Daily bump.

[thirdparty/gcc.git] / gcc / cp / ChangeLog

2023-08-29  Marek Polacek  <polacek@redhat.com>

        * call.cc (convert_like_internal): Show where the conversion function
        was declared.
        (maybe_show_nonconverting_candidate): New.
        * cp-tree.h (maybe_show_nonconverting_candidate): Declare.
        * typeck.cc (convert_for_assignment): Call it.

2023-08-25  Sandra Loosemore  <sandra@codesourcery.com>

        * cp-tree.h (cp_convert_omp_range_for): Adjust declaration.
        * parser.cc (struct omp_for_parse_data): New.
        (cp_parser_postfix_expression): Diagnose calls to OpenMP runtime
        in intervening code.
        (check_omp_intervening_code): New.
        (cp_parser_statement_seq_opt): Special-case nested loops, blocks,
        and other constructs for OpenMP loops.
        (cp_parser_iteration_statement): Reject loops in intervening code.
        (cp_parser_omp_for_loop_init): Expand comments and tweak the
        interface slightly to better distinguish input/output parameters.
        (cp_convert_omp_range_for): Likewise.
        (cp_parser_omp_loop_nest): New, split from cp_parser_omp_for_loop
        and largely rewritten.  Add more comments.
        (insert_structured_blocks): New.
        (find_structured_blocks): New.
        (struct sit_data, substitute_in_tree_walker, substitute_in_tree):
        New.
        (fixup_blocks_walker): New.
        (cp_parser_omp_for_loop): Rewrite to use recursive descent instead
        of a loop.  Add logic to reshuffle the bits of code collected
        during parsing so intervening code gets moved to the loop body.
        (cp_parser_omp_loop): Remove call to finish_omp_for_block, which
        is now redundant.
        (cp_parser_omp_simd): Likewise.
        (cp_parser_omp_for): Likewise.
        (cp_parser_omp_distribute): Likewise.
        (cp_parser_oacc_loop): Likewise.
        (cp_parser_omp_taskloop): Likewise.
        (cp_parser_pragma): Reject OpenMP pragmas in intervening code.
        * parser.h (struct cp_parser): Add omp_for_parse_state field.
        * pt.cc (tsubst_omp_for_iterator): Adjust call to
        cp_convert_omp_range_for.
        * semantics.cc (finish_omp_for): Try harder to preserve location
        of loop variable init expression for use in diagnostics.
        (struct fofb_data, finish_omp_for_block_walker): New.
        (finish_omp_for_block): Allow variables to be bound in a BIND_EXPR
        nested inside BIND instead of directly in BIND itself.

2023-08-25  Sandra Loosemore  <sandra@codesourcery.com>

        * constexpr.cc (cxx_eval_constant_expression): Handle
        OMP_STRUCTURED_BLOCK.
        * pt.cc (tsubst_expr): Likewise.

2023-08-25  Uros Bizjak  <ubizjak@gmail.com>

        * call.cc (build_conditional_expr):
        Rename TRUE/FALSE to true/false.
        (build_new_op): Ditto.

2023-08-22  Jason Merrill  <jason@redhat.com>

        * pt.cc (outer_template_args): Handle non-template argument.
        * constraint.cc (maybe_substitute_reqs_for): Pass decl to it.
        * cp-tree.h (outer_template_args): Adjust.

2023-08-22  Jason Merrill  <jason@redhat.com>

        PR c++/109751
        * cp-tree.h (member_like_constrained_friend_p): Declare.
        * decl.cc (member_like_constrained_friend_p): New.
        (function_requirements_equivalent_p): Check it.
        (duplicate_decls): Check it.
        (grokfndecl): Check friend template constraints.
        * mangle.cc (decl_mangling_context): Check it.
        (write_unqualified_name): Check it.
        * pt.cc (uses_outer_template_parms_in_constraints): Fix for friends.
        (tsubst_friend_function): Don't check satisfaction.

2023-08-22  Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_clause_defaultmap): Parse
        'all' as category.

2023-08-15  Chung-Lin Tang  <cltang@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>

        * parser.cc (OACC_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT.

2023-08-14  gnaggnoyil  <gnaggnoyil@gmail.com>

        DR 2386
        PR c++/110216
        * decl.cc (get_tuple_size): Update implementation for DR 2386.

2023-08-14  Jason Merrill  <jason@redhat.com>

        * parser.cc (cp_parser_simple_type_specifier): Handle -std=c++14
        -fconcepts.

2023-08-12  Patrick Palka  <ppalka@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/106604
        * decl.cc (redeclaration_error_message): Remove special handling
        for deduction guides.
        (grokfndecl): Give deduction guides a dummy DECL_INITIAL.

2023-08-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/110927
        * parser.cc (cp_parser_type_requirement): Pass
        check_dependency_p=true instead of =false.

2023-08-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/71954
        * decl.cc (grokdeclarator): Pass 'dname' instead of
        'unqualified_id' as the name when building the VAR_DECL for a
        static data member.  Call check_explicit_specialization for a
        TEMPLATE_ID_EXPR such member.
        * pt.cc (finish_member_template_decl): Return NULL_TREE
        instead of 'decl' when DECL_TEMPLATE_SPECIALIZATION is not
        set.

2023-08-11  Patrick Palka  <ppalka@redhat.com>

        * ptree.cc (cxx_print_decl): Check for DECL_LANG_SPECIFIC and
        TS_DECL_COMMON only when necessary.  Print DECL_TEMPLATE_INFO
        for all decls that have it, not just VAR_DECL or FUNCTION_DECL.
        Also print DECL_USE_TEMPLATE.
        (cxx_print_type): Print TYPE_TEMPLATE_INFO.
        <case BOUND_TEMPLATE_TEMPLATE_PARM>: Don't print TYPE_TI_ARGS
        anymore.
        <case TEMPLATE_TYPE/TEMPLATE_PARM>: Print TEMPLATE_TYPE_PARM_INDEX
        instead of printing the index, level and original level
        individually.

2023-08-08  Marek Polacek  <polacek@redhat.com>

        * parser.cc (cp_parser_postfix_expression): Adjust the call to
        cp_parser_braced_list.
        (cp_parser_postfix_open_square_expression): Likewise.
        (cp_parser_new_initializer): Likewise.
        (cp_parser_assignment_expression): Adjust the call to
        cp_parser_initializer_clause.
        (cp_parser_lambda_introducer): Adjust the call to cp_parser_initializer.
        (cp_parser_range_for): Adjust the call to cp_parser_braced_list.
        (cp_parser_jump_statement): Likewise.
        (cp_parser_mem_initializer): Likewise.
        (cp_parser_template_argument): Likewise.
        (cp_parser_default_argument): Adjust the call to cp_parser_initializer.
        (cp_parser_initializer): Handle null is_direct_init and non_constant_p
        arguments.
        (cp_parser_initializer_clause): Handle null non_constant_p argument.
        (cp_parser_braced_list): Likewise.
        (cp_parser_initializer_list): Likewise.
        (cp_parser_member_declaration): Adjust the call to
        cp_parser_initializer_clause and cp_parser_initializer.
        (cp_parser_yield_expression): Adjust the call to cp_parser_braced_list.
        (cp_parser_functional_cast): Likewise.
        (cp_parser_late_parse_one_default_arg): Adjust the call to
        cp_parser_initializer.
        (cp_parser_omp_for_loop_init): Likewise.
        (cp_parser_omp_declare_reduction_exprs): Likewise.

2023-08-08  Nathaniel Shead  <nathanieloshead@gmail.com>

        PR c++/100482
        * parser.cc (cp_parser_decltype_expr): Report errors raised by
        finish_id_expression.

2023-08-04  Tamar Christina  <tamar.christina@arm.com>

        * cp-tree.h (RANGE_FOR_NOVECTOR): New.
        (cp_convert_range_for, finish_while_stmt_cond, finish_do_stmt,
        finish_for_cond): Add novector param.
        * init.cc (build_vec_init): Default novector to false.
        * method.cc (build_comparison_op): Likewise.
        * parser.cc (cp_parser_statement): Likewise.
        (cp_parser_for, cp_parser_c_for, cp_parser_range_for,
        cp_convert_range_for, cp_parser_iteration_statement,
        cp_parser_omp_for_loop, cp_parser_pragma): Support novector.
        (cp_parser_pragma_novector): New.
        * pt.cc (tsubst_expr): Likewise.
        * semantics.cc (finish_while_stmt_cond, finish_do_stmt,
        finish_for_cond): Likewise.

2023-08-01  Lewis Hyatt  <lhyatt@gmail.com>

        * parser.cc (c_init_preprocess): New function.
        (maybe_read_tokens_for_pragma_lex): New function.
        (pragma_lex): Support preprocess-only mode.
        (pragma_lex_discard_to_eol): New function.

2023-07-31  Chung-Lin Tang  <cltang@codesourcery.com>

        * parser.cc (cp_parser_oacc_host_data): Add checking requiring OpenACC
        host_data construct to have an use_device clause.

2023-07-28  Ng YongXiang  <yongxiangng@gmail.com>

        PR c++/110057
        PR ipa/83054
        * init.cc (build_vec_delete_1): Devirtualize array destruction.

2023-07-27  Patrick Palka  <ppalka@redhat.com>

        PR c++/110197
        * constexpr.cc (cxx_eval_array_reference): Allow synthesizing an
        empty subobject even if CONSTRUCTOR_NO_CLEARING is set.
        (cxx_eval_bare_aggregate): Set 'no_slot' to true more generally
        whenever new_ctx.ctor is set to NULL_TREE by init_subob_ctx,
        i.e. whenever initializing an subobject of empty type.
        (cxx_eval_vec_init_1): Define 'no_slot' as above and use it
        accordingly.

2023-07-27  Nathaniel Shead  <nathanieloshead@gmail.com>

        PR c++/103497
        * pt.cc (type_uses_auto): Check inside parameter packs.

