2023-12-12 Jason Merrill Jason Xu * class.cc (propagate_class_warmth_attribute): Handle member templates. 2023-12-12 Jason Merrill Nathaniel Shead * call.cc (build_trivial_dtor_call): Use CLOBBER_OBJECT_END. * decl.cc (build_clobber_this): Take clobber_kind argument. (start_preparsed_function): Pass CLOBBER_OBJECT_BEGIN. (begin_destructor_body): Pass CLOBBER_OBJECT_END. 2023-12-11 Patrick Palka * pt.cc (alias_ctad_tweaks): Pass use_spec_table=false to tsubst_decl. 2023-12-11 Tobias Burnus * parser.cc (cp_parser_omp_requires): Handle acquires/release in atomic_default_mem_order clause. (cp_parser_omp_atomic): Update. 2023-12-11 Nathaniel Shead PR c++/96090 PR c++/100470 * call.cc (build_over_call): Prevent folding of trivial special members when checking for noexcept. * method.cc (constructible_expr): Perform value-initialisation for empty parameter lists. (is_nothrow_xible): Treat as noexcept operator. 2023-12-11 Nathaniel Shead PR c++/104234 PR c++/112580 * pt.cc (tsubst_template_decl): Clear DECL_UNINSTANTIATED_TEMPLATE_FRIEND_P. 2023-12-10 Ken Matsui * cp-trait.def: Define __remove_pointer. * semantics.cc (finish_trait_type): Handle CPTK_REMOVE_POINTER. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_object. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_OBJECT. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_function. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_FUNCTION. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_reference. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_REFERENCE. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_member_object_pointer. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_MEMBER_OBJECT_POINTER. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_member_function_pointer. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_MEMBER_FUNCTION_POINTER. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_member_pointer. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_MEMBER_POINTER. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_scoped_enum. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_SCOPED_ENUM. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_bounded_array. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_BOUNDED_ARRAY. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Ken Matsui * cp-trait.def: Define __is_array. * constraint.cc (diagnose_trait_expr): Handle CPTK_IS_ARRAY. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. 2023-12-10 Jason Merrill * parser.cc (cp_parser_simple_type_specifier): Move trait handling to default label. 2023-12-10 Ken Matsui * parser.cc (cp_lexer_lookup_trait): Rename to ... (cp_lexer_peek_trait): ... this. Handle a subsequent token for the corresponding built-in trait. (cp_lexer_lookup_trait_expr): Rename to ... (cp_lexer_peek_trait_expr): ... this. (cp_lexer_lookup_trait_type): Rename to ... (cp_lexer_peek_trait_type): ... this. (cp_lexer_next_token_is_decl_specifier_keyword): Call cp_lexer_peek_trait_type. (cp_parser_simple_type_specifier): Likewise. (cp_parser_primary_expression): Call cp_lexer_peek_trait_expr. 2023-12-10 Ken Matsui Patrick Palka * cp-objcp-common.cc (names_builtin_p): Remove all RID value cases for built-in traits. Check for built-in traits via the new cik_trait kind. * cp-tree.h (enum cp_trait_kind): Set its underlying type to addr_space_t. (struct cp_trait): New struct to hold trait information. (cp_traits): New array to hold a mapping to all traits. (cik_reserved_for_udlit): Rename to ... (cik_trait): ... this. (IDENTIFIER_ANY_OP_P): Exclude cik_trait. (IDENTIFIER_TRAIT_P): New macro to detect cik_trait. * lex.cc (cp_traits): Define its values, declared in cp-tree.h. (init_cp_traits): New function to set cik_trait and IDENTIFIER_CP_INDEX for all built-in trait identifiers. (cxx_init): Call init_cp_traits function. * parser.cc (cp_lexer_lookup_trait): New function to look up a built-in trait by IDENTIFIER_CP_INDEX. (cp_lexer_lookup_trait_expr): Likewise, look up an expression-yielding built-in trait. (cp_lexer_lookup_trait_type): Likewise, look up a type-yielding built-in trait. (cp_keyword_starts_decl_specifier_p): Remove all RID value cases for built-in traits. (cp_lexer_next_token_is_decl_specifier_keyword): Handle type-yielding built-in traits. (cp_parser_primary_expression): Remove all RID value cases for built-in traits. Handle expression-yielding built-in traits. (cp_parser_trait): Handle cp_trait instead of enum rid. (cp_parser_simple_type_specifier): Remove all RID value cases for built-in traits. Handle type-yielding built-in traits. 2023-12-10 Ken Matsui * constraint.cc (diagnose_trait_expr): Sort built-in traits alphabetically. * cp-trait.def: Likewise. * semantics.cc (trait_expr_value): Likewise. (finish_trait_expr): Likewise. (finish_trait_type): Likewise. 2023-12-09 Jakub Jelinek * parser.cc (cp_parser_statement, cp_parser_expression_statement, cp_parser_declaration, cp_parser_asm_definition): Don't diagnose ignored attributes if !any_nonignored_attribute_p. * decl.cc (grokdeclarator): Likewise. * name-lookup.cc (handle_namespace_attrs, finish_using_directive): Don't diagnose ignoring of attr_ignored_p attributes. 2023-12-08 Patrick Palka PR c++/83167 * semantics.cc (capture_decltype): Inline into its only caller ... (finish_decltype_type): ... here. Update nearby comment to refer to recent standard. Add FIXME. Restrict uncaptured variable type transformation to happen only for lambdas with a by-copy capture-default. 2023-12-08 Jakub Jelinek * parser.cc (cp_parser_std_attribute_spec): Return void_list_node rather than NULL_TREE if token is neither CPP_OPEN_SQUARE nor RID_ALIGNAS CPP_KEYWORD. (cp_parser_std_attribute_spec_seq): For attr_spec == void_list_node break, for attr_spec == NULL_TREE continue. 2023-12-08 Jakub Jelinek PR sanitizer/112727 * cp-gimplify.cc (cp_fold): If SAVE_EXPR has been previously folded, unshare_expr what is returned. 2023-12-08 Patrick Palka PR c++/112658 * parser.cc (cp_parser_expression_statement): If the statement is error_mark_node, make sure we've seen_error(). 2023-12-08 Patrick Palka PR c++/112658 PR c++/94264 * typeck.cc (cp_build_c_cast): If we're committed to a const_cast and the result is erroneous, call build_const_cast_1 a second time to issue errors. Use complain=tf_none instead of =false. 2023-12-06 David Malcolm * cp-tree.h (cxx_print_error_function): Make diagnostic_info param const. * error.cc (cxx_print_error_function): Likewise. (cp_diagnostic_starter): Likewise. (cp_print_error_function): Likewise. 2023-12-06 Jason Merrill DR 532 PR c++/53499 * pt.cc (more_specialized_fn): Fix object parameter handling. 2023-12-05 Jakub Jelinek PR c++/112795 * cp-tree.h (cp_check_pragma_unroll): Declare. * semantics.cc (cp_check_pragma_unroll): New function. * parser.cc (cp_parser_pragma_unroll): Use cp_check_pragma_unroll. * pt.cc (tsubst_expr) : Likewise. (tsubst_stmt) : Likwsie. 2023-12-05 Richard Sandiford * tree.cc (cxx_gnu_attribute_table): Add extra braces to work around PR 16333 in older compilers. 2023-12-05 Jakub Jelinek PR c++/110734 * parser.cc (cp_parser_block_declaration): Implement C++ DR 2262 - Attributes for asm-definition. Call cp_parser_asm_definition even if RID_ASM token is only seen after sequence of standard attributes. (cp_parser_asm_definition): Parse standard attributes before RID_ASM token and warn for them with -Wattributes. 2023-12-05 Marek Polacek PR c++/107687 PR c++/110997 * call.cc (in_immediate_context): No longer static. * constexpr.cc (cxx_eval_call_expression): Adjust assert. * cp-gimplify.cc (deferred_escalating_exprs): New vec. (remember_escalating_expr): New. (enum fold_flags): Remove ff_fold_immediate. (immediate_escalating_function_p): New. (unchecked_immediate_escalating_function_p): New. (promote_function_to_consteval): New. (cp_fold_immediate): Move above. Return non-null if any errors were emitted. (maybe_explain_promoted_consteval): New. (cp_gimplify_expr) : Assert we've handled all immediate invocations. (taking_address_of_imm_fn_error): New. (cp_fold_immediate_r): Merge ADDR_EXPR and PTRMEM_CST cases. Implement P2564 - promoting functions to consteval. : Implement P2564 - promoting functions to consteval. (cp_fold_r): If an expression turns into a CALL_EXPR after cp_fold, call cp_fold_immediate_r on the CALL_EXPR. (cp_fold_function): Set DECL_ESCALATION_CHECKED_P if deferred_escalating_exprs does not contain current_function_decl. (process_and_check_pending_immediate_escalating_fns): New. * cp-tree.h (struct lang_decl_fn): Add escalated_p bit-field. (DECL_ESCALATION_CHECKED_P): New. (immediate_invocation_p): Declare. (process_pending_immediate_escalating_fns): Likewise. * decl2.cc (c_parse_final_cleanups): Set at_eof to 2 after all templates have been instantiated; and to 3 at the end of the function. Call process_pending_immediate_escalating_fns. * error.cc (dump_template_bindings): Check at_eof against an updated value. * module.cc (trees_out::lang_decl_bools): Stream escalated_p. (trees_in::lang_decl_bools): Likewise. * pt.cc (push_tinst_level_loc): Set at_eof to 3, not 2. * typeck.cc (cp_build_addr_expr_1): Don't check DECL_IMMEDIATE_FUNCTION_P. 2023-12-04 Jason Merrill * constexpr.cc (potential_constant_expression_1): Fix check for loading volatile lvalue. 2023-12-04 Jakub Jelinek PR c++/112795 * cp-tree.h (cp_convert_range_for): Change UNROLL type from unsigned short to tree. (finish_while_stmt_cond, finish_do_stmt, finish_for_cond): Likewise. * parser.cc (cp_parser_statement): Pass NULL_TREE rather than 0 to cp_parser_iteration_statement UNROLL argument. (cp_parser_for, cp_parser_c_for): Change UNROLL type from unsigned short to tree. (cp_parser_range_for): Likewise. Set RANGE_FOR_UNROLL to just UNROLL rather than build_int_cst from it. (cp_convert_range_for, cp_parser_iteration_statement): Change UNROLL type from unsigned short to tree. (cp_parser_omp_loop_nest): Pass NULL_TREE rather than 0 to cp_parser_range_for UNROLL argument. (cp_parser_pragma_unroll): Return tree rather than unsigned short. If parsed expression is type dependent, just return it, don't diagnose issues with value if it is value dependent. (cp_parser_pragma): Change UNROLL type from unsigned short to tree. * semantics.cc (finish_while_stmt_cond): Change UNROLL type from unsigned short to tree. Build ANNOTATE_EXPR with UNROLL as its last operand rather than build_int_cst from it. (finish_do_stmt, finish_for_cond): Likewise. * pt.cc (tsubst_stmt) : Change UNROLL type from unsigned short to tree and set it to RECUR on RANGE_FOR_UNROLL (t). (tsubst_expr) : For annot_expr_unroll_kind repeat checks on UNROLL value from cp_parser_pragma_unroll. 2023-12-02 Richard Sandiford * cp-tree.h (cxx_attribute_table): Delete. (cxx_gnu_attribute_table, std_attribute_table): Declare. * cp-objcp-common.h (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE): Delete. (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Delete. (cp_objcp_attribute_table): New table. (LANG_HOOKS_ATTRIBUTE_TABLE): Redefine. * tree.cc (cxx_attribute_table): Replace with... (cxx_gnu_attributes, cxx_gnu_attribute_table): ...these globals. (std_attribute_table): Change type to scoped_attribute_specs, using... (std_attributes): ...this as the underlying array. (init_tree): Remove call to register_scoped_attributes. 2023-12-01 Jason Merrill * mangle.cc (write_type): Mangle placeholder as its template. 2023-12-01 Jason Merrill * cp-tree.h (TEMPLATE_ARGS_TYPE_CONSTRAINT_P): New. (get_concept_check_template): Declare. * constraint.cc (combine_constraint_expressions) (finish_shorthand_constraint): Use UNKNOWN_LOCATION. * pt.cc (convert_generic_types_to_packs): Likewise. * mangle.cc (write_constraint_expression) (write_tparms_constraints, write_type_constraint) (template_parm_natural_p, write_requirement) (write_requires_expr): New. (write_encoding): Mangle trailing requires-clause. (write_name): Pass parms to write_template_args. (write_template_param_decl): Factor out from... (write_closure_template_head): ...here. (write_template_args): Mangle non-natural parms and requires-clause. (write_expression): Handle REQUIRES_EXPR. 2023-12-01 Jason Merrill * semantics.cc (finish_non_static_data_member) (finish_decltype_type, capture_decltype): Handle deduced closure parameter. 2023-11-30 Marek Polacek PR c++/112744 * typeck.cc (finish_class_member_access_expr): When accessing a static data member, use ba_any for lookup_base. 2023-11-30 Jakub Jelinek PR c++/110349 * cp-tree.h: Implement C++26 P2169R4 - Placeholder variables with no name. (OVL_NAME_INDEPENDENT_DECL_P): Define. (add_capture): Add unsigned * argument. (name_independent_decl_p): New inline function. * name-lookup.cc (class name_lookup): Make ambiguous and add_value members public. (name_independent_linear_search): New function. (get_class_binding_direct): Handle member_vec_binary_search returning OVL_NAME_INDEPENDENT_DECL_P OVERLOAD. Use name_independent_linear_search rather than fields_linear_search for linear lookup of _ name if !want_type. (member_name_cmp): Sort name-independent declarations first. (member_vec_dedup): Handle name-independent declarations. (pop_local_binding): Handle binding->value being a TREE_LIST for ambiguous name-independent declarations. (supplement_binding): Handle name-independent declarations. (update_binding): Likewise. (check_local_shadow): Return tree rather than void, normally NULL_TREE but old for name-independent declarations which used to conflict with outer scope declaration. Don't emit -Wshadow* warnings for name-independent declarations. (pushdecl): Handle name-independent declarations. * search.cc (lookup_field_r): Handle nval being a TREE_LIST. * lambda.cc (build_capture_proxy): Adjust for ___. names of members. (add_capture): Add NAME_INDEPENDENT_CNT argument. Use ___. name rather than ___ for second and following capture with _ name. (add_default_capture): Adjust add_capture caller. * decl.cc (poplevel): Don't warn about name-independent declarations. (duplicate_decls): If in C++26 a _ named declaration conflicts with earlier declarations, emit explaining note why the new declaration is not name-independent. (reshape_init_class): If field is a TREE_LIST, emit an ambiguity error with list of candidates rather than error about non-existing non-static data member. * parser.cc (cp_parser_lambda_introducer): Adjust add_capture callers. Allow name-independent capture redeclarations. (cp_parser_decomposition_declaration): Set decl_specs.storage_class to sc_static for static structured bindings. * pt.cc (tsubst_lambda_expr): Adjust add_capture caller. 