1 2017-07-04 Release Manager
5 2017-06-24 Marek Polacek <polacek@redhat.com>
7 Backported from mainline
8 2017-04-18 Marek Polacek <polacek@redhat.com>
10 PR c++/80241 - ICE with alignas pack expansion.
11 * error.c (dump_expr): Handle TREE_LIST.
12 * parser.c (cp_parser_std_attribute_list): Return error_mark if
13 make_pack_expansion returns an error.
15 PR c++/80244 - ICE with attribute in template alias.
16 * tree.c (strip_typedefs): Handle UNDERLYING_TYPE.
18 2017-04-10 Marek Polacek <polacek@redhat.com>
21 * typeck.c (cp_build_binary_op): Use NULL_TREE instead of NULL. Set
22 ORIG_TYPE earlier and not only when shortening.
24 2017-04-07 Marek Polacek <polacek@redhat.com>
27 * typeck.c (cp_build_binary_op): Convert COP[01] to ORIG_TYPE.
29 2017-06-22 Jakub Jelinek <jakub@redhat.com>
31 Backported from mainline
32 2017-06-21 Jakub Jelinek <jakub@redhat.com>
35 * semantics.c (handle_omp_array_sections_1, finish_omp_clauses):
36 Complain about t not being a variable if t is OVERLOAD even
37 when processing_template_decl.
39 2017-06-13 Jakub Jelinek <jakub@redhat.com>
42 * cp-gimplify.c (cp_genericize_r): Don't instrument MEM_REF second
43 argument even if it has REFERENCE_TYPE.
46 * cp-gimplify.c (cp_genericize): Only look for VAR_DECLs in
47 BLOCK_VARS (outer) chain.
48 (cxx_omp_const_qual_no_mutable): Likewise.
50 2017-06-17 Jason Merrill <jason@redhat.com>
52 PR c++/70844 - -Wuseless-cast and inheriting constructor.
53 * method.c (forward_parm): Suppress warn_useless_cast.
55 2017-06-08 Jakub Jelinek <jakub@redhat.com>
58 * semantics.c (handle_omp_array_sections_1): Convert TYPE_MAX_VALUE
59 to sizetype before size_binop.
62 * cp-gimplify.c (cxx_omp_finish_clause): When changing clause
63 to OMP_CLAUSE_SHARED, also clear OMP_CLAUSE_SHARED_FIRSTPRIVATE
64 and OMP_CLAUSE_SHARED_READONLY flags.
66 2017-05-31 Jason Merrill <jason@redhat.com>
68 PR c++/80179 - ICE with initialized flexible array member.
69 * constexpr.c (verify_ctor_sanity): Handle flexible array members.
71 2017-05-23 Jason Merrill <jason@redhat.com>
73 PR c++/80267 - ICE with nested capture of reference
75 * pt.c (tsubst_copy): Handle lookup finding a capture proxy.
77 PR c++/80294 - ICE with constexpr and inheritance.
78 * constexpr.c (reduced_constant_expression_p):
79 A null constructor element is non-constant.
80 (cxx_eval_indirect_ref): Don't VERIFY_CONSTANT before
81 returning an empty base.
83 2017-05-05 Jakub Jelinek <jakub@redhat.com>
85 Backported from mainline
86 2017-04-11 Jakub Jelinek <jakub@redhat.com>
89 * error.c (dump_expr): Handle VEC_COND_EXPR like COND_EXPR.
91 2017-04-10 Jakub Jelinek <jakub@redhat.com>
94 * tree.c (lvalue_kind): For COMPONENT_REF with BASELINK second
95 operand, if it is a static member function, recurse on the
98 2017-03-31 Jakub Jelinek <jakub@redhat.com>
101 * cp-gimplify.c (cp_genericize_r): Sanitize INTEGER_CSTs with
102 REFERENCE_TYPE. Adjust ubsan_maybe_instrument_reference caller
103 for NOP_EXPR to REFERENCE_TYPE.
105 2017-03-22 Jakub Jelinek <jakub@redhat.com>
108 * semantics.c (finish_omp_clause) <case OMP_CLAUSE_SIMDLEN,
109 case OMP_CLAUSE_ALIGNED>: Call maybe_constant_value only when not
110 processing_template_decl.
112 2017-03-10 Jakub Jelinek <jakub@redhat.com>
115 * decl.c (finish_enum_value_list): If value is error_mark_node,
116 don't copy it and change its type.
117 * init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
118 of CONST_DECL is error_mark_node.
120 2017-02-22 Jakub Jelinek <jakub@redhat.com>
123 * parser.c (cp_parser_omp_teams, cp_parser_omp_target): Use
124 SET_EXPR_LOCATION on OMP_TARGET/OMP_TEAMS tree.
125 * constexpr.c (potential_constant_expression_1): Handle
126 OMP_*, OACC_* and CILK_* trees.
128 2017-02-21 Jakub Jelinek <jakub@redhat.com>
131 * constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
132 call cplus_expand_constant on it first.
134 2017-02-16 Jakub Jelinek <jakub@redhat.com>
137 * parser.c (cp_parser_omp_target): For -fopenmp-simd
138 ignore #pragma omp target even when not followed by identifier.
140 2017-04-12 Jason Merrill <jason@redhat.com>
142 PR c++/80150 - ICE with overloaded variadic deduction.
143 * pt.c (try_one_overload): Remove asserts.
145 PR c++/77563 - missing ambiguous conversion error.
146 * call.c (convert_like_real): Use LOOKUP_IMPLICIT.
148 PR c++/79519 - ICE with deleted template friend.
149 * decl.c (grokdeclarator): Complain about misplaced function
150 definition using =, as well.
152 PR c++/79640 - infinite recursion with generic lambda.
153 * pt.c (tsubst_copy) [VAR_DECL]: Register the dummy instantiation
154 before substituting its initializer.
156 PR c++/80043 - ICE with -fpermissive
157 * typeck.c (convert_for_assignment): Handle instantiate_type
160 PR c++/78282 - auto template and pack expansion
161 * pt.c (find_parameter_packs_r): Don't walk into the type of
162 templates other than template template-parameters.
164 PR c++/79607 - ICE with T{} initializer
165 * decl.c (type_dependent_init_p): Check the type of a CONSTRUCTOR.
167 PR c++/79566 - elaborated-type-specifier in range for
168 * parser.c (cp_parser_simple_declaration): Fix check for type
171 PR c++/79580 - ICE with compound literal
172 * parser.c (cp_parser_class_head): If we're in the middle of an
173 expression, use ts_within_enclosing_non_class.
175 PR c++/79508 - lookup error with member template
176 * parser.c (cp_parser_template_name): Clear
177 parser->context->object_type if we aren't doing lookup.
179 PR c++/79050 - ICE with undeduced auto and LTO
180 * decl.c (poplevel): Remove undeduced auto decls.
182 PR c++/79461 - ICE with lambda in constexpr constructor
183 * constexpr.c (build_data_member_initialization): Ignore
184 initialization of a local variable.
186 2017-03-20 Nathan Sidwell <nathan@acm.org>
189 * lambda.c (maybe_generic_this_capture): Capture when fn
190 is an identifier node.
192 2017-03-15 Marek Polacek <polacek@redhat.com>
194 Backported from mainline
195 2016-12-14 Marek Polacek <polacek@redhat.com>
198 * init.c (perform_member_init): Diagnose member initializer for
199 flexible array member.
201 2017-03-14 Marek Polacek <polacek@redhat.com>
203 Backported from mainline
204 2017-03-09 Marek Polacek <polacek@redhat.com>
206 PR c++/79900 - ICE in strip_typedefs
207 * tree.c (strip_typedefs): Skip the attribute handling if T is
208 a variant type which hasn't been updated yet.
211 * init.c (constant_value_1): Break if the variable has a dynamic
214 Backported from mainline
215 2017-01-31 Nathan Sidwell <nathan@acm.org>
218 * lambda.c (maybe_generic_this_capture): Deal with template-id-exprs.
219 * semantics.c (finish_member_declaration): Assert class is being
222 Backported from mainline
223 2017-01-17 Nathan Sidwell <nathan@acm.org>
226 * cp-tree.h (maybe_generic_this_capture): Declare.
227 * lambda.c (resolvable_dummy_lambda): New, broken out of ...
228 (maybe_resolve_dummy): ... here. Call it.
229 (maybe_generic_this_capture): New.
230 * parser.c (cp_parser_postfix_expression): Speculatively capture
231 this in generic lambda in unresolved member function call.
232 * pt.c (tsubst_copy_and_build): Force hard error from failed
233 member function lookup in generic lambda.