2023-07-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/110566
        PR c++/108179
        * pt.cc (reduce_template_parm_level): Set DECL_TEMPLATE_INFO
        on the DECL_TEMPLATE_RESULT of the new ttp.
        (add_defaults_to_ttp): Make a copy of the original ttp's
        DECL_TEMPLATE_RESULT, and update this copy's DECL_TEMPLATE_INFO
        as well.
        (coerce_template_template_parms): Make sure 'scope_args' has
        the right amount of levels for the ttp argument.
        (most_general_template): Handle template template parameters.
        (rewrite_template_parm): Set DECL_TEMPLATE_RESULT on the
        DECL_TEMPLATE_RESULT of the new ttp.

2023-07-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/110566
        PR c++/108179
        * pt.cc (coerce_template_template_parms): Simplify by using
        DECL_INNERMOST_TEMPLATE_PARMS and removing redundant asserts.
        Always pass the parameters of the most general template to
        coerce_template_parms.

2023-07-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/110809
        * pt.cc (unify) <case INTEGER_CST>: Generalize to handle
        REAL_CST as well.

2023-07-26  Marek Polacek  <polacek@redhat.com>

        * parser.cc (cp_parser_constant_expression): Allow non_constant_p to be
        nullptr even when allow_non_constant_p is true.  Don't call
        _rvalue_constant_expression when not necessary.  Move local variable
        declarations closer to their first use.
        (cp_parser_static_assert): Don't pass a dummy down to
        cp_parser_constant_expression.

2023-07-26  Jason Merrill  <jason@redhat.com>

        PR c++/106310
        * parser.cc (cp_parser_template_name): Skip non-member
        lookup after the template keyword.
        (cp_parser_lookup_name): Pass down template_keyword_p.

2023-07-26  Nathaniel Shead  <nathanieloshead@gmail.com>

        PR c++/96630
        PR c++/98675
        PR c++/70331
        * constexpr.cc (constexpr_global_ctx::is_outside_lifetime): New
        function.
        (constexpr_global_ctx::get_value): Don't return expired values.
        (constexpr_global_ctx::get_value_ptr): Likewise.
        (constexpr_global_ctx::remove_value): Mark value outside
        lifetime.
        (outside_lifetime_error): New function.
        (cxx_eval_call_expression): No longer track save_exprs.
        (cxx_eval_loop_expr): Likewise.
        (cxx_eval_constant_expression): Add checks for outside lifetime
        values. Remove local variables at end of bind exprs, and
        temporaries after cleanup points.

2023-07-26  Nathaniel Shead  <nathanieloshead@gmail.com>

        PR c++/110619
        * cp-gimplify.cc (cp_genericize_r): Transform RETURN_EXPRs to
        not return dangling pointers.
        * cp-tree.h (RETURN_EXPR_LOCAL_ADDR_P): New flag.
        (check_return_expr): Add a new parameter.
        * semantics.cc (finish_return_stmt): Set flag on RETURN_EXPR
        when referring to dangling pointer.
        * typeck.cc (check_return_expr): Disable transformation of
        dangling pointers, instead pass this information to caller.

2023-07-26  Nathaniel Shead  <nathanieloshead@gmail.com>

        * constexpr.cc (modifying_const_object_error): Find the source
        location of the const object's declaration.
        (cxx_eval_constant_expression): Update input_location to the
        location of the currently evaluated expression, if possible.

2023-07-25  Marek Polacek  <polacek@redhat.com>

        PR c++/108960
        * pt.cc (lookup_and_finish_template_variable): Don't clear tf_partial
        here.
        (instantiate_template): Reset all complain flags except
        tf_warning_or_error.

2023-07-25  Marek Polacek  <polacek@redhat.com>

        PR c++/110382
        * constexpr.cc (cxx_eval_array_reference): Create a new constructor
        only when we don't already have a matching one.  Clear the object
        when the type is non-scalar.

2023-07-21  Marek Polacek  <polacek@redhat.com>

        PR c++/110106
        * constexpr.cc (potential_constant_expression_1): Try to complete the
        type when !processing_template_decl.

2023-07-20  Marek Polacek  <polacek@redhat.com>

        PR c++/110114
        * call.cc (implicit_conversion_1): Return early if the type isn't
        complete.

2023-07-19  Marek Polacek  <polacek@redhat.com>

        PR c++/110745
        * error.cc (dump_simple_decl): Print base class name.

2023-07-19  Marek Polacek  <polacek@redhat.com>

        PR c++/110064
        * typeck2.cc (process_init_constructor_record): Don't emit
        -Wmissing-field-initializers for empty classes.

2023-07-19  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (type_unification_real): Test for PARM_DECL instead
        of TEMPLATE_PARM_INDEX to distinguish a type vs non-type
        template parameter pack.
        (type_targs_deducible_from): Likewise.

2023-07-19  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (tsubst_function_decl): Add defaulted 'use_spec_table'
        flag parameter.  Don't look up or insert into the specializations
        table if 'use_spec_table' is false.
        (tsubst_decl): Add defaulted 'use_spec_table' flag parameter.
        Check for error_mark_node.
        <case FUNCTION_DECL>: Pass 'use_spec_table' to
        tsubst_function_decl.
        <case TYPE/VAR_DECL>: Don't call coerce_template_parms.
        Don't look up or insert into the specializations table if
        'use_spec_table' is false.  Exit earlier if the substituted
        type is erroneous and we're not complaining, and do so for
        alias specializations as well.
        (instantiate_template): Pass false as 'use_spec_table'
        to tsubst_decl.  Call register_specialization afterwards.

2023-07-18  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (cxx_eval_bit_cast): Check that the result of
        native_interpret_aggregate doesn't need more evaluation.

2023-07-18  Patrick Palka  <ppalka@redhat.com>

        * call.cc (add_template_conv_candidate): Don't check for
        non-empty 'candidates' here.
        (build_op_call): Check it here, before we've considered any
        conversion functions.

2023-07-18  Patrick Palka  <ppalka@redhat.com>

        PR c++/110535
        * call.cc (add_conv_candidate): Check constraints.

2023-07-17  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (cxx_eval_call_expression): Only cache
        reduced_constant_expression_p results.
        (reduced_constant_expression_p): Handle CONSTRUCTOR of scalar type.
        (cxx_eval_constant_expression): Fold vectors here.
        (cxx_eval_bare_aggregate): Not here.

2023-07-15  Patrick Palka  <ppalka@redhat.com>

        PR c++/110441
        * call.cc (keep_unused_object_arg): Use cp_build_compound_expr
        instead of building a COMPOUND_EXPR directly.

2023-07-15  Patrick Palka  <ppalka@redhat.com>

        PR c++/110524
        * mangle.cc (write_expression): Handle TEMPLATE_ID_EXPR
        whose template is already an IDENTIFIER_NODE.

2023-07-14  Nathaniel Shead  <nathanieloshead@gmail.com>

        * constexpr.cc (cxx_eval_constant_expression): Pass t to get_value.

2023-07-14  Jason Merrill  <jason@redhat.com>

        PR c++/110344
        * constexpr.cc (cxx_eval_constant_expression): Move P2738 handling
        after heap handling.
        * name-lookup.cc (get_cxx_dialect_name): Add C++26.

2023-07-14  Marek Polacek  <polacek@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/109876
        * decl.cc (cp_finish_decl): Set TREE_CONSTANT when initializing
        an object of empty class type.
        * pt.cc (value_dependent_expression_p) <case VAR_DECL>: Treat a
        constexpr-declared non-constant variable as value-dependent.

2023-07-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/110580
        * pt.cc (lookup_template_variable): Pass all levels of arguments
        to coerce_template_parms, and use the parameters from the most
        general template.

2023-07-10  Patrick Palka  <ppalka@redhat.com>

        PR c++/110523
        * pt.cc (redeclare_class_template): Relax the ttp DECL_CONTEXT
        assert, and downgrade it to a checking assert.

2023-06-30  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (TEMPLATE_PARM_DESCENDANTS): Harden.
        (TEMPLATE_TYPE_DESCENDANTS): Define.
        (TEMPLATE_TEMPLATE_PARM_SIMPLE_P): Define.
        * pt.cc (reduce_template_parm_level): Revert
        r14-418-g0bc2a1dc327af9 change.
        (process_template_parm): Set TEMPLATE_TEMPLATE_PARM_SIMPLE_P
        appropriately.
        (uses_outer_template_parms): Determine the outer depth of
        a template template parm without relying on DECL_CONTEXT.
        (tsubst) <case TEMPLATE_TEMPLATE_PARM>: Cache lowering a
        simple template template parm.  Consistently use 'code'.

2023-06-29  Patrick Palka  <ppalka@redhat.com>

        PR c++/110468
        * init.cc (maybe_instantiate_nsdmi_init): Mask out all
        tsubst flags except for tf_warning_or_error.

2023-06-29  Patrick Palka  <ppalka@redhat.com>

        PR c++/110463
        * cp-gimplify.cc (cp_fold) <case CONSTRUCTOR>: Propagate
        CONSTRUCTOR_MUTABLE_POISON.

2023-06-29  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (tree_template_info::partial): New data member.
        (TI_PARTIAL_INFO): New tree accessor.
        (most_specialized_partial_spec): Add defaulted bool parameter.
        * module.cc (trees_out::core_vals) <case TEMPLATE_INFO>: Stream
        TI_PARTIAL_INFO.
        (trees_in::core_vals) <case TEMPLATE_INFO>: Likewise.
        * parser.cc (specialization_of): Adjust after making
        most_specialized_partial_spec return TEMPLATE_INFO instead
        of TREE_LIST.
        * pt.cc (process_partial_specialization): Set TI_PARTIAL_INFO
        of 'decl' to point back to the partial TEMPLATE_DECL.  Likewise
        (and pass rechecking=true to most_specialization_partial_spec).
        (instantiate_class_template): Likewise.
        (instantiate_template): Set TI_PARTIAL_INFO to the result of
        most_specialization_partial_spec after forming a variable
        template specialization.
        (most_specialized_partial_spec): Add 'rechecking' parameter.
        Exit early if the template is not primary.  Use the TI_PARTIAL_INFO
        of the corresponding TEMPLATE_INFO as a cache unless 'rechecking'
        is true.  Don't bother setting TREE_TYPE of each TREE_LIST.
        (instantiate_decl): Adjust after making
        most_specialized_partial_spec return TEMPLATE_INFO instead of
        TREE_LIST.
        * ptree.cc (cxx_print_xnode) <case TEMPLATE_INFO>: Dump
        TI_PARTIAL_INFO.

