PR c++/84684
[official-gcc.git] / gcc / cp / ChangeLog
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1 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
3         PR c++/84684
4         * constexpr.c (constexpr_call_hasher::equal): Return false if
5         lhs->hash != rhs->hash.  Change return 1 to return true and
6         return 0 to return false.
8 2018-03-05  Nathan Sidwell  <nathan@acm.org>
10         PR c++/84702
11         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
13 2018-03-05  Marek Polacek  <polacek@redhat.com>
15         PR c++/84707
16         * decl.c (duplicate_decls): Check DECL_NAME before accessing
17         UDLIT_OPER_P.
19 2018-03-05  Nathan Sidwell  <nathan@acm.org>
21         PR c++/84694
22         * friend.c (do_friend): Restore check for identifier_p inside
23         TEMPLATE_ID_EXPR.
25 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
27         PR c++/84618
28         * parser.c (cp_parser_lambda_introducer): Reject any capture not
29         involving a VAR_DECL or a PARM_DECL.
31 2018-03-05  Pádraig Brady  <P@draigBrady.com>
32             Jason  Merrill  <jason@redhat.com>
33             Nathan Sidwell  <nathan@acm.org>
35         PR c++/84497
36         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
38 2018-03-03  Jason Merrill  <jason@redhat.com>
40         PR c++/84686 - missing volatile loads.
41         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
43 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
45         PR c++/71464
46         * optimize.c (maybe_thunk_body): Bail out immediately if either
47         fns[0] or fns[1] is null.
49 2018-03-02  Marek Polacek  <polacek@redhat.com>
51         PR c++/84578
52         * constexpr.c (get_array_or_vector_nelts): New.
53         (cxx_eval_array_reference): Use it.
54         (cxx_eval_vec_init_1): Likewise.
55         (cxx_eval_store_expression): Likewise.
57 2018-03-02  Jason Merrill  <jason@redhat.com>
59         * semantics.c (force_paren_expr): Remove redundant test.
61 2018-03-02  Marek Polacek  <polacek@redhat.com>
63         PR c++/84663
64         * decl.c (cp_complete_array_type): Check error_mark_node.
66         PR c++/84664
67         * typeck.c (cp_perform_integral_promotions): Check the result of
68         mark_rvalue_use.
70 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
72         PR c++/84662
73         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
74         RETURN instead of return.
75         <case POINTER_PLUS_EXPR>: Likewise.
76         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
77         it instead of wrapping it into CONVERT_EXPR.
79 2018-03-02  Jason Merrill  <jason@redhat.com>
81         Fix MIPS16 ICE.
82         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
84 2018-03-02  Marek Polacek  <polacek@redhat.com>
86         PR c++/84590
87         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
88         wrapped in VIEW_CONVERT_EXPR.
90 2018-03-01  Martin Sebor  <msebor@redhat.com>
92         PR c++/84294
93         * decl.c (check_redeclaration_no_default_args): Merge attributes
94         specified on redeclarations of the same function template.
95         Remove dead code.
97 2018-03-01  Marek Polacek  <polacek@redhat.com>
98             Jason Merrill  <jason@redhat.com>
100         PR c++/84582
101         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
102         a template.
103         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
104         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
105         of instantiate_non_dependent_expr.
106         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
108 2018-03-01  Nathan Sidwell  <nathan@acm.org>
110         PR c++/84434
111         * name-lookup.c (member_vec_dedup): Remove manually peeled
112         iteration.  Ignore dependent ctor inheritance.
114 2018-03-01  Jason Merrill  <jason@redhat.com>
116         PR c++/71569 - decltype of template.
117         * parser.c (cp_parser_decltype_expr): Handle missing template args.
119 2018-03-01  Marek Polacek  <polacek@redhat.com>
121         PR c++/84596
122         * constexpr.c (require_rvalue_constant_expression): New function.
123         * cp-tree.h: Declare it.
124         * semantics.c (finish_static_assert): Use it instead of
125         require_potential_rvalue_constant_expression.
127 2018-03-01  Jason Merrill  <jason@redhat.com>
128             Alexandre Oliva <aoliva@redhat.com>
130         PR c++/71569 - ICE with redundant args on member variable template.
131         * decl.c (start_decl): Handle partial specialization of member
132         variable template.
133         * pt.c (determine_specialization): Allow partial specialization
134         of member variable template without specializing enclosing class.
135         (process_partial_specialization): Improve error message.
