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[official-gcc.git] / gcc / cp / ChangeLog
blobb5c09ac57662f1c9ecf80db4c22832dd217f9a52
1 2017-06-27  Nathan Sidwell  <nathan@acm.org>
3         * pt.c (tsubst_decl <FUNCTION_DECL>): Move var decls to
4         initialization point.  Don't unnecessarily check for ctor name.
6         * cp-tree.h (CLASSTYPE_DESTRUCTORS): Rename to ...
7         (CLASSTYPE_DESTRUCTOR): ... this.
8         * class.c (accessible_nvdtor_p,
9         maybe_warn_about_overly_private_class,
10         add_implicitly_declared_members,
11         clone_constructors_and_destructors, type_has_virtual_destructor):
12         Adjust for CLASSTYPE_DESTRUCTOR.
13         (deduce_noexcept_on_destructors): Absorb into ...
14         (check_bases_and_members): ... here.
15         * except.c (dtor_nothrow): Adjust for CLASSTYPE_DESTRUCTOR.
16         * init.c (build_delete): Likewise.
17         * parser.c (cp_parser_lookup_name): Likewise.
18         * pt.c (check_explicit_specialization): Likewise.
19         * rtti.c (emit_support_tinfos): Likewise.
20         * search.c (lookup_fnfields_idx_nolazy): Likewise.
22         Kill IDENTIFIER_TEMPLATE.
23         * cp-tree.h (lang_identifier): Remove class_template_info field.
24         (IDENTIFIER_TEMPLATE): Delete.
25         * name-lookup.c (constructor_name_full): Subsume into ...
26         (constructor_name): ... here.  Don't check IDENTIFIER_TEMPLATE.
27         (constructor_name_p): Likewise.
28         * mangle.c (write_source_name): Likewise.
29         * ptree.c (cxx_print_identifier): Likewise.
31 2017-06-27  Marek Polacek  <polacek@redhat.com>
33         PR bootstrap/81216
34         * parser.c (cp_parser_already_scoped_statement): Initialize
35         LOC_AFTER_LABELS.
37 2017-06-26  Jason Merrill  <jason@redhat.com>
39         PR c++/81215 - deduction failure with variadic TTP.
40         * pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
42 2017-06-26  Martin Sebor  <msebor@redhat.com>
44         PR c++/81169
45         * call.c (maybe_warn_class_memaccess): Preserve explicit conversions
46         to detect casting away cv-qualifiers.
48 2017-06-26  Nathan Sidwell  <nathan@acm.org>
50         * cp-tree.h (lang_decl_fn): Remove assignment_operator_p field.
51         (DECL_COMPLETE_CONSTRUCTOR_P): Directly compare
52         identifier.
53         (DECL_BASE_CONSTRUCTOR_P, DECL_COMPLETE_DESTRUCTOR_P,
54         DECL_BASE_DESTRUCTOR_P, DECL_DELETING_DESTRUCTOR_P): Likewise.
55         (DECL_ASSIGNMENT_OPERATOR_P): Use IDENTIFIER_ASSIGN_OP_P.
56         * decl.c (grok_op_properties): Adjust identifier checking.
57         * init.c (expand_default_init): Adjust identifier descision.
58         * method.c (implicitly_declare_fn): Don't use
59         DECL_ASSIGNMENT_OPERATOR_P.
60         * search.c (lookup_fnfields_1): Use IDENTIFIER_CTOR_P,
61         IDENTIFIER_DTOR_P.
62         * call.c (in_charge_arg_for_name): Reimplement.
63         (build_special_member_call): Use IDENTIFIER_CDTOR_P,
64         IDENTIFIER_DTOR_P.
66 2017-06-26  Marek Polacek  <polacek@redhat.com>
68         PR c/80116
69         * parser.c (cp_parser_statement): Add a default argument.  Save the
70         location of the expression-statement after labels have been parsed.
71         (cp_parser_implicitly_scoped_statement): Set the location of the
72         body of the conditional after parsing all the labels.  Call
73         warn_for_multistatement_macros.
74         (cp_parser_already_scoped_statement): Likewise.
76 2017-06-24  Paolo Carlini  <paolo.carlini@oracle.com>
78         PR c++/62315
79         * parser.c (cp_parser_diagnose_invalid_type_name): Don't print
80         'typename' in error messages about missing 'typename'.
82 2017-06-23  Jason Merrill  <jason@redhat.com>
84         PR c++/79056 - C++17 ICE with invalid template syntax.
85         * parser.c (cp_parser_simple_type_specifier): Don't assume that type
86         is a TYPE_DECL.
87         (cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
88         * pt.c (template_placeholder_p): New.
89         * cp-tree.h: Declare it.
91 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
93         * decl.c (duplicate_decls): Use builtin_structptr_types.
95 2017-06-22  Nathan Sidwell  <nathan@acm.org>
97         Reorder IDENTIFIER flags
98         gcc/cp/
99         * cp-tree.h (enum cp_identifier_kind): New.
100         (IDENTIFIER_KIND_BIT_0, IDENTIFIER_KIND_BIT_1,
101         IDENTIFIER_KIND_BIT_2): New.
102         (IDENTIFIER_MARKED): Move to TREE_LANG_FLAG_4.
103         (IDENTIFIER_VIRTUAL_P, IDENTIFIER_REPO_CHOSEN): Add IDENTIFIER_CHECK.
104         (C_IS_RESERVED_WORD): Replace with ...
105         (IDENTIFIER_KEYWORD_P): ... this.
106         (IDENTIFIER_CTOR_OR_DTOR_P): Replace with ...
107         (IDENTIFIER_CDTOR_P): ... this.
108         (IDENTIFIER_CTOR_P, IDENTIFIER_DTOR_P): New.
109         (IDENTIFIER_OPNAME_P): Replace with ...
110         (IDENTIFIER_ANY_OP_P): ... this.
111         (IDENTIFIER_ASSIGN_OP_P): New.
112         (IDENTIFIER_TYPENAME_P): Replace with ...
113         (IDENTIFIER_CONV_OP_P): ... this.
114         (NEW_DELETE_OPNAME_P): Replace with ...
115         (IDENTIFIER_NEWDEL_OP_P): ... this.
116         (DECL_CONV_FN_P, DECL_OVERLOADED_OPERATOR_P): Adjust.
117         (get_identifier_kind_name, set_identifier_kind): Declare.
118         * lex.c (get_identifier_kind_name, set_identifier_kind): New.
119         (init_operators): Adjust to avoid keywords, use
120         set_identifier_kind. Copy TYPE_EXPR slot.
121         (init_reswords): Call set_identifier_kind.
122         (unqualified_name_lookup_error): Adjust.
123         * operators.def (TYPE_EXPR): Remove.
124         * decl.c (struct predefined_identifier): Move into ...
125         (initialize_predefined_identifiers): ... here.  Call
126         set_identifier_kind.
127         (grokfndecl, check_var_type, grokdeclarator): Adjust.
128         (grok_op_properties): Use IDENTIFIER_ANY_ASSIGN_OP to halve search
129         space.  Adjust.
130         * call.c (name_as_c_string): Adjust.
131         (build_new_method_call_1): Likewise.
132         * cp-cilkplus.c (is_conversion_operator_function_decl_p): Likewise.
133         * cxx-pretty-print.c (pp_cxx_unqualified_id): Adjust.
134         * dump.c (cp_dump_tree): Adjust.
135         * error.c (dump_decl_name): Adjust.
136         * mangle.c (write_unqualified_id, write_member_name,
137         write_expression): Adjust.
138         (mangle_conv_op_name_for_type): Use set_identifier_kind.
139         * name-lookup.c (do_class_using_decl): Adjust.
140         (lookup_name_fuzzy, lookup_name_real_1): Likewise.
141         * parser.c (cp_lexer_get_preprocessor_token,
142         cp_parser_direct_declarator): Likewise.
143         * pt.c (push_template_decl_real, tsubst_decl, tsubst_baselink,
144         tsubst_copy, tsubst_copy_and_build): Adjust.
145         * ptree.c (cxx_print_identifier): Print identifier kind.
146         * search.c (lookup_field_r, lookup_member,
147         lookup_fnfields_idx_nolazy): Adjust.
148         * semantics.c (finish_id_expression): Adjust..
149         * typeck.c (cp_build_addr_expr_1): Adjust.
151 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
153         PR c++/81154
154         * semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
155         Complain about t not being a variable if t is OVERLOAD even
156         when processing_template_decl.
158 2017-06-21  David Malcolm  <dmalcolm@redhat.com>
160         * parser.c (get_cast_suggestion): New function.
161         (maybe_add_cast_fixit): New function.
162         (cp_parser_cast_expression): Capture the location of the closing
163         parenthesis.  Call maybe_add_cast_fixit when emitting warnings
164         about old-style casts.
166 2017-06-20  Jason Merrill  <jason@redhat.com>
168         PR c++/80972 - C++17 ICE with attribute packed.
169         * call.c (build_over_call): Allow a TARGET_EXPR from reference
170         binding.
172 2017-06-20  Nathan Sidwell  <nathan@acm.org>
174         * cp-tree.h (CPTI_NELTS_IDENTIFIER): Delete.
175         (nelts_identifier): Delete.
176         * decl.c (initialize_predefined_identifiers): Remove nelts.
178         PR c++/67074 - namespace aliases
179         * decl.c (duplicate_decls): Don't error here on mismatched
180         namespace alias.
181         * name-lookup.c (name_lookup::add_value): Matching namespaces are
182         not ambiguous.
183         (diagnose_name_conflict): Namespaces are never redeclarations.
184         (update_binding): An alias can match a real namespace.
186 2017-06-19  Jason Merrill  <jason@redhat.com>
188         PR c++/80562 - ICE with constexpr if.
189         * semantics.c (finish_if_stmt_cond): Call
190         instantiate_non_dependent_expr.
192         PR c++/80829 - ICE with constexpr copy of base subobject.
193         * constexpr.c (clear_no_implicit_zero): New.
194         (cxx_eval_call_expression): Call it.
196 2017-06-19  Nathan Sidwell  <nathan@acm.org>
198         PR c++/81124
199         PR c++/79766
200         * name-lookup.c (set_decl_namespace): Don't follow using
201         directives and ignore using decls.  Only check overly-explicit
202         scope after discovering decl.
204 2017-06-19  Jason Merrill  <jason@redhat.com>
206         PR c++/81073 - constexpr and static var in statement-expression.
207         * typeck2.c (store_init_value): Always call
208         require_potential_constant_expression.
209         * pt.c (convert_nontype_argument): Likewise.
210         * constexpr.c (potential_constant_expression_1): Adjust message.
211         Use decl_maybe_constant_var_p instead of decl_constant_var_p.
212         * decl2.c (decl_maybe_constant_var_p): Consider initializer.
214 2017-06-19  Nathan Sidwell  <nathan@acm.org>
216         * pt.c (coerce_template_parms): Fix indentation.
217         (tsubst_decl): Remove repeated SET_DECL_RTL.  Move VAR_P handling
218         in to single block.
220         PR c++/81119
221         * name-lookup.c (update_binding): Only warn about constructors
222         hidden by functions.
224 2017-06-17  Jason Merrill  <jason@redhat.com>
226         PR c++/60063 - -Wunused-local-typedefs and templates.
227         * decl2.c (is_late_template_attribute): Return false for "used".
229         PR c++/70844 - -Wuseless-cast and inheriting constructor.
230         * method.c (forward_parm): Suppress warn_useless_cast.
232 2017-06-16  Jason Merrill  <jason@redhat.com>
234         PR c++/81045 - Wrong type-dependence with auto return type.
235         * pt.c (type_dependent_expression_p): An undeduced auto outside the
236         template isn't dependent.
237         * call.c (build_over_call): Instantiate undeduced auto even in a
238         template.
240         PR c++/80465 - ICE with generic lambda with noexcept-specifier.
241         * lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
242         set longer for a generic lambda.
244         PR c++/80614 - Wrong mangling for C++17 noexcept type
245         * mangle.c (write_type): Put the eh spec back on the function type.
247         PR c++/81102 - Wrong error with partial specialization.
248         * pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
249         types.  Do type deduction later.
251         PR c++/81074 - ICE with partial specialization of member template.
252         PR c++/71747
253         * pt.c (get_partial_spec_bindings): Only coerce innermost args.
255         PR c++/80831 - ICE with -fsyntax-only.
256         * decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
258         PR c++/80639 - ICE with invalid PMF initialization.
259         PR c++/80043 - ICE with -fpermissive
260         * typeck.c (convert_for_assignment): Recurse when instantiate_type
261         returns without an error.
263 2017-06-16  Nathan Sidwell  <nathan@acm.org>
265         * pt.c (tsubst_baselink): Fix & clarify formatting.
267         * cp-tree.h (build_this_parm, cp_build_parm_decl,
268         build_artificial_parm): Add FN parm.
269         * decl.c (start_cleanup_fn): Adjust.
270         (build_this_parm): Add FN parm, pass it through.
271         (grokfndecl): Adjust parm building.
272         * decl2.c (cp_build_parm_decl): Add FN parm, set context.
273         (build_artificial_parm): Add FN parm, pass through.
274         (maybe_retrofit_in_chrg): Adjust parm building.
275         (start_static_storage_duration_function): Likwise.
276         * lambda.c (maybe_aadd_lambda_conv_op): Likewise.
277         * method.c (implicitly_declare_fn): Likewise.
278         * parser.c (inject_this_parameter): Likewise.
280         Symbol tables are insert only.
281         * cp-tree.h (default_hash_traits <lang_identifier *>): Don't
282         derive from pointer_hash.  Make undeletable.
284         * class.c (resort_type_method_vec): Avoid potential unsigned
285         overflow.
287         Don't defer noexcept_deferred_spec.
288         * cp-tree.h (unevaluated_noexcept_spec): Don't declare.
289         * decl.c (cxx_init_decl_processing): Initialize
290         noexcept_deferred_spec.
291         * except.c (unevaluated_noexcept_spec): Delete.
292         * class.c (deduce_noexcept_on_destructor): Use
293         noexcept_deferred_spec directly.
294         * method.c (implicitly_declare_fn): Likewise.
296         Make keyed_classes a vector.
297         * cp-tree.h (CPTI_KEYED_CLASSES, keyed_classes): Delete.
298         (keyed_classes): Declare as vector.
299         * decl.c (keyed_classes): Define.
300         (cxx_init_decl_processing): Allocate it.
301         (record_key_method_defined): Use vec_safe_push.
302         * class.c (finish_struct_1): Likewise.
303         * pt.c (instantiate_class_template_1): Likewise.
304         * decl2.c (c_parse_final_cleanups): Reverse iterate keyed_classes.
306         Make rtti lazier
307         * rtti.c (enum tinfo_kind): Add TK_DERIVED_TYPES,
308         TK_VMI_CLASS_TYPES, TK_MAX.  Delete TK_FIXED.
309         (tinfo_names): New.
310         (typeid_ok_p): Add quotes to error messages.  Use get_tinfo_desc.
311         (get_tinfo_decl): Use get_tinfo_desc.
312         (get_pseudo_ti_init): Likewise. Adjust VMI construction.
313         (create_pseudo_type_info): Delete.
314         (get_pseudo_ti_index): Just determine the index.
315         (get_tinfo_desc): New.  Create all types lazily.
316         (create_tinfo_types): Just allocate the descriptor array.
