2016-06-03 Release Manager * GCC 5.4.0 released. 2016-05-23 Richard Biener Backport from mainline 2016-03-23 Patrick Palka PR c++/70347 * typeck.c (process_init_constructor_union): If the initializer is empty, use the union's NSDMI if it has one. 2016-05-20 Paolo Carlini PR c++/70466 * call.c (convert_like_real): Check that we are actually converting from an init list. 2016-05-18 Jason Merrill PR c++/70505 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR unknown_type_node, too. PR c++/70494 * decl.c (cxx_maybe_build_cleanup): Handle non-decls. * typeck2.c (split_nonconstant_init_1): Use it. PR c++/70648 * constexpr.c (cxx_eval_store_expression): Also copy CONSTRUCTOR_NO_IMPLICIT_ZERO. PR c++/70353 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics in constexpr functions. PR c++/70095 * pt.c (instantiate_decl): Fix call to variable_template_p. 2016-05-18 Jason Merrill Jakub Jelinek PR c++/70135 * constexpr.c (struct constexpr_ctx): Add save_exprs field. (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping. (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set. (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize. 2016-05-18 Jason Merrill * method.c (synthesized_method_walk): operator= can also be constexpr. 2016-05-03 Paolo Carlini PR c++/70635 * pt.c (resolve_typename_type): Fix typos in infinite recursion avoidance mechanism. 2016-04-18 Marek Polacek Backport from mainline 2016-03-31 Marek Polacek PR c/70297 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN. 2016-04-18 Marek Polacek Backport from mainline 2015-11-11 Jason Merrill * decl.c (duplicate_decls): When combining typedefs, remove the new type from the variants list. 2016-04-15 Jason Merrill * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get LAMBDA_EXPR_RETURN_TYPE from the instantiated closure. PR c++/67164 * pt.c (copy_template_args): New. (tsubst_pack_expansion): Use it. 2016-04-13 Alan Modra Backport from mainline 2016-03-22 Patrick Palka PR target/70107 PR c++/70096 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl. 2016-04-06 Richard Biener Backport from mainline 2016-03-31 Richard Biener PR c++/70430 * typeck.c (cp_build_binary_op): Fix operand order of vector conditional in truth op handling. 2016-03-31 Nathan Sidwell PR c++/70393 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR elements in field order. 2016-03-30 Jakub Jelinek Backported from mainline 2016-03-17 Jakub Jelinek PR c++/70272 * decl.c (begin_destructor_body): Don't insert clobber if is_empty_class (current_class_type). 2016-02-19 Jakub Jelinek PR c++/67767 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume attr_spec is always single element chain, chain all the attributes properly together in the right order. 2016-03-21 Marek Polacek Backported from mainline 2016-03-15 Marek Polacek PR c++/70209 * tree.c (strip_typedefs): Call strip_typedefs again on the DECL_ORIGINAL_TYPE result. 2016-03-18 Jason Merrill PR c++/70139 * constexpr.c (cxx_eval_call_expression): Don't shortcut trivial copy. 2016-03-05 Jason Merrill PR c++/67364 * constexpr.c (cxx_eval_store_expression): Replace CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too. 2016-03-04 Jason Merrill PR c++/67364 * constexpr.c (cxx_eval_component_reference): Further tweak. PR c++/70067 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the same type. 2016-03-03 Jason Merrill * call.c (build_aggr_conv): Use get_nsdmi. PR c++/51406 * typeck.c (build_static_cast_1): Avoid folding back to lvalue. PR c++/67364 * constexpr.c (cxx_eval_component_reference): Just return an empty CONSTRUCTOR for an empty class. 2016-03-01 Paolo Carlini * call.c (build_op_delete_call, build_over_call): Check mark_used return value. * class.c (resolve_address_of_overloaded_function): Likewise. * decl.c (cxx_maybe_build_cleanup): Likewise. * pt.c (gen_elem_of_pack_expansion_instantiation, tsubst_baselink, tsubst_qualified_id, tsubst_copy, tsubst_copy_and_build): Likewise. * rtti.c (build_dynamic_cast_1): Likewise. * semantics.c (process_outer_var_ref): Likewise. * typeck.c (build_class_member_access_expr, cp_build_function_call_vec, cp_build_addr_expr_1): Likewise. 2016-03-01 Jason Merrill PR c++/69261 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR. 2016-03-01 Markus Trippelsdorf Paolo Carlini PR c++/68087 * constexpr.c (cxx_eval_array_reference): Use tree_fits_shwi_p before tree_to_shwi to avoid ICEs. 2016-03-01 Jason Merrill PR c++/67104 * constexpr.c (array_index_cmp, find_array_ctor_elt): New. (cxx_eval_array_reference, cxx_eval_store_expression): Use them. PR c++/51489 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT the operands. PR c++/69995 * constexpr.c (cxx_eval_call_expression): Unshare arg. (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init. [TARGET_EXPR]: Unshare init. 2016-02-29 Jason Merrill PR c++/69995 * constexpr.c (cxx_eval_store_expression): Unshare init. PR c++/65985 * constexpr.c (build_constexpr_constructor_member_initializers): Handle an additional STATEMENT_LIST. 2016-02-25 Bernd Edlinger Backported from mainline 2016-02-19 Jakub Jelinek Bernd Edlinger * Make-lang.in: Invoke gperf with -L C++. * cfns.gperf: Remove prototypes for hash and libc_name_p inlines. * cfns.h: Regenerated. * except.c (nothrow_libfn_p): Adjust. 