2021-04-06 Jason Merrill PR c++/96673 * init.c (get_nsdmi): Don't defer access checking. 2021-04-06 Jason Merrill PR c++/99901 * decl.c (cp_finish_decl): mark_needed an implicitly inline static data member with an out-of-class redeclaration. 2021-04-06 Jason Merrill PR c++/91241 * mangle.c (write_compact_number): Add sanity check. (write_local_name): Use list_length for parm number. 2021-04-06 Patrick Palka PR c++/99899 * pt.c (do_auto_deduction): Don't exit early when deducing the array type of a structured binding. Also handle adc_decomp_type during constraint checking. 2021-04-05 Jason Merrill PR c++/96311 * typeck.c (check_return_expr): Call mark_exp_read in dependent case. 2021-04-05 Jason Merrill PR c++/98440 * typeck.c (build_reinterpret_cast_1): Don't perform temporary materialization. 2021-04-05 Jason Merrill PR c++/95317 * pt.c (lookup_template_class_1): Do tsubst_enum when tsubsting a generic lambda. 2021-04-05 Jason Merrill PR c++/95870 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if there is no enclosing non-lambda function. 2021-04-05 Nathan Sidwell PR c++/99380 * module.cc (name_pending_imports): Drop 'atend' parm. Don't query export when not needed. (preprocess_module, preprocessed_module): Adjust. 2021-04-05 Jason Merrill PR c++/99066 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL. 2021-04-05 Jason Merrill PR c++/99201 * pt.c (class el_data): Add visited field. (extract_local_specs): Pass it to cp_walk_tree. (extract_locals_r): Walk into the body of a lambda. 2021-04-05 Jason Merrill * ptree.c (cxx_print_decl): Check DECL_MODULE_IMPORT_P on template result. 2021-04-04 Jason Merrill PR c++/99643 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR. 2021-04-03 Marek Polacek PR c++/91416 * parser.c: Create a GC root for attributes in a decl specifier. (cp_parser_type_specifier): Push/pop ->attributes onto/from it. 2021-04-03 Jason Merrill PR c++/91217 * pt.c (tsubst_lambda_expr): Skip the body block from DECL_SAVED_TREE. 2021-04-03 Jason Merrill PR c++/90664 * cvt.c (can_convert_qual): Check fnptr_conv_p. 2021-04-03 Jason Merrill PR c++/97900 * pt.c (regenerate_decl_from_template): tsubst_decl the parms. 2021-04-02 Patrick Palka PR c++/99869 * parser.c (do_range_for_auto_deduction): Pass adc_variable_type to do_auto_deduction. 2021-04-02 Patrick Palka PR c++/99586 * semantics.c (finish_compound_literal): Check template_placeholder_p instead of type_uses_auto. 2021-04-02 Jason Merrill PR c++/97938 * cp-tree.h (PACK_EXPANSION_AUTO_P): New. * lambda.c (add_capture): Set it. * pt.c (tsubst_pack_expansion): Handle it. 2021-04-02 Nathan Sidwell * cp-tree.h (lang_decl_base): Correct module flag comment. * module.cc (trees_in::assert_definition): Break out not_tmpl var. (trees_out::lang_decl_bools): Do not write purview for header units. 2021-04-01 Marek Polacek PR c++/99831 * method.c (defaulted_late_check): ++ and -- function_depth around the call to synthesize_method. * pt.c: Remove the saved_trees global. 2021-04-01 Jason Merrill PR c++/99583 PR c++/99584 * tree.c (cp_walk_subtrees) [FUNCTION_TYPE]: Walk into TYPE_RAISES_EXCEPTIONS. 2021-04-01 Iain Sandoe * mapper-client.cc (INCLUDE_MAP): New; require map to be included from system.h. * mapper-resolver.cc (INCLUDE_MAP): Likewise. 2021-04-01 Jason Merrill PR c++/98481 * mangle.c (write_expression): Adjust. * class.c (find_abi_tags_r): Disable PR98481 fix for ABI v14. (mark_abi_tags_r): Likewise. 2021-04-01 Nathan Sidwell PR c++/99283 * module.cc (trees_out::decl_node): Adjust importedness reference assert. (module_state::intercluster_seed): New. Seed both imports and inter-cluster references. Broken out of ... (module_state::write_cluster): ... here. Call it. 2021-03-31 Jason Merrill PR c++/99445 * tree.c (strip_typedefs): Handle TYPE_PACK_EXPANSION. 2021-03-31 Patrick Palka PR c++/88115 * mangle.c (write_expression): Adjust the mangling of __alignof__. 2021-03-31 Patrick Palka PR c++/99815 * pt.c (placeholder_type_constraint_dependent_p): Expand argument packs to separate the first non-pack argument from the rest. 2021-03-30 Nathan Sidwell PR c++/99283 * module.cc (dumper::operator): Make less brittle. (trees_out::core_bools): VAR_DECLs always have a context. (trees_out::key_mergeable): Use same_type_p for asserting. (trees_in::read_var_def): Propagate DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. 2021-03-30 Jakub Jelinek PR c++/99790 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST. 2021-03-26 Marek Polacek PR c++/98352 * method.c (implicitly_declare_fn): Pass &raises to synthesized_method_walk. 2021-03-26 Nathan Sidwell PR c++/99283 * cp-tree.h (DECL_MODULE_CHECK): Ban TEMPLATE_DECL. (SET_TYPE_TEMPLATE_INFO): Restore Alias template setting. * decl.c (duplicate_decls): Remove template_decl module flag propagation. * module.cc (merge_kind_name): Add alias tmpl spec as a thing. (dumper::impl::nested_name): Adjust for template-decl module flag change. (trees_in::assert_definition): Likewise. (trees_in::install_entity): Likewise. (trees_out::decl_value): Likewise. Remove alias template separation of template and type_decl. (trees_in::decl_value): Likewise. (trees_out::key_mergeable): Likewise, (trees_in::key_mergeable): Likewise. (trees_out::decl_node): Adjust for template-decl module flag change. (depset::hash::make_dependency): Likewise. (get_originating_module, module_may_redeclare): Likewise. (set_instantiating_module, set_defining_module): Likewise. * name-lookup.c (name_lookup::search_adl): Likewise. (do_pushdecl): Likewise. * pt.c (build_template_decl): Likewise. (lookup_template_class_1): Remove special alias_template handling of DECL_TI_TEMPLATE. (tsubst_template_decl): Likewise. 2021-03-26 Jakub Jelinek PR c++/99705 * tree.c (bot_manip): Remap artificial automatic temporaries mentioned in DECL_EXPR or in BIND_EXPR_VARS. 2021-03-25 Jakub Jelinek PR c++/99672 * parser.c (cp_parser_postfix_expression): For calls, create combined_loc and temporarily set input_location to it before calling finish_call_expr. 2021-03-25 Marek Polacek PR c++/94751 * call.c (build_over_call): Maybe call mark_used in case deduce_inheriting_ctor fails and return error_mark_node. * cp-tree.h (deduce_inheriting_ctor): Adjust declaration. * method.c (deduce_inheriting_ctor): Return bool if the deduction fails. (implicitly_declare_fn): If raises is error_mark_node, call synthesized_method_walk with diag being true. 2021-03-25 Jakub Jelinek PR c++/99745 * decl2.c (grokbitfield): Diagnose bitfields containing bare parameter packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case. 2021-03-25 Marek Polacek PR c++/99331 * call.c (build_converted_constant_expr_internal): Don't emit -Wconversion warnings. 2021-03-25 Jakub Jelinek PR c++/99565 * call.c (build_conditional_expr_1): Pass OEP_ADDRESS_OF_SAME_FIELD to operand_equal_p. * cvt.c (convert_to_void): Preserve location_t on COND_EXPR or or COMPOUND_EXPR. 2021-03-23 Nathan Sidwell PR c++/99283 * name-lookup.c (check_module_override): Set global or partition DUP on the binding vector. 