12021-06-01  Release Manager
2
3	* GCC 9.4.0 released.
4
52021-05-28  Jason Merrill  <jason@redhat.com>
6
7	PR c++/100797
8	PR c++/95719
9	* call.c (build_over_call): Adjust base_binfo in
10	resolves_to_fixed_type_p case.
11
122021-05-21  Jason Merrill  <jason@redhat.com>
13
14	PR c++/97938
15	* cp-tree.h (PACK_EXPANSION_AUTO_P): New.
16	* lambda.c (add_capture): Set it.
17	* pt.c (tsubst_pack_expansion): Handle it.
18
192021-05-21  Jason Merrill  <jason@redhat.com>
20
21	PR c++/52625
22	* pt.c (maybe_process_partial_specialization): Check
23	DECL_SELF_REFERENCE_P.
24
252021-05-21  Jason Merrill  <jason@redhat.com>
26
27	PR c++/80456
28	* call.c (build_new_method_call_1): Check again for side-effects
29	with a volatile object.
30
312021-04-30  Jason Merrill  <jason@redhat.com>
32
33	PR c++/95719
34	* call.c (build_over_call): Look up the overrider in base_binfo.
35	* class.c (lookup_vfn_in_binfo): Look through BINFO_PRIMARY_P.
36
372021-04-21  Patrick Palka  <ppalka@redhat.com>
38
39	Backported from master:
40	2021-02-23  Patrick Palka  <ppalka@redhat.com>
41
42	PR c++/95468
43	* pt.c (tsubst_copy_and_build) <case BASELINK>: New case, copied
44	over from tsubst_copy.
45
462021-04-21  Patrick Palka  <ppalka@redhat.com>
47
48	Backported from master:
49	2020-08-05  Patrick Palka  <ppalka@redhat.com>
50		    Jason Merrill  <jason@redhat.com>
51
52	PR c++/96282
53	* constexpr.c (cxx_eval_vec_init_1): Truncate ctx->ctor and
54	then clear CONSTRUCTOR_NO_CLEARING on each appended element
55	initializer if we're initializing a previously zero-initialized
56	array object.
57
582021-04-21  Patrick Palka  <ppalka@redhat.com>
59
60	Backported from master:
61	2020-07-30  Patrick Palka  <ppalka@redhat.com>
62
63	PR c++/64194
64	* pt.c (resolve_overloaded_unification): If the function
65	template specialization has a placeholder return type,
66	then instantiate it before attempting unification.
67
682021-04-20  Jakub Jelinek  <jakub@redhat.com>
69
70	Backported from master:
71	2021-04-20  Jakub Jelinek  <jakub@redhat.com>
72
73	PR c++/99833
74	* pt.c (extract_locals_r): When handling DECL_EXPR of a structured
75	binding, add to data.internal also all corresponding structured
76	binding decls.
77
782021-04-20  Jakub Jelinek  <jakub@redhat.com>
79
80	Backported from master:
81	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
82
83	PR c++/99790
84	* cp-gimplify.c (cp_gimplify_expr): Handle PTRMEM_CST.
85
862021-04-20  Jakub Jelinek  <jakub@redhat.com>
87
88	Backported from master:
89	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
90
91	PR c++/99745
92	* decl2.c (grokbitfield): Diagnose bitfields containing bare parameter
93	packs and don't set DECL_BIT_FIELD_REPRESENTATIVE in that case.
94
952021-04-20  Jakub Jelinek  <jakub@redhat.com>
96
97	Backported from master:
98	2021-03-30  Jakub Jelinek  <jakub@redhat.com>
99
100	PR c++/99650
101	* decl.c (cp_finish_decomp): Diagnose void initializers when
102	using tuple_element and get.
103
1042021-04-20  Jakub Jelinek  <jakub@redhat.com>
105
106	Backported from master:
107	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
108
109	PR c++/99613
110	* decl.c (expand_static_init): For thread guards, call __cxa_atexit
111	before calling __cxa_guard_release rather than after it.  Formatting
112	fixes.
113
1142021-04-20  Jakub Jelinek  <jakub@redhat.com>
115
116	Backported from master:
117	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
118
119	PR c++/82959
120	* call.c (op_is_ordered): Handle TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR
121	and COMPOUND_EXPR.
122
1232021-04-20  Jakub Jelinek  <jakub@redhat.com>
124
125	Backported from master:
126	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
127
128	PR c++/95451
129	* lambda.c (is_lambda_ignored_entity): Before checking for
130	LAMBDA_FUNCTION_P, use OVL_FIRST.  Drop FUNCTION_DECL check.
131
1322021-04-20  Jakub Jelinek  <jakub@redhat.com>
133
134	Backported from master:
135	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
136
137	PR sanitizer/99106
138	* init.c (build_zero_init_1): For flexible array members just return
139	NULL_TREE instead of returning empty CONSTRUCTOR with non-complete
140	ARRAY_TYPE.
141
1422021-04-20  Jakub Jelinek  <jakub@redhat.com>
143
144	Backported from master:
145	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
146
147	PR c++/99033
148	* init.c (build_zero_init_1): Handle zero initialiation of
149	flexible array members like initialization of [0] arrays.
150	Use integer_minus_onep instead of comparison to integer_minus_one_node
151	and integer_zerop instead of comparison against size_zero_node.
152	Formatting fixes.
153
1542021-04-20  Jakub Jelinek  <jakub@redhat.com>
155
156	Backported from master:
157	2021-03-19  Jakub Jelinek  <jakub@redhat.com>
158
159	PR c++/97878
160	* decl.c (check_array_initializer): For structured bindings, require
161	the array type to be complete.
162
1632021-04-20  Jakub Jelinek  <jakub@redhat.com>
164
165	Backported from master:
166	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
167
168	PR c++/33661
169	PR c++/98847
170	* decl.c (cp_finish_decl): For register vars with asmspec in templates
171	call set_user_assembler_name and set DECL_HARD_REGISTER.
172	* pt.c (tsubst_expr): When instantiating DECL_HARD_REGISTER vars,
173	pass asmspec_tree to cp_finish_decl.
174
1752021-04-20  Jakub Jelinek  <jakub@redhat.com>
176
177	Backported from master:
178	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
179
180	PR sanitizer/95693
181	* init.c (build_zero_init_1): Revert the 2018-03-06 change to
182	return build_zero_cst for reference types.
183	* typeck2.c (process_init_constructor_record): Instead call
184	build_zero_cst here during error recovery instead of build_zero_init.
185
1862021-04-20  Jakub Jelinek  <jakub@redhat.com>
187
188	Backported from master:
189	2021-01-29  Jakub Jelinek  <jakub@redhat.com>
190
191	PR c++/98672
192	* constexpr.c (check_for_return_continue_data): Add break_stmt member.
193	(check_for_return_continue): Also look for BREAK_STMT.  Handle
194	SWITCH_STMT by ignoring break_stmt from its body.
195	(potential_constant_expression_1) <case FOR_STMT>,
196	<case WHILE_STMT>: If the condition isn't constant true, check if
197	the loop body can contain a return stmt.
198	<case SWITCH_STMT>: Adjust check_for_return_continue_data initializer.
199	<case IF_STMT>: If recursion with tf_none is successful,
200	merge *jump_target from the branches - returns with highest priority,
201	breaks or continues lower.  If then branch is potentially constant and
202	doesn't return, check the else branch if it could return, break or
203	continue.
204
2052021-04-20  Jakub Jelinek  <jakub@redhat.com>
206
207	Backported from master:
208	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
209
210	PR c++/98187
211	* parser.c (cp_parser_omp_parallel): For parallel master with
212	-fopenmp-simd only, just call cp_parser_omp_master instead of
213	wrapping it in OMP_PARALLEL.
214
2152021-04-20  Jakub Jelinek  <jakub@redhat.com>
216
217	Backported from master:
218	2021-01-06  Jakub Jelinek  <jakub@redhat.com>
219
220	PR c++/98072
221	* parser.c (cp_parser_omp_depobj): Suppress location wrappers when
222	parsing depend clause.
223
2242021-04-20  Jakub Jelinek  <jakub@redhat.com>
225
226	Backported from master:
227	2020-11-12  Jakub Jelinek  <jakub@redhat.com>
228
229	PR c++/97663
230	* parser.c (cp_parser_init_declarator): Don't try to parse
231	C++17 deduction guides if there are any type specifiers even when
232	type is NULL.
233
2342021-03-06  Tobias Burnus  <tobias@codesourcery.com>
235
236	Backported from master:
237	2021-03-05  Tobias Burnus  <tobias@codesourcery.com>
238
239	PR c/99137
240	* parser.c (cp_parser_oacc_clause_async): Reject comma expressions.
241
2422021-03-04  Jason Merrill  <jason@redhat.com>
243
244	PR c++/98810
245	* pt.c (tsubst_copy) [VIEW_CONVERT_EXPR]: Add const
246	to a class non-type template argument that needs it.
247
2482021-03-04  Jason Merrill  <jason@redhat.com>
249
250	PR c++/95675
251	* call.c (build_temp): Wrap a CALL_EXPR in a TARGET_EXPR
252	if it didn't get one before.
253
2542021-02-27  Jason Merrill  <jason@redhat.com>
255
256	PR c++/90333
257	* parser.c (cp_parser_lambda_declarator_opt): Accept GNU attributes
258	between () and ->.
259
2602021-01-29  Jason Merrill  <jason@redhat.com>
261
262	PR c++/63707
263	* tree.c (build_vec_init_expr): Don't call build_vec_init_elt
264	if we got a CONSTRUCTOR.
265
2662020-12-16  Nathan Sidwell  <nathan@acm.org>
267
268	* parser.c (cp_parser_elaborated_type_specifier): Test
269	BOUND_TEMPLATE_TEMPLATE_PARM before checking for instantiation.
270
2712020-11-26  Thomas Schwinge  <thomas@codesourcery.com>
272
273	Backported from master:
274	2020-11-26  Thomas Schwinge  <thomas@codesourcery.com>
275
276	* parser.c (cp_parser_omp_var_list_no_open): Assert that array
277	section's 'low_bound', 'length' are not location wrapper nodes.
278	(cp_parser_oacc_all_clauses, cp_parser_oacc_cache): Instantiate
279	'auto_suppress_location_wrappers'.
280
2812020-11-25  Thomas Schwinge  <thomas@codesourcery.com>
282
283	Backported from master:
284	2020-11-25  Thomas Schwinge  <thomas@codesourcery.com>
285
286	* pt.c (tsubst_omp_clauses): Handle 'OMP_CLAUSE__CACHE_'.
287	(tsubst_expr): Handle 'OACC_CACHE'.
288
2892020-11-24  Jason Merrill  <jason@redhat.com>
290
291	PR c++/95158
292	* class.c (lookup_vfn_in_binfo): New.
293	* call.c (build_over_call): Use it.
294	(build_new_method_call_1): Don't set LOOKUP_NONVIRTUAL.
295	* cp-tree.h (resolves_to_fixed_type_p): Add default argument.
296	(lookup_vfn_in_binfo): Declare.
297
2982020-11-13  Patrick Palka  <ppalka@redhat.com>
299
300	Backported from master:
301	2020-10-07  Patrick Palka  <ppalka@redhat.com>
302
303	PR c++/88115
304	PR libstdc++/97273
305	* tree.c (cp_tree_equal) <case ALIGNOF_EXPR>: Return false if
306	ALIGNOF_EXPR_STD_P differ.
307
3082020-09-16  Jakub Jelinek  <jakub@redhat.com>
309
310	Backported from master:
311	2020-09-03  Jakub Jelinek  <jakub@redhat.com>
312
313	PR c++/96862
314	* constexpr.c (cxx_eval_outermost_constant_expr): Temporarily disable
315	flag_rounding_math during manifestly constant evaluation.
316
3172020-09-16  Jakub Jelinek  <jakub@redhat.com>
318
319	Backported from master:
320	2020-05-28  Jakub Jelinek  <jakub@redhat.com>
321
322	PR c++/95328
323	* decl.c (cp_finish_decomp): Call complete_type before checking
324	COMPLETE_TYPE_P.
325
3262020-09-16  Jakub Jelinek  <jakub@redhat.com>
327
328	Backported from master:
329	2020-05-07  Jakub Jelinek  <jakub@redhat.com>
330
331	PR c++/94951
332	* typeck.c (cp_strict_aliasing_warning): New function.
333	(cp_build_indirect_ref_1, build_reinterpret_cast_1): Use
334	it instead of strict_aliasing_warning.
335
3362020-09-16  Jakub Jelinek  <jakub@redhat.com>
337
338	Backported from master:
339	2020-04-24  Jakub Jelinek  <jakub@redhat.com>
340
341	PR c++/94742
342	* semantics.c (finish_call_expr): When looking if all overloads
343	are noreturn, use STRIP_TEMPLATE to look through TEMPLATE_DECLs.
344
3452020-09-16  Jakub Jelinek  <jakub@redhat.com>
346
347	Backported from master:
348	2020-04-16  Jakub Jelinek  <jakub@redhat.com>
349
350	PR c++/94571
351	* parser.c (cp_parser_simple_declaration): Fix up a pasto in
352	diagnostics.
353
3542020-09-16  Jakub Jelinek  <jakub@redhat.com>
355
356	Backported from master:
357	2020-04-08  Jakub Jelinek  <jakub@redhat.com>
358
359	PR c++/94325
360	* decl.c (begin_destructor_body): For CLASSTYPE_VBASECLASSES class
361	dtors, if CLASSTYPE_PRIMARY_BINFO is non-NULL, but not BINFO_VIRTUAL_P,
362	look at CLASSTYPE_PRIMARY_BINFO of its BINFO_TYPE if it is not
363	BINFO_VIRTUAL_P, and so on.
364
3652020-06-16  Patrick Palka  <ppalka@redhat.com>
366
367	PR c++/95678
368	* tree.c (zero_init_expr_p): Use uses_template_parms instead of
369	dependent_type_p.
370
3712020-06-11  Marek Polacek  <polacek@redhat.com>
372
373	PR c++/95344
374	* cp-gimplify.c (cp_fold) <case MODIFY_EXPR>: Don't set
375	TREE_THIS_VOLATILE here.
376	(cp_fold): Set it here along with TREE_NO_WARNING.
377
3782020-06-11  Marek Polacek  <polacek@redhat.com>
379
380	PR c++/95560
381	* name-lookup.c (check_local_shadow): Check if types are
382	non-null before calling same_type_p.
383
3842020-05-25  Jason Merrill  <jason@redhat.com>
385
386	PR c++/90212
387	* constexpr.c (potential_constant_expression_1): In a lambda
388	function, consider a captured variable directly.
389
3902020-05-25  Jason Merrill  <jason@redhat.com>
391
392	PR c++/90479
393	* init.c (get_nsdmi): Don't push_to_top_level for a local class.
394
3952020-05-25  Jason Merrill  <jason@redhat.com>
396
397	PR c++/91529
398	* decl.c (cp_finish_decl): Also clear TREE_READONLY if
399	-fmerge-all-constants.