2016-02-25 Jason Merrill PR c++/67364 * constexpr.c (cxx_eval_component_reference): Don't complain about unevaluated empty classes. PR c++/68049 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE. 2016-02-24 Jason Merrill PR c++/69323 * pt.c (instantiate_class_template_1): Set processing_template_decl before substituting friend_type. 2016-02-19 Jason Merrill PR c++/69743 * call.c (remaining_arguments): No longer static. * cp-tree.h: Declare it. * pt.c (more_specialized_fn): Use it. 2016-02-17 Jason Merrill PR c++/68585 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection. PR c++/68679 * decl2.c (reset_type_linkage_2): Look through member templates. 2016-02-15 Jason Merrill PR c++/68890 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check. 2016-02-10 Jason Merrill PR c++/68926 * pt.c (resolve_nondeduced_context): Add complain parm. (do_auto_deduction): Pass it. * cvt.c (convert_to_void): Likewise. * decl.c (cp_finish_decl): Likewise. * init.c (build_new): Likewise. * rtti.c (get_tinfo_decl_dynamic): Likewise. * semantics.c (finish_decltype_type): Likewise. * typeck.c (decay_conversion): Likewise. * cp-tree.h: Adjust declaration. * call.c (standard_conversion): Add complain parm, pass it along. (implicit_conversion): Pass it. 2016-02-10 Jakub Jelinek Backported from mainline 2016-02-08 Jakub Jelinek PR c++/59627 * parser.c (cp_parser_omp_declare_reduction): Set assembler name of the DECL_OMP_DECLARE_REDUCTION_P decls. 2016-01-31 Jason Merrill PR c++/69009 * pt.c (partial_specialization_p, impartial_args): New. (instantiate_decl): Call impartial_args. 2016-01-27 Marek Polacek Backport from mainline 2016-01-27 Marek Polacek PR c/68062 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if needed. Add -Wsign-compare warning. 2016-01-27 Jason Merrill PR c++/68949 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias. * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of maybe-in-charge *tor. PR c++/69131 * method.c (walk_field_subobs): Add dtor_from_ctor parm. (process_subob_fn): Likewise. Don't consider triviality if true. (synthesize_method_walk): Pass it. 2016-01-19 Marek Polacek Backported from mainline 2016-01-19 Marek Polacek PR c++/68965 * pt.c (tsubst_copy): Mark elements in expanded vector as used. 2016-01-08 Marek Polacek PR c++/68449 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer. 2016-01-07 Jason Merrill PR c++/68983 PR c++/67557 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR. 2015-12-22 Jason Merrill PR c++/66921 * decl.c (cp_complete_array_type): Allow an initializer that already has array type. PR c++/67339 * parser.c (cp_parser_elaborated_type_specifier): Use CLASS_TYPE_P rather than check for RECORD_TYPE. 2015-12-20 Jason Merrill PR c++/67411 * decl2.c (decl_maybe_constant_var_p): Use DECL_HAS_VALUE_EXPR_P. PR c++/67411 * decl2.c (decl_maybe_constant_var_p): A proxy isn't constant. 2015-12-17 Jason Merrill PR c++/67550 * init.c (constant_value_1): Don't return a CONSTRUCTOR missing non-constant elements. PR c++/67576 PR c++/25466 * rtti.c (build_typeid): Use save_expr, not stabilize_reference. 2015-12-16 Joseph Myers PR c/68162 * tree.c (c_build_qualified_type): Add extra arguments. 2015-12-16 Jason Merrill PR c++/63628 * pt.c (tsubst_pack_expansion): Also make dummy decls if retrieve_local_specialization fails. 2015-12-04 Markus Trippelsdorf PR c++/67337 * mangle.c (write_template_prefix): Guard against context==NULL. 2015-12-04 Release Manager * GCC 5.3.0 released. 2015-11-26 Jakub Jelinek PR c++/68508 * cp-tree.h (cp_ubsan_maybe_instrument_downcast): Add INTYPE argument. * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise. Use it instead of or in addition to TREE_TYPE (op). Use is_properly_derived_from, return NULL_TREE if TREE_TYPE (intype) and TREE_TYPE (type) are the same type minus qualifiers. * typeck.c (build_static_cast_1): Adjust callers. 2015-11-25 Jakub Jelinek Backported from mainline 2015-11-20 Jakub Jelinek PR c++/67354 * cp-tree.h (defer_mangling_aliases): Declare. (generate_mangling_aliases): New prototype. * decl2.c (defer_mangling_aliases): New variable. (note_mangling_alias): Use !defer_mangling_aliases instead of at_eof. (generate_mangling_aliases): No longer static. Clear defer_mangling_aliases. * optimize.c (maybe_thunk_body): Defer emitting mangling aliases if !defer_mangling_aliases until the fns are put into the same comdat group. 2015-05-09 Aldy Hernandez PR bootstrap/66085 * decl2.c (note_mangling_alias): Declare arguments as unused. 