Daily bump.

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

2022-07-01  Lewis Hyatt  <lhyatt@gmail.com>

        * parser.cc (cp_token_is_module_directive): New function
        refactoring common code.
        (cp_parser_skip_to_closing_parenthesis_1): Use the new function.
        (cp_parser_skip_to_end_of_statement): Likewise.
        (cp_parser_skip_to_end_of_block_or_statement): Likewise.
        (cp_parser_declaration): Likewise.

2022-07-01  Marek Polacek  <polacek@redhat.com>

        PR c++/105550
        * constexpr.cc (cxx_eval_conditional_expression): Strip TARGET_EXPRs.

2022-07-01  Tobias Burnus  <tobias@codesourcery.com>

        * parser.cc (cp_parser_omp_target_enter_data,
        cp_parser_omp_target_exit_data): Accept tofrom
        map-type modifier but use 'to' / 'from' internally.

2022-07-01  Marek Polacek  <polacek@redhat.com>

        PR c++/106111
        * parser.cc (cp_lexer_get_preprocessor_token): Also warn about
        RID_ALIGNOF, RID_ALIGNAS, RID_THREAD.

2022-07-01  Jason Merrill  <jason@redhat.com>

        PR c++/105779
        * call.cc (resolve_args): Use complain.

2022-07-01  Jason Merrill  <jason@redhat.com>

        * parser.cc (missing_template_diag): Split out...
        (cp_parser_id_expression): ...from here.

2022-07-01  Jason Merrill  <jason@redhat.com>

        PR c++/106024
        * parser.cc (missing_template_diag): Factor out...
        (cp_parser_id_expression): ...from here.
        (cp_parser_lookup_name): Don't look in dependent object_type.

2022-06-30  Nathan Sidwell  <nathan@acm.org>

        * module.cc (module_state::write_define): Drop located param.
        (module_state::read_define): Likewise.
        (module_state::prepare_macros): New, broken out of ...
        (module_state::write_macros): ... here.  Adjust.
        (module_state::write_begin): Adjust.

2022-06-29  Nathan Sidwell  <nathan@acm.org>

        * module.cc (macro_info, macro_traits, macro_table,
        macro_remap): Rename to ...
        (macro_loc_info, macro_loc_traits, macro_loc_table,
        macro_loc_remap): ... these.  Update all uses.
        (module_state::write_prepare_maps): Remove unneeded macro checking.
        (module_state::write_begin): Free macro_loc_remap.

2022-06-27  Sergei Trofimovich  <siarheit@google.com>

        PR c++/106102
        * mapper-client.cc: Include <memory> via "system.h".
        * mapper-resolver.cc: Ditto.
        * module.cc: Ditto.

2022-06-27  David Malcolm  <dmalcolm@redhat.com>

        * cxx-pretty-print.h: Add "final" and "override" to various vfunc
        implementations, removing redundant "virtual" as appropriate.
        * module.cc: Likewise.

2022-06-24  Jason Merrill  <jason@redhat.com>

        PR c++/87729
        PR c++/20423
        * class.cc (warn_hidden): Handle -Woverloaded-virtual=1.

2022-06-24  Alexandre Oliva  <oliva@adacore.com>

        * g++spec.cc (lang_specific_driver): Implement -nostdlib++.

2022-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/105925
        * call.cc (build_aggr_conv): Don't depend on
        CONSTRUCTOR_IS_DESIGNATED_INIT.

2022-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/105925
        * decl.cc (reshape_init_array_1): Set
        CONSTRUCTOR_IS_DESIGNATED_INIT here.
        (reshape_init_class): And here.
        (reshape_init): Not here.

2022-06-23  Patrick Palka  <ppalka@redhat.com>

        PR c++/105931
        * expr.cc (fold_for_warn): Don't fold when in an unevaluated
        context.

2022-06-23  Patrick Palka  <ppalka@redhat.com>

        PR c++/105982
        * pt.cc (lookup_template_class): After calling complete_type for
        the substituted context, check the table again iff the type was
        previously incomplete and complete_type made it complete.

2022-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/94554
        * pt.cc (dependent_operand_p): Split out from...
        (tsubst_copy_and_build): ...here.
        (tsubst_expr) [IF_STMT]: Use it.
        * semantics.cc (finish_if_stmt_cond): Keep the pre-conversion
        condition in the template tree.

2022-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/105885
        * pt.cc (tsubst_copy_and_build): Also suppress -Waddress for
        comparison of dependent operands.

2022-06-23  Nathan Sidwell  <nathan@acm.org>

        * module.cc (struct macro_info): New.
        (struct macro_traits): New.
        (macro_remap, macro_table): New globals.
        (depset::hash::find_dependencies): Note namespace location.
        (module_for_macro_loc): Adjust.
        (module_state::note_location): New.
        (module_state::Write_location): Note location when not
        streaming. Adjust macro location streaming.
        (module_state::read_location): Adjust macro location
        streaming.
        (module_state::write_init_maps): New.
        (module_state::write_prepare_maps): Reimplement macro map
        preparation.
        (module_state::write_macro_maps): Reimplement.
        (module_state::read_macro_maps): Likewise.
        (module_state::write_begin): Adjust.

2022-06-23  Jason Merrill  <jason@redhat.com>

        * pt.cc (type_unification_real): An auto tparm can't
        be affected by other deductions.

2022-06-23  Jason Merrill  <jason@redhat.com>

        PR c++/105964
        * pt.cc (type_dependent_expression_p): Look through BASELINK.

2022-06-22  Jason Merrill  <jason@redhat.com>

        PR c++/105908
        * name-lookup.cc (outer_binding): Strip BASELINK.

2022-06-22  Nathan Sidwell  <nathan@acm.org>

        * module.cc (struct duplicate_hash): Remove.
        (duplicate_hash_map): Adjust.

2022-06-22  Jason Merrill  <jason@redhat.com>

        PR c++/104642
        * constexpr.cc (cxx_eval_builtin_function_call): Handle
        unreachable/trap earlier.
        * cp-gimplify.cc (cp_maybe_instrument_return): Use
        build_builtin_unreachable.

2022-06-18  Jakub Jelinek  <jakub@redhat.com>

        * cp-ubsan.cc (cp_ubsan_instrument_vptr_p): Use
        flag_sanitize_trap & SANITIZE_VPTR instead of
        flag_sanitize_undefined_trap_on_error.

2022-06-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/106001
        * typeck.cc (build_x_shufflevector): Use fold_non_dependent_expr
        instead of maybe_constant_value.

2022-06-16  Nathan Sidwell  <nathan@acm.org>

        * decl2.cc (finish_objects): Add startp parameter, adjust.
        (generate_ctor_or_dtor_function): Detect empty fn, and don't
        generate unnecessary code.  Remove objc startup here ...
        (c_parse_final_cleanyps): ... do it here.

2022-06-16  Martin Liska  <mliska@suse.cz>

        * decl2.cc (struct priority_map_traits): Remove unused param.

2022-06-15  Nathan Sidwell  <nathan@acm.org>

        * module.cc (module_state::write_readme): Use less confusing
        importable unit names.

2022-06-14  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (fini_modules): Add has_inits parm.
        * decl2.cc (c_parse_final_cleanups): Check for
        inits, adjust fini_modules flags.
        * module.cc (module_state): Rename call_init_p to
        active_init_p.
        (module_state::write_config): Write active_init.
        (module_state::read_config): Read it.
        (module_determine_import_inits): Clear active_init_p
        of covered inits.
        (late_finish_module): Add has_init parm.  Record it.
        (fini_modules): Adjust.

2022-06-13  Nathan Sidwell  <nathan@acm.org>

        * module.cc (module_state::write): Separate to ...
        (module_state::write_begin, module_state::write_end): ...
        these.
        (module_state::write_readme): Drop extensions parameter.
        (struct module_processing_cookie): Add more fields.
        (finish_module_processing): Adjust state writing call.
        (late_finish_module): Call write_end.

2022-06-10  Patrick Palka  <ppalka@redhat.com>

        PR c++/65328
        * decl.cc (typename_hasher::hash): Add extra overloads.
        Use iterative_hash_object instead of htab_hash_pointer.
        Hash TYPENAME_TYPE_FULLNAME instead of TYPE_IDENTIFIER.
        (build_typename_type): Use typename_hasher::hash.
        * pt.cc (spec_hasher::hash): Add two-parameter overload.
        Set comparing_specializations around the call to
        hash_tmpl_and_args.
        (iterative_hash_template_arg) <case TYPENAME_TYPE>:
        When comparing_specializations, hash the TYPE_CONTEXT
        and TYPENAME_TYPE_FULLNAME.
        (tsubst_function_decl): Use spec_hasher::hash instead of
        hash_tmpl_and_args.
        (tsubst_template_decl): Likewise.
        (tsubst_decl): Likewise.

2022-06-10  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (instantiate_template): Don't substitute the context
        of the most general template if that of the partially
        instantiated template is already non-dependent.

2022-06-10  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (lookup_template_class): Remove dead stores to
        context parameter.  Don't substitute the context of the
        most general template if that of the partially instantiated
        template is already non-dependent.  Check the specializations
        table again after completing the context of a nested dependent
        specialization.
        (tsubst_aggr_type) <case RECORD_TYPE>: Don't substitute
        TYPE_CONTEXT or pass it to lookup_template_class.
        (tsubst_decl) <case TYPE_DECL, case TYPE_DECL>: Avoid substituting
        the TREE_TYPE for DECL_SELF_REFERENCE_P.  Avoid template argument
        substitution or coercion in some cases.

2022-06-10  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (fini_modules): Add some parameters.
        (finish_module_processing): Return an opaque pointer.
        * decl2.cc (c_parse_final_cleanups): Propagate a cookie from
        finish_module_processing to fini_modules.
        * module.cc (struct module_processing_cookie): New.
        (finish_module_processing): Return a heap-allocated cookie.
        (late_finish_module): New.  Finish out the module writing.
        (fini_modules): Adjust.

2022-06-10  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (module_has_import_init): Rename to ...
        (module_determined_import_inits): ... here.
        * decl2.cc (start_objects): Do not handle module initializers
        here.
        (c_parse_final_cleanups): Generate a separate module
        initializer calling function and add it to the list.  Shrink
        the c-lang region.
        * module.cc (num_init_calls_needed): Delete.
         (module_has_import_init): Rename to ...
        (module_determined_import_inits): ... here. Do the
        calculation here ...
        (finish_module_processing): ... rather than here.
        (module_add_import_initializers): Reformat.

2022-06-09  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105871
        * constexpr.cc (cxx_eval_bit_field_ref): For BIT_FIELD_REF with
        non-integral result type use fold_ternary too like for BIT_FIELD_REFs
        from VECTOR_CST.  If fold_ternary returns NULL, diagnose non-constant
        expression, set *non_constant_p and return t, instead of returning
        NULL.

2022-06-09  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (module_initializer_kind): Replace with ...
        (module_global_init_needed, module_has_import_inits): ...
        these.
        * decl2.cc (start_objects): Add has_body parm.  Reorganize
        module initializer creation.
        (generate_ctor_or_dtor_function): Adjust.
        (c_parse_final_cleanups): Adjust.
        (vtv_start_verification_constructor_init_function): Adjust.
        * module.cc (module_initializer_kind): Replace with ...
        (module_global_init_needed, module_has_import_inits): ...
        these.

2022-06-08  Jason Merrill  <jason@redhat.com>

        PR c++/105852
        * decl.cc (duplicate_decls): Change non-templated friend
        check to an assert.
        * pt.cc (tsubst_function_decl): Don't set DECL_TEMPLATE_INFO
        on non-templated friends.
        (tsubst_friend_function): Adjust.

2022-06-08  Jason Merrill  <jason@redhat.com>

        PR c++/105852
        PR c++/105761
        * decl.cc (duplicate_decls): Avoid copying template info
        from non-templated friend even if newdecl isn't a definition.
        Correct handling of DECL_UNIQUE_FRIEND_P on templates.
        * pt.cc (non_templated_friend_p): New.
        * cp-tree.h (non_templated_friend_p): Declare it.

2022-06-08  Nathan Sidwell  <nathan@acm.org>

        * decl2.cc (struct priority_info_s, priority_info): Delete.
        (priority_map_traits, priority_map_t): New.
        (static_init_fini_fns): New.
        (INITIALIZE_P_IDENTIFIER, PRIORITY_IDENTIFIER): Delete.
        (initialize_p_decl, priority_decl): Delete.
        (ssdf_decls, priority_info_map): Delete.
        (start_static_storage_duration_function): Rename to ...
        (start_partial_init_fini_fn): ... here. Create a void arg fn.
        Add it to the slot in the appropriate static_init_fini_fns
        hash table.
        (finish_static_storage_duration_function): Rename to ...
        (finish_partial_init_fini_fn): ... here.
        (get_priority_info): Delete.
        (one_static_initialization_or_destruction): Assert not
        trivial dtor.
        (do_static_initialization_or_destruction): Rename to ...
        (emit_partial_init_fini_fn) ... here.  Start & finish the fn.
        Simply init/fini each var.
        (partition_vars_for_init_fini): Partition vars according to
        priority and add to init and/or fini list.
        (generate_ctor_or_dtor_function): Start and finish the function.
        Do santitizer calls here.
        (generate_ctor_and_dtor_functions_for_priority): Delete.
        (c_parse_final_cleanups): Reimplement global init/fini
        processing.

2022-06-07  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (cp_parser_omp_clause_linear): Parse OpenMP 5.2
        style linear clause modifiers.  Set
        OMP_CLAUSE_LINEAR_OLD_LINEAR_MODIFIER flag on the clauses when
        old style modifiers are used.
        * semantics.cc (finish_omp_clauses): Only reject linear clause
        with val modifier on simd or for if the old style modifiers are
        used.