400
4012020-05-25  Jason Merrill  <jason@redhat.com>
402
403	PR c++/93822
404	* pt.c (tsubst_decl): Make sure DECL_VALUE_EXPR continues to have
405	the same type as the variable.
406
4072020-05-06  Nathan Sidwell  <nathan@acm.org>
408
409	PR c++/94946
410	* decl.c (grokdeclarator): Don't splice template attributes in
411	parm context -- they can apply to the parm.
412
4132020-04-27  Jason Merrill  <jason@redhat.com>
414
415	PR c++/90750
416	PR c++/79585
417	* decl.c (grokdeclarator): Move dependent attribute to decl.
418	* decl2.c (splice_template_attributes): No longer static.
419
4202020-04-21  Martin Sebor  <msebor@redhat.com>
421	    Jason Merrill  <jason@redhat.com>
422
423	PR c++/94510
424	* decl.c (reshape_init_array_1): Avoid stripping redundant trailing
425	zero initializers...
426	* mangle.c (write_expression): ...and handle them here even for
427	pointers to members by calling zero_init_expr_p.
428	* cp-tree.h (zero_init_expr_p): Declare.
429	* tree.c (zero_init_expr_p): Define.
430	(type_initializer_zero_p): Remove.
431	* pt.c (tparm_obj_values): New hash_map.
432	(get_template_parm_object): Store to it.
433	(tparm_object_argument): New.
434
4352020-04-20  Marek Polacek  <polacek@redhat.com>
436
437	Backported from mainline
438	2020-04-20  Marek Polacek  <polacek@redhat.com>
439
440	PR c++/94505 - bogus -Wparentheses warning with fold-expression.
441	* pt.c (fold_expression): Add warning_sentinel for -Wparentheses
442	before calling build_x_binary_op.
443
4442020-04-07  Jakub Jelinek  <jakub@redhat.com>
445
446	PR c++/94512
447	* parser.c (cp_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
448	if cp_parser_omp_master succeeded.
449
450	Backported from mainline
451	2020-04-04  Jakub Jelinek  <jakub@redhat.com>
452
453	PR c++/94477
454	* pt.c (tsubst_expr) <case OMP_MASTER>: Clear
455	omp_parallel_combined_clauses.
456
457	2020-03-30  Jakub Jelinek  <jakub@redhat.com>
458
459	PR c++/94385
460	* semantics.c (add_stmt): Only set STMT_IS_FULL_EXPR_P on trees with
461	STATEMENT_CODE_P code.
462
463	2020-03-19  Jakub Jelinek  <jakub@redhat.com>
464
465	PR c++/93931
466	* parser.c (cp_parser_omp_var_list_no_open): Call process_outer_var_ref
467	on outer_automatic_var_p decls.
468	* cp-gimplify.c (cxx_omp_disregard_value_expr): Return true also for
469	capture proxy decls.
470
471	2020-03-17  Jakub Jelinek  <jakub@redhat.com>
472
473	PR c++/90995
474	* parser.c (cp_parser_enum_specifier): Use temp_override for
475	parser->colon_corrects_to_scope_p, replace goto out with return.
476	If scoped enum or enum with underlying type is not followed by
477	{ or ;, call cp_parser_commit_to_tentative_parse before calling
478	cp_parser_error and make sure to return error_mark_node instead of
479	NULL_TREE.  Formatting fixes.
480
4812020-04-05  Marek Polacek  <polacek@redhat.com>
482
483	2020-02-06  Marek Polacek  <polacek@redhat.com>
484	Backport from mainline
485
486	PR c++/93597 - ICE with lambda in operator function.
487	* name-lookup.c (maybe_save_operator_binding): Check is_overloaded_fn.
488
4892020-04-04  Jason Merrill  <jason@redhat.com>
490
491	PR c++/91377
492	* mangle.c (write_expression): Skip IMPLICIT_CONV_EXPR.
493
4942020-04-04  Jason Merrill  <jason@redhat.com>
495
496	PR c++/94453
497	* constexpr.c (maybe_constant_value): Use break_out_target_exprs.
498	* expr.c (mark_use) [VIEW_CONVERT_EXPR]: Don't wrap a TARGET_EXPR in
499	NON_LVALUE_EXPR.
500
5012020-04-03  Jason Merrill  <jason@redhat.com>
502
503	PR c++/91966
504	* pt.c (complex_pack_expansion_r): New.
505	(complex_alias_template_p): Use it.
506
5072020-03-30  Jason Merrill  <jason@redhat.com>
508
509	PR c++/90711
510	* tree.c (cp_tree_equal) [CALL_EXPR]: Compare KOENIG_LOOKUP_P.
511	(called_fns_equal): Check DECL_CONTEXT.
512
5132020-03-27  Nathan Sidwell  <nathan@acm.org>
514
515	PR c++/84733
516	* name-lookup.c (do_pushdecl): Look through cleanp levels.
517
5182020-03-14  Jason Merrill  <jason@redhat.com>
519
520	PR c++/92909
521	* pt.c (find_parameter_packs_r): [DECL_EXPR]: Walk
522	DECL_ORIGINAL_TYPE of a typedef.
523
5242020-03-14  Jason Merrill  <jason@redhat.com>
525
526	PR c++/92068
527	* pt.c (process_partial_specialization): Error rather than crash on
528	extra pack expansion.
529
5302020-03-14  Jason Merrill  <jason@redhat.com>
531
532	PR c++/93248
533	* pt.c (build_deduction_guide): Clear cp_unevaluated_operand for
534	substituting DECL_ARGUMENTS.
535
5362020-03-12  Release Manager
537
538	* GCC 9.3.0 released.
539
5402020-03-05  Jason Merrill  <jason@redhat.com>
541
542	PR c++/88395
543	PR c++/93551
544	* constraint.cc (constraints_satisfied_p): Use push_tinst_level.
545
5462020-03-05  Martin Sebor  <msebor@redhat.com>
547
548	Backport from trunk.
549	2020-02-21  Martin Sebor  <msebor@redhat.com>
550
551	PR gcov-profile/93753
552	* class.c (check_flexarrays): Tighten up a test for potential members
553	of anonymous structs or unions.
554
5552020-03-05  Jason Merrill  <jason@redhat.com>
556
557	PR c++/90338
558	* pt.c (invalid_nontype_parm_type_p): Check complain for non-literal
559	and mutable errors.
560
5612020-03-04  Jason Merrill  <jason@redhat.com>
562
563	PR c++/91607
564	* constexpr.c (constexpr_call_hasher::equal): Use
565	same_type_ignoring_top_level_qualifiers_p.
566
5672020-03-04  Martin Sebor  <msebor@redhat.com>
568
569	PR c++/90938
570	* tree.c (type_initializer_zero_p): Fail for structs initialized
571	with non-structs.
572
5732020-03-04  Marek Polacek  <polacek@redhat.com>
574
575	Backported from mainline
576	2020-01-24  Marek Polacek  <polacek@redhat.com>
577
578	PR c++/93299 - ICE in tsubst_copy with parenthesized expression.
579	* pt.c (tsubst_copy): Handle a REF_PARENTHESIZED_P VIEW_CONVERT_EXPR.
580
5812020-03-04  Marek Polacek  <polacek@redhat.com>
582
583	Backported from mainline
584	2020-02-26  Marek Polacek  <polacek@redhat.com>
585
586	PR c++/93676 - value-init crash in template.
587	* init.c (build_new_1): Don't call build_vec_init in a template.
588
5892020-03-04  Jason Merrill  <jason@redhat.com>
590	    Marek Polacek  <polacek@redhat.com>
591
592	PR c++/90505 - mismatch in template argument deduction.
593	* pt.c (tsubst): Don't reduce the template level of template
594	parameters when tf_partial.
595
5962020-03-04  Jason Merrill  <jason@redhat.com>
597
598	PR c++/90432
599	* init.c (perform_member_init): Don't do aggregate initialization of
600	empty field.
601	* constexpr.c (cx_check_missing_mem_inits): Don't enforce
602	initialization of empty field.
603
6042020-03-04  Jason Merrill  <jason@redhat.com>
605
606	PR c++/90997
607	* semantics.c (finish_call_expr): Don't call
608	instantiate_non_dependent_expr before warn_for_memset.
609
6102020-03-02  Jason Merrill  <jason@redhat.com>
611
612	PR c++/86917
613	* constexpr.c (cxx_eval_vec_init_1): Handle CONSTRUCTOR.
614
6152020-03-02  Jason Merrill  <jason@redhat.com>
616
617	PR c++/91953
618	* constexpr.c (potential_constant_expression_1) [PARM_DECL]: Allow
619	empty class type.
620	[COMPONENT_REF]: A member function reference doesn't use the object
621	as an rvalue.
622
6232020-03-02  Jason Merrill  <jason@redhat.com>
624
625	PR c++/88256
626	* cp-gimplify.c (predeclare_vla): New.
627	(cp_genericize_r) [NOP_EXPR]: Call it.
628
6292020-03-02  Jason Merrill  <jason@redhat.com>
630
631	PR c++/93442
632	* parser.c (cp_parser_lambda_expression): Clear in_discarded_stmt.
633
6342020-03-02  Jason Merrill  <jason@redhat.com>
635
636	PR c++/90732 - ICE with VLA capture and generic lambda.
637	* pt.c (tsubst_lambda_expr): Repeat add_capture for VLAs.
638
6392020-03-02  Jason Merrill  <jason@redhat.com>
640
641	PR c++/90333
642	PR c++/89640
643	PR c++/60503
644	* parser.c (cp_parser_type_specifier_seq): Don't parse attributes in
645	a trailing return type.
646	(cp_parser_lambda_declarator_opt): Parse C++11 attributes before
647	parens.
648
6492020-02-26  Marek Polacek  <polacek@redhat.com>
650
651	PR c++/92745 - bogus error when initializing array of vectors.
652	* decl.c (reshape_init_r): For a nested compound literal, do
653	call reshape_init_{class,array,vector}.
654
6552020-02-26  Jason Merrill  <jason@redhat.com>
656
657	PR c++/90951
658	* constexpr.c (cxx_eval_array_reference): {}-initialize missing
659	elements instead of value-initializing them.
660
6612020-02-26  Jason Merrill  <jason@redhat.com>
662
663	PR c++/93140
664	* pt.c (tsubst_decl) [PARM_DECL]: Check cp_unevaluated_operand in
665	handling of TREE_CHAIN for empty pack.
666
6672020-02-26  Jason Merrill  <jason@redhat.com>
668
669	PR c++/92852
670	* constexpr.c (maybe_constant_value): Don't unshare if the cached
671	value is the same as the argument.
672
6732020-02-14  Jakub Jelinek  <jakub@redhat.com>
674
675	PR c++/61414
676	* class.c (enum_min_precision): Change prec type from int to int &.
677
6782020-02-13  Jakub Jelinek  <jakub@redhat.com>
679
680	Backported from mainline
681	2020-02-05  Jakub Jelinek  <jakub@redhat.com>
682
683	PR c++/93557
684	* semantics.c (cp_build_vec_convert): Call decay_conversion on arg
685	prior to passing it to c_build_vec_convert.
686
687	2020-01-29  Jakub Jelinek  <jakub@redhat.com>
688
689	PR c++/91118
690	* cp-gimplify.c (cxx_omp_predetermined_sharing): Return
691	OMP_CLAUSE_DEFAULT_SHARED for typeinfo decls.
692
6932020-01-28  Jason Merrill  <jason@redhat.com>
694
695	PR c++/90546
696	* call.c (build_user_type_conversion_1): Allow a template conversion
697	returning an rvalue reference to bind directly to an lvalue.
698
699	PR c++/90731
700	* decl.c (grokdeclarator): Propagate eh spec from typedef.
701
702	PR c++/90966
703	* pt.c (tsubst_copy) [STRING_CST]: Don't use fold_convert.
704
705	PR c++/93279 - ICE with lambda in member operator.
706	* name-lookup.c (maybe_save_operator_binding): Don't remember
707	class-scope bindings.
708
7092020-01-27  Nathan Sidwell  <nathan@acm.org>
710
711	PR c++/91826
712	* name-lookup.c (is_ancestor): Allow CHILD to be a namespace alias.
713
7142020-01-24  Jason Merrill  <jason@redhat.com>
715
716	PR c++/92852 - ICE with generic lambda and reference var.
717	* constexpr.c (maybe_constant_value): Likewise.
718
7192020-01-22  Jakub Jelinek  <jakub@redhat.com>
720
721	Backported from mainline
722	2020-01-17  Jakub Jelinek  <jakub@redhat.com>
723
724	PR c++/93228
725	* parser.c (cp_parser_template_name): Look up deprecated attribute
726	in DECL_TEMPLATE_RESULT or its type's attributes.
727
728	2019-12-26  Jakub Jelinek  <jakub@redhat.com>
729
730	PR c++/92438
731	* parser.c (cp_parser_constructor_declarator_p): If open paren
732	is followed by RID_ATTRIBUTE, skip over the attribute tokens and
733	try to parse type specifier.
734
735	2019-12-20  Jakub Jelinek  <jakub@redhat.com>
736
737	PR c++/92992
738	* call.c (convert_arg_to_ellipsis): For decltype(nullptr) arguments
739	that have side-effects use cp_build_compound_expr.
740
7412020-01-21  Jason Merrill  <jason@redhat.com>
742
743	PR c++/91476 - anon-namespace reference temp clash between TUs.
744	* call.c (make_temporary_var_for_ref_to_temp): Clear TREE_PUBLIC
745	if DECL is in the anonymous namespace.
746
7472020-01-17  Jason Merrill  <jason@redhat.com>
748
749	PR c++/92531 - ICE with noexcept(lambda).
750	* pt.c (uses_template_parms): Don't try to enumerate all the
751	expression cases.
752
7532020-01-16  Jason Merrill  <jason@redhat.com>
754
755	PR c++/93286 - ICE with __is_constructible and variadic template.
756	* pt.c (tsubst) [TREE_LIST]: Handle pack expansion.
757	(tsubst_copy_and_build) [TRAIT_EXPR]: Always use tsubst for type2.
758
7592020-01-02  Jakub Jelinek  <jakub@redhat.com>
760
761	PR c/90677
762	* cp-objcp-common.c (identifier_global_tag): Return NULL_TREE if name
763	has not been found, rather than error_mark_node.
764
7652019-12-20  Jakub Jelinek  <jakub@redhat.com>
766
767	Backported from mainline
768	2019-12-06  Jakub Jelinek  <jakub@redhat.com>
769
770	PR c++/92831 - CWG 1299, not extending temporary lifetime for ?:
771	* cp-tree.h (extend_ref_init_temps): Add a new argument with NULL
772	default arg.
773	* call.c (set_up_extended_ref_temp): Add COND_GUARD argument, pass it
774	down to extend_ref_init_temps.  Before pushing cleanup, if COND_GUARD
775	is non-NULL, create a bool temporary if needed, initialize to false
776	and guard the cleanup with the temporary being true.
777	(extend_ref_init_temps_1): Add COND_GUARD argument, pass it down
778	to recursive calls and set_up_extended_ref_temp.  Handle COND_EXPR.
779	(extend_ref_init_temps): Add COND_GUARD argument, pass it down to
780	recursive calls and to extend_ref_init_temps_1.