2021-03-23 Marek Polacek PR c++/99318 * decl2.c (cp_warn_deprecated_use_scopes): Only call cp_warn_deprecated_use when decl is a namespace, class, or enum. 2021-03-23 Nathan Sidwell PR c++/99239 * decl.c (duplicate_decls): Remove assert about maybe-imported artificial decls. 2021-03-23 Jakub Jelinek PR c++/99650 * decl.c (cp_finish_decomp): Diagnose void initializers when using tuple_element and get. 2021-03-22 Nathan Sidwell PR c++/99480 * module.cc (depset::hash::make_dependency): Propagate flags for partial specialization. (module_may_redeclare): Handle partial specialization. 2021-03-22 Nathan Sidwell PR c++/99425 * cp-tree.h (map_context_from, map_context_to): Delete. (add_mergeable_specialization): Add is_alias parm. * pt.c (add_mergeable_specialization): Add is_alias parm, add them. * module.cc (map_context_from, map_context_to): Delete. (trees_in::decl_value): Add specializations later, adjust call. Drop useless alias lookup. Set duplicate fn parm context. (check_mergeable_decl): Drop context mapping. (trees_in::is_matching_decl): Likewise. (trees_in::read_function_def): Drop parameter context adjustment here. 2021-03-22 Martin Liska PR c++/99687 * module.cc (fini_modules): Call vec_free instead of delete. 2021-03-20 Jakub Jelinek PR debug/99230 * cp-gimplify.c (cp_genericize_r) : Remove special code, instead call c_genericize_control_stmt. 2021-03-19 Jakub Jelinek PR c++/99456 * constexpr.c (cxx_eval_constant_expression): For CONVERT_EXPR from INDIRECT_TYPE_P to ARITHMETIC_TYPE_P, when !ctx->manifestly_const_eval don't diagnose it, set *non_constant_p nor return t. 2021-03-19 Marek Polacek PR c++/99500 * parser.c (cp_parser_requirement_parameter_list): Handle error_mark_node. 2021-03-18 Marek Polacek * pt.c (tsubst_copy_and_build) : Remove. 2021-03-18 Marek Polacek * pt.c (tsubst_copy_and_build): Add assert. 2021-03-18 Iain Sandoe PR objc++/49070 * parser.c (cp_debug_parser): Add Objective-C++ message state flag. (cp_parser_nested_name_specifier_opt): Allow colon to terminate an assignment-expression when parsing Objective- C++ messages. (cp_parser_objc_message_expression): Set and clear message parsing state on entry and exit. * parser.h (struct cp_parser): Add a context flag for Objective-C++ message state. 2021-03-18 Martin Liska PR c++/99617 * coroutines.cc (struct var_nest_node): Init then_cl and else_cl to NULL. 2021-03-17 Marek Polacek PR c++/97973 * call.c (conv_unsafe_in_template_p): New. (convert_like): Use it. 2021-03-17 Anthony Sharp Jason Merrill * semantics.c (get_class_access_diagnostic_decl): New function that examines special cases when a parent class causes a private access failure. (enforce_access): Slightly modified to call function above. 2021-03-16 Jason Merrill * tree.c (cp_tree_equal): Use real_identical. 2021-03-16 Jakub Jelinek PR c++/99613 * decl.c (expand_static_init): For thread guards, call __cxa_atexit before calling __cxa_guard_release rather than after it. Formatting fixes. 2021-03-16 Martin Liska Jason Merrill PR c++/99108 * call.c (get_function_version_dispatcher): Handle DECL_LOCAL_DECL_P. * decl.c (maybe_version_functions): Likewise. (maybe_mark_function_versioned): New. * name-lookup.c (push_local_extern_decl_alias): No longer static. * name-lookup.h (push_local_extern_decl_alias): Adjust. 2021-03-16 Nathan Sidwell PR c++/99496 * module.cc (trees_out::decl_value): Adjust typedef streaming, indicate whether it is a dependent alias. (trees_in::decl_value): Likewise. Set as dependent alias, if it is one. 2021-03-15 Iain Sandoe PR c++/99047 * coroutines.cc (expand_one_await_expression): If the await_ready() expression is not a boolean then convert it as required. 2021-03-15 Iain Sandoe PR c++/98704 * coroutines.cc (build_actor_fn): Make destroy index 1 correspond to the abnormal unhandled_exception() exit. Substitute the proxy for the resume index. (coro_rewrite_function_body): Arrange to reset the resume index and make done = true for a rethrown exception from unhandled_exception (). (morph_fn_to_coro): Adjust calls to build_actor_fn and coro_rewrite_function_body. 2021-03-15 Iain Sandoe PR c++/98480 * coroutines.cc (replace_continue): Rewrite continue into 'goto label'. (await_statement_walker): Handle await expressions in the initializer, condition and iteration expressions of for loops. 2021-03-15 Iain Sandoe PR c++/96749 * coroutines.cc (flatten_await_stmt): Allow for the case where a target expression variable only has uses in the second part of a compound expression. (maybe_promote_temps): Avoid emiting empty statements. 2021-03-15 Tobias Burnus PR c++/99509 * decl.c (cp_finish_decl): For 'omp declare target implicit' vars, ensure that the varpool node is marked as offloadable. 2021-03-12 Nathan Sidwell PR c++/99238 * module.cc (depset::hash::add_binding_entity): Assert not visited. (depset::add::add_specializations): Likewise. * name-lookup.c (name_lookup::dedup): New. (name_lookup::~name_lookup): Assert not deduping. (name_lookup::restore_state): Likewise. (name_lookup::add_overload): Replace outlined code with dedup call. (name_lookup::add_value): Likewise. (name_lookup::search_namespace_only): Likewise. (name_lookup::adl_namespace_fns): Likewise. (name_lookup::adl_class_fns): Likewise. (name_lookup::search_adl): Likewise. Add clearing dedup call. (name_lookup::search_qualified): Likewise. (name_lookup::search_unqualified): Likewise. 2021-03-12 Jakub Jelinek PR c++/99507 * call.c (build_over_call): For immediate evaluation of functions that return references, undo convert_from_reference effects before calling cxx_constant_value and call convert_from_reference afterwards. 2021-03-11 Nathan Sidwell PR c++/99248 * name-lookup.c (lookup_elaborated_type_1): Access slot not bind when there's a binding vector. * ptree.c (cxx_print_xnode): Lazy flags are no longer a thing. 2021-03-11 Nathan Sidwell PR c++/99528 * module.cc (enum merge_kind): Delete MK_type_tmpl_spec, MK_decl_tmpl_spec. (trees_in::decl_value): Adjust add_mergeable_specialization call. (trees_out::get_merge_kind): Adjust detecting a partial template instantiation. (trees_out::key_mergeable): Adjust handling same. (trees_in::key_mergeabvle): Likewise. 2021-03-10 Nathan Sidwell PR c++/99423 * module.cc (post_load_processing): Assert not gcable. (laxy_load_pendings): Extend no-gc region around post_load_processing. 2021-03-10 Nathan Sidwell PR c++/99508 * decl.c (make_rtl_for_nonlocal_decl): Propagate local-extern's assembler name to the ns alias. 2021-03-09 Jakub Jelinek PR c++/99459 * coroutines.cc (build_co_await): Look through NOP_EXPRs in build_special_member_call return value to find the CALL_EXPR. Simplify. 2021-03-09 Nathan Sidwell PR c++/99472 * parser.c (cp_parser_diagnose_invalid_type_name): Clarify that C++20 does not yet imply modules. 2021-03-08 Nathan Sidwell PR c++/99436 * name-lookup.c (get_cxx_dialect_name): Add cxx23. 