235 2017-03-07 Marek Polacek <polacek@redhat.com>
237 Backported from mainline
238 2017-03-06 Marek Polacek <polacek@redhat.com>
240 PR c++/79796 - ICE with NSDMI and this pointer
241 * call.c (build_over_call): Handle NSDMI with a 'this' by calling
242 replace_placeholders.
244 2017-02-15 Jakub Jelinek <jakub@redhat.com>
246 Backported from mainline
247 2017-02-09 Jakub Jelinek <jakub@redhat.com>
250 * parser.c (cp_parser_omp_ordered): Don't check for non-pragma_stmt
251 non-pragma_compound context here.
252 (cp_parser_omp_target): Likewise.
253 (cp_parser_pragma): Don't call push_omp_privatization_clauses and
254 parsing for ordered and target omp pragmas in non-pragma_stmt
255 non-pragma_compound contexts.
258 * parser.c (cp_parser_oacc_declare): Formatting fix.
259 (cp_parser_omp_declare_target): Don't invoke symtab_node::get on
262 2017-02-06 Jakub Jelinek <jakub@redhat.com>
265 * tree.c (build_min_non_dep_op_overload): For POST{INC,DEC}REMENT_EXPR
266 allow one fewer than expected arguments if flag_permissive.
268 2017-02-13 Nathan Sidwell <nathan@acm.org>
270 PR c++/79296 - ICE mangling localized template instantiation
271 * decl2.c (determine_visibility): Use template fn context for
272 local class instantiations.
274 2017-02-11 Jason Merrill <jason@redhat.com>
276 PR c++/78908 - template ops and bitfields
277 * tree.c (build_min_non_dep): Use unlowered_expr_type.
279 2017-02-10 Jason Merrill <jason@redhat.com>
281 PR c++/78897 - constexpr union
282 * constexpr.c (cxx_eval_store_expression): A store to a union member
283 erases a previous store to another member.
285 2017-01-26 Jason Merrill <jason@redhat.com>
287 PR c++/79176 - lambda ICE with -flto -Os
288 * decl2.c (vague_linkage_p): Handle decloned 'tors.
289 * tree.c (decl_linkage): Likewise.
291 2017-01-20 Marek Polacek <polacek@redhat.com>
293 Backported from mainline
294 2017-01-04 Marek Polacek <polacek@redhat.com>
298 * constexpr.c (potential_constant_expression_1): Handle CLEANUP_STMT.
300 2017-01-17 Jakub Jelinek <jakub@redhat.com>
302 Backported from mainline
303 2017-01-11 Jakub Jelinek <jakub@redhat.com>
306 * parser.c (cp_parser_std_attribute_spec): Remove over-eager
307 assertion. Formatting fix.
309 2017-01-04 Jakub Jelinek <jakub@redhat.com>
312 * typeck.c (cp_build_unary_op): Call mark_rvalue_use on arg if it has
316 * parser.c (cp_parser_simple_declaration): Only complain about
317 inconsistent auto deduction if auto_result doesn't use auto.
320 * parser.c (cp_lexer_previous_token): Use vec_safe_address in the
321 assertion, as lexer->buffer may be NULL.
323 2017-01-11 Nathan Sidwell <nathan@acm.org>
326 * name-lookup.c (set_namespace_binding_1): An overload of 1 decl
329 2016-12-21 Release Manager
331 * GCC 6.3.0 released.
333 2016-12-14 Nathan Sidwell <nathan@acm.org>
336 * pt.c (type_unification_real): Check tsubst arg doesn't have
337 remaining template parms before converting it.
339 2016-12-08 Nathan Sidwell <nathan@acm.org>
342 * constexpr.c (extract_string_elt): New. Broken out of ...
343 (cxx_eval_array_reference): ... here. Call it.
344 (cxx_eval_store_expression): Convert init by STRING_CST into
345 CONSTRUCTOR, if needed.
347 2016-12-07 Jakub Jelinek <jakub@redhat.com>
349 Backported from mainline
350 2016-12-02 Jakub Jelinek <jakub@redhat.com>
353 * pt.c (tsubst_init): Don't call build_value_init if decl's type
356 2016-11-28 Jakub Jelinek <jakub@redhat.com>
357 Jason Merrill <jason@redhat.com>
360 * decl.c (finish_enum_value_list): Call fixup_type_variants on
361 current_class_type after
362 insert_late_enum_def_into_classtype_sorted_fields.
364 2016-11-28 Jakub Jelinek <jakub@redhat.com>
367 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
368 whats_returned through fold_for_warn.
370 2016-11-23 Jakub Jelinek <jakub@redhat.com>
373 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
374 false as handle_invisiref_parm_p to cp_genericize_tree.
375 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
376 (cp_genericize_r): Don't wrap is_invisiref_parm into references
377 if !wtd->handle_invisiref_parm_p.
378 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
379 set wtd.handle_invisiref_parm_p to it.
380 (cp_genericize): Pass true as handle_invisiref_parm_p to
381 cp_genericize_tree. Formatting fix.
383 2016-11-18 Jakub Jelinek <jakub@redhat.com>
386 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
389 2016-10-31 Jakub Jelinek <jakub@redhat.com>
392 * parser.c (cp_parser_postfix_expression): Replace return statement in
393 the first switch with setting postfix_expression to the return
394 expression and break;.
396 2016-09-28 Jakub Jelinek <jakub@redhat.com>
399 * constexpr.c (enum constexpr_switch_state): New.
400 (struct constexpr_ctx): Add css_state field.
401 (label_matches): Add CTX and STMT arguments, remove I and
402 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
403 handle default labels according to css_state.
404 (cxx_eval_statement_list): Remove statement skipping, label_matches
405 and default_label handling code.
406 (cxx_eval_loop_expr): Exit after first iteration even if
407 switches (jump_target).
408 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
409 label has been seen in the body, but no cases matched, evaluate
410 the body second time.
411 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
412 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
413 statement is not skipped. For COND_EXPR during skipping, don't
414 evaluate condition, just the then block and if still skipping at the
415 end also the else block.
416 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
417 (is_sub_constant_expr): Likewise.
419 2016-09-27 Jakub Jelinek <jakub@redhat.com>
422 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
423 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
424 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
426 2016-09-20 Jakub Jelinek <jakub@redhat.com>
429 * parser.c (cp_parser_template_declaration_after_parameter): For 2
430 argument operator"" template set ok to false for
431 parm == error_mark_node.
434 * parser.c (cp_parser_std_attribute_list): Reject ... without
437 2016-09-16 Jakub Jelinek <jakub@redhat.com>
440 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
441 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
444 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
445 TYPE_HAS_MUTABLE_P for any bases.
447 2016-12-06 Jason Merrill <jason@redhat.com>
450 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
451 (decl_constant_var_p): Use it instead.
454 * pt.c (resolve_typename_type): Try to avoid calling
455 currently_open_class.
458 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
461 * pt.c (do_type_instantiation): Don't mess with non-user-provided
464 2016-11-18 Jason Merrill <jason@redhat.com>
466 PR c++/67631 - list-init and explicit conversions
467 * semantics.c (finish_compound_literal): Call digest_init_flags.
468 * typeck2.c (digest_init_flags): Add complain parm.
469 (store_init_value): Pass it.
471 2016-11-17 Jason Merrill <jason@redhat.com>
474 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
476 2016-11-05 Martin Sebor <msebor@redhat.com>
479 * class.c (diagnose_flexarrays): Avoid rejecting an invalid flexible
480 array member with a hard error when it is followed by another member
481 in a different struct, and instead issue just a pedantic warning.
483 2016-10-14 Martin Sebor <msebor@redhat.com>
486 * class.c (struct flexmems_t): Add members.
487 (find_flexarrays): Add arguments. Correct handling of anonymous
489 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
490 (check_flexarrays): Add argument.
491 (diagnose_invalid_flexarray): New functions.
493 2016-10-04 Martin Sebor <msebor@redhat.com>
496 * init.c (warn_placement_new_too_small): Avoid assuming an array type
499 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
502 * class.c (build_base_path): Allow for lookup_base returning
505 2016-09-16 Jakub Jelinek <jakub@redhat.com>
507 Backported from mainline
508 2016-09-13 Jakub Jelinek <jakub@redhat.com>
511 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
512 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
513 (cxx_eval_pointer_plus_expression): Remove.
514 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
515 call cxx_eval_pointer_plus_expression.
517 2016-09-14 Nathan Sidwell <nathan@acm.org>
520 * constexpr.c (get_fundef_copy): Use the original function for
521 non-recursive evaluations.
522 (save_fundef_copy): Always expect a slot to be available.
524 2016-08-22 Release Manager
526 * GCC 6.2.0 released.