781
782	2019-12-03  Jakub Jelinek  <jakub@redhat.com>
783
784	PR c++/92732
785	* typeck2.c (digest_nsdmi_init): For bitfields, use
786	DECL_BIT_FIELD_TYPE instead of TREE_TYPE.
787
788	PR c++/92695
789	* constexpr.c (cxx_bind_parameters_in_call): For virtual calls,
790	adjust the first argument to point to the derived object rather
791	than its base.
792
793	2019-12-02  Jakub Jelinek  <jakub@redhat.com>
794
795	PR c++/92695
796	* constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Use
797	STRIP_NOPS before checking for ADDR_EXPR.
798
799	2019-11-29  Jakub Jelinek  <jakub@redhat.com>
800
801	PR c++/60228
802	* parser.c (cp_parser_omp_declare_reduction_exprs): If
803	processing_template_decl, wrap the combiner or initializer
804	into EXPR_STMT.
805	* decl.c (start_preparsed_function): Don't start a lambda scope
806	for DECL_OMP_DECLARE_REDUCTION_P functions.
807	(finish_function): Don't finish a lambda scope for
808	DECL_OMP_DECLARE_REDUCTION_P functions, nor cp_fold_function
809	them nor cp_genericize them.
810	* mangle.c (decl_mangling_context): Look through
811	DECL_OMP_DECLARE_REDUCTION_P functions.
812	* semantics.c (expand_or_defer_fn_1): For DECL_OMP_DECLARE_REDUCTION_P
813	functions, use tentative linkage, don't keep their bodies with
814	-fkeep-inline-functions and return false at the end.
815
816	2019-11-28  Jakub Jelinek  <jakub@redhat.com>
817
818	PR c++/92695
819	* decl2.c (mark_used): Don't call note_vague_linkage_fn for pure
820	virtual functions, even if they are declared inline.
821
822	2019-11-27  Jakub Jelinek  <jakub@redhat.com>
823
824	PR c++/92524
825	* tree.c (replace_placeholders_r): Don't walk constructor elts with
826	RANGE_EXPR indexes.
827
828	2019-11-26  Jakub Jelinek  <jakub@redhat.com>
829
830	PR c++/92648
831	* parser.c (cp_parser_std_attribute): For unknown attributes,
832	skip balanced token seq instead of trying to parse
833	attribute-argument-clause as expression list.
834
835	PR c++/61414
836	* class.c (enum_to_min_precision): New hash_map.
837	(enum_min_precision): New function.
838	(check_bitfield_decl): Use it.
839
840	2019-11-22  Jakub Jelinek  <jakub@redhat.com>
841
842	PR c/90677
843	* cp-objcp-common.c (identifier_global_tag): Define.
844
845	2019-11-21  Jakub Jelinek  <jakub@redhat.com>
846		    Jason Merrill  <jason@redhat.com>
847
848	PR c++/90842
849	* parser.c (cp_parser_decl_specifier_seq): For concept or typedef
850	break early if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
851	For type specifiers, set CP_PARSER_FLAGS_NO_TYPE_DEFINITIONS
852	if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR is set.
853
8542019-12-11  Jason Merrill  <jason@redhat.com>
855
856	PR c++/57082 - new X{} and private destructor.
857	* init.c (build_new_1): Also pass tf_no_cleanup to
858	build_special_member_call.
859
8602019-12-11  Jason Merrill  <jason@redhat.com>
861
862	PR c++/92859 - ADL and bit-field.
863	* name-lookup.c: Use unlowered_expr_type.
864
8652019-12-11  Jason Merrill  <jason@redhat.com>
866
867	PR c++/92446 - deduction of class NTTP.
868	* pt.c (deducible_expression): Look through VIEW_CONVERT_EXPR.
869
8702019-11-06  Jason Merrill  <jason@redhat.com>
871
872	PR c++/92150 - partial specialization with class NTTP.
873	* pt.c (unify): Handle VIEW_CONVERT_EXPR.
874
8752019-11-20  Jakub Jelinek  <jakub@redhat.com>
876
877	PR c++/90767
878	* call.c (complain_about_no_candidates_for_method_call): If
879	conv->from is not a type, pass to complain_about_bad_argument
880	lvalue_type of conv->from.
881
882	Backported from mainline
883	2019-11-19  Jakub Jelinek  <jakub@redhat.com>
884
885	PR c++/92504
886	* semantics.c (handle_omp_for_class_iterator): Don't call
887	cp_fully_fold on cond.
888
8892019-11-08  Marek Polacek  <polacek@redhat.com>
890
891	Backported from mainline
892	2019-10-29  Marek Polacek  <polacek@redhat.com>
893
894	PR c++/90998 - ICE with copy elision in init by ctor and -Wconversion.
895	* call.c (joust): Don't attempt to warn if ->second_conv is null.
896
8972019-11-08  Jakub Jelinek  <jakub@redhat.com>
898
899	Backported from mainline
900	2019-11-05  Jakub Jelinek  <jakub@redhat.com>
901
902	PR c++/92343
903	* constexpr.c (potential_constant_expression_1): Return true rather
904	than false for PREDICT_EXPR.
905
906	2019-10-31  Jakub Jelinek  <jakub@redhat.com>
907
908	PR c++/90947
909	* cp-tree.h (type_initializer_zero_p): Declare.
910	* decl.c (reshape_init_array_1): Formatting fix.
911	* tree.c (type_initializer_zero_p): New function.  Moved from
912	../tree.c, use next_initializable_field, formatting fix.  Return
913	false for TYPE_NON_AGGREGATE_CLASS types.
914
915	2019-10-22  Jakub Jelinek  <jakub@redhat.com>
916
917	PR tree-optimization/85887
918	* decl.c (expand_static_init): Drop ECF_LEAF from __cxa_guard_acquire
919	and __cxa_guard_release.
920
921	2019-10-21  Jakub Jelinek  <jakub@redhat.com>
922
923	PR c++/92015
924	* constexpr.c (cxx_eval_component_reference, cxx_eval_bit_field_ref):
925	Use STRIP_ANY_LOCATION_WRAPPER on CONSTRUCTOR elts.
926
9272019-10-29  Jakub Jelinek  <jakub@redhat.com>
928
929	PR c++/92201
930	* cp-gimplify.c (cp_gimplify_expr): If gimplify_to_rvalue changes the
931	function pointer type, re-add cast to the original one.
932
9332018-10-26  Ville Voutilainen  <ville.voutilainen@gmail.com>
934
935	Backport from mainline
936
937	2019-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
938
939	PR c++/85254
940	* class.c (fixup_type_variants): Handle CLASSTYPE_FINAL.
941
9422019-10-24  Marek Polacek  <polacek@redhat.com>
943
944	* decl.c (reshape_init_r): Add missing space.
945
9462019-10-22  Marek Polacek  <polacek@redhat.com>
947
948	Backported from mainline
949	2019-10-21  Marek Polacek  <polacek@redhat.com>
950
951	PR c++/92106 - ICE with structured bindings and -Wreturn-local-addr.
952	* typeck.c (maybe_warn_about_returning_address_of_local): Avoid
953	recursing on null initializer and return false instead.
954
955	PR c++/92062 - ODR-use ignored for static member of class template.
956	* pt.c (has_value_dependent_address): Strip location wrappers.
957
9582019-10-21  Jakub Jelinek  <jakub@redhat.com>
959
960	Backported from mainline
961	2019-10-04  Jakub Jelinek  <jakub@redhat.com>
962
963	PR c++/91974
964	* cp-gimplify.c (cp_gimplify_expr) <case CALL_EXPR>: For
965	-fstrong-eval-order ensure CALL_EXPR_FN side-effects are evaluated
966	before any arguments.  Additionally, ensure CALL_EXPR_FN that isn't
967	invariant nor OBJ_TYPE_REF nor SSA_NAME is forced into a temporary.
968
969	2019-09-27  Jakub Jelinek  <jakub@redhat.com>
970
971	PR c++/88203
972	* parser.c (cp_parser_omp_var_list_no_open): Parse predefined
973	variables.
974	* semantics.c (finish_omp_clauses): Allow predefined variables in
975	shared and firstprivate clauses, even when they are predetermined
976	shared.
977	* cp-gimplify.c (cxx_omp_predetermined_sharing_1): Return
978	OMP_CLAUSE_DEFAULT_SHARED for predefined variables.
979
980	2019-08-09  Jakub Jelinek  <jakub@redhat.com>
981
982	PR c/91401
983	* parser.c (cp_parser_omp_clause_dist_schedule): Comment out the
984	check_no_duplicate_clause call, instead emit a warning for duplicate
985	dist_schedule clauses.
986
9872019-10-16  Richard Biener  <rguenther@suse.de>
988
989	Backport from mainline
990	2019-10-02  Richard Biener  <rguenther@suse.de>
991
992	PR c++/91606
993	* decl.c (build_ptrmemfunc_type): Mark pointer-to-member
994	fat pointer structure members as DECL_NONADDRESSABLE_P.
995
9962019-10-08  Marek Polacek  <polacek@redhat.com>
997
998	Backported from mainline
999	2019-09-15  Marek Polacek  <polacek@redhat.com>
1000
1001	PR c++/91740 - ICE with constexpr call and ?: in ARRAY_REF.
1002	* pt.c (build_non_dependent_expr): Call build_non_dependent_expr for
1003	the first operand.
1004
10052019-09-28  Marek Polacek  <polacek@redhat.com>
1006
1007	Backported from mainline
1008	2019-09-28  Marek Polacek  <polacek@redhat.com>
1009
1010	PR c++/91923 - failure-to-SFINAE with class type NTTP in C++17.
1011	* pt.c (invalid_nontype_parm_type_p): Only emit errors when
1012	tf_error.
1013
10142019-09-10  Marek Polacek  <polacek@redhat.com>
1015
1016	Backported from mainline
1017	2019-09-10  Marek Polacek  <polacek@redhat.com>
1018
1019	PR c++/91705 - constexpr evaluation rejects ++/-- on floats.
1020	* constexpr.c (cxx_eval_increment_expression): Call fold_simple on
1021	the offset.
1022
10232019-09-01  Marek Polacek  <polacek@redhat.com>
1024
1025	Backported from mainline
1026	2019-09-01  Marek Polacek  <polacek@redhat.com>
1027
1028	PR c++/91129 - wrong error with binary op in template argument.
1029	* typeck.c (warn_for_null_address): Use fold_for_warn instead of
1030	fold_non_dependent_expr.
1031	(cp_build_binary_op): Likewise.
1032
10332019-08-31  Iain Sandoe  <iain@sandoe.co.uk>
1034
1035	Backported from mainline
1036	2019-08-23  Iain Sandoe  <iain@sandoe.co.uk>
1037
1038	PR pch/61250
1039	* parser.c (cp_parser_initial_pragma): Call c_common_no_more_pch ()
1040	after determining that the first token is not
1041	PRAGMA_GCC_PCH_PREPROCESS.
1042
10432019-08-23  Marek Polacek  <polacek@redhat.com>
1044
1045	Backported from mainline
1046	2019-08-23  Marek Polacek  <polacek@redhat.com>
1047
1048	PR c++/91521 - wrong error with operator->.
1049	* decl.c (grokdeclarator): Return error_mark_node for an invalid
1050	trailing return type.
1051
10522019-08-16  Jason Merrill  <jason@redhat.com>
1053
1054	PR c++/90393 - ICE with throw in ?:
1055	* call.c (build_conditional_expr_1): Revert changes from
1056	PR c++/64372 and c++/86205.
1057
10582019-08-15  Marek Polacek  <polacek@redhat.com>
1059
1060	Backported from mainline
1061	2019-08-07  Marek Polacek  <polacek@redhat.com>
1062
1063	PR c++/81429 - wrong parsing of constructor with C++11 attribute.
1064	* parser.c (cp_parser_constructor_declarator_p): Handle the scenario
1065	when a parameter declaration begins with [[attribute]].
1066
1067	2019-08-08  Marek Polacek  <polacek@redhat.com>
1068
1069	PR c++/87519 - bogus warning with -Wsign-conversion.
1070	* typeck.c (cp_build_binary_op): Use same_type_p instead of comparing
1071	the types directly.
1072
1073	2019-08-13  Marek Polacek  <polacek@redhat.com>
1074
1075	PR c++/90473 - wrong code with nullptr in default argument.
1076	* call.c (null_ptr_cst_p): Update quote from the standard.
1077	* decl.c (check_default_argument): Don't return nullptr when the arg
1078	has side-effects.
1079
1080	2019-06-14  Marek Polacek  <polacek@redhat.com>
1081
1082	PR c++/90884 - stray note with -Wctor-dtor-privacy.
1083	* class.c (maybe_warn_about_overly_private_class): Guard the call to
1084	inform.
1085
10862019-08-14  Martin Sebor  <msebor@redhat.com>
1087
1088	Backported from mainline
1089	2019-08-01  Martin Sebor  <msebor@redhat.com>
1090
1091	PR c++/90947
1092	* decl.c (reshape_init_array_1): Avoid truncating initializer
1093	lists containing string literals.
1094
10952019-08-14  Jonathan Wakely  <jwakely@redhat.com>
1096
1097	PR c++/91436
1098	* name-lookup.c (get_std_name_hint): Fix min_dialect field for
1099	complex_literals and make_unique entries.
1100
11012019-08-12  Tom Honermann  <tom@honermann.net>
1102
1103	* parser.c (cp_parser_template_declaration_after_parameters): Enable
1104	class template argument deduction for non-type template parameters
1105	in literal operator templates.
1106
11072019-08-12  Jason Merrill  <jason@redhat.com>
1108
1109	PR c++/91378 - ICE with noexcept and auto return type.
1110	* pt.c (maybe_instantiate_noexcept): push_to_top_level.
1111
1112	PR c++/90538 - multiple expansions of capture packs
1113	* cp-tree.h (DECLTYPE_FOR_INIT_CAPTURE): Remove.
1114	* lambda.c (add_capture): Copy parameter packs from init.
1115	(lambda_capture_field_type): Always use auto for init-capture.
1116	* pt.c (uses_parameter_packs): Return tree.
1117	(tsubst) [DECLTYPE_TYPE]: Remove init-capture handling.
1118	(gen_elem_of_pack_expansion_instantiation): Don't push
1119	local_specialization_stack.
1120	(prepend_one_capture): New.
1121	(tsubst_lambda_expr): Use it.  Don't touch local_specializations.
1122	(do_auto_deduction): Avoid redundant error.
1123
11242019-08-12  Release Manager
1125
1126	* GCC 9.2.0 released.
1127
11282019-08-02  Martin Sebor  <msebor@redhat.com>
1129
1130	Backport from mainline
1131	2019-06-05  Martin Sebor  <msebor@redhat.com>
1132
1133	PR c/90737
1134	* typeck.c (maybe_warn_about_returning_address_of_local): Only
1135	consider functions returning pointers as candidates for
1136	-Wreturn-local-addr.