2021-03-08 Nathan Sidwell * lex.c (module_token_filter::resume): Ignore module-decls inside header-unit. * parser.c (cp_parser_module_declaration): Reject in header-unit. 2021-03-08 Nathan Sidwell PR c++/99285 * cp-tree.h (match_mergeable_specialization) (add_mergeable_specialization): Adjust parms. * module.cc (trees_in::decl_value): Adjust add_mergeable_specialization calls. (trees_out::key_mergeable): Adjust match_mergeable_specialization calls. (specialization_add): Likewise. * pt.c (match_mergeable_specialization): Do not insert. (add_mergeable_specialization): Add to hash table here. 2021-03-06 Patrick Palka Jakub Jelinek PR c++/99287 * constexpr.c (cxx_eval_increment_expression): Pass lval when evaluating the MODIFY_EXPR, and update 'mod' with the result of this evaluation. Check *non_constant_p afterwards. For prefix ops, just return 'mod'. 2021-03-06 Patrick Palka Jakub Jelinek PR c++/96330 * pt.c (tsubst_copy) : Rename local variable 'fn' to 'tmpl'. Handle a variable template-id by calling lookup_template_variable. 2021-03-06 Patrick Palka PR c++/99365 * pt.c (unify) : Pass targs as outer_targs to do_auto_deduction. (placeholder_type_constraint_dependent_p): Define. (do_auto_deduction): When processing_template_decl != 0 and context is adc_unify and we have constraints, pretend the constraints are satisfied instead of punting. Otherwise don't punt unless placeholder_type_constraint_dependent_p holds. Add some clarifying sanity checks. Add a hack to add missing outermost template levels to outer_args before checking satisfaction. Don't substitute outer_targs into type if it's already been done. 2021-03-05 Marek Polacek PR c++/99374 * call.c (standard_conversion): When converting pointers to member, don't return NULL when the bases are equivalent but incomplete. 2021-03-05 Marek Polacek PR c++/99120 * name-lookup.c (check_local_shadow): Check if the type of decl is non-null before checking TYPE_PTR*. 2021-03-05 Nathan Sidwell PR c++/99245 * module.cc (module_state::write_cluster): Relax binding assert. 2021-03-05 Nathan Sidwell PR c++/99377 * pt.c (instantiate_decl): Call set_instantiating_module. 2021-03-05 Iain Sandoe PR c++/98118 * coroutines.cc (build_co_await): Use type_build_ctor_call() to determine cases when a CTOR needs to be built. (flatten_await_stmt): Likewise. (morph_fn_to_coro): Likewise. 2021-03-05 Iain Sandoe PR c++/95616 * coroutines.cc (coro_diagnose_throwing_fn): New helper. (coro_diagnose_throwing_final_aw_expr): New helper. (build_co_await): Diagnose throwing final await expression components. (build_init_or_final_await): Diagnose a throwing promise final_suspend() call. 2021-03-05 Iain Sandoe PR c++/95615 * coroutines.cc (struct param_info): Track parameter copies that need a DTOR. (coro_get_frame_dtor): New helper function factored from build_actor(). (build_actor_fn): Use coro_get_frame_dtor(). (morph_fn_to_coro): Track parameters that need DTORs on exception, likewise the frame promise and the return object. On exception, run the DTORs for these, destroy the frame and then rethrow the exception. 2021-03-05 Nathan Sidwell PR c++/99389 * pt.c (instantiate_class_template_1): Set instantiating module here. 2021-03-05 Tobias Burnus PR c/99137 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions. 2021-03-04 Jakub Jelinek PR c++/88146 PR c++/99362 * cvt.c (convert_to_void): Revert 2019-10-17 changes. Clarify comment. 2021-03-04 Nathan Sidwell PR c++/99170 * module.cc (class uintset): Delete. (typedef attached_map_t): A hash map. (attached_table): Use attached_map_t. Adjust uses ... (trees_out::decl_value, trees_in::decl_value): ... here ... (trees_out::key_mergeable): ... here ... (trees_in::key_mergeable): ... here ... (maybe_attach_decl): ... here ... (direct_import): ... and here. 2021-03-04 Nathan Sidwell PR c++/99170 * cp-tree.h * lex.c (cxx_dup_lang_specific_decl): Adjust for module_attached_p rename. * module.cc (class pending_key): New. (default_hash_traits): New specialization. (pending_map_t): New typedef. (pending_table): Replace old table. (trees_out::lang_decl_bools): Adjust. (trees_in::lang_decl_bools): Adjust. (trees_in::install_entity): Drop pending member and specialization handling. (find_pending_key): New. (depset::hash::fiund_dependencies): Use it. (pendset_lazy_load): Delete. (module_state::write_cluster): Don't count pendings here. Bye Duff's device-like thing. (module_state::write_pendings): Reimplement. (module_state::read_pendings): Reimplement. (lazy_specializations_p): Delete. (module_state::write): Adjust write_pendings call. (lazy_load_pendings): New. (lazy_load_specializations): Delete. (lazy_load_members): Delete. (init_modules): Adjust. * name-lookup.c (maybe_lazily_declare): Call lazy_load_pendings not lazy_load_members. (note_pending_specializations): Delete. (load_pending_specializations): Delete. * name-lookup.h (BINDING_VECTR_PENDING_SPECIALIZATIONS_P): Delete. (BINDING_VECTOR_PENDING_MEMBERS_P): Delete. (BINDING_VECTR_PENDING_MEMBERS_P): Delete. (note_pending_specializations): Delete. (load_pending_specializations): Delete. * pt.c (lookup_template_class_1): Call lazy_load_pendings not lazy_load_specializations. (instantiate_template_class_1): Likewise. (instantiate_decl): Call lazy_load_pendings. * typeck.c (complete_type): Likewise. 2021-03-03 Nathan Sidwell PR c++/99170 * module.cc (post_load_decls): New. (lazy_snum, recursive_lazy): Move earlier. (module_state::read_cluster): Push cloning onto post_load_decls. (post_load_processing): New. Do the cloning here. (module_state::read_inits): Call post_load_processing. (module_state::read_language): Likewise. (lazy_load_binding, lazy_load_specializations): Likewise (lazy_load_members): Likewise 2021-03-03 Nathan Sidwell PR c++/99170 * module.cc (trees_out::decl_value): Stream specialization keys after decl. (trees_in::decl_value): Stream them back and insert after completing the decl. (trees_out::key_mergeable): Drop some streaming here ... (trees_in::key_mergeable): ... and here. Don't insert into specialization tables. 