12017-12-22  Mike Stump  <mikestump@comcast.net>
2            Eric Botcazou  <ebotcazou@adacore.com>
3
4	* constexpr.c (cxx_eval_constant_expression) <ANNOTATE_EXPR>: Remove
5	assertion on 2nd operand.
6	(potential_constant_expression_1): Likewise.
7	* cp-tree.def (RANGE_FOR_STMT): Take a 5th operand.
8	* cp-tree.h (RANGE_FOR_UNROLL): New macro.
9	(cp_convert_range_for): Adjust prototype.
10	(finish_while_stmt_cond): Likewise.
11	(finish_do_stmt): Likewise.
12	(finish_for_cond): Likewise.
13	* init.c (build_vec_init): Adjut call to finish_for_cond.
14	* parser.c (cp_parser_statement): Adjust call to
15	cp_parser_iteration_statement.
16	(cp_parser_for): Add unroll parameter and pass it in calls to
17	cp_parser_range_for and cp_parser_c_for.
18	(cp_parser_c_for): Add unroll parameter and pass it in call to
19	finish_for_cond.
20	(cp_parser_range_for): Add unroll parameter, set in on RANGE_FOR_STMT
21	and pass it in call to cp_convert_range_for.
22	(cp_convert_range_for): Add unroll parameter and pass it in call to
23	finish_for_cond.
24	(cp_parser_iteration_statement): Add unroll parameter and pass it in
25	calls to finish_while_stmt_cond, finish_do_stmt and cp_parser_for.
26	(cp_parser_pragma_ivdep): New static function.
27	(cp_parser_pragma_unroll): Likewise.
28	(cp_parser_pragma) <PRAGMA_IVDEP>: Add support for pragma Unroll.
29	<PRAGMA_UNROLL>: New case.
30	* pt.c (tsubst_expr) <FOR_STMT>: Adjust call to finish_for_cond.
31	<RANGE_FOR_STMT>: Pass unrolling factor to cp_convert_range_for.
32	<WHILE_STMT>: Adjust call to finish_while_stmt_cond.
33	<DO_STMT>: Adjust call to finish_do_stmt.
34	* semantics.c (finish_while_stmt_cond): Add unroll parameter and
35	build ANNOTATE_EXPR if present.
36	(finish_do_stmt): Likewise.
37	(finish_for_cond): Likewise.
38	(begin_range_for_stmt): Build RANGE_FOR_STMT with 5th operand.
39
402017-12-21  Nathan Sidwell  <nathan@acm.org>
41
42	PR c++/83406
43	* parser.c (cp_parser_lambda_body): Remove obsolete
44	single-return-statement handling.
45
462017-12-21  Richard Sandiford  <richard.sandiford@linaro.org>
47	    Alan Hayward  <alan.hayward@arm.com>
48	    David Sherwood  <david.sherwood@arm.com>
49
50	* constexpr.c (check_automatic_or_tls): Track polynomial
51	offsets and sizes.
52
532017-12-19  Paolo Carlini  <paolo.carlini@oracle.com>
54
55	PR c++/82593
56	* decl.c (check_array_designated_initializer): Not static.
57	* cp-tree.h (check_array_designated_initializer): Declare.
58	* typeck2.c (process_init_constructor_array): Call the latter.
59	* parser.c (cp_parser_initializer_list): Check the return value
60	of require_potential_rvalue_constant_expression.
61
622017-12-19  Martin Sebor  <msebor@redhat.com>
63
64	PR c++/83394
65	PR c++/83322
66	* decl2.c (cplus_decl_attributes): Look up member functions
67	in the scope of their class.
68
692017-12-19  Jakub Jelinek  <jakub@redhat.com>
70
71	* name-lookup.c (get_std_name_hint): Replace Yoda conditions with
72	typical order conditions.
73	* class.c (check_bitfield_decl): Likewise.
74	* pt.c (convert_template_argument): Likewise.
75	* decl.c (duplicate_decls): Likewise.
76	* typeck.c (commonparms): Likewise.
77
782017-12-19  Paolo Carlini  <paolo.carlini@oracle.com>
79
80	* cp-tree.h: Fix typo in comment.
81
822017-12-18  Marek Polacek  <polacek@redhat.com>
83
84	PR c++/83116
85	* constexpr.c (cxx_eval_call_expression): Only look into
86	constexpr_call_table if ctx->strict.
87
882017-12-18  Jakub Jelinek  <jakub@redhat.com>
89
90	PR c++/83300
91	* decl2.c (save_template_attributes): Add flags argument, if
92	not ATTR_FLAG_TYPE_IN_PLACE, *decl_p is a type and we want to
93	modify TYPE_ATTRIBUTES, add them on type attribute variant.
94
952017-12-18  Nathan Sidwell  <nathan@acm.org>
96
97	PR c++/59930
98	* name-lookup.c (name_lookup::search_unqualified): Don't search
99	parent namespace when looking for hidden things.
100	* pt.c (tsubst_friend_class): Always push to friend scope, drop
101	unneeded self-friend check. Inject new hidden friend into correct
102	scope.
103
1042017-12-15  Jakub Jelinek  <jakub@redhat.com>
105
106	PR c++/83205
107	* decl.c (cp_finish_decomp): Handle the case when tsize is not
108	error_mark_node, but doesn't fit into uhwi.  Split up count != eltscnt
109	and !tree_fits_uhwi_p (tsize) error_at calls into error_n and inform_n
110	to handle plural forms properly.
111
112	PR c++/81197
113	* cp-tree.h (cp_maybe_mangle_decomp): Declare.
114	* decl.c (cp_maybe_mangle_decomp): New function.
115	(cp_finish_decomp): Don't SET_DECL_ASSEMBLER_NAME here.
116	* parser.c (cp_convert_range_for,
117	cp_parser_decomposition_declaration): Call cp_maybe_mangle_decomp.
118	* pt.c (tsubst_expr): Likewise.
119	* mangle.c (find_decomp_unqualified_name): New function.
120	(write_unqualified_name): Handle DECL_DECOMPOSITION_P
121	where DECL_ASSEMBLER_NAME is already set.
122
123	PR c++/80135
124	PR c++/81922
125	* typeck2.c (digest_init_r): Change nested argument type from bool to
126	int.  Use code instead of TREE_CODE (type) where possible.  If
127	nested == 2, diagnose initialization of flexible array member with
128	STRING_CST.  Pass nested to process_init_constructor.  Formatting fix.
129	(digest_init, digest_init_flags): Adjust digest_init_r caller.
130	(massage_init_elt): Add nested argument.  Pass 2 instead of 1 to
131	digest_init_r's nested argument if nested is non-zero.
132	(process_init_constructor_array): Add nested argument.  If nested == 2,
133	diagnose initialization of flexible array member with non-empty
134	braced enclosed list.  Pass nested to massage_init_elt.
135	(process_init_constructor_record, process_init_constructor_union): Add
136	nested argument, pass it to massage_init_elt.
137	(process_init_constructor): Add nested argument, pass it to
138	process_init_constructor_{array,record,union}.
139	* init.c (find_field_init): Renamed to ...
140	(find_flexarray_init): ... this.  Return NULL_TREE if init is
141	error_mark_node.  Don't look through nested CONSTRUCTORs.
142	(warn_placement_new_too_small): Adjust caller.
143
144	PR c++/83217
145	* decl.c (cp_finish_decomp): If decl's type is REFERENCE_TYPE,
146	call complete_type (TREE_TYPE (type)).
147
148	* tree.c (cxx_attribute_table, std_attribute_table): Swap
149	affects_type_identity and handler fields, adjust comments.
150
1512017-12-15  Nathan Sidwell  <nathan@acm.org>
152
153	PR c++/59930
154	* decl.c (xref_tag_1): Correct comments about template friends and
155	default args.
156	* friend.c (make_friend_class): Move comments concerning
157	self-friendliness to code dealing with such.
158	* pt.c (check_default_tmpl_args): Deal with template friend
159	classes too.
160	(push_template_decl_real): Check default args for non-function
161	template friends.
162
1632017-12-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
164
165	* decl2.c (start_static_storage_duration_function): Avoid warning.
166	* typeck.c (cxx_safe_arg_type_equiv_p,
167	cxx_safe_function_type_cast_p): New function.
168	(build_reinterpret_cast_1): Implement -Wcast-function-type.
169
1702017-12-14  Jakub Jelinek  <jakub@redhat.com>
171
172	PR c++/79650
173	* pt.c (convert_nontype_argument): Diagnose
174	reduced_constant_expression_p expressions that aren't INTEGER_CST.
175
1762017-12-13  Paolo Carlini  <paolo.carlini@oracle.com>
177
178	PR c++/81061
179	* typeck.c (cp_build_modify_expr): Upon cxx_readonly_error
180	immediately return error_mark_node.
181
1822017-12-13  Nathan Sidwell  <nathan@acm.org>
183
184	PR c++/15272
185	* pt.c (tsubst_baselink): Don't repeat the lookup for
186	non-dependent baselinks.
187
1882017-12-12  Jason Merrill  <jason@redhat.com>
189
190	* decl.c (value_dependent_init_p): Check the type of a CONSTRUCTOR.
191	(type_dependent_init_p): Remove.
192
193	PR c++/82115 - ICE with variable initialized with its own address.
194	* cp-tree.h (struct lang_decl_base): Add dependent_init_p.
195	(DECL_DEPENDENT_INIT_P, SET_DECL_DEPENDENT_INIT_P): New.
196	* decl.c (cp_finish_decl): Set it.
197	(duplicate_decls): Copy it.
198	* pt.c (tsubst_decl): Clear it.
199	(value_dependent_expression_p): Revert earlier change.  Check it.
200
2012017-12-12  Alexandre Oliva <aoliva@redhat.com>
202
203	* constexpr.c (check_constexpr_ctor_body_1): Skip begin stmt
204	markers.
205	(constexpr_fn_retval): Likewise.
206	(potential_constant_expression_1): Likewise.
207	(cxx_eval_statement_list): Check that a begin stmt marker is
208	not used as the value of a statement list.
209	(cxx_eval_constant_expression): Return begin stmt markers
210	unchanged.
211	* cp-array-notation.c (stmt_location): New.
212	(cp_expand_cond_array_notations): Use it.
213	* cp-objcp-common.h (LANG_HOOKS_EMITS_BEGIN_STMT): Redefine as true.
214	* parser.c (add_debug_begin_stmt): New.
215	(cp_parser_statement): Call it.
216	* pt.c (tsubst_copy): Handle begin stmt markers.
217
2182017-12-07  Martin Sebor  <msebor@redhat.com>
219
220	PR c/81544
221	* cp-tree.h (decls_match): Add default argument.
222	* decl.c (decls_match): Avoid calling into the target back end
223	and triggering an error.
224	* decl2.c (cplus_decl_attributes): Look up existing declaration and
225	pass it to decl_attributes.
226	* tree.c (cxx_attribute_table): Initialize new member of struct
227	attribute_spec.
228
2292017-12-06  Jakub Jelinek  <jakub@redhat.com>
230
231	PR c++/80259
232	* decl2.c (grokfield): Diagnose = delete redefinition of a friend.
233
2342017-12-06  Jason Merrill  <jason@redhat.com>
235
236	* call.c (convert_for_arg_passing): Pass NULL_TREE to
237	targetm.calls.promote_prototypes.
238	(type_passed_as): Likewise.
239
240	PR c++/82115 - ICE with variable initialized with its own address.
241	* pt.c (value_dependent_expression_p): Add lval parameter.  Don't
242	consider DECL_INITIAL if it's true.
243
2442017-12-06  David Malcolm  <dmalcolm@redhat.com>
245
246	PR c/83236
247	* name-lookup.c (consider_binding_level): Don't suggest names that
248	are reserved for use by the implementation.
249
2502017-12-06  David Malcolm  <dmalcolm@redhat.com>
251
252	* name-lookup.c: Include "c-family/c-spellcheck.h".
253
2542017-12-05  Jason Merrill  <jason@redhat.com>
255
256	PR c++/82331 - ICE with variadic partial specialization of auto
257	* pt.c (unify) [TEMPLATE_PARM_INDEX]: Set processing_template_decl
258	around call to tsubst.
259
2602017-12-05  Nathan Sidwell  <nathan@acm.org>
261
262	PR c++/83287
263	* tree.c (build_min): Check CAST_EXPR arg for OVERLOADs.
264
2652017-12-05  Martin Liska  <mliska@suse.cz>
266	    Jakub Jelinek  <jakub@redhat.com>
267
268	* typeck.c (pointer_diff): Add new argument and instrument
269	pointer subtraction.
270	(cp_build_binary_op): Create compound expression if doing an
271	instrumentation.
272
2732017-12-05  Jakub Jelinek  <jakub@redhat.com>
274
275	* cp-gimplify.c (cp_maybe_instrument_return): Don't add
276	__builtin_unreachable if -O0 or if -fsanitize=unreachable.
277
2782017-12-04  Jason Merrill  <jason@redhat.com>
279
280	PR c++/83273 - constexpr if allows non-constant condition
281	* semantics.c (finish_if_stmt_cond): Use require_constant_expression
282	rather than is_constant_expression.
283	* constexpr.c (potential_constant_expression_1) [LAMBDA_EXPR]: Allow
284	in C++17.
285
2862017-12-01  Jason Merrill  <jason@redhat.com>
287
288	Give #include hints for <complex>.
289	* name-lookup.c (get_std_name_hint): Add <complex>.
290	* parser.c (cp_parser_diagnose_invalid_type_name): Call
291	suggest_alternative_in_explicit_scope.
292	(cp_parser_namespace_name): Likewise.
293
294	PR c++/79228 - extensions hide C++14 complex literal operators
295	* parser.c (cp_parser_userdef_numeric_literal): Be helpful about
296	'i' in C++14 and up.
297
2982017-12-01  Jakub Jelinek  <jakub@redhat.com>
299
300	* parser.c (cp_parser_new): Don't clear cilk_simd_fn_info.
301	(parsing_nsdmi): Adjust comment.
302	(cp_parser_omp_for_loop_init): Likewise.
303	* parser.h (struct cp_omp_declare_simd_data): Adjust comment.
304	(struct cp_parser): Remove cilk_simd_fn_info field.
305	* cp-tree.h (cilk_valid_spawn): Remove.
306
307	PR c/79153
308	* cp-gimplify.c (genericize_switch_stmt): Emit LABEL_EXPR for the
309	break label into SWITCH_BODY instead of after it and set
310	SWITCH_BREAK_LABEL_P on it.
311	* parser.c (cp_parser_objc_expression): Add FALLTHRU comment to avoid
312	-Wimplicit-fallthrough warning.
313
3142017-11-30  Jason Merrill  <jason@redhat.com>
315
316	PR c++/82219 - bogus -Wignored-qualifiers with template
317	* pt.c (tsubst_copy_and_build) [STATIC_CAST_EXPR]: Suppress
318	-Wignored-qualifiers.
319
3202017-11-29  David Malcolm  <dmalcolm@redhat.com>
321
322	* parser.c (cp_parser_unary_expression): Generate a location for
323	"noexcept".
324	(cp_parser_trait_expr): Generate and return a location_t,
325	converting the return type from tree to cp_expr.
326	(cp_parser_static_assert): Pass location of the condition to
327	finish_static_assert, rather than that of the "static_assert"
328	token, where available.
329
3302017-11-29  Paolo Carlini  <paolo.carlini@oracle.com>
331
332	PR c++/82293
333	* lambda.c (nonlambda_method_basetype): Don't use LAMBDA_TYPE_P
334	on a null type.
335
3362017-11-29  Jason Merrill  <jason@redhat.com>
337
338	PR c++/82760 - memory corruption with aligned new.
339	* call.c (build_operator_new_call): Update *args if we add the
340	align_arg.
341
3422017-11-28  Jakub Jelinek  <jakub@redhat.com>
343
344	PR sanitizer/81275
345	* cp-tree.h (SWITCH_STMT_ALL_CASES_P): Define.
346	(SWITCH_STMT_NO_BREAK_P): Define.
347	(note_break_stmt, note_iteration_stmt_body_start,
348	note_iteration_stmt_body_end): Declare.
349	* decl.c (struct cp_switch): Add has_default_p, break_stmt_seen_p
350	and in_loop_body_p fields.
351	(push_switch): Clear them.
352	(pop_switch): Set SWITCH_STMT_CANNOT_FALLTHRU_P if has_default_p
353	and !break_stmt_seen_p.  Assert in_loop_body_p is false.
354	(note_break_stmt, note_iteration_stmt_body_start,
355	note_iteration_stmt_body_end): New functions.
356	(finish_case_label): Set has_default_p when both low and high
357	are NULL_TREE.
358	* parser.c (cp_parser_iteration_statement): Use
359	note_iteration_stmt_body_start and note_iteration_stmt_body_end
360	around parsing iteration body.
361	* pt.c (tsubst_expr): Likewise.
362	* cp-objcp-common.c (cxx_block_may_fallthru): Return false for
363	SWITCH_STMT which contains no BREAK_STMTs, contains a default:
364	CASE_LABEL_EXPR and where SWITCH_STMT_BODY isn't empty and
365	can't fallthru.
366	* semantics.c (finish_break_stmt): Call note_break_stmt.
367	* cp-gimplify.c (genericize_switch_stmt): Copy SWITCH_STMT_ALL_CASES_P
368	bit to SWITCH_ALL_CASES_P.  Assert that if SWITCH_STMT_NO_BREAK_P then
369	the break label is not TREE_USED.
370
3712017-11-28  Julia Koval  <julia.koval@intel.com>
372            Sebastian Peryt  <sebastian.peryt@intel.com>
373
374	* Make-lang.in (cp/cp-array-notation.o, cp/cp-cilkplus.o): Delete.
375	* call.c (convert_for_arg_passing, build_cxx_call): Remove cilkplus.
376	* constexpr.c (potential_constant_expression_1): Ditto.
377	* cp-array-notation.c: Delete.
378	* cp-cilkplus.c: Ditto.
379	* cp-cilkplus.h: Ditto.
380	* cp-gimplify.c (cp_gimplify_expr, cp_fold_r, cp_genericize): Remove
381	cilkplus condition.
382	* cp-objcp-common.c (ARRAY_NOTATION_REF): Delete.
383	* cp-tree.h (cilkplus_an_triplet_types_ok_p): Delete.
384	* decl.c (grokfndecl, finish_function): Remove cilkplus condition.
385	* error.c (dump_decl, dump_expr): Remove ARRAY_NOTATION_REF condition.
386	* lambda.c (cp-cilkplus.h): Remove.
387	* parser.c (cp_parser_cilk_simd, cp_parser_cilk_for,
388	cp_parser_cilk_simd_vectorlength): Delete.
389	(cp_debug_parser, cp_parser_ctor_initializer_opt_and_function_body,
390	cp_parser_postfix_expression,
391	cp_parser_postfix_open_square_expression,
392	cp_parser_statement, cp_parser_jump_statement,
393	cp_parser_direct_declarator,
394	cp_parser_late_return_type_opt, cp_parser_gnu_attribute_list,
395	cp_parser_omp_clause_name, cp_parser_omp_clause_aligned,
396	cp_parser_omp_clause_linear, cp_parser_omp_all_clauses,
397	cp_parser_omp_flush,
398	cp_parser_omp_for_cond, cp_parser_omp_for_incr,
399	cp_parser_omp_for_loop_init,
400	cp_parser_omp_for_loop,
401	cp_parser_omp_declare_simd): Remove cilkplus support.
402	(CILK_SIMD_FN_CLAUSE_MASK, cp_parser_late_parsing_cilk_simd_fn_info,
403	cp_parser_cilk_grainsize): Remove.
404	(cp_parser_pragma, c_parse_file): Remove cilkplus support.
405	(cp_parser_cilk_simd_vectorlength, cp_parser_cilk_simd_linear,
406	cp_parser_cilk_simd_clause_name, cp_parser_cilk_simd_all_clauses,
407	cp_parser_cilk_simd, cp_parser_cilk_for): Remove.
408	* parser.h (IN_CILK_SIMD_FOR, IN_CILK_SPAWN): Remove.
409	* pt.c (tsubst_attribute, tsubst_expr, tsubst_copy_and_build): Remove
410	cilkplus support.
411	* semantics.c (finish_goto_stmt, begin_while_stmt, finish_do_body,
412	finish_init_stmt, finish_switch_cond, simplify_aggr_init_expr,
413	finish_omp_clauses, finish_omp_clauses, finish_omp_for): Remove
414	cilkplus
415	support.
416	* tree.c (lvalue_kind): Remove ARRAY_NOTATION_REF conditon.
417	* typeck.c (cp_build_array_ref, cp_build_compound_expr,
418	check_return_expr): Remove cilkplus support.
419
4202017-11-28  Jakub Jelinek  <jakub@redhat.com>
421
422	* cp-gimplify.c (genericize_switch_stmt): Build SWITCH_EXPR using
423	build2_loc instead of build3_loc.
424
4252017-11-27  Martin Sebor  <msebor@redhat.com>
426
427	PR c++/83058
428	* init.c (warn_placement_new_too_small): Use offset_int instead of
429	HOST_WIDE_INT.
430
4312017-11-27  Jakub Jelinek  <jakub@redhat.com>
432
433	PR c++/81888
434	* parser.c (cp_parser_decomposition_declaration): Reject just
435	BRACE_ENCLOSED_INITIALIZER_P initializers with nelts != 1 rather
436	than all such CONSTRUCTORs, and only if is_direct_init is true.
437
4382017-11-27  Jason Merrill  <jason@redhat.com>
439
440	* pt.c (primary_template_specialization_p): Rename from
441	primary_template_instantiation_p.  Don't check
442	DECL_TEMPLATE_INSTANTIATION.
443	* call.c, cp-tree.h, decl2.c: Adjust.
444
4452017-11-27  Jakub Jelinek  <jakub@redhat.com>
446
447	PR c++/81675
448	* cp-gimplify.c (cp_fold) <case COND_EXPR>: Don't return immediately
449	for VOID_TYPE_P COND_EXPRs, instead fold the operands and if op0 is
450	INTEGER_CST, ensure that both op1 and op2 are non-NULL and fall
451	through into normal folding, otherwise just rebuild x if any op
452	changed.
453
4542017-11-14  Boris Kolpackov  <boris@codesynthesis.com>
455
456	* Make-lang.in (c++.install-plugin): Install backend import library.
457
4582017-11-23  Jakub Jelinek  <jakub@redhat.com>
459
460	* parser.c (cp_parser_omp_declare): Change return type to bool from
461	void, return true for declare simd.
462	(cp_parser_pragma): Return cp_parser_omp_declare returned value
463	rather than always false.
464
4652017-11-23  Mike Stump  <mikestump@comcast.net>
466	    Eric Botcazou  <ebotcazou@adacore.com>
467
468	* pt.c (tsubst_expr) <ANNOTATE_EXPR>: Recurse on 3rd operand.
469	* semantics.c (finish_while_stmt_cond): Pass 3rd operand to
470	ANNOTATE_EXPR.
471	(finish_do_stmt): Likewise.
472	(finish_for_cond): Likewise.
473
4742017-11-22  Jakub Jelinek  <jakub@redhat.com>
475
476	PR c++/82401
477	* name-lookup.c (member_name_cmp): Return 0 if a == b.
478
4792017-11-22  David Malcolm  <dmalcolm@redhat.com>
480
481	PR c++/62170
482	* error.c (type_to_string): Add leading comment.  Add params
483	"postprocessed", "quote", and "show_color", using them to fix
484	quoting of the "aka" for types involving typedefs.
485	(arg_to_string): Update for new params to type_to_string.
486	(cxx_format_postprocessor::handle): Likewise.
487	(cp_printer): Convert penultimate param from bool to bool *.
488	Update call to type_to_string and calls to
489	defer_phase_2_of_type_diff.
490
4912017-11-22  Marek Polacek  <polacek@redhat.com>
492
493	PR c++/60336
494	PR middle-end/67239
495	PR target/68355
496	* class.c (layout_class_type): Set DECL_PADDING_P on padding.
497	* decl.c (cxx_init_decl_processing): Set TRANSLATION_UNIT_WARN_EMPTY_P.
498	(grokdeclarator): Set DECL_PADDING_P on unnamed bit-fields.
499
5002017-11-21  Martin Liska  <mliska@suse.cz>
501
502	* class.c (finalize_literal_type_property): Add quotes for
503	constexpr keyword.
504	(explain_non_literal_class): Likewise.
505	* constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
506	(is_valid_constexpr_fn): Likewise.
507	(check_constexpr_ctor_body): Likewise.
508	(register_constexpr_fundef): Likewise.
509	(explain_invalid_constexpr_fn): Likewise.
510	(cxx_eval_builtin_function_call): Likewise.
511	(cxx_eval_call_expression): Likewise.
512	(cxx_eval_loop_expr): Likewise.
513	(potential_constant_expression_1): Likewise.
514	* decl.c (check_previous_goto_1): Likewise.
515	(check_goto): Likewise.
516	(grokfndecl): Likewise.
517	(grokdeclarator): Likewise.
518	* error.c (maybe_print_constexpr_context): Likewise.
519	* method.c (process_subob_fn): Likewise.
520	(defaulted_late_check): Likewise.
521	* parser.c (cp_parser_compound_statement): Likewise.
522
5232017-11-21  Marc Glisse  <marc.glisse@inria.fr>
524
525	* constexpr.c (cxx_eval_constant_expression,
526	potential_constant_expression_1): Handle POINTER_DIFF_EXPR.
527	* cp-gimplify.c (cp_fold): Likewise.
528	* error.c (dump_expr): Likewise.
529	* typeck.c (pointer_diff): Use POINTER_DIFF_EXPR.
530
5312017-11-21  Jakub Jelinek  <jakub@redhat.com>
532
533	P0428R2 - familiar template syntax for generic lambdas
534	* parser.c (cp_parser_lambda_declarator_opt): Don't pedwarn
535	for cxx2a and above, reword pedwarn for C++14/C++17.
536
5372017-11-20  David Malcolm  <dmalcolm@redhat.com>
538
539	PR c/81404
540	* name-lookup.c: Include "c-family/known-headers.h"
541	(lookup_name_fuzzy): Call get_cp_stdlib_header_for_name and
542	potentially return a new suggest_missing_header hint.
543
5442017-11-20  David Malcolm  <dmalcolm@redhat.com>
545
546	PR c++/72786
547	* name-lookup.c (class macro_use_before_def): New class.
548	(lookup_name_fuzzy): Detect macro that were used before being
549	defined, and report them as such.
550
5512017-11-20  Jason Merrill  <jason@redhat.com>
552
553	* decl2.c (constrain_class_visibility): Don't warn about artificial
554	fields.
555
5562017-11-20  Jakub Jelinek  <jakub@redhat.com>
557
558	P0329R4: Designated Initialization
559	* parser.c (cp_parser_initializer_clause): List in comment grammar
560	designated-initializer-list.
561	(cp_parser_initializer_list): Allow .identifier = without pedwarn for
562	C++2A, parse .identifier { ... }.  Improve location_t argument to
563	pedwarn.  Add pedwarn for [cst] = designators.  Diagnose ... in
564	designated initializer list.  Diagnose mixing designated and
565	non-designated initializer clauses for C++2A.  Diagnose duplicated
566	identifiers in designators.
567	* name-lookup.h (search_anon_aggr): New declaration.
568	* name-lookup.c (fields_linear_search): Use search_anon_aggr.
569	(search_anon_aggr): New function.
570	* typeck2.c (process_init_constructor_record): Allow designator
571	to skip over some non-static data members.  Handle anonymous
572	aggregates.  Add diagnostics for designator order not matching
573	member declaration order.
574
5752017-11-20  David Malcolm  <dmalcolm@redhat.com>
576
577	* name-lookup.c: Define INCLUDE_UNIQUE_PTR before including system.h.
578	Include "c-family/name-hint.h"
579	(suggest_alternatives_for): Convert "fuzzy_name" from const char *
580	to name_hint, and rename to "hint".  Pass location to
581	lookup_name_fuzzy.
582	(lookup_name_fuzzy): Convert return type from const char *
583	to name_hint.  Add location_t param.
584	* parser.c: Define INCLUDE_UNIQUE_PTR before including system.h.
585	Include "c-family/name-hint.h"
586	(cp_parser_diagnose_invalid_type_name): Convert
587	"suggestion" from const char * to name_hint, and rename to "hint".
588	Pass location to lookup_name_fuzzy.
589
5902017-11-20  Nathan Sidwell  <nathan@acm.org>
591
592	PR c++/82878
593	PR c++/78495
594	* call.c (build_call_a): Don't set CALL_FROM_THUNK_P for inherited
595	ctor.
596	* cp-gimplify.c	(cp_genericize_r): Restore THUNK dereference
597	inhibibition check removed in previous c++/78495 change.
598
5992017-11-20   Jakub Jelinek  <jakub@redhat.com>
600
601	PR c++/82781
602	* constexpr.c (cxx_eval_vector_conditional_expression): New function.
603	(cxx_eval_constant_expression) <case VEC_COND_EXPR>: Use it instead
604	of cxx_eval_conditional_expression.
605
6062017-11-19  Jakub Jelinek  <jakub@redhat.com>
607
608	PR c/66618
609	PR c/69960
610	* cp-gimplify.c (c_fully_fold): Add LVAL argument, call
611	cp_fold_maybe_rvalue instead of cp_fold_rvalue and pass it !LVAL.
612
6132017-11-16  Jason Merrill  <jason@redhat.com>
614
615	PR c++/79092 - non-type args of different types are different
616	* tree.c (cp_tree_equal): Check the type of constants.
617	* pt.c (unify) [TEMPLATE_PARM_INDEX]: Handle UNIFY_ALLOW_INTEGER
618	when comparing to previously deduced argument.
619	(maybe_convert_nontype_argument): New.
620	(convert_nontype_argument): Call it.
621	(tsubst_copy_and_build): Handle partial instantiation of
622	IMPLICIT_CONV_EXPR.
623	(unify): Ignore type when deducing from array bound.
624	(dependent_type_p_r): Handle DEFERRED_NOEXCEPT.
625	(value_dependent_expression_p): Any type-dependent expression is
626	value-dependent.  Handle IMPLICIT_CONV_EXPR.
627	* cp-tree.h (IMPLICIT_CONV_EXPR_NONTYPE_ARG): New.
628	* mangle.c (write_template_arg): Strip IMPLICIT_CONV_EXPR.
629
6302017-11-16  Nathan Sidwell  <nathan@acm.org>
631
632	PR c++/82836
633	PR c++/82737
634	* cp-objcp-common.h (LANG_HOOKS_OVERWRITE_DECL_ASSEMBLER_NAME):
635	Override.
636	* cp-tree.h (overwrite_mangling): Declare.
637	* decl2.c (struct mangled_decl_hash): Entries are deletable.
638	(overwrite_mangling): New.
639
640	PR c++/81060
641	* decl.c (xref_tag_1): Push lambda into current scope.
642	* name-lookup.c (do_pushtag): Don't deal with ts_lambda here.
643
6442017-11-15  Nathan Sidwell  <nathan@acm.org>
645
646	PR c++/81574
647	* lambda.c (lambda_capture_field_type): Function references are
648	always catured by reference.
649
6502017-11-15  Martin Liska  <mliska@suse.cz>
651
652	* decl.c (begin_destructor_body): Use cp_build_fold_indirect_ref
653	instead of cp_build_indirect_ref.
654
6552017-11-15  Martin Liska  <mliska@suse.cz>
656
657	* decl.c (begin_destructor_body): In case of VPTR sanitization
658	(with disabled recovery), zero vptr in order to catch virtual calls
659	after lifetime of an object.
660
6612017-11-14  Jason Merrill  <jason@redhat.com>
662
663	Use GTY((cache)) on some hash tables.
664	* decl.c (decomp_type_table): Use tree_cache_map.
665	* init.c (nsdmi_inst): Likewise.
666	* pt.c (defarg_ints): Likewise.
667	* cp-objcp-common.c (cp_get_debug_type): Likewise.
668
6692017-11-13  Jason Merrill  <jason@redhat.com>
670
671	Capture adjustments for P0588R1.
672	* semantics.c (process_outer_var_ref): Capture variables when
673	they are named; complain about non-capture uses when odr-used.
674	* expr.c (mark_use): Rvalue use looks through capture proxy.
675	* constexpr.c (potential_constant_expression_1): Improve error about
676	use of captured variable.
677	* lambda.c (need_generic_capture, dependent_capture_r)
678	(do_dependent_capture, processing_nonlambda_template): Remove.
679	* call.c (build_this): Remove uses of the above.
680	* decl.c (cp_finish_decl): Likewise.
681	* semantics.c (maybe_cleanup_point_expr)
682	(maybe_cleanup_point_expr_void, finish_goto_stmt)
683	(maybe_convert_cond): Likewise.
684	* typeck.c (check_return_expr): Likewise.
685
686	Defer folding of *&.
687	* typeck.c (cp_build_fold_indirect_ref): New.
688	(cp_build_indirect_ref_1): Split out from cp_build_indirect_ref.
689	Add 'fold' parameter.
690	* cp-tree.h: Declare cp_build_fold_indirect_ref.
691	* call.c, class.c, cp-ubsan.c, decl.c, except.c, init.c, lambda.c,
692	parser.c, rtti.c, tree.c, typeck.c, typeck2.c: Use it.
693	* parser.c (do_range_for_auto_deduction): Use RO_UNARY_STAR.
694	(cp_convert_range_for): Likewise.
695	* typeck2.c (build_x_arrow): Use RO_ARROW.
696
697	* cp-ubsan.c (cp_ubsan_check_member_access_r): Fix handling of
698	INDIRECT_REF of ADDR_EXPR.
699
700	PR c++/82360 - ICE with static_cast in template.
701	* call.c (perform_direct_initialization_if_possible): Check
702	processing_template_decl.
703	* typeck.c (build_static_cast_1): Likewise.
704
7052017-11-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
706
707	Remove the null check from placement new in all modes
708	* init.c (build_new_1): Don't do a null check for
709	a namespace-scope non-replaceable placement new
710	in any mode unless -fcheck-new is provided.
711
7122017-11-07 Boris Kolpackov  <boris@codesynthesis.com>
713
714	* Make-lang.in (CP_PLUGIN_HEADERS): Add operators.def since included
715	in cp-tree.h.
716
7172017-11-07  Jakub Jelinek  <jakub@redhat.com>
718
719	PR c++/82835
720	* cp-gimplify.c (cxx_omp_clause_apply_fn): For methods pass i - 1 to
721	convert_default_arg instead of i.
722
7232017-11-06  Jason Merrill  <jason@redhat.com>
724
725	P0704R1 - fixing const-qualified pointers to members
726	* typeck2.c (build_m_component_ref): Also accept in lower stds with
727	a pedwarn.
728
7292017-11-06  Paolo Carlini  <paolo.carlini@oracle.com>
730
731	PR c++/65579
732	* decl2.c (finish_static_data_member_decl): If there's an initializer,
733	complete the type and re-apply the quals.
734
7352017-11-06  Martin Liska  <mliska@suse.cz>
736
737	PR middle-end/82404
738	* constexpr.c (cxx_eval_builtin_function_call): Handle
739	__builtin_unreachable call.
740	(get_function_named_in_call): Declare function earlier.
741	(constexpr_fn_retval): Skip __builtin_unreachable.
742	* cp-gimplify.c (cp_ubsan_maybe_instrument_return): Rename to
743	...
744	(cp_maybe_instrument_return): ... this.
745	(cp_genericize): Call the function unconditionally.
746
7472017-11-03  Nathan Sidwell  <nathan@acm.org>
748
749	PR c++/82710
750	* decl.c (grokdeclarator): Protect MAYBE_CLASS things from paren
751	warning too.