137 2018-02-28  Jason Merrill  <jason@redhat.com>
139         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
140         * pt.c (determine_specialization): Check ref-qualifier.
142 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
144         PR c++/84609
145         * parser.c (cp_parser_attributes_opt): Formatting fix.
146         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
147         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
148         New functions.
149         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
150         instead of tentative parse to peek over optional attribute tokens
151         to check for CPP_COLON after them.
153         PR c++/83871
154         PR c++/83503
155         * pt.c (INCLUDE_STRING): Remove define.
156         (warn_spec_missing_attributes): Use pretty_printer instead of
157         std::string.  Fix up inform call so that the list of attributes
158         is in %s argument.
160 2018-02-28  Martin Sebor  <msebor@redhat.com>
162         PR testsuite/84617
163         * decl.c (duplicate_decls): Fully merge attributes const, pure,
164         and malloc.
166 2018-02-28  Nathan Sidwell  <nathan@acm.org>
168         PR c++/84602
169         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
170         * name-lookup.c (fields_linear_search): Look in an anon-aggr
171         regardless of want_type.
172         (search_anon_aggr): Just use get_class_binding_direct.
174 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
176         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
177         inform_n.
179 2018-02-27  Martin Sebor  <msebor@redhat.com>
181         * pt.c: Avoid including <string> directly.
183 2018-02-27  Martin Sebor  <msebor@redhat.com>
185         PR c++/83871
186         PR c++/83503
187         * cp-tree.h (warn_spec_missing_attributes): New function.
188         ((check_explicit_specialization): Add an argument.  Call the above
189         function.
190         * decl.c (duplicate_decls): Avoid applying primary function template's
191         attributes to its explicit specializations.
192         cp/pt.c (warn_spec_missing_attributes): Define.
194 2018-02-27  Håkon Sandsmark  <hsandsmark@gmail.com>
196         PR c++/71546 - lambda init-capture with qualified-id.
197         * parser.c (cp_parser_lambda_introducer): Clear scope after
198         each lambda capture.
200 2018-02-27  Nathan Sidwell  <nathan@acm.org>
202         PR c++/84426
203         * name-lookup.h (get_member_slot): Rename ...
204         (find_member_slot): ... here.
205         (add_member_slot): New.
206         * name-lookup.c (member_vec_linear_search): No need to check for
207         NULL slot.
208         (get_member_slot): Rename ...
209         (find_member_slot): ... here.  Don't add slot for incomplete class.
210         (add_member_slot): New.
211         * class.c (add_method): Adjust get_member_slot rename.  Bail out
212         if push_class_level_binding fails.  Create slot and grok
213         properties once we're committed to insertion.
215 2018-02-27  Jason Merrill  <jason@redhat.com>
217         PR c++/84489 - dependent default template argument
218         * pt.c (type_unification_real): Handle early substitution failure.
220 2018-02-26  Jason Merrill  <jason@redhat.com>
222         PR c++/84560 - ICE capturing multi-dimensional VLA.
223         * tree.c (array_of_runtime_bound_p): False if the element is
224         variably-modified.
226         PR c++/84441 - ICE with base initialized from ?:
227         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
229         PR c++/84520 - ICE with generic lambda in NSDMI.
230         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
231         'this' in a generic lambda instantiation.
233         PR c++/84559 - ICE with constexpr VLA.
234         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
235         for constexpr variable with VLA type.
237 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
239         PR c++/84558
240         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
241         a valid constant initializer.  Formatting fixes.
243 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
245         PR c++/84540
246         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
247         returning NULL_TREE.
248         (apply_late_template_attributes): Likewise.
250 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
252         PR c++/84557
253         * parser.c (cp_parser_omp_var_list_no_open): Only call
254         cp_parser_lookup_name_simple on names satisfying identifier_p.
255         (cp_parser_oacc_routine): Likewise.
257 2018-02-26  Jason Merrill  <jason@redhat.com>
259         PR c++/84551 - ICE with concepts and -g.
260         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
262 2018-02-26  Marek Polacek  <polacek@redhat.com>
264         PR c++/84325
265         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
266         non-types.
268 2018-02-26  Jason Merrill  <jason@redhat.com>
270         PR c++/84447 - ICE with deleted inherited ctor with default arg.
271         * call.c (build_over_call): Handle deleted functions in one place.
273 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
275         PR c++/84533
276         * decl.c (redeclaration_error_message): Don't try to use
277         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
279 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
281         * lambda.c (build_capture_proxy): Define static.