2023-06-29  Eugene Rozenfeld  <erozen@microsoft.com>

        * Make-lang.in: Pass correct stage cc1plus when processing
        profile data collected while building target libraries

2023-06-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/89442
        PR c++/107437
        * cp-tree.h (lookup_template_variable): Add complain parameter.
        * parser.cc (cp_parser_template_id): Pass tf_warning_or_error
        to lookup_template_variable.
        * pt.cc (lookup_template_variable): Add complain parameter.
        Coerce template arguments here ...
        (finish_template_variable): ... instead of here.
        (lookup_and_finish_template_variable): Check for error_mark_node
        result from lookup_template_variable.
        (tsubst_copy) <case TEMPLATE_ID_EXPR>: Pass complain to
        lookup_template_variable.
        (instantiate_template): Use build2 instead of
        lookup_template_variable to build a TEMPLATE_ID_EXPR
        for most_specialized_partial_spec.

2023-06-28  Marek Polacek  <polacek@redhat.com>

        PR c++/110175
        * typeck.cc (cp_build_unary_op): Check tf_warning before warning.

2023-06-28  Jason Merrill  <jason@redhat.com>

        PR c++/110334
        * cp-tree.h (clone_attrs): Declare.
        * method.cc (implicitly_declare_fn): Use it for inherited
        constructor.
        * optimize.cc (clone_attrs): New.
        (maybe_clone_body): Use it.

2023-06-28  Jason Merrill  <jason@redhat.com>

        PR c++/110344
        * constexpr.cc (cxx_eval_constant_expression): In C++26, allow cast
        from void* to the type of a pointed-to object.

2023-06-23  David Malcolm  <dmalcolm@redhat.com>

        PR c++/110164
        * cp-name-hint.h (maybe_suggest_missing_header): New decl.
        * decl.cc: Define INCLUDE_MEMORY.  Add include of
        "cp/cp-name-hint.h".
        (start_decl_1): Call maybe_suggest_missing_header.
        * name-lookup.cc (maybe_suggest_missing_header): Remove "static".

2023-06-16  Alex Coplan  <alex.coplan@arm.com>

        * parser.cc (cp_parser_enum_specifier): Don't reject
        elaborated-type-specifier with enum-base, instead emit new
        Welaborated-enum-base warning.

2023-06-14  Jason Merrill  <jason@redhat.com>

        DR 2327
        PR c++/86521
        * call.cc (joust_maybe_elide_copy): Don't change cand.
        (joust): Move the elided tiebreaker later.

2023-06-13  David Malcolm  <dmalcolm@redhat.com>

        PR c/84890
        * name-lookup.cc (missing_std_header::~missing_std_header): Reword
        note to avoid negative tone of "forgetting".

2023-06-13  Jason Merrill  <jason@redhat.com>

        * tree.cc (build_target_expr): Check TYPE_HAS_MUTABLE_P.

2023-06-12  Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_clause_map): Reword error message for
        clearness especially with 'omp target (enter/exit) data.'
        * semantics.cc (handle_omp_array_sections): Handle
        GOMP_MAP_{ALWAYS_,}PRESENT_{TO,TOFROM,FROM,ALLOC} enum values.

2023-06-12  Jason Merrill  <jason@redhat.com>

        PR c++/105838
        * call.cc (convert_like_internal) [ck_list]: Use
        maybe_init_list_as_array.
        * constexpr.cc (cxx_eval_vec_init_1): Init might have
        a different type.
        * tree.cc (build_vec_init_elt): Likewise.
        * init.cc (build_vec_init): Handle from_array from a
        TARGET_EXPR.  Retain TARGET_EXPR of a different type.

2023-06-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/110122
        * constexpr.cc (cxx_eval_call_expression): Synthesize defaulted
        functions needed for constant evaluation.
        (instantiate_cx_fn_r): Likewise.

2023-06-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/110122
        * pt.cc (lookup_template_class): Extend shortcut for looking up the
        current class scope to consider outer class scopes too, and use
        current_nonlambda_class_type instead of current_class_type.  Only
        call coerce_template_parms when specializing a primary template.

2023-06-10  Nathan Sidwell  <nathan@acm.org>

        PR c++/61663
        * pt.cc (maybe_adjust_types_for_deduction): Implement DR976.

2023-06-09  Jason Merrill  <jason@redhat.com>

        PR c++/110185
        PR c++/58487
        * method.cc (build_comparison_op): Give retval a name.
        * typeck.cc (check_return_expr): Fix for nameless variables.

2023-06-09  Jason Merrill  <jason@redhat.com>

        * parser.cc (cp_parser_simple_type_specifier): Check for auto
        in template argument.
        (cp_parser_template_type_arg): Remove auto checking.

2023-06-09  Jason Merrill  <jason@redhat.com>

        PR c++/110102
        * call.cc (maybe_init_list_as_array): Check that the element type is
        copyable.

2023-06-07  Jason Merrill  <jason@redhat.com>

        PR c++/58487
        PR c++/53637
        * cp-tree.h (INIT_EXPR_NRV_P): New.
        * semantics.cc (finalize_nrv_r): Check it.
        * name-lookup.h (decl_in_scope_p): Declare.
        * name-lookup.cc (decl_in_scope_p): New.
        * typeck.cc (check_return_expr): Allow non-NRV
        returns if the NRV is no longer in scope.

2023-06-07  Jason Merrill  <jason@redhat.com>

        PR c++/58487
        * typeck.cc (want_nrvo_p): New.
        (check_return_expr): Handle -Wnrvo.

2023-06-07  Jason Merrill  <jason@redhat.com>

        PR c++/51571
        PR c++/92407
        * decl.cc (finish_function): Simplify NRV handling.
        * except.cc (maybe_set_retval_sentinel): Also set if NRV.
        (maybe_splice_retval_cleanup): Don't add the cleanup region
        if we don't need it.
        * semantics.cc (nrv_data): Add simple field.
        (finalize_nrv): Set it.
        (finalize_nrv_r): Check it and retval sentinel.
        * cp-tree.h (finalize_nrv): Adjust declaration.
        * typeck.cc (check_return_expr): Remove named_labels check.

2023-06-07  Jason Merrill  <jason@redhat.com>

        PR c++/92407
        * typeck.cc (check_return_expr): Prevent NRV in the presence of
        named labels.

2023-06-07  Jason Merrill  <jason@redhat.com>

        PR c++/33799
        * except.cc (maybe_splice_retval_cleanup): Change
        recognition of function body and try scopes.
        * semantics.cc (do_poplevel): Call it after poplevel.
        (at_try_scope): New.
        * cp-tree.h (maybe_splice_retval_cleanup): Adjust.

2023-06-07  Jason Merrill  <jason@redhat.com>

        * semantics.cc (finalize_nrv_r): [RETURN_EXPR]: Only replace the
        INIT_EXPR.

2023-06-06  Kwok Cheung Yeung  <kcy@codesourcery.com>
            Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_clause_defaultmap,
        cp_parser_omp_clause_map): Parse 'present'.
        (cp_parser_omp_clause_from_to): New; parse to/from
        clauses with optional 'present' modifier.
        (cp_parser_omp_all_clauses): Update call.
        (cp_parser_omp_target_data, cp_parser_omp_target_enter_data,
        cp_parser_omp_target_exit_data): Handle new enum value for
        'present' mapping.
        * semantics.cc (finish_omp_target): Likewise.

2023-06-04  Jason Merrill  <jason@redhat.com>

        PR c++/97720
        * cp-tree.h (enum cp_tree_index): Add CPTI_CALL_TERMINATE_FN.
        (call_terminate_fn): New macro.
        * cp-gimplify.cc (gimplify_must_not_throw_expr): Use it.
        * except.cc (init_exception_processing): Set it.
        (cp_protect_cleanup_actions): Return it.

2023-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/109923
        * pt.cc (is_specialization_of_friend): Fix overbroad check for
        a non-template member function of a class template.

2023-06-03  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (iterative_hash_template_arg): Don't hash
        TEMPLATE_TEMPLATE_PARM specially.

2023-06-03  Patrick Palka  <ppalka@redhat.com>

        * class.cc (build_base_path): Check in_template_context instead
        of in_template_function.
        (resolves_to_fixed_type_p): Likewise.
        * cp-tree.h (in_template_context): Define.
        (in_template_function): Remove.
        * decl.cc (cp_make_fname_decl): Check current_function_decl
        and in_template_context instead of in_template_function.
        * decl2.cc (mark_used): Check in_template_context instead of
        in_template_function.
        * pt.cc (in_template_function): Remove.
        * semantics.cc (enforce_access): Check in_template_context
        instead of current_template_parms directly.

2023-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/70790
        * mangle.cc (write_expression): Handle NOEXCEPT_EXPR.

2023-06-02  Jason Merrill  <jason@redhat.com>

        DR 2735
        PR c++/109247
        * call.cc (sfk_copy_or_move): New.
        (joust): Add tiebreaker for explicit conv and copy ctor.

2023-06-02  Jason Merrill  <jason@redhat.com>

        PR c++/110070
        PR c++/105838
        * call.cc (maybe_init_list_as_array): Set DECL_MERGEABLE.
        (convert_like_internal) [ck_list]: Set it.
        (set_up_extended_ref_temp): Copy it.
        * tree.cc (handle_no_unique_addr_attribute): Set it.

2023-06-01  Jason Merrill  <jason@redhat.com>

        * typeck2.cc (check_narrowing): Check flag_permissive.

2023-05-30  Tobias Burnus  <tobias@codesourcery.com>

        PR c/109999
        * parser.cc (cp_parser_oacc_all_clauses,
        cp_parser_omp_all_clauses): Improve error wording.

2023-05-19  Andrew Pinski  <apinski@marvell.com>

        PR driver/33980
        * lang-specs.h ("@c++-header"): Add %w after
        the --output-pch.
        ("@c++-system-header"): Likewise.
        ("@c++-user-header"): Likewise.

