2022-05-13 Jason Merrill PR c++/101078 * pt.c (tsubst_baselink): Update binfos in non-dependent case. 2022-05-13 Jason Merrill PR c++/99066 * pt.c (mark_decl_instantiated): Set DECL_EXTERNAL. 2022-05-13 Jason Merrill PR c++/100838 PR c++/105265 * call.c (convert_like_internal): Clear tf_no_cleanup when recursing. (build_user_type_conversion_1): Only add ck_rvalue if LOOKUP_ONLYCONVERTING. 2022-05-13 Jason Merrill PR c++/91217 * pt.c (tsubst_lambda_expr): Skip the body block from DECL_SAVED_TREE. 2022-05-13 Jason Merrill PR c++/99643 * typeck2.c (massage_init_elt): Don't strip TARGET_EXPR. 2022-05-13 Jason Merrill PR c++/65211 * pt.c (tsubst_decl) [TYPE_DECL]: Copy TYPE_ALIGN. 2022-05-13 Jason Merrill PR c++/101698 * pt.c (tsubst_baselink): Also check dependent optype. 2022-05-13 Jason Merrill PR c++/101442 * decl.c (cp_finish_decl): Don't pass decl to push_cleanup. * init.c (perform_member_init): Likewise. * semantics.c (push_cleanup): Adjust comment. 2022-05-13 Jason Merrill PR c++/98249 * call.c (build_operator_new_call): Just look in ::. 2022-05-13 Jason Merrill PR c++/104646 * constexpr.c (maybe_save_constexpr_fundef): Don't do extra checks for defaulted ctors. 2022-05-13 Jason Merrill PR c++/59950 * call.c (build_over_call): Use cp_build_indirect_ref. 2022-05-13 Jason Merrill PR c++/99901 * decl.c (cp_finish_decl): mark_needed an implicitly inline static data member with an out-of-class redeclaration. 2022-05-13 Jason Merrill PR c++/101717 * lambda.c (lambda_expr_this_capture): Check all enclosing lambdas for completeness. 2022-05-13 Jason Merrill PR c++/90664 * cvt.c (can_convert_qual): Check fnptr_conv_p. 2022-05-13 Jason Merrill PR c++/95870 * pt.c (enclosing_instantiation_of): Compare DECL_SOURCE_LOCATION if there is no enclosing non-lambda function. 2022-05-13 Jason Merrill PR c++/96311 * typeck.c (check_return_expr): Call mark_exp_read in dependent case. 2022-05-13 Jason Merrill PR c++/96673 * init.c (get_nsdmi): Don't defer access checking. 2022-05-13 Jason Merrill PR c++/91933 * class.c (build_base_path): Shortcut simple non-pointer case. 2022-05-13 Jason Merrill PR c++/100032 * pt.c (get_underlying_template): Compare TYPE_QUALS. 2022-05-13 Jakub Jelinek PR c++/67184 PR c++/69445 * call.c (build_new_method_call_1): Remove set but not used variable binfo. 2022-05-11 Patrick Palka Backported from master: 2022-03-26 Patrick Palka PR c++/103455 * call.c (add_builtin_candidate) : Test CLASS_TYPE_P instead of MAYBE_CLASS_TYPE_P. 2022-05-11 Patrick Palka Backported from master: 2022-01-25 Patrick Palka PR c++/101532 PR c++/104225 * decl2.c (mark_used): Don't consider maybe_instantiate_noexcept on a deleted function. 2022-05-11 Patrick Palka Backported from master: 2021-04-14 Patrick Palka PR c++/83476 PR c++/99885 * pt.c (deducible_expression): Look through implicit INDIRECT_REFs as well. 2022-05-11 Jakub Jelinek Backported from master: 2022-04-19 Jakub Jelinek PR c++/105256 * typeck2.c (process_init_constructor_array, process_init_constructor_record, process_init_constructor_union): Move CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag from CONSTRUCTOR elements to the containing CONSTRUCTOR. 2022-05-11 Jakub Jelinek Backported from master: 2022-03-26 Jakub Jelinek * parser.c (cp_parser_postfix_expression) : Don't return cp_build_vec_convert result right away, instead set postfix_expression to it and break. 2022-05-11 Jakub Jelinek Backported from master: 2022-03-24 Jakub Jelinek PR c++/104994 * constexpr.c (potential_constant_expression_1): Don't diagnose extern thread_local declarations. * decl.c (start_decl): Likewise. 2022-05-11 Jakub Jelinek Backported from master: 2022-03-09 Jakub Jelinek PR c/104711 * constexpr.c (cxx_eval_check_shift_p): Use TYPE_OVERFLOW_WRAPS instead of TYPE_UNSIGNED. * typeck.c (cp_build_binary_op): Don't emit -Wshift-negative-value warning if TYPE_OVERFLOW_WRAPS. 2022-05-11 Jakub Jelinek Backported from master: 2022-03-08 Jakub Jelinek PR c++/104806 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Ignore identifiers with space at the end. 2022-05-11 Jakub Jelinek Backported from master: 2022-02-14 Jakub Jelinek PR c++/104513 * constexpr.c (potential_constant_expression_1) : Don't punt if returns (target). 2022-05-11 Jakub Jelinek Backported from master: 2022-02-11 Jakub Jelinek PR c++/104472 * constexpr.c (cxx_eval_internal_function) : Only return fold_const_call result if it is non-NULL. Otherwise fall through into the default: case to return t, set *non_constant_p and emit diagnostics if needed. 2022-05-11 Jakub Jelinek Backported from master: 2021-11-19 Jakub Jelinek PR c++/70796 * cp-gimplify.c (cp_gimplify_arg): New function. (cp_gimplify_expr): Use cp_gimplify_arg instead of gimplify_arg, pass true as last argument to it if there are any following arguments in strong evaluation order with side-effects. 2022-05-11 Jakub Jelinek Backported from master: 2021-10-19 Jakub Jelinek PR c++/102786 * constexpr.c (cxx_eval_constant_expression): Don't reject INTEGER_CSTs with type POINTER_TYPE to METHOD_TYPE. 2022-05-11 Jakub Jelinek Backported from master: 2021-10-05 Jakub Jelinek PR c++/102548 * tree.c (apply_identity_attributes): Fix handling of the case where an attribute in the list doesn't affect type identity but some attribute before it does. 2022-05-11 Jakub Jelinek Backported from master: 2021-09-15 Jakub Jelinek PR c++/88578 PR c++/102295 * typeck2.c (split_nonconstant_init_1): Don't throw away empty initializers of flexible array members if they have non-zero type size. 2022-05-11 Jakub Jelinek Backported from master: 2021-09-14 Jakub Jelinek PR c++/102295 * decl.c (layout_var_decl): For aggregates ending with a flexible array member, add the size of the initializer for that member to DECL_SIZE and DECL_SIZE_UNIT. 2022-05-11 Jakub Jelinek Backported from master: 2021-09-14 Jakub Jelinek PR c++/102305 * method.c (is_xible_helper): Call complete_type on to. 2022-05-11 Jakub Jelinek Backported from master: 2021-07-21 Jakub Jelinek PR c++/101516 * semantics.c (finish_omp_reduction_clause): Also call complete_type_or_else and return true if it fails. 2022-05-11 Tobias Burnus Backported from master: 2021-05-04 Tobias Burnus * semantics.c (finish_omp_reduction_clause): Accept float + complex for || and && reductions. 2022-05-11 Jakub Jelinek Backported from master: 2021-07-15 Jakub Jelinek PR c++/101443 * cp-gimplify.c (cp_fold): For comparisons with NULLPTR_TYPE operands, fold them right away to true or false. 2022-05-11 Jakub Jelinek Backported from master: 2021-06-21 Jakub Jelinek PR inline-asm/100785 * typeck.c (cxx_mark_addressable): Diagnose trying to make bit-fields addressable. 2022-05-11 Jakub Jelinek Backported from master: 2021-05-25 Jakub Jelinek PR c++/100666 * call.c (convert_arg_to_ellipsis): For expressions with NULLPTR_TYPE and side-effects, temporarily disable -Wunused-result warning when building COMPOUND_EXPR. 2021-06-01 Release Manager * GCC 9.4.0 released. 