2015-05-08 Jason Merrill * decl2.c (mangling_aliases): New variable. (note_mangling_alias, generate_mangling_aliases): New. (cp_write_global_declarations): Call generate_mangling_aliases. (generate_mangling_alias): Split out from... * mangle.c (mangle_decl): ...here. * cp-tree.h: Declare note_mangling_alias. 2015-11-25 Jason Merrill PR c++/67941 * lambda.c (maybe_add_lambda_conv_op): Mark _FUN as no_sanitize_undefined. PR c++/68422 * cp-tree.h (PACK_EXPANSION_SIZEOF_P): New. * parser.c (cp_parser_sizeof_pack): Set it. * pt.c (tsubst_copy) [SIZEOF_EXPR]: Likewise. (tsubst_pack_expansion): Improve T... shortcut when set. PR c++/67813 * constexpr.c (cxx_eval_store_expression): Always use *valp if set. 2015-11-25 Markus Trippelsdorf Paolo Carlini PR c++/68087 * constexpr.c (cxx_eval_array_reference): Use tree_fits_shwi_p before tree_to_shwi to avoid ICEs. 2015-11-19 Jakub Jelinek Manuel López-Ibáñez PR c++/67409 * decl.c (identify_goto): Add LOC and DIAG_KIND arguments, call emit_diagnostic instead of permerror. (check_previous_goto_1): Adjust identify_goto callers, treat all cases but crossing initialization and entering scope of decl with non-trivial dtor as unconditional hard errors. (check_goto): Use identify_goto. Treat all cases but crossing initialization and entering scope of decl with non-trivial dtor as unconditional hard errors. 2015-10-20 Jason Merrill PR c++/66583 * init.c (innermost_aggr_scope): New. (sort_mem_initializers): Use it. PR c++/67557 * call.c (is_base_field_ref): New. (unsafe_copy_elision_p): New. (build_over_call): Use it. 2015-09-12 Paolo Carlini Backport from mainline 2015-06-15 Paolo Carlini PR c++/51048 * decl2.c (no_linkage_error): Do not issue a permerror if the DECL using a local type is pure virtual. 2015-09-10 Jakub Jelinek PR c++/67522 * semantics.c (handle_omp_array_sections_1): Only run type_dependent_expression_p on VAR_DECL/PARM_DECLs. (finish_omp_clauses) : Likewise. Don't adjust OMP_CLAUSE_LINEAR_STEP if OMP_CLAUSE_DECL is not a VAR_DECL/PARM_DECL. PR c++/67511 * semantics.c (handle_omp_for_class_iterator): Don't wrap error_mark_node into a NOP_EXPR to void_type_node. 2015-09-09 Jakub Jelinek PR c++/67504 * parser.c (cp_parser_omp_clause_collapse): Test tree_fits_shwi_p before INTEGRAL_TYPE_P test. 2015-09-08 Paolo Carlini PR c++/67369 * pt.c (tsubst_copy, [case FUNCTION_DECL]): Do not call tsubst if the first argument isn't a template. 2015-08-17 Jason Merrill PR c++/66957 * search.c (protected_accessible_p): Revert fix for 38579. 2015-08-17 Paolo Carlini PR c++/66919 * pt.c (tsubst_copy): Pass complain to mark_used, check return value. 2015-08-17 Jason Merrill PR c++/67244 * pt.c (tsubst_copy_and_build): Call insert_pending_capture_proxies. PR c++/65734 * class.c (fixup_attribute_variants): Respect TYPE_USER_ALIGN. PR c++/67104 * constexpr.c (cxx_eval_array_reference): Handle sparse CONSTRUCTORs. 2015-08-14 Jason Merrill PR c++/65974 * decl2.c (mark_vtable_entries): Suppress -Wdeprecated. 2015-08-14 Patrick Palka PR c++/66857 * cvt.c (ocp_convert): Don't call scalar_constant_value when converting to a class type. 2015-08-12 Jason Merrill PR c++/67161 * error.c (dump_decl) [TEMPLATE_ID_EXPR]: Pass TFF_NO_OMIT_DEFAULT_TEMPLATE_ARGUMENTS. 2015-08-06 Jason Merrill PR c++/66533 * parser.c (cp_parser_primary_expression): Don't skip to the end of the statement if we're parsing tentatively. PR c++/67130 PR c++/67131 PR c++/66260 * mangle.c (write_expression) [TEMPLATE_ID_EXPR]: Handle variable templates. * pt.c (tsubst_copy_and_build): Check for argument substitution failure. 2015-08-05 Jason Merrill PR c++/66260 PR c++/66596 PR c++/66649 PR c++/66923 * pt.c (lookup_template_variable): Use NULL_TREE for type. (instantiate_template_1): Also set DECL_TI_ARGS based on the immediate parent. (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle variable templates. (finish_template_variable): Add complain parm. * cp-tree.h: Adjust. PR c++/65195 PR c++/66619 * semantics.c (finish_id_expression): Call convert_from_reference for variable template. PR c++/66336 * pt.c (find_parameter_packs_r): Handle variable templates. (variable_template_specialization_p): New. * cp-tree.h: Declare it. 2015-07-30 Jason Merrill DR 1558 PR c++/67021 * pt.c (tsubst_decl) [TYPE_DECL]: Clear TYPE_DEPENDENT_P_VALID. 2015-07-16 Marek Polacek Backported from mainline 2015-07-08 Marek Polacek PR c++/66748 * tree.c (handle_abi_tag_attribute): Check for CLASS_TYPE_P before accessing TYPE_LANG_SPECIFIC node. 2015-07-16 Release Manager * GCC 5.2.0 released. 2015-07-10 Jakub Jelinek Backported from mainline 2015-07-08 Jakub Jelinek * decl.c (grokfndecl): Handle flag_openmp_simd like flag_openmp. * pt.c (apply_late_template_attributes): Likewise. 2015-07-02 Jason Merrill PR c++/66743 * pt.c (for_each_template_parm_r) [UNDERLYING_TYPE]: Use TYPE_VALUES_RAW rather than TYPE_FIELDS. 2015-06-30 Jason Merrill PR c++/65945 * decl.c (cxx_init_decl_processing): Set TYPE_ALIGN of nullptr_t. * class.c (layout_nonempty_base_or_field): Warn if that affects the offset of a field. 