PR c++/80891 (#2)
[official-gcc.git] / gcc / cp / ChangeLog
blob8f5dbc3f08b4db1e219f7c77ccb20be53440316f
1 2017-05-26  Nathan Sidwell  <nathan@acm.org>
3         PR c++/80891 (#2)
4         * tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
5         (ovl_used): New.
6         (lookup_keep): Call it.
8         Implement DR2061
9         * name-lookup.c (push_inline_namespaces): New.
10         (push_namespace): Look inside inline namespaces.
12         Inline and using namespace representation change.
13         * cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
14         inlinees as vector.
15         (DECL_NAMESPACE_USING): Adjust.
16         (DECL_NAMESPACE_INLINEES): New.
17         * name-lookup.h (struct cp_binding_level): Change usings
18         representation.
19         * name-lookup.c (name_lookup::do_queue_usings,
20         name_lookup::queue_usings): Adjust.
21         (name_lookup::search_namespace, name_lookup::search_usings,
22         name_lookup::queue_namespace): Adjust.
23         (name_lookup::adl_namespace_only): Adjust.
24         (add_using_namespace, push_namespace): Push onto vector.
25         (pop_namespace): Add timing logic.
27         * call.c (build_operator_new_call): Do namelookup and ADL here.
28         (build_new_op_1): Likewise.
29         * name-lookup.h (lookup_function_nonclass): Delete declaration.
30         (do_using_directive): Likewise.
31         * name-lookup.c (set_namespace_binding, push_local_binding): Don't
32         declare early.
33         (struct scope_binding): Delete.
34         (EMPTY_SCOPE_BINDING): Delete.
35         (set_decl_namespace): Use OVL_P.
36         (finish_local_using_decl): Lose unnecesary checks.
37         (lookup_function_nonclass): Delete.
38         (cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
40         * cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
41         (ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
42         unduplicatable.
43         (ovl_iterator::maybe_push, ovl_iterator::pop): New.
44         (lkp_iterator): Add outer field.  Adjust ctor.
45         (lkp_iterator::operator++): New.
46         (lookup_mark, lookup_maybe_add): Declare.
47         * name-lookup.c (name_lookup): Delete fn_set member.
48         (name_lookup::preserve_state, name_lookup::restore_state): Unmark
49         and mark lookup.
50         (name_lookup::add_value): Use lookup_add directly.
51         (name_lookup::add_fns: Use lookup_maybe_add.
52         (name_lookup::search_adl): Mark and unmark fns.
53         (pushdecl): Adjust.
54         * pt.c (check_explicit_specialization): Use lookup_add directly.
55         * ptree.c (cxx_print_xnode): Show complete overload structure.
56         * tree.c (lookup_mark, lookup_maybe_add): New.
58         * name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
60 2017-05-26  Jakub Jelinek  <jakub@redhat.com>
62         * cp-tree.h (struct lang_decl_decomp): New type.
63         (struct lang_decl): Add u.decomp.
64         (LANG_DECL_DECOMP_CHECK): Define.
65         (DECL_DECOMPOSITION_P): Note it is set also on the vars
66         for user identifiers.
67         (DECL_DECOMP_BASE): Define.
68         (retrofit_lang_decl): Add extra int = 0 argument.
69         * lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
70         use it to influence the selector choices and for selector
71         0 to non-zero transition copy old content.
72         (cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
73         * decl.c (poplevel): For DECL_DECOMPOSITION_P, check
74         !DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
75         wording if decl is a structured binding.
76         (cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
77         Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
78         of individual variables for tuple structured bindings.
79         (grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
80         Clear DECL_DECOMP_BASE.
81         * decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
82         * pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
83         is expected.
84         * expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
85         DECL_VALUE_EXPR.
87 2017-05-25  Jason Merrill  <jason@redhat.com>
89         PR c++/80605 - __is_standard_layout and zero-length array
90         * class.c (check_bases): Use DECL_FIELD_IS_BASE.
92 2017-05-25  Nathan Sidwell  <nathan@acm.org>
94         Kill OVL_CURRENT, OVL_NEXT.
95         * cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
96         * name-lookup.c (set_decl_namespace): Use ovl_iterator.
97         (consider_binding_level): Use OVL_FIRST.
98         (cp_emit_debug_info_for_using): Use lkp_iterator.
99         * pt.c (check_explicit_specialization): Use ovl_iterator.       
101         Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
102         * cp-tree.h (lang_decl_ns): Remove ns_users field.
103         (DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
104         (TREE_INDIRECT_USING): Delete.
105         * name-lookup.h (is_associated_namespace): Delete.
106         * name-lookup.c (name_lookup::search_usings,
107         name_lookup::do_queue_usings): Usings are always direct.
108         (is_associated_namespace): Delete.
109         (handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
110         (namespace_ancestor_1, namespace_ancestor): Delete.
111         (push_using_directive_1, push_using_directive): Delete.
112         (add_using_namespace_1): Delete.
113         (add_using_namespace): Reimplement.
114         (emit_debug_info_using_namespace): New.
115         (finish_namespace_using_directive, finish_local_using_directive,
116         push_namespace): Adjust.
117         * tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
119 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
121         * semantics.c (finish_handler_parms): Warn about non-reference type
122         catch handlers.
124 2017-05-25  Nathan Sidwell  <nathan@acm.org>
126         Reimplement unqualified namespace lookup.
127         * name-lookup.c (name_lookup::using_pair,
128         name_lookup::using_queue): New typedefs.
129         (name_lookup::queue_namespace, name_lookup::do_queue_usings,
130         name_lookup::queue_usings): New.
131         (name_lookup::search_unqualified): New.
132         (merge_functions, same_entity_p, ambiguous_decl,
133         unqualified_namespace_lookup_1, unqualified_namespace_lookup,
134         lookup_using_namespace): Delete.
135         (lookup_name_real_1): Adjust.
137         Reimplement qualified namespace lookup.
138         * name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
139         (name_lookup::ambiguous, name_lookup::add_value,
140         name_lookup::add_type, name_lookup::process_binding): New.
141         (name_lookup::search_namespace_only,
142         name_lookup::search_namespace, name_lookup::search_usings): New.
143         (name_lookup::search_qualified): New.
144         (do_nonmember_using_decl, suggest_alternatives_for,
145         lookup_qualified_name): Adjust.
146         (tree_vec_contains): Delete.
147         (qualified_lookup_using_namespace): Rename to ...
148         (qualified_namespace_lookup): ... here.  Reimplement.
150         Reimplement ADL.
151         * cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
152         * name-lookup.h (lookup_arg_dependent): Return plain tree.
153         * name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
154         arg_assoc_args_vec, arg_assoc_type, add_function,
155         arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
156         arg_assoc_class, arg_assoc_template_arg, arg_assoc,
157         lookup_arg_dependent_1): Delete.
158         (name_lookup): New lookup object.
159         (name_lookup::preserve_state, name_lookup::restore_state,
160         name_lookup::mark_seen, name_lookup::find_and_mark,
161         name_lookup::add_fns, name_lookup::adl_namespace_only,
162         name_lookup::adl_namespace, name_lookup::adl_class_only,
163         name_lookup::adl_bases, name_lookup::adl_class,
164         name_lookup::adl_expr, name_lookup::adl_type,
165         name_lookup::adl_template_arg, name_lookup::search_adl): New.
166         (lookup_arg_dependent): Return a plain tree.  Adjust.
167         (is_associated_namespace): Move later.
168         
169 2017-05-24  Nathan Sidwell  <nathan@acm.org>
171         * friend.c (do_friend): Remove check for existing decl.
172         * name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
173         * name-lookup.c (push_local_binding): Directly look for binding.
174         (lookup_name_innermost_nonclass_level_1): Delete.
175         (lookup_name_innermost_nonclass_level): Delete.
177         * Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
179         * cp-tree.h (cp_free_lang_data): Add extern.
180         (ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
181         ATTRIBUTE_PURE.
182         (type_unknown_p): Return bool, make inline, lose TREE_LIST check.
183         * typeck.c (type_unknown_p): Delete.
184         * tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
185         overload management.
186         (dependent_name): Likewise.
187         (decl_anon_ns_mem_p): Simplify.
189 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
191         PR c++/80544
192         * tree.c (reshape_init): Use unqualified type for direct enum init.
193         * typeck.c (maybe_warn_about_cast_ignoring_quals): New.
194         (build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
195         non-class destination types.
196         (build_const_cast_1): Strip cv-quals from destination types.
197         (build_static_cast, build_reinterpret_cast, build_const_cast)
198         (cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
200 2017-05-24  Martin Sebor  <msebor@redhat.com>
202         PR c/80731
203         * call.c (fully_fold_internal): Adjust.
205 2017-05-24  Nathan Sidwell  <nathan@acm.org>
207         * cp-tree.h (ovl_skip_hidden): Declare.
208         * tree.c (ovl_skip_hidden): New.
209         * name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
210         (lookup_arg_dependent_1): Likewise.
211         (ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
212         (hidden_name_p, remove_hidden_names): Delete.
213         (lookup_name_real_1): Do not strip hidden names.
214         * name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
216         * cp-tree.h (OVL_HIDDEN_P): New.
217         (ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
218         (ovl_iterator::reveal_node): Declare.
219         * tree.c (ovl_copy): Copy OVL_HIDDEN_P.
220         (ovl_insert): Order on hiddenness.
221         (ovl_iterator::reveal_node): New.
222         * name-lookup.c (anticipated_builtin_p): New.
223         (supplement_binding_1): Use it.
224         (set_local_extern_decl_linkage): Use hidden_p.
225         (do_pushdecl): Deal with unhiding a hidden decl, use
226         anticipated_builtin_p.
227         (do_nonmember_using_decl): Use anticipated_decl_p.
228         (lookup_name_real_1): Use DECL_HIDDEN_P.
230 2017-05-23  Jason Merrill  <jason@redhat.com>
232         -Wunused and C++17 structured bindings
233         * decl.c (poplevel): Don't warn about unused structured bindings,
234         only real variables.
235         * error.c (dump_simple_decl): Handle structured bindings.
236         * expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
238 2017-05-23  Nathan Sidwell  <nathan@acm.org>
240         * cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
241         * name-lookup.c (create_local_binding): New.
242         (update_binding): New.
243         (pushdecl_maybe_friend_1): Rename to ...
244         (do_pushdecl): ... this.  Reimplement.
245         (pushdecl): Adjust.
246         (push_overloaded_decl_1, push_overloaded_decl): Delete.
248 2017-05-23  Jason Merrill  <jason@redhat.com>
250         PR c++/80396 - built-in for make_integer_sequence.
251         * pt.c (builtin_pack_fn_p, builtin_pack_call_p)
252         (expand_integer_pack, expand_builtin_pack_call): New.
253         (find_parameter_packs_r): Check builtin_pack_call_p.
254         (check_for_bare_parameter_packs): Handle it.
255         (tsubst_pack_expansion): Call expand_builtin_pack_call.
256         (declare_integer_pack): New.
257         (init_template_processing): Call it.
258         * decl2.c (mark_used): Check builtin_pack_fn_p.
260 2017-05-23  Nathan Sidwell  <nathan@acm.org>
262         * name-lookup.c (find_namespace_binding): New.
263         (pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
264         (set_identifier_type_value_with_scope): Use find_namespace_binding.
265         (find_binding, cp_binding_level_find_binding_for_name,
266         binding_for_name, namespace_binding_1): Delete.
267         (push_overloaded_decl_1): Use CP_DECL_CONTEXT.
