2017-04-15 Alexandre Oliva * decl.c (name_unnamed_type): Split out of... (grokdeclarator): ... this. * decl.h (name_unnamed_type): Declare. 2017-04-12 Richard Biener Bernd Edlinger PR middle-end/79671 * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE for arrays of character or std::byte type. 2017-04-11 Jason Merrill PR c++/80294 - ICE with constexpr and inheritance. * constexpr.c (reduced_constant_expression_p): A null constructor element is non-constant. (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before returning an empty base. 2017-04-11 Jakub Jelinek PR c++/80370 * decl.c (cp_finish_decomp): If processing_template_decl on non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't change their DECL_VALUE_EXPR nor cp_finish_decl them. Instead make sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst processing. * pt.c (value_dependent_expression_p) : For variables with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type dependent. 2017-04-11 Jakub Jelinek PR c++/80363 * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR. 2017-04-10 Jakub Jelinek PR c++/80176 * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second operand, if it is a static member function, recurse on the BASELINK. 2017-04-10 Marek Polacek PR sanitizer/80348 * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL. Set ORIG_TYPE earlier and not only when shortening. 2017-04-07 Jason Merrill PR c++/80356 - ICE with reference to function template argument. PR c++/79294 * pt.c (convert_nontype_argument_function): Adjust type even with a value-dependent argument. PR c++/80267 - ICE with nested capture of reference PR c++/60992 * pt.c (tsubst_copy): Handle lookup finding a capture proxy. 2017-04-07 Marek Polacek PR sanitizer/80348 * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE. PR c++/80095 * call.c (build_over_call): Don't check cxx_dialect. * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor whether SUB is a CONSTRUCTOR. * init.c (build_new_1): Don't check cxx_dialect. * tree.c (replace_placeholders): Add a function comment. Return if not in C++14, or if the object isn't a (member of a) class. * typeck2.c (store_init_value): Don't check cxx_dialect nor whether TYPE is CLASS_TYPE_P. 2017-04-05 Jakub Jelinek PR c++/80309 * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead of a loop doing vec_safe_push of NULL. Formatting fixes. (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx to newidx before calling canonical_type_parameter on newtype. 2017-04-04 Volker Reichelt PR c++/80296 * cxx-pretty-print.c (cxx_pretty_printer::expression): Add UNARY_PLUS_EXPR case. 2017-04-03 Jason Merrill * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO. 2017-04-03 Jonathan Wakely * class.c (update_vtable_entry_for_fn): Fix typo in comment. * decl2.c (one_static_initialization_or_destruction): Likewise. * name-lookup.c (store_bindings): Likewise. * parser.c (make_call_declarator): Likewise. * pt.c (check_explicit_specialization): Likewise. 2017-04-03 Jason Merrill PR sanitizer/79993 - ICE with VLA initialization from string PR c++/69487 - wrong VLA initialization from string * init.c (finish_length_check): Split out from build_vec_init. (build_vec_init): Handle STRING_CST. * typeck2.c (split_nonconstant_init): Handle STRING_CST. (digest_init_r): Don't give a STRING_CST VLA type. 2017-03-31 Jakub Jelinek PR c++/79572 * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with REFERENCE_TYPE. Adjust ubsan_maybe_instrument_reference caller for NOP_EXPR to REFERENCE_TYPE. PR libstdc++/80251 * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE. * cxx-pretty-print.c (pp_cxx_trait_expression): Handle CPTK_IS_AGGREGATE. * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE. Remove extraneous parens. (finish_trait_expr): Handle CPTK_IS_AGGREGATE. * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE. (cp_parser_trait_expr): Likewise. 2017-03-27 Jakub Jelinek PR middle-end/80162 * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument. * typeck.c (cxx_mark_addressable): Likewise. Look through VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE to ARRAY_TYPE. (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable. 2017-03-24 Jason Merrill PR c++/77339 - ICE with invalid use of alias template. * pt.c (lookup_template_class_1): Don't try to enter the scope of an alias template. 2017-03-24 Marek Polacek PR c++/80119 * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression doesn't have side effects. 2017-03-23 Jason Merrill PR c++/80150 - ICE with overloaded variadic deduction. * pt.c (try_one_overload): Remove asserts. PR c++/77563 - missing ambiguous conversion error. * call.c (convert_like_real): Use LOOKUP_IMPLICIT. 2017-03-23 Marek Polacek * cp-tree.h: Remove a C_RID_YYCODE reference. 