282         * cp-tree.h (build_capture_proxy): Remove.
284 2018-02-26  Marek Polacek  <polacek@redhat.com>
286         PR c++/84537
287         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
288         if name is error node.
290 2018-02-25  Jason Merrill  <jason@redhat.com>
292         PR c++/84015 - ICE with class deduction and auto template parm.
293         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
295 2018-02-24  Marek Polacek  <polacek@redhat.com>
297         PR c++/83692
298         * constexpr.c (maybe_constant_init_1): New function.
299         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
300         (cxx_constant_init): New function.
301         * cp-tree.h (cxx_constant_init): Declare.
302         * typeck2.c (store_init_value): Call cxx_constant_init instead of
303         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
305 2018-02-22  Jason Merrill  <jason@redhat.com>
307         PR c++/70468 - ICE with constructor delegation via typedef.
308         * pt.c (tsubst_initializer_list): Check for other mem-initializers
309         with constructor delegation.
311 2018-02-22  Jason Merrill  <jason@redhat.com>
313         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
314         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
315         VECTOR_TYPE.
317 2018-02-22  Marek Polacek  <polacek@redhat.com>
319         PR c++/84493
320         * parser.c (cp_parser_braced_list): Use require_open instead of
321         consume_open.
323 2018-02-21  Jason Merrill  <jason@redhat.com>
325         PR c++/84454 - ICE with pack expansion in signature.
326         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
328 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
330         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
331         IF_STMT.
333 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
335         PR c++/84446
336         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
337         on error_mark_node.
339 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
341         PR c++/84445
342         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
343         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
345         PR c++/84449
346         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
347         returns error_mark_node, return it immediately.
348         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
349         error_mark_node, return error_mark_node.
351         PR c++/84455
352         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
353         function_depth to avoid GC during finish_lambda_function.
355 2018-02-19  Jason Merrill  <jason@redhat.com>
357         PR c++/84429 - ICE capturing VLA.
358         * lambda.c (build_capture_proxy): Handle reference refs.
360 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
362         PR c++/84448
363         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
364         either operand is error_mark_node, set current.lhs to that instead of
365         creating a binary op with error_mark_node operands.
367         PR c++/84430
368         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
370 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
372         PR c++/84348
373         * decl.c (grokdeclarator): Early return error_mark_node upon
374         ill-formed friend declaration.
376 2018-02-16  Marek Polacek  <polacek@redhat.com>
377             Jakub Jelinek  <jakub@redhat.com>
379         PR c++/84192
380         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
381         set *jump_target to anything if jump_target is NULL.
383 2018-02-16  Jason Merrill  <jason@redhat.com>
385         PR c++/84151 - unnecessary volatile load with static member.
386         * call.c (build_new_method_call_1): Avoid loading from a volatile
387         lvalue used as the object argument for a static member function.
389         PR c++/81853 - using-directive and constexpr.
390         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
392         PR c++/84420 - ICE with structured binding in lambda.
393         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
395         PR c++/83835 - C++17 error with constructor ctors.
396         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
398         PR c++/82664 - ICE with reference to function template parm.
399         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
400         NOP_EXPRs.
402         PR c++/82764 - C++17 ICE with empty base
403         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
405 2018-02-16  Jason Merrill  <jason@redhat.com>
407         PR c++/84421 - type-dependent if constexpr
408         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
410 2018-02-16  Nathan Sidwell  <nathan@acm.org>
412         Deprecate -ffriend-injection.
413         * decl.c (cxx_init_decl_processing): Emit warning on option.
414         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
415         friend.
417 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
419         PR c++/82468
420         * decl.c (check_special_function_return_type): Reject template
421         template parameter in deduction guide.
423 2018-02-16  Nathan Sidwell  <nathan@acm.org>
425         PR c++/84375
426         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
428 2018-02-15  Jason Merrill  <jason@redhat.com>
430         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
431         * call.c (convert_like_real): Don't use the copy-list-initialization
432         shortcut for ck_base.
434         PR c++/84045 - ICE with typedef and noexcept.
435         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
437         PR c++/84376 - ICE with omitted template arguments.
438         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
440         PR c++/84368 - wrong error with local variable in variadic lambda.
441         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
442         local_specializations.
444 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
446         PR c++/84330
447         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
448         as first argument.
450 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
452         PR c++/84350
453         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
454         init, early return.
456 2018-02-14  Nathan Sidwell  <nathan@acm.org>
458         * decl2.c (mark_vtable_entries): Set input_location to decl's.