528 2016-08-13 Jason Merrill <jason@redhat.com>
531 * constexpr.c (cxx_eval_array_reference): Handle looking for the
532 value of an element we're currently modifying.
534 2016-08-11 Jakub Jelinek <jakub@redhat.com>
537 * constexpr.c (label_matches): Handle case range expressions.
539 2016-08-11 Jason Merrill <jason@redhat.com>
542 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
544 2016-08-08 Paolo Carlini <paolo.carlini@oracle.com>
547 * lambda.c (add_capture): Check lambda_capture_field_type return
548 value for error_mark_node.
550 2016-08-05 Nathan Sidwell <nathan@acm.org>
553 * pt.c (unify): TRAIT_EXPR is an expr.
555 2016-08-04 Jason Merrill <jason@redhat.com>
558 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
561 2016-07-29 Jason Merrill <jason@redhat.com>
564 * init.c (expand_aggr_init_1): Only handle value-init of bases.
565 * constexpr.c (build_data_member_initialization): Handle multiple
566 initializers for the same field.
568 2016-07-25 Jason Merrill <jason@redhat.com>
571 * call.c (convert_like_real): Use lvalue_kind.
574 * pt.c (coerce_template_parameter_pack): Fix logic for
577 2016-07-23 Jason Merrill <jason@redhat.com>
581 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
584 * class.c (walk_subobject_offsets): Handle 0-length array.
587 * pt.c (tsubst): Also substitute into the template of a
588 BOUND_TEMPLATE_TEMPLATE_PARM.
591 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
594 * decl.c (reshape_init_r): Check complain for missing braces warning.
596 2016-07-22 Jason Merrill <jason@redhat.com>
600 * pt.c (tsubst_baselink): Call
601 adjust_result_of_qualified_name_lookup for unqualified
604 2016-07-21 Jason Merrill <jason@redhat.com>
607 * semantics.c (apply_deduced_return_type): Call
608 complete_type_or_else before building the new RESULT_DECL.
611 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
615 * call.c (unsafe_copy_elision_p): It's OK to elide when
616 initializing an unknown object.
618 2016-07-21 Jakub Jelinek <jakub@redhat.com>
621 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
622 Replace assert with test, return false if the goto isn't break
623 or continue. Formatting fix.
625 2016-07-21 Jakub Jelinek <jakub@redhat.com>
628 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
629 save/restore bc_label array.
631 2016-07-21 Patrick Palka <ppalka@gcc.gnu.org>
635 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
637 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
638 on the qualified_id then propagate it to the resulting
640 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
642 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
643 its REF_PARENTHESIZED_P flag.
645 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
646 Jason Merrill <jason@redhat.com>
648 Improving concepts performance and diagnostics.
652 * cp-tree.def (CHECK_CONSTR): New.
653 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
654 (CHECK_CONSTR_ARGS): New.
655 * constraint.cc (make_predicate_constraint): Remove in favor of
656 normalize_expression.
657 (resolve_constraint_check): Actually return error_mark_node when
659 (resolve_variable_concept_check): Perform coercion as if processing
660 a template. Also return errors on resolution failure.
661 (lift_*): Remove all of these functions. Don't unnecessarily inline
663 (learn_*): Add facilities to memoize implications for subsumption
664 during normalization.
665 (expanding_concept): New.
666 (expand_concept): New. Return the inlined and normalized definition
667 of a concept when needed.
668 (transform_*, xform_*): Rename to normalize_* to better reflect the
669 responsibility of those functions.
670 (normalize_template_id_expression): Check for non-boolean operands
671 when possible. Generate check constraints instead of normal variable
673 (normalize_call_expression): Report errors when resolution fails.
674 (check_for_logical_overloads): Rewrite this check to more accurately
676 (normalize_atom): Check for overloaded calls and invalid types before
677 determining if the expression refers to a concept.
678 (build_constraints): Don't cache normalized constraints or decomposed
680 (finish_shorthand_constraint): Return a normalized expression instead
681 of a predicate constraint.
682 (finish_template_introduction): Same.
683 (placeholder_extract_concept_and_args): Rewrite this since we only
684 ever get check constraints here.
685 (equivalent_placeholder_constraints): Rewrite in terms of check
686 constraints, and handle error_mark_nodes correctly.
687 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
688 (tsubst_implicit_conversion_constr)
689 (tsubst_argument_deduction_constr, tsubst_exception_constr)
690 (tsubst_parameterized_constraint, tsubst_constraint): New.
691 (tsbust_conjunection): Replace with tsubst_logical_operator and
692 actually generate the right kind of constraint.
693 (tsubst_requirement_body): Reverse the order of substituted arguments
694 so that they appear in the order written (helps diagnostics).
695 (satisfy_check_constraint): New.
696 (satisfy_conjunction): Simplify.
697 (satisfy_disjunction): Same.
698 (satisfy_constraint_1): Handle check constraints.
699 (eval_constr): New (private) global state.
700 (evaluating_constraints_sentinel): New. Manages eval_constr.
701 (satisfy_constraint): Add timing variables.
702 (satisfy_associated_constraints): Add hooks for memoization.
703 (evaluate_function_concept): Build a check constraint instead of
704 normalizing its definition.
705 (evaluate_variable_concept): Same.
706 (evaluate_constraint_expression): Normalize, but in the current
707 declaration processing context.
708 (evaluating_constraints_p): New.
709 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
710 (diagnose_*): Remove artificial indentation. Add a new parameter to
711 each that tracks the current (complete) constraint prior to any
713 (diagnose_expression): Removed.
714 (diagnose_call_expression): Same.
715 (diagnose_template_id): Same.
716 (diagnose_template_id): New.
717 (diagnose_logical_constraint): New.
718 (diagnose_expression_constraint): Show the original expression.
719 (diagnose_type_constraint): Show the original type.
720 (diagnose_implicit_conversion_constraint): Be specific about
721 failures, don't re-diagnose a known-to-be-failed substitutions,
722 and manage elisions properly.
723 (diagnose_argument_deduction_constraint): Same.
724 (diagnose_exception_constraint): Same.
725 (diagnose_parameterized_constraint): Same.
726 (constraint_p): Allow EXPR_PACK_EXPANSION.
727 * logic.cc (next_by_distance): Removed. No longer used.
728 (any_p): Renamed from any_of.
729 (term_entry, term_hasher): New.
730 (term_list): Rewrite to include a hash table for quick lookup.
731 Also, make less stateful.
732 (proof_state): Extend to allow goals to be discharged once
734 (non_atomic_constraint_p): New.
735 (any_non_atomic_constraints_p): New.
736 (...rest...): Previous implementation completely replaced with an
737 iterative algorithm that opportunistically prunes the search space
738 before committing to using more memory.
739 * parser.c: (cp_parser_type_parameter): Normalize constraints.
740 (cp_parser_explicit_template_declaration): Same.
741 * pt.c: (finish_template_variable): Be less redundant with this error
743 (template_args_equal): No longer static.
744 (tsubst_decl): Don't try to find specializations of variables that
745 have already been instantiated.
746 (build_non_dependent_expr): Avoid infinite recursion during concept
748 (make_constrained_auto): Normalize constraints.
749 (do_auto_deduction): When doing auto deduction from a
750 partial-concept-id, be sure to include the explicit args checking
752 (constraint_sat_*): New. Memoize satisfied constraints.
753 (concept_spec_*): New. Memoize expressions associated with a concept
755 (constraint_memos, concept_memos): New.
756 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
757 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
758 (get_concept_expansion, save_concept_expansion): New.
759 (hash_subsumption_args): New.
760 (comp_subsumption_args): New.
761 (subsumption_*): New. Memoize parts of the subsumption relation.
762 (lookup_subsumption_result, save_subsumption_result): New.
763 (init_constraint_processing): Initialize memo tables.
764 (get_constraints): Shortcut if !flag_concepts.
765 * decl.c (grokfndecl): Normalize constraints.
766 * error.c (dump_simple_decl): Print "concept" when appropriate.
767 (dump_function_decl): Same.
768 (dump_template_decl): Don't write requirements when we're not
770 (dump_expr): Handle fold expressions.
771 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
773 (get_fold_operator): New.
774 (pp_cxx_unary_left_fold_expression): New.
775 (pp_cxx_unary_right_fold_expression): New.
776 (pp_cxx_binary_fold_expression): New.
777 (pp_cxx_check_constraint): New.
778 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
779 to make them easier to read when debugging.
780 * search.c (accessible_p): Don't shortcut when evaluating constraints.
781 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
783 2016-07-21 Jason Merrill <jason@redhat.com>
786 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
787 error parsing the lambda-declarator.
790 * constexpr.c (cxx_eval_binary_expression): Handle comparison
791 between lowered and unlowered PTRMEM_CST.