2017-03-22 Jakub Jelinek PR c++/80141 * semantics.c (finish_omp_clause) : Call maybe_constant_value only when not processing_template_decl. 2017-03-21 Paolo Carlini PR c++/77752 * name-lookup.c (pushtag_1): Add check for bogus, non template, std::initializer_list. 2017-03-21 Jakub Jelinek PR c++/35878 * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes. 2017-03-21 Ville Voutilainen PR c++/35878 * init.c (std_placement_new_fn_p): New. (build_new_1): Call it. 2017-03-20 Jason Merrill PR c++/80096 - ICE with C++17 non-type auto. * pt.c (tsubst): Delay tsubst of type of template non-type parameter. PR c++/79519 - ICE with deleted template friend. * decl.c (grokdeclarator): Complain about misplaced function definition using =, as well. PR c++/79640 - infinite recursion with generic lambda. * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation before substituting its initializer. 2017-03-20 Marek Polacek Paolo Carlini PR c++/80059 - ICE with noexcept and __transaction_atomic * except.c (build_must_not_throw_expr): Call instantiate_non_dependent_expr. 2017-03-19 Jason Merrill PR c++/80084 - wrong C++17 decomposition by reference of parameter. * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a reference decomposition. PR c++/80077 - error with constexpr and -fno-elide-constructors. * constexpr.c (cxx_eval_call_expression): Set ctx->call while expanding trivial constructor. 2017-03-17 Jason Merrill PR c++/78345 - ICE initializing array from lambda. * init.c (build_aggr_init): Check array initializer. (build_vec_init): Check the type of a CONSTRUCTOR. PR c++/80073 - C++17 ICE with virtual base. * decl.c (xref_basetypes): Also check for indirect vbases. 2017-03-16 Jason Merrill * decl.c (start_enum): std::byte aliases anything. PR c++/79797 * constexpr.c (lookup_placeholder): Tweak. 2017-03-15 Jason Merrill PR c++/80043 - ICE with -fpermissive * typeck.c (convert_for_assignment): Handle instantiate_type not giving an error. 2017-03-14 Nathan Sidwell PR c++/79393 DR 1658 workaround * method.c (synthesized_method_base_walk): Inihibit abstract class virtual base access check here. (synthesized_method_walk): Not here. 2017-03-13 Nathan Sidwell PR c++/79393 DR 1658 workaround * method.c (synthesized_method_walk): Check vbases of abstract classes for dtor walk. 2017-03-10 David Malcolm PR translation/79848 * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs". 2017-03-10 Jason Merrill PR c++/79960 - alias templates and partial ordering * pt.c (comp_template_args): Add partial_order parm. (template_args_equal): Likewise. (comp_template_args_porder): New. (get_partial_spec_bindings): Use it. 2017-03-10 Marek Polacek PR c++/79967 * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it. 2017-03-10 Jakub Jelinek PR c++/79899 * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL. Use XALLOCAVEC macro. PR c++/79896 * decl.c (finish_enum_value_list): If value is error_mark_node, don't copy it and change its type. * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL of CONST_DECL is error_mark_node. 2017-03-09 Marek Polacek PR c++/79900 - ICE in strip_typedefs * tree.c (strip_typedefs): Skip the attribute handling if T is a variant type which hasn't been updated yet. PR c++/79687 - wrong code with pointer-to-member * init.c (constant_value_1): Break if the variable has a dynamic initializer. 2017-03-08 Jason Merrill PR c++/79797 - ICE with self-reference in array DMI. * constexpr.c (lookup_placeholder): Split out... (cxx_eval_constant_expression): ...from here. 2017-03-07 Jakub Jelinek PR c/79834 * parser.c (cp_parser_omp_cancellation_point, cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data, cp_parser_omp_target_update): Change "may only be used in compound statements" diagnostics, such that the same translatable string is used for all pragmas. (cp_parser_pragma): Likewise. Use error_at instead of cp_parser_error for that diagnostics. 2017-03-06 Marek Polacek PR c++/79796 - ICE with NSDMI and this pointer * call.c (build_over_call): Handle NSDMI with a 'this' by calling replace_placeholders. 2017-03-06 Jakub Jelinek PR c++/79822 * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like ({ (void) 0; }). 2017-03-06 Jason Merrill Revert "Allow deduction guides to look into primary template." * cp-tree.h, parser.c, pt.c, search.c: Revert. 2017-03-05 Paolo Carlini PR c++/70266 * except.c (build_must_not_throw_expr): Perform the implicit conversions on the condition. 2017-03-03 Jason Merrill * mangle.c (mangle_decl): Check -Wnoexcept-type instead of -Wc++1z-compat. Core issues 2273 and 2277 * call.c (joust): Adjust using-declaration tiebreaker to handle the intermediate base case. * method.c (strip_inheriting_ctors): Just return the argument if !flag_new_inheriting_ctors. 