2021-05-28 Jason Merrill PR c++/100797 PR c++/95719 * call.c (build_over_call): Adjust base_binfo in resolves_to_fixed_type_p case. 2021-05-21 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. 2021-05-21 Jason Merrill PR c++/52625 * pt.c (maybe_process_partial_specialization): Check DECL_SELF_REFERENCE_P. 2021-05-21 Jason Merrill PR c++/80456 * call.c (build_new_method_call_1): Check again for side-effects with a volatile object. 2021-04-30 Jason Merrill PR c++/95719 * call.c (build_over_call): Look up the overrider in base_binfo. * class.c (lookup_vfn_in_binfo): Look through BINFO_PRIMARY_P. 2021-04-21 Patrick Palka Backported from master: 2021-02-23 Patrick Palka PR c++/95468 * pt.c (tsubst_copy_and_build) : New case, copied over from tsubst_copy. 2021-04-21 Patrick Palka Backported from master: 2020-08-05 Patrick Palka Jason Merrill PR c++/96282 * constexpr.c (cxx_eval_vec_init_1): Truncate ctx->ctor and then clear CONSTRUCTOR_NO_CLEARING on each appended element initializer if we're initializing a previously zero-initialized array object. 2021-04-21 Patrick Palka Backported from master: 2020-07-30 Patrick Palka PR c++/64194 * pt.c (resolve_overloaded_unification): If the function template specialization has a placeholder return type, then instantiate it before attempting unification. 2021-04-20 Jakub Jelinek Backported from master: 2021-04-20 Jakub Jelinek PR c++/99833 * pt.c (extract_locals_r): When handling DECL_EXPR of a structured binding, add to data.internal also all corresponding structured binding decls. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-30 Jakub Jelinek PR c++/99790 * cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-30 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-30 Jakub Jelinek PR c++/99650 * decl.c (cp_finish_decomp): Diagnose void initializers when using tuple_element and get. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 Jakub Jelinek PR c++/82959 * call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR and COMPOUND_EXPR. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 Jakub Jelinek PR c++/95451 * lambda.c (is_lambda_ignored_entity): Before checking for LAMBDA_FUNCTION_P, use OVL_FIRST. Drop FUNCTION_DECL check. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-03-19 Jakub Jelinek PR c++/97878 * decl.c (check_array_initializer): For structured bindings, require the array type to be complete. 2021-04-20 Jakub Jelinek Backported from master: 2021-01-29 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-01-29 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-01-29 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. 2021-04-20 Jakub Jelinek Backported from master: 2021-01-06 Jakub Jelinek PR c++/98187 * parser.c (cp_parser_omp_parallel): For parallel master with -fopenmp-simd only, just call cp_parser_omp_master instead of wrapping it in OMP_PARALLEL. 2021-04-20 Jakub Jelinek Backported from master: 2021-01-06 Jakub Jelinek PR c++/98072 * parser.c (cp_parser_omp_depobj): Suppress location wrappers when parsing depend clause. 2021-04-20 Jakub Jelinek Backported from master: 2020-11-12 Jakub Jelinek PR c++/97663 * parser.c (cp_parser_init_declarator): Don't try to parse C++17 deduction guides if there are any type specifiers even when type is NULL. 2021-03-06 Tobias Burnus Backported from master: 2021-03-05 Tobias Burnus PR c/99137 * parser.c (cp_parser_oacc_clause_async): Reject comma expressions. 2021-03-04 Jason Merrill PR c++/98810 * pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const to a class non-type template argument that needs it. 2021-03-04 Jason Merrill PR c++/95675 * call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR if it didn't get one before. 2021-02-27 Jason Merrill PR c++/90333 * parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes between () and ->. 2021-01-29 Jason Merrill PR c++/63707 * tree.c (build_vec_init_expr): Don't call build_vec_init_elt if we got a CONSTRUCTOR. 2020-12-16 Nathan Sidwell * parser.c (cp_parser_elaborated_type_specifier): Test BOUND_TEMPLATE_TEMPLATE_PARM before checking for instantiation. 2020-11-26 Thomas Schwinge Backported from master: 2020-11-26 Thomas Schwinge * parser.c (cp_parser_omp_var_list_no_open): Assert that array section's 'low_bound', 'length' are not location wrapper nodes. (cp_parser_oacc_all_clauses, cp_parser_oacc_cache): Instantiate 'auto_suppress_location_wrappers'. 2020-11-25 Thomas Schwinge Backported from master: 2020-11-25 Thomas Schwinge * pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE__CACHE_'. (tsubst_expr): Handle 'OACC_CACHE'. 2020-11-24 Jason Merrill PR c++/95158 * class.c (lookup_vfn_in_binfo): New. * call.c (build_over_call): Use it. (build_new_method_call_1): Don't set LOOKUP_NONVIRTUAL. * cp-tree.h (resolves_to_fixed_type_p): Add default argument. (lookup_vfn_in_binfo): Declare. 2020-11-13 Patrick Palka Backported from master: 2020-10-07 Patrick Palka PR c++/88115 PR libstdc++/97273 * tree.c (cp_tree_equal) : Return false if ALIGNOF_EXPR_STD_P differ. 2020-09-16 Jakub Jelinek Backported from master: 2020-09-03 Jakub Jelinek PR c++/96862 * constexpr.c (cxx_eval_outermost_constant_expr): Temporarily disable flag_rounding_math during manifestly constant evaluation. 2020-09-16 Jakub Jelinek Backported from master: 2020-05-28 Jakub Jelinek PR c++/95328 * decl.c (cp_finish_decomp): Call complete_type before checking COMPLETE_TYPE_P. 2020-09-16 Jakub Jelinek Backported from master: 2020-05-07 Jakub Jelinek PR c++/94951 * typeck.c (cp_strict_aliasing_warning): New function. (cp_build_indirect_ref_1, build_reinterpret_cast_1): Use it instead of strict_aliasing_warning. 2020-09-16 Jakub Jelinek Backported from master: 2020-04-24 Jakub Jelinek PR c++/94742 * semantics.c (finish_call_expr): When looking if all overloads are noreturn, use STRIP_TEMPLATE to look through TEMPLATE_DECLs. 2020-09-16 Jakub Jelinek Backported from master: 2020-04-16 Jakub Jelinek PR c++/94571 * parser.c (cp_parser_simple_declaration): Fix up a pasto in diagnostics. 2020-09-16 Jakub Jelinek Backported from master: 2020-04-08 Jakub Jelinek PR c++/94325 * decl.c (begin_destructor_body): For CLASSTYPE_VBASECLASSES class dtors, if CLASSTYPE_PRIMARY_BINFO is non-NULL, but not BINFO_VIRTUAL_P, look at CLASSTYPE_PRIMARY_BINFO of its BINFO_TYPE if it is not BINFO_VIRTUAL_P, and so on. 2020-06-16 Patrick Palka PR c++/95678 * tree.c (zero_init_expr_p): Use uses_template_parms instead of dependent_type_p. 2020-06-11 Marek Polacek PR c++/95344 * cp-gimplify.c (cp_fold) : Don't set TREE_THIS_VOLATILE here. (cp_fold): Set it here along with TREE_NO_WARNING. 2020-06-11 Marek Polacek PR c++/95560 * name-lookup.c (check_local_shadow): Check if types are non-null before calling same_type_p. 2020-05-25 Jason Merrill PR c++/90212 * constexpr.c (potential_constant_expression_1): In a lambda function, consider a captured variable directly. 