317         (emit_support_tinfos): Use non-inserting type lookup.  Set builtin
318         location.
320 2017-06-15  Martin Sebor  <msebor@redhat.com>
322         PR c++/80560
323         * call.c (first_non_public_field, maybe_warn_class_memaccess): New
324         functions.
325         (has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
326         (build_cxx_call): Call maybe_warn_class_memaccess.
328 2017-06-14  Jakub Jelinek  <jakub@redhat.com>
330         * cp-gimplify.c (cp_genericize_r): Turn most of the function
331         into a switch (TREE_CODE (stmt)) statement from long else if
332         sequence.
334 2017-06-13  Jakub Jelinek  <jakub@redhat.com>
336         PR c++/80973
337         * cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
338         argument even if it has REFERENCE_TYPE.
340         PR c++/80984
341         * cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
342         BLOCK_VARS (outer) chain.
343         (cxx_omp_const_qual_no_mutable): Likewise.
345 2017-06-13  Martin Liska  <mliska@suse.cz>
347         PR sanitize/78204
348         * class.c (build_base_path): Use sanitize_flags_p.
349         * cp-gimplify.c (cp_genericize_r): Likewise.
350         (cp_genericize_tree): Likewise.
351         (cp_genericize): Likewise.
352         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
353         * decl.c (compute_array_index_type): Likewise.
354         (start_preparsed_function): Likewise.
355         * decl2.c (one_static_initialization_or_destruction): Likewise.
356         * init.c (finish_length_check): Likewise.
357         * lambda.c (maybe_add_lambda_conv_op): Likewise.
358         * typeck.c (cp_build_binary_op): Likewise.
359         (build_static_cast_1): Likewise.
361 2017-06-11  Jason Merrill  <jason@redhat.com>
363         * error.c (dump_expr): Use is_this_parameter.
365         * cp-tree.h, decl2.c, mangle.c, parser.c, pt.c, semantics.c: Use
366         id_equal.
368 2017-06-09  Jason Merrill  <jason@redhat.com>
370         Missing bits from N4268, constant evaluation for all non-type args.
371         * call.c (build_converted_constant_expr): Rename from
372         build_integral_nontype_arg_conv, handle all types.
373         * pt.c (convert_nontype_argument): In C++17 call it for all types.
374         Move NOP stripping inside pointer case, don't strip ADDR_EXPR.
375         * cvt.c (strip_fnptr_conv): Also strip conversions to the same type.
377         Overhaul pointer-to-member conversion and template argument handling.
378         * call.c (standard_conversion): Avoid creating ck_pmem when the
379         class type is the same.
380         * cvt.c (can_convert_qual): Split from
381         perform_qualification_conversions.
382         * constexpr.c (cxx_eval_constant_expression): Check it.
383         * typeck.c (convert_ptrmem): Only cplus_expand_constant if
384         adjustment is necessary.
385         * pt.c (check_valid_ptrmem_cst_expr): Compare class types.
386         (convert_nontype_argument): Avoid redundant error.
388         * call.c (convert_like_real): Remove "inner" parameter.
389         Don't replace a constant with its value.
390         * cp-gimplify.c (cp_fully_fold): Use cp_fold_rvalue.
392         * pt.c (convert_nontype_argument): Check NULLPTR_TYPE_P rather than
393         nullptr_node.
395         * parser.c (cp_parser_constant_expression): Check
396         potential_rvalue_constant_expression after decay_conversion.
397         * pt.c (convert_nontype_argument): Don't require linkage in C++17.
399         PR c++/80384 - ICE with dependent noexcept-specifier
400         * pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
401         noexcept-specifier.
403         * constexpr.c (potential_constant_expression_1): Allow 'this' capture.
405 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
407         * class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
408         * decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
409         (excpet.c): Mark terminate as cold.
411 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
413         PR c/81006
414         * semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
415         to sizetype before size_binop.
417         PR c++/81011
418         * cp-gimplify.c (cxx_omp_finish_clause): When changing clause
419         to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
420         and OMP_CLAUSE_SHARED_READONLY flags.
422 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
424         * cp-tree.h (lang_check_failed): Annotate by ATTRIBUTE_COLD.
426 2017-06-07  Nathan Sidwell  <nathan@acm.org>
428         * class.c (layout_class_type): Restructure overlong-bitfield tpe
429         search.
431 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
433         PR c++/80990
434         * pt.c (do_class_deduction): Build qualified type.
436 2017-06-06  Nathan Sidwell  <nathan@acm.org>
438         * name-lookup.c (suggest_alternatives_for): Use qualified lookup
439         sans using directives.  Don't walk into inline namespaces.
441         PR c++/80979
442         * name-lookup.c (adl_class_only): Don't add visible friends.
444 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
446         * parser.c (cp_parser_base_specifier): Fix typos in error messages.
448 2017-06-02  Nathan Sidwell  <nathan@acm.org>
450         Remove lang_type_ptrmem.
451         * cp-tree.h (lang_type_header): Remove is_lang_type_class. Move
452         into ...
453         (lang_type_class): ... this.  Reorder bitfields.  Rename to ...
454         (lang_type): ... this.  Delete old definition.
455         (lang_type_ptrmem): Delete.
456         (LANG_TYPE_CLASS_CHECK): Simply get TYPE_LANG_SPECIFIC.  Adjust uses.
457         (LANG_TYPE_PTRMEM_CHECK): Delete.
458         (TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): Delete.
459         (TYPE_PTRMEMFUNC_TYPE): New.  Use TYPE_LANG_SLOT_1.
460         * decl.c (build_ptrmemfunc_type): Adjust.
461         * lex.c (copy_lang_type): Remove lang_type_ptrmem handling.
462         (maybe_add_lang_type_raw): Don't set u.c.h.is_lang_type_class.
463         
464         * class.c (check_bases_and_members): Adjust vec_new_uses_cookie
465         setting.
466         
467         Remove cp_binding_level::namespaces
468         * name-lookup.h (cp_binding_level): Lose namespaces field.
469         * name-lookup.c (add_decl_to_level): Chain namespaces on the names
470         list.
471         (suggest_alternatives_for): Adjust for namespace list.  Do
472         breadth-first search.
473         * decl2.c (collect_source_refs): Namespaces are on the regulr
474         list.
475         (collect_ada_namespace): Likewise.
477 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
479         * typeck.c (cp_build_binary_op): Implement the -Wsizeof_pointer_div
480         warning.
482 2017-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
484         PR c++/80812
485         * method.c (constructible_expr): Strip array types before calling
486         build_value_init.
488 2017-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
490         PR c++/80896
491         * cvt.c (convert_to_void): Possibly call maybe_warn_nodiscard
492         for case INDIRECT_REF too in the main switch.
494 2017-05-31  Jason Merrill  <jason@redhat.com>
496         PR c++/80840 - ICE with constexpr and reference
497         * pt.c (convert_nontype_argument): Don't test whether a decl is
498         value-dependent when binding to a reference.
500 2017-05-31  Nathan Sidwell  <nathan@acm.org>
502         * cp-tree.h (lang_decl_slector): New enum.
503         (lang_decl_base): Make selector an enum.  Drop decomposition_p
504         field.
505         (lang_decl): Use enum for discrimination.
506         (LANG_DECL_FN_CHECK, LANG_DECL_NS_CHECK, LANG_DECL_PARM_CHECK,
507         LANG_DECL_DEOMP_CHECK): Use enum.
508         (DECL_DECOMPOSITION_P): Use selector value.
509         (SET_DECL_DECOMPOSITION_P): Delete.
510         (retrofit_lang_decl): Lose SEL parm.
511         (fit_decomposition_lang_decl): Declare.
512         * decl.c (cp_finish_decomp, grokdeclarator): Use
513         fit_decomposition_lang_decl.
514         * lex.c (maybe_add_lang_decl_raw): New. Broken out of
515         retrofit_lang_decl.
516         (set_decl_linkage): New.  Broken out of retrofit_lang_decl.  Use enum.
517         (fit_decomposition_lang_decl): Likewise.
518         (retrofit_lang_decl): Use worker functions.
519         (cxx_dup_lang_specific_decl): Use selector enum.
520         (maybe_add_lang_type_raw): New.  Broken out of ...
521         (cxx_make_type_name): ... here.  Call it.
523 2017-05-30  Jason Merrill  <jason@redhat.com>
525         PR c++/80856 - ICE with local extern in template
526         * semantics.c (finish_call_expr): Replace a local extern overload
527         set in a template with the IDENTIFIER_NODE.
529 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
531         * call.c (perform_implicit_conversion_flags): Convert
532         "from %qT to %qT" to "from %qH to %qI" in diagnostic.
533         (print_conversion_rejection): Replace pairs of %qT with
534         %qH and %qI in various places.
535         (build_user_type_conversion_1): Likewise.
536         (build_integral_nontype_arg_conv): Likewise.
537         (build_conditional_expr_1): Likewise.
538         (convert_like_real): Likewise.
539         (convert_arg_to_ellipsis): Likewise.
540         (joust): Likewise.
541         (initialize_reference): Likewise.
542         * cvt.c (cp_convert_to_pointer): Likewise.
543         (cp_convert_to_pointer): Likewise.
544         (convert_to_reference): Likewise.
545         (ocp_convert): Likewise.
546         * error.c (cp_printer): Gain bool and const char ** parameters.
547         (struct deferred_printed_type): New struct.
548         (class cxx_format_postprocessor): New class.
549         (cxx_initialize_diagnostics): Wire up a cxx_format_postprocessor
550         to pp->m_format_postprocessor.
551         (comparable_template_types_p): New function.
552         (newline_and_indent): New function.
553         (arg_to_string): New function.
554         (print_nonequal_arg): New function.
555         (print_template_differences): New function.
556         (type_to_string_with_compare): New function.
557         (print_template_tree_comparison): New function.
558         (append_formatted_chunk): New function.
559         (add_quotes): New function.
560         (cxx_format_postprocessor::handle): New function.
561         (defer_phase_2_of_type_diff): New function.
562         (cp_printer): Add "quoted" and "buffer_ptr" params.  Implement
563         %H and %I.
564         * typeck.c (cp_build_binary_op): Replace pairs of %qT with
565         %qH and %qI in various places.
566         (convert_member_func_to_ptr): Likewise.
567         (build_reinterpret_cast_1): Likewise.
568         (convert_for_assignment): Likewise.
569         * typeck2.c (check_narrowing): Likewise.
571 2017-05-30  Nathan Sidwell  <nathan@acm.org>
573         Kill IDENTIFIER_NAMESPACE_BINDINGS
574         * cp-tree.h (lang_identifier): Delete namespace_bindings.
575         (IDENTIFIER_NAMESPACE_BINDINGS): Delete.
576         (lang_decl_ns): Add bindings.
577         (DECL_NAMESPACE_BINDINGS): New.
578         * lex.c (retrofit_lang_decl): Create namespace hash table.
579         * name-lookup.c (find_namespace_slot): Change to use hash-map.
580         * ptree.c (cxx_print_binding): Delete.
581         (cxx_print_identifier): Remove NAMESPACE_BINDING printing.
583         * cp-tree.def (OVERLOAD): Fix comment.
584         * cp-tree.h: Fix comments and whitespace.
585         * error.c (dump_decl): Use pp_cxx_colon_colon, ovl_scope.
586         * name-lookup.c (add_decl_to_level): Assert not class.
587         (check_local_shadow): Use OVL_P.
588         (pushdecl_with_scope_1): Rename to ...
589         (do_pushdecl_with_Scope): ... here.
590         (do_nonmember_using_decl): Use qualified_namespace_lookup return
591         value.
592         (push_class_level_binding_1): Use OVL_P.
593         (pushdecl_namespace_level): Use do_pushdecl_with_scope.
594         (pushtag_1): Rename to ...
595         (do_pushtag): ... here.  Adjust do_pushdecl_with_scope call.
596         (pushtag): Adjust.
597         (store_class_bindings): Do not time here.
598         * name-lookup.h (pushdecl_outermost_localscope): Reorder.
599         * pt.c (listify): Declare argvec at point of initialization.
601         PR c++/80913
602         * name-lookup.c (add_decl_to_level): Assert not making a circular
603         chain.
604         (update_binding): Don't prematurely slide artificial decl.
606 2017-05-29  Alexandre Oliva <aoliva@redhat.com>
608         * cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
610 2017-05-29  Nathan Sidwell  <nathan@acm.org>
612         PR c++/80891 (#1,#5)
613         * cp-tree.h (lookup_maybe_add): Add DEDUPING argument.
614         * name-lookup.c (name_lookup): Add deduping field.
615         (name_lookup::preserve_state, name_lookup::restore_state): Deal
616         with deduping.
617         (name_lookup::add_overload): New.
618         (name_lookup::add_value, name_lookup::add_fns): Call add_overload.
619         (name_lookup::search_adl): Set deduping.  Don't unmark here.
620         * pt.c (most_specialized_instantiation): Revert previous change,
621         Assert not given duplicates.
622         * tree.c (lookup_mark): Just mark the underlying decls.
623         (lookup_maybe_add): Dedup using marked decls.
625         PR c++/80891 (#4)
626         * ptree.c (cxx_print_xnode): Show internal OVERLOAD structure.
627         * tree.c (ovl_insert, ovl_iterator_remove_node): Fix copying assert.
629         Stat hack representation
630         * name-lookup.c (STAT_HACK_P, STAT_TYPE, STAT_DECL,
631         MAYBE_STAT_DECL, MAYBE_STAT_TYPE): New.
632         (stat_hack): New.
633         (find_namespace_binding): Replace with ...
634         (find_namespace_slot): ... this.
635         (find_namespace_value): New.
636         (name_lookup::search_namespace_only,
637         name_lookup::adl_namespace_only): Adjust.
638         (update_binding): Add SLOT parameter, adjust.
639         (check_local_shadow): Use find_namespace_value.
640         (set_local_extern_decl_linkage): Likewise.
641         (do_pushdecl): Adjust for namespace slot.
642         (push_local_binding): Assert not a namespace binding.
643         (check_for_out_of_scope_variable): Use find_namespace_value.
644         (set_identifier_type_value_with_scope): Likewise.
645         (get_namespace_binding): Likewise.
646         (set_namespace_binding): Delete.
647         (set_global_binding): Directly update the binding.
648         (finish_namespace_using_decl): Likewise.
649         (lookup_type_scope_1): Use find_namespace_slot and update.
650         (do_push_nested_namespace): Use find_namespace_value.
652         PR c++/80891 (#1)
653         * pt.c (most_specialized_instantiation): Cope with duplicate
654         instantiations.
656         PR c++/80891 (#3)
657         * cp-tree.h (build_min_nt_call_vec): Declare.
658         * decl.c (build_offset_ref_call_from_tree): Call it.
659         * parser.c (cp_parser_postfix_expression): Likewise.
660         * pt.c (tsubst_copy_and_build): Likewise.
661         * semantics.c (finish_call_expr): Likewise.
662         * tree.c (build_min_nt_loc): Keep unresolved lookups.
663         (build_min): Likewise.
664         (build_min_non_dep): Likewise.
665         (build_min_non_dep_call_vec): Likewise.
666         (build_min_nt_call_vec): New.
668         PR c++/80891 (#2)
669         * tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
670         (ovl_used): New.
671         (lookup_keep): Call it.
673 2017-05-26  Nathan Sidwell  <nathan@acm.org>
675         Implement DR2061
676         * name-lookup.c (push_inline_namespaces): New.