2017-03-03 Richard Biener PR c++/79825 * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR. 2017-03-03 Marek Polacek PR c++/79791 * typeck.c (string_conv_p): In C++11, always call pedwarn with OPT_Wwrite_strings. 2017-03-02 Jason Merrill Update overload resolution with deduction guides. * pt.c (do_class_deduction): Always build the copy guide. (copy_guide_p, template_guide_p): New. (build_deduction_guide): Remember the original constructor. * call.c (joust): Prefer the copy guide and non-template guides. Allow deduction guides to look into primary template. * cp-tree.h (struct saved_scope): Add deduction_guide_type. (struct cp_decl_specifier_seq): Add constructor_p. * parser.c (cp_parser_decl_specifier_seq): Set constructor_p. (cp_parser_init_declarator): Check it. Set ctor_dtor_or_conv_p. Clear deduction_guide_type. Don't handle deduction guide names. (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p. (cp_parser_direct_declarator): Likewise. Handle deduction guides. (cp_parser_member_declaration, cp_parser_cache_defarg) (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p. * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change. (build_deduction_guide): Set deduction_guide_type. (dependent_scope_p): Check deduction_guide_type. * search.c (lookup_member): Likewise. 2017-03-02 Jakub Jelinek PR c++/79782 * init.c (mark_exp_read_r): New function. (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on whole arguments instead of plain mark_exp_read on TREE_LIST values. 2017-03-01 Jason Merrill Class template argument deduction in new-expression * init.c (build_new): Handle deduction from no initializer. * parser.c (cp_parser_new_expression): Don't require a single expression for class template deduction. * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for class template placeholder. * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context. (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF. (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS. 2017-03-01 Jakub Jelinek PR c++/79746 * init.c (emit_mem_initializers): When not constructing vbases of abstract classes, mark arguments as read for -Wunused-but-set-parameter. 2017-02-28 Jason Merrill Class template argument deduction refinements * call.c (joust): Move deduction guide tiebreaker down. * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class deduction with no initializer. * pt.c (build_deduction_guide): Handle implicit default/copy ctor. (do_class_deduction): Use that rather than special case. (do_auto_deduction): Handle null initializer. 2017-02-28 Jakub Jelinek * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...") instead of just cond ? "..." : "...". (grokdeclarator): Likewise. (build_enumerator): Likewise. * init.c (build_new_1): Likewise. * call.c (build_new_method_call_1): Likewise. * parser.c: Include intl.h. (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for "enter"/"exit" keyword. (cp_finalize_oacc_routine): Don't use %s to supply portions of the message. 2017-02-27 Jason Merrill PR c++/71568 - SFINAE forming pointer to member function * init.c (build_offset_ref): Check the return value of perform_or_defer_access_check. 2017-02-27 Marek Polacek * decl.c (expand_static_init): Add missing } in a comment. 2017-02-27 Volker Reichelt * init.c: Include intl.h. (build_new_1): Move message strings into pedwarn to make them -Wformat-security friendly. Mark string for translation. * pt.c (tsubst_copy_and_build): Mark string for translation. Make the pointer const. * semantics.c (finish_id_expression): Mark strings for translation. 2017-02-25 Jakub Jelinek * call.c (build_op_delete_call): Make msg1 and msg2 const. 2017-02-24 Jakub Jelinek PR c++/79588 * call.c (build_over_call): Call check_function_arguments even for -Wrestrict, adjust check_function_arguments caller. * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict here. * typeck.c (cp_build_function_call_vec): Adjust check_function_arguments caller. 2017-02-24 Marek Polacek PR translation/79705 * decl.c (check_redeclaration_exception_specification): Mark a string for translation. Make the pointer const. 2017-02-23 Paolo Carlini PR c++/79361 * pt.c (register_specialization): Check duplicate_decls return value for error_mark_node and pass it back. 2017-02-22 Jason Merrill PR c++/79679 - missing destructor for argument * call.c (build_over_call): Don't pass tf_no_cleanup to argument conversions. * pt.c (do_class_deduction): Handle 0 argument case. 2017-02-22 Jakub Jelinek PR c++/79664 * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree. * constexpr.c (potential_constant_expression_1): Handle OMP_*, OACC_* and CILK_* trees. Use error_at with EXPR_LOC_OR_LOC (t, input_location) computed early instead of error, or error_at with location_of (t). 