752
7532017-11-02  Paolo Carlini  <paolo.carlini@oracle.com>
754
755	PR c++/81957
756	* pt.c (make_pack_expansion): Add tsubst_flags_t parameter.
757	(expand_integer_pack, convert_template_argument, coerce_template_parms,
758	gen_elem_of_pack_expansion_instantiation, tsubst_pack_expansion,
759	unify): Adjust calls.
760	* tree.c (cp_build_qualified_type_real): Likewise.
761	* cp-tree.h (make_pack_expansion): Adjust declaration.
762
7632017-11-02  Nathan Sidwell  <nathan@acm.org>
764
765	* cp-tree.h (IDENTIFIER_NEWDEL_OP_P): Restore, adjust.
766	(IDENTIFIER_NEW_OP_P): New.
767	* decl.c (grokdeclarator): Restore IDENTIFIER_NEWDEL_OP_P use.
768	* pt.c (push_template_decl_real): Likewise.
769	* typeck.c (check_return_expr): Use IDENTIFIER_NEW_OP_P.
770
771	PR c++/82710
772	* decl.c (grokdeclarator): Don't warn when parens protect a return
773	type from a qualified name.
774
7752017-11-01  Nathan Sidwell  <nathan@acm.org>
776
777	* cp-tree.h (enum cp_identifier_kind): Delete cik_newdel_op.
778	Renumber and reserve udlit value.
779	(IDENTIFIER_NEWDEL_OP_P): Delete.
780	(IDENTIFIER_OVL_OP_P): New.
781	(IDENTIFIER_ASSIGN_OP_P): Adjust.
782	(IDENTIFIER_CONV_OP_P): Adjust.
783	(IDENTIFIER_OVL_OP_INFO): Adjust.
784	(IDENTIFIER_OVL_OP_FLAGS): New.
785	* decl.c (grokdeclarator): Use IDENTIFIER_OVL_OP_FLAGS.
786	* lex.c (get_identifier_kind_name): Adjust.
787	(init_operators): Don't special case new/delete ops.
788	* mangle.c (write_unqualified_id): Use IDENTIFIER_OVL_OP_P.
789	* pt.c (push_template_decl_real): Use IDENTIFIER_OVL_OP_FLAGS.
790	* typeck.c (check_return_expr): Likewise.
791
792	* cp-tree.h (assign_op_identifier, call_op_identifier): Use
793	compressed code.
794	(struct lang_decl_fn): Use compressed operator code.
795	(DECL_OVERLOADED_OPERATOR_CODE): Replace with ...
796	(DECL_OVERLOADED_OPERATOR_CODE_RAW): ... this.
797	(DECL_OVERLOADED_OPERATOR_CODE_IS): Use it.
798	* decl.c (duplicate_decls): Use DECL_OVERLOADED_OPERATOR_CODE_RAW.
799	(build_library_fn): Likewise.
800	(grok_op_properties): Likewise.
801	* mangle.c (write_unqualified_name): Likewise.
802	* method.c (implicitly_declare_fn): Likewise.
803	* typeck.c (check_return_expr): Use DECL_OVERLOADED_OPERATOR_IS.
804
805	* cp-tree.h (IDENTIFIER_CP_INDEX): Define.
806	(enum ovl_op_flags): Add OVL_OP_FLAG_AMBIARY.
807	(enum ovl_op_code): New.
808	(struct ovl_op_info): Add ovl_op_code field.
809	(ovl_op_info): Size by OVL_OP_MAX.
810	(ovl_op_mapping, ovl_op_alternate): Declare.
811	(OVL_OP_INFO): Adjust for mapping array.
812	(IDENTIFIER_OVL_OP_INFO): New.
813	* decl.c (ambi_op_p, unary_op_p): Delete.
814	(grok_op_properties): Use IDENTIFIER_OVL_OP_INFO and
815	ovl_op_alternate.
816	* lex.c (ovl_op_info): Adjust and static initialize.
817	(ovl_op_mappings, ovl_op_alternate): Define.
818	(init_operators): Iterate over ovl_op_info array and init mappings
819	& alternate arrays.
820	* mangle.c (write_unqualified_id): Use IDENTIFIER_OVL_OP_INFO.
821	* operators.def (DEF_OPERATOR): Remove KIND parm.
822	(DEF_SIMPLE_OPERATOR): Delete.
823	(OPERATOR_TRANSITION): Expand if defined.
824
8252017-10-31  David Malcolm  <dmalcolm@redhat.com>
826
827	* pt.c (listify): Use %< and %> for description of #include.
828
8292017-10-31  David Malcolm  <dmalcolm@redhat.com>
830
831	* class.c (explain_non_literal_class): Use UNKNOWN_LOCATION rather
832	than 0.
833	* name-lookup.c (suggest_alternatives_for): Update for renaming of
834	inform_at_rich_loc.
835	(maybe_suggest_missing_header): Likewise.
836	(suggest_alternative_in_explicit_scope): Likewise.
837	* parser.c (cp_parser_diagnose_invalid_type_name): Likewise for
838	renaming of error_at_rich_loc.
839	(cp_parser_string_literal): Likewise.
840	(cp_parser_nested_name_specifier_opt): Likewise.
841	(cp_parser_cast_expression): Likewise for renaming of
842	warning_at_rich_loc.
843	(cp_parser_decl_specifier_seq): Likewise for renaming of
844	error_at_rich_loc and warning_at_rich_loc.
845	(cp_parser_elaborated_type_specifier): Likewise for renaming of
846	pedwarn_at_rich_loc.
847	(cp_parser_cv_qualifier_seq_opt): Likewise for renaming of
848	error_at_rich_loc.
849	(cp_parser_virt_specifier_seq_opt): Likewise.
850	(cp_parser_class_specifier_1): Likewise.
851	(cp_parser_class_head): Likewise.
852	(cp_parser_member_declaration): Likewise for renaming of
853	pedwarn_at_rich_loc, warning_at_rich_loc, and error_at_rich_loc.
854	(cp_parser_enclosed_template_argument_list): Likewise for renaming
855	of error_at_rich_loc.
856	(set_and_check_decl_spec_loc): Likewise.
857	* pt.c (listify): Likewise.
858	* rtti.c (typeid_ok_p): Likewise.
859	* semantics.c (process_outer_var_ref): Use UNKNOWN_LOCATION rather
860	than 0.
861	* typeck.c (access_failure_info::maybe_suggest_accessor): Update
862	for renaming of inform_at_rich_loc.
863	(finish_class_member_access_expr): Likewise for renaming of
864	error_at_rich_loc.
865
8662017-10-31  Nathan Sidwell  <nathan@acm.org>
867
868	* cp-tree.h (struct operator_name_info_t): Rename to ...
869	(struct ovl_op_info_t): ... here.  Add tree_code field.
870	(operator_name_info, assignment_operator_name_info): Delete.
871	(ovl_op_info): Declare.
872	(OVL_OP_INFO): Adjust.
873	* decl.c (grok_op_properties): Use ovl_op_flags.
874	* lex.c (operator_name_info, assignment_operator_name_info):
875	Delete.
876	(ovl_op_info): Define.
877	(set_operator_ident): Adjust.
878	(init_operators): Set tree_code.
879	* mangle.c (write_unqualified_id): Adjust operator array scan.
880
881	* lex.c (init_operators): Allow NULL operator name.  Don't add
882	special cases.
883	* operators.def: Use NULL for mangling only operators.  Move to
884	after regular operators but move assignment operators last.
885
886	* cp-tree.h (enum ovl_op_flags): New.
887	(struct operator_name_info_t): Rename arity to flags.
888	* lex.c (set_operator_ident): New.
889	(init_operators): Use it.  Adjust for flags.
890	* mangle.c (write_unqualified_id): Adjust for flags.
891	* operators.def: Replace arity with flags.
892
893	* cp-tree.h (ovl_op_identifier): New.
894	(assign_op_identifier, call_op_identifier): Adjust.
895	(cp_operator_id, cp_assignment_operator_ide): Delete.
896	(SET_OVERLOADED_OPERATOR_CODE): Delete.
897	(OVL_OP_INFO): New.
898	* call.c (op_error): Use OVL_OP_INFO.
899	(build_conditional_expr_1): Use ovl_op_identifier.
900	(build_new_op_1): Use OVL_OP_INFO & ovl_op_identifier.
901	(build_op_delete_call): Likewise.
902	* class.c (type_requires_array_cookie): Use ovl_op_identifier.
903	* decl.c (duplicate_decls): Directly copy operator code.
904	(builtin_function_1): Do not set operator code.
905	(build_library_fn): Directly set operator code.
906	(push_cp_library_fn): Use ovl_op_identifier.
907	(grok_op_properties): Directly set operator code.
908	* decl2.c (maybe_warn_sized_delete): Use ovl_op_identifier.
909	* error.c (dump_expr): Use OVL_OP_INFO.
910	(op_to_string): Add assop arg. Use OVL_OP_INFO.
911	(assop_to_string): Delete.
912	(args_to_string): Adjust.
913	* init.c (build_new_1): Use ovl_op_identifier.
914	* mangle.c (write_unqualified_name): Use OVL_OP_INFO.
915	(write_expression): Likewise.
916	* method.c (synthesized_method_walk): Use ovl_op_identifier.
917	(implicitly_declare_fn): Use assign_op_identifier. Directly set
918	operator code.
919	* name-lookup.c (get_class_binding): Use assign_op_identifier.
920	* parser.c (cp_parser_operator): Use ovl_op_identifier.
921	(cp_parser_omp_clause_reduction): Likewise.
922	* semantics.c (omp_reduction_id): Likewise.
923	* typeck.c (cxx_sizeof_or_alignof_type): Use OVL_OP_INFO.
924
925	* cp-tree.h (assign_op_identifier, call_op_identifier): Define.
926	(LAMBDA_FUNCTION_P): Use DECL_OVERLOADED_OPERATOR_IS.
927	(DECL_OVERLOADED_OPERATOR_P): Just retuurn true/false.
928	(DECL_OVERLOADED_OPERATOR_CODE, DECL_OVERLOADED_OPERATOR_IS): Define.
929	* call.c (add_function_candidate): Use
930	DECL_OVERLOADED_OPERATOR_IS.
931	(build_op_call_1): Use call_op_identifier &
932	DECL_OVERLOADED_OPERATOR_IS.
933	(build_over_call): Likewise.
934	(has_trivial_copy_assign_p): Use assign_op_identifier.
935	(build_special_member_call): Likewise.
936	* class.c (dfs_declare_virt_assop_and_dtor): Likewise.
937	(vbase_has_user_provided_move_assign,
938	classtype_has_move_assign_or_move_ctor_p): Likewise.
939	* decl.c (duplicate_decls): Use DECL_OVERLOADED_OPERATOR_CODE.
940	(grok_special_member_properties): Use assign_op_identifier.
941	(start_preparsed_function): Use DECL_OVERLOADED_OPERATOR_IS.
942	* decl2.c (mark_used): Use DECL_CONV_FN_P.
943	* dump.c (dump_access): Delete prototype.
944	(dump_op): Delete.
945	(cp_dump_tree): Don't call it.
946	* lambda.c (lambda_function): Use call_op_identifier.
947	(maybe_add_lambda_conv_op): Not an overloaded operator.  Remove
948	unneeded braces.
949	* mangle.c (write_unqualified_name): Use DECL_OVERLOADED_OPERTOR_CODE.
950	* method.c (do_build_copy_assign): Use assign_op_identifier.
951	(synthesize_method): Use DECL_OVERLOADED_OPERATOR_IS.
952	(get_copy_assign): Use assign_op_identifier.
953	(synthesized_method_walk): Likewise.
954	(defaultable_fn_check): Use DECL_OVERLOADED_OPERATOR_IS.
955	* parser.c (cp_parser_lambda_declarator_opt): Use
956	call_op_identifier.
957	* semanitics.c (classtype_has_nothrow_assign_or_copy_p): Use
958	assign_op_identifier.
959	* tree.c (special_function_p):  Use DECL_OVERLOADED_OPERATOR_IS.
960	* typeck.c (check_return_expr): Use DECL_OVERLOADED_OPERATOR_CODE.
961	(check_return_expr): Use assign_op_identifier.
962
9632017-10-30  Paolo Carlini  <paolo.carlini@oracle.com>
964
965	PR c++/82085
966	* pt.c (tsubst_copy_and_build, [INDIRECT_REF]): For a REFERENCE_REF_P,
967	unconditionally call convert_from_reference.
968
9692017-10-30  Nathan Sidwell  <nathan@acm.org>
970
971	* call.c (build_op_call_1): Test for FUNCTION_DECL in same manner
972	as a few lines earlier.
973	* cp-tree.h (PACK_EXPANSION_PATTERN): Fix white space.
974	* decl.c (grokfndecl): Fix indentation.
975	(compute_array_index_type): Use processing_template_decl_sentinel.
976	(grok_op_properties): Move warnings to end.  Reorder other checks
977	to group similar entities.  Tweak diagnostics.
978	* lex.c (unqualified_name_lookup_error): No need to check name is
979	not ERROR_MARK operator.
980	* parser.c (cp_parser_operator): Select operator code before
981	looking it up.
982	* typeck.c (check_return_expr): Fix indentation and line wrapping.
983
9842017-10-27  Paolo Carlini  <paolo.carlini@oracle.com>
985
986	* pt.c (invalid_nontype_parm_type_p): Return a bool instead of an int.
987
9882017-10-26  Nathan Sidwell  <nathan@acm.org>
989
990	* decl.c (sort_labels): Restore function.
991	(pop_labels): Sort labels
992	(identify_goto): Add translation markup.
993
9942017-10-25  Nathan Sidwell  <nathan@acm.org>
995
996	Kill IDENTIFIER_LABEL_VALUE.
997	* cp-tree.h (lang_identifier): Delete label_value slot.
998	(IDENTIFIER_LABEL_VALUE, SET_IDENTIFIER_LABEL_VALUE): Delete.
999	(struct named_label_hasher): Rename to ...
1000	(struct named_label_hash): ... here.  Reimplement.
1001	(struct language_function): Adjust x_named_labels.
1002	* name-lookup.h (struct cp_label_binding): Delete.
1003	(struct cp_binding_level): Delete shadowed_labels slot.
1004	* decl.c (struct named_label_entry): Add name and outer slots.
1005	(pop_label): Rename to ...
1006	(check_label_used): ... here.  Don't pop.
1007	(note_label, sort_labels): Delete.
1008	(pop_labels, pop_local_label): Reimplement.
1009	(poplevel): Pop local labels as any other decl. Remove
1010	shadowed_labels handling.
1011	(named_label_hash::hash, named_label_hash::equal): New.
1012	(make_label_decl): Absorb into ...
1013	(lookup_label_1): ... here.  Add making_local_p arg, reimplement.
1014	(lookup_label, declare_local_label): Adjust.
1015	(check_goto, define_label): Adjust.
1016	* lex.c (make_conv_op_name): Don't clear IDENTIFIER_LABEL_VALUE.
1017	* ptree.c (cxx_print_identifier): Don't print identifier binding.
1018
1019	* decl.c (identifier_goto): Reduce duplication.
1020	(check_previous_goto_1): Likewise.
1021	(check_goto): Move var decls to initialization.
1022	(check_omp_return, define_label_1, define_label): Likewise.
1023
10242017-10-25  Jakub Jelinek  <jakub@redhat.com>
1025
1026	PR libstdc++/81706
1027	* decl.c (duplicate_decls): Copy "omp declare simd" attributes from
1028	newdecl to corresponding __builtin_ if any.
1029
10302017-10-24  Paolo Carlini  <paolo.carlini@oracle.com>
1031
1032	PR c++/82466
1033	* decl.c (duplicate_decls): Warn for built-in functions declared as
1034	non-function, use OPT_Wbuiltin_declaration_mismatch.
1035
1036	* decl.c (duplicate_decls): Avoid redundant '+' in warning_at.
1037
10382017-10-24  Paolo Carlini  <paolo.carlini@oracle.com>
1039
1040	PR c++/80991
1041	* pt.c (value_dependent_expression_p, [TRAIT_EXPR]): Handle
1042	a TREE_LIST as TRAIT_EXPR_TYPE2.
1043
10442017-10-24  Mukesh Kapoor  <mukesh.kapoor@oracle.com>
1045	    Paolo Carlini  <paolo.carlini@oracle.com>
1046
1047	PR c++/82307
1048	* cvt.c (type_promotes_to): Implement C++17, 7.6/4, about unscoped
1049	enumeration type whose underlying type is fixed.
1050
10512017-10-23  Paolo Carlini  <paolo.carlini@oracle.com>
1052
1053	PR c++/80449
1054	* semantics.c (finish_compound_literal): Check do_auto_deduction
1055	return value for error_mark_node.
1056
10572017-10-23  Jason Merrill  <jason@redhat.com>
1058
1059	PR c++/77369 - wrong noexcept handling in C++14 and below
1060	* tree.c (strip_typedefs): Canonicalize TYPE_RAISES_EXCEPTIONS.
1061
10622017-10-20  Nathan Sidwell  <nathan@acm.org>
1063
1064	* class.c (layout_class_type): Cleanup as-base creation, determine
1065	mode here.
1066	(finish_struct_1): ... not here.
1067
10682017-10-19  Jakub Jelinek  <jakub@redhat.com>
1069
1070	PR c++/82600
1071	* typeck.c (check_return_expr): Don't call
1072	maybe_warn_about_returning_address_of_local in templates.
1073
10742017-10-17  Nathan Sidwell  <nathan@acm.org>
1075
1076	PR c++/82560
1077	* call.c (build_over_call): Don't pass tf_no_cleanup to nested
1078	calls.
1079
1080	PR middle-end/82546
1081	* cp-objcp-common.c (cp_tree_size): Reformat.  Adjust returns size
1082	of TYPE nodes.
1083
10842017-10-13  Jason Merrill  <jason@redhat.com>
1085
1086	PR c++/82357 - bit-field in template
1087	* tree.c (cp_stabilize_reference): Just return a NON_DEPENDENT_EXPR.
1088
10892017-10-13  David Malcolm  <dmalcolm@redhat.com>
1090
1091	* cp-tree.h (maybe_show_extern_c_location): New decl.
1092	* decl.c (grokfndecl): When complaining about literal operators
1093	with C linkage, issue a note giving the location of the
1094	extern "C".
1095	* parser.c (cp_parser_new): Initialize new field
1096	"innermost_linkage_specification_location".
1097	(cp_parser_linkage_specification): Store the location
1098	of the linkage specification within the cp_parser.
1099	(cp_parser_explicit_specialization): When complaining about
1100	template specializations with C linkage, issue a note giving the
1101	location of the extern "C".
1102	(cp_parser_explicit_template_declaration): Likewise for templates.
1103	(maybe_show_extern_c_location): New function.
1104	* parser.h (struct cp_parser): New field
1105	"innermost_linkage_specification_location".
1106
11072017-10-12  Nathan Sidwell  <nathan@acm.org>
1108
1109	* cp-tree.h (cp_expr): Add const operator * and operator->
1110	accessors.
1111	(cp_tree_node_structure_enum): Delete TS_CP_BINDING,
1112	TS_CP_WRAPPER, LAST_TS_CP_ENUM.
1113
11142017-10-12  David Malcolm  <dmalcolm@redhat.com>
1115
1116	* parser.c (get_required_cpp_ttype): New function.
1117	(cp_parser_error_1): Call it, using the result to call
1118	maybe_suggest_missing_token_insertion.
1119
11202017-10-12  David Malcolm  <dmalcolm@redhat.com>
1121
1122	* parser.c (get_matching_symbol): Move to before...
1123	(cp_parser_error): Split out into...
1124	(cp_parser_error_1): ...this new function, merging in content
1125	from...
1126	(cp_parser_required_error): ...here.  Eliminate partial duplicate
1127	of body of cp_parser_error in favor of a call to the new
1128	cp_parser_error_1 helper function.
1129
11302017-10-11  Nathan Sidwell  <nathan@acm.org>
1131
1132	* decl2.c (struct mangled_decl_hash): Use DECL_ASSEMBLER_NAME_RAW.
1133	(record_mangling): Likewise.
1134
11352017-10-10  Nathan Sidwell  <nathan@acm.org>
1136
1137	* name-lookup.c (extern_c_fns): Rename to ...
1138	(extern_c_decls): ... here.
1139	(check_extern_c_conflict, extern_c_linkage_bindings): Update.
1140	(do_pushdecl): Check extern-c fns and vars.
1141
1142	* cp-tree.h (default_hash_traits <lang_identifier *>): Delete
1143	specialization.
1144
1145	* decl2.c (struct mangled_decl_hash): New hash traits.
1146	(mangled_decls): Make hash_table<mangled_decl_hash>.
1147	(generate_mangling_alias, record_mangling): Adjust.
1148
11492017-10-10  Jason Merrill  <jason@redhat.com>
1150
1151	More delayed lambda capture fixes.
1152	* call.c (add_function_candidate): Use build_address.
1153	(build_op_call_1): Call mark_lvalue_use early.
1154	(build_over_call): Handle error from build_this.
1155	* constexpr.c (cxx_bind_parameters_in_call): Use build_address.
1156	(cxx_eval_increment_expression): Don't use rvalue().
1157	* cvt.c (convert_to_void): Use mark_discarded_use.
1158	* expr.c (mark_use): Handle PARM_DECL, NON_DEPENDENT_EXPR.  Fix
1159	reference handling.  Don't copy the expression.
1160	(mark_discarded_use): New.
1161	* lambda.c (insert_capture_proxy): Add some sanity checking.
1162	(maybe_add_lambda_conv_op): Set cp_unevaluated_operand.
1163	* pt.c (register_local_specialization): Add sanity check.
1164	* semantics.c (process_outer_var_ref): Fix check for existing proxy.
1165	* typeck.c (cp_build_addr_expr_1): Handle error from
1166	mark_lvalue_use.
1167	(cp_build_modify_expr): Call mark_lvalue_use_nonread, handle error
1168	from rvalue.
1169
1170	Handle generic lambda capture in dependent expressions.
1171	* lambda.c (need_generic_capture, dependent_capture_r)
1172	(do_dependent_capture): New.
1173	* pt.c (processing_nonlambda_template): Use need_generic_capture.
1174	* semantics.c (maybe_cleanup_point_expr)
1175	(maybe_cleanup_point_expr_void, finish_goto_stmt)
1176	(maybe_convert_cond): Call do_dependent_capture.
1177	* typeck.c (build_static_cast): Remove dependent capture handling.
1178
1179	* typeck.c (condition_conversion): Assert !processing_template_decl.
1180	* semantics.c (finish_omp_clauses): Don't
1181	fold_build_cleanup_point_expr if processing_template_decl.
1182	(outer_var_p): A temporary can't be from an outer scope.
1183	* pt.c (type_dependent_expression_p): Fix dependency checking of
1184	functions without DECL_TEMPLATE_INFO.
1185	(instantiate_decl): Use lss_copy.
1186	* constexpr.c (is_valid_constexpr_fn): Fix lambdas before C++17.
1187
1188	* typeck.c (check_return_expr): Check non-dependent conversion in
1189	templates.
1190	* constraint.cc (check_function_concept): Don't complain about an
1191	empty concept if seen_error.
1192
11932017-10-10  Richard Sandiford  <richard.sandiford@linaro.org>
1194
1195	* cvt.c (ignore_overflows): Use wi::to_wide when
1196	operating on trees as wide_ints.
1197	* decl.c (check_array_designated_initializer): Likewise.
1198	* mangle.c (write_integer_cst): Likewise.
1199	* semantics.c (cp_finish_omp_clause_depend_sink): Likewise.
1200
12012017-10-10  Nathan Sidwell  <nathan@acm.org>
1202
1203	* name-lookup.c (set_global_binding): Don't deal with STAT_HACK.
1204
12052017-10-06  Paolo Carlini  <paolo.carlini@oracle.com>
1206
1207	PR c++/47791
1208	* decl.c (finish_function): Take a bool intead of an int; adjust.
1209	* cp-tree.h (finish_function): Adjust declaration.
1210	* decl2.c (generate_tls_wrapper, finish_objects,
1211	finish_static_storage_duration_function): Adjust calls.
1212	* lambda.c (maybe_add_lambda_conv_op, finish_lambda_function):
1213	Likewise.
1214	* method.c (synthesize_method): Likewise.
1215	* optimize.c (maybe_thunk_body, maybe_clone_body): Likewise.
1216	* pt.c (instantiate_decl): Likewise.
1217	* parser.c (cp_parser_function_definition_after_declarator,
1218	cp_parser_late_parsing_for_member, cp_parser_omp_declare_reduction):
1219	Likewise.
1220	(cp_parser_ctor_initializer_opt,
1221	cp_parser_ctor_initializer_opt_and_function_body,
1222	cp_parser_function_try_block,
1223	cp_parser_function_definition_after_declarator,
1224	cp_parser_function_transaction): Return void; adjust declarations.
1225
12262017-10-06  Nathan Sidwell  <nathan@acm.org>
1227
1228	PR c++/82424
1229	* name-lookup.c (check_local_shadow): Don't try and convert
1230	dependent types.
1231
12322017-10-06  Jakub Jelinek  <jakub@redhat.com>
1233
1234	PR c++/82299
1235	* decl.c (reshape_init): Suppress warn_useless_cast for direct enum
1236	init.
1237	* typeck.c (convert_for_assignment): Likewise.
1238
1239	P0704R1 - fixing const-qualified pointers to members
1240	* typeck2.c (build_m_component_ref): For -std=c++2a allow
1241	pointer to const & qualified method on rvalue.
1242
12432017-10-06  Nathan Sidwell  <nathan@acm.org>
1244
1245	Use hash_table for extern "C" names
1246	* name-lookup.c (extern_c_fns): Use hash_table.
1247	(check_extern_c_conflict): Adjust.
1248	(c_linkage_bindings): Adjust.
1249
1250	Use hash_table for namespace bindings
1251	* cp-tree.h (struct named_decl_hash): New.
1252	(lang_decl_ns): Change type of bindings field.
1253	* lex.c (maybe_add_lang_decl_raw): Adjust.
1254	* name-lookup.c (find_namespace_slot): Adjust.
1255	(do_pushdecl): Push NULL-named namespace.
1256	(do_push_nested_namespace): Adjust.
1257	(push_namespace): Push anonymous namespace as NULL name.
1258
12592017-10-05  Jason Merrill  <jason@redhat.com>
1260
1261	Pass variadic class objects exactly like named by-value args.
1262	* call.c (convert_arg_to_ellipsis): Use the result of force_rvalue.
1263
12642017-10-05  Nathan Sidwell  <nathan@acm.org>
1265
1266	Warn on MVP declarations
1267	* cp-tree.h (struct cp_declarator): Add parenthesized field.
1268	* decl.c (grokdeclarator): Warn about unnecessary parens.
1269	* parser.c (make_declarator): Init parenthesized field.
1270	(cp_parser_direct_declarator): Set parenthesized field.
1271
1272	Kill IDENTIFIER_GLOBAL_VALUE, SET_IDENTIFIER_GLOBAL_VALUE
1273	* cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
1274	SET_IDENTIFIER_GLOBAL_VALUE): Delete.
1275	* name-lookup.h (set_global_binding): Remove NAME parm.
1276	(get_global_binding): New inline fn.
1277	* name-lookup.c (set_global_binding): Remove NAME parm. Adjust.
1278	(identifier_global_value): Move to ...
1279	* cp-objcp-common.c (identifier_global_value): ... here.
1280	* class.c (build_ctor_vtbl_group, build_vtbl_initializer): Adjust.
1281	* decl.c (record_builtin_type, expand_static_init,
1282	grokdeclarator): Adjust.
1283	* decl2.c (get_guard, get_local_tls_init_fn, get_tls_init_fn,
1284	get_tls_wrapper_fn, maybe_warn_sized_delete): Adjust.
1285	* except.c (declare_library_fn, build_throw): Adjust.
1286	* init.c (throw_bad_array_length): Adjust.
1287	* rtti.c (throw_bad_cast, throw_bad_typeid, get_tinfo_decl): Adjust.
1288
1289	* decl2.c (record_mangling): Fix spello and formatting from
1290	previous patch.
1291
12922017-10-04  Nathan Sidwell  <nathan@acm.org>
1293
1294	Give builtin types the correct name.
1295	* name-lookup.c (set_global_binding): Assert name is DECL_NAME.
1296	* decl.c (record_builtin_type): Reimplement, use new TYPE_DECL for
1297	rname.
1298
12992017-10-04  Paolo Carlini  <paolo.carlini@oracle.com>
1300	    Andrew Pinski  <apinski@cavium.com>
1301
1302	PR c++/71946
1303	* parser.c (cp_parser_lambda_body): Set parser->in_function_body.
1304
13052017-10-04  Nathan Sidwell  <nathan@acm.org>
1306
1307	Move mangling aliases out of global namespace.
1308	* cp-tree.h (record_mangling): New.
1309	(maybe_remove_implicit_alias): Delete.
1310	* decl2.c (mangled_decls): New hash map.
1311	(generate_mangling_alias): Reimplement using mangled_decls.
1312	(record_mangling): New.
1313	* mangle.c (decl_implicit_alias_p,
1314	maybe_remove_implicit_alias): Delete.
1315	(mangle_decl): Use record_mangling.
1316	* name-lookup.c (supplement_binding_1): Remove
1317	maybe_remove_implicit_alias check.
1318
13192017-10-04  Jakub Jelinek  <jakub@redhat.com>
1320
1321	PR c++/82373
1322	* error.c (dump_function_decl): If show_return, call dump_type_suffix
1323	on the same return type dump_type_prefix has been called on.
1324
13252017-10-04  Jason Merrill  <jason@redhat.com>
1326
1327	PR c++/81525 - broken handling of auto in generic lambda.
1328	* pt.c (tsubst_decl) [VAR_DECL]: Use strip_innermost_template_args.
1329
13302017-10-04  Nathan Sidwell  <nathan@acm.org>
1331
1332	* call.c (convert_arg_to_ellipsis): Correct comment about passing
1333	by reference.
1334
13352017-10-02  Richard Sandiford  <richard.sandiford@linaro.org>
1336
1337	* constexpr.c (cxx_eval_store_expression): Use wi::to_widest
1338	when comparing the array bounds with an ARRAY_REF index.
1339
13402017-09-30  Paolo Carlini  <paolo.carlini@oracle.com>
1341
1342	PR c++/68754
1343	* method.c (defaulted_late_check): Early return if the defaulted
1344	declaration does not match the expected signature.
1345
13462017-09-29  Jakub Jelinek  <jakub@redhat.com>
1347
1348	P0683R1 - default member initializers for bit-fields
1349	* cp-tree.h (grokbitfield): Add INIT parameter.
1350	* parser.c (cp_parser_constant_expression): Add STRICT_P argument,
1351	if true, parse a conditional-expression rather than
1352	assignment-expression.
1353	(cp_parser_member_declaration): For C++11 and later pass true
1354	as STRICT_P to cp_parser_constant_expression.  Parse C++2A bitfield
1355	NSDMIs.  Adjust grokbitfield caller.  Handle DECL_INITIAL also for
1356	DECL_C_BIT_FIELDs.
1357	(cp_parser_objc_class_ivars): Adjust grokbitfield caller.
1358	* class.c (check_field_decl): Recurse even for DECL_C_BIT_FIELDs.
1359	(check_field_decls): Call check_field_decl even for DECL_C_BIT_FIELDs.
1360	* decl2.c (grokbitfield): Add INIT parameter, pass it to
1361	cp_finish_decl.
1362	* pt.c (tsubst_decl): Handle DECL_INITIAL for all FIELD_DECLs, not
1363	just non-bitfields.
1364
1365	* class.c (check_bitfield_decl): Retrieve and clear width from
1366	DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL.
1367	(check_field_decls): Test DECL_BIT_FIELD_REPRESENTATIVE rather than
1368	DECL_INITIAL.
1369	(remove_zero_width_bit_fields): Adjust comment.
1370	* decl2.c (grokbitfield): Stash width into
1371	DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL.
1372	* pt.c (tsubst_decl): For DECL_C_BIT_FIELD, tsubst_expr
1373	DECL_BIT_FIELD_REPRESENTATIVE rather than DECL_INITIAL for width.
1374
1375	* parser.c (cp_parser_member_declaration): Parse attributes before
1376	colon of a bitfield in addition to after colon.
1377
1378	* Make-lang.in (check-c++-all): Test also c++2a.
1379
13802017-09-28  Jason Merrill  <jason@redhat.com>
1381
1382	PR c++/56973, DR 696 - capture constant variables only as needed.
1383	* expr.c (mark_use): Split out from mark_rvalue_use and
1384	mark_lvalue_use.  Handle lambda capture of constant variables.
1385	(mark_lvalue_use_nonread): New.
1386	* semantics.c (process_outer_var_ref): Don't capture a constant
1387	variable until forced.
1388	* pt.c (processing_nonlambda_template): New.
1389	* call.c (build_this): Check it.
1390	* decl2.c (grok_array_decl): Call mark_rvalue_use and
1391	mark_lvalue_use_nonread.
1392	* init.c (constant_value_1): Don't call mark_rvalue_use.
1393	* typeck.c (build_static_cast): Handle lambda capture.
1394
1395	Use local_specializations to find capture proxies.
1396	* cp-tree.h (DECL_CAPTURED_VARIABLE): New.
1397	* lambda.c (build_capture_proxy): Set it.
1398	(add_capture): Pass initializer to build_capture_proxy.
1399	(start_lambda_function): Likewise.
1400	(insert_capture_proxy): Use register_local_specialization.
1401	(is_lambda_ignored_entity): Always ignore proxies.
1402	* name-lookup.c (qualify_lookup): Don't check
1403	is_lambda_ignored_entity if LOOKUP_HIDDEN is set.
1404	* semantics.c (process_outer_var_ref): Use
1405	retrieve_local_specialization.
1406	* parser.c (cp_parser_lambda_body): Push local_specializations.
1407	* pt.c (tsubst_expr): Pass LOOKUP_HIDDEN when looking for a proxy.
1408	(tsubst_lambda_expr): Push local_specializations sooner.
1409	(tsubst_copy_and_build): Don't register_local_specialization.
1410
1411	* call.c (build_special_member_call): Use the return value of
1412	mark_lvalue_use.
1413	* decl.c (compute_array_index_type): Likewise.
1414	* parser.c (cp_parser_oacc_wait_list): Likewise.
1415	* lambda.c (is_normal_capture_proxy): Handle *this capture.
1416	(add_capture): Clarify internal_error message.
1417
14182017-09-22  Eric Botcazou  <ebotcazou@adacore.com>
1419
1420	PR bootstrap/81926
1421	* cp-objcp-common.c (cp_get_debug_type): Do only one lookup.
1422
14232017-09-22  Jakub Jelinek  <jakub@redhat.com>
1424
1425	PR sanitizer/81929
1426	* tree.c (struct replace_placeholders_t): Add pset field.
1427	(replace_placeholders_r): Call cp_walk_tree with d->pset as
1428	last argument instead of NULL.  Formatting fix.
1429	(replace_placeholders): Add pset variable, add its address
1430	into data.  Pass &pset instead of NULL to cp_walk_tree.
1431
14322017-09-22  David Malcolm  <dmalcolm@redhat.com>
1433
1434	* call.c (get_fndecl_argument_location): New function.
1435	(convert_like_real): Use it  when complaining about argument type
1436	mismatches.
1437	* cp-tree.h (struct cp_parameter_declarator): Add "loc" field.
1438	* parser.c (make_parameter_declarator): Add "loc" param and use
1439	it to initialize the new field.
1440	(cp_parser_translation_unit): Add UNKNOWN_LOCATION for "loc" of
1441	the "no_parameters" parameter.