1137
11382019-08-02  Marek Polacek  <polacek@redhat.com>
1139
1140	Backported from mainline
1141	2019-08-02  Marek Polacek  <polacek@redhat.com>
1142
1143	PR c++/91230 - wrong error with __PRETTY_FUNCTION__ and generic lambda.
1144	* pt.c (value_dependent_expression_p): Consider __PRETTY_FUNCTION__
1145	inside a template function value-dependent.
1146
11472019-07-19  Jason Merrill  <jason@redhat.com>
1148
1149	PR c++/90098 - partial specialization and class non-type parms.
1150	PR c++/90099
1151	PR c++/90101
1152	* call.c (build_converted_constant_expr_internal): Don't copy.
1153	* pt.c (process_partial_specialization): Allow VIEW_CONVERT_EXPR
1154	around class non-type parameter.
1155	(unify) [TEMPLATE_PARM_INDEX]: Ignore cv-quals.
1156	(invalid_nontype_parm_type_p): Check for dependent class type.
1157
1158	PR c++/85552 - wrong instantiation of dtor for DMI.
1159	* typeck2.c (digest_nsdmi_init): Set tf_no_cleanup for direct-init.
1160
11612019-07-19  Nina Dinka Ranns  <dinka.ranns@gmail.com>
1162
1163	PR c++/63149 - Wrong auto deduction from braced-init-list.
1164	* pt.c (listify_autos): use non cv qualified auto_node in
1165	std::initializer_list<auto>.
1166
11672019-07-01  Marek Polacek  <polacek@redhat.com>
1168
1169	Backported from mainline
1170	2019-06-21  Marek Polacek  <polacek@redhat.com>
1171
1172	PR c++/60223 - ICE with T{} in non-deduced context.
1173	* pt.c (unify): Allow COMPOUND_LITERAL_P in a non-deduced context.
1174
1175	PR c++/90490 - fix decltype issues in noexcept-specifier.
1176	* except.c (build_noexcept_spec): Call
1177	instantiate_non_dependent_expr_sfinae before
1178	build_converted_constant_expr instead of calling
1179	instantiate_non_dependent_expr after it.  Add
1180	processing_template_decl_sentinel.
1181
11822019-06-29  Jakub Jelinek  <jakub@redhat.com>
1183
1184	Backported from mainline
1185	2019-06-21  Jakub Jelinek  <jakub@redhat.com>
1186
1187	PR c++/90950
1188	* semantics.c (finish_omp_clauses): Don't reject references to
1189	incomplete types if processing_template_decl.
1190
11912019-06-12  Marek Polacek  <polacek@redhat.com>
1192
1193	PR c++/90825 - endless recursion when evaluating sizeof.
1194	PR c++/90832 - endless recursion when evaluating sizeof.
1195	* constexpr.c (cxx_eval_constant_expression): Don't recurse on the
1196	result of fold_sizeof_expr if is returns a SIZEOF_EXPR.
1197	* typeck.c (cxx_sizeof_expr): Only return a SIZEOF_EXPR if the operand
1198	is instantiation-dependent.
1199
1200	PR c++/90736 - bogus error with alignof.
1201	* constexpr.c (adjust_temp_type): Use cv_unqualified type.
1202
12032019-06-11  Jakub Jelinek  <jakub@redhat.com>
1204
1205	PR c++/90810
1206	* init.c (constant_value_1): Handle VECTOR_CST DECL_INITIAL for
1207	!DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P decls like CONSTRUCTOR.
1208
12092019-06-05  Jakub Jelinek  <jakub@redhat.com>
1210
1211	Backported from mainline
1212	2019-05-29  Jakub Jelinek  <jakub@redhat.com>
1213
1214	PR c++/90598
1215	* tree.c (lvalue_kind): Return clk_none for expressions with
1216	with VOID_TYPE_P.
1217
12182019-05-28  Marek Polacek  <polacek@redhat.com>
1219
1220	Backported from mainline
1221	2019-05-28  Marek Polacek  <polacek@redhat.com>
1222
1223	PR c++/90548 - ICE with generic lambda and empty pack.
1224	* pt.c (tsubst_copy_and_build): Handle pack expansion properly.
1225
12262019-05-25  Marek Polacek  <polacek@redhat.com>
1227
1228	Backported from mainline
1229	2019-05-25  Marek Polacek  <polacek@redhat.com>
1230
1231	PR c++/90572 - wrong disambiguation in friend declaration.
1232	* parser.c (cp_parser_constructor_declarator_p): Don't allow missing
1233	typename for friend declarations.
1234
12352019-05-20  Jonathan Wakely  <jwakely@redhat.com>
1236
1237	Backported from mainline
1238	2019-05-20  Jonathan Wakely  <jwakely@redhat.com>
1239
1240	PR c++/90532 Ensure __is_constructible(T[]) is false
1241	* method.c (is_xible_helper): Return error_mark_node for construction
1242	of an array of unknown bound.
1243
12442019-05-17  Jakub Jelinek  <jakub@redhat.com>
1245
1246	Backported from mainline
1247	2019-05-15  Jakub Jelinek  <jakub@redhat.com>
1248
1249	PR debug/90197
1250	* cp-gimplify.c (genericize_cp_loop): Emit a DEBUG_BEGIN_STMT
1251	before the condition (or if missing or constant non-zero at the end
1252	of the loop.  Emit a DEBUG_BEGIN_STMT before the increment expression
1253	if any.  Don't call protected_set_expr_location on incr if it already
1254	has a location.
1255
1256	2019-05-10  Jakub Jelinek  <jakub@redhat.com>
1257
1258	PR pch/90326
1259	* config-lang.in (gtfiles): Remove c-family/c-lex.c, add
1260	c-family/c-cppbuiltin.c.
1261
12622019-05-10  Marek Polacek  <polacek@redhat.com>
1263
1264	PR c++/78010 - bogus -Wsuggest-override warning on final function.
1265	* class.c (check_for_override): Don't warn for final functions.
1266
12672019-05-06  Marek Polacek  <polacek@redhat.com>
1268
1269	PR c++/90265 - ICE with generic lambda.
1270	* pt.c (tsubst_copy_and_build): Use a dedicated variable for the last
1271	element in the vector.
1272
12732019-05-06  Paolo Carlini  <paolo.carlini@oracle.com>
1274
1275	PR c++/90173
1276	* decl.c (grokdeclarator): Set type to error_mark_node
1277	upon error about template placeholder type non followed
1278	by a simple declarator-id.
1279
12802019-05-04  Michael Meissner  <meissner@linux.ibm.com>
1281
1282	* ChangeLog.ibm: Delete unintentional commit on the wrong branch.
1283
12842019-05-03  Release Manager
1285
1286	* GCC 9.1.0 released.
1287
12882019-04-24  Jason Merrill  <jason@redhat.com>
1289
1290	PR c++/90227 - error with template parameter packs.
1291	* pt.c (coerce_template_parms): Do add empty pack when
1292	require_all_args.
1293
12942019-04-24  Richard Biener  <rguenther@suse.de>
1295
1296	* call.c (null_ptr_cst_p): Order checks according to expensiveness.
1297	(conversion_null_warnings): Likewise.
1298	* typeck.c (same_type_ignoring_top_level_qualifiers_p): Return
1299	early if type1 == type2.
1300
13012019-04-22  Jason Merrill  <jason@redhat.com>
1302
1303	PR c++/87366 - wrong error with alias template.
1304	* typeck.c (structural_comptypes): When comparing_specializations,
1305	aliases are unequal.
1306	(comptypes): When comparing_specializations, do structural
1307	comparison.
1308
13092019-04-19  Jason Merrill  <jason@redhat.com>
1310
1311	PR c++/90190 - CTAD with list-constructor.
1312	* pt.c (do_class_deduction): Don't try the single element deduction
1313	if the single element is also a braced list.
1314
1315	PR c++/90171 - ICE with destroying delete with size_t parm.
1316	* call.c (sized_deallocation_fn_p): New.  Use it instead of
1317	second_parm_is_size_t in most cases.
1318	(second_parm_is_size_t): Don't check for aligned.
1319
13202019-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
1321
1322	PR c++/89900
1323	* pt.c (fn_type_unification): When handling null explicit
1324	arguments do not special case non-parameter packs.
1325
13262019-04-19  Jakub Jelinek  <jakub@redhat.com>
1327
1328	PR c++/90138
1329	* pt.c (process_template_parm): Set decl to pushdecl result.  If
1330	!is_non_type, also set parm to that.
1331
1332	PR c/89888
1333	* decl.c (struct cp_switch): Remove outside_range_p member.
1334	(push_switch): Don't clear it.
1335	(pop_switch): Adjust c_do_switch_warnings caller.
1336	(finish_case_label): Adjust c_add_case_label caller.
1337
1338	PR c++/90108
1339	* decl.c (duplicate_decls): If remove is main variant and
1340	DECL_ORIGINAL_TYPE is some other type, remove a DECL_ORIGINAL_TYPE
1341	variant that has newdecl as TYPE_NAME if any.
1342
13432019-04-18  Jason Merrill  <jason@redhat.com>
1344
1345	PR c++/87554 - ICE with extern template and reference member.
1346	* decl.c (cp_finish_decl): Don't set DECL_INITIAL of external vars.
1347
13482019-04-17  Jason Merrill  <jason@redhat.com>
1349
1350	PR c++/90047 - ICE with enable_if alias template.
1351	* pt.c (tsubst_decl) [TYPE_DECL]: Don't put an erroneous decl in the
1352	hash table when we're in SFINAE context.
1353
13542019-04-17  Marek Polacek  <polacek@redhat.com>
1355
1356	PR c++/90124 - bogus error with incomplete type in decltype.
1357	* typeck.c (build_class_member_access_expr): Check
1358	cp_unevaluated_operand.
1359
13602019-04-12  Jakub Jelinek  <jakub@redhat.com>
1361
1362	PR c/89933
1363	* decl.c (duplicate_decls): When newdecl's type is its main variant,
1364	don't try to remove it from the variant list, but instead assert
1365	it has no variants.
1366
13672019-04-12  Martin Sebor  <msebor@redhat.com>
1368
1369	PR c/88383
1370	PR c/89288
1371	* parser.c (cp_parser_has_attribute_expression): Handle assignment
1372	expressions.
1373
13742019-04-12  Jason Merrill  <jason@redhat.com>
1375
1376	* call.c (null_member_pointer_value_p): Handle an empty CONSTRUCTOR
1377	of PMF type.
1378
13792019-04-12  Marek Polacek  <polacek@redhat.com>
1380
1381	* except.c (build_noexcept_spec): Use build_converted_constant_bool_expr
1382	instead of perform_implicit_conversion_flags.
1383
1384	PR c++/87603 - constexpr functions are no longer noexcept.
1385	* constexpr.c (is_sub_constant_expr): Remove unused function.
1386	* cp-tree.h (is_sub_constant_expr): Remove declaration.
1387	* except.c (check_noexcept_r): Don't consider a call to a constexpr
1388	function noexcept.
1389
13902019-04-11  Jakub Jelinek  <jakub@redhat.com>
1391
1392	PR translation/90035
1393	* parser.h (struct cp_parser): Add
1394	type_definition_forbidden_message_arg member.
1395	* parser.c (cp_debug_parser): Print it.
1396	(cp_parser_check_type_definition): Pass
1397	parser->type_definition_forbidden_message_arg as second argument to
1398	error.
1399	(cp_parser_has_attribute_expression, cp_parser_sizeof_operand): Set
1400	parser->type_definition_forbidden_message_arg and use G_() with
1401	%qs for parser->type_definition_forbidden_message instead of
1402	building untranslatable message using concat.
1403
14042019-04-09  Jakub Jelinek  <jakub@redhat.com>
1405
1406	PR translation/90011
1407	* typeck2.c (check_narrowing): Remove trailing space from diagnostics.
1408
14092019-04-08  Marek Polacek  <polacek@redhat.com>
1410
1411	* typeck2.c (digest_init_r): Don't condition the object slicing warning
1412	on flag_checking.
1413
14142019-04-08  Paolo Carlini  <paolo.carlini@oracle.com>
1415
1416	PR c++/89914
1417	* semantics.c (trait_expr_value): Don't use TYPE_NOTHROW_P
1418	when maybe_instantiate_noexcept fails.
1419	(classtype_has_nothrow_assign_or_copy_p): Likewise.
1420	* method.c (implicitly_declare_fn): Avoid passing error_mark_node
1421	to build_exception_variant.
1422
14232019-04-05  Marek Polacek  <polacek@redhat.com>
1424
1425	PR c++/87145 - bogus error converting class type in template arg list.
1426	* pt.c (convert_nontype_argument): Don't call
1427	build_converted_constant_expr if it could involve calling a conversion
1428	function with a instantiation-dependent constructor as its argument.
1429
14302019-04-05  Martin Sebor  <msebor@redhat.com>
1431
1432	PR bootstrap/89980
1433	* decl.c (reshape_init_array_1): Avoid treating empty strings
1434	as zeros in array initializers.
1435	Use trivial_type_p () instead of TYPE_HAS_TRIVIAL_DFLT().
1436
14372019-04-04  Jason Merrill  <jason@redhat.com>
1438
1439	PR c++/89948 - ICE with break in statement-expr.
1440	* constexpr.c (cxx_eval_statement_list): Jumping out of a
1441	statement-expr is non-constant.
1442
14432019-04-04  Jason Merrill  <jason@redhat.com>
1444
1445	PR c++/89966 - error with non-type auto tparm.
1446	* pt.c (do_auto_deduction): Clear tf_partial.
1447
14482019-04-04  Jason Merrill  <jason@redhat.com>
1449
1450	PR c++/86986 - ICE with TTP with parameter pack.
1451	* pt.c (coerce_template_parameter_pack): Only look at the type of a
1452	non-type parameter pack.
1453	(fixed_parameter_pack_p_1): Don't recurse into the type of a
1454	non-type parameter pack.
1455	(coerce_template_template_parms): Call add_outermost_template_args.
1456
14572019-04-04  Martin Sebor  <msebor@redhat.com>
1458
1459	PR c++/89974
1460	PR c++/89878
1461	PR c++/89833
1462	PR c++/47488
1463	* decl.c (reshape_init_array_1): Strip trailing zero-initializers
1464	from arrays of trivial type and known size.
1465        * mangle.c (write_expression): Convert braced initializer lists
1466        to STRING_CSTs.
1467	(write_expression): Trim trailing zero-initializers from arrays
1468	of trivial type.
1469        (write_template_arg_literal): Mangle strings the same as braced
1470        initializer lists.
1471
14722019-04-03  Jason Merrill  <jason@redhat.com>
1473
1474	PR c++/81866 - ICE with member template and default targ.
1475	* pt.c (tsubst_template_decl): Handle getting a type from
1476	retrieve_specialization.
1477
1478	PR c++/86586 - -fcompare-debug=-Wsign-compare.
1479	* typeck.c (cp_build_binary_op): Don't fold for -Wsign-compare.
1480
1481	PR c++/89331 - ICE with offsetof in incomplete class.
1482	* semantics.c (finish_offsetof): Handle error_mark_node.
1483	* typeck.c (build_class_member_access_expr): Call
1484	complete_type_or_maybe_complain before converting to base.