268         (get_namespace_binding, set_namespace_binding,
269         finish_namespace_using_decl, unqualified_namespace_lookup_1,
270         qualified_lookup_using_namespace, lookup_type_scope_1,
271         lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
273         PR c++/80866
274         * parser.c (cp_parser_template_id): Keep the lookup when stashing
275         the template_id.
277         * cp-tree.h (DECL_HIDDEN_P): New.
278         * name-lookup.c (set_decl_context,
279         set_local_extern_decl_linkage): New, broken out of ...
280         (pushdecl_maybe_friend_1): ... here.  Call them.
282 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
284         * parser.c (OACC_KERNELS_CLAUSE_MASK): Add
285         "PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
286         "VECTOR_LENGTH".
288 2017-05-23  Nathan Sidwell  <nathan@acm.org>
290         * cp-tree.h (OVL_P): New.
291         * name-lookup.h (push_local_binding): Delete.
292         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
293         (finish_namespace_using_decl, finish_local_using_decl): ... here
294         * name-lookup.c (add_decl_to_level): Swap args.
295         (pop_bindings_and_leave_scope): Look inside TREE_LIST.
296         (diagnose_name_conflict): Check contexts are same for redecl.
297         (update_local_overload): New.
298         (compparms_for_decl_and_using): Rename to ...
299         (matching_fn_p): ... here.
300         (pushdecl_maybe_friend_1): Adjust add_decl_to_level,
301         push_local_bindings call.
302         (push_local_binding): Make static, replace FLAGS arg with
303         IS_USING.
304         (validate_nonmember_using_decl): Use OVL_FIRST.
305         (do_nonmember_using_decl): Use in/out parameters.  Use
306         lkp_iterator and simplify.
307         (do_toplevel_using_decl, do_local_using_decl): Rename to ...
308         (finish_namespace_using_decl, finish_local_using_decl): ... here.
309         Adjust.
310         (lookup_type_current_level): Delete.
311         * parser.c (cp_parser_using_declaration): Adjust.
312         * pt.c (tsubst_expr): Adjust.
314 2017-05-22  Nathan Sidwell  <nathan@acm.org>
316         * name-lookup.h (parse_using_directive): Replace with ...
317         (finish_namespace_using_directive): ... this and ...
318         (finish_local_using_directive): ... this.
319         * name-lookup.c (add_using_namespace_1): Move later.
320         (add_using_namespace): Move later, add namespace_p arg, remove
321         indirect arg.
322         (push_using_directive_1): Directly recurse.
323         (do_using_directive, parse_using_directive): Delete, split into ...
324         (finish_namespace_using_directive): ... this and ...
325         (finish_local_using_directive): ... this.
326         (push_namespace): Use add_using_namespace.
327         * parser.c (cp_parser_using_directive): Call
328         finish_namespace_using_directive or finish_local_using_directive.
329         * pt.c (tsubst_expr): Call finish_local_using_directive.
331         * cp-objcp-common.c (cp_register_dumps): Register raw dumper.
332         * cp-tree.h (raw_dump_id): Declare.
333         * decl2.c (raw_dump_id): Define.
334         (dump_tu): Use raw_dump_id.
336         * config-lang.in (gtfiles): Sort list, break lines.
338         * cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
339         (CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
340         ( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
341         CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
342         CPTI_RETHROW_FN): New.
343         (noexcept_deferred_spec): New.
344         (terminate_node, call_unexpected_node): Rename to ...
345         (terminate_fn, call_unexpected_fn): ... here.
346         (get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
347         allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
348         * except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
349         (init_exception_processing): Adjust.
350         (declare_library_fn): Create and push the fns here.
351         (do_get_exception_ptr, do_begin_catch, do_end_catch,
352         do_allocate_exception_ptr, do_free_exception_ptr): Adjust
353         declare_library_fn use.
354         (unevaluated_noexcept_spec): Adjust.
355         * cp-gimplify.c (genericize_eh_spec_block,
356         gimplify_most_not_throw_expr): Adjust.
358         * name-lookup.c (pushdecl_top_level,
359         pushdecl_top_level_and_finish): Move after namespace pushing and
360         popping functions.
361         (push_to_top_level): Rename to ...
362         (do_push_to_top_level): ... here.  Remove timing code.
363         (pop_from_top_level_1): Rename to ...
364         (do_pop_from_top_level): ... here.
365         (do_push_nested_namespace, do_pop_nested_namespace)
366         (push_to_top_level): New wrapper for do_push_to_top_level.
367         (pop_from_top_level): Adjust.
368         (push_nested_namepace, pop_nested_namespace): Wrappers for workers.
370 2017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
372         * config-lang.in (gtfiles): Add c-family/c-format.c,
373         except.c, init.c, lambda.c and friend.c.
374         * class.c (dvirt_fn): Move out of function scope,
375         add GTY attribute.
376         * except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
377         * init.c (fn): Likewise.
378         * lambda.c (ptr_id, max_id): Likewise.
379         * friend.c (global_friend): Add GTY attribute.
381 2017-05-19  Nathan Sidwell  <nathan@acm.org>
383         * call.c (add_list_candidates): Use OVL_FIRST.
384         (build_new_method_call_1): Likewise.
385         * cp-tree.h (OVL_SINGLE_P): New.
386         (TYPE_HIDDEN_P): New.
387         * decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
388         * dump.c (cp_tump_tree): Adjust overload dumping.
389         * error.c (dump_decl): Use OVL_SINGLE_P, simplify context
390         printing.
391         * method.c (lazily_declare_fn): Assert we added it.
392         * parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
393         OVL_FIRST.
394         (cp_parser_template_name): Use lkp_iterator.
395         * pt.c (begin_template_parm_list): Fixup comment.
396         (instantiate_class_template_1): Use TYPE_HIDDEN_P.
397         * tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
398         (ovl_scope): Use lkp_iterator.
400 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
402         * parser.c (cp_parser_omp_clause_default): Handle
403         "OMP_CLAUSE_DEFAULT_PRESENT".
405         * parser.c (cp_parser_omp_clause_default): Avoid printing more
406         than one syntax error message.
408 2017-05-19  Nathan Sidwell  <nathan@acm.org>
410         * class.c (class_dump_id): Define.
411         (dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
412         * cp-objcp-common.c (cp_register_dumps): New.
413         * cp-objcp-common.h (cp_register_dumps): Declare.
414         (LANG_HOOKS_REGISTER_DUMPS): Override.
415         * cp-tree.h (class_dump_id): Declare.
417 2017-05-18  Nathan Sidwell  <nathan@acm.org>
419         * cp-tree.h (OVL_ARG_DEPENDENT): Delete.
420         (OVL_USED_P): New.
421         (lookup_keep): Declare.
422         * name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
423         * pt.c (tsubst_copy): Assert lookup is persistent.
424         * semantics.c (finish_call_expr): Use lkp_iterator, call
425         lookup_keep.
426         * tree.c (ovl_copy): New.
427         (ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
428         (lookup_keep): New.
430         * cp-tree.h (OVL_USED): Replace with ...
431         (OVL_USING_P): ... this.
432         (ovl_iterator::using_p): Adjust.
433         * name-lookup.c (push_overloaded_decl_1,
434         do_nonmember_using_decl): Adjust.
435         * search.c (lookup_field_r): Adjust.
436         * tree.c (ovl_insert, ovl_scope): Adjust.
438         * cp-tree.h (lookup_add): Swap args.
439         (ovl_cons, build_overload): Delete.
440         * name-lookup.c (add_function, push_overloaded_decl_1,
441         do_nonmember_using_decl, merge_functions, remove_hidden_names):
442         Use lookup_add, ovl_insert.
443         * pt.c (check_explicit_specialization): Use lookup_add.
444         (do_class_deduction): Likewise. Refactor if.
445         * tree.c (lookup_add): Swap args.
446         (ovl_cons, build_overload): Delete.
448         * name-lookup.c (find_local_binding): New, broken out of ...
449         (lookup_name_innermost_nonclass_level_1): ... here.  Call it.
450         (set_namespace_binding): Swap scope & name args.
451         (namespace_binding_1): Likewise.
452         (pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
453         (push_overloaded_decl_1): Likewise.
454         (set_global_binding): Likewise.
455         (get_namespace_binding): Adjust namespace_binding_1 call.
457 2017-05-17  Nathan Sidwell  <nathan@acm.org>
459         * cp-tree.h (default_hash_traits <lang_identifier *>): New
460         specialization.
461         * name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
462         (extern_c_fns): New hash table.
463         (check_extern_c_conflict): New, broken out of ...
464         (pushdecl_maybe_friend_1): ... here.  Call it.
465         (c_linkage_bindings): Just look in hash table.
467 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
469         PR c++/80654
470         PR c++/80682
471         Implement new C++ intrinsics __is_assignable and __is_constructible.
472         * cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
473         (is_xible): New.
474         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
475         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
476         * method.c (constructible_expr): Set cp_unevaluated.
477         (is_xible_helper): New.
478         (is_trivially_xible): Adjust.
479         (is_xible): New.
480         * parser.c (cp_parser_primary_expression): Handle
481         RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
482         (cp_parser_trait_expr): Likewise.
483         * semantics.c (trait_expr_value): Handle
484         CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
486 2017-05-17  Nathan Sidwell  <nathan@acm.org>
488         * cp-tree.h (ovl_iterator::using_p): New predicate.
489         (ovl_iterator::remove_node): New worker.
490         (ovl_insert): Declare.
491         * tree.c (ovl_insert): New.
492         (ovl_iterator::remove_node): New.
493         * class.c (add_method): Use ovl_iterator, ovl_insert.
494         (clone_function_decl): Fix description.
495         (clone_constructors_and_destructors): Use ovl_iterator.
497         * class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
498         (maybe_warn_about_overly_private_class): Use ovl_iterator.
499         (method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
500         (resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
501         (get_base_fndecls): Use ovl_iterator.
502         (warn_hidden): Use OVL_NAME, ovl_iterator.
503         (add_implicitly_declared_members): Use ovl_iterator.
504         * constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
505         flatten nested if.
506         (finish_shorthand_constraint): Simplify, use ovl_make.
507         * pt.c (make_constrained_auto): Simplify.  Use ovl_make.
508         * search.c (shared_member_p): Use ovl_iterator.
509         (lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
510         (lookup_conversion_operator): Use OVL_FIRST.
511         (lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
512         (look_for_overrides_here): Use ovl_iterator.
513         (lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
514         * typeck.c (build_x_unary_op): Use ovl_make.
516 2017-05-17  Martin Liska  <mliska@suse.cz>
518         * class.c (dump_class_hierarchy): Introduce dump_flags_t type and
519         use it instead of int type.
520         (dump_vtable): Likewise.
521         (dump_vtt): Likewise.
522         * decl2.c (dump_tu): Likewise.
524 2017-05-16  David Malcolm  <dmalcolm@redhat.com>
526         * call.c (enforce_access): Add access_failure_info * param and use
527         it to record access failures.
528         * cp-tree.h (class access_failure_info): New class.
529         (enforce_access): Add access_failure_info * param, defaulting to
530         NULL.
531         (lookup_member): Likewise.
532         (locate_field_accessor): New function decl.
533         (perform_or_defer_access_check): Add access_failure_info * param,
534         defaulting to NULL.
535         * search.c (lookup_member): Add access_failure_info * param and
536         pass it on to call to perform_or_defer_access_check.
537         (matches_code_and_type_p): New function.
538         (field_access_p): New function.
539         (direct_accessor_p): New function.
540         (reference_accessor_p): New function.
541         (field_accessor_p): New function.
542         (struct locate_field_data): New struct.
543         (dfs_locate_field_accessor_pre): New function.