794 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
795 threw away DECL_SAVED_TREE.
799 * call.c (add_template_conv_candidate): Disable if there are
803 * call.c (convert_like_real): Mask complain.
806 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
809 * pt.c (tsubst_attributes): Fix loop logic.
813 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
814 (cp_parser_simple_declaration): Diagnose type definition in
815 for-range-declaration.
818 * operators.def: Add *_FOLD_EXPR.
819 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
820 * mangle.c (write_expression): Handle fold-expressions.
821 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
822 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
823 partial instantiation.
826 * mangle.c (write_expression): Handle sizeof... an argument pack.
829 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
832 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
833 artificial variables.
835 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
837 2016-07-20 Jakub Jelinek <jakub@redhat.com>
840 * parser.c (cp_parser_save_member_function_body): Consume
841 __transaction_relaxed or __transaction_atomic with optional
842 attribute. Only skip catch with block if try keyword is seen.
844 2016-07-19 Jakub Jelinek <jakub@redhat.com>
846 Backported from mainline
847 2016-07-18 Jakub Jelinek <jakub@redhat.com>
850 * call.c (build_op_call_1): Use convert_like_with_context only
851 if cand->fn is a decl.
854 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
855 For lval don't use cxx_eval_unary_expression and instead recurse
856 and if needed rebuild the reference.
859 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
860 fold *expr_p before genericizing it.
863 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
865 2016-07-07 Jakub Jelinek <jakub@redhat.com>
866 Kai Tietz <ktietz70@googlemail.com>
870 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
871 artificial vars, genericize their initializers.
873 2016-06-21 Jakub Jelinek <jakub@redhat.com>
875 Backported from mainline
876 2016-06-17 Jakub Jelinek <jakub@redhat.com>
878 * semantics.c (handle_omp_array_sections_1): Don't ICE when
879 processing_template_decl when checking for bitfields and unions.
880 Look through REFERENCE_REF_P as base of COMPONENT_REF.
881 (finish_omp_clauses): Look through REFERENCE_REF_P even for
882 array sections with COMPONENT_REF bases.
884 2016-06-16 Jakub Jelinek <jakub@redhat.com>
886 * parser.c (cp_parser_omp_var_list_no_open): Call
887 convert_from_reference before cp_parser_postfix_dot_deref_expression.
888 * semantics.c (finish_omp_clauses): Don't ICE when
889 processing_template_decl when checking for bitfields and unions.
890 Look through REFERENCE_REF_P as base of COMPONENT_REF.
892 2016-06-14 Jakub Jelinek <jakub@redhat.com>
895 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
896 olddecl vars, preserve their TREE_READONLY bit.
898 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
901 * decl.c (cp_finish_decl): Check do_auto_deduction return value
902 and return immediately in case of erroneous code.
904 2016-06-14 Jakub Jelinek <jakub@redhat.com>
907 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
909 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
912 Backport from trunk r237290:
913 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
916 2016-06-08 Jakub Jelinek <jakub@redhat.com>
919 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
921 2016-06-06 Jakub Jelinek <jakub@redhat.com>
922 Patrick Palka <ppalka@gcc.gnu.org>
927 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
928 right after cp_fold call if cp_fold has returned the same stmt
929 already in some earlier cp_fold_r call.
930 (cp_fold_function): Add pset automatic variable, pass its address
933 2016-06-02 Jakub Jelinek <jakub@redhat.com>
936 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
937 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
938 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
939 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
940 to the newly built tree.
942 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
945 * method.c (forward_parm): Use cp_build_reference_type.
947 2016-05-31 Jason Merrill <jason@redhat.com>
950 * decl2.c (c_parse_final_cleanups): Don't call fini_constexpr.
953 * pt.c (check_explicit_specialization): Give better diagnostic about
954 specializing a hidden friend.
959 * pt.c (instantiate_template_1): Don't put the partial
960 specialization in DECL_TI_TEMPLATE.
961 (partial_specialization_p, impartial_args): Remove.
962 (regenerate_decl_from_template): Add args parm.
963 (instantiate_decl): Look up the partial specialization again.
967 * cp-tree.h (enum tag_types): Add scope_type.
968 * parser.c (cp_parser_class_name): Use scope_type.
969 (prefer_type_arg): Handle scope_type.
970 (cp_parser_lookup_name): Use prefer_type_arg.
971 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
972 int prefer_type, use lookup_flags.
973 * name-lookup.h: Adjust.
976 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
978 (cp_fold) [INDIRECT_REF]: Call maybe_undo_parenthesized_ref.
981 * pt.c (tsubst_copy): Just return a local variable from
982 non-template context. Don't call rest_of_decl_compilation for
983 duplicated static locals.
984 (tsubst_decl): Set DECL_CONTEXT of local static from another
987 2016-05-31 Martin Sebor <msebor@redhat.com>
990 * init.c (warn_placement_new_too_small): Handle placement new arguments
991 that are elements of arrays more carefully. Remove a pointless loop.
993 2016-05-30 Jakub Jelinek <jakub@redhat.com>
996 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
997 when combined with target construct.
998 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
999 to cp_parser_omp_all_clauses.
1001 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
1004 * lambda.c (maybe_add_lambda_conv_op): Early return also when
1005 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
1007 2016-05-24 Martin Sebor <msebor@redhat.com>
1010 * decl.c (layout_var_decl, grokdeclarator): Use
1011 complete_or_array_type_p.
1012 * pt.c (instantiate_class_template_1): Try to complete the element
1013 type of a flexible array member.
1014 (can_complete_type_without_circularity): Handle arrays of unknown bound.
1015 * typeck.c (complete_type): Also complete the type of the elements of
1016 arrays with an unspecified bound.
1018 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1021 * typeck2.c (check_narrowing): Check pedwarn return value.
1023 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1026 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
1027 For OMP_CLAUSE_LINEAR_REF don't require type to be
1028 integral or pointer.
1030 2016-05-23 Jason Merrill <jason@redhat.com>
1033 * constexpr.c (cxx_eval_call_expression): Check for
1034 fun == current_function_decl again.
1036 2016-05-19 David Malcolm <dmalcolm@redhat.com>
1038 Backport from trunk r236483.
1040 * parser.c (cp_parser_operator): For array new/delete, check that
1041 cp_parser_require returned a non-NULL token before dereferencing
1044 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1046 Backport from mainline
1047 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1049 * decl.c (finish_enum_value_list): Use the specified mode.
1051 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1054 * call.c (convert_like_real): Check that we are actually converting
1057 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
1060 * parser.c (cp_parser_oacc_loop): Don't augment mask with
1061 OACC_LOOP_CLAUSE_MASK.
1062 (cp_parser_oacc_kernels_parallel): Update call to
1063 c_oacc_split_loop_clauses.
1065 2016-04-28 Paolo Carlini <paolo.carlini@oracle.com>
1068 * semantics.c (process_outer_var_ref): Unconditionally return
1069 error_mark_node when mark_used returns false.
1071 2016-04-27 Release Manager
1073 * GCC 6.1.0 released.
1075 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1078 * pt.c (build_non_dependent_expr): Temporarily disable flag_checking
1081 2016-04-22 Jason Merrill <jason@redhat.com>
1085 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
1089 * name-lookup.c (qualified_lookup_using_namespace): Look through
1092 2016-04-19 Jason Merrill <jason@redhat.com>
1095 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
1096 * pt.c (make_pack_expansion): Call mark_exp_read.
1097 * semantics.c (finish_id_expression): Call mark_type_use in
1098 unevaluated context.
1100 2016-04-18 Jason Merrill <jason@redhat.com>
1104 * class.c (type_maybe_constexpr_default_constructor): New.
1105 (type_has_constexpr_default_constructor): Revert.
1108 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
1109 unknown_type_node, too.
1111 2016-04-15 Jason Merrill <jason@redhat.com>
1114 * constexpr.c (get_fundef_copy): Handle null *slot.
1116 2016-04-15 Jason Merrill <jason@redhat.com>
1117 Nathan Sidwell <nathan@acm.org>
1120 * constexpr.c (constexpr_call_table): Preserve in GC.
1121 (struct fundef_copy, struct fundef_copies_table_t): Delete.
1122 (fundef_copies_table): Preserve in GC. Change to pointer to
1124 (maybe_initialize_fundef_copies_table): Adjust.
1125 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
1126 (save_fundef_copy): Adjust for a TREE_LIST.
1127 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
1128 (fini_constexpr): New.
1129 * cp-tree.h (fini_constexpr): Declare.
1130 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
1132 2016-04-15 Jakub Jelinek <jakub@redhat.com>
1135 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
1137 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
1138 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
1139 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
1140 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
1141 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
1142 cp_parser_statement.