677         (push_namespace): Look inside inline namespaces.
679         Inline and using namespace representation change.
680         * cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
681         inlinees as vector.
682         (DECL_NAMESPACE_USING): Adjust.
683         (DECL_NAMESPACE_INLINEES): New.
684         * name-lookup.h (struct cp_binding_level): Change usings
685         representation.
686         * name-lookup.c (name_lookup::do_queue_usings,
687         name_lookup::queue_usings): Adjust.
688         (name_lookup::search_namespace, name_lookup::search_usings,
689         name_lookup::queue_namespace): Adjust.
690         (name_lookup::adl_namespace_only): Adjust.
691         (add_using_namespace, push_namespace): Push onto vector.
692         (pop_namespace): Add timing logic.
694         * call.c (build_operator_new_call): Do namelookup and ADL here.
695         (build_new_op_1): Likewise.
696         * name-lookup.h (lookup_function_nonclass): Delete declaration.
697         (do_using_directive): Likewise.
698         * name-lookup.c (set_namespace_binding, push_local_binding): Don't
699         declare early.
700         (struct scope_binding): Delete.
701         (EMPTY_SCOPE_BINDING): Delete.
702         (set_decl_namespace): Use OVL_P.
703         (finish_local_using_decl): Lose unnecesary checks.
704         (lookup_function_nonclass): Delete.
705         (cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
707         * cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
708         (ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
709         unduplicatable.
710         (ovl_iterator::maybe_push, ovl_iterator::pop): New.
711         (lkp_iterator): Add outer field.  Adjust ctor.
712         (lkp_iterator::operator++): New.
713         (lookup_mark, lookup_maybe_add): Declare.
714         * name-lookup.c (name_lookup): Delete fn_set member.
715         (name_lookup::preserve_state, name_lookup::restore_state): Unmark
716         and mark lookup.
717         (name_lookup::add_value): Use lookup_add directly.
718         (name_lookup::add_fns: Use lookup_maybe_add.
719         (name_lookup::search_adl): Mark and unmark fns.
720         (pushdecl): Adjust.
721         * pt.c (check_explicit_specialization): Use lookup_add directly.
722         * ptree.c (cxx_print_xnode): Show complete overload structure.
723         * tree.c (lookup_mark, lookup_maybe_add): New.
725         * name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
727 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
729         * cp-tree.h (struct lang_decl_decomp): New type.
730         (struct lang_decl): Add u.decomp.
731         (LANG_DECL_DECOMP_CHECK): Define.
732         (DECL_DECOMPOSITION_P): Note it is set also on the vars
733         for user identifiers.
734         (DECL_DECOMP_BASE): Define.
735         (retrofit_lang_decl): Add extra int = 0 argument.
736         * lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
737         use it to influence the selector choices and for selector
738         0 to non-zero transition copy old content.
739         (cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
740         * decl.c (poplevel): For DECL_DECOMPOSITION_P, check
741         !DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
742         wording if decl is a structured binding.
743         (cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
744         Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
745         of individual variables for tuple structured bindings.
746         (grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
747         Clear DECL_DECOMP_BASE.
748         * decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
749         * pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
750         is expected.
751         * expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
752         DECL_VALUE_EXPR.
754 2017-05-25  Jason Merrill  <jason@redhat.com>
756         PR c++/80605 - __is_standard_layout and zero-length array
757         * class.c (check_bases): Use DECL_FIELD_IS_BASE.
759 2017-05-25  Nathan Sidwell  <nathan@acm.org>
761         Kill OVL_CURRENT, OVL_NEXT.
762         * cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
763         * name-lookup.c (set_decl_namespace): Use ovl_iterator.
764         (consider_binding_level): Use OVL_FIRST.
765         (cp_emit_debug_info_for_using): Use lkp_iterator.
766         * pt.c (check_explicit_specialization): Use ovl_iterator.       
768         Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
769         * cp-tree.h (lang_decl_ns): Remove ns_users field.
770         (DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
771         (TREE_INDIRECT_USING): Delete.
772         * name-lookup.h (is_associated_namespace): Delete.
773         * name-lookup.c (name_lookup::search_usings,
774         name_lookup::do_queue_usings): Usings are always direct.
775         (is_associated_namespace): Delete.
776         (handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
777         (namespace_ancestor_1, namespace_ancestor): Delete.
778         (push_using_directive_1, push_using_directive): Delete.
779         (add_using_namespace_1): Delete.
780         (add_using_namespace): Reimplement.
781         (emit_debug_info_using_namespace): New.
782         (finish_namespace_using_directive, finish_local_using_directive,
783         push_namespace): Adjust.
784         * tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
786 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
788         * semantics.c (finish_handler_parms): Warn about non-reference type
789         catch handlers.
791 2017-05-25  Nathan Sidwell  <nathan@acm.org>
793         Reimplement unqualified namespace lookup.
794         * name-lookup.c (name_lookup::using_pair,
795         name_lookup::using_queue): New typedefs.
796         (name_lookup::queue_namespace, name_lookup::do_queue_usings,
797         name_lookup::queue_usings): New.
798         (name_lookup::search_unqualified): New.
799         (merge_functions, same_entity_p, ambiguous_decl,
800         unqualified_namespace_lookup_1, unqualified_namespace_lookup,
801         lookup_using_namespace): Delete.
802         (lookup_name_real_1): Adjust.
804         Reimplement qualified namespace lookup.
805         * name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
806         (name_lookup::ambiguous, name_lookup::add_value,
807         name_lookup::add_type, name_lookup::process_binding): New.
808         (name_lookup::search_namespace_only,
809         name_lookup::search_namespace, name_lookup::search_usings): New.
810         (name_lookup::search_qualified): New.
811         (do_nonmember_using_decl, suggest_alternatives_for,
812         lookup_qualified_name): Adjust.
813         (tree_vec_contains): Delete.
814         (qualified_lookup_using_namespace): Rename to ...
815         (qualified_namespace_lookup): ... here.  Reimplement.
817         Reimplement ADL.
818         * cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
819         * name-lookup.h (lookup_arg_dependent): Return plain tree.
820         * name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
821         arg_assoc_args_vec, arg_assoc_type, add_function,
822         arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
823         arg_assoc_class, arg_assoc_template_arg, arg_assoc,
824         lookup_arg_dependent_1): Delete.
825         (name_lookup): New lookup object.
826         (name_lookup::preserve_state, name_lookup::restore_state,
827         name_lookup::mark_seen, name_lookup::find_and_mark,
828         name_lookup::add_fns, name_lookup::adl_namespace_only,
829         name_lookup::adl_namespace, name_lookup::adl_class_only,
830         name_lookup::adl_bases, name_lookup::adl_class,
831         name_lookup::adl_expr, name_lookup::adl_type,
832         name_lookup::adl_template_arg, name_lookup::search_adl): New.
833         (lookup_arg_dependent): Return a plain tree.  Adjust.
834         (is_associated_namespace): Move later.
835         
836 2017-05-24  Nathan Sidwell  <nathan@acm.org>
838         * friend.c (do_friend): Remove check for existing decl.
839         * name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
840         * name-lookup.c (push_local_binding): Directly look for binding.
841         (lookup_name_innermost_nonclass_level_1): Delete.
842         (lookup_name_innermost_nonclass_level): Delete.
844         * Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
846         * cp-tree.h (cp_free_lang_data): Add extern.
847         (ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
848         ATTRIBUTE_PURE.
849         (type_unknown_p): Return bool, make inline, lose TREE_LIST check.
850         * typeck.c (type_unknown_p): Delete.
851         * tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
852         overload management.
853         (dependent_name): Likewise.
854         (decl_anon_ns_mem_p): Simplify.
856 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
858         PR c++/80544
859         * tree.c (reshape_init): Use unqualified type for direct enum init.
860         * typeck.c (maybe_warn_about_cast_ignoring_quals): New.
861         (build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
862         non-class destination types.
863         (build_const_cast_1): Strip cv-quals from destination types.
864         (build_static_cast, build_reinterpret_cast, build_const_cast)
865         (cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
867 2017-05-24  Martin Sebor  <msebor@redhat.com>
869         PR c/80731
870         * call.c (fully_fold_internal): Adjust.
872 2017-05-24  Nathan Sidwell  <nathan@acm.org>
874         * cp-tree.h (ovl_skip_hidden): Declare.
875         * tree.c (ovl_skip_hidden): New.
876         * name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
877         (lookup_arg_dependent_1): Likewise.
878         (ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
879         (hidden_name_p, remove_hidden_names): Delete.
880         (lookup_name_real_1): Do not strip hidden names.
881         * name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
883         * cp-tree.h (OVL_HIDDEN_P): New.
884         (ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
885         (ovl_iterator::reveal_node): Declare.
886         * tree.c (ovl_copy): Copy OVL_HIDDEN_P.
887         (ovl_insert): Order on hiddenness.
888         (ovl_iterator::reveal_node): New.
889         * name-lookup.c (anticipated_builtin_p): New.
890         (supplement_binding_1): Use it.
891         (set_local_extern_decl_linkage): Use hidden_p.
892         (do_pushdecl): Deal with unhiding a hidden decl, use
893         anticipated_builtin_p.
894         (do_nonmember_using_decl): Use anticipated_decl_p.
895         (lookup_name_real_1): Use DECL_HIDDEN_P.
897 2017-05-23  Jason Merrill  <jason@redhat.com>
899         -Wunused and C++17 structured bindings
900         * decl.c (poplevel): Don't warn about unused structured bindings,
901         only real variables.
902         * error.c (dump_simple_decl): Handle structured bindings.
903         * expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
905 2017-05-23  Nathan Sidwell  <nathan@acm.org>
907         * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
908         * name-lookup.c (create_local_binding): New.
909         (update_binding): New.
910         (pushdecl_maybe_friend_1): Rename to ...
911         (do_pushdecl): ... this.  Reimplement.
912         (pushdecl): Adjust.
913         (push_overloaded_decl_1, push_overloaded_decl): Delete.
915 2017-05-23  Jason Merrill  <jason@redhat.com>
917         PR c++/80396 - built-in for make_integer_sequence.
918         * pt.c (builtin_pack_fn_p, builtin_pack_call_p)
919         (expand_integer_pack, expand_builtin_pack_call): New.
920         (find_parameter_packs_r): Check builtin_pack_call_p.
921         (check_for_bare_parameter_packs): Handle it.
922         (tsubst_pack_expansion): Call expand_builtin_pack_call.
923         (declare_integer_pack): New.
924         (init_template_processing): Call it.
925         * decl2.c (mark_used): Check builtin_pack_fn_p.
927 2017-05-23  Nathan Sidwell  <nathan@acm.org>
929         * name-lookup.c (find_namespace_binding): New.
930         (pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
931         (set_identifier_type_value_with_scope): Use find_namespace_binding.
932         (find_binding, cp_binding_level_find_binding_for_name,
933         binding_for_name, namespace_binding_1): Delete.
934         (push_overloaded_decl_1): Use CP_DECL_CONTEXT.
935         (get_namespace_binding, set_namespace_binding,
936         finish_namespace_using_decl, unqualified_namespace_lookup_1,
937         qualified_lookup_using_namespace, lookup_type_scope_1,
938         lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
940         PR c++/80866
941         * parser.c (cp_parser_template_id): Keep the lookup when stashing
942         the template_id.
944         * cp-tree.h (DECL_HIDDEN_P): New.
945         * name-lookup.c (set_decl_context,
946         set_local_extern_decl_linkage): New, broken out of ...
947         (pushdecl_maybe_friend_1): ... here.  Call them.
949 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
951         * parser.c (OACC_KERNELS_CLAUSE_MASK): Add
952         "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
953         "VECTOR_LENGTH".
955 2017-05-23  Nathan Sidwell  <nathan@acm.org>
957         * cp-tree.h (OVL_P): New.
958         * name-lookup.h (push_local_binding): Delete.
959         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
960         (finish_namespace_using_decl, finish_local_using_decl): ... here
961         * name-lookup.c (add_decl_to_level): Swap args.
962         (pop_bindings_and_leave_scope): Look inside TREE_LIST.
963         (diagnose_name_conflict): Check contexts are same for redecl.
964         (update_local_overload): New.
965         (compparms_for_decl_and_using): Rename to ...
966         (matching_fn_p): ... here.
967         (pushdecl_maybe_friend_1): Adjust add_decl_to_level,
968         push_local_bindings call.
969         (push_local_binding): Make static, replace FLAGS arg with
970         IS_USING.
971         (validate_nonmember_using_decl): Use OVL_FIRST.
972         (do_nonmember_using_decl): Use in/out parameters.  Use
973         lkp_iterator and simplify.
974         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
975         (finish_namespace_using_decl, finish_local_using_decl): ... here.
976         Adjust.
977         (lookup_type_current_level): Delete.
978         * parser.c (cp_parser_using_declaration): Adjust.
979         * pt.c (tsubst_expr): Adjust.
981 2017-05-22  Nathan Sidwell  <nathan@acm.org>
983         * name-lookup.h (parse_using_directive): Replace with ...
984         (finish_namespace_using_directive): ... this and ...
985         (finish_local_using_directive): ... this.
986         * name-lookup.c (add_using_namespace_1): Move later.
987         (add_using_namespace): Move later, add namespace_p arg, remove
988         indirect arg.
989         (push_using_directive_1): Directly recurse.
990         (do_using_directive, parse_using_directive): Delete, split into ...
991         (finish_namespace_using_directive): ... this and ...
992         (finish_local_using_directive): ... this.
993         (push_namespace): Use add_using_namespace.
994         * parser.c (cp_parser_using_directive): Call
995         finish_namespace_using_directive or finish_local_using_directive.
996         * pt.c (tsubst_expr): Call finish_local_using_directive.
998         * cp-objcp-common.c (cp_register_dumps): Register raw dumper.
999         * cp-tree.h (raw_dump_id): Declare.
1000         * decl2.c (raw_dump_id): Define.
1001         (dump_tu): Use raw_dump_id.
1003         * config-lang.in (gtfiles): Sort list, break lines.
1005         * cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
1006         (CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
1007         ( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
1008         CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
1009         CPTI_RETHROW_FN): New.
1010         (noexcept_deferred_spec): New.
1011         (terminate_node, call_unexpected_node): Rename to ...
1012         (terminate_fn, call_unexpected_fn): ... here.
1013         (get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
1014         allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
1015         * except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
1016         (init_exception_processing): Adjust.
1017         (declare_library_fn): Create and push the fns here.
1018         (do_get_exception_ptr, do_begin_catch, do_end_catch,
1019         do_allocate_exception_ptr, do_free_exception_ptr): Adjust
1020         declare_library_fn use.
1021         (unevaluated_noexcept_spec): Adjust.
1022         * cp-gimplify.c (genericize_eh_spec_block,
1023         gimplify_most_not_throw_expr): Adjust.
1025         * name-lookup.c (pushdecl_top_level,
1026         pushdecl_top_level_and_finish): Move after namespace pushing and
1027         popping functions.
1028         (push_to_top_level): Rename to ...
1029         (do_push_to_top_level): ... here.  Remove timing code.
1030         (pop_from_top_level_1): Rename to ...
1031         (do_pop_from_top_level): ... here.
1032         (do_push_nested_namespace, do_pop_nested_namespace)
1033         (push_to_top_level): New wrapper for do_push_to_top_level.
1034         (pop_from_top_level): Adjust.