2017-02-22 Marek Polacek PR c++/79653 * parser.c (cp_parser_std_attribute_spec): Don't build the attribute if the alignas expression is erroneous. * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return error_mark_node. PR c++/79657 * semantics.c (finish_underlying_type): Bail out for incomplete enums. 2017-02-21 Jason Merrill PR c++/50308 - wrong deprecated warning with ADL PR c++/17729 - duplicate deprecated warning * semantics.c (finish_id_expression): Only call mark_used on a function if we aren't building a call. PR c++/41727 - ICE with partial spec of partial instantiation * pt.c (process_partial_specialization): For now, don't check more specialized if there is more than one level of args. 2017-02-21 Marek Polacek PR c++/79535 * cp-tree.h (maybe_reject_flexarray_init): Declare. * init.c (maybe_reject_flexarray_init): No longer static. Add check for current_function_decl. * parser.c (cp_parser_late_parse_one_default_arg): Reject a default mem-initializer for a flexible array. 2017-02-21 Jakub Jelinek Paolo Carlini PR c++/79654 * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node on error. * pt.c (tsubst_decomp_names): Return error_mark_node if the first decl after the decomposition artificial decl has error_mark_node. * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p instead of just == error_mark_node comparison. 2017-02-21 Jakub Jelinek PR sanitizer/79589 * decl.c: Include gimplify.h. (cp_finish_decomp): Make sure there is no sharing of trees in between DECL_VALUE_EXPR of decomposition decls. PR c++/79655 * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript. PR c++/79639 * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST, call cplus_expand_constant on it first. 2017-02-19 Jason Merrill PR c++/78139 - destructor needed by new-expression * call.c (build_special_member_call): Use tf_no_cleanup. PR c++/78282 - auto template and pack expansion * pt.c (find_parameter_packs_r): Don't walk into the type of templates other than template template-parameters. PR c++/79606 - ICE with this->base_member in NSDMI * class.c (build_base_path): Check processing_template_decl. PR c++/79607 - ICE with T{} initializer * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR. PR c++/79566 - elaborated-type-specifier in range for * parser.c (cp_parser_simple_declaration): Fix check for type definition. PR c++/79400 - confusing suggestion of 'noexcept' * parser.c (cp_parser_exception_specification_opt): Remove suggestion for deprecated dynamic exception-specification. PR c++/79470 - partial ordering with reference parameters * pt.c (unify) [INDIRECT_REF]: Handle pack expansions. PR c++/79500 - ICE with non-template deduction guide * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than DECL_TEMPLATE_RESULT. PR c++/79580 - ICE with compound literal * parser.c (cp_parser_class_head): If we're in the middle of an expression, use ts_within_enclosing_non_class. PR c++/79503 - inherited ctor taking base class * call.c (add_function_candidate): Also check that DECL_INHERITED_CTOR_BASE is reference-related to the parameter type. 2017-02-19 Paolo Carlini PR c++/79380 * typeck.c (cxx_alignas_expr): Reject a non-integral alignas argument. 2017-02-19 Eric Fiselier Jonathan Wakely PR c++/69523 * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to control warning about literal suffix identifiers without a leading underscore. 2017-02-17 Jason Merrill PR c++/79508 - lookup error with member template * parser.c (cp_parser_template_name): Clear parser->context->object_type if we aren't doing lookup. PR c++/78690 - ICE with using and global type with same name * pt.c (type_dependent_object_expression_p): True for IDENTIFIER_NODE. PR c++/79549 - C++17 ICE with non-type auto template parameter pack * pt.c (convert_template_argument): Just return an auto arg pack. (tsubst_template_args): Don't tsubst an auto pack type. PR c++/79556 - C++17 ICE with non-type auto * pt.c (do_auto_deduction): Don't try to deduce from null type. PR c++/79533 - C++17 ICE with temporary cast to reference * call.c (build_over_call): Conversion to a reference prevents copy elision. 2017-02-16 Jakub Jelinek Jason Merrill PR c++/79502 - lost nodiscard attribute * pt.c (apply_late_template_attributes): Do apply non-dependent attributes to types. 2017-02-16 Jason Merrill PR c++/78572 - ICE with self-modifying array initializer * constexpr.c (cxx_eval_store_expression): The object we're initializing is outside the constant-expression. (cxx_eval_call_expression): Set ctx->call. PR c++/79050 - ICE with undeduced auto and LTO * decl.c (poplevel): Remove undeduced auto decls. 