gcc/cp/ChangeLog

   1 2018-01-12  Nathan Sidwell  <nathan@acm.org>
   2
   3         * cp-tree.h (mark_rvalue_use): Add parm name.
   4         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
   5         mark_rvalue_use.
   6         * call.c (convert_like_real): Fix formatting.
   7
   8 2018-01-11  Jason Merrill  <jason@redhat.com>
   9
  10         PR c++/82728 - wrong -Wunused-but-set-variable
  11         PR c++/82799
  12         PR c++/83690
  13         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
  14         * decl.c (case_conversion): Likewise.
  15         * semantics.c (finish_static_assert): Call
  16         perform_implicit_conversion_flags.
  17
  18 2018-01-11  Nathan Sidwell  <nathan@acm.org>
  19
  20         * method.c (enum mangling_flags): Delete long-dead enum.
  21
  22 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
  23
  24         * parser.c (cp_parser_std_attribute_spec): When
  25         token_pair::require_open / require_close return false simply
  26         return error_mark_node, avoid duplicate cp_parser_error about
  27         expected '(' / ')', respectively.
  28
  29 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
  30
  31         PR c++/43486
  32         * call.c (null_ptr_cst_p): Strip location wrappers when
  33         converting from '0' to a pointer type in C++11 onwards.
  34         (conversion_null_warnings): Replace comparison with null_node with
  35         call to null_node_p.
  36         (build_over_call): Likewise.
  37         * cp-gimplify.c (cp_fold): Remove the early bailout when
  38         processing_template_decl.
  39         * cp-lang.c (selftest::run_cp_tests): Call
  40         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
  41         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
  42         (selftest::run_cp_tests): Move decl to bottom of file.
  43         (null_node_p): New inline function.
  44         (selftest::cp_pt_c_tests): New decl.
  45         (selftest::cp_tree_c_tests): New decl.
  46         * cvt.c (build_expr_type_conversion): Replace comparison with
  47         null_node with call to null_node_p.
  48         * error.c (args_to_string): Likewise.
  49         * except.c (build_throw): Likewise.
  50         * mangle.c (write_expression): Skip location wrapper nodes.
  51         * parser.c (literal_integer_zerop): New function.
  52         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
  53         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
  54         param of cp_parser_parenthesized_expression_list.  When calling
  55         warn_for_memset, replace integer_zerop calls with
  56         literal_integer_zerop, eliminating the double logical negation
  57         cast to bool.  Eliminate the special-casing for CONST_DECL in
  58         favor of the fold_for_warn within warn_for_memset.
  59         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
  60         param, defaulting to false.  Convert "expr" to a cp_expr, and call
  61         maybe_add_location_wrapper on it when wrap_locations_p is true.
  62         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
  63         the result for RID_ALIGNOF and RID_SIZEOF.
  64         (cp_parser_builtin_offsetof): Likewise.
  65         * pt.c: Include "selftest.h".
  66         (tsubst_copy): Handle location wrappers.
  67         (tsubst_copy_and_build): Likewise.
  68         (build_non_dependent_expr): Likewise.
  69         (selftest::test_build_non_dependent_expr): New function.
  70         (selftest::cp_pt_c_tests): New function.
  71         * tree.c: Include "selftest.h".
  72         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
  73         (selftest::test_lvalue_kind): New function.
  74         (selftest::cp_tree_c_tests): New function.
  75         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
  76         (cp_build_binary_op): Replace comparison with null_node with call
  77         to null_node_p.
  78         (build_address): Use location of operand when building address
  79         expression.
  80
  81 2018-01-10  Marek Polacek  <polacek@redhat.com>
  82
  83         PR c++/82541
  84         * call.c (build_conditional_expr_1): Check complain before warning.
  85         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
  86         -Wduplicated-branches.
  87
  88 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
  89
  90         PR c++/81327
  91         * call.c (maybe_warn_class_memaccess): Add forward declaration.
  92         Change last argument from tree * to const vec<tree, va_gc> *, adjust
  93         args uses and check number of operands too.  Don't strip away any
  94         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
  95         Deal with src argument not having pointer type.  Check
  96         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
  97         test.
  98         (build_over_call): Call maybe_warn_class_memaccess here on the
  99         original arguments.
 100         (build_cxx_call): Rather than here on converted arguments.
 101
 102 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
 103
 104         PR c++/81055
 105         * init.c (build_vec_init): Avoid building an INIT_EXPR with
 106         error_mark_node as second argument.
 107
 108 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
 109
 110         PR c++/83734
 111         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
 112         in STATEMENT_LIST.  Remove unneeded assert.
 113
 114 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 115             Alan Hayward  <alan.hayward@arm.com>
 116             David Sherwood  <david.sherwood@arm.com>
 117
 118         * constexpr.c (cxx_eval_array_reference): Handle polynomial
 119         VECTOR_CST_NELTS.
 120         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
 121         * call.c (build_conditional_expr_1): Likewise.
 122         * decl.c (cp_finish_decomp): Likewise.
 123         * mangle.c (write_type): Likewise.
 124         * typeck.c (structural_comptypes): Likewise.
 125         (cp_build_binary_op): Likewise.
 126         * typeck2.c (process_init_constructor_array): Likewise.
 127
 128 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 129
 130         PR c++/83555
 131         * typeck.c (build_static_cast_1): For static casts to reference types,
 132         call build_base_path with flag_delete_null_pointer_checks as nonnull
 133         instead of always false.  When -fsanitize=null, call
 134         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
 135         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
 136         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
 137
 138 2018-01-03  Nathan Sidwell  <nathan@acm.org>
 139
 140         PR c++/83667
 141         * method.c (make_alias_for): Copy DECL_CONTEXT.
 142
 143 2018-01-03  Marek Polacek  <polacek@redhat.com>
 144
 145         PR c++/83592
 146         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
 147
 148 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 149
 150         PR preprocessor/83602
 151         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
 152         for builtin macros.
 153
 154         PR c++/83634
 155         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
 156         error_mark_node, return error_mark_node.
 157
 158         Update copyright years.
 159
 160 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
 161
 162         PR c++/83556
 163         * tree.c (replace_placeholders_r): Pass NULL as last argument to
 164         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
 165         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
 166         to false and return.
 167         (replace_placeholders): Pass NULL instead of &pset as last argument
 168         to cp_walk_tree.
 169
 170 2018-01-02  Nathan Sidwell  <nathan@acm.org>
 171
 172         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
 173         lval var.
 174 \f
 175 Copyright (C) 2018 Free Software Foundation, Inc.
 176
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