1035         (push_nested_namepace, pop_nested_namespace): Wrappers for workers.
1037 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1039         * config-lang.in (gtfiles): Add c-family/c-format.c,
1040         except.c, init.c, lambda.c and friend.c.
1041         * class.c (dvirt_fn): Move out of function scope,
1042         add GTY attribute.
1043         * except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
1044         * init.c (fn): Likewise.
1045         * lambda.c (ptr_id, max_id): Likewise.
1046         * friend.c (global_friend): Add GTY attribute.
1048 2017-05-19  Nathan Sidwell  <nathan@acm.org>
1050         * call.c (add_list_candidates): Use OVL_FIRST.
1051         (build_new_method_call_1): Likewise.
1052         * cp-tree.h (OVL_SINGLE_P): New.
1053         (TYPE_HIDDEN_P): New.
1054         * decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
1055         * dump.c (cp_tump_tree): Adjust overload dumping.
1056         * error.c (dump_decl): Use OVL_SINGLE_P, simplify context
1057         printing.
1058         * method.c (lazily_declare_fn): Assert we added it.
1059         * parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
1060         OVL_FIRST.
1061         (cp_parser_template_name): Use lkp_iterator.
1062         * pt.c (begin_template_parm_list): Fixup comment.
1063         (instantiate_class_template_1): Use TYPE_HIDDEN_P.
1064         * tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
1065         (ovl_scope): Use lkp_iterator.
1067 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
1069         * parser.c (cp_parser_omp_clause_default): Handle
1070         "OMP_CLAUSE_DEFAULT_PRESENT".
1072         * parser.c (cp_parser_omp_clause_default): Avoid printing more
1073         than one syntax error message.
1075 2017-05-19  Nathan Sidwell  <nathan@acm.org>
1077         * class.c (class_dump_id): Define.
1078         (dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
1079         * cp-objcp-common.c (cp_register_dumps): New.
1080         * cp-objcp-common.h (cp_register_dumps): Declare.
1081         (LANG_HOOKS_REGISTER_DUMPS): Override.
1082         * cp-tree.h (class_dump_id): Declare.
1084 2017-05-18  Nathan Sidwell  <nathan@acm.org>
1086         * cp-tree.h (OVL_ARG_DEPENDENT): Delete.
1087         (OVL_USED_P): New.
1088         (lookup_keep): Declare.
1089         * name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
1090         * pt.c (tsubst_copy): Assert lookup is persistent.
1091         * semantics.c (finish_call_expr): Use lkp_iterator, call
1092         lookup_keep.
1093         * tree.c (ovl_copy): New.
1094         (ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
1095         (lookup_keep): New.
1097         * cp-tree.h (OVL_USED): Replace with ...
1098         (OVL_USING_P): ... this.
1099         (ovl_iterator::using_p): Adjust.
1100         * name-lookup.c (push_overloaded_decl_1,
1101         do_nonmember_using_decl): Adjust.
1102         * search.c (lookup_field_r): Adjust.
1103         * tree.c (ovl_insert, ovl_scope): Adjust.
1105         * cp-tree.h (lookup_add): Swap args.
1106         (ovl_cons, build_overload): Delete.
1107         * name-lookup.c (add_function, push_overloaded_decl_1,
1108         do_nonmember_using_decl, merge_functions, remove_hidden_names):
1109         Use lookup_add, ovl_insert.
1110         * pt.c (check_explicit_specialization): Use lookup_add.
1111         (do_class_deduction): Likewise. Refactor if.
1112         * tree.c (lookup_add): Swap args.
1113         (ovl_cons, build_overload): Delete.
1115         * name-lookup.c (find_local_binding): New, broken out of ...
1116         (lookup_name_innermost_nonclass_level_1): ... here.  Call it.
1117         (set_namespace_binding): Swap scope & name args.
1118         (namespace_binding_1): Likewise.
1119         (pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
1120         (push_overloaded_decl_1): Likewise.
1121         (set_global_binding): Likewise.
1122         (get_namespace_binding): Adjust namespace_binding_1 call.
1124 2017-05-17  Nathan Sidwell  <nathan@acm.org>
1126         * cp-tree.h (default_hash_traits <lang_identifier *>): New
1127         specialization.
1128         * name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
1129         (extern_c_fns): New hash table.
1130         (check_extern_c_conflict): New, broken out of ...
1131         (pushdecl_maybe_friend_1): ... here.  Call it.
1132         (c_linkage_bindings): Just look in hash table.
1134 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1136         PR c++/80654
1137         PR c++/80682
1138         Implement new C++ intrinsics __is_assignable and __is_constructible.
1139         * cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
1140         (is_xible): New.
1141         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1142         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
1143         * method.c (constructible_expr): Set cp_unevaluated.
1144         (is_xible_helper): New.
1145         (is_trivially_xible): Adjust.
1146         (is_xible): New.
1147         * parser.c (cp_parser_primary_expression): Handle
1148         RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
1149         (cp_parser_trait_expr): Likewise.
1150         * semantics.c (trait_expr_value): Handle
1151         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
1153 2017-05-17  Nathan Sidwell  <nathan@acm.org>
1155         * cp-tree.h (ovl_iterator::using_p): New predicate.
1156         (ovl_iterator::remove_node): New worker.
1157         (ovl_insert): Declare.
1158         * tree.c (ovl_insert): New.
1159         (ovl_iterator::remove_node): New.
1160         * class.c (add_method): Use ovl_iterator, ovl_insert.
1161         (clone_function_decl): Fix description.
1162         (clone_constructors_and_destructors): Use ovl_iterator.
1164         * class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
1165         (maybe_warn_about_overly_private_class): Use ovl_iterator.
1166         (method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
1167         (resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
1168         (get_base_fndecls): Use ovl_iterator.
1169         (warn_hidden): Use OVL_NAME, ovl_iterator.
1170         (add_implicitly_declared_members): Use ovl_iterator.
1171         * constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
1172         flatten nested if.
1173         (finish_shorthand_constraint): Simplify, use ovl_make.
1174         * pt.c (make_constrained_auto): Simplify.  Use ovl_make.
1175         * search.c (shared_member_p): Use ovl_iterator.
1176         (lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
1177         (lookup_conversion_operator): Use OVL_FIRST.
1178         (lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
1179         (look_for_overrides_here): Use ovl_iterator.
1180         (lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
1181         * typeck.c (build_x_unary_op): Use ovl_make.
1183 2017-05-17  Martin Liska  <mliska@suse.cz>
1185         * class.c (dump_class_hierarchy): Introduce dump_flags_t type and
1186         use it instead of int type.
1187         (dump_vtable): Likewise.
1188         (dump_vtt): Likewise.
1189         * decl2.c (dump_tu): Likewise.
1191 2017-05-16  David Malcolm  <dmalcolm@redhat.com>
1193         * call.c (enforce_access): Add access_failure_info * param and use
1194         it to record access failures.
1195         * cp-tree.h (class access_failure_info): New class.
1196         (enforce_access): Add access_failure_info * param, defaulting to
1197         NULL.
1198         (lookup_member): Likewise.
1199         (locate_field_accessor): New function decl.
1200         (perform_or_defer_access_check): Add access_failure_info * param,
1201         defaulting to NULL.
1202         * search.c (lookup_member): Add access_failure_info * param and
1203         pass it on to call to perform_or_defer_access_check.
1204         (matches_code_and_type_p): New function.
1205         (field_access_p): New function.
1206         (direct_accessor_p): New function.
1207         (reference_accessor_p): New function.
1208         (field_accessor_p): New function.
1209         (struct locate_field_data): New struct.
1210         (dfs_locate_field_accessor_pre): New function.
1211         (locate_field_accessor): New function.
1212         * semantics.c (perform_or_defer_access_check): Add
1213         access_failure_info * param, and pass it on to call to
1214         enforce_access.
1215         * typeck.c (access_failure_info::record_access_failure): New method.
1216         (access_failure_info::maybe_suggest_accessor): New method.
1217         (finish_class_member_access_expr): Pass an access_failure_info
1218         instance to the lookup_member call, and call its
1219         maybe_suggest_accessor method afterwards.
1221 2017-05-16  Marek Polacek  <polacek@redhat.com>
1223         PR sanitizer/80536
1224         PR sanitizer/80386
1225         * cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
1227 2017-05-16  Nathan Sidwell  <nathan@acm.org>
1229         * name-lookup.c (check_local_shadow): New, broke out of ...
1230         (pushdecl_maybe_friend_1): ... here.  Call it.
1232         * cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
1233         (ovl_first): Move inline definition to end of file.
1234         (ovl_make, lookup_add): Declare.
1235         (get_fns, get_first_fn): Make pure.
1236         * tree.c (ovl_cache): New.
1237         (ovl_make, lookup_add): New.
1238         * pt.c (do_class_deduction): Don't add candidates that will be
1239         elided.
1241         * call.c (build_user_type_conversion_1): Use OVL_FIRST.
1242         (print_error_for_call_failure): Use OVL_NAME.
1243         (build_op_call_1): Use ovl_iterator.
1244         (add_candidates): Use OVL_FIRST & lkp_iterator.
1245         (build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
1246         lkp_iterator.
1247         * class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
1248         (type_has_user_nondefault_constructor,
1249         in_class_defaulted_default_constructor,
1250         type_has_user_provided_constructor,
1251         type_has_user_provided_or_explicit_constructor,
1252         type_has_non_user_provided_default_constructor,
1253         vbase_has_user_provided_move_assign,
1254         type_has_move_constructor, type_has_move_assign,
1255         type_has_user_declared_move_constructor,
1256         type_has_user_declared_move_assign,
1257         type_build_ctor_call, type_build_dtor_call,
1258         type_requires_array_cookie, explain_non_literal_class): Likewise.
1259         (finish_struct): Use lkp_iterator.
1260         (resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
1261         (note_name_declared_in_class): Use OVL_NAME.
1262         * cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
1263         (pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
1264         cxx_pretty_printer::expression): Likewise.
1265         * decl2.c (check_classfn): Use ovl_iterator.
1266         * pt.c (retrieve_specialization): Use ovl_iterator.
1267         * tree.c (cp_tree_equal): Use lkp_iterator.
1268         (type_has_nontrivial_copy_init): Use ovl_iterator.
1270         * typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
1271         check is_overloaded_fn.
1273 2017-05-16  Martin Liska  <mliska@suse.cz>
1275         * parser.c (cp_lexer_print_token): Add default value for flags
1276         argument of print_gimple_stmt, print_gimple_expr,
1277         print_generic_stmt and print_generic_expr.
1279 2017-05-16  Nathan Sidwell  <nathan@acm.org>
1281         * cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
1282         iterators.
1283         (MAYBE_BASELINK_FUNCTIONS): New.
1284         * constraint.cc (resolve_constraint_check): Use lkp_iterator.
1285         * decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
1286         * lambda.c (maybe_generic_this_capture): Use lkp_iterator.
1287         * method.c (inherited_ctor_binfo): Use ovl_iterator.
1288         (binfo_inherited_from): Likewise.
1289         * parser.c (lookup_literal_operator): Use lkp_iterator.
1290         * pt.c (iterative_hash_template_arg): Use lkp_iterator.
1291         (print_candidates_1): Likewise.
1292         (determine_specialization): Likewise.
1293         (resolve_overloaded_unification): Likewise.
1294         (resolve_nondeduced_context): Likewise.
1295         (type_dependent_expression_p): Likewise.
1296         (dependent_template_p): Likewise.
1297         * ptree.c (cxx_print_xnode): Likewise.
1298         * semantics.c (omp_reduction_lookup): Use lkp_iterator.
1299         (classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
1300         * typeck.c (check_template_keyword): Use lkp_iterator.
1302         * cp-tree.h (OVL_FIRST, OVL_NAME): New.
1303         (ovl_first): New.
1304         * constexpr.c (function_concept_check): Use OVL_FIRST.
1305         * cvt.c (build_expr_type_conversion): Likewise.
1306         * decl.c (poplevel, grokdeclarator): Use OVL_NAME.
1307         * decl2.c (mark_used): Use OVL_FIRST.
1308         * error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
1309         (dump_expr, location_of): Use OVL_FIRST.
1310         * friend.c (do_friend): Use OVL_NAME.
1311         * init.c (build_offset_ref): Use OVL_FIRST.
1312         * mangle.c (write_member_name): Likewise.
1313         (write_expression): Use OVL_NAME.
1314         * method.c (strip_inheriting_ctors): Use OVL_FIRST.
1315         * name-lookup.c (pushdecl_class_level): Use OVL_NAME.
1316         * pt.c (check_explicit_specialization): Use OVL_FIRST.
1317         (check_template_shadow): Likewise.
1318         (tsubst_template_args): Use OVL_NAME.
1319         (tsubst_baselink): Use OVL_FIRST.
1320         * semantics.c (perform_koenig_lookup): Use OVL_NAME.
1321         * tree.c (get_first_fn): Use OVL_FIRST.
1322         * typeck.c (finish_class_member_access_expr): Use OVL_NAME.
1323         (cp_build_addr_expr_1): Use OVL_FIRST.
1325         * pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
1326         peeking.
1327         * semantics.c (finish_id_expression): Directly init local var.
1328         (finish_omp_reduction_clause): Use really_overloaded_fn.
1329         * tree.c (get_fns): Document.  Assert we got an overload.
1330         (get_first_fn) Document.
1331         * typeck.c (cp_build_addr_expr_1): Pass arg directly to
1332         really_overloaded_fn.
1333         * typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
1335         * cp-tree.h (SCOPE_DEPTH): New.
1336         * name-lookup.h (is_nested_namespace): Declare.
1337         * name-lookup.c (is_nested_namespace): New.
1338         (is_ancestor): Use it.
1339         (set_decl_namespace): Likewise.
1340         (push_namespace): Set SCOPE_DEPTH.
1341         * pt.c (check_specialization_namespace): Use is_nested_namespace.
1342         (check_unqualigied_spec_or_inst): Likewise.
1344 2017-05-15  Nathan Sidwell  <nathan@acm.org>
1346         PR c++/79369
1347         * cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
1348         * name-lookup.h (push_namespace): Return int, add make_inline arg.
1349         * name-lookup.c (push_namespace): Deal with inline directly.
1350         Return pushed count.
1351         * parser.c (cp_parser_namespace_definition): Adjust for
1352         push_namespace change.
1354 2017-05-11  Nathan Sidwell  <nathan@acm.org>
1356         * cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
1357         LANG_HOOKS_PUSHDECL): Move to ...
1358         * cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
1359         LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
1360         * cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
1362         * name-lookup.h (pushdecl): Add default friend parm.
1363         (pushdecl_maybe_friend): Delete.
1364         (pushdecl_top_level): Add default friend parm.
1365         (pushdecl_top_level_maybe_friend): Delete.
1366         * name-lookup.c (pushdecl_maybe_friend): Delete.
1367         (pushdecl): Add is_friend parm.
1368         (pushdecl_top_level): Add is friend_parm.
1369         (pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
1370         (pushdecl_top_level_and_finish): Do pushing and finishing directly.
1371         * friend.c (do_friend): Adjust.
1372         * pt.c (tsubst_friend_class): Adjust.
1374         Revert pushdecl_top_level_and_finish name change.
1375         * name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
1376         * name-lookup.c (pushdecl_top_level_and_finish): Likewise.
1377         * decl.c (cp_make_fname_decl): Adjust.