1143 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
1144 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
1145 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
1146 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
1147 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
1148 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
1149 cp_parser_omp_taskloop, cp_parser_omp_construct,
1150 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
1151 Add IF_P argument, pass it down where needed.
1152 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
1153 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
1156 2016-04-14 Jason Merrill <jason@redhat.com>
1159 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
1160 * typeck2.c (split_nonconstant_init_1): Use it.
1163 * class.c (type_has_constexpr_default_constructor): Return true
1164 for an implicitly declared constructor.
1167 * parser.c (cp_parser_init_declarator): Add auto_result parm.
1168 (cp_parser_simple_declaration): Pass it.
1169 (strip_declarator_types): New.
1172 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
1173 initializer also makes the variable value-dependent.
1176 * constexpr.c (cxx_eval_store_expression): Also copy
1177 CONSTRUCTOR_NO_IMPLICIT_ZERO.
1179 2016-04-14 Martin Sebor <msebor@redhat.com>
1184 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
1186 2016-04-14 Jason Merrill <jason@redhat.com>
1188 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
1189 parameter ABI change.
1191 2016-04-13 Martin Sebor <msebor@redhat.com>
1196 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
1198 * decl.c (check_initializer, cp_finish_decl): Call them.
1199 (reshape_init_r): Reject incompletely braced intializer-lists
1201 * init.c (throw_bad_array_length, build_vla_check)
1202 (build_vla_size_check, build_vla_init_check): Define new functions.
1203 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
1205 (store_init_value): Same.
1207 2016-04-13 Jason Merrill <jason@redhat.com>
1209 Warn about empty parameter ABI with -Wabi=9.
1210 * call.c (empty_class_msg, mark_for_abi_warning)
1211 (warn_empty_class_abi): New.
1212 (build_call_a): Use them.
1213 * decl.c (store_parm_decls): Use mark_for_abi_warning.
1214 * error.c (pp_format_to_string): New.
1216 Pass empty class parameters like C.
1217 * call.c (pass_as_empty_struct, empty_class_arg): New.
1218 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
1219 (build_call_a): Use empty_class_arg.
1220 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
1221 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
1223 2016-04-13 Jason Merrill <jason@redhat.com>
1226 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
1228 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
1231 * pt.c (resolve_typename_type): Fix typos in infinite recursion
1232 avoidance mechanism.
1234 2016-04-13 Jason Merrill <jason@redhat.com>
1237 * pt.c (instantiation_dependent_uneval_expression_p): Split out
1238 from instantiation_dependent_expression_p.
1239 (value_dependent_expression_p): Use it for unevaluated operands.
1240 (instantiation_dependent_r): Don't check value-dependence.
1241 (instantiation_dependent_expression_p): Check
1242 value-dependence of the expression as a whole.
1243 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
1244 * semantics.c (finish_decltype_type): Use it.
1246 * constexpr.c (potential_nondependent_constant_expression): New.
1247 (potential_nondependent_static_init_expression): New.
1248 (maybe_constant_value_1, fold_non_dependent_expr)
1249 (maybe_constant_init): Use them.
1250 * pt.c (instantiate_non_dependent_expr_sfinae)
1251 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
1253 * cp-tree.h: Declare them.
1255 2016-04-13 Jakub Jelinek <jakub@redhat.com>
1258 * decl.c (pop_labels_1): Removed.
1259 (note_label, sort_labels): New functions.
1260 (pop_labels): During named_labels traversal, just push the slot
1261 pointers into a vector, then qsort it by DECL_UID and only then
1262 call pop_label and chain it into BLOCK_VARS.
1264 2016-04-13 Jason Merrill <jason@redhat.com>
1267 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
1268 (cp_gimplify_expr): Not here.
1270 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
1273 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
1275 * typeck.c (build_x_conditional_expr): Unconditionally remember
1276 that the result is an lvalue or xvalue.
1278 2016-04-12 Jason Merrill <jason@redhat.com>
1280 * class.c (is_really_empty_class): A zero-length array is empty.
1281 An unnamed bit-field doesn't make a class non-empty.
1283 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
1286 * parser.c (cp_parser_cache_defarg): When file ends in default
1287 argument simply return error_mark_node.
1289 2016-04-12 Nathan Sidwell <nathan@acm.org>
1292 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
1295 2016-04-11 Jason Merrill <jason@redhat.com>
1297 * mangle.c (decl_is_template_id): The template itself counts as a
1300 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
1304 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
1305 on the result if it's not a CONSTRUCTOR.
1307 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
1310 * constexpr.c (find_constructor): New function.
1311 (unshare_constructor): New function.
1312 (cxx_eval_call_expression): Use unshare_constructor instead of
1314 (find_array_ctor_elt): Likewise.
1315 (cxx_eval_vec_init_1): Likewise.
1316 (cxx_eval_store_expression): Likewise.
1317 (cxx_eval_constant_expression): Likewise.
1319 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1322 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
1323 potentially generating a future -Wparentheses warning in its
1326 2016-04-06 Jason Merrill <jason@redhat.com>
1328 * class.c (check_abi_tags): Fix function template handling.
1330 2016-04-05 Nathan Sidwell <nathan@acm.org>
1333 * class.c (fixup_may_alias): New.
1334 (fixup_attribute_variants): Call it.
1336 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1339 * constexpr.c (struct fundef_copy): New struct.
1340 (struct fundef_copies_table_t): New struct.
1341 (fundef_copies_table): New static variable.
1342 (maybe_initialize_fundef_copies_table): New static function.
1343 (get_fundef_copy): New static function.
1344 (save_fundef_copy): New static function.
1345 (cxx_eval_call_expression): Use get_fundef_copy, and
1347 (constexpr_call_table): Add "deletable" GTY marker.
1349 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1352 * cp-tree.h (class cache_map): Remove.
1353 * constexpr.c (cv_cache): Change type to
1354 GTY((deletable)) hash_map<tree, tree> *.
1355 (maybe_constant_value): Adjust following the change to cv_cache.
1356 (clear_cv_cache): New static function.
1357 (clear_cv_and_fold_caches): Use it.
1358 * cp-gimplify.c (fold_cache): Change type to
1359 GTY((deletable)) hash_map<tree, tree> *.
1360 (clear_fold_cache): Adjust following the change to fold_cache.
1361 (cp_fold): Likewise.
1363 2016-04-02 Martin Sebor <msebor@redhat.com>
1369 * constexpr.c (diag_array_subscript): New function.
1370 (cxx_eval_array_reference): Detect out of bounds array indices.
1372 2016-04-01 Jason Merrill <jason@redhat.com>
1376 * pt.c (instantiate_decl): A function isn't fully defined if
1377 DECL_INITIAL is error_mark_node.
1378 * constexpr.c (cxx_eval_call_expression): Likewise.
1380 2016-04-01 Jakub Jelinek <jakub@redhat.com>
1381 Marek Polacek <polacek@redhat.com>
1384 * init.c (warn_placement_new_too_small): Test whether
1385 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
1387 2016-04-01 Nathan Sidwell <nathan@acm.org>
1390 * decl.c (check_redeclaration_exception_specification): Check
1391 regardless of -fno-exceptions.
1392 * typeck2.c (merge_exception_specifiers): Relax assert by checking
1393 flag_exceptions too.
1395 2016-03-31 Nathan Sidwell <nathan@acm.org>
1397 * decl.c (start_preparsed_function): Remove unnecessary bracing.
1398 (finish_destructor_body): Don't emit operator delete here.
1400 2016-03-31 Nathan Sidwell <nathan@acm.org>
1403 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
1404 elements in field order.
1406 2016-03-31 Marek Polacek <polacek@redhat.com>
1409 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
1411 2016-03-31 Richard Biener <rguenther@suse.de>
1414 * typeck.c (cp_build_binary_op): Fix operand order of vector
1415 conditional in truth op handling.
1417 2016-03-29 Jason Merrill <jason@redhat.com>
1420 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
1421 in constexpr functions.
1423 2016-03-28 Jason Merrill <jason@redhat.com>
1428 * decl.c, pt.c, constexpr.c: Revert last patch.
1430 2016-03-25 Jason Merrill <jason@redhat.com>
1431 Martin Liška <mliska@suse.cz>
1436 * decl.c (cp_fname_init): Decay the initializer to pointer.
1437 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
1438 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1439 Don't call cp_finish_decl.
1440 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
1441 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
1442 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
1443 Handle DECL_VALUE_EXPR.
1445 2016-03-24 Jason Merrill <jason@redhat.com>
1448 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
1451 * constexpr.c (cxx_eval_call_expression): Don't cache result if
1454 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
1457 * tree.c (build_cplus_array_type): Determine type-dependentess
1458 with uses_template_parms instead of with dependent_type_p.