2023-05-19  Patrick Palka  <ppalka@redhat.com>

        * constraint.cc (normalize_concept_check): Avoid having to do
        two norm_cache lookups.  Remove unnecessary early exit for an
        ill-formed concept definition.

2023-05-19  Patrick Palka  <ppalka@redhat.com>

        PR c++/97340
        * pt.cc (lookup_and_finish_template_variable): Don't call
        convert_from_reference.
        (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Call
        convert_from_reference on the result of
        lookup_and_finish_template_variable.

2023-05-18  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * call.cc (promoted_arithmetic_type_p): Use _P defines from tree.h.
        (build_conditional_expr): Ditto.
        (convert_like_internal): Ditto.
        (convert_arg_to_ellipsis): Ditto.
        (build_over_call): Ditto.
        (compare_ics): Ditto.
        * class.cc (is_empty_base_ref): Ditto.
        * coroutines.cc (rewrite_param_uses): Ditto.
        * cp-tree.h (DECL_DISCRIMINATOR_P): Ditto.
        (ARITHMETIC_TYPE_P): Ditto.
        * cvt.cc (ocp_convert): Ditto.
        * cxx-pretty-print.cc (pp_cxx_template_argument_list): Ditto.
        * decl.cc (layout_var_decl): Ditto.
        (get_tuple_size): Ditto.
        * error.cc (dump_simple_decl): Ditto.
        * lambda.cc (start_lambda_scope): Ditto.
        * mangle.cc (write_template_arg): Ditto.
        * method.cc (spaceship_comp_cat): Ditto.
        * module.cc (node_template_info): Ditto.
        (trees_out::start): Ditto.
        (trees_out::decl_node): Ditto.
        (trees_in::read_var_def): Ditto.
        (set_instantiating_module): Ditto.
        * name-lookup.cc (maybe_record_mergeable_decl): Ditto.
        (consider_decl): Ditto.
        (maybe_add_fuzzy_decl): Ditto.
        * pt.cc (convert_nontype_argument): Ditto.
        * semantics.cc (handle_omp_array_sections_1): Ditto.
        (finish_omp_clauses): Ditto.
        (finish_omp_target_clauses_r): Ditto.
        (is_this_parameter): Ditto.
        * tree.cc (build_cplus_array_type): Ditto.
        (is_this_expression): Ditto.
        * typeck.cc (do_warn_enum_conversions): Ditto.
        * typeck2.cc (store_init_value): Ditto.
        (check_narrowing): Ditto.

2023-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109868
        * init.cc (build_zero_init_1): Don't initialize zero-width bitfields.
        For unions only initialize the first FIELD_DECL.

2023-05-16  Marek Polacek  <polacek@redhat.com>

        PR c++/109774
        * typeck.cc (check_return_expr): In a template, return only after
        suppressing -Wdangling-reference.

2023-05-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/109871
        * call.cc (add_list_candidates): Check for invalid designated
        initialization sooner and even for types that have a list
        constructor.

2023-05-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/109745
        * typeck2.cc (poison_mutable_constructors): Define.
        (store_init_value): Use it instead of setting
        CONSTRUCTOR_MUTABLE_POISON directly.

2023-05-11  Patrick Palka  <ppalka@redhat.com>
            Jonathan Wakely  <jwakely@redhat.com>

        PR c++/83258
        PR c++/80488
        PR c++/97700
        * pt.cc (convert_nontype_argument_function): Remove linkage
        requirement for C++17 and later.
        (invalid_tparm_referent_p) <case ADDR_EXPR>: Restrict
        DECL_ARTIFICIAL rejection test to VAR_DECL.

2023-05-10  Marek Polacek  <polacek@redhat.com>

        PR c++/109680
        * method.cc (build_trait_object): New.
        (assignable_expr): Use it.
        (ref_xes_from_temporary): Likewise.
        (is_convertible_helper): Likewise.  Check FUNC_OR_METHOD_TYPE_P.

2023-05-10  Jason Merrill  <jason@redhat.com>

        * call.cc (convert_like_internal): Share ck_ref_bind handling
        between all bad conversions.

2023-05-10  Jason Merrill  <jason@redhat.com>

        DR 2543
        * constexpr.cc (cxx_eval_outermost_constant_expr): Preserve
        TARGET_EXPR flags.
        (potential_constant_expression_1): Check TARGET_EXPR_ELIDING_P.
        * typeck2.cc (store_init_value): Diagnose constinit sooner.

2023-05-10  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (cxx_eval_outermost_constant_expr): Always check
        for address of immediate fn.
        (maybe_constant_init_1): Evaluate PTRMEM_CST.

2023-05-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109756
        * parser.cc (cp_parser_std_attribute): For unknown attributes with
        arguments set TREE_VALUE (attribute) to error_mark_node after skipping
        the balanced tokens.
        (cp_parser_std_attribute_list): If ... is used after attribute without
        arguments, diagnose it and return error_mark_node.  If
        TREE_VALUE (attribute) is error_mark_node, don't call
        make_pack_expansion nor return early error_mark_node.

2023-05-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/109752
        * constraint.cc (satisfaction_cache::satisfaction_cache): In the
        unexpected case of evaluating an atom for the first time noisily,
        remove the cache slot that we inserted.

2023-05-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/109761
        * parser.cc (cp_parser_class_specifier): Don't pass a class
        context to noexcept_override_late_checks.
        (noexcept_override_late_checks): Remove 'type' parameter
        and use DECL_CONTEXT of 'fndecl' instead.

2023-05-09  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109756
        * cp-gimplify.cc (process_stmt_assume_attribute): Diagnose pack
        expansion of assume attribute.

2023-05-08  Patrick Palka  <ppalka@redhat.com>

        PR c++/106214
        PR c++/93107
        * pt.cc (do_auto_deduction): Move up resolve_nondeduced_context
        calls to happen before do_class_deduction.  Add some
        error_mark_node tests.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/85979
        * cxx-pretty-print.cc (cxx_pretty_printer::unary_expression)
        <case ALIGNOF_EXPR>: Consider ALIGNOF_EXPR_STD_P.
        * error.cc (dump_expr) <case ALIGNOF_EXPR>: Likewise.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        DR 2256
        PR c++/103091
        * decl.cc (decl_jump_unsafe): Return bool instead of int.
        Don't consider TYPE_HAS_NONTRIVIAL_DESTRUCTOR.
        (check_previous_goto_1): Simplify now that decl_jump_unsafe
        returns bool instead of int.
        (check_goto): Likewise.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (instantiate_alias_template): Exit early upon
        error from coerce_template_parms.  Remove dependence test
        guarding constraints_satisfied_p.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Harden via
        TEMPLATE_TYPE_PARM_CHECK.
        (TPARMS_PRIMARY_TEMPLATE): Harden via TREE_VEC_CHECK.
        (TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL): Harden via
        TEMPLATE_TEMPLATE_PARM_CHECK.
        * cxx-pretty-print.cc (cxx_pretty_printer::simple_type_specifier):
        Guard PLACEHOLDER_TYPE_CONSTRAINTS access.
        * error.cc (dump_type) <case TEMPLATE_TYPE_PARM>: Use separate
        variable to store CLASS_PLACEHOLDER_TEMPLATE result.
        * pt.cc (outer_template_args): Use strip_innermost_template_args.
        (any_type_dependent_arguments_p): Exit early if
        !processing_template_decl.  Use range-based for.
        (any_dependent_template_arguments_p): Likewise.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/98283
        * pt.cc (tsubst_copy_and_build) <case COMPONENT_REF>: Propagate
        REF_PARENTHESIZED_P more generally via force_paren_expr.
        * semantics.cc (force_paren_expr): Document default argument.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/109651
        * pt.cc (coerce_template_args_for_ttp): Mention we can hit the
        current_template_parms fallback when level-lowering a bound ttp.
        (tsubst_template_decl): Add lambda_tparms parameter.  Prefer to
        use lambda_tparms instead of substituting DECL_TEMPLATE_PARMS.
        (tsubst_decl) <case TEMPLATE_DECL>: Pass NULL_TREE as lambda_tparms
        to tsubst_template_decl.
        (tsubst_lambda_expr): For a generic lambda, substitute
        DECL_TEMPLATE_PARMS and set current_template_parms to it
        before substituting the function type.  Pass the substituted
        DECL_TEMPLATE_PARMS as lambda_tparms to tsubst_template_decl.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/109480
        * semantics.cc (enforce_access): Check current_template_parms
        instead of processing_template_decl when deciding whether to
        defer the access check.

2023-05-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/109480
        * constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>:
        Reorganize to call get_fns sooner.  Remove special handling of
        the object argument of a non-static member function call.  Remove
        dead store to 'fun'.

2023-05-05  Jason Merrill  <jason@redhat.com>

        Revert:
        2023-04-27  Jason Merrill  <jason@redhat.com>

        PR c++/61445
        * pt.cc (instantiate_decl): Assert !defer_ok for local
        class members.

2023-05-03  Jason Merrill  <jason@redhat.com>

        PR c++/91618
        PR c++/109649
        * friend.cc (do_friend): Don't call check_explicit_specialization if
        DECL_TEMPLATE_INFO is already set.
        * decl2.cc (check_classfn): Set DECL_TEMPLATE_INFO.
        * name-lookup.cc (set_decl_namespace): Likewise.

2023-05-03  Jakub Jelinek  <jakub@redhat.com>

        * cp-gimplify.cc (cp_fold_data): Move definition earlier.
        (cp_gimplify_expr): Pass address of ff_genericize | ff_mce_false
        constructed data rather than &pset to cp_walk_tree with cp_fold_r.

2023-05-03  Jason Merrill  <jason@redhat.com>

        * pt.cc (reduce_template_parm_level): Fix comparison of
        template template parm to cached version.

2023-05-02  Jason Merrill  <jason@redhat.com>

        * pt.cc (instantiate_class_template): Skip the RECORD_TYPE
        of a class template.
        (tsubst_template_decl): Clear CLASSTYPE_USE_TEMPLATE.

2023-05-02  Jason Merrill  <jason@redhat.com>

        * name-lookup.cc (pop_from_top_level): Don't
        invalidate_class_lookup_cache.

