libgo: add misc/cgo files
[official-gcc.git] / gcc / cp / ChangeLog
blobc067d23eb8a2f14a62d6f82cf71fc370db24956f
1 2017-06-26  Jason Merrill  <jason@redhat.com>
3         PR c++/81215 - deduction failure with variadic TTP.
4         * pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
6 2017-06-26  Martin Sebor  <msebor@redhat.com>
8         PR c++/81169
9         * call.c (maybe_warn_class_memaccess): Preserve explicit conversions
10         to detect casting away cv-qualifiers.
12 2017-06-26  Nathan Sidwell  <nathan@acm.org>
14         * cp-tree.h (lang_decl_fn): Remove assignment_operator_p field.
15         (DECL_COMPLETE_CONSTRUCTOR_P): Directly compare
16         identifier.
17         (DECL_BASE_CONSTRUCTOR_P, DECL_COMPLETE_DESTRUCTOR_P,
18         DECL_BASE_DESTRUCTOR_P, DECL_DELETING_DESTRUCTOR_P): Likewise.
19         (DECL_ASSIGNMENT_OPERATOR_P): Use IDENTIFIER_ASSIGN_OP_P.
20         * decl.c (grok_op_properties): Adjust identifier checking.
21         * init.c (expand_default_init): Adjust identifier descision.
22         * method.c (implicitly_declare_fn): Don't use
23         DECL_ASSIGNMENT_OPERATOR_P.
24         * search.c (lookup_fnfields_1): Use IDENTIFIER_CTOR_P,
25         IDENTIFIER_DTOR_P.
26         * call.c (in_charge_arg_for_name): Reimplement.
27         (build_special_member_call): Use IDENTIFIER_CDTOR_P,
28         IDENTIFIER_DTOR_P.
30 2017-06-26  Marek Polacek  <polacek@redhat.com>
32         PR c/80116
33         * parser.c (cp_parser_statement): Add a default argument.  Save the
34         location of the expression-statement after labels have been parsed.
35         (cp_parser_implicitly_scoped_statement): Set the location of the
36         body of the conditional after parsing all the labels.  Call
37         warn_for_multistatement_macros.
38         (cp_parser_already_scoped_statement): Likewise.
40 2017-06-24  Paolo Carlini  <paolo.carlini@oracle.com>
42         PR c++/62315
43         * parser.c (cp_parser_diagnose_invalid_type_name): Don't print
44         'typename' in error messages about missing 'typename'.
46 2017-06-23  Jason Merrill  <jason@redhat.com>
48         PR c++/79056 - C++17 ICE with invalid template syntax.
49         * parser.c (cp_parser_simple_type_specifier): Don't assume that type
50         is a TYPE_DECL.
51         (cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
52         * pt.c (template_placeholder_p): New.
53         * cp-tree.h: Declare it.
55 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
57         * decl.c (duplicate_decls): Use builtin_structptr_types.
59 2017-06-22  Nathan Sidwell  <nathan@acm.org>
61         Reorder IDENTIFIER flags
62         gcc/cp/
63         * cp-tree.h (enum cp_identifier_kind): New.
64         (IDENTIFIER_KIND_BIT_0, IDENTIFIER_KIND_BIT_1,
65         IDENTIFIER_KIND_BIT_2): New.
66         (IDENTIFIER_MARKED): Move to TREE_LANG_FLAG_4.
67         (IDENTIFIER_VIRTUAL_P, IDENTIFIER_REPO_CHOSEN): Add IDENTIFIER_CHECK.
68         (C_IS_RESERVED_WORD): Replace with ...
69         (IDENTIFIER_KEYWORD_P): ... this.
70         (IDENTIFIER_CTOR_OR_DTOR_P): Replace with ...
71         (IDENTIFIER_CDTOR_P): ... this.
72         (IDENTIFIER_CTOR_P, IDENTIFIER_DTOR_P): New.
73         (IDENTIFIER_OPNAME_P): Replace with ...
74         (IDENTIFIER_ANY_OP_P): ... this.
75         (IDENTIFIER_ASSIGN_OP_P): New.
76         (IDENTIFIER_TYPENAME_P): Replace with ...
77         (IDENTIFIER_CONV_OP_P): ... this.
78         (NEW_DELETE_OPNAME_P): Replace with ...
79         (IDENTIFIER_NEWDEL_OP_P): ... this.
80         (DECL_CONV_FN_P, DECL_OVERLOADED_OPERATOR_P): Adjust.
81         (get_identifier_kind_name, set_identifier_kind): Declare.
82         * lex.c (get_identifier_kind_name, set_identifier_kind): New.
83         (init_operators): Adjust to avoid keywords, use
84         set_identifier_kind. Copy TYPE_EXPR slot.
85         (init_reswords): Call set_identifier_kind.
86         (unqualified_name_lookup_error): Adjust.
87         * operators.def (TYPE_EXPR): Remove.
88         * decl.c (struct predefined_identifier): Move into ...
89         (initialize_predefined_identifiers): ... here.  Call
90         set_identifier_kind.
91         (grokfndecl, check_var_type, grokdeclarator): Adjust.
92         (grok_op_properties): Use IDENTIFIER_ANY_ASSIGN_OP to halve search
93         space.  Adjust.
94         * call.c (name_as_c_string): Adjust.
95         (build_new_method_call_1): Likewise.
96         * cp-cilkplus.c (is_conversion_operator_function_decl_p): Likewise.
97         * cxx-pretty-print.c (pp_cxx_unqualified_id): Adjust.
98         * dump.c (cp_dump_tree): Adjust.
99         * error.c (dump_decl_name): Adjust.
100         * mangle.c (write_unqualified_id, write_member_name,
101         write_expression): Adjust.
102         (mangle_conv_op_name_for_type): Use set_identifier_kind.
103         * name-lookup.c (do_class_using_decl): Adjust.
104         (lookup_name_fuzzy, lookup_name_real_1): Likewise.
105         * parser.c (cp_lexer_get_preprocessor_token,
106         cp_parser_direct_declarator): Likewise.
107         * pt.c (push_template_decl_real, tsubst_decl, tsubst_baselink,
108         tsubst_copy, tsubst_copy_and_build): Adjust.
109         * ptree.c (cxx_print_identifier): Print identifier kind.
110         * search.c (lookup_field_r, lookup_member,
111         lookup_fnfields_idx_nolazy): Adjust.
112         * semantics.c (finish_id_expression): Adjust..
113         * typeck.c (cp_build_addr_expr_1): Adjust.
115 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
117         PR c++/81154
118         * semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
119         Complain about t not being a variable if t is OVERLOAD even
120         when processing_template_decl.
122 2017-06-21  David Malcolm  <dmalcolm@redhat.com>
124         * parser.c (get_cast_suggestion): New function.
125         (maybe_add_cast_fixit): New function.
126         (cp_parser_cast_expression): Capture the location of the closing
127         parenthesis.  Call maybe_add_cast_fixit when emitting warnings
128         about old-style casts.
130 2017-06-20  Jason Merrill  <jason@redhat.com>
132         PR c++/80972 - C++17 ICE with attribute packed.
133         * call.c (build_over_call): Allow a TARGET_EXPR from reference
134         binding.
136 2017-06-20  Nathan Sidwell  <nathan@acm.org>
138         * cp-tree.h (CPTI_NELTS_IDENTIFIER): Delete.
139         (nelts_identifier): Delete.
140         * decl.c (initialize_predefined_identifiers): Remove nelts.
142         PR c++/67074 - namespace aliases
143         * decl.c (duplicate_decls): Don't error here on mismatched
144         namespace alias.
145         * name-lookup.c (name_lookup::add_value): Matching namespaces are
146         not ambiguous.
147         (diagnose_name_conflict): Namespaces are never redeclarations.
148         (update_binding): An alias can match a real namespace.
150 2017-06-19  Jason Merrill  <jason@redhat.com>
152         PR c++/80562 - ICE with constexpr if.
153         * semantics.c (finish_if_stmt_cond): Call
154         instantiate_non_dependent_expr.
156         PR c++/80829 - ICE with constexpr copy of base subobject.
157         * constexpr.c (clear_no_implicit_zero): New.
158         (cxx_eval_call_expression): Call it.
160 2017-06-19  Nathan Sidwell  <nathan@acm.org>
162         PR c++/81124
163         PR c++/79766
164         * name-lookup.c (set_decl_namespace): Don't follow using
165         directives and ignore using decls.  Only check overly-explicit
166         scope after discovering decl.
168 2017-06-19  Jason Merrill  <jason@redhat.com>
170         PR c++/81073 - constexpr and static var in statement-expression.
171         * typeck2.c (store_init_value): Always call
172         require_potential_constant_expression.
173         * pt.c (convert_nontype_argument): Likewise.
174         * constexpr.c (potential_constant_expression_1): Adjust message.
175         Use decl_maybe_constant_var_p instead of decl_constant_var_p.
176         * decl2.c (decl_maybe_constant_var_p): Consider initializer.
178 2017-06-19  Nathan Sidwell  <nathan@acm.org>
180         * pt.c (coerce_template_parms): Fix indentation.
181         (tsubst_decl): Remove repeated SET_DECL_RTL.  Move VAR_P handling
182         in to single block.
184         PR c++/81119
185         * name-lookup.c (update_binding): Only warn about constructors
186         hidden by functions.
188 2017-06-17  Jason Merrill  <jason@redhat.com>
190         PR c++/60063 - -Wunused-local-typedefs and templates.
191         * decl2.c (is_late_template_attribute): Return false for "used".
193         PR c++/70844 - -Wuseless-cast and inheriting constructor.
194         * method.c (forward_parm): Suppress warn_useless_cast.
196 2017-06-16  Jason Merrill  <jason@redhat.com>
198         PR c++/81045 - Wrong type-dependence with auto return type.
199         * pt.c (type_dependent_expression_p): An undeduced auto outside the
200         template isn't dependent.
201         * call.c (build_over_call): Instantiate undeduced auto even in a
202         template.
204         PR c++/80465 - ICE with generic lambda with noexcept-specifier.
205         * lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
206         set longer for a generic lambda.
208         PR c++/80614 - Wrong mangling for C++17 noexcept type
209         * mangle.c (write_type): Put the eh spec back on the function type.
211         PR c++/81102 - Wrong error with partial specialization.
212         * pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
213         types.  Do type deduction later.
215         PR c++/81074 - ICE with partial specialization of member template.
216         PR c++/71747
217         * pt.c (get_partial_spec_bindings): Only coerce innermost args.
219         PR c++/80831 - ICE with -fsyntax-only.
220         * decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
222         PR c++/80639 - ICE with invalid PMF initialization.
223         PR c++/80043 - ICE with -fpermissive
224         * typeck.c (convert_for_assignment): Recurse when instantiate_type
225         returns without an error.
227 2017-06-16  Nathan Sidwell  <nathan@acm.org>
229         * pt.c (tsubst_baselink): Fix & clarify formatting.
231         * cp-tree.h (build_this_parm, cp_build_parm_decl,
232         build_artificial_parm): Add FN parm.
233         * decl.c (start_cleanup_fn): Adjust.
234         (build_this_parm): Add FN parm, pass it through.
235         (grokfndecl): Adjust parm building.
236         * decl2.c (cp_build_parm_decl): Add FN parm, set context.
237         (build_artificial_parm): Add FN parm, pass through.
238         (maybe_retrofit_in_chrg): Adjust parm building.
239         (start_static_storage_duration_function): Likwise.
240         * lambda.c (maybe_aadd_lambda_conv_op): Likewise.
241         * method.c (implicitly_declare_fn): Likewise.
242         * parser.c (inject_this_parameter): Likewise.
244         Symbol tables are insert only.
245         * cp-tree.h (default_hash_traits <lang_identifier *>): Don't
246         derive from pointer_hash.  Make undeletable.
248         * class.c (resort_type_method_vec): Avoid potential unsigned
249         overflow.
251         Don't defer noexcept_deferred_spec.
252         * cp-tree.h (unevaluated_noexcept_spec): Don't declare.
253         * decl.c (cxx_init_decl_processing): Initialize
254         noexcept_deferred_spec.
255         * except.c (unevaluated_noexcept_spec): Delete.
256         * class.c (deduce_noexcept_on_destructor): Use
257         noexcept_deferred_spec directly.
258         * method.c (implicitly_declare_fn): Likewise.
260         Make keyed_classes a vector.
261         * cp-tree.h (CPTI_KEYED_CLASSES, keyed_classes): Delete.
262         (keyed_classes): Declare as vector.
263         * decl.c (keyed_classes): Define.
264         (cxx_init_decl_processing): Allocate it.
265         (record_key_method_defined): Use vec_safe_push.
266         * class.c (finish_struct_1): Likewise.
267         * pt.c (instantiate_class_template_1): Likewise.
268         * decl2.c (c_parse_final_cleanups): Reverse iterate keyed_classes.
270         Make rtti lazier
271         * rtti.c (enum tinfo_kind): Add TK_DERIVED_TYPES,
272         TK_VMI_CLASS_TYPES, TK_MAX.  Delete TK_FIXED.
273         (tinfo_names): New.
274         (typeid_ok_p): Add quotes to error messages.  Use get_tinfo_desc.
275         (get_tinfo_decl): Use get_tinfo_desc.
276         (get_pseudo_ti_init): Likewise. Adjust VMI construction.
277         (create_pseudo_type_info): Delete.
278         (get_pseudo_ti_index): Just determine the index.
279         (get_tinfo_desc): New.  Create all types lazily.
280         (create_tinfo_types): Just allocate the descriptor array.
281         (emit_support_tinfos): Use non-inserting type lookup.  Set builtin
282         location.
284 2017-06-15  Martin Sebor  <msebor@redhat.com>
286         PR c++/80560
287         * call.c (first_non_public_field, maybe_warn_class_memaccess): New
288         functions.
289         (has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
290         (build_cxx_call): Call maybe_warn_class_memaccess.
292 2017-06-14  Jakub Jelinek  <jakub@redhat.com>
294         * cp-gimplify.c (cp_genericize_r): Turn most of the function
295         into a switch (TREE_CODE (stmt)) statement from long else if
296         sequence.
298 2017-06-13  Jakub Jelinek  <jakub@redhat.com>
300         PR c++/80973
301         * cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
302         argument even if it has REFERENCE_TYPE.
304         PR c++/80984
305         * cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
306         BLOCK_VARS (outer) chain.
307         (cxx_omp_const_qual_no_mutable): Likewise.
309 2017-06-13  Martin Liska  <mliska@suse.cz>
311         PR sanitize/78204
312         * class.c (build_base_path): Use sanitize_flags_p.
313         * cp-gimplify.c (cp_genericize_r): Likewise.
314         (cp_genericize_tree): Likewise.
315         (cp_genericize): Likewise.
316         * cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
317         * decl.c (compute_array_index_type): Likewise.
318         (start_preparsed_function): Likewise.
319         * decl2.c (one_static_initialization_or_destruction): Likewise.
320         * init.c (finish_length_check): Likewise.
321         * lambda.c (maybe_add_lambda_conv_op): Likewise.
322         * typeck.c (cp_build_binary_op): Likewise.
323         (build_static_cast_1): Likewise.