1485
1486	PR c++/89917 - ICE with lambda in variadic mem-init.
1487	* pt.c (make_pack_expansion): Change type_pack_expansion_p to false.
1488
14892019-04-01  Jason Merrill  <jason@redhat.com>
1490
1491	PR c++/86946 - ICE with function call in template argument.
1492	DR 1321
1493	* pt.c (iterative_hash_template_arg) [CALL_EXPR]: Use
1494	dependent_name.
1495
14962019-04-01  Paolo Carlini  <paolo.carlini@oracle.com>
1497
1498	PR c++/62207
1499	* pt.c (tsubst_copy): Deal with lookup_name not returing a variable.
1500
15012019-03-31  Marek Polacek  <polacek@redhat.com>
1502
1503	PR c++/89852 - ICE with C++11 functional cast with { }.
1504	* constexpr.c (fold_non_dependent_expr_template): New static function
1505	broken out of...
1506	(fold_non_dependent_expr): ...here.
1507	(fold_non_dependent_init): New function.
1508	* cp-tree.h (fold_non_dependent_init): Declare.
1509	* typeck2.c (massage_init_elt): Call fold_non_dependent_init instead
1510	of fold_non_dependent_expr.  Don't call maybe_constant_init.
1511
15122019-03-30  Jason Merrill  <jason@redhat.com>
1513
1514	PR c++/89744 - ICE with specialization of member class template.
1515	* pt.c (lookup_template_class_1): If the partial instantiation is
1516	explicitly specialized, adjust.
1517	(maybe_process_partial_specialization): Also adjust
1518	CLASSTYPE_TI_ARGS.
1519
15202019-03-29  Jakub Jelinek  <jakub@redhat.com>
1521
1522	PR sanitizer/89869
1523	* typeck.c: Include gimplify.h.
1524	(cp_build_modify_expr) <case COND_EXPR>: Unshare rhs before using it
1525	for second time.  Formatting fixes.
1526
15272019-03-29  Marek Polacek  <polacek@redhat.com>
1528
1529	PR c++/89876 - ICE with deprecated conversion.
1530	* call.c (convert_like_real): Only give warnings with tf_warning.
1531
15322019-03-28  Marek Polacek  <polacek@redhat.com>
1533
1534	PR c++/89612 - ICE with member friend template with noexcept.
1535	* pt.c (maybe_instantiate_noexcept): For function templates, use their
1536	template result (function decl).  Don't set up local specializations.
1537	Temporarily turn on processing_template_decl.  Update the template type
1538	too.
1539
1540	PR c++/89836 - bool constant expression and explicit conversions.
1541	* call.c (build_converted_constant_expr_internal): New function,
1542	renamed from...
1543	(build_converted_constant_expr): ...this.  New.
1544	(build_converted_constant_bool_expr): New.
1545	* cp-tree.h (build_converted_constant_bool_expr): Declare.
1546	* decl.c (build_explicit_specifier): Call
1547	build_converted_constant_bool_expr.
1548
15492019-03-28  Jakub Jelinek  <jakub@redhat.com>
1550
1551	PR c++/89785
1552	* constexpr.c (struct check_for_return_continue_data): New type.
1553	(check_for_return_continue): New function.
1554	(potential_constant_expression_1) <case SWITCH_STMT>: Walk
1555	SWITCH_STMT_BODY to find RETURN_EXPRs or CONTINUE_STMTs not nested
1556	in loop bodies and set *jump_target to that if found.
1557
15582019-03-27  Jason Merrill  <jason@redhat.com>
1559
1560	PR c++/89831 - error with qualified-id in const member function.
1561	* semantics.c (finish_non_static_data_member): Use object cv-quals
1562	in scoped case, too.
1563
1564	PR c++/89421 - ICE with lambda in template parameter list.
1565	* parser.c (cp_parser_lambda_expression): Also reject a lambda in a
1566	template parameter list before C++20.
1567	* pt.c (type_dependent_expression_p): True for LAMBDA_EXPR.
1568	* semantics.c (begin_class_definition): Restore error about defining
1569	non-lambda class in template parm list.
1570
15712019-03-26  Jason Merrill  <jason@redhat.com>
1572
1573	PR c++/86932 - missed SFINAE with empty pack.
1574	* pt.c (coerce_template_parms): Don't add an empty pack if
1575	tf_partial.
1576	(fn_type_unification): Pass tf_partial to coerce_template_parms.
1577
1578	PR c++/86429 - constexpr variable in lambda.
1579	PR c++/82643
1580	PR c++/87327
1581	* constexpr.c (cxx_eval_constant_expression): In a lambda function,
1582	try evaluating the captured variable directly.
1583
15842019-03-26  Jakub Jelinek  <jakub@redhat.com>
1585
1586	PR c++/89796
1587	* semantics.c (finish_omp_atomic): Add warning_sentinel for
1588	-Wunused-value around finish_expr_stmt call.
1589
15902019-03-25  Paolo Carlini  <paolo.carlini@oracle.com>
1591
1592	PR c++/84661
1593	PR c++/85013
1594	* parser.c (cp_parser_binary_expression): Don't call cp_fully_fold
1595	to undo the disabling of warnings.
1596
15972019-03-25  Jason Merrill  <jason@redhat.com>
1598
1599	PR c++/87748 - substitution failure error with decltype.
1600	* pt.c (most_specialized_partial_spec): Clear
1601	processing_template_decl.
1602
16032019-03-25  Marek Polacek  <polacek@redhat.com>
1604
1605	PR c++/89214 - ICE when initializing aggregates with bases.
1606	* typeck2.c (digest_init_r): Warn about object slicing instead of
1607	crashing.
1608
1609	PR c++/89705 - ICE with reference binding with conversion function.
1610	* call.c (reference_binding): If the result of the conversion function
1611	is a prvalue of non-class type, use the cv-unqualified type.
1612
16132019-03-25  Nathan Sidwell  <nathan@acm.org>
1614
1615	* lambda.c (maybe_add_lambda_conv_op): Don't add to comdat group.
1616
16172019-03-22  Jakub Jelinek  <jakub@redhat.com>
1618
1619	PR c++/60702
1620	* cp-tree.h (get_tls_wrapper_fn): Remove declaration.
1621	(maybe_get_tls_wrapper_call): Declare.
1622	* decl2.c (get_tls_wrapper_fn): Make static.
1623	(maybe_get_tls_wrapper_call): New function.
1624	* typeck.c (build_class_member_access_expr): Handle accesses to TLS
1625	variables.
1626	* semantics.c (finish_qualified_id_expr): Likewise.
1627	(finish_id_expression_1): Use maybe_get_tls_wrapper_call.
1628	* pt.c (tsubst_copy_and_build): Likewise.
1629
1630	PR c++/87481
1631	* constexpr.c (struct constexpr_ctx): Add constexpr_ops_count member.
1632	(cxx_eval_constant_expression): When not skipping, not constant class
1633	or location wrapper, increment *ctx->constexpr_ops_count and if it is
1634	above constexpr_loop_nest_limit, diagnose failure.
1635	(cxx_eval_outermost_constant_expr): Add constexpr_ops_count and
1636	initialize ctx.constexpr_ops_count to its address.
1637	(is_sub_constant_expr): Likewise.
1638
16392019-03-21  Jakub Jelinek  <jakub@redhat.com>
1640
1641	PR c++/71446
1642	* call.c (filed_in_pset): Change pset from hash_set<tree> * to
1643	hash_set<tree, true> &, adjust uses accordingly.
1644	(build_aggr_conv): Change pset from hash_set<tree> *
1645	to hash_set<tree, true>.  Replace goto fail; with return NULL;,
1646	adjust pset uses.
1647
1648	PR c++/89767
1649	* parser.c (cp_parser_lambda_introducer): Add ids and first_capture_id
1650	variables, check for duplicates in this function.
1651	* lambda.c (add_capture): Don't check for duplicates nor use
1652	IDENTIFIER_MARKED.
1653	(register_capture_members): Don't clear IDENTIFIER_MARKED here.
1654
16552019-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1656
1657	PR c++/89571
1658	* method.c (after_nsdmi_defaulted_late_checks): Avoid passing
1659	error_mark_node to comp_except_specs.
1660
16612019-03-20  Jason Merrill  <jason@redhat.com>
1662
1663	PR c++/87480 - decltype of member access in default template arg
1664	* pt.c (type_unification_real): Accept a dependent result in
1665	template context.
1666
16672019-03-19  Martin Sebor  <msebor@redhat.com>
1668
1669	PR tree-optimization/89688
1670	* typeck2.c (store_init_value): Call braced_lists_to_string for more
1671	kinds of initializers.
1672
16732019-03-18  Jason Merrill  <jason@redhat.com>
1674
1675	PR c++/89630 - ICE with dependent using-decl as template arg.
1676	* tree.c (cp_tree_equal): Always return false for USING_DECL.
1677
1678	PR c++/89761 - ICE with sizeof... in pack expansion.
1679	* pt.c (argument_pack_element_is_expansion_p): Handle
1680	ARGUMENT_PACK_SELECT.
1681
1682	PR c++/89640 - GNU attributes on lambda.
1683	* parser.c (cp_parser_lambda_declarator_opt): Allow GNU attributes.
1684
1685	PR c++/89682 - wrong access error in default argument.
1686	* pt.c (tsubst_default_argument): Don't defer access checks.
1687
16882019-03-18  Paolo Carlini  <paolo.carlini@oracle.com>
1689
1690	PR c++/85014
1691	* semantics.c (finish_non_static_data_member): Check return value
1692	of context_for_name_lookup and immediately return error_mark_node
1693	if isn't a type.
1694
16952019-03-17  Jason Merrill  <jason@redhat.com>
1696
1697	PR c++/89571 - ICE with ill-formed noexcept on constructor.
1698	* pt.c (maybe_instantiate_noexcept): Only return false if defaulted.
1699	(regenerate_decl_from_template): Use it for noexcept-specs.
1700
17012019-03-14  Jason Merrill  <jason@redhat.com>
1702
1703	* parser.c (cp_parser_decl_specifier_seq): Support C++20
1704	concept-definition syntax without 'bool'.
1705
17062019-03-14  Jakub Jelinek  <jakub@redhat.com>
1707
1708	PR c++/89512
1709	* semantics.c (finish_qualified_id_expr): Reject variable templates.
1710
1711	PR c++/89652
1712	* constexpr.c (struct constexpr_ctx): Change save_exprs type from
1713	hash_set<tree> to vec<tree>.
1714	(cxx_eval_call_expression): Adjust for save_exprs being a vec instead
1715	of hash_set.
1716	(cxx_eval_loop_expr): Likewise.  Truncate the vector after each
1717	removal of SAVE_EXPRs from values.
1718	(cxx_eval_constant_expression) <case SAVE_EXPR>: Call safe_push
1719	method on save_exprs instead of add.
1720
17212019-03-13  Jason Merrill  <jason@redhat.com>
1722
1723	PR c++/86521 - C++17 copy elision in initialization by constructor.
1724	* call.c (joust_maybe_elide_copy): New.
1725	(joust): Call it.
1726
17272019-03-13  Marek Polacek  <polacek@redhat.com>
1728
1729	PR c++/88979 - further P0634 fix for constructors.
1730	* parser.c (cp_parser_decl_specifier_seq): Pass flags to
1731	cp_parser_constructor_declarator_p.
1732	(cp_parser_direct_declarator): Allow missing typename for constructor
1733	parameters.
1734	(cp_parser_constructor_declarator_p): Add FLAGS parameter.  Pass it to
1735	cp_parser_type_specifier.
1736
1737	PR c++/89686 - mixing init-capture and simple-capture in lambda.
1738	* parser.c (cp_parser_lambda_introducer): Give error when combining
1739	init-capture and simple-capture.
1740
1741	PR c++/89660 - bogus error with -Wredundant-move.
1742	* typeck.c (maybe_warn_pessimizing_move): Only accept (T &) &arg
1743	as the std::move's argument.  Don't call convert_for_initialization
1744	when warn_redundant_move isn't on.
1745
17462019-03-11  Jason Merrill  <jason@redhat.com>
1747
1748	PR c++/86521 - wrong overload resolution with ref-qualifiers.
1749	* call.c (build_user_type_conversion_1): Don't use a conversion to a
1750	reference of the wrong rvalueness for direct binding.
1751
17522019-03-11  Martin Liska  <mliska@suse.cz>
1753
1754	* cvt.c (build_expr_type_conversion): Wrap apostrophes
1755	in gcc internal format with %'.
1756	* decl.c (check_no_redeclaration_friend_default_args): Likewise.
1757	(grokfndecl): Likewise.
1758	* name-lookup.c (do_pushtag): Likewise.
1759	* pt.c (unify_parameter_deduction_failure): Likewise.
1760	(unify_template_deduction_failure): Likewise.
1761
17622019-03-11  Martin Liska  <mliska@suse.cz>
1763
1764	* call.c (convert_arg_to_ellipsis): Wrap an option name
1765	in a string format message and fix GNU coding style.
1766	(build_over_call): Likewise.
1767	* class.c (check_field_decl): Likewise.
1768	(layout_nonempty_base_or_field): Likewise.
1769	* constexpr.c (cxx_eval_loop_expr): Likewise.
1770	* cvt.c (type_promotes_to): Likewise.
1771	* decl.c (cxx_init_decl_processing): Likewise.
1772	(mark_inline_variable): Likewise.
1773	(grokdeclarator): Likewise.
1774	* decl2.c (record_mangling): Likewise.
1775	* error.c (maybe_warn_cpp0x): Likewise.
1776	* except.c (doing_eh): Likewise.
1777	* mangle.c (maybe_check_abi_tags): Likewise.
1778	* parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1779	(cp_parser_userdef_numeric_literal): Likewise.
1780	(cp_parser_primary_expression): Likewise.
1781	(cp_parser_unqualified_id): Likewise.
1782	(cp_parser_pseudo_destructor_name): Likewise.
1783	(cp_parser_builtin_offsetof): Likewise.
1784	(cp_parser_lambda_expression): Likewise.
1785	(cp_parser_lambda_introducer): Likewise.
1786	(cp_parser_lambda_declarator_opt): Likewise.
1787	(cp_parser_selection_statement): Likewise.
1788	(cp_parser_init_statement): Likewise.
1789	(cp_parser_decomposition_declaration): Likewise.
1790	(cp_parser_function_specifier_opt): Likewise.
1791	(cp_parser_static_assert): Likewise.
1792	(cp_parser_simple_type_specifier): Likewise.
1793	(cp_parser_namespace_definition): Likewise.
1794	(cp_parser_using_declaration): Likewise.
1795	(cp_parser_ctor_initializer_opt_and_function_body): Likewise.
1796	(cp_parser_initializer_list): Likewise.
1797	(cp_parser_type_parameter_key): Likewise.
1798	(cp_parser_member_declaration): Likewise.
1799	(cp_parser_try_block): Likewise.
1800	(cp_parser_std_attribute_spec): Likewise.
1801	(cp_parser_requires_clause_opt): Likewise.
1802	* pt.c (check_template_variable): Likewise.
1803	(check_default_tmpl_args): Likewise.
1804	(push_tinst_level_loc): Likewise.
