PR c++/84662
[official-gcc.git] / gcc / cp / ChangeLog
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1 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
3         PR c++/84662
4         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
5         RETURN instead of return.
6         <case POINTER_PLUS_EXPR>: Likewise.
7         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
8         it instead of wrapping it into CONVERT_EXPR.
10 2018-03-02  Jason Merrill  <jason@redhat.com>
12         Fix MIPS16 ICE.
13         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
15 2018-03-02  Marek Polacek  <polacek@redhat.com>
17         PR c++/84590
18         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
19         wrapped in VIEW_CONVERT_EXPR.
21 2018-03-01  Martin Sebor  <msebor@redhat.com>
23         PR c++/84294
24         * decl.c (check_redeclaration_no_default_args): Merge attributes
25         specified on redeclarations of the same function template.
26         Remove dead code.
28 2018-03-01  Marek Polacek  <polacek@redhat.com>
29             Jason Merrill  <jason@redhat.com>
31         PR c++/84582
32         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
33         a template.
34         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
35         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
36         of instantiate_non_dependent_expr.
37         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
39 2018-03-01  Nathan Sidwell  <nathan@acm.org>
41         PR c++/84434
42         * name-lookup.c (member_vec_dedup): Remove manually peeled
43         iteration.  Ignore dependent ctor inheritance.
45 2018-03-01  Jason Merrill  <jason@redhat.com>
47         PR c++/71569 - decltype of template.
48         * parser.c (cp_parser_decltype_expr): Handle missing template args.
50 2018-03-01  Marek Polacek  <polacek@redhat.com>
52         PR c++/84596
53         * constexpr.c (require_rvalue_constant_expression): New function.
54         * cp-tree.h: Declare it.
55         * semantics.c (finish_static_assert): Use it instead of
56         require_potential_rvalue_constant_expression.
58 2018-03-01  Jason Merrill  <jason@redhat.com>
59             Alexandre Oliva <aoliva@redhat.com>
61         PR c++/71569 - ICE with redundant args on member variable template.
62         * decl.c (start_decl): Handle partial specialization of member
63         variable template.
64         * pt.c (determine_specialization): Allow partial specialization
65         of member variable template without specializing enclosing class.
66         (process_partial_specialization): Improve error message.
68 2018-02-28  Jason Merrill  <jason@redhat.com>
70         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
71         * pt.c (determine_specialization): Check ref-qualifier.
73 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
75         PR c++/84609
76         * parser.c (cp_parser_attributes_opt): Formatting fix.
77         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
78         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
79         New functions.
80         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
81         instead of tentative parse to peek over optional attribute tokens
82         to check for CPP_COLON after them.
84         PR c++/83871
85         PR c++/83503
86         * pt.c (INCLUDE_STRING): Remove define.
87         (warn_spec_missing_attributes): Use pretty_printer instead of
88         std::string.  Fix up inform call so that the list of attributes
89         is in %s argument.
91 2018-02-28  Martin Sebor  <msebor@redhat.com>
93         PR testsuite/84617
94         * decl.c (duplicate_decls): Fully merge attributes const, pure,
95         and malloc.
97 2018-02-28  Nathan Sidwell  <nathan@acm.org>
99         PR c++/84602
100         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
101         * name-lookup.c (fields_linear_search): Look in an anon-aggr
102         regardless of want_type.
103         (search_anon_aggr): Just use get_class_binding_direct.
105 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
107         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
108         inform_n.
110 2018-02-27  Martin Sebor  <msebor@redhat.com>
112         * pt.c: Avoid including <string> directly.
114 2018-02-27  Martin Sebor  <msebor@redhat.com>
116         PR c++/83871
117         PR c++/83503
118         * cp-tree.h (warn_spec_missing_attributes): New function.
119         ((check_explicit_specialization): Add an argument.  Call the above
120         function.
121         * decl.c (duplicate_decls): Avoid applying primary function template's
122         attributes to its explicit specializations.
123         cp/pt.c (warn_spec_missing_attributes): Define.
125 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
127         PR c++/71546 - lambda init-capture with qualified-id.
128         * parser.c (cp_parser_lambda_introducer): Clear scope after
129         each lambda capture.