2017-02-16 Jakub Jelinek PR c++/79512 * parser.c (cp_parser_omp_target): For -fopenmp-simd ignore #pragma omp target even when not followed by identifier. 2017-02-15 Jason Merrill Jakub Jelinek PR c++/79464 - ICE in IPA with omitted constructor parms * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES. (adjust_clone_args): Adjust. (add_method): Remember omitted parms. * call.c (add_function_candidate): Likewise. * mangle.c (write_method_parms): Likewise. * method.c (ctor_omit_inherited_parms): Return false if there are no parms to omit. 2017-02-15 Martin Sebor PR c++/79363 * init.c (maybe_reject_flexarray_init): New function. (perform_member_init): Call it. 2017-02-15 Jakub Jelinek PR c++/79301 * parser.c (cp_parser_std_attribute): Don't pedwarn about [[deprecated]] with -std=c++11 and [[fallthrough]] with -std=c++11 and -std=c++14. PR c++/79288 * decl.c (grokdeclarator): For static data members, handle thread_p only after handling inline. 2017-02-14 Marek Polacek PR c++/79420 PR c++/79463 * parser.c (cp_parser_postfix_dot_deref_expression): Avoid clobbering if the postfix expression isn't an EXPR_P. 2017-02-13 Jason Merrill PR c++/79461 - ICE with lambda in constexpr constructor * constexpr.c (build_data_member_initialization): Ignore initialization of a local variable. 2017-02-13 Jakub Jelinek * init.c (warn_placement_new_too_small): Add missing space in diagnostics. * parser.c (cp_parser_oacc_declare): Likewise. * mangle.c (maybe_check_abi_tags): Likewise. PR c++/79232 * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR in the rightmost operand. 2017-02-13 Nathan Sidwell PR c++/79296 - ICE mangling localized template instantiation * decl2.c (determine_visibility): Use template fn context for local class instantiations. 2017-02-11 Jason Merrill PR c++/77659 - ICE with new and C++14 aggregate NSDMI * init.c (build_new): Make backups of any CONSTRUCTORs in init. (build_new_1): Use replace_placeholders. * tree.c (replace_placeholders_t): Also track whether we've seen a placeholder. (replace_placeholders, replace_placeholders_r): Adjust. * cp-tree.h: Adjust. PR c++/77790 - ICE with auto function in C++11 mode * decl.c (undeduced_auto_decl): Remove C++14 limitation. (require_deduced_type): Add complain parm, return bool. * cp-tree.h: Adjust. * decl2.c (mark_used): Use require_deduced_type. 2017-02-10 Jason Merrill PR c++/78908 - template ops and bitfields * tree.c (build_min_non_dep): Use unlowered_expr_type. PR c++/78897 - constexpr union * constexpr.c (cxx_eval_store_expression): A store to a union member erases a previous store to another member. PR c++/71285 - member of fold-expression * semantics.c (finish_unary_fold_expr) (finish_binary_fold_expr): Use null type for fold-expressions. PR c++/79401 - protected inherited constructor * call.c (enforce_access): For inheriting constructor, find a base binfo in the path we already have. 2017-02-10 Marek Polacek PR c++/79435 * pt.c (type_dependent_expression_p): Check if the expression type is null. PR c++/79184 * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context if warnings shouldn't be given. 2017-02-10 Paolo Carlini PR c++/71737 * pt.c (tsubst_decl): Don't try to preserve a typedef that names an error_mark_node as type. 2017-02-09 Jakub Jelinek Jason Merrill PR c++/79143 * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE from pattern to type. 2017-02-09 Jason Merrill PR c++/79316 - default argument in deduction guide PR c++/79350 - explicit deduction guide * parser.c (cp_parser_constructor_declarator_p) (cp_parser_direct_declarator): Parse deduction guides more like constructors. * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide. * tree.c (special_function_p): Return it. * decl.c (check_special_function_return_type): Handle it. (grokdeclarator, grokfndecl): Adjust. (cp_finish_decl): Pass flags to do_auto_deduction. * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME. * pt.c (dguide_name_p): Take a const_tree. (do_class_deduction): Handle explicit. (do_auto_deduction): Pass flags through. (build_deduction_guide): Copy explicit flag. 2017-02-09 Jakub Jelinek PR c++/79429 * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt non-pragma_compound context here. (cp_parser_omp_target): Likewise. (cp_parser_pragma): Don't call push_omp_privatization_clauses and parsing for ordered and target omp pragmas in non-pragma_stmt non-pragma_compound contexts. PR c/79431 * parser.c (cp_parser_oacc_declare): Formatting fix. (cp_parser_omp_declare_target): Don't invoke symtab_node::get on automatic variables. 