2019-03-08 Jakub Jelinek PR c++/89622 * call.c (joust): Call print_z_candidate only if pedwarn returned true. 2019-03-07 Jason Merrill PR c++/88123 - lambda and using-directive. * name-lookup.c (op_unqualified_lookup) (maybe_save_operator_binding, discard_operator_bindings) (push_operator_bindings): New. * typeck.c (build_x_binary_op, build_x_unary_op): Call maybe_save_operator_binding. * decl.c (start_preparsed_function): Call push_operator_bindings. * tree.c (cp_free_lang_data): Call discard_operator_bindings. PR c++/88820 - ICE with CTAD and member template used in DMI. * pt.c (do_class_deduction): Handle parm used as its own arg. 2019-03-07 Jakub Jelinek PR c++/89585 * parser.c (cp_parser_asm_definition): Parse asm qualifiers even at toplevel, but diagnose them. 2019-03-06 Jason Merrill PR c++/89381 - implicit copy and using-declaration. * class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider op= brought in by a using-declaration. 2019-03-06 Jakub Jelinek PR c++/87148 * init.c (build_value_init_noctor): Ignore flexible array members. 2019-03-06 Jason Merrill PR c++/89576 - if constexpr of lambda capture. * semantics.c (maybe_convert_cond): Do convert a non-dependent condition in a template. * typeck.c (condition_conversion): Handle being called in a template. 2019-03-06 Marek Polacek PR c++/87378 - bogus -Wredundant-move warning. * typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue overload resolution would actually succeed. 2019-03-05 Jason Merrill * class.c (is_really_empty_class): Add ignore_vptr parm. (trivial_default_constructor_is_constexpr): Pass it. * call.c (build_over_call): Pass it. * constexpr.c (cxx_eval_constant_expression): Pass it instead of checking TYPE_POLYMORPHIC_P. (cxx_eval_component_reference, potential_constant_expression_1): Pass it. * cp-gimplify.c (simple_empty_class_p): Pass it. * init.c (expand_aggr_init_1): Pass it. 2019-03-04 Paolo Carlini PR c++/84605 * parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too. 2019-03-04 Jakub Jelinek PR c++/71446 * call.c (field_in_pset): New function. (build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly. 2019-03-02 Jakub Jelinek PR c++/71446 * cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define. * parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list caller, set CONSTRUCTOR_IS_DESIGNATED_INIT. (cp_parser_initializer_list): Add designated parameter, set *designated to a bool whether any designators were parsed. * decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if needed. * pt.c (tsubst_copy_and_build): Likewise. * call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT, don't call build_list_conv, nor build_complex_conv, nor attempt to convert a single element initializer to scalar. 2019-03-01 Marek Polacek PR c++/89537 - missing location for error with non-static member fn. * call.c (resolve_args): Use EXPR_LOCATION. * typeck.c (build_class_member_access_expr): Use input_location. PR c++/89532 - ICE with incomplete type in decltype. * semantics.c (finish_compound_literal): Return error_mark_node if digest_init_flags returns error_mark_node. 2019-03-01 Jakub Jelinek Implement P1002R1, Try-catch blocks in constexpr functions PR c++/89513 * parser.c (cp_parser_ctor_initializer_opt_and_function_body): Diagnose constexpr ctor or function with function-try-block with pedwarn for c++17 and earlier. Formatting fix. (cp_parser_try_block): Use pedwarn instead of error and only for c++17 and earlier when try block appears in constexpr function. * constexpr.c (build_constexpr_constructor_member_initializers): Handle TRY_BLOCK here instead of erroring on it. 2019-02-28 Jason Merrill PR c++/88183 - ICE with .* fold-expression. * pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling. PR c++/86969 - ICE with constexpr if and recursive generic lambdas. * class.c, lambda.c, pt.c: Revert earlier change. * lambda.c (add_capture): Don't special-case capture of dependent VLA. * name-lookup.c (print_binding_level): Print this_entity. 2019-02-27 Marek Polacek PR c++/88857 - ICE with value-initialization of argument in template. * call.c (convert_like_real): Don't call build_value_init in template. 