459         (c_parse_final_cleanups): Restore input_location after emitting
460         vtables.
462 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
464         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
465         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
466         auto_deduction_context, tree, int): Add defaults.
467         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
468         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
469         tsubst_flags_t argument.
470         * init.c (build_new): Likewise.
472 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
474         PR c++/84364
475         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
476         about return other than *this in assignment operators if
477         retval is type dependent expression.
479 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
481         PR c++/84333
482         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
483         save_expr for the G++ extension.
485 2018-02-13  Jason Merrill  <jason@redhat.com>
487         PR c++/84080 - ICE with return type deduction and specialization.
488         * pt.c (determine_specialization): Check uses_template_parms.
490         Fix more variadic capture issues.
491         * pt.c (find_parameter_packs_r): Also look at explicit captures.
492         (check_for_bare_parameter_packs): Check current_class_type for
493         lambda context.
494         (extract_locals_r): Handle seeing a full instantiation of a pack.
495         (tsubst_pack_expansion): Likewise.  Force lambda capture.
496         * parser.c (cp_parser_lambda_introducer): Don't
497         check_for_bare_parameter_packs.
499         PR c++/84338 - wrong variadic sizeof.
500         * pt.c (argument_pack_select_arg): Like the macro, but look through
501         a pack expansion.
502         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
503         (extract_fnparm_pack): Do make_pack_expansion.
504         (extract_locals_r): Do strip a pack expansion.
505         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
507 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
509         PR c++/84341
510         * parser.c (cp_parser_binary_expression): Use build_min instead of
511         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
513 2018-02-12  Nathan Sidwell  <nathan@acm.org>
515         PR c++/84263
516         * parser.c (cp_parser_decltype): Push and pop
517         deferring_access_checks.  Reorganize to avoid goto.
519 2018-02-12  Richard Biener  <rguenther@suse.de>
521         PR c++/84281
522         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
523         uniform constructors and delay allocating them fully.
525 2018-02-09  Jason Merrill  <jason@redhat.com>
527         PR c++/84036 - ICE with variadic capture.
528         Handle variadic capture proxies more like non-variadic.
529         * lambda.c (build_capture_proxy): Remove workaround.
530         * pt.c (find_parameter_packs_r): The proxy is a pack.
531         (instantiate_class_template_1): Remove dead lambda code.
532         (extract_fnparm_pack): Don't make_pack_expansion.
533         (extract_locals_r): Don't strip a pack expansion.
534         (tsubst_pack_expansion): Handle proxy packs.  Use
535         PACK_EXPANSION_EXTRA_ARGS less.
536         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
537         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
538         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
539         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
540         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
542 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
544         PR sanitizer/83987
545         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
547 2018-02-09  Jason Merrill  <jason@redhat.com>
549         PR c++/81917 - ICE with void_t and partial specialization.
550         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
551         calling most_specialized_partial_spec.
553 2018-02-09  Nathan Sidwell  <nathan@acm.org>
555         PR c/84293
556         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
557         Pass expr location to strict_aliasing_warning.
559 2018-02-09  Jason Merrill  <jason@redhat.com>
561         PR c++/84296 - ICE with qualified-id in template.
562         PR c++/83714
563         * pt.c (unknown_base_ref_p): New.
564         (instantiation_dependent_scope_ref_p): Use it instead of
565         any_dependent_bases_p.
567 2018-02-09  Marek Polacek  <polacek@redhat.com>
568             Jakub Jelinek  <jakub@redhat.com>
570         PR c++/83659
571         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
572         fold_indirect_ref_1, including poly_*int64.  Verify first that
573         tree_fits_poly_int64_p (op01).  Formatting fixes.
575 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
577         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
578         * lambda.c (build_capture_proxy): Likewise.
579         * search.c (field_access_p): Likewise.
580         * semantics.c (omp_clause_decl, omp_privatize_field,
581         finish_omp_clauses): Likewise.
583 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
585         PR c++/83806
586         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
587         case of nullptr too.
589 2018-02-08  Nathan Sidwell  <nathan@acm.org>
591         * class.c (finish_struct): Fix std:initializer_list diagnostic
592         formatting.
594 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
596         PR c++/83204
597         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
599 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
601         PR c++/84082
602         * parser.c (cp_parser_dot_deref_incomplete): New function.
603         (cp_parser_postfix_dot_deref_expression): Use it.
605 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
607         PR c++/81610
608         PR c++/80567
609         * name-lookup.c (suggest_rid_p): New function.