1805	(instantiate_pending_templates): Likewise.
1806	(invalid_nontype_parm_type_p): Likewise.
1807	* repo.c (get_base_filename): Likewise.
1808	* rtti.c (typeid_ok_p): Likewise.
1809	(build_dynamic_cast_1): Likewise.
1810	* tree.c (maybe_warn_parm_abi): Likewise.
1811
18122019-03-08  Jakub Jelinek  <jakub@redhat.com>
1813
1814	PR other/80058
1815	* parser.c (cp_parser_template_declaration_after_parameters): Avoid
1816	one space before " at the end of line and another after " on another
1817	line in a string literal.
1818
1819	PR tree-optimization/89550
1820	* semantics.c (maybe_convert_cond): Only set TREE_NO_WARNING if
1821	warning_at returned true.
1822	* decl2.c (c_parse_final_cleanups): Likewise.
1823	* typeck.c (convert_for_assignment): Likewise.
1824	* decl.c (finish_function): Likewise.
1825
1826	PR c++/89585
1827	* parser.c (cp_parser_asm_definition): Just warn instead of error
1828	on volatile qualifier outside of function body.
1829
1830	PR c++/89599
1831	* constexpr.c (potential_constant_expression_1): Reject
1832	REINTERPRET_CAST_P NOP_EXPRs.
1833
1834	PR c++/89622
1835	* call.c (joust): Call print_z_candidate only if pedwarn returned
1836	true.
1837
18382019-03-07  Jason Merrill  <jason@redhat.com>
1839
1840	PR c++/88123 - lambda and using-directive.
1841	* name-lookup.c (op_unqualified_lookup)
1842	(maybe_save_operator_binding, discard_operator_bindings)
1843	(push_operator_bindings): New.
1844	* typeck.c (build_x_binary_op, build_x_unary_op): Call
1845	maybe_save_operator_binding.
1846	* decl.c (start_preparsed_function): Call push_operator_bindings.
1847	* tree.c (cp_free_lang_data): Call discard_operator_bindings.
1848
1849	PR c++/88820 - ICE with CTAD and member template used in DMI.
1850	* pt.c (do_class_deduction): Handle parm used as its own arg.
1851
18522019-03-07  Jakub Jelinek  <jakub@redhat.com>
1853
1854	PR c++/89585
1855	* parser.c (cp_parser_asm_definition): Parse asm qualifiers even
1856	at toplevel, but diagnose them.
1857
18582019-03-06  Jason Merrill  <jason@redhat.com>
1859
1860	PR c++/89381 - implicit copy and using-declaration.
1861	* class.c (classtype_has_move_assign_or_move_ctor_p): Don't consider
1862	op= brought in by a using-declaration.
1863
18642019-03-06  Jakub Jelinek  <jakub@redhat.com>
1865
1866	PR c++/87148
1867	* init.c (build_value_init_noctor): Ignore flexible array members.
1868
18692019-03-06  Jason Merrill  <jason@redhat.com>
1870
1871	PR c++/89576 - if constexpr of lambda capture.
1872	* semantics.c (maybe_convert_cond): Do convert a non-dependent
1873	condition in a template.
1874	* typeck.c (condition_conversion): Handle being called in a
1875	template.
1876
18772019-03-06  Marek Polacek  <polacek@redhat.com>
1878
1879	PR c++/87378 - bogus -Wredundant-move warning.
1880	* typeck.c (maybe_warn_pessimizing_move): See if the maybe-rvalue
1881	overload resolution would actually succeed.
1882
18832019-03-05  Jason Merrill  <jason@redhat.com>
1884
1885	* class.c (is_really_empty_class): Add ignore_vptr parm.
1886	(trivial_default_constructor_is_constexpr): Pass it.
1887	* call.c (build_over_call): Pass it.
1888	* constexpr.c (cxx_eval_constant_expression): Pass it instead of
1889	checking TYPE_POLYMORPHIC_P.
1890	(cxx_eval_component_reference, potential_constant_expression_1):
1891	Pass it.
1892	* cp-gimplify.c (simple_empty_class_p): Pass it.
1893	* init.c (expand_aggr_init_1): Pass it.
1894
18952019-03-04  Paolo Carlini  <paolo.carlini@oracle.com>
1896
1897	PR c++/84605
1898	* parser.c (cp_parser_class_head): Reject TYPE_BEING_DEFINED too.
1899
19002019-03-04  Jakub Jelinek  <jakub@redhat.com>
1901
1902	PR c++/71446
1903	* call.c (field_in_pset): New function.
1904	(build_aggr_conv): Handle CONSTRUCTOR_IS_DESIGNATED_INIT correctly.
1905
19062019-03-02  Jakub Jelinek  <jakub@redhat.com>
1907
1908	PR c++/71446
1909	* cp-tree.h (CONSTRUCTOR_IS_DESIGNATED_INIT): Define.
1910	* parser.c (cp_parser_braced_list): Adjust cp_parser_initializer_list
1911	caller, set CONSTRUCTOR_IS_DESIGNATED_INIT.
1912	(cp_parser_initializer_list): Add designated parameter, set *designated
1913	to a bool whether any designators were parsed.
1914	* decl.c (reshape_init): Copy over CONSTRUCTOR_IS_DESIGNATED_INIT if
1915	needed.
1916	* pt.c (tsubst_copy_and_build): Likewise.
1917	* call.c (implicit_conversion): If CONSTRUCTOR_IS_DESIGNATED_INIT,
1918	don't call build_list_conv, nor build_complex_conv, nor attempt to
1919	convert a single element initializer to scalar.
1920
19212019-03-01  Marek Polacek  <polacek@redhat.com>
1922
1923	PR c++/89537 - missing location for error with non-static member fn.
1924	* call.c (resolve_args): Use EXPR_LOCATION.
1925	* typeck.c (build_class_member_access_expr): Use input_location.
1926
1927	PR c++/89532 - ICE with incomplete type in decltype.
1928	* semantics.c (finish_compound_literal): Return error_mark_node
1929	if digest_init_flags returns error_mark_node.
1930
19312019-03-01  Jakub Jelinek  <jakub@redhat.com>
1932
1933	Implement P1002R1, Try-catch blocks in constexpr functions
1934	PR c++/89513
1935	* parser.c (cp_parser_ctor_initializer_opt_and_function_body):
1936	Diagnose constexpr ctor or function with function-try-block with
1937	pedwarn for c++17 and earlier.  Formatting fix.
1938	(cp_parser_try_block): Use pedwarn instead of error and only for
1939	c++17 and earlier when try block appears in constexpr function.
1940	* constexpr.c (build_constexpr_constructor_member_initializers):
1941	Handle TRY_BLOCK here instead of erroring on it.
1942
19432019-02-28  Jason Merrill  <jason@redhat.com>
1944
1945	PR c++/88183 - ICE with .* fold-expression.
1946	* pt.c (fold_expression) [DOTSTAR_EXPR]: Remove special handling.
1947
1948	PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
1949	* class.c, lambda.c, pt.c: Revert earlier change.
1950	* lambda.c (add_capture): Don't special-case capture of dependent
1951	VLA.
1952
1953	* name-lookup.c (print_binding_level): Print this_entity.
1954
19552019-02-27  Marek Polacek  <polacek@redhat.com>
1956
1957	PR c++/88857 - ICE with value-initialization of argument in template.
1958	* call.c (convert_like_real): Don't call build_value_init in template.
1959
19602019-02-27  Jason Merrill  <jason@redhat.com>
1961
1962	PR c++/86969 - ICE with constexpr if and recursive generic lambdas.
1963	* semantics.c (process_outer_var_ref): Do capture dependent vars.
1964	* class.c (finish_struct): Only add TAG_DEFN if T is in
1965	current_function_decl.
1966	* lambda.c (vla_capture_type): Force the capture type out into the
1967	lambda's enclosing function.
1968	(add_capture): Pass in the lambda.
1969	* pt.c (tsubst_lambda_expr): complete_type a VLA capture type.
1970
19712019-02-27  Marek Polacek  <polacek@redhat.com>
1972
1973	PR c++/89511 - ICE with using-declaration and unscoped enumerator.
1974	* parser.c (cp_parser_using_declaration): For an unscoped enum
1975	only use its context if it's not a function declaration.
1976
19772019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>
1978
1979	PR c++/89488
1980	* method.c (process_subob_fn): When maybe_instantiate_noexcept
1981	returns false don't call merge_exception_specifiers.
1982
19832019-02-27  Paolo Carlini  <paolo.carlini@oracle.com>
1984
1985	PR c++/88987
1986	* parser.c (cp_parser_noexcept_specification_opt): Return NULL_TREE
1987	for a non-constant parsed expression.
1988
19892019-02-26  Jakub Jelinek  <jakub@redhat.com>
1990
1991	PR c++/89481
1992	* constexpr.c (cxx_eval_store_expression): When changing active union
1993	member, set no_zero_init.
1994
19952019-02-23  Marek Polacek  <polacek@redhat.com>
1996
1997	PR c++/88294 - ICE with non-constant noexcept-specifier.
1998	* pt.c (maybe_instantiate_noexcept): Set up the list of local
1999	specializations.  Set current_class_{ptr,ref}.
2000
20012019-02-22  David Malcolm  <dmalcolm@redhat.com>
2002
2003	PR c++/89390
2004	* parser.c (cp_parser_unqualified_id): Capture and use locations
2005	for destructors.
2006
20072019-02-22  Marek Polacek  <polacek@redhat.com>
2008
2009	PR c++/89420 - ICE with CAST_EXPR in explicit-specifier.
2010	* decl.c (build_explicit_specifier): Don't check
2011	processing_template_decl.  Call instantiation_dependent_expression_p
2012	instead of value_dependent_expression_p.  Call
2013	instantiate_non_dependent_expr_sfinae before
2014	build_converted_constant_expr instead of calling
2015	instantiate_non_dependent_expr after it.  Add
2016	processing_template_decl_sentinel.
2017
20182019-02-22  Thomas Schwinge  <thomas@codesourcery.com>
2019
2020	* parser.c (cp_parser_oacc_simple_clause): Remove parser formal
2021	parameter, move loc formal parameter to the front.  Adjust all
2022	users.
2023	(cp_parser_oacc_shape_clause): Add loc formal parameter.  Adjust
2024	all users.
2025
20262019-02-21  Jason Merrill  <jason@redhat.com>
2027
2028	PR c++/87685 - generic lambda 'this' capture error.
2029	* lambda.c (lambda_expr_this_capture): Change add_capture_p to int.
2030	(maybe_generic_this_capture): Pass -1.
2031
2032	PR c++/88394 - ICE with VLA init-capture.
2033	* lambda.c (is_normal_capture_proxy): Check DECL_CAPTURED_VARIABLE.
2034
2035	PR c++/88869 - C++17 ICE with CTAD and explicit specialization.
2036	* pt.c (do_class_deduction): Don't include explicit specialization
2037	args in outer_args.
2038
2039	PR c++/89422 - ICE with -g and lambda in default arg in template.
2040	* pt.c (tsubst_function_decl): SET_DECL_FRIEND_CONTEXT sooner.
2041
20422019-02-21  Jason Merrill  <jason@redhat.com>
2043
2044	PR c++/88419 - C++17 ICE with class template arg deduction.
2045	* pt.c (make_template_placeholder): Set TYPE_CANONICAL after
2046	CLASS_PLACEHOLDER_TEMPLATE.
2047
20482019-02-21  Jakub Jelinek  <jakub@redhat.com>
2049
2050	PR c++/89285
2051	* constexpr.c (struct constexpr_fundef): Add parms and result members.
2052	(retrieve_constexpr_fundef): Adjust for the above change.
2053	(register_constexpr_fundef): Save constexpr body with copy_fn,
2054	temporarily set DECL_CONTEXT on DECL_RESULT before that.
2055	(get_fundef_copy): Change FUN argument to FUNDEF with
2056	constexpr_fundef * type, grab body and parms/result out of
2057	constexpr_fundef struct and temporarily change it for copy_fn calls
2058	too.
2059	(cxx_eval_builtin_function_call): For __builtin_FUNCTION temporarily
2060	adjust current_function_decl from ctx->call context.  Test
2061	!potential_constant_expression instead of !is_constant_expression.
2062	(cxx_bind_parameters_in_call): Grab parameters from new_call.  Undo
2063	convert_for_arg_passing changes for TREE_ADDRESSABLE type passing.
2064	(cxx_eval_call_expression): Adjust get_fundef_copy caller.
2065	(cxx_eval_conditional_expression): For IF_STMT, allow then or else
2066	operands to be NULL.
2067	(label_matches): Handle BREAK_STMT and CONTINUE_STMT.
2068	(cxx_eval_loop_expr): Add support for FOR_STMT, WHILE_STMT and DO_STMT.
2069	(cxx_eval_switch_expr): Add support for SWITCH_STMT.
2070	(cxx_eval_constant_expression): Handle IF_STMT, FOR_STMT, WHILE_STMT,
2071	DO_STMT, CONTINUE_STMT, SWITCH_STMT, BREAK_STMT and CONTINUE_STMT.
2072	For SIZEOF_EXPR, recurse on the result of fold_sizeof_expr.  Ignore
2073	DECL_EXPR with USING_DECL operand.
2074	* lambda.c (maybe_add_lambda_conv_op): Build thisarg using
2075	build_int_cst to make it a valid constant expression.
2076
20772019-02-20  Jason Merrill  <jason@redhat.com>
2078
2079	PR c++/88690 - C++17 ICE with empty base in aggregate.
2080	* typeck2.c (process_init_constructor_record): Skip trivial
2081	initialization of an empty base.
2082
20832019-02-21  Richard Biener  <rguenther@suse.de>
2084
2085	PR middle-end/89392
2086	* vtable-class-hierarchy.c (vtv_generate_init_routine): Do not
2087	make symtab process new functions here.
2088
20892019-02-20  Jason Merrill  <jason@redhat.com>
2090
2091	PR c++/87921 - wrong error with inline static data member.
2092	* decl2.c (finish_static_data_member_decl): Don't set DECL_IN_AGGR_P
2093	for a non-template inline variable.  Do nothing for an
2094	already-instantiated variable.
2095	(c_parse_final_cleanups): Check DECL_IN_AGGR_P without
2096	DECL_INLINE_VAR_P.
2097	* decl.c (check_initializer): Likewise.
2098	(make_rtl_for_nonlocal_decl): Likewise.
2099	* pt.c (instantiate_decl): Likewise.
2100	* typeck2.c (store_init_value): Likewise.
2101
21022019-02-20  Jakub Jelinek  <jakub@redhat.com>
2103
2104	PR c++/89403
2105	* decl2.c (c_parse_final_cleanups): Move TREE_ASM_WRITTEN setting
2106	for flag_syntax_only from here...
2107	* semantics.c (expand_or_defer_fn_1): ... here.
2108
2109	PR c++/89405
2110	* decl.c (maybe_commonize_var): When clearing TREE_PUBLIC and
2111	DECL_COMMON, set DECL_INTERFACE_KNOWN.
2112
2113	PR c++/89336
2114	* constexpr.c (cxx_eval_store_expression): Diagnose changing of active
2115	union member for -std=c++17 and earlier.