2023-11-30 Alexandre Oliva * decl.cc (finish_enum_value_list): Set TYPE_PACKED if use_short_enum, and propagate it to variants. 2023-11-30 Jason Merrill * cp-tree.h (LAMBDA_EXPR_MUTABLE_P): Remove. * cp-tree.def: Remove documentation. * lambda.cc (build_lambda_expr): Remove reference. * parser.cc (cp_parser_lambda_declarator_opt): Likewise. * pt.cc (tsubst_lambda_expr): Likewise. * ptree.cc (cxx_print_lambda_node): Likewise. * semantics.cc (capture_decltype): Get the object quals from the object instead. 2023-11-29 Marek Polacek PR c++/106650 * constexpr.cc (cxx_eval_constant_expression) : Allow reference to unknown/this as per P2280. : Allow reference to unknown as per P2280. 2023-11-29 Patrick Palka PR c++/112765 * pt.cc (tsubst_expr) : Look through implicit INDIRECT_REF when propagating -Wparentheses warning suppression. * semantics.cc (maybe_warn_unparenthesized_assignment): Replace REFERENCE_REF_P handling with STRIP_REFERENCE_REF. (finish_parenthesized_expr): Likewise. 2023-11-29 Jakub Jelinek * semantics.cc (finish_static_assert): Free buf on error return. 2023-11-29 Alexandre Oliva * decl.cc (maybe_prepare_return_this): Split out of... (maybe_return_this): ... this. * cp-tree.h (maybe_prepare_return_this): Declare. * class.cc (build_clone): Call it. 2023-11-29 Alexandre Oliva * contracts.cc (check_postcondition_result): Cope with cdtor_return_this. 2023-11-28 Jason Merrill PR c++/94264 PR c++/53220 * call.cc (convert_like_internal): Remove obsolete comment. * typeck.cc (decay_conversion): Allow array prvalue. (maybe_warn_about_returning_address_of_local): Check for returning pointer to temporary. 2023-11-28 Jakub Jelinek * cp-objcp-common.cc (cp_feature_table): Evaluate __has_extension (cxx_init_captures) to 1 even for -std=c++11. 2023-11-27 Alex Coplan Iain Sandoe PR c++/60512 * cp-lang.cc (c_family_register_lang_features): New. * cp-objcp-common.cc (struct cp_feature_selector): New. (cp_feature_selector::has_feature): New. (struct cp_feature_info): New. (cp_register_features): New. * cp-objcp-common.h (cp_register_features): New. 2023-11-25 Nathaniel Shead * name-lookup.cc (check_can_export_using_decl): New. (do_nonmember_using_decl): Use above to check if names can be exported. 2023-11-25 Nathaniel Shead PR c++/102341 * decl.cc (duplicate_decls): Allow exporting a redeclaration of a typedef. 2023-11-24 Tobias Burnus * parser.cc (cp_parser_omp_clause_dist_schedule, cp_parser_omp_scan_loop_body, cp_parser_omp_assumption_clauses, cp_parser_omp_depobj): Add OPT_Wopenmp to warning_at. * semantics.cc (finish_omp_clauses): Likewise. 2023-11-24 Tobias Burnus * parser.cc (cp_parser_omp_depobj): Accept optionally an argument to the destroy clause. 2023-11-24 Nathaniel Shead PR c++/99232 * decl.cc (grokvardecl): Don't mark variables attached to modules as internal. 2023-11-24 Nathaniel Shead PR c++/107398 * module.cc (trees_out::get_merge_kind): Handle lambdas in class scope. (maybe_key_decl): Remove assertion and fix whitespace. 2023-11-24 Nathaniel Shead PR c++/98885 * decl.cc (duplicate_decls): Adjust error message. (xref_tag): Adjust error message. Check exporting decl that is already declared as non-exporting. 2023-11-23 Jakub Jelinek PR c++/110348 * parser.cc: Implement C++26 P2741R3 - user-generated static_assert messages. (cp_parser_static_assert): Parse message argument as conditional-expression if it is not a pure string literal or several of them concatenated followed by closing paren. * semantics.cc (finish_static_assert): Handle message which is not STRING_CST. For condition with bare parameter packs return early. * pt.cc (tsubst_expr) : Also tsubst_expr message and make sure that if it wasn't originally STRING_CST, it isn't after tsubst_expr either. 2023-11-22 Patrick Palka PR c++/112633 * pt.cc (tsubst_aggr_type): Handle empty TYPE_TEMPLATE_INFO in the entering_scope adjustment. 2023-11-22 Jason Merrill * decl.cc (start_preparsed_function): Clarify ctype logic. 2023-11-20 Marc Poulhiès * lambda.cc (compare_lambda_sig): Fix typo in variadic. 2023-11-20 Jason Merrill * pt.cc (comp_template_parms): Just one level. (template_parameter_lists_equivalent_p): Likewise. 2023-11-20 Jason Merrill * cp-tree.h (DECL_TEMPLATE_PARM_CHECK): New. (DECL_IMPLICIT_TEMPLATE_PARM_P): New. (decl_template_parm_check): New. * mangle.cc (write_closure_template_head): Use it. * parser.cc (synthesize_implicit_template_parm): Likewise. * pt.cc (template_parameters_equivalent_p): Likewise. 2023-11-19 Nathaniel Shead PR c++/99187 * cp-tree.h (enum cp_tree_index): Add CPTI_THREAD_ATEXIT. (thread_atexit_node): New. * decl.cc (get_thread_atexit_node): Cache in thread_atexit_node. 2023-11-19 David Malcolm * mapper-client.cc: Include "rich-location.h". 2023-11-16 Jakub Jelinek PR c++/112365 * class.cc (layout_class_type): Don't SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD on FIELD_DECLs with error_mark_node type. 2023-11-16 Patrick Palka PR c++/111703 PR c++/107939 * constexpr.cc (potential_constant_expression_1) : Fix FUNCTION_POINTER_TYPE_P test. 2023-11-16 Marek Polacek PR c++/112410 * parser.cc (cp_parser_direct_declarator): Maybe call abort_fully_implicit_template if it turned out the parameter list was ill-formed. 2023-11-15 Bernhard Reutner-Fischer * tree.cc (build_cplus_array_type): Revert using the macro CAN_HAVE_LOCATION_P. 2023-11-15 Patrick Palka PR c++/112515 * decl.cc (is_direct_enum_init): Check type-dependence of the single element. 2023-11-15 Patrick Palka PR c++/101043 * tree.cc (strip_typedefs_expr) : Handle non-empty TREE_PURPOSE. 2023-11-15 Patrick Palka PR c++/112427 * tree.cc (build_min_non_dep): Propagate TREE_SIDE_EFFECTS from the original arguments. (build_min_non_dep_call_vec): Likewise. * typeck2.cc (build_m_component_ref): Use cp_convert, build2 and cp_fully_fold instead of fold_build_pointer_plus and fold_convert. Don't build the POINTER_PLUS_EXPR in a template context. 2023-11-15 Patrick Palka PR c++/111703 PR c++/112269 * constexpr.cc (potential_constant_expression_1) : Only consider var_in_maybe_constexpr_fn if 'now' is false. : Likewise. 2023-11-15 Jakub Jelinek * typeck.cc: Implement C++26 P2864R2 - Remove Deprecated Arithmetic Conversion on Enumerations From C++26. (do_warn_enum_conversions): Return bool rather than void, add COMPLAIN argument. Use pedwarn rather than warning_at for C++26 and remove " is deprecated" part of the diagnostics in that case. For SFINAE in C++26 return true on newly erroneous cases. (cp_build_binary_op): For C++26 call do_warn_enum_conversions unconditionally, pass complain argument to it and if it returns true, return error_mark_node. * call.cc (build_conditional_expr): Use pedwarn rather than warning_at for C++26 and remove " is deprecated" part of the diagnostics in that case and check for complain & tf_warning_or_error. Use emit_diagnostic with cxx_dialect >= cxx26 ? DK_PEDWARN : DK_WARNING. For SFINAE in C++26 return error_mark_node on newly erroneous cases. (build_new_op): Use emit_diagnostic with cxx_dialect >= cxx26 ? DK_PEDWARN : DK_WARNING and complain & tf_warning_or_error check for C++26. For SFINAE in C++26 return error_mark_node on newly erroneous cases. 2023-11-14 Nathaniel Shead PR c++/103499 * module.cc (trees_out::decl_node): Write DECL_VINDEX for virtual clones. (trees_in::tree_node): Read DECL_VINDEX for virtual clones. 2023-11-14 Nathaniel Shead PR c++/106849 * name-lookup.cc (do_nonmember_using_decl): Handle TEMPLATE_DECLs when checking module attachment. 2023-11-14 David Malcolm * decl.cc (finish_function): Update call to global_dc->m_option_enabled to use option_enabled_p. 2023-11-14 David Malcolm * contracts.cc (build_comment): Use global_dc's file_cache. 2023-11-14 Jonathan Wakely PR c++/111842 PR c++/112498 * call.cc (convert_like_internal): Use OPT_Wnarrowing for pedwarns about illformed conversions involving extended floating-point types. Clarify that ISO C++ requires these diagnostics. 2023-11-14 Jakub Jelinek PR c/111309 * call.cc (magic_varargs_p): Return 4 for BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G. (build_over_call): Don't promote first argument of BUILT_IN_{CLZ,CTZ,CLRSB,FFS,PARITY,POPCOUNT}G. * cp-gimplify.cc (cp_gimplify_expr): For BUILT_IN_C{L,T}ZG use c_gimplify_expr. 2023-11-10 Patrick Palka PR c++/79620 * cp-tree.h (STRIP_REFERENCE_REF): Define. * semantics.cc (outer_var_p): Assert REFERENCE_REF_P is false. (finish_decltype_type): Look through implicit INDIRECT_REF when deciding whether to call capture_decltype. 2023-11-10 Patrick Palka PR c++/79378 PR c++/96917 * semantics.cc (finish_decltype_type): Handle an id-expression naming a capture proxy specially. 2023-11-07 Kwok Cheung Yeung * cp-tree.h (cp_omp_declare_target_attr): Add indirect field. * decl2.cc (cplus_decl_attributes): Add attribute for indirect functions. * parser.cc (cp_parser_omp_clause_name): Handle indirect clause. (cp_parser_omp_clause_indirect): New. (cp_parser_omp_all_clauses): Handle indirect clause. (handle_omp_declare_target_clause): Add extra parameter. Add indirect attribute for indirect functions. (OMP_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_declare_target): Handle indirect clause. Emit error message if device_type or indirect clauses used alone. Emit error if indirect clause used with device_type that is not 'any'. (OMP_BEGIN_DECLARE_TARGET_CLAUSE_MASK): Add indirect clause to mask. (cp_parser_omp_begin): Handle indirect clause. * semantics.cc (finish_omp_clauses): Handle indirect clause. 2023-11-04 Jakub Jelinek * parser.h (struct cp_parser): Adjust comment on omp_attrs_forbidden_p member. * parser.cc (cp_parser_omp_section_scan): Allow __directive__ spelling. 2023-11-04 David Malcolm * call.cc: Update for changes to diagnostic_context. * class.cc: Likewise. * decl.cc: Likewise. * error.cc: Likewise. * except.cc: Likewise. * pt.cc: Likewise. 2023-11-02 Jason Merrill * semantics.cc (nrv_data): Change visited to hash_set. (finalize_nrv_r): Reorganize. 2023-11-02 Jason Merrill PR c++/112301 PR c++/102191 PR c++/33799 * except.cc (maybe_splice_retval_cleanup): Clear current_retval_sentinel when destroying retval. * semantics.cc (nrv_data): Add in_nrv_cleanup. (finalize_nrv): Set it. (finalize_nrv_r): Fix handling of throwing cleanups. 2023-11-02 Jakub Jelinek PR c++/110342 * parser.cc: Implement C++26 P2361R6 - Unevaluated strings. (uneval_string_attr): New enumerator. (cp_parser_string_literal_common): Add UNEVAL argument. If true, pass CPP_UNEVAL_STRING rather than CPP_STRING to cpp_interpret_string_notranslate. (cp_parser_string_literal, cp_parser_userdef_string_literal): Adjust callers of cp_parser_string_literal_common. (cp_parser_unevaluated_string_literal): New function. (cp_parser_parenthesized_expression_list): Handle uneval_string_attr. (cp_parser_linkage_specification): Use cp_parser_unevaluated_string_literal for C++26. (cp_parser_static_assert): Likewise. (cp_parser_std_attribute): Use uneval_string_attr for standard deprecated and nodiscard attributes. 2023-10-31 David Malcolm * module.cc (ordinary_loc_of): Update for removal of MACRO_MAP_EXPANSION_POINT_LOCATION. (module_state::note_location): Update for renaming of field. (module_state::write_macro_maps): Likewise. 2023-10-27 Patrick Palka PR c++/111929 * init.cc (build_new_1): Remove unnecessary call to convert on 'nelts'. Use build2 instead of fold_build2 for 'outer_nelts_checks'. 2023-10-27 Patrick Palka * cp-tree.h (maybe_warn_unparenthesized_assignment): Declare. * semantics.cc (is_assignment_op_expr_p): Generalize to return true for any assignment operator expression, not just one that has been resolved to an operator overload. (maybe_warn_unparenthesized_assignment): Factored out from ... (maybe_convert_cond): ... here. (finish_parenthesized_expr): Mention maybe_warn_unparenthesized_assignment. * typeck.cc (convert_for_assignment): Replace -Wparentheses warning logic with maybe_warn_unparenthesized_assignment. 2023-10-27 Lewis Hyatt PR preprocessor/87299 * parser.cc (cp_lexer_new_main): Call c_reset_target_pragmas () after preprocessing is complete, before starting compilation. 2023-10-26 liuhongt * typeck.cc (build_vec_cmp): Pass type of arg0 to truth_type_for. 2023-10-25 Jason Merrill * cp-tree.def: Improve OFFSET_REF comment. * cp-gimplify.cc (cp_fold_immediate): Add to comment. 2023-10-25 Thomas Schwinge * parser.cc (cp_parser_omp_clause_name): Return 'PRAGMA_OACC_CLAUSE_SELF' for "self". (cp_parser_oacc_data_clause, OACC_UPDATE_CLAUSE_MASK): Adjust. (cp_parser_oacc_all_clauses): Remove 'bool compute_p' formal parameter, and instead locally determine whether we're called for an OpenACC compute construct or OpenACC 'update' directive. (cp_parser_oacc_compute): Adjust. 2023-10-25 Chung-Lin Tang * parser.cc (cp_parser_oacc_compute_clause_self): New function. (cp_parser_oacc_all_clauses): Add new 'bool compute_p = false' parameter, add parsing of self clause when compute_p is true. (OACC_KERNELS_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_SELF. (OACC_PARALLEL_CLAUSE_MASK): Likewise, (OACC_SERIAL_CLAUSE_MASK): Likewise. (cp_parser_oacc_compute): Adjust call to c_parser_oacc_all_clauses to set compute_p argument to true. * pt.cc (tsubst_omp_clauses): Add OMP_CLAUSE_SELF case. * semantics.cc (c_finish_omp_clauses): Add OMP_CLAUSE_SELF case, merged with OMP_CLAUSE_IF case. 2023-10-25 Marek Polacek PR c++/111895 * typeck.cc (build_static_cast_1): Call decay_conversion. 2023-10-24 Patrick Palka PR c++/111929 * init.cc (build_new_1): Use convert, build2, build3 and cp_fully_fold instead of fold_convert, size_binop and fold_build3 when building up 'size'. 2023-10-24 Patrick Palka PR c++/111919 * tree.cc (cp_stabilize_reference): Do nothing when processing_template_decl. 2023-10-22 Patrick Palka PR objc++/111920 * pt.cc (tsubst_expr) : Use tsubst instead of tsubst_expr. 2023-10-20 Jason Merrill * call.cc (implicit_conversion_1): Rename... (implicit_conversion): ...to this. Remove the old wrapper. 