544         (locate_field_accessor): New function.
545         * semantics.c (perform_or_defer_access_check): Add
546         access_failure_info * param, and pass it on to call to
547         enforce_access.
548         * typeck.c (access_failure_info::record_access_failure): New method.
549         (access_failure_info::maybe_suggest_accessor): New method.
550         (finish_class_member_access_expr): Pass an access_failure_info
551         instance to the lookup_member call, and call its
552         maybe_suggest_accessor method afterwards.
554 2017-05-16  Marek Polacek  <polacek@redhat.com>
556         PR sanitizer/80536
557         PR sanitizer/80386
558         * cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
560 2017-05-16  Nathan Sidwell  <nathan@acm.org>
562         * name-lookup.c (check_local_shadow): New, broke out of ...
563         (pushdecl_maybe_friend_1): ... here.  Call it.
565         * cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
566         (ovl_first): Move inline definition to end of file.
567         (ovl_make, lookup_add): Declare.
568         (get_fns, get_first_fn): Make pure.
569         * tree.c (ovl_cache): New.
570         (ovl_make, lookup_add): New.
571         * pt.c (do_class_deduction): Don't add candidates that will be
572         elided.
574         * call.c (build_user_type_conversion_1): Use OVL_FIRST.
575         (print_error_for_call_failure): Use OVL_NAME.
576         (build_op_call_1): Use ovl_iterator.
577         (add_candidates): Use OVL_FIRST & lkp_iterator.
578         (build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
579         lkp_iterator.
580         * class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
581         (type_has_user_nondefault_constructor,
582         in_class_defaulted_default_constructor,
583         type_has_user_provided_constructor,
584         type_has_user_provided_or_explicit_constructor,
585         type_has_non_user_provided_default_constructor,
586         vbase_has_user_provided_move_assign,
587         type_has_move_constructor, type_has_move_assign,
588         type_has_user_declared_move_constructor,
589         type_has_user_declared_move_assign,
590         type_build_ctor_call, type_build_dtor_call,
591         type_requires_array_cookie, explain_non_literal_class): Likewise.
592         (finish_struct): Use lkp_iterator.
593         (resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
594         (note_name_declared_in_class): Use OVL_NAME.
595         * cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
596         (pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
597         cxx_pretty_printer::expression): Likewise.
598         * decl2.c (check_classfn): Use ovl_iterator.
599         * pt.c (retrieve_specialization): Use ovl_iterator.
600         * tree.c (cp_tree_equal): Use lkp_iterator.
601         (type_has_nontrivial_copy_init): Use ovl_iterator.
603         * typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
604         check is_overloaded_fn.
606 2017-05-16  Martin Liska  <mliska@suse.cz>
608         * parser.c (cp_lexer_print_token): Add default value for flags
609         argument of print_gimple_stmt, print_gimple_expr,
610         print_generic_stmt and print_generic_expr.
612 2017-05-16  Nathan Sidwell  <nathan@acm.org>
614         * cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
615         iterators.
616         (MAYBE_BASELINK_FUNCTIONS): New.
617         * constraint.cc (resolve_constraint_check): Use lkp_iterator.
618         * decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
619         * lambda.c (maybe_generic_this_capture): Use lkp_iterator.
620         * method.c (inherited_ctor_binfo): Use ovl_iterator.
621         (binfo_inherited_from): Likewise.
622         * parser.c (lookup_literal_operator): Use lkp_iterator.
623         * pt.c (iterative_hash_template_arg): Use lkp_iterator.
624         (print_candidates_1): Likewise.
625         (determine_specialization): Likewise.
626         (resolve_overloaded_unification): Likewise.
627         (resolve_nondeduced_context): Likewise.
628         (type_dependent_expression_p): Likewise.
629         (dependent_template_p): Likewise.
630         * ptree.c (cxx_print_xnode): Likewise.
631         * semantics.c (omp_reduction_lookup): Use lkp_iterator.
632         (classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
633         * typeck.c (check_template_keyword): Use lkp_iterator.
635         * cp-tree.h (OVL_FIRST, OVL_NAME): New.
636         (ovl_first): New.
637         * constexpr.c (function_concept_check): Use OVL_FIRST.
638         * cvt.c (build_expr_type_conversion): Likewise.
639         * decl.c (poplevel, grokdeclarator): Use OVL_NAME.
640         * decl2.c (mark_used): Use OVL_FIRST.
641         * error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
642         (dump_expr, location_of): Use OVL_FIRST.
643         * friend.c (do_friend): Use OVL_NAME.
644         * init.c (build_offset_ref): Use OVL_FIRST.
645         * mangle.c (write_member_name): Likewise.
646         (write_expression): Use OVL_NAME.
647         * method.c (strip_inheriting_ctors): Use OVL_FIRST.
648         * name-lookup.c (pushdecl_class_level): Use OVL_NAME.
649         * pt.c (check_explicit_specialization): Use OVL_FIRST.
650         (check_template_shadow): Likewise.
651         (tsubst_template_args): Use OVL_NAME.
652         (tsubst_baselink): Use OVL_FIRST.
653         * semantics.c (perform_koenig_lookup): Use OVL_NAME.
654         * tree.c (get_first_fn): Use OVL_FIRST.
655         * typeck.c (finish_class_member_access_expr): Use OVL_NAME.
656         (cp_build_addr_expr_1): Use OVL_FIRST.
658         * pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
659         peeking.
660         * semantics.c (finish_id_expression): Directly init local var.
661         (finish_omp_reduction_clause): Use really_overloaded_fn.
662         * tree.c (get_fns): Document.  Assert we got an overload.
663         (get_first_fn) Document.
664         * typeck.c (cp_build_addr_expr_1): Pass arg directly to
665         really_overloaded_fn.
666         * typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
668         * cp-tree.h (SCOPE_DEPTH): New.
669         * name-lookup.h (is_nested_namespace): Declare.
670         * name-lookup.c (is_nested_namespace): New.
671         (is_ancestor): Use it.
672         (set_decl_namespace): Likewise.
673         (push_namespace): Set SCOPE_DEPTH.
674         * pt.c (check_specialization_namespace): Use is_nested_namespace.
675         (check_unqualigied_spec_or_inst): Likewise.
677 2017-05-15  Nathan Sidwell  <nathan@acm.org>
679         PR c++/79369
680         * cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
681         * name-lookup.h (push_namespace): Return int, add make_inline arg.
682         * name-lookup.c (push_namespace): Deal with inline directly.
683         Return pushed count.
684         * parser.c (cp_parser_namespace_definition): Adjust for
685         push_namespace change.
687 2017-05-11  Nathan Sidwell  <nathan@acm.org>
689         * cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
690         LANG_HOOKS_PUSHDECL): Move to ...
691         * cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
692         LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
693         * cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
695         * name-lookup.h (pushdecl): Add default friend parm.
696         (pushdecl_maybe_friend): Delete.
697         (pushdecl_top_level): Add default friend parm.
698         (pushdecl_top_level_maybe_friend): Delete.
699         * name-lookup.c (pushdecl_maybe_friend): Delete.
700         (pushdecl): Add is_friend parm.
701         (pushdecl_top_level): Add is friend_parm.
702         (pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
703         (pushdecl_top_level_and_finish): Do pushing and finishing directly.
704         * friend.c (do_friend): Adjust.
705         * pt.c (tsubst_friend_class): Adjust.
707         Revert pushdecl_top_level_and_finish name change.
708         * name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
709         * name-lookup.c (pushdecl_top_level_and_finish): Likewise.
710         * decl.c (cp_make_fname_decl): Adjust.
711         * decl2.c (get_guard, handle_tls_init):  Adjust.
712         * rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
714         * name-lookup.c (pushdecl_outermost_localscope): Always
715         conditionally stop timer.
717         * decl.c (xref_tag_1): Don't frob ts_lambda scope here.
718         * name-lookup.c (pushtag_1): Deal with ts_lambda scope.
720         * cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
721         pushtag_top_level_maybe_friend,
722         pushdecl_top_level_and_finish): Move declarations to ...
723         * name-lookup.h: ... here.  Group pushdecl variants.
724         (pushdecl_top_level_and_finish): Rename to ...
725         (pushdecl_top_level_with_init): ... here.
726         * decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
727         * decl2.c (get_guard, handle_tls_init): Likewise.
728         * rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
729         * lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
730         * method.c (implicitly_declare_fn): Likewise.
731         * searchc (node_debug_info_needed): Likewise.
732         * name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
733         (pushdecl_top_level_with_init): ... here.
734         (pop_everything): Use namespace_bindings_p.
736         * name-lookup.h (pop_binding): Rename to pop_local_binding.
737         (getdecls): Rename to get_local_decls.
738         * name-lookup.c (pop_binding): Rename to ...
739         (pop_local_binding): ... here.
740         (pop_bindings_and_leave_scope): Adjust.
741         (getdecls): Rename to ...
742         (get_local_decls): ... here.  Assert local scope.
743         * decl.c (poplevel): Assert not namespace.  Adjust and simplify
744         logic.
745         (store_parm_decls): Adjust get_local_decls call.
746         (parser.c (synthesize_implicit_template_parm): Likewise.
748 2017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
750         PR c++/80682
751         * method.c (is_trivially_xible): Reject void types.
753 2017-05-10  Nathan Sidwell  <nathan@acm.org>
755         * class.c (handle_using_decl): Always use OVL_CURRENT.
756         (resolve_address_of_overloaded_function): Move iterator decl into
757         for scope.  Don't strip anticipated decls here.
759         * pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
760         printing.
761         (print_candidates): Adjust.
763         * cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
764         line breaking.
765         * call.c (build_new_function_call): Lose koenig_p arg.  Remove
766         koenig_p handling here.
767         * pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
768         (tsubst_omp_clauses): Likewise.
769         (do_class_deduction): Adjust buld_new_function_call calls.
770         * semantics.c (finish_call_expr): Likewise.
772 2017-05-10  Jason Merrill  <jason@redhat.com>
774         * pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
775         (unify_type_mismatch, unify_parameter_pack_mismatch)
776         (unify_ptrmem_cst_mismatch, unify_expression_unequal)
777         (unify_parameter_pack_inconsistent, unify_inconsistency)
778         (unify_vla_arg, unify_method_type_error, unify_arity)
779         (unify_arg_conversion, unify_no_common_base)
780         (unify_inconsistent_template_template_parameters)
781         (unify_template_deduction_failure)
782         (unify_template_argument_mismatch)
783         (unify_overload_resolution_failure): Call unify_invalid.
785         CWG 1847 - Clarifying compatibility during partial ordering
786         * pt.c (more_specialized_fn): No order between two non-deducible
787         parameters.
789         * pt.c (dependent_type_p): Make sure we aren't called with
790         global_type_node.
792         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
793         * pt.c (convert_template_argument): Just return an argument pack.
794         (coerce_template_parameter_pack, template_parm_to_arg)
795         (extract_fnparm_pack, make_argument_pack, tsubst_template_args)
796         (tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
797         Don't set the type of a NONTYPE_ARGUMENT_PACK.
798         * parser.c (make_char_string_pack, make_string_pack): Likewise.
800 2017-05-10  Nathan Sidwell  <nathan@acm.org>
802         * cp-tree.h (add_method, clone_function_decl): Change last arg to
803         bool.
804         * class.c (add_method): Change third arg to bool.  Adjust.
805         (one_inheriting_sig, one_inherited_ctor): Adjust.
806         (clone_function_decl): Change 2nd arg to bool.  Adjust.
807         (clone_constructors_and_destructors): Adjust.
808         * lambda.c (maybe_add_lambda_conv_op): Adjust.
