1 2018-03-12 Jason Merrill <jason@redhat.com>
3 PR c++/84355 - ICE with deduction for member class template.
4 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
5 CLASS_PLACEHOLDER_TEMPLATE.
7 PR c++/84802 - ICE capturing uninstantiated class.
8 * lambda.c (build_capture_proxy): Call complete_type.
10 2018-03-09 Jason Merrill <jason@redhat.com>
12 PR c++/84770 - ICE with typedef and parameter pack.
13 * pt.c (verify_unstripped_args_1): Split out from
14 verify_unstripped_args.
16 PR c++/84785 - ICE with alias template and default targs.
17 * pt.c (type_unification_real): Set processing_template_decl if
20 PR c++/84752 - ICE with capture of constexpr array.
21 * call.c (standard_conversion): Set rvaluedness_matches_p on the
22 identity conversion under ck_lvalue.
24 2018-03-09 Jason Merrill <jason@redhat.com>
25 Paolo Carlini <paolo.carlini@oracle.com>
29 * pt.c (any_erroneous_template_args_p): New.
30 * cp-tree.h (any_erroneous_template_args_p): Declare it.
31 * parser.c (cp_parser_class_specifier_1): Use it.
33 2018-03-09 Jason Merrill <jason@redhat.com>
35 PR c++/84726 - unnecessary capture of constant vars.
36 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
37 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
38 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
39 * lambda.c (is_constant_capture_proxy)
40 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
41 (prune_lambda_captures): New.
42 (finish_lambda_function): Call prune_lambda_captures.
44 2018-03-09 Jason Merrill <jason@redhat.com>
45 Jakub Jelinek <jakub@redhat.com>
48 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
49 build ADDR_EXPR with REFERENCE_TYPE.
50 (build_over_call): For purposes of check_function_arguments, if
51 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
52 its operand rather than the argument itself.
54 2018-03-09 Jakub Jelinek <jakub@redhat.com>
57 * decl.c (duplicate_decls): Don't override __* prefixed builtins
58 except for __[^b]*_chk, instead issue permerror and for -fpermissive
59 also a note and return olddecl.
61 2018-03-09 Nathan Sidwell <nathan@acm.org>
64 * name-lookup.c (do_pushdecl_with_scope): Only clear
65 current_function_decl when pushing a non-class (i.e. namespace)
68 2018-03-08 Jason Merrill <jason@redhat.com>
69 Jakub Jelinek <jakub@redhat.com>
72 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
73 not calling mark_used for the benefit of -Wunused-function warning.
75 2018-03-06 Jason Merrill <jason@redhat.com>
77 * lambda.c (is_capture_proxy_with_ref): Remove.
78 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
80 2018-03-06 Marek Polacek <polacek@redhat.com>
83 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
86 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
89 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
90 only while processing template decls.
91 * typeck.c (build_x_conditional_expr): Move wrapping of
92 reference type around type...
93 * call.c (build_conditional_expr_1): ... here. Rename
94 is_lvalue to is_glvalue.
95 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
96 INDIRECT_REF of COND_EXPR too.
99 * init.c (build_zero_init_1): Zero-initialize references.
102 * semantics.c (finish_stmt_expr_expr): Reject unresolved
103 overloads used as stmt expr values.
105 2018-03-05 Jason Merrill <jason@redhat.com>
107 PR c++/84708 - ICE with lambda in local class NSDMI.
108 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
111 2018-03-05 Jakub Jelinek <jakub@redhat.com>
114 * constexpr.c (constexpr_call_hasher::equal): Return false if
115 lhs->hash != rhs->hash. Change return 1 to return true and
116 return 0 to return false.
118 2018-03-05 Nathan Sidwell <nathan@acm.org>
121 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
123 2018-03-05 Marek Polacek <polacek@redhat.com>
126 * decl.c (duplicate_decls): Check DECL_NAME before accessing
129 2018-03-05 Nathan Sidwell <nathan@acm.org>
132 * friend.c (do_friend): Restore check for identifier_p inside
135 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
138 * parser.c (cp_parser_lambda_introducer): Reject any capture not
139 involving a VAR_DECL or a PARM_DECL.
141 2018-03-05 Pádraig Brady <P@draigBrady.com>
142 Jason Merrill <jason@redhat.com>
143 Nathan Sidwell <nathan@acm.org>
146 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
148 2018-03-03 Jason Merrill <jason@redhat.com>
150 PR c++/84686 - missing volatile loads.
151 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
153 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
156 * optimize.c (maybe_thunk_body): Bail out immediately if either
157 fns[0] or fns[1] is null.