2021-03-03 Patrick Palka * constraint.cc (struct sat_info): Document the different meanings of noisy() and diagnose_unsatisfaction_p() during satisfaction and requires-expression evaluation. (tsubst_valid_expression_requirement): Take a sat_info instead of a subst_info. Perform the substitution quietly first. Fold in error-replaying code from diagnose_valid_expression. (tsubst_simple_requirement): Take a sat_info instead of a subst_info. (tsubst_type_requirement_1): New. Fold in error-replaying code from diagnose_valid_type. (tsubst_type_requirement): Use the above. Take a sat_info instead of a subst_info. (tsubst_compound_requirement): Likewise. Fold in error-replaying code from diagnose_compound_requirement. (tsubst_nested_requirement): Take a sat_info instead of a subst_info. Fold in error-replaying code from diagnose_nested_requirement. (tsubst_requirement): Take a sat_info instead of a subst_info. (tsubst_requires_expr): Split into two versions, one that takes a sat_info argument and another that takes a complain and in_decl argument. Remove outdated documentation. Document the effects of the sat_info argument. Don't short-circuit processing of requirements when diagnosing unsatisfaction, mirroring diagnose_requires_expr. (satisfy_nondeclaration_constraint) : Remove assert, and se the three-parameter version of tsubst_requires_expr. (diagnose_trait_expr): Make static. Take a template argument vector instead of a parameter mapping. (diagnose_valid_expression): Remove. (diagnose_valid_type): Remove. (diagnose_simple_requirement): Remove. (diagnose_compound_requirement): Remove. (diagnose_type_requirement): Remove. (diagnose_nested_requirement): Remove. (diagnose_requirement): Remove. (diagnose_requires_expr): Remove. (diagnose_atomic_constraint): Take a sat_info instead of a subst_info. Adjust call to diagnose_trait_expr. Call tsubst_requires_expr instead of diagnose_requires_expr. (diagnose_constraints): Remove special casing of REQUIRES_EXPR and just always call constraint_satisfaction_value. 2021-03-03 Patrick Palka * constexpr.c (cxx_eval_call_expression): Adjust call to evaluate_concept_check. (cxx_eval_constant_expression) : Use evaluate_requires_expression instead of satisfy_constraint_expression. : Adjust call to evaluate_concept_check. * constraint.cc (struct sat_info): Adjust comment about which satisfaction entrypoints use noisy-unsat. (normalize_template_requirements): Remove (and adjust callers appropriately). (normalize_nontemplate_requirements): Likewise. (tsubst_nested_requirement): Use constraint_satisfaction_value instead of satisfy_constraint_expression, which'll do the noisy replaying of ill-formed quiet satisfaction for us. (decl_satisfied_cache): Adjust comment. (satisfy_constraint): Rename to ... (satisfy_normalized_constraints): ... this. (satisfy_associated_constraints): Remove (and make its callers check for dependent arguments). (satisfy_constraint_expression): Rename to ... (satisfy_nondeclaration_constraints): ... this. Assert that 'args' is empty when 't' is a concept-id. Removing handling bare constraint-expressions, and handle REQUIRES_EXPRs specially. Adjust comment accordingly. (satisfy_declaration_constraints): Assert in the two-parameter version that 't' is not a TEMPLATE_DECL. Adjust following removal of normalize_(non)?template_requirements and satisfy_asociated_constraints. (constraint_satisfaction_value): Combine the two- and three-parameter versions in the natural way. (constraints_satisfied_p): Combine the one- and two-parameter versions in the natural way. Improve documentation. (evaluate_requires_expr): Define. (evaluate_concept_check): Remove 'complain' parameter. Use constraint_satisfaction_value instead of satisfy_constraint_expression. (diagnose_nested_requirement): Adjust following renaming of satisfy_constraint_expression. (diagnose_constraints): Handle REQUIRES_EXPR by going through diagnose_requires_expr directly instead of treating it as a constraint-expression. Improve documentation. * cp-gimplify.c (cp_genericize_r) : Adjust call to evaluate_concept_check. : Use evaluate_requires_expr instead of constraints_satisfied_p. : Adjust call to evaluate_concept_check. * cp-tree.h (evaluate_requires_expr): Declare. (evaluate_concept_check): Remove tsubst_flag_t parameter. (satisfy_constraint_expression): Remove declaration. (constraints_satisfied_p): Remove one-parameter declaration. Add a default argument to the two-parameter declaration. * cvt.c (convert_to_void): Adjust call to evaluate_concept_check. 2021-03-03 Jakub Jelinek PR c++/82959 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR and COMPOUND_EXPR. 2021-03-03 Marek Polacek PR c++/97034 PR c++/99009 * pt.c (build_deduction_guide): Use INNERMOST_TEMPLATE_ARGS. (maybe_aggr_guide): Use the original template type where needed. In a class member template, partially instantiate the result of collect_ctor_idx_types. (do_class_deduction): Defer the deduction until the enclosing scope is non-dependent. 2021-03-03 Jason Merrill PR c++/95675 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR if it didn't get one before. 2021-03-03 Nathan Sidwell PR c++/99344 * module.cc (trees_out::decl_node): Small refactor. (depset::hash::add_binding_entity): Return true on meeting an import. Set namespace's import here. (module_state:write_namespaces): Inform of purview too. (module_state:read_namespaces): Adjust. * name-lookup.c (implicitly_export_namespace): Delete. (do_pushdecl): Don't call it. (push_namespace): Likewise, set purview. (add_imported_namespace): Reorder parms. * name-lookup.h (add_imported_namespace): Alter param ordering. 2021-03-02 Martin Sebor PR c++/99251 * class.c (build_base_path): Call build_if_nonnull. * cp-tree.h (build_if_nonnull): Declare. * rtti.c (ifnonnull): Rename... (build_if_nonnull): ...to this. Set no-warning bit on COND_EXPR. (build_dynamic_cast_1): Adjust to name change. 2021-03-02 Patrick Palka PR c++/96443 PR c++/96960 * constraint.cc (type_deducible_p): Don't substitute into the constraints, and instead just pass 'args' to do_auto_deduction as the outer template arguments. (tsubst_parameter_mapping): Remove confused code for handling placeholder type arguments. (normalize_placeholder_type_constraint): Define. (satisfy_constraint_expression): Use it to handle placeholder 'auto' types. * cp-tree.h (PLACEHOLDER_TYPE_CONSTRAINTS_INFO): Define. (PLACEHOLDER_TYPE_CONSTRAINTS): Redefine in terms of the above. * pt.c (tsubst) : Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead. (make_constrained_placeholder_type): Set PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead. (do_auto_deduction): Clarify comments about the outer_targs parameter. Rework satisfaction of a placeholder type constraint to pass in the complete set of template arguments directly to constraints_satisfied_p. (splice_late_return_type): Use PLACEHOLDER_TYPE_CONSTRAINTS_INFO instead. Also rebuild the the constraint info on the new auto. 2021-03-02 Patrick Palka * constraint.cc (build_parameter_mapping): Rely on the caller to determine the in-scope template parameters. (norm_info::norm_info): Delegate the tsubst_flags_t constructor to the two-parameter constructor. In the two-parameter constructor, fold in the definition of make_context, set initial_parms appropriately, and don't set the now-removed orig_decl member. (norm_info::make_context): Remove, now that its only use is inlined into the caller. (norm_info::update_context): Adjust call to build_parameter_mapping to pass in the relevant set of in-scope template parameters. (norm_info::ctx_parms): Define this member function. (norm_info::context): Initialize to NULL_TREE. (norm_info::orig_decl): Remove this data member. (norm_info::initial_parms): Define this data member. (normalize_atom): Adjust call to build_parameter_mapping to pass in the relevant set of in-scope template parameters. Use info.initial_parms instead of info.orig_decl. (normalize_constraint_expression): Take a norm_info object instead of a bool. Cache the result of normalization. (tsubst_nested_requirement): Call satisfy_constraint_expression instead of satisfy_constraint, so that we normalize on demand. (satisfy_constraint_expression): Handle a NESTED_REQ argument. Adjust call to normalize_constraint_expression. (finish_nested_requirement): Set the TREE_TYPE of the NESTED_REQ to current_template_parms. (diagnose_nested_requirements): Go through satisfy_constraint_expression, as with tsubst_nested_requirement. 