2023-10-20 Jason Merrill * call.cc (tourney): Only skip champ_compared_to_predecessor. 2023-10-20 Nathan Sidwell PR c++/105322 * module.cc (trees_out::core_vals): Stream CONSTRUCTOR operands after the type. (trees_in::core_vals): Likewise. 2023-10-20 Patrick Palka * cp-lang.cc (objcp_tsubst_copy_and_build): Rename to ... (objcp_tsubst_expr): ... this. * cp-objcp-common.h (objcp_tsubst_copy_and_build): Rename to ... (objcp_tsubst_expr): ... this. * cp-tree.h (tsubst_copy_and_build): Remove declaration. * init.cc (maybe_instantiate_nsdmi_init): Use tsubst_expr instead of tsubst_copy_and_build. * pt.cc (expand_integer_pack): Likewise. (instantiate_non_dependent_expr_internal): Likewise. (instantiate_class_template): Use tsubst_stmt instead of tsubst_expr for STATIC_ASSERT. (tsubst_function_decl): Adjust tsubst_copy_and_build uses. (tsubst_arg_types): Likewise. (tsubst_exception_specification): Likewise. (tsubst_tree_list): Likewise. (tsubst): Likewise. (tsubst_name): Likewise. (tsubst_omp_clause_decl): Use tsubst_stmt instead of tsubst_expr. (tsubst_omp_clauses): Likewise. (tsubst_copy_asm_operands): Adjust tsubst_copy_and_build use. (tsubst_omp_for_iterator): Use tsubst_stmt instead of tsubst_expr. (tsubst_expr): Rename to ... (tsubst_stmt): ... this. : Move to tsubst_expr. (tsubst_omp_udr): Use tsubst_stmt instead of tsubst_expr. (tsubst_non_call_postfix_expression): Adjust tsubst_copy_and_build use. (tsubst_lambda_expr): Likewise. Use tsubst_stmt instead of tsubst_expr for the body of a lambda. (tsubst_copy_and_build_call_args): Rename to ... (tsubst_call_args): ... this. Adjust tsubst_copy_and_build use. (tsubst_copy_and_build): Rename to tsubst_expr. Adjust tsubst_copy_and_build and tsubst_copy_and_build_call_args use. : Use tsubst_stmt instead of tsubst_expr. (maybe_instantiate_noexcept): Adjust tsubst_copy_and_build use. (instantiate_body): Use tsubst_stmt instead of tsubst_expr for substituting the function body. (tsubst_initializer_list): Adjust tsubst_copy_and_build use. 2023-10-20 Patrick Palka * cp-tree.h (enum tsubst_flags): Add tf_no_name_lookup. * pt.cc (tsubst_pack_expansion): Use tsubst for substituting BASES_TYPE. (tsubst_decl) : Use tsubst_name instead of tsubst_copy. (tsubst) : Use tsubst_copy_and_build instead of tsubst_copy for substituting CLASS_PLACEHOLDER_TEMPLATE. : Use tsubst_name instead of tsubst_copy for substituting TYPENAME_TYPE_FULLNAME. (tsubst_name): Define. (tsubst_qualified_id): Use tsubst_name instead of tsubst_copy for substituting the component name of a SCOPE_REF. (tsubst_copy): Remove. (tsubst_copy_and_build): Clear tf_no_name_lookup at the start, and remember if it was set. Call maybe_dependent_member_ref if tf_no_name_lookup was not set. : Don't do name lookup if tf_no_name_lookup was set. : If tf_no_name_lookup was set, use tsubst_name instead of tsubst_copy_and_build to substitute the template and don't finish the template-id. : Handle identifier and type operand (if tf_no_name_lookup was set). : Avoid trying to resolve a SCOPE_REF if tf_no_name_lookup was set by calling build_qualified_name directly instead of tsubst_qualified_id. : Handling of sizeof... copied from tsubst_copy. : Use tsubst_name instead of tsubst_copy to substitute a TEMPLATE_ID_EXPR callee naming an unresolved template. : Likewise to substitute the member. : Copied from tsubst_copy and merged with ... : ... these. Initial handling copied from tsubst_copy. Optimize local variable substitution by trying retrieve_local_specialization before checking uses_template_parms. : Copied from tsubst_copy. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Likewise. : Use tsubst and tsubst_copy_and_build instead of tsubst_copy. : Copied from tsubst_copy. (tsubst_initializer_list): Use tsubst and tsubst_copy_and_build instead of tsubst_copy. 2023-10-20 Patrick Palka PR c++/106086 * parser.cc (cp_parser_postfix_expression): Consolidate three calls to finish_call_expr, one to build_new_method_call and one to build_min_nt_call_vec into one call to finish_call_expr. Don't call maybe_generic_this_capture here. * pt.cc (tsubst_copy_and_build) : Remove COMPONENT_REF callee handling. (type_dependent_expression_p): Use t_d_object_e_p instead of t_d_e_p for COMPONENT_REF and OFFSET_REF. * semantics.cc (finish_call_expr): In the type-dependent case, call maybe_generic_this_capture here instead. 2023-10-20 Patrick Palka * call.cc (build_new_method_call): Remove calls to build_non_dependent_expr and/or make_args_non_dependent. * coroutines.cc (finish_co_return_stmt): Likewise. * cp-tree.h (build_non_dependent_expr): Remove. (make_args_non_dependent): Remove. * decl2.cc (grok_array_decl): Remove calls to build_non_dependent_expr and/or make_args_non_dependent. (build_offset_ref_call_from_tree): Likewise. * init.cc (build_new): Likewise. * pt.cc (make_args_non_dependent): Remove. (test_build_non_dependent_expr): Remove. (cp_pt_cc_tests): Adjust. * semantics.cc (finish_expr_stmt): Remove calls to build_non_dependent_expr and/or make_args_non_dependent. (finish_for_expr): Likewise. (finish_call_expr): Likewise. (finish_omp_atomic): Likewise. * typeck.cc (finish_class_member_access_expr): Likewise. (build_x_indirect_ref): Likewise. (build_x_binary_op): Likewise. (build_x_array_ref): Likewise. (build_x_vec_perm_expr): Likewise. (build_x_shufflevector): Likewise. (build_x_unary_op): Likewise. (cp_build_addressof): Likewise. (build_x_conditional_expr): Likewise. (build_x_compound_expr): Likewise. (build_static_cast): Likewise. (build_x_modify_expr): Likewise. (check_return_expr): Likewise. * typeck2.cc (build_x_arrow): Likewise. 2023-10-20 Patrick Palka * class.cc (instantiate_type): Remove NON_DEPENDENT_EXPR handling. * constexpr.cc (cxx_eval_constant_expression): Likewise. (potential_constant_expression_1): Likewise. * coroutines.cc (coro_validate_builtin_call): Don't expect ALIGNOF_EXPR to be wrapped in NON_DEPENDENT_EXPR. * cp-objcp-common.cc (cp_common_init_ts): Remove NON_DEPENDENT_EXPR handling. * cp-tree.def (NON_DEPENDENT_EXPR): Remove. * cp-tree.h (build_non_dependent_expr): Temporarily redefine as the identity function. * cvt.cc (maybe_warn_nodiscard): Handle type-dependent and variable callee of CALL_EXPR. * cxx-pretty-print.cc (cxx_pretty_printer::expression): Remove NON_DEPENDENT_EXPR handling. * error.cc (dump_decl): Likewise. (dump_expr): Likewise. * expr.cc (mark_use): Likewise. (mark_exp_read): Likewise. * pt.cc (build_non_dependent_expr): Remove. * tree.cc (lvalue_kind): Remove NON_DEPENDENT_EXPR handling. (cp_stabilize_reference): Likewise. * typeck.cc (warn_for_null_address): Likewise. (cp_build_binary_op): Handle type-dependent SIZEOF_EXPR operands. (cp_build_unary_op) : Don't fold inside a template. 2023-10-20 Alexandre Oliva * decl.cc (push_throw_library_fn): Mark with ECF_XTHROW. * except.cc (build_throw): Likewise __cxa_throw, _ITM_cxa_throw, __cxa_rethrow. 2023-10-20 Nathaniel Shead PR c++/101631 PR c++/102286 * call.cc (build_over_call): Fold more indirect refs for trivial assignment op. * class.cc (type_has_non_deleted_trivial_default_ctor): Create. * constexpr.cc (cxx_eval_call_expression): Start lifetime of union member before entering constructor. (cxx_eval_component_reference): Check against first member of value-initialised union. (cxx_eval_store_expression): Activate member for value-initialised union. Check for accessing inactive union member indirectly. * cp-tree.h (type_has_non_deleted_trivial_default_ctor): Forward declare. 2023-10-20 Nathaniel Shead * constexpr.cc (is_std_source_location_current): New. (cxx_eval_constant_expression): Only ignore cast from void* for specific cases and improve other diagnostics. 2023-10-19 Marek Polacek * cp-gimplify.cc (cp_fold_r): Don't call maybe_constant_value. 2023-10-19 Jason Merrill * typeck2.cc (check_narrowing): Adjust. 2023-10-19 Jason Merrill * parser.cc (cp_parser_primary_expression): Use G_. (cp_parser_using_enum): Likewise. * decl.cc (identify_goto): Likewise. 2023-10-18 Jason Merrill * typeck2.cc (check_narrowing): Use permerror. 2023-10-17 Marek Polacek PR c++/111840 * parser.cc (cp_parser_simple_declaration): Do cp_parser_error for FUNCTION_DECLs. 2023-10-17 Marek Polacek PR c++/111660 * cp-gimplify.cc (cp_fold_immediate_r) : Don't handle it here. (cp_fold_r): Handle COND_EXPR here. 2023-10-17 Jason Merrill * mangle.cc (abi_check): New. (write_prefix, write_unqualified_name, write_discriminator) (write_type, write_member_name, write_expression) (write_template_arg, write_template_param): Use it. (start_mangling): Assign from {}. * cp-tree.h: Update comment. 2023-10-17 Nathaniel Shead * constexpr.cc (cxx_eval_dynamic_cast_fn): Add missing auto_diagnostic_group. (cxx_eval_call_expression): Likewise. (diag_array_subscript): Likewise. (outside_lifetime_error): Likewise. (potential_constant_expression_1): Likewise. 2023-10-16 Jason Merrill * parser.cc (cp_parser_fold_expression): Track location range. * semantics.cc (finish_unary_fold_expr) (finish_left_unary_fold_expr, finish_right_unary_fold_expr) (finish_binary_fold_expr): Add location parm. * constraint.cc (finish_shorthand_constraint): Pass it. * pt.cc (convert_generic_types_to_packs): Likewise. * cp-tree.h: Adjust. 2023-10-16 Marek Polacek PR c++/111272 * constexpr.cc (explain_invalid_constexpr_fn): Also check the body of a constructor in C++14 and up. 2023-10-14 Jakub Jelinek PR c/102989 * module.cc (trees_out::start, trees_in::start): Remove TREE_INT_CST_OFFSET_NUNITS handling. 2023-10-10 Jason Merrill PR c++/109422 * mangle.cc (write_template_param): Also mangle level. 2023-10-08 David Malcolm * module.cc (module_state::read_location): Update for renaming of get_combined_adhoc_loc. 2023-10-03 David Malcolm * error.cc (print_instantiation_partial_context_line): Call diagnostic_show_locus. 2023-10-03 David Malcolm * error.cc: Update for "m_" prefixes to text_info fields. 2023-09-30 Eugene Rozenfeld * Make-lang.in: Make create_fdas_for_cc1plus target not .PHONY 2023-09-28 Richard Sandiford * constexpr.cc (cxx_fold_indirect_ref): Remove unused variables. 2023-09-22 Jason Merrill PR c++/111357 * pt.cc (expand_integer_pack): Use IMPLICIT_CONV_EXPR. 2023-09-22 Jason Merrill * constexpr.cc (free_constructor): Handle null ce->value. 2023-09-22 Jason Merrill PR c++/111529 * parser.cc (cp_parser_lambda_declarator_opt): Don't suggest -std=c++14 for lambda templates. * pt.cc (tsubst_expr): Move ANNOTATE_EXPR handling... (tsubst_copy_and_build): ...here. 2023-09-22 Patrick Palka PR c++/111493 * decl2.cc (grok_array_decl): Guard diagnostic and backward compatibility fallback code paths with tf_error. 2023-09-22 Patrick Palka PR c++/111485 * pt.cc (is_compatible_template_arg): New parameter 'args'. Add the outer template arguments 'args' to 'new_args'. (convert_template_argument): Pass 'args' to is_compatible_template_arg. 2023-09-20 Jakub Jelinek * parser.cc (cp_parser_postfix_expression): Parse __builtin_classify_type call with typename as argument. * pt.cc (tsubst_copy_and_build): Handle __builtin_classify_type with dependent typename as argument. 2023-09-20 Patrick Palka PR c++/111471 * cxx-pretty-print.cc (cxx_pretty_printer::expression) : Handle class NTTP objects by printing their type and value. : Strip const VIEW_CONVERT_EXPR wrappers for class NTTPs. (pp_cxx_template_argument_list): Don't handle class NTTP objects here. 2023-09-20 Patrick Palka * pt.cc (tsubst_function_decl): Don't bother computing 'argvec' when 'lambda_fntype' is set. (tsubst_template_decl): Make sure we return a TEMPLATE_DECL during specialization lookup. In the non-class non-function template case, use tsubst_decl directly with use_spec_table=false, update DECL_TI_ARGS and call register_specialization like tsubst_decl would have done if use_spec_table=true. 2023-09-20 Jakub Jelinek PR c++/111392 * parser.h (struct cp_lexer): Add in_omp_decl_attribute member. * cp-tree.h (cp_maybe_parse_omp_decl): Declare. * parser.cc (cp_parser_handle_statement_omp_attributes): Diagnose omp::decl attribute on statements. Adjust diagnostic wording for omp::decl. (cp_parser_omp_directive_args): Add DECL_P argument, set TREE_PUBLIC to it on the DEFERRED_PARSE tree. (cp_parser_omp_sequence_args): Adjust caller. (cp_parser_std_attribute): Handle omp::decl attribute. (cp_parser_omp_var_list): If parser->lexer->in_omp_decl_attribute don't expect any arguments, instead create clause or TREE_LIST for that decl. (cp_parser_late_parsing_omp_declare_simd): Adjust diagnostic wording for omp::decl. (cp_maybe_parse_omp_decl): New function. (cp_parser_omp_declare_target): If parser->lexer->in_omp_decl_attribute and first token isn't name or comma invoke cp_parser_omp_var_list. * decl2.cc (cplus_decl_attributes): Adjust diagnostic wording for omp::decl. Handle omp::decl on declarations. * name-lookup.cc (finish_using_directive): Adjust diagnostic wording for omp::decl. 2023-09-19 Ben Boeckel * mapper-client.cc, mapper-client.h (open_module_client): Accept dependency tracking and track module mapper files as dependencies. * module.cc (make_mapper, get_mapper): Pass the dependency tracking class down. 2023-09-19 Ben Boeckel * module.cc (do_import): Report imported CMI files as dependencies. 2023-09-19 Ben Boeckel * module.cc (preprocessed_module): Pass whether the module is exported to dependency tracking. 2023-09-19 Javier Martinez * class.cc (propagate_class_warmth_attribute): New function. (check_bases_and_members): propagate hot and cold attributes to all FUNCTION_DECL when the record is marked hot or cold. * cp-tree.h (maybe_propagate_warmth_attributes): New function. * decl2.cc (maybe_propagate_warmth_attributes): New function. * method.cc (lazily_declare_fn): propagate hot and cold attributes to lazily declared functions when the record is marked hot or cold. 2023-09-19 Patrick Palka * ptree.cc (cxx_print_type): Remove TYPE_LANG_SPECIFIC test guarding TYPE_TEMPLATE_INFO. 2023-09-19 Jason Merrill DR 2799 * class.cc (add_implicit_default_ctor): Split out... (add_implicitly_declared_members): ...from here. Also call it when inheriting a default ctor. 2023-09-19 Marek Polacek * call.cc (build_over_call): Set ADDR_EXPR_DENOTES_CALL_P. Don't handle immediate_invocation_p here. * constexpr.cc (cxx_eval_call_expression): Use mce_true for DECL_IMMEDIATE_FUNCTION_P. (cxx_eval_conditional_expression): Call cp_fold_immediate. * cp-gimplify.cc (enum fold_flags): Add ff_fold_immediate. (maybe_replace_decl): Make static. (cp_fold_r): Expand immediate invocations. (cp_fold_immediate_r): New. (cp_fold_immediate): New. * cp-tree.h (ADDR_EXPR_DENOTES_CALL_P): Define. (cp_fold_immediate): Declare. * tree.cc (bot_replace): Don't handle immediate invocations here. 2023-09-19 Patrick Palka PR c++/111419 * cvt.cc (convert_to_void) : Only call complete_type if the type is volatile. : Likewise. 