1442	(cp_parser_parameter_declaration_list): Set the location of the
1443	result of grokdeclarator to be the parameter's loc, assuming no
1444	errors.
1445	(cp_parser_parameter_declaration): Generate a location for the
1446	parameter and pass to make_parameter_declarator.
1447
14482017-09-20  Nathan Sidwell  <nathan@acm.org>
1449
1450	* name-lookup.c (member_name_cmp): Use DECL_UID for final
1451	ordering.
1452
14532017-09-20  Jakub Jelinek  <jakub@redhat.com>
1454
1455	P0409R2 - allow lambda capture [=, this]
1456	* parser.c (cp_parser_lambda_introducer): For cxx2a don't pedwarn on
1457	redundant [=, this].
1458
14592017-09-18  Jason Merrill  <jason@redhat.com>
1460
1461	PR c++/82069 - ICE with lambda in template
1462	* semantics.c (process_outer_var_ref): Check uses_template_parms
1463	instead of any_dependent_template_arguments_p.
1464
14652017-09-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1466	    Paolo Carlini  <paolo.carlini@oracle.com>
1467
1468	PR c++/64644
1469	* decl2.c (finish_anon_union): Complain about "anonymous union with
1470	no members" with a pedwarn.
1471
14722017-09-15  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1473
1474	* typeck.c (build_reinterpret_cast_1,
1475	build_const_cast_1): Implement -Wcast-align=strict.
1476
14772017-09-15  Jakub Jelinek  <jakub@redhat.com>
1478
1479	* decl.c (redeclaration_error_message): Use cxx17 instead of cxx1z,
1480	adjust diagnostics refering to C++1z or -std=gnu++1z or -std=c++1z
1481	to C++17 or -std=gnu++17 or -std=c++17.  Adjust comments.
1482	(cxx_init_decl_processing, next_initializable_field,
1483	is_direct_enum_init, check_initializer, cp_finish_decl,
1484	mark_inline_variable, grokdeclarator, grokparms, xref_basetypes,
1485	finish_function): Likewise.
1486	* cp-tree.h (DECL_INLINE_VAR_P): Likewise.
1487	* pt.c (mark_template_parm, convert_nontype_argument,
1488	instantiate_class_template_1, type_unification_real, unify,
1489	get_partial_spec_bindings, dependent_type_p_r): Likewise.
1490	* typeck.c (cp_build_unary_op): Likewise.
1491	* constexpr.c (var_in_maybe_constexpr_fn): Likewise.
1492	* call.c (build_user_type_conversion_1, build_over_call,
1493	build_special_member_call): Likewise.
1494	* lambda.c (begin_lambda_type): Likewise.
1495	* typeck2.c (process_init_constructor_record): Likewise.
1496	* class.c (build_base_field, finalize_literal_type_property,
1497	explain_non_literal_class): Likewise.
1498	* parser.c (cp_parser_diagnose_invalid_type_name,
1499	cp_parser_primary_expression, cp_parser_lambda_introducer,
1500	cp_parser_lambda_declarator_opt, cp_parser_selection_statement,
1501	cp_convert_range_for, cp_parser_perform_range_for_lookup,
1502	cp_parser_decomposition_declaration, cp_parser_linkage_specification,
1503	cp_parser_static_assert, cp_parser_simple_type_specifier,
1504	cp_parser_namespace_definition, cp_parser_using_declaration,
1505	cp_parser_init_declarator, cp_parser_type_parameter_key,
1506	cp_parser_exception_specification_opt, cp_parser_std_attribute_spec,
1507	cp_parser_constructor_declarator_p): Likewise.
1508	* mangle.c (struct globals): Rename need_cxx1z_warning to
1509	need_cxx17_warning.
1510	(write_exception_spec, start_mangling, mangle_decl): Likewise.
1511	* Make-lang.in (check-c++1z): Rename to check-c++17, depend on
1512	it.
1513	(check-c++17): New goal.  Use 17 instead of 1z.
1514	(check-c++-all): Use 17 instead of 1z.
1515
15162017-09-14  Jakub Jelinek  <jakub@redhat.com>
1517
1518	PR c++/81314
1519	* cp-gimplify.c (omp_var_to_track): Look through references.
1520	(omp_cxx_notice_variable): Likewise.
1521
15222017-09-13  Nathan Sidwell  <nathan@acm.org>
1523
1524	Conv-op identifers not in identifier hash table
1525	* lex.c (conv_type_hasher): Make member fns inline.
1526	(make_conv_op_name): Directly clone conv_op_identifier.
1527
1528	Rename CLASSTYPE_METHOD_VEC to CLASSTYPE_MEMBER_VEC.
1529	* cp-tree.h (struct lang_type): Rename methods to members.
1530	(CLASSTYPE_METHOD_VEC): Rename to ...
1531	(CLASSTYPE_MEMBER_VEC): ... this.
1532	* name-lookup.h (get_method_slot): Rename to ...
1533	(get_member_slot): ... this.
1534	(resort_type_method_vec): Rename to ...
1535	(resort_type_member_vec): ... this.
1536	* class.c (add_method, warn_hidden): Adjust.
1537	* search.c (dfs_locate_field_accessor_pre): Adjust.
1538	* name-lookup.c (method_vec_binary_search): Rename to ...
1539	(member_vec_binary_search): ... this and adjust.
1540	(method_vec_linear_search): Rename to ...
1541	(member_vec_linear_search): ... this and adjust.
1542	(fields_linear_search, get_class_binding_direct): Adjust.
1543	(get_method_slot): Rename to ...
1544	(get_member_slot): ... this and adjust.
1545	(method_name_slot): Rename to ...
1546	(member_name_slot): ... this and adjust.
1547	(resort_type_method_vec): Rename to ...
1548	(resort_type_member_vec): ... this and adjust.
1549	(method_vec_append_class_fields): Rename to ...
1550	(member_vec_append_class_fields): ... this and adjust.
1551	(method_vec_append_enum_values): Rename to ...
1552	(member_vec_append_enum_values): ... this and adjust.
1553	(method_vec_dedup): Rename to ...
1554	(member_vec_dedup): ... this and adjust.
1555	(set_class_bindings, insert_late_enum_def_bindings): Adjust.
1556	
15572017-09-12  Paolo Carlini  <paolo.carlini@oracle.com>
1558
1559	PR c++/70621
1560	* decl.c (start_decl): Early return error_mark_node if duplicate_decls
1561	returns it; avoid misleading error message.
1562
15632017-09-12  Nathan Sidwell  <nathan@acm.org>
1564
1565	Kill CLASSTYPE_SORTED_FIELDS.
1566	* cp-tree.h (struct lang_type): Lose sorted_fields member.
1567	(CLASSTYPE_SORTED_FIELDS): Delete.
1568	* name-lookup.h (set_class_bindings): Add EXTRA arg.
1569	* name-lookup.c (fields_linear_search): New, broken out of ...
1570	(lookup_field_1): ... here.  Delete remainder of function.
1571	(get_class_binding_direct): Reimplement without sorted_fields.
1572	(get_class_binding): Rename TYPE arg to KLASS, for consistency.
1573	(get_method_slot): Call set_class_binding when creating method_vec
1574	on complete type.
1575	(method_name_cmp): Order identically named slots.
1576	(sorted_fields_type_new): Delete.
1577	(field_vc_append_class_fields): Rename to ...
1578	(method_vec_append_class_fields): ... here.  Adjust.
1579	(field_vec_append_enum_values): Renme to ...
1580	(method_vec_append_enum_values): ... here. Adjust.
1581	(method_vec_dedup): New.
1582	(set_class_bindings): Reimplement.
1583	(insert_late_enum_def_bindings): Reimplement.
1584
1585	* name-lookup.c (get_class_binding): Rename TYPE arg to KLASS for
1586	consistency.
1587	(restort_data): Move later.
1588	(method_name_cmp, resort_method_name_cmp): Simplify.
1589	(resort_type_method_vec): Reformat.
1590
15912017-09-09  Jason Merrill  <jason@redhat.com>
1592
1593	* constexpr.c (reduced_constant_expression_p): If
1594	CONSTRUCTOR_NO_IMPLICIT_ZERO, check that all fields are initialized.
1595
15962017-09-09  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598	PR bootstrap/81926
1599	* cp-objcp-common.c (struct debug_type_hasher): New class.
1600	(debug_type_hash): New variable.
1601	(cp_get_debug_type): Associate the OFFSET_TYPEs with the types.
1602
16032017-09-08  Jason Merrill  <jason@redhat.com>
1604
1605	PR c++/70029 - ICE with ref-qualifier and -flto
1606	* tree.c (cxx_copy_lang_qualifiers): New.
1607	* cp-tree.h: Declare it.
1608	* cp-objcp-common.h: Define LANG_HOOKS_COPY_LANG_QUALIFIERS.
1609
16102017-09-06  Jason Merrill  <jason@redhat.com>
1611
1612	PR c++/82053 - ICE with default argument in lambda in template
1613	* pt.c (tsubst_arg_types): Substitute default arguments for lambdas
1614	in templates.
1615	(retrieve_specialization): Use lambda_fn_in_template_p.
1616	* cp-tree.h: Declare it.
1617
1618	PR c++/82070 - error with nested lambda capture
1619	* pt.c (tsubst_expr) [DECL_EXPR]: Register capture proxies with
1620	register_local_specialization.
1621
16222017-09-06  Nathan Sidwell  <nathan@acm.org>
1623
1624	* name-lookup.h (lookup_field_1): Delete.
1625	(get_class_binding_direct, get_class_binding): Add type_or_fns arg.
1626	* name-lookup.c	(lookup_field_1): make static
1627	(method_vec_binary_search, method_vec_linear_search): New.  Broken
1628	out of ...
1629	(get_class_binding_direct): ... here.  Add TYPE_OR_FNS argument.
1630	Do complete search of this level.
1631	(get_class_binding): Adjust.
1632	* decl.c (reshape_init_class): Call get_class_binding.
1633	* search.c (lookup_field_r): Move field searching into
1634	get_class_binding_direct.
1635
1636	* class.c (warn_hidden): Don't barf on non-functions.
1637	* decl2.c (check_classfn): Likewise.  Check template match earlier.
1638
1639	* name-lookup.c (count_fields): Rename to ...
1640	(count_class_fields): ... here.  Take a class, don't count
1641	NULL-named fields.
1642	(add_fields_to_record_type): Rename to ...
1643	(field_vec_append_class_fields): ... here.  Take a class, don't
1644	add NULL-named fields.
1645	(add_enum_fields_to_record_type): Rename to ...
1646	(field_vec_append_enum_values): ... here.
1647	(set_class_bindings): Adjust, assert we added expected number.
1648	(insert_late_enum_def_bindings): Reimplement.  Create vector if
1649	there are now sufficient entries.
1650
1651	* name-lookup.h (lookup_fnfields_slot_nolazy,
1652	lookup_fnfields_slot): Rename to ...
1653	(get_class_binding_direct, get_class_binding): ... here.
1654	* name-lookup.c (lookup_fnfields_slot_nolazy,
1655	lookup_fnfields_slot): Rename to ...
1656	(get_class_binding_direct, get_class_binding): ... here.
1657	* cp-tree.h (CLASSTYPE_CONSTRUCTORS, CLASSTYPE_DESTRUCTOR): Adjust.
1658	* call.c (build_user_type_conversion_1): Adjust.
1659	(has_trivial_copy_assign_p): Adjust.
1660	(has_trivial_copy_p): Adjust.
1661	* class.c (get_basefndecls) Adjust.
1662	(vbase_has_user_provided_move_assign) Adjust.
1663	(classtype_has_move_assign_or_move_ctor_p): Adjust.
1664	(type_build_ctor_call, type_build_dtor_call): Adjust.
1665	* decl.c (register_dtor_fn): Adjust.
1666	* decl2.c (check_classfn): Adjust.
1667	* pt.c (retrieve_specialization): Adjust.
1668	(check_explicit_specialization): Adjust.
1669	(do_class_deduction): Adjust.
1670	* search.c (lookup_field_r): Adjust.
1671	(look_for_overrides_here, lookup_conversions_r): Adjust.
1672	* semantics.c (classtype_has_nothrow_assign_or_copy_p): Adjust.
1673	* tree.c (type_has_nontrivial_copy_init): Adjust.
1674	* method.c (lazily_declare_fn): Adjust comment.
1675
16762017-09-05  Nathan Sidwell  <nathan@acm.org>
1677
1678	* name-lookup.c (do_class_using_decl): Elide read-once temps.
1679	Move declarations to initializations.
1680
1681	* class.c (add_method): Move slot search and insertion to ...
1682	* name-lookup.c (get_method_slot): ... this new function.
1683	(lookup_fnfields_slot_nolazy): Cope with NULL slot.
1684	* name-lookup.h (get_method_slot): Declare.
1685	* decl.c (cxx_init_decl_processinng): Give conv_op_marker a more
1686	realistic type.
1687	(grok_special_member_properties): Set
1688	TYPE_HAS_CONVERSION. Expicitly look at DECL_NAME for specialness.
1689	Improve TYPE_HAS_CONSTEXPR_CTOR setting.	
1690
1691	* cp-tree.h (lang_decl_base): Rename template_conv_p to
1692	unknown_bound_p.
1693	(DECL_CONV_FN_P): Don't check NULL DECL_NAME.
1694	(DECL_CONV_FN_TYPE): FN must be conv op.
1695	(DECL_TEMPLATE_CONV_FN_P): Delete.
1696	(VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): Adjust.
1697	* pt.c (push_template_decl_real): Delete DECL_TEMPLATE_CONV_FN_P
1698	setting.
1699
1700	* class.c (unreverse_member_declarations): Remove extraneous if.
1701	* pt.c (push_template_decl_real): Use string concatenation, not
1702	\<newline>.  Add %<..%>.
1703
17042017-09-05  Paolo Carlini  <paolo.carlini@oracle.com>
1705
1706	PR c++/81942
1707	* cp-tree.h (LABEL_DECL_CDTOR): Add and document.
1708	* decl.c (start_preparsed_function): Set LABEL_DECL_CDTOR when
1709	creating cdtor_label.
1710	* constexpr.c (returns): Add the case of a constructor/destructor
1711	returning via a LABEL_DECL_CDTOR label.
1712	(cxx_eval_constant_expression, case [GOTO_EXPR]): Likewise.
1713
17142017-09-01  Nathan Sidwell  <nathan@acm.org>
1715
1716	* cp-tree.h (resort_type_method_vec): Move declaration to ...
1717	* name-lookup.h (resort_type_method_vec): ... here.
1718	(set_class_bindings): Lose 2nd arg.
1719	* class.c (finish_struct_1, finish_struct): Adjust
1720	set_class_bindings call.  Don't call finish_struct_methods.
1721	(resort_data, method_name_cmp, resort_method_name_cmp,
1722	resort_type_method_vec, finish_struct_methods): Move to ...
1723	* name-lookup.c (resort_data, method_name_cmp,
1724	resort_method_name_cmp, resort_type_method_vec): ... here.
1725	(set_class_bindings): Lose fields arg.  Swallow finish_struct_methods.
1726
1727	* class.c (finish_struct): Call set_class_bindings for the
1728	template case too.
1729
1730	* class.c (finish_struct_methods): Dont clear DECL_IN_AGGR_P here.
1731	Don't call maybe_warn_about_overly_private_class here.
1732	(warn_hidden): Cleanup declarations and comments.
1733	(type_has_user_provided_constructor): No need to check
1734	CLASSTYPE_METHOD_VEC.
1735	(type_has_user_provided_or_explicit_constructor): Likewise.
1736	(classtype_has_move_assign_or_move_ctor_p): Likewise.
1737	(check_bases_and_members): Don't call finish_struct_methods here.
1738	(finish_struct_1): Call finish_struct_methods and
1739	set_class_bindings immediately after layout.  Clear DECL_IN_AGGR_P
1740	here.
1741	(finish_struct): For templates process USING_DECLS and clear
1742	DECL_IN_AGGR_P before calling finish_struct_methods. Call
1743	maybe_warn_about_overly_private_class here.
1744
1745	Revert 2017-08-28  Nathan Sidwell  <nathan@acm.org>
1746	Restore sorted_fields vector.
1747	* cp-tree.h (lang_type): Restore sorted_fields vector.
1748	(CLASSTYPE_SORTED_FIELDS): Restore.
1749	(CLASSTYPE_BINDINGS): Delete.
1750	* name-lookup.c (lookup_field_1): Restore binary search.
1751	(sorted_fields_type_new, count_fields,
1752	add_fields_to_record_type, add_enum_fields_to_record_type): Restore
1753	(set_class_bindings): Revert.
1754	(insert_late_enum_def_binding): Restore field_vec insertion.
1755
17562017-09-01  Jakub Jelinek  <jakub@redhat.com>
1757
1758	PR c/81887
1759	* parser.c (cp_parser_omp_ordered): Handle -fopenmp-simd.
1760
17612017-09-01  Marek Polacek  <polacek@redhat.com>
1762
1763	PR c++/82040
1764	* typeck.c (cp_build_unary_op): Avoid re-entering reporting routines.
1765
17662017-08-30  Jason Merrill  <jason@redhat.com>
1767
1768	PR c++/82029 - __PRETTY_FUNCTION__ in lambda in template
1769	* pt.c (enclosing_instantiation_of, lambda_fn_in_template_p)
1770	(regenerated_lambda_fn_p): New.
1771	(tsubst_decl) [VAR_DECL]: Use enclosing_instantiation_of.
1772	(tsubst_copy) [VAR_DECL]: Likewise.
1773
1774	PR c++/82030 - ICE inheriting from multiple lambdas
1775	PR c++/80767
1776	* call.c (compare_ics): Handle null candidate.
1777
17782017-08-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
1779
1780	Make taking the address of an overloaded function a non-deduced context
1781
1782	* pt.c (unify_overload_resolution_failure): Remove.
1783	(unify_one_argument): Adjust.
1784
17852017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1786	    Alan Hayward  <alan.hayward@arm.com>
1787	    David Sherwood  <david.sherwood@arm.com>
1788
1789	* typeck.c (cp_build_binary_op): Use SCALAR_TYPE_MODE.
1790
17912017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1792	    Alan Hayward  <alan.hayward@arm.com>
1793	    David Sherwood  <david.sherwood@arm.com>
1794
1795	* cvt.c (cp_convert_to_pointer): Use SCALAR_INT_TYPE_MODE.
1796
17972017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
1798	    Alan Hayward  <alan.hayward@arm.com>
1799	    David Sherwood  <david.sherwood@arm.com>
1800
1801	* mangle.c (write_real_cst): Use SCALAR_FLOAT_TYPE_MODE
1802	instead of TYPE_MODE.
1803
18042017-08-29  Jason Merrill  <jason@redhat.com>
1805
1806	PR c++/81236 - ICE with template-id in generic lambda
1807	* semantics.c (finish_id_expression): Remove special dependent case.
1808	Avoid some later pieces when dependent.
1809	(finish_qualified_id_expr): Do normal BASELINK handling in a
1810	template.  Always build a SCOPE_REF for a destructor BIT_NOT_EXPR.
1811	(parsing_default_capturing_generic_lambda_in_template): Remove.
1812	* parser.c (cp_parser_postfix_dot_deref_expression): Always give an
1813	error for types that will never be complete.
1814	* mangle.c (write_expression): Add sanity check.
1815	* tree.c (build_qualified_name): Add sanity check.
1816	(cp_walk_subtrees): Walk into the class context of a BASELINK.
1817	* lambda.c (add_capture): Improve diagnostic for generic lambda
1818	capture failure.
1819	* call.c (build_new_method_call_1): Print the right constructor
1820	name.
1821
1822	Reimplement handling of lambdas in templates.
1823	* cp-tree.h (LAMBDA_FUNCTION_P): Check DECL_DECLARES_FUNCTION_P.
1824	* decl.c (start_preparsed_function): Call start_lambda_scope.
1825	(finish_function): Call finish_lambda_scope.
1826	* init.c (get_nsdmi): Call start/finish_lambda_scope.
1827	* lambda.c (start_lambda_scope): Only ignore VAR_DECL in a function.
1828	* parser.c (cp_parser_function_definition_after_declarator): Don't
1829	call start/finish_lambda_scope.
1830	* pt.c (retrieve_specialization): Ignore lambda functions in
1831	templates.
1832	(find_parameter_packs_r): Ignore capture proxies.  Look into
1833	lambdas.
1834	(check_for_bare_parameter_packs): Allow bare packs in lambdas.
1835	(tsubst_default_argument): Call start/finish_lambda_scope.
1836	(tsubst_function_decl): Handle lambda functions differently.
1837	(tsubst_template_decl): Likewise.
1838	(tsubst_expr) [DECL_EXPR]: Skip closure declarations and capture
1839	proxies.
1840	(tsubst_lambda_expr): Create a new closure rather than instantiate
1841	the one from the template.
1842	(tsubst_copy_and_build): Don't register a specialization of a pack.
1843	(regenerate_decl_from_template): Call start/finish_lambda_scope.
1844	(instantiate_decl): Remove special lambda function handling.
1845	* semantics.c (process_outer_var_ref): Remove special generic lambda
1846	handling.  Don't implicitly capture in a lambda in a template.  Look
1847	for an existing proxy.
1848	* class.c (current_nonlambda_class_type): Use decl_type_context.
1849
1850	* cp-tree.h (LAMBDA_EXPR_CLOSURE): Use TREE_TYPE.
1851	(LAMBDA_EXPR_RETURN_TYPE): Remove.
1852	(struct tree_lambda_expr): Remove closure and return_type fields.
1853	* lambda.c (build_lambda_expr): Don't set LAMBDA_EXPR_RETURN_TYPE.
1854	* pt.c (tsubst_copy_and_build): Likewise.
1855	* parser.c (cp_parser_lambda_declarator_opt): Track return type.
1856	(cp_parser_lambda_body): Adjust unspecified return type check.
1857	* ptree.c (cxx_print_lambda_node): Don't print closure or
1858	return type.
1859
1860	PR c++/80935 - wrong C++17 error with lambda
1861	* decl.c (check_for_uninitialized_const_var): Check
1862	is_instantiation_of_constexpr.
1863	* constexpr.c (ensure_literal_type_for_constexpr_object): Check
1864	is_instantiation_of_constexpr.
1865	(potential_constant_expression_1): Check var_in_maybe_constexpr_fn.
1866
1867	* lambda.c (build_lambda_object): Check for error_mark_node.
1868	* pt.c (make_pack_expansion): Set PACK_EXPANSION_LOCAL_P on the type
1869	pack as well.
1870	(tsubst_decl) [FUNCTION_DECL]: Set DECL_CONTEXT on the parameters.
1871	(tsubst) [TEMPLATE_PARM_INDEX]: Check for error_mark_node.
1872
1873	PR c++/80767 - unnecessary instantiation of generic lambda
1874	* call.c (convert_like_real): Call build_user_type_conversion_1 if
1875	cand is null.
1876	(add_conv_candidate): Build a ck_user conversion with no candidate.
1877
1878	Fix lambdas in template default argument of inherited ctor.
1879	* method.c (synthesized_method_base_walk): Replace an inherited
1880	template with its specialization.
1881	(synthesized_method_walk): Make inheriting_ctor a pointer.
1882	(maybe_explain_implicit_delete, explain_implicit_non_constexpr)
1883	(deduce_inheriting_ctor, implicitly_declare_fn): Adjust.
1884
1885	* pt.c (build_deduction_guide): Set DECL_ABSTRACT_ORIGIN on the
1886	template, not the function.
1887	(template_guide_p): Adjust.
1888
1889	Support copying local_specializations.
1890	* cp-tree.h (enum lss_policy): New.
1891	(local_specialization_stack): Add policy parameter to default ctor.
1892	* pt.c (local_specialization_stack): Copy local_specializations if
1893	lss_copy.
1894
1895	* constexpr.c (potential_constant_expression_1): Add "now" parm.
1896	(is_constant_expression, require_constant_expression): New.
1897	(is_static_init_expression, is_nondependent_constant_expression)
1898	(is_nondependent_static_init_expression): Drop "potential".
1899	* except.c (build_must_not_throw_expr): Do type conversion on
1900	value-dependent argument.
1901	* pt.c, semantics.c, typeck2.c: Use variants without "potential".
1902
1903	Instantiate default arguments/member initializers once.
1904	* init.c (get_nsdmi): Remember NSDMI instantiations.
1905	* parser.c (inject_this_parameter): Be more picky about
1906	current_class_ptr.
1907	* pt.c (tsubst_copy): Simplify 'this' handling.
1908	(tsubst_default_argument): Remember default argument
1909	instantiations.  Take parameter number.
1910	(tsubst_default_arguments): Pass it.
1911	* call.c (convert_default_arg): Likewise.
1912
1913	Fix default argument conversion failure and SFINAE.
1914	* call.c (build_over_call): Check convert_default_arg result for
1915	error_mark_node.
1916	* parser.c (cp_parser_late_parsing_default_args): Remember
1917	error_mark_node.
1918
19192017-08-28  Nathan Sidwell  <nathan@acm.org>
1920
1921	* cp-tree.h (lang_type): Replace sorted_fields vector with
1922	bindings map.
1923	(CLASSTYPE_SORTED_FIELDS): Delete.
1924	(CLASSTYPE_BINDINGS): New.
1925	* decl.c (finish_enum_value_list): Swap args of
1926	insert_late_enum_def_bindings.
1927	* name-lookup.c (lookup_field_1): Replace binary search of sorted
1928	fields with map->get.
1929	(sorted_fields_type_new, count_fields,
1930	add_fields_to_record_type, add_enum_fields_to_record_type): Delete.
1931	(add_class_member, add_class_members): New.
1932	(set_class_bindings): Create map and insert.
1933	(insert_late_enum_def_binding): Swap parms.  Use add_clasS_member.
1934	* ptree.c (cxx_print_type): Delete sorted fields printing.
1935
1936	* cp-tree.h (insert_late_enum_def_into_classtype_sorted_fields):
1937	Delete.
1938	* name-lookup.h (set_class_bindings,
1939	insert_late_enum_def_bindings): Declare.
1940	* decl.c (finish_enum_value_list): Adjust for
1941	insert_late_enum_def_bindings name change.
1942	* class.c (finish_struct_1): Call set_class_bindings.
1943	(count_fields, add_fields_to_record_type,
1944	add_enum_fields_to_record_type, sorted_fields_type_new,
1945	insert_into_classtype_sorted_fields,
1946	insert_late_enum_def_into_classtype_sorted_fields): Move to ...
1947	* name-lookup.h (count_fields, add_fields_to_record_type,
1948	add_enum_fields_to_record_type, sorted_fields_type_new,
1949	set_class_bindings, insert_late_enum_def_bindings): ... here.
1950
19512017-08-25  Nathan Sidwell  <nathan@acm.org>
1952
1953	* class.c (method_name_cmp, resort_method_name_cmp): Methods
1954	can never be NULL.
1955
1956	Conversion operators have a special name
1957	* cp-tree.h (CPTI_CONV_OP_MARKER, CPTI_CONV_OP_IDENTIFIER): New.
1958	(conv_op_marker, conv_op_identifier): New.
1959	(CLASSTYPE_FIRST_CONVERSION_SLOT): Delete.
1960	* decl.c (initialize_predefined_identifiers): Add
1961	conv_op_identifier.
1962	(cxx_init_decl_processing): Create conv_op_marker.
1963	* decl2.c (check_classfn): Lookup conv-ops by name.
1964	* class.c (add_method): Use conv_op_identifier & conv_op_marker.
1965	(resort_type_method_vec): Don't skip conv-ops.
1966	(finish_struct_methods, warn_hidden): Likewise.
1967	* name-lookup.h (lookup_all_conversions): Delete.
1968	* name-lookup.c (lookup_conversion_operator): Replace with ...
1969	(extract_conversion_operator): ... this.
1970	(lookup_fnfields_slot_nolazy): Find conv-ops by name.
1971	(lookup_all_conversions): Delete.
1972	* pt.c (check_explicit_specialization): Find conv-ops by name.
1973	* search.c (lookup_conversions_r): Likewise.
1974
19752017-08-24  Nathan Sidwell  <nathan@acm.org>
1976
1977	Conversion operators kept on single overload set
1978	* class.c (add_method): Keep all conv-ops on one slot.
1979	* name-lookup.c (lookup_conversion_operator): Pull the desired
1980	conv op out of overload set.
1981	* search.c (lookup_conversions_r): Lose template/non-template
1982	distinction.
1983	(lookup_conversions): Likewise.
1984
19852017-08-23  Nathan Sidwell  <nathan@acm.org>
1986
1987	* cp-tree.h (lookup_field_1, lookup_fnfields_slot,
1988	lookup_fnfields_slot_nolazy, lookup_all_conversions): Move
1989	declatations to ...
1990	* name-lookup.h (lookup_field_1, lookup_fnfields_slot,
1991	lookup_fnfields_slot_nolazy, lookup_all_conversions): ... here.
1992	* search.c (lookup_conversion_operator,
1993	lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
1994	lookup_all_conversions): Move to ...
1995	* name-lookup.c (lookup_conversion_operator,
1996	lookup_fnfields_slot_nolazy, lookup_field_1, lookup_fnfields_slot,
1997	lookup_all_conversions): ... here.
1998
1999	* semantics.c (finish_member_declaration): Move USING_DECL check
2000	earlier.  Always set C++ linkage.  Commonize TYPE_FIELD and
2001	template decl list insertion.
2002
2003	* cp-tree.h (maybe_version_functions): Declare.
2004	* decl.c (decls_match): Break function versioning check to
2005	separate function.  Call it.
2006	(maybe_version_functions): Broken out of decls_match.
2007	* class.c (add_method): Use maybe_version_functions.
2008
2009	* cp-tree.h (print_search_statistics,
2010	reinit_search_statistics): Don't declare.
2011	* search.c (n_fields_searched, n_calls_lookup_field,
2012	n_calls_lookup_field_1, n_calls_lookup_fnfields,
2013	n_calls_lookup_fnfields_1, n_calls_get_base_type,
2014	n_outer_fields_searched, n_contexts_saved): Delete.
2015	(lookup_field_1, lookup_member,
2016	lookup_fnfields_slot_nolazy): Remove stat gathering.
2017	(print_search_statistics, reinit_search_statistics): Delete.
2018	* tree.c (cxx_print_statistics): Don't print search stats.
2019
20202017-08-21  Nathan Sidwell  <nathan@acm.org>
2021
2022	* search.c (lookup_field_r): Remove obsolete code for type-named
2023	field in PoD.
2024
2025	* search.c (lookup_field_1): Assert TYPE is a class and VFIELD
2026	isn't special.
2027	(lookup_field_fuzzy_info::fuzzy_lookup_fnfields): Delete.
2028	(lookup_field_fuzzy_r): Adjust.
2029
20302017-08-21  David Malcolm  <dmalcolm@redhat.com>
2031
2032	* call.c (build_over_call): Pass NULL for new parameter to
2033	check_function_arguments.
2034	* typeck.c (cp_build_function_call_vec): Likewise.
2035
20362017-08-21  Nathan Sidwell  <nathan@acm.org>
2037
2038	PR c++/81899
2039	* pt.c (instantiate_class_template_1):
2040	BOUND_TEMPLATE_TEMPLATE_PARM is never friend-injected.
2041
20422017-08-18  David Malcolm  <dmalcolm@redhat.com>
2043
2044	PR c++/81514
2045	* name-lookup.c (maybe_suggest_missing_header): Convert return
2046	type from void to bool; return true iff a suggestion was offered.
2047	(suggest_alternative_in_explicit_scope): Move call to
2048	maybe_suggest_missing_header to before use of best_match, and
2049	return true if the former offers a suggestion.
2050
20512017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
2052
2053	PR c/53037
2054	* decl.c (duplicate_decls): Also merge DECL_WARN_IF_NOT_ALIGN.
2055	* decl2.c (grokbitfield): Don't allow bit-field with
2056	warn_if_not_aligned type.
2057
20582017-08-17  Nathan Sidwell  <nathan@acm.org>
2059
2060	* cp-tree.def (TEMPLATE_TEMPLATE_PARM): Remove stale comment.
2061	* cp-tree.h (ENUM_TEMPLATE_INFO): Delete.
2062	(TYPE_TEMPLATE_INFO): Simplify.
2063	(SET_TYPE_TEMPLATE_INFO): Simplify.
2064
2065	* lex.c (maybe_add_lang_type_raw): BOUND_TEMPLATE_TEMPLATE_PARMs
2066	don't need lang_type.
2067	(cxx_make_type): Use maybe_add_lang_type_raw return value.
2068	* mangle.c (CLASSTYPE_TEMPLATE_ID_P): Don't rely on
2069	TYPE_LANG_SPECIFIC.
2070
2071	* cp-tree.h (struct lang_type): Remove template_info field.
2072	(CLASSTYPE_TEMPLATE_INFO): Use TYPE_LANG_SLOT_1.
2073	(TEMPLATE_TEMPLATE_PARM_TEMPLATE_INFO): Likewise.
2074
20752017-08-14  Martin Sebor  <msebor@redhat.com>
2076
2077	PR c/81117
2078	* error.c (cp_printer): Handle 'G'.
2079
20802017-08-11  Martin Liska  <mliska@suse.cz>
2081
2082	* decl2.c (get_tls_init_fn): Replace ASM_OUTPUT_DEF with
2083	TARGET_SUPPORTS_ALIASES.
2084	(handle_tls_init): Likewise.
2085	(note_mangling_alias): Likewise.  Remove ATTRIBUTE_UNUSED for
2086	both arguments.
2087	* optimize.c (can_alias_cdtor): Likewise.
2088
20892017-08-11  Jason Merrill  <jason@redhat.com>
2090
2091	PR c++/81671 - nullptr_t template parameter
2092	* pt.c (convert_nontype_argument): Fix nullptr_t check.
2093
20942017-08-10  Jason Merrill  <jason@redhat.com>
2095
2096	PR c++/81359 - Unparsed NSDMI error from SFINAE context.
2097	* method.c (synthesized_method_walk): Don't diagnose lack of
2098	operator delete.
2099
2100	PR c++/80452 - Core 1579, implicit move semantics on return/throw
2101	* cp-tree.h (LOOKUP_PREFER_RVALUE): Now means that we've already
2102	tentatively changed the lvalue to an rvalue.
2103	* call.c (reference_binding): Remove LOOKUP_PREFER_RVALUE handling.
2104	(build_over_call): If LOOKUP_PREFER_RVALUE, check that the first
2105	parameter is an rvalue reference.
2106	* except.c (build_throw): Do maybe-rvalue overload resolution twice.
2107	* typeck.c (check_return_expr): Likewise.
2108
21092017-08-10  David Malcolm  <dmalcolm@redhat.com>
2110
2111	* parser.c (cp_parser_error): Update for new param to
2112	c_parse_error.
2113	(class token_pair): New class.
2114	(struct matching_paren_traits): New struct.
2115	(matching_parens): New typedef.
2116	(struct matching_brace_traits): New struct.
2117	(matching_braces): New typedef.
2118	(cp_parser_statement_expr): Convert explicit parsing of
2119	CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use of
2120	class matching_parens, so that the pertinent open parenthesis is
2121	highlighted when there are problems locating the close
2122	parenthesis.
2123	(cp_parser_primary_expression): Likewise.
2124	(cp_parser_compound_literal_p): Remove consumption of opening
2125	paren.
2126	(cp_parser_postfix_expression): Convert explicit parsing of
2127	CPP_OPEN_PAREN and CPP_CLOSE_PAREN to use matching parens, as
2128	above.  Use it to consume the opening paren previously consumed by
2129	cp_parser_compound_literal_p.