1460 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
1463 * typeck.c (process_init_constructor_union): If the initializer
1464 is empty, use the union's NSDMI if it has one.
1466 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
1469 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
1470 NSDMI that's part of an aggregrate initialization.
1472 2016-03-23 Jakub Jelinek <jakub@redhat.com>
1475 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
1476 for 1..max even for multi-dimensional arrays. Call unshare_expr
1480 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
1481 on TREE_OVERFLOW constants.
1484 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
1485 for OMP_TASKLOOP here.
1486 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
1487 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
1489 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
1490 Jason Merrill <jason@redhat.com>
1491 Jakub Jelinek <jakub@redhat.com>
1494 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1495 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1496 (finish_function): Don't set or test them.
1497 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
1499 2016-03-23 Jason Merrill <jason@redhat.com>
1502 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
1504 2016-03-23 Marek Polacek <polacek@redhat.com>
1507 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
1509 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
1511 * call.c (build_conditional_expr_1): Always use original
1512 condition type for vector type checks and build.
1514 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
1517 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
1519 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
1522 * constexpr.c (non_const_var_error): Check
1523 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1525 2016-03-21 Richard Henderson <rth@redhat.com>
1528 * decl.c (notice_forced_label_r): New.
1529 (cp_finish_decl): Use it.
1531 2016-03-21 Jason Merrill <jason@redhat.com>
1534 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
1536 2016-03-18 Jason Merrill <jason@redhat.com>
1539 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
1542 * class.c (vptr_via_virtual_p): New.
1543 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
1544 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
1545 a vptr from any virtual base in a not-in-charge 'structor.
1547 * decl.c (build_clobber_this): Factor out of
1548 start_preparsed_function and begin_destructor_body. Handle
1549 virtual bases better.
1551 * class.c (build_if_in_charge): Split out from build_base_path.
1552 * init.c (expand_virtual_init, expand_default_init): Use it.
1553 * call.c (build_special_member_call): Use it.
1555 2016-03-18 Jakub Jelinek <jakub@redhat.com>
1558 * init.c (build_new_1): Complain and return error_mark_node
1559 if alloc_fn is not _Jv_AllocObject function returning pointer.
1561 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1564 * search.c (adjust_result_of_qualified_name_lookup): Don't
1565 update the BASELINK_BINFO of DECL if the second call
1566 to lookup_base fails.
1568 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1571 * parser.c (cp_parser_lambda_expression): Move call to
1572 pop_deferring_access_checks ahead of the call to
1573 cp_parser_end_tentative_firewall.
1575 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1578 * cp-tree.h (magic_varargs_p): Return int instead of bool.
1579 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
1580 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
1582 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
1583 if magic_varargs_p == 1, call decay_conversion
1584 instead of mark_type_use. Don't store error_mark_node arguments to
1585 argarray, instead return error_mark_node.
1588 * decl.c (begin_destructor_body): Don't insert clobber if
1589 is_empty_class (current_class_type).
1591 2016-03-17 Marek Polacek <polacek@redhat.com>
1594 * typeck.c (warn_for_null_address): New function.
1595 (cp_build_binary_op): Call it.
1597 2016-03-16 Jason Merrill <jason@redhat.com>
1600 * decl.c (start_preparsed_function): Don't clobber an empty base.
1602 2016-03-16 Jakub Jelinek <jakub@redhat.com>
1605 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
1606 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
1609 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
1610 set in_base_initializer.
1612 2016-03-15 Marek Polacek <polacek@redhat.com>
1615 * tree.c (strip_typedefs): Call strip_typedefs again on the
1616 DECL_ORIGINAL_TYPE result.
1618 2016-03-15 Jason Merrill <jason@redhat.com>
1621 * pt.c (instantiate_decl): Fix call to variable_template_p.
1624 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
1626 2016-03-14 Casey Carter <casey@carter.net>
1627 Jason Merrill <jason@redhat.com>
1629 P0184R0: Generalizing the Range-Based For Loop
1630 * parser.c (cp_convert_range_for): Set the type of __end separately.
1631 (cp_parser_perform_range_for_lookup): Allow different begin/end
1632 types if they are comparable.
1634 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
1637 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
1638 processing_template_decl and EXPR is a SCOPE_REF.
1640 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
1641 Jakub Jelinek <jakub@redhat.com>
1644 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
1645 return value from cxx_eval_constant_expression from earlier
1646 elements if it is valid constant initializer requiring no
1649 2016-03-10 Marek Polacek <polacek@redhat.com>
1652 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
1654 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
1656 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
1657 when calling c_finish_omp_clauses.
1659 2016-03-08 Jason Merrill <jason@redhat.com>
1661 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
1662 diagnostic for use of "concept".
1663 (cp_parser_requires_clause_opt): And "requires".
1664 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
1665 (cp_parser_explicit_template_declaration): Adjust.
1666 * Make-lang.in (check-c++-all): Add "concepts" to std list.
1668 P0036R0: Unary Folds and Empty Parameter Packs
1669 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
1671 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1674 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
1675 even after the last iteration of the loop.
1677 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
1679 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
1682 * pt.c (get_template_info): Handle PARM_DECL.
1683 (template_class_depth): Check DECL_P instead of
1684 VAR_OR_FUNCTION_DECL_P.
1686 2016-03-05 Jason Merrill <jason@redhat.com>
1689 * constexpr.c (cxx_eval_store_expression): Replace
1690 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
1692 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
1695 * pt.c (template_class_depth): Given a lambda type, iterate
1696 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
1697 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
1700 2016-03-04 Jason Merrill <jason@redhat.com>
1703 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
1704 * init.c (build_vec_delete_1): Set it.
1705 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
1707 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1709 * decl.c (start_preparsed_function): Don't emit start clobber at the
1710 start of constructor clones.
1713 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
1714 * decl.c (start_preparsed_function): Call
1715 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
1716 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
1717 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
1719 2016-03-04 Jason Merrill <jason@redhat.com>
1722 * constexpr.c (cxx_eval_component_reference): Further tweak.
1724 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
1725 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
1726 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
1727 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
1730 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
1733 2016-03-03 Jason Merrill <jason@redhat.com>
1735 * method.c (synthesized_method_walk): operator= can also be constexpr.
1737 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
1738 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
1741 * pt.c (copy_template_args): New.
1742 (tsubst_pack_expansion): Use it.
1744 * call.c (build_aggr_conv): Use get_nsdmi.
1747 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
1750 * constexpr.c (cxx_eval_component_reference): Just return an empty
1751 CONSTRUCTOR for an empty class.
1753 2016-03-01 Jason Merrill <jason@redhat.com>
1756 * parser.c (cp_parser_requires_clause): Call
1757 check_for_bare_parameter_packs.
1760 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
1764 * constexpr.c (cxx_eval_call_expression): Unshare arg.
1765 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
1766 [TARGET_EXPR]: Unshare init.
1768 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
1772 * pt.c (tsubst_baselink): Reinstate the check for an invalid
1775 2016-02-28 Jason Merrill <jason@redhat.com>
1778 * constexpr.c (cxx_eval_store_expression): Unshare init.
1780 2016-02-26 Jason Merrill <jason@redhat.com>
1783 * pt.c (make_argument_pack): New.
1784 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
1785 (tsubst_copy_and_build): Likewise.
1787 2016-02-25 Jason Merrill <jason@redhat.com>
1790 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
1791 * tree.c (build_aggr_init_expr): Set it.
1792 * semantics.c (simplify_aggr_init_expr): Check it.
1793 * cp-gimplify.c (cp_genericize_r): Don't walk into
1794 a call/aggr_init from a thunk.
1797 * method.c (forward_parm): Handle parameter packs.
1798 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
1801 * constexpr.c (cxx_eval_component_reference): Don't complain about
1802 unevaluated empty classes.
1805 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
1807 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
1810 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
1811 (maybe_undo_parenthesized_ref): Declare.
1812 * semantics.c (maybe_undo_parenthesized_ref): Split out from
1814 (finish_call_expr): Use it.
1815 * typeck.c (check_return_expr): Use it.
1816 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
1817 REF_PARENTHESIZED_P flag.
1819 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1822 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
1824 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
1826 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
1827 unless they are folded into INTEGER_CST, error_mark_node or some
1828 comparison with NULL, avoid folding them and use either the original
1829 comparison or non-folded comparison of folded arguments.
1830 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
1831 comparison, don't fold the comparison right away.
1833 2016-02-24 Jason Merrill <jason@redhat.com>
1836 * friend.c (make_friend_class): Likewise.