2023-09-19 Patrick Palka PR c++/99631 * semantics.cc (finish_decltype_type): For an NTTP object, return its type modulo cv-quals. 2023-09-18 Patrick Palka PR c++/89231 * pt.cc (try_class_unification): Strengthen TI_TEMPLATE equality test by not calling most_general_template. Only unify the innermost levels of template arguments. (unify) : Only unify the innermost levels of template arguments, and only if the template is primary. 2023-09-18 Patrick Palka PR c++/63198 PR c++/18474 * semantics.cc (maybe_convert_cond): Look through implicit INDIRECT_REF when deciding whether to issue a -Wparentheses warning, and consider templated assignment expressions as well. (finish_parenthesized_expr): Look through implicit INDIRECT_REF when suppressing -Wparentheses warning. * typeck.cc (build_x_modify_expr): Check simple assignments ahead time too, not just compound assignments. Give the second operand of MODOP_EXPR a non-null type so that it's not considered always instantiation-dependent. Don't call suppress_warning. 2023-09-18 Patrick Palka PR c++/108347 * pt.cc (unify): Return unify_success for identical dependent DECL_P 'arg' and 'parm'. : Remove handling. 2023-09-18 Patrick Palka * call.cc (add_template_candidate_real): Check arity even when there are no explicit template arguments. Combine the two adjacent '!obj' tests into one. 2023-09-18 Patrick Palka * pt.cc (register_specialization): Remove now-unnecessary early exit for FUNCTION_DECL partial instantiation. (tsubst_template_decl): Pass use_spec_table=false to tsubst_function_decl. Set DECL_TI_ARGS of a non-lambda FUNCTION_DECL specialization to the full set of arguments. Simplify register_specialization call accordingly. 2023-09-18 Jason Merrill * class.cc (check_subobject_offset): Use similar_type_p. 2023-09-12 Jason Merrill PR c++/111357 * pt.cc (expand_integer_pack): Convert argument to int. 2023-09-12 Jason Merrill PR c++/107198 * typeck2.cc (process_init_constructor_array): Use VEC_INIT_EXPR regardless of seen_error. 2023-09-08 Patrick Palka PR c++/99599 * pt.cc (check_non_deducible_conversions): Add bool parameter passed down to check_non_deducible_conversion. (fn_type_unification): Call check_non_deducible_conversions an extra time before satisfaction with noninst_only_p=true. (conversion_may_instantiate_p): Define. (check_non_deducible_conversion): Add bool parameter controlling whether to compute only conversions that are guaranteed to not induce template instantiation. 2023-09-07 Sandra Loosemore PR c++/111274 * parser.cc (fixup_blocks_walker): Check for null BIND_EXPR_BLOCK. 2023-09-06 Jason Merrill * class.cc (check_subobject_offset): Check same_type_ignoring_top_level_qualifiers_p. 2023-09-05 Marek Polacek PR c++/91483 * constexpr.cc (verify_constant_explain_r): New. (verify_constant): Call it. 2023-09-05 Jakub Jelinek PR c++/52953 * name-lookup.cc (check_local_shadow): Don't punt early for DECL_EXTERNAL decls, instead just disable the shadowing of namespace decls check for those and emit a pedwarn rather than error_at or permerror for those. Formatting fix. 2023-09-05 Jakub Jelinek PR c++/52953 * name-lookup.h (struct cp_binding_level): Add artificial bit-field. Formatting fixes. * name-lookup.cc (check_local_shadow): Skip artificial bindings when checking if parameter scope is parent scope. Don't special case FUNCTION_NEEDS_BODY_BLOCK. Diagnose the in_function_try_handler cases in the b->kind == sk_function_parms test and verify no non-artificial intervening scopes. Add missing auto_diagnostic_group. * decl.cc (begin_function_body): Set current_binding_level->artificial. * semantics.cc (begin_function_try_block): Likewise. 2023-09-05 Patrick Palka * parser.cc (cp_parser_parenthesized_expression_list_elt): Pass nullptr as non_constant_p to cp_parser_braced_list if our non_constant_p is null. (cp_parser_initializer_list): Likewise to cp_parser_initializer_clause. Avoid inspecting clause_non_constant_p if it's uninitialized. 2023-09-05 Patrick Palka * call.cc (build_user_type_conversion): Free allocated conversions. (build_converted_constant_expr_internal): Use conversion_obstack_sentinel instead. (perform_dguide_overload_resolution): Likewise. (build_new_function_call): Likewise. (build_operator_new_call): Free allocated conversions. (build_op_call): Use conversion_obstack_sentinel instead. (build_conditional_expr): Use conversion_obstack_sentinel instead, and hoist it out to the outermost scope. (build_new_op): Use conversion_obstack_sentinel instead and set it up before the first goto. Remove second unneeded goto. (build_op_subscript): Use conversion_obstack_sentinel instead. (ref_conv_binds_to_temporary): Likewise. (build_new_method_call): Likewise. (can_convert_arg): Likewise. (can_convert_arg_bad): Likewise. (perform_implicit_conversion_flags): Likewise. (perform_direct_initialization_if_possible): Likewise. (initialize_reference): Likewise. 2023-09-01 Jakub Jelinek PR c++/111069 * cp-tree.h (determine_local_discriminator): Add NAME argument with NULL_TREE default. (struct cp_decomp): New type. (cp_finish_decl): Add DECOMP argument defaulted to nullptr. (cp_maybe_mangle_decomp): Remove declaration. (cp_finish_decomp): Add cp_decomp * argument, remove tree and unsigned args. (cp_convert_range_for): Likewise. * decl.cc (determine_local_discriminator): Add NAME argument, use it if non-NULL, otherwise compute it the old way. (maybe_commonize_var): Don't return early for structured bindings. (cp_finish_decl): Add DECOMP argument, if non-NULL, call cp_maybe_mangle_decomp. (cp_maybe_mangle_decomp): Make it static with a forward declaration. Call determine_local_discriminator. Replace FIRST and COUNT arguments with DECOMP argument. (cp_finish_decomp): Replace FIRST and COUNT arguments with DECOMP argument. * mangle.cc (find_decomp_unqualified_name): Remove. (write_unqualified_name): Don't call find_decomp_unqualified_name. (mangle_decomp): Handle mangling of static function/block scope structured bindings. Don't call decl_mangling_context twice. Call check_abi_tags, call write_abi_tags for abi version >= 19 and emit -Wabi warnings if needed. (write_guarded_var_name): Handle structured bindings. (mangle_ref_init_variable): Use write_guarded_var_name. * parser.cc (cp_parser_range_for): Adjust do_range_for_auto_deduction and cp_convert_range_for callers. (do_range_for_auto_deduction): Replace DECOMP_FIRST_NAME and DECOMP_CNT arguments with DECOMP. Adjust cp_finish_decomp caller. (cp_convert_range_for): Replace DECOMP_FIRST_NAME and DECOMP_CNT arguments with DECOMP. Don't call cp_maybe_mangle_decomp, adjust cp_finish_decl and cp_finish_decomp callers. (cp_parser_decomposition_declaration): Don't call cp_maybe_mangle_decomp, adjust cp_finish_decl and cp_finish_decomp callers. (cp_convert_omp_range_for): Adjust do_range_for_auto_deduction and cp_finish_decomp callers. (cp_finish_omp_range_for): Don't call cp_maybe_mangle_decomp, adjust cp_finish_decl and cp_finish_decomp callers. * pt.cc (tsubst_omp_for_iterator): Adjust tsubst_decomp_names caller. (tsubst_decomp_names): Replace FIRST and CNT arguments with DECOMP. (tsubst_expr): Don't call cp_maybe_mangle_decomp, adjust tsubst_decomp_names, cp_finish_decl, cp_finish_decomp and cp_convert_range_for callers. 2023-08-30 Marek Polacek PR c++/91319 * parser.cc (cp_parser_initializer_list): Set CONSTRUCTOR_IS_DIRECT_INIT when the designated initializer is of the .x{} form. 2023-08-30 Marek Polacek PR c++/111173 * decl.cc (grokdeclarator): Disallow constinit on functions. 2023-08-29 Marek Polacek * call.cc (convert_like_internal): Show where the conversion function was declared. (maybe_show_nonconverting_candidate): New. * cp-tree.h (maybe_show_nonconverting_candidate): Declare. * typeck.cc (convert_for_assignment): Call it. 2023-08-25 Sandra Loosemore * cp-tree.h (cp_convert_omp_range_for): Adjust declaration. * parser.cc (struct omp_for_parse_data): New. (cp_parser_postfix_expression): Diagnose calls to OpenMP runtime in intervening code. (check_omp_intervening_code): New. (cp_parser_statement_seq_opt): Special-case nested loops, blocks, and other constructs for OpenMP loops. (cp_parser_iteration_statement): Reject loops in intervening code. (cp_parser_omp_for_loop_init): Expand comments and tweak the interface slightly to better distinguish input/output parameters. (cp_convert_omp_range_for): Likewise. (cp_parser_omp_loop_nest): New, split from cp_parser_omp_for_loop and largely rewritten. Add more comments. (insert_structured_blocks): New. (find_structured_blocks): New. (struct sit_data, substitute_in_tree_walker, substitute_in_tree): New. (fixup_blocks_walker): New. (cp_parser_omp_for_loop): Rewrite to use recursive descent instead of a loop. Add logic to reshuffle the bits of code collected during parsing so intervening code gets moved to the loop body. (cp_parser_omp_loop): Remove call to finish_omp_for_block, which is now redundant. (cp_parser_omp_simd): Likewise. (cp_parser_omp_for): Likewise. (cp_parser_omp_distribute): Likewise. (cp_parser_oacc_loop): Likewise. (cp_parser_omp_taskloop): Likewise. (cp_parser_pragma): Reject OpenMP pragmas in intervening code. * parser.h (struct cp_parser): Add omp_for_parse_state field. * pt.cc (tsubst_omp_for_iterator): Adjust call to cp_convert_omp_range_for. * semantics.cc (finish_omp_for): Try harder to preserve location of loop variable init expression for use in diagnostics. (struct fofb_data, finish_omp_for_block_walker): New. (finish_omp_for_block): Allow variables to be bound in a BIND_EXPR nested inside BIND instead of directly in BIND itself. 2023-08-25 Sandra Loosemore * constexpr.cc (cxx_eval_constant_expression): Handle OMP_STRUCTURED_BLOCK. * pt.cc (tsubst_expr): Likewise. 2023-08-25 Uros Bizjak * call.cc (build_conditional_expr): Rename TRUE/FALSE to true/false. (build_new_op): Ditto. 2023-08-22 Jason Merrill * pt.cc (outer_template_args): Handle non-template argument. * constraint.cc (maybe_substitute_reqs_for): Pass decl to it. * cp-tree.h (outer_template_args): Adjust. 2023-08-22 Jason Merrill PR c++/109751 * cp-tree.h (member_like_constrained_friend_p): Declare. * decl.cc (member_like_constrained_friend_p): New. (function_requirements_equivalent_p): Check it. (duplicate_decls): Check it. (grokfndecl): Check friend template constraints. * mangle.cc (decl_mangling_context): Check it. (write_unqualified_name): Check it. * pt.cc (uses_outer_template_parms_in_constraints): Fix for friends. (tsubst_friend_function): Don't check satisfaction. 2023-08-22 Tobias Burnus * parser.cc (cp_parser_omp_clause_defaultmap): Parse 'all' as category. 2023-08-15 Chung-Lin Tang Thomas Schwinge * parser.cc (OACC_DATA_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT. 2023-08-14 gnaggnoyil DR 2386 PR c++/110216 * decl.cc (get_tuple_size): Update implementation for DR 2386. 2023-08-14 Jason Merrill * parser.cc (cp_parser_simple_type_specifier): Handle -std=c++14 -fconcepts. 2023-08-12 Patrick Palka Jason Merrill PR c++/106604 * decl.cc (redeclaration_error_message): Remove special handling for deduction guides. (grokfndecl): Give deduction guides a dummy DECL_INITIAL. 2023-08-11 Patrick Palka PR c++/110927 * parser.cc (cp_parser_type_requirement): Pass check_dependency_p=true instead of =false. 2023-08-11 Patrick Palka PR c++/71954 * decl.cc (grokdeclarator): Pass 'dname' instead of 'unqualified_id' as the name when building the VAR_DECL for a static data member. Call check_explicit_specialization for a TEMPLATE_ID_EXPR such member. * pt.cc (finish_member_template_decl): Return NULL_TREE instead of 'decl' when DECL_TEMPLATE_SPECIALIZATION is not set. 2023-08-11 Patrick Palka * ptree.cc (cxx_print_decl): Check for DECL_LANG_SPECIFIC and TS_DECL_COMMON only when necessary. Print DECL_TEMPLATE_INFO for all decls that have it, not just VAR_DECL or FUNCTION_DECL. Also print DECL_USE_TEMPLATE. (cxx_print_type): Print TYPE_TEMPLATE_INFO. : Don't print TYPE_TI_ARGS anymore. : Print TEMPLATE_TYPE_PARM_INDEX instead of printing the index, level and original level individually. 2023-08-08 Marek Polacek * parser.cc (cp_parser_postfix_expression): Adjust the call to cp_parser_braced_list. (cp_parser_postfix_open_square_expression): Likewise. (cp_parser_new_initializer): Likewise. (cp_parser_assignment_expression): Adjust the call to cp_parser_initializer_clause. (cp_parser_lambda_introducer): Adjust the call to cp_parser_initializer. (cp_parser_range_for): Adjust the call to cp_parser_braced_list. (cp_parser_jump_statement): Likewise. (cp_parser_mem_initializer): Likewise. (cp_parser_template_argument): Likewise. (cp_parser_default_argument): Adjust the call to cp_parser_initializer. (cp_parser_initializer): Handle null is_direct_init and non_constant_p arguments. (cp_parser_initializer_clause): Handle null non_constant_p argument. (cp_parser_braced_list): Likewise. (cp_parser_initializer_list): Likewise. (cp_parser_member_declaration): Adjust the call to cp_parser_initializer_clause and cp_parser_initializer. (cp_parser_yield_expression): Adjust the call to cp_parser_braced_list. (cp_parser_functional_cast): Likewise. (cp_parser_late_parse_one_default_arg): Adjust the call to cp_parser_initializer. (cp_parser_omp_for_loop_init): Likewise. (cp_parser_omp_declare_reduction_exprs): Likewise. 2023-08-08 Nathaniel Shead PR c++/100482 * parser.cc (cp_parser_decltype_expr): Report errors raised by finish_id_expression. 