2130	(cp_parser_parenthesized_expression_list): Likewise.
2131	(cp_parser_unary_expression): Likewise.
2132	(cp_parser_new_expression): Likewise.
2133	(cp_parser_cast_expression): Likewise.
2134	(cp_parser_builtin_offsetof): Likewise.
2135	(cp_parser_trait_expr): Likewise.
2136	(cp_parser_lambda_declarator_opt): Likewise.
2137	(cp_parser_lambda_body): Likewise, for matching_braces.
2138	(cp_parser_compound_statement): Likewise.
2139	(cp_parser_selection_statement): Likewise, for matching_parens.
2140	(cp_parser_iteration_statement): Likewise.
2141	(cp_parser_already_scoped_statement): Likewise, for
2142	matching_braces.
2143	(cp_parser_linkage_specification): Likewise.
2144	(cp_parser_static_assert): Likewise, for matching_parens.
2145	(cp_parser_decltype): Likewise.
2146	(cp_parser_operator): Likewise.
2147	(cp_parser_enum_specifier): Likewise.
2148	(cp_parser_namespace_definition): Likewise.
2149	(cp_parser_direct_declarator): Likewise.
2150	(cp_parser_braced_list): Likewise.
2151	(cp_parser_class_specifier_1): Likewise, for matching_braces.
2152	(cp_parser_constant_initializer): Likewise.
2153	(cp_parser_noexcept_specification_opt): Likewise, for
2154	matching_parens.
2155	(cp_parser_exception_specification_opt): Likewise.
2156	(cp_parser_handler): Likewise.
2157	(cp_parser_asm_specification_opt): Likewise.
2158	(cp_parser_asm_operand_list): Likewise.
2159	(cp_parser_gnu_attributes_opt): Likewise.
2160	(cp_parser_std_attribute_spec): Likewise.
2161	(cp_parser_requirement_parameter_list): Likewise.
2162	(cp_parser_requirement_body): Likewise, for matching_braces.
2163	(cp_parser_compound_requirement): Likewise.
2164	(cp_parser_template_introduction): Likewise.
2165	(cp_parser_sizeof_pack): Likewise, for matching_parens.
2166	(cp_parser_sizeof_operand): Likewise; use it to consume the
2167	opening paren previously consumed by cp_parser_compound_literal_p.
2168	(get_matching_symbol): New function.
2169	(cp_parser_required_error): Add param "matching_location".  Remove
2170	calls to cp_parser_error, instead setting a non-NULL gmsgid, and
2171	handling it if set by calling c_parse_error, potentially with a
2172	secondary location if matching_location was set.
2173	(cp_parser_require): Add param "matching_location", with a default
2174	value of UNKNOWN_LOCATION.
2175	(cp_parser_require_keyword): Update for new param of
2176	cp_parser_required_error.
2177	(cp_parser_objc_encode_expression): Update to class matching_parens
2178	as above.
2179	(cp_parser_objc_defs_expression): Likewise.
2180	(cp_parser_objc_protocol_expression): Likewise.
2181	(cp_parser_objc_selector_expression): Likewise.
2182	(cp_parser_objc_typename): Likewise.
2183	(cp_parser_objc_superclass_or_category): Likewise.
2184	(cp_parser_objc_try_catch_finally_statement): Likewise.
2185	(cp_parser_objc_synchronized_statement): Likewise.
2186	(cp_parser_objc_at_property_declaration): Likewise.
2187	(cp_parser_oacc_single_int_clause): Likewise.
2188	(cp_parser_oacc_shape_clause): Likewise.
2189	(cp_parser_omp_clause_collapse): Likewise.
2190	(cp_parser_omp_clause_default): Likewise.
2191	(cp_parser_omp_clause_final): Likewise.
2192	(cp_parser_omp_clause_if): Likewise.
2193	(cp_parser_omp_clause_num_threads): Likewise.
2194	(cp_parser_omp_clause_num_tasks): Likewise.
2195	(cp_parser_omp_clause_grainsize): Likewise.
2196	(cp_parser_omp_clause_priority): Likewise.
2197	(cp_parser_omp_clause_hint): Likewise.
2198	(cp_parser_omp_clause_defaultmap): Likewise.
2199	(cp_parser_omp_clause_ordered): Likewise.
2200	(cp_parser_omp_clause_schedule): Likewise.
2201	(cp_parser_omp_clause_num_teams): Likewise.
2202	(cp_parser_omp_clause_thread_limit): Likewise.
2203	(cp_parser_omp_clause_aligned): Likewise.
2204	(cp_parser_omp_clause_linear): Likewise.
2205	(cp_parser_omp_clause_safelen): Likewise.
2206	(cp_parser_omp_clause_simdlen): Likewise.
2207	(cp_parser_omp_clause_depend): Likewise.
2208	(cp_parser_omp_clause_device): Likewise.
2209	(cp_parser_omp_clause_dist_schedule): Likewise.
2210	(cp_parser_oacc_clause_async): Likewise.
2211	(cp_parser_omp_critical): Likewise.
2212	(cp_parser_omp_for_loop): Likewise.
2213	(cp_parser_omp_sections_scope): Likewise.
2214	(cp_parser_omp_declare_reduction_exprs): Likewise.
2215	Update for new param to cp_parser_required_error.
2216	(cp_parser_oacc_routine): Likewise.
2217	(cp_parser_transaction_expression): Likewise.
2218	(cp_parser_cilk_simd_vectorlength): Likewise.
2219
22202017-08-09  Jason Merrill  <jason@redhat.com>
2221
2222	PR c++/81525 - wrong constant value with generic lambda
2223	* pt.c (tsubst_decl) [VAR_DECL]: Avoid clobbering auto.
2224	(tsubst_copy) [VAR_DECL]: Handle auto.
2225
2226	PR c++/81359 - Unparsed NSDMI error from SFINAE context.
2227	* init.c (get_nsdmi): Add complain parm.
2228	* typeck2.c (digest_nsdmi_init): Add complain parm.
2229	(process_init_constructor_record): Pass complain to get_nsdmi.
2230	* pt.c (maybe_instantiate_noexcept): Add complain parm, return bool.
2231	* method.c (get_defaulted_eh_spec): Add complain parm.  Pass it into
2232	synthesized_method_walk.
2233	(synthesized_method_walk): Adjust.
2234	(walk_field_subobs): Pass complain to get_nsdmi.
2235	(defaulted_late_check): Skip other checks if deleted.
2236	* decl2.c (mark_used): Pass complain to maybe_instantiate_noexcept.
2237	* call.c (build_aggr_conv): Pass complain to get_nsdmi.
2238	* parser.c (defarg_location): New.
2239	* error.c (location_of): Use it.
2240
22412017-08-09  Marek Polacek  <polacek@redhat.com>
2242
2243	* parser.c (cp_parser_perform_range_for_lookup): Use false instead of 0.
2244	* typeck.c (build_binary_op): Change the type of a parameter to bool.
2245	(cp_truthvalue_conversion): Use true instead of 1.
2246
22472017-08-08  Marek Polacek  <polacek@redhat.com>
2248
2249	PR c++/81607
2250	* cp-gimplify.c (cp_fold): If folding exposed a branch of
2251	a COND_EXPR, convert it to the original type of the COND_EXPR, if
2252	they differ.		   
2253
22542017-08-08  Martin Liska  <mliska@suse.cz>
2255
2256	* call.c: Include header files.
2257	* cp-gimplify.c: Likewise.
2258	* cp-ubsan.c: Likewise.
2259	* cvt.c: Likewise.
2260	* init.c: Likewise.
2261	* search.c: Likewise.
2262	* semantics.c: Likewise.
2263	* typeck.c: Likewise.
2264
22652017-08-07  Martin Liska  <mliska@suse.cz>
2266
2267	* parser.c (cp_parser_gnu_attribute_list): Canonicalize name of an
2268	attribute.
2269	(cp_parser_std_attribute): Likewise.
2270	* tree.c: Add new include.
2271
22722017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>
2273
2274	PR c++/79790
2275	* pt.c (do_class_deduction): Handle the case of no viable implicit
2276	deduction guides; simplify the code generating implicit deduction
2277	guides.
2278
22792017-08-03  Paolo Carlini  <paolo.carlini@oracle.com>
2280
2281	PR c++/71440
2282	* typeck.c (build_x_unary_op): Avoid pretty-printing constructor /
2283	destructor as expressions.
2284
22852017-08-02  Jakub Jelinek  <jakub@redhat.com>
2286
2287	PR c++/81640
2288	* call.c (build_user_type_conversion_1): Only call
2289	lookup_fnfields_slot if totype is CLASS_TYPE_P.
2290
22912017-07-31  Jason Merrill  <jason@redhat.com>
2292
2293	* decl.c (declare_global_var): Set DECL_CONTEXT.
2294
22952017-07-31  Jan Hubicka <hubicka@ucw.cz>
2296	    Martin Liska  <mliska@suse.cz>
2297
2298	* pt.c (tsubst_copy): Copy PREDICT_EXPR.
2299	* semantics.c (finish_goto_stmt): Build gimple predict
2300	stament.
2301	* constexpr.c (potential_constant_expression_1): Handle
2302	PREDICT_EXPR.
2303
23042017-07-31  Martin Liska  <mliska@suse.cz>
2305
2306	PR sanitize/81530
2307	* cp-gimplify.c (cp_genericize): Guard condition with flag_sanitize_p
2308	also with current_function_decl non-null equality.
2309	* cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
2310	* decl.c (compute_array_index_type): Likewise.
2311	* init.c (finish_length_check): Likewise.
2312	* typeck.c (cp_build_binary_op): Likewise.
2313
23142017-07-29  Jakub Jelinek  <jakub@redhat.com>
2315
2316	* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
2317	DW_AT_export_symbols.
2318	* name-lookup.c (emit_debug_info_using_namespace): Add IMPLICIT
2319	argument, pass it through to the debug hook.
2320	(finish_namespace_using_directive): Adjust
2321	emit_debug_info_using_namespace caller.
2322	(push_namespace): Likewise.  Call it after setting
2323	DECL_NAMESPACE_INLINE_P.
2324	(cp_emit_debug_info_for_using): Pass false as new argument to
2325	the imported_module_or_decl debug hook.
2326
23272017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
2328
2329	* lex.c (copy_decl): Adjust.
2330	(copy_type): Likewise.
2331
23322017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
2333
2334	PR c++/71570
2335	* lambda.c (add_capture): Early return if we cannot capture by
2336	reference.
2337
23382017-07-26  Jason Merrill  <jason@redhat.com>
2339
2340	P0702R1 - List deduction of vector.
2341	* pt.c (do_class_deduction): Special-case deduction from a single
2342	element of related type.
2343
23442017-07-26  Leonid Koppel  <lkoppel@uwaterloo.ca>
2345
2346        PR c++/67054 - Inherited ctor with non-default-constructible members
2347        * method.c (walk_field_subobs) Consider member initializers (NSDMIs)
2348	when deducing an inheriting constructor.
2349
23502017-07-21  Nathan Sidwell  <nathan@acm.org>
2351
2352	* search.c (lookup_conversion_operator): Return overloads.
2353	(lookup_fnfields_idx_nolazy): Absorb into ...
2354	(lookup_fnfields_slot_nolaxy): ... here.
2355	(lookup_fnfields_1): Absorb into ...
2356	(lookup_fnfields_slot): ... here.
2357
2358	Remove special CDtor METHOD_VEC slots.
2359	* cp-tree.h (CLASSTYPE_CONSTRUCTOR_SLOT,
2360	CLASSTYPE_DESTRUCTOR_SLOT): Delete.
2361	(CLASSTYPE_CONSTRUCTORS): Use lookup_fnfields_slot_nolazy.
2362	(CLASSTYPE_DESTRUCTOR): Likewise.
2363	* class (add_method): Don't use special cdtor slots.
2364	* search.c (lookup_fnfields_idx_nolazy): Likewise.
2365	(look_for_overrides_here): Use lookup_fnfields_slot.
2366	* semantics (classtype_has_nothrow_assign_or_copy_p): Likewise.
2367
2368	* call.c (add_candidates): Move decls to initialization.  Don't
2369	use !!.
2370
23712017-07-20  Nathan Sidwell  <nathan@acm.org>
2372
2373	Remove TYPE_METHODS.
2374	* class.c (maybe_warn_about_overly_private_class,
2375	finish_struct_methods, one_inheriting_sig, count_fields,
2376	add_fields_to_record_type, check_field_decls, check_methods,
2377	clone_function_decl, set_method_tm_attributes,
2378	finalize_literal_type_property, check_bases_and_members,
2379	create_vtable_ptr, determine_key_method,
2380	unreverse_member_declarations, finish_struct,
2381	add_vcall_offset_vtbl_entries_1): Member fns are on TYPE_FIELDS.
2382	* decl.c (fixup_anonymous_aggr): Likewise.
2383	* decl2.c (reset_type_linkage_2): Likewise.
2384	* method.c (after_nsdmi_defaulted_late_checks,
2385	lazily_declare_fn): Likewise.
2386	* optimize.c (maybe_thunk_body, maybe_clone_body): Likewise.
2387	* pt.c (instantiate_class_template_1, tsubst_expr,
2388	do_type_instantiation, instantiate_pending_templates): Likewise.
2389	* search.c (lookup_field_1): Likewise.
2390	* semantics.c (finish_member_declaration,
2391	finish_omp_declare_simd_methods): Likewise.
2392
23932017-07-19  Nathan Sidwell  <nathan@acm.org>
2394
2395	* class.c (add_implicitly_declared_members): Use
2396	classtype_has_move_assign_or_move_ctor_p.
2397	(classtype_has_move_assign_or_move_ctor,
2398	classtype_has_user_move_assign_or_move_ctor_p): Merge into ...
2399	(classtype_has_move_assign_or_move_ctor_p): ... this new function.
2400	* cp-tree.h (classtype_has_user_move_assign_or_move_ctor_p):
2401	Replace with ...
2402	(classtype_has_move_assign_or_move_ctor_p): ... this.
2403	* method.c (maybe_explain_implicit_delete, lazily_declare_fn): Adjust.
2404	* tree.c (type_has_nontrivial_copy_init): Adjust.
2405
2406	* cp-tree.h (PACK_EXPANSION_PARAMETER_PACKS,
2407	PACK_EXPANSION_EXTRA_ARGS): Use TYPE_{MIN,MAX}_VALUE_RAW.
2408
24092017-07-18  Nathan Sidwell  <nathan@acm.org>
2410
2411	* cp-array-notation.c (build_array_notation_ref): Use
2412	TYPE_{MIN,MAX}_VALUE.
2413
2414	* class.c (classtype_has_move_assign_or_move_ctor): Declare.
2415	(add_implicitly_declared_members): Use it.
2416	(type_has_move_constructor, type_has_move_assign): Merge into ...
2417	(classtype_has_move_assign_or_move_ctor): ... this new function.
2418	* cp-tree.h (type_has_move_constructor, type_has_move_assign): Delete.
2419
24202017-07-17  Volker Reichelt  <v.reichelt@netcologne.de>
2421
2422	* parser.c (cp_parser_decl_specifier_seq): Add fix-it hints for
2423	friend outside class and obsolete auto as storage-class-specifier.
2424
24252017-07-17  Nathan Sidwell  <nathan@acm.org>
2426
2427	* class.c (maybe_warn_about_overly_private_class): Ignore public
2428	copy ctors.
2429
2430	* class.c (type_has_user_declared_move_constructor,
2431	type_has_user_declared_move_assign): Combine into ...
2432	(classtype_has_user_move_assign_or_move_ctor_p): ... this new function.
2433	* cp-tree.h (type_has_user_declared_move_constructor,
2434	type_has_user_declared_move_assign): Combine into ...
2435	(classtype_has_user_move_assign_or_move_ctor_p): ... this. Declare.
2436	* method.c (maybe_explain_implicit_delete): Use it.
2437	(lazily_declare_fn): Use it.
2438	* tree.c (type_has_nontrivial_copy_init): Use it.
2439
2440	* semantics.c (classtype_has_nothrow_assign_or_copy_p): Clarify
2441	semantics, simplify implementation.
2442
24432017-07-16  Volker Reichelt  <v.reichelt@netcologne.de>
2444
2445	* parser.c (cp_parser_cast_expression): Use %q#T instead of %qT
2446	in old-style cast diagnostic.
2447	* typeck.c (maybe_warn_about_useless_cast): Use %q#T instead of %qT
2448	in useless cast diagnostic.
2449	* error.c (type_to_string): Remove enum special handling.
2450
24512017-07-14  David Malcolm  <dmalcolm@redhat.com>
2452
2453	* name-lookup.c (get_std_name_hint): Add '<' and '>' around
2454	the header names.
2455	(maybe_suggest_missing_header): Update for addition of '<' and '>'
2456	to above.  Provide a fix-it hint.
2457	* pt.c: Include "gcc-rich-location.h"
2458	(listify): Attempt to add fix-it hint for missing
2459	#include <initializer_list>.
2460	* rtti.c: Include "gcc-rich-location.h".
2461	(typeid_ok_p): Attempt to add fix-it hint for missing
2462	#include <typeinfo>.
2463
24642017-07-12  Jason Merrill  <jason@redhat.com>
2465
2466	P0512R0 - Deduction from an initializer list.
2467	* pt.c (do_class_deduction): Do list deduction in two phases.
2468
24692017-07-12  Nathan Sidwell  <nathan@acm.org>
2470
2471	* cp-tree.h (DECL_CONSTRUCTOR_P, DECL_MAYBE_IN_CHARGE_CONSTRUCTOR,
2472	DECL_DESTRUCTOR_P, DECL_MAYBE_IN_CHARGE_DESTRCTOR): Look at
2473	identifier flags.
2474	* decl.c (grokfndecl): Set DECL_CXX_CONSTRUCTOR and
2475	DECL_CXX_DESTRUCTOR explicitly.
2476	* decl2.c (grokclassfn): Likewise.
2477	* friend.c (do_friend): Likewise.
2478	* method.c (make_thunk, make_alias_for,
2479	implicitly_declare_fn): Likewise.
2480
24812017-07-11  Jason Merrill  <jason@redhat.com>
2482
2483	Core DR 393
2484	* decl.c (grokparms): Downgrade error about array of unknown bound
2485	to pedwarn and disable it for C++17.
2486
24872017-07-11  Nathan Sidwell  <nathan@acm.org>
2488
2489	* decl2.c (reset_type_linkage_2): Dont't change ctor name.
2490
24912017-07-10  Martin Sebor  <msebor@redhat.com>
2492
2493	* cp-tree.h (cp_operator_id, cp_assignment_operator_id): Document.
2494
24952017-07-06  Jason Merrill  <jason@redhat.com>
2496
2497	PR c++/81204 - parse error with dependent template-name
2498	* parser.c (cp_parser_lookup_name): Revert previous change.
2499
25002017-07-06  David Malcolm  <dmalcolm@redhat.com>
2501
2502	* cp-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): Define as
2503	selftest::run_cp_tests.
2504	(selftest::run_cp_tests): New function.
2505	* cp-tree.h (selftest::run_cp_tests): New decl.
2506
25072017-07-04  Jakub Jelinek  <jakub@redhat.com>
2508
2509	* parser.c (cp_parser_decomposition_declaration): Replace
2510	decomposition declaration with structured binding in diagnostics.
2511	* decl.c (cp_finish_decomp): Likewise.
2512	(grokdeclarator): Likewise.
2513
2514	PR c++/81258
2515	* parser.c (cp_parser_decomposition_declaration): Diagnose invalid
2516	forms of structured binding initializers.
2517
25182017-07-03  Paolo Carlini  <paolo.carlini@oracle.com>
2519
2520	PR c++/65775
2521	* decl.c (grokdeclarator): Move checks on function return type after
2522	the splice_late_return_type call; if declspecs->locations[ds_type_spec]
2523	is UNKNOWN_LOCATION fall back to input_location.
2524
25252017-07-03  David Malcolm  <dmalcolm@redhat.com>
2526
2527	* parser.c (enum required_token): Fix spelling of
2528	RT_INTERATION to RT_ITERATION.
2529	(cp_parser_iteration_statement): Likewise.
2530	(cp_parser_required_error): Likewise.
2531
25322017-06-30  Jason Merrill  <jason@redhat.com>
2533
2534	PR c++/81257 - ICE with invalid ::template.
2535	PR c++/54769 - wrong lookup of dependent template-name.
2536	* parser.c (cp_parser_template_name): Revert part of last change.
2537
25382017-06-30  Nathan Sidwell  <nathan@acm.org>
2539
2540	* config-lang.in (gtfiles): Add cp/lex.c.
2541	* cp-tree.h (mangle_convop_name_for_type): Rename ...
2542	(make_conv_op_name): ... here.  Move to lex.
2543	* lambda.c (maybe_add_lambda_conv_op): Update.
2544	* parser.c (cp_parser_conversion_function_id): Update.
2545	* pt.c (tsubst_decl, tsubst_baselink, tsubst_copy,
2546	tsubst_copy_and_build): Update.
2547	* semantics.c (apply_deduced_return_type): Update.
2548	* mangle.c (conv_type_hasher, conv_type_names,
2549	mangle_conv_op_name_for_type): Move to ...
2550	* lex.c (conv_type_hasher, conv_type_names, make_convop_name):
2551	... here.  Rename.
2552
25532017-06-30  David Malcolm  <dmalcolm@redhat.com>
2554
2555	PR c++/80014
2556	* parser.c (cp_parser_postfix_expression): Construct a location
2557	for typeid expressions.
2558
25592017-06-30  Nathan Sidwell  <nathan@acm.org>
2560
2561	* cp-tree.h (lookup_fnfields_1, class_method_index_for_fn): Don't
2562	declare.
2563	(lookup_all_conversions): Declare.
2564	* class.c (get_basefndecls): Use lookup_fnfields_slot.
2565	* decl.c (register_dtor_fn): Use lookup_fnfields_slot.
2566	* decl2.c (check_class_fn): Use lookup_fnfields_slot.  Rework
2567	diagnostics.
2568	* pt.c (retrieve_specialization): Use lookup_fnfields_slot.
2569	(check_explicit_specialization): Use lookup_fnfields_slot_nolazy,
2570	lookup_all_conversions.
2571	* search.c (lookup_fnfields_1): Make static.
2572	(lookup_all_conversions): New.
2573	(class_method_index_for_fn): Delete.
2574	* semantics.c (classtype_has_nothrow_assign_or_copy_p): Use
2575	lookup_fnfields_slot.
2576
2577	* call.c (build_new_method_call_1): Use constructo_name to get
2578	ctor name.  Move argument processing earlier to merge cdtor
2579	handling blocks.
2580	* decl.c (grokfndecl): Cdtors have special names.
2581	* method.c (implicitly_declare_fn): Likewise. Simplify flag setting.
2582	* pt.c (check_explicit_specialization): Cdtor name is already
2583	special.
2584	* search.c (class_method_index_for_fn): Likewise.
2585
2586	PR c++/81229
2587	* name-lookup.c (do_pushdecl): Reset IDENTIFIER_TYPE when finding
2588	a matching TYPE_DECL.
2589
25902017-06-29  Paolo Carlini  <paolo.carlini@oracle.com>
2591
2592	* class.c (add_method): Change pair of errors to error + inform.
2593	(handle_using_decl): Likewise.
2594
25952017-06-29  Jason Merrill  <jason@redhat.com>
2596
2597	* constexpr.c, error.c, tree.c: Remove WITH_CLEANUP_EXPR handling.
2598
2599	PR c++/81180 - ICE with C++17 deduction of member class template.
2600	* pt.c (build_deduction_guide): Correct member template handling.
2601
2602	PR c++/81188 - matching decltype of member function call.
2603	* tree.c (cp_tree_equal): Remove COMPONENT_REF special case.
2604
26052017-06-29  Nathan Sidwell  <nathan@acm.org>
2606
2607	PR c++/81247
2608	* parser.c (cp_parser_namespace_definition): Immediately close the
2609	namespace if there's no open-brace.
2610	* name-lookup.c (do_pushdecl): Reset OLD when pushing into new
2611	namespace.
2612
26132017-06-29  Jason Merrill  <jason@redhat.com>
2614
2615	PR c++/81164 - ICE with invalid inherited constructor.
2616	* search.c (binfo_direct_p): New.
2617	* name-lookup.c (do_class_using_decl): Use it.
2618
26192017-06-29  Nathan Sidwell  <nathan@acm.org>
2620
2621	* cp-tree.h (THIS_NAME, IN_CHARGE_NAME, VTBL_PTR_TYPE,
2622	VTABLE_DELTA_NAME, VTABLE_PFN_NAME): Delete.
2623	* decl.c (initialize_predefined_identifiers): Name cdtor special
2624	names consistently.  Use literals for above deleted defines.
2625	(cxx_init_decl_processing): Use literal for vtbl_ptr_type name,
2626
2627	* lex.c (maybe_add_lang_type_raw): Exit early, rather than use a
2628	flag.
2629
2630	* call.c (check_dtor_name): Use constructor_name for enums too.
2631	(build_new_method_call_1): Use constructor_name for cdtors and
2632	show ~ for dtor.
2633	* class.c (build_self_reference): Use TYPE_NAME to get name of
2634	self reference.
2635	* name-lookup (constructor_name): Use DECL_NAME directly.
2636	(constructor_name_p): Reimplement.
2637	(push_class_level_binding_1): Use TYPE_NAME directly.
2638
2639	* class.c (finish_struct): Use OVL_P.
2640	(get_vfield_name): Measure constructor_name length.
2641	* cp-tree.h (SET_CLASS_TYPE_P): Add RECORD_OR_UNION_CHECK.
2642	(NON_UNION_CLASS_TYPE_P): Check RECORD_TYPE up front.
2643	* cxx-pretty-print.c (is_destructor_name): Delete.
2644	(pp_cxx_unqualified_id): Remove bogus destructor name checking.
2645	* decl.c (grokfndecl): Move cheap checks first when looking for
2646	implicit extern cness.
2647
2648	* parser.c (cp_parser_direct_declarator): Reorder if to avoid
2649	indentation. Remove unnecessary assignment of constructor name.
2650
2651	Whitespace cleanups.
2652	* call.c (name_as_c_string): Move CONST_CAST to return.
2653	(build_new_method_call_1): Remove unneeded bracing.
2654	* class.c (include_empty_classes): Unbreak line.
2655	* constraint.cc (tsubst_check_constraint): Add space.
2656	* cp-tree.h (lang_decl_ns): Add comment.
2657	(PTRMEM_CST_MEMBER): Break line.
2658	* decl.c (grokfndecl): Add blank lines. Unbreak some others.
2659	(grokdeclarator): Remove lines, move declaration to first use.
2660	* decl2.c (decl_needed_p): Fix indentation.
2661	(c_parse_final_cleanups): Remove blank line.
2662	* method.c (implicitly_declare_fn): Move declaration to first use.
2663	* search.c (current_scope): Add blank lines.
2664
26652017-06-28  Jason Merrill  <jason@redhat.com>
2666
2667	PR c++/72764 - ICE with invalid template typename.
2668	* decl.c (build_typename_type): No longer static.
2669	* tree.c (strip_typedefs): Use it instead of make_typename_type.
2670
2671	PR c++/69300 - ICE with self-referential noexcept
2672	* pt.c (maybe_instantiate_noexcept): Check for recursion.
2673
2674	PR c++/61022 - error with variadic template template parm
2675	* pt.c (convert_template_argument): Keep the TYPE_PACK_EXPANSION.
2676
2677	PR c++/72801 - ICE with variadic partial specialization
2678	* pt.c (unify_pack_expansion): Use PACK_EXPANSION_EXTRA_ARGS.
2679
2680	PR c++/55639 - partial specialization with ::template
2681	* parser.c (cp_parser_class_head): Handle ::template.
2682
2683	PR c++/45976 - error with ::template in declarator.
2684	* pt.c (resolve_typename_type): Fix TEMPLATE_ID_EXPR handling.
2685
2686	PR c++/54769 - wrong lookup of dependent template-name.
2687	* parser.c (cp_parser_template_name): Handle dependent object type.
2688	(cp_parser_nested_name_specifier_opt): Make template_keyword_p a
2689	parameter.
2690	(cp_parser_id_expression): Pass it.
2691	(cp_parser_diagnose_invalid_type_name): Handle TEMPLATE_ID_EXPR.
2692
2693	* parser.c (cp_parser_template_id): Use the range location on the
2694	TEMPLATE_ID_EXPR.
2695
2696	PR c++/81204 - parse error with dependent template-name
2697	* parser.c (cp_parser_lookup_name): Disqualify function templates
2698	after lookup.
2699
27002017-06-27  Nathan Sidwell  <nathan@acm.org>
2701
2702	* pt.c (tsubst_decl <FUNCTION_DECL>): Move var decls to
2703	initialization point.  Don't unnecessarily check for ctor name.
2704
2705	* cp-tree.h (CLASSTYPE_DESTRUCTORS): Rename to ...
2706	(CLASSTYPE_DESTRUCTOR): ... this.
2707	* class.c (accessible_nvdtor_p,
2708	maybe_warn_about_overly_private_class,
2709	add_implicitly_declared_members,
2710	clone_constructors_and_destructors, type_has_virtual_destructor):
2711	Adjust for CLASSTYPE_DESTRUCTOR.
2712	(deduce_noexcept_on_destructors): Absorb into ...
2713	(check_bases_and_members): ... here.
2714	* except.c (dtor_nothrow): Adjust for CLASSTYPE_DESTRUCTOR.
2715	* init.c (build_delete): Likewise.
2716	* parser.c (cp_parser_lookup_name): Likewise.
2717	* pt.c (check_explicit_specialization): Likewise.
2718	* rtti.c (emit_support_tinfos): Likewise.
2719	* search.c (lookup_fnfields_idx_nolazy): Likewise.
2720
2721	Kill IDENTIFIER_TEMPLATE.
2722	* cp-tree.h (lang_identifier): Remove class_template_info field.
2723	(IDENTIFIER_TEMPLATE): Delete.
2724	* name-lookup.c (constructor_name_full): Subsume into ...
2725	(constructor_name): ... here.  Don't check IDENTIFIER_TEMPLATE.
2726	(constructor_name_p): Likewise.
2727	* mangle.c (write_source_name): Likewise.
2728	* ptree.c (cxx_print_identifier): Likewise.
2729
27302017-06-27  Marek Polacek  <polacek@redhat.com>
2731
2732	PR bootstrap/81216
2733	* parser.c (cp_parser_already_scoped_statement): Initialize
2734	LOC_AFTER_LABELS.
2735
27362017-06-26  Jason Merrill  <jason@redhat.com>
2737
2738	PR c++/81215 - deduction failure with variadic TTP.
2739	* pt.c (unify_bound_ttp_args): Restore old logic for C++14 and down.
2740
27412017-06-26  Martin Sebor  <msebor@redhat.com>
2742
2743	PR c++/81169
2744	* call.c (maybe_warn_class_memaccess): Preserve explicit conversions
2745	to detect casting away cv-qualifiers.
2746
27472017-06-26  Nathan Sidwell  <nathan@acm.org>
2748
2749	* cp-tree.h (lang_decl_fn): Remove assignment_operator_p field.
2750	(DECL_COMPLETE_CONSTRUCTOR_P): Directly compare
2751	identifier.
2752	(DECL_BASE_CONSTRUCTOR_P, DECL_COMPLETE_DESTRUCTOR_P,
2753	DECL_BASE_DESTRUCTOR_P, DECL_DELETING_DESTRUCTOR_P): Likewise.
2754	(DECL_ASSIGNMENT_OPERATOR_P): Use IDENTIFIER_ASSIGN_OP_P.
2755	* decl.c (grok_op_properties): Adjust identifier checking.
2756	* init.c (expand_default_init): Adjust identifier descision.
2757	* method.c (implicitly_declare_fn): Don't use
2758	DECL_ASSIGNMENT_OPERATOR_P.
2759	* search.c (lookup_fnfields_1): Use IDENTIFIER_CTOR_P,
2760	IDENTIFIER_DTOR_P.
2761	* call.c (in_charge_arg_for_name): Reimplement.
2762	(build_special_member_call): Use IDENTIFIER_CDTOR_P,
2763	IDENTIFIER_DTOR_P.
2764
27652017-06-26  Marek Polacek  <polacek@redhat.com>
2766
2767	PR c/80116
2768	* parser.c (cp_parser_statement): Add a default argument.  Save the
2769	location of the expression-statement after labels have been parsed.
2770	(cp_parser_implicitly_scoped_statement): Set the location of the
2771	body of the conditional after parsing all the labels.  Call
2772	warn_for_multistatement_macros.
2773	(cp_parser_already_scoped_statement): Likewise.
2774
27752017-06-24  Paolo Carlini  <paolo.carlini@oracle.com>
2776
2777	PR c++/62315
2778	* parser.c (cp_parser_diagnose_invalid_type_name): Don't print
2779	'typename' in error messages about missing 'typename'.
2780
27812017-06-23  Jason Merrill  <jason@redhat.com>
2782
2783	PR c++/79056 - C++17 ICE with invalid template syntax.
2784	* parser.c (cp_parser_simple_type_specifier): Don't assume that type
2785	is a TYPE_DECL.
2786	(cp_parser_check_for_invalid_template_id): Handle TYPE_DECL.
2787	* pt.c (template_placeholder_p): New.
2788	* cp-tree.h: Declare it.
2789
27902017-06-23  Marc Glisse  <marc.glisse@inria.fr>
2791
2792	* decl.c (duplicate_decls): Use builtin_structptr_types.
2793
27942017-06-22  Nathan Sidwell  <nathan@acm.org>
2795
2796	Reorder IDENTIFIER flags
2797	gcc/cp/
2798	* cp-tree.h (enum cp_identifier_kind): New.
2799	(IDENTIFIER_KIND_BIT_0, IDENTIFIER_KIND_BIT_1,
2800	IDENTIFIER_KIND_BIT_2): New.
2801	(IDENTIFIER_MARKED): Move to TREE_LANG_FLAG_4.
2802	(IDENTIFIER_VIRTUAL_P, IDENTIFIER_REPO_CHOSEN): Add IDENTIFIER_CHECK.
2803	(C_IS_RESERVED_WORD): Replace with ...
2804	(IDENTIFIER_KEYWORD_P): ... this.
2805	(IDENTIFIER_CTOR_OR_DTOR_P): Replace with ...
2806	(IDENTIFIER_CDTOR_P): ... this.
2807	(IDENTIFIER_CTOR_P, IDENTIFIER_DTOR_P): New.
2808	(IDENTIFIER_OPNAME_P): Replace with ...
2809	(IDENTIFIER_ANY_OP_P): ... this.
2810	(IDENTIFIER_ASSIGN_OP_P): New.
2811	(IDENTIFIER_TYPENAME_P): Replace with ...
2812	(IDENTIFIER_CONV_OP_P): ... this.
2813	(NEW_DELETE_OPNAME_P): Replace with ...
2814	(IDENTIFIER_NEWDEL_OP_P): ... this.
2815	(DECL_CONV_FN_P, DECL_OVERLOADED_OPERATOR_P): Adjust.
2816	(get_identifier_kind_name, set_identifier_kind): Declare.
2817	* lex.c (get_identifier_kind_name, set_identifier_kind): New.
2818	(init_operators): Adjust to avoid keywords, use
2819	set_identifier_kind. Copy TYPE_EXPR slot.
2820	(init_reswords): Call set_identifier_kind.
2821	(unqualified_name_lookup_error): Adjust.
2822	* operators.def (TYPE_EXPR): Remove.
2823	* decl.c (struct predefined_identifier): Move into ...
2824	(initialize_predefined_identifiers): ... here.  Call
2825	set_identifier_kind.