2022-06-07  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/96442
        * decl.cc (start_enum): When emitting a "must be integral" error,
        set ENUM_UNDERLYING_TYPE to integer_type_node, to avoid an ICE
        downstream in build_enumeration.

2022-06-06  Patrick Palka  <ppalka@redhat.com>

        PR c++/53164
        PR c++/105848
        * pt.cc (tsubst_copy_and_build) <case CALL_EXPR>: Look through an
        ADDR_EXPR callee when calling mark_used.

2022-06-04  Marek Polacek  <polacek@redhat.com>

        PR c++/102399
        PR c++/69585
        * parser.cc (cp_parser_attributes_opt): Accept GNU attributes
        followed by [[]] attributes and vice versa.

2022-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/105756
        * typeck.cc (cp_build_binary_op): Don't fold operands
        when c_inhibit_evaluation_warnings.

2022-06-03  Jason Merrill  <jason@redhat.com>

        PR c++/105761
        * decl.cc (duplicate_decls): Don't copy DECL_TEMPLATE_INFO
        from a hidden friend.

2022-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/105637
        * tree.cc (maybe_dummy_object): When returning a dummy
        object, respect the cv-quals of 'this' if available.

2022-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/100374
        * pt.cc (determine_specialization): Compare overall constraints
        not just the trailing constraints.
        (tsubst_each_template_parm_constraints): Define.
        (tsubst_friend_function): Use it.
        (tsubst_friend_class): Use it.
        (tsubst_template_parm): Don't substitute TEMPLATE_PARM_CONSTRAINTS.

2022-06-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/105797
        * pt.cc (for_each_template_parm_r) <case FUNCTION_DECL, VAR_DECL>:
        Don't walk DECL_CONTEXT.
        <case PARM_DECL>: Likewise.  Walk TREE_TYPE.
        <case CONST_DECL>: Simplify.
        (any_template_parm_r) <case PARM_DECL>: Don't walk TREE_TYPE.

2022-06-02  Marek Polacek  <polacek@redhat.com>

        * constexpr.cc (potential_constant_expression_1): Treat
        {,VEC_}NEW_EXPR and {,VEC_}DELETE_EXPRas potentially constant in C++20.

2022-06-02  Marek Polacek  <polacek@redhat.com>

        PR c++/105803
        * pt.cc (value_dependent_expression_p): Handle {,VEC_}NEW_EXPR
        in the switch.

2022-06-02  David Malcolm  <dmalcolm@redhat.com>

        * cp-lang.cc (LANG_HOOKS_GET_SARIF_SOURCE_LANGUAGE): Redefine.
        (cp_get_sarif_source_language): New.

2022-06-02  Jason Merrill  <jason@redhat.com>

        PR c++/105795
        * constexpr.cc (init_subob_ctx): Clear ctx->ctor for empty subob.
        (cxx_eval_store_expression): Likewise.
        (cxx_eval_bare_aggregate): Handle null ctx->ctor.

2022-06-02  Jason Merrill  <jason@redhat.com>

        PR c++/105795
        * constexpr.cc (cxx_eval_bare_aggregate): Always call
        init_subob_ctx.

2022-06-01  Jason Merrill  <jason@redhat.com>

        PR c++/105734
        * parser.cc (cp_parser_postfix_dot_deref_expression): Use typeof
        if the expression has auto type.

2022-06-01  Jason Merrill  <jason@redhat.com>

        PR c++/105779
        * call.cc (resolve_args): Call mark_single_function here.
        * pt.cc (unify_one_argument): Not here.

2022-06-01  Nathan Sidwell  <nathan@acm.org>

        * decl2.cc (fix_temporary_vars_context_r): Use data argument
        for new context.
        (one_static_initialization_or_destruction): Adjust tree walk
        call.  Refactor guard generation.

2022-06-01  Nathan Sidwell  <nathan@acm.org>

        * decl2.cc (ssdf_decl): Delete global.
        (start_static_storage_duration_function): Use some RAII.
        (do_static_initialization_or_destruction): Likewise.
        (c_parse_final_cleanups): Likewise.  Avoid rechecking 'vars'.

2022-06-01  Nathan Sidwell  <nathan@acm.org>

        * decl2.cc (start_objects): Replace 'method_type' parameter
        with 'initp' boolean, rename and retype 'priority' parameter.
        (finish_objects): Likewise.  Do not expand here.
        (one_static_initialization_or_destruction): Move 'initp'
        parameter first.
        (do_static_initialization_or_destruction): Likewise.
        (generate_ctor_or_dtor_function): Rename 'initp' parameter.
        Adjust start_objects/finish_obects calls and expand here.
        (generate_ctor_and_dtor_functions_for_priority): Adjust calls.
        (c_parse_final_cleanups): Likewise.
        (vtv_start_verification_constructor_init): Adjust.
        (vtv_finish_verification_constructor_init): Use finish_objects.

2022-05-31  Patrick Palka  <ppalka@redhat.com>

        PR c++/105758
        * call.cc (build_over_call): Use z_candidate::conversion_path
        and ::access_path instead of TYPE_BINFO when building the
        BASELINK for the templated form.

2022-05-31  Patrick Palka  <ppalka@redhat.com>

        * parser.cc: Use auto_timevar instead of timevar_push/pop.
        Remove wrapper functions.
        * pt.cc: Likewise.

2022-05-31  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (cp_build_qualified_type_real): Rename to ...
        (cp_build_qualified_type): ... this.  Give its last parameter
        a default argument.  Remove macro of the same name.
        * decl.cc (grokdeclarator): Adjust accordingly.
        * pt.cc (tsubst_aggr_type): Likewise.
        (rebuild_function_or_method_type): Likewise.
        (tsubst): Likewise.
        (maybe_dependent_member_ref): Likewise.
        (unify): Likewise.
        * tree.cc (cp_build_qualified_type_real): Rename to ...
        (cp_build_qualified_type): ... this.  Adjust accordingly.

2022-05-31  Jason Merrill  <jason@redhat.com>

        * Make-lang.in (c++.tags): Just look at *.cc.

2022-05-31  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (comp_template_args): Change return type to bool.
        * pt.cc (comp_template_args): Document default arguments.
        Change return type to bool and adjust returns accordingly.

2022-05-31  Patrick Palka  <ppalka@redhat.com>

        * decl.cc (grokvardecl): Use current_template_constraints.
        (grokdeclarator): Likewise.
        (xref_tag): Likewise.
        * semantics.cc (finish_template_template_parm): Likewise.

2022-05-31  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (OMP_SCOPE_CLAUSE_MASK): Add firstprivate and allocate
        clauses.

2022-05-30  Marek Polacek  <polacek@redhat.com>

        PR c++/99080
        * pt.cc (type_dependent_expression_p): Assert !TYPE_P.
        * semantics.cc (finish_id_expression_1): Handle UNBOUND_CLASS_TEMPLATE
        specifically.

2022-05-28  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (handle_omp_declare_target_clause): If OMP_CLAUSE_LINK was
        seen first, use "%<to%>" or "%<enter%>" depending on
        OMP_CLAUSE_ENTER_TO of the current clause, otherwise use
        "%<to%> or %<enter%>" wording.

2022-05-28  Jason Merrill  <jason@redhat.com>

        PR c++/105652
        * pt.cc (tsubst_lambda_expr): Don't let a namespace-scope lambda
        instantiate into a class-scope lambda.

2022-05-27  Marek Polacek  <polacek@redhat.com>

        PR c++/105725
        * parser.cc (class_decl_loc_t::add): Check CLASS_TYPE_P.

2022-05-27  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (cp_parser_omp_clause_name): Parse enter clause.
        (cp_parser_omp_all_clauses): For to clause on declare target, use
        OMP_CLAUSE_ENTER clause with OMP_CLAUSE_ENTER_TO instead of
        OMP_CLAUSE_TO_DECLARE clause.  Handle PRAGMA_OMP_CLAUSE_ENTER.
        (OMP_DECLARE_TARGET_CLAUSE_MASK): Add enter clause.
        (cp_parser_omp_declare_target): Use OMP_CLAUSE_ENTER instead of
        OMP_CLAUSE_TO_DECLARE.
        * semantics.cc (finish_omp_clauses): Handle OMP_CLAUSE_ENTER instead
        of OMP_CLAUSE_TO_DECLARE, to OMP_CLAUSE_ENTER_TO use "to" as clause
        name in diagnostics instead of
        omp_clause_code_name[OMP_CLAUSE_CODE (c)].

2022-05-26  Marek Polacek  <polacek@redhat.com>

        PR c++/105569
        * typeck.cc (warn_for_null_address): Improve the warning when
        the POINTER_PLUS_EXPR's base is of reference type.

2022-05-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/96363
        * decl.cc (shadow_tag): Use the return value of
        maybe_process_partial_specialization.
        * parser.cc (cp_parser_single_declaration): Call shadow_tag
        before associate_classtype_constraints.
        * pt.cc (maybe_new_partial_specialization): Change return type
        to bool.  Take 'type' argument by mutable reference.  Set 'type'
        to point to the correct constrained specialization when
        appropriate.
        (maybe_process_partial_specialization): Adjust accordingly.

2022-05-25  Marek Polacek  <polacek@redhat.com>

        PR c++/96637
        * cp-tree.h (attr_chainon): Declare.
        * decl.cc (start_decl): Use attr_chainon.
        (grokdeclarator): Likewise.
        * parser.cc (cp_parser_statement): No longer static.

2022-05-25  Jason Merrill  <jason@redhat.com>

        PR c++/105655
        * pt.cc (build_template_decl): Add assert.
        (tsubst_function_decl): Don't return a template.

2022-05-25  Jason Merrill  <jason@redhat.com>

        PR c++/105623
        * decl2.cc (mark_used): Copy type from fn to BASELINK.
        * pt.cc (unify_one_argument): Call mark_single_function.

2022-05-25  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (cxx_eval_call_expression): Check for
        heap vars in the result.

2022-05-25  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (maybe_constant_init_1): Only pass false for
        strict when initializing a variable of static duration.

2022-05-25  Marek Polacek  <polacek@redhat.com>

        PR c++/100252
        * typeck2.cc (potential_prvalue_result_of): New.
        (replace_placeholders_for_class_temp_r): New.
        (digest_nsdmi_init): Call it.

2022-05-24  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (cxx_fold_indirect_ref): Add default arg.
        (cxx_eval_call_expression): Call it.
        (cxx_fold_indirect_ref_1): Handle null empty_base.

2022-05-24  Jason Merrill  <jason@redhat.com>

        * constexpr.cc (enum value_cat): New. Change all 'lval' parameters
        from int to value_cat.  Change most false to vc_prvalue, most true
        to vc_glvalue, cases where the return value is ignored to
        vc_discard.
        (cxx_eval_statement_list): Only vc_prvalue for stmt-expr result.
        (cxx_eval_store_expression): Only build _REF for vc_glvalue.
        (cxx_eval_array_reference, cxx_eval_component_reference)
        (cxx_eval_indirect_ref, cxx_eval_constant_expression): Likewise.

2022-05-24  Jason Merrill  <jason@redhat.com>

        PR c++/105622
        * constexpr.cc (cxx_eval_store_expression): Adjust assert.
        Use initialized_type.

2022-05-24  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (any_template_arguments_need_structural_equality_p):
        Declare.
        * pt.cc (struct ctp_hasher): Define.
        (ctp_table): Define.
        (canonical_type_parameter): Use it.
        (process_template_parm): Set TYPE_CANONICAL for
        TEMPLATE_TEMPLATE_PARM too.
        (lookup_template_class_1): Remove now outdated comment for the
        any_template_arguments_need_structural_equality_p test.
        (tsubst) <case TEMPLATE_TEMPLATE_PARM, etc>: Don't specifically
        clear TYPE_CANONICAL for ttps.  Set TYPE_CANONICAL on the
        substituted type later.
        (any_template_arguments_need_structural_equality_p): Return
        true for any_targ_node.  Don't return true just because a
        template argument uses structural equality.  Add comment for
        the PARM_DECL special case.
        (rewrite_template_parm): Set TYPE_CANONICAL on the rewritten
        parm's type later.
        * tree.cc (bind_template_template_parm): Set TYPE_CANONICAL
        when safe to do so.
        * typeck.cc (structural_comptypes) [check_alias]: Increment
        processing_template_decl before checking
        dependent_alias_template_spec_p.

2022-05-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/105378
        * parser.cc (OMP_TASKWAIT_CLAUSE_MASK): Add nowait clause.

2022-05-20  David Malcolm  <dmalcolm@redhat.com>

        * cxx-pretty-print.h: Replace uses of "FINAL" and "OVERRIDE" with
        "final" and "override".
        * error.cc: Likewise.

2022-05-18  Marek Polacek  <polacek@redhat.com>

        PR c++/105634
        * call.cc (maybe_warn_class_memaccess): Avoid % by zero.

2022-05-17  Jason Merrill  <jason@redhat.com>

        PR c++/102307
        * decl.cc (check_initializer): Use build_cplus_new in case of
        constexpr failure.

2022-05-17  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (cp_parser_omp_clause_depend): Parse
        inoutset depend-kind.
        (cp_parser_omp_depobj): Likewise.
        * cxx-pretty-print.cc (cxx_pretty_printer::statement): Handle
        OMP_CLAUSE_DEPEND_INOUTSET.

2022-05-16  Martin Liska  <mliska@suse.cz>

        * module.cc (depset::entity_kind_name): Use ARRAY_SIZE.
        * name-lookup.cc (get_std_name_hint): Likewise.
        * parser.cc (cp_parser_new): Likewise.