159 2018-03-02 Marek Polacek <polacek@redhat.com>
162 * constexpr.c (get_array_or_vector_nelts): New.
163 (cxx_eval_array_reference): Use it.
164 (cxx_eval_vec_init_1): Likewise.
165 (cxx_eval_store_expression): Likewise.
167 2018-03-02 Jason Merrill <jason@redhat.com>
169 * semantics.c (force_paren_expr): Remove redundant test.
171 2018-03-02 Marek Polacek <polacek@redhat.com>
174 * decl.c (cp_complete_array_type): Check error_mark_node.
177 * typeck.c (cp_perform_integral_promotions): Check the result of
180 2018-03-02 Jakub Jelinek <jakub@redhat.com>
183 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
184 RETURN instead of return.
185 <case POINTER_PLUS_EXPR>: Likewise.
186 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
187 it instead of wrapping it into CONVERT_EXPR.
189 2018-03-02 Jason Merrill <jason@redhat.com>
192 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
194 2018-03-02 Marek Polacek <polacek@redhat.com>
197 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
198 wrapped in VIEW_CONVERT_EXPR.
200 2018-03-01 Martin Sebor <msebor@redhat.com>
203 * decl.c (check_redeclaration_no_default_args): Merge attributes
204 specified on redeclarations of the same function template.
207 2018-03-01 Marek Polacek <polacek@redhat.com>
208 Jason Merrill <jason@redhat.com>
211 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
213 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
214 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
215 of instantiate_non_dependent_expr.
216 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
218 2018-03-01 Nathan Sidwell <nathan@acm.org>
221 * name-lookup.c (member_vec_dedup): Remove manually peeled
222 iteration. Ignore dependent ctor inheritance.
224 2018-03-01 Jason Merrill <jason@redhat.com>
226 PR c++/71569 - decltype of template.
227 * parser.c (cp_parser_decltype_expr): Handle missing template args.
229 2018-03-01 Marek Polacek <polacek@redhat.com>
232 * constexpr.c (require_rvalue_constant_expression): New function.
233 * cp-tree.h: Declare it.
234 * semantics.c (finish_static_assert): Use it instead of
235 require_potential_rvalue_constant_expression.
237 2018-03-01 Jason Merrill <jason@redhat.com>
238 Alexandre Oliva <aoliva@redhat.com>
240 PR c++/71569 - ICE with redundant args on member variable template.
241 * decl.c (start_decl): Handle partial specialization of member
243 * pt.c (determine_specialization): Allow partial specialization
244 of member variable template without specializing enclosing class.
245 (process_partial_specialization): Improve error message.
247 2018-02-28 Jason Merrill <jason@redhat.com>
249 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
250 * pt.c (determine_specialization): Check ref-qualifier.
252 2018-02-28 Jakub Jelinek <jakub@redhat.com>
255 * parser.c (cp_parser_attributes_opt): Formatting fix.
256 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
257 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
259 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
260 instead of tentative parse to peek over optional attribute tokens
261 to check for CPP_COLON after them.
265 * pt.c (INCLUDE_STRING): Remove define.
266 (warn_spec_missing_attributes): Use pretty_printer instead of
267 std::string. Fix up inform call so that the list of attributes
270 2018-02-28 Martin Sebor <msebor@redhat.com>
273 * decl.c (duplicate_decls): Fully merge attributes const, pure,
276 2018-02-28 Nathan Sidwell <nathan@acm.org>
279 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
280 * name-lookup.c (fields_linear_search): Look in an anon-aggr
281 regardless of want_type.
282 (search_anon_aggr): Just use get_class_binding_direct.
284 2018-02-28 Jakub Jelinek <jakub@redhat.com>
286 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
289 2018-02-27 Martin Sebor <msebor@redhat.com>
291 * pt.c: Avoid including <string> directly.
293 2018-02-27 Martin Sebor <msebor@redhat.com>
297 * cp-tree.h (warn_spec_missing_attributes): New function.
298 ((check_explicit_specialization): Add an argument. Call the above
300 * decl.c (duplicate_decls): Avoid applying primary function template's
301 attributes to its explicit specializations.
302 cp/pt.c (warn_spec_missing_attributes): Define.
304 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
306 PR c++/71546 - lambda init-capture with qualified-id.
307 * parser.c (cp_parser_lambda_introducer): Clear scope after
310 2018-02-27 Nathan Sidwell <nathan@acm.org>
313 * name-lookup.h (get_member_slot): Rename ...
314 (find_member_slot): ... here.
315 (add_member_slot): New.