325 2017-06-11  Jason Merrill  <jason@redhat.com>
327         * error.c (dump_expr): Use is_this_parameter.
329         * cp-tree.h, decl2.c, mangle.c, parser.c, pt.c, semantics.c: Use
330         id_equal.
332 2017-06-09  Jason Merrill  <jason@redhat.com>
334         Missing bits from N4268, constant evaluation for all non-type args.
335         * call.c (build_converted_constant_expr): Rename from
336         build_integral_nontype_arg_conv, handle all types.
337         * pt.c (convert_nontype_argument): In C++17 call it for all types.
338         Move NOP stripping inside pointer case, don't strip ADDR_EXPR.
339         * cvt.c (strip_fnptr_conv): Also strip conversions to the same type.
341         Overhaul pointer-to-member conversion and template argument handling.
342         * call.c (standard_conversion): Avoid creating ck_pmem when the
343         class type is the same.
344         * cvt.c (can_convert_qual): Split from
345         perform_qualification_conversions.
346         * constexpr.c (cxx_eval_constant_expression): Check it.
347         * typeck.c (convert_ptrmem): Only cplus_expand_constant if
348         adjustment is necessary.
349         * pt.c (check_valid_ptrmem_cst_expr): Compare class types.
350         (convert_nontype_argument): Avoid redundant error.
352         * call.c (convert_like_real): Remove "inner" parameter.
353         Don't replace a constant with its value.
354         * cp-gimplify.c (cp_fully_fold): Use cp_fold_rvalue.
356         * pt.c (convert_nontype_argument): Check NULLPTR_TYPE_P rather than
357         nullptr_node.
359         * parser.c (cp_parser_constant_expression): Check
360         potential_rvalue_constant_expression after decay_conversion.
361         * pt.c (convert_nontype_argument): Don't require linkage in C++17.
363         PR c++/80384 - ICE with dependent noexcept-specifier
364         * pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
365         noexcept-specifier.
367         * constexpr.c (potential_constant_expression_1): Allow 'this' capture.
369 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
371         * class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
372         * decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
373         (excpet.c): Mark terminate as cold.
375 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
377         PR c/81006
378         * semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
379         to sizetype before size_binop.
381         PR c++/81011
382         * cp-gimplify.c (cxx_omp_finish_clause): When changing clause
383         to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
384         and OMP_CLAUSE_SHARED_READONLY flags.
386 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
388         * cp-tree.h (lang_check_failed): Annotate by ATTRIBUTE_COLD.
390 2017-06-07  Nathan Sidwell  <nathan@acm.org>
392         * class.c (layout_class_type): Restructure overlong-bitfield tpe
393         search.
395 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
397         PR c++/80990
398         * pt.c (do_class_deduction): Build qualified type.
400 2017-06-06  Nathan Sidwell  <nathan@acm.org>
402         * name-lookup.c (suggest_alternatives_for): Use qualified lookup
403         sans using directives.  Don't walk into inline namespaces.
405         PR c++/80979
406         * name-lookup.c (adl_class_only): Don't add visible friends.
408 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
410         * parser.c (cp_parser_base_specifier): Fix typos in error messages.
412 2017-06-02  Nathan Sidwell  <nathan@acm.org>
414         Remove lang_type_ptrmem.
415         * cp-tree.h (lang_type_header): Remove is_lang_type_class. Move
416         into ...
417         (lang_type_class): ... this.  Reorder bitfields.  Rename to ...
418         (lang_type): ... this.  Delete old definition.
419         (lang_type_ptrmem): Delete.
420         (LANG_TYPE_CLASS_CHECK): Simply get TYPE_LANG_SPECIFIC.  Adjust uses.
421         (LANG_TYPE_PTRMEM_CHECK): Delete.
422         (TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): Delete.
423         (TYPE_PTRMEMFUNC_TYPE): New.  Use TYPE_LANG_SLOT_1.
424         * decl.c (build_ptrmemfunc_type): Adjust.
425         * lex.c (copy_lang_type): Remove lang_type_ptrmem handling.
426         (maybe_add_lang_type_raw): Don't set u.c.h.is_lang_type_class.
427         
428         * class.c (check_bases_and_members): Adjust vec_new_uses_cookie
429         setting.
430         
431         Remove cp_binding_level::namespaces
432         * name-lookup.h (cp_binding_level): Lose namespaces field.
433         * name-lookup.c (add_decl_to_level): Chain namespaces on the names
434         list.
435         (suggest_alternatives_for): Adjust for namespace list.  Do
436         breadth-first search.
437         * decl2.c (collect_source_refs): Namespaces are on the regulr
438         list.
439         (collect_ada_namespace): Likewise.
441 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
443         * typeck.c (cp_build_binary_op): Implement the -Wsizeof_pointer_div
444         warning.
446 2017-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
448         PR c++/80812
449         * method.c (constructible_expr): Strip array types before calling
450         build_value_init.
452 2017-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
454         PR c++/80896
455         * cvt.c (convert_to_void): Possibly call maybe_warn_nodiscard
456         for case INDIRECT_REF too in the main switch.
458 2017-05-31  Jason Merrill  <jason@redhat.com>
460         PR c++/80840 - ICE with constexpr and reference
461         * pt.c (convert_nontype_argument): Don't test whether a decl is
462         value-dependent when binding to a reference.
464 2017-05-31  Nathan Sidwell  <nathan@acm.org>
466         * cp-tree.h (lang_decl_slector): New enum.
467         (lang_decl_base): Make selector an enum.  Drop decomposition_p
468         field.
469         (lang_decl): Use enum for discrimination.
470         (LANG_DECL_FN_CHECK, LANG_DECL_NS_CHECK, LANG_DECL_PARM_CHECK,
471         LANG_DECL_DEOMP_CHECK): Use enum.
472         (DECL_DECOMPOSITION_P): Use selector value.
473         (SET_DECL_DECOMPOSITION_P): Delete.
474         (retrofit_lang_decl): Lose SEL parm.
475         (fit_decomposition_lang_decl): Declare.
476         * decl.c (cp_finish_decomp, grokdeclarator): Use
477         fit_decomposition_lang_decl.
478         * lex.c (maybe_add_lang_decl_raw): New. Broken out of
479         retrofit_lang_decl.
480         (set_decl_linkage): New.  Broken out of retrofit_lang_decl.  Use enum.
481         (fit_decomposition_lang_decl): Likewise.
482         (retrofit_lang_decl): Use worker functions.
483         (cxx_dup_lang_specific_decl): Use selector enum.
484         (maybe_add_lang_type_raw): New.  Broken out of ...
485         (cxx_make_type_name): ... here.  Call it.
487 2017-05-30  Jason Merrill  <jason@redhat.com>
489         PR c++/80856 - ICE with local extern in template
490         * semantics.c (finish_call_expr): Replace a local extern overload
491         set in a template with the IDENTIFIER_NODE.
493 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
495         * call.c (perform_implicit_conversion_flags): Convert
496         "from %qT to %qT" to "from %qH to %qI" in diagnostic.
497         (print_conversion_rejection): Replace pairs of %qT with
498         %qH and %qI in various places.
499         (build_user_type_conversion_1): Likewise.
500         (build_integral_nontype_arg_conv): Likewise.
501         (build_conditional_expr_1): Likewise.
502         (convert_like_real): Likewise.
503         (convert_arg_to_ellipsis): Likewise.
504         (joust): Likewise.
505         (initialize_reference): Likewise.
506         * cvt.c (cp_convert_to_pointer): Likewise.
507         (cp_convert_to_pointer): Likewise.
508         (convert_to_reference): Likewise.
509         (ocp_convert): Likewise.
510         * error.c (cp_printer): Gain bool and const char ** parameters.
511         (struct deferred_printed_type): New struct.
512         (class cxx_format_postprocessor): New class.
513         (cxx_initialize_diagnostics): Wire up a cxx_format_postprocessor
514         to pp->m_format_postprocessor.
515         (comparable_template_types_p): New function.
516         (newline_and_indent): New function.
517         (arg_to_string): New function.
518         (print_nonequal_arg): New function.
519         (print_template_differences): New function.
520         (type_to_string_with_compare): New function.
521         (print_template_tree_comparison): New function.
522         (append_formatted_chunk): New function.
523         (add_quotes): New function.
524         (cxx_format_postprocessor::handle): New function.
525         (defer_phase_2_of_type_diff): New function.
526         (cp_printer): Add "quoted" and "buffer_ptr" params.  Implement
527         %H and %I.
528         * typeck.c (cp_build_binary_op): Replace pairs of %qT with
529         %qH and %qI in various places.
530         (convert_member_func_to_ptr): Likewise.
531         (build_reinterpret_cast_1): Likewise.
532         (convert_for_assignment): Likewise.
533         * typeck2.c (check_narrowing): Likewise.
535 2017-05-30  Nathan Sidwell  <nathan@acm.org>
537         Kill IDENTIFIER_NAMESPACE_BINDINGS
538         * cp-tree.h (lang_identifier): Delete namespace_bindings.
539         (IDENTIFIER_NAMESPACE_BINDINGS): Delete.
540         (lang_decl_ns): Add bindings.
541         (DECL_NAMESPACE_BINDINGS): New.
542         * lex.c (retrofit_lang_decl): Create namespace hash table.
543         * name-lookup.c (find_namespace_slot): Change to use hash-map.
544         * ptree.c (cxx_print_binding): Delete.
545         (cxx_print_identifier): Remove NAMESPACE_BINDING printing.
547         * cp-tree.def (OVERLOAD): Fix comment.
548         * cp-tree.h: Fix comments and whitespace.
549         * error.c (dump_decl): Use pp_cxx_colon_colon, ovl_scope.
550         * name-lookup.c (add_decl_to_level): Assert not class.
551         (check_local_shadow): Use OVL_P.
552         (pushdecl_with_scope_1): Rename to ...
553         (do_pushdecl_with_Scope): ... here.
554         (do_nonmember_using_decl): Use qualified_namespace_lookup return
555         value.
556         (push_class_level_binding_1): Use OVL_P.
557         (pushdecl_namespace_level): Use do_pushdecl_with_scope.
558         (pushtag_1): Rename to ...
559         (do_pushtag): ... here.  Adjust do_pushdecl_with_scope call.
560         (pushtag): Adjust.
561         (store_class_bindings): Do not time here.
562         * name-lookup.h (pushdecl_outermost_localscope): Reorder.
563         * pt.c (listify): Declare argvec at point of initialization.
565         PR c++/80913
566         * name-lookup.c (add_decl_to_level): Assert not making a circular
567         chain.
568         (update_binding): Don't prematurely slide artificial decl.
570 2017-05-29  Alexandre Oliva <aoliva@redhat.com>
572         * cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
574 2017-05-29  Nathan Sidwell  <nathan@acm.org>
576         PR c++/80891 (#1,#5)
577         * cp-tree.h (lookup_maybe_add): Add DEDUPING argument.
578         * name-lookup.c (name_lookup): Add deduping field.
579         (name_lookup::preserve_state, name_lookup::restore_state): Deal
580         with deduping.
581         (name_lookup::add_overload): New.
582         (name_lookup::add_value, name_lookup::add_fns): Call add_overload.
583         (name_lookup::search_adl): Set deduping.  Don't unmark here.
584         * pt.c (most_specialized_instantiation): Revert previous change,
585         Assert not given duplicates.
586         * tree.c (lookup_mark): Just mark the underlying decls.
587         (lookup_maybe_add): Dedup using marked decls.
589         PR c++/80891 (#4)
590         * ptree.c (cxx_print_xnode): Show internal OVERLOAD structure.
591         * tree.c (ovl_insert, ovl_iterator_remove_node): Fix copying assert.
593         Stat hack representation
594         * name-lookup.c (STAT_HACK_P, STAT_TYPE, STAT_DECL,
595         MAYBE_STAT_DECL, MAYBE_STAT_TYPE): New.
596         (stat_hack): New.
597         (find_namespace_binding): Replace with ...
598         (find_namespace_slot): ... this.
599         (find_namespace_value): New.
600         (name_lookup::search_namespace_only,
601         name_lookup::adl_namespace_only): Adjust.
602         (update_binding): Add SLOT parameter, adjust.
603         (check_local_shadow): Use find_namespace_value.
604         (set_local_extern_decl_linkage): Likewise.
605         (do_pushdecl): Adjust for namespace slot.
606         (push_local_binding): Assert not a namespace binding.
607         (check_for_out_of_scope_variable): Use find_namespace_value.
608         (set_identifier_type_value_with_scope): Likewise.
609         (get_namespace_binding): Likewise.
610         (set_namespace_binding): Delete.
611         (set_global_binding): Directly update the binding.
612         (finish_namespace_using_decl): Likewise.
613         (lookup_type_scope_1): Use find_namespace_slot and update.
614         (do_push_nested_namespace): Use find_namespace_value.
616         PR c++/80891 (#1)
617         * pt.c (most_specialized_instantiation): Cope with duplicate
618         instantiations.
620         PR c++/80891 (#3)
621         * cp-tree.h (build_min_nt_call_vec): Declare.
622         * decl.c (build_offset_ref_call_from_tree): Call it.
623         * parser.c (cp_parser_postfix_expression): Likewise.
624         * pt.c (tsubst_copy_and_build): Likewise.
625         * semantics.c (finish_call_expr): Likewise.
626         * tree.c (build_min_nt_loc): Keep unresolved lookups.
627         (build_min): Likewise.
628         (build_min_non_dep): Likewise.
629         (build_min_non_dep_call_vec): Likewise.
630         (build_min_nt_call_vec): New.
632         PR c++/80891 (#2)
633         * tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
634         (ovl_used): New.
635         (lookup_keep): Call it.
637 2017-05-26  Nathan Sidwell  <nathan@acm.org>
639         Implement DR2061
640         * name-lookup.c (push_inline_namespaces): New.
641         (push_namespace): Look inside inline namespaces.
643         Inline and using namespace representation change.
644         * cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
645         inlinees as vector.
646         (DECL_NAMESPACE_USING): Adjust.
647         (DECL_NAMESPACE_INLINEES): New.
648         * name-lookup.h (struct cp_binding_level): Change usings
649         representation.
650         * name-lookup.c (name_lookup::do_queue_usings,
651         name_lookup::queue_usings): Adjust.
652         (name_lookup::search_namespace, name_lookup::search_usings,
653         name_lookup::queue_namespace): Adjust.
654         (name_lookup::adl_namespace_only): Adjust.
655         (add_using_namespace, push_namespace): Push onto vector.
656         (pop_namespace): Add timing logic.
658         * call.c (build_operator_new_call): Do namelookup and ADL here.
659         (build_new_op_1): Likewise.
660         * name-lookup.h (lookup_function_nonclass): Delete declaration.
661         (do_using_directive): Likewise.
662         * name-lookup.c (set_namespace_binding, push_local_binding): Don't
663         declare early.
664         (struct scope_binding): Delete.
665         (EMPTY_SCOPE_BINDING): Delete.
666         (set_decl_namespace): Use OVL_P.
667         (finish_local_using_decl): Lose unnecesary checks.
668         (lookup_function_nonclass): Delete.