610         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
611         suggest_rid_p.
613 2018-02-07  Jason Merrill  <jason@redhat.com>
615         PR c++/84182 - ICE with captured lambda
616         PR c++/84181
617         * pt.c (extract_locals_r, extract_local_specs): New.
618         (tsubst_pack_expansion): Use them.
620 2018-02-07  Martin Liska  <mliska@suse.cz>
622         PR c++/84059.
623         * class.c (add_method): Append argument value.
624         * cp-tree.h (maybe_version_functions): Add new argument.
625         * decl.c (decls_match): Call it if a declaration does not
626         have DECL_FUNCTION_VERSIONED.
627         (maybe_version_functions): record argument is added.
629 2018-02-05  Marek Polacek  <polacek@redhat.com>
631         * class.c: Remove unused global variables.
632         (build_primary_vtable): Don't gather statistics.
633         (print_class_statistics): Remove.
634         * cp-tree.h (print_class_statistics): Remove.
635         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
637 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
639         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
640         * constexpr.c (cx_check_missing_mem_inits): Likewise.
641         * decl.c (next_initializable_field, find_decomp_class_base,
642         cp_finish_decomp): Likewise.
643         * typeck2.c (process_init_constructor_record): Likewise.
645 2018-02-02  Jason Merrill  <jason@redhat.com>
647         PR c++/84181 - ICE with lambda parm in template argument.
648         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
650 2018-02-01  Jason Merrill  <jason@redhat.com>
652         PR c++/84160 - ICE with nested variadic capture.
653         * lambda.c (is_capture_proxy_with_ref): New.
654         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
655         COMPONENT_REF.
656         * expr.c (mark_use): Use is_capture_proxy_with_ref.
657         * constexpr.c (potential_constant_expression_1): Likewise.
658         * semantics.c (process_outer_var_ref): Likewise.
660 2018-02-01  Marek Polacek  <polacek@redhat.com>
662         PR c++/84125
663         * typeck.c (build_address): Relax the assert when
664         processing_template_decl.
666 2018-02-01  Jason Merrill  <jason@redhat.com>
668         PR c++/84126 - ICE with variadic generic lambda
669         PR c++/84036
670         PR c++/82249
671         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
672         PACK_EXPANSION_EXTRA_ARGS.
674 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
676         PR c++/83796
677         * call.c (convert_like_real): If w're initializing from {} explicitly
678         call abstract_virtuals_error_sfinae.
680 2018-01-31  Jason Merrill  <jason@redhat.com>
681             Jakub Jelinek  <jakub@redhat.com>
683         PR c++/83993
684         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
685         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
686         on ADDR_EXPR.
688 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
690         PR c++/83993
691         * constexpr.c (diag_array_subscript): Emit different diagnostics
692         if TYPE_DOMAIN (arraytype) is NULL.
693         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
694         with NULL TYPE_DOMAIN use size_zero_node as nelts.
696 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
698         PR c++/84092
699         * semantics.c (finish_qualified_id_expr): When handling an
700         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
702 2018-01-31  Marek Polacek  <polacek@redhat.com>
704         PR c++/84138
705         * cp-gimplify.c (cp_fold): Check if X is an error node before
706         calling useless_type_conversion_p.
708 2018-01-30  Jason Merrill  <jason@redhat.com>
710         PR c++/84091 - ICE with local class in lambda in template.
711         * decl2.c (determine_visibility): Look for outer containing template
712         instantiation.
714         PR c++/84098 - ICE with lambda in template NSDMI.
715         * pt.c (instantiate_class_template_1): Ignore more lambdas.
717 2018-01-29  Jason Merrill  <jason@redhat.com>
719         PR c++/68810 - wrong location for reinterpret_cast error.
720         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
721         !dofold.
723 2018-01-29  Marek Polacek  <polacek@redhat.com>
725         PR c++/83996
726         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
727         => fooarray[1] in offset_int.
729 2018-01-29  Jason Merrill  <jason@redhat.com>
731         PR c++/83942 - wrong unused warning with static_cast.
732         * cvt.c (ocp_convert): Call mark_rvalue_use.
734 2018-01-26  Jason Merrill  <jason@redhat.com>
736         PR c++/83956 - wrong dtor error with anonymous union
737         * method.c (walk_field_subobs): Variant members only affect
738         deletedness.
739         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
741         PR c++/84036 - ICE with variadic capture.
742         PR c++/82249
743         * pt.c (tsubst_pack_expansion): When optimizing a simple
744         substitution, pull a single pack expansion out of its pack.