316 * name-lookup.c (member_vec_linear_search): No need to check for
318 (get_member_slot): Rename ...
319 (find_member_slot): ... here. Don't add slot for incomplete class.
320 (add_member_slot): New.
321 * class.c (add_method): Adjust get_member_slot rename. Bail out
322 if push_class_level_binding fails. Create slot and grok
323 properties once we're committed to insertion.
325 2018-02-27 Jason Merrill <jason@redhat.com>
327 PR c++/84489 - dependent default template argument
328 * pt.c (type_unification_real): Handle early substitution failure.
330 2018-02-26 Jason Merrill <jason@redhat.com>
332 PR c++/84560 - ICE capturing multi-dimensional VLA.
333 * tree.c (array_of_runtime_bound_p): False if the element is
336 PR c++/84441 - ICE with base initialized from ?:
337 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
339 PR c++/84520 - ICE with generic lambda in NSDMI.
340 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
341 'this' in a generic lambda instantiation.
343 PR c++/84559 - ICE with constexpr VLA.
344 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
345 for constexpr variable with VLA type.
347 2018-02-26 Jakub Jelinek <jakub@redhat.com>
350 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
351 a valid constant initializer. Formatting fixes.
353 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
356 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
358 (apply_late_template_attributes): Likewise.
360 2018-02-26 Jakub Jelinek <jakub@redhat.com>
363 * parser.c (cp_parser_omp_var_list_no_open): Only call
364 cp_parser_lookup_name_simple on names satisfying identifier_p.
365 (cp_parser_oacc_routine): Likewise.
367 2018-02-26 Jason Merrill <jason@redhat.com>
369 PR c++/84551 - ICE with concepts and -g.
370 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
372 2018-02-26 Marek Polacek <polacek@redhat.com>
375 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
378 2018-02-26 Jason Merrill <jason@redhat.com>
380 PR c++/84447 - ICE with deleted inherited ctor with default arg.
381 * call.c (build_over_call): Handle deleted functions in one place.
383 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
386 * decl.c (redeclaration_error_message): Don't try to use
387 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
389 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
391 * lambda.c (build_capture_proxy): Define static.
392 * cp-tree.h (build_capture_proxy): Remove.
394 2018-02-26 Marek Polacek <polacek@redhat.com>
397 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
398 if name is error node.
400 2018-02-25 Jason Merrill <jason@redhat.com>
402 PR c++/84015 - ICE with class deduction and auto template parm.
403 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
405 2018-02-24 Marek Polacek <polacek@redhat.com>
408 * constexpr.c (maybe_constant_init_1): New function.
409 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
410 (cxx_constant_init): New function.
411 * cp-tree.h (cxx_constant_init): Declare.
412 * typeck2.c (store_init_value): Call cxx_constant_init instead of
413 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
415 2018-02-22 Jason Merrill <jason@redhat.com>
417 PR c++/70468 - ICE with constructor delegation via typedef.
418 * pt.c (tsubst_initializer_list): Check for other mem-initializers
419 with constructor delegation.
421 2018-02-22 Jason Merrill <jason@redhat.com>
423 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
424 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
427 2018-02-22 Marek Polacek <polacek@redhat.com>
430 * parser.c (cp_parser_braced_list): Use require_open instead of
433 2018-02-21 Jason Merrill <jason@redhat.com>
435 PR c++/84454 - ICE with pack expansion in signature.
436 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
438 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
440 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
443 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
446 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
449 2018-02-20 Jakub Jelinek <jakub@redhat.com>
452 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
453 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
456 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
457 returns error_mark_node, return it immediately.
458 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
459 error_mark_node, return error_mark_node.
462 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
463 function_depth to avoid GC during finish_lambda_function.
465 2018-02-19 Jason Merrill <jason@redhat.com>
467 PR c++/84429 - ICE capturing VLA.
468 * lambda.c (build_capture_proxy): Handle reference refs.
470 2018-02-19 Jakub Jelinek <jakub@redhat.com>
473 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
474 either operand is error_mark_node, set current.lhs to that instead of
475 creating a binary op with error_mark_node operands.
478 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
480 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
483 * decl.c (grokdeclarator): Early return error_mark_node upon
484 ill-formed friend declaration.
486 2018-02-16 Marek Polacek <polacek@redhat.com>
487 Jakub Jelinek <jakub@redhat.com>
490 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
491 set *jump_target to anything if jump_target is NULL.
493 2018-02-16 Jason Merrill <jason@redhat.com>
495 PR c++/84151 - unnecessary volatile load with static member.
496 * call.c (build_new_method_call_1): Avoid loading from a volatile
497 lvalue used as the object argument for a static member function.