669         (cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
671         * cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
672         (ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
673         unduplicatable.
674         (ovl_iterator::maybe_push, ovl_iterator::pop): New.
675         (lkp_iterator): Add outer field.  Adjust ctor.
676         (lkp_iterator::operator++): New.
677         (lookup_mark, lookup_maybe_add): Declare.
678         * name-lookup.c (name_lookup): Delete fn_set member.
679         (name_lookup::preserve_state, name_lookup::restore_state): Unmark
680         and mark lookup.
681         (name_lookup::add_value): Use lookup_add directly.
682         (name_lookup::add_fns: Use lookup_maybe_add.
683         (name_lookup::search_adl): Mark and unmark fns.
684         (pushdecl): Adjust.
685         * pt.c (check_explicit_specialization): Use lookup_add directly.
686         * ptree.c (cxx_print_xnode): Show complete overload structure.
687         * tree.c (lookup_mark, lookup_maybe_add): New.
689         * name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
691 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
693         * cp-tree.h (struct lang_decl_decomp): New type.
694         (struct lang_decl): Add u.decomp.
695         (LANG_DECL_DECOMP_CHECK): Define.
696         (DECL_DECOMPOSITION_P): Note it is set also on the vars
697         for user identifiers.
698         (DECL_DECOMP_BASE): Define.
699         (retrofit_lang_decl): Add extra int = 0 argument.
700         * lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
701         use it to influence the selector choices and for selector
702         0 to non-zero transition copy old content.
703         (cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
704         * decl.c (poplevel): For DECL_DECOMPOSITION_P, check
705         !DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
706         wording if decl is a structured binding.
707         (cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
708         Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
709         of individual variables for tuple structured bindings.
710         (grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
711         Clear DECL_DECOMP_BASE.
712         * decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
713         * pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
714         is expected.
715         * expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
716         DECL_VALUE_EXPR.
718 2017-05-25  Jason Merrill  <jason@redhat.com>
720         PR c++/80605 - __is_standard_layout and zero-length array
721         * class.c (check_bases): Use DECL_FIELD_IS_BASE.
723 2017-05-25  Nathan Sidwell  <nathan@acm.org>
725         Kill OVL_CURRENT, OVL_NEXT.
726         * cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
727         * name-lookup.c (set_decl_namespace): Use ovl_iterator.
728         (consider_binding_level): Use OVL_FIRST.
729         (cp_emit_debug_info_for_using): Use lkp_iterator.
730         * pt.c (check_explicit_specialization): Use ovl_iterator.       
732         Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
733         * cp-tree.h (lang_decl_ns): Remove ns_users field.
734         (DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
735         (TREE_INDIRECT_USING): Delete.
736         * name-lookup.h (is_associated_namespace): Delete.
737         * name-lookup.c (name_lookup::search_usings,
738         name_lookup::do_queue_usings): Usings are always direct.
739         (is_associated_namespace): Delete.
740         (handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
741         (namespace_ancestor_1, namespace_ancestor): Delete.
742         (push_using_directive_1, push_using_directive): Delete.
743         (add_using_namespace_1): Delete.
744         (add_using_namespace): Reimplement.
745         (emit_debug_info_using_namespace): New.
746         (finish_namespace_using_directive, finish_local_using_directive,
747         push_namespace): Adjust.
748         * tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
750 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
752         * semantics.c (finish_handler_parms): Warn about non-reference type
753         catch handlers.
755 2017-05-25  Nathan Sidwell  <nathan@acm.org>
757         Reimplement unqualified namespace lookup.
758         * name-lookup.c (name_lookup::using_pair,
759         name_lookup::using_queue): New typedefs.
760         (name_lookup::queue_namespace, name_lookup::do_queue_usings,
761         name_lookup::queue_usings): New.
762         (name_lookup::search_unqualified): New.
763         (merge_functions, same_entity_p, ambiguous_decl,
764         unqualified_namespace_lookup_1, unqualified_namespace_lookup,
765         lookup_using_namespace): Delete.
766         (lookup_name_real_1): Adjust.
768         Reimplement qualified namespace lookup.
769         * name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
770         (name_lookup::ambiguous, name_lookup::add_value,
771         name_lookup::add_type, name_lookup::process_binding): New.
772         (name_lookup::search_namespace_only,
773         name_lookup::search_namespace, name_lookup::search_usings): New.
774         (name_lookup::search_qualified): New.
775         (do_nonmember_using_decl, suggest_alternatives_for,
776         lookup_qualified_name): Adjust.
777         (tree_vec_contains): Delete.
778         (qualified_lookup_using_namespace): Rename to ...
779         (qualified_namespace_lookup): ... here.  Reimplement.
781         Reimplement ADL.
782         * cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
783         * name-lookup.h (lookup_arg_dependent): Return plain tree.
784         * name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
785         arg_assoc_args_vec, arg_assoc_type, add_function,
786         arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
787         arg_assoc_class, arg_assoc_template_arg, arg_assoc,
788         lookup_arg_dependent_1): Delete.
789         (name_lookup): New lookup object.
790         (name_lookup::preserve_state, name_lookup::restore_state,
791         name_lookup::mark_seen, name_lookup::find_and_mark,
792         name_lookup::add_fns, name_lookup::adl_namespace_only,
793         name_lookup::adl_namespace, name_lookup::adl_class_only,
794         name_lookup::adl_bases, name_lookup::adl_class,
795         name_lookup::adl_expr, name_lookup::adl_type,
796         name_lookup::adl_template_arg, name_lookup::search_adl): New.
797         (lookup_arg_dependent): Return a plain tree.  Adjust.
798         (is_associated_namespace): Move later.
799         
800 2017-05-24  Nathan Sidwell  <nathan@acm.org>
802         * friend.c (do_friend): Remove check for existing decl.
803         * name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
804         * name-lookup.c (push_local_binding): Directly look for binding.
805         (lookup_name_innermost_nonclass_level_1): Delete.
806         (lookup_name_innermost_nonclass_level): Delete.
808         * Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
810         * cp-tree.h (cp_free_lang_data): Add extern.
811         (ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
812         ATTRIBUTE_PURE.
813         (type_unknown_p): Return bool, make inline, lose TREE_LIST check.
814         * typeck.c (type_unknown_p): Delete.
815         * tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
816         overload management.
817         (dependent_name): Likewise.
818         (decl_anon_ns_mem_p): Simplify.
820 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
822         PR c++/80544
823         * tree.c (reshape_init): Use unqualified type for direct enum init.
824         * typeck.c (maybe_warn_about_cast_ignoring_quals): New.
825         (build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
826         non-class destination types.
827         (build_const_cast_1): Strip cv-quals from destination types.
828         (build_static_cast, build_reinterpret_cast, build_const_cast)
829         (cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
831 2017-05-24  Martin Sebor  <msebor@redhat.com>
833         PR c/80731
834         * call.c (fully_fold_internal): Adjust.
836 2017-05-24  Nathan Sidwell  <nathan@acm.org>
838         * cp-tree.h (ovl_skip_hidden): Declare.
839         * tree.c (ovl_skip_hidden): New.
840         * name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
841         (lookup_arg_dependent_1): Likewise.
842         (ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
843         (hidden_name_p, remove_hidden_names): Delete.
844         (lookup_name_real_1): Do not strip hidden names.
845         * name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
847         * cp-tree.h (OVL_HIDDEN_P): New.
848         (ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
849         (ovl_iterator::reveal_node): Declare.
850         * tree.c (ovl_copy): Copy OVL_HIDDEN_P.
851         (ovl_insert): Order on hiddenness.
852         (ovl_iterator::reveal_node): New.
853         * name-lookup.c (anticipated_builtin_p): New.
854         (supplement_binding_1): Use it.
855         (set_local_extern_decl_linkage): Use hidden_p.
856         (do_pushdecl): Deal with unhiding a hidden decl, use
857         anticipated_builtin_p.
858         (do_nonmember_using_decl): Use anticipated_decl_p.
859         (lookup_name_real_1): Use DECL_HIDDEN_P.
861 2017-05-23  Jason Merrill  <jason@redhat.com>
863         -Wunused and C++17 structured bindings
864         * decl.c (poplevel): Don't warn about unused structured bindings,
865         only real variables.
866         * error.c (dump_simple_decl): Handle structured bindings.
867         * expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
869 2017-05-23  Nathan Sidwell  <nathan@acm.org>
871         * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
872         * name-lookup.c (create_local_binding): New.
873         (update_binding): New.
874         (pushdecl_maybe_friend_1): Rename to ...
875         (do_pushdecl): ... this.  Reimplement.
876         (pushdecl): Adjust.
877         (push_overloaded_decl_1, push_overloaded_decl): Delete.
879 2017-05-23  Jason Merrill  <jason@redhat.com>
881         PR c++/80396 - built-in for make_integer_sequence.
882         * pt.c (builtin_pack_fn_p, builtin_pack_call_p)
883         (expand_integer_pack, expand_builtin_pack_call): New.
884         (find_parameter_packs_r): Check builtin_pack_call_p.
885         (check_for_bare_parameter_packs): Handle it.
886         (tsubst_pack_expansion): Call expand_builtin_pack_call.
887         (declare_integer_pack): New.
888         (init_template_processing): Call it.
889         * decl2.c (mark_used): Check builtin_pack_fn_p.
891 2017-05-23  Nathan Sidwell  <nathan@acm.org>
893         * name-lookup.c (find_namespace_binding): New.
894         (pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
895         (set_identifier_type_value_with_scope): Use find_namespace_binding.
896         (find_binding, cp_binding_level_find_binding_for_name,
897         binding_for_name, namespace_binding_1): Delete.
898         (push_overloaded_decl_1): Use CP_DECL_CONTEXT.
899         (get_namespace_binding, set_namespace_binding,
900         finish_namespace_using_decl, unqualified_namespace_lookup_1,
901         qualified_lookup_using_namespace, lookup_type_scope_1,
902         lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
904         PR c++/80866
905         * parser.c (cp_parser_template_id): Keep the lookup when stashing
906         the template_id.
908         * cp-tree.h (DECL_HIDDEN_P): New.
909         * name-lookup.c (set_decl_context,
910         set_local_extern_decl_linkage): New, broken out of ...
911         (pushdecl_maybe_friend_1): ... here.  Call them.
913 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
915         * parser.c (OACC_KERNELS_CLAUSE_MASK): Add
916         "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
917         "VECTOR_LENGTH".
919 2017-05-23  Nathan Sidwell  <nathan@acm.org>
921         * cp-tree.h (OVL_P): New.
922         * name-lookup.h (push_local_binding): Delete.
923         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
924         (finish_namespace_using_decl, finish_local_using_decl): ... here
925         * name-lookup.c (add_decl_to_level): Swap args.
926         (pop_bindings_and_leave_scope): Look inside TREE_LIST.
927         (diagnose_name_conflict): Check contexts are same for redecl.
928         (update_local_overload): New.
929         (compparms_for_decl_and_using): Rename to ...
930         (matching_fn_p): ... here.
931         (pushdecl_maybe_friend_1): Adjust add_decl_to_level,
932         push_local_bindings call.
933         (push_local_binding): Make static, replace FLAGS arg with
934         IS_USING.
935         (validate_nonmember_using_decl): Use OVL_FIRST.
936         (do_nonmember_using_decl): Use in/out parameters.  Use
937         lkp_iterator and simplify.
938         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
939         (finish_namespace_using_decl, finish_local_using_decl): ... here.
940         Adjust.
941         (lookup_type_current_level): Delete.
942         * parser.c (cp_parser_using_declaration): Adjust.
943         * pt.c (tsubst_expr): Adjust.
945 2017-05-22  Nathan Sidwell  <nathan@acm.org>
947         * name-lookup.h (parse_using_directive): Replace with ...
948         (finish_namespace_using_directive): ... this and ...
949         (finish_local_using_directive): ... this.
950         * name-lookup.c (add_using_namespace_1): Move later.
951         (add_using_namespace): Move later, add namespace_p arg, remove
952         indirect arg.
953         (push_using_directive_1): Directly recurse.
954         (do_using_directive, parse_using_directive): Delete, split into ...
955         (finish_namespace_using_directive): ... this and ...
956         (finish_local_using_directive): ... this.
957         (push_namespace): Use add_using_namespace.
958         * parser.c (cp_parser_using_directive): Call
959         finish_namespace_using_directive or finish_local_using_directive.
960         * pt.c (tsubst_expr): Call finish_local_using_directive.
962         * cp-objcp-common.c (cp_register_dumps): Register raw dumper.
963         * cp-tree.h (raw_dump_id): Declare.
964         * decl2.c (raw_dump_id): Define.
965         (dump_tu): Use raw_dump_id.
967         * config-lang.in (gtfiles): Sort list, break lines.
969         * cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
970         (CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
971         ( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
972         CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
973         CPTI_RETHROW_FN): New.
974         (noexcept_deferred_spec): New.
975         (terminate_node, call_unexpected_node): Rename to ...
976         (terminate_fn, call_unexpected_fn): ... here.
977         (get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
978         allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
979         * except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
980         (init_exception_processing): Adjust.
981         (declare_library_fn): Create and push the fns here.
982         (do_get_exception_ptr, do_begin_catch, do_end_catch,
983         do_allocate_exception_ptr, do_free_exception_ptr): Adjust
984         declare_library_fn use.
985         (unevaluated_noexcept_spec): Adjust.
986         * cp-gimplify.c (genericize_eh_spec_block,
987         gimplify_most_not_throw_expr): Adjust.
989         * name-lookup.c (pushdecl_top_level,
990         pushdecl_top_level_and_finish): Move after namespace pushing and
991         popping functions.
992         (push_to_top_level): Rename to ...
993         (do_push_to_top_level): ... here.  Remove timing code.
994         (pop_from_top_level_1): Rename to ...
995         (do_pop_from_top_level): ... here.
996         (do_push_nested_namespace, do_pop_nested_namespace)
997         (push_to_top_level): New wrapper for do_push_to_top_level.
998         (pop_from_top_level): Adjust.
999         (push_nested_namepace, pop_nested_namespace): Wrappers for workers.
1001 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1003         * config-lang.in (gtfiles): Add c-family/c-format.c,
1004         except.c, init.c, lambda.c and friend.c.
1005         * class.c (dvirt_fn): Move out of function scope,
1006         add GTY attribute.
1007         * except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
1008         * init.c (fn): Likewise.
1009         * lambda.c (ptr_id, max_id): Likewise.
1010         * friend.c (global_friend): Add GTY attribute.
1012 2017-05-19  Nathan Sidwell  <nathan@acm.org>
1014         * call.c (add_list_candidates): Use OVL_FIRST.
1015         (build_new_method_call_1): Likewise.
1016         * cp-tree.h (OVL_SINGLE_P): New.
1017         (TYPE_HIDDEN_P): New.
1018         * decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
1019         * dump.c (cp_tump_tree): Adjust overload dumping.
1020         * error.c (dump_decl): Use OVL_SINGLE_P, simplify context
1021         printing.
1022         * method.c (lazily_declare_fn): Assert we added it.
1023         * parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
1024         OVL_FIRST.
1025         (cp_parser_template_name): Use lkp_iterator.