2826	(grokfndecl, check_var_type, grokdeclarator): Adjust.
2827	(grok_op_properties): Use IDENTIFIER_ANY_ASSIGN_OP to halve search
2828	space.  Adjust.
2829	* call.c (name_as_c_string): Adjust.
2830	(build_new_method_call_1): Likewise.
2831	* cp-cilkplus.c (is_conversion_operator_function_decl_p): Likewise.
2832	* cxx-pretty-print.c (pp_cxx_unqualified_id): Adjust.
2833	* dump.c (cp_dump_tree): Adjust.
2834	* error.c (dump_decl_name): Adjust.
2835	* mangle.c (write_unqualified_id, write_member_name,
2836	write_expression): Adjust.
2837	(mangle_conv_op_name_for_type): Use set_identifier_kind.
2838	* name-lookup.c (do_class_using_decl): Adjust.
2839	(lookup_name_fuzzy, lookup_name_real_1): Likewise.
2840	* parser.c (cp_lexer_get_preprocessor_token,
2841	cp_parser_direct_declarator): Likewise.
2842	* pt.c (push_template_decl_real, tsubst_decl, tsubst_baselink,
2843	tsubst_copy, tsubst_copy_and_build): Adjust.
2844	* ptree.c (cxx_print_identifier): Print identifier kind.
2845	* search.c (lookup_field_r, lookup_member,
2846	lookup_fnfields_idx_nolazy): Adjust.
2847	* semantics.c (finish_id_expression): Adjust..
2848	* typeck.c (cp_build_addr_expr_1): Adjust.
2849
28502017-06-21  Jakub Jelinek  <jakub@redhat.com>
2851
2852	PR c++/81154
2853	* semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
2854	Complain about t not being a variable if t is OVERLOAD even
2855	when processing_template_decl.
2856
28572017-06-21  David Malcolm  <dmalcolm@redhat.com>
2858
2859	* parser.c (get_cast_suggestion): New function.
2860	(maybe_add_cast_fixit): New function.
2861	(cp_parser_cast_expression): Capture the location of the closing
2862	parenthesis.  Call maybe_add_cast_fixit when emitting warnings
2863	about old-style casts.
2864
28652017-06-20  Jason Merrill  <jason@redhat.com>
2866
2867	PR c++/80972 - C++17 ICE with attribute packed.
2868	* call.c (build_over_call): Allow a TARGET_EXPR from reference
2869	binding.
2870
28712017-06-20  Nathan Sidwell  <nathan@acm.org>
2872
2873	* cp-tree.h (CPTI_NELTS_IDENTIFIER): Delete.
2874	(nelts_identifier): Delete.
2875	* decl.c (initialize_predefined_identifiers): Remove nelts.
2876
2877	PR c++/67074 - namespace aliases
2878	* decl.c (duplicate_decls): Don't error here on mismatched
2879	namespace alias.
2880	* name-lookup.c (name_lookup::add_value): Matching namespaces are
2881	not ambiguous.
2882	(diagnose_name_conflict): Namespaces are never redeclarations.
2883	(update_binding): An alias can match a real namespace.
2884
28852017-06-19  Jason Merrill  <jason@redhat.com>
2886
2887	PR c++/80562 - ICE with constexpr if.
2888	* semantics.c (finish_if_stmt_cond): Call
2889	instantiate_non_dependent_expr.
2890
2891	PR c++/80829 - ICE with constexpr copy of base subobject.
2892	* constexpr.c (clear_no_implicit_zero): New.
2893	(cxx_eval_call_expression): Call it.
2894
28952017-06-19  Nathan Sidwell  <nathan@acm.org>
2896
2897	PR c++/81124
2898	PR c++/79766
2899	* name-lookup.c (set_decl_namespace): Don't follow using
2900	directives and ignore using decls.  Only check overly-explicit
2901	scope after discovering decl.
2902
29032017-06-19  Jason Merrill  <jason@redhat.com>
2904
2905	PR c++/81073 - constexpr and static var in statement-expression.
2906	* typeck2.c (store_init_value): Always call
2907	require_potential_constant_expression.
2908	* pt.c (convert_nontype_argument): Likewise.
2909	* constexpr.c (potential_constant_expression_1): Adjust message.
2910	Use decl_maybe_constant_var_p instead of decl_constant_var_p.
2911	* decl2.c (decl_maybe_constant_var_p): Consider initializer.
2912
29132017-06-19  Nathan Sidwell  <nathan@acm.org>
2914
2915	* pt.c (coerce_template_parms): Fix indentation.
2916	(tsubst_decl): Remove repeated SET_DECL_RTL.  Move VAR_P handling
2917	in to single block.
2918
2919	PR c++/81119
2920	* name-lookup.c (update_binding): Only warn about constructors
2921	hidden by functions.
2922
29232017-06-17  Jason Merrill  <jason@redhat.com>
2924
2925	PR c++/60063 - -Wunused-local-typedefs and templates.
2926	* decl2.c (is_late_template_attribute): Return false for "used".
2927
2928	PR c++/70844 - -Wuseless-cast and inheriting constructor.
2929	* method.c (forward_parm): Suppress warn_useless_cast.
2930
29312017-06-16  Jason Merrill  <jason@redhat.com>
2932
2933	PR c++/81045 - Wrong type-dependence with auto return type.
2934	* pt.c (type_dependent_expression_p): An undeduced auto outside the
2935	template isn't dependent.
2936	* call.c (build_over_call): Instantiate undeduced auto even in a
2937	template.
2938
2939	PR c++/80465 - ICE with generic lambda with noexcept-specifier.
2940	* lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
2941	set longer for a generic lambda.
2942
2943	PR c++/80614 - Wrong mangling for C++17 noexcept type
2944	* mangle.c (write_type): Put the eh spec back on the function type.
2945
2946	PR c++/81102 - Wrong error with partial specialization.
2947	* pt.c (unify) [TEMPLATE_PARM_INDEX]: Strip reference when comparing
2948	types.  Do type deduction later.
2949
2950	PR c++/81074 - ICE with partial specialization of member template.
2951	PR c++/71747
2952	* pt.c (get_partial_spec_bindings): Only coerce innermost args.
2953
2954	PR c++/80831 - ICE with -fsyntax-only.
2955	* decl2.c (c_parse_final_cleanups): Use cgraph_node::get_create.
2956
2957	PR c++/80639 - ICE with invalid PMF initialization.
2958	PR c++/80043 - ICE with -fpermissive
2959	* typeck.c (convert_for_assignment): Recurse when instantiate_type
2960	returns without an error.
2961
29622017-06-16  Nathan Sidwell  <nathan@acm.org>
2963
2964	* pt.c (tsubst_baselink): Fix & clarify formatting.
2965
2966	* cp-tree.h (build_this_parm, cp_build_parm_decl,
2967	build_artificial_parm): Add FN parm.
2968	* decl.c (start_cleanup_fn): Adjust.
2969	(build_this_parm): Add FN parm, pass it through.
2970	(grokfndecl): Adjust parm building.
2971	* decl2.c (cp_build_parm_decl): Add FN parm, set context.
2972	(build_artificial_parm): Add FN parm, pass through.
2973	(maybe_retrofit_in_chrg): Adjust parm building.
2974	(start_static_storage_duration_function): Likwise.
2975	* lambda.c (maybe_aadd_lambda_conv_op): Likewise.
2976	* method.c (implicitly_declare_fn): Likewise.
2977	* parser.c (inject_this_parameter): Likewise.
2978
2979	Symbol tables are insert only.
2980	* cp-tree.h (default_hash_traits <lang_identifier *>): Don't
2981	derive from pointer_hash.  Make undeletable.
2982
2983	* class.c (resort_type_method_vec): Avoid potential unsigned
2984	overflow.
2985
2986	Don't defer noexcept_deferred_spec.
2987	* cp-tree.h (unevaluated_noexcept_spec): Don't declare.
2988	* decl.c (cxx_init_decl_processing): Initialize
2989	noexcept_deferred_spec.
2990	* except.c (unevaluated_noexcept_spec): Delete.
2991	* class.c (deduce_noexcept_on_destructor): Use
2992	noexcept_deferred_spec directly.
2993	* method.c (implicitly_declare_fn): Likewise.
2994
2995	Make keyed_classes a vector.
2996	* cp-tree.h (CPTI_KEYED_CLASSES, keyed_classes): Delete.
2997	(keyed_classes): Declare as vector.
2998	* decl.c (keyed_classes): Define.
2999	(cxx_init_decl_processing): Allocate it.
3000	(record_key_method_defined): Use vec_safe_push.
3001	* class.c (finish_struct_1): Likewise.
3002	* pt.c (instantiate_class_template_1): Likewise.
3003	* decl2.c (c_parse_final_cleanups): Reverse iterate keyed_classes.
3004
3005	Make rtti lazier
3006	* rtti.c (enum tinfo_kind): Add TK_DERIVED_TYPES,
3007	TK_VMI_CLASS_TYPES, TK_MAX.  Delete TK_FIXED.
3008	(tinfo_names): New.
3009	(typeid_ok_p): Add quotes to error messages.  Use get_tinfo_desc.
3010	(get_tinfo_decl): Use get_tinfo_desc.
3011	(get_pseudo_ti_init): Likewise. Adjust VMI construction.
3012	(create_pseudo_type_info): Delete.
3013	(get_pseudo_ti_index): Just determine the index.
3014	(get_tinfo_desc): New.  Create all types lazily.
3015	(create_tinfo_types): Just allocate the descriptor array.
3016	(emit_support_tinfos): Use non-inserting type lookup.  Set builtin
3017	location.
3018
30192017-06-15  Martin Sebor  <msebor@redhat.com>
3020
3021	PR c++/80560
3022	* call.c (first_non_public_field, maybe_warn_class_memaccess): New
3023	functions.
3024	(has_trivial_copy_assign_p, has_trivial_copy_p): Ditto.
3025	(build_cxx_call): Call maybe_warn_class_memaccess.
3026
30272017-06-14  Jakub Jelinek  <jakub@redhat.com>
3028
3029	* cp-gimplify.c (cp_genericize_r): Turn most of the function
3030	into a switch (TREE_CODE (stmt)) statement from long else if
3031	sequence.
3032
30332017-06-13  Jakub Jelinek  <jakub@redhat.com>
3034
3035	PR c++/80973
3036	* cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
3037	argument even if it has REFERENCE_TYPE.
3038
3039	PR c++/80984
3040	* cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
3041	BLOCK_VARS (outer) chain.
3042	(cxx_omp_const_qual_no_mutable): Likewise.
3043
30442017-06-13  Martin Liska  <mliska@suse.cz>
3045
3046	PR sanitize/78204
3047	* class.c (build_base_path): Use sanitize_flags_p.
3048	* cp-gimplify.c (cp_genericize_r): Likewise.
3049	(cp_genericize_tree): Likewise.
3050	(cp_genericize): Likewise.
3051	* cp-ubsan.c (cp_ubsan_instrument_vptr_p): Likewise.
3052	* decl.c (compute_array_index_type): Likewise.
3053	(start_preparsed_function): Likewise.
3054	* decl2.c (one_static_initialization_or_destruction): Likewise.
3055	* init.c (finish_length_check): Likewise.
3056	* lambda.c (maybe_add_lambda_conv_op): Likewise.
3057	* typeck.c (cp_build_binary_op): Likewise.
3058	(build_static_cast_1): Likewise.
3059
30602017-06-11  Jason Merrill  <jason@redhat.com>
3061
3062	* error.c (dump_expr): Use is_this_parameter.
3063
3064	* cp-tree.h, decl2.c, mangle.c, parser.c, pt.c, semantics.c: Use
3065	id_equal.
3066
30672017-06-09  Jason Merrill  <jason@redhat.com>
3068
3069	Missing bits from N4268, constant evaluation for all non-type args.
3070	* call.c (build_converted_constant_expr): Rename from
3071	build_integral_nontype_arg_conv, handle all types.
3072	* pt.c (convert_nontype_argument): In C++17 call it for all types.
3073	Move NOP stripping inside pointer case, don't strip ADDR_EXPR.
3074	* cvt.c (strip_fnptr_conv): Also strip conversions to the same type.
3075
3076	Overhaul pointer-to-member conversion and template argument handling.
3077	* call.c (standard_conversion): Avoid creating ck_pmem when the
3078	class type is the same.
3079	* cvt.c (can_convert_qual): Split from
3080	perform_qualification_conversions.
3081	* constexpr.c (cxx_eval_constant_expression): Check it.
3082	* typeck.c (convert_ptrmem): Only cplus_expand_constant if
3083	adjustment is necessary.
3084	* pt.c (check_valid_ptrmem_cst_expr): Compare class types.
3085	(convert_nontype_argument): Avoid redundant error.
3086
3087	* call.c (convert_like_real): Remove "inner" parameter.
3088	Don't replace a constant with its value.
3089	* cp-gimplify.c (cp_fully_fold): Use cp_fold_rvalue.
3090
3091	* pt.c (convert_nontype_argument): Check NULLPTR_TYPE_P rather than
3092	nullptr_node.
3093
3094	* parser.c (cp_parser_constant_expression): Check
3095	potential_rvalue_constant_expression after decay_conversion.
3096	* pt.c (convert_nontype_argument): Don't require linkage in C++17.
3097
3098	PR c++/80384 - ICE with dependent noexcept-specifier
3099	* pt.c (dependent_type_p_r) [FUNCTION_TYPE]: Check for dependent
3100	noexcept-specifier.
3101
3102	* constexpr.c (potential_constant_expression_1): Allow 'this' capture.
3103
31042017-06-09  Jan Hubicka  <hubicka@ucw.cz>
3105
3106	* class.c (build_vtbl_initializer): Mark dvirt_fn as cold.
3107	* decl.c (cxx_init_decl_processing, push_throw_library_fn): Likewise.
3108	(excpet.c): Mark terminate as cold.
3109
31102017-06-08  Jakub Jelinek  <jakub@redhat.com>
3111
3112	PR c/81006
3113	* semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
3114	to sizetype before size_binop.
3115
3116	PR c++/81011
3117	* cp-gimplify.c (cxx_omp_finish_clause): When changing clause
3118	to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
3119	and OMP_CLAUSE_SHARED_READONLY flags.
3120
31212017-06-08  Jan Hubicka  <hubicka@ucw.cz>
3122
3123	* cp-tree.h (lang_check_failed): Annotate by ATTRIBUTE_COLD.
3124
31252017-06-07  Nathan Sidwell  <nathan@acm.org>
3126
3127	* class.c (layout_class_type): Restructure overlong-bitfield tpe
3128	search.
3129
31302017-06-07  Jonathan Wakely  <jwakely@redhat.com>
3131
3132	PR c++/80990
3133	* pt.c (do_class_deduction): Build qualified type.
3134
31352017-06-06  Nathan Sidwell  <nathan@acm.org>
3136
3137	* name-lookup.c (suggest_alternatives_for): Use qualified lookup
3138	sans using directives.  Don't walk into inline namespaces.
3139
3140	PR c++/80979
3141	* name-lookup.c (adl_class_only): Don't add visible friends.
3142
31432017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
3144
3145	* parser.c (cp_parser_base_specifier): Fix typos in error messages.
3146
31472017-06-02  Nathan Sidwell  <nathan@acm.org>
3148
3149	Remove lang_type_ptrmem.
3150	* cp-tree.h (lang_type_header): Remove is_lang_type_class. Move
3151	into ...
3152	(lang_type_class): ... this.  Reorder bitfields.  Rename to ...
3153	(lang_type): ... this.  Delete old definition.
3154	(lang_type_ptrmem): Delete.
3155	(LANG_TYPE_CLASS_CHECK): Simply get TYPE_LANG_SPECIFIC.  Adjust uses.
3156	(LANG_TYPE_PTRMEM_CHECK): Delete.
3157	(TYPE_GET_PTRMEMFUNC_TYPE, TYPE_SET_PTRMEMFUNC_TYPE): Delete.
3158	(TYPE_PTRMEMFUNC_TYPE): New.  Use TYPE_LANG_SLOT_1.
3159	* decl.c (build_ptrmemfunc_type): Adjust.
3160	* lex.c (copy_lang_type): Remove lang_type_ptrmem handling.
3161	(maybe_add_lang_type_raw): Don't set u.c.h.is_lang_type_class.
3162	
3163	* class.c (check_bases_and_members): Adjust vec_new_uses_cookie
3164	setting.
3165	
3166	Remove cp_binding_level::namespaces
3167	* name-lookup.h (cp_binding_level): Lose namespaces field.
3168	* name-lookup.c (add_decl_to_level): Chain namespaces on the names
3169	list.
3170	(suggest_alternatives_for): Adjust for namespace list.  Do
3171	breadth-first search.
3172	* decl2.c (collect_source_refs): Namespaces are on the regulr
3173	list.
3174	(collect_ada_namespace): Likewise.
3175
31762017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3177
3178	* typeck.c (cp_build_binary_op): Implement the -Wsizeof_pointer_div
3179	warning.
3180
31812017-06-01  Ville Voutilainen  <ville.voutilainen@gmail.com>
3182
3183	PR c++/80812
3184	* method.c (constructible_expr): Strip array types before calling
3185	build_value_init.
3186
31872017-06-01  Paolo Carlini  <paolo.carlini@oracle.com>
3188
3189	PR c++/80896
3190	* cvt.c (convert_to_void): Possibly call maybe_warn_nodiscard
3191	for case INDIRECT_REF too in the main switch.
3192
31932017-05-31  Jason Merrill  <jason@redhat.com>
3194
3195	PR c++/80840 - ICE with constexpr and reference
3196	* pt.c (convert_nontype_argument): Don't test whether a decl is
3197	value-dependent when binding to a reference.
3198
31992017-05-31  Nathan Sidwell  <nathan@acm.org>
3200
3201	* cp-tree.h (lang_decl_slector): New enum.
3202	(lang_decl_base): Make selector an enum.  Drop decomposition_p
3203	field.
3204	(lang_decl): Use enum for discrimination.
3205	(LANG_DECL_FN_CHECK, LANG_DECL_NS_CHECK, LANG_DECL_PARM_CHECK,
3206	LANG_DECL_DEOMP_CHECK): Use enum.
3207	(DECL_DECOMPOSITION_P): Use selector value.
3208	(SET_DECL_DECOMPOSITION_P): Delete.
3209	(retrofit_lang_decl): Lose SEL parm.
3210	(fit_decomposition_lang_decl): Declare.
3211	* decl.c (cp_finish_decomp, grokdeclarator): Use
3212	fit_decomposition_lang_decl.
3213	* lex.c (maybe_add_lang_decl_raw): New. Broken out of
3214	retrofit_lang_decl.
3215	(set_decl_linkage): New.  Broken out of retrofit_lang_decl.  Use enum.
3216	(fit_decomposition_lang_decl): Likewise.
3217	(retrofit_lang_decl): Use worker functions.
3218	(cxx_dup_lang_specific_decl): Use selector enum.
3219	(maybe_add_lang_type_raw): New.  Broken out of ...
3220	(cxx_make_type_name): ... here.  Call it.
3221
32222017-05-30  Jason Merrill  <jason@redhat.com>
3223
3224	PR c++/80856 - ICE with local extern in template
3225	* semantics.c (finish_call_expr): Replace a local extern overload
3226	set in a template with the IDENTIFIER_NODE.
3227
32282017-05-30  David Malcolm  <dmalcolm@redhat.com>
3229
3230	* call.c (perform_implicit_conversion_flags): Convert
3231	"from %qT to %qT" to "from %qH to %qI" in diagnostic.
3232	(print_conversion_rejection): Replace pairs of %qT with
3233	%qH and %qI in various places.
3234	(build_user_type_conversion_1): Likewise.
3235	(build_integral_nontype_arg_conv): Likewise.
3236	(build_conditional_expr_1): Likewise.
3237	(convert_like_real): Likewise.
3238	(convert_arg_to_ellipsis): Likewise.
3239	(joust): Likewise.
3240	(initialize_reference): Likewise.
3241	* cvt.c (cp_convert_to_pointer): Likewise.
3242	(cp_convert_to_pointer): Likewise.
3243	(convert_to_reference): Likewise.
3244	(ocp_convert): Likewise.
3245	* error.c (cp_printer): Gain bool and const char ** parameters.
3246	(struct deferred_printed_type): New struct.
3247	(class cxx_format_postprocessor): New class.
3248	(cxx_initialize_diagnostics): Wire up a cxx_format_postprocessor
3249	to pp->m_format_postprocessor.
3250	(comparable_template_types_p): New function.
3251	(newline_and_indent): New function.
3252	(arg_to_string): New function.
3253	(print_nonequal_arg): New function.
3254	(print_template_differences): New function.
3255	(type_to_string_with_compare): New function.
3256	(print_template_tree_comparison): New function.
3257	(append_formatted_chunk): New function.
3258	(add_quotes): New function.
3259	(cxx_format_postprocessor::handle): New function.
3260	(defer_phase_2_of_type_diff): New function.
3261	(cp_printer): Add "quoted" and "buffer_ptr" params.  Implement
3262	%H and %I.
3263	* typeck.c (cp_build_binary_op): Replace pairs of %qT with
3264	%qH and %qI in various places.
3265	(convert_member_func_to_ptr): Likewise.
3266	(build_reinterpret_cast_1): Likewise.
3267	(convert_for_assignment): Likewise.
3268	* typeck2.c (check_narrowing): Likewise.
3269
32702017-05-30  Nathan Sidwell  <nathan@acm.org>
3271
3272	Kill IDENTIFIER_NAMESPACE_BINDINGS
3273	* cp-tree.h (lang_identifier): Delete namespace_bindings.
3274	(IDENTIFIER_NAMESPACE_BINDINGS): Delete.
3275	(lang_decl_ns): Add bindings.
3276	(DECL_NAMESPACE_BINDINGS): New.
3277	* lex.c (retrofit_lang_decl): Create namespace hash table.
3278	* name-lookup.c (find_namespace_slot): Change to use hash-map.
3279	* ptree.c (cxx_print_binding): Delete.
3280	(cxx_print_identifier): Remove NAMESPACE_BINDING printing.
3281
3282	* cp-tree.def (OVERLOAD): Fix comment.
3283	* cp-tree.h: Fix comments and whitespace.
3284	* error.c (dump_decl): Use pp_cxx_colon_colon, ovl_scope.
3285	* name-lookup.c (add_decl_to_level): Assert not class.
3286	(check_local_shadow): Use OVL_P.
3287	(pushdecl_with_scope_1): Rename to ...
3288	(do_pushdecl_with_Scope): ... here.
3289	(do_nonmember_using_decl): Use qualified_namespace_lookup return
3290	value.
3291	(push_class_level_binding_1): Use OVL_P.
3292	(pushdecl_namespace_level): Use do_pushdecl_with_scope.
3293	(pushtag_1): Rename to ...
3294	(do_pushtag): ... here.  Adjust do_pushdecl_with_scope call.
3295	(pushtag): Adjust.
3296	(store_class_bindings): Do not time here.
3297	* name-lookup.h (pushdecl_outermost_localscope): Reorder.
3298	* pt.c (listify): Declare argvec at point of initialization.
3299
3300	PR c++/80913
3301	* name-lookup.c (add_decl_to_level): Assert not making a circular
3302	chain.
3303	(update_binding): Don't prematurely slide artificial decl.
3304
33052017-05-29  Alexandre Oliva <aoliva@redhat.com>
3306
3307	* cp-tree.h (lang_identifier): Drop oracle_looked_up, unused.
3308
33092017-05-29  Nathan Sidwell  <nathan@acm.org>
3310
3311	PR c++/80891 (#1,#5)
3312	* cp-tree.h (lookup_maybe_add): Add DEDUPING argument.
3313	* name-lookup.c (name_lookup): Add deduping field.
3314	(name_lookup::preserve_state, name_lookup::restore_state): Deal
3315	with deduping.
3316	(name_lookup::add_overload): New.
3317	(name_lookup::add_value, name_lookup::add_fns): Call add_overload.
3318	(name_lookup::search_adl): Set deduping.  Don't unmark here.
3319	* pt.c (most_specialized_instantiation): Revert previous change,
3320	Assert not given duplicates.
3321	* tree.c (lookup_mark): Just mark the underlying decls.
3322	(lookup_maybe_add): Dedup using marked decls.
3323
3324	PR c++/80891 (#4)
3325	* ptree.c (cxx_print_xnode): Show internal OVERLOAD structure.
3326	* tree.c (ovl_insert, ovl_iterator_remove_node): Fix copying assert.
3327
3328	Stat hack representation
3329	* name-lookup.c (STAT_HACK_P, STAT_TYPE, STAT_DECL,
3330	MAYBE_STAT_DECL, MAYBE_STAT_TYPE): New.
3331	(stat_hack): New.
3332	(find_namespace_binding): Replace with ...
3333	(find_namespace_slot): ... this.
3334	(find_namespace_value): New.
3335	(name_lookup::search_namespace_only,
3336	name_lookup::adl_namespace_only): Adjust.
3337	(update_binding): Add SLOT parameter, adjust.
3338	(check_local_shadow): Use find_namespace_value.
3339	(set_local_extern_decl_linkage): Likewise.
3340	(do_pushdecl): Adjust for namespace slot.
3341	(push_local_binding): Assert not a namespace binding.
3342	(check_for_out_of_scope_variable): Use find_namespace_value.
3343	(set_identifier_type_value_with_scope): Likewise.
3344	(get_namespace_binding): Likewise.
3345	(set_namespace_binding): Delete.
3346	(set_global_binding): Directly update the binding.
3347	(finish_namespace_using_decl): Likewise.
3348	(lookup_type_scope_1): Use find_namespace_slot and update.
3349	(do_push_nested_namespace): Use find_namespace_value.
3350
3351	PR c++/80891 (#1)
3352	* pt.c (most_specialized_instantiation): Cope with duplicate
3353	instantiations.
3354
3355	PR c++/80891 (#3)
3356	* cp-tree.h (build_min_nt_call_vec): Declare.
3357	* decl.c (build_offset_ref_call_from_tree): Call it.
3358	* parser.c (cp_parser_postfix_expression): Likewise.
3359	* pt.c (tsubst_copy_and_build): Likewise.
3360	* semantics.c (finish_call_expr): Likewise.
3361	* tree.c (build_min_nt_loc): Keep unresolved lookups.
3362	(build_min): Likewise.
3363	(build_min_non_dep): Likewise.
3364	(build_min_non_dep_call_vec): Likewise.
3365	(build_min_nt_call_vec): New.
3366
3367	PR c++/80891 (#2)
3368	* tree.c (ovl_copy): Adjust assert, copy OVL_LOOKUP.
3369	(ovl_used): New.
3370	(lookup_keep): Call it.
3371
33722017-05-26  Nathan Sidwell  <nathan@acm.org>
3373
3374	Implement DR2061
3375	* name-lookup.c (push_inline_namespaces): New.
3376	(push_namespace): Look inside inline namespaces.
3377
3378	Inline and using namespace representation change.
3379	* cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
3380	inlinees as vector.
3381	(DECL_NAMESPACE_USING): Adjust.
3382	(DECL_NAMESPACE_INLINEES): New.
3383	* name-lookup.h (struct cp_binding_level): Change usings
3384	representation.
3385	* name-lookup.c (name_lookup::do_queue_usings,
3386	name_lookup::queue_usings): Adjust.
3387	(name_lookup::search_namespace, name_lookup::search_usings,
3388	name_lookup::queue_namespace): Adjust.
3389	(name_lookup::adl_namespace_only): Adjust.
3390	(add_using_namespace, push_namespace): Push onto vector.
3391	(pop_namespace): Add timing logic.
3392
3393	* call.c (build_operator_new_call): Do namelookup and ADL here.
3394	(build_new_op_1): Likewise.
3395	* name-lookup.h (lookup_function_nonclass): Delete declaration.
3396	(do_using_directive): Likewise.
3397	* name-lookup.c (set_namespace_binding, push_local_binding): Don't
3398	declare early.
3399	(struct scope_binding): Delete.
3400	(EMPTY_SCOPE_BINDING): Delete.
3401	(set_decl_namespace): Use OVL_P.
3402	(finish_local_using_decl): Lose unnecesary checks.
3403	(lookup_function_nonclass): Delete.
3404	(cp_emit_debug_info_for_using): Use MAYBE_BASELINK_P.
3405
3406	* cp-tree.h (OVL_CHAIN): Check looking at OVERLOAD.
3407	(ovl_iterator): Add allow_inner field.  Adjust ctor.  Make
3408	unduplicatable.
3409	(ovl_iterator::maybe_push, ovl_iterator::pop): New.
3410	(lkp_iterator): Add outer field.  Adjust ctor.
3411	(lkp_iterator::operator++): New.
3412	(lookup_mark, lookup_maybe_add): Declare.
3413	* name-lookup.c (name_lookup): Delete fn_set member.
3414	(name_lookup::preserve_state, name_lookup::restore_state): Unmark
3415	and mark lookup.
3416	(name_lookup::add_value): Use lookup_add directly.
3417	(name_lookup::add_fns: Use lookup_maybe_add.
3418	(name_lookup::search_adl): Mark and unmark fns.
3419	(pushdecl): Adjust.
3420	* pt.c (check_explicit_specialization): Use lookup_add directly.
3421	* ptree.c (cxx_print_xnode): Show complete overload structure.
3422	* tree.c (lookup_mark, lookup_maybe_add): New.
3423
3424	* name-lookup.c (name_lookup::search_adl): ADL OMP UDR type args.
3425
34262017-05-26  Jakub Jelinek  <jakub@redhat.com>
3427
3428	* cp-tree.h (struct lang_decl_decomp): New type.
3429	(struct lang_decl): Add u.decomp.
3430	(LANG_DECL_DECOMP_CHECK): Define.
3431	(DECL_DECOMPOSITION_P): Note it is set also on the vars
3432	for user identifiers.
3433	(DECL_DECOMP_BASE): Define.
3434	(retrofit_lang_decl): Add extra int = 0 argument.
3435	* lex.c (retrofit_lang_decl): Add SEL argument, if non-zero
3436	use it to influence the selector choices and for selector
3437	0 to non-zero transition copy old content.
3438	(cxx_dup_lang_specific_decl): Handle DECL_DECOMPOSITION_P.
3439	* decl.c (poplevel): For DECL_DECOMPOSITION_P, check
3440	!DECL_DECOMP_BASE instead of !DECL_VALUE_EXPR.  Adjust warning
3441	wording if decl is a structured binding.
3442	(cp_finish_decomp): Pass 4 as the new argument to retrofit_lang_decl.
3443	Set DECL_DECOMP_BASE.  Ignore DECL_READ_P sets from initialization
3444	of individual variables for tuple structured bindings.
3445	(grokdeclarator): Pass 4 as the new argument to retrofit_lang_decl.
3446	Clear DECL_DECOMP_BASE.
3447	* decl2.c (mark_used): Mark DECL_DECOMP_BASE TREE_USED as well.
3448	* pt.c (tsubst_decomp_names): Assert DECL_DECOMP_BASE matches what
3449	is expected.
3450	* expr.c (mark_exp_read): Recurse on DECL_DECOMP_BASE instead of
3451	DECL_VALUE_EXPR.
3452
34532017-05-25  Jason Merrill  <jason@redhat.com>
3454
3455	PR c++/80605 - __is_standard_layout and zero-length array
3456	* class.c (check_bases): Use DECL_FIELD_IS_BASE.
3457
34582017-05-25  Nathan Sidwell  <nathan@acm.org>
3459
3460	Kill OVL_CURRENT, OVL_NEXT.
3461	* cp-tree.h (OVL_CURRENT, OVL_NEXT): Delete.
3462	* name-lookup.c (set_decl_namespace): Use ovl_iterator.
3463	(consider_binding_level): Use OVL_FIRST.
3464	(cp_emit_debug_info_for_using): Use lkp_iterator.
3465	* pt.c (check_explicit_specialization): Use ovl_iterator.	
3466
3467	Kill DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS.
3468	* cp-tree.h (lang_decl_ns): Remove ns_users field.
3469	(DECL_NAMESPACE_USERS, DECL_NAMESPACE_ASSOCIATIONS): Delete.
3470	(TREE_INDIRECT_USING): Delete.
3471	* name-lookup.h (is_associated_namespace): Delete.
3472	* name-lookup.c (name_lookup::search_usings,
3473	name_lookup::do_queue_usings): Usings are always direct.
3474	(is_associated_namespace): Delete.
3475	(handle_namespace_attrs): Use DECL_NAMESPACE_INLINE_P.
3476	(namespace_ancestor_1, namespace_ancestor): Delete.
3477	(push_using_directive_1, push_using_directive): Delete.
3478	(add_using_namespace_1): Delete.
3479	(add_using_namespace): Reimplement.
3480	(emit_debug_info_using_namespace): New.
3481	(finish_namespace_using_directive, finish_local_using_directive,
3482	push_namespace): Adjust.
3483	* tree.c (cp_free_lang_data): Remove DECL_NAMESPACE_USERS handling.
3484
34852017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
3486
3487	* semantics.c (finish_handler_parms): Warn about non-reference type
3488	catch handlers.
3489
34902017-05-25  Nathan Sidwell  <nathan@acm.org>
3491
3492	Reimplement unqualified namespace lookup.
3493	* name-lookup.c (name_lookup::using_pair,
3494	name_lookup::using_queue): New typedefs.
3495	(name_lookup::queue_namespace, name_lookup::do_queue_usings,
3496	name_lookup::queue_usings): New.
3497	(name_lookup::search_unqualified): New.
3498	(merge_functions, same_entity_p, ambiguous_decl,
3499	unqualified_namespace_lookup_1, unqualified_namespace_lookup,
3500	lookup_using_namespace): Delete.
3501	(lookup_name_real_1): Adjust.
3502
3503	Reimplement qualified namespace lookup.
3504	* name-lookup.c (name_lookup::flags): New member.  Adjust ctor.
3505	(name_lookup::ambiguous, name_lookup::add_value,
3506	name_lookup::add_type, name_lookup::process_binding): New.
3507	(name_lookup::search_namespace_only,
3508	name_lookup::search_namespace, name_lookup::search_usings): New.
3509	(name_lookup::search_qualified): New.
3510	(do_nonmember_using_decl, suggest_alternatives_for,
3511	lookup_qualified_name): Adjust.
3512	(tree_vec_contains): Delete.
3513	(qualified_lookup_using_namespace): Rename to ...
3514	(qualified_namespace_lookup): ... here.  Reimplement.
3515
3516	Reimplement ADL.
3517	* cp-tree.h (LOOKUP_SEEN_P, LOOKUP_FOUND_P): New.
3518	* name-lookup.h (lookup_arg_dependent): Return plain tree.
3519	* name-lookup.c (arg_lookup, arg_assoc, arg_assoc_args,
3520	arg_assoc_args_vec, arg_assoc_type, add_function,
3521	arg_assoc_namespace, arg_assoc_class_only, arg_assoc_bases,
3522	arg_assoc_class, arg_assoc_template_arg, arg_assoc,
3523	lookup_arg_dependent_1): Delete.
3524	(name_lookup): New lookup object.
3525	(name_lookup::preserve_state, name_lookup::restore_state,
3526	name_lookup::mark_seen, name_lookup::find_and_mark,
3527	name_lookup::add_fns, name_lookup::adl_namespace_only,
3528	name_lookup::adl_namespace, name_lookup::adl_class_only,
3529	name_lookup::adl_bases, name_lookup::adl_class,
3530	name_lookup::adl_expr, name_lookup::adl_type,
3531	name_lookup::adl_template_arg, name_lookup::search_adl): New.
3532	(lookup_arg_dependent): Return a plain tree.  Adjust.
3533	(is_associated_namespace): Move later.