2019-02-27 Jason Merrill PR c++/86969 - ICE with constexpr if and recursive generic lambdas. * semantics.c (process_outer_var_ref): Do capture dependent vars. * class.c (finish_struct): Only add TAG_DEFN if T is in current_function_decl. * lambda.c (vla_capture_type): Force the capture type out into the lambda's enclosing function. (add_capture): Pass in the lambda. * pt.c (tsubst_lambda_expr): complete_type a VLA capture type. 2019-02-27 Marek Polacek PR c++/89511 - ICE with using-declaration and unscoped enumerator. * parser.c (cp_parser_using_declaration): For an unscoped enum only use its context if it's not a function declaration. 2019-02-27 Paolo Carlini PR c++/89488 * method.c (process_subob_fn): When maybe_instantiate_noexcept returns false don't call merge_exception_specifiers. 2019-02-27 Paolo Carlini PR c++/88987 * parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE for a non-constant parsed expression. 2019-02-26 Jakub Jelinek PR c++/89481 * constexpr.c (cxx_eval_store_expression): When changing active union member, set no_zero_init. 2019-02-23 Marek Polacek PR c++/88294 - ICE with non-constant noexcept-specifier. * pt.c (maybe_instantiate_noexcept): Set up the list of local specializations. Set current_class_{ptr,ref}. 2019-02-22 David Malcolm PR c++/89390 * parser.c (cp_parser_unqualified_id): Capture and use locations for destructors. 2019-02-22 Marek Polacek PR c++/89420 - ICE with CAST_EXPR in explicit-specifier. * decl.c (build_explicit_specifier): Don't check processing_template_decl. Call instantiation_dependent_expression_p instead of value_dependent_expression_p. Call instantiate_non_dependent_expr_sfinae before build_converted_constant_expr instead of calling instantiate_non_dependent_expr after it. Add processing_template_decl_sentinel. 2019-02-22 Thomas Schwinge * parser.c (cp_parser_oacc_simple_clause): Remove parser formal parameter, move loc formal parameter to the front. Adjust all users. (cp_parser_oacc_shape_clause): Add loc formal parameter. Adjust all users. 2019-02-21 Jason Merrill PR c++/87685 - generic lambda 'this' capture error. * lambda.c (lambda_expr_this_capture): Change add_capture_p to int. (maybe_generic_this_capture): Pass -1. PR c++/88394 - ICE with VLA init-capture. * lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE. PR c++/88869 - C++17 ICE with CTAD and explicit specialization. * pt.c (do_class_deduction): Don't include explicit specialization args in outer_args. PR c++/89422 - ICE with -g and lambda in default arg in template. * pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner. 2019-02-21 Jason Merrill PR c++/88419 - C++17 ICE with class template arg deduction. * pt.c (make_template_placeholder): Set TYPE_CANONICAL after CLASS_PLACEHOLDER_TEMPLATE. 2019-02-21 Jakub Jelinek PR c++/89285 * constexpr.c (struct constexpr_fundef): Add parms and result members. (retrieve_constexpr_fundef): Adjust for the above change. (register_constexpr_fundef): Save constexpr body with copy_fn, temporarily set DECL_CONTEXT on DECL_RESULT before that. (get_fundef_copy): Change FUN argument to FUNDEF with constexpr_fundef * type, grab body and parms/result out of constexpr_fundef struct and temporarily change it for copy_fn calls too. (cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily adjust current_function_decl from ctx->call context. Test !potential_constant_expression instead of !is_constant_expression. (cxx_bind_parameters_in_call): Grab parameters from new_call. Undo convert_for_arg_passing changes for TREE_ADDRESSABLE type passing. (cxx_eval_call_expression): Adjust get_fundef_copy caller. (cxx_eval_conditional_expression): For IF_STMT, allow then or else operands to be NULL. (label_matches): Handle BREAK_STMT and CONTINUE_STMT. (cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT. (cxx_eval_switch_expr): Add support for SWITCH_STMT. (cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT. For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr. Ignore DECL_EXPR with USING_DECL operand. * lambda.c (maybe_add_lambda_conv_op): Build thisarg using build_int_cst to make it a valid constant expression. 