1378         * decl2.c (get_guard, handle_tls_init):  Adjust.
1379         * rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
1381         * name-lookup.c (pushdecl_outermost_localscope): Always
1382         conditionally stop timer.
1384         * decl.c (xref_tag_1): Don't frob ts_lambda scope here.
1385         * name-lookup.c (pushtag_1): Deal with ts_lambda scope.
1387         * cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
1388         pushtag_top_level_maybe_friend,
1389         pushdecl_top_level_and_finish): Move declarations to ...
1390         * name-lookup.h: ... here.  Group pushdecl variants.
1391         (pushdecl_top_level_and_finish): Rename to ...
1392         (pushdecl_top_level_with_init): ... here.
1393         * decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
1394         * decl2.c (get_guard, handle_tls_init): Likewise.
1395         * rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
1396         * lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
1397         * method.c (implicitly_declare_fn): Likewise.
1398         * searchc (node_debug_info_needed): Likewise.
1399         * name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
1400         (pushdecl_top_level_with_init): ... here.
1401         (pop_everything): Use namespace_bindings_p.
1403         * name-lookup.h (pop_binding): Rename to pop_local_binding.
1404         (getdecls): Rename to get_local_decls.
1405         * name-lookup.c (pop_binding): Rename to ...
1406         (pop_local_binding): ... here.
1407         (pop_bindings_and_leave_scope): Adjust.
1408         (getdecls): Rename to ...
1409         (get_local_decls): ... here.  Assert local scope.
1410         * decl.c (poplevel): Assert not namespace.  Adjust and simplify
1411         logic.
1412         (store_parm_decls): Adjust get_local_decls call.
1413         (parser.c (synthesize_implicit_template_parm): Likewise.
1415 2017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
1417         PR c++/80682
1418         * method.c (is_trivially_xible): Reject void types.
1420 2017-05-10  Nathan Sidwell  <nathan@acm.org>
1422         * class.c (handle_using_decl): Always use OVL_CURRENT.
1423         (resolve_address_of_overloaded_function): Move iterator decl into
1424         for scope.  Don't strip anticipated decls here.
1426         * pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
1427         printing.
1428         (print_candidates): Adjust.
1430         * cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
1431         line breaking.
1432         * call.c (build_new_function_call): Lose koenig_p arg.  Remove
1433         koenig_p handling here.
1434         * pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
1435         (tsubst_omp_clauses): Likewise.
1436         (do_class_deduction): Adjust buld_new_function_call calls.
1437         * semantics.c (finish_call_expr): Likewise.
1439 2017-05-10  Jason Merrill  <jason@redhat.com>
1441         * pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
1442         (unify_type_mismatch, unify_parameter_pack_mismatch)
1443         (unify_ptrmem_cst_mismatch, unify_expression_unequal)
1444         (unify_parameter_pack_inconsistent, unify_inconsistency)
1445         (unify_vla_arg, unify_method_type_error, unify_arity)
1446         (unify_arg_conversion, unify_no_common_base)
1447         (unify_inconsistent_template_template_parameters)
1448         (unify_template_deduction_failure)
1449         (unify_template_argument_mismatch)
1450         (unify_overload_resolution_failure): Call unify_invalid.
1452         CWG 1847 - Clarifying compatibility during partial ordering
1453         * pt.c (more_specialized_fn): No order between two non-deducible
1454         parameters.
1456         * pt.c (dependent_type_p): Make sure we aren't called with
1457         global_type_node.
1459         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
1460         * pt.c (convert_template_argument): Just return an argument pack.
1461         (coerce_template_parameter_pack, template_parm_to_arg)
1462         (extract_fnparm_pack, make_argument_pack, tsubst_template_args)
1463         (tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
1464         Don't set the type of a NONTYPE_ARGUMENT_PACK.
1465         * parser.c (make_char_string_pack, make_string_pack): Likewise.
1467 2017-05-10  Nathan Sidwell  <nathan@acm.org>
1469         * cp-tree.h (add_method, clone_function_decl): Change last arg to
1470         bool.
1471         * class.c (add_method): Change third arg to bool.  Adjust.
1472         (one_inheriting_sig, one_inherited_ctor): Adjust.
1473         (clone_function_decl): Change 2nd arg to bool.  Adjust.
1474         (clone_constructors_and_destructors): Adjust.
1475         * lambda.c (maybe_add_lambda_conv_op): Adjust.
1476         * method.c (lazily_declare_fn): Adjust.
1477         * pt.c (tsubst_decl, instantiate_template_1): Adjust.
1478         * semantics.c (finish_member_declaration): Adjust.
1480 2017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
1482         PR c++/80145
1483         * decl.c (finish_function): To improve error recovery, change the
1484         logic for calling apply_deduced_return_type.
1486 2017-05-09  Jason Merrill  <jason@redhat.com>
1488         PR c++/80605 - __is_standard_layout and empty base
1489         * class.c (check_bases): Ignore empty bases.
1491         PR c++/70979 - literal class and closure types
1492         * class.c (finalize_literal_type_property): Handle closures
1493         specifically.
1494         (explain_non_literal_class): Likewise.
1496         PR c++/66297, DR 1684 - literal class and constexpr member fns
1497         * constexpr.c (is_valid_constexpr_fn): Only complain about
1498         non-literal enclosing class in C++11.
1499         * class.c (finalize_literal_type_property): Likewise.
1501 2017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
1503         PR c++/80186
1504         * pt.c (tsubst_decl): Early return error_mark_node if
1505         grok_ctor_properties returns false.
1507 2017-05-09  Jason Merrill  <jason@redhat.com>
1509         PR c++/70167 - array prvalue treated as lvalue
1510         * cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
1511         (enum fcl_t): New.
1512         * semantics.c (finish_compound_literal): Add fcl_context parameter.
1513         Only make a static variable for C99 syntax.
1514         * parser.c (cp_parser_postfix_expression): Pass it.
1515         * pt.c (tsubst_copy_and_build): Likewise.
1516         * call.c (extend_ref_init_temps): Set
1517         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1519 2017-05-09  Nathan Sidwell  <nathan@acm.org>
1521         * cp-lang.c (get_global_decls, cxx_pushdecl): New.
1522         (LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
1523         * name-lookup.h (pushdecl_top_level): Declare.
1525 2017-05-08  Jason Merrill  <jason@redhat.com>
1527         PR c++/80178 - parameter passing for uncopyable classes
1528         * tree.c (type_has_nontrivial_copy_init): True for classes with only
1529         deleted copy/move ctors.
1530         (remember_deleted_copy, maybe_warn_parm_abi): New.
1531         * decl.c (require_complete_types_for_parms, check_function_type):
1532         Call maybe_warn_parm_abi.
1533         * call.c (convert_for_arg_passing, build_cxx_call): Likewise.
1535 2017-05-08  Nathan Sidwell  <nathan@acm.org>
1537         * decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
1538         (start_preparsed_function): Do decl pushing before setting
1539         current_funciton_decl and announcing it.
1541         * name-lookup.h (pushdecl_with_scope): Replace with ...
1542         (pushdecl_outermost_localscope): ... this.
1543         * name-lookup.c (pushdecl_with_scope): Replace with ...
1544         (pushdecl_outermost_localscope): ... this.
1545         (pushdecl_namespace_level): Adjust.
1546         * decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
1547         * lambda.c (insert_capture_proxy): Likewise.
1549         * class.c (build_vtbl_initializer): Don't shadow outer variable
1550         with static var.
1552         Revert _binding -> _value change.
1553         * name-lookup.h (get_namespace_value, set_global_value): Rename to ...
1554         (get_namespace_binding, set_global_binding): ... these.
1555         * name-lookup.c (get_namespace_value, set_global_value): Rename to ...
1556         (get_namespace_binding, set_global_binding): ... these.
1557         (arg_assoc_namespace, pushdecl_maybe_friend_1,
1558         check_for_out_of_scope_variable, push_overloaded_decl_1,
1559         lookup_name_innermost_nonclass_level, push_namespace): Adjust.
1560         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
1561         SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
1562         * decl.c (poplevel): Adjust.
1563         * pt.c (make_constrained_auto): Likewise.
1565 2017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
1567         PR translation/80280
1568         * call.c (print_z_candidate): Fix quoting.
1570 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
1572         * error.c (pedwarn_cxx98): Replace report_diagnostic
1573         with diagnostic_report_diagnostic.
1575 2017-05-05  Nathan Sidwell  <nathan@acm.org>
1577         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
1578         (SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
1579         (IDENTIFIER_NAMESPACE_VALUE): Delete.
1580         * name-lookup.h (namespace_binding, set_namespace_binding): Replace
1581         with ...
1582         (get_namespace_value, set_global_value): ... these.
1583         (get_global_value_if_present, is_typename_at_global_scope): Delete.
1584         * decl.c (poplevel): Use get_namespace_value.
1585         (grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
1586         * class.c (build_vtbl_initializer): Stash library decl in
1587         static var. Use IDENTIFIER_GLOBAL_VALUE.
1588         * except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
1589         do_allocate_exception, do_free_exception, build_throw): Likewise.
1590         * init.c (throw_bad_array_new_length): Likewise.
1591         * rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
1592         * name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
1593         check_for_our_of_scope_variable, push_overloaded_decl_1): Use
1594         get_namespace_value.
1595         (set_namespace_binding_1): Rename to
1596         (set_namespace_binding): ... here.
1597         (set_global_value): New.
1598         (lookup_name_innermost_nonclass_level_1, push_namespace): Use
1599         get_namespace_value.
1600         * pt.c (listify): Use get_namespace_value.
1602         * call.c (make_temporary_var_for_ref_to_temp): Push decl into
1603         current scope.
1604         * lex.c (unqualified_name_lookup_error): Likewise.
1606         * class.c (alter_class): Use retrofit_lang_decl directly.
1607         * decl.c (push_local_name, dupliate_decls): Likewise.
1608         * semantics.c (omp_privatize_field): Likewise.
1610         Kill walk_namespaces.
1611         * cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
1612         * decl.c (walk_namespaces_r, walk_namespaces): Delete.
1614         Kill per-namespace static_decls.
1615         * cp-tree.h (static_decls): Declare.
1616         (wrapup_globals_for_namespace,
1617         diagnose_inline_vars_for_namespace): Replace with ...
1618         (wrapup_namespace_globals): ... this.
1619         * decl.c (static_decls): Define.
1620         (wrapup_globals_for_namespace,
1621         diagnose_inline_vars_for_namespace): Replace with ...
1622         (wrapup_namespace_globals): ... this.
1623         (cxx_init_decl_processing): Initialize static_decls.
1624         * decl2.c (c_parse_final_cleanups): Adjust.
1625         * name-lookup.h (cp_binding_level): Remove static_decls member.
1626         * name-lookup.c (add_decl_to_level): Adjust.
1627         (begin_scope): Adjust.
1629 2017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
1631         PR c++/71577
1632         * decl.c (reshape_init): Unconditionally return error_mark_node
1633         upon error about too many initializers.
1635 2017-05-04  Nathan Sidwell  <nathan@acm.org>
1637         * constraint.cc (diagnose_check_constraint): Fix %E thinko.
1639 2017-05-04  Martin Sebor  <msebor@redhat.com>
1641         PR translation/80280
1642         * call.c (print_z_candidate): Add missing quoting to %D and other
1643         like directives.
1644         (build_op_call_1): Same.
1645         * constraint.cc (diagnose_check_constraint): Same.
1646         * mangle.c (mangle_decl): Same.
1647         * name-lookup.c (cp_binding_level_debug): Same.
1648         (set_decl_namespace): Same.
1649         * parser.c (cp_parser_tx_qualifier_opt): Same.
1650         * pt.c (print_candidates_1): Same.
1651         (check_template_variable): Same.
1652         (tsubst_default_argument): Same.
1653         (most_specialized_partial_spec): Same.
1654         * semantics.c (omp_reduction_lookup): Same.
1655         * tree.c (check_abi_tag_redeclaration): Same.
1656         * typeck.c (comptypes): Same.
1657         * typeck2.c (abstract_virtuals_error_sfinae): Same.
1659 2017-05-04  Nathan Sidwell  <nathan@acm.org>
1661         More global trees.
1662         * cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
1663         CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
1664         CPTI_INIT_LIST_IDENTIFIER.
1665         (global_namespace, global_type_node, global_identifier,
1666         anon_identifier, init_list_identifier): New.
1667         * decl.c (global_type_node, global_scope_name): Delete.
1668         (initialize_predefined_identifiers): Add new identifiers.
1669         (cxx_init_decl_processing): Adjust.
1670         * name-lookup.h (global_namespace, global_type_node): Delete.
1671         * name-lookup.c (global_namespace, anonymous_namespace_name,
1672         get_anonymous_namespace_name): Delete.
1673         (namespace_scope_ht_size, begin_scope, pushtag_1,
1674         push_namespace): Adjust,
1675         * call.c (type_has_extended_temps): Use init_list_identifier.
1676         * pt.c (listify): Likewise.
1678         * name-lookup.c: Reorder functions to make merging from modules
1679         branch simpler.
1681 2017-05-03  Jason Merrill  <jason@redhat.com>
1683         * constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
1685 2017-05-03  Nathan Sidwell  <nathan@acm.org>
1687         * cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
1688         along with #defines, to before name-lookup include.
1690 2017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
1692         * pt.c (is_auto_or_concept): Remove.
1693         (type_uses_auto_or_concept): Remove, unused.
1694         (find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
1695         * parser.c (tree_type_is_auto_or_concept): Remove, unused.
1696         * cp-tree.h (is_auto_or_concept): Remove.
1698 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1700         PR c++/80038
1701         * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
1702         add pedigree operation and detach call here.
1703         * cp-gimplify.c (cp_gimplify_expr): Remove the calls to
1704         cilk_cp_gimplify_call_params_in_spawned_fn.
1705         (cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
1706         * semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
1708 2017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
1710         * parser.c (cp_parser_member_declaration): Add fix-it hints for
1711         stray comma and missing semicolon at end of member declaration.
1713 2017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
1715         * parser.c (cp_parser_cast_expression): Add target type of cast to
1716         diagnostic.
1717         * error.c (type_to_string): Add '{enum}' suffix to enumeration types.
1719 2017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
1721         * decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
1722         return type to bool.
1723         * cp-tree.h (grok_ctor_properties): Update.
1725 2017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
1727         * parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
1728         information to diagnostic of invalid colon in nested-name-specifier.
1730 2017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
1732         * parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
1733         diagnostic of invalid class/struct keyword after enum.
1735 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1737         * parser.c (cp_parser_member_declaration): Add fix-it hint
1738         for removing stray semicolons.
1740 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1742         * name-lookup.c (get_std_name_hint): New function.
1743         (maybe_suggest_missing_header): New function.
1744         (suggest_alternative_in_explicit_scope): Call
1745         maybe_suggest_missing_header.
1747 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1749         PR c++/80177
1750         * name-lookup.c (suggest_alternative_in_explicit_scope): Convert
1751         candidate type of bm from tree to const char *.
1752         (consider_binding_level): Likewise.
1753         (lookup_name_fuzzy): Likewise, using this to merge the best
1754         result from the preprocessor into bm, rather than immediately
1755         returning, so that better matches from reserved words can "win".
1756         Guard the rejection of keywords that don't start decl-specifiers
1757         so it only happens for FUZZY_LOOKUP_TYPENAME.