2015-06-29 Adam Butcher PR c++/65750 * parser.c (cp_parser_simple_type_specifier): Don't synthesize implicit template parm if 'auto' is a placeholder for trailing return type. 2015-06-26 Jason Merrill PR c++/66216 * class.c (finish_struct): Call fixup_attribute_variants. PR c++/66067 * mangle.c (write_template_args): Handle 0 length TREE_VEC. 2015-06-24 Jason Merrill PR c++/65919 * mangle.c (mangle_decl): Always SET_IDENTIFIER_GLOBAL_VALUE. (decl_implicit_alias_p): Split out from maybe_remove_implicit_alias. * cp-tree.h (DECL_REALLY_EXTERN): Handle null DECL_LANG_SPECIFIC. PR c++/66647 * pt.c (dependent_type_p_r): Check for dependent alias template specialization sooner. PR c++/66501 * init.c (vec_copy_assign_is_trivial): New. (build_vec_init): Use it. 2015-06-24 Mikhail Maltsev Backport from mainline: 2015-06-20 Mikhail Maltsev PR c++/65882 * call.c (build_new_op_1): Check tf_warning flag in all cases. 2015-06-23 Jason Merrill PR c++/65879 * tree.c (no_linkage_check): Skip the 'this' pointer. 2015-06-19 Jason Merrill PR c++/66515 * call.c (implicit_conversion): Call reshape_init here, early. (build_aggr_conv): Not here. PR c++/66585 * pt.c (instantiate_class_template_1): Clear cp_unevaluated_operand and c_inhibit_evaluation_warnings. PR c++/65880 * decl.c (build_ptrmemfunc_type): Check TYPE_GET_PTRMEMFUNC_TYPE after cv-qualifiers. PR c++/65973 * constexpr.c (build_constexpr_constructor_member_initializers): Handle an empty STATEMENT_LIST. PR c++/65843 * pt.c (tsubst_copy_and_build): Register a capture proxy in local_specializations. 2015-06-17 Jason Merrill PR c++/66001 * constexpr.c (cxx_eval_constant_expression): Handle TRY_BLOCK and TRY_FINALLY_EXPR. (potential_constant_expression_1): Likewise. 2015-06-17 Jakub Jelinek PR c++/66571 * pt.c (tsubst_omp_clause_decl): New function. (tsubst_omp_clauses): Use it or tsubst_copy instead of tsubst_expr on OMP_CLAUSE_DECL. 2015-06-17 Jason Merrill PR c++/66536 * tree.c (replace_placeholders_r) [CONSTRUCTOR]: Handle type mismatch. PR c++/58063 * tree.c (bot_manip): Remap SAVE_EXPR. PR c++/66387 * pt.c (tsubst_copy) [VAR_DECL]: Use process_outer_var_ref. PR c++/66450 * constexpr.c (cxx_eval_store_expression): Avoid messing up outer ctx->ctor. PR c++/66289 * cp-tree.h (TEMPLATE_DECL_COMPLEX_ALIAS_P): New. * pt.c (push_template_decl_real): Set it. (dependent_alias_template_spec_p): Use it. (dependent_type_p_r): Use dependent_alias_template_spec_p. (uses_all_template_parms_data, uses_all_template_parms_r) (complex_alias_template_p): New. (get_template_parm_index): Handle BOUND_TEMPLATE_TEMPLATE_PARM. 2015-06-12 Jason Merrill PR c++/65719 * pt.c (tsubst_decl) [VAR_DECL]: Mark namespace-scope variables as DECL_NOT_REALLY_EXTERN. 2015-06-11 Jason Merrill PR c++/66445 * constexpr.c (potential_constant_expression_1): Handle a DECL_EXPR of TYPE_DECL. 2015-06-11 Pierre-Marie de Rodat * decl.c (cxx_init_decl_processing): Register the main translation unit through the new debug hook. 2015-06-09 Jason Merrill PR c++/66387 * semantics.c (process_outer_var_ref): Make sure the value is actually constant before returning it. * typeck.c (cp_build_array_ref): Allow subscripting non-lvalue array. PR c++/66383 * tree.c (replace_placeholders_r): Handle placeholders for an outer object. * typeck2.c (store_init_value): Only replace_placeholders for objects of class type. 2015-06-05 Jason Merrill PR c++/66405 * pt.c (argument_pack_element_is_expansion_p): Return 2 if the expansion has extra args. (use_pack_expansion_extra_args_p): Return true in that case. PR c++/66405 * pt.c (type_dependent_expression_p): EXPR_PACK_EXPANSION is dependent even if it has a type. 2015-06-05 Jason Merrill PR c++/65942 * decl2.c (mark_used): Don't always instantiate constexpr fns. * constexpr.c (cxx_eval_call_expression): Instantiate them here. 2015-06-04 Marek Polacek Backported from mainline 2015-06-03 Marek Polacek PR sanitizer/66190 * cp-gimplify.c (struct cp_genericize_data): Add no_sanitize_p. (cp_genericize_r): Don't instrument static initializers. (cp_genericize_tree): Initialize wtd.no_sanitize_p. 2015-05-31 Jason Merrill PR c++/66320 * constexpr.c (cxx_eval_constant_expression): Treat a placeholder with the wrong type as non-constant. * pt.c (tsubst_decl) [VAR_DECL]: SET_DECL_IMPLICIT_INSTANTIATION before register_specialization. 2015-05-22 Jakub Jelinek Backported from mainline 2015-05-19 Jakub Jelinek PR middle-end/66199 * parser.c (cp_parser_omp_for_loop): Don't add OMP_CLAUSE_SHARED to OMP_PARALLEL_CLAUSES when moving OMP_CLAUSE_LASTPRIVATE clause to OMP_FOR_CLAUSES. (cp_parser_omp_teams): Set OMP_TEAMS_COMBINED for combined constructs. 