2019-02-20 Jason Merrill PR c++/88690 - C++17 ICE with empty base in aggregate. * typeck2.c (process_init_constructor_record): Skip trivial initialization of an empty base. 2019-02-21 Richard Biener PR middle-end/89392 * vtable-class-hierarchy.c (vtv_generate_init_routine): Do not make symtab process new functions here. 2019-02-20 Jason Merrill PR c++/87921 - wrong error with inline static data member. * decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P for a non-template inline variable. Do nothing for an already-instantiated variable. (c_parse_final_cleanups): Check DECL_IN_AGGR_P without DECL_INLINE_VAR_P. * decl.c (check_initializer): Likewise. (make_rtl_for_nonlocal_decl): Likewise. * pt.c (instantiate_decl): Likewise. * typeck2.c (store_init_value): Likewise. 2019-02-20 Jakub Jelinek PR c++/89403 * decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting for flag_syntax_only from here... * semantics.c (expand_or_defer_fn_1): ... here. PR c++/89405 * decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and DECL_COMMON, set DECL_INTERFACE_KNOWN. PR c++/89336 * constexpr.c (cxx_eval_store_expression): Diagnose changing of active union member for -std=c++17 and earlier. 2019-02-19 Jason Merrill PR c++/87513 - 'sorry' mangling PMF template-id. * mangle.c (write_expression): Handle SCOPE_REF to BASELINK. 2019-02-19 Jason Merrill PR c++/88380 - wrong-code with flexible array and NSDMI. * typeck2.c (process_init_constructor_record): Skip flexarrays. 2019-02-20 will wray PR c++/88572 - wrong handling of braces on scalar init. * decl.c (reshape_init_r): Allow braces around scalar initializer within aggregate init. Reject double braced-init of scalar variable. 2019-02-20 Paolo Carlini PR c++/84536 * pt.c (tsubst_init): Diagnose an initializer expanding to an empty list of expressions; tweak wrt dependent types. (regenerate_decl_from_template): For VAR_DECLs call tsubst_init instead of tsubst_expr. 2019-02-19 Jason Merrill PR c++/88368 - wrong 'use of deleted function' * method.c (walk_field_subobs): Remember errors from get_nsdmi. (get_defaulted_eh_spec): Call push_tinst_level. * pt.c (maybe_instantiate_noexcept): Keep error_mark_node. * typeck2.c (merge_exception_specifiers): Handle error_mark_node. 2019-02-19 Chung-Lin Tang PR c/87924 * parser.c (cp_parser_oacc_clause_wait): Add representation of wait clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments. 2019-02-19 Jakub Jelinek PR c++/89387 * lambda.c (maybe_generic_this_capture): Don't check DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs. PR c++/89391 * typeck.c (build_reinterpret_cast_1): Don't handle void to && conversion go through build_target_expr_with_type. PR c++/89390 * error.c (qualified_name_lookup_error): Only call suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE. 2019-02-19 Tom Honermann * name-lookup.c (get_std_name_hint): Added u8string as a name hint. 2019-02-18 Jason Merrill PR c++/89336 - multiple stores in constexpr stmt. * constexpr.c (cxx_eval_store_expression): Preevaluate scalar or assigned value. * pt.c (check_explicit_specialization): If the declarator is a template-id, only check whether the arguments are dependent. Improve duplicate [[likely]] diagnostic. * parser.c (cp_parser_statement): Make attrs_loc a range. Pass it to process_stmt_hotness_attribute. * cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc. (genericize_if_stmt): Use likely/unlikely instead of predictor_name. 2019-02-17 Marek Polacek PR c++/89217 - ICE with list-initialization in range-based for loop. * constexpr.c (unshare_constructor): No longer static. * cp-tree.h (unshare_constructor): Declare. * semantics.c (finish_compound_literal): When dealing with a non-dependent expression in a template, return the original expression. Pass LOOKUP_NO_NARROWING to digest_init_flags. 2019-02-13 Marek Polacek PR c++/89297 - ICE with OVERLOAD in template. * semantics.c (finish_compound_literal): Call instantiate_non_dependent_expr_sfinae. 2019-02-13 Alexandre Oliva PR c++/86379 * cp-tree.h (USING_DECL_SCOPE): Use result rather than type. * name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE. * search.c (protected_accessible_p): Follow USING_DECL_DECLS. (shared_member_p): Likewise. (lookup_member): Likewise. * decl.c (grok_special_member_properties): Skip USING_DECLs. * semantics.c (finish_omp_declare_simd_methods): Likewise. (finish_qualified_id_expr): Do not call shared_member_p with a dependent expr. PR c++/87322 * pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting. Move cp_evaluated resetting before signature tsubsting. (gen_elem_of_pack_expansion_instantiation): Separate local specializations per index. 