PR objc/80949

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

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-family/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
        * gcc/c-family/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
Copyright (C) 2010-2017 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.