2022-05-16  Marcel Vollweiler  <marcel@codesourcery.com>

        * pt.cc (tsubst_omp_clauses): Added OMP_CLAUSE_HAS_DEVICE_ADDR.
        * semantics.cc (finish_omp_clauses): Added template decl processing.

2022-05-15  Jason Merrill  <jason@redhat.com>

        PR c++/100502
        PR c++/58993
        * friend.cc (is_friend): Hidden friends count as members.
        * search.cc (friend_accessible_p): Likewise.

2022-05-15  Jason Merrill  <jason@redhat.com>

        * parser.cc (cp_parser_template_name): Look through
        injected-class-name.

2022-05-15  Jason Merrill  <jason@redhat.com>

        PR c++/105589
        PR c++/105191
        PR c++/92385
        * init.cc (build_value_init): Handle class in template.

2022-05-13  Nathan Sidwell  <nathan@acm.org>

        * mangle.cc (maybe_write_module): Check external linkage.

2022-05-13  Richard Biener  <rguenther@suse.de>

        * constexpr.cc: Remove gimple-fold.h include.

2022-05-12  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (TMPL_ARGS_LEVEL): Assert LEVEL is 1 when
        TMPL_ARGS_HAVE_MULTIPLE_LEVELS is false.
        * pt.cc (try_class_unification): Correctly copy multidimensional
        targs.  Free the copy of targs.
        (unify_pack_expansion): Fix level comparison.

2022-05-12  Nathan Sidwell  <nathan@acm.org>

        * parser.cc (cp_parser_linkage_specification): Implement
        global module attachment semantics.

2022-05-12  Jakub Jelinek  <jakub@redhat.com>

        * lex.cc (init_reswords): Register omp_all_memory as keyword
        if flag_openmp.
        * parser.cc (cp_parser_primary_expression): Diagnose uses of
        omp_all_memory in postfix expressions.
        (cp_parser_omp_var_list_no_open): Handle omp_all_memory in depend
        clause.
        * semantics.cc (finish_omp_clauses): Handle omp_all_memory
        keyword in depend clause as null_pointer_node, diagnose invalid
        uses.
        * pt.cc (tsubst_omp_clause_decl): Pass through omp_all_memory.

2022-05-11  Patrick Palka  <ppalka@redhat.com>

        * constraint.cc (tsubst_parameter_mapping): Convert loop over
        TREE_VEC into a range-based for loop using tree_vec_range.
        * pt.cc (iterative_hash_template_arg): Likewise.
        (template_parms_level_to_args): Likewise.
        (deducible_template_args): Likewise.
        (check_undeduced_parms): Likewise.
        (dependent_type_p_r): Likewise.
        (value_dependent_expression_p) <case NONTYPE_ARGUMENT_PACK>:
        Likewise.
        (dependent_template_arg_p): Likewise.
        * tree.cc (cp_walk_subtrees) <case NONTYPE_ARGUMENT_PACK>:
        Likewise.

2022-05-11  Jason Merrill  <jason@redhat.com>

        PR c++/105541
        * cp-tree.h (TMPL_ARGS_DEPTH): 0 for null args.
        * parser.cc (cp_parser_enclosed_template_argument_list):
        Use 0-length TREE_VEC for <>.

2022-05-11  Jason Merrill  <jason@redhat.com>

        PR bootstrap/105567
        * typeck.cc (check_return_expr): Don't mess with ctor return value
        while parsing a template.

2022-05-11  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (DECL_MODULE_ATTACH_P): New.
        (struct lang_decl_base): Add module_attach_p flag.
        * decl.cc (duplicate_decls): Rework module redeclaration
        checking.
        * module.cc (trees_out::lang_decl_bools): Write attach flag.
        (trees_in::lang_decl_bools): ... and read it back.
        (trees_out::decl_value): Rework module attachment handling.
        (trees_in::decl_value): Rename local var to reflect meaning.
        (trees_in::key_mergeable): Likewise.
        (get_originating_module): Use DECL_MODULE_ATTACH_P.  No need
        to special-case mangling.
        (module_may_redeclare): Reimplement.
        (set_originating_module): Deal with attachment.
        * name-lookup.cc (maybe_record_mergeable_decl): Deal with
        attachment.
        (mergeable_namespace_slots): Likewise.
        (do_nonmember_using_decl): Likewise.
        * name-lookup.h (mergeable_namespace_slots): Adjust parm
        meaning.
        * ptree.cc (cxx_print_decl): Adjust purview & attach printing.

2022-05-11  Martin Liska  <mliska@suse.cz>

        PR target/105355
        * lang-specs.h: Use Separate syntax.

2022-05-10  Patrick Palka  <ppalka@redhat.com>

        * coroutines.cc (instantiate_coro_traits): Adjust accordingly.
        * cp-tree.def: Remove mention of SET_PACK_EXPANSION_PATTERN.
        * cp-tree.h (SET_PACK_EXPANSION_PATTERN): Remove.
        (SET_ARGUMENT_PACK_ARGS): Remove.
        * module.cc (trees_in::tree_node): Adjust accordingly.
        * parser.cc (make_char_string_pack): Likewise.
        (make_string_pack): Likewise.
        * pt.cc (make_pack_expansion): Likewise.
        (template_parm_to_arg): Likewise.
        (coerce_template_parameter_pack): Likewise.
        (extract_fnparm_pack): Likewise.
        (extract_locals_r): Likewise.
        (make_argument_pack): Likewise.
        (tsubst_argument_pack): Likewise.
        (lookup_init_capture_pack): Likewise.
        (type_unification_real): Likewise.
        (unify_pack_expansion): Likewise.
        (tsubst_initializer_list): Likewise.

2022-05-10  Patrick Palka  <ppalka@redhat.com>

        * cp-tree.h (PACK_EXPANSION_CHECK): Define.
        (PACK_EXPANSION_PATTERN): Use PACK_EXPANSION_CHECK.
        (SET_PACK_EXPANSION_PATTERN): Likewise.
        (PACK_EXPANSION_PARAMETER_PACKS): Likewise.
        (PACK_EXPANSION_EXTRA_ARGS): Likewise.
        (PACK_EXPANSION_LOCAL_P): Likewise.
        (PACK_EXPANSION_SIZEOF_P): Likewise.
        (PACK_EXPANSION_AUTO_P): Likewise.
        (PACK_EXPANSION_FORCE_EXTRA_ARGS_P): Likewise.
        (ARGUMENT_PACK_CHECK): Define.
        (ARGUMENT_PACK_ARGS): Use ARGUMENT_PACK_CHECK.
        (SET_ARGUMENT_PACK_ARGS): Likewise.
        * parser.cc (cp_parser_sizeof_pack): Check for error_mark_node
        before setting PACK_EXPANSION_SIZEOF_P.

2022-05-10  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (enum module_kind_bits): Disambiguate purview,
        attach, named module vs header-unit.
        (global_purview_p, not_module_p): Delete.
        (named_module_p): New.
        (header_module_p, module_purview_p): Adjust.
        (module_attach_p, named_module_purview_p): New.
        * decl.cc (duplicate_decls): Adjust.
        * module.cc (declare_module, preprocessed_module): Adjust.
        * name-lookup.cc (init_global_partition): Adjust.
        (get_fixed_binding_slot, pushdecl): Adjust.
        * parser.cc (cp_parser_module_declaration): Adjust.
        (cp_parser_import_declaration, cp_parser_declaration): Adjust.

2022-05-10  Jason Merrill  <jason@redhat.com>

        PR c++/105529
        * decl.cc (maybe_return_this): Replace...
        (finish_constructor_body, finish_destructor_body): ...these.
        (finish_function_body): Call it.
        * optimize.cc (build_delete_destructor_body): Call it.
        * cp-tree.h (maybe_return_this): Declare.

2022-05-09  Marek Polacek  <polacek@redhat.com>

        PR c++/103539
        * parser.cc (cp_parser_statement): Constify the in_compound parameter.
        Create a modifiable copy.  Allow labels at the end of compound
        statements.

2022-05-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/105491
        * call.cc (field_in_pset): Adjust after next_initializable_field
        renaming.
        (build_aggr_conv): Likewise.
        (convert_like_internal): Likewise.
        (type_has_extended_temps): Likewise.
        * class.cc (default_init_uninitialized_part): Likewise.
        (finish_struct): Likewise.
        * constexpr.cc (cx_check_missing_mem_inits): Likewise.
        (reduced_constant_expression_p): Use next_subobject_field
        instead.
        * cp-gimplify.cc (get_source_location_impl_type): Adjust after
        next_initializable_field renaming.
        (fold_builtin_source_location): Likewise.
        * cp-tree.h (next_initializable_field): Rename to ...
        (next_aggregate_field): ... this.
        (next_subobject_field): Declare.
        * decl.cc (next_aggregate_field): Renamed from ...
        (next_initializable_field): ... this.  Skip over vptr fields
        again.
        (next_subobject_field): Define.
        (reshape_init_class): Adjust after next_initializable_field
        renaming.
        * init.cc (build_value_init_noctor): Likewise.
        (emit_mem_initializers): Likewise.
        * lambda.cc (build_capture_proxy): Likewise.
        * method.cc (build_comparison_op): Likewise.
        * pt.cc (maybe_aggr_guide): Likewise.
        * tree.cc (structural_type_p): Likewise.
        * typeck2.cc (split_nonconstant_init_1): Likewise.
        (digest_init_r): Likewise.

2022-05-09  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (DECL_MODULE_KEYED_DECLS_P): Renamed from
        DECL_MODULE_ATTACHMENTS_P.
        (struct lane_decl_base): Rename module_attached_p to
        module_keyed_decls_p.
        (maybe_key_decl): Renamed from maybe_attach_decl.
        * lambda.cc (record_lambda_scope): Adjust.
        * lex.cc (cxx_dup_lang_specific_decl): Adjust.
        * module.cc (keyed_map_t, keyed_table): Renamed from attached_map_t,
        attached_table.
        (enum merge_kind): Rename MK_attached to MK_keyed.
        (trees_out::lang_decl_bools): Adjust.
        (trees_in::lang_decl_bools): Adjust.
        (trees_in::decl_value): Adjust.
        (trees_out::get_merge_kind): Adjust.
        (trees_out::key_mergeable): Adjust.
        (trees_in::key_mergeable): Adjust.
        (maybe_key_decl): Rename from maybe_attach_decl.
        (direct_import): Adjust.
        (fini_modules): Adjust.

2022-05-09  Martin Liska  <mliska@suse.cz>

        * cp-gimplify.cc (cp_genericize_r): Use {,UN}LIKELY
        macros.
        * parser.cc (cp_finalize_omp_declare_simd): Likewise.
        (cp_finalize_oacc_routine): Likewise.

2022-05-07  Marek Polacek  <polacek@redhat.com>

        PR c++/101833
        PR c++/47634
        * tree.cc (maybe_adjust_arg_pos_for_attribute): New.

2022-05-06  Jason Merrill  <jason@redhat.com>

        * error.cc (decl_to_string): Add show_color parameter.
        (subst_to_string): Likewise.
        (cp_printer): Pass it.
        (type_to_string): Set pp_show_color.
        (dump_function_name): Use "fnname" color.
        (dump_template_bindings): Use "targs" color.
        (struct colorize_guard): New.
        (reinit_cxx_pp): Clear pp_show_color.

2022-05-06  Jason Merrill  <jason@redhat.com>

        PR c++/105245
        PR c++/100111
        * constexpr.cc (cxx_eval_store_expression): Reorganize empty base
        handling.

2022-05-05  Marek Polacek  <polacek@redhat.com>

        PR c++/64679
        * parser.cc (cp_parser_parameter_declaration_clause): Maintain
        a vector of parameters that haven't been pushed yet.  Push them at the
        end of a valid parameter-declaration-clause.
        (cp_parser_parameter_declaration_list): Take a new auto_vec parameter.
        Do not pushdecl while parsing tentatively when pushdecl-ing a parameter
        would result in a hard error.
        (cp_parser_cache_defarg): Adjust the call to
        cp_parser_parameter_declaration_list.

2022-05-05  Richard Biener  <rguenther@suse.de>

        * module.cc (trees_in::core_vals): Remove separate allocation
        for REAL_CST.

2022-05-04  Jason Merrill  <jason@redhat.com>

        PR c++/104470
        * pt.cc (maybe_dependent_member_ref): Handle types.
        (tsubst, tsubst_copy): Use it.
        (tsubst_aggr_type, instantiate_alias_template): Don't handle
        tf_dguide here.

2022-05-04  Patrick Palka  <ppalka@redhat.com>

        PR c++/105476
        * pt.cc (maybe_aggr_guide): Set processing_template_decl when
        partially instantiating the guide's parameter list.

2022-05-04  Marek Polacek  <polacek@redhat.com>

        PR c++/64679
        * parser.cc (cp_parser_init_declarator): Properly handle a series of
        operator() calls, they are not part of an init-declarator.

2022-05-04  Jason Merrill  <jason@redhat.com>

        * decl.cc (reshape_init): Shortcut already-reshaped init.
         (reshape_init_class): Assert not getting one here.

2022-05-04  Jason Merrill  <jason@redhat.com>

        * error.cc (cp_print_error_function): Use %qD.
        (function_category): Use %qD.

2022-05-04  Marek Polacek  <polacek@redhat.com>

        PR c++/105436
        * parser.cc (cp_parser_next_token_ends_template_argument_p): Don't
        return true for CPP_GREATER_EQ.