2019-02-13 David Malcolm PR c++/89036 * class.c (add_method): Drop destructor assertion. 2019-02-13 Paolo Carlini PR c++/88986 * decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as context (the first argument). * pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION as context. 2019-02-12 Jason Merrill PR c++/89144 - link error with constexpr initializer_list. * call.c (convert_like_real) [ck_list]: Don't allocate a temporary array for an empty list. * typeck2.c (store_init_value): Don't use cxx_constant_init in a template. 2019-02-11 Jason Merrill PR c++/89241 - ICE with __func__ in lambda in template. * pt.c (enclosing_instantiation_of): Also check instantiated_lambda_fn_p for the template context. 2019-02-11 Marek Polacek PR c++/89212 - ICE converting nullptr to pointer-to-member-function. * pt.c (tsubst_copy_and_build) : Return early for null member pointer value. 2019-02-11 Jakub Jelinek PR c++/88977 * pt.c (convert_nontype_argument): Pass true as manifestly_const_eval to maybe_constant_value calls. 2019-02-11 Marek Polacek * typeck2.c (digest_init_r): Remove commented code. 2019-02-11 Martin Sebor PR c++/87996 * decl.c (compute_array_index_type_loc): Preserve signed sizes for diagnostics. Call valid_array_size_p instead of error. * init.c (build_new_1): Compute size for diagnostic. Call invalid_array_size_error (build_new): Call valid_array_size_p instead of error. 2019-02-07 Alexandre Oliva PR c++/86218 * call.c (compare_ics): Deal with ck_aggr in either cs. 2019-02-06 David Malcolm PR c++/71302 * call.c (get_location_for_expr_unwinding_for_system_header): New function. (conversion_null_warnings): Use it when getting locations for EXPR, effectively adding a call to get_location_for_expr_unwinding_for_system_header for -Wconversion-null and making use of EXPR_LOCATION for -Wzero-as-null-pointer-constant. 2019-02-05 Jakub Jelinek PR c++/89187 * optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on PARM_DECLs of the thunk. * lambda.c (maybe_add_lambda_conv_op): Likewise. 2019-02-05 Marek Polacek PR c++/89158 - by-value capture of constexpr variable broken. * call.c (convert_like_real) : Call mark_exp_read instead of mark_rvalue_use. 2019-02-05 Alexandre Oliva PR c++/87770 * pt.c (instantiates_primary_template_p): New. (type_dependent_expression_p): Use it. 2019-02-01 Jason Merrill PR c++/88761 - ICE with reference capture of constant. * lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for non-proxy decls. 2019-02-01 Marek Polacek PR c++/88325 - ICE with invalid out-of-line template member definition. * parser.c (cp_parser_class_name): Don't call make_typename_type for overloads. 2019-02-01 Jakub Jelinek PR c++/87175 * parser.c (cp_parser_gnu_attributes_opt): Set ok to false if require_open failed. 2019-01-31 Marek Polacek PR c++/89083, c++/80864 - ICE with list initialization in template. * constexpr.c (adjust_temp_type): Use copy_node and change the type instead of using build_constructor. * decl.c (reshape_init_r): Don't reshape a digested initializer. Return the initializer for COMPOUND_LITERAL_P. PR c++/88983 - ICE with switch in constexpr function. * constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY. (cxx_eval_constant_expression) : Don't look for the label in the else branch if we found it in the then branch. 