2020-05-25 Jason Merrill PR c++/90479 * init.c (get_nsdmi): Don't push_to_top_level for a local class. 2020-05-25 Jason Merrill PR c++/91529 * decl.c (cp_finish_decl): Also clear TREE_READONLY if -fmerge-all-constants. 2020-05-25 Jason Merrill PR c++/93822 * pt.c (tsubst_decl): Make sure DECL_VALUE_EXPR continues to have the same type as the variable. 2020-05-06 Nathan Sidwell PR c++/94946 * decl.c (grokdeclarator): Don't splice template attributes in parm context -- they can apply to the parm. 2020-04-27 Jason Merrill PR c++/90750 PR c++/79585 * decl.c (grokdeclarator): Move dependent attribute to decl. * decl2.c (splice_template_attributes): No longer static. 2020-04-21 Martin Sebor Jason Merrill PR c++/94510 * decl.c (reshape_init_array_1): Avoid stripping redundant trailing zero initializers... * mangle.c (write_expression): ...and handle them here even for pointers to members by calling zero_init_expr_p. * cp-tree.h (zero_init_expr_p): Declare. * tree.c (zero_init_expr_p): Define. (type_initializer_zero_p): Remove. * pt.c (tparm_obj_values): New hash_map. (get_template_parm_object): Store to it. (tparm_object_argument): New. 2020-04-20 Marek Polacek Backported from mainline 2020-04-20 Marek Polacek PR c++/94505 - bogus -Wparentheses warning with fold-expression. * pt.c (fold_expression): Add warning_sentinel for -Wparentheses before calling build_x_binary_op. 2020-04-07 Jakub Jelinek PR c++/94512 * parser.c (cp_parser_omp_parallel): Set OMP_PARALLEL_COMBINED if cp_parser_omp_master succeeded. Backported from mainline 2020-04-04 Jakub Jelinek PR c++/94477 * pt.c (tsubst_expr) : Clear omp_parallel_combined_clauses. 2020-03-30 Jakub Jelinek PR c++/94385 * semantics.c (add_stmt): Only set STMT_IS_FULL_EXPR_P on trees with STATEMENT_CODE_P code. 2020-03-19 Jakub Jelinek PR c++/93931 * parser.c (cp_parser_omp_var_list_no_open): Call process_outer_var_ref on outer_automatic_var_p decls. * cp-gimplify.c (cxx_omp_disregard_value_expr): Return true also for capture proxy decls. 2020-03-17 Jakub Jelinek PR c++/90995 * parser.c (cp_parser_enum_specifier): Use temp_override for parser->colon_corrects_to_scope_p, replace goto out with return. If scoped enum or enum with underlying type is not followed by { or ;, call cp_parser_commit_to_tentative_parse before calling cp_parser_error and make sure to return error_mark_node instead of NULL_TREE. Formatting fixes. 2020-04-05 Marek Polacek 2020-02-06 Marek Polacek Backport from mainline PR c++/93597 - ICE with lambda in operator function. * name-lookup.c (maybe_save_operator_binding): Check is_overloaded_fn. 2020-04-04 Jason Merrill PR c++/91377 * mangle.c (write_expression): Skip IMPLICIT_CONV_EXPR. 2020-04-04 Jason Merrill PR c++/94453 * constexpr.c (maybe_constant_value): Use break_out_target_exprs. * expr.c (mark_use) [VIEW_CONVERT_EXPR]: Don't wrap a TARGET_EXPR in NON_LVALUE_EXPR. 2020-04-03 Jason Merrill PR c++/91966 * pt.c (complex_pack_expansion_r): New. (complex_alias_template_p): Use it. 2020-03-30 Jason Merrill PR c++/90711 * tree.c (cp_tree_equal) [CALL_EXPR]: Compare KOENIG_LOOKUP_P. (called_fns_equal): Check DECL_CONTEXT. 2020-03-27 Nathan Sidwell PR c++/84733 * name-lookup.c (do_pushdecl): Look through cleanp levels. 2020-03-14 Jason Merrill PR c++/92909 * pt.c (find_parameter_packs_r): [DECL_EXPR]: Walk DECL_ORIGINAL_TYPE of a typedef. 2020-03-14 Jason Merrill PR c++/92068 * pt.c (process_partial_specialization): Error rather than crash on extra pack expansion. 2020-03-14 Jason Merrill PR c++/93248 * pt.c (build_deduction_guide): Clear cp_unevaluated_operand for substituting DECL_ARGUMENTS. 2020-03-12 Release Manager * GCC 9.3.0 released. 2020-03-05 Jason Merrill PR c++/88395 PR c++/93551 * constraint.cc (constraints_satisfied_p): Use push_tinst_level. 2020-03-05 Martin Sebor Backport from trunk. 2020-02-21 Martin Sebor PR gcov-profile/93753 * class.c (check_flexarrays): Tighten up a test for potential members of anonymous structs or unions. 2020-03-05 Jason Merrill PR c++/90338 * pt.c (invalid_nontype_parm_type_p): Check complain for non-literal and mutable errors. 2020-03-04 Jason Merrill PR c++/91607 * constexpr.c (constexpr_call_hasher::equal): Use same_type_ignoring_top_level_qualifiers_p. 2020-03-04 Martin Sebor PR c++/90938 * tree.c (type_initializer_zero_p): Fail for structs initialized with non-structs. 2020-03-04 Marek Polacek Backported from mainline 2020-01-24 Marek Polacek PR c++/93299 - ICE in tsubst_copy with parenthesized expression. * pt.c (tsubst_copy): Handle a REF_PARENTHESIZED_P VIEW_CONVERT_EXPR. 2020-03-04 Marek Polacek Backported from mainline 2020-02-26 Marek Polacek PR c++/93676 - value-init crash in template. * init.c (build_new_1): Don't call build_vec_init in a template. 2020-03-04 Jason Merrill Marek Polacek PR c++/90505 - mismatch in template argument deduction. * pt.c (tsubst): Don't reduce the template level of template parameters when tf_partial. 2020-03-04 Jason Merrill PR c++/90432 * init.c (perform_member_init): Don't do aggregate initialization of empty field. * constexpr.c (cx_check_missing_mem_inits): Don't enforce initialization of empty field. 2020-03-04 Jason Merrill PR c++/90997 * semantics.c (finish_call_expr): Don't call instantiate_non_dependent_expr before warn_for_memset. 2020-03-02 Jason Merrill PR c++/86917 * constexpr.c (cxx_eval_vec_init_1): Handle CONSTRUCTOR. 2020-03-02 Jason Merrill PR c++/91953 * constexpr.c (potential_constant_expression_1) [PARM_DECL]: Allow empty class type. [COMPONENT_REF]: A member function reference doesn't use the object as an rvalue. 2020-03-02 Jason Merrill PR c++/88256 * cp-gimplify.c (predeclare_vla): New. (cp_genericize_r) [NOP_EXPR]: Call it. 2020-03-02 Jason Merrill PR c++/93442 * parser.c (cp_parser_lambda_expression): Clear in_discarded_stmt. 2020-03-02 Jason Merrill PR c++/90732 - ICE with VLA capture and generic lambda. * pt.c (tsubst_lambda_expr): Repeat add_capture for VLAs. 2020-03-02 Jason Merrill PR c++/90333 PR c++/89640 PR c++/60503 * parser.c (cp_parser_type_specifier_seq): Don't parse attributes in a trailing return type. (cp_parser_lambda_declarator_opt): Parse C++11 attributes before parens. 2020-02-26 Marek Polacek PR c++/92745 - bogus error when initializing array of vectors. * decl.c (reshape_init_r): For a nested compound literal, do call reshape_init_{class,array,vector}. 2020-02-26 Jason Merrill PR c++/90951 * constexpr.c (cxx_eval_array_reference): {}-initialize missing elements instead of value-initializing them. 2020-02-26 Jason Merrill PR c++/93140 * pt.c (tsubst_decl) [PARM_DECL]: Check cp_unevaluated_operand in handling of TREE_CHAIN for empty pack. 2020-02-26 Jason Merrill PR c++/92852 * constexpr.c (maybe_constant_value): Don't unshare if the cached value is the same as the argument. 