1759 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1761         * decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
1762         (start_enum): Likewise.
1763         (build_enumerator): Likewise. Use %qE instead of plain %E.
1764         * parser.c (cp_parser_mem_initializer_list): Use %qD instead of
1765         %<%D%> in diagnostics.
1766         (cp_parser_elaborated_type_specifier): Likewise.
1767         * pt.c (make_pack_expansion): Use %qT and %qE instead of
1768         %<%T%> and %<%E%> in diagnostics.
1769         (tsubst_pack_expansion): Likewise.
1771 2017-04-24  David Malcolm  <dmalcolm@redhat.com>
1773         PR c++/80016
1774         * parser.c (cp_parser_unary_expression):  Generate a location
1775         range for alignof and sizeof expressions.
1777 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1779         * parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
1780         error message.
1781         (cp_parser_virt_specifier_seq_opt): Likewise.
1782         (set_and_check_decl_spec_loc): Likewise twice.
1784 2017-04-21  Jason Merrill  <jason@redhat.com>
1786         PR c++/80179 - ICE with initialized flexible array member.
1787         * constexpr.c (verify_ctor_sanity): Handle flexible array members.
1789 2017-04-21  Richard Biener  <rguenther@suse.de>
1791         * cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
1792         (copy_type): Likewise.
1793         * lex.c (copy_decl): Pass down mem-stat info.
1794         (copy_type): Likewise.
1796 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
1798         PR c++/80473
1799         * init.c (build_new_1): Suppress notes about over-aligned new when
1800         the warning is suppressed.
1802 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
1804         * parser.c (cp_parser_member_declaration): Add warning with fixit
1805         information for extra semicolon after in-class function definition.
1807 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1809         PR middle-end/80423
1810         * tree.c (build_cplus_array_type): Call build_array_type
1811         with the intended TYPE_TYPELESS_STORAGE flag value, instead
1812         of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
1813         on the shared type.
1815 2017-04-18  Marek Polacek  <polacek@redhat.com>
1817         PR c++/80244 - ICE with attribute in template alias.
1818         * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
1820         PR c++/80241 - ICE with alignas pack expansion.
1821         * error.c (dump_expr): Handle TREE_LIST.
1822         * parser.c (cp_parser_std_attribute_list): Return error_mark if
1823         make_pack_expansion returns an error.
1825 2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1827         PR c++/80287
1828         * class.c (fixup_may_alias): Fix all type variants.
1830 2017-04-17  Jason Merrill  <jason@redhat.com>
1832         PR c++/80415 - wrong error with default arg and array reference.
1833         * tree.c (lvalue_kind): Return clk_class for an array prvalue.
1835         * pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
1837 2017-04-15  Alexandre Oliva <aoliva@redhat.com>
1839         * decl.c (name_unnamed_type): Split out of...
1840         (grokdeclarator): ... this.
1841         * decl.h (name_unnamed_type): Declare.
1843 2017-04-12  Richard Biener  <rguenther@suse.de>
1844         Bernd Edlinger  <bernd.edlinger@hotmail.de>
1846         PR middle-end/79671
1847         * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
1848         for arrays of character or std::byte type.
1850 2017-04-11  Jason Merrill  <jason@redhat.com>
1852         PR c++/80294 - ICE with constexpr and inheritance.
1853         * constexpr.c (reduced_constant_expression_p):
1854         A null constructor element is non-constant.
1855         (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
1856         returning an empty base.
1858 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1860         PR c++/80370
1861         * decl.c (cp_finish_decomp): If processing_template_decl on
1862         non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
1863         change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
1864         sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
1865         processing.
1866         * pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
1867         with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
1868         dependent.
1870 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1872         PR c++/80363
1873         * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
1875 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1877         PR c++/80176
1878         * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
1879         operand, if it is a static member function, recurse on the
1880         BASELINK.
1882 2017-04-10  Marek Polacek  <polacek@redhat.com>
1884         PR sanitizer/80348
1885         * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
1886         ORIG_TYPE earlier and not only when shortening.
1888 2017-04-07  Jason Merrill  <jason@redhat.com>
1890         PR c++/80356 - ICE with reference to function template argument.
1891         PR c++/79294
1892         * pt.c (convert_nontype_argument_function): Adjust type even with a
1893         value-dependent argument.
1895         PR c++/80267 - ICE with nested capture of reference
1896         PR c++/60992
1897         * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
1899 2017-04-07  Marek Polacek  <polacek@redhat.com>
1901         PR sanitizer/80348
1902         * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
1904         PR c++/80095
1905         * call.c (build_over_call): Don't check cxx_dialect.
1906         * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
1907         whether SUB is a CONSTRUCTOR.
1908         * init.c (build_new_1): Don't check cxx_dialect.
1909         * tree.c (replace_placeholders): Add a function comment.  Return if
1910         not in C++14, or if the object isn't a (member of a) class.
1911         * typeck2.c (store_init_value): Don't check cxx_dialect nor whether
1912         TYPE is CLASS_TYPE_P.
1914 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1916         PR c++/80309
1917         * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
1918         of a loop doing vec_safe_push of NULL.  Formatting fixes.
1919         (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
1920         to newidx before calling canonical_type_parameter on newtype.
1922 2017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
1924         PR c++/80296
1925         * cxx-pretty-print.c (cxx_pretty_printer::expression): Add
1926         UNARY_PLUS_EXPR case.
1928 2017-04-03  Jason Merrill  <jason@redhat.com>
1930         * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
1932 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1934         * class.c (update_vtable_entry_for_fn): Fix typo in comment.
1935         * decl2.c (one_static_initialization_or_destruction): Likewise.
1936         * name-lookup.c (store_bindings): Likewise.
1937         * parser.c (make_call_declarator): Likewise.
1938         * pt.c (check_explicit_specialization): Likewise.
1940 2017-04-03  Jason Merrill  <jason@redhat.com>
1942         PR sanitizer/79993 - ICE with VLA initialization from string
1943         PR c++/69487 - wrong VLA initialization from string
1944         * init.c (finish_length_check): Split out from build_vec_init.
1945         (build_vec_init): Handle STRING_CST.
1946         * typeck2.c (split_nonconstant_init): Handle STRING_CST.
1947         (digest_init_r): Don't give a STRING_CST VLA type.
1949 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
1951         PR c++/79572
1952         * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
1953         REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
1954         for NOP_EXPR to REFERENCE_TYPE.
1956         PR libstdc++/80251
1957         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
1958         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1959         CPTK_IS_AGGREGATE.
1960         * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
1961         Remove extraneous parens.
1962         (finish_trait_expr): Handle CPTK_IS_AGGREGATE.
1963         * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
1964         (cp_parser_trait_expr): Likewise.
1966 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
1968         PR middle-end/80162
1969         * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
1970         * typeck.c (cxx_mark_addressable): Likewise.  Look through
1971         VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
1972         to ARRAY_TYPE.
1973         (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
1975 2017-03-24  Jason Merrill  <jason@redhat.com>
1977         PR c++/77339 - ICE with invalid use of alias template.
1978         * pt.c (lookup_template_class_1): Don't try to enter the scope of an
1979         alias template.
1981 2017-03-24  Marek Polacek  <polacek@redhat.com>
1983         PR c++/80119
1984         * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
1985         doesn't have side effects.
1987 2017-03-23  Jason Merrill  <jason@redhat.com>
1989         PR c++/80150 - ICE with overloaded variadic deduction.
1990         * pt.c (try_one_overload): Remove asserts.
1992         PR c++/77563 - missing ambiguous conversion error.
1993         * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
1995 2017-03-23  Marek Polacek  <polacek@redhat.com>
1997         * cp-tree.h: Remove a C_RID_YYCODE reference.
1999 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
2001         PR c++/80141
2002         * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
2003         case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
2004         processing_template_decl.
2006 2017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
2008         PR c++/77752
2009         * name-lookup.c (pushtag_1): Add check for bogus, non template,
2010         std::initializer_list.
2012 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
2014         PR c++/35878
2015         * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
2017 2017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
2019         PR c++/35878
2020         * init.c (std_placement_new_fn_p): New.
2021         (build_new_1): Call it.
2023 2017-03-20  Jason Merrill  <jason@redhat.com>
2025         PR c++/80096 - ICE with C++17 non-type auto.
2026         * pt.c (tsubst): Delay tsubst of type of template non-type
2027         parameter.
2029         PR c++/79519 - ICE with deleted template friend.
2030         * decl.c (grokdeclarator): Complain about misplaced function
2031         definition using =, as well.
2033         PR c++/79640 - infinite recursion with generic lambda.
2034         * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
2035         before substituting its initializer.
2037 2017-03-20  Marek Polacek  <polacek@redhat.com>
2038             Paolo Carlini  <paolo.carlini@oracle.com>
2040         PR c++/80059 - ICE with noexcept and __transaction_atomic
2041         * except.c (build_must_not_throw_expr): Call
2042         instantiate_non_dependent_expr.
2044 2017-03-19  Jason Merrill  <jason@redhat.com>
2046         PR c++/80084 - wrong C++17 decomposition by reference of parameter.
2047         * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
2048         reference decomposition.
2050         PR c++/80077 - error with constexpr and -fno-elide-constructors.
2051         * constexpr.c (cxx_eval_call_expression): Set ctx->call while
2052         expanding trivial constructor.
2054 2017-03-17  Jason Merrill  <jason@redhat.com>
2056         PR c++/78345 - ICE initializing array from lambda.
2057         * init.c (build_aggr_init): Check array initializer.
2058         (build_vec_init): Check the type of a CONSTRUCTOR.
2060         PR c++/80073 - C++17 ICE with virtual base.
2061         * decl.c (xref_basetypes): Also check for indirect vbases.
2063 2017-03-16  Jason Merrill  <jason@redhat.com>
2065         * decl.c (start_enum): std::byte aliases anything.
2067         PR c++/79797
2068         * constexpr.c (lookup_placeholder): Tweak.
2070 2017-03-15  Jason Merrill  <jason@redhat.com>
2072         PR c++/80043 - ICE with -fpermissive
2073         * typeck.c (convert_for_assignment): Handle instantiate_type
2074         not giving an error.
2076 2017-03-14  Nathan Sidwell  <nathan@acm.org>
2078         PR c++/79393 DR 1658 workaround
2079         * method.c (synthesized_method_base_walk): Inihibit abstract class
2080         virtual base access check here.
2081         (synthesized_method_walk): Not here.
2083 2017-03-13  Nathan Sidwell  <nathan@acm.org>
2085         PR c++/79393 DR 1658 workaround
2086         * method.c (synthesized_method_walk): Check vbases of abstract
2087         classes for dtor walk.
2089 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2091         PR translation/79848
2092         * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
2094 2017-03-10  Jason Merrill  <jason@redhat.com>
2096         PR c++/79960 - alias templates and partial ordering
2097         * pt.c (comp_template_args): Add partial_order parm.
2098         (template_args_equal): Likewise.
2099         (comp_template_args_porder): New.
2100         (get_partial_spec_bindings): Use it.
2102 2017-03-10  Marek Polacek  <polacek@redhat.com>
2104         PR c++/79967
2105         * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
2107 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
2109         PR c++/79899
2110         * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
2111         Use XALLOCAVEC macro.
2113         PR c++/79896
2114         * decl.c (finish_enum_value_list): If value is error_mark_node,
2115         don't copy it and change its type.
2116         * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
2117         of CONST_DECL is error_mark_node.
2119 2017-03-09  Marek Polacek  <polacek@redhat.com>
2121         PR c++/79900 - ICE in strip_typedefs
2122         * tree.c (strip_typedefs): Skip the attribute handling if T is
2123         a variant type which hasn't been updated yet.
2125         PR c++/79687 - wrong code with pointer-to-member
2126         * init.c (constant_value_1): Break if the variable has a dynamic
2127         initializer.
2129 2017-03-08  Jason Merrill  <jason@redhat.com>
2131         PR c++/79797 - ICE with self-reference in array DMI.
2132         * constexpr.c (lookup_placeholder): Split out...
2133         (cxx_eval_constant_expression): ...from here.
2135 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
2137         PR c/79834
2138         * parser.c (cp_parser_omp_cancellation_point,
2139         cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
2140         cp_parser_omp_target_update): Change "may only be used in compound
2141         statements" diagnostics, such that the same translatable string is
2142         used for all pragmas.
2143         (cp_parser_pragma): Likewise.  Use error_at instead of
2144         cp_parser_error for that diagnostics.
2146 2017-03-06  Marek Polacek  <polacek@redhat.com>
2148         PR c++/79796 - ICE with NSDMI and this pointer
2149         * call.c (build_over_call): Handle NSDMI with a 'this' by calling
2150         replace_placeholders.
2152 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
2154         PR c++/79822
2155         * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
2156         ({ (void) 0; }).
2158 2017-03-06  Jason Merrill  <jason@redhat.com>
2160         Revert "Allow deduction guides to look into primary template."
2161         * cp-tree.h, parser.c, pt.c, search.c: Revert.
2163 2017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2165         PR c++/70266
2166         * except.c (build_must_not_throw_expr): Perform the implicit
2167         conversions on the condition.
2169 2017-03-03  Jason Merrill  <jason@redhat.com>
2171         * mangle.c (mangle_decl): Check -Wnoexcept-type instead of
2172         -Wc++1z-compat.
2174         Core issues 2273 and 2277
2175         * call.c (joust): Adjust using-declaration tiebreaker to handle
2176         the intermediate base case.
2177         * method.c (strip_inheriting_ctors): Just return the argument if
2178         !flag_new_inheriting_ctors.
2180 2017-03-03  Richard Biener  <rguenther@suse.de>
2182         PR c++/79825
2183         * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
2185 2017-03-03  Marek Polacek  <polacek@redhat.com>
2187         PR c++/79791
2188         * typeck.c (string_conv_p): In C++11, always call pedwarn with
2189         OPT_Wwrite_strings.
2191 2017-03-02  Jason Merrill  <jason@redhat.com>
2193         Update overload resolution with deduction guides.
2194         * pt.c (do_class_deduction): Always build the copy guide.
2195         (copy_guide_p, template_guide_p): New.
2196         (build_deduction_guide): Remember the original constructor.
2197         * call.c (joust): Prefer the copy guide and non-template guides.
2199         Allow deduction guides to look into primary template.
2200         * cp-tree.h (struct saved_scope): Add deduction_guide_type.
2201         (struct cp_decl_specifier_seq): Add constructor_p.
2202         * parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
2203         (cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
2204         Clear deduction_guide_type.  Don't handle deduction guide names.
2205         (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
2206         (cp_parser_direct_declarator): Likewise.  Handle deduction guides.
2207         (cp_parser_member_declaration, cp_parser_cache_defarg)
2208         (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
2209         * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
2210         (build_deduction_guide): Set deduction_guide_type.
2211         (dependent_scope_p): Check deduction_guide_type.
2212         * search.c (lookup_member): Likewise.
2214 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
2216         PR c++/79782
2217         * init.c (mark_exp_read_r): New function.
2218         (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
2219         whole arguments instead of plain mark_exp_read on TREE_LIST values.
2221 2017-03-01  Jason Merrill  <jason@redhat.com>
2223         Class template argument deduction in new-expression
2224         * init.c (build_new): Handle deduction from no initializer.
2225         * parser.c (cp_parser_new_expression): Don't require a single
2226         expression for class template deduction.
2227         * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
2228         class template placeholder.