2022-05-04  Jason Merrill  <jason@redhat.com>

        * cp-tree.h (struct language_function): Remove x_cdtor_label.
        (cdtor_label, LABEL_DECL_CDTOR): Remove.
        * constexpr.cc (returns): Don't check LABEL_DECL_CDTOR.
        (cxx_eval_constant_expression): Don't call returns.
        * decl.cc (check_goto): Don't check cdtor_label.
        (start_preparsed_function): And don't set it.
        (finish_constructor_body, finish_destructor_body): Remove.
        (finish_function_body): Don't call them.
        * typeck.cc (check_return_expr): Handle cdtor_returns_this here.
        * semantics.cc (finish_return_stmt): Not here.

2022-05-04  Jakub Jelinek  <jakub@redhat.com>

        * lambda.cc: Include decl.h.
        (maybe_add_lambda_conv_op): Temporarily override deprecated_state to
        UNAVAILABLE_DEPRECATED_SUPPRESS.

2022-05-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/105351
        * cp-tree.h (finish_non_static_data_member): Add defaulted
        complain parameter.
        * pt.cc (tsubst_copy_and_build): Pass complain to
        finish_non_static_data_member.
        * semantics.cc (finish_non_static_data_member): Respect complain
        parameter.
        (finish_qualified_id_expr): Pass complain to
        finish_non_static_data_member.

2022-05-02  Jason Merrill  <jason@redhat.com>

        * pt.cc (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Copy location.
        (do_auto_deduction): Use expr location.

2022-05-02  Jason Merrill  <jason@redhat.com>

        * class.cc (maybe_note_name_used_in_class): Note in all enclosing
        classes.  Remember location of use.
        (note_name_declared_in_class): Adjust.

2022-05-02  Marek Polacek  <polacek@redhat.com>

        * cp-tree.h (uses_template_parms): Adjust declaration.
        * pt.cc (uses_template_parms): Return bool.  Use a RAII sentinel.

2022-05-02  Richard Biener  <rguenther@suse.de>

        * constexpr.cc (fold_simple_1): Use CASE_CONVERT.
        * cp-gimplify.cc (cp_fold): Likewise.
        * pt.cc (tsubst_copy): Likewise.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/91618
        PR c++/96604
        * friend.cc (do_friend): Call check_explicit_specialization here.
        * decl.cc (grokdeclarator): Not here.
        * decl2.cc (check_classfn): Or here.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/104470
        * cp-tree.h (enum tsubst_flags): Add tf_dguide.
        * pt.cc (tsubst_aggr_type): Check it.
        (tsubst_baselink, tsubst_copy): Check it.
        (maybe_dependent_member_ref): Check it.
        (instantiate_alias_template): Handle it.
        (build_deduction_guide): Set it.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/82980
        * lambda.cc (type_deducible_expression_p): Allow more types.

2022-04-29  Jason Merrill  <jason@redhat.com>

        * decl.cc (cp_finish_decl): Only consider auto for vars.

2022-04-29  Marek Polacek  <polacek@redhat.com>

        PR c++/67048
        * parser.cc (cp_parser_enum_specifier): Warn about empty unnamed enum
        only when it's followed by a semicolon.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/80351
        * decl.cc (cp_finish_decl): Check completeness of deduced type.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/102987
        * error.cc (dump_decl) [USING_DECL]: Respect flags.

2022-04-29  Jason Merrill  <jason@redhat.com>

        * error.cc (dump_decl): Check TFF_UNQUALIFIED_NAME.

2022-04-29  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104319
        * parser.cc (cp_parser_template_argument): Treat >= like C++98 >>
        after a type id by setting maybe_type_id and aborting tentative
        parse.
        (cp_parser_enclosed_template_argument_list): Handle
        CPP_GREATER_EQ like misspelled CPP_GREATER CPP_RQ and
        CPP_RSHIFT_EQ like misspelled CPP_GREATER CPP_GREATER_EQ
        or CPP_RSHIFT CPP_EQ or CPP_GREATER CPP_GREATER CPP_EQ.
        (cp_parser_next_token_ends_template_argument_p): Return true
        also for CPP_GREATER_EQ and CPP_RSHIFT_EQ.

2022-04-29  Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/105426
        * coroutines.cc (register_local_var_uses): Allow promotion of unnamed
        temporaries to coroutine frame copies.

2022-04-29  Jason Merrill  <jason@redhat.com>

        * semantics.cc (check_trait_type): Don't check completeness
        of element type of array of unknown bound.

2022-04-29  Jason Merrill  <jason@redhat.com>

        PR c++/102651
        PR c++/49387
        * rtti.cc (get_tinfo_decl_direct): Don't complete_type.
        (emit_tinfo_decl): Update tdesc type if needed.

2022-04-29  Zhao Wei Liew  <zhaoweiliew@gmail.com>

        PR c++/25689
        * call.cc (extract_call_expr): Return a NULL_TREE on failure
        instead of asserting.
        (build_new_method_call): Suppress -Wparentheses diagnostic for
        MODIFY_EXPR.
        * semantics.cc (is_assignment_op_expr_p): Add function to check
        if an expression is a call to an op= operator expression.
        (maybe_convert_cond): Handle the case of a op= operator expression
        for the -Wparentheses diagnostic.

2022-04-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/105425
        * pt.cc (unify) <case TEMPLATE_PARM_INDEX>: Treat
        DEPENDENT_OPERATOR_TYPE like an empty type.

2022-04-28  Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/104051
        * coroutines.cc (coro_diagnose_throwing_final_aw_expr): Handle
        non-target expression inputs.

2022-04-28  Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/105301
        * coroutines.cc (coro_promise_type_found_p): Account for possible
        mutliple overloads of the promise return_value() method.

2022-04-28  Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/105287
        * coroutines.cc (maybe_promote_temps): Ensure generated temporaries
        are added to the bind expr.
        (add_var_to_bind): Fix local var naming to use portable punctuation.
        (register_local_var_uses): Do not add synthetic names to unnamed
        temporaries.

2022-04-28  Nathan Sidwell  <nathan@acm.org>
            Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/103868
        * coroutines.cc (finish_co_await_expr): Do not process non-dependent
        coroutine expressions at template definition time.
        (finish_co_yield_expr): Likewise.
        (finish_co_return_stmt): Likewise.

2022-04-28  Marek Polacek  <polacek@redhat.com>

        PR c++/90107
        * parser.cc (cp_parser_class_specifier_1): Accept :: after a class
        definition.

2022-04-27  Jason Merrill  <jason@redhat.com>

        * tree.cc (strip_typedefs): Add default argument comments.

2022-04-27  Marek Polacek  <polacek@redhat.com>

        PR c++/105398
        * pt.cc (uses_template_parms): Return false for any NAMESPACE_DECL.

2022-04-26  Jason Merrill  <jason@redhat.com>

        PR c++/102629
        * pt.cc (gen_elem_of_pack_expansion_instantiation): Clear
        TEMPLATE_TYPE_PARAMETER_PACK on auto.

2022-04-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/105386
        * semantics.cc (finish_decltype_type): Pass tf_decltype to
        instantiate_non_dependent_expr_sfinae.

2022-04-26  Jason Merrill  <jason@redhat.com>

        PR c++/104624
        * pt.cc (check_for_bare_parameter_packs): Check for lambda
        function parameter pack.

2022-04-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/105289
        PR c++/86193
        * pt.cc (process_partial_specialization): Downgrade "partial
        specialization isn't more specialized" diagnostic from permerror
        to an on-by-default pedwarn.
        (unify) <case TEMPLATE_PARM_INDEX>: When substituting into the
        NTTP type a second time, use the original type not the
        substituted type.

2022-04-25  Marek Polacek  <polacek@redhat.com>

        PR c++/105353
        * typeck.cc (build_x_shufflevector): Use
        instantiation_dependent_expression_p except for the first two
        arguments.

2022-04-21  Marek Polacek  <polacek@redhat.com>

        * constexpr.cc (cxx_eval_logical_expression): Remove unused
        parameter.
        (cxx_eval_constant_expression) <case TRUTH_ANDIF_EXPR>,
        <case TRUTH_OR_EXPR>: Adjust calls to cxx_eval_logical_expression.

2022-04-21  Marek Polacek  <polacek@redhat.com>

        PR c++/105321
        * constexpr.cc (cxx_eval_logical_expression): Always pass false for lval
        to cxx_eval_constant_expression.

2022-04-20  Ed Catmur  <ed@catmur.uk>

        PR c++/104996
        * call.cc (compare_ics): When comparing list-initialization
        sequences, do not return early.

2022-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105256
        * typeck2.cc (process_init_constructor_array,
        process_init_constructor_record, process_init_constructor_union): Move
        CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag from CONSTRUCTOR elements to the
        containing CONSTRUCTOR.

2022-04-15  Marek Polacek  <polacek@redhat.com>

        PR c++/105268
        * parser.cc (cp_parser_placeholder_type_specifier): Return
        error_mark_node when trying to build up a constrained parameter in
        a default argument.

2022-04-15  Jason Merrill  <jason@redhat.com>

        PR c++/102804
        * decl.cc (grokdeclarator): Drop typedef used with 'unsigned'.

2022-04-15  Jason Merrill  <jason@redhat.com>

        PR c++/102987
        * error.cc (dump_expr): Handle USING_DECL.
        [VIEW_CONVERT_EXPR]: Just look through location wrapper.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/104646
        * constexpr.cc (maybe_save_constexpr_fundef): Don't do extra
        checks for defaulted ctors.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/82980
        * lambda.cc (type_deducible_expression_p): New.
        (lambda_capture_field_type): Check it.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/65211
        * pt.cc (tsubst_decl) [TYPE_DECL]: Copy TYPE_ALIGN.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/97219
        * name-lookup.cc (dependent_local_decl_p): New.
        * cp-tree.h (dependent_local_decl_p): Declare.
        * semantics.cc (finish_call_expr): Use it.
        * pt.cc (tsubst_arg_types): Also substitute default args
        for local externs.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/101698
        * pt.cc (tsubst_baselink): Also check dependent optype.

2022-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/101442
        * decl.cc (cp_finish_decl): Don't pass decl to push_cleanup.
        * init.cc (perform_member_init): Likewise.
        * semantics.cc (push_cleanup): Adjust comment.

2022-04-13  Jason Merrill  <jason@redhat.com>

        PR c++/105245
        PR c++/100111
        * constexpr.cc (cxx_eval_store_expression): Build a CONSTRUCTOR
        as needed in empty base handling.

2022-04-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105233
        * decl2.cc (cp_check_const_attributes): For aligned attribute
        pass manifestly_const_eval=true to fold_non_dependent_expr.

2022-04-13  Marek Polacek  <polacek@redhat.com>

        PR c++/97296
        * call.cc (direct_reference_binding): strip_top_quals when creating
        a ck_qual.

2022-04-12  Jason Merrill  <jason@redhat.com>

        PR c++/104669
        * decl.cc (decls_match): Compare versions even if not recording.
        (duplicate_decls): Propagate attributes to alias.
        * decl2.cc (find_last_decl): Give up if versioned.

2022-04-12  Jason Merrill  <jason@redhat.com>

        PR c++/102071
        * init.cc (build_new_1): Check array_p for alignment.

2022-04-12  Patrick Palka  <ppalka@redhat.com>

        PR c++/103105
        * pt.cc (build_extra_args): Call preserve_args.

2022-04-12  Jason Merrill  <jason@redhat.com>

        PR c++/104142
        * decl.cc (check_initializer): Check TREE_SIDE_EFFECTS.

2022-04-12  Jason Merrill  <jason@redhat.com>

        PR c++/105223
        PR c++/92918
        * class.cc (finish_struct): Always using op=.

2022-04-11  Jason Merrill  <jason@redhat.com>

        PR c++/98249
        * call.cc (build_operator_new_call): Just look in ::.

2022-04-11  Alexandre Oliva  <oliva@adacore.com>

        * constexpr.cc (cxx_eval_call_expression): Disregard dtor
        result.

2022-04-11  Alexandre Oliva  <oliva@adacore.com>

        * semantics.cc (set_cleanup_locs): Propagate locus to call
        wrapped in cast-to-void.

2022-04-11  Jason Merrill  <jason@redhat.com>

        PR c++/100370
        * init.cc (warn_placement_new_too_small): Check deref.

2022-04-09  Jason Merrill  <jason@redhat.com>

        PR c++/105191
        PR c++/92385
        * tree.cc (build_vec_init_elt): Do {}-init for aggregates.
        * constexpr.cc (cxx_eval_vec_init): Only treat {} as value-init
        for non-aggregate types.
        (build_vec_init_expr): Also check constancy of explicit
        initializer elements.

2022-04-09  Jason Merrill  <jason@redhat.com>

        PR c++/91618
        PR c++/96604
        * name-lookup.cc (set_decl_namespace): Set
        DECL_IMPLICIT_INSTANTIATION if no non-template match.
        * pt.cc (check_explicit_specialization): Check it.
        * decl2.cc (check_classfn): Call it.

2022-04-07  Patrick Palka  <ppalka@redhat.com>

        PR c++/99479
        * name-lookup.cc (name_lookup::using_queue): Change to an
        auto_vec (with 16 elements of internal storage).
        (name_lookup::queue_namespace): Change return type to void,
        take queue parameter by reference and adjust function body
        accordingly.
        (name_lookup::do_queue_usings): Inline into ...
        (name_lookup::queue_usings): ... here.  As in queue_namespace.
        (name_lookup::search_unqualified): Don't make queue static,
        remove length variable, and adjust function body accordingly.

2022-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/102586
        * cp-objcp-common.h (cp_classtype_as_base): Declare.
        (LANG_HOOKS_CLASSTYPE_AS_BASE): Redefine.
        * cp-objcp-common.cc (cp_classtype_as_base): New function.

2022-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/101051
        * decl.cc (grokdeclarator): Reject conversion with trailing return
        sooner.

2022-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/101717
        * lambda.cc (lambda_expr_this_capture): Check all enclosing
        lambdas for completeness.