2023-08-04 Tamar Christina * cp-tree.h (RANGE_FOR_NOVECTOR): New. (cp_convert_range_for, finish_while_stmt_cond, finish_do_stmt, finish_for_cond): Add novector param. * init.cc (build_vec_init): Default novector to false. * method.cc (build_comparison_op): Likewise. * parser.cc (cp_parser_statement): Likewise. (cp_parser_for, cp_parser_c_for, cp_parser_range_for, cp_convert_range_for, cp_parser_iteration_statement, cp_parser_omp_for_loop, cp_parser_pragma): Support novector. (cp_parser_pragma_novector): New. * pt.cc (tsubst_expr): Likewise. * semantics.cc (finish_while_stmt_cond, finish_do_stmt, finish_for_cond): Likewise. 2023-08-01 Lewis Hyatt * parser.cc (c_init_preprocess): New function. (maybe_read_tokens_for_pragma_lex): New function. (pragma_lex): Support preprocess-only mode. (pragma_lex_discard_to_eol): New function. 2023-07-31 Chung-Lin Tang * parser.cc (cp_parser_oacc_host_data): Add checking requiring OpenACC host_data construct to have an use_device clause. 2023-07-28 Ng YongXiang PR c++/110057 PR ipa/83054 * init.cc (build_vec_delete_1): Devirtualize array destruction. 2023-07-27 Patrick Palka PR c++/110197 * constexpr.cc (cxx_eval_array_reference): Allow synthesizing an empty subobject even if CONSTRUCTOR_NO_CLEARING is set. (cxx_eval_bare_aggregate): Set 'no_slot' to true more generally whenever new_ctx.ctor is set to NULL_TREE by init_subob_ctx, i.e. whenever initializing an subobject of empty type. (cxx_eval_vec_init_1): Define 'no_slot' as above and use it accordingly. 2023-07-27 Nathaniel Shead PR c++/103497 * pt.cc (type_uses_auto): Check inside parameter packs. 2023-07-26 Patrick Palka PR c++/110566 PR c++/108179 * pt.cc (reduce_template_parm_level): Set DECL_TEMPLATE_INFO on the DECL_TEMPLATE_RESULT of the new ttp. (add_defaults_to_ttp): Make a copy of the original ttp's DECL_TEMPLATE_RESULT, and update this copy's DECL_TEMPLATE_INFO as well. (coerce_template_template_parms): Make sure 'scope_args' has the right amount of levels for the ttp argument. (most_general_template): Handle template template parameters. (rewrite_template_parm): Set DECL_TEMPLATE_RESULT on the DECL_TEMPLATE_RESULT of the new ttp. 2023-07-26 Patrick Palka PR c++/110566 PR c++/108179 * pt.cc (coerce_template_template_parms): Simplify by using DECL_INNERMOST_TEMPLATE_PARMS and removing redundant asserts. Always pass the parameters of the most general template to coerce_template_parms. 2023-07-26 Patrick Palka PR c++/110809 * pt.cc (unify) : Generalize to handle REAL_CST as well. 2023-07-26 Marek Polacek * parser.cc (cp_parser_constant_expression): Allow non_constant_p to be nullptr even when allow_non_constant_p is true. Don't call _rvalue_constant_expression when not necessary. Move local variable declarations closer to their first use. (cp_parser_static_assert): Don't pass a dummy down to cp_parser_constant_expression. 2023-07-26 Jason Merrill PR c++/106310 * parser.cc (cp_parser_template_name): Skip non-member lookup after the template keyword. (cp_parser_lookup_name): Pass down template_keyword_p. 2023-07-26 Nathaniel Shead PR c++/96630 PR c++/98675 PR c++/70331 * constexpr.cc (constexpr_global_ctx::is_outside_lifetime): New function. (constexpr_global_ctx::get_value): Don't return expired values. (constexpr_global_ctx::get_value_ptr): Likewise. (constexpr_global_ctx::remove_value): Mark value outside lifetime. (outside_lifetime_error): New function. (cxx_eval_call_expression): No longer track save_exprs. (cxx_eval_loop_expr): Likewise. (cxx_eval_constant_expression): Add checks for outside lifetime values. Remove local variables at end of bind exprs, and temporaries after cleanup points. 2023-07-26 Nathaniel Shead PR c++/110619 * cp-gimplify.cc (cp_genericize_r): Transform RETURN_EXPRs to not return dangling pointers. * cp-tree.h (RETURN_EXPR_LOCAL_ADDR_P): New flag. (check_return_expr): Add a new parameter. * semantics.cc (finish_return_stmt): Set flag on RETURN_EXPR when referring to dangling pointer. * typeck.cc (check_return_expr): Disable transformation of dangling pointers, instead pass this information to caller. 2023-07-26 Nathaniel Shead * constexpr.cc (modifying_const_object_error): Find the source location of the const object's declaration. (cxx_eval_constant_expression): Update input_location to the location of the currently evaluated expression, if possible. 2023-07-25 Marek Polacek PR c++/108960 * pt.cc (lookup_and_finish_template_variable): Don't clear tf_partial here. (instantiate_template): Reset all complain flags except tf_warning_or_error. 2023-07-25 Marek Polacek PR c++/110382 * constexpr.cc (cxx_eval_array_reference): Create a new constructor only when we don't already have a matching one. Clear the object when the type is non-scalar. 2023-07-21 Marek Polacek PR c++/110106 * constexpr.cc (potential_constant_expression_1): Try to complete the type when !processing_template_decl. 2023-07-20 Marek Polacek PR c++/110114 * call.cc (implicit_conversion_1): Return early if the type isn't complete. 2023-07-19 Marek Polacek PR c++/110745 * error.cc (dump_simple_decl): Print base class name. 2023-07-19 Marek Polacek PR c++/110064 * typeck2.cc (process_init_constructor_record): Don't emit -Wmissing-field-initializers for empty classes. 2023-07-19 Patrick Palka * pt.cc (type_unification_real): Test for PARM_DECL instead of TEMPLATE_PARM_INDEX to distinguish a type vs non-type template parameter pack. (type_targs_deducible_from): Likewise. 2023-07-19 Patrick Palka * pt.cc (tsubst_function_decl): Add defaulted 'use_spec_table' flag parameter. Don't look up or insert into the specializations table if 'use_spec_table' is false. (tsubst_decl): Add defaulted 'use_spec_table' flag parameter. Check for error_mark_node. : Pass 'use_spec_table' to tsubst_function_decl. : Don't call coerce_template_parms. Don't look up or insert into the specializations table if 'use_spec_table' is false. Exit earlier if the substituted type is erroneous and we're not complaining, and do so for alias specializations as well. (instantiate_template): Pass false as 'use_spec_table' to tsubst_decl. Call register_specialization afterwards. 2023-07-18 Jason Merrill * constexpr.cc (cxx_eval_bit_cast): Check that the result of native_interpret_aggregate doesn't need more evaluation. 2023-07-18 Patrick Palka * call.cc (add_template_conv_candidate): Don't check for non-empty 'candidates' here. (build_op_call): Check it here, before we've considered any conversion functions. 2023-07-18 Patrick Palka PR c++/110535 * call.cc (add_conv_candidate): Check constraints. 2023-07-17 Jason Merrill * constexpr.cc (cxx_eval_call_expression): Only cache reduced_constant_expression_p results. (reduced_constant_expression_p): Handle CONSTRUCTOR of scalar type. (cxx_eval_constant_expression): Fold vectors here. (cxx_eval_bare_aggregate): Not here. 2023-07-15 Patrick Palka PR c++/110441 * call.cc (keep_unused_object_arg): Use cp_build_compound_expr instead of building a COMPOUND_EXPR directly. 2023-07-15 Patrick Palka PR c++/110524 * mangle.cc (write_expression): Handle TEMPLATE_ID_EXPR whose template is already an IDENTIFIER_NODE. 2023-07-14 Nathaniel Shead * constexpr.cc (cxx_eval_constant_expression): Pass t to get_value. 2023-07-14 Jason Merrill PR c++/110344 * constexpr.cc (cxx_eval_constant_expression): Move P2738 handling after heap handling. * name-lookup.cc (get_cxx_dialect_name): Add C++26. 2023-07-14 Marek Polacek Jason Merrill PR c++/109876 * decl.cc (cp_finish_decl): Set TREE_CONSTANT when initializing an object of empty class type. * pt.cc (value_dependent_expression_p) : Treat a constexpr-declared non-constant variable as value-dependent. 2023-07-11 Patrick Palka PR c++/110580 * pt.cc (lookup_template_variable): Pass all levels of arguments to coerce_template_parms, and use the parameters from the most general template. 2023-07-10 Patrick Palka PR c++/110523 * pt.cc (redeclare_class_template): Relax the ttp DECL_CONTEXT assert, and downgrade it to a checking assert. 2023-06-30 Patrick Palka * cp-tree.h (TEMPLATE_PARM_DESCENDANTS): Harden. (TEMPLATE_TYPE_DESCENDANTS): Define. (TEMPLATE_TEMPLATE_PARM_SIMPLE_P): Define. * pt.cc (reduce_template_parm_level): Revert r14-418-g0bc2a1dc327af9 change. (process_template_parm): Set TEMPLATE_TEMPLATE_PARM_SIMPLE_P appropriately. (uses_outer_template_parms): Determine the outer depth of a template template parm without relying on DECL_CONTEXT. (tsubst) : Cache lowering a simple template template parm. Consistently use 'code'. 2023-06-29 Patrick Palka PR c++/110468 * init.cc (maybe_instantiate_nsdmi_init): Mask out all tsubst flags except for tf_warning_or_error. 2023-06-29 Patrick Palka PR c++/110463 * cp-gimplify.cc (cp_fold) : Propagate CONSTRUCTOR_MUTABLE_POISON. 2023-06-29 Patrick Palka * cp-tree.h (tree_template_info::partial): New data member. (TI_PARTIAL_INFO): New tree accessor. (most_specialized_partial_spec): Add defaulted bool parameter. * module.cc (trees_out::core_vals) : Stream TI_PARTIAL_INFO. (trees_in::core_vals) : Likewise. * parser.cc (specialization_of): Adjust after making most_specialized_partial_spec return TEMPLATE_INFO instead of TREE_LIST. * pt.cc (process_partial_specialization): Set TI_PARTIAL_INFO of 'decl' to point back to the partial TEMPLATE_DECL. Likewise (and pass rechecking=true to most_specialization_partial_spec). (instantiate_class_template): Likewise. (instantiate_template): Set TI_PARTIAL_INFO to the result of most_specialization_partial_spec after forming a variable template specialization. (most_specialized_partial_spec): Add 'rechecking' parameter. Exit early if the template is not primary. Use the TI_PARTIAL_INFO of the corresponding TEMPLATE_INFO as a cache unless 'rechecking' is true. Don't bother setting TREE_TYPE of each TREE_LIST. (instantiate_decl): Adjust after making most_specialized_partial_spec return TEMPLATE_INFO instead of TREE_LIST. * ptree.cc (cxx_print_xnode) : Dump TI_PARTIAL_INFO. 2023-06-29 Eugene Rozenfeld * Make-lang.in: Pass correct stage cc1plus when processing profile data collected while building target libraries 2023-06-28 Patrick Palka PR c++/89442 PR c++/107437 * cp-tree.h (lookup_template_variable): Add complain parameter. * parser.cc (cp_parser_template_id): Pass tf_warning_or_error to lookup_template_variable. * pt.cc (lookup_template_variable): Add complain parameter. Coerce template arguments here ... (finish_template_variable): ... instead of here. (lookup_and_finish_template_variable): Check for error_mark_node result from lookup_template_variable. (tsubst_copy) : Pass complain to lookup_template_variable. (instantiate_template): Use build2 instead of lookup_template_variable to build a TEMPLATE_ID_EXPR for most_specialized_partial_spec. 2023-06-28 Marek Polacek PR c++/110175 * typeck.cc (cp_build_unary_op): Check tf_warning before warning. 2023-06-28 Jason Merrill PR c++/110334 * cp-tree.h (clone_attrs): Declare. * method.cc (implicitly_declare_fn): Use it for inherited constructor. * optimize.cc (clone_attrs): New. (maybe_clone_body): Use it. 2023-06-28 Jason Merrill PR c++/110344 * constexpr.cc (cxx_eval_constant_expression): In C++26, allow cast from void* to the type of a pointed-to object. 2023-06-23 David Malcolm PR c++/110164 * cp-name-hint.h (maybe_suggest_missing_header): New decl. * decl.cc: Define INCLUDE_MEMORY. Add include of "cp/cp-name-hint.h". (start_decl_1): Call maybe_suggest_missing_header. * name-lookup.cc (maybe_suggest_missing_header): Remove "static". 2023-06-16 Alex Coplan * parser.cc (cp_parser_enum_specifier): Don't reject elaborated-type-specifier with enum-base, instead emit new Welaborated-enum-base warning. 2023-06-14 Jason Merrill DR 2327 PR c++/86521 * call.cc (joust_maybe_elide_copy): Don't change cand. (joust): Move the elided tiebreaker later. 2023-06-13 David Malcolm PR c/84890 * name-lookup.cc (missing_std_header::~missing_std_header): Reword note to avoid negative tone of "forgetting". 2023-06-13 Jason Merrill * tree.cc (build_target_expr): Check TYPE_HAS_MUTABLE_P. 2023-06-12 Tobias Burnus * parser.cc (cp_parser_omp_clause_map): Reword error message for clearness especially with 'omp target (enter/exit) data.' * semantics.cc (handle_omp_array_sections): Handle GOMP_MAP_{ALWAYS_,}PRESENT_{TO,TOFROM,FROM,ALLOC} enum values. 2023-06-12 Jason Merrill PR c++/105838 * call.cc (convert_like_internal) [ck_list]: Use maybe_init_list_as_array. * constexpr.cc (cxx_eval_vec_init_1): Init might have a different type. * tree.cc (build_vec_init_elt): Likewise. * init.cc (build_vec_init): Handle from_array from a TARGET_EXPR. Retain TARGET_EXPR of a different type. 2023-06-11 Patrick Palka PR c++/110122 * constexpr.cc (cxx_eval_call_expression): Synthesize defaulted functions needed for constant evaluation. (instantiate_cx_fn_r): Likewise. 2023-06-11 Patrick Palka PR c++/110122 * pt.cc (lookup_template_class): Extend shortcut for looking up the current class scope to consider outer class scopes too, and use current_nonlambda_class_type instead of current_class_type. Only call coerce_template_parms when specializing a primary template. 2023-06-10 Nathan Sidwell PR c++/61663 * pt.cc (maybe_adjust_types_for_deduction): Implement DR976. 2023-06-09 Jason Merrill PR c++/110185 PR c++/58487 * method.cc (build_comparison_op): Give retval a name. * typeck.cc (check_return_expr): Fix for nameless variables. 2023-06-09 Jason Merrill * parser.cc (cp_parser_simple_type_specifier): Check for auto in template argument. (cp_parser_template_type_arg): Remove auto checking. 2023-06-09 Jason Merrill PR c++/110102 * call.cc (maybe_init_list_as_array): Check that the element type is copyable. 2023-06-07 Jason Merrill PR c++/58487 PR c++/53637 * cp-tree.h (INIT_EXPR_NRV_P): New. * semantics.cc (finalize_nrv_r): Check it. * name-lookup.h (decl_in_scope_p): Declare. * name-lookup.cc (decl_in_scope_p): New. * typeck.cc (check_return_expr): Allow non-NRV returns if the NRV is no longer in scope. 2023-06-07 Jason Merrill PR c++/58487 * typeck.cc (want_nrvo_p): New. (check_return_expr): Handle -Wnrvo. 2023-06-07 Jason Merrill PR c++/51571 PR c++/92407 * decl.cc (finish_function): Simplify NRV handling. * except.cc (maybe_set_retval_sentinel): Also set if NRV. (maybe_splice_retval_cleanup): Don't add the cleanup region if we don't need it. * semantics.cc (nrv_data): Add simple field. (finalize_nrv): Set it. (finalize_nrv_r): Check it and retval sentinel. * cp-tree.h (finalize_nrv): Adjust declaration. * typeck.cc (check_return_expr): Remove named_labels check. 