809         * method.c (lazily_declare_fn): Adjust.
810         * pt.c (tsubst_decl, instantiate_template_1): Adjust.
811         * semantics.c (finish_member_declaration): Adjust.
813 2017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
815         PR c++/80145
816         * decl.c (finish_function): To improve error recovery, change the
817         logic for calling apply_deduced_return_type.
819 2017-05-09  Jason Merrill  <jason@redhat.com>
821         PR c++/80605 - __is_standard_layout and empty base
822         * class.c (check_bases): Ignore empty bases.
824         PR c++/70979 - literal class and closure types
825         * class.c (finalize_literal_type_property): Handle closures
826         specifically.
827         (explain_non_literal_class): Likewise.
829         PR c++/66297, DR 1684 - literal class and constexpr member fns
830         * constexpr.c (is_valid_constexpr_fn): Only complain about
831         non-literal enclosing class in C++11.
832         * class.c (finalize_literal_type_property): Likewise.
834 2017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
836         PR c++/80186
837         * pt.c (tsubst_decl): Early return error_mark_node if
838         grok_ctor_properties returns false.
840 2017-05-09  Jason Merrill  <jason@redhat.com>
842         PR c++/70167 - array prvalue treated as lvalue
843         * cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
844         (enum fcl_t): New.
845         * semantics.c (finish_compound_literal): Add fcl_context parameter.
846         Only make a static variable for C99 syntax.
847         * parser.c (cp_parser_postfix_expression): Pass it.
848         * pt.c (tsubst_copy_and_build): Likewise.
849         * call.c (extend_ref_init_temps): Set
850         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
852 2017-05-09  Nathan Sidwell  <nathan@acm.org>
854         * cp-lang.c (get_global_decls, cxx_pushdecl): New.
855         (LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
856         * name-lookup.h (pushdecl_top_level): Declare.
858 2017-05-08  Jason Merrill  <jason@redhat.com>
860         PR c++/80178 - parameter passing for uncopyable classes
861         * tree.c (type_has_nontrivial_copy_init): True for classes with only
862         deleted copy/move ctors.
863         (remember_deleted_copy, maybe_warn_parm_abi): New.
864         * decl.c (require_complete_types_for_parms, check_function_type):
865         Call maybe_warn_parm_abi.
866         * call.c (convert_for_arg_passing, build_cxx_call): Likewise.
868 2017-05-08  Nathan Sidwell  <nathan@acm.org>
870         * decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
871         (start_preparsed_function): Do decl pushing before setting
872         current_funciton_decl and announcing it.
874         * name-lookup.h (pushdecl_with_scope): Replace with ...
875         (pushdecl_outermost_localscope): ... this.
876         * name-lookup.c (pushdecl_with_scope): Replace with ...
877         (pushdecl_outermost_localscope): ... this.
878         (pushdecl_namespace_level): Adjust.
879         * decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
880         * lambda.c (insert_capture_proxy): Likewise.
882         * class.c (build_vtbl_initializer): Don't shadow outer variable
883         with static var.
885         Revert _binding -> _value change.
886         * name-lookup.h (get_namespace_value, set_global_value): Rename to ...
887         (get_namespace_binding, set_global_binding): ... these.
888         * name-lookup.c (get_namespace_value, set_global_value): Rename to ...
889         (get_namespace_binding, set_global_binding): ... these.
890         (arg_assoc_namespace, pushdecl_maybe_friend_1,
891         check_for_out_of_scope_variable, push_overloaded_decl_1,
892         lookup_name_innermost_nonclass_level, push_namespace): Adjust.
893         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
894         SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
895         * decl.c (poplevel): Adjust.
896         * pt.c (make_constrained_auto): Likewise.
898 2017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
900         PR translation/80280
901         * call.c (print_z_candidate): Fix quoting.
903 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
905         * error.c (pedwarn_cxx98): Replace report_diagnostic
906         with diagnostic_report_diagnostic.
908 2017-05-05  Nathan Sidwell  <nathan@acm.org>
910         * cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
911         (SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
912         (IDENTIFIER_NAMESPACE_VALUE): Delete.
913         * name-lookup.h (namespace_binding, set_namespace_binding): Replace
914         with ...
915         (get_namespace_value, set_global_value): ... these.
916         (get_global_value_if_present, is_typename_at_global_scope): Delete.
917         * decl.c (poplevel): Use get_namespace_value.
918         (grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
919         * class.c (build_vtbl_initializer): Stash library decl in
920         static var. Use IDENTIFIER_GLOBAL_VALUE.
921         * except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
922         do_allocate_exception, do_free_exception, build_throw): Likewise.
923         * init.c (throw_bad_array_new_length): Likewise.
924         * rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
925         * name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
926         check_for_our_of_scope_variable, push_overloaded_decl_1): Use
927         get_namespace_value.
928         (set_namespace_binding_1): Rename to
929         (set_namespace_binding): ... here.
930         (set_global_value): New.
931         (lookup_name_innermost_nonclass_level_1, push_namespace): Use
932         get_namespace_value.
933         * pt.c (listify): Use get_namespace_value.
935         * call.c (make_temporary_var_for_ref_to_temp): Push decl into
936         current scope.
937         * lex.c (unqualified_name_lookup_error): Likewise.
939         * class.c (alter_class): Use retrofit_lang_decl directly.
940         * decl.c (push_local_name, dupliate_decls): Likewise.
941         * semantics.c (omp_privatize_field): Likewise.
943         Kill walk_namespaces.
944         * cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
945         * decl.c (walk_namespaces_r, walk_namespaces): Delete.
947         Kill per-namespace static_decls.
948         * cp-tree.h (static_decls): Declare.
949         (wrapup_globals_for_namespace,
950         diagnose_inline_vars_for_namespace): Replace with ...
951         (wrapup_namespace_globals): ... this.
952         * decl.c (static_decls): Define.
953         (wrapup_globals_for_namespace,
954         diagnose_inline_vars_for_namespace): Replace with ...
955         (wrapup_namespace_globals): ... this.
956         (cxx_init_decl_processing): Initialize static_decls.
957         * decl2.c (c_parse_final_cleanups): Adjust.
958         * name-lookup.h (cp_binding_level): Remove static_decls member.
959         * name-lookup.c (add_decl_to_level): Adjust.
960         (begin_scope): Adjust.
962 2017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
964         PR c++/71577
965         * decl.c (reshape_init): Unconditionally return error_mark_node
966         upon error about too many initializers.
968 2017-05-04  Nathan Sidwell  <nathan@acm.org>
970         * constraint.cc (diagnose_check_constraint): Fix %E thinko.
972 2017-05-04  Martin Sebor  <msebor@redhat.com>
974         PR translation/80280
975         * call.c (print_z_candidate): Add missing quoting to %D and other
976         like directives.
977         (build_op_call_1): Same.
978         * constraint.cc (diagnose_check_constraint): Same.
979         * mangle.c (mangle_decl): Same.
980         * name-lookup.c (cp_binding_level_debug): Same.
981         (set_decl_namespace): Same.
982         * parser.c (cp_parser_tx_qualifier_opt): Same.
983         * pt.c (print_candidates_1): Same.
984         (check_template_variable): Same.
985         (tsubst_default_argument): Same.
986         (most_specialized_partial_spec): Same.
987         * semantics.c (omp_reduction_lookup): Same.
988         * tree.c (check_abi_tag_redeclaration): Same.
989         * typeck.c (comptypes): Same.
990         * typeck2.c (abstract_virtuals_error_sfinae): Same.
992 2017-05-04  Nathan Sidwell  <nathan@acm.org>
994         More global trees.
995         * cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
996         CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
997         CPTI_INIT_LIST_IDENTIFIER.
998         (global_namespace, global_type_node, global_identifier,
999         anon_identifier, init_list_identifier): New.
1000         * decl.c (global_type_node, global_scope_name): Delete.
1001         (initialize_predefined_identifiers): Add new identifiers.
1002         (cxx_init_decl_processing): Adjust.
1003         * name-lookup.h (global_namespace, global_type_node): Delete.
1004         * name-lookup.c (global_namespace, anonymous_namespace_name,
1005         get_anonymous_namespace_name): Delete.
1006         (namespace_scope_ht_size, begin_scope, pushtag_1,
1007         push_namespace): Adjust,
1008         * call.c (type_has_extended_temps): Use init_list_identifier.
1009         * pt.c (listify): Likewise.
1011         * name-lookup.c: Reorder functions to make merging from modules
1012         branch simpler.
1014 2017-05-03  Jason Merrill  <jason@redhat.com>
1016         * constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
1018 2017-05-03  Nathan Sidwell  <nathan@acm.org>
1020         * cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
1021         along with #defines, to before name-lookup include.
1023 2017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
1025         * pt.c (is_auto_or_concept): Remove.
1026         (type_uses_auto_or_concept): Remove, unused.
1027         (find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
1028         * parser.c (tree_type_is_auto_or_concept): Remove, unused.
1029         * cp-tree.h (is_auto_or_concept): Remove.
1031 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1033         PR c++/80038
1034         * cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
1035         add pedigree operation and detach call here.
1036         * cp-gimplify.c (cp_gimplify_expr): Remove the calls to
1037         cilk_cp_gimplify_call_params_in_spawned_fn.
1038         (cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
1039         * semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
1041 2017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
1043         * parser.c (cp_parser_member_declaration): Add fix-it hints for
1044         stray comma and missing semicolon at end of member declaration.
1046 2017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
1048         * parser.c (cp_parser_cast_expression): Add target type of cast to
1049         diagnostic.
1050         * error.c (type_to_string): Add '{enum}' suffix to enumeration types.
1052 2017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
1054         * decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
1055         return type to bool.
1056         * cp-tree.h (grok_ctor_properties): Update.
1058 2017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
1060         * parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
1061         information to diagnostic of invalid colon in nested-name-specifier.
1063 2017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
1065         * parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
1066         diagnostic of invalid class/struct keyword after enum.
1068 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1070         * parser.c (cp_parser_member_declaration): Add fix-it hint
1071         for removing stray semicolons.
1073 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1075         * name-lookup.c (get_std_name_hint): New function.
1076         (maybe_suggest_missing_header): New function.
1077         (suggest_alternative_in_explicit_scope): Call
1078         maybe_suggest_missing_header.
1080 2017-04-25  David Malcolm  <dmalcolm@redhat.com>
1082         PR c++/80177
1083         * name-lookup.c (suggest_alternative_in_explicit_scope): Convert
1084         candidate type of bm from tree to const char *.
1085         (consider_binding_level): Likewise.
1086         (lookup_name_fuzzy): Likewise, using this to merge the best
1087         result from the preprocessor into bm, rather than immediately
1088         returning, so that better matches from reserved words can "win".
1089         Guard the rejection of keywords that don't start decl-specifiers
1090         so it only happens for FUZZY_LOOKUP_TYPENAME.
1092 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1094         * decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
1095         (start_enum): Likewise.
1096         (build_enumerator): Likewise. Use %qE instead of plain %E.
1097         * parser.c (cp_parser_mem_initializer_list): Use %qD instead of
1098         %<%D%> in diagnostics.
1099         (cp_parser_elaborated_type_specifier): Likewise.
1100         * pt.c (make_pack_expansion): Use %qT and %qE instead of
1101         %<%T%> and %<%E%> in diagnostics.
1102         (tsubst_pack_expansion): Likewise.
1104 2017-04-24  David Malcolm  <dmalcolm@redhat.com>
1106         PR c++/80016
1107         * parser.c (cp_parser_unary_expression):  Generate a location
1108         range for alignof and sizeof expressions.