1026         * pt.c (begin_template_parm_list): Fixup comment.
1027         (instantiate_class_template_1): Use TYPE_HIDDEN_P.
1028         * tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
1029         (ovl_scope): Use lkp_iterator.
1031 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
1033         * parser.c (cp_parser_omp_clause_default): Handle
1034         "OMP_CLAUSE_DEFAULT_PRESENT".
1036         * parser.c (cp_parser_omp_clause_default): Avoid printing more
1037         than one syntax error message.
1039 2017-05-19  Nathan Sidwell  <nathan@acm.org>
1041         * class.c (class_dump_id): Define.
1042         (dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
1043         * cp-objcp-common.c (cp_register_dumps): New.
1044         * cp-objcp-common.h (cp_register_dumps): Declare.
1045         (LANG_HOOKS_REGISTER_DUMPS): Override.
1046         * cp-tree.h (class_dump_id): Declare.
1048 2017-05-18  Nathan Sidwell  <nathan@acm.org>
1050         * cp-tree.h (OVL_ARG_DEPENDENT): Delete.
1051         (OVL_USED_P): New.
1052         (lookup_keep): Declare.
1053         * name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
1054         * pt.c (tsubst_copy): Assert lookup is persistent.
1055         * semantics.c (finish_call_expr): Use lkp_iterator, call
1056         lookup_keep.
1057         * tree.c (ovl_copy): New.
1058         (ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
1059         (lookup_keep): New.
1061         * cp-tree.h (OVL_USED): Replace with ...
1062         (OVL_USING_P): ... this.
1063         (ovl_iterator::using_p): Adjust.
1064         * name-lookup.c (push_overloaded_decl_1,
1065         do_nonmember_using_decl): Adjust.
1066         * search.c (lookup_field_r): Adjust.
1067         * tree.c (ovl_insert, ovl_scope): Adjust.
1069         * cp-tree.h (lookup_add): Swap args.
1070         (ovl_cons, build_overload): Delete.
1071         * name-lookup.c (add_function, push_overloaded_decl_1,
1072         do_nonmember_using_decl, merge_functions, remove_hidden_names):
1073         Use lookup_add, ovl_insert.
1074         * pt.c (check_explicit_specialization): Use lookup_add.
1075         (do_class_deduction): Likewise. Refactor if.
1076         * tree.c (lookup_add): Swap args.
1077         (ovl_cons, build_overload): Delete.
1079         * name-lookup.c (find_local_binding): New, broken out of ...
1080         (lookup_name_innermost_nonclass_level_1): ... here.  Call it.
1081         (set_namespace_binding): Swap scope & name args.
1082         (namespace_binding_1): Likewise.
1083         (pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
1084         (push_overloaded_decl_1): Likewise.
1085         (set_global_binding): Likewise.
1086         (get_namespace_binding): Adjust namespace_binding_1 call.
1088 2017-05-17  Nathan Sidwell  <nathan@acm.org>
1090         * cp-tree.h (default_hash_traits <lang_identifier *>): New
1091         specialization.
1092         * name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
1093         (extern_c_fns): New hash table.
1094         (check_extern_c_conflict): New, broken out of ...
1095         (pushdecl_maybe_friend_1): ... here.  Call it.
1096         (c_linkage_bindings): Just look in hash table.
1098 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1100         PR c++/80654
1101         PR c++/80682
1102         Implement new C++ intrinsics __is_assignable and __is_constructible.
1103         * cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
1104         (is_xible): New.
1105         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1106         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
1107         * method.c (constructible_expr): Set cp_unevaluated.
1108         (is_xible_helper): New.
1109         (is_trivially_xible): Adjust.
1110         (is_xible): New.
1111         * parser.c (cp_parser_primary_expression): Handle
1112         RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
1113         (cp_parser_trait_expr): Likewise.
1114         * semantics.c (trait_expr_value): Handle
1115         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
1117 2017-05-17  Nathan Sidwell  <nathan@acm.org>
1119         * cp-tree.h (ovl_iterator::using_p): New predicate.
1120         (ovl_iterator::remove_node): New worker.
1121         (ovl_insert): Declare.
1122         * tree.c (ovl_insert): New.
1123         (ovl_iterator::remove_node): New.
1124         * class.c (add_method): Use ovl_iterator, ovl_insert.
1125         (clone_function_decl): Fix description.
1126         (clone_constructors_and_destructors): Use ovl_iterator.
1128         * class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
1129         (maybe_warn_about_overly_private_class): Use ovl_iterator.
1130         (method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
1131         (resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
1132         (get_base_fndecls): Use ovl_iterator.
1133         (warn_hidden): Use OVL_NAME, ovl_iterator.
1134         (add_implicitly_declared_members): Use ovl_iterator.
1135         * constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
1136         flatten nested if.
1137         (finish_shorthand_constraint): Simplify, use ovl_make.
1138         * pt.c (make_constrained_auto): Simplify.  Use ovl_make.
1139         * search.c (shared_member_p): Use ovl_iterator.
1140         (lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
1141         (lookup_conversion_operator): Use OVL_FIRST.
1142         (lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
1143         (look_for_overrides_here): Use ovl_iterator.
1144         (lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
1145         * typeck.c (build_x_unary_op): Use ovl_make.
1147 2017-05-17  Martin Liska  <mliska@suse.cz>
1149         * class.c (dump_class_hierarchy): Introduce dump_flags_t type and
1150         use it instead of int type.
1151         (dump_vtable): Likewise.
1152         (dump_vtt): Likewise.
1153         * decl2.c (dump_tu): Likewise.
1155 2017-05-16  David Malcolm  <dmalcolm@redhat.com>
1157         * call.c (enforce_access): Add access_failure_info * param and use
1158         it to record access failures.
1159         * cp-tree.h (class access_failure_info): New class.
1160         (enforce_access): Add access_failure_info * param, defaulting to
1161         NULL.
1162         (lookup_member): Likewise.
1163         (locate_field_accessor): New function decl.
1164         (perform_or_defer_access_check): Add access_failure_info * param,
1165         defaulting to NULL.
1166         * search.c (lookup_member): Add access_failure_info * param and
1167         pass it on to call to perform_or_defer_access_check.
1168         (matches_code_and_type_p): New function.
1169         (field_access_p): New function.
1170         (direct_accessor_p): New function.
1171         (reference_accessor_p): New function.
1172         (field_accessor_p): New function.
1173         (struct locate_field_data): New struct.
1174         (dfs_locate_field_accessor_pre): New function.
1175         (locate_field_accessor): New function.
1176         * semantics.c (perform_or_defer_access_check): Add
1177         access_failure_info * param, and pass it on to call to
1178         enforce_access.
1179         * typeck.c (access_failure_info::record_access_failure): New method.
1180         (access_failure_info::maybe_suggest_accessor): New method.
1181         (finish_class_member_access_expr): Pass an access_failure_info
1182         instance to the lookup_member call, and call its
1183         maybe_suggest_accessor method afterwards.
1185 2017-05-16  Marek Polacek  <polacek@redhat.com>
1187         PR sanitizer/80536
1188         PR sanitizer/80386
1189         * cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
1191 2017-05-16  Nathan Sidwell  <nathan@acm.org>
1193         * name-lookup.c (check_local_shadow): New, broke out of ...
1194         (pushdecl_maybe_friend_1): ... here.  Call it.
1196         * cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
1197         (ovl_first): Move inline definition to end of file.
1198         (ovl_make, lookup_add): Declare.
1199         (get_fns, get_first_fn): Make pure.
1200         * tree.c (ovl_cache): New.
1201         (ovl_make, lookup_add): New.
1202         * pt.c (do_class_deduction): Don't add candidates that will be
1203         elided.
1205         * call.c (build_user_type_conversion_1): Use OVL_FIRST.
1206         (print_error_for_call_failure): Use OVL_NAME.
1207         (build_op_call_1): Use ovl_iterator.
1208         (add_candidates): Use OVL_FIRST & lkp_iterator.
1209         (build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
1210         lkp_iterator.
1211         * class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
1212         (type_has_user_nondefault_constructor,
1213         in_class_defaulted_default_constructor,
1214         type_has_user_provided_constructor,
1215         type_has_user_provided_or_explicit_constructor,
1216         type_has_non_user_provided_default_constructor,
1217         vbase_has_user_provided_move_assign,
1218         type_has_move_constructor, type_has_move_assign,
1219         type_has_user_declared_move_constructor,
1220         type_has_user_declared_move_assign,
1221         type_build_ctor_call, type_build_dtor_call,
1222         type_requires_array_cookie, explain_non_literal_class): Likewise.
1223         (finish_struct): Use lkp_iterator.
1224         (resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
1225         (note_name_declared_in_class): Use OVL_NAME.
1226         * cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
1227         (pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
1228         cxx_pretty_printer::expression): Likewise.
1229         * decl2.c (check_classfn): Use ovl_iterator.
1230         * pt.c (retrieve_specialization): Use ovl_iterator.
1231         * tree.c (cp_tree_equal): Use lkp_iterator.
1232         (type_has_nontrivial_copy_init): Use ovl_iterator.
1234         * typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
1235         check is_overloaded_fn.
1237 2017-05-16  Martin Liska  <mliska@suse.cz>
1239         * parser.c (cp_lexer_print_token): Add default value for flags
1240         argument of print_gimple_stmt, print_gimple_expr,
1241         print_generic_stmt and print_generic_expr.
1243 2017-05-16  Nathan Sidwell  <nathan@acm.org>
1245         * cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
1246         iterators.
1247         (MAYBE_BASELINK_FUNCTIONS): New.
1248         * constraint.cc (resolve_constraint_check): Use lkp_iterator.
1249         * decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
1250         * lambda.c (maybe_generic_this_capture): Use lkp_iterator.
1251         * method.c (inherited_ctor_binfo): Use ovl_iterator.
1252         (binfo_inherited_from): Likewise.
1253         * parser.c (lookup_literal_operator): Use lkp_iterator.
1254         * pt.c (iterative_hash_template_arg): Use lkp_iterator.
1255         (print_candidates_1): Likewise.
1256         (determine_specialization): Likewise.
1257         (resolve_overloaded_unification): Likewise.
1258         (resolve_nondeduced_context): Likewise.
1259         (type_dependent_expression_p): Likewise.
1260         (dependent_template_p): Likewise.
1261         * ptree.c (cxx_print_xnode): Likewise.
1262         * semantics.c (omp_reduction_lookup): Use lkp_iterator.
1263         (classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
1264         * typeck.c (check_template_keyword): Use lkp_iterator.
1266         * cp-tree.h (OVL_FIRST, OVL_NAME): New.
1267         (ovl_first): New.
1268         * constexpr.c (function_concept_check): Use OVL_FIRST.
1269         * cvt.c (build_expr_type_conversion): Likewise.
1270         * decl.c (poplevel, grokdeclarator): Use OVL_NAME.
1271         * decl2.c (mark_used): Use OVL_FIRST.
1272         * error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
1273         (dump_expr, location_of): Use OVL_FIRST.
1274         * friend.c (do_friend): Use OVL_NAME.
1275         * init.c (build_offset_ref): Use OVL_FIRST.
1276         * mangle.c (write_member_name): Likewise.
1277         (write_expression): Use OVL_NAME.
1278         * method.c (strip_inheriting_ctors): Use OVL_FIRST.
1279         * name-lookup.c (pushdecl_class_level): Use OVL_NAME.
1280         * pt.c (check_explicit_specialization): Use OVL_FIRST.
1281         (check_template_shadow): Likewise.
1282         (tsubst_template_args): Use OVL_NAME.
1283         (tsubst_baselink): Use OVL_FIRST.
1284         * semantics.c (perform_koenig_lookup): Use OVL_NAME.
1285         * tree.c (get_first_fn): Use OVL_FIRST.
1286         * typeck.c (finish_class_member_access_expr): Use OVL_NAME.
1287         (cp_build_addr_expr_1): Use OVL_FIRST.
1289         * pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
1290         peeking.
1291         * semantics.c (finish_id_expression): Directly init local var.
1292         (finish_omp_reduction_clause): Use really_overloaded_fn.
1293         * tree.c (get_fns): Document.  Assert we got an overload.
1294         (get_first_fn) Document.
1295         * typeck.c (cp_build_addr_expr_1): Pass arg directly to
1296         really_overloaded_fn.
1297         * typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
1299         * cp-tree.h (SCOPE_DEPTH): New.
1300         * name-lookup.h (is_nested_namespace): Declare.
1301         * name-lookup.c (is_nested_namespace): New.
1302         (is_ancestor): Use it.
1303         (set_decl_namespace): Likewise.
1304         (push_namespace): Set SCOPE_DEPTH.
1305         * pt.c (check_specialization_namespace): Use is_nested_namespace.
1306         (check_unqualigied_spec_or_inst): Likewise.
1308 2017-05-15  Nathan Sidwell  <nathan@acm.org>
1310         PR c++/79369
1311         * cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
1312         * name-lookup.h (push_namespace): Return int, add make_inline arg.
1313         * name-lookup.c (push_namespace): Deal with inline directly.
1314         Return pushed count.
1315         * parser.c (cp_parser_namespace_definition): Adjust for
1316         push_namespace change.
1318 2017-05-11  Nathan Sidwell  <nathan@acm.org>
1320         * cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
1321         LANG_HOOKS_PUSHDECL): Move to ...
1322         * cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
1323         LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
1324         * cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
1326         * name-lookup.h (pushdecl): Add default friend parm.
1327         (pushdecl_maybe_friend): Delete.
1328         (pushdecl_top_level): Add default friend parm.
1329         (pushdecl_top_level_maybe_friend): Delete.
1330         * name-lookup.c (pushdecl_maybe_friend): Delete.
1331         (pushdecl): Add is_friend parm.
1332         (pushdecl_top_level): Add is friend_parm.
1333         (pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
1334         (pushdecl_top_level_and_finish): Do pushing and finishing directly.
1335         * friend.c (do_friend): Adjust.
1336         * pt.c (tsubst_friend_class): Adjust.
1338         Revert pushdecl_top_level_and_finish name change.
1339         * name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
1340         * name-lookup.c (pushdecl_top_level_and_finish): Likewise.
1341         * decl.c (cp_make_fname_decl): Adjust.
1342         * decl2.c (get_guard, handle_tls_init):  Adjust.
1343         * rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
1345         * name-lookup.c (pushdecl_outermost_localscope): Always
1346         conditionally stop timer.
1348         * decl.c (xref_tag_1): Don't frob ts_lambda scope here.
1349         * name-lookup.c (pushtag_1): Deal with ts_lambda scope.
1351         * cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
1352         pushtag_top_level_maybe_friend,
1353         pushdecl_top_level_and_finish): Move declarations to ...
1354         * name-lookup.h: ... here.  Group pushdecl variants.
1355         (pushdecl_top_level_and_finish): Rename to ...
1356         (pushdecl_top_level_with_init): ... here.
1357         * decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
1358         * decl2.c (get_guard, handle_tls_init): Likewise.
1359         * rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
1360         * lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
1361         * method.c (implicitly_declare_fn): Likewise.
1362         * searchc (node_debug_info_needed): Likewise.
1363         * name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
1364         (pushdecl_top_level_with_init): ... here.