2021-03-02 Patrick Palka * constraint.cc (tsubst_parameter_mapping): Canonicalize the arguments of a substituted TYPE_ARGUMENT_PACK even if we've started with a TYPE_ARGUMENT_PACK. (finish_requires_expr): Don't set DECL_CONTEXT and CONSTRAINT_VAR_P on each of the introduced parameters here. * parser.c (cp_parser_requirement_parameter_list): Instead set these fields earlier, here. * pt.c (do_auto_deduction): Canonicalize the result of do_auto_deduction. Pass 'complain' to finish_decltype_type. 2021-03-02 Patrick Palka * constraint.cc (tsubst_simple_requirement): Just return boolean_true_node on success. (tsubst_type_requirement): Likewise. (tsubst_compound_requirement): Likewise. (tsubst_nested_requirement): Likewise. (tsubst_requirement_body): Remove. (check_constaint_variables): Rename to ... (check_constraint_variables): ... this. (tsubst_constraint_variables): Adjust. (tsubst_requires_expr): Fold tsubst_requirement_body into here. 2021-03-01 Nathan Sidwell PR c++/99294 * class.c (fixup_type_variants): Propagate mode, precision, alignment & emptiness. * module.cc (trees_out::type_node): Use TYPE_ALIGN_RAW. (trees_in::tree_node): Rematerialize alignment here. 2021-02-27 Jason Merrill PR c++/90333 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes between () and ->. 2021-02-26 Jakub Jelinek * parser.c (cp_parser_lambda_declarator_opt): Implement P1102R2 - Down with ()! Make ()s optional before lambda specifiers for -std={c,gnu}++2b or with pedwarn in earlier versions. 2021-02-26 Jakub Jelinek PR c++/95451 * lambda.c (is_lambda_ignored_entity): Before checking for LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check. 2021-02-26 Jason Merrill PR c++/98810 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const to a class non-type template argument that needs it. 2021-02-26 Patrick Palka PR c++/98990 * pt.c (splice_late_return_type): Rebuild the entire return type if we have to adjust the level of an auto within. (type_uses_auto): Adjust call to find_type_usage. * type-utils.h (find_type_usage): Revert r10-6571 change that made this function return a pointer to the auto node. 2021-02-25 Patrick Palka PR c++/99213 PR c++/94521 * error.c (dump_scope): Pass TFF_NO_TEMPLATE_BINDINGS instead of TFF_NO_FUNCTION_ARGUMENTS when dumping a function scope. 2021-02-25 Patrick Palka PR c++/99103 * pt.c (is_spec_or_derived): Drop cv-qualifiers from 'etype'. (maybe_aggr_guide): Fix order of arguments to is_spec_or_derived. 2021-02-25 Marek Polacek DR 1312 PR c++/99176 * constexpr.c (is_std_construct_at): New overload. (is_std_allocator_allocate): New overload. (cxx_eval_call_expression): Use the new overloads. (cxx_eval_constant_expression): Reject casting from void * as per DR 1312. Don't check can_convert. 2021-02-25 Iain Sandoe PR c++/97587 * coroutines.cc (struct param_info): Track rvalue refs. (morph_fn_to_coro): Track rvalue refs, and call the promise CTOR with the frame copy of passed parms. 2021-02-25 Iain Sandoe PR c++/95822 * coroutines.cc (morph_fn_to_coro): Unconditionally remove any set throwing_cleanup marker. 2021-02-25 Nathan Sidwell PR c++/99166 * module.cc (module_state::inform_cmi_p): Renamed field. (module_state::do_import): Adjust. (init_modules, finish_module_processing): Likewise. (handle_module_option): Likewise. 2021-02-25 Nathan Sidwell PR c++/98318 * mapper-client.cc (module_client::open_module_client): Fix typo of fd init. 2021-02-24 Nathan Sidwell PR c++/98718 * module.cc (ool): New indirection vector. (loc_spans::maybe_propagate): Location is not optional. (loc_spans::open): Likewise. Assert monotonically advancing. (module_for_ordinary_loc): Use ool indirection vector. (module_state::write_prepare_maps): Do not count empty macro expansions. Elide empty spans. (module_state::write_macro_maps): Skip empty expansions. (ool_cmp): New qsort comparator. (module_state::write): Create and destroy ool vector. (name_pending_imports): Fix dump push/pop. (preprocess_module): Likewise. Add more dumping. (preprocessed_module): Likewise. 2021-02-24 Iain Sandoe PR c++/96251 * coroutines.cc (coro_common_keyword_context_valid_p): Suppress error reporting when instantiating for a constexpr. 2021-02-23 Nathan Sidwell PR c++/99208 * decl.c (name_unnamed_type): Check DECL identity, not IDENTIFIER identity. 2021-02-23 Patrick Palka PR c++/95468 * pt.c (tsubst_copy_and_build) : New case, copied over from tsubst_copy. 2021-02-23 Patrick Palka * pt.c (instantiation_dependent_expression_p): Check processing_template_decl before calling potential_constant_expression. 2021-02-22 Nathan Sidwell PR c++/99174 * module.cc (struct module_state): Add visited_p flag. (name_pending_imports): Use it to avoid duplicate requests. (preprocess_module): Don't read preprocessor state if we failed to load a module's config. 2021-02-22 Nathan Sidwell PR c++/99153 * decl.c (duplicate_decls): Move DECL_MODULE_IMPORT_P propagation to common-path. * module.cc (set_defining_module): Add assert. 2021-02-19 Nathan Sidwell PR c++/98741 * module.cc (pending_imports): New. (declare_module): Adjust test condition. (name_pending_imports): New. (preprocess_module): Reimplement using pending_imports. (preprocessed_module): Move name-getting to name_pending_imports. * name-lookup.c (append_imported_binding_slot): Assert module ordering is increasing. 2021-02-19 Nathan Sidwell * module.cc (note_cmis): New. (struct module_state): Add inform_read_p bit. (module_state::do_import): Inform of CMI location, if enabled. (init_modules): Canonicalize note_cmis entries. (handle_module_option): Handle -flang-info-module-read=FOO. 2021-02-19 Jason Merrill PR c++/96926 * call.c (perfect_conversion_p): Limit rvalueness test to reference bindings. 2021-02-19 Jason Merrill PR c++/96926 * call.c (perfect_conversion_p): New. (perfect_candidate_p): New. (add_candidates): Ignore templates after a perfect non-template. 2021-02-18 Nathan Sidwell PR c++/99023 * module.cc (canonicalize_header_name): Use cpp_probe_header_unit. (maybe_translate_include): Fix note_includes comparison. (init_modules): Fix note_includes string termination. 2021-02-18 Jakub Jelinek PR c++/99132 * cp-gimplify.c (cp_genericize_r) : Use cp_get_callee_fndecl_nofold instead of cp_get_callee_fndecl to check for immediate function calls. 