2022-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/105187
        * typeck2.cc (store_init_value): Allow TREE_HAS_CONSTRUCTOR for
        vectors.

2022-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104668
        * decl2.cc (splice_template_attributes): Return NULL if *p is
        error_mark_node.
        (cplus_decl_attributes): Return early if attributes is
        error_mark_node.  Don't check that later.

2022-04-06  Patrick Palka  <ppalka@redhat.com>

        PR c++/105143
        * pt.cc (do_class_deduction): Check complain before attempting
        to issue a -Wctad-maybe-unsupported warning.

2022-04-06  Jason Merrill  <jason@redhat.com>

        PR c++/104702
        * init.cc (build_vec_init): Use a reference for the result.

2022-04-06  Jason Merrill  <jason@redhat.com>

        PR c++/100608
        * name-lookup.cc (check_local_shadow): Use -Wshadow=local
        if exactly one of 'old' and 'decl' is a type.

2022-04-05  Jason Merrill  <jason@redhat.com>

        PR c++/103852
        DR 1286
        * pt.cc (do_class_deduction): Pedwarn for renaming alias in C++17.

2022-04-05  Jason Merrill  <jason@redhat.com>

        PR c++/101677
        * name-lookup.h (struct cp_binding_level): Add requires_expression
        bit-field.
        * parser.cc (cp_parser_requires_expression): Set it.
        (synthesize_implicit_template_parm): Check it.

2022-04-04  Jason Merrill  <jason@redhat.com>

        PR c++/101894
        * decl.cc (duplicate_decls): Copy DECL_FRIEND_CONTEXT.

2022-04-04  Jason Merrill  <jason@redhat.com>

        PR c++/103852
        DR 1286
        * pt.cc (get_underlying_template): Compare default template args.

2022-04-03  Benno Evers  <benno.evers@tenzir.com>
            Iain Sandoe  <iain@sandoe.co.uk>

        PR c++/103328
        * coroutines.cc (morph_fn_to_coro): Reset
        current_binding_level->blocks.

2022-04-01  Jason Merrill  <jason@redhat.com>

        Revert:
        2022-03-31  Jason Merrill  <jason@redhat.com>

        PR c++/96645
        * parser.cc (cp_parser_early_parsing_nsdmi): New.
        (cp_parser_member_declaration): Call it.

2022-04-01  Jason Merrill  <jason@redhat.com>

        Revert:
        2022-03-24  Jason Merrill  <jason@redhat.com>

        PR c++/96645
        * cp-tree.h (type_has_default_ctor_to_be_synthesized): Declare.
        * class.cc (type_has_default_ctor_to_be_synthesized): New.
        (type_has_non_user_provided_default_constructor_1): Support it.
        (type_has_non_user_provided_default_constructor): Now a wrapper.
        * method.cc (complain_about_unparsed_dmi): New.
        (constructible_expr): Call it.

2022-04-01  Patrick Palka  <ppalka@redhat.com>

        PR c++/105110
        * pt.cc (unify) <case TEMPLATE_PARM_INDEX>: Drop cv-quals from
        the argument type of an NTTP before deducing from it.

2022-03-31  Jason Merrill  <jason@redhat.com>

        PR c++/96645
        * parser.cc (cp_parser_early_parsing_nsdmi): New.
        (cp_parser_member_declaration): Call it.

2022-03-30  Patrick Palka  <ppalka@redhat.com>

        PR c++/100474
        * constraint.cc (diagnose_trait_expr): Handle all remaining
        traits appropriately.  Remove default case.

2022-03-30  Marek Polacek  <polacek@redhat.com>

        PR c++/93280
        PR c++/104583
        * init.cc (get_nsdmi): Set TARGET_EXPR_DIRECT_INIT_P to in_ctor.

2022-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105092
        * pt.cc (tsubst_omp_clause_decl): When handling iterators, set
        DECL_CONTEXT of the iterator var to current_function_decl and
        call pushdecl.

2022-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/105061
        * parser.cc (cp_parser_template_introduction): If member_p, temporarily
        clear parser->colon_corrects_to_scope_p around tentative parsing of
        nested name specifier.

2022-03-28  Jason Merrill  <jason@redhat.com>

        * pt.cc (determine_specialization): Add comment.

2022-03-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/105067
        * pt.cc (finish_concept_definition): Check that a concept is
        declared with exactly one template parameter list.

2022-03-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/105064
        * constraint.cc (maybe_substitute_reqs_for): Don't assume
        DECL_TEMPLATE_INFO is available.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/105003
        PR c++/104008
        PR c++/102869
        * pt.cc (complex_alias_template_r): walk_tree callback, replacing
        uses_all_template_parms_r, complex_pack_expansion_r.
        (complex_alias_template_p): Adjust.
        * tree.cc (strip_typedefs): Revert r12-7710 change.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/102071
        * init.cc (build_new_1): Include cookie in alignment.  Omit
        constexpr wrapper from alloc_call.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/103291
        * name-lookup.cc (push_local_extern_decl_alias): Call
        determine_visibility.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/102123
        * pt.cc (tsubst_copy): Use make_unbound_class_template for rewriting
        a type template reference.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/103968
        * pt.cc (value_dependent_expression_p): Check
        has_value_dependent_address for conversion to reference.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/103943
        * pt.cc (tsubst_qualified_id): Handle getting SCOPE_REF from
        tsubst_baselink.
        (instantiation_dependent_scope_ref_p): Check dependent_scope_p.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/102045
        * call.cc (make_base_init_ok): Call make_used.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/104847
        * mangle.cc (write_expression): Don't write a union designator when
        undigested.

2022-03-28  Jason Merrill  <jason@redhat.com>

        PR c++/99445
        PR c++/103769
        * tree.cc (strip_typedefs): Use build_distinct_type_copy.

2022-03-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/105050
        * constexpr.cc (potential_constant_expression_1) <case IF_STMT>:
        Clarify error message when a if-stmt is non-constant because its
        branches are non-constant.

2022-03-26  Patrick Palka  <ppalka@redhat.com>

        PR c++/103455
        * call.cc (add_builtin_candidate) <case MEMBER_REF>: Test
        CLASS_TYPE_P instead of MAYBE_CLASS_TYPE_P.

2022-03-26  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (cp_parser_postfix_expression)
        <case RID_BILTIN_CONVERTVECTOR, case RID_BUILTIN_BIT_CAST>: Don't
        return cp_build_{vec,convert,bit_cast} result right away, instead
        set postfix_expression to it and break.

2022-03-25  Marek Polacek  <polacek@redhat.com>

        PR c++/104944
        * typeck.cc (cxx_sizeof_or_alignof_type): Diagnose alignof(void).
        (cxx_alignas_expr): Call cxx_sizeof_or_alignof_type with
        complain == true.

2022-03-24  Marek Polacek  <polacek@redhat.com>

        PR c++/104284
        * decl.cc (check_initializer): Don't call build_aggr_init in
        a template.

2022-03-24  Jason Merrill  <jason@redhat.com>

        PR c++/96645
        * cp-tree.h (type_has_default_ctor_to_be_synthesized): Declare.
        * class.cc (type_has_default_ctor_to_be_synthesized): New.
        (type_has_non_user_provided_default_constructor_1): Support it.
        (type_has_non_user_provided_default_constructor): Now a wrapper.
        * method.cc (complain_about_unparsed_dmi): New.
        (constructible_expr): Call it.

2022-03-24  Marek Polacek  <polacek@redhat.com>

        PR c++/102990
        * typeck2.cc (massage_init_elt): Avoid folding CONSTRUCTORs.

2022-03-24  Patrick Palka  <ppalka@redhat.com>

        PR c++/104620
        * call.cc (build_over_call): Use cxx_constant_value_sfinae
        instead of cxx_constant_value to evaluate a consteval call.
        * constexpr.cc (cxx_constant_value_sfinae): Add decl parameter
        and pass it to cxx_eval_outermost_constant_expr.
        * cp-tree.h (cxx_constant_value_sfinae): Add decl parameter.
        * pt.cc (fold_targs_r): Pass NULL_TREE as decl parameter to
        cxx_constant_value_sfinae.

2022-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104994
        * constexpr.cc (cxx_eval_constant_expression): Don't diagnose passing
        through extern thread_local declarations.  Change wording from
        declaration to definition.
        (potential_constant_expression_1): Don't diagnose extern thread_local
        declarations.  Change wording from declared to defined.
        * decl.cc (start_decl): Likewise.

2022-03-23  Jason Merrill  <jason@redhat.com>

        PR c++/103337
        * decl.cc (reshape_single_init): New.
        (reshape_init_class): Use it.

2022-03-23  Jason Merrill  <jason@redhat.com>

        PR c++/105006
        * name-lookup.cc (lookup_using_decl): Check that scope is
        a dependent type before looking for dependent using.

2022-03-23  Jason Merrill  <jason@redhat.com>

        PR c++/105006
        * name-lookup.cc (lookup_using_decl): Set DECL_DEPENDENT_P if lookup
        finds a dependent using.

2022-03-21  Jason Merrill  <jason@redhat.com>

        PR c++/58646
        * init.cc (build_vec_init): Check for vla element type.

2022-03-21  Jason Merrill  <jason@redhat.com>

        PR c++/103337
        PR c++/102740
        PR c++/103299
        PR c++/102538
        * decl.cc (reshape_init_class): Avoid looking for designator
        after we found it.
        (reshape_init_r): Keep looking for designator.

2022-03-21  Jason Merrill  <jason@redhat.com>

        PR c++/101767
        * decl.cc (reshape_init_class): Back out of anon struct
        if a designator doesn't match.

2022-03-18  Jason Merrill  <jason@redhat.com>

        PR c++/92918
        PR c++/104476
        * class.cc (add_method): Avoid adding the same used function twice.
        (handle_using_decl): Don't add_method.
        (finish_struct): Don't using op= if we have one already.
        (maybe_push_used_methods): New.
        * semantics.cc (finish_member_declaration): Call it.
        * name-lookup.cc (diagnose_name_conflict): No longer static.
        (push_class_level_binding): Revert 92918 patch, limit
        to dependent using.
        * cp-tree.h: Adjust.

2022-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104568
        * init.cc (build_new_constexpr_heap_type): Remove FULL_SIZE
        argument and its handling, instead add ITYPE2 argument.  Only
        support COOKIE_SIZE != NULL.
        (build_new_1): If size is 0, change it to 0 * outer_nelts if
        outer_nelts is non-NULL.  Pass type rather than elt_type to
        maybe_wrap_new_for_constexpr.
        * constexpr.cc (build_new_constexpr_heap_type): New function.
        (cxx_eval_constant_expression) <case CONVERT_EXPR>:
        If elt_size is zero sized type, try to recover outer_nelts from
        the size argument to operator new/new[] and pass that as
        arg_size to build_new_constexpr_heap_type.  Pass ctx,
        non_constant_p and overflow_p to that call too.

2022-03-18  Marek Polacek  <polacek@redhat.com>

        PR c++/104008
        * tree.cc (strip_typedefs): Don't strip an alias template when
        doing so would result in losing a parameter pack.

2022-03-16  Patrick Palka  <ppalka@redhat.com>

        * search.cc (lookup_member): Simplify by handling all values
        of protect together in the ambiguous case.  Don't modify protect.

2022-03-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/96780
        * cp-gimplify.cc (cp_fold) <case CALL_EXPR>: Fold calls to
        std::move/forward and other cast-like functions into simple
        casts.

2022-03-15  Patrick Palka  <ppalka@redhat.com>

        PR c++/103177
        * search.cc (lookup_field_info::errstr): Remove this data
        member.
        (lookup_field_r): Don't set errstr.
        (lookup_member): Check ambiguity before checking access.
        Simplify accordingly after errstr removal.  Exit early upon
        error or empty result.

2022-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104623
        * parser.cc (cp_parser_skip_to_pragma_eol): Don't purge any tokens.

2022-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/102586
        * call.cc (build_cxx_call): Diagnose __builtin_clear_padding where
        first argument's type is pointer to non-trivially-copyable type unless
        it is address of a variable or parameter.

2022-03-12  Patrick Palka  <ppalka@redhat.com>

        PR c++/104641
        * cp-tree.h (tsubst_flags::tf_tst_ok): New flag.
        * decl.cc (make_typename_type): Allow a typename-specifier to
        resolve to a template when tf_tst_ok, in which case return
        a CTAD placeholder for the template.
        * pt.cc (tsubst_decl) <case VAR_DECL>: Set tf_tst_ok when
        substituting the type.
        (tsubst): Clear tf_tst_ok and remember if it was set.
        <case TYPENAME_TYPE>: Pass tf_tst_ok to make_typename_type
        appropriately.
        (tsubst_copy) <case CAST_EXPR>: Set tf_tst_ok when substituting
        the type.
        (tsubst_copy_and_build) <case CAST_EXPR>: Likewise.
        <case CONSTRUCTOR>: Likewise.

2022-03-12  Patrick Palka  <ppalka@redhat.com>

        PR c++/104622
        * call.cc (missing_conversion_p): Define.
        (add_candidates): Use it.
        * pt.cc (check_non_deducible_conversion): Change type of strict
        parameter to unification_kind_t and directly test for DEDUCE_CALL.

2022-03-12  Patrick Palka  <ppalka@redhat.com>

        PR c++/104527
        * constraint.cc (normalize_atom): Set
        ATOMIC_CONSTR_EXPR_FROM_CONCEPT_P appropriately.
        (get_mapped_args):  Make static, adjust parameters.  Always
        return a vector whose depth corresponds to the template depth of
        the context of the atomic constraint expression.  Micro-optimize
        by passing false as exact to safe_grow_cleared and by collapsing
        a multi-level depth-one argument vector.
        (satisfy_atom): Adjust call to get_mapped_args and
        diagnose_atomic_constraint.
        (diagnose_atomic_constraint): Replace map parameter with an args
        parameter.
        * cp-tree.h (ATOMIC_CONSTR_EXPR_FROM_CONCEPT_P): Define.
        (get_mapped_args): Remove declaration.