2116
21172019-02-19  Jason Merrill  <jason@redhat.com>
2118
2119	PR c++/87513 - 'sorry' mangling PMF template-id.
2120	* mangle.c (write_expression): Handle SCOPE_REF to BASELINK.
2121
21222019-02-19  Jason Merrill  <jason@redhat.com>
2123
2124	PR c++/88380 - wrong-code with flexible array and NSDMI.
2125	* typeck2.c (process_init_constructor_record): Skip flexarrays.
2126
21272019-02-20  will wray  <wjwray@gmail.com>
2128
2129	PR c++/88572 - wrong handling of braces on scalar init.
2130	* decl.c (reshape_init_r): Allow braces around scalar initializer
2131	within aggregate init.  Reject double braced-init of scalar
2132	variable.
2133
21342019-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2135
2136	PR c++/84536
2137	* pt.c (tsubst_init): Diagnose an initializer expanding to an
2138	empty list of expressions; tweak wrt dependent types.
2139	(regenerate_decl_from_template): For VAR_DECLs call tsubst_init
2140	instead of tsubst_expr.
2141
21422019-02-19  Jason Merrill  <jason@redhat.com>
2143
2144	PR c++/88368 - wrong 'use of deleted function'
2145	* method.c (walk_field_subobs): Remember errors from get_nsdmi.
2146	(get_defaulted_eh_spec): Call push_tinst_level.
2147	* pt.c (maybe_instantiate_noexcept): Keep error_mark_node.
2148	* typeck2.c (merge_exception_specifiers): Handle error_mark_node.
2149
21502019-02-19  Chung-Lin Tang <cltang@codesourcery.com>
2151
2152	PR c/87924
2153	* parser.c (cp_parser_oacc_clause_wait): Add representation of wait
2154	clause without argument as 'wait (GOMP_ASYNC_NOVAL)', adjust comments.
2155
21562019-02-19  Jakub Jelinek  <jakub@redhat.com>
2157
2158	PR c++/89387
2159	* lambda.c (maybe_generic_this_capture): Don't check
2160	DECL_NONSTATIC_MEMBER_FUNCTION_P on USING_DECLs.
2161
2162	PR c++/89391
2163	* typeck.c (build_reinterpret_cast_1): Don't handle void to
2164	&& conversion go through build_target_expr_with_type.
2165
2166	PR c++/89390
2167	* error.c (qualified_name_lookup_error): Only call
2168	suggest_alternative_in_scoped_enum if name is IDENTIFIER_NODE.
2169
21702019-02-19  Tom Honermann  <tom@honermann.net>
2171
2172	* name-lookup.c (get_std_name_hint): Added u8string as a name hint.
2173
21742019-02-18  Jason Merrill  <jason@redhat.com>
2175
2176	PR c++/89336 - multiple stores in constexpr stmt.
2177	* constexpr.c (cxx_eval_store_expression): Preevaluate scalar or
2178	assigned value.
2179
2180	* pt.c (check_explicit_specialization): If the declarator is a
2181	template-id, only check whether the arguments are dependent.
2182
2183	Improve duplicate [[likely]] diagnostic.
2184	* parser.c (cp_parser_statement): Make attrs_loc a range.  Pass it
2185	to process_stmt_hotness_attribute.
2186	* cp-gimplify.c (process_stmt_hotness_attribute): Take attrs_loc.
2187	(genericize_if_stmt): Use likely/unlikely instead of predictor_name.
2188
21892019-02-17  Marek Polacek  <polacek@redhat.com>
2190
2191	PR c++/89217 - ICE with list-initialization in range-based for loop.
2192	* constexpr.c (unshare_constructor): No longer static.
2193	* cp-tree.h (unshare_constructor): Declare.
2194	* semantics.c (finish_compound_literal): When dealing with a
2195	non-dependent expression in a template, return the original
2196	expression.  Pass LOOKUP_NO_NARROWING to digest_init_flags.
2197
21982019-02-13  Marek Polacek  <polacek@redhat.com>
2199
2200	PR c++/89297 - ICE with OVERLOAD in template.
2201	* semantics.c (finish_compound_literal): Call
2202	instantiate_non_dependent_expr_sfinae.
2203
22042019-02-13  Alexandre Oliva <aoliva@redhat.com>
2205
2206	PR c++/86379
2207	* cp-tree.h (USING_DECL_SCOPE): Use result rather than type.
2208	* name-lookup.c (strip_using_decl): Use USING_DECL_SCOPE.
2209	* search.c (protected_accessible_p): Follow USING_DECL_DECLS.
2210	(shared_member_p): Likewise.
2211	(lookup_member): Likewise.
2212	* decl.c (grok_special_member_properties): Skip USING_DECLs.
2213	* semantics.c (finish_omp_declare_simd_methods): Likewise.
2214	(finish_qualified_id_expr): Do not call shared_member_p with
2215	a dependent expr.
2216
2217	PR c++/87322
2218	* pt.c (tsubst_lambda_expr): Avoid duplicate tsubsting.
2219	Move cp_evaluated resetting before signature tsubsting.
2220	(gen_elem_of_pack_expansion_instantiation): Separate local
2221	specializations per index.
2222
22232019-02-13  David Malcolm  <dmalcolm@redhat.com>
2224
2225	PR c++/89036
2226	* class.c (add_method): Drop destructor assertion.
2227
22282019-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2229
2230	PR c++/88986
2231	* decl.c (make_typename_type): Allow for TYPE_PACK_EXPANSION as
2232	context (the first argument).
2233	* pt.c (tsubst, case TYPENAME_TYPE): Handle TYPE_PACK_EXPANSION
2234	as context.
2235
22362019-02-12  Jason Merrill  <jason@redhat.com>
2237
2238	PR c++/89144 - link error with constexpr initializer_list.
2239	* call.c (convert_like_real) [ck_list]: Don't allocate a temporary
2240	array for an empty list.
2241	* typeck2.c (store_init_value): Don't use cxx_constant_init in a
2242	template.
2243
22442019-02-11  Jason Merrill  <jason@redhat.com>
2245
2246	PR c++/89241 - ICE with __func__ in lambda in template.
2247	* pt.c (enclosing_instantiation_of): Also check
2248	instantiated_lambda_fn_p for the template context.
2249
22502019-02-11  Marek Polacek  <polacek@redhat.com>
2251
2252	PR c++/89212 - ICE converting nullptr to pointer-to-member-function.
2253	* pt.c (tsubst_copy_and_build) <case CONSTRUCTOR>: Return early for
2254	null member pointer value.
2255
22562019-02-11  Jakub Jelinek  <jakub@redhat.com>
2257
2258	PR c++/88977
2259	* pt.c (convert_nontype_argument): Pass true as manifestly_const_eval
2260	to maybe_constant_value calls.
2261
22622019-02-11  Marek Polacek  <polacek@redhat.com>
2263
2264	* typeck2.c (digest_init_r): Remove commented code.
2265
22662019-02-11  Martin Sebor  <msebor@redhat.com>
2267
2268	PR c++/87996
2269	* decl.c (compute_array_index_type_loc): Preserve signed sizes
2270	for diagnostics.  Call valid_array_size_p instead of error.
2271	* init.c (build_new_1): Compute size for diagnostic.  Call
2272	invalid_array_size_error
2273	(build_new): Call valid_array_size_p instead of error.
2274
22752019-02-07  Alexandre Oliva <aoliva@redhat.com>
2276
2277	PR c++/86218
2278	* call.c (compare_ics): Deal with ck_aggr in either cs.
2279
22802019-02-06  David Malcolm  <dmalcolm@redhat.com>
2281
2282	PR c++/71302
2283	* call.c (get_location_for_expr_unwinding_for_system_header): New
2284	function.
2285	(conversion_null_warnings): Use it when getting locations for
2286	EXPR, effectively adding a call to
2287	get_location_for_expr_unwinding_for_system_header for
2288	-Wconversion-null and making use of EXPR_LOCATION for
2289	-Wzero-as-null-pointer-constant.
2290
22912019-02-05  Jakub Jelinek  <jakub@redhat.com>
2292
2293	PR c++/89187
2294	* optimize.c (maybe_thunk_body): Clear TREE_ADDRESSABLE on
2295	PARM_DECLs of the thunk.
2296	* lambda.c (maybe_add_lambda_conv_op): Likewise.
2297
22982019-02-05  Marek Polacek  <polacek@redhat.com>
2299
2300	PR c++/89158 - by-value capture of constexpr variable broken.
2301	* call.c (convert_like_real) <case ck_user>: Call mark_exp_read
2302	instead of mark_rvalue_use.
2303
23042019-02-05  Alexandre Oliva <aoliva@redhat.com>
2305
2306	PR c++/87770
2307	* pt.c (instantiates_primary_template_p): New.
2308	(type_dependent_expression_p): Use it.
2309
23102019-02-01  Jason Merrill  <jason@redhat.com>
2311
2312	PR c++/88761 - ICE with reference capture of constant.
2313	* lambda.c (mark_const_cap_r): Do walk subtrees of DECL_EXPR for
2314	non-proxy decls.
2315
23162019-02-01  Marek Polacek  <polacek@redhat.com>
2317
2318	PR c++/88325 - ICE with invalid out-of-line template member definition.
2319	* parser.c (cp_parser_class_name): Don't call make_typename_type
2320	for overloads.
2321
23222019-02-01  Jakub Jelinek  <jakub@redhat.com>
2323
2324	PR c++/87175
2325	* parser.c (cp_parser_gnu_attributes_opt): Set ok to false
2326	if require_open failed.
2327
23282019-01-31  Marek Polacek  <polacek@redhat.com>
2329
2330	PR c++/89083, c++/80864 - ICE with list initialization in template.
2331	* constexpr.c (adjust_temp_type): Use copy_node and change the type
2332	instead of using build_constructor.
2333	* decl.c (reshape_init_r): Don't reshape a digested initializer.
2334	Return the initializer for COMPOUND_LITERAL_P.
2335
2336	PR c++/88983 - ICE with switch in constexpr function.
2337	* constexpr.c (cxx_eval_switch_expr): Use SWITCH_COND and SWITCH_BODY.
2338	(cxx_eval_constant_expression) <case COND_EXPR>: Don't look for the
2339	label in the else branch if we found it in the then branch.
2340
23412019-01-30  Jason Merrill  <jason@redhat.com>
2342
2343	PR c++/88752 - ICE with lambda and constexpr if.
2344	* cp-tree.h (LAMBDA_EXPR_INSTANTIATED): New.
2345	* pt.c (tsubst_lambda_expr): Set it.
2346	(instantiated_lambda_fn_p): Check it.
2347	(enclosing_instantiation_of): Use it.
2348
23492019-01-31  Jakub Jelinek  <jakub@redhat.com>
2350
2351	PR libstdc++/88170
2352	* cxx-pretty-print.c (pp_cxx_enumeration_constant): Print always as
2353	a C cast in pp_c_flag_gnu_v3 mode.
2354
23552019-01-30  Jakub Jelinek  <jakub@redhat.com>
2356
2357	PR c++/88988
2358	* lambda.c (is_capture_proxy): Don't return true for
2359	DECL_OMP_PRIVATIZED_MEMBER artificial vars.
2360
23612019-01-30  Marek Polacek  <polacek@redhat.com>
2362
2363	PR c++/89119 - ICE with value-initialization in template.
2364	* pt.c (tsubst_copy_and_build): Handle RANGE_EXPR.
2365
23662019-01-29  Jason Merrill  <jason@redhat.com>
2367
2368	PR c++/86943 - wrong code converting lambda to function pointer.
2369	* lambda.c (maybe_add_lambda_conv_op): Use a template-id in the
2370	call.  Only forward parms for decltype.
2371	* pt.c (tsubst_copy_and_build) [CALL_EXPR]: Handle CALL_FROM_THUNK_P
2372	specially.
2373	* typeck.c (check_return_expr): Don't mess with a thunk call.
2374
23752019-01-28  Jason Merrill  <jason@redhat.com>
2376
2377	PR c++/89089 - ICE with [[no_unique_address]].
2378	PR c++/88865 - wrong layout with [[no_unique_address]].
2379	* class.c (check_field_decls): A potentially-overlapping field makes
2380	the class non-layout-POD, but not non-empty.
2381	(end_of_class): Always consider empty data members.
2382	(layout_class_type): Set DECL_SIZE for empty fields.
2383
23842019-01-28  Marek Polacek  <polacek@redhat.com>
2385
2386	PR c++/88358 - name wrongly treated as type.
2387	* parser.c (cp_parser_direct_declarator): Don't assume a qualified-id
2388	in parameter-list is a type if the function's declarator-id is not
2389	qualified.
2390
23912019-01-27  Marek Polacek  <polacek@redhat.com>
2392
2393	PR c++/88815 - narrowing conversion lost in decltype.
2394	PR c++/78244 - narrowing conversion in template not detected.
2395	* cp-tree.h (CONSTRUCTOR_IS_DEPENDENT): New.
2396	* pt.c (instantiation_dependent_r): Consider a CONSTRUCTOR with
2397	CONSTRUCTOR_IS_DEPENDENT instantiation-dependent.
2398	* semantics.c (finish_compound_literal): When the compound literal
2399	isn't instantiation-dependent and the type isn't type-dependent,
2400	fall back to the normal processing.  Set CONSTRUCTOR_IS_DEPENDENT.
2401
2402	PR c++/89024 - ICE with incomplete enum type.
2403	* call.c (standard_conversion): When converting an
2404	ARITHMETIC_TYPE_P to an incomplete type, return NULL.
2405
24062019-01-25  Paolo Carlini  <paolo.carlini@oracle.com>
2407
2408	PR c++/88969
2409	* call.c (build_op_delete_call): Implement 7.6.2.5/(10.1).
2410	* decl2.c (coerce_delete_type): Use build_pointer_type instead
2411	of TYPE_POINTER_TO.
2412
24132019-01-24  Jason Merrill  <jason@redhat.com>
2414
2415	PR c++/89001 - mangling of reference temporaries
2416	* cp-tree.h (struct saved_scope): Add ref_temp_count.
2417	(current_ref_temp_count): New macro.
2418	* mangle.c (mangle_ref_init_variable): Use it.
2419	* typeck2.c (store_init_value): Clear it.
2420	* call.c (make_temporary_var_for_ref_to_temp): Copy public and
2421	comdat.
2422
24232019-01-24  Jakub Jelinek  <jakub@redhat.com>
2424
2425	PR c++/88976
2426	* semantics.c (finish_omp_cancel): Diagnose more than one if
2427	on #pragma omp cancel with different modifiers.  Use
2428	maybe_convert_cond when not in template or build_x_binary_op
2429	otherwise.
2430
24312019-01-23  Marek Polacek  <polacek@redhat.com>
2432
2433	PR c++/88757 - qualified name treated wrongly as type.
2434	* parser.c (cp_parser_direct_declarator): Don't treat qualified-ids
2435	in parameter-list as types if name lookup for declarator-id didn't
2436	find one or more function templates.