131 2018-02-27  Nathan Sidwell  <nathan@acm.org>
133         PR c++/84426
134         * name-lookup.h (get_member_slot): Rename ...
135         (find_member_slot): ... here.
136         (add_member_slot): New.
137         * name-lookup.c (member_vec_linear_search): No need to check for
138         NULL slot.
139         (get_member_slot): Rename ...
140         (find_member_slot): ... here.  Don't add slot for incomplete class.
141         (add_member_slot): New.
142         * class.c (add_method): Adjust get_member_slot rename.  Bail out
143         if push_class_level_binding fails.  Create slot and grok
144         properties once we're committed to insertion.
146 2018-02-27  Jason Merrill  <jason@redhat.com>
148         PR c++/84489 - dependent default template argument
149         * pt.c (type_unification_real): Handle early substitution failure.
151 2018-02-26  Jason Merrill  <jason@redhat.com>
153         PR c++/84560 - ICE capturing multi-dimensional VLA.
154         * tree.c (array_of_runtime_bound_p): False if the element is
155         variably-modified.
157         PR c++/84441 - ICE with base initialized from ?:
158         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
160         PR c++/84520 - ICE with generic lambda in NSDMI.
161         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
162         'this' in a generic lambda instantiation.
164         PR c++/84559 - ICE with constexpr VLA.
165         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
166         for constexpr variable with VLA type.
168 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
170         PR c++/84558
171         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
172         a valid constant initializer.  Formatting fixes.
174 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
176         PR c++/84540
177         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
178         returning NULL_TREE.
179         (apply_late_template_attributes): Likewise.
181 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
183         PR c++/84557
184         * parser.c (cp_parser_omp_var_list_no_open): Only call
185         cp_parser_lookup_name_simple on names satisfying identifier_p.
186         (cp_parser_oacc_routine): Likewise.
188 2018-02-26  Jason Merrill  <jason@redhat.com>
190         PR c++/84551 - ICE with concepts and -g.
191         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
193 2018-02-26  Marek Polacek  <polacek@redhat.com>
195         PR c++/84325
196         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
197         non-types.
199 2018-02-26  Jason Merrill  <jason@redhat.com>
201         PR c++/84447 - ICE with deleted inherited ctor with default arg.
202         * call.c (build_over_call): Handle deleted functions in one place.
204 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
206         PR c++/84533
207         * decl.c (redeclaration_error_message): Don't try to use
208         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
210 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
212         * lambda.c (build_capture_proxy): Define static.
213         * cp-tree.h (build_capture_proxy): Remove.
215 2018-02-26  Marek Polacek  <polacek@redhat.com>
217         PR c++/84537
218         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
219         if name is error node.
221 2018-02-25  Jason Merrill  <jason@redhat.com>
223         PR c++/84015 - ICE with class deduction and auto template parm.
224         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
226 2018-02-24  Marek Polacek  <polacek@redhat.com>
228         PR c++/83692
229         * constexpr.c (maybe_constant_init_1): New function.
230         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
231         (cxx_constant_init): New function.
232         * cp-tree.h (cxx_constant_init): Declare.
233         * typeck2.c (store_init_value): Call cxx_constant_init instead of
234         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
236 2018-02-22  Jason Merrill  <jason@redhat.com>
238         PR c++/70468 - ICE with constructor delegation via typedef.
239         * pt.c (tsubst_initializer_list): Check for other mem-initializers
240         with constructor delegation.
242 2018-02-22  Jason Merrill  <jason@redhat.com>
244         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
245         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
246         VECTOR_TYPE.
248 2018-02-22  Marek Polacek  <polacek@redhat.com>
250         PR c++/84493
251         * parser.c (cp_parser_braced_list): Use require_open instead of
252         consume_open.
254 2018-02-21  Jason Merrill  <jason@redhat.com>
256         PR c++/84454 - ICE with pack expansion in signature.
257         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
259 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
261         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
262         IF_STMT.
264 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
266         PR c++/84446
267         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
268         on error_mark_node.
270 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
272         PR c++/84445
273         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
274         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
276         PR c++/84449
277         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
278         returns error_mark_node, return it immediately.