746         PR c++/82514 - ICE with local class in generic lambda.
747         * pt.c (regenerated_lambda_fn_p): Remove.
748         (enclosing_instantiation_of): Don't use it.
749         (tsubst_function_decl): Call enclosing_instantiation_of.
751         * pt.c (lookup_template_class_1): Add sanity check.
752         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
754 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
756         PR c++/84031
757         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
758         recursive calls that return ret.
759         (cp_finish_decomp): Ignore unnamed bitfields.
761 2018-01-23  Jason Merrill  <jason@redhat.com>
763         PR c++/82249 - wrong mismatched pack length error.
764         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
765         unsubstituted function parameter pack.
767 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
769         PR c++/83921
770         * decl.c (check_for_uninitialized_const_var): Not static; add
771         bool and tsubst_flags_t parameters; adjust to be used both in
772         constexpr context and not.
773         * constexpr.c (potential_constant_expression_1): Use the above.
774         * cp-tree.h (check_for_uninitialized_const_var): Declare.
776 2018-01-23  Jason Merrill  <jason@redhat.com>
778         PR c++/83947 - ICE with auto declarations.
779         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
780         * decl.c (undeduced_auto_decl): Limit to vars and fns.
782 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
784         PR c++/83974
785         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
786         for pointer to member function types.
788 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
790         PR sanitizer/83987
791         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
792         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
794 2018-01-23  Nathan Sidwell  <nathan@acm.org>
796         PR c++/83988
797         * pt.c (tsubst_baselink): Remove optype assert.
798         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
800 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
802         PR c++/83958
803         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
804         refers to incomplete type.
806 2018-01-23  Nathan Sidwell  <nathan@acm.org>
808         Deprecate ARM-era for scope handling
809         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
810         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
811         cleared.
812         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
813         cleanup handling.
814         * semantics.c (begin_for_scope): Flag_new_for_scope is
815         boolean-like.
816         (finish_for_stmt, begin_range_for_stmt): Likewise.
818 2018-01-22  Jason Merrill  <jason@redhat.com>
820         PR c++/83720
821         * decl2.c (determine_visibility): Fix template_decl handling
822         instead of blocking it.
824         PR c++/83720 - ICE with lambda and LTO.
825         * decl2.c (determine_visibility): Clear template_decl for
826         function-scope decls.  Propagate anonymous linkage from containing
827         function.
829 2018-01-22  Marek Polacek  <polacek@redhat.com>
831         PR c++/81933
832         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
833         split out anything.
835 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
837         PR c++/83895
838         * decl.c (grokdeclarator): Don't diagnose extra parens
839         on typedefs.
841 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
843         PR c++/81167
844         * call.c (joust): Use TREE_TYPE (source) if source is
845         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
847         PR c++/83919
848         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
849         for direct enum init.
850         * decl.c (reshape_init): Likewise.
852 2018-01-19  Marek Polacek  <polacek@redhat.com>
854         * constexpr.c (fold_simple): Simplify.
856 2018-01-18  Jason Merrill  <jason@redhat.com>
858         PR c++/83714
859         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
860         * pt.c (instantiation_dependent_scope_ref_p): True if
861         any_dependent_bases_p.
863 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
865         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
866         vs DECL_NONTRIVIALLY_INITIALIZED_P).
868 2018-01-18  Jason Merrill  <jason@redhat.com>
870         PR c++/82461 - constexpr list-initialized member
871         * constexpr.c (potential_constant_expression_1): Check
872         TARGET_EXPR_DIRECT_INIT_P.
874 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
876         PR c++/81013
877         * decl.c (xref_basetypes): Early return upon error about derived
878         union.
880 2018-01-18  Nathan Sidwell  <nathan@acm.org>
882         PR c++/83160
883         * cp-tree.h (mark_use): Declare.
884         * expr.c (mark_use): Make extern.
885         * call.c (direct_reference_binding): Set inner conv's
886         rvaluedness_matches_p, if it is an identity.
887         (convert_like_real): Mark lvalue or rvalue use for identity as
888         rvaledness_matches_p demands.
890 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
892         PR c++/83824
893         * parser.c (attr_chainon): New function.
894         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
895         cp_parser_namespace_definition, cp_parser_init_declarator,
896         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
897         cp_parser_gnu_attributes_opt): Use it.
898         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
899         cp_parser_objc_struct_declaration): Likewise.  Don't reset
900         prefix_attributes if attributes is error_mark_node.