2021-02-17 Nathan Sidwell PR c++/99023 * module.cc (struct macro_export): Add GTY markers. (macro_exports): Likewise, us a va_gc Vector. 2021-02-17 Jakub Jelinek PR sanitizer/99106 * init.c (build_zero_init_1): For flexible array members just return NULL_TREE instead of returning empty CONSTRUCTOR with non-complete ARRAY_TYPE. 2021-02-17 Nathan Sidwell PR c++/99116 * name-lookup.c (do_pushdecl): Don't peek under template_parm bindings here ... (set_identifier_type_value_with_scope): ... or here. (do_pushtag): Only set_identifier_type_value_with_scope at non-class template parm scope, and use parent scope. 2021-02-17 Nathan Sidwell PR c++/99071 * name-lookup.c (maybe_record_mergeable_decl): Deref the correct pointer. 2021-02-17 Patrick Palka PR debug/96997 PR c++/94034 * tree.c (build_aggr_init_expr): Revert r10-7718 change. 2021-02-12 Nathan Sidwell * module.cc (module_state::write_cluster): Check bindings for imported using-decls. 2021-02-12 Nathan Sidwell PR c++/99040 * module.cc (trees_in::decl_value): Call add_module_namespace_decl for new namespace-scope entities. (module_state::read_cluster): Don't call add_module_decl here. * name-lookup.h (add_module_decl): Rename to ... (add_module_namespace_decl): ... this. * name-lookup.c (newbinding_bookkeeping): Move into ... (do_pushdecl): ... here. Its only remaining caller. (add_module_decl): Rename to ... (add_module_namespace_decl): ... here. Add checking-assert for circularity. Don't call newbinding_bookkeeping, just extern_c checking and incomplete var checking. 2021-02-12 Nathan Sidwell PR c++/99039 PR c++/99040 * cp-tree.h (CPTI_GLOBAL_TYPE): Delete. (global_type_node): Delete. (IDENTIFIER_TYPE_VALUE): Delete. (IDENTIFIER_HAS_TYPE_VALUE): Delete. (get_type_value): Delete. * name-lookup.h (identifier_type_value): Delete. * name-lookup.c (check_module_override): Don't SET_IDENTIFIER_TYPE_VALUE here. (do_pushdecl): Nor here. (identifier_type_value_1, identifier_type_value): Delete. (set_identifier_type_value_with_scope): Only SET_IDENTIFIER_TYPE_VALUE for local and class scopes. (pushdecl_nanmespace_level): Remove shadow stack nadgering. (do_pushtag): Use REAL_IDENTIFIER_TYPE_VALUE. * call.c (check_dtor_name): Use lookup_name. * decl.c (cxx_init_decl_processing): Drop global_type_node. * decl2.c (cplus_decl_attributes): Don't SET_IDENTIFIER_TYPE_VALUE here. * init.c (get_type_value): Delete. * pt.c (instantiate_class_template_1): Don't call pushtag or SET_IDENTIFIER_TYPE_VALUE here. (tsubst): Assert never an identifier. (dependent_type_p): Drop global_type_node assert. * typeck.c (error_args_num): Don't use IDENTIFIER_HAS_TYPE_VALUE to determine ctorness. 2021-02-12 Jakub Jelinek PR c++/97742 * parser.c (cp_parser_requirement_seq): Stop iterating after reaching CPP_EOF. 2021-02-12 Jason Merrill PR c++/97246 PR c++/94546 * pt.c (extract_fnparm_pack): Check DECL_PACK_P here. (register_parameter_specializations): Not here. 2021-02-11 Marek Polacek PR c++/95888 * pt.c (lookup_template_class_1): Pass tf_none to tsubst when looking for the partial instantiation. 2021-02-11 Jakub Jelinek PR c++/99033 * init.c (build_zero_init_1): Handle zero initialiation of flexible array members like initialization of [0] arrays. Use integer_minus_onep instead of comparison to integer_minus_one_node and integer_zerop instead of comparison against size_zero_node. Formatting fixes. 2021-02-11 Marek Polacek PR c++/99063 * semantics.c (finish_do_stmt): Check for unexpanded parameter packs. 2021-02-11 Patrick Palka PR c++/97582 * name-lookup.c (op_unqualified_lookup): Handle an ambiguous lookup result by discarding it if the first element is a class-scope declaration, otherwise return it. (push_operator_bindings): Handle an ambiguous lookup result by doing push_local_binding on each element in the list. 2021-02-11 Marek Polacek * parser.c (cp_parser_selection_statement): Use vec_free. 2021-02-10 Jakub Jelinek PR c++/98988 PR c++/99031 * constexpr.c: Include cgraph.h. (cxx_eval_call_expression): Call varpool_node::finalize_decl on heap artificial vars. (cxx_eval_outermost_constant_expr): Remove varpool nodes for heap artificial vars. 2021-02-10 Nathan Sidwell PR c++/99030 * pt.c (tsubst_copy) [VAR_DECL]: For a DECL_LOCAL_DECL_P T is the answer if there's no local specialization. 2021-02-09 Nathan Sidwell PR c++/98944 * module.cc (module_state::is_rooted): Rename to ... (module_state::has_location): ... here. Adjust callers. (module_state::read_partitions): Adjust validity check. Don't overwrite a known location. 2021-02-09 Jason Merrill PR c++/96905 * pt.c (mark_decl_instantiated): Exit early if consteval. 2021-02-09 Jason Merrill PR c++/98326 PR c++/20408 * cp-gimplify.c (simple_empty_class_p): Don't touch an invisiref parm. 2021-02-09 Jason Merrill PR c++/98994 PR c++/97566 * constexpr.c (cxx_eval_store_expression): Only skip empty fields in RECORD_TYPE. 2021-02-08 Nathan Sidwell * decl.c (start_cleanup_fn): Push function into namespace. 2021-02-08 Nathan Sidwell PR c++/98531 * cp-tree.h (push_abi_namespace, pop_abi_namespace): Declare. * decl.c (push_abi_namespace, pop_abi_namespace): Moved from rtti.c, add default namespace arg. (check_redeclaration_exception_specification): Allow a lazy builtin's eh spec to differ from an lready-declared user declaration. (declare_global_var): Use push/pop_abi_namespace. (get_atexit_node): Push the fndecl into a namespace. * rtti.c (push_abi_namespace, pop_abi_namespace): Moved to decl.c. 2021-02-08 Marek Polacek * cp-tree.h (CLASSTYPE_TI_TEMPLATE): Fix typo. 2021-02-05 Marek Polacek PR c++/98947 * call.c (build_conditional_expr_1): Don't call mark_lvalue_use on arg2/arg3. * expr.c (mark_use) : Don't check read_p when issuing the -Wvolatile warning. Only set TREE_THIS_VOLATILE if a warning was emitted. 2021-02-05 Marek Polacek PR c++/96462 * name-lookup.c (lookup_using_decl): Hoist the destructor check. 2021-02-05 Jakub Jelinek PR c++/97878 * decl.c (check_array_initializer): For structured bindings, require the array type to be complete. 2021-02-04 Jason Merrill PR c++/98717 * constraint.cc (build_concept_check_arguments): Remove assert. (build_concept_check): Allow empty args. 2021-02-04 Tom Greenslade (thomgree) PR c++/90926 * call.c (can_convert_array): Extend to handle all valid aggregate initializers of an array; including by string literals, not just by brace-init-list. (build_aggr_conv): Call can_convert_array more often, not just in brace-init-list case. * typeck2.c (array_string_literal_compatible_p): New function. (digest_init_r): call array_string_literal_compatible_p * cp-tree.h: (array_string_literal_compatible_p): Declare. 2021-02-04 Jason Merrill PR c++/98802 * pt.c (do_class_deduction): No aggregate guide if any_dguides_p. 2021-02-04 Jason Merrill PR c++/95192 * pt.c (tsubst_attribute): Handle error. (apply_late_template_attributes): Return false on error. (tsubst_function_decl): Check its return value. (tsubst_decl): Likewise. (push_template_decl): Assert current_template_parms. (tsubst_template_decl): Set current_template_parms. 