279         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
280         error_mark_node, return error_mark_node.
282         PR c++/84455
283         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
284         function_depth to avoid GC during finish_lambda_function.
286 2018-02-19  Jason Merrill  <jason@redhat.com>
288         PR c++/84429 - ICE capturing VLA.
289         * lambda.c (build_capture_proxy): Handle reference refs.
291 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
293         PR c++/84448
294         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
295         either operand is error_mark_node, set current.lhs to that instead of
296         creating a binary op with error_mark_node operands.
298         PR c++/84430
299         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
301 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
303         PR c++/84348
304         * decl.c (grokdeclarator): Early return error_mark_node upon
305         ill-formed friend declaration.
307 2018-02-16  Marek Polacek  <polacek@redhat.com>
308             Jakub Jelinek  <jakub@redhat.com>
310         PR c++/84192
311         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
312         set *jump_target to anything if jump_target is NULL.
314 2018-02-16  Jason Merrill  <jason@redhat.com>
316         PR c++/84151 - unnecessary volatile load with static member.
317         * call.c (build_new_method_call_1): Avoid loading from a volatile
318         lvalue used as the object argument for a static member function.
320         PR c++/81853 - using-directive and constexpr.
321         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
323         PR c++/84420 - ICE with structured binding in lambda.
324         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
326         PR c++/83835 - C++17 error with constructor ctors.
327         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
329         PR c++/82664 - ICE with reference to function template parm.
330         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
331         NOP_EXPRs.
333         PR c++/82764 - C++17 ICE with empty base
334         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
336 2018-02-16  Jason Merrill  <jason@redhat.com>
338         PR c++/84421 - type-dependent if constexpr
339         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
341 2018-02-16  Nathan Sidwell  <nathan@acm.org>
343         Deprecate -ffriend-injection.
344         * decl.c (cxx_init_decl_processing): Emit warning on option.
345         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
346         friend.
348 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
350         PR c++/82468
351         * decl.c (check_special_function_return_type): Reject template
352         template parameter in deduction guide.
354 2018-02-16  Nathan Sidwell  <nathan@acm.org>
356         PR c++/84375
357         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
359 2018-02-15  Jason Merrill  <jason@redhat.com>
361         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
362         * call.c (convert_like_real): Don't use the copy-list-initialization
363         shortcut for ck_base.
365         PR c++/84045 - ICE with typedef and noexcept.
366         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
368         PR c++/84376 - ICE with omitted template arguments.
369         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
371         PR c++/84368 - wrong error with local variable in variadic lambda.
372         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
373         local_specializations.
375 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
377         PR c++/84330
378         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
379         as first argument.
381 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
383         PR c++/84350
384         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
385         init, early return.
387 2018-02-14  Nathan Sidwell  <nathan@acm.org>
389         * decl2.c (mark_vtable_entries): Set input_location to decl's.
390         (c_parse_final_cleanups): Restore input_location after emitting
391         vtables.
393 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
395         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
396         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
397         auto_deduction_context, tree, int): Add defaults.
398         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
399         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
400         tsubst_flags_t argument.
401         * init.c (build_new): Likewise.
403 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
405         PR c++/84364
406         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
407         about return other than *this in assignment operators if
408         retval is type dependent expression.
410 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
412         PR c++/84333
413         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
414         save_expr for the G++ extension.
416 2018-02-13  Jason Merrill  <jason@redhat.com>
418         PR c++/84080 - ICE with return type deduction and specialization.
419         * pt.c (determine_specialization): Check uses_template_parms.
421         Fix more variadic capture issues.
422         * pt.c (find_parameter_packs_r): Also look at explicit captures.
423         (check_for_bare_parameter_packs): Check current_class_type for
424         lambda context.
425         (extract_locals_r): Handle seeing a full instantiation of a pack.
426         (tsubst_pack_expansion): Likewise.  Force lambda capture.
427         * parser.c (cp_parser_lambda_introducer): Don't
428         check_for_bare_parameter_packs.
430         PR c++/84338 - wrong variadic sizeof.
431         * pt.c (argument_pack_select_arg): Like the macro, but look through
432         a pack expansion.
433         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
434         (extract_fnparm_pack): Do make_pack_expansion.