1837 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
1839 2016-02-24 Jason Merrill <jason@redhat.com>
1842 * pt.c (instantiate_class_template_1): Set
1843 processing_template_decl before substituting friend_type.
1845 016-02-24 Martin Sebor <msebor@redhat.com>
1848 * tree.c (build_ctor_subob_ref): Compare types' main variants
1849 instead of the types as they are.
1851 2016-02-24 Jason Merrill <jason@redhat.com>
1853 * decl.c (start_preparsed_function): Condition ctor clobber on
1854 flag_lifetime_dse > 1.
1856 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
1858 2016-02-19 Jason Merrill <jason@redhat.com>
1861 * call.c (remaining_arguments): No longer static.
1862 * cp-tree.h: Declare it.
1863 * pt.c (more_specialized_fn): Use it.
1865 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1866 Bernd Edlinger <bernd.edlinger@hotmail.de>
1868 * Make-lang.in: Invoke gperf with -L C++.
1869 * cfns.gperf: Remove prototypes for hash and libc_name_p
1871 * cfns.h: Regenerated.
1872 * except.c (nothrow_libfn_p): Adjust.
1874 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1877 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
1878 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
1880 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
1883 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
1885 * semantics.c (finish_call_expr): Don't assume a constructor
1886 call is dependent if only the "this" pointer is dependent. When
1887 building a constructor call, always use a dummy object.
1889 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1892 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
1894 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
1895 operators if folding preserved the binop, just with different
1899 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
1900 attr_spec is always single element chain, chain all the attributes
1901 properly together in the right order.
1903 2016-02-18 Jason Merrill <jason@redhat.com>
1905 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
1907 (mangle_decl): Call maybe_check_abi_tags for function scope.
1908 (mangle_guard_variable): Call maybe_check_abi_tags here.
1909 (write_guarded_var_name): Not here.
1911 2016-02-17 Jason Merrill <jason@redhat.com>
1914 * constexpr.c (build_constexpr_constructor_member_initializers):
1915 Handle an additional STATEMENT_LIST.
1918 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
1921 * decl2.c (reset_type_linkage_2): Look through member templates.
1923 2016-02-17 Jakub Jelinek <jakub@redhat.com>
1926 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
1928 2016-02-17 Jason Merrill <jason@redhat.com>
1931 * method.c (forward_parm): Split out from...
1932 (add_one_base_init): ...here.
1933 * lambda.c (maybe_add_lambda_conv_op): Use it.
1935 2016-02-16 Jason Merrill <jason@redhat.com>
1939 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
1940 tree.c, typeck2.c: Revert earlier changes.
1941 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
1942 non-type templates after -> or .
1944 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1947 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
1949 2016-02-16 Jason Merrill <jason@redhat.com>
1952 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
1953 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
1954 * name-lookup.h: Adjust.
1956 2016-02-16 James Norris <jnorris@codesourcery.com>
1958 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
1959 * semantics.c (finish_omp_clauses): Add deviceptr checking.
1961 2016-02-15 Jakub Jelinek <jakub@redhat.com>
1964 * init.c (expand_default_init): Only call reshape_init
1965 in the direct-initialization from an initializer list case.
1967 2016-02-15 Jason Merrill <jason@redhat.com>
1970 * semantics.c (finish_call_expr): Implicit 'this' does not make
1972 * search.c (any_dependent_bases_p): Split out...
1973 * name-lookup.c (do_class_using_decl): ...from here.
1974 * call.c (build_new_method_call_1): Don't complain about missing object
1975 if there are dependent bases. Tweak error.
1976 * tree.c (non_static_member_function_p): Remove.
1977 * pt.c (type_dependent_expression_p): A member template of a
1978 dependent type is dependent.
1979 * cp-tree.h: Adjust.
1982 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
1984 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
1987 * pt.c (lookup_and_finish_template_variable): New function,
1989 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
1990 (tsubst_qualified_id): Consider that EXPR might be a variable
1992 * typeck.c (check_template_keyword): Don't emit an error
1993 if DECL is a variable template.
1995 2016-02-12 Jakub Jelinek <jakub@redhat.com>
1997 * error.c: Spelling fixes - behaviour -> behavior and
1998 neighbour -> neighbor.
2000 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
2002 * init.c (build_delete): Likewise.
2004 2016-02-11 Jakub Jelinek <jakub@redhat.com>
2007 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
2008 arguments for -Waddress warning. Fix up formatting.
2010 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
2013 * pt.c (lookup_template_class_1): Check tsubst return value for
2016 2016-02-10 Jason Merrill <jason@redhat.com>
2019 * pt.c (resolve_nondeduced_context): Add complain parm.
2020 (do_auto_deduction): Pass it.
2021 * cvt.c (convert_to_void): Likewise.
2022 * decl.c (cp_finish_decl): Likewise.
2023 * init.c (build_new): Likewise.
2024 * rtti.c (get_tinfo_decl_dynamic): Likewise.
2025 * semantics.c (finish_decltype_type): Likewise.
2026 * typeck.c (decay_conversion): Likewise.
2027 * cp-tree.h: Adjust declaration.
2028 * call.c (standard_conversion): Add complain parm, pass it along.
2029 (implicit_conversion): Pass it.
2032 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
2033 (lookup_name_real_1): Likewise.
2034 (remove_hidden_names): Handle non-functions too.
2037 * parser.c (cp_parser_lookup_name): When looking for a template
2038 after . or ->, only consider class templates.
2039 (cp_parser_postfix_dot_deref_expression): Handle the current
2040 instantiation. Remember a dependent object expression.
2041 * typeck2.c (build_x_arrow): Handle the current instantiation.
2043 * ptree.c (debug_tree): Implement for cp_expr.
2045 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2048 * parser.c (cp_parser_simple_type_specifier): Make the check
2049 for disambiguating between an 'auto' placeholder and an implicit
2050 template parameter more robust.
2052 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2056 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
2057 setting its TREE_USED flag.
2059 2016-02-08 Jason Merrill <jason@redhat.com>
2062 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
2065 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2068 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
2069 of the DECL_OMP_DECLARE_REDUCTION_P decls.
2071 2016-02-08 Marek Polacek <polacek@redhat.com>
2074 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
2075 Call clear_fold_cache.
2076 * cp-tree.h: Adjust declaration.
2077 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
2078 rather than clear_cv_cache and clear_fold_cache.
2079 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2081 2016-02-08 Jason Merrill <jason@redhat.com>
2083 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
2084 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
2085 (ocp_convert): Use *_maybe_fold.
2086 (cp_convert_to_pointer): Add dofold parameter.
2087 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2089 2016-02-05 Martin Sebor <msebor@redhat.com>
2092 * init.c (find_field_init): New function.
2093 (warn_placement_new_too_small): Call it. Handle one-element arrays
2094 at ends of structures special.
2096 2016-02-05 Jason Merrill <jason@redhat.com>
2099 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
2100 make sure we've seen_error().
2102 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
2105 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
2106 if lookup_fnfields returns NULL_TREE and the name being looked
2107 up has the form A::A.
2109 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
2111 * constexpr.c (cxx_eval_binary_expression): Fold equality
2112 comparisons involving PTRMEM_CSTs.
2114 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2116 * class.c (find_flexarrays): Don't declare dom variable.
2117 (diagnose_flexarray): Likewise.
2119 2016-02-02 Martain Sebor <msebor@redhat.com>
2126 * class.c (walk_subobject_offsets): Avoid testing the upper bound
2127 of a flexible array member for equality to null.
2128 (find_flexarrays): Remove spurious whitespace introduced in r231665.
2129 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
2130 (check_flexarrays): Same.
2131 * decl.c (compute_array_index_type): Avoid special case for flexible
2133 (grokdeclarator): Avoid calling compute_array_index_type for flexible
2135 * error.c (dump_type_suffix): Revert changes introduced in r231665
2136 and rendered unnecessary by the changes above.
2137 * pt.c (tsubst): Same.
2138 * tree.c (build_ctor_subob_ref): Handle flexible array members.
2139 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
2140 (process_init_constructor_array): Same.
2141 (process_init_constructor_record): Same.
2143 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
2146 * pt.c (try_one_overload): Handle comparing argument packs so
2147 that there is no conflict if we deduced more arguments of an
2148 argument pack than were explicitly specified.
2150 2016-01-31 Jakub Jelinek <jakub@redhat.com>
2151 Jason Merrill <jason@redhat.com>
2154 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
2155 function type if nothing is changing.
2157 2016-01-31 Jason Merrill <jason@redhat.com>
2160 * pt.c (partial_specialization_p, impartial_args): New.
2161 (instantiate_decl): Call impartial_args.