1365         (pop_everything): Use namespace_bindings_p.
1367         * name-lookup.h (pop_binding): Rename to pop_local_binding.
1368         (getdecls): Rename to get_local_decls.
1369         * name-lookup.c (pop_binding): Rename to ...
1370         (pop_local_binding): ... here.
1371         (pop_bindings_and_leave_scope): Adjust.
1372         (getdecls): Rename to ...
1373         (get_local_decls): ... here.  Assert local scope.
1374         * decl.c (poplevel): Assert not namespace.  Adjust and simplify
1375         logic.
1376         (store_parm_decls): Adjust get_local_decls call.
1377         (parser.c (synthesize_implicit_template_parm): Likewise.
1379 2017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
1381         PR c++/80682
1382         * method.c (is_trivially_xible): Reject void types.
1384 2017-05-10  Nathan Sidwell  <nathan@acm.org>
1386         * class.c (handle_using_decl): Always use OVL_CURRENT.
1387         (resolve_address_of_overloaded_function): Move iterator decl into
1388         for scope.  Don't strip anticipated decls here.
1390         * pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
1391         printing.
1392         (print_candidates): Adjust.
1394         * cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
1395         line breaking.
1396         * call.c (build_new_function_call): Lose koenig_p arg.  Remove
1397         koenig_p handling here.
1398         * pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
1399         (tsubst_omp_clauses): Likewise.
1400         (do_class_deduction): Adjust buld_new_function_call calls.
1401         * semantics.c (finish_call_expr): Likewise.
1403 2017-05-10  Jason Merrill  <jason@redhat.com>
1405         * pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
1406         (unify_type_mismatch, unify_parameter_pack_mismatch)
1407         (unify_ptrmem_cst_mismatch, unify_expression_unequal)
1408         (unify_parameter_pack_inconsistent, unify_inconsistency)
1409         (unify_vla_arg, unify_method_type_error, unify_arity)
1410         (unify_arg_conversion, unify_no_common_base)
1411         (unify_inconsistent_template_template_parameters)
1412         (unify_template_deduction_failure)
1413         (unify_template_argument_mismatch)
1414         (unify_overload_resolution_failure): Call unify_invalid.
1416         CWG 1847 - Clarifying compatibility during partial ordering
1417         * pt.c (more_specialized_fn): No order between two non-deducible
1418         parameters.
1420         * pt.c (dependent_type_p): Make sure we aren't called with
1421         global_type_node.
1423         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
1424         * pt.c (convert_template_argument): Just return an argument pack.
1425         (coerce_template_parameter_pack, template_parm_to_arg)
1426         (extract_fnparm_pack, make_argument_pack, tsubst_template_args)
1427         (tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
1428         Don't set the type of a NONTYPE_ARGUMENT_PACK.
1429         * parser.c (make_char_string_pack, make_string_pack): Likewise.
1431 2017-05-10  Nathan Sidwell  <nathan@acm.org>
1433         * cp-tree.h (add_method, clone_function_decl): Change last arg to
1434         bool.
1435         * class.c (add_method): Change third arg to bool.  Adjust.
1436         (one_inheriting_sig, one_inherited_ctor): Adjust.
1437         (clone_function_decl): Change 2nd arg to bool.  Adjust.
1438         (clone_constructors_and_destructors): Adjust.
1439         * lambda.c (maybe_add_lambda_conv_op): Adjust.
1440         * method.c (lazily_declare_fn): Adjust.
1441         * pt.c (tsubst_decl, instantiate_template_1): Adjust.
1442         * semantics.c (finish_member_declaration): Adjust.
1444 2017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
1446         PR c++/80145
1447         * decl.c (finish_function): To improve error recovery, change the
1448         logic for calling apply_deduced_return_type.
1450 2017-05-09  Jason Merrill  <jason@redhat.com>
1452         PR c++/80605 - __is_standard_layout and empty base
1453         * class.c (check_bases): Ignore empty bases.
1455         PR c++/70979 - literal class and closure types
1456         * class.c (finalize_literal_type_property): Handle closures
1457         specifically.
1458         (explain_non_literal_class): Likewise.
1460         PR c++/66297, DR 1684 - literal class and constexpr member fns
1461         * constexpr.c (is_valid_constexpr_fn): Only complain about
1462         non-literal enclosing class in C++11.
1463         * class.c (finalize_literal_type_property): Likewise.
1465 2017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
1467         PR c++/80186
1468         * pt.c (tsubst_decl): Early return error_mark_node if
1469         grok_ctor_properties returns false.
1471 2017-05-09  Jason Merrill  <jason@redhat.com>
1473         PR c++/70167 - array prvalue treated as lvalue
1474         * cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
1475         (enum fcl_t): New.
1476         * semantics.c (finish_compound_literal): Add fcl_context parameter.
1477         Only make a static variable for C99 syntax.
1478         * parser.c (cp_parser_postfix_expression): Pass it.
1479         * pt.c (tsubst_copy_and_build): Likewise.
1480         * call.c (extend_ref_init_temps): Set
1481         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1483 2017-05-09  Nathan Sidwell  <nathan@acm.org>
1485         * cp-lang.c (get_global_decls, cxx_pushdecl): New.
1486         (LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
1487         * name-lookup.h (pushdecl_top_level): Declare.
1489 2017-05-08  Jason Merrill  <jason@redhat.com>
1491         PR c++/80178 - parameter passing for uncopyable classes
1492         * tree.c (type_has_nontrivial_copy_init): True for classes with only
1493         deleted copy/move ctors.
1494         (remember_deleted_copy, maybe_warn_parm_abi): New.
1495         * decl.c (require_complete_types_for_parms, check_function_type):
1496         Call maybe_warn_parm_abi.
1497         * call.c (convert_for_arg_passing, build_cxx_call): Likewise.
1499 2017-05-08  Nathan Sidwell  <nathan@acm.org>
1501         * decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
1502         (start_preparsed_function): Do decl pushing before setting
1503         current_funciton_decl and announcing it.
1505         * name-lookup.h (pushdecl_with_scope): Replace with ...
1506         (pushdecl_outermost_localscope): ... this.
1507         * name-lookup.c (pushdecl_with_scope): Replace with ...
1508         (pushdecl_outermost_localscope): ... this.
1509         (pushdecl_namespace_level): Adjust.
1510         * decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
1511         * lambda.c (insert_capture_proxy): Likewise.
1513         * class.c (build_vtbl_initializer): Don't shadow outer variable
1514         with static var.
1516         Revert _binding -> _value change.
1517         * name-lookup.h (get_namespace_value, set_global_value): Rename to ...
1518         (get_namespace_binding, set_global_binding): ... these.
1519         * name-lookup.c (get_namespace_value, set_global_value): Rename to ...
1520         (get_namespace_binding, set_global_binding): ... these.
1521         (arg_assoc_namespace, pushdecl_maybe_friend_1,
1522         check_for_out_of_scope_variable, push_overloaded_decl_1,
1523         lookup_name_innermost_nonclass_level, push_namespace): Adjust.
1524         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
1525         SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
1526         * decl.c (poplevel): Adjust.
1527         * pt.c (make_constrained_auto): Likewise.
1529 2017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
1531         PR translation/80280
1532         * call.c (print_z_candidate): Fix quoting.
1534 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
1536         * error.c (pedwarn_cxx98): Replace report_diagnostic
1537         with diagnostic_report_diagnostic.
1539 2017-05-05  Nathan Sidwell  <nathan@acm.org>
1541         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
1542         (SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
1543         (IDENTIFIER_NAMESPACE_VALUE): Delete.
1544         * name-lookup.h (namespace_binding, set_namespace_binding): Replace
1545         with ...
1546         (get_namespace_value, set_global_value): ... these.
1547         (get_global_value_if_present, is_typename_at_global_scope): Delete.
1548         * decl.c (poplevel): Use get_namespace_value.
1549         (grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
1550         * class.c (build_vtbl_initializer): Stash library decl in
1551         static var. Use IDENTIFIER_GLOBAL_VALUE.
1552         * except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
1553         do_allocate_exception, do_free_exception, build_throw): Likewise.
1554         * init.c (throw_bad_array_new_length): Likewise.
1555         * rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
1556         * name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
1557         check_for_our_of_scope_variable, push_overloaded_decl_1): Use
1558         get_namespace_value.
1559         (set_namespace_binding_1): Rename to
1560         (set_namespace_binding): ... here.
1561         (set_global_value): New.
1562         (lookup_name_innermost_nonclass_level_1, push_namespace): Use
1563         get_namespace_value.
1564         * pt.c (listify): Use get_namespace_value.
1566         * call.c (make_temporary_var_for_ref_to_temp): Push decl into
1567         current scope.
1568         * lex.c (unqualified_name_lookup_error): Likewise.
1570         * class.c (alter_class): Use retrofit_lang_decl directly.
1571         * decl.c (push_local_name, dupliate_decls): Likewise.
1572         * semantics.c (omp_privatize_field): Likewise.
1574         Kill walk_namespaces.
1575         * cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
1576         * decl.c (walk_namespaces_r, walk_namespaces): Delete.
1578         Kill per-namespace static_decls.
1579         * cp-tree.h (static_decls): Declare.
1580         (wrapup_globals_for_namespace,
1581         diagnose_inline_vars_for_namespace): Replace with ...
1582         (wrapup_namespace_globals): ... this.
1583         * decl.c (static_decls): Define.
1584         (wrapup_globals_for_namespace,
1585         diagnose_inline_vars_for_namespace): Replace with ...
1586         (wrapup_namespace_globals): ... this.
1587         (cxx_init_decl_processing): Initialize static_decls.
1588         * decl2.c (c_parse_final_cleanups): Adjust.
1589         * name-lookup.h (cp_binding_level): Remove static_decls member.
1590         * name-lookup.c (add_decl_to_level): Adjust.
1591         (begin_scope): Adjust.
1593 2017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
1595         PR c++/71577
1596         * decl.c (reshape_init): Unconditionally return error_mark_node
1597         upon error about too many initializers.
1599 2017-05-04  Nathan Sidwell  <nathan@acm.org>
1601         * constraint.cc (diagnose_check_constraint): Fix %E thinko.
1603 2017-05-04  Martin Sebor  <msebor@redhat.com>
1605         PR translation/80280
1606         * call.c (print_z_candidate): Add missing quoting to %D and other
1607         like directives.
1608         (build_op_call_1): Same.
1609         * constraint.cc (diagnose_check_constraint): Same.
1610         * mangle.c (mangle_decl): Same.
1611         * name-lookup.c (cp_binding_level_debug): Same.
1612         (set_decl_namespace): Same.
1613         * parser.c (cp_parser_tx_qualifier_opt): Same.
1614         * pt.c (print_candidates_1): Same.
1615         (check_template_variable): Same.
1616         (tsubst_default_argument): Same.
1617         (most_specialized_partial_spec): Same.
1618         * semantics.c (omp_reduction_lookup): Same.
1619         * tree.c (check_abi_tag_redeclaration): Same.
1620         * typeck.c (comptypes): Same.
1621         * typeck2.c (abstract_virtuals_error_sfinae): Same.
1623 2017-05-04  Nathan Sidwell  <nathan@acm.org>
1625         More global trees.
1626         * cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
1627         CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
1628         CPTI_INIT_LIST_IDENTIFIER.
1629         (global_namespace, global_type_node, global_identifier,
1630         anon_identifier, init_list_identifier): New.
1631         * decl.c (global_type_node, global_scope_name): Delete.
1632         (initialize_predefined_identifiers): Add new identifiers.
1633         (cxx_init_decl_processing): Adjust.
1634         * name-lookup.h (global_namespace, global_type_node): Delete.
1635         * name-lookup.c (global_namespace, anonymous_namespace_name,
1636         get_anonymous_namespace_name): Delete.
1637         (namespace_scope_ht_size, begin_scope, pushtag_1,
1638         push_namespace): Adjust,
1639         * call.c (type_has_extended_temps): Use init_list_identifier.
1640         * pt.c (listify): Likewise.
1642         * name-lookup.c: Reorder functions to make merging from modules
1643         branch simpler.
1645 2017-05-03  Jason Merrill  <jason@redhat.com>
1647         * constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
1649 2017-05-03  Nathan Sidwell  <nathan@acm.org>
1651         * cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
1652         along with #defines, to before name-lookup include.
1654 2017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
1656         * pt.c (is_auto_or_concept): Remove.
1657         (type_uses_auto_or_concept): Remove, unused.
1658         (find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
1659         * parser.c (tree_type_is_auto_or_concept): Remove, unused.
1660         * cp-tree.h (is_auto_or_concept): Remove.
1662 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1664         PR c++/80038
1665         * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
1666         add pedigree operation and detach call here.
1667         * cp-gimplify.c (cp_gimplify_expr): Remove the calls to
1668         cilk_cp_gimplify_call_params_in_spawned_fn.
1669         (cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
1670         * semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
1672 2017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
1674         * parser.c (cp_parser_member_declaration): Add fix-it hints for
1675         stray comma and missing semicolon at end of member declaration.
1677 2017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
1679         * parser.c (cp_parser_cast_expression): Add target type of cast to
1680         diagnostic.
1681         * error.c (type_to_string): Add '{enum}' suffix to enumeration types.
1683 2017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
1685         * decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
1686         return type to bool.
1687         * cp-tree.h (grok_ctor_properties): Update.
1689 2017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
1691         * parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
1692         information to diagnostic of invalid colon in nested-name-specifier.
1694 2017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
1696         * parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
1697         diagnostic of invalid class/struct keyword after enum.
1699 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1701         * parser.c (cp_parser_member_declaration): Add fix-it hint
1702         for removing stray semicolons.
1704 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1706         * name-lookup.c (get_std_name_hint): New function.
1707         (maybe_suggest_missing_header): New function.
1708         (suggest_alternative_in_explicit_scope): Call
1709         maybe_suggest_missing_header.
1711 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1713         PR c++/80177
1714         * name-lookup.c (suggest_alternative_in_explicit_scope): Convert
1715         candidate type of bm from tree to const char *.
1716         (consider_binding_level): Likewise.
1717         (lookup_name_fuzzy): Likewise, using this to merge the best
1718         result from the preprocessor into bm, rather than immediately
1719         returning, so that better matches from reserved words can "win".
1720         Guard the rejection of keywords that don't start decl-specifiers
1721         so it only happens for FUZZY_LOOKUP_TYPENAME.
1723 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1725         * decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
1726         (start_enum): Likewise.
1727         (build_enumerator): Likewise. Use %qE instead of plain %E.
1728         * parser.c (cp_parser_mem_initializer_list): Use %qD instead of
1729         %<%D%> in diagnostics.
1730         (cp_parser_elaborated_type_specifier): Likewise.
1731         * pt.c (make_pack_expansion): Use %qT and %qE instead of
1732         %<%T%> and %<%E%> in diagnostics.
1733         (tsubst_pack_expansion): Likewise.
1735 2017-04-24  David Malcolm  <dmalcolm@redhat.com>
1737         PR c++/80016
1738         * parser.c (cp_parser_unary_expression):  Generate a location
1739         range for alignof and sizeof expressions.