435         (extract_locals_r): Do strip a pack expansion.
436         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
438 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
440         PR c++/84341
441         * parser.c (cp_parser_binary_expression): Use build_min instead of
442         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
444 2018-02-12  Nathan Sidwell  <nathan@acm.org>
446         PR c++/84263
447         * parser.c (cp_parser_decltype): Push and pop
448         deferring_access_checks.  Reorganize to avoid goto.
450 2018-02-12  Richard Biener  <rguenther@suse.de>
452         PR c++/84281
453         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
454         uniform constructors and delay allocating them fully.
456 2018-02-09  Jason Merrill  <jason@redhat.com>
458         PR c++/84036 - ICE with variadic capture.
459         Handle variadic capture proxies more like non-variadic.
460         * lambda.c (build_capture_proxy): Remove workaround.
461         * pt.c (find_parameter_packs_r): The proxy is a pack.
462         (instantiate_class_template_1): Remove dead lambda code.
463         (extract_fnparm_pack): Don't make_pack_expansion.
464         (extract_locals_r): Don't strip a pack expansion.
465         (tsubst_pack_expansion): Handle proxy packs.  Use
466         PACK_EXPANSION_EXTRA_ARGS less.
467         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
468         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
469         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
470         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
471         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
473 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
475         PR sanitizer/83987
476         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
478 2018-02-09  Jason Merrill  <jason@redhat.com>
480         PR c++/81917 - ICE with void_t and partial specialization.
481         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
482         calling most_specialized_partial_spec.
484 2018-02-09  Nathan Sidwell  <nathan@acm.org>
486         PR c/84293
487         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
488         Pass expr location to strict_aliasing_warning.
490 2018-02-09  Jason Merrill  <jason@redhat.com>
492         PR c++/84296 - ICE with qualified-id in template.
493         PR c++/83714
494         * pt.c (unknown_base_ref_p): New.
495         (instantiation_dependent_scope_ref_p): Use it instead of
496         any_dependent_bases_p.
498 2018-02-09  Marek Polacek  <polacek@redhat.com>
499             Jakub Jelinek  <jakub@redhat.com>
501         PR c++/83659
502         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
503         fold_indirect_ref_1, including poly_*int64.  Verify first that
504         tree_fits_poly_int64_p (op01).  Formatting fixes.
506 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
508         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
509         * lambda.c (build_capture_proxy): Likewise.
510         * search.c (field_access_p): Likewise.
511         * semantics.c (omp_clause_decl, omp_privatize_field,
512         finish_omp_clauses): Likewise.
514 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
516         PR c++/83806
517         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
518         case of nullptr too.
520 2018-02-08  Nathan Sidwell  <nathan@acm.org>
522         * class.c (finish_struct): Fix std:initializer_list diagnostic
523         formatting.
525 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
527         PR c++/83204
528         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
530 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
532         PR c++/84082
533         * parser.c (cp_parser_dot_deref_incomplete): New function.
534         (cp_parser_postfix_dot_deref_expression): Use it.
536 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
538         PR c++/81610
539         PR c++/80567
540         * name-lookup.c (suggest_rid_p): New function.
541         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
542         suggest_rid_p.
544 2018-02-07  Jason Merrill  <jason@redhat.com>
546         PR c++/84182 - ICE with captured lambda
547         PR c++/84181
548         * pt.c (extract_locals_r, extract_local_specs): New.
549         (tsubst_pack_expansion): Use them.
551 2018-02-07  Martin Liska  <mliska@suse.cz>
553         PR c++/84059.
554         * class.c (add_method): Append argument value.
555         * cp-tree.h (maybe_version_functions): Add new argument.
556         * decl.c (decls_match): Call it if a declaration does not
557         have DECL_FUNCTION_VERSIONED.
558         (maybe_version_functions): record argument is added.
560 2018-02-05  Marek Polacek  <polacek@redhat.com>
562         * class.c: Remove unused global variables.
563         (build_primary_vtable): Don't gather statistics.
564         (print_class_statistics): Remove.
565         * cp-tree.h (print_class_statistics): Remove.
566         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
568 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
570         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
571         * constexpr.c (cx_check_missing_mem_inits): Likewise.