2020-02-14 Jakub Jelinek PR c++/61414 * class.c (enum_min_precision): Change prec type from int to int &. 2020-02-13 Jakub Jelinek Backported from mainline 2020-02-05 Jakub Jelinek PR c++/93557 * semantics.c (cp_build_vec_convert): Call decay_conversion on arg prior to passing it to c_build_vec_convert. 2020-01-29 Jakub Jelinek PR c++/91118 * cp-gimplify.c (cxx_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED for typeinfo decls. 2020-01-28 Jason Merrill PR c++/90546 * call.c (build_user_type_conversion_1): Allow a template conversion returning an rvalue reference to bind directly to an lvalue. PR c++/90731 * decl.c (grokdeclarator): Propagate eh spec from typedef. PR c++/90966 * pt.c (tsubst_copy) [STRING_CST]: Don't use fold_convert. PR c++/93279 - ICE with lambda in member operator. * name-lookup.c (maybe_save_operator_binding): Don't remember class-scope bindings. 2020-01-27 Nathan Sidwell PR c++/91826 * name-lookup.c (is_ancestor): Allow CHILD to be a namespace alias. 2020-01-24 Jason Merrill PR c++/92852 - ICE with generic lambda and reference var. * constexpr.c (maybe_constant_value): Likewise. 2020-01-22 Jakub Jelinek Backported from mainline 2020-01-17 Jakub Jelinek PR c++/93228 * parser.c (cp_parser_template_name): Look up deprecated attribute in DECL_TEMPLATE_RESULT or its type's attributes. 2019-12-26 Jakub Jelinek PR c++/92438 * parser.c (cp_parser_constructor_declarator_p): If open paren is followed by RID_ATTRIBUTE, skip over the attribute tokens and try to parse type specifier. 2019-12-20 Jakub Jelinek PR c++/92992 * call.c (convert_arg_to_ellipsis): For decltype(nullptr) arguments that have side-effects use cp_build_compound_expr. 2020-01-21 Jason Merrill PR c++/91476 - anon-namespace reference temp clash between TUs. * call.c (make_temporary_var_for_ref_to_temp): Clear TREE_PUBLIC if DECL is in the anonymous namespace. 2020-01-17 Jason Merrill PR c++/92531 - ICE with noexcept(lambda). * pt.c (uses_template_parms): Don't try to enumerate all the expression cases. 2020-01-16 Jason Merrill PR c++/93286 - ICE with __is_constructible and variadic template. * pt.c (tsubst) [TREE_LIST]: Handle pack expansion. (tsubst_copy_and_build) [TRAIT_EXPR]: Always use tsubst for type2. 2020-01-02 Jakub Jelinek PR c/90677 * cp-objcp-common.c (identifier_global_tag): Return NULL_TREE if name has not been found, rather than error_mark_node. 2019-12-20 Jakub Jelinek Backported from mainline 2019-12-06 Jakub Jelinek PR c++/92831 - CWG 1299, not extending temporary lifetime for ?: * cp-tree.h (extend_ref_init_temps): Add a new argument with NULL default arg. * call.c (set_up_extended_ref_temp): Add COND_GUARD argument, pass it down to extend_ref_init_temps. Before pushing cleanup, if COND_GUARD is non-NULL, create a bool temporary if needed, initialize to false and guard the cleanup with the temporary being true. (extend_ref_init_temps_1): Add COND_GUARD argument, pass it down to recursive calls and set_up_extended_ref_temp. Handle COND_EXPR. (extend_ref_init_temps): Add COND_GUARD argument, pass it down to recursive calls and to extend_ref_init_temps_1. 2019-12-03 Jakub Jelinek PR c++/92732 * typeck2.c (digest_nsdmi_init): For bitfields, use DECL_BIT_FIELD_TYPE instead of TREE_TYPE. PR c++/92695 * constexpr.c (cxx_bind_parameters_in_call): For virtual calls, adjust the first argument to point to the derived object rather than its base. 2019-12-02 Jakub Jelinek PR c++/92695 * constexpr.c (cxx_eval_constant_expression) : Use STRIP_NOPS before checking for ADDR_EXPR. 2019-11-29 Jakub Jelinek PR c++/60228 * parser.c (cp_parser_omp_declare_reduction_exprs): If processing_template_decl, wrap the combiner or initializer into EXPR_STMT. * decl.c (start_preparsed_function): Don't start a lambda scope for DECL_OMP_DECLARE_REDUCTION_P functions. (finish_function): Don't finish a lambda scope for DECL_OMP_DECLARE_REDUCTION_P functions, nor cp_fold_function them nor cp_genericize them. * mangle.c (decl_mangling_context): Look through DECL_OMP_DECLARE_REDUCTION_P functions. * semantics.c (expand_or_defer_fn_1): For DECL_OMP_DECLARE_REDUCTION_P functions, use tentative linkage, don't keep their bodies with -fkeep-inline-functions and return false at the end. 2019-11-28 Jakub Jelinek PR c++/92695 * decl2.c (mark_used): Don't call note_vague_linkage_fn for pure virtual functions, even if they are declared inline. 2019-11-27 Jakub Jelinek PR c++/92524 * tree.c (replace_placeholders_r): Don't walk constructor elts with RANGE_EXPR indexes. 2019-11-26 Jakub Jelinek PR c++/92648 * parser.c (cp_parser_std_attribute): For unknown attributes, skip balanced token seq instead of trying to parse attribute-argument-clause as expression list. PR c++/61414 * class.c (enum_to_min_precision): New hash_map. (enum_min_precision): New function. (check_bitfield_decl): Use it. 2019-11-22 Jakub Jelinek PR c/90677 * cp-objcp-common.c (identifier_global_tag): Define. 2019-11-21 Jakub Jelinek Jason Merrill PR c++/90842 * parser.c (cp_parser_decl_specifier_seq): For concept or typedef break early if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR. For type specifiers, set CP_PARSER_FLAGS_NO_TYPE_DEFINITIONS if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR is set. 2019-12-11 Jason Merrill PR c++/57082 - new X{} and private destructor. * init.c (build_new_1): Also pass tf_no_cleanup to build_special_member_call. 2019-12-11 Jason Merrill PR c++/92859 - ADL and bit-field. * name-lookup.c: Use unlowered_expr_type. 2019-12-11 Jason Merrill PR c++/92446 - deduction of class NTTP. * pt.c (deducible_expression): Look through VIEW_CONVERT_EXPR. 2019-11-06 Jason Merrill PR c++/92150 - partial specialization with class NTTP. * pt.c (unify): Handle VIEW_CONVERT_EXPR. 2019-11-20 Jakub Jelinek PR c++/90767 * call.c (complain_about_no_candidates_for_method_call): If conv->from is not a type, pass to complain_about_bad_argument lvalue_type of conv->from. Backported from mainline 2019-11-19 Jakub Jelinek PR c++/92504 * semantics.c (handle_omp_for_class_iterator): Don't call cp_fully_fold on cond. 2019-11-08 Marek Polacek Backported from mainline 2019-10-29 Marek Polacek PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion. * call.c (joust): Don't attempt to warn if ->second_conv is null. 2019-11-08 Jakub Jelinek Backported from mainline 2019-11-05 Jakub Jelinek PR c++/92343 * constexpr.c (potential_constant_expression_1): Return true rather than false for PREDICT_EXPR. 2019-10-31 Jakub Jelinek PR c++/90947 * cp-tree.h (type_initializer_zero_p): Declare. * decl.c (reshape_init_array_1): Formatting fix. * tree.c (type_initializer_zero_p): New function. Moved from ../tree.c, use next_initializable_field, formatting fix. Return false for TYPE_NON_AGGREGATE_CLASS types. 2019-10-22 Jakub Jelinek PR tree-optimization/85887 * decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire and __cxa_guard_release. 