2015-05-18 Jason Merrill * pt.c (tsubst_decl) [VAR_DECL]: Call coerce_innermost_template_parms. (determine_specialization): Call coerce_template_parms. * tree.c (strip_typedefs_expr) [TRAIT_EXPR]: Fix typo. (strip_typedefs) [DECLTYPE_TYPE]: Fix typedef of decltype. [TREE_LIST]: Fix no-change case. 2015-05-07 Jason Merrill PR c++/59012 * parser.c (cp_parser_std_attribute_list): Handle attribute expansion. (cp_parser_std_attribute_spec): Handle alignas pack expansion. * decl2.c (is_late_template_attribute): An attribute exp is dependent. * pt.c (make_pack_expansion): Allow TREE_LIST for attribute expansion. (apply_late_template_attributes): Handle attribute pack expansion. DR 1467 PR c++/51747 * typeck2.c (digest_init_r): Fix single element list. 2015-05-05 Jason Merrill * decl.c (start_decl): Don't push the plain VAR_DECL for a variable template. 2015-05-04 Paolo Carlini Jakub Jelinek PR c++/66007 * typeck2.c (check_narrowing): Check by-hand that the pedwarn didn't result in an actual error. 2015-05-01 Paolo Carlini Prathamesh Kulharni PR c++/65858 * typeck2.c (check_narrowing): Set ok = true when pedwarn returns false. 2015-04-30 Paolo Carlini PR c++/65801 * typeck2.c (check_narrowing): In C++11 mode too, -Wno-narrowing suppresses the diagnostic. 2015-04-30 Jason Merrill PR c++/65876 * constexpr.c (cxx_eval_call_expression): Fail gracefully if cgraph threw away DECL_SAVED_TREE. 2015-04-29 Thomas Schwinge Backport from trunk r222564: 2015-04-29 Thomas Schwinge * pt.c (tsubst_expr) : Use OMP_TARGET_UPDATE_CLAUSES instead of OMP_CLAUSES. 2015-04-28 Jason Merrill PR c++/65896 * constexpr.c (cxx_eval_store_expression): Don't try to actually store an empty class. 2015-04-22 Marek Polacek PR c++/65727 * lambda.c (maybe_resolve_dummy): Handle null return. 2015-04-22 Jason Merrill PR c++/65695 * cvt.c (cp_fold_convert): Avoid wrapping PTRMEM_CST in NOP_EXPR. PR c++/65721 * name-lookup.c (do_class_using_decl): Complain about specifying the current class even if there are dependent bases. 2015-04-22 David Krauss PR c++/59766 * decl.c (grokdeclarator): Do not flag friends with deduced return. 2015-04-22 Release Manager * GCC 5.1.0 released. 2015-04-20 Ilya Verbin * parser.c (cp_parser_omp_target_update): Add missed %> to error_at (). 2015-04-12 Jakub Jelinek PR c++/65736 * constexpr.c (cxx_eval_pointer_plus_expression): Don't fold for VLAs, don't fold if op01 isn't divisible by TYPE_SIZE_UNIT. Convert the expression to the original type at the end. 2015-04-09 Jakub Jelinek PR c++/65690 * tree.c (cp_build_qualified_type_real): Copy TYPE_ALIGN and TYPE_USER_ALIGN. PR c++/65690 * tree.c (build_cplus_array_type): Layout type before variants are set, but copy over TYPE_SIZE and TYPE_SIZE_UNIT from the main variant. 2015-04-03 Paolo Carlini PR c++/64085 * lambda.c (add_capture): Use dependent_type_p for capture by reference too. 2015-04-02 Marek Polacek PR c++/65642 * constexpr.c (cxx_eval_pointer_plus_expression): Call cxx_eval_constant_expression on the first operand. 2015-04-01 Jason Merrill PR c++/65625 * decl.c (make_typename_type): Handle seeing a variable template. 2015-04-01 Paolo Carlini PR c++/56100 * pt.c (instantiating_current_function_p): New. * name-lookup.c (pushdecl_maybe_friend_1): Use it. * cp-tree.h (instantiating_current_function_p): Declare. 2015-04-01 Jason Merrill PR c++/65646 * decl.c (grokvardecl): Don't call check_explicit_specialization for non-template members of a class template. 2015-04-01 Marek Polacek PR c++/65554 * class.c (finish_struct): Require that the second field of a user-defined initializer_list be of size type. 2015-03-31 Marek Polacek PR c++/65390 * tree.c (build_cplus_array_type): Use dependent_type_p rather than checking for constness. 2015-03-30 Marek Polacek PR c++/65398 * constexpr.c (cxx_fold_indirect_ref): Don't perform the *(&A[i] p+ j) => A[i + j] transformation here. (cxx_eval_pointer_plus_expression): New function. (cxx_eval_constant_expression): Use it here. 2015-03-27 Tobias Burnus PR c/65586 * parser.c (cp_parser_omp_for, cp_parser_omp_parallel, cp_parser_omp_distribute, cp_parser_omp_teams, cp_parser_omp_target, cp_parser_omp_declare): Don't show error for skipped omp pragmas with -fopenmp-simd. 2015-03-27 Marek Polacek PR c++/65556 * semantics.c (finish_switch_cond): If the unlowered type is not an enum, use the type of the condition. 2015-03-27 Jason Merrill PR c++/65509 * decl.c (make_rtl_for_nonlocal_decl): Don't defer static constants. 2015-03-26 Mikhail Maltsev PR c++/65154 * init.c (build_vec_init): Fix initializing aggregates with empty init list. 2015-03-26 Jason Merrill PR c++/65525 * constexpr.c (potential_constant_expression_1): Handle MEM_REF. 2015-03-25 Marek Polacek PR c++/65558 * name-lookup.c (handle_namespace_attrs): Ignore abi_tag attribute on an anonymous namespace. 2015-03-25 Marek Polacek PR c++/61670 * class.c (remove_zero_width_bit_fields): Check for null DECL_SIZE. 2015-03-24 Jason Merrill PR c++/65046 * cp-tree.h (NAMESPACE_IS_INLINE): Remove. * parser.c (cp_parser_namespace_definition): Don't set it. * name-lookup.c (handle_namespace_attrs): Check DECL_NAMESPACE_ASSOCIATIONS instead. PR c++/65498 * pt.c (get_mostly_instantiated_function_type): Just return the type of the partially instantiated template in DECL_TI_TEMPLATE. 