1741 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1743         * parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
1744         error message.
1745         (cp_parser_virt_specifier_seq_opt): Likewise.
1746         (set_and_check_decl_spec_loc): Likewise twice.
1748 2017-04-21  Jason Merrill  <jason@redhat.com>
1750         PR c++/80179 - ICE with initialized flexible array member.
1751         * constexpr.c (verify_ctor_sanity): Handle flexible array members.
1753 2017-04-21  Richard Biener  <rguenther@suse.de>
1755         * cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
1756         (copy_type): Likewise.
1757         * lex.c (copy_decl): Pass down mem-stat info.
1758         (copy_type): Likewise.
1760 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
1762         PR c++/80473
1763         * init.c (build_new_1): Suppress notes about over-aligned new when
1764         the warning is suppressed.
1766 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
1768         * parser.c (cp_parser_member_declaration): Add warning with fixit
1769         information for extra semicolon after in-class function definition.
1771 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1773         PR middle-end/80423
1774         * tree.c (build_cplus_array_type): Call build_array_type
1775         with the intended TYPE_TYPELESS_STORAGE flag value, instead
1776         of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
1777         on the shared type.
1779 2017-04-18  Marek Polacek  <polacek@redhat.com>
1781         PR c++/80244 - ICE with attribute in template alias.
1782         * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
1784         PR c++/80241 - ICE with alignas pack expansion.
1785         * error.c (dump_expr): Handle TREE_LIST.
1786         * parser.c (cp_parser_std_attribute_list): Return error_mark if
1787         make_pack_expansion returns an error.
1789 2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1791         PR c++/80287
1792         * class.c (fixup_may_alias): Fix all type variants.
1794 2017-04-17  Jason Merrill  <jason@redhat.com>
1796         PR c++/80415 - wrong error with default arg and array reference.
1797         * tree.c (lvalue_kind): Return clk_class for an array prvalue.
1799         * pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
1801 2017-04-15  Alexandre Oliva <aoliva@redhat.com>
1803         * decl.c (name_unnamed_type): Split out of...
1804         (grokdeclarator): ... this.
1805         * decl.h (name_unnamed_type): Declare.
1807 2017-04-12  Richard Biener  <rguenther@suse.de>
1808         Bernd Edlinger  <bernd.edlinger@hotmail.de>
1810         PR middle-end/79671
1811         * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
1812         for arrays of character or std::byte type.
1814 2017-04-11  Jason Merrill  <jason@redhat.com>
1816         PR c++/80294 - ICE with constexpr and inheritance.
1817         * constexpr.c (reduced_constant_expression_p):
1818         A null constructor element is non-constant.
1819         (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
1820         returning an empty base.
1822 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1824         PR c++/80370
1825         * decl.c (cp_finish_decomp): If processing_template_decl on
1826         non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
1827         change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
1828         sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
1829         processing.
1830         * pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
1831         with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
1832         dependent.
1834 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1836         PR c++/80363
1837         * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
1839 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1841         PR c++/80176
1842         * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
1843         operand, if it is a static member function, recurse on the
1844         BASELINK.
1846 2017-04-10  Marek Polacek  <polacek@redhat.com>
1848         PR sanitizer/80348
1849         * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
1850         ORIG_TYPE earlier and not only when shortening.
1852 2017-04-07  Jason Merrill  <jason@redhat.com>
1854         PR c++/80356 - ICE with reference to function template argument.
1855         PR c++/79294
1856         * pt.c (convert_nontype_argument_function): Adjust type even with a
1857         value-dependent argument.
1859         PR c++/80267 - ICE with nested capture of reference
1860         PR c++/60992
1861         * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
1863 2017-04-07  Marek Polacek  <polacek@redhat.com>
1865         PR sanitizer/80348
1866         * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
1868         PR c++/80095
1869         * call.c (build_over_call): Don't check cxx_dialect.
1870         * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
1871         whether SUB is a CONSTRUCTOR.
1872         * init.c (build_new_1): Don't check cxx_dialect.
1873         * tree.c (replace_placeholders): Add a function comment.  Return if
1874         not in C++14, or if the object isn't a (member of a) class.
1875         * typeck2.c (store_init_value): Don't check cxx_dialect nor whether
1876         TYPE is CLASS_TYPE_P.
1878 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1880         PR c++/80309
1881         * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
1882         of a loop doing vec_safe_push of NULL.  Formatting fixes.
1883         (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
1884         to newidx before calling canonical_type_parameter on newtype.
1886 2017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
1888         PR c++/80296
1889         * cxx-pretty-print.c (cxx_pretty_printer::expression): Add
1890         UNARY_PLUS_EXPR case.
1892 2017-04-03  Jason Merrill  <jason@redhat.com>
1894         * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
1896 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1898         * class.c (update_vtable_entry_for_fn): Fix typo in comment.
1899         * decl2.c (one_static_initialization_or_destruction): Likewise.
1900         * name-lookup.c (store_bindings): Likewise.
1901         * parser.c (make_call_declarator): Likewise.
1902         * pt.c (check_explicit_specialization): Likewise.
1904 2017-04-03  Jason Merrill  <jason@redhat.com>
1906         PR sanitizer/79993 - ICE with VLA initialization from string
1907         PR c++/69487 - wrong VLA initialization from string
1908         * init.c (finish_length_check): Split out from build_vec_init.
1909         (build_vec_init): Handle STRING_CST.
1910         * typeck2.c (split_nonconstant_init): Handle STRING_CST.
1911         (digest_init_r): Don't give a STRING_CST VLA type.
1913 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
1915         PR c++/79572
1916         * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
1917         REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
1918         for NOP_EXPR to REFERENCE_TYPE.
1920         PR libstdc++/80251
1921         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
1922         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1923         CPTK_IS_AGGREGATE.
1924         * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
1925         Remove extraneous parens.
1926         (finish_trait_expr): Handle CPTK_IS_AGGREGATE.
1927         * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
1928         (cp_parser_trait_expr): Likewise.
1930 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
1932         PR middle-end/80162
1933         * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
1934         * typeck.c (cxx_mark_addressable): Likewise.  Look through
1935         VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
1936         to ARRAY_TYPE.
1937         (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
1939 2017-03-24  Jason Merrill  <jason@redhat.com>
1941         PR c++/77339 - ICE with invalid use of alias template.
1942         * pt.c (lookup_template_class_1): Don't try to enter the scope of an
1943         alias template.
1945 2017-03-24  Marek Polacek  <polacek@redhat.com>
1947         PR c++/80119
1948         * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
1949         doesn't have side effects.
1951 2017-03-23  Jason Merrill  <jason@redhat.com>
1953         PR c++/80150 - ICE with overloaded variadic deduction.
1954         * pt.c (try_one_overload): Remove asserts.
1956         PR c++/77563 - missing ambiguous conversion error.
1957         * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
1959 2017-03-23  Marek Polacek  <polacek@redhat.com>
1961         * cp-tree.h: Remove a C_RID_YYCODE reference.
1963 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
1965         PR c++/80141
1966         * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
1967         case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
1968         processing_template_decl.
1970 2017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1972         PR c++/77752
1973         * name-lookup.c (pushtag_1): Add check for bogus, non template,
1974         std::initializer_list.
1976 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
1978         PR c++/35878
1979         * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
1981 2017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1983         PR c++/35878
1984         * init.c (std_placement_new_fn_p): New.
1985         (build_new_1): Call it.
1987 2017-03-20  Jason Merrill  <jason@redhat.com>
1989         PR c++/80096 - ICE with C++17 non-type auto.
1990         * pt.c (tsubst): Delay tsubst of type of template non-type
1991         parameter.
1993         PR c++/79519 - ICE with deleted template friend.
1994         * decl.c (grokdeclarator): Complain about misplaced function
1995         definition using =, as well.
1997         PR c++/79640 - infinite recursion with generic lambda.
1998         * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
1999         before substituting its initializer.
2001 2017-03-20  Marek Polacek  <polacek@redhat.com>
2002             Paolo Carlini  <paolo.carlini@oracle.com>
2004         PR c++/80059 - ICE with noexcept and __transaction_atomic
2005         * except.c (build_must_not_throw_expr): Call
2006         instantiate_non_dependent_expr.
2008 2017-03-19  Jason Merrill  <jason@redhat.com>
2010         PR c++/80084 - wrong C++17 decomposition by reference of parameter.
2011         * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
2012         reference decomposition.
2014         PR c++/80077 - error with constexpr and -fno-elide-constructors.
2015         * constexpr.c (cxx_eval_call_expression): Set ctx->call while
2016         expanding trivial constructor.
2018 2017-03-17  Jason Merrill  <jason@redhat.com>
2020         PR c++/78345 - ICE initializing array from lambda.
2021         * init.c (build_aggr_init): Check array initializer.
2022         (build_vec_init): Check the type of a CONSTRUCTOR.
2024         PR c++/80073 - C++17 ICE with virtual base.
2025         * decl.c (xref_basetypes): Also check for indirect vbases.
2027 2017-03-16  Jason Merrill  <jason@redhat.com>
2029         * decl.c (start_enum): std::byte aliases anything.
2031         PR c++/79797
2032         * constexpr.c (lookup_placeholder): Tweak.
2034 2017-03-15  Jason Merrill  <jason@redhat.com>
2036         PR c++/80043 - ICE with -fpermissive
2037         * typeck.c (convert_for_assignment): Handle instantiate_type
2038         not giving an error.
2040 2017-03-14  Nathan Sidwell  <nathan@acm.org>
2042         PR c++/79393 DR 1658 workaround
2043         * method.c (synthesized_method_base_walk): Inihibit abstract class
2044         virtual base access check here.
2045         (synthesized_method_walk): Not here.
2047 2017-03-13  Nathan Sidwell  <nathan@acm.org>
2049         PR c++/79393 DR 1658 workaround
2050         * method.c (synthesized_method_walk): Check vbases of abstract
2051         classes for dtor walk.
2053 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
2055         PR translation/79848
2056         * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
2058 2017-03-10  Jason Merrill  <jason@redhat.com>
2060         PR c++/79960 - alias templates and partial ordering
2061         * pt.c (comp_template_args): Add partial_order parm.
2062         (template_args_equal): Likewise.
2063         (comp_template_args_porder): New.
2064         (get_partial_spec_bindings): Use it.
2066 2017-03-10  Marek Polacek  <polacek@redhat.com>
2068         PR c++/79967
2069         * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
2071 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
2073         PR c++/79899
2074         * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
2075         Use XALLOCAVEC macro.
2077         PR c++/79896
2078         * decl.c (finish_enum_value_list): If value is error_mark_node,
2079         don't copy it and change its type.
2080         * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
2081         of CONST_DECL is error_mark_node.
2083 2017-03-09  Marek Polacek  <polacek@redhat.com>
2085         PR c++/79900 - ICE in strip_typedefs
2086         * tree.c (strip_typedefs): Skip the attribute handling if T is
2087         a variant type which hasn't been updated yet.
2089         PR c++/79687 - wrong code with pointer-to-member
2090         * init.c (constant_value_1): Break if the variable has a dynamic
2091         initializer.
2093 2017-03-08  Jason Merrill  <jason@redhat.com>
2095         PR c++/79797 - ICE with self-reference in array DMI.
2096         * constexpr.c (lookup_placeholder): Split out...
2097         (cxx_eval_constant_expression): ...from here.
2099 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
2101         PR c/79834
2102         * parser.c (cp_parser_omp_cancellation_point,
2103         cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
2104         cp_parser_omp_target_update): Change "may only be used in compound
2105         statements" diagnostics, such that the same translatable string is
2106         used for all pragmas.
2107         (cp_parser_pragma): Likewise.  Use error_at instead of
2108         cp_parser_error for that diagnostics.
2110 2017-03-06  Marek Polacek  <polacek@redhat.com>
2112         PR c++/79796 - ICE with NSDMI and this pointer
2113         * call.c (build_over_call): Handle NSDMI with a 'this' by calling
2114         replace_placeholders.
2116 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
2118         PR c++/79822
2119         * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
2120         ({ (void) 0; }).
2122 2017-03-06  Jason Merrill  <jason@redhat.com>
2124         Revert "Allow deduction guides to look into primary template."
2125         * cp-tree.h, parser.c, pt.c, search.c: Revert.
2127 2017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
2129         PR c++/70266
2130         * except.c (build_must_not_throw_expr): Perform the implicit
2131         conversions on the condition.
2133 2017-03-03  Jason Merrill  <jason@redhat.com>
2135         * mangle.c (mangle_decl): Check -Wnoexcept-type instead of
2136         -Wc++1z-compat.
2138         Core issues 2273 and 2277
2139         * call.c (joust): Adjust using-declaration tiebreaker to handle
2140         the intermediate base case.
2141         * method.c (strip_inheriting_ctors): Just return the argument if
2142         !flag_new_inheriting_ctors.
2144 2017-03-03  Richard Biener  <rguenther@suse.de>
2146         PR c++/79825
2147         * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
2149 2017-03-03  Marek Polacek  <polacek@redhat.com>
2151         PR c++/79791
2152         * typeck.c (string_conv_p): In C++11, always call pedwarn with
2153         OPT_Wwrite_strings.
2155 2017-03-02  Jason Merrill  <jason@redhat.com>
2157         Update overload resolution with deduction guides.
2158         * pt.c (do_class_deduction): Always build the copy guide.
2159         (copy_guide_p, template_guide_p): New.
2160         (build_deduction_guide): Remember the original constructor.
2161         * call.c (joust): Prefer the copy guide and non-template guides.
2163         Allow deduction guides to look into primary template.
2164         * cp-tree.h (struct saved_scope): Add deduction_guide_type.
2165         (struct cp_decl_specifier_seq): Add constructor_p.
2166         * parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
2167         (cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
2168         Clear deduction_guide_type.  Don't handle deduction guide names.
2169         (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
2170         (cp_parser_direct_declarator): Likewise.  Handle deduction guides.
2171         (cp_parser_member_declaration, cp_parser_cache_defarg)
2172         (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
2173         * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
2174         (build_deduction_guide): Set deduction_guide_type.
2175         (dependent_scope_p): Check deduction_guide_type.
2176         * search.c (lookup_member): Likewise.
2178 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
2180         PR c++/79782
2181         * init.c (mark_exp_read_r): New function.
2182         (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
2183         whole arguments instead of plain mark_exp_read on TREE_LIST values.
2185 2017-03-01  Jason Merrill  <jason@redhat.com>
2187         Class template argument deduction in new-expression
2188         * init.c (build_new): Handle deduction from no initializer.
2189         * parser.c (cp_parser_new_expression): Don't require a single
2190         expression for class template deduction.
2191         * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
2192         class template placeholder.
2193         * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
2194         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
2195         (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
2197 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
2199         PR c++/79746
2200         * init.c (emit_mem_initializers): When not constructing vbases of
2201         abstract classes, mark arguments as read for
2202         -Wunused-but-set-parameter.
2204 2017-02-28  Jason Merrill  <jason@redhat.com>
2206         Class template argument deduction refinements
2207         * call.c (joust): Move deduction guide tiebreaker down.
2208         * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
2209         deduction with no initializer.
2210         * pt.c (build_deduction_guide): Handle implicit default/copy ctor.