2022-03-12  Patrick Palka  <ppalka@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/98644
        * constexpr.cc (mark_non_constant): Define, split out from ...
        (cxx_eval_outermost_constant_expr): ... here.
        (maybe_constant_value): Use it.

2022-03-12  Patrick Palka  <ppalka@redhat.com>

        * semantics.cc (finish_unary_fold_expr): Use input_location
        instead of UNKNOWN_LOCATION.
        (finish_binary_fold_expr): Likewise.

2022-03-12  Thomas Schwinge  <thomas@codesourcery.com>

        PR other/65095
        * semantics.cc (handle_omp_array_sections_1)
        (cp_oacc_check_attachments): Call 'user_omp_clause_code_name'
        instead of 'c_omp_map_clause_name'.

2022-03-10  Marek Polacek  <polacek@redhat.com>

        PR c++/104608
        * parser.cc (cp_parser_template_name): Repeat lookup of
        TYPE_DECLs.

2022-03-10  Marek Polacek  <polacek@redhat.com>

        PR c++/104752
        * semantics.cc (finish_compound_literal): Disallow auto{x} for
        is_constrained_auto.
        * typeck2.cc (build_functional_cast_1): Likewise.

2022-03-10  Marek Polacek  <polacek@redhat.com>

        PR c++/104846
        * decl.cc (grokdeclarator): Check FUNC_OR_METHOD_TYPE_P before giving
        data member errors.

2022-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/103460
        * decl.cc (grok_op_properties): Allow variadic operator[] for
        C++23.

2022-03-10  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/95999
        * decl.cc (finish_enum_value_list): If VALUE isn't an INTEGER_CST
        consider it to be zero (i.e. treat it like error_mark_node).
        (build_enumerator): Likewise, if PREV_VALUE isn't an INTEGER_CST,
        set VALUE to error_mark_node.

2022-03-10  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/39751
        * parser.cc (cp_parser_late_parsing_for_member): Confirm the token
        stream hasn't been purged before processing DECL_PENDING_INLINE.

2022-03-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/104823
        * except.cc (build_noexcept_spec): Strengthen dependence check
        to instantiation_dependent_expression_p.
        * parser.cc (cp_parser_parenthesized_expression_list_elt):
        Remove fold_expr_p parameter, and don't call
        instantiate_non_dependent_expr.
        (cp_parser_parenthesized_expression_list): Adjust accordingly.
        * pt.cc (expand_integer_pack): Strengthen dependence check
        to instantiation_dependent_expression_p.
        (instantiate_non_dependent_expr_internal): Adjust comment.
        (instantiate_non_dependent_expr_sfinae): Likewise.  Drop
        the potentially-constant check, and relax and turn the
        dependence check into a checking assert.
        (instantiate_non_dependent_or_null): Adjust comment.
        * semantics.cc (finish_decltype_type): Keep
        processing_template_decl cleared after calling
        instantiate_non_dependent_expr_sfinae.

2022-03-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/102137
        PR c++/87820
        * cp-tree.h (is_copy_initialization): Declare.
        * decl.cc (cp_finish_decl): Set LOOKUP_ONLYCONVERTING
        when is_copy_initialization is true.
        * init.cc (build_aggr_init): Split out copy-initialization
        check into ...
        (is_copy_initialization): ... here.
        * pt.cc (instantiate_decl): Pass 0 instead of
        LOOKUP_ONLYCONVERTING as flags to cp_finish_decl.

2022-03-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/65396
        * cp-tree.h (merge_default_template_args): Declare.
        * decl.cc (merge_default_template_args): Define, factored out
        from redeclare_class_template.
        (duplicate_decls): Use it when merging member function template
        and free function declarations.
        * pt.cc (redeclare_class_template): Factor out default argument
        merging logic into merge_default_template_args.  Improve location
        of a note when there's a template parameter kind mismatch.

2022-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR c/104711
        * constexpr.cc (cxx_eval_check_shift_p): Use TYPE_OVERFLOW_WRAPS
        instead of TYPE_UNSIGNED.
        * typeck.cc (cp_build_binary_op): Don't emit
        -Wshift-negative-value warning if TYPE_OVERFLOW_WRAPS.

2022-03-08  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/96440
        * decl.cc (start_decl): Defend against prefix_attributes being
        error_mark_node.

2022-03-08  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/96437
        * parser.cc (synthesize_implicit_template_parm): Check that
        TREE_VALUE (new_parm) isn't error_mark_node before setting its
        DECL_VIRTUAL_P.

2022-03-08  Roger Sayle  <roger@nextmovesoftware.com>

        PR c++/96329
        * parser.cc (cp_parser_linkage_specification): Treat the case where
        linkage is error_mark_node as "invalid linkage-specification".

2022-03-08  Marek Polacek  <polacek@redhat.com>

        PR c++/104108
        * pt.cc (convert_nontype_argument): Recompute
        value_dependent_expression_p after build_converted_constant_expr.

2022-03-08  Marek Polacek  <polacek@redhat.com>

        * decl2.cc (is_late_template_attribute): Do not defer attribute
        unavailable.
        * pt.cc (tsubst_enum): Set TREE_UNAVAILABLE.

2022-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104806
        * search.cc (lookup_field_fuzzy_info::fuzzy_lookup_field): Ignore
        identifiers with space at the end.

2022-03-07  Jason Merrill  <jason@redhat.com>

        PR c++/104618
        * decl2.cc (mark_single_function): Look through parens and location
        wrapper.
        * typeck.cc (cp_build_addr_expr_1): Not here.

2022-03-07  Jakub Jelinek  <jakub@redhat.com>

        * parser.cc (cp_parser_omp_clause_map): Add missing space in string
        literal.

2022-03-07  Jakub Jelinek  <jakub@redhat.com>

        * cvt.cc: Fix up duplicated word issue in a comment.
        * pt.cc: Likewise.
        * module.cc: Likewise.
        * coroutines.cc: Likewise.

2022-03-04  Nathan Sidwell  <nathan@acm.org>

        * mangle.cc (is_std_substitution): Check global module.
        (is_std_substitution_char): Return bool.

2022-03-04  Nathan Sidwell  <nathan@acm.org>

        * cp-tree.h (mangle_identifier): Replace with ...
        (mangle_module_component): ... this.
        * mangle.cc (dump_substitution_candidates): Adjust.
        (add_substitution): Likewise.
        (find_substitution): Likewise.
        (unmangled_name_p): Likewise.
        (mangle_module_substitution): Reimplement.
        (mangle_module_component): New.
        (write_module, maybe_write_module): Adjust.
        (write_name): Drop modules here.
        (write_unqualified): Do them here instead.
        (mangle_global_init): Adjust.
        * module.cc (module_state::mangle): Adjust.
        (mangle_module): Likewise.
        (get_originating_module): Adjust.

2022-02-28  Marek Polacek  <polacek@redhat.com>

        PR c++/104682
        * cp-tree.h (build_enumerator): Adjust.
        * decl.cc (finish_enum): Make it return the new decl.
        * pt.cc (tsubst_enum): Propagate TREE_DEPRECATED and TREE_UNAVAILABLE.

2022-02-28  Marek Polacek  <polacek@redhat.com>

        PR c++/104667
        * decl2.cc (is_late_template_attribute): Cope with a decl without
        a type.

2022-02-27  Jason Merrill  <jason@redhat.com>

        PR c++/104618
        * typeck.cc (cp_build_addr_expr_1): Also
        maybe_undo_parenthesized_ref.

2022-02-24  Martin Liska  <mliska@suse.cz>

        * pt.cc (defarg_insts_for): Use braces for subobject.

2022-02-18  Patrick Palka  <ppalka@redhat.com>

        PR c++/94944
        * pt.cc (maybe_instantiate_noexcept): For non-static member
        functions, set current_class_ptr/ref to the specialized 'this'
        instead.

2022-02-17  Jason Merrill  <jason@redhat.com>

        PR c++/104539
        * pt.cc (mark_decl_instantiated): Don't clear DECL_COMDAT.

2022-02-17  Jason Merrill  <jason@redhat.com>

        PR c++/90451
        * decl2.cc (mark_single_function): New.
        * cp-tree.h: Declare it.
        * typeck.cc (cp_build_addr_expr_1): mark_used when making a PMF.
        * semantics.cc (finish_qualified_id_expr): Not here.
        (finish_id_expression_1): Or here.
        (finish_decltype_type): Call mark_single_function.
        * cvt.cc (convert_to_void): And here.
        * pt.cc (convert_nontype_argument): And here.
        * init.cc (build_offset_ref): Adjust assert.

2022-02-17  Patrick Palka  <ppalka@redhat.com>

        PR c++/104565
        * semantics.cc (finish_compound_literal): Don't perform
        non-dependent expr folding before calling check_narrowing.

2022-02-16  Patrick Palka  <ppalka@redhat.com>

        PR c++/104507
        * constexpr.cc (potential_constant_expression_1)
        <case NON_DEPENDENT_EXPR>: Return false instead of recursing.
        Assert tf_error isn't set.

2022-02-15  Jason Merrill  <jason@redhat.com>

        PR c++/104107
        PR c++/95036
        * pt.cc (coerce_template_template_parms): Take full parms.
        Avoid adding too much of outer_args.
        (coerce_template_template_parm): Adjust.
        (template_template_parm_bindings_ok_p): Adjust.
        (convert_template_argument): Adjust.

2022-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104513
        * constexpr.cc (potential_constant_expression_1) <case GOTO_EXPR>:
        Don't punt if returns (target).

2022-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104472
        * constexpr.cc (cxx_eval_internal_function) <case IFN_VEC_CONVERT>:
        Only return fold_const_call result if it is non-NULL.  Otherwise
        fall through into the default: case to return t, set *non_constant_p
        and emit diagnostics if needed.

2022-02-10  Jason Merrill  <jason@redhat.com>

        * module.cc (depset::hash::add_specializations): Use
        STRIP_TEMPLATE.

2022-02-10  Tobias Burnus  <tobias@codesourcery.com>

        PR c++/102204
        * decl2.cc (cp_omp_mappable_type_1): Remove check for virtual
        members as those are permitted since OpenMP 5.0.

2022-02-10  Patrick Palka  <ppalka@redhat.com>

        * pt.cc (filter_memfn_lookup): Handle dependent USING_DECL
        better.

2022-02-10  Marcel Vollweiler  <marcel@codesourcery.com>

        * parser.cc (cp_parser_omp_clause_name): Parse 'has_device_addr' clause.
        (cp_parser_omp_var_list_no_open): Handle array sections.
        (cp_parser_omp_all_clauses): Added PRAGMA_OMP_CLAUSE_HAS_DEVICE_ADDR
        case.
        (cp_parser_omp_target_update): Added HAS_DEVICE_ADDR to OMP_CLAUSE_MASK.
        * semantics.cc (handle_omp_array_sections): Handle clause restrictions.
        (finish_omp_clauses): Handle array sections.

2022-02-09  Patrick Palka  <ppalka@redhat.com>

        PR c++/104432
        * call.cc (build_new_method_call): When a non-dependent call
        resolves to a specialization of a member template, always build
        the pruned overload set using the member template, not the
        specialization.
        * pt.cc (filter_memfn_lookup): New parameter newtype.  Simplify
        and correct how members from the new lookup set are matched to
        those from the old one.
        (tsubst_baselink): Pass binfo_type as newtype to
        filter_memfn_lookup.

2022-02-09  Jason Merrill  <jason@redhat.com>

        PR c++/103752
        * module.cc (trees_out::core_vals): Stream explicit specifier.
        (trees_in::core_vals): Likewise.
        * pt.cc (store_explicit_specifier): No longer static.
        (tsubst_function_decl): Clear DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P.
        * cp-tree.h (lookup_explicit_specifier): Declare.

2022-02-09  Jason Merrill  <jason@redhat.com>

        PR c++/96876
        * typeck2.cc (split_nonconstant_init_1): Push cleanups for
        preceding members with constant initialization.
        (maybe_push_temp_cleanup): Do nothing if -fno-exceptions.

2022-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104379
        * name-lookup.cc (check_local_shadow): When diagnosing shadowing
        of a member or global declaration, add warning suppression for
        the decl and don't warn again on it.

2022-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104403
        * constexpr.cc (cxx_eval_constant_expression): Don't assert DECL_EXPRs
        of TREE_STATIC vars may only appear in -std=c++23.

2022-02-08  Patrick Palka  <ppalka@redhat.com>

        PR c++/80951
        * pt.cc (uses_deducible_template_parms): Consider the
        noexcept-spec of a function type.

2022-02-08  Patrick Palka  <ppalka@redhat.com>

        PR c++/104410
        * constraint.cc (satisfaction_value): Relax assert to accept
        cv-qualified bool.

2022-02-08  Patrick Palka  <ppalka@redhat.com>

        PR c++/103706
        * pt.cc (preserve_args): New function.
        (tsubst_lambda_expr): Use it when setting LAMBDA_EXPR_REGEN_INFO.

2022-02-08  Patrick Palka  <ppalka@redhat.com>

        PR c++/103706
        * constraint.cc (satisfy_declaration_constraints): Use
        lambda_regenerating_args instead.
        * cp-tree.h (lambda_regenerating_args): Declare.
        * pt.cc (lambda_regenerating_args): Define, split out from
        satisfy_declaration_constraints.
        (do_auto_deduction): Use lambda_regenerating_args to obtain the
        full set of outer template arguments for satisfaction when
        inside a lambda.