499 PR c++/81853 - using-directive and constexpr.
500 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
502 PR c++/84420 - ICE with structured binding in lambda.
503 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
505 PR c++/83835 - C++17 error with constructor ctors.
506 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
508 PR c++/82664 - ICE with reference to function template parm.
509 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
512 PR c++/82764 - C++17 ICE with empty base
513 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
515 2018-02-16 Jason Merrill <jason@redhat.com>
517 PR c++/84421 - type-dependent if constexpr
518 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
520 2018-02-16 Nathan Sidwell <nathan@acm.org>
522 Deprecate -ffriend-injection.
523 * decl.c (cxx_init_decl_processing): Emit warning on option.
524 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
527 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
530 * decl.c (check_special_function_return_type): Reject template
531 template parameter in deduction guide.
533 2018-02-16 Nathan Sidwell <nathan@acm.org>
536 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
538 2018-02-15 Jason Merrill <jason@redhat.com>
540 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
541 * call.c (convert_like_real): Don't use the copy-list-initialization
542 shortcut for ck_base.
544 PR c++/84045 - ICE with typedef and noexcept.
545 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
547 PR c++/84376 - ICE with omitted template arguments.
548 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
550 PR c++/84368 - wrong error with local variable in variadic lambda.
551 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
552 local_specializations.
554 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
557 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
560 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
563 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
566 2018-02-14 Nathan Sidwell <nathan@acm.org>
568 * decl2.c (mark_vtable_entries): Set input_location to decl's.
569 (c_parse_final_cleanups): Restore input_location after emitting
572 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
574 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
575 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
576 auto_deduction_context, tree, int): Add defaults.
577 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
578 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
579 tsubst_flags_t argument.
580 * init.c (build_new): Likewise.
582 2018-02-13 Jakub Jelinek <jakub@redhat.com>
585 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
586 about return other than *this in assignment operators if
587 retval is type dependent expression.
589 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
592 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
593 save_expr for the G++ extension.
595 2018-02-13 Jason Merrill <jason@redhat.com>
597 PR c++/84080 - ICE with return type deduction and specialization.
598 * pt.c (determine_specialization): Check uses_template_parms.
600 Fix more variadic capture issues.
601 * pt.c (find_parameter_packs_r): Also look at explicit captures.
602 (check_for_bare_parameter_packs): Check current_class_type for
604 (extract_locals_r): Handle seeing a full instantiation of a pack.
605 (tsubst_pack_expansion): Likewise. Force lambda capture.
606 * parser.c (cp_parser_lambda_introducer): Don't
607 check_for_bare_parameter_packs.
609 PR c++/84338 - wrong variadic sizeof.
610 * pt.c (argument_pack_select_arg): Like the macro, but look through
612 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
613 (extract_fnparm_pack): Do make_pack_expansion.
614 (extract_locals_r): Do strip a pack expansion.
615 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
617 2018-02-12 Jakub Jelinek <jakub@redhat.com>
620 * parser.c (cp_parser_binary_expression): Use build_min instead of
621 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
623 2018-02-12 Nathan Sidwell <nathan@acm.org>
626 * parser.c (cp_parser_decltype): Push and pop
627 deferring_access_checks. Reorganize to avoid goto.
629 2018-02-12 Richard Biener <rguenther@suse.de>
632 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
633 uniform constructors and delay allocating them fully.
635 2018-02-09 Jason Merrill <jason@redhat.com>
637 PR c++/84036 - ICE with variadic capture.
638 Handle variadic capture proxies more like non-variadic.
639 * lambda.c (build_capture_proxy): Remove workaround.
640 * pt.c (find_parameter_packs_r): The proxy is a pack.
641 (instantiate_class_template_1): Remove dead lambda code.
642 (extract_fnparm_pack): Don't make_pack_expansion.
643 (extract_locals_r): Don't strip a pack expansion.
644 (tsubst_pack_expansion): Handle proxy packs. Use
645 PACK_EXPANSION_EXTRA_ARGS less.
646 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
647 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
648 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
649 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
650 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
652 2018-02-10 Jakub Jelinek <jakub@redhat.com>
655 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
657 2018-02-09 Jason Merrill <jason@redhat.com>
659 PR c++/81917 - ICE with void_t and partial specialization.
660 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
661 calling most_specialized_partial_spec.
663 2018-02-09 Nathan Sidwell <nathan@acm.org>
666 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
667 Pass expr location to strict_aliasing_warning.
669 2018-02-09 Jason Merrill <jason@redhat.com>
671 PR c++/84296 - ICE with qualified-id in template.
673 * pt.c (unknown_base_ref_p): New.