2021-02-03 Marek Polacek PR c++/98951 * call.c (struct z_candidate): Mark rewritten and reversed as const. (struct NonPublicField): Mark operator() as const. (struct NonTrivialField): Likewise. 2021-02-03 Jason Merrill PR c++/98926 PR c++/98570 * pt.c (spec_hasher::equal): Set processing_template_decl. * Make-lang.in (check-g++-strict-gc): Add --param hash-table-verification-limit=10000. 2021-02-03 Marek Polacek PR c++/98899 * parser.c (cp_parser_class_specifier_1): Use any possible DEFPARSE_INSTANTIATIONS to update DEFERRED_NOEXCEPT_PATTERN. (cp_parser_save_noexcept): Initialize DEFPARSE_INSTANTIATIONS. * pt.c (tsubst_exception_specification): Stash new_specs into DEFPARSE_INSTANTIATIONS. * tree.c (fixup_deferred_exception_variants): Use UNPARSED_NOEXCEPT_SPEC_P. 2021-02-02 Jason Merrill PR c++/98929 PR c++/96199 * error.c (dump_expr): Ignore dummy object. * pt.c (tsubst_baselink): Handle dependent scope. 2021-02-01 Patrick Palka PR c++/98295 * constexpr.c (cxx_eval_array_reference): Also set new_ctx.object when setting new_ctx.ctor. 2021-02-01 Marek Polacek PR c++/98355 * parser.c (cp_parser_has_attribute_expression): Use uses_template_parms instead of type_dependent_expression_p. 2021-02-01 Jason Merrill PR c++/98570 * cp-tree.h: Declare it. * pt.c (comparing_dependent_aliases): New flag. (template_args_equal, spec_hasher::equal): Set it. (dependent_alias_template_spec_p): Assert that we don't get non-types other than error_mark_node. (instantiate_alias_template): SET_TYPE_STRUCTURAL_EQUALITY on complex alias specializations. Set TYPE_DEPENDENT_P here. (tsubst_decl): Not here. * module.cc (module_state::read_cluster): Set comparing_dependent_aliases instead of comparing_specializations. * tree.c (cp_tree_equal): Remove comparing_specializations module handling. * typeck.c (structural_comptypes): Adjust. (comptypes): Remove comparing_specializations handling. 2021-01-29 Nathan Sidwell PR c++/98843 * module.cc (module_state_config): Add num_entities field. (module_state::read_entities): The entity_ary span is already allocated. (module_state::write_config): Write num_entities. (module_state::read_config): Read num_entities. (module_state::write): Set config's num_entities. (module_state::read_initial): Allocate the entity ary span here. (module_state::read_language): Do not set entity_lwm here. 2021-01-29 Marek Polacek PR c++/96137 * parser.c (cp_parser_class_name): If parser->scope is error_mark_node, return it, otherwise continue. 2021-01-28 Jakub Jelinek PR c++/98841 * typeck.c (build_x_indirect_ref): For *this, return current_class_ref. 2021-01-28 Jakub Jelinek PR c++/33661 PR c++/98847 * decl.c (cp_finish_decl): For register vars with asmspec in templates call set_user_assembler_name and set DECL_HARD_REGISTER. * pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars, pass asmspec_tree to cp_finish_decl. 2021-01-28 Nathan Sidwell PR c++/98770 * module.cc (trees_out::decl_value): Swap is_typedef & TYPE_NAME check order. (trees_in::decl_value): Do typedef frobbing only when installing a new typedef, adjust is_matching_decl call. Swap is_typedef & TYPE_NAME check. (trees_in::is_matching_decl): Add is_typedef parm. Adjust variable names and deal with typedef checking. 2021-01-27 Jason Merrill PR c++/97874 * name-lookup.c (lookup_using_decl): Clean up handling of dependency and inherited constructors. (finish_nonmember_using_decl): Handle DECL_DEPENDENT_P. * pt.c (tsubst_expr): Handle DECL_DEPENDENT_P. 2021-01-26 Jason Merrill PR c++/97474 * call.c (type_passed_as): Don't mark invisiref restrict. 2021-01-26 Jason Merrill PR c++/97566 PR c++/98463 * class.c (layout_class_type): An empty field gets size 0. (is_empty_field): New. (check_bases): Check it. * cp-tree.h (is_empty_field): Declare it. * constexpr.c (cxx_eval_store_expression): Check it. (cx_check_missing_mem_inits): Likewise. * init.c (perform_member_init): Likewise. * typeck2.c (process_init_constructor_record): Likewise. 2021-01-25 Martin Sebor PR c++/98646 * cvt.c (cp_fold_convert): Propagate TREE_NO_WARNING. 2021-01-25 Jason Merrill PR c++/98463 * constexpr.c (get_or_insert_ctor_field): Add check. (cxx_eval_store_expression): Handle discontinuity of refs. 2021-01-23 Anthony Sharp * call.c (complain_about_access): Altered function. * cp-tree.h (complain_about_access): Changed parameters of function. (get_parent_with_private_access): Declared new function. * search.c (get_parent_with_private_access): Defined new function. * semantics.c (enforce_access): Modified function. * typeck.c (complain_about_unrecognized_member): Updated function arguments in complain_about_access. 2021-01-23 Patrick Palka PR c++/97399 * cp-tree.h (shared_member_p): Adjust declaration. * parser.c (cp_parser_init_declarator): If the storage class specifier is sc_static, pass true for static_p to cp_parser_declarator. (cp_parser_direct_declarator): Don't do inject_this_parm when the declarator is a friend. * search.c (shared_member_p): Change return type to bool and adjust function body accordingly. Return false for a dependent USING_DECL instead of aborting. * semantics.c (finish_qualified_id_expr): Rely on shared_member_p even when type-dependent. 2021-01-22 Marek Polacek PR c++/96623 * parser.c (inject_parm_decls): Remove a redundant assignment. (cp_parser_class_specifier_1): Clear current_class_{ptr,ref} before calling inject_parm_decls. 2021-01-22 Jason Merrill PR c++/98744 * call.c (make_base_init_ok): Use DECL_HAS_VTT_PARM_P. 2021-01-22 Jakub Jelinek PR sanitizer/95693 * init.c (build_zero_init_1): Revert the 2018-03-06 change to return build_zero_cst for reference types. * typeck2.c (process_init_constructor_record): Instead call build_zero_cst here during error recovery instead of build_zero_init. 2021-01-22 Marek Polacek PR c++/98545 * mangle.c (write_member_name): Emit abi_warn_or_compat_version_crosses warnings regardless of abi_version_at_least. (write_expression): When the expression is a dependent name and an operator name, write "on" before writing its name. 2021-01-22 Marek Polacek PR c++/97966 * pt.c (instantiate_class_template_1): Instantiate members marked with attribute used only after we're done instantiating the class. 2021-01-21 Patrick Palka PR c++/71879 * semantics.c (finish_decltype_type): Set up a cp_unevaluated sentinel at the start of the function. Remove a now-redundant manual adjustment of cp_unevaluated_operand. 