2022-02-06  Patrick Palka  <ppalka@redhat.com>

        PR c++/96242
        * decl2.cc (mark_used): Directly synthesize a DECL_MAYBE_DELETED
        fn by calling maybe_synthesize_method instead of relying on
        maybe_instantiate_noexcept.  Move call to m_i_n after the
        DECL_DELETED_FN handling.
        * pt.cc (maybe_instantiate_noexcept): Restrict DECL_MAYBE_DELETED
        fn synthesis to only those with an implicit noexcept-spec, and
        return !DECL_DELETED_FN instead of !DECL_MAYBE_DELETED afterwards.

2022-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/89074
        PR c++/104033
        * constexpr.cc (cxx_eval_binary_expression): Temporarily set
        folding_cxx_constexpr.

2022-02-05  Jason Merrill  <jason@redhat.com>

        PR c++/104300
        PR c++/92385
        * cp-tree.h (get_vec_init_expr): New.
        (target_expr_needs_replace): New.
        * cp-gimplify.cc (cp_gimplify_init_expr): Use it.
        (struct cp_fold_data): New.
        (cp_fold_r): Only genericize inits at end of fn.
        (cp_fold_function): Here.
        (cp_fully_fold_init): Not here.
        * init.cc (build_vec_init): Use get_vec_init_expr.
        * tree.cc (build_vec_init_expr): Likewise.
        * typeck2.cc (split_nonconstant_init_1): Likewise.
        (process_init_constructor): Wrap VEC_INIT_EXPR in
        TARGET_EXPR.

2022-02-05  Jason Merrill  <jason@redhat.com>

        * pt.cc (iterative_hash_template_arg): Add comment.

2022-02-03  Patrick Palka  <ppalka@redhat.com>

        PR c++/104079
        * pt.cc (value_dependent_noexcept_spec_p): New predicate split
        out from ...
        (dependent_type_p_r): ... here.
        (instantiation_dependent_r): Use value_dependent_noexcept_spec_p
        to consider dependence of a noexcept-spec before C++17.
        * tree.cc (fixup_deferred_exception_variants): Clear
        TYPE_DEPENDENT_P_VALID.

2022-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/104302
        * decl.cc (maybe_deduce_size_from_array_init): Give up
        on type-dependent init.
        (cp_complete_array_type): Only call reshape_init for character
        array.

2022-02-01  Jason Merrill  <jason@redhat.com>

        PR c++/103186
        * pt.cc (defarg_inst): Use tree_vec_map_cache_hasher.
        (defarg_insts_for): New.
        (tsubst_default_argument): Adjust.

2022-01-31  Marek Polacek  <polacek@redhat.com>

        PR c++/102414
        PR c++/101874
        * decl.cc (create_array_type_for_decl): Use template_placeholder_p.
        Sorry on a variable-length array of auto.

2022-01-31  Marek Polacek  <polacek@redhat.com>

        PR c++/102434
        * class.cc (finish_struct): Don't allow union initializer_list.

2022-01-31  Patrick Palka  <ppalka@redhat.com>

        PR c++/104294
        * pt.cc (ctor_deduction_guides_for): Correct computation of
        outer_args.

2022-01-31  Patrick Palka  <ppalka@redhat.com>

        PR c++/104291
        * pt.cc (for_each_template_parm_r) <case CONSTRUCTOR>: Clear
        walk_subtrees if !include_nondeduced_p.  Simplify given that
        cp_walk_subtrees already walks TYPE_PTRMEMFUNC_FN_TYPE_RAW.

2022-01-28  Patrick Palka  <ppalka@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/92752
        * typeck.cc (build_ptrmemfunc): Cast a nullptr constant to the
        unqualified pointer type not the qualified one.

2022-01-28  Patrick Palka  <ppalka@redhat.com>

        PR c++/103341
        * decl.cc (cp_finish_decl): Pass the template arguments of a
        variable template specialization or a templated static data
        member to do_auto_deduction when the auto is constrained.

2022-01-28  Jason Merrill  <jason@redhat.com>

        PR c++/100198
        PR c++/100030
        PR c++/100282
        * parser.cc (cp_parser_enumerator_definition): Sorry on parameter
        pack in lambda.
        (cp_parser_class_head): And in class attributes.
        * pt.cc (check_for_bare_parameter_packs): Sorry instead of error
        in lambda.

2022-01-27  Jason Merrill  <jason@redhat.com>

        PR c++/104245
        PR c++/51344
        * decl2.cc (save_template_attributes): Take late attrs as parm.
        (cplus_decl_attributes): Call it after decl_attributes,
        splice_template_attributes before.

2022-01-27  Patrick Palka  <ppalka@redhat.com>

        PR c++/99895
        * call.cc (build_over_call): For a non-dependent member call,
        build up a CALL_EXPR using a COMPONENT_REF callee, as in
        build_new_method_call.
        * pt.cc (build_non_dependent_expr): Don't wrap PARM_DECL either.
        * tree.cc (build_min_non_dep_op_overload): Adjust accordingly
        after the build_over_call change.

2022-01-27  Patrick Palka  <ppalka@redhat.com>

        PR c++/92944
        PR c++/103678
        * parser.cc (cp_parser_class_head): Update 'type' with the result
        of maybe_process_partial_specialization in the
        nested_name_specifier branch.  Refactor nearby code to accomodate
        that maybe_process_partial_specialization returns a _TYPE, not a
        TYPE_DECL, and eliminate local variable 'class_type' in passing.

2022-01-27  Marek Polacek  <polacek@redhat.com>

        PR c++/101988
        * decl.cc (create_array_type_for_decl): Reject forming an array of
        placeholder for a deduced class type.

2022-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/104206
        PR c++/101072
        * semantics.cc (finish_compound_literal): Restore VECTOR_TYPE check.

2022-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104226
        * constexpr.cc (init_subob_ctx): For vector ctors containing
        vector elements, ensure appending to the same ctor instead of
        creating another one.

2022-01-26  Marek Polacek  <polacek@redhat.com>

        PR target/104213
        * decl.cc (finish_constructor_body): Suppress -Wuse-after-free.
        (finish_destructor_body): Likewise.
        * optimize.cc (build_delete_destructor_body): Likewise.

2022-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/104235
        * parser.cc (cp_parser_template_name): Repeat lookup of USING_DECL.

2022-01-26  Jason Merrill  <jason@redhat.com>

        PR c++/103057
        * pt.cc (tsubst_aggr_type): Call tsubst for alias template
        specialization.

2022-01-25  Patrick Palka  <ppalka@redhat.com>

        PR c++/101532
        PR c++/104225
        * decl2.cc (mark_used): Don't consider maybe_instantiate_noexcept
        on a deleted function.

2022-01-25  Jason Merrill  <jason@redhat.com>

        PR c++/59950
        * call.cc (build_over_call): Use cp_build_indirect_ref.

2022-01-24  Patrick Palka  <ppalka@redhat.com>

        PR c++/104197
        * pt.cc (make_auto_1): Use -1 as a placeholder default argument
        for level.

2022-01-24  Patrick Palka  <ppalka@redhat.com>

        PR c++/104173
        * typeck.cc (build_class_member_access_expr): Extend
        unary_complex_lvalue result adjustment to preserve all
        rvalues, not just xvalues.

2022-01-23  Will Wray  <wjwray@gmail.com>

        PR c++/55227
        * decl.cc (reshape_init_r): Only call has_designator_check when
        first_initializer_p or for the inner constructor element.
        (cp_complete_array_type): Call reshape_init on braced-init-list.

2022-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/104182
        * cp-gimplify.cc (cp_genericize_target_expr): Make sure nothing
        has set DECL_INITIAL on a TARGET_EXPR slot.
        * tree.cc (is_local_temp): Don't check DECL_CONTEXT.

2022-01-23  Jason Merrill  <jason@redhat.com>

        PR c++/101072
        * cp-tree.h (build_implicit_conv_flags): Declare.
        * call.cc (build_implicit_conv_flags): Split out from...
        (perform_implicit_conversion_flags): ...here.
        * decl.cc (check_initializer): Use it.
        * pt.cc (tsubst_copy_and_build): Remove TARGET_EXPR handling.
        * semantics.cc (finish_compound_literal): Don't treat
        scalar values like CONSTRUCTORs.

2022-01-21  Jason Merrill  <jason@redhat.com>

        * semantics.cc (find_failing_clause): Return expr if not
        decomposable.
        (finish_static_assert): Show constant values in failing
        comparison.

2022-01-21  Jason Merrill  <jason@redhat.com>

        PR c++/104084
        PR c++/20040
        * init.cc (build_new_1): Only pull out TARGET_EXPR_INITIAL if
        alloc_expr is a TARGET_EXPR.

2022-01-21  Marek Polacek  <polacek@redhat.com>

        PR c++/101715
        * tree.cc (fixup_deferred_exception_variants): Remove duplicate
        variants after parsing the exception specifications.

2022-01-21  Jason Merrill  <jason@redhat.com>

        PR c++/104139
        PR c++/103681
        * class.cc (end_of_class): Use base_binfo.

2022-01-20  Jason Merrill  <jason@redhat.com>

        PR c++/101405
        * decl.cc (reshape_init_class): Reject designator for a member of
        another class.

2022-01-20  Patrick Palka  <ppalka@redhat.com>

        PR c++/91911
        PR c++/103672
        * pt.cc (keep_template_parm): Punt on a level 0 template parm.
        (tsubst_decl) <case VAR_DECL>: Remove !CHECKING_P safeguard.
        (tsubst) <case TEMPLATE_TYPE_PARM>: Handle CTAD placeholders
        specially.
        (make_auto_1): Add defaulted 'level' parameter.
        (make_template_placeholder): Pass 0 as 'level' to make_auto_1.

2022-01-20  Patrick Palka  <ppalka@redhat.com>

        * decl.cc (grokdeclarator): Diagnose a CTAD placeholder as
        function return type even when !funcdecl_p.

2022-01-20  Martin Liska  <mliska@suse.cz>

        PR c++/104134
        * error.cc (dump_aggr_type): Partially disable the warning.

2022-01-20  Jason Merrill  <jason@redhat.com>

        PR c++/102300
        * parser.cc (cp_parser_template_name): Use dependent_scope_p.

2022-01-19  David Malcolm  <dmalcolm@redhat.com>

        * cp-lang.cc (selftest::run_cp_tests): Update calls for .c to .cc
        renaming.
        * cp-tree.h (cp_pt_c_tests): Rename to...
        (cp_pt_cc_tests): ...this.
        (cp_tree_c_tests): Rename to...
        (cp_tree_cc_tests): ...this.
        * pt.cc (cp_pt_c_tests): Rename to...
        (cp_pt_cc_tests): ...this.
        * tree.cc (cp_tree_c_tests): Rename to...
        (cp_tree_cc_tests): ...this.

2022-01-19  Jason Merrill  <jason@redhat.com>

        * parser.cc (saved_token_sentinel::rollback): Use
        cp_lexer_previous_token.

2022-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104055
        * constexpr.cc (cxx_eval_outermost_constant_expr): If t is a
        TARGET_EXPR with TARGET_EXPR_CLEANUP, use get_target_expr rather
        than get_target_expr_sfinae with tf_no_cleanup, and don't set
        TREE_CONSTANT.

2022-01-18  Jason Merrill  <jason@redhat.com>
            Jakub Jelinek   <jakub@redhat.com>

        PR c++/104025
        * parser.cc (saved_token_sentinel::rollback): Call
        cp_lexer_set_source_position.
        (~saved_token_sentinel): Call rollback.

2022-01-18  Patrick Palka  <ppalka@redhat.com>

        PR c++/104074
        * pt.cc (invalid_nontype_parm_type_p): Use WILDCARD_TYPE_P so
        that we return false for DEPENDENT_OPERATOR_TYPE too.