2023-06-07 Jason Merrill PR c++/92407 * typeck.cc (check_return_expr): Prevent NRV in the presence of named labels. 2023-06-07 Jason Merrill PR c++/33799 * except.cc (maybe_splice_retval_cleanup): Change recognition of function body and try scopes. * semantics.cc (do_poplevel): Call it after poplevel. (at_try_scope): New. * cp-tree.h (maybe_splice_retval_cleanup): Adjust. 2023-06-07 Jason Merrill * semantics.cc (finalize_nrv_r): [RETURN_EXPR]: Only replace the INIT_EXPR. 2023-06-06 Kwok Cheung Yeung Tobias Burnus * parser.cc (cp_parser_omp_clause_defaultmap, cp_parser_omp_clause_map): Parse 'present'. (cp_parser_omp_clause_from_to): New; parse to/from clauses with optional 'present' modifier. (cp_parser_omp_all_clauses): Update call. (cp_parser_omp_target_data, cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data): Handle new enum value for 'present' mapping. * semantics.cc (finish_omp_target): Likewise. 2023-06-04 Jason Merrill PR c++/97720 * cp-tree.h (enum cp_tree_index): Add CPTI_CALL_TERMINATE_FN. (call_terminate_fn): New macro. * cp-gimplify.cc (gimplify_must_not_throw_expr): Use it. * except.cc (init_exception_processing): Set it. (cp_protect_cleanup_actions): Return it. 2023-06-03 Patrick Palka PR c++/109923 * pt.cc (is_specialization_of_friend): Fix overbroad check for a non-template member function of a class template. 2023-06-03 Patrick Palka * pt.cc (iterative_hash_template_arg): Don't hash TEMPLATE_TEMPLATE_PARM specially. 2023-06-03 Patrick Palka * class.cc (build_base_path): Check in_template_context instead of in_template_function. (resolves_to_fixed_type_p): Likewise. * cp-tree.h (in_template_context): Define. (in_template_function): Remove. * decl.cc (cp_make_fname_decl): Check current_function_decl and in_template_context instead of in_template_function. * decl2.cc (mark_used): Check in_template_context instead of in_template_function. * pt.cc (in_template_function): Remove. * semantics.cc (enforce_access): Check in_template_context instead of current_template_parms directly. 2023-06-03 Patrick Palka PR c++/70790 * mangle.cc (write_expression): Handle NOEXCEPT_EXPR. 2023-06-02 Jason Merrill DR 2735 PR c++/109247 * call.cc (sfk_copy_or_move): New. (joust): Add tiebreaker for explicit conv and copy ctor. 2023-06-02 Jason Merrill PR c++/110070 PR c++/105838 * call.cc (maybe_init_list_as_array): Set DECL_MERGEABLE. (convert_like_internal) [ck_list]: Set it. (set_up_extended_ref_temp): Copy it. * tree.cc (handle_no_unique_addr_attribute): Set it. 2023-06-01 Jason Merrill * typeck2.cc (check_narrowing): Check flag_permissive. 2023-05-30 Tobias Burnus PR c/109999 * parser.cc (cp_parser_oacc_all_clauses, cp_parser_omp_all_clauses): Improve error wording. 2023-05-19 Andrew Pinski PR driver/33980 * lang-specs.h ("@c++-header"): Add %w after the --output-pch. ("@c++-system-header"): Likewise. ("@c++-user-header"): Likewise. 2023-05-19 Patrick Palka * constraint.cc (normalize_concept_check): Avoid having to do two norm_cache lookups. Remove unnecessary early exit for an ill-formed concept definition. 2023-05-19 Patrick Palka PR c++/97340 * pt.cc (lookup_and_finish_template_variable): Don't call convert_from_reference. (tsubst_copy_and_build) : Call convert_from_reference on the result of lookup_and_finish_template_variable. 2023-05-18 Bernhard Reutner-Fischer * call.cc (promoted_arithmetic_type_p): Use _P defines from tree.h. (build_conditional_expr): Ditto. (convert_like_internal): Ditto. (convert_arg_to_ellipsis): Ditto. (build_over_call): Ditto. (compare_ics): Ditto. * class.cc (is_empty_base_ref): Ditto. * coroutines.cc (rewrite_param_uses): Ditto. * cp-tree.h (DECL_DISCRIMINATOR_P): Ditto. (ARITHMETIC_TYPE_P): Ditto. * cvt.cc (ocp_convert): Ditto. * cxx-pretty-print.cc (pp_cxx_template_argument_list): Ditto. * decl.cc (layout_var_decl): Ditto. (get_tuple_size): Ditto. * error.cc (dump_simple_decl): Ditto. * lambda.cc (start_lambda_scope): Ditto. * mangle.cc (write_template_arg): Ditto. * method.cc (spaceship_comp_cat): Ditto. * module.cc (node_template_info): Ditto. (trees_out::start): Ditto. (trees_out::decl_node): Ditto. (trees_in::read_var_def): Ditto. (set_instantiating_module): Ditto. * name-lookup.cc (maybe_record_mergeable_decl): Ditto. (consider_decl): Ditto. (maybe_add_fuzzy_decl): Ditto. * pt.cc (convert_nontype_argument): Ditto. * semantics.cc (handle_omp_array_sections_1): Ditto. (finish_omp_clauses): Ditto. (finish_omp_target_clauses_r): Ditto. (is_this_parameter): Ditto. * tree.cc (build_cplus_array_type): Ditto. (is_this_expression): Ditto. * typeck.cc (do_warn_enum_conversions): Ditto. * typeck2.cc (store_init_value): Ditto. (check_narrowing): Ditto. 2023-05-17 Jakub Jelinek PR c++/109868 * init.cc (build_zero_init_1): Don't initialize zero-width bitfields. For unions only initialize the first FIELD_DECL. 2023-05-16 Marek Polacek PR c++/109774 * typeck.cc (check_return_expr): In a template, return only after suppressing -Wdangling-reference. 2023-05-16 Patrick Palka PR c++/109871 * call.cc (add_list_candidates): Check for invalid designated initialization sooner and even for types that have a list constructor. 2023-05-11 Patrick Palka PR c++/109745 * typeck2.cc (poison_mutable_constructors): Define. (store_init_value): Use it instead of setting CONSTRUCTOR_MUTABLE_POISON directly. 2023-05-11 Patrick Palka Jonathan Wakely PR c++/83258 PR c++/80488 PR c++/97700 * pt.cc (convert_nontype_argument_function): Remove linkage requirement for C++17 and later. (invalid_tparm_referent_p) : Restrict DECL_ARTIFICIAL rejection test to VAR_DECL. 2023-05-10 Marek Polacek PR c++/109680 * method.cc (build_trait_object): New. (assignable_expr): Use it. (ref_xes_from_temporary): Likewise. (is_convertible_helper): Likewise. Check FUNC_OR_METHOD_TYPE_P. 2023-05-10 Jason Merrill * call.cc (convert_like_internal): Share ck_ref_bind handling between all bad conversions. 2023-05-10 Jason Merrill DR 2543 * constexpr.cc (cxx_eval_outermost_constant_expr): Preserve TARGET_EXPR flags. (potential_constant_expression_1): Check TARGET_EXPR_ELIDING_P. * typeck2.cc (store_init_value): Diagnose constinit sooner. 2023-05-10 Jason Merrill * constexpr.cc (cxx_eval_outermost_constant_expr): Always check for address of immediate fn. (maybe_constant_init_1): Evaluate PTRMEM_CST. 2023-05-10 Jakub Jelinek PR c++/109756 * parser.cc (cp_parser_std_attribute): For unknown attributes with arguments set TREE_VALUE (attribute) to error_mark_node after skipping the balanced tokens. (cp_parser_std_attribute_list): If ... is used after attribute without arguments, diagnose it and return error_mark_node. If TREE_VALUE (attribute) is error_mark_node, don't call make_pack_expansion nor return early error_mark_node. 2023-05-09 Patrick Palka PR c++/109752 * constraint.cc (satisfaction_cache::satisfaction_cache): In the unexpected case of evaluating an atom for the first time noisily, remove the cache slot that we inserted. 2023-05-09 Patrick Palka PR c++/109761 * parser.cc (cp_parser_class_specifier): Don't pass a class context to noexcept_override_late_checks. (noexcept_override_late_checks): Remove 'type' parameter and use DECL_CONTEXT of 'fndecl' instead. 2023-05-09 Jakub Jelinek PR c++/109756 * cp-gimplify.cc (process_stmt_assume_attribute): Diagnose pack expansion of assume attribute. 2023-05-08 Patrick Palka PR c++/106214 PR c++/93107 * pt.cc (do_auto_deduction): Move up resolve_nondeduced_context calls to happen before do_class_deduction. Add some error_mark_node tests. 2023-05-07 Patrick Palka PR c++/85979 * cxx-pretty-print.cc (cxx_pretty_printer::unary_expression) : Consider ALIGNOF_EXPR_STD_P. * error.cc (dump_expr) : Likewise. 2023-05-07 Patrick Palka DR 2256 PR c++/103091 * decl.cc (decl_jump_unsafe): Return bool instead of int. Don't consider TYPE_HAS_NONTRIVIAL_DESTRUCTOR. (check_previous_goto_1): Simplify now that decl_jump_unsafe returns bool instead of int. (check_goto): Likewise. 2023-05-07 Patrick Palka * pt.cc (instantiate_alias_template): Exit early upon error from coerce_template_parms. Remove dependence test guarding constraints_satisfied_p. 2023-05-07 Patrick Palka * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Harden via TEMPLATE_TYPE_PARM_CHECK. (TPARMS_PRIMARY_TEMPLATE): Harden via TREE_VEC_CHECK. (TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL): Harden via TEMPLATE_TEMPLATE_PARM_CHECK. * cxx-pretty-print.cc (cxx_pretty_printer::simple_type_specifier): Guard PLACEHOLDER_TYPE_CONSTRAINTS access. * error.cc (dump_type) : Use separate variable to store CLASS_PLACEHOLDER_TEMPLATE result. * pt.cc (outer_template_args): Use strip_innermost_template_args. (any_type_dependent_arguments_p): Exit early if !processing_template_decl. Use range-based for. (any_dependent_template_arguments_p): Likewise. 2023-05-07 Patrick Palka PR c++/98283 * pt.cc (tsubst_copy_and_build) : Propagate REF_PARENTHESIZED_P more generally via force_paren_expr. * semantics.cc (force_paren_expr): Document default argument. 2023-05-07 Patrick Palka PR c++/109651 * pt.cc (coerce_template_args_for_ttp): Mention we can hit the current_template_parms fallback when level-lowering a bound ttp. (tsubst_template_decl): Add lambda_tparms parameter. Prefer to use lambda_tparms instead of substituting DECL_TEMPLATE_PARMS. (tsubst_decl) : Pass NULL_TREE as lambda_tparms to tsubst_template_decl. (tsubst_lambda_expr): For a generic lambda, substitute DECL_TEMPLATE_PARMS and set current_template_parms to it before substituting the function type. Pass the substituted DECL_TEMPLATE_PARMS as lambda_tparms to tsubst_template_decl. 2023-05-07 Patrick Palka PR c++/109480 * semantics.cc (enforce_access): Check current_template_parms instead of processing_template_decl when deciding whether to defer the access check. 2023-05-07 Patrick Palka PR c++/109480 * constexpr.cc (potential_constant_expression_1) : Reorganize to call get_fns sooner. Remove special handling of the object argument of a non-static member function call. Remove dead store to 'fun'. 2023-05-05 Jason Merrill Revert: 2023-04-27 Jason Merrill PR c++/61445 * pt.cc (instantiate_decl): Assert !defer_ok for local class members. 2023-05-03 Jason Merrill PR c++/91618 PR c++/109649 * friend.cc (do_friend): Don't call check_explicit_specialization if DECL_TEMPLATE_INFO is already set. * decl2.cc (check_classfn): Set DECL_TEMPLATE_INFO. * name-lookup.cc (set_decl_namespace): Likewise. 2023-05-03 Jakub Jelinek * cp-gimplify.cc (cp_fold_data): Move definition earlier. (cp_gimplify_expr): Pass address of ff_genericize | ff_mce_false constructed data rather than &pset to cp_walk_tree with cp_fold_r. 2023-05-03 Jason Merrill * pt.cc (reduce_template_parm_level): Fix comparison of template template parm to cached version. 2023-05-02 Jason Merrill * pt.cc (instantiate_class_template): Skip the RECORD_TYPE of a class template. (tsubst_template_decl): Clear CLASSTYPE_USE_TEMPLATE. 2023-05-02 Jason Merrill * name-lookup.cc (pop_from_top_level): Don't invalidate_class_lookup_cache. 2023-05-02 Jason Merrill PR c++/109678 * cp-tree.h (lookup_base): Add offset parm. * constexpr.cc (cxx_fold_indirect_ref_1): Pass it. * search.cc (struct lookup_base_data_s): Add offset. (dfs_lookup_base): Handle it. (lookup_base): Pass it. 2023-05-02 Jason Merrill PR c++/109678 * constexpr.cc (cxx_fold_indirect_ref_1): Handle empty base first. 2023-05-01 Jason Merrill PR c++/109666 * name-lookup.cc (maybe_push_to_top_level) (maybe_pop_from_top_level): Split out... * pt.cc (instantiate_body): ...from here. * init.cc (maybe_instantiate_nsdmi_init): Use them. * name-lookup.h: Declare them.. 2023-04-28 Eugene Rozenfeld * Make-lang.in: Merge perf data collected when compiling cc1plus and runtime libraries 2023-04-27 Jason Merrill * call.cc (print_conversion_rejection): Use iloc_sentinel. 2023-04-27 Jason Merrill PR c++/61445 * pt.cc (instantiate_decl): Assert !defer_ok for local class members. 2023-04-26 Jason Merrill * init.cc (nsdmi_inst): Remove. (maybe_instantiate_nsdmi_init): Use DECL_INITIAL instead. 2023-04-26 Jason Merrill PR c++/109241 * pt.cc (instantiate_class_template): Do partially instantiate. (tsubst_expr): Do call complete_type for partial instantiations. 2023-04-26 Jason Merrill PR c++/69836 * pt.cc (regenerate_decl_from_template): Skip unique friends. 2023-04-26 Patrick Palka * pt.cc (most_specialized_partial_spec): Exit early when DECL_TEMPLATE_SPECIALIZATIONS is empty. Move local variable declarations closer to their first use. Remove redundant flag_concepts test. Remove redundant forward declaration. 2023-04-25 Patrick Palka PR c++/108975 * pt.cc (value_dependent_expression_p) : Suppress conservative early exit for reference variables when DECL_HAS_VALUE_EXPR_P. 2023-04-25 Tobias Burnus * parser.cc (cp_parser_omp_scan_loop_body): Handle zero exec statements before/after 'omp scan'. 2023-04-24 Patrick Palka * cp-tree.h (cp_expr_location): Define here. * tree.cc (cp_expr_location): Don't define here. 2023-04-21 Jason Merrill PR c++/108099 * decl.cc (grokdeclarator): Don't clear typedef_decl after 'unsigned typedef' pedwarn. Use c_common_signed_or_unsigned_type. Also handle 'signed typedef'. 2023-04-21 Patrick Palka * tree.cc (cp_walk_subtrees): Avoid repeatedly dereferencing tp. : Use cp_unevaluated and WALK_SUBTREE. : Likewise. 2023-04-20 Patrick Palka * pt.cc (tsubst) : Don't recurse when level lowering a cv-qualified type template parameter. Remove recursive loop breaker in the level lowering case for constrained autos. Use the TEMPLATE_PARM_DESCENDANTS cache in this case as well. 2023-04-20 Patrick Palka * constraint.cc (diagnose_trait_expr): Convert a TREE_VEC of arguments into a TREE_LIST for sake of pretty printing. * cxx-pretty-print.cc (pp_cxx_trait): Handle TREE_VEC instead of TREE_LIST of trailing variadic trait arguments. * method.cc (constructible_expr): Likewise. (is_xible_helper): Likewise. * parser.cc (cp_parser_trait): Represent trailing variadic trait arguments as a TREE_VEC instead of TREE_LIST. * pt.cc (value_dependent_expression_p): Handle TREE_VEC instead of TREE_LIST of trailing variadic trait arguments. * semantics.cc (finish_type_pack_element): Likewise. (check_trait_type): Likewise. 