2021-01-21 Nathan Sidwell PR c++/98624 * module.cc (depset::hash::find_dependencies): Add module arg. (trees_out::core_vals): Check state before calling write_location. (sort_cluster, module_state::write): Adjust find_dependencies call. 2021-01-21 Jakub Jelinek PR c++/98672 * constexpr.c (check_for_return_continue_data): Add break_stmt member. (check_for_return_continue): Also look for BREAK_STMT. Handle SWITCH_STMT by ignoring break_stmt from its body. (potential_constant_expression_1) , : If the condition isn't constant true, check if the loop body can contain a return stmt. : Adjust check_for_return_continue_data initializer. : If recursion with tf_none is successful, merge *jump_target from the branches - returns with highest priority, breaks or continues lower. If then branch is potentially constant and doesn't return, check the else branch if it could return, break or continue. 2021-01-21 Nathan Sidwell PR c++/98530 * name-lookup.c (lookup_class_binding): Rearrange a stat-hack. 2021-01-20 Nathan Sidwell * module.cc (bytes_in::i, bytes_in::wi): Avoid left shift of signed type. 2021-01-20 Patrick Palka PR c++/95434 * pt.c (tsubst) : If tsubsting CLASS_PLACEHOLDER_TEMPLATE yields a TEMPLATE_TEMPLATE_PARM, adjust to its TEMPLATE_TEMPLATE_PARM_TEMPLATE_DECL. 2021-01-20 Patrick Palka PR c++/82613 * parser.c (cp_parser_class_head): Defer access checking when parsing the base-clause until all bases are seen and attached to the class type. * pt.c (instantiate_class_template): Likewise when substituting into dependent bases. 2021-01-20 Jakub Jelinek PR c++/98742 * semantics.c (finish_omp_clauses) : If error_operand_p, remove clause without further checking. Check for non-NULL TYPE_NAME. 2021-01-19 Marek Polacek PR c++/98659 * pt.c (maybe_instantiate_noexcept): Return false if FN is error_mark_node. 2021-01-19 Marek Polacek PR c++/98687 * name-lookup.c (push_using_decl_bindings): New, broken out of... (finish_nonmember_using_decl): ...here. * name-lookup.h (push_using_decl_bindings): Update declaration. * pt.c (tsubst_expr): Update the call to push_using_decl_bindings. 2021-01-19 Patrick Palka PR c++/41437 PR c++/58993 * search.c (friend_accessible_p): If scope is a hidden friend defined inside a dependent class, consider access from the class. * parser.c (cp_parser_late_parsing_for_member): Don't push a dk_no_check access state. 2021-01-19 Marek Polacek PR c++/98333 * parser.c (cp_parser_class_specifier_1): Perform late-parsing of NSDMIs before late-parsing of noexcept-specifiers. 2021-01-19 Nathan Sidwell * module.cc (identifier): Merge overloads. 2021-01-19 Nathan Sidwell PR c++/98624 * module.cc (trees_out::write_location): Make static. 2021-01-16 Kwok Cheung Yeung * parser.c (cp_parser_omp_clause_detach): New. (cp_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_DETACH. (OMP_TASK_CLAUSE_MASK): Add mask for PRAGMA_OMP_CLAUSE_DETACH. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_DETACH clause. * semantics.c (finish_omp_clauses): Handle OMP_CLAUSE_DETACH clause. Prevent use of detach with mergeable and overriding the data sharing mode of the event handle. 2021-01-15 Nathan Sidwell PR c++/98538 * tree.c (cp_build_qualified_type_real): Propagate an array's dependentness to the copy, if known. 2021-01-15 Jason Merrill PR c++/98642 * call.c (unsafe_return_slot_p): Return int. (init_by_return_slot_p): Split out from... (unsafe_copy_elision_p): ...here. (unsafe_copy_elision_p_opt): New name for old meaning. (build_over_call): Adjust. (make_safe_copy_elision): New. * typeck2.c (split_nonconstant_init_1): Elide copy from safe list-initialization. * cp-tree.h: Adjust. 2021-01-15 Jason Merrill * call.c (base_ctor_for, make_base_init_ok): New. (build_over_call): Use make_base_init_ok. 2021-01-15 Jason Merrill PR c++/63707 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt if we got a CONSTRUCTOR. 2021-01-15 Nathan Sidwell PR c++/98591 * lang-specs.h: Fix handling of -fmodule-only with -fsyntax-only. 2021-01-14 Jason Merrill * typeck2.c (process_init_constructor_record): Use fldtype variable consistently. 2021-01-14 Nathan Sidwell PR c++/98372 * tree.c (cp_tree_equal): Correct map_context logic. 2021-01-13 Marek Polacek PR c++/98231 * name-lookup.c (push_using_decl_bindings): New. * name-lookup.h (push_using_decl_bindings): Declare. * pt.c (tsubst_expr): Call push_using_decl_bindings. 2021-01-13 Nathan Sidwell PR c++/98626 * module.cc (module_add_import_initializers): Pass a zero-element argument vector. 2021-01-12 Patrick Palka PR c++/98611 * tree.c (cp_walk_subtrees) : Visit the template of a CTAD placeholder. 2021-01-12 Marek Polacek PR c++/98620 * typeck2.c (process_init_constructor_record): Don't emit -Wmissing-field-initializers warnings in unevaluated contexts. 2021-01-11 Jakub Jelinek PR c++/98481 * class.c (find_abi_tags_r): Set *walk_subtrees to 2 instead of 1 for types. (mark_abi_tags_r): Likewise. * decl2.c (min_vis_r): Likewise. * tree.c (cp_walk_subtrees): If *walk_subtrees_p is 2, look through typedefs. 2021-01-08 Patrick Palka PR c++/98551 * constexpr.c (cxx_eval_call_expression): Check CLASS_TYPE_P instead of AGGREGATE_TYPE_P before calling replace_result_decl. 2021-01-08 Patrick Palka PR c++/98515 * semantics.c (check_accessibility_of_qualified_id): Punt if we're checking access of a scoped non-static member inside a class template. 2021-01-07 Jakub Jelinek PR c++/98329 * pt.c (tsubst_copy) : Don't call cp_build_bit_cast here, instead just build_min a BIT_CAST_EXPR and set its location. (tsubst_copy_and_build): Handle BIT_CAST_EXPR. 2021-01-07 Marek Polacek PR c++/98441 * decl.c (grokdeclarator): Move the !funcdecl_p check inside the !late_return_type block. 2021-01-07 Jason Merrill * constexpr.c (cxx_bind_parameters_in_call): Add comment. (cxx_eval_store_expression): Add comment. 2021-01-07 Jason Merrill * call.c (has_next): Factor out from... (next_conversion): ...here. (strip_standard_conversion): And here. (is_subseq): And here. (build_conv): Check it. (standard_conversion): Don't call build_conv for ck_identity. 2021-01-06 Martin Sebor PR c++/95768 * error.c (dump_expr): Call c_pretty_printer::unary_expression. 2021-01-05 Patrick Palka * pt.c (unify) : After walking into the type of the NTTP, substitute into the type again. If the type is still dependent, don't unify the NTTP. 2021-01-05 Jakub Jelinek * Make-lang.in (cc1plus-checksum, cc1plus$(exeext): Add $(CODYLIB) after $(BACKEND). 2021-01-05 Jakub Jelinek PR c++/98469 * constexpr.c (cxx_eval_constant_expression) : Punt if lval is true. * semantics.c (cp_build_bit_cast): Call get_target_expr_sfinae on the result if it has a class type. 2021-01-05 Marek Polacek PR c++/82099 * pt.c (resolve_overloaded_unification): Call maybe_instantiate_noexcept after instantiating the function decl. 2021-01-05 Nathan Sidwell * parser.c (cp_parser_module_declaration): Alter diagnostic text to say where is permissable. 2021-01-05 Rainer Orth PR c++/98316 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS). 2021-01-02 Jan Hubicka * cp-tree.h (cp_tree_c_finish_parsing): Declare. * decl2.c (c_parse_final_cleanups): Call cp_tree_c_finish_parsing. * tree.c (cp_tree_c_finish_parsing): New function. 2021-01-01 Jakub Jelinek * ChangeLog-2020: Rotate ChangeLog. 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