674 (instantiation_dependent_scope_ref_p): Use it instead of
675 any_dependent_bases_p.
677 2018-02-09 Marek Polacek <polacek@redhat.com>
678 Jakub Jelinek <jakub@redhat.com>
681 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
682 fold_indirect_ref_1, including poly_*int64. Verify first that
683 tree_fits_poly_int64_p (op01). Formatting fixes.
685 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
687 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
688 * lambda.c (build_capture_proxy): Likewise.
689 * search.c (field_access_p): Likewise.
690 * semantics.c (omp_clause_decl, omp_privatize_field,
691 finish_omp_clauses): Likewise.
693 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
696 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
699 2018-02-08 Nathan Sidwell <nathan@acm.org>
701 * class.c (finish_struct): Fix std:initializer_list diagnostic
704 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
707 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
709 2018-02-07 Jakub Jelinek <jakub@redhat.com>
712 * parser.c (cp_parser_dot_deref_incomplete): New function.
713 (cp_parser_postfix_dot_deref_expression): Use it.
715 2018-02-07 David Malcolm <dmalcolm@redhat.com>
719 * name-lookup.c (suggest_rid_p): New function.
720 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
723 2018-02-07 Jason Merrill <jason@redhat.com>
725 PR c++/84182 - ICE with captured lambda
727 * pt.c (extract_locals_r, extract_local_specs): New.
728 (tsubst_pack_expansion): Use them.
730 2018-02-07 Martin Liska <mliska@suse.cz>
733 * class.c (add_method): Append argument value.
734 * cp-tree.h (maybe_version_functions): Add new argument.
735 * decl.c (decls_match): Call it if a declaration does not
736 have DECL_FUNCTION_VERSIONED.
737 (maybe_version_functions): record argument is added.
739 2018-02-05 Marek Polacek <polacek@redhat.com>
741 * class.c: Remove unused global variables.
742 (build_primary_vtable): Don't gather statistics.
743 (print_class_statistics): Remove.
744 * cp-tree.h (print_class_statistics): Remove.
745 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
747 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
749 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
750 * constexpr.c (cx_check_missing_mem_inits): Likewise.
751 * decl.c (next_initializable_field, find_decomp_class_base,
752 cp_finish_decomp): Likewise.
753 * typeck2.c (process_init_constructor_record): Likewise.
755 2018-02-02 Jason Merrill <jason@redhat.com>
757 PR c++/84181 - ICE with lambda parm in template argument.
758 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
760 2018-02-01 Jason Merrill <jason@redhat.com>
762 PR c++/84160 - ICE with nested variadic capture.
763 * lambda.c (is_capture_proxy_with_ref): New.
764 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
766 * expr.c (mark_use): Use is_capture_proxy_with_ref.
767 * constexpr.c (potential_constant_expression_1): Likewise.
768 * semantics.c (process_outer_var_ref): Likewise.
770 2018-02-01 Marek Polacek <polacek@redhat.com>
773 * typeck.c (build_address): Relax the assert when
774 processing_template_decl.
776 2018-02-01 Jason Merrill <jason@redhat.com>
778 PR c++/84126 - ICE with variadic generic lambda
781 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
782 PACK_EXPANSION_EXTRA_ARGS.
784 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
787 * call.c (convert_like_real): If w're initializing from {} explicitly
788 call abstract_virtuals_error_sfinae.
790 2018-01-31 Jason Merrill <jason@redhat.com>
791 Jakub Jelinek <jakub@redhat.com>
794 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
795 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
798 2018-01-31 Jakub Jelinek <jakub@redhat.com>
801 * constexpr.c (diag_array_subscript): Emit different diagnostics
802 if TYPE_DOMAIN (arraytype) is NULL.
803 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
804 with NULL TYPE_DOMAIN use size_zero_node as nelts.
806 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
809 * semantics.c (finish_qualified_id_expr): When handling an
810 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
812 2018-01-31 Marek Polacek <polacek@redhat.com>
815 * cp-gimplify.c (cp_fold): Check if X is an error node before
816 calling useless_type_conversion_p.
818 2018-01-30 Jason Merrill <jason@redhat.com>
820 PR c++/84091 - ICE with local class in lambda in template.
821 * decl2.c (determine_visibility): Look for outer containing template
824 PR c++/84098 - ICE with lambda in template NSDMI.
825 * pt.c (instantiate_class_template_1): Ignore more lambdas.