2019-10-21 Jakub Jelinek PR c++/92015 * constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref): Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts. 2019-10-29 Jakub Jelinek PR c++/92201 * cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the function pointer type, re-add cast to the original one. 2018-10-26 Ville Voutilainen Backport from mainline 2019-06-01 Ville Voutilainen PR c++/85254 * class.c (fixup_type_variants): Handle CLASSTYPE_FINAL. 2019-10-24 Marek Polacek * decl.c (reshape_init_r): Add missing space. 2019-10-22 Marek Polacek Backported from mainline 2019-10-21 Marek Polacek PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr. * typeck.c (maybe_warn_about_returning_address_of_local): Avoid recursing on null initializer and return false instead. PR c++/92062 - ODR-use ignored for static member of class template. * pt.c (has_value_dependent_address): Strip location wrappers. 2019-10-21 Jakub Jelinek Backported from mainline 2019-10-04 Jakub Jelinek PR c++/91974 * cp-gimplify.c (cp_gimplify_expr) : For -fstrong-eval-order ensure CALL_EXPR_FN side-effects are evaluated before any arguments. Additionally, ensure CALL_EXPR_FN that isn't invariant nor OBJ_TYPE_REF nor SSA_NAME is forced into a temporary. 2019-09-27 Jakub Jelinek PR c++/88203 * parser.c (cp_parser_omp_var_list_no_open): Parse predefined variables. * semantics.c (finish_omp_clauses): Allow predefined variables in shared and firstprivate clauses, even when they are predetermined shared. * cp-gimplify.c (cxx_omp_predetermined_sharing_1): Return OMP_CLAUSE_DEFAULT_SHARED for predefined variables. 2019-08-09 Jakub Jelinek PR c/91401 * parser.c (cp_parser_omp_clause_dist_schedule): Comment out the check_no_duplicate_clause call, instead emit a warning for duplicate dist_schedule clauses. 2019-10-16 Richard Biener Backport from mainline 2019-10-02 Richard Biener PR c++/91606 * decl.c (build_ptrmemfunc_type): Mark pointer-to-member fat pointer structure members as DECL_NONADDRESSABLE_P. 2019-10-08 Marek Polacek Backported from mainline 2019-09-15 Marek Polacek PR c++/91740 - ICE with constexpr call and ?: in ARRAY_REF. * pt.c (build_non_dependent_expr): Call build_non_dependent_expr for the first operand. 2019-09-28 Marek Polacek Backported from mainline 2019-09-28 Marek Polacek PR c++/91923 - failure-to-SFINAE with class type NTTP in C++17. * pt.c (invalid_nontype_parm_type_p): Only emit errors when tf_error. 2019-09-10 Marek Polacek Backported from mainline 2019-09-10 Marek Polacek PR c++/91705 - constexpr evaluation rejects ++/-- on floats. * constexpr.c (cxx_eval_increment_expression): Call fold_simple on the offset. 2019-09-01 Marek Polacek Backported from mainline 2019-09-01 Marek Polacek PR c++/91129 - wrong error with binary op in template argument. * typeck.c (warn_for_null_address): Use fold_for_warn instead of fold_non_dependent_expr. (cp_build_binary_op): Likewise. 2019-08-31 Iain Sandoe Backported from mainline 2019-08-23 Iain Sandoe PR pch/61250 * parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch () after determining that the first token is not PRAGMA_GCC_PCH_PREPROCESS. 2019-08-23 Marek Polacek Backported from mainline 2019-08-23 Marek Polacek PR c++/91521 - wrong error with operator->. * decl.c (grokdeclarator): Return error_mark_node for an invalid trailing return type. 2019-08-16 Jason Merrill PR c++/90393 - ICE with throw in ?: * call.c (build_conditional_expr_1): Revert changes from PR c++/64372 and c++/86205. 2019-08-15 Marek Polacek Backported from mainline 2019-08-07 Marek Polacek PR c++/81429 - wrong parsing of constructor with C++11 attribute. * parser.c (cp_parser_constructor_declarator_p): Handle the scenario when a parameter declaration begins with [[attribute]]. 2019-08-08 Marek Polacek PR c++/87519 - bogus warning with -Wsign-conversion. * typeck.c (cp_build_binary_op): Use same_type_p instead of comparing the types directly. 2019-08-13 Marek Polacek PR c++/90473 - wrong code with nullptr in default argument. * call.c (null_ptr_cst_p): Update quote from the standard. * decl.c (check_default_argument): Don't return nullptr when the arg has side-effects. 2019-06-14 Marek Polacek PR c++/90884 - stray note with -Wctor-dtor-privacy. * class.c (maybe_warn_about_overly_private_class): Guard the call to inform. 2019-08-14 Martin Sebor Backported from mainline 2019-08-01 Martin Sebor PR c++/90947 * decl.c (reshape_init_array_1): Avoid truncating initializer lists containing string literals. 2019-08-14 Jonathan Wakely PR c++/91436 * name-lookup.c (get_std_name_hint): Fix min_dialect field for complex_literals and make_unique entries. 2019-08-12 Tom Honermann * parser.c (cp_parser_template_declaration_after_parameters): Enable class template argument deduction for non-type template parameters in literal operator templates. 2019-08-12 Jason Merrill PR c++/91378 - ICE with noexcept and auto return type. * pt.c (maybe_instantiate_noexcept): push_to_top_level. PR c++/90538 - multiple expansions of capture packs * cp-tree.h (DECLTYPE_FOR_INIT_CAPTURE): Remove. * lambda.c (add_capture): Copy parameter packs from init. (lambda_capture_field_type): Always use auto for init-capture. * pt.c (uses_parameter_packs): Return tree. (tsubst) [DECLTYPE_TYPE]: Remove init-capture handling. (gen_elem_of_pack_expansion_instantiation): Don't push local_specialization_stack. (prepend_one_capture): New. (tsubst_lambda_expr): Use it. Don't touch local_specializations. (do_auto_deduction): Avoid redundant error. 2019-08-12 Release Manager * GCC 9.2.0 released. 2019-08-02 Martin Sebor Backport from mainline 2019-06-05 Martin Sebor PR c/90737 * typeck.c (maybe_warn_about_returning_address_of_local): Only consider functions returning pointers as candidates for -Wreturn-local-addr. 2019-08-02 Marek Polacek Backported from mainline 2019-08-02 Marek Polacek PR c++/91230 - wrong error with __PRETTY_FUNCTION__ and generic lambda. * pt.c (value_dependent_expression_p): Consider __PRETTY_FUNCTION__ inside a template function value-dependent. 2019-07-19 Jason Merrill PR c++/90098 - partial specialization and class non-type parms. PR c++/90099 PR c++/90101 * call.c (build_converted_constant_expr_internal): Don't copy. * pt.c (process_partial_specialization): Allow VIEW_CONVERT_EXPR around class non-type parameter. (unify) [TEMPLATE_PARM_INDEX]: Ignore cv-quals. (invalid_nontype_parm_type_p): Check for dependent class type. PR c++/85552 - wrong instantiation of dtor for DMI. * typeck2.c (digest_nsdmi_init): Set tf_no_cleanup for direct-init. 2019-07-19 Nina Dinka Ranns PR c++/63149 - Wrong auto deduction from braced-init-list. * pt.c (listify_autos): use non cv qualified auto_node in std::initializer_list. 2019-07-01 Marek Polacek Backported from mainline 2019-06-21 Marek Polacek PR c++/60223 - ICE with T{} in non-deduced context. * pt.c (unify): Allow COMPOUND_LITERAL_P in a non-deduced context. PR c++/90490 - fix decltype issues in noexcept-specifier. * except.c (build_noexcept_spec): 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. 