1110 2017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
1112         * parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
1113         error message.
1114         (cp_parser_virt_specifier_seq_opt): Likewise.
1115         (set_and_check_decl_spec_loc): Likewise twice.
1117 2017-04-21  Jason Merrill  <jason@redhat.com>
1119         PR c++/80179 - ICE with initialized flexible array member.
1120         * constexpr.c (verify_ctor_sanity): Handle flexible array members.
1122 2017-04-21  Richard Biener  <rguenther@suse.de>
1124         * cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
1125         (copy_type): Likewise.
1126         * lex.c (copy_decl): Pass down mem-stat info.
1127         (copy_type): Likewise.
1129 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
1131         PR c++/80473
1132         * init.c (build_new_1): Suppress notes about over-aligned new when
1133         the warning is suppressed.
1135 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
1137         * parser.c (cp_parser_member_declaration): Add warning with fixit
1138         information for extra semicolon after in-class function definition.
1140 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
1142         PR middle-end/80423
1143         * tree.c (build_cplus_array_type): Call build_array_type
1144         with the intended TYPE_TYPELESS_STORAGE flag value, instead
1145         of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
1146         on the shared type.
1148 2017-04-18  Marek Polacek  <polacek@redhat.com>
1150         PR c++/80244 - ICE with attribute in template alias.
1151         * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
1153         PR c++/80241 - ICE with alignas pack expansion.
1154         * error.c (dump_expr): Handle TREE_LIST.
1155         * parser.c (cp_parser_std_attribute_list): Return error_mark if
1156         make_pack_expansion returns an error.
1158 2017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1160         PR c++/80287
1161         * class.c (fixup_may_alias): Fix all type variants.
1163 2017-04-17  Jason Merrill  <jason@redhat.com>
1165         PR c++/80415 - wrong error with default arg and array reference.
1166         * tree.c (lvalue_kind): Return clk_class for an array prvalue.
1168         * pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
1170 2017-04-15  Alexandre Oliva <aoliva@redhat.com>
1172         * decl.c (name_unnamed_type): Split out of...
1173         (grokdeclarator): ... this.
1174         * decl.h (name_unnamed_type): Declare.
1176 2017-04-12  Richard Biener  <rguenther@suse.de>
1177         Bernd Edlinger  <bernd.edlinger@hotmail.de>
1179         PR middle-end/79671
1180         * tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
1181         for arrays of character or std::byte type.
1183 2017-04-11  Jason Merrill  <jason@redhat.com>
1185         PR c++/80294 - ICE with constexpr and inheritance.
1186         * constexpr.c (reduced_constant_expression_p):
1187         A null constructor element is non-constant.
1188         (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
1189         returning an empty base.
1191 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1193         PR c++/80370
1194         * decl.c (cp_finish_decomp): If processing_template_decl on
1195         non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
1196         change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
1197         sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
1198         processing.
1199         * pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
1200         with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
1201         dependent.
1203 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
1205         PR c++/80363
1206         * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
1208 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
1210         PR c++/80176
1211         * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
1212         operand, if it is a static member function, recurse on the
1213         BASELINK.
1215 2017-04-10  Marek Polacek  <polacek@redhat.com>
1217         PR sanitizer/80348
1218         * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
1219         ORIG_TYPE earlier and not only when shortening.
1221 2017-04-07  Jason Merrill  <jason@redhat.com>
1223         PR c++/80356 - ICE with reference to function template argument.
1224         PR c++/79294
1225         * pt.c (convert_nontype_argument_function): Adjust type even with a
1226         value-dependent argument.
1228         PR c++/80267 - ICE with nested capture of reference
1229         PR c++/60992
1230         * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
1232 2017-04-07  Marek Polacek  <polacek@redhat.com>
1234         PR sanitizer/80348
1235         * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
1237         PR c++/80095
1238         * call.c (build_over_call): Don't check cxx_dialect.
1239         * cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
1240         whether SUB is a CONSTRUCTOR.
1241         * init.c (build_new_1): Don't check cxx_dialect.
1242         * tree.c (replace_placeholders): Add a function comment.  Return if
1243         not in C++14, or if the object isn't a (member of a) class.
1244         * typeck2.c (store_init_value): Don't check cxx_dialect nor whether
1245         TYPE is CLASS_TYPE_P.
1247 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
1249         PR c++/80309
1250         * pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
1251         of a loop doing vec_safe_push of NULL.  Formatting fixes.
1252         (rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
1253         to newidx before calling canonical_type_parameter on newtype.
1255 2017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
1257         PR c++/80296
1258         * cxx-pretty-print.c (cxx_pretty_printer::expression): Add
1259         UNARY_PLUS_EXPR case.
1261 2017-04-03  Jason Merrill  <jason@redhat.com>
1263         * semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
1265 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
1267         * class.c (update_vtable_entry_for_fn): Fix typo in comment.
1268         * decl2.c (one_static_initialization_or_destruction): Likewise.
1269         * name-lookup.c (store_bindings): Likewise.
1270         * parser.c (make_call_declarator): Likewise.
1271         * pt.c (check_explicit_specialization): Likewise.
1273 2017-04-03  Jason Merrill  <jason@redhat.com>
1275         PR sanitizer/79993 - ICE with VLA initialization from string
1276         PR c++/69487 - wrong VLA initialization from string
1277         * init.c (finish_length_check): Split out from build_vec_init.
1278         (build_vec_init): Handle STRING_CST.
1279         * typeck2.c (split_nonconstant_init): Handle STRING_CST.
1280         (digest_init_r): Don't give a STRING_CST VLA type.
1282 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
1284         PR c++/79572
1285         * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
1286         REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
1287         for NOP_EXPR to REFERENCE_TYPE.
1289         PR libstdc++/80251
1290         * cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
1291         * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
1292         CPTK_IS_AGGREGATE.
1293         * semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
1294         Remove extraneous parens.
1295         (finish_trait_expr): Handle CPTK_IS_AGGREGATE.
1296         * parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
1297         (cp_parser_trait_expr): Likewise.
1299 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
1301         PR middle-end/80162
1302         * cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
1303         * typeck.c (cxx_mark_addressable): Likewise.  Look through
1304         VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
1305         to ARRAY_TYPE.
1306         (cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
1308 2017-03-24  Jason Merrill  <jason@redhat.com>
1310         PR c++/77339 - ICE with invalid use of alias template.
1311         * pt.c (lookup_template_class_1): Don't try to enter the scope of an
1312         alias template.
1314 2017-03-24  Marek Polacek  <polacek@redhat.com>
1316         PR c++/80119
1317         * cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
1318         doesn't have side effects.
1320 2017-03-23  Jason Merrill  <jason@redhat.com>
1322         PR c++/80150 - ICE with overloaded variadic deduction.
1323         * pt.c (try_one_overload): Remove asserts.
1325         PR c++/77563 - missing ambiguous conversion error.
1326         * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
1328 2017-03-23  Marek Polacek  <polacek@redhat.com>
1330         * cp-tree.h: Remove a C_RID_YYCODE reference.
1332 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
1334         PR c++/80141
1335         * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
1336         case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
1337         processing_template_decl.
1339 2017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1341         PR c++/77752
1342         * name-lookup.c (pushtag_1): Add check for bogus, non template,
1343         std::initializer_list.
1345 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
1347         PR c++/35878
1348         * init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
1350 2017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1352         PR c++/35878
1353         * init.c (std_placement_new_fn_p): New.
1354         (build_new_1): Call it.
1356 2017-03-20  Jason Merrill  <jason@redhat.com>
1358         PR c++/80096 - ICE with C++17 non-type auto.
1359         * pt.c (tsubst): Delay tsubst of type of template non-type
1360         parameter.
1362         PR c++/79519 - ICE with deleted template friend.
1363         * decl.c (grokdeclarator): Complain about misplaced function
1364         definition using =, as well.
1366         PR c++/79640 - infinite recursion with generic lambda.
1367         * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
1368         before substituting its initializer.
1370 2017-03-20  Marek Polacek  <polacek@redhat.com>
1371             Paolo Carlini  <paolo.carlini@oracle.com>
1373         PR c++/80059 - ICE with noexcept and __transaction_atomic
1374         * except.c (build_must_not_throw_expr): Call
1375         instantiate_non_dependent_expr.
1377 2017-03-19  Jason Merrill  <jason@redhat.com>
1379         PR c++/80084 - wrong C++17 decomposition by reference of parameter.
1380         * decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
1381         reference decomposition.
1383         PR c++/80077 - error with constexpr and -fno-elide-constructors.
1384         * constexpr.c (cxx_eval_call_expression): Set ctx->call while
1385         expanding trivial constructor.
1387 2017-03-17  Jason Merrill  <jason@redhat.com>
1389         PR c++/78345 - ICE initializing array from lambda.
1390         * init.c (build_aggr_init): Check array initializer.
1391         (build_vec_init): Check the type of a CONSTRUCTOR.
1393         PR c++/80073 - C++17 ICE with virtual base.
1394         * decl.c (xref_basetypes): Also check for indirect vbases.
1396 2017-03-16  Jason Merrill  <jason@redhat.com>
1398         * decl.c (start_enum): std::byte aliases anything.
1400         PR c++/79797
1401         * constexpr.c (lookup_placeholder): Tweak.
1403 2017-03-15  Jason Merrill  <jason@redhat.com>
1405         PR c++/80043 - ICE with -fpermissive
1406         * typeck.c (convert_for_assignment): Handle instantiate_type
1407         not giving an error.
1409 2017-03-14  Nathan Sidwell  <nathan@acm.org>
1411         PR c++/79393 DR 1658 workaround
1412         * method.c (synthesized_method_base_walk): Inihibit abstract class
1413         virtual base access check here.
1414         (synthesized_method_walk): Not here.
1416 2017-03-13  Nathan Sidwell  <nathan@acm.org>
1418         PR c++/79393 DR 1658 workaround
1419         * method.c (synthesized_method_walk): Check vbases of abstract
1420         classes for dtor walk.
1422 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
1424         PR translation/79848
1425         * decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
1427 2017-03-10  Jason Merrill  <jason@redhat.com>
1429         PR c++/79960 - alias templates and partial ordering
1430         * pt.c (comp_template_args): Add partial_order parm.
1431         (template_args_equal): Likewise.
1432         (comp_template_args_porder): New.
1433         (get_partial_spec_bindings): Use it.
1435 2017-03-10  Marek Polacek  <polacek@redhat.com>
1437         PR c++/79967
1438         * decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
1440 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
1442         PR c++/79899
1443         * optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
1444         Use XALLOCAVEC macro.
1446         PR c++/79896
1447         * decl.c (finish_enum_value_list): If value is error_mark_node,
1448         don't copy it and change its type.
1449         * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
1450         of CONST_DECL is error_mark_node.
1452 2017-03-09  Marek Polacek  <polacek@redhat.com>
1454         PR c++/79900 - ICE in strip_typedefs
1455         * tree.c (strip_typedefs): Skip the attribute handling if T is
1456         a variant type which hasn't been updated yet.
1458         PR c++/79687 - wrong code with pointer-to-member
1459         * init.c (constant_value_1): Break if the variable has a dynamic
1460         initializer.
1462 2017-03-08  Jason Merrill  <jason@redhat.com>
1464         PR c++/79797 - ICE with self-reference in array DMI.
1465         * constexpr.c (lookup_placeholder): Split out...
1466         (cxx_eval_constant_expression): ...from here.
1468 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
1470         PR c/79834
1471         * parser.c (cp_parser_omp_cancellation_point,
1472         cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
1473         cp_parser_omp_target_update): Change "may only be used in compound
1474         statements" diagnostics, such that the same translatable string is
1475         used for all pragmas.