2019-01-30 Jason Merrill PR c++/88752 - ICE with lambda and constexpr if. * cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New. * pt.c (tsubst_lambda_expr): Set it. (instantiated_lambda_fn_p): Check it. (enclosing_instantiation_of): Use it. 2019-01-31 Jakub Jelinek PR libstdc++/88170 * cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as a C cast in pp_c_flag_gnu_v3 mode. 2019-01-30 Jakub Jelinek PR c++/88988 * lambda.c (is_capture_proxy): Don't return true for DECL_OMP_PRIVATIZED_MEMBER artificial vars. 2019-01-30 Marek Polacek PR c++/89119 - ICE with value-initialization in template. * pt.c (tsubst_copy_and_build): Handle RANGE_EXPR. 2019-01-29 Jason Merrill PR c++/86943 - wrong code converting lambda to function pointer. * lambda.c (maybe_add_lambda_conv_op): Use a template-id in the call. Only forward parms for decltype. * pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P specially. * typeck.c (check_return_expr): Don't mess with a thunk call. 2019-01-28 Jason Merrill PR c++/89089 - ICE with [[no_unique_address]]. PR c++/88865 - wrong layout with [[no_unique_address]]. * class.c (check_field_decls): A potentially-overlapping field makes the class non-layout-POD, but not non-empty. (end_of_class): Always consider empty data members. (layout_class_type): Set DECL_SIZE for empty fields. 2019-01-28 Marek Polacek PR c++/88358 - name wrongly treated as type. * parser.c (cp_parser_direct_declarator): Don't assume a qualified-id in parameter-list is a type if the function's declarator-id is not qualified. 2019-01-27 Marek Polacek PR c++/88815 - narrowing conversion lost in decltype. PR c++/78244 - narrowing conversion in template not detected. * cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New. * pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with CONSTRUCTOR_IS_DEPENDENT instantiation-dependent. * semantics.c (finish_compound_literal): When the compound literal isn't instantiation-dependent and the type isn't type-dependent, fall back to the normal processing. Set CONSTRUCTOR_IS_DEPENDENT. PR c++/89024 - ICE with incomplete enum type. * call.c (standard_conversion): When converting an ARITHMETIC_TYPE_P to an incomplete type, return NULL. 2019-01-25 Paolo Carlini PR c++/88969 * call.c (build_op_delete_call): Implement 7.6.2.5/(10.1). * decl2.c (coerce_delete_type): Use build_pointer_type instead of TYPE_POINTER_TO. 2019-01-24 Jason Merrill PR c++/89001 - mangling of reference temporaries * cp-tree.h (struct saved_scope): Add ref_temp_count. (current_ref_temp_count): New macro. * mangle.c (mangle_ref_init_variable): Use it. * typeck2.c (store_init_value): Clear it. * call.c (make_temporary_var_for_ref_to_temp): Copy public and comdat. 2019-01-24 Jakub Jelinek PR c++/88976 * semantics.c (finish_omp_cancel): Diagnose more than one if on #pragma omp cancel with different modifiers. Use maybe_convert_cond when not in template or build_x_binary_op otherwise. 2019-01-23 Marek Polacek PR c++/88757 - qualified name treated wrongly as type. * parser.c (cp_parser_direct_declarator): Don't treat qualified-ids in parameter-list as types if name lookup for declarator-id didn't find one or more function templates. 2019-01-23 Jakub Jelinek PR c/44715 * cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only after genericizing cond and incr expressions. PR c++/88984 * cp-gimplify.c (genericize_switch_stmt): Move cond genericization before the begin_bc_block call. 2019-01-21 Jason Merrill PR c++/87893 - constexpr ctor ICE on ARM. PR c++/88293 - ICE with comma expression. * constexpr.c (initialized_type): Don't shortcut non-void type. Handle COMPOUND_EXPR. (cxx_eval_outermost_constant_expr): Return early for void type. 2019-01-21 Jakub Jelinek PR c++/88949 * optimize.c (cxx_copy_decl): New function. (clone_body): Use it instead of copy_decl_no_change. PR sanitizer/88901 * typeck.c (cp_build_binary_op): Don't instrument SANITIZE_POINTER_COMPARE if processing_template_decl. (pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT. 2019-01-18 Jason Merrill PR c++/88875 - error with explicit list constructor. * call.c (reference_binding): Don't modify EXPR. Set need_temporary_p on the ck_user conversion for a temporary. (convert_like_real): Check it. 2019-01-18 H.J. Lu PR c/51628 PR c/88664 * call.c (convert_for_arg_passing): Upate the warn_for_address_or_pointer_of_packed_member call. * typeck.c (convert_for_assignment): Likewise. 2019-01-17 Jason Merrill PR c++/86205 - ICE with ?: of throw and template-id. * pt.c (resolve_nondeduced_context_or_error): Split out from... * typeck.c (decay_conversion): ...here. * call.c (build_conditional_expr_1): Use it. PR c++/86740, ICE with constexpr if and nested generic lambdas. * tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR. 2019-01-17 Paolo Carlini * decl.c (grokdeclarator): Use typespec_loc in error messages about 'auto' and trailing return type. 2019-01-17 David Malcolm PR c++/88699 * class.c (add_method): Don't use DECL_DESTRUCTOR_P on USING_DECLs. 