2019-06-29 Jakub Jelinek Backported from mainline 2019-06-21 Jakub Jelinek PR c++/90950 * semantics.c (finish_omp_clauses): Don't reject references to incomplete types if processing_template_decl. 2019-06-12 Marek Polacek PR c++/90825 - endless recursion when evaluating sizeof. PR c++/90832 - endless recursion when evaluating sizeof. * constexpr.c (cxx_eval_constant_expression): Don't recurse on the result of fold_sizeof_expr if is returns a SIZEOF_EXPR. * typeck.c (cxx_sizeof_expr): Only return a SIZEOF_EXPR if the operand is instantiation-dependent. PR c++/90736 - bogus error with alignof. * constexpr.c (adjust_temp_type): Use cv_unqualified type. 2019-06-11 Jakub Jelinek PR c++/90810 * init.c (constant_value_1): Handle VECTOR_CST DECL_INITIAL for !DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P decls like CONSTRUCTOR. 2019-06-05 Jakub Jelinek Backported from mainline 2019-05-29 Jakub Jelinek PR c++/90598 * tree.c (lvalue_kind): Return clk_none for expressions with with VOID_TYPE_P. 2019-05-28 Marek Polacek Backported from mainline 2019-05-28 Marek Polacek PR c++/90548 - ICE with generic lambda and empty pack. * pt.c (tsubst_copy_and_build): Handle pack expansion properly. 2019-05-25 Marek Polacek Backported from mainline 2019-05-25 Marek Polacek PR c++/90572 - wrong disambiguation in friend declaration. * parser.c (cp_parser_constructor_declarator_p): Don't allow missing typename for friend declarations. 2019-05-20 Jonathan Wakely Backported from mainline 2019-05-20 Jonathan Wakely PR c++/90532 Ensure __is_constructible(T[]) is false * method.c (is_xible_helper): Return error_mark_node for construction of an array of unknown bound. 2019-05-17 Jakub Jelinek Backported from mainline 2019-05-15 Jakub Jelinek PR debug/90197 * cp-gimplify.c (genericize_cp_loop): Emit a DEBUG_BEGIN_STMT before the condition (or if missing or constant non-zero at the end of the loop. Emit a DEBUG_BEGIN_STMT before the increment expression if any. Don't call protected_set_expr_location on incr if it already has a location. 2019-05-10 Jakub Jelinek PR pch/90326 * config-lang.in (gtfiles): Remove c-family/c-lex.c, add c-family/c-cppbuiltin.c. 2019-05-10 Marek Polacek PR c++/78010 - bogus -Wsuggest-override warning on final function. * class.c (check_for_override): Don't warn for final functions. 2019-05-06 Marek Polacek PR c++/90265 - ICE with generic lambda. * pt.c (tsubst_copy_and_build): Use a dedicated variable for the last element in the vector. 2019-05-06 Paolo Carlini PR c++/90173 * decl.c (grokdeclarator): Set type to error_mark_node upon error about template placeholder type non followed by a simple declarator-id. 2019-05-04 Michael Meissner * ChangeLog.ibm: Delete unintentional commit on the wrong branch. 2019-05-03 Release Manager * GCC 9.1.0 released. 2019-04-24 Jason Merrill PR c++/90227 - error with template parameter packs. * pt.c (coerce_template_parms): Do add empty pack when require_all_args. 2019-04-24 Richard Biener * call.c (null_ptr_cst_p): Order checks according to expensiveness. (conversion_null_warnings): Likewise. * typeck.c (same_type_ignoring_top_level_qualifiers_p): Return early if type1 == type2. 2019-04-22 Jason Merrill PR c++/87366 - wrong error with alias template. * typeck.c (structural_comptypes): When comparing_specializations, aliases are unequal. (comptypes): When comparing_specializations, do structural comparison. 2019-04-19 Jason Merrill PR c++/90190 - CTAD with list-constructor. * pt.c (do_class_deduction): Don't try the single element deduction if the single element is also a braced list. PR c++/90171 - ICE with destroying delete with size_t parm. * call.c (sized_deallocation_fn_p): New. Use it instead of second_parm_is_size_t in most cases. (second_parm_is_size_t): Don't check for aligned. 2019-04-19 Paolo Carlini PR c++/89900 * pt.c (fn_type_unification): When handling null explicit arguments do not special case non-parameter packs. 2019-04-19 Jakub Jelinek PR c++/90138 * pt.c (process_template_parm): Set decl to pushdecl result. If !is_non_type, also set parm to that. PR c/89888 * decl.c (struct cp_switch): Remove outside_range_p member. (push_switch): Don't clear it. (pop_switch): Adjust c_do_switch_warnings caller. (finish_case_label): Adjust c_add_case_label caller. PR c++/90108 * decl.c (duplicate_decls): If remove is main variant and DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE variant that has newdecl as TYPE_NAME if any. 2019-04-18 Jason Merrill PR c++/87554 - ICE with extern template and reference member. * decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars. 2019-04-17 Jason Merrill PR c++/90047 - ICE with enable_if alias template. * pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the hash table when we're in SFINAE context. 2019-04-17 Marek Polacek PR c++/90124 - bogus error with incomplete type in decltype. * typeck.c (build_class_member_access_expr): Check cp_unevaluated_operand. 2019-04-12 Jakub Jelinek PR c/89933 * decl.c (duplicate_decls): When newdecl's type is its main variant, don't try to remove it from the variant list, but instead assert it has no variants. 2019-04-12 Martin Sebor PR c/88383 PR c/89288 * parser.c (cp_parser_has_attribute_expression): Handle assignment expressions. 2019-04-12 Jason Merrill * call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR of PMF type. 2019-04-12 Marek Polacek * except.c (build_noexcept_spec): Use build_converted_constant_bool_expr instead of perform_implicit_conversion_flags. PR c++/87603 - constexpr functions are no longer noexcept. * constexpr.c (is_sub_constant_expr): Remove unused function. * cp-tree.h (is_sub_constant_expr): Remove declaration. * except.c (check_noexcept_r): Don't consider a call to a constexpr function noexcept. 2019-04-11 Jakub Jelinek PR translation/90035 * parser.h (struct cp_parser): Add type_definition_forbidden_message_arg member. * parser.c (cp_debug_parser): Print it. (cp_parser_check_type_definition): Pass parser->type_definition_forbidden_message_arg as second argument to error. (cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set parser->type_definition_forbidden_message_arg and use G_() with %qs for parser->type_definition_forbidden_message instead of building untranslatable message using concat. 2019-04-09 Jakub Jelinek PR translation/90011 * typeck2.c (check_narrowing): Remove trailing space from diagnostics. 2019-04-08 Marek Polacek * typeck2.c (digest_init_r): Don't condition the object slicing warning on flag_checking. 2019-04-08 Paolo Carlini PR c++/89914 * semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P when maybe_instantiate_noexcept fails. (classtype_has_nothrow_assign_or_copy_p): Likewise. * method.c (implicitly_declare_fn): Avoid passing error_mark_node to build_exception_variant. 