572         * decl.c (next_initializable_field, find_decomp_class_base,
573         cp_finish_decomp): Likewise.
574         * typeck2.c (process_init_constructor_record): Likewise.
576 2018-02-02  Jason Merrill  <jason@redhat.com>
578         PR c++/84181 - ICE with lambda parm in template argument.
579         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
581 2018-02-01  Jason Merrill  <jason@redhat.com>
583         PR c++/84160 - ICE with nested variadic capture.
584         * lambda.c (is_capture_proxy_with_ref): New.
585         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
586         COMPONENT_REF.
587         * expr.c (mark_use): Use is_capture_proxy_with_ref.
588         * constexpr.c (potential_constant_expression_1): Likewise.
589         * semantics.c (process_outer_var_ref): Likewise.
591 2018-02-01  Marek Polacek  <polacek@redhat.com>
593         PR c++/84125
594         * typeck.c (build_address): Relax the assert when
595         processing_template_decl.
597 2018-02-01  Jason Merrill  <jason@redhat.com>
599         PR c++/84126 - ICE with variadic generic lambda
600         PR c++/84036
601         PR c++/82249
602         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
603         PACK_EXPANSION_EXTRA_ARGS.
605 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
607         PR c++/83796
608         * call.c (convert_like_real): If w're initializing from {} explicitly
609         call abstract_virtuals_error_sfinae.
611 2018-01-31  Jason Merrill  <jason@redhat.com>
612             Jakub Jelinek  <jakub@redhat.com>
614         PR c++/83993
615         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
616         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
617         on ADDR_EXPR.
619 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
621         PR c++/83993
622         * constexpr.c (diag_array_subscript): Emit different diagnostics
623         if TYPE_DOMAIN (arraytype) is NULL.
624         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
625         with NULL TYPE_DOMAIN use size_zero_node as nelts.
627 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
629         PR c++/84092
630         * semantics.c (finish_qualified_id_expr): When handling an
631         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
633 2018-01-31  Marek Polacek  <polacek@redhat.com>
635         PR c++/84138
636         * cp-gimplify.c (cp_fold): Check if X is an error node before
637         calling useless_type_conversion_p.
639 2018-01-30  Jason Merrill  <jason@redhat.com>
641         PR c++/84091 - ICE with local class in lambda in template.
642         * decl2.c (determine_visibility): Look for outer containing template
643         instantiation.
645         PR c++/84098 - ICE with lambda in template NSDMI.
646         * pt.c (instantiate_class_template_1): Ignore more lambdas.
648 2018-01-29  Jason Merrill  <jason@redhat.com>
650         PR c++/68810 - wrong location for reinterpret_cast error.
651         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
652         !dofold.
654 2018-01-29  Marek Polacek  <polacek@redhat.com>
656         PR c++/83996
657         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
658         => fooarray[1] in offset_int.
660 2018-01-29  Jason Merrill  <jason@redhat.com>
662         PR c++/83942 - wrong unused warning with static_cast.
663         * cvt.c (ocp_convert): Call mark_rvalue_use.
665 2018-01-26  Jason Merrill  <jason@redhat.com>
667         PR c++/83956 - wrong dtor error with anonymous union
668         * method.c (walk_field_subobs): Variant members only affect
669         deletedness.
670         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
672         PR c++/84036 - ICE with variadic capture.
673         PR c++/82249
674         * pt.c (tsubst_pack_expansion): When optimizing a simple
675         substitution, pull a single pack expansion out of its pack.
677         PR c++/82514 - ICE with local class in generic lambda.
678         * pt.c (regenerated_lambda_fn_p): Remove.
679         (enclosing_instantiation_of): Don't use it.
680         (tsubst_function_decl): Call enclosing_instantiation_of.
682         * pt.c (lookup_template_class_1): Add sanity check.
683         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
685 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
687         PR c++/84031
688         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
689         recursive calls that return ret.
690         (cp_finish_decomp): Ignore unnamed bitfields.
692 2018-01-23  Jason Merrill  <jason@redhat.com>
694         PR c++/82249 - wrong mismatched pack length error.
695         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
696         unsubstituted function parameter pack.
