_lang_p):
        New.
        (c_common_init_options): Update prototype.  Use decoded options in
        search for -lang-asm.

2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
        * c-format.c: Likewise.

2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.h: Include diagnostic-core.h. Error if already
        included.
        * c-semantics.c: Do not define GCC_DIAG_STYLE here.

2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (IN_GCC_FRONTEND): Do not undef.
        Do not include expr.h
        (vector_mode_valid_p): Move here.

2010-06-21  DJ Delorie  <dj@redhat.com>

        * c-pragma.c (handle_pragma_diagnostic): Add push/pop,
        allow these pragmas anywhere.

2010-06-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44509
        * c-cppbuiltin.c: Include gt-c-family-c-cppbuiltin.h.
        (lazy_hex_fp_values, lazy_hex_fp_value_count): Add GTY(()) markers.
        (lazy_hex_fp_value, builtin_define_with_hex_fp_value): Use
        ggc_strdup instead of xstrdup.

2010-06-10  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c: Include cpp-id-data.h.
        (lazy_hex_fp_values, lazy_hex_fp_value_count): New variables.
        (lazy_hex_fp_value): New function.
        (builtin_define_with_hex_fp_value): Provide definitions lazily.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-gimplify.c: Do not include tree-flow.h

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44034
        * c-common.c: Rename targetm member:
        targetm.enum_va_list -> targetm.enum_va_list_p

2010-06-28  Anatoly Sokolov  <aesok@post.ru>

        * c-common.c (shorten_compare): Adjust call to force_fit_type_double.

2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>

        * c-cppbuiltin.c: Do not include except.h.

2010-06-24  Andi Kleen  <ak@linux.intel.com>

        * c-common.c (warn_for_omitted_condop): New.
        * c-common.h (warn_for_omitted_condop): Add prototype.

2010-06-21  Joseph Myers  <joseph@codesourcery.com>

        * c.opt (lang-objc): Remove.
        * c-opts.c (c_common_handle_option): Don't handle OPT_lang_objc.

2010-06-21  Joern Rennecke  <joern.rennecke@embecosm.com>

        * c-opts.c: Include "tm_p.h".

2010-06-20  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (parse_optimize_options): Update call to
        decode_options.

2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (record_types_used_by_current_var_decl): Adjust for
        new type of types_used_by_cur_var_decl.

2010-06-17  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44512
        * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Add cast
        for C++ standard compliance.

2010-06-16  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -Wnoexcept.

2010-06-16  Richard Guenther  <rguenther@suse.de>

        PR c/44555
        * c-common.c (c_common_truthvalue_conversion): Remove
        premature and wrong optimization concering ADDR_EXPRs.

2010-06-15  Arnaud Charlet  <charlet@adacore.com>

        * c-ada-spec.c (dump_sloc): Remove column info.
        (is_simple_enum): New function.
        (dump_generic_ada_node, print_ada_declaration): Map C enum types to Ada
        enum types when relevant.

2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (conversion_warning): Warn at expression
        location.

2010-06-10  Joseph Myers  <joseph@codesourcery.com>

        * c-opts.c (c_common_handle_option): Don't handle
        OPT_fshow_column.

2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * c-pragma.c (push_alignment): Use typed GC allocation.
        (handle_pragma_push_options): Likewise.

        * c-common.c (parse_optimize_options): Likewise.

        * c-common.h (struct sorted_fields_type): Add variable_size GTY
        option.

2010-06-07  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_preprocess_only, flag_undef, flag_no_builtin,
        flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
        flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
        flag_signed_bitfields, warn_strict_null_sentinel,
        flag_nil_receivers, flag_zero_link, flag_replace_objc_classes,
        flag_gen_declaration, flag_no_gnu_keywords,
        flag_implement_inlines, flag_implicit_templates,
        flag_implicit_inline_templates, flag_optional_diags,
        flag_elide_constructors, flag_default_inline, flag_rtti,
        flag_conserve_space, flag_access_control, flag_check_new,
        flag_new_for_scope, flag_weak, flag_working_directory,
        flag_use_cxa_atexit, flag_use_cxa_get_exception_ptr,
        flag_enforce_eh_specs, flag_threadsafe_statics,
        flag_pretty_templates): Remove.
        * c-common.h (flag_preprocess_only, flag_nil_receivers,
        flag_objc_exceptions, flag_objc_sjlj_exceptions, flag_zero_link,
        flag_replace_objc_classes, flag_undef, flag_no_builtin,
        flag_no_nonansi_builtin, flag_short_double, flag_short_wchar,
        flag_lax_vector_conversions, flag_ms_extensions, flag_no_asm,
        flag_const_strings, flag_signed_bitfields, flag_gen_declaration,
        flag_no_gnu_keywords, flag_implement_inlines,
        flag_implicit_templates, flag_implicit_inline_templates,
        flag_optional_diags, flag_elide_constructors, flag_default_inline,
        flag_rtti, flag_conserve_space, flag_access_control,
        flag_check_new, flag_new_for_scope, flag_weak,
        flag_working_directory, flag_use_cxa_atexit,
        flag_use_cxa_get_exception_ptr, flag_enforce_eh_specs,
        flag_threadsafe_statics, flag_pretty_templates,
        warn_strict_null_sentinel): Remove.
        * c.opt (E, Wstrict-null-sentinel, faccess-control, fasm,
        fbuiltin, fcheck-new, fconserve-space, felide-constructors,
        fenforce-eh-specs, ffor-scope, fgnu-keywords, fimplement-inlines,
        fimplicit-inline-templates, fimplicit-templates,
        flax-vector-conversions, fms-extensions, fnil-receivers,
        fnonansi-builtins, fpretty-templates, freplace-objc-classes,
        frtti, fshort-double, fshort-enums, fshort-wchar,
        fsigned-bitfields, fsigned-char, fstats, fthreadsafe-statics,
        funsigned-bitfields, funsigned-char, fuse-cxa-atexit,
        fuse-cxa-get-exception-ptr, fweak, fworking-directory, fzero-link,
        gen-decls, undef): Use Var.
        (fdefault-inline, foptional-diags): Document as doing nothing.
        * c-opts.c (c_common_handle_option): Remove cases for options now
        using Var.  Mark ignored options as such.

2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Moved to here from parent directory.
        * c-common.def: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-format.h : Likewise.
        * c-gimplify.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c.opt: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pragma.h: Likewise.
        * c-pretty-print.c: Likewise.
        * c-pretty-print.h: Likewise.
        * c-semantics.c: Likewise.
        * stub-objc.c: Likewise.

        * c-common.c: Include gt-c-family-c-common.h.
        * c-pragma.c: Include gt-c-family-c-pragma.h.
\f
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