2211         (do_class_deduction): Use that rather than special case.
2212         (do_auto_deduction): Handle null initializer.
2214 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
2216         * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
2217         instead of just cond ? "..." : "...".
2218         (grokdeclarator): Likewise.
2219         (build_enumerator): Likewise.
2220         * init.c (build_new_1): Likewise.
2221         * call.c (build_new_method_call_1): Likewise.
2222         * parser.c: Include intl.h.
2223         (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
2224         "enter"/"exit" keyword.
2225         (cp_finalize_oacc_routine): Don't use %s to supply portions of the
2226         message.
2228 2017-02-27  Jason Merrill  <jason@redhat.com>
2230         PR c++/71568 - SFINAE forming pointer to member function
2231         * init.c (build_offset_ref): Check the return value of
2232         perform_or_defer_access_check.
2234 2017-02-27  Marek Polacek  <polacek@redhat.com>
2236         * decl.c (expand_static_init): Add missing } in a comment.
2238 2017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
2240         * init.c: Include intl.h.
2241         (build_new_1): Move message strings into pedwarn to make them
2242         -Wformat-security friendly. Mark string for translation.
2243         * pt.c (tsubst_copy_and_build): Mark string for translation.
2244         Make the pointer const.
2245         * semantics.c (finish_id_expression): Mark strings for translation.
2247 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
2249         * call.c (build_op_delete_call): Make msg1 and msg2 const.
2251 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
2253         PR c++/79588
2254         * call.c (build_over_call): Call check_function_arguments even for
2255         -Wrestrict, adjust check_function_arguments caller.
2256         * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
2257         here.
2258         * typeck.c (cp_build_function_call_vec): Adjust
2259         check_function_arguments caller.
2261 2017-02-24  Marek Polacek  <polacek@redhat.com>
2263         PR translation/79705
2264         * decl.c (check_redeclaration_exception_specification): Mark a string
2265         for translation.  Make the pointer const.
2267 2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
2269         PR c++/79361
2270         * pt.c (register_specialization): Check duplicate_decls return value
2271         for error_mark_node and pass it back.
2273 2017-02-22  Jason Merrill  <jason@redhat.com>
2275         PR c++/79679 - missing destructor for argument
2276         * call.c (build_over_call): Don't pass tf_no_cleanup to argument
2277         conversions.
2279         * pt.c (do_class_deduction): Handle 0 argument case.
2281 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
2283         PR c++/79664
2284         * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
2285         SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
2286         * constexpr.c (potential_constant_expression_1): Handle
2287         OMP_*, OACC_* and CILK_* trees.  Use error_at with
2288         EXPR_LOC_OR_LOC (t, input_location) computed early
2289         instead of error, or error_at with location_of (t).
2291 2017-02-22  Marek Polacek  <polacek@redhat.com>
2293         PR c++/79653
2294         * parser.c (cp_parser_std_attribute_spec): Don't build the attribute
2295         if the alignas expression is erroneous.
2296         * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
2297         error_mark_node.
2299         PR c++/79657
2300         * semantics.c (finish_underlying_type): Bail out for incomplete enums.
2302 2017-02-21  Jason Merrill  <jason@redhat.com>
2304         PR c++/50308 - wrong deprecated warning with ADL
2305         PR c++/17729 - duplicate deprecated warning
2306         * semantics.c (finish_id_expression): Only call mark_used on a
2307         function if we aren't building a call.
2309         PR c++/41727 - ICE with partial spec of partial instantiation
2310         * pt.c (process_partial_specialization): For now, don't check more
2311         specialized if there is more than one level of args.
2313 2017-02-21  Marek Polacek  <polacek@redhat.com>
2315         PR c++/79535
2316         * cp-tree.h (maybe_reject_flexarray_init): Declare.
2317         * init.c (maybe_reject_flexarray_init): No longer static.
2318         Add check for current_function_decl.
2319         * parser.c (cp_parser_late_parse_one_default_arg): Reject
2320         a default mem-initializer for a flexible array.
2322 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
2323             Paolo Carlini  <paolo.carlini@oracle.com>
2325         PR c++/79654
2326         * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
2327         on error.
2328         * pt.c (tsubst_decomp_names): Return error_mark_node if the first
2329         decl after the decomposition artificial decl has error_mark_node.
2330         * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
2331         instead of just == error_mark_node comparison.
2333 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
2335         PR sanitizer/79589
2336         * decl.c: Include gimplify.h.
2337         (cp_finish_decomp): Make sure there is no sharing of trees
2338         in between DECL_VALUE_EXPR of decomposition decls.
2340         PR c++/79655
2341         * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
2343         PR c++/79639
2344         * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
2345         call cplus_expand_constant on it first.
2347 2017-02-19  Jason Merrill  <jason@redhat.com>
2349         PR c++/78139 - destructor needed by new-expression
2350         * call.c (build_special_member_call): Use tf_no_cleanup.
2352         PR c++/78282 - auto template and pack expansion
2353         * pt.c (find_parameter_packs_r): Don't walk into the type of
2354         templates other than template template-parameters.
2356         PR c++/79606 - ICE with this->base_member in NSDMI
2357         * class.c (build_base_path): Check processing_template_decl.
2359         PR c++/79607 - ICE with T{} initializer
2360         * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
2362         PR c++/79566 - elaborated-type-specifier in range for
2363         * parser.c (cp_parser_simple_declaration): Fix check for type
2364         definition.
2366         PR c++/79400 - confusing suggestion of 'noexcept'
2367         * parser.c (cp_parser_exception_specification_opt): Remove
2368         suggestion for deprecated dynamic exception-specification.
2370         PR c++/79470 - partial ordering with reference parameters
2371         * pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
2373         PR c++/79500 - ICE with non-template deduction guide
2374         * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
2375         DECL_TEMPLATE_RESULT.
2377         PR c++/79580 - ICE with compound literal
2378         * parser.c (cp_parser_class_head): If we're in the middle of an
2379         expression, use ts_within_enclosing_non_class.
2381         PR c++/79503 - inherited ctor taking base class
2382         * call.c (add_function_candidate): Also check that
2383         DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
2385 2017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2387         PR c++/79380
2388         * typeck.c (cxx_alignas_expr): Reject a non-integral alignas
2389         argument.
2391 2017-02-19  Eric Fiselier  <eric@efcs.ca>
2392             Jonathan Wakely  <jwakely@redhat.com>
2394         PR c++/69523
2395         * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
2396         control warning about literal suffix identifiers without a leading
2397         underscore.
2399 2017-02-17  Jason Merrill  <jason@redhat.com>
2401         PR c++/79508 - lookup error with member template
2402         * parser.c (cp_parser_template_name): Clear
2403         parser->context->object_type if we aren't doing lookup.
2405         PR c++/78690 - ICE with using and global type with same name
2406         * pt.c (type_dependent_object_expression_p): True for
2407         IDENTIFIER_NODE.
2409         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
2410         * pt.c (convert_template_argument): Just return an auto arg pack.
2411         (tsubst_template_args): Don't tsubst an auto pack type.
2413         PR c++/79556 - C++17 ICE with non-type auto
2414         * pt.c (do_auto_deduction): Don't try to deduce from null type.
2416         PR c++/79533 - C++17 ICE with temporary cast to reference
2417         * call.c (build_over_call): Conversion to a reference prevents copy
2418         elision.
2420 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
2421             Jason Merrill  <jason@redhat.com>
2423         PR c++/79502 - lost nodiscard attribute
2424         * pt.c (apply_late_template_attributes): Do apply non-dependent
2425         attributes to types.
2427 2017-02-16  Jason Merrill  <jason@redhat.com>
2429         PR c++/78572 - ICE with self-modifying array initializer
2430         * constexpr.c (cxx_eval_store_expression): The object we're
2431         initializing is outside the constant-expression.
2432         (cxx_eval_call_expression): Set ctx->call.
2434         PR c++/79050 - ICE with undeduced auto and LTO
2435         * decl.c (poplevel): Remove undeduced auto decls.
2437 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
2439         PR c++/79512
2440         * parser.c (cp_parser_omp_target): For -fopenmp-simd
2441         ignore #pragma omp target even when not followed by identifier.
2443 2017-02-15  Jason Merrill  <jason@redhat.com>
2444             Jakub Jelinek  <jakub@redhat.com>
2446         PR c++/79464 - ICE in IPA with omitted constructor parms
2447         * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
2448         (adjust_clone_args): Adjust.
2449         (add_method): Remember omitted parms.
2450         * call.c (add_function_candidate): Likewise.
2451         * mangle.c (write_method_parms): Likewise.
2452         * method.c (ctor_omit_inherited_parms): Return false if there are no
2453         parms to omit.
2455 2017-02-15  Martin Sebor  <msebor@redhat.com>
2457         PR c++/79363
2458         * init.c (maybe_reject_flexarray_init): New function.
2459         (perform_member_init): Call it.
2461 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
2463         PR c++/79301
2464         * parser.c (cp_parser_std_attribute): Don't pedwarn about
2465         [[deprecated]] with -std=c++11 and [[fallthrough]] with
2466         -std=c++11 and -std=c++14.
2468         PR c++/79288
2469         * decl.c (grokdeclarator): For static data members, handle thread_p
2470         only after handling inline.
2472 2017-02-14  Marek Polacek  <polacek@redhat.com>
2474         PR c++/79420
2475         PR c++/79463
2476         * parser.c (cp_parser_postfix_dot_deref_expression): Avoid
2477         clobbering if the postfix expression isn't an EXPR_P.
2479 2017-02-13  Jason Merrill  <jason@redhat.com>
2481         PR c++/79461 - ICE with lambda in constexpr constructor
2482         * constexpr.c (build_data_member_initialization): Ignore
2483         initialization of a local variable.
2485 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2487         * init.c (warn_placement_new_too_small): Add missing space in
2488         diagnostics.
2489         * parser.c (cp_parser_oacc_declare): Likewise.
2490         * mangle.c (maybe_check_abi_tags): Likewise.
2492         PR c++/79232
2493         * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
2494         on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
2495         in the rightmost operand.
2497 2017-02-13  Nathan Sidwell  <nathan@acm.org>
2499         PR c++/79296 - ICE mangling localized template instantiation
2500         * decl2.c (determine_visibility): Use template fn context for
2501         local class instantiations.
2503 2017-02-11  Jason Merrill  <jason@redhat.com>
2505         PR c++/77659 - ICE with new and C++14 aggregate NSDMI
2506         * init.c (build_new): Make backups of any CONSTRUCTORs in init.
2507         (build_new_1): Use replace_placeholders.
2508         * tree.c (replace_placeholders_t): Also track whether we've seen a
2509         placeholder.
2510         (replace_placeholders, replace_placeholders_r): Adjust.
2511         * cp-tree.h: Adjust.
2513         PR c++/77790 - ICE with auto function in C++11 mode
2514         * decl.c (undeduced_auto_decl): Remove C++14 limitation.
2515         (require_deduced_type): Add complain parm, return bool.
2516         * cp-tree.h: Adjust.
2517         * decl2.c (mark_used): Use require_deduced_type.
2519 2017-02-10  Jason Merrill  <jason@redhat.com>
2521         PR c++/78908 - template ops and bitfields
2522         * tree.c (build_min_non_dep): Use unlowered_expr_type.
2524         PR c++/78897 - constexpr union
2525         * constexpr.c (cxx_eval_store_expression): A store to a union member
2526         erases a previous store to another member.
2528         PR c++/71285 - member of fold-expression
2529         * semantics.c (finish_unary_fold_expr)
2530         (finish_binary_fold_expr): Use null type for fold-expressions.
2532         PR c++/79401 - protected inherited constructor
2533         * call.c (enforce_access): For inheriting constructor, find a base
2534         binfo in the path we already have.
2536 2017-02-10  Marek Polacek  <polacek@redhat.com>
2538         PR c++/79435
2539         * pt.c (type_dependent_expression_p): Check if the expression type
2540         is null.
2542         PR c++/79184
2543         * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
2544         if warnings shouldn't be given.
2546 2017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
2548         PR c++/71737
2549         * pt.c (tsubst_decl): Don't try to preserve a typedef that names
2550         an error_mark_node as type.
2552 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2553             Jason Merrill  <jason@redhat.com>
2555         PR c++/79143
2556         * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
2557         from pattern to type.
2559 2017-02-09  Jason Merrill  <jason@redhat.com>
2561         PR c++/79316 - default argument in deduction guide
2562         PR c++/79350 - explicit deduction guide
2563         * parser.c (cp_parser_constructor_declarator_p)
2564         (cp_parser_direct_declarator): Parse deduction guides more like
2565         constructors.
2566         * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
2567         * tree.c (special_function_p): Return it.
2568         * decl.c (check_special_function_return_type): Handle it.
2569         (grokdeclarator, grokfndecl): Adjust.
2570         (cp_finish_decl): Pass flags to do_auto_deduction.
2571         * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
2572         * pt.c (dguide_name_p): Take a const_tree.
2573         (do_class_deduction): Handle explicit.
2574         (do_auto_deduction): Pass flags through.
2575         (build_deduction_guide): Copy explicit flag.
2577 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
2579         PR c++/79429
2580         * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
2581         non-pragma_compound context here.
2582         (cp_parser_omp_target): Likewise.
2583         (cp_parser_pragma): Don't call push_omp_privatization_clauses and
2584         parsing for ordered and target omp pragmas in non-pragma_stmt
2585         non-pragma_compound contexts.
2587         PR c/79431
2588         * parser.c (cp_parser_oacc_declare): Formatting fix.
2589         (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
2590         automatic variables.
2592 2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2593             Chung-Lin Tang  <cltang@codesourcery.com>
2595         * parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
2596         parsing.  Parse constant expression. Remove semantic checking.
2597         (cp_parser_omp_clause_collapse): Disallow tile.
2598         (cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
2599         error about missing for after already emitting one.  Use more
2600         conventional for idiom for unbounded loop.
2601         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
2602         * semantics.c (finish_omp_clauses): Correct TILE semantic check.
2603         (finish_omp_for): Deal with tile clause.
2605 2017-02-07  Nathan Sidwell  <nathan@acm.org>
2607         * method.c (synthesized_method_base_walk): New.  Broken out of ...
2608         (synthesized_method_walk): ... here.  Call it.  Cleanup
2609         initializations.
2611 2017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
2613         PR c++/79360
2614         * typeck2.c (process_init_constructor_union): Consider only
2615         FIELD_DECLs when looking for an NSDMI.
2617 2017-02-06  Jason Merrill  <jason@redhat.com>
2619         PR c++/71193 - incomplete types in templates
2620         * parser.c (cp_parser_postfix_dot_deref_expression): In a template
2621         handle incomplete type by pedwarning and then treating as dependent.
2623 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
2625         PR c++/79379
2626         * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
2627         (potential_constant_expression_1): Likewise.
2629         PR c++/79377
2630         * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
2631         allow one fewer than expected arguments if flag_permissive.
2633         PR c++/79372
2634         * decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
2635         * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
2636         with error_mark_node type.