2019-04-05 Marek Polacek PR c++/87145 - bogus error converting class type in template arg list. * pt.c (convert_nontype_argument): Don't call build_converted_constant_expr if it could involve calling a conversion function with a instantiation-dependent constructor as its argument. 2019-04-05 Martin Sebor PR bootstrap/89980 * decl.c (reshape_init_array_1): Avoid treating empty strings as zeros in array initializers. Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT(). 2019-04-04 Jason Merrill PR c++/89948 - ICE with break in statement-expr. * constexpr.c (cxx_eval_statement_list): Jumping out of a statement-expr is non-constant. 2019-04-04 Jason Merrill PR c++/89966 - error with non-type auto tparm. * pt.c (do_auto_deduction): Clear tf_partial. 2019-04-04 Jason Merrill PR c++/86986 - ICE with TTP with parameter pack. * pt.c (coerce_template_parameter_pack): Only look at the type of a non-type parameter pack. (fixed_parameter_pack_p_1): Don't recurse into the type of a non-type parameter pack. (coerce_template_template_parms): Call add_outermost_template_args. 2019-04-04 Martin Sebor PR c++/89974 PR c++/89878 PR c++/89833 PR c++/47488 * decl.c (reshape_init_array_1): Strip trailing zero-initializers from arrays of trivial type and known size. * mangle.c (write_expression): Convert braced initializer lists to STRING_CSTs. (write_expression): Trim trailing zero-initializers from arrays of trivial type. (write_template_arg_literal): Mangle strings the same as braced initializer lists. 2019-04-03 Jason Merrill PR c++/81866 - ICE with member template and default targ. * pt.c (tsubst_template_decl): Handle getting a type from retrieve_specialization. PR c++/86586 - -fcompare-debug=-Wsign-compare. * typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare. PR c++/89331 - ICE with offsetof in incomplete class. * semantics.c (finish_offsetof): Handle error_mark_node. * typeck.c (build_class_member_access_expr): Call complete_type_or_maybe_complain before converting to base. PR c++/89917 - ICE with lambda in variadic mem-init. * pt.c (make_pack_expansion): Change type_pack_expansion_p to false. 2019-04-01 Jason Merrill PR c++/86946 - ICE with function call in template argument. DR 1321 * pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use dependent_name. 2019-04-01 Paolo Carlini PR c++/62207 * pt.c (tsubst_copy): Deal with lookup_name not returing a variable. 2019-03-31 Marek Polacek PR c++/89852 - ICE with C++11 functional cast with { }. * constexpr.c (fold_non_dependent_expr_template): New static function broken out of... (fold_non_dependent_expr): ...here. (fold_non_dependent_init): New function. * cp-tree.h (fold_non_dependent_init): Declare. * typeck2.c (massage_init_elt): Call fold_non_dependent_init instead of fold_non_dependent_expr. Don't call maybe_constant_init. 2019-03-30 Jason Merrill PR c++/89744 - ICE with specialization of member class template. * pt.c (lookup_template_class_1): If the partial instantiation is explicitly specialized, adjust. (maybe_process_partial_specialization): Also adjust CLASSTYPE_TI_ARGS. 2019-03-29 Jakub Jelinek PR sanitizer/89869 * typeck.c: Include gimplify.h. (cp_build_modify_expr) : Unshare rhs before using it for second time. Formatting fixes. 2019-03-29 Marek Polacek PR c++/89876 - ICE with deprecated conversion. * call.c (convert_like_real): Only give warnings with tf_warning. 2019-03-28 Marek Polacek PR c++/89612 - ICE with member friend template with noexcept. * pt.c (maybe_instantiate_noexcept): For function templates, use their template result (function decl). Don't set up local specializations. Temporarily turn on processing_template_decl. Update the template type too. PR c++/89836 - bool constant expression and explicit conversions. * call.c (build_converted_constant_expr_internal): New function, renamed from... (build_converted_constant_expr): ...this. New. (build_converted_constant_bool_expr): New. * cp-tree.h (build_converted_constant_bool_expr): Declare. * decl.c (build_explicit_specifier): Call build_converted_constant_bool_expr. 2019-03-28 Jakub Jelinek PR c++/89785 * constexpr.c (struct check_for_return_continue_data): New type. (check_for_return_continue): New function. (potential_constant_expression_1) : Walk SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested in loop bodies and set *jump_target to that if found. 2019-03-27 Jason Merrill PR c++/89831 - error with qualified-id in const member function. * semantics.c (finish_non_static_data_member): Use object cv-quals in scoped case, too. PR c++/89421 - ICE with lambda in template parameter list. * parser.c (cp_parser_lambda_expression): Also reject a lambda in a template parameter list before C++20. * pt.c (type_dependent_expression_p): True for LAMBDA_EXPR. * semantics.c (begin_class_definition): Restore error about defining non-lambda class in template parm list. 2019-03-26 Jason Merrill PR c++/86932 - missed SFINAE with empty pack. * pt.c (coerce_template_parms): Don't add an empty pack if tf_partial. (fn_type_unification): Pass tf_partial to coerce_template_parms. PR c++/86429 - constexpr variable in lambda. PR c++/82643 PR c++/87327 * constexpr.c (cxx_eval_constant_expression): In a lambda function, try evaluating the captured variable directly. 2019-03-26 Jakub Jelinek PR c++/89796 * semantics.c (finish_omp_atomic): Add warning_sentinel for -Wunused-value around finish_expr_stmt call. 2019-03-25 Paolo Carlini PR c++/84661 PR c++/85013 * parser.c (cp_parser_binary_expression): Don't call cp_fully_fold to undo the disabling of warnings. 2019-03-25 Jason Merrill PR c++/87748 - substitution failure error with decltype. * pt.c (most_specialized_partial_spec): Clear processing_template_decl. 2019-03-25 Marek Polacek PR c++/89214 - ICE when initializing aggregates with bases. * typeck2.c (digest_init_r): Warn about object slicing instead of crashing. PR c++/89705 - ICE with reference binding with conversion function. * call.c (reference_binding): If the result of the conversion function is a prvalue of non-class type, use the cv-unqualified type. 2019-03-25 Nathan Sidwell * lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group. 2019-03-22 Jakub Jelinek PR c++/60702 * cp-tree.h (get_tls_wrapper_fn): Remove declaration. (maybe_get_tls_wrapper_call): Declare. * decl2.c (get_tls_wrapper_fn): Make static. (maybe_get_tls_wrapper_call): New function. * typeck.c (build_class_member_access_expr): Handle accesses to TLS variables. * semantics.c (finish_qualified_id_expr): Likewise. (finish_id_expression_1): Use maybe_get_tls_wrapper_call. * pt.c (tsubst_copy_and_build): Likewise. PR c++/87481 * constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member. (cxx_eval_constant_expression): When not skipping, not constant class or location wrapper, increment *ctx->constexpr_ops_count and if it is above constexpr_loop_nest_limit, diagnose failure. (cxx_eval_outermost_constant_expr): Add constexpr_ops_count and initialize ctx.constexpr_ops_count to its address. (is_sub_constant_expr): Likewise. 