2015-03-20 Marek Polacek PR c++/65398 * constexpr.c (cxx_fold_indirect_ref): Transform *(&A[i] p+ j) into A[i + j]. 2015-03-20 Marek Polacek PR c++/65072 * typeck.c (lookup_anon_field): Make sure we're dealing with the main variant. 2015-03-19 Jason Merrill PR c++/65046 Automatically propagate ABI tags to variables and functions from their (return) type. * class.c (check_tag): Handle variables and functions. (mark_or_check_attr_tags): Split out from find_abi_tags_r. (mark_or_check_tags): Likewise. (mark_abi_tags): Use it. Rename from mark_type_abi_tags. (check_abi_tags): Add single argument overload for decls. Handle inheriting tags for decls. * mangle.c (write_mangled_name): Call it. (mangle_return_type_p): Split out from write_encoding. (unmangled_name_p): Split out from write_mangled_name. (write_mangled_name): Ignore abi_tag on namespace. * cp-tree.h (NAMESPACE_IS_INLINE): Replace NAMESPACE_ABI_TAG. * parser.c (cp_parser_namespace_definition): Set it. * name-lookup.c (handle_namespace_attrs): Use arguments. Warn about abi_tag attribute on non-inline namespace. * tree.c (check_abi_tag_args): Split out from handle_abi_tag_attribute. (handle_abi_tag_attribute): Allow tags on variables. 2015-03-19 Jakub Jelinek * decl2.c (cplus_decl_attributes): Also add "omp declare target" attribute for DECL_EXTERNAL VAR_DECLs. 2015-03-18 Paolo Carlini PR c++/65340 * call.c (build_over_call): Pass the tsubst_flags_t argument to mark_used. * decl2.c (mark_used): Inline the require_deduced_type call and guard the error call. 2015-03-16 Jason Merrill PR c++/65061 * parser.c (cp_parser_template_name): Call strip_using_decl. 2015-03-16 Marek Polacek DR 1688 PR c++/65327 * decl.c (grokdeclarator): Allow volatile and constexpr together. 2015-03-12 Paolo Carlini PR c++/65323 * decl.c (check_default_argument): Don't call maybe_warn_zero_as_null_pointer_constant. 2015-03-11 Aldy Hernandez * cp-gimplify.c (simple_empty_class_p): New. * cp-gimplify.c (cp_gimplify_expr): Handle RETURN_EXPR. Abstract the code for empty class copies into simple_empty_class_p, and adapt it to handle COMPOUND_EXPRs. 2015-03-10 Paolo Carlini PR c++/65370 * decl.c (duplicate_decls): Call check_redeclaration_no_default_args only if the location of newdecl doesn't match the location of olddecl. 2015-03-10 Jakub Jelinek PR c++/65127 * parser.c (parsing_nsdmi): Don't return true if current_class_ptr is not a PARM_DECL. 2015-03-10 Jason Merrill PR c++/65333 DR 1558 * pt.c (dependent_type_p_r): Check both class and alias template args. 2015-03-10 Jakub Jelinek PR c/65120 * parser.c (cp_parser_binary_expression): Check for tcc_comparison before preparing arguments to warn_logical_not_parentheses. Use maybe_constant_value on rhs. 2015-03-09 Jason Merrill PR c++/65339 * call.c: Don't call maybe_resolve_dummy when calling a constructor. 2015-03-09 Jakub Jelinek PR c/65120 * parser.c (cp_parser_binary_expression): Don't warn for !!x == y or !b == y where b is bool. 2015-03-06 Aldy Hernandez * ptree.c (cxx_print_lambda_node): New. (cxx_print_xnode): Handle LAMBDA_EXPR. 2015-03-03 Aldy Hernandez PR c++/65295 * constexpr.c (cxx_eval_constant_expression): Remove assert in RESULT_DECL handling. 2015-02-26 Marek Polacek PR c++/65202 * constexpr.c (cxx_eval_constant_expression): Don't evaluate a RETURN_EXPR if its operand is null. 2015-02-25 Jason Merrill PR c++/65209 * decl2.c (constrain_visibility) [VISIBILITY_ANON]: Clear DECL_COMDAT. (constrain_visibility_for_template): Handle reference arguments. PR debug/58315 * decl.c (start_preparsed_function): Use create_artificial_label for cdtor_label. 2015-02-17 Paolo Carlini Jakub Jelinek PR c++/65075 * constexpr.c (check_constexpr_bind_expr_vars): Allow implicit typedefs for lambda types. 2015-02-13 Paolo Carlini PR c++/60894 * decl.c (lookup_and_check_tag): Use strip_using_decl. 2015-02-13 Jason Merrill PR c++/65054 * pt.c (template_args_equal): Look through conversions here. * tree.c (cp_tree_equal): Not here. 2015-02-13 Paolo Carlini PR c++/60211 * parser.c (cp_parser_pragma): Diagnose PRAGMA_IVDEP at pragma_external context. 2015-02-13 Jason Merrill PR c++/65051 * call.c (reference_binding): Don't look for bad conversion if TO is incomplete. 2015-02-13 Paolo Carlini PR c++/64970 * decl.c (make_typename_type): Pass tsubst_flags_t argument to lookup_template_class. 2015-02-13 Jakub Jelinek PR ipa/65034 * decl.c (start_preparsed_function): Use void_type_node instead of NULL_TREE as LABEL_DECL type. 2015-02-12 Jason Merrill PR c++/64898 * mangle.c (write_mangled_name): Fix test for variable template instantiation. * decl.c (begin_destructor_body): Condition clobber on -flifetime-dse. 2015-02-12 Andrea Azzarone PR c++/64959 * parser.c (lookup_literal_operator): Return all candidates. (cp_parser_userdef_char_literal): Simplify error handling. (cp_parser_userdef_numeric_literal): Pass tf_warning_or_error. (cp_parser_userdef_string_literal): Pass tf_warning_or_error. Also give higher priority to standard string UDL operator. 