698 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
700         PR c++/83921
701         * decl.c (check_for_uninitialized_const_var): Not static; add
702         bool and tsubst_flags_t parameters; adjust to be used both in
703         constexpr context and not.
704         * constexpr.c (potential_constant_expression_1): Use the above.
705         * cp-tree.h (check_for_uninitialized_const_var): Declare.
707 2018-01-23  Jason Merrill  <jason@redhat.com>
709         PR c++/83947 - ICE with auto declarations.
710         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
711         * decl.c (undeduced_auto_decl): Limit to vars and fns.
713 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
715         PR c++/83974
716         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
717         for pointer to member function types.
719 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
721         PR sanitizer/83987
722         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
723         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
725 2018-01-23  Nathan Sidwell  <nathan@acm.org>
727         PR c++/83988
728         * pt.c (tsubst_baselink): Remove optype assert.
729         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
731 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
733         PR c++/83958
734         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
735         refers to incomplete type.
737 2018-01-23  Nathan Sidwell  <nathan@acm.org>
739         Deprecate ARM-era for scope handling
740         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
741         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
742         cleared.
743         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
744         cleanup handling.
745         * semantics.c (begin_for_scope): Flag_new_for_scope is
746         boolean-like.
747         (finish_for_stmt, begin_range_for_stmt): Likewise.
749 2018-01-22  Jason Merrill  <jason@redhat.com>
751         PR c++/83720
752         * decl2.c (determine_visibility): Fix template_decl handling
753         instead of blocking it.
755         PR c++/83720 - ICE with lambda and LTO.
756         * decl2.c (determine_visibility): Clear template_decl for
757         function-scope decls.  Propagate anonymous linkage from containing
758         function.
760 2018-01-22  Marek Polacek  <polacek@redhat.com>
762         PR c++/81933
763         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
764         split out anything.
766 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
768         PR c++/83895
769         * decl.c (grokdeclarator): Don't diagnose extra parens
770         on typedefs.
772 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
774         PR c++/81167
775         * call.c (joust): Use TREE_TYPE (source) if source is
776         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
778         PR c++/83919
779         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
780         for direct enum init.
781         * decl.c (reshape_init): Likewise.
783 2018-01-19  Marek Polacek  <polacek@redhat.com>
785         * constexpr.c (fold_simple): Simplify.
787 2018-01-18  Jason Merrill  <jason@redhat.com>
789         PR c++/83714
790         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
791         * pt.c (instantiation_dependent_scope_ref_p): True if
792         any_dependent_bases_p.
794 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
796         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
797         vs DECL_NONTRIVIALLY_INITIALIZED_P).
799 2018-01-18  Jason Merrill  <jason@redhat.com>
801         PR c++/82461 - constexpr list-initialized member
802         * constexpr.c (potential_constant_expression_1): Check
803         TARGET_EXPR_DIRECT_INIT_P.
805 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
807         PR c++/81013
808         * decl.c (xref_basetypes): Early return upon error about derived
809         union.
811 2018-01-18  Nathan Sidwell  <nathan@acm.org>
813         PR c++/83160
814         * cp-tree.h (mark_use): Declare.
815         * expr.c (mark_use): Make extern.
816         * call.c (direct_reference_binding): Set inner conv's
817         rvaluedness_matches_p, if it is an identity.
818         (convert_like_real): Mark lvalue or rvalue use for identity as
819         rvaledness_matches_p demands.
821 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
823         PR c++/83824
824         * parser.c (attr_chainon): New function.
825         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
826         cp_parser_namespace_definition, cp_parser_init_declarator,
827         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
828         cp_parser_gnu_attributes_opt): Use it.
829         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
830         cp_parser_objc_struct_declaration): Likewise.  Don't reset
831         prefix_attributes if attributes is error_mark_node.
833 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
835         PR c++/78344
836         * decl.c (grokdeclarator): Do not append the error_mark_node
837         due to an erroneous optional attribute-specifier-seq.
839 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
841         PR c++/83897
842         * cp-gimplify.c (cp_maybe_instrument_return): Handle
843         CLEANUP_POINT_EXPR.
845 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
847         PR c++/81054
848         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
849         error_mark_node when we give an error.