3534	
35352017-05-24  Nathan Sidwell  <nathan@acm.org>
3536
3537	* friend.c (do_friend): Remove check for existing decl.
3538	* name-lookup.h (lookup_name_innermost_nonclass_level): Delete.
3539	* name-lookup.c (push_local_binding): Directly look for binding.
3540	(lookup_name_innermost_nonclass_level_1): Delete.
3541	(lookup_name_innermost_nonclass_level): Delete.
3542
3543	* Make-lang.in (CXX_AND_OBJCXX_OBJS): Alphabetize.
3544
3545	* cp-tree.h (cp_free_lang_data): Add extern.
3546	(ovl_skip_hidden, is_overloaded_fn, really_overloaded_fn): Add
3547	ATTRIBUTE_PURE.
3548	(type_unknown_p): Return bool, make inline, lose TREE_LIST check.
3549	* typeck.c (type_unknown_p): Delete.
3550	* tree.c (is_overloaded_fn): Use MAYBE_BASELINE_FUNCTIONS, adjust
3551	overload management.
3552	(dependent_name): Likewise.
3553	(decl_anon_ns_mem_p): Simplify.
3554
35552017-05-24  Jonathan Wakely  <jwakely@redhat.com>
3556
3557	PR c++/80544
3558	* tree.c (reshape_init): Use unqualified type for direct enum init.
3559	* typeck.c (maybe_warn_about_cast_ignoring_quals): New.
3560	(build_static_cast_1, build_reinterpret_cast_1): Strip cv-quals from
3561	non-class destination types.
3562	(build_const_cast_1): Strip cv-quals from destination types.
3563	(build_static_cast, build_reinterpret_cast, build_const_cast)
3564	(cp_build_c_cast): Add calls to maybe_warn_about_cast_ignoring_quals.
3565
35662017-05-24  Martin Sebor  <msebor@redhat.com>
3567
3568	PR c/80731
3569	* call.c (fully_fold_internal): Adjust.
3570
35712017-05-24  Nathan Sidwell  <nathan@acm.org>
3572
3573	* cp-tree.h (ovl_skip_hidden): Declare.
3574	* tree.c (ovl_skip_hidden): New.
3575	* name-lookup.c (arg_assoc_namespace): Call ovl_skip_hidden.
3576	(lookup_arg_dependent_1): Likewise.
3577	(ambiguous_decl): Use DECL_HIDDEN_P, ovl_skip_hidden.
3578	(hidden_name_p, remove_hidden_names): Delete.
3579	(lookup_name_real_1): Do not strip hidden names.
3580	* name-lookup.h (hidden_name_p, remove_hidden_names): Delete.
3581
3582	* cp-tree.h (OVL_HIDDEN_P): New.
3583	(ovl_iterator::hidden_p, ovl_iterator::reveal_node): New.
3584	(ovl_iterator::reveal_node): Declare.
3585	* tree.c (ovl_copy): Copy OVL_HIDDEN_P.
3586	(ovl_insert): Order on hiddenness.
3587	(ovl_iterator::reveal_node): New.
3588	* name-lookup.c (anticipated_builtin_p): New.
3589	(supplement_binding_1): Use it.
3590	(set_local_extern_decl_linkage): Use hidden_p.
3591	(do_pushdecl): Deal with unhiding a hidden decl, use
3592	anticipated_builtin_p.
3593	(do_nonmember_using_decl): Use anticipated_decl_p.
3594	(lookup_name_real_1): Use DECL_HIDDEN_P.
3595
35962017-05-23  Jason Merrill  <jason@redhat.com>
3597
3598	-Wunused and C++17 structured bindings
3599	* decl.c (poplevel): Don't warn about unused structured bindings,
3600	only real variables.
3601	* error.c (dump_simple_decl): Handle structured bindings.
3602	* expr.c (mark_exp_read): Look through DECL_VALUE_EXPR.
3603
36042017-05-23  Nathan Sidwell  <nathan@acm.org>
3605
3606	* cp-tree.h (PUSH_GLOBAL, PUSH_LOCAL, PUSH_USING): Delete.
3607	* name-lookup.c (create_local_binding): New.
3608	(update_binding): New.
3609	(pushdecl_maybe_friend_1): Rename to ...
3610	(do_pushdecl): ... this.  Reimplement.
3611	(pushdecl): Adjust.
3612	(push_overloaded_decl_1, push_overloaded_decl): Delete.
3613
36142017-05-23  Jason Merrill  <jason@redhat.com>
3615
3616	PR c++/80396 - built-in for make_integer_sequence.
3617	* pt.c (builtin_pack_fn_p, builtin_pack_call_p)
3618	(expand_integer_pack, expand_builtin_pack_call): New.
3619	(find_parameter_packs_r): Check builtin_pack_call_p.
3620	(check_for_bare_parameter_packs): Handle it.
3621	(tsubst_pack_expansion): Call expand_builtin_pack_call.
3622	(declare_integer_pack): New.
3623	(init_template_processing): Call it.
3624	* decl2.c (mark_used): Check builtin_pack_fn_p.
3625
36262017-05-23  Nathan Sidwell  <nathan@acm.org>
3627
3628	* name-lookup.c (find_namespace_binding): New.
3629	(pushdecl_maybe_friend_1): Use CP_DECL_CONTEXT.
3630	(set_identifier_type_value_with_scope): Use find_namespace_binding.
3631	(find_binding, cp_binding_level_find_binding_for_name,
3632	binding_for_name, namespace_binding_1): Delete.
3633	(push_overloaded_decl_1): Use CP_DECL_CONTEXT.
3634	(get_namespace_binding, set_namespace_binding,
3635	finish_namespace_using_decl, unqualified_namespace_lookup_1,
3636	qualified_lookup_using_namespace, lookup_type_scope_1,
3637	lookup_name_innermost_nonclass_level_1): Use find_namespace_binding.
3638
3639	PR c++/80866
3640	* parser.c (cp_parser_template_id): Keep the lookup when stashing
3641	the template_id.
3642
3643	* cp-tree.h (DECL_HIDDEN_P): New.
3644	* name-lookup.c (set_decl_context,
3645	set_local_extern_decl_linkage):	New, broken out of ...
3646	(pushdecl_maybe_friend_1): ... here.  Call them.
3647
36482017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
3649
3650	* parser.c (OACC_KERNELS_CLAUSE_MASK): Add
3651	"PRAGMA_OACC_CLAUSE_NUM_GANGS", "PRAGMA_OACC_CLAUSE_NUM_WORKERS",
3652	"VECTOR_LENGTH".
3653
36542017-05-23  Nathan Sidwell  <nathan@acm.org>
3655
3656	* cp-tree.h (OVL_P): New.
3657	* name-lookup.h (push_local_binding): Delete.
3658	(do_toplevel_using_decl, do_local_using_decl): Rename to ...
3659	(finish_namespace_using_decl, finish_local_using_decl): ... here
3660	* name-lookup.c (add_decl_to_level): Swap args.
3661	(pop_bindings_and_leave_scope): Look inside TREE_LIST.
3662	(diagnose_name_conflict): Check contexts are same for redecl.
3663	(update_local_overload): New.
3664	(compparms_for_decl_and_using): Rename to ...
3665	(matching_fn_p): ... here.
3666	(pushdecl_maybe_friend_1): Adjust add_decl_to_level,
3667	push_local_bindings call.
3668	(push_local_binding): Make static, replace FLAGS arg with
3669	IS_USING.
3670	(validate_nonmember_using_decl): Use OVL_FIRST.
3671	(do_nonmember_using_decl): Use in/out parameters.  Use
3672	lkp_iterator and simplify.
3673	(do_toplevel_using_decl, do_local_using_decl): Rename to ...
3674	(finish_namespace_using_decl, finish_local_using_decl): ... here.
3675	Adjust.
3676	(lookup_type_current_level): Delete.
3677	* parser.c (cp_parser_using_declaration): Adjust.
3678	* pt.c (tsubst_expr): Adjust.
3679
36802017-05-22  Nathan Sidwell  <nathan@acm.org>
3681
3682	* name-lookup.h (parse_using_directive): Replace with ...
3683	(finish_namespace_using_directive): ... this and ...
3684	(finish_local_using_directive): ... this.
3685	* name-lookup.c (add_using_namespace_1): Move later.
3686	(add_using_namespace): Move later, add namespace_p arg, remove
3687	indirect arg.
3688	(push_using_directive_1): Directly recurse.
3689	(do_using_directive, parse_using_directive): Delete, split into ...
3690	(finish_namespace_using_directive): ... this and ...
3691	(finish_local_using_directive): ... this.
3692	(push_namespace): Use add_using_namespace.
3693	* parser.c (cp_parser_using_directive): Call
3694	finish_namespace_using_directive or finish_local_using_directive.
3695	* pt.c (tsubst_expr): Call finish_local_using_directive.
3696
3697	* cp-objcp-common.c (cp_register_dumps): Register raw dumper.
3698	* cp-tree.h (raw_dump_id): Declare.
3699	* decl2.c (raw_dump_id): Define.
3700	(dump_tu): Use raw_dump_id.
3701
3702	* config-lang.in (gtfiles): Sort list, break lines.
3703
3704	* cp-tree.h (CPTI_TERMINATE, CPTI_CALL_UNEXPECTED): Rename to ...
3705	(CPTI_TERMINATE_FN, CPTI_CALL_UNEXPECTED_FN): ... here.
3706	( CPTI_GET_EXCEPTION_PTR_FN, CPTI_BEGIN_CATCH_FN, CPTI_END_CATCH_FN,
3707	CPTI_ALLOCATE_EXCEPTION_FN, CPTI_FREE_EXCEPTION_FN, CPTI_THROW_FN,
3708	CPTI_RETHROW_FN): New.
3709	(noexcept_deferred_spec): New.
3710	(terminate_node, call_unexpected_node): Rename to ...
3711	(terminate_fn, call_unexpected_fn): ... here.
3712	(get_exception_ptr_fn, begin_catch_fn, end_catch_fn,
3713	allocate_exception_fn, free_exception_fn, throw_fn, rethrow_fn): New.
3714	* except.c (fn1..fn5, throw_fn, rethrow_rn, spec): Delete.
3715	(init_exception_processing): Adjust.
3716	(declare_library_fn): Create and push the fns here.
3717	(do_get_exception_ptr, do_begin_catch, do_end_catch,
3718	do_allocate_exception_ptr, do_free_exception_ptr): Adjust
3719	declare_library_fn use.
3720	(unevaluated_noexcept_spec): Adjust.
3721	* cp-gimplify.c (genericize_eh_spec_block,
3722	gimplify_most_not_throw_expr): Adjust.
3723
3724	* name-lookup.c (pushdecl_top_level,
3725	pushdecl_top_level_and_finish): Move after namespace pushing and
3726	popping functions.
3727	(push_to_top_level): Rename to ...
3728	(do_push_to_top_level): ... here.  Remove timing code.
3729	(pop_from_top_level_1): Rename to ...
3730	(do_pop_from_top_level): ... here.
3731	(do_push_nested_namespace, do_pop_nested_namespace)
3732	(push_to_top_level): New wrapper for do_push_to_top_level.
3733	(pop_from_top_level): Adjust.
3734	(push_nested_namepace, pop_nested_namespace): Wrappers for workers.
3735
37362017-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
3737
3738	* config-lang.in (gtfiles): Add c-family/c-format.c,
3739	except.c, init.c, lambda.c and friend.c.
3740	* class.c (dvirt_fn): Move out of function scope,
3741	add GTY attribute.
3742	* except.c (fn1-5, throw_fn, rethrow_fn, spec): Likewise.
3743	* init.c (fn): Likewise.
3744	* lambda.c (ptr_id, max_id): Likewise.
3745	* friend.c (global_friend): Add GTY attribute.
3746
37472017-05-19  Nathan Sidwell  <nathan@acm.org>
3748
3749	* call.c (add_list_candidates): Use OVL_FIRST.
3750	(build_new_method_call_1): Likewise.
3751	* cp-tree.h (OVL_SINGLE_P): New.
3752	(TYPE_HIDDEN_P): New.
3753	* decl.c (xref_tag_1): Use TYPE_HIDDEN_P.
3754	* dump.c (cp_tump_tree): Adjust overload dumping.
3755	* error.c (dump_decl): Use OVL_SINGLE_P, simplify context
3756	printing.
3757	* method.c (lazily_declare_fn): Assert we added it.
3758	* parser.c (cp_parser_nested_name_specifier): Use OVL_SINGLE_P,
3759	OVL_FIRST.
3760	(cp_parser_template_name): Use lkp_iterator.
3761	* pt.c (begin_template_parm_list): Fixup comment.
3762	(instantiate_class_template_1): Use TYPE_HIDDEN_P.
3763	* tree.c (ovl_iterator::remove_node): Cope with inherited ctors.
3764	(ovl_scope): Use lkp_iterator.
3765
37662017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
3767
3768	* parser.c (cp_parser_omp_clause_default): Handle
3769	"OMP_CLAUSE_DEFAULT_PRESENT".
3770
3771	* parser.c (cp_parser_omp_clause_default): Avoid printing more
3772	than one syntax error message.
3773
37742017-05-19  Nathan Sidwell  <nathan@acm.org>
3775
3776	* class.c (class_dump_id): Define.
3777	(dump_class_hierarchy, dump_vtable, dump_vtt): Use it.
3778	* cp-objcp-common.c (cp_register_dumps): New.
3779	* cp-objcp-common.h (cp_register_dumps): Declare.
3780	(LANG_HOOKS_REGISTER_DUMPS): Override.
3781	* cp-tree.h (class_dump_id): Declare.
3782
37832017-05-18  Nathan Sidwell  <nathan@acm.org>
3784
3785	* cp-tree.h (OVL_ARG_DEPENDENT): Delete.
3786	(OVL_USED_P): New.
3787	(lookup_keep): Declare.
3788	* name-lookup.c (add_function): Don't set OVL_ARG_DEPENDENT.
3789	* pt.c (tsubst_copy): Assert lookup is persistent.
3790	* semantics.c (finish_call_expr): Use lkp_iterator, call
3791	lookup_keep.
3792	* tree.c (ovl_copy): New.
3793	(ovl_insert, ovl_iterator::remove_node): Copy immutable nodes.
3794	(lookup_keep): New.
3795
3796	* cp-tree.h (OVL_USED): Replace with ...
3797	(OVL_USING_P): ... this.
3798	(ovl_iterator::using_p): Adjust.
3799	* name-lookup.c (push_overloaded_decl_1,
3800	do_nonmember_using_decl): Adjust.
3801	* search.c (lookup_field_r): Adjust.
3802	* tree.c (ovl_insert, ovl_scope): Adjust.
3803
3804	* cp-tree.h (lookup_add): Swap args.
3805	(ovl_cons, build_overload): Delete.
3806	* name-lookup.c (add_function, push_overloaded_decl_1,
3807	do_nonmember_using_decl, merge_functions, remove_hidden_names):
3808	Use lookup_add, ovl_insert.
3809	* pt.c (check_explicit_specialization): Use lookup_add.
3810	(do_class_deduction): Likewise. Refactor if.
3811	* tree.c (lookup_add): Swap args.
3812	(ovl_cons, build_overload): Delete.
3813
3814	* name-lookup.c (find_local_binding): New, broken out of ...
3815	(lookup_name_innermost_nonclass_level_1): ... here.  Call it.
3816	(set_namespace_binding): Swap scope & name args.
3817	(namespace_binding_1): Likewise.
3818	(pushdecl_maybe_friend_1): Adjust set_namespace_binding call.
3819	(push_overloaded_decl_1): Likewise.
3820	(set_global_binding): Likewise.
3821	(get_namespace_binding): Adjust namespace_binding_1 call.
3822
38232017-05-17  Nathan Sidwell  <nathan@acm.org>
3824
3825	* cp-tree.h (default_hash_traits <lang_identifier *>): New
3826	specialization.
3827	* name-lookup.c (lookup_extern_c_fun_in_all_ns): Delete.
3828	(extern_c_fns): New hash table.
3829	(check_extern_c_conflict): New, broken out of ...
3830	(pushdecl_maybe_friend_1): ... here.  Call it.
3831	(c_linkage_bindings): Just look in hash table.
3832
38332017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
3834
3835	PR c++/80654
3836	PR c++/80682
3837	Implement new C++ intrinsics __is_assignable and __is_constructible.
3838	* cp-tree.h (CPTK_IS_ASSIGNABLE, CPTK_IS_CONSTRUCTIBLE): New.
3839	(is_xible): New.
3840	* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
3841	CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
3842	* method.c (constructible_expr): Set cp_unevaluated.
3843	(is_xible_helper): New.
3844	(is_trivially_xible): Adjust.
3845	(is_xible): New.
3846	* parser.c (cp_parser_primary_expression): Handle
3847	RID_IS_ASSIGNABLE and RID_IS_CONSTRUCTIBLE.
3848	(cp_parser_trait_expr): Likewise.
3849	* semantics.c (trait_expr_value): Handle
3850	CPTK_IS_ASSIGNABLE and CPTK_IS_CONSTRUCTIBLE.
3851
38522017-05-17  Nathan Sidwell  <nathan@acm.org>
3853
3854	* cp-tree.h (ovl_iterator::using_p): New predicate.
3855	(ovl_iterator::remove_node): New worker.
3856	(ovl_insert): Declare.
3857	* tree.c (ovl_insert): New.
3858	(ovl_iterator::remove_node): New.
3859	* class.c (add_method): Use ovl_iterator, ovl_insert.
3860	(clone_function_decl): Fix description.
3861	(clone_constructors_and_destructors): Use ovl_iterator.
3862
3863	* class.c (handle_using_decl): Use OVL_FIRST, ovl_iterator.
3864	(maybe_warn_about_overly_private_class): Use ovl_iterator.
3865	(method_name_cmp, resort_method_name_cmp): Use OVL_NAME.
3866	(resort_type_method_vec, finish_struct_methods): Use OVL_FIRST.
3867	(get_base_fndecls): Use ovl_iterator.
3868	(warn_hidden): Use OVL_NAME, ovl_iterator.
3869	(add_implicitly_declared_members): Use ovl_iterator.
3870	* constraint.cc (normalize_template_id_expression): Use OVL_FIRST,
3871	flatten nested if.
3872	(finish_shorthand_constraint): Simplify, use ovl_make.
3873	* pt.c (make_constrained_auto): Simplify.  Use ovl_make.
3874	* search.c (shared_member_p): Use ovl_iterator.
3875	(lookup_field_fuzzy_info::fuzzy_lookup_fn): Use OVL_NAME.
3876	(lookup_conversion_operator): Use OVL_FIRST.
3877	(lookup_fnfiels_idx_nolazy): Use OVL_FIRST, OVL_NAME.
3878	(look_for_overrides_here): Use ovl_iterator.
3879	(lookup_conversions_r): Use OVL_FIRST, OVL_NAME, ovl_iterator.
3880	* typeck.c (build_x_unary_op): Use ovl_make.
3881
38822017-05-17  Martin Liska  <mliska@suse.cz>
3883
3884	* class.c (dump_class_hierarchy): Introduce dump_flags_t type and
3885	use it instead of int type.
3886	(dump_vtable): Likewise.
3887	(dump_vtt): Likewise.
3888	* decl2.c (dump_tu): Likewise.
3889
38902017-05-16  David Malcolm  <dmalcolm@redhat.com>
3891
3892	* call.c (enforce_access): Add access_failure_info * param and use
3893	it to record access failures.
3894	* cp-tree.h (class access_failure_info): New class.
3895	(enforce_access): Add access_failure_info * param, defaulting to
3896	NULL.
3897	(lookup_member): Likewise.
3898	(locate_field_accessor): New function decl.
3899	(perform_or_defer_access_check): Add access_failure_info * param,
3900	defaulting to NULL.
3901	* search.c (lookup_member): Add access_failure_info * param and
3902	pass it on to call to perform_or_defer_access_check.
3903	(matches_code_and_type_p): New function.
3904	(field_access_p): New function.
3905	(direct_accessor_p): New function.
3906	(reference_accessor_p): New function.
3907	(field_accessor_p): New function.
3908	(struct locate_field_data): New struct.
3909	(dfs_locate_field_accessor_pre): New function.
3910	(locate_field_accessor): New function.
3911	* semantics.c (perform_or_defer_access_check): Add
3912	access_failure_info * param, and pass it on to call to
3913	enforce_access.
3914	* typeck.c (access_failure_info::record_access_failure): New method.
3915	(access_failure_info::maybe_suggest_accessor): New method.
3916	(finish_class_member_access_expr): Pass an access_failure_info
3917	instance to the lookup_member call, and call its
3918	maybe_suggest_accessor method afterwards.
3919
39202017-05-16  Marek Polacek  <polacek@redhat.com>
3921
3922	PR sanitizer/80536
3923	PR sanitizer/80386
3924	* cp-gimplify.c (cp_fold): Handle SAVE_EXPR.
3925
39262017-05-16  Nathan Sidwell  <nathan@acm.org>
3927
3928	* name-lookup.c (check_local_shadow): New, broke out of ...
3929	(pushdecl_maybe_friend_1): ... here.  Call it.
3930
3931	* cp-tree.h (OVL_NESTED_P, OVL_LOOKUP_P): New.
3932	(ovl_first): Move inline definition to end of file.
3933	(ovl_make, lookup_add): Declare.
3934	(get_fns, get_first_fn): Make pure.
3935	* tree.c (ovl_cache): New.
3936	(ovl_make, lookup_add): New.
3937	* pt.c (do_class_deduction): Don't add candidates that will be
3938	elided.
3939
3940	* call.c (build_user_type_conversion_1): Use OVL_FIRST.
3941	(print_error_for_call_failure): Use OVL_NAME.
3942	(build_op_call_1): Use ovl_iterator.
3943	(add_candidates): Use OVL_FIRST & lkp_iterator.
3944	(build_op_delete_call): Use MAYBE_BASELINK_FUNCTIONS &
3945	lkp_iterator.
3946	* class.c (deduce_noexcept_on_destructors): Use ovl_iterator.
3947	(type_has_user_nondefault_constructor,
3948	in_class_defaulted_default_constructor,
3949	type_has_user_provided_constructor,
3950	type_has_user_provided_or_explicit_constructor,
3951	type_has_non_user_provided_default_constructor,
3952	vbase_has_user_provided_move_assign,
3953	type_has_move_constructor, type_has_move_assign,
3954	type_has_user_declared_move_constructor,
3955	type_has_user_declared_move_assign,
3956	type_build_ctor_call, type_build_dtor_call,
3957	type_requires_array_cookie, explain_non_literal_class): Likewise.
3958	(finish_struct): Use lkp_iterator.
3959	(resolve_address_of_overloaded_function): Use OVL_NAME, lkp_iterator.
3960	(note_name_declared_in_class): Use OVL_NAME.
3961	* cxx-pretty-print.c (pp_cxx_unqualified_id): Use OVL_FIRST.
3962	(pp_cxx_qualified_id, cxx_pretty_printer::id_expression,
3963	cxx_pretty_printer::expression): Likewise.
3964	* decl2.c (check_classfn): Use ovl_iterator.
3965	* pt.c (retrieve_specialization): Use ovl_iterator.
3966	* tree.c (cp_tree_equal): Use lkp_iterator.
3967	(type_has_nontrivial_copy_init): Use ovl_iterator.
3968
3969	* typeck2.c (cxx_incomplete_type_diagnostic): Revert change and
3970	check is_overloaded_fn.
3971
39722017-05-16  Martin Liska  <mliska@suse.cz>
3973
3974	* parser.c (cp_lexer_print_token): Add default value for flags
3975	argument of print_gimple_stmt, print_gimple_expr,
3976	print_generic_stmt and print_generic_expr.
3977
39782017-05-16  Nathan Sidwell  <nathan@acm.org>
3979
3980	* cp-tree.h (class ovl_iterator, class lkp_iterator): New OVERLOAD
3981	iterators.
3982	(MAYBE_BASELINK_FUNCTIONS): New.
3983	* constraint.cc	(resolve_constraint_check): Use lkp_iterator.
3984	* decl2.c (maybe_warn_sized_delete): Use ovl_iterator.
3985	* lambda.c (maybe_generic_this_capture): Use lkp_iterator.
3986	* method.c (inherited_ctor_binfo): Use ovl_iterator.
3987	(binfo_inherited_from): Likewise.
3988	* parser.c (lookup_literal_operator): Use lkp_iterator.
3989	* pt.c (iterative_hash_template_arg): Use lkp_iterator.
3990	(print_candidates_1): Likewise.
3991	(determine_specialization): Likewise.
3992	(resolve_overloaded_unification): Likewise.
3993	(resolve_nondeduced_context): Likewise.
3994	(type_dependent_expression_p): Likewise.
3995	(dependent_template_p): Likewise.
3996	* ptree.c (cxx_print_xnode): Likewise.
3997	* semantics.c (omp_reduction_lookup): Use lkp_iterator.
3998	(classtype_has_nothrow_assign_or_copy_p): Use ovl_iterator.
3999	* typeck.c (check_template_keyword): Use lkp_iterator.
4000
4001	* cp-tree.h (OVL_FIRST, OVL_NAME): New.
4002	(ovl_first): New.
4003	* constexpr.c (function_concept_check): Use OVL_FIRST.
4004	* cvt.c (build_expr_type_conversion): Likewise.
4005	* decl.c (poplevel, grokdeclarator): Use OVL_NAME.
4006	* decl2.c (mark_used): Use OVL_FIRST.
4007	* error.c (dump_decl): Use OVL_FIRST, OVL_NAME.
4008	(dump_expr, location_of): Use OVL_FIRST.
4009	* friend.c (do_friend): Use OVL_NAME.
4010	* init.c (build_offset_ref): Use OVL_FIRST.
4011	* mangle.c (write_member_name): Likewise.
4012	(write_expression): Use OVL_NAME.
4013	* method.c (strip_inheriting_ctors): Use OVL_FIRST.
4014	* name-lookup.c (pushdecl_class_level): Use OVL_NAME.
4015	* pt.c (check_explicit_specialization): Use OVL_FIRST.
4016	(check_template_shadow): Likewise.
4017	(tsubst_template_args): Use OVL_NAME.
4018	(tsubst_baselink): Use OVL_FIRST.
4019	* semantics.c (perform_koenig_lookup): Use OVL_NAME.
4020	* tree.c (get_first_fn): Use OVL_FIRST.
4021	* typeck.c (finish_class_member_access_expr): Use OVL_NAME.
4022	(cp_build_addr_expr_1): Use OVL_FIRST.
4023
4024	* pt.c (tsubst_copy_and_build): Remove unnecessary COMPONENT_REF
4025	peeking.
4026	* semantics.c (finish_id_expression): Directly init local var.
4027	(finish_omp_reduction_clause): Use really_overloaded_fn.
4028	* tree.c (get_fns): Document.  Assert we got an overload.
4029	(get_first_fn) Document.
4030	* typeck.c (cp_build_addr_expr_1): Pass arg directly to
4031	really_overloaded_fn.
4032	* typeck2.c (cxx_incomplete_type_diagnostic): Use get_first_fn directly.
4033
4034	* cp-tree.h (SCOPE_DEPTH): New.
4035	* name-lookup.h (is_nested_namespace): Declare.
4036	* name-lookup.c (is_nested_namespace): New.
4037	(is_ancestor): Use it.
4038	(set_decl_namespace): Likewise.
4039	(push_namespace): Set SCOPE_DEPTH.
4040	* pt.c (check_specialization_namespace): Use is_nested_namespace.
4041	(check_unqualigied_spec_or_inst): Likewise.
4042
40432017-05-15  Nathan Sidwell  <nathan@acm.org>
4044
4045	PR c++/79369
4046	* cp-tree.h (DECL_NAMESPACE_INLINE_P): New.
4047	* name-lookup.h (push_namespace): Return int, add make_inline arg.
4048	* name-lookup.c (push_namespace): Deal with inline directly.
4049	Return pushed count.
4050	* parser.c (cp_parser_namespace_definition): Adjust for
4051	push_namespace change.
4052
40532017-05-11  Nathan Sidwell  <nathan@acm.org>
4054
4055	* cp-lang.c (get_global_decls, cxx_pushdecl, LANG_HOOK_GETDECLS,
4056	LANG_HOOKS_PUSHDECL): Move to ...
4057	* cp-objcp-common.c (cp_get_global_decls, cp_pushdec,
4058	LANG_HOOK_DECLS, LANG_HOOKS_PUSHDECL): ... here.
4059	* cp-objcp-common.h (cp_get_global_decls, cp_pushdecl): Declare.
4060
4061	* name-lookup.h (pushdecl): Add default friend parm.
4062	(pushdecl_maybe_friend): Delete.
4063	(pushdecl_top_level): Add default friend parm.
4064	(pushdecl_top_level_maybe_friend): Delete.
4065	* name-lookup.c (pushdecl_maybe_friend): Delete.
4066	(pushdecl): Add is_friend parm.
4067	(pushdecl_top_level): Add is friend_parm.
4068	(pushdecl_top_level_maybe_friend, pushdecl_top_level_1): Delete.
4069	(pushdecl_top_level_and_finish): Do pushing and finishing directly.
4070	* friend.c (do_friend): Adjust.
4071	* pt.c (tsubst_friend_class): Adjust.
4072
4073	Revert pushdecl_top_level_and_finish name change.
4074	* name-lookup.h (pushdecl_top_level_and_finish): Resurrect old name.
4075	* name-lookup.c (pushdecl_top_level_and_finish): Likewise.
4076	* decl.c (cp_make_fname_decl): Adjust.
4077	* decl2.c (get_guard, handle_tls_init):  Adjust.
4078	* rtti.c (get_tinfo_decl, tinfo_base_init):  Adjust.
4079
4080	* name-lookup.c (pushdecl_outermost_localscope): Always
4081	conditionally stop timer.
4082
4083	* decl.c (xref_tag_1): Don't frob ts_lambda scope here.
4084	* name-lookup.c (pushtag_1): Deal with ts_lambda scope.
4085
4086	* cp-tree.h (pushdecl, pushdecl_maybe_friend, pushtag,
4087	pushtag_top_level_maybe_friend,
4088	pushdecl_top_level_and_finish):	Move declarations to ...
4089	* name-lookup.h: ... here.  Group pushdecl variants.
4090	(pushdecl_top_level_and_finish): Rename to ...
4091	(pushdecl_top_level_with_init): ... here.
4092	* decl.c (cp_make_fname_decl): Use pushdecl_top_level_with_init.
4093	* decl2.c (get_guard, handle_tls_init): Likewise.
4094	* rtti.c (get_tinfo_decl, tinfo_base_init): Likewise.
4095	* lambda.c (maybe_add_lambda_conv_op): Use namespace_bindings_p.
4096	* method.c (implicitly_declare_fn): Likewise.
4097	* searchc (node_debug_info_needed): Likewise.
4098	* name-lookup.c (pushdecl_top_level_and_finish): Rename to ...
4099	(pushdecl_top_level_with_init): ... here.
4100	(pop_everything): Use namespace_bindings_p.
4101
4102	* name-lookup.h (pop_binding): Rename to pop_local_binding.
4103	(getdecls): Rename to get_local_decls.
4104	* name-lookup.c (pop_binding): Rename to ...
4105	(pop_local_binding): ... here.
4106	(pop_bindings_and_leave_scope): Adjust.
4107	(getdecls): Rename to ...
4108	(get_local_decls): ... here.  Assert local scope.
4109	* decl.c (poplevel): Assert not namespace.  Adjust and simplify
4110	logic.
4111	(store_parm_decls): Adjust get_local_decls call.
4112	(parser.c (synthesize_implicit_template_parm): Likewise.
4113
41142017-05-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
4115
4116	PR c++/80682
4117	* method.c (is_trivially_xible): Reject void types.
4118
41192017-05-10  Nathan Sidwell  <nathan@acm.org>
4120
4121	* class.c (handle_using_decl): Always use OVL_CURRENT.
4122	(resolve_address_of_overloaded_function): Move iterator decl into
4123	for scope.  Don't strip anticipated decls here.
4124
4125	* pt.c (print_candidates_1): Separate TREE_LIST and OVERLOAD
4126	printing.
4127	(print_candidates): Adjust.
4128
4129	* cp-tree.h (build_new_function_call): Lose koenig_p arg.  Fix
4130	line breaking.
4131	* call.c (build_new_function_call): Lose koenig_p arg.  Remove
4132	koenig_p handling here.
4133	* pt.c (push_template_decl_real): Unconditionally retrofit_lang_decl.
4134	(tsubst_omp_clauses): Likewise.
4135	(do_class_deduction): Adjust buld_new_function_call calls.
4136	* semantics.c (finish_call_expr): Likewise.
4137
41382017-05-10  Jason Merrill  <jason@redhat.com>
4139
4140	* pt.c (unify_parameter_deduction_failure, unify_cv_qual_mismatch)
4141	(unify_type_mismatch, unify_parameter_pack_mismatch)
4142	(unify_ptrmem_cst_mismatch, unify_expression_unequal)
4143	(unify_parameter_pack_inconsistent, unify_inconsistency)
4144	(unify_vla_arg, unify_method_type_error, unify_arity)
4145	(unify_arg_conversion, unify_no_common_base)
4146	(unify_inconsistent_template_template_parameters)
4147	(unify_template_deduction_failure)
4148	(unify_template_argument_mismatch)
4149	(unify_overload_resolution_failure): Call unify_invalid.
4150
4151	CWG 1847 - Clarifying compatibility during partial ordering
4152	* pt.c (more_specialized_fn): No order between two non-deducible
4153	parameters.
4154
4155	* pt.c (dependent_type_p): Make sure we aren't called with
4156	global_type_node.
4157
4158	PR c++/79549 - C++17 ICE with non-type auto template parameter pack
4159	* pt.c (convert_template_argument): Just return an argument pack.
4160	(coerce_template_parameter_pack, template_parm_to_arg)
4161	(extract_fnparm_pack, make_argument_pack, tsubst_template_args)
4162	(tsubst_decl, tsubst, type_unification_real, unify_pack_expansion):
4163	Don't set the type of a NONTYPE_ARGUMENT_PACK.
4164	* parser.c (make_char_string_pack, make_string_pack): Likewise.
4165
41662017-05-10  Nathan Sidwell  <nathan@acm.org>
4167
4168	* cp-tree.h (add_method, clone_function_decl): Change last arg to
4169	bool.
4170	* class.c (add_method): Change third arg to bool.  Adjust.
4171	(one_inheriting_sig, one_inherited_ctor): Adjust.
4172	(clone_function_decl): Change 2nd arg to bool.  Adjust.
4173	(clone_constructors_and_destructors): Adjust.
4174	* lambda.c (maybe_add_lambda_conv_op): Adjust.
4175	* method.c (lazily_declare_fn): Adjust.
4176	* pt.c (tsubst_decl, instantiate_template_1): Adjust.
4177	* semantics.c (finish_member_declaration): Adjust.
4178
41792017-05-10  Paolo Carlini  <paolo.carlini@oracle.com>
4180
4181	PR c++/80145
4182	* decl.c (finish_function): To improve error recovery, change the
4183	logic for calling apply_deduced_return_type.
4184
41852017-05-09  Jason Merrill  <jason@redhat.com>
4186
4187	PR c++/80605 - __is_standard_layout and empty base
4188	* class.c (check_bases): Ignore empty bases.
4189
4190	PR c++/70979 - literal class and closure types
4191	* class.c (finalize_literal_type_property): Handle closures
4192	specifically.
4193	(explain_non_literal_class): Likewise.
4194
4195	PR c++/66297, DR 1684 - literal class and constexpr member fns
4196	* constexpr.c (is_valid_constexpr_fn): Only complain about
4197	non-literal enclosing class in C++11.