2229         * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
2230         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
2231         (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
2233 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
2235         PR c++/79746
2236         * init.c (emit_mem_initializers): When not constructing vbases of
2237         abstract classes, mark arguments as read for
2238         -Wunused-but-set-parameter.
2240 2017-02-28  Jason Merrill  <jason@redhat.com>
2242         Class template argument deduction refinements
2243         * call.c (joust): Move deduction guide tiebreaker down.
2244         * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
2245         deduction with no initializer.
2246         * pt.c (build_deduction_guide): Handle implicit default/copy ctor.
2247         (do_class_deduction): Use that rather than special case.
2248         (do_auto_deduction): Handle null initializer.
2250 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
2252         * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
2253         instead of just cond ? "..." : "...".
2254         (grokdeclarator): Likewise.
2255         (build_enumerator): Likewise.
2256         * init.c (build_new_1): Likewise.
2257         * call.c (build_new_method_call_1): Likewise.
2258         * parser.c: Include intl.h.
2259         (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
2260         "enter"/"exit" keyword.
2261         (cp_finalize_oacc_routine): Don't use %s to supply portions of the
2262         message.
2264 2017-02-27  Jason Merrill  <jason@redhat.com>
2266         PR c++/71568 - SFINAE forming pointer to member function
2267         * init.c (build_offset_ref): Check the return value of
2268         perform_or_defer_access_check.
2270 2017-02-27  Marek Polacek  <polacek@redhat.com>
2272         * decl.c (expand_static_init): Add missing } in a comment.
2274 2017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
2276         * init.c: Include intl.h.
2277         (build_new_1): Move message strings into pedwarn to make them
2278         -Wformat-security friendly. Mark string for translation.
2279         * pt.c (tsubst_copy_and_build): Mark string for translation.
2280         Make the pointer const.
2281         * semantics.c (finish_id_expression): Mark strings for translation.
2283 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
2285         * call.c (build_op_delete_call): Make msg1 and msg2 const.
2287 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
2289         PR c++/79588
2290         * call.c (build_over_call): Call check_function_arguments even for
2291         -Wrestrict, adjust check_function_arguments caller.
2292         * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
2293         here.
2294         * typeck.c (cp_build_function_call_vec): Adjust
2295         check_function_arguments caller.
2297 2017-02-24  Marek Polacek  <polacek@redhat.com>
2299         PR translation/79705
2300         * decl.c (check_redeclaration_exception_specification): Mark a string
2301         for translation.  Make the pointer const.
2303 2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
2305         PR c++/79361
2306         * pt.c (register_specialization): Check duplicate_decls return value
2307         for error_mark_node and pass it back.
2309 2017-02-22  Jason Merrill  <jason@redhat.com>
2311         PR c++/79679 - missing destructor for argument
2312         * call.c (build_over_call): Don't pass tf_no_cleanup to argument
2313         conversions.
2315         * pt.c (do_class_deduction): Handle 0 argument case.
2317 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
2319         PR c++/79664
2320         * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
2321         SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
2322         * constexpr.c (potential_constant_expression_1): Handle
2323         OMP_*, OACC_* and CILK_* trees.  Use error_at with
2324         EXPR_LOC_OR_LOC (t, input_location) computed early
2325         instead of error, or error_at with location_of (t).
2327 2017-02-22  Marek Polacek  <polacek@redhat.com>
2329         PR c++/79653
2330         * parser.c (cp_parser_std_attribute_spec): Don't build the attribute
2331         if the alignas expression is erroneous.
2332         * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
2333         error_mark_node.
2335         PR c++/79657
2336         * semantics.c (finish_underlying_type): Bail out for incomplete enums.
2338 2017-02-21  Jason Merrill  <jason@redhat.com>
2340         PR c++/50308 - wrong deprecated warning with ADL
2341         PR c++/17729 - duplicate deprecated warning
2342         * semantics.c (finish_id_expression): Only call mark_used on a
2343         function if we aren't building a call.
2345         PR c++/41727 - ICE with partial spec of partial instantiation
2346         * pt.c (process_partial_specialization): For now, don't check more
2347         specialized if there is more than one level of args.
2349 2017-02-21  Marek Polacek  <polacek@redhat.com>
2351         PR c++/79535
2352         * cp-tree.h (maybe_reject_flexarray_init): Declare.
2353         * init.c (maybe_reject_flexarray_init): No longer static.
2354         Add check for current_function_decl.
2355         * parser.c (cp_parser_late_parse_one_default_arg): Reject
2356         a default mem-initializer for a flexible array.
2358 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
2359             Paolo Carlini  <paolo.carlini@oracle.com>
2361         PR c++/79654
2362         * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
2363         on error.
2364         * pt.c (tsubst_decomp_names): Return error_mark_node if the first
2365         decl after the decomposition artificial decl has error_mark_node.
2366         * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
2367         instead of just == error_mark_node comparison.
2369 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
2371         PR sanitizer/79589
2372         * decl.c: Include gimplify.h.
2373         (cp_finish_decomp): Make sure there is no sharing of trees
2374         in between DECL_VALUE_EXPR of decomposition decls.
2376         PR c++/79655
2377         * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
2379         PR c++/79639
2380         * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
2381         call cplus_expand_constant on it first.
2383 2017-02-19  Jason Merrill  <jason@redhat.com>
2385         PR c++/78139 - destructor needed by new-expression
2386         * call.c (build_special_member_call): Use tf_no_cleanup.
2388         PR c++/78282 - auto template and pack expansion
2389         * pt.c (find_parameter_packs_r): Don't walk into the type of
2390         templates other than template template-parameters.
2392         PR c++/79606 - ICE with this->base_member in NSDMI
2393         * class.c (build_base_path): Check processing_template_decl.
2395         PR c++/79607 - ICE with T{} initializer
2396         * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
2398         PR c++/79566 - elaborated-type-specifier in range for
2399         * parser.c (cp_parser_simple_declaration): Fix check for type
2400         definition.
2402         PR c++/79400 - confusing suggestion of 'noexcept'
2403         * parser.c (cp_parser_exception_specification_opt): Remove
2404         suggestion for deprecated dynamic exception-specification.
2406         PR c++/79470 - partial ordering with reference parameters
2407         * pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
2409         PR c++/79500 - ICE with non-template deduction guide
2410         * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
2411         DECL_TEMPLATE_RESULT.
2413         PR c++/79580 - ICE with compound literal
2414         * parser.c (cp_parser_class_head): If we're in the middle of an
2415         expression, use ts_within_enclosing_non_class.
2417         PR c++/79503 - inherited ctor taking base class
2418         * call.c (add_function_candidate): Also check that
2419         DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
2421 2017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2423         PR c++/79380
2424         * typeck.c (cxx_alignas_expr): Reject a non-integral alignas
2425         argument.
2427 2017-02-19  Eric Fiselier  <eric@efcs.ca>
2428             Jonathan Wakely  <jwakely@redhat.com>
2430         PR c++/69523
2431         * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
2432         control warning about literal suffix identifiers without a leading
2433         underscore.
2435 2017-02-17  Jason Merrill  <jason@redhat.com>
2437         PR c++/79508 - lookup error with member template
2438         * parser.c (cp_parser_template_name): Clear
2439         parser->context->object_type if we aren't doing lookup.
2441         PR c++/78690 - ICE with using and global type with same name
2442         * pt.c (type_dependent_object_expression_p): True for
2443         IDENTIFIER_NODE.
2445         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
2446         * pt.c (convert_template_argument): Just return an auto arg pack.
2447         (tsubst_template_args): Don't tsubst an auto pack type.
2449         PR c++/79556 - C++17 ICE with non-type auto
2450         * pt.c (do_auto_deduction): Don't try to deduce from null type.
2452         PR c++/79533 - C++17 ICE with temporary cast to reference
2453         * call.c (build_over_call): Conversion to a reference prevents copy
2454         elision.
2456 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
2457             Jason Merrill  <jason@redhat.com>
2459         PR c++/79502 - lost nodiscard attribute
2460         * pt.c (apply_late_template_attributes): Do apply non-dependent
2461         attributes to types.
2463 2017-02-16  Jason Merrill  <jason@redhat.com>
2465         PR c++/78572 - ICE with self-modifying array initializer
2466         * constexpr.c (cxx_eval_store_expression): The object we're
2467         initializing is outside the constant-expression.
2468         (cxx_eval_call_expression): Set ctx->call.
2470         PR c++/79050 - ICE with undeduced auto and LTO
2471         * decl.c (poplevel): Remove undeduced auto decls.
2473 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
2475         PR c++/79512
2476         * parser.c (cp_parser_omp_target): For -fopenmp-simd
2477         ignore #pragma omp target even when not followed by identifier.
2479 2017-02-15  Jason Merrill  <jason@redhat.com>
2480             Jakub Jelinek  <jakub@redhat.com>
2482         PR c++/79464 - ICE in IPA with omitted constructor parms
2483         * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
2484         (adjust_clone_args): Adjust.
2485         (add_method): Remember omitted parms.
2486         * call.c (add_function_candidate): Likewise.
2487         * mangle.c (write_method_parms): Likewise.
2488         * method.c (ctor_omit_inherited_parms): Return false if there are no
2489         parms to omit.
2491 2017-02-15  Martin Sebor  <msebor@redhat.com>
2493         PR c++/79363
2494         * init.c (maybe_reject_flexarray_init): New function.
2495         (perform_member_init): Call it.
2497 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
2499         PR c++/79301
2500         * parser.c (cp_parser_std_attribute): Don't pedwarn about
2501         [[deprecated]] with -std=c++11 and [[fallthrough]] with
2502         -std=c++11 and -std=c++14.
2504         PR c++/79288
2505         * decl.c (grokdeclarator): For static data members, handle thread_p
2506         only after handling inline.
2508 2017-02-14  Marek Polacek  <polacek@redhat.com>
2510         PR c++/79420
2511         PR c++/79463
2512         * parser.c (cp_parser_postfix_dot_deref_expression): Avoid
2513         clobbering if the postfix expression isn't an EXPR_P.
2515 2017-02-13  Jason Merrill  <jason@redhat.com>
2517         PR c++/79461 - ICE with lambda in constexpr constructor
2518         * constexpr.c (build_data_member_initialization): Ignore
2519         initialization of a local variable.
2521 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2523         * init.c (warn_placement_new_too_small): Add missing space in
2524         diagnostics.
2525         * parser.c (cp_parser_oacc_declare): Likewise.
2526         * mangle.c (maybe_check_abi_tags): Likewise.
2528         PR c++/79232
2529         * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
2530         on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
2531         in the rightmost operand.
2533 2017-02-13  Nathan Sidwell  <nathan@acm.org>
2535         PR c++/79296 - ICE mangling localized template instantiation
2536         * decl2.c (determine_visibility): Use template fn context for
2537         local class instantiations.
2539 2017-02-11  Jason Merrill  <jason@redhat.com>
2541         PR c++/77659 - ICE with new and C++14 aggregate NSDMI
2542         * init.c (build_new): Make backups of any CONSTRUCTORs in init.
2543         (build_new_1): Use replace_placeholders.
2544         * tree.c (replace_placeholders_t): Also track whether we've seen a
2545         placeholder.
2546         (replace_placeholders, replace_placeholders_r): Adjust.
2547         * cp-tree.h: Adjust.
2549         PR c++/77790 - ICE with auto function in C++11 mode
2550         * decl.c (undeduced_auto_decl): Remove C++14 limitation.
2551         (require_deduced_type): Add complain parm, return bool.
2552         * cp-tree.h: Adjust.
2553         * decl2.c (mark_used): Use require_deduced_type.
2555 2017-02-10  Jason Merrill  <jason@redhat.com>
2557         PR c++/78908 - template ops and bitfields
2558         * tree.c (build_min_non_dep): Use unlowered_expr_type.
2560         PR c++/78897 - constexpr union
2561         * constexpr.c (cxx_eval_store_expression): A store to a union member
2562         erases a previous store to another member.
2564         PR c++/71285 - member of fold-expression
2565         * semantics.c (finish_unary_fold_expr)
2566         (finish_binary_fold_expr): Use null type for fold-expressions.
2568         PR c++/79401 - protected inherited constructor
2569         * call.c (enforce_access): For inheriting constructor, find a base
2570         binfo in the path we already have.
2572 2017-02-10  Marek Polacek  <polacek@redhat.com>
2574         PR c++/79435
2575         * pt.c (type_dependent_expression_p): Check if the expression type
2576         is null.
2578         PR c++/79184
2579         * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
2580         if warnings shouldn't be given.
2582 2017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
2584         PR c++/71737
2585         * pt.c (tsubst_decl): Don't try to preserve a typedef that names
2586         an error_mark_node as type.
2588 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2589             Jason Merrill  <jason@redhat.com>
2591         PR c++/79143
2592         * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
2593         from pattern to type.
2595 2017-02-09  Jason Merrill  <jason@redhat.com>
2597         PR c++/79316 - default argument in deduction guide
2598         PR c++/79350 - explicit deduction guide
2599         * parser.c (cp_parser_constructor_declarator_p)
2600         (cp_parser_direct_declarator): Parse deduction guides more like
2601         constructors.
2602         * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
2603         * tree.c (special_function_p): Return it.
2604         * decl.c (check_special_function_return_type): Handle it.
2605         (grokdeclarator, grokfndecl): Adjust.
2606         (cp_finish_decl): Pass flags to do_auto_deduction.
2607         * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
2608         * pt.c (dguide_name_p): Take a const_tree.
2609         (do_class_deduction): Handle explicit.
2610         (do_auto_deduction): Pass flags through.
2611         (build_deduction_guide): Copy explicit flag.
2613 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2615         PR c++/79429
2616         * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
2617         non-pragma_compound context here.
2618         (cp_parser_omp_target): Likewise.
2619         (cp_parser_pragma): Don't call push_omp_privatization_clauses and
2620         parsing for ordered and target omp pragmas in non-pragma_stmt
2621         non-pragma_compound contexts.
2623         PR c/79431
2624         * parser.c (cp_parser_oacc_declare): Formatting fix.
2625         (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
2626         automatic variables.
2628 2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2629             Chung-Lin Tang  <cltang@codesourcery.com>
2631         * parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
2632         parsing.  Parse constant expression. Remove semantic checking.
2633         (cp_parser_omp_clause_collapse): Disallow tile.
2634         (cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
2635         error about missing for after already emitting one.  Use more
2636         conventional for idiom for unbounded loop.
2637         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
2638         * semantics.c (finish_omp_clauses): Correct TILE semantic check.
2639         (finish_omp_for): Deal with tile clause.
2641 2017-02-07  Nathan Sidwell  <nathan@acm.org>
2643         * method.c (synthesized_method_base_walk): New.  Broken out of ...
2644         (synthesized_method_walk): ... here.  Call it.  Cleanup
2645         initializations.
2647 2017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
2649         PR c++/79360
2650         * typeck2.c (process_init_constructor_union): Consider only
2651         FIELD_DECLs when looking for an NSDMI.
2653 2017-02-06  Jason Merrill  <jason@redhat.com>
2655         PR c++/71193 - incomplete types in templates
2656         * parser.c (cp_parser_postfix_dot_deref_expression): In a template
2657         handle incomplete type by pedwarning and then treating as dependent.
2659 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2661         PR c++/79379
2662         * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
2663         (potential_constant_expression_1): Likewise.
2665         PR c++/79377
2666         * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
2667         allow one fewer than expected arguments if flag_permissive.