850         * decl.c (cp_finish_decl): Use the latter.
852 2018-01-17  Nathan Sidwell  <nathan@acm.org>
854         PR c++/83287
855         * init.c (build_raw_new_expr): Scan list for lookups to keep.
857 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
859         PR c++/83814
860         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
861         the C++ part.  If processing a template, call
862         fold_non_dependent_expr rather than fully folding.
864 2018-01-17  Jason Merrill  <jason@redhat.com>
866         PR c++/81067 - redundant NULL warning.
867         * call.c (convert_like_real): Restore null_node handling.
869 2018-01-17  Jason Merrill  <jason@redhat.com>
871         PR c++/81843 - ICE with variadic member template.
872         PR c++/72801
873         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
874         template args.
876 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
878         PR c++/83799
879         * pt.c (type_dependent_expression_p): Strip any location wrapper
880         before testing tree codes.
881         (selftest::test_type_dependent_expression_p): New function.
882         (selftest::cp_pt_c_tests): Call it.
884 2018-01-17  Nathan Sidwell  <nathan@acm.org>
886         PR c++/83739
887         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
888         this not a final instantiation.
890 2018-01-16  Jason Merrill  <jason@redhat.com>
892         PR c++/83714 - ICE checking return in template.
893         * typeck.c (check_return_expr): Call build_non_dependent_expr.
895 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
897         PR c++/83817
898         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
899         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
900         instead of CALL_FROM_THUNK_P.
902         PR c++/83825
903         * name-lookup.c (member_vec_dedup): Return early if len is 0.
904         (resort_type_member_vec, set_class_bindings,
905         insert_late_enum_def_bindings): Use vec qsort method instead of
906         calling qsort directly.
908 2018-01-15  Martin Sebor  <msebor@redhat.com>
910         PR c++/83588
911         * class.c (find_flexarrays): Make a record of multiple flexible array
912         members.
914 2018-01-12  Jason Merrill  <jason@redhat.com>
916         PR c++/83186 - ICE with static_cast of list-initialized temporary.
917         * typeck.c (build_static_cast): Use build_non_dependent_expr.
919 2018-01-12  Nathan Sidwell  <nathan@acm.org>
921         * cp-tree.h (mark_rvalue_use): Add parm name.
922         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
923         mark_rvalue_use.
924         * call.c (convert_like_real): Fix formatting.
926 2018-01-11  Jason Merrill  <jason@redhat.com>
928         PR c++/82728 - wrong -Wunused-but-set-variable
929         PR c++/82799
930         PR c++/83690
931         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
932         * decl.c (case_conversion): Likewise.
933         * semantics.c (finish_static_assert): Call
934         perform_implicit_conversion_flags.
936 2018-01-11  Nathan Sidwell  <nathan@acm.org>
938         * method.c (enum mangling_flags): Delete long-dead enum.
940 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
942         * parser.c (cp_parser_std_attribute_spec): When
943         token_pair::require_open / require_close return false simply
944         return error_mark_node, avoid duplicate cp_parser_error about
945         expected '(' / ')', respectively.
947 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
949         PR c++/43486
950         * call.c (null_ptr_cst_p): Strip location wrappers when
951         converting from '0' to a pointer type in C++11 onwards.
952         (conversion_null_warnings): Replace comparison with null_node with
953         call to null_node_p.
954         (build_over_call): Likewise.
955         * cp-gimplify.c (cp_fold): Remove the early bailout when
956         processing_template_decl.
957         * cp-lang.c (selftest::run_cp_tests): Call
958         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
959         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
960         (selftest::run_cp_tests): Move decl to bottom of file.
961         (null_node_p): New inline function.
962         (selftest::cp_pt_c_tests): New decl.
963         (selftest::cp_tree_c_tests): New decl.
964         * cvt.c (build_expr_type_conversion): Replace comparison with
965         null_node with call to null_node_p.
966         * error.c (args_to_string): Likewise.
967         * except.c (build_throw): Likewise.
968         * mangle.c (write_expression): Skip location wrapper nodes.
969         * parser.c (literal_integer_zerop): New function.