1476         (cp_parser_pragma): Likewise.  Use error_at instead of
1477         cp_parser_error for that diagnostics.
1479 2017-03-06  Marek Polacek  <polacek@redhat.com>
1481         PR c++/79796 - ICE with NSDMI and this pointer
1482         * call.c (build_over_call): Handle NSDMI with a 'this' by calling
1483         replace_placeholders.
1485 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
1487         PR c++/79822
1488         * constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
1489         ({ (void) 0; }).
1491 2017-03-06  Jason Merrill  <jason@redhat.com>
1493         Revert "Allow deduction guides to look into primary template."
1494         * cp-tree.h, parser.c, pt.c, search.c: Revert.
1496 2017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1498         PR c++/70266
1499         * except.c (build_must_not_throw_expr): Perform the implicit
1500         conversions on the condition.
1502 2017-03-03  Jason Merrill  <jason@redhat.com>
1504         * mangle.c (mangle_decl): Check -Wnoexcept-type instead of
1505         -Wc++1z-compat.
1507         Core issues 2273 and 2277
1508         * call.c (joust): Adjust using-declaration tiebreaker to handle
1509         the intermediate base case.
1510         * method.c (strip_inheriting_ctors): Just return the argument if
1511         !flag_new_inheriting_ctors.
1513 2017-03-03  Richard Biener  <rguenther@suse.de>
1515         PR c++/79825
1516         * cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
1518 2017-03-03  Marek Polacek  <polacek@redhat.com>
1520         PR c++/79791
1521         * typeck.c (string_conv_p): In C++11, always call pedwarn with
1522         OPT_Wwrite_strings.
1524 2017-03-02  Jason Merrill  <jason@redhat.com>
1526         Update overload resolution with deduction guides.
1527         * pt.c (do_class_deduction): Always build the copy guide.
1528         (copy_guide_p, template_guide_p): New.
1529         (build_deduction_guide): Remember the original constructor.
1530         * call.c (joust): Prefer the copy guide and non-template guides.
1532         Allow deduction guides to look into primary template.
1533         * cp-tree.h (struct saved_scope): Add deduction_guide_type.
1534         (struct cp_decl_specifier_seq): Add constructor_p.
1535         * parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
1536         (cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
1537         Clear deduction_guide_type.  Don't handle deduction guide names.
1538         (cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
1539         (cp_parser_direct_declarator): Likewise.  Handle deduction guides.
1540         (cp_parser_member_declaration, cp_parser_cache_defarg)
1541         (cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
1542         * pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
1543         (build_deduction_guide): Set deduction_guide_type.
1544         (dependent_scope_p): Check deduction_guide_type.
1545         * search.c (lookup_member): Likewise.
1547 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
1549         PR c++/79782
1550         * init.c (mark_exp_read_r): New function.
1551         (emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
1552         whole arguments instead of plain mark_exp_read on TREE_LIST values.
1554 2017-03-01  Jason Merrill  <jason@redhat.com>
1556         Class template argument deduction in new-expression
1557         * init.c (build_new): Handle deduction from no initializer.
1558         * parser.c (cp_parser_new_expression): Don't require a single
1559         expression for class template deduction.
1560         * typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
1561         class template placeholder.
1562         * pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
1563         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
1564         (redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
1566 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
1568         PR c++/79746
1569         * init.c (emit_mem_initializers): When not constructing vbases of
1570         abstract classes, mark arguments as read for
1571         -Wunused-but-set-parameter.
1573 2017-02-28  Jason Merrill  <jason@redhat.com>
1575         Class template argument deduction refinements
1576         * call.c (joust): Move deduction guide tiebreaker down.
1577         * decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
1578         deduction with no initializer.
1579         * pt.c (build_deduction_guide): Handle implicit default/copy ctor.
1580         (do_class_deduction): Use that rather than special case.
1581         (do_auto_deduction): Handle null initializer.
1583 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
1585         * decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
1586         instead of just cond ? "..." : "...".
1587         (grokdeclarator): Likewise.
1588         (build_enumerator): Likewise.
1589         * init.c (build_new_1): Likewise.
1590         * call.c (build_new_method_call_1): Likewise.
1591         * parser.c: Include intl.h.
1592         (cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
1593         "enter"/"exit" keyword.
1594         (cp_finalize_oacc_routine): Don't use %s to supply portions of the
1595         message.
1597 2017-02-27  Jason Merrill  <jason@redhat.com>
1599         PR c++/71568 - SFINAE forming pointer to member function
1600         * init.c (build_offset_ref): Check the return value of
1601         perform_or_defer_access_check.
1603 2017-02-27  Marek Polacek  <polacek@redhat.com>
1605         * decl.c (expand_static_init): Add missing } in a comment.
1607 2017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
1609         * init.c: Include intl.h.
1610         (build_new_1): Move message strings into pedwarn to make them
1611         -Wformat-security friendly. Mark string for translation.
1612         * pt.c (tsubst_copy_and_build): Mark string for translation.
1613         Make the pointer const.
1614         * semantics.c (finish_id_expression): Mark strings for translation.
1616 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
1618         * call.c (build_op_delete_call): Make msg1 and msg2 const.
1620 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
1622         PR c++/79588
1623         * call.c (build_over_call): Call check_function_arguments even for
1624         -Wrestrict, adjust check_function_arguments caller.
1625         * parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
1626         here.
1627         * typeck.c (cp_build_function_call_vec): Adjust
1628         check_function_arguments caller.
1630 2017-02-24  Marek Polacek  <polacek@redhat.com>
1632         PR translation/79705
1633         * decl.c (check_redeclaration_exception_specification): Mark a string
1634         for translation.  Make the pointer const.
1636 2017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
1638         PR c++/79361
1639         * pt.c (register_specialization): Check duplicate_decls return value
1640         for error_mark_node and pass it back.
1642 2017-02-22  Jason Merrill  <jason@redhat.com>
1644         PR c++/79679 - missing destructor for argument
1645         * call.c (build_over_call): Don't pass tf_no_cleanup to argument
1646         conversions.
1648         * pt.c (do_class_deduction): Handle 0 argument case.
1650 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
1652         PR c++/79664
1653         * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
1654         SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
1655         * constexpr.c (potential_constant_expression_1): Handle
1656         OMP_*, OACC_* and CILK_* trees.  Use error_at with
1657         EXPR_LOC_OR_LOC (t, input_location) computed early
1658         instead of error, or error_at with location_of (t).
1660 2017-02-22  Marek Polacek  <polacek@redhat.com>
1662         PR c++/79653
1663         * parser.c (cp_parser_std_attribute_spec): Don't build the attribute
1664         if the alignas expression is erroneous.
1665         * pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
1666         error_mark_node.
1668         PR c++/79657
1669         * semantics.c (finish_underlying_type): Bail out for incomplete enums.
1671 2017-02-21  Jason Merrill  <jason@redhat.com>
1673         PR c++/50308 - wrong deprecated warning with ADL
1674         PR c++/17729 - duplicate deprecated warning
1675         * semantics.c (finish_id_expression): Only call mark_used on a
1676         function if we aren't building a call.
1678         PR c++/41727 - ICE with partial spec of partial instantiation
1679         * pt.c (process_partial_specialization): For now, don't check more
1680         specialized if there is more than one level of args.
1682 2017-02-21  Marek Polacek  <polacek@redhat.com>
1684         PR c++/79535
1685         * cp-tree.h (maybe_reject_flexarray_init): Declare.
1686         * init.c (maybe_reject_flexarray_init): No longer static.
1687         Add check for current_function_decl.
1688         * parser.c (cp_parser_late_parse_one_default_arg): Reject
1689         a default mem-initializer for a flexible array.
1691 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1692             Paolo Carlini  <paolo.carlini@oracle.com>
1694         PR c++/79654
1695         * decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
1696         on error.
1697         * pt.c (tsubst_decomp_names): Return error_mark_node if the first
1698         decl after the decomposition artificial decl has error_mark_node.
1699         * decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
1700         instead of just == error_mark_node comparison.
1702 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
1704         PR sanitizer/79589
1705         * decl.c: Include gimplify.h.
1706         (cp_finish_decomp): Make sure there is no sharing of trees
1707         in between DECL_VALUE_EXPR of decomposition decls.
1709         PR c++/79655
1710         * constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
1712         PR c++/79639
1713         * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
1714         call cplus_expand_constant on it first.
1716 2017-02-19  Jason Merrill  <jason@redhat.com>
1718         PR c++/78139 - destructor needed by new-expression
1719         * call.c (build_special_member_call): Use tf_no_cleanup.
1721         PR c++/78282 - auto template and pack expansion
1722         * pt.c (find_parameter_packs_r): Don't walk into the type of
1723         templates other than template template-parameters.
1725         PR c++/79606 - ICE with this->base_member in NSDMI
1726         * class.c (build_base_path): Check processing_template_decl.
1728         PR c++/79607 - ICE with T{} initializer
1729         * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
1731         PR c++/79566 - elaborated-type-specifier in range for
1732         * parser.c (cp_parser_simple_declaration): Fix check for type
1733         definition.
1735         PR c++/79400 - confusing suggestion of 'noexcept'
1736         * parser.c (cp_parser_exception_specification_opt): Remove
1737         suggestion for deprecated dynamic exception-specification.
1739         PR c++/79470 - partial ordering with reference parameters
1740         * pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
1742         PR c++/79500 - ICE with non-template deduction guide
1743         * pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
1744         DECL_TEMPLATE_RESULT.
1746         PR c++/79580 - ICE with compound literal
1747         * parser.c (cp_parser_class_head): If we're in the middle of an
1748         expression, use ts_within_enclosing_non_class.
1750         PR c++/79503 - inherited ctor taking base class
1751         * call.c (add_function_candidate): Also check that
1752         DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
1754 2017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1756         PR c++/79380
1757         * typeck.c (cxx_alignas_expr): Reject a non-integral alignas
1758         argument.
1760 2017-02-19  Eric Fiselier  <eric@efcs.ca>
1761             Jonathan Wakely  <jwakely@redhat.com>
1763         PR c++/69523
1764         * parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
1765         control warning about literal suffix identifiers without a leading
1766         underscore.
1768 2017-02-17  Jason Merrill  <jason@redhat.com>
1770         PR c++/79508 - lookup error with member template
1771         * parser.c (cp_parser_template_name): Clear
1772         parser->context->object_type if we aren't doing lookup.
1774         PR c++/78690 - ICE with using and global type with same name
1775         * pt.c (type_dependent_object_expression_p): True for
1776         IDENTIFIER_NODE.
1778         PR c++/79549 - C++17 ICE with non-type auto template parameter pack
1779         * pt.c (convert_template_argument): Just return an auto arg pack.
1780         (tsubst_template_args): Don't tsubst an auto pack type.
1782         PR c++/79556 - C++17 ICE with non-type auto
1783         * pt.c (do_auto_deduction): Don't try to deduce from null type.
1785         PR c++/79533 - C++17 ICE with temporary cast to reference
1786         * call.c (build_over_call): Conversion to a reference prevents copy
1787         elision.
1789 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
1790             Jason Merrill  <jason@redhat.com>
1792         PR c++/79502 - lost nodiscard attribute
1793         * pt.c (apply_late_template_attributes): Do apply non-dependent
1794         attributes to types.
1796 2017-02-16  Jason Merrill  <jason@redhat.com>
1798         PR c++/78572 - ICE with self-modifying array initializer
1799         * constexpr.c (cxx_eval_store_expression): The object we're
1800         initializing is outside the constant-expression.