827 2018-01-29 Jason Merrill <jason@redhat.com>
829 PR c++/68810 - wrong location for reinterpret_cast error.
830 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
833 2018-01-29 Marek Polacek <polacek@redhat.com>
836 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
837 => fooarray[1] in offset_int.
839 2018-01-29 Jason Merrill <jason@redhat.com>
841 PR c++/83942 - wrong unused warning with static_cast.
842 * cvt.c (ocp_convert): Call mark_rvalue_use.
844 2018-01-26 Jason Merrill <jason@redhat.com>
846 PR c++/83956 - wrong dtor error with anonymous union
847 * method.c (walk_field_subobs): Variant members only affect
849 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
851 PR c++/84036 - ICE with variadic capture.
853 * pt.c (tsubst_pack_expansion): When optimizing a simple
854 substitution, pull a single pack expansion out of its pack.
856 PR c++/82514 - ICE with local class in generic lambda.
857 * pt.c (regenerated_lambda_fn_p): Remove.
858 (enclosing_instantiation_of): Don't use it.
859 (tsubst_function_decl): Call enclosing_instantiation_of.
861 * pt.c (lookup_template_class_1): Add sanity check.
862 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
864 2018-01-25 Jakub Jelinek <jakub@redhat.com>
867 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
868 recursive calls that return ret.
869 (cp_finish_decomp): Ignore unnamed bitfields.
871 2018-01-23 Jason Merrill <jason@redhat.com>
873 PR c++/82249 - wrong mismatched pack length error.
874 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
875 unsubstituted function parameter pack.
877 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
880 * decl.c (check_for_uninitialized_const_var): Not static; add
881 bool and tsubst_flags_t parameters; adjust to be used both in
882 constexpr context and not.
883 * constexpr.c (potential_constant_expression_1): Use the above.
884 * cp-tree.h (check_for_uninitialized_const_var): Declare.
886 2018-01-23 Jason Merrill <jason@redhat.com>
888 PR c++/83947 - ICE with auto declarations.
889 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
890 * decl.c (undeduced_auto_decl): Limit to vars and fns.
892 2018-01-23 David Malcolm <dmalcolm@redhat.com>
895 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
896 for pointer to member function types.
898 2018-01-23 Jakub Jelinek <jakub@redhat.com>
901 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
902 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
904 2018-01-23 Nathan Sidwell <nathan@acm.org>
907 * pt.c (tsubst_baselink): Remove optype assert.
908 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
910 2018-01-23 Jakub Jelinek <jakub@redhat.com>
913 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
914 refers to incomplete type.
916 2018-01-23 Nathan Sidwell <nathan@acm.org>
918 Deprecate ARM-era for scope handling
919 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
920 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
922 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
924 * semantics.c (begin_for_scope): Flag_new_for_scope is
926 (finish_for_stmt, begin_range_for_stmt): Likewise.
928 2018-01-22 Jason Merrill <jason@redhat.com>
931 * decl2.c (determine_visibility): Fix template_decl handling
932 instead of blocking it.
934 PR c++/83720 - ICE with lambda and LTO.
935 * decl2.c (determine_visibility): Clear template_decl for
936 function-scope decls. Propagate anonymous linkage from containing
939 2018-01-22 Marek Polacek <polacek@redhat.com>
942 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
945 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
948 * decl.c (grokdeclarator): Don't diagnose extra parens
951 2018-01-19 Jakub Jelinek <jakub@redhat.com>
954 * call.c (joust): Use TREE_TYPE (source) if source is
955 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
958 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
959 for direct enum init.
960 * decl.c (reshape_init): Likewise.
962 2018-01-19 Marek Polacek <polacek@redhat.com>
964 * constexpr.c (fold_simple): Simplify.
966 2018-01-18 Jason Merrill <jason@redhat.com>
969 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
970 * pt.c (instantiation_dependent_scope_ref_p): True if
971 any_dependent_bases_p.
973 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
975 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
976 vs DECL_NONTRIVIALLY_INITIALIZED_P).
978 2018-01-18 Jason Merrill <jason@redhat.com>
980 PR c++/82461 - constexpr list-initialized member
981 * constexpr.c (potential_constant_expression_1): Check
982 TARGET_EXPR_DIRECT_INIT_P.
984 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
987 * decl.c (xref_basetypes): Early return upon error about derived
990 2018-01-18 Nathan Sidwell <nathan@acm.org>
993 * cp-tree.h (mark_use): Declare.
994 * expr.c (mark_use): Make extern.
995 * call.c (direct_reference_binding): Set inner conv's
996 rvaluedness_matches_p, if it is an identity.