2163 * mangle.c (maybe_check_abi_tags): New.
2164 (write_guarded_var_name): Call it.
2165 (mangle_ref_init_variable): Call check_abi_tags.
2167 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
2168 between template and instantiation.
2170 2016-01-29 Jakub Jelinek <jakub@redhat.com>
2173 * decl.c (wrapup_globals_for_namespace): Warn about unused static
2174 function declarations.
2176 2016-01-29 Marek Polacek <polacek@redhat.com>
2180 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
2181 out of bound" error earlier.
2182 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
2185 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
2187 * name-lookup.c (begin_scope): After reusing a cp_binding_level
2188 structure, update free_binding_level before the structure's
2189 level_chain field gets cleared, not after.
2191 2016-01-28 Jason Merrill <jason@redhat.com>
2194 * search.c (dfs_walk_once, dfs_walk_once_r)
2195 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
2196 hash_set instead of BINFO_MARKED.
2197 (dfs_unmark_r): Remove.
2199 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
2202 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
2203 (cp_lexer_debugging_p): Use it.
2204 (cp_lexer_start_debugging): Likewise.
2205 (cp_lexer_stop_debugging): Likewise.
2207 2016-01-27 Marek Polacek <polacek@redhat.com>
2210 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
2211 needed. Add -Wsign-compare warning.
2213 2016-01-27 Ryan Burn <contact@rnburn.com>
2216 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
2217 superfluous post_p argument in call to
2218 cilk_gimplify_call_params_in_spawned_fn.
2220 2016-01-27 Marek Polacek <polacek@redhat.com>
2223 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
2224 wrapped in NOP_EXPRs.
2226 2016-01-27 Martin Sebor <msebor@redhat.com>
2229 * mangle.c (mangle_decl): Reference the correct (saved) version
2230 of the ABI in -Wabi diagnostics.
2232 2016-01-27 Marek Polacek <polacek@redhat.com>
2235 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
2236 elements of the array.
2238 2016-01-26 Jason Merrill <jason@redhat.com>
2241 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
2242 (cxx_eval_call_expression): Don't look through clones.
2243 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
2244 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
2245 maybe-in-charge *tor.
2247 2016-01-26 Jason Merrill <jason@redhat.com>
2250 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
2251 and TREE_SIDE_EFFECTS.
2252 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2253 verify_constructor_flags.
2255 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2258 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
2259 return error_mark_node instead of building trees with error_mark_node
2262 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2265 * error.c (print_instantiation_partial_context_line): Add missing
2266 newlines from output for the t == NULL case.
2267 (print_instantiation_partial_context): Remove call to pp_newline.
2269 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
2272 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2277 * decl.c (grokdeclarator): Don't decay array parameter type to
2278 a pointer type if it's dependent.
2279 (grokparms): Invoke strip_top_quals instead of directly invoking
2280 cp_build_qualified_type.
2281 * pt.c (decay_dependent_array_parm_type): New static function.
2282 (type_unification_real): Call decay_dependent_array_parm_type
2283 to decay a dependent array parameter type to its corresponding
2284 pointer type before unification.
2285 (more_specialized_fn): Likewise.
2286 (get_bindings): Likewise.
2287 * tree.c (cp_build_qualified_type): Trivial typofix in
2290 2016-01-23 Martin Sebor <msebor@redhat.com>
2294 * decl2.c (is_late_template_attribute): Handle dependent argument
2295 to attribute align and attribute vector_size.
2297 2016-01-21 Jason Merrill <jason@redhat.com>
2300 * lambda.c (lambda_capture_field_type): Handle 'this' specially
2301 for init-capture, too.
2304 * decl.c (type_is_deprecated): Don't look into a typedef.
2308 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
2311 * decl.c (start_enum): Add attributes parameter.
2312 * parser.c (cp_parser_enum_specifier): Pass it.
2313 * pt.c (lookup_template_class_1): Pass it.
2314 * cp-tree.h: Adjust.
2316 2016-01-19 Jason Merrill <jason@redhat.com>
2319 * pt.c (convert_template_argument): Handle VAR_DECL properly.
2321 2016-01-19 Marek Polacek <polacek@redhat.com>
2324 * constexpr.c (clear_cv_cache): New.
2325 * cp-gimplify.c (clear_fold_cache): New.
2326 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
2327 * decl.c (finish_enum_value_list): Call them.
2330 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
2332 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2337 * decl.c (grokdeclarator): Don't decay array parameter type to
2338 a pointer type if it's dependent.
2339 (grokparms): Invoke strip_top_quals instead of directly invoking
2340 cp_build_qualified_type.
2341 * pt.c (decay_dependent_array_parm_type): New static function.
2342 (type_unification_real): Call decay_dependent_array_parm_type
2343 to decay a dependent array parameter type to its corresponding
2344 pointer type before unification.
2345 (more_specialized_fn): Likewise.
2346 (get_bindings): Likewise.
2347 * tree.c (cp_build_qualified_type): Trivial typofix in
2350 2016-01-18 Jason Merrill <jason@redhat.com>
2352 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
2354 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
2357 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
2358 (contains_label_1, contains_label_p): Remove.
2360 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2363 * pt.c (type_dependent_expression_p): For a function template
2364 specialization, a type is dependent iff any of its template
2367 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2369 * cp-array-notation.c (cp_expand_cond_array_notations): Return
2370 error_mark_node only if find_rank failed, not if it was
2373 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2376 * tree.c (build_min_non_dep_call_vec): Don't retain the
2377 KOENIG_LOOKUP_P flag of the non-dependent expression that's
2379 (build_min_non_dep_op_overload): Instead, do it here.
2381 2016-01-15 Jakub Jelinek <jakub@redhat.com>
2384 * parser.h (cp_token): Remove pragma_kind field. Add comment
2385 with number of unused bits.
2386 * parser.c (eof_token): Remove pragma_kind field initializer.
2387 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
2388 field, don't clear CPP_PRAGMA u.value.
2389 (cp_parser_pragma_kind): New function.
2390 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
2391 cp_parser_omp_construct, cp_parser_initial_pragma,
2392 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
2395 2016-01-15 Jason Merrill <jason@redhat.com>
2398 * call.c (build_cxx_call): Use fold_non_dependent_expr.
2400 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
2404 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
2405 array/function-to-pointer conversion. Call
2406 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
2407 * call.c (convert_like_real): Print call context if
2408 decay_conversion errors.
2410 2016-01-14 Tom de Vries <tom@codesourcery.com>
2412 PR tree-optimization/68773
2413 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
2416 2016-01-14 Jason Merrill <jason@redhat.com>
2419 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
2421 2016-01-12 Marek Polacek <polacek@redhat.com>
2424 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
2425 error_at and adjust the return value.
2427 2016-01-12 Jakub Jelinek <jakub@redhat.com>
2431 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
2432 GS_ERROR whenever seen_error (), only if *expr_p contains
2433 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
2437 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
2439 2016-01-11 Jason Merrill <jason@redhat.com>
2442 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
2443 (process_subob_fn): Likewise. Don't consider triviality if true.
2444 (synthesize_method_walk): Pass it.
2446 2016-01-11 David Malcolm <dmalcolm@redhat.com>
2449 * parser.c (cp_parser_postfix_expression): Initialize
2450 close_paren_loc to UNKNOWN_LOCATION; only use it if
2451 it has been written to by
2452 cp_parser_parenthesized_expression_list.
2453 (cp_parser_parenthesized_expression_list): Document the behavior
2454 with respect to the CLOSE_PAREN_LOC param.
2456 2016-01-11 Jakub Jelinek <jakub@redhat.com>
2459 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
2460 folded operands have side-effects, but folding changed any of them,
2461 build a new tree with the folded operands instead of returning the
2464 2016-01-09 Marek Polacek <polacek@redhat.com>
2467 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
2469 2016-01-09 Jakub Jelinek <jakub@redhat.com>
2472 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
2474 2016-01-08 Jason Merrill <jason@redhat.com>
2477 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
2480 2016-01-08 Marek Polacek <polacek@redhat.com>
2483 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
2485 2016-01-08 Jason Merrill <jason@redhat.com>
2487 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
2492 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
2493 TREE_ADDRESSABLE type.
2497 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
2499 2016-01-05 Nathan Sidwell <nathan@acm.org>
2502 * pt.c (build_non_dependent_expr): Don't try a checking fold when
2505 2016-01-04 Jakub Jelinek <jakub@redhat.com>
2507 Update copyright years.
2509 Copyright (C) 2016 Free Software Foundation, Inc.
2511 Copying and distribution of this file, with or without modification,
2512 are permitted in any medium without royalty provided the copyright
2513 notice and this notice are preserved.