2016-02-09 Nathan Sidwell Chung-Lin Tang * parser.c (cp_parser_oacc_clause_tile): Disallow collapse. Fix parsing. Parse constant expression. Remove semantic checking. (cp_parser_omp_clause_collapse): Disallow tile. (cp_parser_omp_for_loop): Deal with tile clause. Don't emit a parse error about missing for after already emitting one. Use more conventional for idiom for unbounded loop. * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE. * semantics.c (finish_omp_clauses): Correct TILE semantic check. (finish_omp_for): Deal with tile clause. 2017-02-07 Nathan Sidwell * method.c (synthesized_method_base_walk): New. Broken out of ... (synthesized_method_walk): ... here. Call it. Cleanup initializations. 2017-02-07 Patrick Palka PR c++/79360 * typeck2.c (process_init_constructor_union): Consider only FIELD_DECLs when looking for an NSDMI. 2017-02-06 Jason Merrill PR c++/71193 - incomplete types in templates * parser.c (cp_parser_postfix_dot_deref_expression): In a template handle incomplete type by pedwarning and then treating as dependent. 2017-02-06 Jakub Jelinek PR c++/79379 * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR. (potential_constant_expression_1): Likewise. PR c++/79377 * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR allow one fewer than expected arguments if flag_permissive. PR c++/79372 * decl.c (cp_finish_decomp): On error set decl type to error_mark_node. * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions with error_mark_node type. 2017-02-03 Jason Merrill PR c++/78689 - ICE on constructor with label * optimize.c (maybe_clone_body): Replace omitted parameters with null lvalues. * class.c (build_clone): Fix logic for omitting inherited parms. PR c++/12245 - excessive memory use * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1 back in. Don't cache constants. (maybe_constant_init): Don't cache constants. PR c++/79294 - ICE with invalid template argument * pt.c (convert_nontype_argument_function): Check value-dependence. (convert_nontype_argument): Don't check it here for function ptrs. 2017-02-02 Richard Biener PR cp/14179 * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy it lazily on the first changed element only and copy it fully upfront, only storing changed elements. 2017-02-02 Paolo Carlini PR c++/69637 * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL to the width. 2017-01-31 Jakub Jelinek PR c++/79304 * error.c (dump_expr) : Don't print . after ARROW_EXPR. 2017-01-31 David Malcolm PR c++/79298 * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve any namespace aliases. 2017-01-31 Nathan Sidwell PR c++/79290 * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING. PR c++/67273 PR c++/79253 * pt.c: (instantiate_decl): Push to top level when current function scope doesn't match. Only push lmabda scope stack when pushing to top. * cp-tree.h (instantiate_decl): Make defer_ok bool. * pt.c: Fix instantiate_decl calls to pass true/false not 0/1 (instantiate_decl): Simplify and reorder state saving and restoration. PR c++/79264 * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs. * semantics.c (finish_member_declaration): Assert class is being defined. 2017-01-30 Alexandre Oliva Introduce C++ support in libcc1. * cp-tree.h (struct lang_identifier): Add oracle_looked_up. (ansi_opname): Rename to... (cp_operator_id): ... this. Adjust all callers. (ansi_assopname): Rename to... (cp_assignment_operator_id): ... this. Adjust all callers. (cp_literal_operator_id): Declare. (set_global_friend): Declare. (is_global_friend): Declare. (enum cp_oracle_request): New type. (cp_binding_oracle_function): New type. (cp_binding_oracle): Declare. (cp_finish_injected_record_type): Declare. * friend.c (global_friend): New var. (set_global_friend): New fn. (is_global_friend): New fn. (is_friend): Call is_global_friend. * name-lookup.c (cp_binding_oracle): New var. (query_oracle): New fn. (qualified_lookup_using_namespace): Call query_oracle. (lookup_name_real_1): Likewise. * parser.c (cp_literal_operator_id): Drop static. * search.c (friend_accessible_p): Call is_global_friend. * semantics.c (is_this_parameter): Accept a variable if the binding oracle is enabled. 2017-01-27 Jason Merrill PR c++/78771 - ICE with inherited constructor. * call.c (build_over_call): Call deduce_inheriting_ctor here. * pt.c (tsubst_decl): Not here. * class.c (add_method): Or here. * method.c (deduce_inheriting_ctor): Handle clones. (implicitly_declare_fn): Don't deduce inheriting ctors yet. 2017-01-27 Adam Butcher PR c++/64382 * cp/parser.c (parsing_default_capturing_generic_lambda_in_template): New function. * cp/cp-tree.h: Declare it. * cp/semantics.c (finish_id_expression): Resolve names within a default capturing generic lambda defined within a template prior to instantiation to allow for captures to be added to the closure type. 2017-01-26 Jakub Jelinek PR c++/68727 * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2. * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument. * parser.c (cp_parser_builtin_offsetof): Pass result of build_static_cast of null_pointer_node to finish_offsetof. * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use it for -Winvalid-offsetof pedwarn instead of trying to guess original offsetof type from EXPR. Save OBJECT_PTR as a new second operand to OFFSETOF_EXPR. * pt.c (tsubst_copy_and_build) : Adjust finish_offsetof caller, pass the second operand of OFFSETOF_EXPR as OBJECT_PTR. 2017-01-26 Jason Merrill * name-lookup.c (parse_using_directive): Deprecate strong using. PR c++/79176 - lambda ICE with -flto -Os * decl2.c (vague_linkage_p): Handle decloned 'tors. * tree.c (decl_linkage): Likewise. 