2023-05-02  Jason Merrill  <jason@redhat.com>

        PR c++/109678
        * cp-tree.h (lookup_base): Add offset parm.
        * constexpr.cc (cxx_fold_indirect_ref_1): Pass it.
        * search.cc (struct lookup_base_data_s): Add offset.
        (dfs_lookup_base): Handle it.
        (lookup_base): Pass it.

2023-05-02  Jason Merrill  <jason@redhat.com>

        PR c++/109678
        * constexpr.cc (cxx_fold_indirect_ref_1): Handle empty base first.

2023-05-01  Jason Merrill  <jason@redhat.com>

        PR c++/109666
        * name-lookup.cc (maybe_push_to_top_level)
        (maybe_pop_from_top_level): Split out...
        * pt.cc (instantiate_body): ...from here.
        * init.cc (maybe_instantiate_nsdmi_init): Use them.
        * name-lookup.h: Declare them..

2023-04-28  Eugene Rozenfeld  <erozen@microsoft.com>

        * Make-lang.in: Merge perf data collected when compiling cc1plus and runtime libraries

2023-04-27  Jason Merrill  <jason@redhat.com>

        * call.cc (print_conversion_rejection): Use iloc_sentinel.

2023-04-27  Jason Merrill  <jason@redhat.com>

        PR c++/61445
        * pt.cc (instantiate_decl): Assert !defer_ok for local
        class members.

2023-04-26  Jason Merrill  <jason@redhat.com>

        * init.cc (nsdmi_inst): Remove.
        (maybe_instantiate_nsdmi_init): Use DECL_INITIAL instead.

2023-04-26  Jason Merrill  <jason@redhat.com>

        PR c++/109241
        * pt.cc (instantiate_class_template): Do partially instantiate.
        (tsubst_expr): Do call complete_type for partial instantiations.

2023-04-26  Jason Merrill  <jason@redhat.com>

        PR c++/69836
        * pt.cc (regenerate_decl_from_template): Skip unique friends.

2023-04-26  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (most_specialized_partial_spec): Exit early when
        DECL_TEMPLATE_SPECIALIZATIONS is empty.  Move local variable
        declarations closer to their first use.  Remove redundant
        flag_concepts test.  Remove redundant forward declaration.

2023-04-25  Patrick Palka  <ppalka@redhat.com>

        PR c++/108975
        * pt.cc (value_dependent_expression_p) <case VAR_DECL>:
        Suppress conservative early exit for reference variables
        when DECL_HAS_VALUE_EXPR_P.

2023-04-25  Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_scan_loop_body): Handle
        zero exec statements before/after 'omp scan'.

2023-04-24  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (cp_expr_location): Define here.
        * tree.cc (cp_expr_location): Don't define here.

2023-04-21  Jason Merrill  <jason@redhat.com>

        PR c++/108099
        * decl.cc (grokdeclarator): Don't clear typedef_decl after 'unsigned
        typedef' pedwarn.  Use c_common_signed_or_unsigned_type.  Also
        handle 'signed typedef'.

2023-04-21  Patrick Palka  <ppalka@redhat.com>

        * tree.cc (cp_walk_subtrees): Avoid repeatedly dereferencing tp.
        <case DECLTYPE_TYPE>: Use cp_unevaluated and WALK_SUBTREE.
        <case ALIGNOF_EXPR etc>: Likewise.

2023-04-20  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (tsubst) <case TEMPLATE_TYPE_PARM>: Don't recurse when
        level lowering a cv-qualified type template parameter.  Remove
        recursive loop breaker in the level lowering case for constrained
        autos.  Use the TEMPLATE_PARM_DESCENDANTS cache in this case as
        well.

2023-04-20  Patrick Palka  <ppalka@redhat.com>

        * constraint.cc (diagnose_trait_expr): Convert a TREE_VEC
        of arguments into a TREE_LIST for sake of pretty printing.
        * cxx-pretty-print.cc (pp_cxx_trait): Handle TREE_VEC
        instead of TREE_LIST of trailing variadic trait arguments.
        * method.cc (constructible_expr): Likewise.
        (is_xible_helper): Likewise.
        * parser.cc (cp_parser_trait): Represent trailing variadic trait
        arguments as a TREE_VEC instead of TREE_LIST.
        * pt.cc (value_dependent_expression_p): Handle TREE_VEC
        instead of TREE_LIST of trailing variadic trait arguments.
        * semantics.cc (finish_type_pack_element): Likewise.
        (check_trait_type): Likewise.

2023-04-20  Patrick Palka  <ppalka@redhat.com>

        * tree.cc (strip_typedefs): Move TREE_LIST handling to
        strip_typedefs_expr.  Dispatch to strip_typedefs_expr for
        non-type 't'.
        <case TYPENAME_TYPE>: Remove manual dispatching to
        strip_typedefs_expr.
        <case TRAIT_TYPE>: Likewise.
        (strip_typedefs_expr): Replaces calls to strip_typedefs_expr
        with strip_typedefs throughout.  Don't dispatch to strip_typedefs
        for type 't'.
        <case TREE_LIST>: Replace this with the better version from
        strip_typedefs.

2023-04-19  Patrick Palka  <ppalka@redhat.com>
            Jonathan Wakely  <jwakely@redhat.com>

        PR c++/100157
        * cp-trait.def (TYPE_PACK_ELEMENT): Define.
        * cp-tree.h (finish_trait_type): Add complain parameter.
        * cxx-pretty-print.cc (pp_cxx_trait): Handle
        CPTK_TYPE_PACK_ELEMENT.
        * parser.cc (cp_parser_constant_expression): Document default
        arguments.
        (cp_parser_trait): Handle CPTK_TYPE_PACK_ELEMENT.  Pass
        tf_warning_or_error to finish_trait_type.
        * pt.cc (tsubst) <case TRAIT_TYPE>: Handle non-type first
        argument.  Pass complain to finish_trait_type.
        * semantics.cc (finish_type_pack_element): Define.
        (finish_trait_type): Add complain parameter.  Handle
        CPTK_TYPE_PACK_ELEMENT.
        * tree.cc (strip_typedefs): Handle non-type first argument.
        Pass tf_warning_or_error to finish_trait_type.
        * typeck.cc (structural_comptypes) <case TRAIT_TYPE>: Use
        cp_tree_equal instead of same_type_p for the first argument.

2023-04-19  Patrick Palka  <ppalka@redhat.com>

        PR c++/109556
        * pt.cc (try_class_unification): Don't ggc_free the copy of
        'targs'.

2023-04-19  Jason Merrill  <jason@redhat.com>

        PR c++/108099
        * decl.cc (grokdeclarator): Keep typedef_decl for __int128_t.

2023-04-17  Patrick Palka  <ppalka@redhat.com>

        PR c++/109531
        * pt.cc (tsubst) <case BOUND_TEMPLATE_TEMPLATE_PARM>:
        In the level-lowering case just use lookup_template_class
        to rebuild the bound ttp.

2023-04-15  Jason Merrill  <jason@redhat.com>

        PR c++/109357
        * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]:
        Check for complex initializer.

2023-04-13  Patrick Palka  <ppalka@redhat.com>

        PR c++/109420
        * decl.cc (make_typename_type): Also ignore non-types during the
        lookup if tag_type corresponds to an elaborated-type-specifier.
        * pt.cc (tsubst) <case TYPENAME_TYPE>: Pass class_type or
        enum_type as tag_type to make_typename_type accordingly instead
        of always passing typename_type.

2023-04-13  Jason Merrill  <jason@redhat.com>

        PR c++/109277
        * semantics.cc (check_trait_type): Handle incomplete type directly.
        * typeck2.cc (cxx_incomplete_type_diagnostic): Remove assert.

2023-04-13  Jason Merrill  <jason@redhat.com>

        * typeck2.cc (cxx_incomplete_type_diagnostic): Return bool.
        * cp-tree.h (cxx_incomplete_type_diagnostic): Adjust.

2023-04-12  Jakub Jelinek  <jakub@redhat.com>

        * Make-lang.in (s-cp-module-version): New target.
        (cp/module.o): Depend on it.
        (MODULE_VERSION): Remove variable.
        (CFLAGS-cp/module.o): For -DMODULE_VERSION= argument just
        cat s-cp-module-version.

2023-04-09  Iain Sandoe  <iain@sandoe.co.uk>

        * coroutines.cc (coro_rewrite_function_body): Ensure that added
        bind expressions have scope blocks.

2023-04-04  Jason Merrill  <jason@redhat.com>

        PR c++/107484
        * decl2.cc (find_last_decl): Return early if DECL_USE_TEMPLATE.

2023-04-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/109300
        * decl.cc (cp_finish_decl): Diagnose ordinary auto deduction
        with no initializer, instead of asserting.

2023-04-01  Patrick Palka  <ppalka@redhat.com>

        PR c++/109160
        * cp-tree.h (do_auto_deduction): Add defaulted tmpl parameter.
        * pt.cc (convert_template_argument): Pass 'in_decl' as 'tmpl' to
        do_auto_deduction.
        (tsubst_decl) <case VAR_/TYPE_DECL>: Pass 'tmpl' instead of 't' as
        'in_decl' to coerce_template_parms.
        (unify) <case TEMPLATE_PARM_INDEX>: Pass TPARMS_PRIMARY_TEMPLATE
        as 'tmpl' to do_auto_deduction.
        (do_auto_deduction): Document default arguments.  Rename local
        variable 'tmpl' to 'ctmpl'.  Use 'tmpl' to obtain a full set of
        template arguments for satisfaction in the adc_unify case.

2023-04-01  Patrick Palka  <ppalka@redhat.com>

        PR c++/53164
        PR c++/105848
        * pt.cc (invalid_tparm_referent_p): Accept ADDR_EXPR of
        FUNCTION_DECL.
        (instantiate_class_template): Call mark_template_arguments_used.
        (tsubst_copy_and_build) <case CALL_EXPR>: Revert r13-995 change.
        (mark_template_arguments_used): Define.
        (instantiate_body): Call mark_template_arguments_used.