1801         (cxx_eval_call_expression): Set ctx->call.
1803         PR c++/79050 - ICE with undeduced auto and LTO
1804         * decl.c (poplevel): Remove undeduced auto decls.
1806 2017-02-16  Jakub Jelinek  <jakub@redhat.com>
1808         PR c++/79512
1809         * parser.c (cp_parser_omp_target): For -fopenmp-simd
1810         ignore #pragma omp target even when not followed by identifier.
1812 2017-02-15  Jason Merrill  <jason@redhat.com>
1813             Jakub Jelinek  <jakub@redhat.com>
1815         PR c++/79464 - ICE in IPA with omitted constructor parms
1816         * class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
1817         (adjust_clone_args): Adjust.
1818         (add_method): Remember omitted parms.
1819         * call.c (add_function_candidate): Likewise.
1820         * mangle.c (write_method_parms): Likewise.
1821         * method.c (ctor_omit_inherited_parms): Return false if there are no
1822         parms to omit.
1824 2017-02-15  Martin Sebor  <msebor@redhat.com>
1826         PR c++/79363
1827         * init.c (maybe_reject_flexarray_init): New function.
1828         (perform_member_init): Call it.
1830 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
1832         PR c++/79301
1833         * parser.c (cp_parser_std_attribute): Don't pedwarn about
1834         [[deprecated]] with -std=c++11 and [[fallthrough]] with
1835         -std=c++11 and -std=c++14.
1837         PR c++/79288
1838         * decl.c (grokdeclarator): For static data members, handle thread_p
1839         only after handling inline.
1841 2017-02-14  Marek Polacek  <polacek@redhat.com>
1843         PR c++/79420
1844         PR c++/79463
1845         * parser.c (cp_parser_postfix_dot_deref_expression): Avoid
1846         clobbering if the postfix expression isn't an EXPR_P.
1848 2017-02-13  Jason Merrill  <jason@redhat.com>
1850         PR c++/79461 - ICE with lambda in constexpr constructor
1851         * constexpr.c (build_data_member_initialization): Ignore
1852         initialization of a local variable.
1854 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
1856         * init.c (warn_placement_new_too_small): Add missing space in
1857         diagnostics.
1858         * parser.c (cp_parser_oacc_declare): Likewise.
1859         * mangle.c (maybe_check_abi_tags): Likewise.
1861         PR c++/79232
1862         * typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
1863         on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
1864         in the rightmost operand.
1866 2017-02-13  Nathan Sidwell  <nathan@acm.org>
1868         PR c++/79296 - ICE mangling localized template instantiation
1869         * decl2.c (determine_visibility): Use template fn context for
1870         local class instantiations.
1872 2017-02-11  Jason Merrill  <jason@redhat.com>
1874         PR c++/77659 - ICE with new and C++14 aggregate NSDMI
1875         * init.c (build_new): Make backups of any CONSTRUCTORs in init.
1876         (build_new_1): Use replace_placeholders.
1877         * tree.c (replace_placeholders_t): Also track whether we've seen a
1878         placeholder.
1879         (replace_placeholders, replace_placeholders_r): Adjust.
1880         * cp-tree.h: Adjust.
1882         PR c++/77790 - ICE with auto function in C++11 mode
1883         * decl.c (undeduced_auto_decl): Remove C++14 limitation.
1884         (require_deduced_type): Add complain parm, return bool.
1885         * cp-tree.h: Adjust.
1886         * decl2.c (mark_used): Use require_deduced_type.
1888 2017-02-10  Jason Merrill  <jason@redhat.com>
1890         PR c++/78908 - template ops and bitfields
1891         * tree.c (build_min_non_dep): Use unlowered_expr_type.
1893         PR c++/78897 - constexpr union
1894         * constexpr.c (cxx_eval_store_expression): A store to a union member
1895         erases a previous store to another member.
1897         PR c++/71285 - member of fold-expression
1898         * semantics.c (finish_unary_fold_expr)
1899         (finish_binary_fold_expr): Use null type for fold-expressions.
1901         PR c++/79401 - protected inherited constructor
1902         * call.c (enforce_access): For inheriting constructor, find a base
1903         binfo in the path we already have.
1905 2017-02-10  Marek Polacek  <polacek@redhat.com>
1907         PR c++/79435
1908         * pt.c (type_dependent_expression_p): Check if the expression type
1909         is null.
1911         PR c++/79184
1912         * cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
1913         if warnings shouldn't be given.
1915 2017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
1917         PR c++/71737
1918         * pt.c (tsubst_decl): Don't try to preserve a typedef that names
1919         an error_mark_node as type.
1921 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
1922             Jason Merrill  <jason@redhat.com>
1924         PR c++/79143
1925         * pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
1926         from pattern to type.
1928 2017-02-09  Jason Merrill  <jason@redhat.com>
1930         PR c++/79316 - default argument in deduction guide
1931         PR c++/79350 - explicit deduction guide
1932         * parser.c (cp_parser_constructor_declarator_p)
1933         (cp_parser_direct_declarator): Parse deduction guides more like
1934         constructors.
1935         * cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
1936         * tree.c (special_function_p): Return it.
1937         * decl.c (check_special_function_return_type): Handle it.
1938         (grokdeclarator, grokfndecl): Adjust.
1939         (cp_finish_decl): Pass flags to do_auto_deduction.
1940         * error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
1941         * pt.c (dguide_name_p): Take a const_tree.
1942         (do_class_deduction): Handle explicit.
1943         (do_auto_deduction): Pass flags through.
1944         (build_deduction_guide): Copy explicit flag.
1946 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
1948         PR c++/79429
1949         * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
1950         non-pragma_compound context here.
1951         (cp_parser_omp_target): Likewise.
1952         (cp_parser_pragma): Don't call push_omp_privatization_clauses and
1953         parsing for ordered and target omp pragmas in non-pragma_stmt
1954         non-pragma_compound contexts.
1956         PR c/79431
1957         * parser.c (cp_parser_oacc_declare): Formatting fix.
1958         (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
1959         automatic variables.
1961 2016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
1962             Chung-Lin Tang  <cltang@codesourcery.com>
1964         * parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
1965         parsing.  Parse constant expression. Remove semantic checking.
1966         (cp_parser_omp_clause_collapse): Disallow tile.
1967         (cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
1968         error about missing for after already emitting one.  Use more
1969         conventional for idiom for unbounded loop.
1970         * pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
1971         * semantics.c (finish_omp_clauses): Correct TILE semantic check.
1972         (finish_omp_for): Deal with tile clause.
1974 2017-02-07  Nathan Sidwell  <nathan@acm.org>
1976         * method.c (synthesized_method_base_walk): New.  Broken out of ...
1977         (synthesized_method_walk): ... here.  Call it.  Cleanup
1978         initializations.
1980 2017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
1982         PR c++/79360
1983         * typeck2.c (process_init_constructor_union): Consider only
1984         FIELD_DECLs when looking for an NSDMI.
1986 2017-02-06  Jason Merrill  <jason@redhat.com>
1988         PR c++/71193 - incomplete types in templates
1989         * parser.c (cp_parser_postfix_dot_deref_expression): In a template
1990         handle incomplete type by pedwarning and then treating as dependent.
1992 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
1994         PR c++/79379
1995         * constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
1996         (potential_constant_expression_1): Likewise.
1998         PR c++/79377
1999         * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
2000         allow one fewer than expected arguments if flag_permissive.
2002         PR c++/79372
2003         * decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
2004         * pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
2005         with error_mark_node type.
2007 2017-02-03  Jason Merrill  <jason@redhat.com>
2009         PR c++/78689 - ICE on constructor with label
2010         * optimize.c (maybe_clone_body): Replace omitted parameters with
2011         null lvalues.
2012         * class.c (build_clone): Fix logic for omitting inherited parms.
2014         PR c++/12245 - excessive memory use
2015         * constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
2016         back in.  Don't cache constants.
2017         (maybe_constant_init): Don't cache constants.
2019         PR c++/79294 - ICE with invalid template argument
2020         * pt.c (convert_nontype_argument_function): Check value-dependence.
2021         (convert_nontype_argument): Don't check it here for function ptrs.
2023 2017-02-02  Richard Biener  <rguenther@suse.de>
2025         PR cp/14179
2026         * cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
2027         it lazily on the first changed element only and copy it
2028         fully upfront, only storing changed elements.
2030 2017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2032         PR c++/69637
2033         * decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
2034         to the width.
2036 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
2038         PR c++/79304
2039         * error.c (dump_expr) <case COMPONENT_REF>: Don't print .
2040         after ARROW_EXPR.
2042 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
2044         PR c++/79298
2045         * name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
2046         any namespace aliases.
2048 2017-01-31  Nathan Sidwell  <nathan@acm.org>
2050         PR c++/79290
2051         * typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
2053         PR c++/67273
2054         PR c++/79253
2055         * pt.c: (instantiate_decl): Push to top level when current
2056         function scope doesn't match.  Only push lmabda scope stack when
2057         pushing to top.
2059         * cp-tree.h (instantiate_decl): Make defer_ok bool.
2060         * pt.c: Fix instantiate_decl calls to pass true/false not 0/1
2061         (instantiate_decl): Simplify and reorder state saving and restoration.
2063         PR c++/79264
2064         * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
2065         * semantics.c (finish_member_declaration): Assert class is being
2066         defined.
2068 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
2070         Introduce C++ support in libcc1.
2071         * cp-tree.h (struct lang_identifier): Add oracle_looked_up.
2072         (ansi_opname): Rename to...
2073         (cp_operator_id): ... this.  Adjust all callers.
2074         (ansi_assopname): Rename to...
2075         (cp_assignment_operator_id): ... this.  Adjust all callers.
2076         (cp_literal_operator_id): Declare.
2077         (set_global_friend): Declare.
2078         (is_global_friend): Declare.
2079         (enum cp_oracle_request): New type.
2080         (cp_binding_oracle_function): New type.
2081         (cp_binding_oracle): Declare.
2082         (cp_finish_injected_record_type): Declare.
2083         * friend.c (global_friend): New var.
2084         (set_global_friend): New fn.
2085         (is_global_friend): New fn.
2086         (is_friend): Call is_global_friend.
2087         * name-lookup.c (cp_binding_oracle): New var.
2088         (query_oracle): New fn.
2089         (qualified_lookup_using_namespace): Call query_oracle.
2090         (lookup_name_real_1): Likewise.
2091         * parser.c (cp_literal_operator_id): Drop static.
2092         * search.c (friend_accessible_p): Call is_global_friend.
2093         * semantics.c (is_this_parameter): Accept a variable if the
2094         binding oracle is enabled.
2096 2017-01-27  Jason Merrill  <jason@redhat.com>
2098         PR c++/78771 - ICE with inherited constructor.
2099         * call.c (build_over_call): Call deduce_inheriting_ctor here.
2100         * pt.c (tsubst_decl): Not here.
2101         * class.c (add_method): Or here.
2102         * method.c (deduce_inheriting_ctor): Handle clones.
2103         (implicitly_declare_fn): Don't deduce inheriting ctors yet.
2105 2017-01-27  Adam Butcher  <adam@jessamine.co.uk>
2107         PR c++/64382
2108         * cp/parser.c (parsing_default_capturing_generic_lambda_in_template):
2109         New function.
2110         * cp/cp-tree.h: Declare it.
2111         * cp/semantics.c (finish_id_expression): Resolve names within a default
2112         capturing generic lambda defined within a template prior to
2113         instantiation to allow for captures to be added to the closure type.