2669         PR c++/79372
2670         * decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
2671         * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
2672         with error_mark_node type.
2674 2017-02-03  Jason Merrill  <jason@redhat.com>
2676         PR c++/78689 - ICE on constructor with label
2677         * optimize.c (maybe_clone_body): Replace omitted parameters with
2678         null lvalues.
2679         * class.c (build_clone): Fix logic for omitting inherited parms.
2681         PR c++/12245 - excessive memory use
2682         * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
2683         back in.  Don't cache constants.
2684         (maybe_constant_init): Don't cache constants.
2686         PR c++/79294 - ICE with invalid template argument
2687         * pt.c (convert_nontype_argument_function): Check value-dependence.
2688         (convert_nontype_argument): Don't check it here for function ptrs.
2690 2017-02-02  Richard Biener  <rguenther@suse.de>
2692         PR cp/14179
2693         * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
2694         it lazily on the first changed element only and copy it
2695         fully upfront, only storing changed elements.
2697 2017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2699         PR c++/69637
2700         * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
2701         to the width.
2703 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
2705         PR c++/79304
2706         * error.c (dump_expr) <case COMPONENT_REF>: Don't print .
2707         after ARROW_EXPR.
2709 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
2711         PR c++/79298
2712         * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
2713         any namespace aliases.
2715 2017-01-31  Nathan Sidwell  <nathan@acm.org>
2717         PR c++/79290
2718         * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
2720         PR c++/67273
2721         PR c++/79253
2722         * pt.c: (instantiate_decl): Push to top level when current
2723         function scope doesn't match.  Only push lmabda scope stack when
2724         pushing to top.
2726         * cp-tree.h (instantiate_decl): Make defer_ok bool.
2727         * pt.c: Fix instantiate_decl calls to pass true/false not 0/1
2728         (instantiate_decl): Simplify and reorder state saving and restoration.
2730         PR c++/79264
2731         * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
2732         * semantics.c (finish_member_declaration): Assert class is being
2733         defined.
2735 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
2737         Introduce C++ support in libcc1.
2738         * cp-tree.h (struct lang_identifier): Add oracle_looked_up.
2739         (ansi_opname): Rename to...
2740         (cp_operator_id): ... this.  Adjust all callers.
2741         (ansi_assopname): Rename to...
2742         (cp_assignment_operator_id): ... this.  Adjust all callers.
2743         (cp_literal_operator_id): Declare.
2744         (set_global_friend): Declare.
2745         (is_global_friend): Declare.
2746         (enum cp_oracle_request): New type.
2747         (cp_binding_oracle_function): New type.
2748         (cp_binding_oracle): Declare.
2749         (cp_finish_injected_record_type): Declare.
2750         * friend.c (global_friend): New var.
2751         (set_global_friend): New fn.
2752         (is_global_friend): New fn.
2753         (is_friend): Call is_global_friend.
2754         * name-lookup.c (cp_binding_oracle): New var.
2755         (query_oracle): New fn.
2756         (qualified_lookup_using_namespace): Call query_oracle.
2757         (lookup_name_real_1): Likewise.
2758         * parser.c (cp_literal_operator_id): Drop static.
2759         * search.c (friend_accessible_p): Call is_global_friend.
2760         * semantics.c (is_this_parameter): Accept a variable if the
2761         binding oracle is enabled.
2763 2017-01-27  Jason Merrill  <jason@redhat.com>
2765         PR c++/78771 - ICE with inherited constructor.
2766         * call.c (build_over_call): Call deduce_inheriting_ctor here.
2767         * pt.c (tsubst_decl): Not here.
2768         * class.c (add_method): Or here.
2769         * method.c (deduce_inheriting_ctor): Handle clones.
2770         (implicitly_declare_fn): Don't deduce inheriting ctors yet.
2772 2017-01-27  Adam Butcher  <adam@jessamine.co.uk>
2774         PR c++/64382
2775         * cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
2776         New function.
2777         * cp/cp-tree.h: Declare it.
2778         * cp/semantics.c (finish_id_expression): Resolve names within a default
2779         capturing generic lambda defined within a template prior to
2780         instantiation to allow for captures to be added to the closure type.
2782 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2784         PR c++/68727
2785         * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
2786         * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
2787         * parser.c (cp_parser_builtin_offsetof): Pass result of
2788         build_static_cast of null_pointer_node to finish_offsetof.
2789         * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
2790         it for -Winvalid-offsetof pedwarn instead of trying to guess
2791         original offsetof type from EXPR.  Save OBJECT_PTR as a new
2792         second operand to OFFSETOF_EXPR.
2793         * pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
2794         finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
2795         as OBJECT_PTR.
2797 2017-01-26  Jason Merrill  <jason@redhat.com>
2799         * name-lookup.c (parse_using_directive): Deprecate strong using.
2801         PR c++/79176 - lambda ICE with -flto -Os
2802         * decl2.c (vague_linkage_p): Handle decloned 'tors.
2803         * tree.c (decl_linkage): Likewise.
2805 2017-01-25  Martin Sebor  <msebor@redhat.com>
2807         * decl.c (grokdeclarator): Fix a typo in a comment.
2809 2017-01-25  Jakub Jelinek  <jakub@redhat.com>
2811         PR c++/78896
2812         * decl.c (cp_finish_decomp): Disallow memberwise decomposition of
2813         lambda expressions.
2815         PR c++/77914
2816         * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
2817         OPT_Wpedantic on lambda templates for -std=c++14 and higher.
2819 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
2821         PR lto/79061
2822         * decl.c (cxx_init_decl_processing): Pass main_input_filename
2823         to build_translation_unit_decl.
2825 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
2827         PR c++/79205
2828         * cp-gimplify.c (cp_genericize_r): Add result of
2829         convert_from_reference on invisiref parm to p_set.
2831 2017-01-24  Nathan Sidwell  <nathan@acm.org>
2833         PR c++/78469 - defaulted ctor and inaccessible dtor
2834         * cp-tree.h (tsubst_flags): Add tf_no_cleanup.
2835         * init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
2836         * tree.c (build_target_expr): Check tf_no_cleanup.
2838         PR c++/79118 - anon-members and constexpr
2839         * constexpr.c (cx_check_missing_mem_inits): Caller passes type not
2840         ctor decl.  Recursively check anonymous members.
2841         (register_constexpr_fundef): Adjust cx_check_missing_mem_inits
2842         call.
2843         (explain_invalid_constexpr_fn): Likewise.
2845 2017-01-23  Nathan Sidwell  <nathan@acm.org>
2847         PR c++/71710 - template using directive of field
2848         * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
2849         check earlier.
2851         PR c++/71406 - ICE with scope-ref'd template id exprs
2852         PR c++/77508
2853         * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
2854         before breaking up TEMPLATE_ID_EXPR.
2856 2017-01-20  Nathan Sidwell  <nathan@acm.org>
2858         PR c++/78495 - wrong code inherited ctor and invisi-ref parm
2859         * cp-gimplify.c (cp_generize_r): Don't skip thunks.
2861 2017-01-20  David Malcolm  <dmalcolm@redhat.com>
2863         PR c++/77829
2864         PR c++/78656
2865         * cp-tree.h (suggest_alternatives_for): Add bool param.
2866         (suggest_alternative_in_explicit_scope): New decl.
2867         * error.c (qualified_name_lookup_error): When SCOPE is a namespace
2868         that isn't the global one, call new function
2869         suggest_alternative_in_explicit_scope, only calling
2870         suggest_alternatives_for if it fails, and disabling near match
2871         searches fort that case.  When SCOPE is the global namespace,
2872         pass true for new param to suggest_alternatives_for to allow for
2873         fuzzy name lookups.
2874         * lex.c (unqualified_name_lookup_error): Pass true for new param
2875         to suggest_alternatives_for.
2876         * name-lookup.c (consider_binding_level): Add forward decl.
2877         (suggest_alternatives_for): Add "suggest_misspellings" param,
2878         using it to conditionalize the fuzzy name-lookup code.
2879         (suggest_alternative_in_explicit_scope): New function.
2880         * parser.c (cp_parser_primary_expression): When calling
2881         finish_id_expression, pass location of id_expression rather
2882         than that of id_expr_token.
2883         (cp_parser_id_expression): Convert local "unqualified_id" from
2884         tree to cp_expr to avoid implicitly dropping location information.
2886 2017-01-20  Marek Polacek  <polacek@redhat.com>
2888         PR c/64279
2889         * call.c (build_conditional_expr_1): Warn about duplicated branches.
2890         * semantics.c (finish_expr_stmt): Build statement using the proper
2891         location.
2893 2017-01-19  Jason Merrill  <jason@redhat.com>
2895         US 20 - forwarding references and class template argument deduction
2896         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
2897         * pt.c (push_template_decl_real): Set it.
2898         (maybe_adjust_types_for_deduction): Check it.
2899         (rewrite_template_parm): Copy it.
2901         US 19 - deduction guides and constructors
2902         * call.c (joust): Prefer deduction guides to constructors.
2903         * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
2904         (deduction_guide_p): Check DECL_P.
2906         * decl.c (check_initializer): Always use build_aggr_init for array
2907         decomposition.
2909         PR c++/79130 - decomposition and direct-initialization
2910         * init.c (build_aggr_init): Communicate direct-initialization to
2911         build_vec_init.
2912         (build_vec_init): Check for array copy sooner.
2913         * parser.c (cp_parser_decomposition_declaration): Remove call to
2914         build_x_compound_expr_from_list.
2916 2017-01-18  Jason Merrill  <jason@redhat.com>
2918         PR c++/68666 - member variable template-id
2919         * typeck.c (finish_class_member_access_expr): Handle variable
2920         template-id.
2921         * pt.c (lookup_and_finish_template_variable): No longer static.
2922         * cp-tree.h: Declare it.
2924 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2926         PR c++/78488
2927         * call.c (build_over_call): When checking ellipsis conversions for
2928         an inherited ctor, make sure there is at least one conversion.
2930 2017-01-18  Jason Merrill  <jason@redhat.com>
2932         PR c++/78894 - ICE with class deduction and default arg
2933         * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
2935 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2937         PR c++/77489
2938         * mangle.c (write_discriminator): Reorganize abi warning check.
2940 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2942         * cp-tree.h: Clarify exception spec node comment.
2943         * except.c (nothrow_spec_p): Simplify by checking node-equality.
2945         PR c++/79091
2946         * mangle.c (write_exception_spec): Check nothrow explicitly.
2947         (write_encoding): Don't increment processing_template_decl around
2948         encoding.
2950 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2952         PR c++/70182
2953         * mangle.c (write_template_args): Add "on" for operator names.
2955 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2957         PR c++/77489
2958         * mangle.c (write_discriminator): Handle discriminator >= 10.
2960 2017-01-17  Nathan Sidwell  <nathan@acm.org>
2962         PR c++/61636
2963         * cp-tree.h (maybe_generic_this_capture): Declare.
2964         * lambda.c (resolvable_dummy_lambda): New, broken out of ...
2965         (maybe_resolve_dummy): ... here.  Call it.
2966         (maybe_generic_this_capture): New.
2967         * parser.c (cp_parser_postfix_expression): Speculatively capture
2968         this in generic lambda in unresolved member function call.
2969         * pt.c (tsubst_copy_and_build): Force hard error from failed
2970         member function lookup in generic lambda.
2972 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
2974         PR c++/70565
2975         * cp-array-notation.c (expand_array_notation_exprs): Handle
2976         OMP_PARALLEL.
2978 2017-01-11  Jason Merrill  <jason@redhat.com>
2980         PR c++/78337 - ICE on invalid with generic lambda
2981         * semantics.c (process_outer_var_ref): Check if containing_function
2982         is null.  Move inform call under complain test.
2984 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2986         PR c++/77812
2987         * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
2988         is a new overload.
2990 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2992         * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
2994 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
2996         PR c++/78341
2997         * parser.c (cp_parser_std_attribute_spec): Remove over-eager
2998         assertion.  Formatting fix.
3000         PR c++/72813
3001         * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
3002         writing PCH file.
3004 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
3006         PR c++/77949
3007         * parser.c (cp_parser_class_specifier_1): Only suggest inserting
3008         a missing semicolon if we have a valid insertion location for
3009         the fix-it hint.
3011 2017-01-10  Jason Merrill  <jason@redhat.com>
3013         FI 20, decomposition declaration with parenthesized initializer.
3014         * parser.c (cp_parser_decomposition_declaration): Use
3015         cp_parser_initializer.
3017 2017-01-09  Jason Merrill  <jason@redhat.com>
3019         Implement P0195R2, C++17 variadic using.
3020         * parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
3021         * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
3022         * error.c (dump_decl): Likewise.
3024 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
3026         PR translation/79019
3027         PR translation/79020
3028         * semantics.c (finish_omp_clauses): Add missing whitespace to
3029         translatable strings.
3030         * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
3032 2017-01-07  Jason Merrill  <jason@redhat.com>
3034         PR c++/78948 - instantiation from discarded statement
3035         * parser.h (struct cp_parser): Remove in_discarded_stmt field.
3036         * cp-tree.h (in_discarded_stmt): Declare it.
3037         (struct saved_scope): Add discarded_stmt bitfield.
3038         (in_discarded_stmt): New macro.
3039         * decl2.c (mark_used): Check it.
3040         * parser.c (cp_parser_selection_statement): Adjust.
3041         (cp_parser_jump_statement): Adjust.
3043 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
3045         PR c++/78931
3046         * decl.c (cp_finish_decomp): Remove probe variable, if tt is
3047         REFERENCE_REF_P, set tt to its operand.
3049         PR c++/78890
3050         * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
3051         unions even for C++11 and later.
3053 2017-01-05  Nathan Sidwell  <nathan@acm.org>
3055         PR c++/78765
3056         * pt.c (convert_nontype_argument): Don't try and see if integral
3057         or enum expressions are constants prematurely.
3059 2017-01-04  Marek Polacek  <polacek@redhat.com>
3061         PR c++/64767
3062         * typeck.c (cp_build_binary_op): Warn when a pointer is compared with
3063         a zero character literal.
3065 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
3067         PR c++/78949
3068         * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
3069         vector type.
3071         PR c++/78693
3072         * parser.c (cp_parser_simple_declaration): Only complain about
3073         inconsistent auto deduction if auto_result doesn't use auto.
3075         * parser.c (cp_parser_simple_declaration): Diagnose function
3076         declaration among more than one init-declarators with auto
3077         specifier.
3079         PR c++/71182
3080         * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
3081         assertion, as lexer->buffer may be NULL.
3083 2017-01-04  Marek Polacek  <polacek@redhat.com>
3085         PR c++/77545
3086         PR c++/77284
3087         * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
3089 2017-01-04  Nathan Sidwell  <nathan@acm.org>
3091         PR c++/66735
3092         * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
3093         (lambda_capture_field_type): Update prototype.
3094         * lambda.c (lambda_capture_field_type): Add is_reference parm.
3095         Add referenceness here.
3096         (add_capture): Adjust lambda_capture_field_type call, refactor
3097         error checking.
3098         * pt.c (tsubst): Adjust lambda_capture_field_type call.
3100 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
3102         Update copyright years.
3104 Copyright (C) 2017 Free Software Foundation, Inc.
3106 Copying and distribution of this file, with or without modification,
3107 are permitted in any medium without royalty provided the copyright
3108 notice and this notice are preserved.