2017-01-25 Martin Sebor * decl.c (grokdeclarator): Fix a typo in a comment. 2017-01-25 Jakub Jelinek PR c++/78896 * decl.c (cp_finish_decomp): Disallow memberwise decomposition of lambda expressions. PR c++/77914 * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with OPT_Wpedantic on lambda templates for -std=c++14 and higher. 2017-01-25 Maxim Ostapenko PR lto/79061 * decl.c (cxx_init_decl_processing): Pass main_input_filename to build_translation_unit_decl. 2017-01-24 Jakub Jelinek PR c++/79205 * cp-gimplify.c (cp_genericize_r): Add result of convert_from_reference on invisiref parm to p_set. 2017-01-24 Nathan Sidwell PR c++/78469 - defaulted ctor and inaccessible dtor * cp-tree.h (tsubst_flags): Add tf_no_cleanup. * init.c (build_new_1): Pass tf_no_cleanup to build_value_init. * tree.c (build_target_expr): Check tf_no_cleanup. PR c++/79118 - anon-members and constexpr * constexpr.c (cx_check_missing_mem_inits): Caller passes type not ctor decl. Recursively check anonymous members. (register_constexpr_fundef): Adjust cx_check_missing_mem_inits call. (explain_invalid_constexpr_fn): Likewise. 2017-01-23 Nathan Sidwell PR c++/71710 - template using directive of field * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL check earlier. PR c++/71406 - ICE with scope-ref'd template id exprs PR c++/77508 * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF before breaking up TEMPLATE_ID_EXPR. 2017-01-20 Nathan Sidwell PR c++/78495 - wrong code inherited ctor and invisi-ref parm * cp-gimplify.c (cp_generize_r): Don't skip thunks. 2017-01-20 David Malcolm PR c++/77829 PR c++/78656 * cp-tree.h (suggest_alternatives_for): Add bool param. (suggest_alternative_in_explicit_scope): New decl. * error.c (qualified_name_lookup_error): When SCOPE is a namespace that isn't the global one, call new function suggest_alternative_in_explicit_scope, only calling suggest_alternatives_for if it fails, and disabling near match searches fort that case. When SCOPE is the global namespace, pass true for new param to suggest_alternatives_for to allow for fuzzy name lookups. * lex.c (unqualified_name_lookup_error): Pass true for new param to suggest_alternatives_for. * name-lookup.c (consider_binding_level): Add forward decl. (suggest_alternatives_for): Add "suggest_misspellings" param, using it to conditionalize the fuzzy name-lookup code. (suggest_alternative_in_explicit_scope): New function. * parser.c (cp_parser_primary_expression): When calling finish_id_expression, pass location of id_expression rather than that of id_expr_token. (cp_parser_id_expression): Convert local "unqualified_id" from tree to cp_expr to avoid implicitly dropping location information. 2017-01-20 Marek Polacek PR c/64279 * call.c (build_conditional_expr_1): Warn about duplicated branches. * semantics.c (finish_expr_stmt): Build statement using the proper location. 2017-01-19 Jason Merrill US 20 - forwarding references and class template argument deduction * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New. * pt.c (push_template_decl_real): Set it. (maybe_adjust_types_for_deduction): Check it. (rewrite_template_parm): Copy it. US 19 - deduction guides and constructors * call.c (joust): Prefer deduction guides to constructors. * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL. (deduction_guide_p): Check DECL_P. * decl.c (check_initializer): Always use build_aggr_init for array decomposition. PR c++/79130 - decomposition and direct-initialization * init.c (build_aggr_init): Communicate direct-initialization to build_vec_init. (build_vec_init): Check for array copy sooner. * parser.c (cp_parser_decomposition_declaration): Remove call to build_x_compound_expr_from_list. 2017-01-18 Jason Merrill PR c++/68666 - member variable template-id * typeck.c (finish_class_member_access_expr): Handle variable template-id. * pt.c (lookup_and_finish_template_variable): No longer static. * cp-tree.h: Declare it. 2017-01-18 Nathan Sidwell PR c++/78488 * call.c (build_over_call): When checking ellipsis conversions for an inherited ctor, make sure there is at least one conversion. 