4198	* class.c (finalize_literal_type_property): Likewise.
4199
42002017-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
4201
4202	PR c++/80186
4203	* pt.c (tsubst_decl): Early return error_mark_node if
4204	grok_ctor_properties returns false.
4205
42062017-05-09  Jason Merrill  <jason@redhat.com>
4207
4208	PR c++/70167 - array prvalue treated as lvalue
4209	* cp-tree.h (CONSTRUCTOR_C99_COMPOUND_LITERAL): New.
4210	(enum fcl_t): New.
4211	* semantics.c (finish_compound_literal): Add fcl_context parameter.
4212	Only make a static variable for C99 syntax.
4213	* parser.c (cp_parser_postfix_expression): Pass it.
4214	* pt.c (tsubst_copy_and_build): Likewise.
4215	* call.c (extend_ref_init_temps): Set
4216	DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
4217
42182017-05-09  Nathan Sidwell  <nathan@acm.org>
4219
4220	* cp-lang.c (get_global_decls, cxx_pushdecl): New.
4221	(LANG_HOOKS_GETDECLS, LANG_HOOKS_PUSHDECL): Override.
4222	* name-lookup.h (pushdecl_top_level): Declare.
4223
42242017-05-08  Jason Merrill  <jason@redhat.com>
4225
4226	PR c++/80178 - parameter passing for uncopyable classes
4227	* tree.c (type_has_nontrivial_copy_init): True for classes with only
4228	deleted copy/move ctors.
4229	(remember_deleted_copy, maybe_warn_parm_abi): New.
4230	* decl.c (require_complete_types_for_parms, check_function_type):
4231	Call maybe_warn_parm_abi.
4232	* call.c (convert_for_arg_passing, build_cxx_call): Likewise.
4233
42342017-05-08  Nathan Sidwell  <nathan@acm.org>
4235
4236	* decl.c (builtin_function_1): Set DECL_ANTICIPATED before pushing.
4237	(start_preparsed_function): Do decl pushing before setting
4238	current_funciton_decl and announcing it.
4239
4240	* name-lookup.h (pushdecl_with_scope): Replace with ...
4241	(pushdecl_outermost_localscope): ... this.
4242	* name-lookup.c (pushdecl_with_scope): Replace with ...
4243	(pushdecl_outermost_localscope): ... this.
4244	(pushdecl_namespace_level): Adjust.
4245	* decl.c (cp_make_fname_decl): Use pushdecl_outermost_localscope.
4246	* lambda.c (insert_capture_proxy): Likewise.
4247
4248	* class.c (build_vtbl_initializer): Don't shadow outer variable
4249	with static var.
4250
4251	Revert _binding -> _value change.
4252	* name-lookup.h (get_namespace_value, set_global_value): Rename to ...
4253	(get_namespace_binding, set_global_binding): ... these.
4254	* name-lookup.c (get_namespace_value, set_global_value): Rename to ...
4255	(get_namespace_binding, set_global_binding): ... these.
4256	(arg_assoc_namespace, pushdecl_maybe_friend_1,
4257	check_for_out_of_scope_variable, push_overloaded_decl_1,
4258	lookup_name_innermost_nonclass_level, push_namespace): Adjust.
4259	* cp-tree.h (IDENTIFIER_GLOBAL_VALUE,
4260	SET_IDENTIFIER_GLOBAL_VALUE): Adjust.
4261	* decl.c (poplevel): Adjust.
4262	* pt.c (make_constrained_auto): Likewise.
4263
42642017-05-07  Volker Reichelt  <v.reichelt@netcologne.de>
4265
4266	PR translation/80280
4267	* call.c (print_z_candidate): Fix quoting.
4268
42692017-05-05  David Malcolm  <dmalcolm@redhat.com>
4270
4271	* error.c (pedwarn_cxx98): Replace report_diagnostic
4272	with diagnostic_report_diagnostic.
4273
42742017-05-05  Nathan Sidwell  <nathan@acm.org>
4275
4276	* cp-tree.h (IDENTIFIER_GLOBAL_VALUE): Use get_namespace_value.
4277	(SET_IDENTIFIER_GLOBAL_VALUE): Use set_global_value.
4278	(IDENTIFIER_NAMESPACE_VALUE): Delete.
4279	* name-lookup.h (namespace_binding, set_namespace_binding): Replace
4280	with ...
4281	(get_namespace_value, set_global_value): ... these.
4282	(get_global_value_if_present, is_typename_at_global_scope): Delete.
4283	* decl.c (poplevel): Use get_namespace_value.
4284	(grokdeclarator): Use IDENTIFIER_GLOBAL_VALUE.
4285	* class.c (build_vtbl_initializer): Stash library decl in
4286	static var. Use IDENTIFIER_GLOBAL_VALUE.
4287	* except.c (do_get_exception_ptr, do_begin_catch, do_end_catch,
4288	do_allocate_exception, do_free_exception, build_throw): Likewise.
4289	* init.c (throw_bad_array_new_length): Likewise.
4290	* rtti.c (throw_bad_cast, throw_bad_typeid): Likewise.
4291	* name-lookup.c (arg_assoc_namespace, pushdecl_maybe_friend_1,
4292	check_for_our_of_scope_variable, push_overloaded_decl_1): Use
4293	get_namespace_value.
4294	(set_namespace_binding_1): Rename to
4295	(set_namespace_binding): ... here.
4296	(set_global_value): New.
4297	(lookup_name_innermost_nonclass_level_1, push_namespace): Use
4298	get_namespace_value.
4299	* pt.c (listify): Use get_namespace_value.
4300
4301	* call.c (make_temporary_var_for_ref_to_temp): Push decl into
4302	current scope.
4303	* lex.c (unqualified_name_lookup_error): Likewise.
4304
4305	* class.c (alter_class): Use retrofit_lang_decl directly.
4306	* decl.c (push_local_name, dupliate_decls): Likewise.
4307	* semantics.c (omp_privatize_field): Likewise.
4308
4309	Kill walk_namespaces.
4310	* cp-tree.h (walk_namespaces_fn, walk_namespaces): Delete.
4311	* decl.c (walk_namespaces_r, walk_namespaces): Delete.
4312
4313	Kill per-namespace static_decls.
4314	* cp-tree.h (static_decls): Declare.
4315	(wrapup_globals_for_namespace,
4316	diagnose_inline_vars_for_namespace): Replace with ...
4317	(wrapup_namespace_globals): ... this.
4318	* decl.c (static_decls): Define.
4319	(wrapup_globals_for_namespace,
4320	diagnose_inline_vars_for_namespace): Replace with ...
4321	(wrapup_namespace_globals): ... this.
4322	(cxx_init_decl_processing): Initialize static_decls.
4323	* decl2.c (c_parse_final_cleanups): Adjust.
4324	* name-lookup.h (cp_binding_level): Remove static_decls member.
4325	* name-lookup.c (add_decl_to_level): Adjust.
4326	(begin_scope): Adjust.
4327
43282017-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
4329
4330	PR c++/71577
4331	* decl.c (reshape_init): Unconditionally return error_mark_node
4332	upon error about too many initializers.
4333
43342017-05-04  Nathan Sidwell  <nathan@acm.org>
4335
4336	* constraint.cc (diagnose_check_constraint): Fix %E thinko.
4337
43382017-05-04  Martin Sebor  <msebor@redhat.com>
4339
4340	PR translation/80280
4341	* call.c (print_z_candidate): Add missing quoting to %D and other
4342	like directives.
4343	(build_op_call_1): Same.
4344	* constraint.cc (diagnose_check_constraint): Same.
4345	* mangle.c (mangle_decl): Same.
4346	* name-lookup.c (cp_binding_level_debug): Same.
4347	(set_decl_namespace): Same.
4348	* parser.c (cp_parser_tx_qualifier_opt): Same.
4349	* pt.c (print_candidates_1): Same.
4350	(check_template_variable): Same.
4351	(tsubst_default_argument): Same.
4352	(most_specialized_partial_spec): Same.
4353	* semantics.c (omp_reduction_lookup): Same.
4354	* tree.c (check_abi_tag_redeclaration): Same.
4355	* typeck.c (comptypes): Same.
4356	* typeck2.c (abstract_virtuals_error_sfinae): Same.
4357
43582017-05-04  Nathan Sidwell  <nathan@acm.org>
4359
4360	More global trees.
4361	* cp-tree.h (enum cp_tree_index): Add CPTI_GLOBAL,
4362	CPTI_GLOBAL_TYPE, CPTI_GLOBAL_IDENTIFIER, CPTI_ANON_IDENTIFIER,
4363	CPTI_INIT_LIST_IDENTIFIER.
4364	(global_namespace, global_type_node, global_identifier,
4365	anon_identifier, init_list_identifier): New.
4366	* decl.c (global_type_node, global_scope_name): Delete.
4367	(initialize_predefined_identifiers): Add new identifiers.
4368	(cxx_init_decl_processing): Adjust.
4369	* name-lookup.h (global_namespace, global_type_node): Delete.
4370	* name-lookup.c (global_namespace, anonymous_namespace_name,
4371	get_anonymous_namespace_name): Delete.
4372	(namespace_scope_ht_size, begin_scope, pushtag_1,
4373	push_namespace): Adjust,
4374	* call.c (type_has_extended_temps): Use init_list_identifier.
4375	* pt.c (listify): Likewise.
4376
4377	* name-lookup.c: Reorder functions to make merging from modules
4378	branch simpler.
4379
43802017-05-03  Jason Merrill  <jason@redhat.com>
4381
4382	* constexpr.c (cxx_eval_outermost_constant_expr): Use TV_CONSTEXPR.
4383
43842017-05-03  Nathan Sidwell  <nathan@acm.org>
4385
4386	* cp-tree.h (enum cp_tree_index, cp_global_trees): Move earlier,
4387	along with #defines, to before name-lookup include.
4388
43892017-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
4390
4391	* pt.c (is_auto_or_concept): Remove.
4392	(type_uses_auto_or_concept): Remove, unused.
4393	(find_parameter_packs_r, extract_autos_r, is_auto_r): Adjust.
4394	* parser.c (tree_type_is_auto_or_concept): Remove, unused.
4395	* cp-tree.h (is_auto_or_concept): Remove.
4396
43972017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
4398
4399        PR c++/80038
4400	* cp-cilkplus.c (cilk_install_body_with_frame_cleanup): Don't
4401	add pedigree operation and detach call here.
4402	* cp-gimplify.c (cp_gimplify_expr): Remove the calls to
4403	cilk_cp_gimplify_call_params_in_spawned_fn.
4404	(cilk_cp_gimplify_call_params_in_spawned_fn): Remove function.
4405	* semantics.c (simplify_aggr_init_expr): Copy EXPR_CILK_SPAWN.
4406
44072017-04-29  Volker Reichelt  <v.reichelt@netcologne.de>
4408
4409	* parser.c (cp_parser_member_declaration): Add fix-it hints for
4410	stray comma and missing semicolon at end of member declaration.
4411
44122017-04-27  Volker Reichelt  <v.reichelt@netcologne.de>
4413
4414	* parser.c (cp_parser_cast_expression): Add target type of cast to
4415	diagnostic.
4416	* error.c (type_to_string): Add '{enum}' suffix to enumeration types.
4417
44182017-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
4419
4420	* decl.c (grok_ctor_properties, ambi_op_p, unary_op_p): Change
4421	return type to bool.
4422	* cp-tree.h (grok_ctor_properties): Update.
4423
44242017-04-26  Volker Reichelt  <v.reichelt@netcologne.de>
4425
4426	* parser.c (cp_parser_nested_name_specifier_opt): Add fix-it
4427	information to diagnostic of invalid colon in nested-name-specifier.
4428
44292017-04-25  Volker Reichelt  <v.reichelt@netcologne.de>
4430
4431	* parser.c (cp_parser_elaborated_type_specifier): Add fix-it to
4432	diagnostic of invalid class/struct keyword after enum.
4433
44342017-04-25  David Malcolm  <dmalcolm@redhat.com>
4435
4436	* parser.c (cp_parser_member_declaration): Add fix-it hint
4437	for removing stray semicolons.
4438
44392017-04-25  David Malcolm  <dmalcolm@redhat.com>
4440
4441	* name-lookup.c (get_std_name_hint): New function.
4442	(maybe_suggest_missing_header): New function.
4443	(suggest_alternative_in_explicit_scope): Call
4444	maybe_suggest_missing_header.
4445
44462017-04-25  David Malcolm  <dmalcolm@redhat.com>
4447
4448	PR c++/80177
4449	* name-lookup.c (suggest_alternative_in_explicit_scope): Convert
4450	candidate type of bm from tree to const char *.
4451	(consider_binding_level): Likewise.
4452	(lookup_name_fuzzy): Likewise, using this to merge the best
4453	result from the preprocessor into bm, rather than immediately
4454	returning, so that better matches from reserved words can "win".
4455	Guard the rejection of keywords that don't start decl-specifiers
4456	so it only happens for FUZZY_LOOKUP_TYPENAME.
4457
44582017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
4459
4460	* decl.c (grokdeclarator): Use %qT instead of %<%T%> in diagnostics.
4461	(start_enum): Likewise.
4462	(build_enumerator): Likewise. Use %qE instead of plain %E.
4463	* parser.c (cp_parser_mem_initializer_list): Use %qD instead of
4464	%<%D%> in diagnostics.
4465	(cp_parser_elaborated_type_specifier): Likewise.
4466	* pt.c (make_pack_expansion): Use %qT and %qE instead of
4467	%<%T%> and %<%E%> in diagnostics.
4468	(tsubst_pack_expansion): Likewise.
4469
44702017-04-24  David Malcolm  <dmalcolm@redhat.com>
4471
4472	PR c++/80016
4473	* parser.c (cp_parser_unary_expression):  Generate a location
4474	range for alignof and sizeof expressions.
4475
44762017-04-24  Volker Reichelt  <v.reichelt@netcologne.de>
4477
4478	* parser.c (cp_parser_cv_qualifier_seq_opt): Add fix-it info to
4479	error message.
4480	(cp_parser_virt_specifier_seq_opt): Likewise.
4481	(set_and_check_decl_spec_loc): Likewise twice.
4482
44832017-04-21  Jason Merrill  <jason@redhat.com>
4484
4485	PR c++/80179 - ICE with initialized flexible array member.
4486	* constexpr.c (verify_ctor_sanity): Handle flexible array members.
4487
44882017-04-21  Richard Biener  <rguenther@suse.de>
4489
4490	* cp-tree.h (copy_decl): Annotate with CXX_MEM_STAT_INFO.
4491	(copy_type): Likewise.
4492	* lex.c (copy_decl): Pass down mem-stat info.
4493	(copy_type): Likewise.
4494
44952017-04-20  Jonathan Wakely  <jwakely@redhat.com>
4496
4497	PR c++/80473
4498	* init.c (build_new_1): Suppress notes about over-aligned new when
4499	the warning is suppressed.
4500
45012017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
4502
4503	* parser.c (cp_parser_member_declaration): Add warning with fixit
4504	information for extra semicolon after in-class function definition.
4505
45062017-04-20  Jakub Jelinek  <jakub@redhat.com>
4507
4508	PR middle-end/80423
4509	* tree.c (build_cplus_array_type): Call build_array_type
4510	with the intended TYPE_TYPELESS_STORAGE flag value, instead
4511	of calling build_array_type and modifying later TYPE_TYPELESS_STORAGE
4512	on the shared type.
4513
45142017-04-18  Marek Polacek  <polacek@redhat.com>
4515
4516	PR c++/80244 - ICE with attribute in template alias.
4517	* tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
4518
4519	PR c++/80241 - ICE with alignas pack expansion.
4520	* error.c (dump_expr): Handle TREE_LIST.
4521	* parser.c (cp_parser_std_attribute_list): Return error_mark if
4522	make_pack_expansion returns an error.
4523
45242017-04-17  Bernd Edlinger  <bernd.edlinger@hotmail.de>
4525
4526	PR c++/80287
4527	* class.c (fixup_may_alias): Fix all type variants.
4528
45292017-04-17  Jason Merrill  <jason@redhat.com>
4530
4531	PR c++/80415 - wrong error with default arg and array reference.
4532	* tree.c (lvalue_kind): Return clk_class for an array prvalue.
4533
4534	* pt.c (tsubst_init): Set TARGET_EXPR_DIRECT_INIT_P.
4535
45362017-04-15  Alexandre Oliva <aoliva@redhat.com>
4537
4538	* decl.c (name_unnamed_type): Split out of...
4539	(grokdeclarator): ... this.
4540	* decl.h (name_unnamed_type): Declare.
4541
45422017-04-12  Richard Biener  <rguenther@suse.de>
4543	Bernd Edlinger  <bernd.edlinger@hotmail.de>
4544
4545	PR middle-end/79671
4546	* tree.c (build_cplus_array_type): Set TYPE_TYPELESS_STORAGE
4547	for arrays of character or std::byte type.
4548
45492017-04-11  Jason Merrill  <jason@redhat.com>
4550
4551	PR c++/80294 - ICE with constexpr and inheritance.
4552	* constexpr.c (reduced_constant_expression_p):
4553	A null constructor element is non-constant.
4554	(cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
4555	returning an empty base.
4556
45572017-04-11  Jakub Jelinek  <jakub@redhat.com>
4558
4559	PR c++/80370
4560	* decl.c (cp_finish_decomp): If processing_template_decl on
4561	non-dependent decl, only set TREE_TYPE on the v[i] decls, but don't
4562	change their DECL_VALUE_EXPR nor cp_finish_decl them.  Instead make
4563	sure DECL_VALUE_EXPR is the canonical NULL type ARRAY_REF for tsubst
4564	processing.
4565	* pt.c (value_dependent_expression_p) <case VAR_DECL>: For variables
4566	with DECL_VALUE_EXPR, return true if DECL_VALUE_EXPR is type
4567	dependent.
4568
45692017-04-11  Jakub Jelinek  <jakub@redhat.com>
4570
4571	PR c++/80363
4572	* error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
4573
45742017-04-10  Jakub Jelinek  <jakub@redhat.com>
4575
4576	PR c++/80176
4577	* tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
4578	operand, if it is a static member function, recurse on the
4579	BASELINK.
4580
45812017-04-10  Marek Polacek  <polacek@redhat.com>
4582
4583	PR sanitizer/80348
4584	* typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL.  Set
4585	ORIG_TYPE earlier and not only when shortening.
4586
45872017-04-07  Jason Merrill  <jason@redhat.com>
4588
4589	PR c++/80356 - ICE with reference to function template argument.
4590	PR c++/79294
4591	* pt.c (convert_nontype_argument_function): Adjust type even with a
4592	value-dependent argument.
4593
4594	PR c++/80267 - ICE with nested capture of reference
4595	PR c++/60992
4596	* pt.c (tsubst_copy): Handle lookup finding a capture proxy.
4597
45982017-04-07  Marek Polacek  <polacek@redhat.com>
4599
4600	PR sanitizer/80348
4601	* typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
4602
4603	PR c++/80095
4604	* call.c (build_over_call): Don't check cxx_dialect.
4605	* cp-gimplify.c (cp_gimplify_init_expr): Don't check cxx_dialect nor
4606	whether SUB is a CONSTRUCTOR.
4607	* init.c (build_new_1): Don't check cxx_dialect.
4608	* tree.c (replace_placeholders): Add a function comment.  Return if
4609	not in C++14, or if the object isn't a (member of a) class.
4610	* typeck2.c (store_init_value): Don't check cxx_dialect nor whether
4611	TYPE is CLASS_TYPE_P.
4612
46132017-04-05  Jakub Jelinek  <jakub@redhat.com>
4614
4615	PR c++/80309
4616	* pt.c (canonical_type_parameter): Use vec_safe_grow_cleared instead
4617	of a loop doing vec_safe_push of NULL.  Formatting fixes.
4618	(rewrite_template_parm): Copy TEMPLATE_PARM_PARAMETER_PACK from oldidx
4619	to newidx before calling canonical_type_parameter on newtype.
4620
46212017-04-04  Volker Reichelt  <v.reichelt@netcologne.de>
4622
4623	PR c++/80296
4624	* cxx-pretty-print.c (cxx_pretty_printer::expression): Add
4625	UNARY_PLUS_EXPR case.
4626
46272017-04-03  Jason Merrill  <jason@redhat.com>
4628
4629	* semantics.c (finish_template_type): Check CLASSTYPE_TEMPLATE_INFO.
4630
46312017-04-03  Jonathan Wakely  <jwakely@redhat.com>
4632
4633	* class.c (update_vtable_entry_for_fn): Fix typo in comment.
4634	* decl2.c (one_static_initialization_or_destruction): Likewise.
4635	* name-lookup.c (store_bindings): Likewise.
4636	* parser.c (make_call_declarator): Likewise.
4637	* pt.c (check_explicit_specialization): Likewise.
4638
46392017-04-03  Jason Merrill  <jason@redhat.com>
4640
4641	PR sanitizer/79993 - ICE with VLA initialization from string
4642	PR c++/69487 - wrong VLA initialization from string
4643	* init.c (finish_length_check): Split out from build_vec_init.
4644	(build_vec_init): Handle STRING_CST.
4645	* typeck2.c (split_nonconstant_init): Handle STRING_CST.
4646	(digest_init_r): Don't give a STRING_CST VLA type.
4647
46482017-03-31  Jakub Jelinek  <jakub@redhat.com>
4649
4650	PR c++/79572
4651	* cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
4652	REFERENCE_TYPE.  Adjust ubsan_maybe_instrument_reference caller
4653	for NOP_EXPR to REFERENCE_TYPE.
4654
4655	PR libstdc++/80251
4656	* cp-tree.h (enum cp_trait_kind): Add CPTK_IS_AGGREGATE.
4657	* cxx-pretty-print.c (pp_cxx_trait_expression): Handle
4658	CPTK_IS_AGGREGATE.
4659	* semantics.c (trait_expr_value): Handle CPTK_IS_AGGREGATE.
4660	Remove extraneous parens.
4661	(finish_trait_expr): Handle CPTK_IS_AGGREGATE.
4662	* parser.c (cp_parser_primary_expression): Handle RID_IS_AGGREGATE.
4663	(cp_parser_trait_expr): Likewise.
4664
46652017-03-27  Jakub Jelinek  <jakub@redhat.com>
4666
4667	PR middle-end/80162
4668	* cp-tree.h (cxx_mark_addressable): Add array_ref_p argument.
4669	* typeck.c (cxx_mark_addressable): Likewise.  Look through
4670	VIEW_CONVERT_EXPR unless array_ref_p and VCE is from VECTOR_TYPE
4671	to ARRAY_TYPE.
4672	(cp_build_array_ref): Pass true as array_ref_p to cxx_mark_addressable.
4673
46742017-03-24  Jason Merrill  <jason@redhat.com>
4675
4676	PR c++/77339 - ICE with invalid use of alias template.
4677	* pt.c (lookup_template_class_1): Don't try to enter the scope of an
4678	alias template.
4679
46802017-03-24  Marek Polacek  <polacek@redhat.com>
4681
4682	PR c++/80119
4683	* cp-gimplify.c (cp_fold): Strip CLEANUP_POINT_EXPR if the expression
4684	doesn't have side effects.
4685
46862017-03-23  Jason Merrill  <jason@redhat.com>
4687
4688	PR c++/80150 - ICE with overloaded variadic deduction.
4689	* pt.c (try_one_overload): Remove asserts.
4690
4691	PR c++/77563 - missing ambiguous conversion error.
4692	* call.c (convert_like_real): Use LOOKUP_IMPLICIT.
4693
46942017-03-23  Marek Polacek  <polacek@redhat.com>
4695
4696	* cp-tree.h: Remove a C_RID_YYCODE reference.
4697
46982017-03-22  Jakub Jelinek  <jakub@redhat.com>
4699
4700	PR c++/80141
4701	* semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
4702	case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
4703	processing_template_decl.
4704
47052017-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
4706
4707	PR c++/77752
4708	* name-lookup.c (pushtag_1): Add check for bogus, non template,
4709	std::initializer_list.
4710
47112017-03-21  Jakub Jelinek  <jakub@redhat.com>
4712
4713	PR c++/35878
4714	* init.c (std_placement_new_fn_p, build_new_1): Formatting fixes.
4715
47162017-03-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
4717
4718	PR c++/35878
4719	* init.c (std_placement_new_fn_p): New.
4720	(build_new_1): Call it.
4721
47222017-03-20  Jason Merrill  <jason@redhat.com>
4723
4724	PR c++/80096 - ICE with C++17 non-type auto.
4725	* pt.c (tsubst): Delay tsubst of type of template non-type
4726	parameter.
4727
4728	PR c++/79519 - ICE with deleted template friend.
4729	* decl.c (grokdeclarator): Complain about misplaced function
4730	definition using =, as well.
4731
4732	PR c++/79640 - infinite recursion with generic lambda.
4733	* pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
4734	before substituting its initializer.
4735
47362017-03-20  Marek Polacek  <polacek@redhat.com>
4737	    Paolo Carlini  <paolo.carlini@oracle.com>
4738
4739	PR c++/80059 - ICE with noexcept and __transaction_atomic
4740	* except.c (build_must_not_throw_expr): Call
4741	instantiate_non_dependent_expr.
4742
47432017-03-19  Jason Merrill  <jason@redhat.com>
4744
4745	PR c++/80084 - wrong C++17 decomposition by reference of parameter.
4746	* decl.c (cp_finish_decomp): Don't pull out the DECL_INITIAL of a
4747	reference decomposition.
4748
4749	PR c++/80077 - error with constexpr and -fno-elide-constructors.
4750	* constexpr.c (cxx_eval_call_expression): Set ctx->call while
4751	expanding trivial constructor.
4752
47532017-03-17  Jason Merrill  <jason@redhat.com>
4754
4755	PR c++/78345 - ICE initializing array from lambda.
4756	* init.c (build_aggr_init): Check array initializer.
4757	(build_vec_init): Check the type of a CONSTRUCTOR.
4758
4759	PR c++/80073 - C++17 ICE with virtual base.
4760	* decl.c (xref_basetypes): Also check for indirect vbases.
4761
47622017-03-16  Jason Merrill  <jason@redhat.com>
4763
4764	* decl.c (start_enum): std::byte aliases anything.
4765
4766	PR c++/79797
4767	* constexpr.c (lookup_placeholder): Tweak.
4768
47692017-03-15  Jason Merrill  <jason@redhat.com>
4770
4771	PR c++/80043 - ICE with -fpermissive
4772	* typeck.c (convert_for_assignment): Handle instantiate_type
4773	not giving an error.
4774
47752017-03-14  Nathan Sidwell  <nathan@acm.org>
4776
4777	PR c++/79393 DR 1658 workaround
4778	* method.c (synthesized_method_base_walk): Inihibit abstract class
4779	virtual base access check here.
4780	(synthesized_method_walk): Not here.
4781
47822017-03-13  Nathan Sidwell  <nathan@acm.org>
4783
4784	PR c++/79393 DR 1658 workaround
4785	* method.c (synthesized_method_walk): Check vbases of abstract
4786	classes for dtor walk.
4787
47882017-03-10  David Malcolm  <dmalcolm@redhat.com>
4789
4790	PR translation/79848
4791	* decl.c (grokfndecl): Simplify uses of "%<%s%>" to "%qs".
4792
47932017-03-10  Jason Merrill  <jason@redhat.com>
4794
4795	PR c++/79960 - alias templates and partial ordering
4796	* pt.c (comp_template_args): Add partial_order parm.
4797	(template_args_equal): Likewise.
4798	(comp_template_args_porder): New.
4799	(get_partial_spec_bindings): Use it.
4800
48012017-03-10  Marek Polacek  <polacek@redhat.com>
4802
4803	PR c++/79967
4804	* decl.c (grokdeclarator): Check ATTRLIST before dereferencing it.
4805
48062017-03-10  Jakub Jelinek  <jakub@redhat.com>
4807
4808	PR c++/79899
4809	* optimize.c (maybe_thunk_body): Don't ICE if fns[0] is NULL.
4810	Use XALLOCAVEC macro.
4811
4812	PR c++/79896
4813	* decl.c (finish_enum_value_list): If value is error_mark_node,
4814	don't copy it and change its type.
4815	* init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
4816	of CONST_DECL is error_mark_node.
4817
48182017-03-09  Marek Polacek  <polacek@redhat.com>
4819
4820	PR c++/79900 - ICE in strip_typedefs
4821	* tree.c (strip_typedefs): Skip the attribute handling if T is
4822	a variant type which hasn't been updated yet.
4823
4824	PR c++/79687 - wrong code with pointer-to-member
4825	* init.c (constant_value_1): Break if the variable has a dynamic
4826	initializer.
4827
48282017-03-08  Jason Merrill  <jason@redhat.com>
4829
4830	PR c++/79797 - ICE with self-reference in array DMI.
4831	* constexpr.c (lookup_placeholder): Split out...
4832	(cxx_eval_constant_expression): ...from here.
4833
48342017-03-07  Jakub Jelinek  <jakub@redhat.com>
4835
4836	PR c/79834
4837	* parser.c (cp_parser_omp_cancellation_point,
4838	cp_parser_omp_target_enter_data, cp_parser_omp_target_exit_data,
4839	cp_parser_omp_target_update): Change "may only be used in compound
4840	statements" diagnostics, such that the same translatable string is
4841	used for all pragmas.
4842	(cp_parser_pragma): Likewise.  Use error_at instead of
4843	cp_parser_error for that diagnostics.
4844
48452017-03-06  Marek Polacek  <polacek@redhat.com>
4846
4847	PR c++/79796 - ICE with NSDMI and this pointer
4848	* call.c (build_over_call): Handle NSDMI with a 'this' by calling
4849	replace_placeholders.
4850
48512017-03-06  Jakub Jelinek  <jakub@redhat.com>
4852
4853	PR c++/79822
4854	* constexpr.c (cxx_eval_statement_list): Treat empty ({ }) like
4855	({ (void) 0; }).
4856
48572017-03-06  Jason Merrill  <jason@redhat.com>
4858
4859	Revert "Allow deduction guides to look into primary template."
4860	* cp-tree.h, parser.c, pt.c, search.c: Revert.
4861
48622017-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
4863
4864	PR c++/70266
4865	* except.c (build_must_not_throw_expr): Perform the implicit
4866	conversions on the condition.
4867
48682017-03-03  Jason Merrill  <jason@redhat.com>
4869
4870	* mangle.c (mangle_decl): Check -Wnoexcept-type instead of
4871	-Wc++1z-compat.
4872
4873	Core issues 2273 and 2277
4874	* call.c (joust): Adjust using-declaration tiebreaker to handle
4875	the intermediate base case.
4876	* method.c (strip_inheriting_ctors): Just return the argument if
4877	!flag_new_inheriting_ctors.
4878
48792017-03-03  Richard Biener  <rguenther@suse.de>
4880
4881	PR c++/79825
4882	* cp-gimplify.c (simple_empty_class_p): Handle EMPTY_CLASS_EXPR.
4883
48842017-03-03  Marek Polacek  <polacek@redhat.com>
4885
4886	PR c++/79791
4887	* typeck.c (string_conv_p): In C++11, always call pedwarn with
4888	OPT_Wwrite_strings.
4889
48902017-03-02  Jason Merrill  <jason@redhat.com>
4891
4892	Update overload resolution with deduction guides.
4893	* pt.c (do_class_deduction): Always build the copy guide.
4894	(copy_guide_p, template_guide_p): New.
4895	(build_deduction_guide): Remember the original constructor.
4896	* call.c (joust): Prefer the copy guide and non-template guides.
4897
4898	Allow deduction guides to look into primary template.
4899	* cp-tree.h (struct saved_scope): Add deduction_guide_type.
4900	(struct cp_decl_specifier_seq): Add constructor_p.
4901	* parser.c (cp_parser_decl_specifier_seq): Set constructor_p.
4902	(cp_parser_init_declarator): Check it.  Set ctor_dtor_or_conv_p.
4903	Clear deduction_guide_type.  Don't handle deduction guide names.
4904	(cp_parser_declarator): Don't clear ctor_dtor_or_conv_p.
4905	(cp_parser_direct_declarator): Likewise.  Handle deduction guides.
4906	(cp_parser_member_declaration, cp_parser_cache_defarg)
4907	(cp_parser_objc_class_ivars): Set ctor_dtor_or_conv_p.
4908	* pt.c (tsubst_copy, tsubst_copy_and_build): Revert last change.
4909	(build_deduction_guide): Set deduction_guide_type.
4910	(dependent_scope_p): Check deduction_guide_type.
4911	* search.c (lookup_member): Likewise.
4912
49132017-03-02  Jakub Jelinek  <jakub@redhat.com>
4914
4915	PR c++/79782
4916	* init.c (mark_exp_read_r): New function.
4917	(emit_mem_initializers): Use cp_walk_tree with mark_exp_read_r on
4918	whole arguments instead of plain mark_exp_read on TREE_LIST values.
4919
49202017-03-01  Jason Merrill  <jason@redhat.com>
4921
4922	Class template argument deduction in new-expression
4923	* init.c (build_new): Handle deduction from no initializer.
4924	* parser.c (cp_parser_new_expression): Don't require a single
4925	expression for class template deduction.
4926	* typeck2.c (cxx_incomplete_type_diagnostic): Fix diagnostic for
4927	class template placeholder.
4928	* pt.c (tsubst_copy) [TEMPLATE_DECL]: Handle dependent context.
4929	(tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: Handle SCOPE_REF.
4930	(redeclare_class_template): Set TEMPLATE_TYPE_PARM_FOR_CLASS.
4931
49322017-03-01  Jakub Jelinek  <jakub@redhat.com>
4933
4934	PR c++/79746
4935	* init.c (emit_mem_initializers): When not constructing vbases of
4936	abstract classes, mark arguments as read for
4937	-Wunused-but-set-parameter.
4938
49392017-02-28  Jason Merrill  <jason@redhat.com>
4940
4941	Class template argument deduction refinements
4942	* call.c (joust): Move deduction guide tiebreaker down.
4943	* decl.c (start_decl_1, cp_finish_decl, grokdeclarator): Allow class
4944	deduction with no initializer.
4945	* pt.c (build_deduction_guide): Handle implicit default/copy ctor.
4946	(do_class_deduction): Use that rather than special case.
4947	(do_auto_deduction): Handle null initializer.
4948
49492017-02-28  Jakub Jelinek  <jakub@redhat.com>
4950
4951	* decl.c (find_decomp_class_base): Use cond ? G_("...") : G_("...")
4952	instead of just cond ? "..." : "...".
4953	(grokdeclarator): Likewise.
4954	(build_enumerator): Likewise.
4955	* init.c (build_new_1): Likewise.
4956	* call.c (build_new_method_call_1): Likewise.
4957	* parser.c: Include intl.h.
4958	(cp_parser_oacc_enter_exit_data): Use %s and ternary operator only for
4959	"enter"/"exit" keyword.
4960	(cp_finalize_oacc_routine): Don't use %s to supply portions of the
4961	message.
4962
49632017-02-27  Jason Merrill  <jason@redhat.com>
4964
4965	PR c++/71568 - SFINAE forming pointer to member function
4966	* init.c (build_offset_ref): Check the return value of
4967	perform_or_defer_access_check.
4968
49692017-02-27  Marek Polacek  <polacek@redhat.com>
4970
4971	* decl.c (expand_static_init): Add missing } in a comment.
4972
49732017-02-27  Volker Reichelt  <v.reichelt@netcologne.de>
4974
4975	* init.c: Include intl.h.
4976	(build_new_1): Move message strings into pedwarn to make them
4977	-Wformat-security friendly. Mark string for translation.
4978	* pt.c (tsubst_copy_and_build): Mark string for translation.