2023-04-01  Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/101118
        * coroutines.cc (flatten_await_stmt): Use the current count of
        promoted temporaries to build a unique name for the frame entries.

2023-03-30  Jason Merrill  <jason@redhat.com>

        PR c++/105452
        * search.cc (type_context_for_name_lookup): New.
        (accessible_p): Handle anonymous union.
        * init.cc (maybe_instantiate_nsdmi_init): Use
        type_context_for_name_lookup.
        * parser.cc (cp_parser_class_specifier): Likewise.
        * cp-tree.h (type_context_for_name_lookup): Declare.

2023-03-30  Jason Merrill  <jason@redhat.com>

        PR c++/105221
        * pt.cc (unify) [FUNCTION_TYPE]: Handle function pointer
        conversions.

2023-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109319
        * decl2.cc (grok_array_decl): After emitting a pedwarn for
        -Wcomma-subscript, if processing_template_decl set orig_index_exp
        to compound expr from orig_index_exp_list.

2023-03-30  Jason Merrill  <jason@redhat.com>

        PR c++/107897
        PR c++/108887
        * decl2.cc (record_mangling): Use symtab_node::reset.

2023-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109278
        * call.cc (convert_like_internal): If pedwarn for extended float
        type conversions doesn't report anything, avoid calling
        maybe_inform_about_fndecl_for_bogus_argument_init.

2023-03-29  Jason Merrill  <jason@redhat.com>

        PR c++/109321
        PR c++/109320
        * pt.cc (alias_ctad_tweaks): Rewrite deduced args.
        (type_targs_deducible_from): Handle null pack deduction.

2023-03-28  David Malcolm  <dmalcolm@redhat.com>

        PR c/107002
        * parser.cc (cp_parser_binary_expression): Update for new param of
        check_for_xor_used_as_pow.

2023-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109309
        * contracts.cc: Include intl.h.
        (check_postcondition_result): Don't form diagnostics from two halves
        of an English message to allow translations.

2023-03-24  Patrick Palka  <ppalka@redhat.com>

        PR c++/106969
        * parser.cc (cp_parser_class_specifier): Clear current_class_ptr
        and current_class_ref sooner, before parsing a class definition.

2023-03-24  Jason Merrill  <jason@redhat.com>

        PR c++/105481
        * pt.cc (type_unification_real): Adjust for partial ordering.

2023-03-23  Jason Merrill  <jason@redhat.com>

        PR c++/105996
        * typeck.cc (build_ptrmemfunc): Drop 0-offset optimization
        and location wrappers.

2023-03-23  Marek Polacek  <polacek@redhat.com>

        PR c++/107532
        * call.cc (class_has_reference_member_p): New.
        (class_has_reference_member_p_r): New.
        (reference_like_class_p): Don't look for a specific constructor.
        Use a DFS walk with class_has_reference_member_p_r.

2023-03-23  Jason Merrill  <jason@redhat.com>

        PR c++/109241
        * pt.cc (find_parameter_packs_r): Handle null TREE_BINFO.

2023-03-22  Jason Merrill  <jason@redhat.com>

        PR c++/108390
        * pt.cc (unify): Use fold of build_nop instead of fold_convert.

2023-03-22  Jason Merrill  <jason@redhat.com>

        PR c++/108795
        * semantics.cc (finish_id_expression_1): Check scope before
        returning id_expression.

2023-03-22  Alex Coplan  <alex.coplan@arm.com>

        PR c++/109177
        * call.cc (build_over_call): Use make_temp_override to suppress
        both unavailable and deprecated warnings when calling
        build_addr_func.

2023-03-21  Jason Merrill  <jason@redhat.com>

        PR c++/106890
        * init.cc (maybe_instantiate_nsdmi_init): Don't leave
        current_function_decl set to a constructor.

2023-03-20  Marek Polacek  <polacek@redhat.com>

        PR c++/109159
        * call.cc (add_template_candidate_real): Add explicit decls to the
        set of candidates when the initializer is a braced-init-list.

2023-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109164
        * cp-tree.h (var_needs_tls_wrapper): Declare.
        * decl2.cc (var_needs_tls_wrapper): No longer static.
        * decl.cc (cp_finish_decl): Clear TREE_READONLY on TLS variables
        for which a TLS wrapper will be needed.

2023-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/108975
        * lambda.cc (prune_lambda_captures): Don't bother in a template.

2023-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/109172
        * except.cc (build_throw): Check dtor access.

2023-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/69410
        * friend.cc (do_friend): Handle namespace as scope argument.
        * decl.cc (grokdeclarator): Pass down in_namespace.

2023-03-16  Jason Merrill  <jason@redhat.com>

        PR c++/105809
        * init.cc (get_nsdmi): Split out...
        (maybe_instantiate_nsdmi_init): ...this function.
        * cp-tree.h: Declare it.
        * pt.cc (tsubst_expr): Use it.

2023-03-16  Jason Merrill  <jason@redhat.com>

        PR c++/108242
        * pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation.

2023-03-16  Jason Merrill  <jason@redhat.com>

        PR c++/101869
        * semantics.cc (finish_qualified_id_expr): Don't try to build a
        pointer-to-member if the scope is an enumeration.

2023-03-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/109030
        * constexpr.cc (maybe_constant_init_1): For an unevaluated
        non-manifestly-constant operand, don't constant evaluate
        and instead call fold_to_constant as in maybe_constant_value.

2023-03-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/100288
        * constraint.cc (satisfaction_cache::get): Relax overly strict
        checking assert in the constraint recursion case.

2023-03-16  Jason Merrill  <jason@redhat.com>

        PR c++/105406
        * coroutines.cc (build_co_await): Handle lvalue 'o'.

2023-03-15  Jason Merrill  <jason@redhat.com>

        PR c++/103871
        PR c++/98056
        * typeck.cc (cp_build_modify_expr): Allow array initialization of
        DECL_ARTIFICIAL variable.

2023-03-15  Marek Polacek  <polacek@redhat.com>

        PR c++/107280
        * constexpr.cc (cxx_eval_store_expression): Strip location wrappers.

2023-03-15  Jason Merrill  <jason@redhat.com>

        PR c++/58538
        * semantics.cc (check_template_template_default_arg): Check
        maybe_get_template_decl_from_type_decl.

2023-03-15  Jason Merrill  <jason@redhat.com>

        PR c++/108179
        PR c++/104107
        PR c++/95036
        * pt.cc (coerce_template_template_parms): Use args from
        DECL_CONTEXT (arg_tmpl) instead of outer_args.

2023-03-15  Jason Merrill  <jason@redhat.com>

        PR c++/108179
        * pt.cc (coerce_template_template_parms): Take the arg and parm
        templates directly.
        (coerce_template_template_parm): Adjust.
        (template_template_parm_bindings_ok_p): Adjust.
        (convert_template_argument): Adjust.

2023-03-14  Patrick Palka  <ppalka@redhat.com>

        PR c++/96830
        * pt.cc (push_inline_template_parms_recursive): Set
        TEMPLATE_PARMS_CONSTRAINTS.
        (push_template_decl): For an out-of-line declaration, verify
        constraints for each enclosing template scope match those of the
        original template declaratation.

2023-03-14  Patrick Palka  <ppalka@redhat.com>

        PR c++/96830
        * pt.cc (redeclare_class_template): Add missing "of" in
        constraint mismatch diagnostic.
        (tsubst_friend_class): For an already declared class template,
        substitute and pass the friend declaration's constraints to
        redeclare_class_template instead of passing the existing
        template's constraints.

2023-03-14  Jason Merrill  <jason@redhat.com>

        PR c++/108468
        * pt.cc (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE
        is non-null.

2023-03-14  Jason Merrill  <jason@redhat.com>

        PR c++/107310
        * cp-gimplify.cc (genericize_if_stmt): Restore folding
        of constant conditions.

2023-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109096
        * tree.cc (record_has_unique_obj_representations): Ignore unnamed
        bitfields.

2023-03-13  Jason Merrill  <jason@redhat.com>

        PR c++/107128
        * parser.cc (cp_parser_set_decl_spec_type): Use
        redefined_builtin_type for extended_float_type_p.

2023-03-13  Marek Polacek  <polacek@redhat.com>

        PR c++/107532
        * call.cc (reference_like_class_p): Check for std::span.

2023-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/107558
        * decl.cc (cp_finish_decl): Don't clear TREE_READONLY on
        automatic non-aggregate variables just because of
        -fmerge-all-constants.

2023-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109039
        * class.cc (end_of_class): For bit-fields, instead of computing
        offset as sum of byte_position (field) and DECL_SIZE_UNIT (field),
        compute it as sum of bit_position (field) and DECL_SIZE (field)
        divided by BITS_PER_UNIT rounded up.

2023-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/108972
        * lambda.cc (compare_lambda_template_head): Check more
        for error_mark_node.

2023-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/108566
        * mangle.cc (anon_aggr_naming_decl): New.
        (write_unqualified_name): Use it.

2023-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/108079
        * decl.cc (poplevel): Suppress OPT_Wunused_variable warning
        after diagnosing it.

2023-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/108099
        * decl.cc (grokdeclarator): Handle non-typedef typedef_decl.

2023-03-10  Jason Merrill  <jason@redhat.com>

        PR c++/108542
        * class.cc (instantiate_type): Strip location wrapper.

2023-03-09  Jason Merrill  <jason@redhat.com>

        PR c++/108773
        * init.cc (find_allocator_temps_r): New.
        (combine_allocator_temps): Replace find_allocator_temp.
        (build_vec_init): Adjust.

2023-03-09  Jason Merrill  <jason@redhat.com>

        DR 2664
        PR c++/102529
        * pt.cc (alias_ctad_tweaks): Continue after deduction failure.

2023-03-09  Jason Merrill  <jason@redhat.com>
            Michael Spertus  <mike@spertus.com>

        PR c++/105841
        * pt.cc (corresponding_template_parameter_list): Split out...
        (corresponding_template_parameter): ...from here.
        (find_template_parameters): Factor out...
        (find_template_parameter_info::find_in): ...this function.
        (find_template_parameter_info::find_in_recursive): New.
        (find_template_parameter_info::found): New.
        (alias_ctad_tweaks): Only add parms used in the deduced args.