902 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
904         PR c++/78344
905         * decl.c (grokdeclarator): Do not append the error_mark_node
906         due to an erroneous optional attribute-specifier-seq.
908 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
910         PR c++/83897
911         * cp-gimplify.c (cp_maybe_instrument_return): Handle
912         CLEANUP_POINT_EXPR.
914 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
916         PR c++/81054
917         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
918         error_mark_node when we give an error.
919         * decl.c (cp_finish_decl): Use the latter.
921 2018-01-17  Nathan Sidwell  <nathan@acm.org>
923         PR c++/83287
924         * init.c (build_raw_new_expr): Scan list for lookups to keep.
926 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
928         PR c++/83814
929         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
930         the C++ part.  If processing a template, call
931         fold_non_dependent_expr rather than fully folding.
933 2018-01-17  Jason Merrill  <jason@redhat.com>
935         PR c++/81067 - redundant NULL warning.
936         * call.c (convert_like_real): Restore null_node handling.
938 2018-01-17  Jason Merrill  <jason@redhat.com>
940         PR c++/81843 - ICE with variadic member template.
941         PR c++/72801
942         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
943         template args.
945 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
947         PR c++/83799
948         * pt.c (type_dependent_expression_p): Strip any location wrapper
949         before testing tree codes.
950         (selftest::test_type_dependent_expression_p): New function.
951         (selftest::cp_pt_c_tests): Call it.
953 2018-01-17  Nathan Sidwell  <nathan@acm.org>
955         PR c++/83739
956         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
957         this not a final instantiation.
959 2018-01-16  Jason Merrill  <jason@redhat.com>
961         PR c++/83714 - ICE checking return in template.
962         * typeck.c (check_return_expr): Call build_non_dependent_expr.
964 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
966         PR c++/83817
967         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
968         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
969         instead of CALL_FROM_THUNK_P.
971         PR c++/83825
972         * name-lookup.c (member_vec_dedup): Return early if len is 0.
973         (resort_type_member_vec, set_class_bindings,
974         insert_late_enum_def_bindings): Use vec qsort method instead of
975         calling qsort directly.
977 2018-01-15  Martin Sebor  <msebor@redhat.com>
979         PR c++/83588
980         * class.c (find_flexarrays): Make a record of multiple flexible array
981         members.
983 2018-01-12  Jason Merrill  <jason@redhat.com>
985         PR c++/83186 - ICE with static_cast of list-initialized temporary.
986         * typeck.c (build_static_cast): Use build_non_dependent_expr.
988 2018-01-12  Nathan Sidwell  <nathan@acm.org>
990         * cp-tree.h (mark_rvalue_use): Add parm name.
991         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
992         mark_rvalue_use.
993         * call.c (convert_like_real): Fix formatting.
995 2018-01-11  Jason Merrill  <jason@redhat.com>
997         PR c++/82728 - wrong -Wunused-but-set-variable
998         PR c++/82799
999         PR c++/83690
1000         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
1001         * decl.c (case_conversion): Likewise.
1002         * semantics.c (finish_static_assert): Call
1003         perform_implicit_conversion_flags.
1005 2018-01-11  Nathan Sidwell  <nathan@acm.org>
1007         * method.c (enum mangling_flags): Delete long-dead enum.
1009 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1011         * parser.c (cp_parser_std_attribute_spec): When
1012         token_pair::require_open / require_close return false simply
1013         return error_mark_node, avoid duplicate cp_parser_error about
1014         expected '(' / ')', respectively.
1016 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
1018         PR c++/43486
1019         * call.c (null_ptr_cst_p): Strip location wrappers when
1020         converting from '0' to a pointer type in C++11 onwards.
1021         (conversion_null_warnings): Replace comparison with null_node with
1022         call to null_node_p.
1023         (build_over_call): Likewise.
1024         * cp-gimplify.c (cp_fold): Remove the early bailout when
1025         processing_template_decl.
1026         * cp-lang.c (selftest::run_cp_tests): Call
1027         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
1028         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
1029         (selftest::run_cp_tests): Move decl to bottom of file.
1030         (null_node_p): New inline function.
1031         (selftest::cp_pt_c_tests): New decl.
1032         (selftest::cp_tree_c_tests): New decl.
1033         * cvt.c (build_expr_type_conversion): Replace comparison with
1034         null_node with call to null_node_p.
1035         * error.c (args_to_string): Likewise.