2019-01-17 Nathan Sidwell PR c++/86610 * semantics.c (process_outer_var_ref): Only skip dependent types in templates. 2019-01-17 Alexandre Oliva PR c++/87768 * cp-tree.h (saved_scope): Add suppress_location_wrappers. * name-lookup.c (do_push_to_top_level): Save and reset it. (do_pop_from_top_level): Restore it. PR c++/86648 * pt.c (make_template_placeholder): Use auto_identifier. (is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test. * error.c (dump_type): Handle template placeholders. * cxx-pretty-print.c (pp_cx_unqualified_id): Likewise. PR c++/88146 * cvt.c (convert_to_void): Handle all cdtor calls as if returning void. 2019-01-16 Paolo Carlini * decl.c (grokdeclarator): Use locations[ds_storage_class] in error messages about ill-formed uses of mutable. 2019-01-16 Marek Polacek PR c++/78244 - narrowing conversion in template not detected. * call.c (perform_implicit_conversion_flags): Set IMPLICIT_CONV_EXPR_BRACED_INIT. * cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New. * pt.c (tsubst_copy_and_build): Use it. 2019-01-15 David Malcolm PR c++/88795 * pt.c (build_deduction_guide): Bail out if tsubst_arg_types fails. 2019-01-15 Paolo Carlini * decl.c (start_decl): Improve error location. * decl2.c (grokfield): Likewise. 2019-01-15 Paolo Carlini * decl.c (grokdeclarator): Move further up the location_t loc declaration and use the location when building a TYPE_DECL for a typedef name. * decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error about an ill-formed bit-field as typedef. 2019-01-14 Marek Polacek PR c++/88830 - ICE with abstract class. * decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR. Fix formatting. PR c++/88825 - ICE with bogus function return type deduction. * typeck.c (can_do_nrvo_p): Check error_mark_node. 2019-01-14 Tom Honermann Implement P0482R5, char8_t: A type for UTF-8 characters and strings * cvt.c (type_promotes_to): Handle char8_t promotion. * decl.c (grokdeclarator): Handle invalid type specifier combinations involving char8_t. * lex.c (init_reswords): Add char8_t as a reserved word. * mangle.c (write_builtin_type): Add name mangling for char8_t (Du). * parser.c (cp_keyword_starts_decl_specifier_p) (cp_parser_simple_type_specifier): Recognize char8_t as a simple type specifier. (cp_parser_string_literal): Use char8_array_type_node for the type of CPP_UTF8STRING. (cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system headers. * rtti.c (emit_support_tinfos): type_info support for char8_t. * tree.c (char_type_p): Recognize char8_t as a character type. * typeck.c (string_conv_p): Handle conversions of u8 string literals of char8_t type. (check_literal_operator_args): Handle UDLs with u8 string literals of char8_t type. * typeck2.c (ordinary_char_type_p): New. (digest_init_r): Disallow initializing a char array with a u8 string literal. 2019-01-14 Martin Liska PR gcov-profile/88263 * decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION as location of the TLS wrapper. 2019-01-12 Paolo Carlini * decl.c (cp_finish_decl): Improve error location. * decl2.c (grokfield): Likewise, improve two locations. 2019-01-11 Marek Polacek PR c++/88692, c++/87882 - -Wredundant-move false positive with *this. * typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't ADDR_EXPR. 2019-01-11 Jason Merrill PR c++/88312 - pack expansion of decltype. * pt.c (instantiation_dependent_r): A template non-type parameter pack is instantiation-dependent. 2019-01-11 Jason Merrill PR c++/88613 - ICE with use of const var in lambda. * expr.c (mark_use): Fix location wrapper handling. * cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use. 2019-01-11 Tobias Burnus PR C++/88114 * decl2.c (maybe_emit_vtables): If needed, generate code for the destructor of an abstract class. (mark_used): Update comment for older function-name change. 2019-01-11 Paolo Carlini * decl.c (start_decl): Improve error location. (grokdeclarator): Likewise, improve two locations. 2019-01-09 Sandra Loosemore PR other/16615 * cp-tree.h: Mechanically replace "can not" with "cannot". * parser.c: Likewise. * pt.c: Likewise. 