2023-03-09  Jason Merrill  <jason@redhat.com>

        * cp-trait.def (IS_DEDUCIBLE): Add space to name.

2023-03-09  Jason Merrill  <jason@redhat.com>

        PR c++/105841
        * cp-trait.def (IS_DEDUCIBLE): New.
        * cxx-pretty-print.cc (pp_cxx_trait): Handle non-type.
        * parser.cc (cp_parser_trait): Likewise.
        * tree.cc (cp_tree_equal): Likewise.
        * pt.cc (tsubst_copy_and_build): Likewise.
        (type_targs_deducible_from): New.
        (alias_ctad_tweaks): Use it.
        * semantics.cc (trait_expr_value): Handle CPTK_IS_DEDUCIBLE.
        (finish_trait_expr): Likewise.
        * constraint.cc (diagnose_trait_expr): Likewise.
        * cp-tree.h (type_targs_deducible_from): Declare.

2023-03-07  Jason Merrill  <jason@redhat.com>

        PR c++/108526
        PR c++/106651
        * pt.cc (tsubst_function_decl): Don't replace the closure
        parameter if DECL_STATIC_FUNCTION_P.

2023-03-07  Marek Polacek  <polacek@redhat.com>

        PR c++/107532
        * call.cc (reference_like_class_p): New.
        (do_warn_dangling_reference): Add new bool parameter.  See through
        reference_like_class_p.

2023-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR c++/109042
        * rtti.cc (emit_support_tinfo_1): Don't assert that last
        unemitted_tinfo_decls element is tinfo, instead pop from it only in
        that case.
        * decl2.cc (c_parse_final_cleanups): Don't call emit_tinfo_decl
        for unemitted_tinfO_decls which have already non-NULL DECL_INITIAL.

2023-03-07  Marek Polacek  <polacek@redhat.com>

        PR c++/109030
        * constexpr.cc (cxx_eval_call_expression): Relax assert.

2023-03-07  Marek Polacek  <polacek@redhat.com>

        PR c++/107939
        * constexpr.cc (potential_constant_expression_1) <case CALL_EXPR>: Pass
        'any' when recursing on a VAR_DECL and not a pointer to function.

2023-03-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108702
        * constexpr.cc: Include toplev.h.
        (cxx_eval_constant_expression) <case DECL_EXPR>: When seeing a local
        static initialized by constant expression outside of a constexpr
        function which has been deferred by make_rtl_for_nonlocal_decl,
        call rest_of_decl_compilation on it.

2023-03-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/108998
        * pt.cc (el_data::skipped_trees): New data member.
        (extract_locals_r): Push to skipped_trees any unevaluated
        contexts that we skipped over.
        (extract_local_specs): For the second walk, start from each
        tree in skipped_trees.

2023-03-03  Alexandre Oliva  <oliva@adacore.com>

        * typeck.cc (cp_build_binary_op): Suppress redundant warning
        for pfn null test in pmfn test with vbit-in-delta.

2023-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/108883
        * cp-tree.h (enum cp_tree_index): Remove CPTI_FALLBACK_DFLOAT*_TYPE
        enumerators.
        (fallback_dfloat32_type, fallback_dfloat64_type,
        fallback_dfloat128_type): Remove.
        * rtti.cc (emit_support_tinfo_1): If not emitted already, call
        emit_tinfo_decl and remove from unemitted_tinfo_decls right away.
        (emit_support_tinfos): Move &dfloat*_type_node from fundamentals array
        into new fundamentals_with_fallback array.  Call emit_support_tinfo_1
        on elements of that array too, with the difference that if
        the type is NULL, use a fallback REAL_TYPE for it temporarily.
        Drop the !targetm.decimal_float_supported_p () handling.  Call
        targetm.emit_support_tinfos at the end.
        * mangle.cc (write_builtin_type): Remove references to
        fallback_dfloat*_type.  Handle bfloat16_type_node mangling.

2023-03-02  Patrick Palka  <ppalka@redhat.com>

        PR c++/108243
        PR c++/97553
        * cp-gimplify.cc (cp_fully_fold): Add an internal overload that
        additionally takes and propagate an mce_value parameter, and
        define the existing public overload in terms of it.
        (cp_fully_fold_init): Pass mce_false to cp_fully_fold.

2023-03-02  Patrick Palka  <ppalka@redhat.com>

        PR c++/108243
        * constexpr.cc (maybe_constant_init_1): Override
        manifestly_const_eval to true if is_static.

2023-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR debug/108716
        * cp-gimplify.cc (cp_genericize_r) <case USING_STMT>: Set
        DECL_SOURCE_LOCATION on IMPORTED_DECL to expression location
        of USING_STMT or input_location.

2023-03-02  Marek Polacek  <polacek@redhat.com>

        PR c++/106259
        * parser.cc (class_decl_loc_t::diag_mismatched_tags): If the first
        lookup of SPEC didn't find anything, try to look for
        most_general_template.

2023-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105839
        * parser.cc (cp_convert_omp_range_for): Allow in assert
        decomp_first_name without DECL_HAS_VALUE_EXPR_P if it has
        error_mark_node type.
        (cp_finish_omp_range_for): Don't set DECL_HAS_VALUE_EXPR_P back
        on decls which have error_mark_node type.

2023-03-01  Marek Polacek  <polacek@redhat.com>

        PR c++/107574
        * constexpr.cc (cxx_eval_constant_expression): Emit an error when
        a PTRMEM_CST cannot be evaluated.

2023-03-01  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (tsubst_scope): Define.
        (tsubst_decl) <case USING_DECL>: Call tsubst_scope instead of
        calling tsubst_scope with tf_qualifying_scope set.
        (tsubst_qualified_id): Call tsubst_scope instead of
        calling tsubst with tf_qualifying_scope set.
        (tsubst_copy): Immediately delegate to tsubst for all TYPE_P
        trees.  Remove tf_qualifying_scope manipulation.
        <case SCOPE_REF>: Call tsubst_scope instead of calling
        tsubst with tf_qualifying_scope set.

2023-03-01  Patrick Palka  <ppalka@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/108219
        PR c++/108218
        * constexpr.cc (fold_to_constant): Define.
        (maybe_constant_value): Move up early exit test for unevaluated
        operands.  Try reducing an unevaluated operand to a constant via
        fold_to_constant.
        (fold_non_dependent_expr_template): Add early exit test for
        CONSTANT_CLASS_P nodes.  Try reducing an unevaluated operand
        to a constant via fold_to_constant.
        * cp-tree.h (fold_to_constant): Declare.

2023-03-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108606
        * constexpr.cc (potential_constant_expression_1) <case DECL_EXPR>:
        Only recurse on DECL_INITIAL (tmp) if tmp is a VAR_DECL, otherwise
        just return true.

2023-02-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/108848
        * pt.cc (finish_template_variable): Move dependence check
        to here from ...
        (lookup_and_finish_template_variable): ... here.
        * semantics.cc (finish_id_expression_1): Call
        finish_template_variable sooner, before (and regardless of) the
        type_dependent_expression_p test.

2023-02-28  Marek Polacek  <polacek@redhat.com>

        PR c++/108550
        * pt.cc (lookup_and_finish_template_variable): Clear tf_partial.

2023-02-20  Marek Polacek  <polacek@redhat.com>

        PR c++/101073
        * constexpr.cc (cxx_eval_call_expression): Replace shortcutting trivial
        constructor/op= with a checking assert.

2023-02-20  Marek Polacek  <polacek@redhat.com>

        PR c++/108829
        * pt.cc (prepend_one_capture): Set LAMBDA_CAPTURE_EXPLICIT_P.
        (tsubst_lambda_expr): Pass LAMBDA_CAPTURE_EXPLICIT_P to
        prepend_one_capture.

2023-02-18  Jason Merrill  <jason@redhat.com>

        DR 2518
        PR c++/52809
        PR c++/53638
        PR c++/87389
        PR c++/89741
        PR c++/92099
        PR c++/104041
        PR c++/104691
        * semantics.cc (finish_static_assert): Don't diagnose in
        template context.

2023-02-17  Patrick Palka  <ppalka@redhat.com>

        PR c++/108243
        PR c++/97553
        * cp-gimplify.cc (enum fold_flags): Define.
        (fold_flags_t): Declare.
        (cp_fold_data::genericize): Replace this data member with ...
        (cp_fold_data::fold_flags): ... this.
        (cp_fold_r): Adjust use of cp_fold_data and calls to cp_fold.
        (cp_fold_function): Likewise.
        (cp_fold_maybe_rvalue): Add an internal overload that
        additionally takes and propagates a fold_flags_t parameter, and
        define the existing public overload in terms of it.
        (cp_fold_rvalue): Likewise.
        (cp_fully_fold_init): Adjust use of cp_fold_data.
        (fold_cache): Replace with ...
        (fold_caches): ... this 2-element array of caches.
        (get_fold_cache): Define.
        (clear_fold_cache): Adjust.
        (cp_fold): Add fold_flags_t parameter.  Use get_fold_cache.
        Pass flags to calls to cp_fold, cp_fold_rvalue and
        cp_fold_maybe_rvalue.
        <case CALL_EXPR>: If ff_mce_false is set, fold
        __builtin_is_constant_evaluated to false and pass mce_false to
        maybe_constant_value.

2023-02-17  Patrick Palka  <ppalka@redhat.com>

        * constexpr.cc (constexpr_call::manifestly_const_eval): Give
        it type int instead of bool.
        (constexpr_ctx::manifestly_const_eval): Give it type mce_value
        instead of bool.
        (cxx_eval_builtin_function_call): Adjust after making
        manifestly_const_eval tri-state.
        (cxx_eval_call_expression): Likewise.
        (cxx_eval_binary_expression): Likewise.
        (cxx_eval_conditional_expression): Likewise.
        (cxx_eval_constant_expression): Likewise.
        (cxx_eval_outermost_constant_expr): Likewise.
        (cxx_constant_value): Likewise.
        (cxx_constant_dtor): Likewise.
        (maybe_constant_value): Give manifestly_const_eval parameter
        type mce_value instead of bool and adjust accordingly.
        (fold_non_dependent_expr_template): Adjust call
        to cxx_eval_outermost_constant_expr.
        (fold_non_dependent_expr): Likewise.
        (maybe_constant_init_1): Likewise.
        * constraint.cc (satisfy_atom): Adjust call to
        maybe_constant_value.
        * cp-tree.h (enum class mce_value): Define.
        (maybe_constant_value): Adjust manifestly_const_eval parameter
        type and default argument.
        * decl.cc (compute_array_index_type_loc): Adjust call to
        maybe_constant_value.
        * pt.cc (convert_nontype_argument): Likewise.