2638 2017-02-03  Jason Merrill  <jason@redhat.com>
2640         PR c++/78689 - ICE on constructor with label
2641         * optimize.c (maybe_clone_body): Replace omitted parameters with
2642         null lvalues.
2643         * class.c (build_clone): Fix logic for omitting inherited parms.
2645         PR c++/12245 - excessive memory use
2646         * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
2647         back in.  Don't cache constants.
2648         (maybe_constant_init): Don't cache constants.
2650         PR c++/79294 - ICE with invalid template argument
2651         * pt.c (convert_nontype_argument_function): Check value-dependence.
2652         (convert_nontype_argument): Don't check it here for function ptrs.
2654 2017-02-02  Richard Biener  <rguenther@suse.de>
2656         PR cp/14179
2657         * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
2658         it lazily on the first changed element only and copy it
2659         fully upfront, only storing changed elements.
2661 2017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2663         PR c++/69637
2664         * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
2665         to the width.
2667 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
2669         PR c++/79304
2670         * error.c (dump_expr) <case COMPONENT_REF>: Don't print .
2671         after ARROW_EXPR.
2673 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
2675         PR c++/79298
2676         * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
2677         any namespace aliases.
2679 2017-01-31  Nathan Sidwell  <nathan@acm.org>
2681         PR c++/79290
2682         * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
2684         PR c++/67273
2685         PR c++/79253
2686         * pt.c: (instantiate_decl): Push to top level when current
2687         function scope doesn't match.  Only push lmabda scope stack when
2688         pushing to top.
2690         * cp-tree.h (instantiate_decl): Make defer_ok bool.
2691         * pt.c: Fix instantiate_decl calls to pass true/false not 0/1
2692         (instantiate_decl): Simplify and reorder state saving and restoration.
2694         PR c++/79264
2695         * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
2696         * semantics.c (finish_member_declaration): Assert class is being
2697         defined.
2699 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
2701         Introduce C++ support in libcc1.
2702         * cp-tree.h (struct lang_identifier): Add oracle_looked_up.
2703         (ansi_opname): Rename to...
2704         (cp_operator_id): ... this.  Adjust all callers.
2705         (ansi_assopname): Rename to...
2706         (cp_assignment_operator_id): ... this.  Adjust all callers.
2707         (cp_literal_operator_id): Declare.
2708         (set_global_friend): Declare.
2709         (is_global_friend): Declare.
2710         (enum cp_oracle_request): New type.
2711         (cp_binding_oracle_function): New type.
2712         (cp_binding_oracle): Declare.
2713         (cp_finish_injected_record_type): Declare.
2714         * friend.c (global_friend): New var.
2715         (set_global_friend): New fn.
2716         (is_global_friend): New fn.
2717         (is_friend): Call is_global_friend.
2718         * name-lookup.c (cp_binding_oracle): New var.
2719         (query_oracle): New fn.
2720         (qualified_lookup_using_namespace): Call query_oracle.
2721         (lookup_name_real_1): Likewise.
2722         * parser.c (cp_literal_operator_id): Drop static.
2723         * search.c (friend_accessible_p): Call is_global_friend.
2724         * semantics.c (is_this_parameter): Accept a variable if the
2725         binding oracle is enabled.
2727 2017-01-27  Jason Merrill  <jason@redhat.com>
2729         PR c++/78771 - ICE with inherited constructor.
2730         * call.c (build_over_call): Call deduce_inheriting_ctor here.
2731         * pt.c (tsubst_decl): Not here.
2732         * class.c (add_method): Or here.
2733         * method.c (deduce_inheriting_ctor): Handle clones.
2734         (implicitly_declare_fn): Don't deduce inheriting ctors yet.
2736 2017-01-27  Adam Butcher  <adam@jessamine.co.uk>
2738         PR c++/64382
2739         * cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
2740         New function.
2741         * cp/cp-tree.h: Declare it.
2742         * cp/semantics.c (finish_id_expression): Resolve names within a default
2743         capturing generic lambda defined within a template prior to
2744         instantiation to allow for captures to be added to the closure type.
2746 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2748         PR c++/68727
2749         * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
2750         * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
2751         * parser.c (cp_parser_builtin_offsetof): Pass result of
2752         build_static_cast of null_pointer_node to finish_offsetof.
2753         * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
2754         it for -Winvalid-offsetof pedwarn instead of trying to guess
2755         original offsetof type from EXPR.  Save OBJECT_PTR as a new
2756         second operand to OFFSETOF_EXPR.
2757         * pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
2758         finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
2759         as OBJECT_PTR.
2761 2017-01-26  Jason Merrill  <jason@redhat.com>
2763         * name-lookup.c (parse_using_directive): Deprecate strong using.
2765         PR c++/79176 - lambda ICE with -flto -Os
2766         * decl2.c (vague_linkage_p): Handle decloned 'tors.
2767         * tree.c (decl_linkage): Likewise.
2769 2017-01-25  Martin Sebor  <msebor@redhat.com>
2771         * decl.c (grokdeclarator): Fix a typo in a comment.
2773 2017-01-25  Jakub Jelinek  <jakub@redhat.com>
2775         PR c++/78896
2776         * decl.c (cp_finish_decomp): Disallow memberwise decomposition of
2777         lambda expressions.
2779         PR c++/77914
2780         * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
2781         OPT_Wpedantic on lambda templates for -std=c++14 and higher.
2783 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
2785         PR lto/79061
2786         * decl.c (cxx_init_decl_processing): Pass main_input_filename
2787         to build_translation_unit_decl.
2789 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
2791         PR c++/79205
2792         * cp-gimplify.c (cp_genericize_r): Add result of
2793         convert_from_reference on invisiref parm to p_set.
2795 2017-01-24  Nathan Sidwell  <nathan@acm.org>
2797         PR c++/78469 - defaulted ctor and inaccessible dtor
2798         * cp-tree.h (tsubst_flags): Add tf_no_cleanup.
2799         * init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
2800         * tree.c (build_target_expr): Check tf_no_cleanup.
2802         PR c++/79118 - anon-members and constexpr
2803         * constexpr.c (cx_check_missing_mem_inits): Caller passes type not
2804         ctor decl.  Recursively check anonymous members.
2805         (register_constexpr_fundef): Adjust cx_check_missing_mem_inits
2806         call.
2807         (explain_invalid_constexpr_fn): Likewise.
2809 2017-01-23  Nathan Sidwell  <nathan@acm.org>
2811         PR c++/71710 - template using directive of field
2812         * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
2813         check earlier.
2815         PR c++/71406 - ICE with scope-ref'd template id exprs
2816         PR c++/77508
2817         * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
2818         before breaking up TEMPLATE_ID_EXPR.
2820 2017-01-20  Nathan Sidwell  <nathan@acm.org>
2822         PR c++/78495 - wrong code inherited ctor and invisi-ref parm
2823         * cp-gimplify.c (cp_generize_r): Don't skip thunks.
2825 2017-01-20  David Malcolm  <dmalcolm@redhat.com>
2827         PR c++/77829
2828         PR c++/78656
2829         * cp-tree.h (suggest_alternatives_for): Add bool param.
2830         (suggest_alternative_in_explicit_scope): New decl.
2831         * error.c (qualified_name_lookup_error): When SCOPE is a namespace
2832         that isn't the global one, call new function
2833         suggest_alternative_in_explicit_scope, only calling
2834         suggest_alternatives_for if it fails, and disabling near match
2835         searches fort that case.  When SCOPE is the global namespace,
2836         pass true for new param to suggest_alternatives_for to allow for
2837         fuzzy name lookups.
2838         * lex.c (unqualified_name_lookup_error): Pass true for new param
2839         to suggest_alternatives_for.
2840         * name-lookup.c (consider_binding_level): Add forward decl.
2841         (suggest_alternatives_for): Add "suggest_misspellings" param,
2842         using it to conditionalize the fuzzy name-lookup code.
2843         (suggest_alternative_in_explicit_scope): New function.
2844         * parser.c (cp_parser_primary_expression): When calling
2845         finish_id_expression, pass location of id_expression rather
2846         than that of id_expr_token.
2847         (cp_parser_id_expression): Convert local "unqualified_id" from
2848         tree to cp_expr to avoid implicitly dropping location information.
2850 2017-01-20  Marek Polacek  <polacek@redhat.com>
2852         PR c/64279
2853         * call.c (build_conditional_expr_1): Warn about duplicated branches.
2854         * semantics.c (finish_expr_stmt): Build statement using the proper
2855         location.
2857 2017-01-19  Jason Merrill  <jason@redhat.com>
2859         US 20 - forwarding references and class template argument deduction
2860         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
2861         * pt.c (push_template_decl_real): Set it.
2862         (maybe_adjust_types_for_deduction): Check it.
2863         (rewrite_template_parm): Copy it.
2865         US 19 - deduction guides and constructors
2866         * call.c (joust): Prefer deduction guides to constructors.
2867         * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
2868         (deduction_guide_p): Check DECL_P.
2870         * decl.c (check_initializer): Always use build_aggr_init for array
2871         decomposition.
2873         PR c++/79130 - decomposition and direct-initialization
2874         * init.c (build_aggr_init): Communicate direct-initialization to
2875         build_vec_init.
2876         (build_vec_init): Check for array copy sooner.
2877         * parser.c (cp_parser_decomposition_declaration): Remove call to
2878         build_x_compound_expr_from_list.
2880 2017-01-18  Jason Merrill  <jason@redhat.com>
2882         PR c++/68666 - member variable template-id
2883         * typeck.c (finish_class_member_access_expr): Handle variable
2884         template-id.
2885         * pt.c (lookup_and_finish_template_variable): No longer static.
2886         * cp-tree.h: Declare it.
2888 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2890         PR c++/78488
2891         * call.c (build_over_call): When checking ellipsis conversions for
2892         an inherited ctor, make sure there is at least one conversion.
2894 2017-01-18  Jason Merrill  <jason@redhat.com>
2896         PR c++/78894 - ICE with class deduction and default arg
2897         * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
2899 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2901         PR c++/77489
2902         * mangle.c (write_discriminator): Reorganize abi warning check.
2904 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2906         * cp-tree.h: Clarify exception spec node comment.
2907         * except.c (nothrow_spec_p): Simplify by checking node-equality.
2909         PR c++/79091
2910         * mangle.c (write_exception_spec): Check nothrow explicitly.
2911         (write_encoding): Don't increment processing_template_decl around
2912         encoding.
2914 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2916         PR c++/70182
2917         * mangle.c (write_template_args): Add "on" for operator names.
2919 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2921         PR c++/77489
2922         * mangle.c (write_discriminator): Handle discriminator >= 10.
2924 2017-01-17  Nathan Sidwell  <nathan@acm.org>
2926         PR c++/61636
2927         * cp-tree.h (maybe_generic_this_capture): Declare.
2928         * lambda.c (resolvable_dummy_lambda): New, broken out of ...
2929         (maybe_resolve_dummy): ... here.  Call it.
2930         (maybe_generic_this_capture): New.
2931         * parser.c (cp_parser_postfix_expression): Speculatively capture
2932         this in generic lambda in unresolved member function call.
2933         * pt.c (tsubst_copy_and_build): Force hard error from failed
2934         member function lookup in generic lambda.
2936 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
2938         PR c++/70565
2939         * cp-array-notation.c (expand_array_notation_exprs): Handle
2940         OMP_PARALLEL.
2942 2017-01-11  Jason Merrill  <jason@redhat.com>
2944         PR c++/78337 - ICE on invalid with generic lambda
2945         * semantics.c (process_outer_var_ref): Check if containing_function
2946         is null.  Move inform call under complain test.
2948 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2950         PR c++/77812
2951         * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
2952         is a new overload.
2954 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2956         * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
2958 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
2960         PR c++/78341
2961         * parser.c (cp_parser_std_attribute_spec): Remove over-eager
2962         assertion.  Formatting fix.
2964         PR c++/72813
2965         * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
2966         writing PCH file.
2968 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
2970         PR c++/77949
2971         * parser.c (cp_parser_class_specifier_1): Only suggest inserting
2972         a missing semicolon if we have a valid insertion location for
2973         the fix-it hint.
2975 2017-01-10  Jason Merrill  <jason@redhat.com>
2977         FI 20, decomposition declaration with parenthesized initializer.
2978         * parser.c (cp_parser_decomposition_declaration): Use
2979         cp_parser_initializer.
2981 2017-01-09  Jason Merrill  <jason@redhat.com>
2983         Implement P0195R2, C++17 variadic using.
2984         * parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
2985         * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
2986         * error.c (dump_decl): Likewise.
2988 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
2990         PR translation/79019
2991         PR translation/79020
2992         * semantics.c (finish_omp_clauses): Add missing whitespace to
2993         translatable strings.
2994         * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
2996 2017-01-07  Jason Merrill  <jason@redhat.com>
2998         PR c++/78948 - instantiation from discarded statement
2999         * parser.h (struct cp_parser): Remove in_discarded_stmt field.
3000         * cp-tree.h (in_discarded_stmt): Declare it.
3001         (struct saved_scope): Add discarded_stmt bitfield.
3002         (in_discarded_stmt): New macro.
3003         * decl2.c (mark_used): Check it.
3004         * parser.c (cp_parser_selection_statement): Adjust.
3005         (cp_parser_jump_statement): Adjust.
3007 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
3009         PR c++/78931
3010         * decl.c (cp_finish_decomp): Remove probe variable, if tt is
3011         REFERENCE_REF_P, set tt to its operand.
3013         PR c++/78890
3014         * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
3015         unions even for C++11 and later.
3017 2017-01-05  Nathan Sidwell  <nathan@acm.org>
3019         PR c++/78765
3020         * pt.c (convert_nontype_argument): Don't try and see if integral
3021         or enum expressions are constants prematurely.
3023 2017-01-04  Marek Polacek  <polacek@redhat.com>
3025         PR c++/64767
3026         * typeck.c (cp_build_binary_op): Warn when a pointer is compared with
3027         a zero character literal.
3029 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
3031         PR c++/78949
3032         * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
3033         vector type.
3035         PR c++/78693
3036         * parser.c (cp_parser_simple_declaration): Only complain about
3037         inconsistent auto deduction if auto_result doesn't use auto.
3039         * parser.c (cp_parser_simple_declaration): Diagnose function
3040         declaration among more than one init-declarators with auto
3041         specifier.
3043         PR c++/71182
3044         * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
3045         assertion, as lexer->buffer may be NULL.
3047 2017-01-04  Marek Polacek  <polacek@redhat.com>
3049         PR c++/77545
3050         PR c++/77284
3051         * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
3053 2017-01-04  Nathan Sidwell  <nathan@acm.org>
3055         PR c++/66735
3056         * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
3057         (lambda_capture_field_type): Update prototype.
3058         * lambda.c (lambda_capture_field_type): Add is_reference parm.
3059         Add referenceness here.
3060         (add_capture): Adjust lambda_capture_field_type call, refactor
3061         error checking.
3062         * pt.c (tsubst): Adjust lambda_capture_field_type call.
3064 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
3066         Update copyright years.
3068 Copyright (C) 2017 Free Software Foundation, Inc.
3070 Copying and distribution of this file, with or without modification,
3071 are permitted in any medium without royalty provided the copyright
3072 notice and this notice are preserved.