2023-04-20 Patrick Palka * tree.cc (strip_typedefs): Move TREE_LIST handling to strip_typedefs_expr. Dispatch to strip_typedefs_expr for non-type 't'. : Remove manual dispatching to strip_typedefs_expr. : Likewise. (strip_typedefs_expr): Replaces calls to strip_typedefs_expr with strip_typedefs throughout. Don't dispatch to strip_typedefs for type 't'. : Replace this with the better version from strip_typedefs. 2023-04-19 Patrick Palka Jonathan Wakely PR c++/100157 * cp-trait.def (TYPE_PACK_ELEMENT): Define. * cp-tree.h (finish_trait_type): Add complain parameter. * cxx-pretty-print.cc (pp_cxx_trait): Handle CPTK_TYPE_PACK_ELEMENT. * parser.cc (cp_parser_constant_expression): Document default arguments. (cp_parser_trait): Handle CPTK_TYPE_PACK_ELEMENT. Pass tf_warning_or_error to finish_trait_type. * pt.cc (tsubst) : Handle non-type first argument. Pass complain to finish_trait_type. * semantics.cc (finish_type_pack_element): Define. (finish_trait_type): Add complain parameter. Handle CPTK_TYPE_PACK_ELEMENT. * tree.cc (strip_typedefs): Handle non-type first argument. Pass tf_warning_or_error to finish_trait_type. * typeck.cc (structural_comptypes) : Use cp_tree_equal instead of same_type_p for the first argument. 2023-04-19 Patrick Palka PR c++/109556 * pt.cc (try_class_unification): Don't ggc_free the copy of 'targs'. 2023-04-19 Jason Merrill PR c++/108099 * decl.cc (grokdeclarator): Keep typedef_decl for __int128_t. 2023-04-17 Patrick Palka PR c++/109531 * pt.cc (tsubst) : In the level-lowering case just use lookup_template_class to rebuild the bound ttp. 2023-04-15 Jason Merrill PR c++/109357 * constexpr.cc (cxx_eval_constant_expression) [TARGET_EXPR]: Check for complex initializer. 2023-04-13 Patrick Palka PR c++/109420 * decl.cc (make_typename_type): Also ignore non-types during the lookup if tag_type corresponds to an elaborated-type-specifier. * pt.cc (tsubst) : Pass class_type or enum_type as tag_type to make_typename_type accordingly instead of always passing typename_type. 2023-04-13 Jason Merrill PR c++/109277 * semantics.cc (check_trait_type): Handle incomplete type directly. * typeck2.cc (cxx_incomplete_type_diagnostic): Remove assert. 2023-04-13 Jason Merrill * typeck2.cc (cxx_incomplete_type_diagnostic): Return bool. * cp-tree.h (cxx_incomplete_type_diagnostic): Adjust. 2023-04-12 Jakub Jelinek * Make-lang.in (s-cp-module-version): New target. (cp/module.o): Depend on it. (MODULE_VERSION): Remove variable. (CFLAGS-cp/module.o): For -DMODULE_VERSION= argument just cat s-cp-module-version. 2023-04-09 Iain Sandoe * coroutines.cc (coro_rewrite_function_body): Ensure that added bind expressions have scope blocks. 2023-04-04 Jason Merrill PR c++/107484 * decl2.cc (find_last_decl): Return early if DECL_USE_TEMPLATE. 2023-04-03 Patrick Palka PR c++/109300 * decl.cc (cp_finish_decl): Diagnose ordinary auto deduction with no initializer, instead of asserting. 2023-04-01 Patrick Palka PR c++/109160 * cp-tree.h (do_auto_deduction): Add defaulted tmpl parameter. * pt.cc (convert_template_argument): Pass 'in_decl' as 'tmpl' to do_auto_deduction. (tsubst_decl) : Pass 'tmpl' instead of 't' as 'in_decl' to coerce_template_parms. (unify) : Pass TPARMS_PRIMARY_TEMPLATE as 'tmpl' to do_auto_deduction. (do_auto_deduction): Document default arguments. Rename local variable 'tmpl' to 'ctmpl'. Use 'tmpl' to obtain a full set of template arguments for satisfaction in the adc_unify case. 2023-04-01 Patrick Palka PR c++/53164 PR c++/105848 * pt.cc (invalid_tparm_referent_p): Accept ADDR_EXPR of FUNCTION_DECL. (instantiate_class_template): Call mark_template_arguments_used. (tsubst_copy_and_build) : Revert r13-995 change. (mark_template_arguments_used): Define. (instantiate_body): Call mark_template_arguments_used. 2023-04-01 Iain Sandoe PR c++/101118 * coroutines.cc (flatten_await_stmt): Use the current count of promoted temporaries to build a unique name for the frame entries. 2023-03-30 Jason Merrill PR c++/105452 * search.cc (type_context_for_name_lookup): New. (accessible_p): Handle anonymous union. * init.cc (maybe_instantiate_nsdmi_init): Use type_context_for_name_lookup. * parser.cc (cp_parser_class_specifier): Likewise. * cp-tree.h (type_context_for_name_lookup): Declare. 2023-03-30 Jason Merrill PR c++/105221 * pt.cc (unify) [FUNCTION_TYPE]: Handle function pointer conversions. 2023-03-30 Jakub Jelinek PR c++/109319 * decl2.cc (grok_array_decl): After emitting a pedwarn for -Wcomma-subscript, if processing_template_decl set orig_index_exp to compound expr from orig_index_exp_list. 2023-03-30 Jason Merrill PR c++/107897 PR c++/108887 * decl2.cc (record_mangling): Use symtab_node::reset. 2023-03-30 Jakub Jelinek PR c++/109278 * call.cc (convert_like_internal): If pedwarn for extended float type conversions doesn't report anything, avoid calling maybe_inform_about_fndecl_for_bogus_argument_init. 2023-03-29 Jason Merrill PR c++/109321 PR c++/109320 * pt.cc (alias_ctad_tweaks): Rewrite deduced args. (type_targs_deducible_from): Handle null pack deduction. 2023-03-28 David Malcolm PR c/107002 * parser.cc (cp_parser_binary_expression): Update for new param of check_for_xor_used_as_pow. 2023-03-28 Jakub Jelinek PR c++/109309 * contracts.cc: Include intl.h. (check_postcondition_result): Don't form diagnostics from two halves of an English message to allow translations. 2023-03-24 Patrick Palka PR c++/106969 * parser.cc (cp_parser_class_specifier): Clear current_class_ptr and current_class_ref sooner, before parsing a class definition. 2023-03-24 Jason Merrill PR c++/105481 * pt.cc (type_unification_real): Adjust for partial ordering. 2023-03-23 Jason Merrill PR c++/105996 * typeck.cc (build_ptrmemfunc): Drop 0-offset optimization and location wrappers. 2023-03-23 Marek Polacek PR c++/107532 * call.cc (class_has_reference_member_p): New. (class_has_reference_member_p_r): New. (reference_like_class_p): Don't look for a specific constructor. Use a DFS walk with class_has_reference_member_p_r. 2023-03-23 Jason Merrill PR c++/109241 * pt.cc (find_parameter_packs_r): Handle null TREE_BINFO. 2023-03-22 Jason Merrill PR c++/108390 * pt.cc (unify): Use fold of build_nop instead of fold_convert. 2023-03-22 Jason Merrill PR c++/108795 * semantics.cc (finish_id_expression_1): Check scope before returning id_expression. 2023-03-22 Alex Coplan PR c++/109177 * call.cc (build_over_call): Use make_temp_override to suppress both unavailable and deprecated warnings when calling build_addr_func. 2023-03-21 Jason Merrill PR c++/106890 * init.cc (maybe_instantiate_nsdmi_init): Don't leave current_function_decl set to a constructor. 2023-03-20 Marek Polacek PR c++/109159 * call.cc (add_template_candidate_real): Add explicit decls to the set of candidates when the initializer is a braced-init-list. 2023-03-20 Jakub Jelinek PR c++/109164 * cp-tree.h (var_needs_tls_wrapper): Declare. * decl2.cc (var_needs_tls_wrapper): No longer static. * decl.cc (cp_finish_decl): Clear TREE_READONLY on TLS variables for which a TLS wrapper will be needed. 2023-03-17 Jason Merrill PR c++/108975 * lambda.cc (prune_lambda_captures): Don't bother in a template. 2023-03-17 Jason Merrill PR c++/109172 * except.cc (build_throw): Check dtor access. 2023-03-17 Jason Merrill PR c++/69410 * friend.cc (do_friend): Handle namespace as scope argument. * decl.cc (grokdeclarator): Pass down in_namespace. 2023-03-16 Jason Merrill PR c++/105809 * init.cc (get_nsdmi): Split out... (maybe_instantiate_nsdmi_init): ...this function. * cp-tree.h: Declare it. * pt.cc (tsubst_expr): Use it. 2023-03-16 Jason Merrill PR c++/108242 * pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation. 2023-03-16 Jason Merrill PR c++/101869 * semantics.cc (finish_qualified_id_expr): Don't try to build a pointer-to-member if the scope is an enumeration. 2023-03-16 Patrick Palka PR c++/109030 * constexpr.cc (maybe_constant_init_1): For an unevaluated non-manifestly-constant operand, don't constant evaluate and instead call fold_to_constant as in maybe_constant_value. 2023-03-16 Patrick Palka PR c++/100288 * constraint.cc (satisfaction_cache::get): Relax overly strict checking assert in the constraint recursion case. 2023-03-16 Jason Merrill PR c++/105406 * coroutines.cc (build_co_await): Handle lvalue 'o'. 2023-03-15 Jason Merrill PR c++/103871 PR c++/98056 * typeck.cc (cp_build_modify_expr): Allow array initialization of DECL_ARTIFICIAL variable. 2023-03-15 Marek Polacek PR c++/107280 * constexpr.cc (cxx_eval_store_expression): Strip location wrappers. 2023-03-15 Jason Merrill PR c++/58538 * semantics.cc (check_template_template_default_arg): Check maybe_get_template_decl_from_type_decl. 2023-03-15 Jason Merrill PR c++/108179 PR c++/104107 PR c++/95036 * pt.cc (coerce_template_template_parms): Use args from DECL_CONTEXT (arg_tmpl) instead of outer_args. 2023-03-15 Jason Merrill PR c++/108179 * pt.cc (coerce_template_template_parms): Take the arg and parm templates directly. (coerce_template_template_parm): Adjust. (template_template_parm_bindings_ok_p): Adjust. (convert_template_argument): Adjust. 2023-03-14 Patrick Palka PR c++/96830 * pt.cc (push_inline_template_parms_recursive): Set TEMPLATE_PARMS_CONSTRAINTS. (push_template_decl): For an out-of-line declaration, verify constraints for each enclosing template scope match those of the original template declaratation. 2023-03-14 Patrick Palka PR c++/96830 * pt.cc (redeclare_class_template): Add missing "of" in constraint mismatch diagnostic. (tsubst_friend_class): For an already declared class template, substitute and pass the friend declaration's constraints to redeclare_class_template instead of passing the existing template's constraints. 2023-03-14 Jason Merrill PR c++/108468 * pt.cc (unify_pack_expansion): Check that TPARMS_PRIMARY_TEMPLATE is non-null. 2023-03-14 Jason Merrill PR c++/107310 * cp-gimplify.cc (genericize_if_stmt): Restore folding of constant conditions. 2023-03-14 Jakub Jelinek PR c++/109096 * tree.cc (record_has_unique_obj_representations): Ignore unnamed bitfields. 2023-03-13 Jason Merrill PR c++/107128 * parser.cc (cp_parser_set_decl_spec_type): Use redefined_builtin_type for extended_float_type_p. 2023-03-13 Marek Polacek PR c++/107532 * call.cc (reference_like_class_p): Check for std::span. 2023-03-10 Jakub Jelinek PR c++/107558 * decl.cc (cp_finish_decl): Don't clear TREE_READONLY on automatic non-aggregate variables just because of -fmerge-all-constants. 2023-03-10 Jakub Jelinek PR c++/109039 * class.cc (end_of_class): For bit-fields, instead of computing offset as sum of byte_position (field) and DECL_SIZE_UNIT (field), compute it as sum of bit_position (field) and DECL_SIZE (field) divided by BITS_PER_UNIT rounded up. 2023-03-10 Jason Merrill PR c++/108972 * lambda.cc (compare_lambda_template_head): Check more for error_mark_node. 2023-03-10 Jason Merrill PR c++/108566 * mangle.cc (anon_aggr_naming_decl): New. (write_unqualified_name): Use it. 2023-03-10 Jakub Jelinek PR c/108079 * decl.cc (poplevel): Suppress OPT_Wunused_variable warning after diagnosing it. 2023-03-10 Jason Merrill PR c++/108099 * decl.cc (grokdeclarator): Handle non-typedef typedef_decl. 2023-03-10 Jason Merrill PR c++/108542 * class.cc (instantiate_type): Strip location wrapper. 2023-03-09 Jason Merrill PR c++/108773 * init.cc (find_allocator_temps_r): New. (combine_allocator_temps): Replace find_allocator_temp. (build_vec_init): Adjust. 2023-03-09 Jason Merrill DR 2664 PR c++/102529 * pt.cc (alias_ctad_tweaks): Continue after deduction failure. 2023-03-09 Jason Merrill Michael Spertus PR c++/105841 * pt.cc (corresponding_template_parameter_list): Split out... (corresponding_template_parameter): ...from here. (find_template_parameters): Factor out... (find_template_parameter_info::find_in): ...this function. (find_template_parameter_info::find_in_recursive): New. (find_template_parameter_info::found): New. (alias_ctad_tweaks): Only add parms used in the deduced args. 2023-03-09 Jason Merrill * cp-trait.def (IS_DEDUCIBLE): Add space to name. 2023-03-09 Jason Merrill PR c++/105841 * cp-trait.def (IS_DEDUCIBLE): New. * cxx-pretty-print.cc (pp_cxx_trait): Handle non-type. * parser.cc (cp_parser_trait): Likewise. * tree.cc (cp_tree_equal): Likewise. * pt.cc (tsubst_copy_and_build): Likewise. (type_targs_deducible_from): New. (alias_ctad_tweaks): Use it. * semantics.cc (trait_expr_value): Handle CPTK_IS_DEDUCIBLE. (finish_trait_expr): Likewise. * constraint.cc (diagnose_trait_expr): Likewise. * cp-tree.h (type_targs_deducible_from): Declare. 2023-03-07 Jason Merrill PR c++/108526 PR c++/106651 * pt.cc (tsubst_function_decl): Don't replace the closure parameter if DECL_STATIC_FUNCTION_P. 2023-03-07 Marek Polacek PR c++/107532 * call.cc (reference_like_class_p): New. (do_warn_dangling_reference): Add new bool parameter. See through reference_like_class_p. 2023-03-07 Jakub Jelinek PR c++/109042 * rtti.cc (emit_support_tinfo_1): Don't assert that last unemitted_tinfo_decls element is tinfo, instead pop from it only in that case. * decl2.cc (c_parse_final_cleanups): Don't call emit_tinfo_decl for unemitted_tinfO_decls which have already non-NULL DECL_INITIAL. 2023-03-07 Marek Polacek PR c++/109030 * constexpr.cc (cxx_eval_call_expression): Relax assert. 2023-03-07 Marek Polacek PR c++/107939 * constexpr.cc (potential_constant_expression_1) : Pass 'any' when recursing on a VAR_DECL and not a pointer to function. 2023-03-04 Jakub Jelinek PR c++/108702 * constexpr.cc: Include toplev.h. (cxx_eval_constant_expression) : When seeing a local static initialized by constant expression outside of a constexpr function which has been deferred by make_rtl_for_nonlocal_decl, call rest_of_decl_compilation on it. 2023-03-03 Patrick Palka PR c++/108998 * pt.cc (el_data::skipped_trees): New data member. (extract_locals_r): Push to skipped_trees any unevaluated contexts that we skipped over. (extract_local_specs): For the second walk, start from each tree in skipped_trees. 2023-03-03 Alexandre Oliva * typeck.cc (cp_build_binary_op): Suppress redundant warning for pfn null test in pmfn test with vbit-in-delta. 