2023-02-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/107773
        * cp-tree.h (enum tsubst_flags): New flag tf_qualifying_scope.
        * decl.cc (make_typename_type): Use lookup_member instead of
        lookup_field.  If tf_qualifying_scope is set, pass want_type=true
        instead of =false to lookup_member.  Generalize format specifier
        in diagnostic to handle both type and non-type bindings.
        * pt.cc (tsubst_aggr_type_1): Clear tf_qualifying_scope.  Tidy
        the function.
        (tsubst_decl) <case USING_DECL>: Set tf_qualifying_scope when
        substituting USING_DECL_SCOPE.
        (tsubst): Clear tf_qualifying_scope right away and remember if
        it was set.  Do the same for tf_tst_ok sooner.
        <case TYPENAME_TYPE>: Set tf_qualifying_scope when substituting
        TYPE_CONTEXT.  Pass tf_qualifying_scope to make_typename_type
        if it was set.
        (tsubst_qualified_id): Set tf_qualifying_scope when substituting
        the scope.
        (tsubst_copy): Clear tf_qualifying_scope and remember if it was
        set.
        <case SCOPE_REF>: Set tf_qualifying_scope when substituting the
        scope.
        <case *_TYPE>: Pass tf_qualifying_scope to tsubst if it was set.
        * search.cc (lookup_member): Document default argument.

2023-02-16  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h: Mechanically drop static from static inline
        functions via s/^static inline/inline/g.

2023-02-15  Marek Polacek  <polacek@redhat.com>

        PR c++/106675
        * call.cc (joust_maybe_elide_copy): Return false for ck_ambig.

2023-02-10  Marek Polacek  <polacek@redhat.com>

        PR c++/107079
        * call.cc (set_up_extended_ref_temp): Pass var to maybe_constant_init.

2023-02-09  Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_allocate): Parse align
        clause and check for restrictions.

2023-02-09  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108698
        * mangle.cc (write_expression, write_template_arg): Handle
        EXCESS_PRECISION_EXPR with REAL_CST operand as
        write_template_arg_literal on fold_convert of the REAL_CST
        to EXCESS_PRECISION_EXPR type.

2023-02-06  Patrick Palka  <ppalka@redhat.com>

        PR c++/107461
        * cp-tree.h (call_expr_dependent_name): Declare.
        * pt.cc (iterative_hash_template_arg) <case CALL_EXPR>: Use
        call_expr_dependent_name instead of dependent_name.
        * tree.cc (call_expr_dependent_name): Define.
        (called_fns_equal): Adjust to take two CALL_EXPRs instead of
        CALL_EXPR_FNs thereof.  Use call_expr_dependent_name instead
        of dependent_name.
        (cp_tree_equal) <case CALL_EXPR>: Adjust call to called_fns_equal.

2023-02-03  Marek Polacek  <polacek@redhat.com>

        PR c++/108158
        * constexpr.cc (cxx_eval_array_reference): Don't replace
        new_ctx.object.

2023-02-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/107461
        * semantics.cc (finish_call_expr): Strip ADDR_EXPR from
        the selected callee during overload set pruning.

2023-02-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/96745
        * class.cc (check_methods): Diagnose an unviable OVERLOAD
        set for CLASSTYPE_DESTRUCTOR differently from an ambiguous one.
        Then prune the OVERLOAD to a single function.
        (check_bases_and_members): Handle CLASSTYPE_DESTRUCTOR being
        an OVERLOAD when calling deduce_noexcept_on_destructor.
        Document why it has to be called before check_methods.

2023-02-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/108579
        * class.cc (check_methods): Swap order of constraints_satisfied_p
        and copy/move_fn_p tests.

2023-02-01  Marek Polacek  <polacek@redhat.com>

        PR c++/107755
        * call.cc (build_new_op): Don't call warn_logical_operator when
        processing a template.

2023-02-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108607
        * constexpr.cc (cxx_eval_constant_expression): Handle OMP_*
        and OACC_* constructs as non-constant.
        (potential_constant_expression_1): Handle OMP_SCAN and OMP_SCOPE.

2023-02-01  Jason Merrill  <jason@redhat.com>

        * class.cc (note_name_declared_in_class): Change from permerror to
        -Wchanges-meaning pedwarn, forcing -pedantic-errors for most cases.

2023-01-31  Jason Merrill  <jason@redhat.com>

        PR c++/108559
        * cp-gimplify.cc (any_non_eliding_target_exprs): New.
        (cp_genericize_init): Check it.

2023-01-31  Marek Polacek  <polacek@redhat.com>

        PR c++/107593
        PR c++/108597
        * cp-tree.h (instantiation_dependent_expression_p): Don't
        declare here.

2023-01-26  Marek Polacek  <polacek@redhat.com>

        PR c++/105300
        * parser.cc: Remove unnecessary forward declarations.
        (cp_parser_string_literal): New wrapper.
        (cp_parser_string_literal_common): Renamed from
        cp_parser_string_literal.  Add a bool parameter.  Give an error when
        UDLs are not permitted.
        (cp_parser_userdef_string_literal): New wrapper.
        (finish_userdef_string_literal): Renamed from
        cp_parser_userdef_string_literal.
        (cp_parser_primary_expression): Call cp_parser_userdef_string_literal
        instead of cp_parser_string_literal.
        (cp_parser_linkage_specification): Move a variable declaration closer
        to its first use.
        (cp_parser_static_assert): Likewise.
        (cp_parser_operator): Call cp_parser_userdef_string_literal instead of
        cp_parser_string_literal.
        (cp_parser_asm_definition): Move a variable declaration closer to its
        first use.
        (cp_parser_asm_specification_opt): Move variable declarations closer to
        their first use.
        (cp_parser_asm_operand_list): Likewise.
        (cp_parser_asm_clobber_list): Likewise.

2023-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108503
        * parser.cc (cp_convert_omp_range_for): If cp_finish_decomp has been
        called in !processing_template_decl with processing_template_decl
        temporarily set, clear DECL_HAS_VALUE_EXPR_P on the vars temporarily.
        (cp_finish_omp_range_for): And set it back again here.

2023-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108525
        * mangle.cc (write_closure_type_name): Don't assume all
        lambda operator() fns are methods.

2023-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/108504
        * parser.cc (cp_lexer_new_main): Pass C_LEX_STRING_NO_JOIN for first
        token, too.

2023-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/108526
        * pt.cc (tsubst_function_decl): Handle static lambda.

2023-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108474
        * cp-gimplify.cc (cp_fold_r): Revert 2023-01-19 changes.

2023-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/107303
        PR c++/107329
        * cp-gimplify.cc (cp_fold_r) [TARGET_EXPR]: In case of double
        TARGET_EXPR, keep the outer one instead of the inner one.
        (maybe_replace_decl): New.

2023-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/107267
        * cp-gimplify.cc (cp_gimplify_init_expr): Allow unexpected elision
        of trivial types.

2023-01-23  Marek Polacek  <polacek@redhat.com>

        PR c++/107797
        * cvt.cc (ocp_convert): copy_warning when creating a new
        COMPOUND_EXPR.
        * init.cc (build_new_1): Suppress -Wunused-value on
        compiler-generated COMPOUND_EXPRs.

2023-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/108195
        * call.cc (build_user_type_conversion_1): Check whether the
        iterators also find a list ctor.

2023-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/108496
        * decl.cc (grokdeclarator): Check whether DECL_RESULT is already
        set.

2023-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/53288
        DR 1299
        * call.cc (extend_ref_init_temps_1): Handle ptrmem expression.

2023-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108437
        * cp-tree.h (keep_unused_object_arg): Declare.
        * call.cc (keep_unused_object_arg): No longer static.
        * tree.cc (build_min_non_dep_op_overload): Handle ARRAY_REF
        with overload being static member function.

2023-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/53932
        * cp-gimplify.cc (cp_fold_r): During cp_fully_fold_init replace
        DECL_ANON_UNION_VAR_P VAR_DECLs with their corresponding
        DECL_VALUE_EXPR.

2023-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105593
        * decl.cc (cp_finish_decl): Check warning_enabled_at
        at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead
        of warn_init_self.

2023-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108365
        * typeck.cc (cp_build_binary_op): Use may_shorten_divmod for integral
        division or modulo.

2023-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108285
        * cvt.cc (cp_convert_and_check): For EXCESS_PRECISION_EXPR
        use its operand except that for warning purposes use the original
        EXCESS_PRECISION_EXPR.
        * call.cc (convert_like_internal): Only look through
        EXCESS_PRECISION_EXPR when calling cp_convert, not when calling
        cp_convert_and_check.

2023-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105838
        PR c++/108047
        PR c++/108266
        * call.cc (maybe_init_list_as_range): Always return NULL_TREE if
        processing_template_decl.

2023-01-05  Patrick Palka  <ppalka@redhat.com>

        PR c++/108275
        * parser.cc (cp_parser_class_head): Use dk_deferred instead of
        dk_no_check when parsing the class name.

2023-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108286
        * semantics.cc (finish_omp_target_clauses): Ignore clauses other than
        OMP_CLAUSE_MAP.

2023-01-04  Patrick Palka  <ppalka@redhat.com>

        PR c++/108282
        * decl2.cc (mark_single_function): Ignore mark_used failure
        only in a non-SFINAE context rather than in a SFINAE one.

2023-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/108206
        * decl.cc (merge_default_template_args): Return false if either
        new_parm or old_parm are erroneous.

\f
Copyright (C) 2023 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.