997 (convert_like_real): Mark lvalue or rvalue use for identity as
998 rvaledness_matches_p demands.
1000 2018-01-18 Jakub Jelinek <jakub@redhat.com>
1003 * parser.c (attr_chainon): New function.
1004 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
1005 cp_parser_namespace_definition, cp_parser_init_declarator,
1006 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
1007 cp_parser_gnu_attributes_opt): Use it.
1008 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
1009 cp_parser_objc_struct_declaration): Likewise. Don't reset
1010 prefix_attributes if attributes is error_mark_node.
1012 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
1015 * decl.c (grokdeclarator): Do not append the error_mark_node
1016 due to an erroneous optional attribute-specifier-seq.
1018 2018-01-17 Jakub Jelinek <jakub@redhat.com>
1021 * cp-gimplify.c (cp_maybe_instrument_return): Handle
1024 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
1027 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
1028 error_mark_node when we give an error.
1029 * decl.c (cp_finish_decl): Use the latter.
1031 2018-01-17 Nathan Sidwell <nathan@acm.org>
1034 * init.c (build_raw_new_expr): Scan list for lookups to keep.
1036 2018-01-17 David Malcolm <dmalcolm@redhat.com>
1039 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
1040 the C++ part. If processing a template, call
1041 fold_non_dependent_expr rather than fully folding.
1043 2018-01-17 Jason Merrill <jason@redhat.com>
1045 PR c++/81067 - redundant NULL warning.
1046 * call.c (convert_like_real): Restore null_node handling.
1048 2018-01-17 Jason Merrill <jason@redhat.com>
1050 PR c++/81843 - ICE with variadic member template.
1052 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
1055 2018-01-17 David Malcolm <dmalcolm@redhat.com>
1058 * pt.c (type_dependent_expression_p): Strip any location wrapper
1059 before testing tree codes.
1060 (selftest::test_type_dependent_expression_p): New function.
1061 (selftest::cp_pt_c_tests): Call it.
1063 2018-01-17 Nathan Sidwell <nathan@acm.org>
1066 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
1067 this not a final instantiation.
1069 2018-01-16 Jason Merrill <jason@redhat.com>
1071 PR c++/83714 - ICE checking return in template.
1072 * typeck.c (check_return_expr): Call build_non_dependent_expr.
1074 2018-01-16 Jakub Jelinek <jakub@redhat.com>
1077 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
1078 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
1079 instead of CALL_FROM_THUNK_P.
1082 * name-lookup.c (member_vec_dedup): Return early if len is 0.
1083 (resort_type_member_vec, set_class_bindings,
1084 insert_late_enum_def_bindings): Use vec qsort method instead of
1085 calling qsort directly.
1087 2018-01-15 Martin Sebor <msebor@redhat.com>
1090 * class.c (find_flexarrays): Make a record of multiple flexible array
1093 2018-01-12 Jason Merrill <jason@redhat.com>
1095 PR c++/83186 - ICE with static_cast of list-initialized temporary.
1096 * typeck.c (build_static_cast): Use build_non_dependent_expr.
1098 2018-01-12 Nathan Sidwell <nathan@acm.org>
1100 * cp-tree.h (mark_rvalue_use): Add parm name.
1101 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
1103 * call.c (convert_like_real): Fix formatting.
1105 2018-01-11 Jason Merrill <jason@redhat.com>
1107 PR c++/82728 - wrong -Wunused-but-set-variable
1110 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
1111 * decl.c (case_conversion): Likewise.
1112 * semantics.c (finish_static_assert): Call
1113 perform_implicit_conversion_flags.
1115 2018-01-11 Nathan Sidwell <nathan@acm.org>
1117 * method.c (enum mangling_flags): Delete long-dead enum.
1119 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
1121 * parser.c (cp_parser_std_attribute_spec): When
1122 token_pair::require_open / require_close return false simply
1123 return error_mark_node, avoid duplicate cp_parser_error about
1124 expected '(' / ')', respectively.
1126 2018-01-10 David Malcolm <dmalcolm@redhat.com>
1129 * call.c (null_ptr_cst_p): Strip location wrappers when
1130 converting from '0' to a pointer type in C++11 onwards.
1131 (conversion_null_warnings): Replace comparison with null_node with
1132 call to null_node_p.
1133 (build_over_call): Likewise.
1134 * cp-gimplify.c (cp_fold): Remove the early bailout when
1135 processing_template_decl.
1136 * cp-lang.c (selftest::run_cp_tests): Call
1137 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
1138 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
1139 (selftest::run_cp_tests): Move decl to bottom of file.