970         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
971         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
972         param of cp_parser_parenthesized_expression_list.  When calling
973         warn_for_memset, replace integer_zerop calls with
974         literal_integer_zerop, eliminating the double logical negation
975         cast to bool.  Eliminate the special-casing for CONST_DECL in
976         favor of the fold_for_warn within warn_for_memset.
977         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
978         param, defaulting to false.  Convert "expr" to a cp_expr, and call
979         maybe_add_location_wrapper on it when wrap_locations_p is true.
980         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
981         the result for RID_ALIGNOF and RID_SIZEOF.
982         (cp_parser_builtin_offsetof): Likewise.
983         * pt.c: Include "selftest.h".
984         (tsubst_copy): Handle location wrappers.
985         (tsubst_copy_and_build): Likewise.
986         (build_non_dependent_expr): Likewise.
987         (selftest::test_build_non_dependent_expr): New function.
988         (selftest::cp_pt_c_tests): New function.
989         * tree.c: Include "selftest.h".
990         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
991         (selftest::test_lvalue_kind): New function.
992         (selftest::cp_tree_c_tests): New function.
993         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
994         (cp_build_binary_op): Replace comparison with null_node with call
995         to null_node_p.
996         (build_address): Use location of operand when building address
997         expression.
999 2018-01-10  Marek Polacek  <polacek@redhat.com>
1001         PR c++/82541
1002         * call.c (build_conditional_expr_1): Check complain before warning.
1003         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1004         -Wduplicated-branches.
1006 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
1008         PR c++/81327
1009         * call.c (maybe_warn_class_memaccess): Add forward declaration.
1010         Change last argument from tree * to const vec<tree, va_gc> *, adjust
1011         args uses and check number of operands too.  Don't strip away any
1012         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
1013         Deal with src argument not having pointer type.  Check
1014         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
1015         test.
1016         (build_over_call): Call maybe_warn_class_memaccess here on the
1017         original arguments.
1018         (build_cxx_call): Rather than here on converted arguments.
1020 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
1022         PR c++/81055
1023         * init.c (build_vec_init): Avoid building an INIT_EXPR with
1024         error_mark_node as second argument.
1026 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
1028         PR c++/83734
1029         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1030         in STATEMENT_LIST.  Remove unneeded assert.
1032 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
1033             Alan Hayward  <alan.hayward@arm.com>
1034             David Sherwood  <david.sherwood@arm.com>
1036         * constexpr.c (cxx_eval_array_reference): Handle polynomial
1037         VECTOR_CST_NELTS.
1038         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1039         * call.c (build_conditional_expr_1): Likewise.
1040         * decl.c (cp_finish_decomp): Likewise.
1041         * mangle.c (write_type): Likewise.
1042         * typeck.c (structural_comptypes): Likewise.
1043         (cp_build_binary_op): Likewise.
1044         * typeck2.c (process_init_constructor_array): Likewise.
1046 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1048         PR c++/83555
1049         * typeck.c (build_static_cast_1): For static casts to reference types,
1050         call build_base_path with flag_delete_null_pointer_checks as nonnull
1051         instead of always false.  When -fsanitize=null, call
1052         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1053         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1054         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1056 2018-01-03  Nathan Sidwell  <nathan@acm.org>
1058         PR c++/83667
1059         * method.c (make_alias_for): Copy DECL_CONTEXT.
1061 2018-01-03  Marek Polacek  <polacek@redhat.com>
1063         PR c++/83592
1064         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1066 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
1068         PR preprocessor/83602
1069         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1070         for builtin macros.
1072         PR c++/83634
1073         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1074         error_mark_node, return error_mark_node.
1076         Update copyright years.
1078 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
1080         PR c++/83556
1081         * tree.c (replace_placeholders_r): Pass NULL as last argument to
1082         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
1083         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1084         to false and return.
1085         (replace_placeholders): Pass NULL instead of &pset as last argument
1086         to cp_walk_tree.
1088 2018-01-02  Nathan Sidwell  <nathan@acm.org>
1090         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1091         lval var.
1093 Copyright (C) 2018 Free Software Foundation, Inc.
1095 Copying and distribution of this file, with or without modification,
1096 are permitted in any medium without royalty provided the copyright
1097 notice and this notice are preserved.