2115 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
2117         PR c++/68727
2118         * cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
2119         * cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
2120         * parser.c (cp_parser_builtin_offsetof): Pass result of
2121         build_static_cast of null_pointer_node to finish_offsetof.
2122         * semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
2123         it for -Winvalid-offsetof pedwarn instead of trying to guess
2124         original offsetof type from EXPR.  Save OBJECT_PTR as a new
2125         second operand to OFFSETOF_EXPR.
2126         * pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
2127         finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
2128         as OBJECT_PTR.
2130 2017-01-26  Jason Merrill  <jason@redhat.com>
2132         * name-lookup.c (parse_using_directive): Deprecate strong using.
2134         PR c++/79176 - lambda ICE with -flto -Os
2135         * decl2.c (vague_linkage_p): Handle decloned 'tors.
2136         * tree.c (decl_linkage): Likewise.
2138 2017-01-25  Martin Sebor  <msebor@redhat.com>
2140         * decl.c (grokdeclarator): Fix a typo in a comment.
2142 2017-01-25  Jakub Jelinek  <jakub@redhat.com>
2144         PR c++/78896
2145         * decl.c (cp_finish_decomp): Disallow memberwise decomposition of
2146         lambda expressions.
2148         PR c++/77914
2149         * parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
2150         OPT_Wpedantic on lambda templates for -std=c++14 and higher.
2152 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
2154         PR lto/79061
2155         * decl.c (cxx_init_decl_processing): Pass main_input_filename
2156         to build_translation_unit_decl.
2158 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
2160         PR c++/79205
2161         * cp-gimplify.c (cp_genericize_r): Add result of
2162         convert_from_reference on invisiref parm to p_set.
2164 2017-01-24  Nathan Sidwell  <nathan@acm.org>
2166         PR c++/78469 - defaulted ctor and inaccessible dtor
2167         * cp-tree.h (tsubst_flags): Add tf_no_cleanup.
2168         * init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
2169         * tree.c (build_target_expr): Check tf_no_cleanup.
2171         PR c++/79118 - anon-members and constexpr
2172         * constexpr.c (cx_check_missing_mem_inits): Caller passes type not
2173         ctor decl.  Recursively check anonymous members.
2174         (register_constexpr_fundef): Adjust cx_check_missing_mem_inits
2175         call.
2176         (explain_invalid_constexpr_fn): Likewise.
2178 2017-01-23  Nathan Sidwell  <nathan@acm.org>
2180         PR c++/71710 - template using directive of field
2181         * pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
2182         check earlier.
2184         PR c++/71406 - ICE with scope-ref'd template id exprs
2185         PR c++/77508
2186         * typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
2187         before breaking up TEMPLATE_ID_EXPR.
2189 2017-01-20  Nathan Sidwell  <nathan@acm.org>
2191         PR c++/78495 - wrong code inherited ctor and invisi-ref parm
2192         * cp-gimplify.c (cp_generize_r): Don't skip thunks.
2194 2017-01-20  David Malcolm  <dmalcolm@redhat.com>
2196         PR c++/77829
2197         PR c++/78656
2198         * cp-tree.h (suggest_alternatives_for): Add bool param.
2199         (suggest_alternative_in_explicit_scope): New decl.
2200         * error.c (qualified_name_lookup_error): When SCOPE is a namespace
2201         that isn't the global one, call new function
2202         suggest_alternative_in_explicit_scope, only calling
2203         suggest_alternatives_for if it fails, and disabling near match
2204         searches fort that case.  When SCOPE is the global namespace,
2205         pass true for new param to suggest_alternatives_for to allow for
2206         fuzzy name lookups.
2207         * lex.c (unqualified_name_lookup_error): Pass true for new param
2208         to suggest_alternatives_for.
2209         * name-lookup.c (consider_binding_level): Add forward decl.
2210         (suggest_alternatives_for): Add "suggest_misspellings" param,
2211         using it to conditionalize the fuzzy name-lookup code.
2212         (suggest_alternative_in_explicit_scope): New function.
2213         * parser.c (cp_parser_primary_expression): When calling
2214         finish_id_expression, pass location of id_expression rather
2215         than that of id_expr_token.
2216         (cp_parser_id_expression): Convert local "unqualified_id" from
2217         tree to cp_expr to avoid implicitly dropping location information.
2219 2017-01-20  Marek Polacek  <polacek@redhat.com>
2221         PR c/64279
2222         * call.c (build_conditional_expr_1): Warn about duplicated branches.
2223         * semantics.c (finish_expr_stmt): Build statement using the proper
2224         location.
2226 2017-01-19  Jason Merrill  <jason@redhat.com>
2228         US 20 - forwarding references and class template argument deduction
2229         * cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
2230         * pt.c (push_template_decl_real): Set it.
2231         (maybe_adjust_types_for_deduction): Check it.
2232         (rewrite_template_parm): Copy it.
2234         US 19 - deduction guides and constructors
2235         * call.c (joust): Prefer deduction guides to constructors.
2236         * pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
2237         (deduction_guide_p): Check DECL_P.
2239         * decl.c (check_initializer): Always use build_aggr_init for array
2240         decomposition.
2242         PR c++/79130 - decomposition and direct-initialization
2243         * init.c (build_aggr_init): Communicate direct-initialization to
2244         build_vec_init.
2245         (build_vec_init): Check for array copy sooner.
2246         * parser.c (cp_parser_decomposition_declaration): Remove call to
2247         build_x_compound_expr_from_list.
2249 2017-01-18  Jason Merrill  <jason@redhat.com>
2251         PR c++/68666 - member variable template-id
2252         * typeck.c (finish_class_member_access_expr): Handle variable
2253         template-id.
2254         * pt.c (lookup_and_finish_template_variable): No longer static.
2255         * cp-tree.h: Declare it.
2257 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2259         PR c++/78488
2260         * call.c (build_over_call): When checking ellipsis conversions for
2261         an inherited ctor, make sure there is at least one conversion.
2263 2017-01-18  Jason Merrill  <jason@redhat.com>
2265         PR c++/78894 - ICE with class deduction and default arg
2266         * pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
2268 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2270         PR c++/77489
2271         * mangle.c (write_discriminator): Reorganize abi warning check.
2273 2017-01-18  Nathan Sidwell  <nathan@acm.org>
2275         * cp-tree.h: Clarify exception spec node comment.
2276         * except.c (nothrow_spec_p): Simplify by checking node-equality.
2278         PR c++/79091
2279         * mangle.c (write_exception_spec): Check nothrow explicitly.
2280         (write_encoding): Don't increment processing_template_decl around
2281         encoding.
2283 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2285         PR c++/70182
2286         * mangle.c (write_template_args): Add "on" for operator names.
2288 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
2290         PR c++/77489
2291         * mangle.c (write_discriminator): Handle discriminator >= 10.
2293 2017-01-17  Nathan Sidwell  <nathan@acm.org>
2295         PR c++/61636
2296         * cp-tree.h (maybe_generic_this_capture): Declare.
2297         * lambda.c (resolvable_dummy_lambda): New, broken out of ...
2298         (maybe_resolve_dummy): ... here.  Call it.
2299         (maybe_generic_this_capture): New.
2300         * parser.c (cp_parser_postfix_expression): Speculatively capture
2301         this in generic lambda in unresolved member function call.
2302         * pt.c (tsubst_copy_and_build): Force hard error from failed
2303         member function lookup in generic lambda.
2305 2017-01-17  Aldy Hernandez  <aldyh@redhat.com>
2307         PR c++/70565
2308         * cp-array-notation.c (expand_array_notation_exprs): Handle
2309         OMP_PARALLEL.
2311 2017-01-11  Jason Merrill  <jason@redhat.com>
2313         PR c++/78337 - ICE on invalid with generic lambda
2314         * semantics.c (process_outer_var_ref): Check if containing_function
2315         is null.  Move inform call under complain test.
2317 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2319         PR c++/77812
2320         * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
2321         is a new overload.
2323 2017-01-11  Nathan Sidwell  <nathan@acm.org>
2325         * name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
2327 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
2329         PR c++/78341
2330         * parser.c (cp_parser_std_attribute_spec): Remove over-eager
2331         assertion.  Formatting fix.
2333         PR c++/72813
2334         * decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
2335         writing PCH file.
2337 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
2339         PR c++/77949
2340         * parser.c (cp_parser_class_specifier_1): Only suggest inserting
2341         a missing semicolon if we have a valid insertion location for
2342         the fix-it hint.
2344 2017-01-10  Jason Merrill  <jason@redhat.com>
2346         FI 20, decomposition declaration with parenthesized initializer.
2347         * parser.c (cp_parser_decomposition_declaration): Use
2348         cp_parser_initializer.
2350 2017-01-09  Jason Merrill  <jason@redhat.com>
2352         Implement P0195R2, C++17 variadic using.
2353         * parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
2354         * pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
2355         * error.c (dump_decl): Likewise.
2357 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
2359         PR translation/79019
2360         PR translation/79020
2361         * semantics.c (finish_omp_clauses): Add missing whitespace to
2362         translatable strings.
2363         * cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
2365 2017-01-07  Jason Merrill  <jason@redhat.com>
2367         PR c++/78948 - instantiation from discarded statement
2368         * parser.h (struct cp_parser): Remove in_discarded_stmt field.
2369         * cp-tree.h (in_discarded_stmt): Declare it.
2370         (struct saved_scope): Add discarded_stmt bitfield.
2371         (in_discarded_stmt): New macro.
2372         * decl2.c (mark_used): Check it.
2373         * parser.c (cp_parser_selection_statement): Adjust.
2374         (cp_parser_jump_statement): Adjust.
2376 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
2378         PR c++/78931
2379         * decl.c (cp_finish_decomp): Remove probe variable, if tt is
2380         REFERENCE_REF_P, set tt to its operand.
2382         PR c++/78890
2383         * class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
2384         unions even for C++11 and later.
2386 2017-01-05  Nathan Sidwell  <nathan@acm.org>
2388         PR c++/78765
2389         * pt.c (convert_nontype_argument): Don't try and see if integral
2390         or enum expressions are constants prematurely.
2392 2017-01-04  Marek Polacek  <polacek@redhat.com>
2394         PR c++/64767
2395         * typeck.c (cp_build_binary_op): Warn when a pointer is compared with
2396         a zero character literal.
2398 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
2400         PR c++/78949
2401         * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
2402         vector type.
2404         PR c++/78693
2405         * parser.c (cp_parser_simple_declaration): Only complain about
2406         inconsistent auto deduction if auto_result doesn't use auto.
2408         * parser.c (cp_parser_simple_declaration): Diagnose function
2409         declaration among more than one init-declarators with auto
2410         specifier.
2412         PR c++/71182
2413         * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
2414         assertion, as lexer->buffer may be NULL.
2416 2017-01-04  Marek Polacek  <polacek@redhat.com>
2418         PR c++/77545
2419         PR c++/77284
2420         * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
2422 2017-01-04  Nathan Sidwell  <nathan@acm.org>
2424         PR c++/66735
2425         * cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
2426         (lambda_capture_field_type): Update prototype.
2427         * lambda.c (lambda_capture_field_type): Add is_reference parm.
2428         Add referenceness here.
2429         (add_capture): Adjust lambda_capture_field_type call, refactor
2430         error checking.
2431         * pt.c (tsubst): Adjust lambda_capture_field_type call.
2433 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
2435         Update copyright years.
2437 Copyright (C) 2017 Free Software Foundation, Inc.
2439 Copying and distribution of this file, with or without modification,
2440 are permitted in any medium without royalty provided the copyright
2441 notice and this notice are preserved.