1140 (null_node_p): New inline function.
1141 (selftest::cp_pt_c_tests): New decl.
1142 (selftest::cp_tree_c_tests): New decl.
1143 * cvt.c (build_expr_type_conversion): Replace comparison with
1144 null_node with call to null_node_p.
1145 * error.c (args_to_string): Likewise.
1146 * except.c (build_throw): Likewise.
1147 * mangle.c (write_expression): Skip location wrapper nodes.
1148 * parser.c (literal_integer_zerop): New function.
1149 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
1150 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
1151 param of cp_parser_parenthesized_expression_list. When calling
1152 warn_for_memset, replace integer_zerop calls with
1153 literal_integer_zerop, eliminating the double logical negation
1154 cast to bool. Eliminate the special-casing for CONST_DECL in
1155 favor of the fold_for_warn within warn_for_memset.
1156 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
1157 param, defaulting to false. Convert "expr" to a cp_expr, and call
1158 maybe_add_location_wrapper on it when wrap_locations_p is true.
1159 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
1160 the result for RID_ALIGNOF and RID_SIZEOF.
1161 (cp_parser_builtin_offsetof): Likewise.
1162 * pt.c: Include "selftest.h".
1163 (tsubst_copy): Handle location wrappers.
1164 (tsubst_copy_and_build): Likewise.
1165 (build_non_dependent_expr): Likewise.
1166 (selftest::test_build_non_dependent_expr): New function.
1167 (selftest::cp_pt_c_tests): New function.
1168 * tree.c: Include "selftest.h".
1169 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
1170 (selftest::test_lvalue_kind): New function.
1171 (selftest::cp_tree_c_tests): New function.
1172 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
1173 (cp_build_binary_op): Replace comparison with null_node with call
1175 (build_address): Use location of operand when building address
1178 2018-01-10 Marek Polacek <polacek@redhat.com>
1181 * call.c (build_conditional_expr_1): Check complain before warning.
1182 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1183 -Wduplicated-branches.
1185 2018-01-10 Jakub Jelinek <jakub@redhat.com>
1188 * call.c (maybe_warn_class_memaccess): Add forward declaration.
1189 Change last argument from tree * to const vec<tree, va_gc> *, adjust
1190 args uses and check number of operands too. Don't strip away any
1191 nops. Use maybe_constant_value when looking for INTEGER_CST args.
1192 Deal with src argument not having pointer type. Check
1193 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
1195 (build_over_call): Call maybe_warn_class_memaccess here on the
1197 (build_cxx_call): Rather than here on converted arguments.
1199 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
1202 * init.c (build_vec_init): Avoid building an INIT_EXPR with
1203 error_mark_node as second argument.
1205 2018-01-09 Jakub Jelinek <jakub@redhat.com>
1208 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1209 in STATEMENT_LIST. Remove unneeded assert.
1211 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1212 Alan Hayward <alan.hayward@arm.com>
1213 David Sherwood <david.sherwood@arm.com>
1215 * constexpr.c (cxx_eval_array_reference): Handle polynomial
1217 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1218 * call.c (build_conditional_expr_1): Likewise.
1219 * decl.c (cp_finish_decomp): Likewise.
1220 * mangle.c (write_type): Likewise.
1221 * typeck.c (structural_comptypes): Likewise.
1222 (cp_build_binary_op): Likewise.
1223 * typeck2.c (process_init_constructor_array): Likewise.
1225 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1228 * typeck.c (build_static_cast_1): For static casts to reference types,
1229 call build_base_path with flag_delete_null_pointer_checks as nonnull
1230 instead of always false. When -fsanitize=null, call
1231 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1232 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1233 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1235 2018-01-03 Nathan Sidwell <nathan@acm.org>
1238 * method.c (make_alias_for): Copy DECL_CONTEXT.
1240 2018-01-03 Marek Polacek <polacek@redhat.com>
1243 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1245 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1247 PR preprocessor/83602
1248 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1252 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1253 error_mark_node, return error_mark_node.
1255 Update copyright years.
1257 2018-01-02 Jakub Jelinek <jakub@redhat.com>
1260 * tree.c (replace_placeholders_r): Pass NULL as last argument to
1261 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
1262 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1263 to false and return.
1264 (replace_placeholders): Pass NULL instead of &pset as last argument
1267 2018-01-02 Nathan Sidwell <nathan@acm.org>
1269 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1272 Copyright (C) 2018 Free Software Foundation, Inc.
1274 Copying and distribution of this file, with or without modification,
1275 are permitted in any medium without royalty provided the copyright
1276 notice and this notice are preserved.