2437
24382019-01-23  Jakub Jelinek  <jakub@redhat.com>
2439
2440	PR c/44715
2441	* cp-gimplify.c (genericize_cp_loop): Call begin_bc_block only
2442	after genericizing cond and incr expressions.
2443
2444	PR c++/88984
2445	* cp-gimplify.c (genericize_switch_stmt): Move cond genericization
2446	before the begin_bc_block call.
2447
24482019-01-21  Jason Merrill  <jason@redhat.com>
2449
2450	PR c++/87893 - constexpr ctor ICE on ARM.
2451	PR c++/88293 - ICE with comma expression.
2452	* constexpr.c (initialized_type): Don't shortcut non-void type.
2453	Handle COMPOUND_EXPR.
2454	(cxx_eval_outermost_constant_expr): Return early for void type.
2455
24562019-01-21  Jakub Jelinek  <jakub@redhat.com>
2457
2458	PR c++/88949
2459	* optimize.c (cxx_copy_decl): New function.
2460	(clone_body): Use it instead of copy_decl_no_change.
2461
2462	PR sanitizer/88901
2463	* typeck.c (cp_build_binary_op): Don't instrument
2464	SANITIZE_POINTER_COMPARE if processing_template_decl.
2465	(pointer_diff): Similarly for SANITIZE_POINTER_SUBTRACT.
2466
24672019-01-18  Jason Merrill  <jason@redhat.com>
2468
2469	PR c++/88875 - error with explicit list constructor.
2470	* call.c (reference_binding): Don't modify EXPR.  Set
2471	need_temporary_p on the ck_user conversion for a temporary.
2472	(convert_like_real): Check it.
2473
24742019-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2475
2476	PR c/51628
2477	PR c/88664
2478	* call.c (convert_for_arg_passing): Upate the
2479	warn_for_address_or_pointer_of_packed_member call.
2480	* typeck.c (convert_for_assignment): Likewise.
2481
24822019-01-17  Jason Merrill  <jason@redhat.com>
2483
2484	PR c++/86205 - ICE with ?: of throw and template-id.
2485	* pt.c (resolve_nondeduced_context_or_error): Split out from...
2486	* typeck.c (decay_conversion): ...here.
2487	* call.c (build_conditional_expr_1): Use it.
2488
2489	PR c++/86740, ICE with constexpr if and nested generic lambdas.
2490	* tree.c (cp_walk_subtrees): Handle LAMBDA_EXPR.
2491
24922019-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2493
2494	* decl.c (grokdeclarator): Use typespec_loc in error messages
2495	about 'auto' and trailing return type.
2496
24972019-01-17  David Malcolm  <dmalcolm@redhat.com>
2498
2499	PR c++/88699
2500	* class.c (add_method): Don't use DECL_DESTRUCTOR_P on
2501	USING_DECLs.
2502
25032019-01-17  Nathan Sidwell  <nathan@acm.org>
2504
2505	PR c++/86610
2506	* semantics.c (process_outer_var_ref): Only skip dependent types
2507	in templates.
2508
25092019-01-17  Alexandre Oliva <aoliva@redhat.com>
2510
2511	PR c++/87768
2512	* cp-tree.h (saved_scope): Add suppress_location_wrappers.
2513	* name-lookup.c (do_push_to_top_level): Save and reset it.
2514	(do_pop_from_top_level): Restore it.
2515
2516	PR c++/86648
2517	* pt.c (make_template_placeholder): Use auto_identifier.
2518	(is_auto): Drop CLASS_PLACEHOLDER_TEMPLATE test.
2519	* error.c (dump_type): Handle template placeholders.
2520	* cxx-pretty-print.c (pp_cx_unqualified_id): Likewise.
2521
2522	PR c++/88146
2523	* cvt.c (convert_to_void): Handle all cdtor calls as if
2524	returning void.
2525
25262019-01-16  Paolo Carlini  <paolo.carlini@oracle.com>
2527
2528	* decl.c (grokdeclarator): Use locations[ds_storage_class] in
2529	error messages about ill-formed uses of mutable.
2530
25312019-01-16  Marek Polacek  <polacek@redhat.com>
2532
2533	PR c++/78244 - narrowing conversion in template not detected.
2534	* call.c (perform_implicit_conversion_flags): Set
2535	IMPLICIT_CONV_EXPR_BRACED_INIT.
2536	* cp-tree.h (IMPLICIT_CONV_EXPR_BRACED_INIT): New.
2537	* pt.c (tsubst_copy_and_build): Use it.
2538
25392019-01-15  David Malcolm  <dmalcolm@redhat.com>
2540
2541	PR c++/88795
2542	* pt.c (build_deduction_guide): Bail out if tsubst_arg_types
2543	fails.
2544
25452019-01-15  Paolo Carlini  <paolo.carlini@oracle.com>
2546
2547	* decl.c (start_decl): Improve error location.
2548	* decl2.c (grokfield): Likewise.
2549
25502019-01-15  Paolo Carlini  <paolo.carlini@oracle.com>
2551
2552	* decl.c (grokdeclarator): Move further up the location_t loc
2553	declaration and use the location when building a TYPE_DECL for
2554	a typedef name.
2555	* decl2.c (grokbitfield): Use DECL_SOURCE_LOCATION in the error
2556	about an ill-formed bit-field as typedef.
2557
25582019-01-14  Marek Polacek  <polacek@redhat.com>
2559
2560	PR c++/88830 - ICE with abstract class.
2561	* decl2.c (maybe_emit_vtables): Check CLASSTYPE_LAZY_DESTRUCTOR.
2562	Fix formatting.
2563
2564	PR c++/88825 - ICE with bogus function return type deduction.
2565	* typeck.c (can_do_nrvo_p): Check error_mark_node.
2566
25672019-01-14  Tom Honermann  <tom@honermann.net>
2568
2569	Implement P0482R5, char8_t: A type for UTF-8 characters and strings
2570	* cvt.c (type_promotes_to): Handle char8_t promotion.
2571	* decl.c (grokdeclarator): Handle invalid type specifier
2572	combinations involving char8_t.
2573	* lex.c (init_reswords): Add char8_t as a reserved word.
2574	* mangle.c (write_builtin_type): Add name mangling for char8_t (Du).
2575	* parser.c (cp_keyword_starts_decl_specifier_p)
2576	(cp_parser_simple_type_specifier): Recognize char8_t as a simple
2577	type specifier.
2578	(cp_parser_string_literal): Use char8_array_type_node for the type
2579	of CPP_UTF8STRING.
2580	(cp_parser_set_decl_spec_type): Tolerate char8_t typedefs in system
2581	headers.
2582	* rtti.c (emit_support_tinfos): type_info support for char8_t.
2583	* tree.c (char_type_p): Recognize char8_t as a character type.
2584	* typeck.c (string_conv_p): Handle conversions of u8 string
2585	literals of char8_t type.
2586	(check_literal_operator_args): Handle UDLs with u8 string literals
2587	of char8_t type.
2588	* typeck2.c (ordinary_char_type_p): New.
2589	(digest_init_r): Disallow initializing a char array with a u8 string
2590	literal.
2591
25922019-01-14  Martin Liska  <mliska@suse.cz>
2593
2594	PR gcov-profile/88263
2595	* decl2.c (get_tls_wrapper_fn): Use DECL_SOURCE_LOCATION
2596	as location of the TLS wrapper.
2597
25982019-01-12  Paolo Carlini  <paolo.carlini@oracle.com>
2599
2600	* decl.c (cp_finish_decl): Improve error location.
2601	* decl2.c (grokfield): Likewise, improve two locations.
2602
26032019-01-11  Marek Polacek  <polacek@redhat.com>
2604
2605	PR c++/88692, c++/87882 - -Wredundant-move false positive with *this.
2606	* typeck.c (maybe_warn_pessimizing_move): Return if ARG isn't
2607	ADDR_EXPR.
2608
26092019-01-11  Jason Merrill  <jason@redhat.com>
2610
2611	PR c++/88312 - pack expansion of decltype.
2612	* pt.c (instantiation_dependent_r): A template non-type parameter
2613	pack is instantiation-dependent.
2614
26152019-01-11  Jason Merrill  <jason@redhat.com>
2616
2617	PR c++/88613 - ICE with use of const var in lambda.
2618	* expr.c (mark_use): Fix location wrapper handling.
2619	* cp-gimplify.c (cp_fold_maybe_rvalue): Call mark_rvalue_use.
2620
26212019-01-11  Tobias Burnus  <burnus@net-b.de>
2622
2623	PR C++/88114
2624	* decl2.c (maybe_emit_vtables): If needed, generate code for
2625	the destructor of an abstract class.
2626	(mark_used): Update comment for older function-name change.
2627
26282019-01-11  Paolo Carlini  <paolo.carlini@oracle.com>
2629
2630	* decl.c (start_decl): Improve error location.
2631	(grokdeclarator): Likewise, improve two locations.
2632
26332019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
2634
2635	PR other/16615
2636
2637	* cp-tree.h: Mechanically replace "can not" with "cannot".
2638	* parser.c: Likewise.
2639	* pt.c: Likewise.
2640
26412019-01-08  Paolo Carlini  <paolo.carlini@oracle.com>
2642
2643	* decl.c (grok_reference_init): Improve error location.
2644	(grokdeclarator): Likewise, improve two locations.
2645
26462019-01-08  Marek Polacek  <polacek@redhat.com>
2647
2648	PR c++/88538 - braced-init-list in template-argument-list.
2649	* parser.c (cp_parser_template_argument): Handle braced-init-list when
2650	in C++20.
2651
2652	PR c++/88548 - this accepted in static member functions.
2653	* parser.c (cp_debug_parser): Adjust printing of
2654	local_variables_forbidden_p.
2655	(cp_parser_new): Set local_variables_forbidden_p to 0 rather than false.
2656	(cp_parser_primary_expression): When checking
2657	local_variables_forbidden_p, use THIS_FORBIDDEN or
2658	LOCAL_VARS_FORBIDDEN.
2659	(cp_parser_lambda_body): Update the type of
2660	local_variables_forbidden_p.  Set it to 0 rather than false.
2661	(cp_parser_condition): Adjust call to cp_parser_declarator.
2662	(cp_parser_explicit_instantiation): Likewise.
2663	(cp_parser_init_declarator): Likewise.
2664	(cp_parser_declarator): New parameter.  Use it.
2665	(cp_parser_direct_declarator): New parameter.  Use it to set
2666	local_variables_forbidden_p.  Adjust call to cp_parser_declarator.
2667	(cp_parser_type_id_1): Adjust call to cp_parser_declarator.
2668	(cp_parser_parameter_declaration): Likewise.
2669	(cp_parser_default_argument): Update the type of
2670	local_variables_forbidden_p.  Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
2671	rather than true.
2672	(cp_parser_member_declaration): Tell cp_parser_declarator if we saw
2673	'static' or 'friend'.
2674	(cp_parser_exception_declaration): Adjust call to cp_parser_declarator.
2675	(cp_parser_late_parsing_default_args): Update the type of
2676	local_variables_forbidden_p.  Set it to LOCAL_VARS_AND_THIS_FORBIDDEN
2677	rather than true.
2678	(cp_parser_cache_defarg): Adjust call to cp_parser_declarator.
2679	(cp_parser_objc_class_ivars): Likewise.
2680	(cp_parser_objc_struct_declaration): Likewise.
2681	(cp_parser_omp_for_loop_init): Likewise.
2682	* parser.h (cp_parser): Change the type of local_variables_forbidden_p
2683	to unsigned char.
2684	(LOCAL_VARS_FORBIDDEN, LOCAL_VARS_AND_THIS_FORBIDDEN, THIS_FORBIDDEN):
2685	Define.
2686
26872019-01-08  Paolo Carlini  <paolo.carlini@oracle.com>
2688
2689	* decl.c (start_decl): Improve permerror location.
2690
26912019-01-08  Jonathan Wakely  <jwakely@redhat.com>
2692	    Jakub Jelinek  <jakub@redhat.com>
2693
2694	PR c++/88554
2695	* decl.c (finish_function): For -Wreturn-type don't add a return *this;
2696	fixit hint if current_class_ref is NULL.  Use a single if instead of
2697	two nested ones.
2698
26992019-01-07  Paolo Carlini  <paolo.carlini@oracle.com>
2700
2701	* decl.c (start_decl): Improve two error_at locations.
2702	(expand_static_init): Likewise.
2703
27042019-01-07  Marek Polacek  <polacek@redhat.com>
2705
2706	PR c++/88741 - wrong error with initializer-string.
2707	* decl.c (cp_complete_array_type): Strip any location wrappers.
2708
27092019-01-07  Bernd Edlinger  <bernd.edlinger@hotmail.de>
2710
2711	PR c++/88261
2712	PR c++/69338
2713	PR c++/69696
2714	PR c++/69697
2715	* cp-tree.h (LOOKUP_ALLOW_FLEXARRAY_INIT): New flag value.
2716	* typeck2.c (digest_init_r): Raise an error for non-static
2717	initialization of a flexible array member.
2718	(process_init_constructor, massage_init_elt,
2719	process_init_constructor_array, process_init_constructor_record,
2720	process_init_constructor_union, process_init_constructor): Add the
2721	flags parameter and pass it thru.
2722	(store_init_value): Pass LOOKUP_ALLOW_FLEXARRAY_INIT parameter to
2723	digest_init_flags for static decls.
2724
27252019-01-07  Jakub Jelinek  <jakub@redhat.com>
2726
2727	PR c++/85052
2728	* cp-tree.h (cp_build_vec_convert): Declare.
2729	* parser.c (cp_parser_postfix_expression): Parse
2730	__builtin_convertvector.
2731	* constexpr.c: Include fold-const-call.h.
2732	(cxx_eval_internal_function): Handle IFN_VEC_CONVERT.
2733	(potential_constant_expression_1): Likewise.
2734	* semantics.c (cp_build_vec_convert): New function.
2735	* pt.c (tsubst_copy_and_build): Handle CALL_EXPR to
2736	IFN_VEC_CONVERT.
2737
27382019-01-03  Jakub Jelinek  <jakub@redhat.com>
2739
2740	PR c++/88636
2741	* decl.c (builtin_function_1): Return result of pushdecl_top_level
2742	or pushdecl rather than decl.
2743
27442019-01-03  Paolo Carlini  <paolo.carlini@oracle.com>
2745
2746	* tree.c (handle_nodiscard_attribute): Improve warning location.
2747
27482019-01-02  Marek Polacek  <polacek@redhat.com>
2749
2750	PR c++/88612 - ICE with -Waddress-of-packed-member.
2751	* call.c (convert_for_arg_passing): Only give warnings with tf_warning.
2752	* typeck.c (convert_for_assignment): Likewise.
2753
2754	PR c++/88631 - CTAD failing for value-initialization.
2755	* typeck2.c (build_functional_cast): Try deducing the template
2756	arguments even if there are no arguments to deduce from.
2757
27582019-01-01  Jakub Jelinek  <jakub@redhat.com>
2759
2760	Update copyright years.
2761
2762Copyright (C) 2019 Free Software Foundation, Inc.
2763
2764Copying and distribution of this file, with or without modification,
2765are permitted in any medium without royalty provided the copyright
2766notice and this notice are preserved.
2767