2023-03-02 Jakub Jelinek PR target/108883 * cp-tree.h (enum cp_tree_index): Remove CPTI_FALLBACK_DFLOAT*_TYPE enumerators. (fallback_dfloat32_type, fallback_dfloat64_type, fallback_dfloat128_type): Remove. * rtti.cc (emit_support_tinfo_1): If not emitted already, call emit_tinfo_decl and remove from unemitted_tinfo_decls right away. (emit_support_tinfos): Move &dfloat*_type_node from fundamentals array into new fundamentals_with_fallback array. Call emit_support_tinfo_1 on elements of that array too, with the difference that if the type is NULL, use a fallback REAL_TYPE for it temporarily. Drop the !targetm.decimal_float_supported_p () handling. Call targetm.emit_support_tinfos at the end. * mangle.cc (write_builtin_type): Remove references to fallback_dfloat*_type. Handle bfloat16_type_node mangling. 2023-03-02 Patrick Palka PR c++/108243 PR c++/97553 * cp-gimplify.cc (cp_fully_fold): Add an internal overload that additionally takes and propagate an mce_value parameter, and define the existing public overload in terms of it. (cp_fully_fold_init): Pass mce_false to cp_fully_fold. 2023-03-02 Patrick Palka PR c++/108243 * constexpr.cc (maybe_constant_init_1): Override manifestly_const_eval to true if is_static. 2023-03-02 Jakub Jelinek PR debug/108716 * cp-gimplify.cc (cp_genericize_r) : Set DECL_SOURCE_LOCATION on IMPORTED_DECL to expression location of USING_STMT or input_location. 2023-03-02 Marek Polacek PR c++/106259 * parser.cc (class_decl_loc_t::diag_mismatched_tags): If the first lookup of SPEC didn't find anything, try to look for most_general_template. 2023-03-02 Jakub Jelinek PR c++/105839 * parser.cc (cp_convert_omp_range_for): Allow in assert decomp_first_name without DECL_HAS_VALUE_EXPR_P if it has error_mark_node type. (cp_finish_omp_range_for): Don't set DECL_HAS_VALUE_EXPR_P back on decls which have error_mark_node type. 2023-03-01 Marek Polacek PR c++/107574 * constexpr.cc (cxx_eval_constant_expression): Emit an error when a PTRMEM_CST cannot be evaluated. 2023-03-01 Patrick Palka * pt.cc (tsubst_scope): Define. (tsubst_decl) : Call tsubst_scope instead of calling tsubst_scope with tf_qualifying_scope set. (tsubst_qualified_id): Call tsubst_scope instead of calling tsubst with tf_qualifying_scope set. (tsubst_copy): Immediately delegate to tsubst for all TYPE_P trees. Remove tf_qualifying_scope manipulation. : Call tsubst_scope instead of calling tsubst with tf_qualifying_scope set. 2023-03-01 Patrick Palka Jason Merrill PR c++/108219 PR c++/108218 * constexpr.cc (fold_to_constant): Define. (maybe_constant_value): Move up early exit test for unevaluated operands. Try reducing an unevaluated operand to a constant via fold_to_constant. (fold_non_dependent_expr_template): Add early exit test for CONSTANT_CLASS_P nodes. Try reducing an unevaluated operand to a constant via fold_to_constant. * cp-tree.h (fold_to_constant): Declare. 2023-03-01 Jakub Jelinek PR c++/108606 * constexpr.cc (potential_constant_expression_1) : Only recurse on DECL_INITIAL (tmp) if tmp is a VAR_DECL, otherwise just return true. 2023-02-28 Patrick Palka PR c++/108848 * pt.cc (finish_template_variable): Move dependence check to here from ... (lookup_and_finish_template_variable): ... here. * semantics.cc (finish_id_expression_1): Call finish_template_variable sooner, before (and regardless of) the type_dependent_expression_p test. 2023-02-28 Marek Polacek PR c++/108550 * pt.cc (lookup_and_finish_template_variable): Clear tf_partial. 2023-02-20 Marek Polacek PR c++/101073 * constexpr.cc (cxx_eval_call_expression): Replace shortcutting trivial constructor/op= with a checking assert. 2023-02-20 Marek Polacek PR c++/108829 * pt.cc (prepend_one_capture): Set LAMBDA_CAPTURE_EXPLICIT_P. (tsubst_lambda_expr): Pass LAMBDA_CAPTURE_EXPLICIT_P to prepend_one_capture. 2023-02-18 Jason Merrill DR 2518 PR c++/52809 PR c++/53638 PR c++/87389 PR c++/89741 PR c++/92099 PR c++/104041 PR c++/104691 * semantics.cc (finish_static_assert): Don't diagnose in template context. 2023-02-17 Patrick Palka PR c++/108243 PR c++/97553 * cp-gimplify.cc (enum fold_flags): Define. (fold_flags_t): Declare. (cp_fold_data::genericize): Replace this data member with ... (cp_fold_data::fold_flags): ... this. (cp_fold_r): Adjust use of cp_fold_data and calls to cp_fold. (cp_fold_function): Likewise. (cp_fold_maybe_rvalue): Add an internal overload that additionally takes and propagates a fold_flags_t parameter, and define the existing public overload in terms of it. (cp_fold_rvalue): Likewise. (cp_fully_fold_init): Adjust use of cp_fold_data. (fold_cache): Replace with ... (fold_caches): ... this 2-element array of caches. (get_fold_cache): Define. (clear_fold_cache): Adjust. (cp_fold): Add fold_flags_t parameter. Use get_fold_cache. Pass flags to calls to cp_fold, cp_fold_rvalue and cp_fold_maybe_rvalue. : If ff_mce_false is set, fold __builtin_is_constant_evaluated to false and pass mce_false to maybe_constant_value. 2023-02-17 Patrick Palka * constexpr.cc (constexpr_call::manifestly_const_eval): Give it type int instead of bool. (constexpr_ctx::manifestly_const_eval): Give it type mce_value instead of bool. (cxx_eval_builtin_function_call): Adjust after making manifestly_const_eval tri-state. (cxx_eval_call_expression): Likewise. (cxx_eval_binary_expression): Likewise. (cxx_eval_conditional_expression): Likewise. (cxx_eval_constant_expression): Likewise. (cxx_eval_outermost_constant_expr): Likewise. (cxx_constant_value): Likewise. (cxx_constant_dtor): Likewise. (maybe_constant_value): Give manifestly_const_eval parameter type mce_value instead of bool and adjust accordingly. (fold_non_dependent_expr_template): Adjust call to cxx_eval_outermost_constant_expr. (fold_non_dependent_expr): Likewise. (maybe_constant_init_1): Likewise. * constraint.cc (satisfy_atom): Adjust call to maybe_constant_value. * cp-tree.h (enum class mce_value): Define. (maybe_constant_value): Adjust manifestly_const_eval parameter type and default argument. * decl.cc (compute_array_index_type_loc): Adjust call to maybe_constant_value. * pt.cc (convert_nontype_argument): Likewise. 2023-02-16 Patrick Palka PR c++/107773 * cp-tree.h (enum tsubst_flags): New flag tf_qualifying_scope. * decl.cc (make_typename_type): Use lookup_member instead of lookup_field. If tf_qualifying_scope is set, pass want_type=true instead of =false to lookup_member. Generalize format specifier in diagnostic to handle both type and non-type bindings. * pt.cc (tsubst_aggr_type_1): Clear tf_qualifying_scope. Tidy the function. (tsubst_decl) : Set tf_qualifying_scope when substituting USING_DECL_SCOPE. (tsubst): Clear tf_qualifying_scope right away and remember if it was set. Do the same for tf_tst_ok sooner. : Set tf_qualifying_scope when substituting TYPE_CONTEXT. Pass tf_qualifying_scope to make_typename_type if it was set. (tsubst_qualified_id): Set tf_qualifying_scope when substituting the scope. (tsubst_copy): Clear tf_qualifying_scope and remember if it was set. : Set tf_qualifying_scope when substituting the scope. : Pass tf_qualifying_scope to tsubst if it was set. * search.cc (lookup_member): Document default argument. 2023-02-16 Patrick Palka * cp-tree.h: Mechanically drop static from static inline functions via s/^static inline/inline/g. 2023-02-15 Marek Polacek PR c++/106675 * call.cc (joust_maybe_elide_copy): Return false for ck_ambig. 2023-02-10 Marek Polacek PR c++/107079 * call.cc (set_up_extended_ref_temp): Pass var to maybe_constant_init. 2023-02-09 Tobias Burnus * parser.cc (cp_parser_omp_allocate): Parse align clause and check for restrictions. 2023-02-09 Jakub Jelinek PR c++/108698 * mangle.cc (write_expression, write_template_arg): Handle EXCESS_PRECISION_EXPR with REAL_CST operand as write_template_arg_literal on fold_convert of the REAL_CST to EXCESS_PRECISION_EXPR type. 2023-02-06 Patrick Palka PR c++/107461 * cp-tree.h (call_expr_dependent_name): Declare. * pt.cc (iterative_hash_template_arg) : Use call_expr_dependent_name instead of dependent_name. * tree.cc (call_expr_dependent_name): Define. (called_fns_equal): Adjust to take two CALL_EXPRs instead of CALL_EXPR_FNs thereof. Use call_expr_dependent_name instead of dependent_name. (cp_tree_equal) : Adjust call to called_fns_equal. 2023-02-03 Marek Polacek PR c++/108158 * constexpr.cc (cxx_eval_array_reference): Don't replace new_ctx.object. 2023-02-03 Patrick Palka PR c++/107461 * semantics.cc (finish_call_expr): Strip ADDR_EXPR from the selected callee during overload set pruning. 2023-02-03 Patrick Palka PR c++/96745 * class.cc (check_methods): Diagnose an unviable OVERLOAD set for CLASSTYPE_DESTRUCTOR differently from an ambiguous one. Then prune the OVERLOAD to a single function. (check_bases_and_members): Handle CLASSTYPE_DESTRUCTOR being an OVERLOAD when calling deduce_noexcept_on_destructor. Document why it has to be called before check_methods. 2023-02-03 Patrick Palka PR c++/108579 * class.cc (check_methods): Swap order of constraints_satisfied_p and copy/move_fn_p tests. 2023-02-01 Marek Polacek PR c++/107755 * call.cc (build_new_op): Don't call warn_logical_operator when processing a template. 2023-02-01 Jakub Jelinek PR c++/108607 * constexpr.cc (cxx_eval_constant_expression): Handle OMP_* and OACC_* constructs as non-constant. (potential_constant_expression_1): Handle OMP_SCAN and OMP_SCOPE. 2023-02-01 Jason Merrill * class.cc (note_name_declared_in_class): Change from permerror to -Wchanges-meaning pedwarn, forcing -pedantic-errors for most cases. 2023-01-31 Jason Merrill PR c++/108559 * cp-gimplify.cc (any_non_eliding_target_exprs): New. (cp_genericize_init): Check it. 2023-01-31 Marek Polacek PR c++/107593 PR c++/108597 * cp-tree.h (instantiation_dependent_expression_p): Don't declare here. 2023-01-26 Marek Polacek PR c++/105300 * parser.cc: Remove unnecessary forward declarations. (cp_parser_string_literal): New wrapper. (cp_parser_string_literal_common): Renamed from cp_parser_string_literal. Add a bool parameter. Give an error when UDLs are not permitted. (cp_parser_userdef_string_literal): New wrapper. (finish_userdef_string_literal): Renamed from cp_parser_userdef_string_literal. (cp_parser_primary_expression): Call cp_parser_userdef_string_literal instead of cp_parser_string_literal. (cp_parser_linkage_specification): Move a variable declaration closer to its first use. (cp_parser_static_assert): Likewise. (cp_parser_operator): Call cp_parser_userdef_string_literal instead of cp_parser_string_literal. (cp_parser_asm_definition): Move a variable declaration closer to its first use. (cp_parser_asm_specification_opt): Move variable declarations closer to their first use. (cp_parser_asm_operand_list): Likewise. (cp_parser_asm_clobber_list): Likewise. 2023-01-26 Jakub Jelinek PR c++/108503 * parser.cc (cp_convert_omp_range_for): If cp_finish_decomp has been called in !processing_template_decl with processing_template_decl temporarily set, clear DECL_HAS_VALUE_EXPR_P on the vars temporarily. (cp_finish_omp_range_for): And set it back again here. 2023-01-25 Jakub Jelinek PR c++/108525 * mangle.cc (write_closure_type_name): Don't assume all lambda operator() fns are methods. 2023-01-24 Jason Merrill PR c++/108504 * parser.cc (cp_lexer_new_main): Pass C_LEX_STRING_NO_JOIN for first token, too. 2023-01-24 Jason Merrill PR c++/108526 * pt.cc (tsubst_function_decl): Handle static lambda. 2023-01-24 Jakub Jelinek PR c++/108474 * cp-gimplify.cc (cp_fold_r): Revert 2023-01-19 changes. 2023-01-24 Jason Merrill PR c++/107303 PR c++/107329 * cp-gimplify.cc (cp_fold_r) [TARGET_EXPR]: In case of double TARGET_EXPR, keep the outer one instead of the inner one. (maybe_replace_decl): New. 2023-01-23 Jason Merrill PR c++/107267 * cp-gimplify.cc (cp_gimplify_init_expr): Allow unexpected elision of trivial types. 2023-01-23 Marek Polacek PR c++/107797 * cvt.cc (ocp_convert): copy_warning when creating a new COMPOUND_EXPR. * init.cc (build_new_1): Suppress -Wunused-value on compiler-generated COMPOUND_EXPRs. 2023-01-23 Jason Merrill PR c++/108195 * call.cc (build_user_type_conversion_1): Check whether the iterators also find a list ctor. 2023-01-23 Jason Merrill PR c++/108496 * decl.cc (grokdeclarator): Check whether DECL_RESULT is already set. 2023-01-23 Jason Merrill PR c++/53288 DR 1299 * call.cc (extend_ref_init_temps_1): Handle ptrmem expression. 2023-01-19 Jakub Jelinek PR c++/108437 * cp-tree.h (keep_unused_object_arg): Declare. * call.cc (keep_unused_object_arg): No longer static. * tree.cc (build_min_non_dep_op_overload): Handle ARRAY_REF with overload being static member function. 2023-01-19 Jakub Jelinek PR c++/53932 * cp-gimplify.cc (cp_fold_r): During cp_fully_fold_init replace DECL_ANON_UNION_VAR_P VAR_DECLs with their corresponding DECL_VALUE_EXPR. 2023-01-16 Jakub Jelinek PR c++/105593 * decl.cc (cp_finish_decl): Check warning_enabled_at at the DECL_SOURCE_LOCATION (decl) for OPT_Winit_self instead of warn_init_self. 2023-01-14 Jakub Jelinek PR c++/108365 * typeck.cc (cp_build_binary_op): Use may_shorten_divmod for integral division or modulo. 2023-01-13 Jakub Jelinek PR c++/108285 * cvt.cc (cp_convert_and_check): For EXCESS_PRECISION_EXPR use its operand except that for warning purposes use the original EXCESS_PRECISION_EXPR. * call.cc (convert_like_internal): Only look through EXCESS_PRECISION_EXPR when calling cp_convert, not when calling cp_convert_and_check. 2023-01-09 Jakub Jelinek PR c++/105838 PR c++/108047 PR c++/108266 * call.cc (maybe_init_list_as_range): Always return NULL_TREE if processing_template_decl. 2023-01-05 Patrick Palka PR c++/108275 * parser.cc (cp_parser_class_head): Use dk_deferred instead of dk_no_check when parsing the class name. 2023-01-05 Jakub Jelinek PR c++/108286 * semantics.cc (finish_omp_target_clauses): Ignore clauses other than OMP_CLAUSE_MAP. 2023-01-04 Patrick Palka PR c++/108282 * decl2.cc (mark_single_function): Ignore mark_used failure only in a non-SFINAE context rather than in a SFINAE one. 2023-01-04 Jakub Jelinek PR c++/108206 * decl.cc (merge_default_template_args): Return false if either new_parm or old_parm are erroneous. 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