2019-01-08 Paolo Carlini * decl.c (grok_reference_init): Improve error location. (grokdeclarator): Likewise, improve two locations. 2019-01-08 Marek Polacek PR c++/88538 - braced-init-list in template-argument-list. * parser.c (cp_parser_template_argument): Handle braced-init-list when in C++20. PR c++/88548 - this accepted in static member functions. * parser.c (cp_debug_parser): Adjust printing of local_variables_forbidden_p. (cp_parser_new): Set local_variables_forbidden_p to 0 rather than false. (cp_parser_primary_expression): When checking local_variables_forbidden_p, use THIS_FORBIDDEN or LOCAL_VARS_FORBIDDEN. (cp_parser_lambda_body): Update the type of local_variables_forbidden_p. Set it to 0 rather than false. (cp_parser_condition): Adjust call to cp_parser_declarator. (cp_parser_explicit_instantiation): Likewise. (cp_parser_init_declarator): Likewise. (cp_parser_declarator): New parameter. Use it. (cp_parser_direct_declarator): New parameter. Use it to set local_variables_forbidden_p. Adjust call to cp_parser_declarator. (cp_parser_type_id_1): Adjust call to cp_parser_declarator. (cp_parser_parameter_declaration): Likewise. (cp_parser_default_argument): Update the type of local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN rather than true. (cp_parser_member_declaration): Tell cp_parser_declarator if we saw 'static' or 'friend'. (cp_parser_exception_declaration): Adjust call to cp_parser_declarator. (cp_parser_late_parsing_default_args): Update the type of local_variables_forbidden_p. Set it to LOCAL_VARS_AND_THIS_FORBIDDEN rather than true. (cp_parser_cache_defarg): Adjust call to cp_parser_declarator. (cp_parser_objc_class_ivars): Likewise. (cp_parser_objc_struct_declaration): Likewise. (cp_parser_omp_for_loop_init): Likewise. * parser.h (cp_parser): Change the type of local_variables_forbidden_p to unsigned char. (LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN): Define. 2019-01-08 Paolo Carlini * decl.c (start_decl): Improve permerror location. 2019-01-08 Jonathan Wakely Jakub Jelinek PR c++/88554 * decl.c (finish_function): For -Wreturn-type don't add a return *this; fixit hint if current_class_ref is NULL. Use a single if instead of two nested ones. 2019-01-07 Paolo Carlini * decl.c (start_decl): Improve two error_at locations. (expand_static_init): Likewise. 2019-01-07 Marek Polacek PR c++/88741 - wrong error with initializer-string. * decl.c (cp_complete_array_type): Strip any location wrappers. 2019-01-07 Bernd Edlinger PR c++/88261 PR c++/69338 PR c++/69696 PR c++/69697 * cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value. * typeck2.c (digest_init_r): Raise an error for non-static initialization of a flexible array member. (process_init_constructor, massage_init_elt, process_init_constructor_array, process_init_constructor_record, process_init_constructor_union, process_init_constructor): Add the flags parameter and pass it thru. (store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to digest_init_flags for static decls. 2019-01-07 Jakub Jelinek PR c++/85052 * cp-tree.h (cp_build_vec_convert): Declare. * parser.c (cp_parser_postfix_expression): Parse __builtin_convertvector. * constexpr.c: Include fold-const-call.h. (cxx_eval_internal_function): Handle IFN_VEC_CONVERT. (potential_constant_expression_1): Likewise. * semantics.c (cp_build_vec_convert): New function. * pt.c (tsubst_copy_and_build): Handle CALL_EXPR to IFN_VEC_CONVERT. 2019-01-03 Jakub Jelinek PR c++/88636 * decl.c (builtin_function_1): Return result of pushdecl_top_level or pushdecl rather than decl. 2019-01-03 Paolo Carlini * tree.c (handle_nodiscard_attribute): Improve warning location. 2019-01-02 Marek Polacek PR c++/88612 - ICE with -Waddress-of-packed-member. * call.c (convert_for_arg_passing): Only give warnings with tf_warning. * typeck.c (convert_for_assignment): Likewise. PR c++/88631 - CTAD failing for value-initialization. * typeck2.c (build_functional_cast): Try deducing the template arguments even if there are no arguments to deduce from. 2019-01-01 Jakub Jelinek Update copyright years. Copyright (C) 2019 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.