2015-02-12 Jakub Jelinek PR debug/55541 * cp-tree.h (BLOCK_OUTER_CURLY_BRACE_P): Define. * decl.c (poplevel): If functionbody, try not to create an extra BLOCK for function body and use subblocks as that, if it is non-NULL and doesn't have siblings. Set BLOCK_OUTER_CURLY_BRACE_P flag. (outer_curly_brace_block): Use BLOCK_OUTER_CURLY_BRACE_P flag. PR sanitizer/64984 * except.c (check_noexcept_r): Return NULL for internal calls. 2015-02-10 Jason Merrill PR c++/64994 * constexpr.c (cxx_eval_call_expression): Walk the clone list. 2015-02-10 Jan Hubicka PR ipa/64982 * method.c (use_thunk): Do not check for stdarg thunks. 2015-02-06 Jason Merrill PR c++/64899 * init.c (build_vec_init): Handle default-initialized array with constexpr default constructor. 2015-02-04 Jakub Jelinek PR c/64824 PR c/64868 * parser.c (cp_parser_omp_atomic): Handle RDIV_EXPR. 2015-02-03 Paolo Carlini PR c++/64877 * typeck.c (cp_build_binary_op): Avoid spurious -Waddress warnings for generated expressions. 2015-02-02 Ville Voutilainen PR c++/64901 * decl.c (duplicate_decls): Also duplicate DECL_FINAL_P and DECL_OVERRIDE_P. 2015-02-02 Jason Merrill * tree.c (handle_abi_tag_attribute): Diagnose invalid arguments. 2015-01-30 Joseph Myers * class.c, except.c, parser.c, pt.c: All callers of fatal_error changed to pass input_location as first argument. 2015-01-29 Jakub Jelinek PR c++/64717 * cp-ubsan.c (cp_ubsan_instrument_vptr): Don't wrap vptr into SAVE_EXPR. 2015-01-29 Jason Merrill PR c++/49508 * semantics.c (finish_return_stmt): Suppress -Wreturn-type on erroneous return statement. PR c++/64521 * repo.c (repo_emit_p): It's OK for a clone to be extern at this point. 2015-01-27 Caroline Tice Committing VTV Cywin/Ming patch for Patrick Wollgast * vtable-class-hierarchy.cc (vtv_generate_init_routine): Add check for not TARGET_PECOFF at the VTV_PREINIT_PRIORITY checks. 2015-01-27 Jason Merrill PR c++/58597 * lambda.c (maybe_add_lambda_conv_op): Check cfun rather than current_function_decl. PR c++/63889 * pt.c (finish_template_variable): Move from semantics.c. Handle multiple template arg levels. Handle coercion here. (lookup_template_variable): Not here. 2015-01-23 Jason Merrill PR c++/64314 PR c++/57510 * typeck2.c (split_nonconstant_init_1): Remove a sub-CONSTRUCTOR that has been completely split out. PR c++/64701 * constexpr.c (cxx_eval_constant_expression): Don't crash on C++ statement codes. PR c++/64727 * constexpr.c (cxx_eval_constant_expression): Allow for lvalue use of CONST_DECL. 2015-01-21 Jason Merrill PR c++/64603 * constexpr.c (cxx_eval_constant_expression): Only shortcut constant CONSTRUCTORs. PR c++/64647 * constexpr.c (ensure_literal_type_for_constexpr_object): Don't give a hard error in a template instantiation. 2015-01-21 Richard Biener PR middle-end/64313 * decl.c (duplicate_decls): Call set_builtin_decl_declared_p for builtins the user declared correctly. 2015-01-16 Paolo Carlini PR c++/58614 * pt.c (unify): When BRACE_ENCLOSED_INITIALIZER_P (arg), handle TREE_TYPE (elt) == error_mark_node. 2015-01-15 Jan Hubicka PR tree-optimization/62053 * tree.c (build_cplus_array_type): Layout type after variants are set. 2015-01-15 Jakub Jelinek * cp-gimplify.c (cp_genericize_r): Call cp_ubsan_maybe_instrument_member_call for member calls. (cp_ubsan_check_member_access_r): New function. (cp_genericize_tree): Call cp_ubsan_instrument_member_accesses. * cp-tree.h (cp_ubsan_maybe_instrument_member_call, cp_ubsan_instrument_member_accesses, cp_ubsan_maybe_instrument_downcast, cp_ubsan_maybe_instrument_cast_to_vbase): New prototypes. * cp-ubsan.c: New file. * Make-lang.in (CXX_AND_OBJCXX_OBJS): Add cp/cp-ubsan.o. * constexpr.c (cxx_eval_call_expression): Return void_node for IFN_UBSAN_VPTR. (potential_constant_expression_1): Return true for UBSAN_NULL, UBSAN_BOUNDS and UBSAN_VPTR internal calls. * typeck.c (build_class_member_access_expr): Provide locus for COMPONENT_REFs. (build_static_cast_1): Instrument downcasts. * class.c (build_base_path): For -fsanitize=vptr and !fixed_type_p add ubsan instrumentation for virtual_access. * call.c: Include internal-fn.h. (set_flags_from_callee): Handle internal calls. 2015-01-15 Momchil Velikov PR c++/59366 * name-lookup.c (pushdecl_maybe_friend_1): Hide friend functions and function templates, declared only in the class. * decl.c (duplicate_decls): Reveal hidden friend functions or function templates, if they are redeclared outside the class. 2015-01-15 Jason Merrill PR c++/64356 * constexpr.c (cxx_eval_binary_expression): Fix pasto. PR c++/63283 * constexpr.c (potential_constant_expression_1): Handle reference args in templates. 2015-01-15 Thomas Schwinge James Norris Cesar Philippidis Ilmir Usmanov Jakub Jelinek * parser.c: Include "gomp-constants.h". (cp_parser_omp_clause_map): Use enum gomp_map_kind instead of enum omp_clause_map_kind. Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*. Use OMP_CLAUSE_SET_MAP_KIND. (cp_parser_omp_construct, cp_parser_pragma): Handle PRAGMA_OACC_CACHE, PRAGMA_OACC_DATA, PRAGMA_OACC_ENTER_DATA, PRAGMA_OACC_EXIT_DATA, PRAGMA_OACC_KERNELS, PRAGMA_OACC_PARALLEL, PRAGMA_OACC_LOOP, PRAGMA_OACC_UPDATE, PRAGMA_OACC_WAIT. (cp_parser_omp_clause_name): Handle "async", "copy", "copyout", "create", "delete", "deviceptr", "host", "num_gangs", "num_workers", "present", "present_or_copy", "pcopy", "present_or_copyin", "pcopyin", "present_or_copyout", "pcopyout", "present_or_create", "pcreate", "vector_length", "wait". (OACC_DATA_CLAUSE_MASK, OACC_ENTER_DATA_CLAUSE_MASK) (OACC_EXIT_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK) (OACC_LOOP_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK) (OACC_UPDATE_CLAUSE_MASK, OACC_WAIT_CLAUSE_MASK): New macros. (cp_parser_omp_var_list_no_open): Handle OMP_CLAUSE__CACHE_. (cp_parser_oacc_data_clause, cp_parser_oacc_data_clause_deviceptr) (cp_parser_oacc_clause_vector_length, cp_parser_oacc_wait_list) (cp_parser_oacc_clause_wait, cp_parser_omp_clause_num_gangs) (cp_parser_omp_clause_num_workers, cp_parser_oacc_clause_async) (cp_parser_oacc_all_clauses, cp_parser_oacc_cache) (cp_parser_oacc_data, cp_parser_oacc_enter_exit_data) (cp_parser_oacc_kernels, cp_parser_oacc_loop) (cp_parser_oacc_parallel, cp_parser_oacc_update) (cp_parser_oacc_wait): New functions. * cp-tree.h (finish_oacc_data, finish_oacc_kernels) (finish_oacc_parallel): New prototypes. * semantics.c: Include "gomp-constants.h". (handle_omp_array_sections): Handle GOMP_MAP_FORCE_DEVICEPTR. Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*. Use OMP_CLAUSE_SET_MAP_KIND. (finish_omp_clauses): Handle OMP_CLAUSE_ASYNC, OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_WAIT, OMP_CLAUSE__CACHE_. Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*. (finish_oacc_data, finish_oacc_kernels, finish_oacc_parallel): New functions. 2015-01-14 Paolo Carlini PR c++/58671 * decl2.c (var_defined_without_dynamic_init): Handle gracefully self-initialization. 2015-01-13 Jason Merrill PR c++/64356 PR libstdc++/58777 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT pointer expressions. (cxx_eval_increment_expression): Likewise. PR c++/64514 * pt.c (coerce_template_parameter_pack): Return NULL for a zero-length fixed parameter pack with a pack expansion arg. PR c++/64520 * pt.c (unify): Don't try to deduce to std::initializer_list. 2015-01-12 Jason Merrill PR c++/64547 * constexpr.c (cxx_eval_call_expression): A call to a void function doesn't need to return a value. 2015-01-09 Michael Collison * call.c: Include hash-set.h, machmode.h, vec.h, double-int.h, input.h, alias.h, symtab.h, options.h, fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h. * class.c: Ditto. * constexpr.c: Ditto. * cp-array-notation.c: Ditto. * cp-gimplify.c: Ditto. * cp-lang.c: Ditto. * cp-objcp-common.c: Ditto. * cvt.c: Ditto. * decl2.c: Ditto. * decl.c: Ditto. * dump.c: Ditto. * error.c: Ditto. * except.c: Ditto. * expr.c: Ditto. * friend.c: Ditto. * init.c: Ditto. * lambda.c: Ditto. * lex.c: Ditto. * mangle.c: Ditto. * name-lookup.c: Ditto. * optimize.c: Ditto. * parser.c: Ditto. * pt.c: Ditto. * ptree.c: Ditto. * repo.c: Ditto. * rtti.c: Ditto. * search.c: Ditto. * semantics.c: Ditto. * tree.c: Ditto. * typeck2.c: Ditto. * typeck.c: Ditto. 2015-01-08 Jason Merrill * cp-gimplify.c (cp_genericize): Use do_ubsan_in_current_function. * decl.c (compute_array_index_type): Likewise. * init.c (build_vec_init): Likewise. * typeck.c (cp_build_binary_op): Likewise. 2015-01-08 Jason Merrill * init.c (build_vec_init): Call ubsan_instrument_bounds to check whether an initializer-list is too big for a VLA. (throw_bad_array_length): Remove. * cp-tree.h: Remove prototype. 2015-01-08 Paolo Carlini PR c++/60753 * decl.c (grokfndecl): Add bool parameter. (grokdeclarator): Adjust calls. (start_decl): Don't set DECL_DELETED_FN here. 2015-01-06 Jason Merrill * parser.c (cp_parser_nested_name_specifier_opt): Diagnose invalid template-ids. PR c++/64455 * pt.c (type_dependent_expression_p): Handle variable templates. * constexpr.c (potential_constant_expression_1): Use it. PR c++/64487 * semantics.c (finish_offsetof): Handle templates here. * parser.c (cp_parser_builtin_offsetof): Not here. PR c++/64496 * semantics.c (process_outer_var_ref): Diagnose lambda in local class NSDMI. 2015-01-06 Ville Voutilainen PR c++/64489 * class.c (check_field_decls): Make copy assignment operators complex only in c++98 mode. 2015-01-05 Trevor Saunders PR c++/31397 * class.c (check_for_override): Warn when a virtual function is an override not marked override. 2015-01-05 Trevor Saunders * class.c (warn_hidden): Use auto_vec instead of tree_list to hold base_fndecls. (get_basefndecls): Adjust. 2015-01-05 Jakub Jelinek Update copyright years. 2015-01-05 Marek Polacek PR c/64423 * typeck.c (cp_build_array_ref): Pass loc down to warn_array_subscript_with_type_char. Copyright (C) 2015 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.