4979	Make the pointer const.
4980	* semantics.c (finish_id_expression): Mark strings for translation.
4981
49822017-02-25  Jakub Jelinek  <jakub@redhat.com>
4983
4984	* call.c (build_op_delete_call): Make msg1 and msg2 const.
4985
49862017-02-24  Jakub Jelinek  <jakub@redhat.com>
4987
4988	PR c++/79588
4989	* call.c (build_over_call): Call check_function_arguments even for
4990	-Wrestrict, adjust check_function_arguments caller.
4991	* parser.c (cp_parser_postfix_expression): Don't handle -Wrestrict
4992	here.
4993	* typeck.c (cp_build_function_call_vec): Adjust
4994	check_function_arguments caller.
4995
49962017-02-24  Marek Polacek  <polacek@redhat.com>
4997
4998	PR translation/79705
4999	* decl.c (check_redeclaration_exception_specification): Mark a string
5000	for translation.  Make the pointer const.
5001
50022017-02-23  Paolo Carlini  <paolo.carlini@oracle.com>
5003
5004	PR c++/79361
5005	* pt.c (register_specialization): Check duplicate_decls return value
5006	for error_mark_node and pass it back.
5007
50082017-02-22  Jason Merrill  <jason@redhat.com>
5009
5010	PR c++/79679 - missing destructor for argument
5011	* call.c (build_over_call): Don't pass tf_no_cleanup to argument
5012	conversions.
5013
5014	* pt.c (do_class_deduction): Handle 0 argument case.
5015
50162017-02-22  Jakub Jelinek  <jakub@redhat.com>
5017
5018	PR c++/79664
5019	* parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
5020	SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
5021	* constexpr.c (potential_constant_expression_1): Handle
5022	OMP_*, OACC_* and CILK_* trees.  Use error_at with
5023	EXPR_LOC_OR_LOC (t, input_location) computed early
5024	instead of error, or error_at with location_of (t).
5025
50262017-02-22  Marek Polacek  <polacek@redhat.com>
5027
5028	PR c++/79653
5029	* parser.c (cp_parser_std_attribute_spec): Don't build the attribute
5030	if the alignas expression is erroneous.
5031	* pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
5032	error_mark_node.
5033
5034	PR c++/79657
5035	* semantics.c (finish_underlying_type): Bail out for incomplete enums.
5036
50372017-02-21  Jason Merrill  <jason@redhat.com>
5038
5039	PR c++/50308 - wrong deprecated warning with ADL
5040	PR c++/17729 - duplicate deprecated warning
5041	* semantics.c (finish_id_expression): Only call mark_used on a
5042	function if we aren't building a call.
5043
5044	PR c++/41727 - ICE with partial spec of partial instantiation
5045	* pt.c (process_partial_specialization): For now, don't check more
5046	specialized if there is more than one level of args.
5047
50482017-02-21  Marek Polacek  <polacek@redhat.com>
5049
5050	PR c++/79535
5051	* cp-tree.h (maybe_reject_flexarray_init): Declare.
5052	* init.c (maybe_reject_flexarray_init): No longer static.
5053	Add check for current_function_decl.
5054	* parser.c (cp_parser_late_parse_one_default_arg): Reject
5055	a default mem-initializer for a flexible array.
5056
50572017-02-21  Jakub Jelinek  <jakub@redhat.com>
5058	    Paolo Carlini  <paolo.carlini@oracle.com>
5059
5060	PR c++/79654
5061	* decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
5062	on error.
5063	* pt.c (tsubst_decomp_names): Return error_mark_node if the first
5064	decl after the decomposition artificial decl has error_mark_node.
5065	* decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
5066	instead of just == error_mark_node comparison.
5067
50682017-02-21  Jakub Jelinek  <jakub@redhat.com>
5069
5070	PR sanitizer/79589
5071	* decl.c: Include gimplify.h.
5072	(cp_finish_decomp): Make sure there is no sharing of trees
5073	in between DECL_VALUE_EXPR of decomposition decls.
5074
5075	PR c++/79655
5076	* constexpr.c (cxx_eval_array_reference): Diagnose negative subscript.
5077
5078	PR c++/79639
5079	* constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
5080	call cplus_expand_constant on it first.
5081
50822017-02-19  Jason Merrill  <jason@redhat.com>
5083
5084	PR c++/78139 - destructor needed by new-expression
5085	* call.c (build_special_member_call): Use tf_no_cleanup.
5086
5087	PR c++/78282 - auto template and pack expansion
5088	* pt.c (find_parameter_packs_r): Don't walk into the type of
5089	templates other than template template-parameters.
5090
5091	PR c++/79606 - ICE with this->base_member in NSDMI
5092	* class.c (build_base_path): Check processing_template_decl.
5093
5094	PR c++/79607 - ICE with T{} initializer
5095	* decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
5096
5097	PR c++/79566 - elaborated-type-specifier in range for
5098	* parser.c (cp_parser_simple_declaration): Fix check for type
5099	definition.
5100
5101	PR c++/79400 - confusing suggestion of 'noexcept'
5102	* parser.c (cp_parser_exception_specification_opt): Remove
5103	suggestion for deprecated dynamic exception-specification.
5104
5105	PR c++/79470 - partial ordering with reference parameters
5106	* pt.c (unify) [INDIRECT_REF]: Handle pack expansions.
5107
5108	PR c++/79500 - ICE with non-template deduction guide
5109	* pt.c (do_class_deduction): Use STRIP_TEMPLATE rather than
5110	DECL_TEMPLATE_RESULT.
5111
5112	PR c++/79580 - ICE with compound literal
5113	* parser.c (cp_parser_class_head): If we're in the middle of an
5114	expression, use ts_within_enclosing_non_class.
5115
5116	PR c++/79503 - inherited ctor taking base class
5117	* call.c (add_function_candidate): Also check that
5118	DECL_INHERITED_CTOR_BASE is reference-related to the parameter type.
5119
51202017-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
5121
5122	PR c++/79380
5123	* typeck.c (cxx_alignas_expr): Reject a non-integral alignas
5124	argument.
5125
51262017-02-19  Eric Fiselier  <eric@efcs.ca>
5127	    Jonathan Wakely  <jwakely@redhat.com>
5128
5129	PR c++/69523
5130	* parser.c (cp_parser_unqualified_id): Use OPT_Wliteral_suffix to
5131	control warning about literal suffix identifiers without a leading
5132	underscore.
5133
51342017-02-17  Jason Merrill  <jason@redhat.com>
5135
5136	PR c++/79508 - lookup error with member template
5137	* parser.c (cp_parser_template_name): Clear
5138	parser->context->object_type if we aren't doing lookup.
5139
5140	PR c++/78690 - ICE with using and global type with same name
5141	* pt.c (type_dependent_object_expression_p): True for
5142	IDENTIFIER_NODE.
5143
5144	PR c++/79549 - C++17 ICE with non-type auto template parameter pack
5145	* pt.c (convert_template_argument): Just return an auto arg pack.
5146	(tsubst_template_args): Don't tsubst an auto pack type.
5147
5148	PR c++/79556 - C++17 ICE with non-type auto
5149	* pt.c (do_auto_deduction): Don't try to deduce from null type.
5150
5151	PR c++/79533 - C++17 ICE with temporary cast to reference
5152	* call.c (build_over_call): Conversion to a reference prevents copy
5153	elision.
5154
51552017-02-16  Jakub Jelinek  <jakub@redhat.com>
5156	    Jason Merrill  <jason@redhat.com>
5157
5158	PR c++/79502 - lost nodiscard attribute
5159	* pt.c (apply_late_template_attributes): Do apply non-dependent
5160	attributes to types.
5161
51622017-02-16  Jason Merrill  <jason@redhat.com>
5163
5164	PR c++/78572 - ICE with self-modifying array initializer
5165	* constexpr.c (cxx_eval_store_expression): The object we're
5166	initializing is outside the constant-expression.
5167	(cxx_eval_call_expression): Set ctx->call.
5168
5169	PR c++/79050 - ICE with undeduced auto and LTO
5170	* decl.c (poplevel): Remove undeduced auto decls.
5171
51722017-02-16  Jakub Jelinek  <jakub@redhat.com>
5173
5174	PR c++/79512
5175	* parser.c (cp_parser_omp_target): For -fopenmp-simd
5176	ignore #pragma omp target even when not followed by identifier.
5177
51782017-02-15  Jason Merrill  <jason@redhat.com>
5179	    Jakub Jelinek  <jakub@redhat.com>
5180
5181	PR c++/79464 - ICE in IPA with omitted constructor parms
5182	* class.c (build_clone): Also omit parms from TYPE_ARG_TYPES.
5183	(adjust_clone_args): Adjust.
5184	(add_method): Remember omitted parms.
5185	* call.c (add_function_candidate): Likewise.
5186	* mangle.c (write_method_parms): Likewise.
5187	* method.c (ctor_omit_inherited_parms): Return false if there are no
5188	parms to omit.
5189
51902017-02-15  Martin Sebor  <msebor@redhat.com>
5191
5192	PR c++/79363
5193	* init.c (maybe_reject_flexarray_init): New function.
5194	(perform_member_init): Call it.
5195
51962017-02-15  Jakub Jelinek  <jakub@redhat.com>
5197
5198	PR c++/79301
5199	* parser.c (cp_parser_std_attribute): Don't pedwarn about
5200	[[deprecated]] with -std=c++11 and [[fallthrough]] with
5201	-std=c++11 and -std=c++14.
5202
5203	PR c++/79288
5204	* decl.c (grokdeclarator): For static data members, handle thread_p
5205	only after handling inline.
5206
52072017-02-14  Marek Polacek  <polacek@redhat.com>
5208
5209	PR c++/79420
5210	PR c++/79463
5211	* parser.c (cp_parser_postfix_dot_deref_expression): Avoid
5212	clobbering if the postfix expression isn't an EXPR_P.
5213
52142017-02-13  Jason Merrill  <jason@redhat.com>
5215
5216	PR c++/79461 - ICE with lambda in constexpr constructor
5217	* constexpr.c (build_data_member_initialization): Ignore
5218	initialization of a local variable.
5219
52202017-02-13  Jakub Jelinek  <jakub@redhat.com>
5221
5222	* init.c (warn_placement_new_too_small): Add missing space in
5223	diagnostics.
5224	* parser.c (cp_parser_oacc_declare): Likewise.
5225	* mangle.c (maybe_check_abi_tags): Likewise.
5226
5227	PR c++/79232
5228	* typeck.c (cp_build_modify_expr): Handle properly COMPOUND_EXPRs
5229	on lhs that have {PRE{DEC,INC}REMENT,MODIFY,MIN,MAX,COND}_EXPR
5230	in the rightmost operand.
5231
52322017-02-13  Nathan Sidwell  <nathan@acm.org>
5233
5234	PR c++/79296 - ICE mangling localized template instantiation
5235	* decl2.c (determine_visibility): Use template fn context for
5236	local class instantiations.
5237
52382017-02-11  Jason Merrill  <jason@redhat.com>
5239
5240	PR c++/77659 - ICE with new and C++14 aggregate NSDMI
5241	* init.c (build_new): Make backups of any CONSTRUCTORs in init.
5242	(build_new_1): Use replace_placeholders.
5243	* tree.c (replace_placeholders_t): Also track whether we've seen a
5244	placeholder.
5245	(replace_placeholders, replace_placeholders_r): Adjust.
5246	* cp-tree.h: Adjust.
5247
5248	PR c++/77790 - ICE with auto function in C++11 mode
5249	* decl.c (undeduced_auto_decl): Remove C++14 limitation.
5250	(require_deduced_type): Add complain parm, return bool.
5251	* cp-tree.h: Adjust.
5252	* decl2.c (mark_used): Use require_deduced_type.
5253
52542017-02-10  Jason Merrill  <jason@redhat.com>
5255
5256	PR c++/78908 - template ops and bitfields
5257	* tree.c (build_min_non_dep): Use unlowered_expr_type.
5258
5259	PR c++/78897 - constexpr union
5260	* constexpr.c (cxx_eval_store_expression): A store to a union member
5261	erases a previous store to another member.
5262
5263	PR c++/71285 - member of fold-expression
5264	* semantics.c (finish_unary_fold_expr)
5265	(finish_binary_fold_expr): Use null type for fold-expressions.
5266
5267	PR c++/79401 - protected inherited constructor
5268	* call.c (enforce_access): For inheriting constructor, find a base
5269	binfo in the path we already have.
5270
52712017-02-10  Marek Polacek  <polacek@redhat.com>
5272
5273	PR c++/79435
5274	* pt.c (type_dependent_expression_p): Check if the expression type
5275	is null.
5276
5277	PR c++/79184
5278	* cvt.c (ocp_convert): Add a sentinel against -Wint-in-bool-context
5279	if warnings shouldn't be given.
5280
52812017-02-10  Paolo Carlini  <paolo.carlini@oracle.com>
5282
5283	PR c++/71737
5284	* pt.c (tsubst_decl): Don't try to preserve a typedef that names
5285	an error_mark_node as type.
5286
52872017-02-09  Jakub Jelinek  <jakub@redhat.com>
5288	    Jason Merrill  <jason@redhat.com>
5289
5290	PR c++/79143
5291	* pt.c (instantiate_class_template_1): Copy CLASSTYPE_NON_AGGREGATE
5292	from pattern to type.
5293
52942017-02-09  Jason Merrill  <jason@redhat.com>
5295
5296	PR c++/79316 - default argument in deduction guide
5297	PR c++/79350 - explicit deduction guide
5298	* parser.c (cp_parser_constructor_declarator_p)
5299	(cp_parser_direct_declarator): Parse deduction guides more like
5300	constructors.
5301	* cp-tree.h (enum special_function_kind): Add sfk_deduction_guide.
5302	* tree.c (special_function_p): Return it.
5303	* decl.c (check_special_function_return_type): Handle it.
5304	(grokdeclarator, grokfndecl): Adjust.
5305	(cp_finish_decl): Pass flags to do_auto_deduction.
5306	* error.c (dump_decl_name): Use TFF_UNQUALIFIED_NAME.
5307	* pt.c (dguide_name_p): Take a const_tree.
5308	(do_class_deduction): Handle explicit.
5309	(do_auto_deduction): Pass flags through.
5310	(build_deduction_guide): Copy explicit flag.
5311
53122017-02-09  Jakub Jelinek  <jakub@redhat.com>
5313
5314	PR c++/79429
5315	* parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
5316	non-pragma_compound context here.
5317	(cp_parser_omp_target): Likewise.
5318	(cp_parser_pragma): Don't call push_omp_privatization_clauses and
5319	parsing for ordered and target omp pragmas in non-pragma_stmt
5320	non-pragma_compound contexts.
5321
5322	PR c/79431
5323	* parser.c (cp_parser_oacc_declare): Formatting fix.
5324	(cp_parser_omp_declare_target): Don't invoke symtab_node::get on
5325	automatic variables.
5326
53272016-02-09  Nathan Sidwell  <nathan@codesourcery.com>
5328	    Chung-Lin Tang  <cltang@codesourcery.com>
5329
5330	* parser.c (cp_parser_oacc_clause_tile): Disallow collapse.  Fix
5331	parsing.  Parse constant expression. Remove semantic checking.
5332	(cp_parser_omp_clause_collapse): Disallow tile.
5333	(cp_parser_omp_for_loop): Deal with tile clause.  Don't emit a parse
5334	error about missing for after already emitting one.  Use more
5335	conventional for idiom for unbounded loop.
5336	* pt.c (tsubst_omp_clauses): Handle OMP_CLAUSE_TILE.
5337	* semantics.c (finish_omp_clauses): Correct TILE semantic check.
5338	(finish_omp_for): Deal with tile clause.
5339
53402017-02-07  Nathan Sidwell  <nathan@acm.org>
5341
5342	* method.c (synthesized_method_base_walk): New.  Broken out of ...
5343	(synthesized_method_walk): ... here.  Call it.  Cleanup
5344	initializations.
5345
53462017-02-07  Patrick Palka  <ppalka@gcc.gnu.org>
5347
5348	PR c++/79360
5349	* typeck2.c (process_init_constructor_union): Consider only
5350	FIELD_DECLs when looking for an NSDMI.
5351
53522017-02-06  Jason Merrill  <jason@redhat.com>
5353
5354	PR c++/71193 - incomplete types in templates
5355	* parser.c (cp_parser_postfix_dot_deref_expression): In a template
5356	handle incomplete type by pedwarning and then treating as dependent.
5357
53582017-02-06  Jakub Jelinek  <jakub@redhat.com>
5359
5360	PR c++/79379
5361	* constexpr.c (cxx_eval_constant_expression): Handle ANNOTATE_EXPR.
5362	(potential_constant_expression_1): Likewise.
5363
5364	PR c++/79377
5365	* tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
5366	allow one fewer than expected arguments if flag_permissive.
5367
5368	PR c++/79372
5369	* decl.c (cp_finish_decomp): On error set decl type to error_mark_node.
5370	* pt.c (tsubst_expr): Don't call tsubst_decomp_names on decompositions
5371	with error_mark_node type.
5372
53732017-02-03  Jason Merrill  <jason@redhat.com>
5374
5375	PR c++/78689 - ICE on constructor with label
5376	* optimize.c (maybe_clone_body): Replace omitted parameters with
5377	null lvalues.
5378	* class.c (build_clone): Fix logic for omitting inherited parms.
5379
5380	PR c++/12245 - excessive memory use
5381	* constexpr.c (maybe_constant_value): Fold maybe_constant_value_1
5382	back in.  Don't cache constants.
5383	(maybe_constant_init): Don't cache constants.
5384
5385	PR c++/79294 - ICE with invalid template argument
5386	* pt.c (convert_nontype_argument_function): Check value-dependence.
5387	(convert_nontype_argument): Don't check it here for function ptrs.
5388
53892017-02-02  Richard Biener  <rguenther@suse.de>
5390
5391	PR cp/14179
5392	* cp-gimplify.c (cp_fold): When folding a CONSTRUCTOR copy
5393	it lazily on the first changed element only and copy it
5394	fully upfront, only storing changed elements.
5395
53962017-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
5397
5398	PR c++/69637
5399	* decl2.c (grokbitfield): In case of error don't set-up DECL_INITIAL
5400	to the width.
5401
54022017-01-31  Jakub Jelinek  <jakub@redhat.com>
5403
5404	PR c++/79304
5405	* error.c (dump_expr) <case COMPONENT_REF>: Don't print .
5406	after ARROW_EXPR.
5407
54082017-01-31  David Malcolm  <dmalcolm@redhat.com>
5409
5410	PR c++/79298
5411	* name-lookup.c (suggest_alternative_in_explicit_scope): Resolve
5412	any namespace aliases.
5413
54142017-01-31  Nathan Sidwell  <nathan@acm.org>
5415
5416	PR c++/79290
5417	* typeck.c (build_ptrmemfunc_access_expr): Set TREE_NO_WARNING.
5418
5419	PR c++/67273
5420	PR c++/79253
5421	* pt.c: (instantiate_decl): Push to top level when current
5422	function scope doesn't match.  Only push lmabda scope stack when
5423	pushing to top.
5424
5425	* cp-tree.h (instantiate_decl): Make defer_ok bool.
5426	* pt.c: Fix instantiate_decl calls to pass true/false not 0/1
5427	(instantiate_decl): Simplify and reorder state saving and restoration.
5428
5429	PR c++/79264
5430	* lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
5431	* semantics.c (finish_member_declaration): Assert class is being
5432	defined.
5433
54342017-01-30  Alexandre Oliva <aoliva@redhat.com>
5435
5436	Introduce C++ support in libcc1.
5437	* cp-tree.h (struct lang_identifier): Add oracle_looked_up.
5438	(ansi_opname): Rename to...
5439	(cp_operator_id): ... this.  Adjust all callers.
5440	(ansi_assopname): Rename to...
5441	(cp_assignment_operator_id): ... this.  Adjust all callers.
5442	(cp_literal_operator_id): Declare.
5443	(set_global_friend): Declare.
5444	(is_global_friend): Declare.
5445	(enum cp_oracle_request): New type.
5446	(cp_binding_oracle_function): New type.
5447	(cp_binding_oracle): Declare.
5448	(cp_finish_injected_record_type): Declare.
5449	* friend.c (global_friend): New var.
5450	(set_global_friend): New fn.
5451	(is_global_friend): New fn.
5452	(is_friend): Call is_global_friend.
5453	* name-lookup.c (cp_binding_oracle): New var.
5454	(query_oracle): New fn.
5455	(qualified_lookup_using_namespace): Call query_oracle.
5456	(lookup_name_real_1): Likewise.
5457	* parser.c (cp_literal_operator_id): Drop static.
5458	* search.c (friend_accessible_p): Call is_global_friend.
5459	* semantics.c (is_this_parameter): Accept a variable if the
5460	binding oracle is enabled.
5461
54622017-01-27  Jason Merrill  <jason@redhat.com>
5463
5464	PR c++/78771 - ICE with inherited constructor.
5465	* call.c (build_over_call): Call deduce_inheriting_ctor here.
5466	* pt.c (tsubst_decl): Not here.
5467	* class.c (add_method): Or here.
5468	* method.c (deduce_inheriting_ctor): Handle clones.
5469	(implicitly_declare_fn): Don't deduce inheriting ctors yet.
5470
54712017-01-27  Adam Butcher  <adam@jessamine.co.uk>
5472
5473	PR c++/64382
5474	* parser.c (parsing_default_capturing_generic_lambda_in_template):
5475	New function.
5476	* cp-tree.h: Declare it.
5477	* semantics.c (finish_id_expression): Resolve names within a default
5478	capturing generic lambda defined within a template prior to
5479	instantiation to allow for captures to be added to the closure type.
5480
54812017-01-26  Jakub Jelinek  <jakub@redhat.com>
5482
5483	PR c++/68727
5484	* cp-tree.def (OFFSETOF_EXPR): Bump number of operands to 2.
5485	* cp-tree.h (finish_offsetof): Add OBJECT_PTR argument.
5486	* parser.c (cp_parser_builtin_offsetof): Pass result of
5487	build_static_cast of null_pointer_node to finish_offsetof.
5488	* semantics.c (finish_offsetof): Add OBJECT_PTR argument, use
5489	it for -Winvalid-offsetof pedwarn instead of trying to guess
5490	original offsetof type from EXPR.  Save OBJECT_PTR as a new
5491	second operand to OFFSETOF_EXPR.
5492	* pt.c (tsubst_copy_and_build) <case OFFSETOF_EXPR>: Adjust
5493	finish_offsetof caller, pass the second operand of OFFSETOF_EXPR
5494	as OBJECT_PTR.
5495
54962017-01-26  Jason Merrill  <jason@redhat.com>
5497
5498	* name-lookup.c (parse_using_directive): Deprecate strong using.
5499
5500	PR c++/79176 - lambda ICE with -flto -Os
5501	* decl2.c (vague_linkage_p): Handle decloned 'tors.
5502	* tree.c (decl_linkage): Likewise.
5503
55042017-01-25  Martin Sebor  <msebor@redhat.com>
5505
5506	* decl.c (grokdeclarator): Fix a typo in a comment.
5507
55082017-01-25  Jakub Jelinek  <jakub@redhat.com>
5509
5510	PR c++/78896
5511	* decl.c (cp_finish_decomp): Disallow memberwise decomposition of
5512	lambda expressions.
5513
5514	PR c++/77914
5515	* parser.c (cp_parser_lambda_declarator_opt): Pedwarn with
5516	OPT_Wpedantic on lambda templates for -std=c++14 and higher.
5517
55182017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
5519
5520	PR lto/79061
5521	* decl.c (cxx_init_decl_processing): Pass main_input_filename
5522	to build_translation_unit_decl.
5523
55242017-01-24  Jakub Jelinek  <jakub@redhat.com>
5525
5526	PR c++/79205
5527	* cp-gimplify.c (cp_genericize_r): Add result of
5528	convert_from_reference on invisiref parm to p_set.
5529
55302017-01-24  Nathan Sidwell  <nathan@acm.org>
5531
5532	PR c++/78469 - defaulted ctor and inaccessible dtor
5533	* cp-tree.h (tsubst_flags): Add tf_no_cleanup.
5534	* init.c (build_new_1): Pass tf_no_cleanup to build_value_init.
5535	* tree.c (build_target_expr): Check tf_no_cleanup.
5536
5537	PR c++/79118 - anon-members and constexpr
5538	* constexpr.c (cx_check_missing_mem_inits): Caller passes type not
5539	ctor decl.  Recursively check anonymous members.
5540	(register_constexpr_fundef): Adjust cx_check_missing_mem_inits
5541	call.
5542	(explain_invalid_constexpr_fn): Likewise.
5543
55442017-01-23  Nathan Sidwell  <nathan@acm.org>
5545
5546	PR c++/71710 - template using directive of field
5547	* pt.c (tsubst_copy_and_build [COMPONENT_REF]): Move FIELD_DECL
5548	check earlier.
5549
5550	PR c++/71406 - ICE with scope-ref'd template id exprs
5551	PR c++/77508
5552	* typeck.c (finish_class_member_access_expr): Break up SCOPE_REF
5553	before breaking up TEMPLATE_ID_EXPR.
5554
55552017-01-20  Nathan Sidwell  <nathan@acm.org>
5556
5557	PR c++/78495 - wrong code inherited ctor and invisi-ref parm
5558	* cp-gimplify.c (cp_generize_r): Don't skip thunks.
5559
55602017-01-20  David Malcolm  <dmalcolm@redhat.com>
5561
5562	PR c++/77829
5563	PR c++/78656
5564	* cp-tree.h (suggest_alternatives_for): Add bool param.
5565	(suggest_alternative_in_explicit_scope): New decl.
5566	* error.c (qualified_name_lookup_error): When SCOPE is a namespace
5567	that isn't the global one, call new function
5568	suggest_alternative_in_explicit_scope, only calling
5569	suggest_alternatives_for if it fails, and disabling near match
5570	searches fort that case.  When SCOPE is the global namespace,
5571	pass true for new param to suggest_alternatives_for to allow for
5572	fuzzy name lookups.
5573	* lex.c (unqualified_name_lookup_error): Pass true for new param
5574	to suggest_alternatives_for.
5575	* name-lookup.c (consider_binding_level): Add forward decl.
5576	(suggest_alternatives_for): Add "suggest_misspellings" param,
5577	using it to conditionalize the fuzzy name-lookup code.
5578	(suggest_alternative_in_explicit_scope): New function.
5579	* parser.c (cp_parser_primary_expression): When calling
5580	finish_id_expression, pass location of id_expression rather
5581	than that of id_expr_token.
5582	(cp_parser_id_expression): Convert local "unqualified_id" from
5583	tree to cp_expr to avoid implicitly dropping location information.
5584
55852017-01-20  Marek Polacek  <polacek@redhat.com>
5586
5587	PR c/64279
5588	* call.c (build_conditional_expr_1): Warn about duplicated branches.
5589	* semantics.c (finish_expr_stmt): Build statement using the proper
5590	location.
5591
55922017-01-19  Jason Merrill  <jason@redhat.com>
5593
5594	US 20 - forwarding references and class template argument deduction
5595	* cp-tree.h (TEMPLATE_TYPE_PARM_FOR_CLASS): New.
5596	* pt.c (push_template_decl_real): Set it.
5597	(maybe_adjust_types_for_deduction): Check it.
5598	(rewrite_template_parm): Copy it.
5599
5600	US 19 - deduction guides and constructors
5601	* call.c (joust): Prefer deduction guides to constructors.
5602	* pt.c (build_deduction_guide): Set DECL_ARTIFICIAL.
5603	(deduction_guide_p): Check DECL_P.
5604
5605	* decl.c (check_initializer): Always use build_aggr_init for array
5606	decomposition.
5607
5608	PR c++/79130 - decomposition and direct-initialization
5609	* init.c (build_aggr_init): Communicate direct-initialization to
5610	build_vec_init.
5611	(build_vec_init): Check for array copy sooner.
5612	* parser.c (cp_parser_decomposition_declaration): Remove call to
5613	build_x_compound_expr_from_list.
5614
56152017-01-18  Jason Merrill  <jason@redhat.com>
5616
5617	PR c++/68666 - member variable template-id
5618	* typeck.c (finish_class_member_access_expr): Handle variable
5619	template-id.
5620	* pt.c (lookup_and_finish_template_variable): No longer static.
5621	* cp-tree.h: Declare it.
5622
56232017-01-18  Nathan Sidwell  <nathan@acm.org>
5624
5625	PR c++/78488
5626	* call.c (build_over_call): When checking ellipsis conversions for
5627	an inherited ctor, make sure there is at least one conversion.
5628
56292017-01-18  Jason Merrill  <jason@redhat.com>
5630
5631	PR c++/78894 - ICE with class deduction and default arg
5632	* pt.c (build_deduction_guide): Set DECL_PRIMARY_TEMPLATE.
5633
56342017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
5635
5636	PR c++/77489
5637	* mangle.c (write_discriminator): Reorganize abi warning check.
5638
56392017-01-18  Nathan Sidwell  <nathan@acm.org>
5640
5641	* cp-tree.h: Clarify exception spec node comment.
5642	* except.c (nothrow_spec_p): Simplify by checking node-equality.
5643
5644	PR c++/79091
5645	* mangle.c (write_exception_spec): Check nothrow explicitly.
5646	(write_encoding): Don't increment processing_template_decl around
5647	encoding.
5648
56492017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
5650
5651	PR c++/70182
5652	* mangle.c (write_template_args): Add "on" for operator names.
5653
56542017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
5655
5656	PR c++/77489
5657	* mangle.c (write_discriminator): Handle discriminator >= 10.
5658
56592017-01-17  Nathan Sidwell  <nathan@acm.org>
5660
5661	PR c++/61636
5662	* cp-tree.h (maybe_generic_this_capture): Declare.
5663	* lambda.c (resolvable_dummy_lambda): New, broken out of ...
5664	(maybe_resolve_dummy): ... here.  Call it.
5665	(maybe_generic_this_capture): New.
5666	* parser.c (cp_parser_postfix_expression): Speculatively capture
5667	this in generic lambda in unresolved member function call.
5668	* pt.c (tsubst_copy_and_build): Force hard error from failed
5669	member function lookup in generic lambda.
5670
56712017-01-17  Aldy Hernandez  <aldyh@redhat.com>
5672
5673	PR c++/70565
5674	* cp-array-notation.c (expand_array_notation_exprs): Handle
5675	OMP_PARALLEL.
5676
56772017-01-11  Jason Merrill  <jason@redhat.com>
5678
5679	PR c++/78337 - ICE on invalid with generic lambda
5680	* semantics.c (process_outer_var_ref): Check if containing_function
5681	is null.  Move inform call under complain test.
5682
56832017-01-11  Nathan Sidwell  <nathan@acm.org>
5684
5685	PR c++/77812
5686	* name-lookup.c (set_namespace_binding_1): An overload of 1 decl
5687	is a new overload.
5688
56892017-01-11  Nathan Sidwell  <nathan@acm.org>
5690
5691	* name-lookup.c (push_overloaded_decl_1): Refactor OVERLOAD creation.
5692
56932017-01-11  Jakub Jelinek  <jakub@redhat.com>
5694
5695	PR c++/78341
5696	* parser.c (cp_parser_std_attribute_spec): Remove over-eager
5697	assertion.  Formatting fix.
5698
5699	PR c++/72813
5700	* decl2.c (c_parse_final_cleanups): Set flag_syntax_only to 1 after
5701	writing PCH file.
5702
57032017-01-10  David Malcolm  <dmalcolm@redhat.com>
5704
5705	PR c++/77949
5706	* parser.c (cp_parser_class_specifier_1): Only suggest inserting
5707	a missing semicolon if we have a valid insertion location for
5708	the fix-it hint.
5709
57102017-01-10  Jason Merrill  <jason@redhat.com>
5711
5712	FI 20, decomposition declaration with parenthesized initializer.
5713	* parser.c (cp_parser_decomposition_declaration): Use
5714	cp_parser_initializer.
5715
57162017-01-09  Jason Merrill  <jason@redhat.com>
5717
5718	Implement P0195R2, C++17 variadic using.
5719	* parser.c (cp_parser_using_declaration): Handle ellipsis and comma.
5720	* pt.c (tsubst_decl): Handle pack expansion in USING_DECL_SCOPE.
5721	* error.c (dump_decl): Likewise.
5722
57232017-01-09  Jakub Jelinek  <jakub@redhat.com>
5724
5725	PR translation/79019
5726	PR translation/79020
5727	* semantics.c (finish_omp_clauses): Add missing whitespace to
5728	translatable strings.
5729	* cp-cilkplus.c (cpp_validate_cilk_plus_loop_aux): Fix comment typo.
5730
57312017-01-07  Jason Merrill  <jason@redhat.com>
5732
5733	PR c++/78948 - instantiation from discarded statement
5734	* parser.h (struct cp_parser): Remove in_discarded_stmt field.
5735	* cp-tree.h (in_discarded_stmt): Declare it.
5736	(struct saved_scope): Add discarded_stmt bitfield.
5737	(in_discarded_stmt): New macro.
5738	* decl2.c (mark_used): Check it.
5739	* parser.c (cp_parser_selection_statement): Adjust.
5740	(cp_parser_jump_statement): Adjust.
5741
57422017-01-05  Jakub Jelinek  <jakub@redhat.com>
5743
5744	PR c++/78931
5745	* decl.c (cp_finish_decomp): Remove probe variable, if tt is
5746	REFERENCE_REF_P, set tt to its operand.
5747
5748	PR c++/78890
5749	* class.c (check_field_decls): Diagnose REFERENCE_TYPE fields in
5750	unions even for C++11 and later.
5751
57522017-01-05  Nathan Sidwell  <nathan@acm.org>
5753
5754	PR c++/78765
5755	* pt.c (convert_nontype_argument): Don't try and see if integral
5756	or enum expressions are constants prematurely.
5757
57582017-01-04  Marek Polacek  <polacek@redhat.com>
5759
5760	PR c++/64767
5761	* typeck.c (cp_build_binary_op): Warn when a pointer is compared with
5762	a zero character literal.
5763
57642017-01-04  Jakub Jelinek  <jakub@redhat.com>
5765
5766	PR c++/78949
5767	* typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
5768	vector type.
5769
5770	PR c++/78693
5771	* parser.c (cp_parser_simple_declaration): Only complain about
5772	inconsistent auto deduction if auto_result doesn't use auto.
5773
5774	* parser.c (cp_parser_simple_declaration): Diagnose function
5775	declaration among more than one init-declarators with auto
5776	specifier.
5777
5778	PR c++/71182
5779	* parser.c (cp_lexer_previous_token): Use vec_safe_address in the
5780	assertion, as lexer->buffer may be NULL.
5781
57822017-01-04  Marek Polacek  <polacek@redhat.com>
5783
5784	PR c++/77545
5785	PR c++/77284
5786	* constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
5787
57882017-01-04  Nathan Sidwell  <nathan@acm.org>
5789
5790	PR c++/66735
5791	* cp-tree.h (DECLTYPE_FOR_REF_CAPTURE): New.
5792	(lambda_capture_field_type): Update prototype.
5793	* lambda.c (lambda_capture_field_type): Add is_reference parm.
5794	Add referenceness here.
5795	(add_capture): Adjust lambda_capture_field_type call, refactor
5796	error checking.
5797	* pt.c (tsubst): Adjust lambda_capture_field_type call.
5798
57992017-01-01  Jakub Jelinek  <jakub@redhat.com>
5800
5801	Update copyright years.
5802
5803Copyright (C) 2017 Free Software Foundation, Inc.
5804
5805Copying and distribution of this file, with or without modification,
5806are permitted in any medium without royalty provided the copyright
5807notice and this notice are preserved.
5808