1036         * except.c (build_throw): Likewise.
1037         * mangle.c (write_expression): Skip location wrapper nodes.
1038         * parser.c (literal_integer_zerop): New function.
1039         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
1040         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
1041         param of cp_parser_parenthesized_expression_list.  When calling
1042         warn_for_memset, replace integer_zerop calls with
1043         literal_integer_zerop, eliminating the double logical negation
1044         cast to bool.  Eliminate the special-casing for CONST_DECL in
1045         favor of the fold_for_warn within warn_for_memset.
1046         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
1047         param, defaulting to false.  Convert "expr" to a cp_expr, and call
1048         maybe_add_location_wrapper on it when wrap_locations_p is true.
1049         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
1050         the result for RID_ALIGNOF and RID_SIZEOF.
1051         (cp_parser_builtin_offsetof): Likewise.
1052         * pt.c: Include "selftest.h".
1053         (tsubst_copy): Handle location wrappers.
1054         (tsubst_copy_and_build): Likewise.
1055         (build_non_dependent_expr): Likewise.
1056         (selftest::test_build_non_dependent_expr): New function.
1057         (selftest::cp_pt_c_tests): New function.
1058         * tree.c: Include "selftest.h".
1059         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
1060         (selftest::test_lvalue_kind): New function.
1061         (selftest::cp_tree_c_tests): New function.
1062         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
1063         (cp_build_binary_op): Replace comparison with null_node with call
1064         to null_node_p.
1065         (build_address): Use location of operand when building address
1066         expression.
1068 2018-01-10  Marek Polacek  <polacek@redhat.com>
1070         PR c++/82541
1071         * call.c (build_conditional_expr_1): Check complain before warning.
1072         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1073         -Wduplicated-branches.
1075 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
1077         PR c++/81327
1078         * call.c (maybe_warn_class_memaccess): Add forward declaration.
1079         Change last argument from tree * to const vec<tree, va_gc> *, adjust
1080         args uses and check number of operands too.  Don't strip away any
1081         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
1082         Deal with src argument not having pointer type.  Check
1083         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
1084         test.
1085         (build_over_call): Call maybe_warn_class_memaccess here on the
1086         original arguments.
1087         (build_cxx_call): Rather than here on converted arguments.
1089 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1091         PR c++/81055
1092         * init.c (build_vec_init): Avoid building an INIT_EXPR with
1093         error_mark_node as second argument.
1095 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
1097         PR c++/83734
1098         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1099         in STATEMENT_LIST.  Remove unneeded assert.
1101 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1102             Alan Hayward  <alan.hayward@arm.com>
1103             David Sherwood  <david.sherwood@arm.com>
1105         * constexpr.c (cxx_eval_array_reference): Handle polynomial
1106         VECTOR_CST_NELTS.
1107         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1108         * call.c (build_conditional_expr_1): Likewise.
1109         * decl.c (cp_finish_decomp): Likewise.
1110         * mangle.c (write_type): Likewise.
1111         * typeck.c (structural_comptypes): Likewise.
1112         (cp_build_binary_op): Likewise.
1113         * typeck2.c (process_init_constructor_array): Likewise.
1115 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1117         PR c++/83555
1118         * typeck.c (build_static_cast_1): For static casts to reference types,
1119         call build_base_path with flag_delete_null_pointer_checks as nonnull
1120         instead of always false.  When -fsanitize=null, call
1121         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1122         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1123         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1125 2018-01-03  Nathan Sidwell  <nathan@acm.org>
1127         PR c++/83667
1128         * method.c (make_alias_for): Copy DECL_CONTEXT.
1130 2018-01-03  Marek Polacek  <polacek@redhat.com>
1132         PR c++/83592
1133         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1135 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1137         PR preprocessor/83602
1138         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1139         for builtin macros.
1141         PR c++/83634
1142         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1143         error_mark_node, return error_mark_node.
1145         Update copyright years.
1147 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
1149         PR c++/83556
1150         * tree.c (replace_placeholders_r): Pass NULL as last argument to
1151         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
1152         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1153         to false and return.
1154         (replace_placeholders): Pass NULL instead of &pset as last argument
1155         to cp_walk_tree.
1157 2018-01-02  Nathan Sidwell  <nathan@acm.org>
1159         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1160         lval var.
1162 Copyright (C) 2018 Free Software Foundation, Inc.
1164 Copying and distribution of this file, with or without modification,
1165 are permitted in any medium without royalty provided the copyright
1166 notice and this notice are preserved.