2022-01-17  Martin Liska  <mliska@suse.cz>

        * Make-lang.in: Rename .c names to .cc.
        * config-lang.in: Likewise.
        * constexpr.cc (cxx_eval_constant_expression): Likewise.
        * coroutines.cc (morph_fn_to_coro): Likewise.
        * cp-gimplify.cc (cp_gimplify_expr): Likewise.
        * cp-lang.cc (struct lang_hooks): Likewise.
        (get_template_argument_pack_elems_folded): Likewise.
        * cp-objcp-common.cc (cp_tree_size): Likewise.
        (cp_unit_size_without_reusable_padding): Likewise.
        (pop_file_scope): Likewise.
        (cp_pushdecl): Likewise.
        * cp-objcp-common.h (GCC_CP_OBJCP_COMMON): Likewise.
        (cxx_simulate_record_decl): Likewise.
        * cp-tree.h (struct named_label_entry): Likewise.
        (current_function_return_value): Likewise.
        (more_aggr_init_expr_args_p): Likewise.
        (get_function_version_dispatcher): Likewise.
        (common_enclosing_class): Likewise.
        (strip_fnptr_conv): Likewise.
        (current_decl_namespace): Likewise.
        (do_aggregate_paren_init): Likewise.
        (cp_check_const_attributes): Likewise.
        (qualified_name_lookup_error): Likewise.
        (generic_targs_for): Likewise.
        (mark_exp_read): Likewise.
        (is_global_friend): Likewise.
        (maybe_reject_flexarray_init): Likewise.
        (module_token_lang): Likewise.
        (handle_module_option): Likewise.
        (literal_integer_zerop): Likewise.
        (build_extra_args): Likewise.
        (build_if_nonnull): Likewise.
        (maybe_check_overriding_exception_spec): Likewise.
        (finish_omp_target_clauses): Likewise.
        (maybe_warn_zero_as_null_pointer_constant): Likewise.
        (cxx_print_error_function): Likewise.
        (decl_in_std_namespace_p): Likewise.
        (merge_exception_specifiers): Likewise.
        (mangle_module_global_init): Likewise.
        (cxx_block_may_fallthru): Likewise.
        (fold_builtin_source_location): Likewise.
        (enum cp_oracle_request): Likewise.
        (subsumes): Likewise.
        (cp_finish_injected_record_type): Likewise.
        (vtv_build_vtable_verify_fndecl): Likewise.
        (cp_tree_c_finish_parsing): Likewise.
        * cvt.cc (diagnose_ref_binding): Likewise.
        (convert_to_void): Likewise.
        (convert_force): Likewise.
        (type_promotes_to): Likewise.
        * decl.cc (make_unbound_class_template_raw): Likewise.
        (cxx_init_decl_processing): Likewise.
        (check_class_member_definition_namespace): Likewise.
        (cxx_maybe_build_cleanup): Likewise.
        * decl2.cc (maybe_emit_vtables): Likewise.
        * error.cc (dump_function_name): Likewise.
        * init.cc (is_class_type): Likewise.
        (build_new_1): Likewise.
        * lang-specs.h: Likewise.
        * method.cc (make_alias_for_thunk): Likewise.
        * module.cc (specialization_add): Likewise.
        (module_state::read_cluster): Likewise.
        * name-lookup.cc (check_extern_c_conflict): Likewise.
        * name-lookup.h (struct cxx_binding): Likewise.
        * parser.cc (cp_parser_identifier): Likewise.
        * parser.h (struct cp_parser): Likewise.
        * pt.cc (has_value_dependent_address): Likewise.
        (push_tinst_level_loc): Likewise.
        * semantics.cc (finish_omp_clauses): Likewise.
        (finish_omp_atomic): Likewise.
        * tree.cc (cp_save_expr): Likewise.
        (cp_free_lang_data): Likewise.
        * typeck.cc (cp_common_type): Likewise.
        (strip_array_domain): Likewise.
        (rationalize_conditional_expr): Likewise.
        (check_return_expr): Likewise.
        * vtable-class-hierarchy.cc: Likewise.

2022-01-17  Martin Liska  <mliska@suse.cz>

        * call.c: Moved to...
        * call.cc: ...here.
        * class.c: Moved to...
        * class.cc: ...here.
        * constexpr.c: Moved to...
        * constexpr.cc: ...here.
        * cp-gimplify.c: Moved to...
        * cp-gimplify.cc: ...here.
        * cp-lang.c: Moved to...
        * cp-lang.cc: ...here.
        * cp-objcp-common.c: Moved to...
        * cp-objcp-common.cc: ...here.
        * cp-ubsan.c: Moved to...
        * cp-ubsan.cc: ...here.
        * cvt.c: Moved to...
        * cvt.cc: ...here.
        * cxx-pretty-print.c: Moved to...
        * cxx-pretty-print.cc: ...here.
        * decl.c: Moved to...
        * decl.cc: ...here.
        * decl2.c: Moved to...
        * decl2.cc: ...here.
        * dump.c: Moved to...
        * dump.cc: ...here.
        * error.c: Moved to...
        * error.cc: ...here.
        * except.c: Moved to...
        * except.cc: ...here.
        * expr.c: Moved to...
        * expr.cc: ...here.
        * friend.c: Moved to...
        * friend.cc: ...here.
        * g++spec.c: Moved to...
        * g++spec.cc: ...here.
        * init.c: Moved to...
        * init.cc: ...here.
        * lambda.c: Moved to...
        * lambda.cc: ...here.
        * lex.c: Moved to...
        * lex.cc: ...here.
        * mangle.c: Moved to...
        * mangle.cc: ...here.
        * method.c: Moved to...
        * method.cc: ...here.
        * name-lookup.c: Moved to...
        * name-lookup.cc: ...here.
        * optimize.c: Moved to...
        * optimize.cc: ...here.
        * parser.c: Moved to...
        * parser.cc: ...here.
        * pt.c: Moved to...
        * pt.cc: ...here.
        * ptree.c: Moved to...
        * ptree.cc: ...here.
        * rtti.c: Moved to...
        * rtti.cc: ...here.
        * search.c: Moved to...
        * search.cc: ...here.
        * semantics.c: Moved to...
        * semantics.cc: ...here.
        * tree.c: Moved to...
        * tree.cc: ...here.
        * typeck.c: Moved to...
        * typeck.cc: ...here.
        * typeck2.c: Moved to...
        * typeck2.cc: ...here.
        * vtable-class-hierarchy.c: Moved to...
        * vtable-class-hierarchy.cc: ...here.

2022-01-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/104031
        * cp-gimplify.c (cp_genericize_target_expr): Set DECL_CONTEXT of
        TARGET_EXPR_SLOT to current_function_decl if it was NULL.

2022-01-17  Andrew Stubbs  <ams@codesourcery.com>

        * parser.c (cp_parser_omp_requires): Don't "sorry" dynamic_allocators.

2022-01-14  Chung-Lin Tang  <cltang@codesourcery.com>

        PR c++/103705
        * semantics.c (finish_omp_clauses): Also continue peeling off of
        outer node for ARRAY_REFs.

2022-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR c++/103991
        * cp-objcp-common.c (cxx_block_may_fallthru) <case IF_STMT>: For
        IF_STMT_CONSTEXPR_P with constant false or true condition only
        check if the taken clause may fall through.
        * cp-gimplify.c (genericize_if_stmt): For consteval if, revert
        to r12-5638^ behavior if then_ block can't fall through.  For
        constexpr if, revert to r12-5638^ behavior.

2022-01-13  Anthony Sharp  <anthonysharp15@gmail.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/70417
        * parser.c (cp_parser_id_expression): Handle
        -Wmissing-template-keyword.
        (struct saved_token_sentinel): Add modes to control what happens
        on destruction.
        (cp_parser_statement): Adjust.
        (cp_parser_skip_entire_template_parameter_list): New function that
        skips an entire template parameter list.
        (cp_parser_require_end_of_template_parameter_list): Rename old
        cp_parser_skip_to_end_of_template_parameter_list.
        (cp_parser_skip_to_end_of_template_parameter_list): Refactor to be
        called from one of the above two functions.
        (cp_parser_lambda_declarator_opt)
        (cp_parser_explicit_template_declaration)
        (cp_parser_enclosed_template_argument_list): Adjust.

2022-01-12  Jakub Jelinek  <jakub@redhat.com>
            Jason Merrill  <jason@redhat.com>

        PR c++/103480
        * tree.c (move): If expr is xvalue_p, just return expr without
        build_static_cast.

2022-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR c++/101597
        * class.c (build_vfn_ref): Build OBJ_TYPE_REF with INTEGER_CST
        OBJ_TYPE_REF_TOKEN with type equal to OBJ_TYPE_REF_OBJECT type.
        * error.c (resolve_virtual_fun_from_obj_type_ref): Use type of
        OBJ_TYPE_REF_TOKEN rather than type of OBJ_TYPE_REF_OBJECT as
        obj_type.

2022-01-11  Patrick Palka  <ppalka@redhat.com>

        PR c++/103831
        * call.c (build_new_method_call): Consider dependent bases only
        if 'this' is available.

2022-01-11  Olivier Hainque  <hainque@adacore.com>

        * decl.c (cxx_init_decl_processing): Move code possibly
        altering flag_weak before code testing it.

2022-01-10  Patrick Palka  <ppalka@redhat.com>

        PR c++/103879
        * constexpr.c (cxx_fold_indirect_ref): Split out object/offset
        canonicalization step into a local lambda.  Strengthen it to
        absorb more components at position 0.  Use it before both calls
        to cxx_fold_indirect_ref_1.

2022-01-10  Patrick Palka  <ppalka@redhat.com>

        PR c++/103783
        * call.c (cand_parms_match): Skip over 'this' when given one
        static and one non-static member function.

2022-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR c++/103912
        * semantics.c (expand_or_defer_fn): For immediate functions, set
        node->body_removed to true and clear analyzed, definition and
        force_output.
        * decl2.c (c_parse_final_cleanups): Ignore immediate functions for
        expand_or_defer_fn.

2022-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR c++/89074
        * constexpr.c (cxx_maybe_fold_addr_pointer_plus): New function.
        (cxx_eval_binary_expression): Use it.

2022-01-08  Jason Merrill  <jason@redhat.com>

        PR c++/103946
        * init.c (build_vec_init): Remove assert.
        * tree.c (build_vec_init_expr): Likewise.

2022-01-08  Jason Merrill  <jason@redhat.com>

        PR c++/100588
        * call.c (build_op_delete_call): Ignore destroying delete
        if alloc_fn.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/20040
        * init.c (build_new_1): Also build pointer cleanup if
        TYPE_GETS_DELETE.
        * cp-tree.h (TYPE_GETS_VEC_DELETE): New.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/103936
        PR c++/65591
        * cp-gimplify.c (cp_gimplify_expr): Restore VEC_INIT_EXPR handling.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/103711
        * init.c (perform_target_ctor): Select destructor by in_chrg.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/61611
        * except.c (in_nested_catch): New.
        (expand_end_catch_block): Check it.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/33799
        PR c++/102191
        * except.c (maybe_splice_retval_cleanup): Check
        current_binding_level.
        * semantics.c (do_poplevel): Call it here.
        * parser.c (cp_parser_compound_statement): Not here.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/53868
        * decl.c (cp_finish_decl): Use wrap_temporary_cleanups for
        cleanups from set_up_extended_ref_temp.
        (wrap_temporary_cleanups): Ignore array cleanups.
        (initialize_local_var): Don't check for array here.
        * cp-tree.h (BIND_EXPR_VEC_DTOR): New.
        * init.c (build_vec_delete_1): Set it.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/66451
        * init.c (build_vec_delete_1): Handle throwing dtor.
        (build_vec_init): Tell it we're in a cleanup already.

2022-01-07  Jason Merrill  <jason@redhat.com>

        * typeck2.c (split_nonconstant_init_1): Don't cleanup the last elt.
        (split_nonconstant_init): Adjust.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/66139
        PR c++/52320
        * constexpr.c (replace_decl): Rename from replace_result_decl.
        * cp-tree.h (replace_decl): Declare it.
        * cp-gimplify.c (cp_gimplify_init_expr): Call it.
        (cp_gimplify_expr): Don't handle VEC_INIT_EXPR.
        (cp_genericize_init, cp_genericize_init_expr)
        (cp_genericize_target_expr): New.
        (cp_fold_r): Call them.
        * tree.c (build_array_copy): Add a TARGET_EXPR.
        * typeck2.c (digest_init_r): Look through a TARGET_EXPR.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/94041
        * decl.c (initialize_local_var): Fix comment.
        * init.c (build_new_1): Do stabilize array init.
        (build_vec_init): Use TARGET_EXPR for cleanup.  Initialization
        of an element from an explicit initializer is not a
        full-expression.
        * tree.c (expand_vec_init_expr): Pass flags through.
        * typeck2.c (split_nonconstant_init_1): Handle VEC_INIT_EXPR.
        (split_nonconstant_init): Handle array cleanups.
        * cp-tree.h: Adjust.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/94041
        * decl.c (check_initializer): Remove obsolete comment.
        (wrap_cleanups_r): Don't wrap CLEANUP_EH_ONLY.
        (initialize_local_var): Change assert to test.
        * typeck2.c (maybe_push_temp_cleanup): New.
        (split_nonconstant_init_1): Use it.
        (split_nonconstant_init): Clear cleanup flags.

2022-01-07  Jason Merrill  <jason@redhat.com>

        PR c++/92385
        * typeck2.c (PICFLAG_VEC_INIT): New.
        (process_init_constructor_array): Set it.
        (process_init_constructor): Handle it.
        (split_nonconstant_init_1): Handle VEC_INIT_EXPR.
        * init.c (build_vec_init): Likewise.
        * cp-gimplify.c (cp_gimplify_expr): Factor out...
        * tree.c (expand_vec_init_expr): ...this function.
        (build_vec_init_elt): Handle BRACE_ENCLOSED_INITIALIZER_P.
        (build_vec_init_expr): Likewise.
        * constexpr.c (cxx_eval_vec_init): Likewise.
        (reduced_constant_expression_p): Check arrays before C++20.
        * cp-tree.h (expand_vec_init_expr): Declare.

2022-01-07  Jason Merrill  <jason@redhat.com>

        * init.c (build_new_1): Remove preevaluation code.

2022-01-05  Nathan Sidwell  <nathan@acm.org>

        * pt.c (instantiate_class_template_1): Process attribute((used)) set
        in class's context.

2022-01-05  Nathan Sidwell  <nathan@acm.org>

        * init.c (build_new_1): Check complain before alignment warning.

2022-01-04  Jason Merrill  <jason@redhat.com>

        * cp-tree.h (class releasing_vec): Add begin/end fns.

2022-01-04  Jason Merrill  <jason@redhat.com>

        * init.c: Include -*- C++ -*- on first line.

2022-01-03  Marek Polacek  <polacek@redhat.com>

        PR c++/103758
        * parser.c (cp_parser_decl_specifier_seq): Replace %<decl-specifier%>
        with %qD.

2022-01-03  Marek Polacek  <polacek@redhat.com>

        * parser.c (make_char_string_pack): Add a cast to const unsigned
        char *.

2022-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/103600
        * rtti.c (get_tinfo_decl_direct): Add "non overlapping" attribute
        to DECL_TINFO_P VAR_DECLs.

2022-01-02  Jason Merrill  <jason@redhat.com>

        * init.c (build_vec_init): Append the decrement to elt_init.

2022-01-02  Jason Merrill  <jason@redhat.com>

        * decl.c (wrap_cleanups_r): Don't wrap if noexcept.

\f
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