2019-03-21 Jakub Jelinek PR c++/71446 * call.c (filed_in_pset): Change pset from hash_set * to hash_set &, adjust uses accordingly. (build_aggr_conv): Change pset from hash_set * to hash_set. Replace goto fail; with return NULL;, adjust pset uses. PR c++/89767 * parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id variables, check for duplicates in this function. * lambda.c (add_capture): Don't check for duplicates nor use IDENTIFIER_MARKED. (register_capture_members): Don't clear IDENTIFIER_MARKED here. 2019-03-21 Paolo Carlini PR c++/89571 * method.c (after_nsdmi_defaulted_late_checks): Avoid passing error_mark_node to comp_except_specs. 2019-03-20 Jason Merrill PR c++/87480 - decltype of member access in default template arg * pt.c (type_unification_real): Accept a dependent result in template context. 2019-03-19 Martin Sebor PR tree-optimization/89688 * typeck2.c (store_init_value): Call braced_lists_to_string for more kinds of initializers. 2019-03-18 Jason Merrill PR c++/89630 - ICE with dependent using-decl as template arg. * tree.c (cp_tree_equal): Always return false for USING_DECL. PR c++/89761 - ICE with sizeof... in pack expansion. * pt.c (argument_pack_element_is_expansion_p): Handle ARGUMENT_PACK_SELECT. PR c++/89640 - GNU attributes on lambda. * parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes. PR c++/89682 - wrong access error in default argument. * pt.c (tsubst_default_argument): Don't defer access checks. 2019-03-18 Paolo Carlini PR c++/85014 * semantics.c (finish_non_static_data_member): Check return value of context_for_name_lookup and immediately return error_mark_node if isn't a type. 2019-03-17 Jason Merrill PR c++/89571 - ICE with ill-formed noexcept on constructor. * pt.c (maybe_instantiate_noexcept): Only return false if defaulted. (regenerate_decl_from_template): Use it for noexcept-specs. 2019-03-14 Jason Merrill * parser.c (cp_parser_decl_specifier_seq): Support C++20 concept-definition syntax without 'bool'. 2019-03-14 Jakub Jelinek PR c++/89512 * semantics.c (finish_qualified_id_expr): Reject variable templates. PR c++/89652 * constexpr.c (struct constexpr_ctx): Change save_exprs type from hash_set to vec. (cxx_eval_call_expression): Adjust for save_exprs being a vec instead of hash_set. (cxx_eval_loop_expr): Likewise. Truncate the vector after each removal of SAVE_EXPRs from values. (cxx_eval_constant_expression) : Call safe_push method on save_exprs instead of add. 2019-03-13 Jason Merrill PR c++/86521 - C++17 copy elision in initialization by constructor. * call.c (joust_maybe_elide_copy): New. (joust): Call it. 2019-03-13 Marek Polacek PR c++/88979 - further P0634 fix for constructors. * parser.c (cp_parser_decl_specifier_seq): Pass flags to cp_parser_constructor_declarator_p. (cp_parser_direct_declarator): Allow missing typename for constructor parameters. (cp_parser_constructor_declarator_p): Add FLAGS parameter. Pass it to cp_parser_type_specifier. PR c++/89686 - mixing init-capture and simple-capture in lambda. * parser.c (cp_parser_lambda_introducer): Give error when combining init-capture and simple-capture. PR c++/89660 - bogus error with -Wredundant-move. * typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg as the std::move's argument. Don't call convert_for_initialization when warn_redundant_move isn't on. 2019-03-11 Jason Merrill PR c++/86521 - wrong overload resolution with ref-qualifiers. * call.c (build_user_type_conversion_1): Don't use a conversion to a reference of the wrong rvalueness for direct binding. 2019-03-11 Martin Liska * cvt.c (build_expr_type_conversion): Wrap apostrophes in gcc internal format with %'. * decl.c (check_no_redeclaration_friend_default_args): Likewise. (grokfndecl): Likewise. * name-lookup.c (do_pushtag): Likewise. * pt.c (unify_parameter_deduction_failure): Likewise. (unify_template_deduction_failure): Likewise. 2019-03-11 Martin Liska * call.c (convert_arg_to_ellipsis): Wrap an option name in a string format message and fix GNU coding style. (build_over_call): Likewise. * class.c (check_field_decl): Likewise. (layout_nonempty_base_or_field): Likewise. * constexpr.c (cxx_eval_loop_expr): Likewise. * cvt.c (type_promotes_to): Likewise. * decl.c (cxx_init_decl_processing): Likewise. (mark_inline_variable): Likewise. (grokdeclarator): Likewise. * decl2.c (record_mangling): Likewise. * error.c (maybe_warn_cpp0x): Likewise. * except.c (doing_eh): Likewise. * mangle.c (maybe_check_abi_tags): Likewise. * parser.c (cp_parser_diagnose_invalid_type_name): Likewise. (cp_parser_userdef_numeric_literal): Likewise. (cp_parser_primary_expression): Likewise. (cp_parser_unqualified_id): Likewise. (cp_parser_pseudo_destructor_name): Likewise. (cp_parser_builtin_offsetof): Likewise. (cp_parser_lambda_expression): Likewise. (cp_parser_lambda_introducer): Likewise. (cp_parser_lambda_declarator_opt): Likewise. (cp_parser_selection_statement): Likewise. (cp_parser_init_statement): Likewise. (cp_parser_decomposition_declaration): Likewise. (cp_parser_function_specifier_opt): Likewise. (cp_parser_static_assert): Likewise. (cp_parser_simple_type_specifier): Likewise. (cp_parser_namespace_definition): Likewise. (cp_parser_using_declaration): Likewise. (cp_parser_ctor_initializer_opt_and_function_body): Likewise. (cp_parser_initializer_list): Likewise. (cp_parser_type_parameter_key): Likewise. (cp_parser_member_declaration): Likewise. (cp_parser_try_block): Likewise. (cp_parser_std_attribute_spec): Likewise. (cp_parser_requires_clause_opt): Likewise. * pt.c (check_template_variable): Likewise. (check_default_tmpl_args): Likewise. (push_tinst_level_loc): Likewise. (instantiate_pending_templates): Likewise. (invalid_nontype_parm_type_p): Likewise. * repo.c (get_base_filename): Likewise. * rtti.c (typeid_ok_p): Likewise. (build_dynamic_cast_1): Likewise. * tree.c (maybe_warn_parm_abi): Likewise. 2019-03-08 Jakub Jelinek PR other/80058 * parser.c (cp_parser_template_declaration_after_parameters): Avoid one space before " at the end of line and another after " on another line in a string literal. PR tree-optimization/89550 * semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if warning_at returned true. * decl2.c (c_parse_final_cleanups): Likewise. * typeck.c (convert_for_assignment): Likewise. * decl.c (finish_function): Likewise. PR c++/89585 * parser.c (cp_parser_asm_definition): Just warn instead of error on volatile qualifier outside of function body. PR c++/89599 * constexpr.c (potential_constant_expression_1): Reject REINTERPRET_CAST_P NOP_EXPRs. 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.