2017-01-18 Jason Merrill PR c++/78894 - ICE with class deduction and default arg * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE. 2017-01-18 Markus Trippelsdorf PR c++/77489 * mangle.c (write_discriminator): Reorganize abi warning check. 2017-01-18 Nathan Sidwell * cp-tree.h: Clarify exception spec node comment. * except.c (nothrow_spec_p): Simplify by checking node-equality. PR c++/79091 * mangle.c (write_exception_spec): Check nothrow explicitly. (write_encoding): Don't increment processing_template_decl around encoding. 2017-01-18 Markus Trippelsdorf PR c++/70182 * mangle.c (write_template_args): Add "on" for operator names. 2017-01-18 Markus Trippelsdorf PR c++/77489 * mangle.c (write_discriminator): Handle discriminator >= 10. 2017-01-17 Nathan Sidwell PR c++/61636 * cp-tree.h (maybe_generic_this_capture): Declare. * lambda.c (resolvable_dummy_lambda): New, broken out of ... (maybe_resolve_dummy): ... here. Call it. (maybe_generic_this_capture): New. * parser.c (cp_parser_postfix_expression): Speculatively capture this in generic lambda in unresolved member function call. * pt.c (tsubst_copy_and_build): Force hard error from failed member function lookup in generic lambda. 2017-01-17 Aldy Hernandez PR c++/70565 * cp-array-notation.c (expand_array_notation_exprs): Handle OMP_PARALLEL. 2017-01-11 Jason Merrill PR c++/78337 - ICE on invalid with generic lambda * semantics.c (process_outer_var_ref): Check if containing_function is null. Move inform call under complain test. 2017-01-11 Nathan Sidwell PR c++/77812 * name-lookup.c (set_namespace_binding_1): An overload of 1 decl is a new overload. 2017-01-11 Nathan Sidwell * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation. 2017-01-11 Jakub Jelinek PR c++/78341 * parser.c (cp_parser_std_attribute_spec): Remove over-eager assertion. Formatting fix. PR c++/72813 * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after writing PCH file. 2017-01-10 David Malcolm PR c++/77949 * parser.c (cp_parser_class_specifier_1): Only suggest inserting a missing semicolon if we have a valid insertion location for the fix-it hint. 2017-01-10 Jason Merrill FI 20, decomposition declaration with parenthesized initializer. * parser.c (cp_parser_decomposition_declaration): Use cp_parser_initializer. 2017-01-09 Jason Merrill Implement P0195R2, C++17 variadic using. * parser.c (cp_parser_using_declaration): Handle ellipsis and comma. * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE. * error.c (dump_decl): Likewise. 2017-01-09 Jakub Jelinek PR translation/79019 PR translation/79020 * semantics.c (finish_omp_clauses): Add missing whitespace to translatable strings. * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo. 2017-01-07 Jason Merrill PR c++/78948 - instantiation from discarded statement * parser.h (struct cp_parser): Remove in_discarded_stmt field. * cp-tree.h (in_discarded_stmt): Declare it. (struct saved_scope): Add discarded_stmt bitfield. (in_discarded_stmt): New macro. * decl2.c (mark_used): Check it. * parser.c (cp_parser_selection_statement): Adjust. (cp_parser_jump_statement): Adjust. 2017-01-05 Jakub Jelinek PR c++/78931 * decl.c (cp_finish_decomp): Remove probe variable, if tt is REFERENCE_REF_P, set tt to its operand. PR c++/78890 * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in unions even for C++11 and later. 2017-01-05 Nathan Sidwell PR c++/78765 * pt.c (convert_nontype_argument): Don't try and see if integral or enum expressions are constants prematurely. 2017-01-04 Marek Polacek PR c++/64767 * typeck.c (cp_build_binary_op): Warn when a pointer is compared with a zero character literal. 2017-01-04 Jakub Jelinek PR c++/78949 * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has vector type. PR c++/78693 * parser.c (cp_parser_simple_declaration): Only complain about inconsistent auto deduction if auto_result doesn't use auto. * parser.c (cp_parser_simple_declaration): Diagnose function declaration among more than one init-declarators with auto specifier. PR c++/71182 * parser.c (cp_lexer_previous_token): Use vec_safe_address in the assertion, as lexer->buffer may be NULL. 2017-01-04 Marek Polacek PR c++/77545 PR c++/77284 * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT. 2017-01-04 Nathan Sidwell PR c++/66735 * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New. (lambda_capture_field_type): Update prototype. * lambda.c (lambda_capture_field_type): Add is_reference parm. Add referenceness here. (add_capture): Adjust lambda_capture_field_type call, refactor error checking. * pt.c (tsubst): Adjust lambda_capture_field_type call. 2017-01-01 Jakub Jelinek Update copyright years. Copyright (C) 2017 Free Software Foundation, Inc. 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