1 2016-08-22 Release Manager
5 2016-08-13 Jason Merrill <jason@redhat.com>
8 * constexpr.c (cxx_eval_array_reference): Handle looking for the
9 value of an element we're currently modifying.
11 2016-08-11 Jakub Jelinek <jakub@redhat.com>
14 * constexpr.c (label_matches): Handle case range expressions.
16 2016-08-11 Jason Merrill <jason@redhat.com>
19 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
21 2016-08-08 Paolo Carlini <paolo.carlini@oracle.com>
24 * lambda.c (add_capture): Check lambda_capture_field_type return
25 value for error_mark_node.
27 2016-08-05 Nathan Sidwell <nathan@acm.org>
30 * pt.c (unify): TRAIT_EXPR is an expr.
32 2016-08-04 Jason Merrill <jason@redhat.com>
35 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
38 2016-07-29 Jason Merrill <jason@redhat.com>
41 * init.c (expand_aggr_init_1): Only handle value-init of bases.
42 * constexpr.c (build_data_member_initialization): Handle multiple
43 initializers for the same field.
45 2016-07-25 Jason Merrill <jason@redhat.com>
48 * call.c (convert_like_real): Use lvalue_kind.
51 * pt.c (coerce_template_parameter_pack): Fix logic for
54 2016-07-23 Jason Merrill <jason@redhat.com>
58 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
61 * class.c (walk_subobject_offsets): Handle 0-length array.
64 * pt.c (tsubst): Also substitute into the template of a
65 BOUND_TEMPLATE_TEMPLATE_PARM.
68 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
71 * decl.c (reshape_init_r): Check complain for missing braces warning.
73 2016-07-22 Jason Merrill <jason@redhat.com>
77 * pt.c (tsubst_baselink): Call
78 adjust_result_of_qualified_name_lookup for unqualified
81 2016-07-21 Jason Merrill <jason@redhat.com>
84 * semantics.c (apply_deduced_return_type): Call
85 complete_type_or_else before building the new RESULT_DECL.
88 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
92 * call.c (unsafe_copy_elision_p): It's OK to elide when
93 initializing an unknown object.
95 2016-07-21 Jakub Jelinek <jakub@redhat.com>
98 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
99 Replace assert with test, return false if the goto isn't break
100 or continue. Formatting fix.
102 2016-07-21 Jakub Jelinek <jakub@redhat.com>
105 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
106 save/restore bc_label array.
108 2016-07-21 Patrick Palka <ppalka@gcc.gnu.org>
112 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
114 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
115 on the qualified_id then propagate it to the resulting
117 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
119 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
120 its REF_PARENTHESIZED_P flag.
122 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
123 Jason Merrill <jason@redhat.com>
125 Improving concepts performance and diagnostics.
129 * cp-tree.def (CHECK_CONSTR): New.
130 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
131 (CHECK_CONSTR_ARGS): New.
132 * constraint.cc (make_predicate_constraint): Remove in favor of
133 normalize_expression.
134 (resolve_constraint_check): Actually return error_mark_node when
136 (resolve_variable_concept_check): Perform coercion as if processing
137 a template. Also return errors on resolution failure.
138 (lift_*): Remove all of these functions. Don't unnecessarily inline
140 (learn_*): Add facilities to memoize implications for subsumption
141 during normalization.
142 (expanding_concept): New.
143 (expand_concept): New. Return the inlined and normalized definition
144 of a concept when needed.
145 (transform_*, xform_*): Rename to normalize_* to better reflect the
146 responsibility of those functions.
147 (normalize_template_id_expression): Check for non-boolean operands
148 when possible. Generate check constraints instead of normal variable
150 (normalize_call_expression): Report errors when resolution fails.
151 (check_for_logical_overloads): Rewrite this check to more accurately
153 (normalize_atom): Check for overloaded calls and invalid types before
154 determining if the expression refers to a concept.
155 (build_constraints): Don't cache normalized constraints or decomposed
157 (finish_shorthand_constraint): Return a normalized expression instead
158 of a predicate constraint.
159 (finish_template_introduction): Same.
160 (placeholder_extract_concept_and_args): Rewrite this since we only
161 ever get check constraints here.
162 (equivalent_placeholder_constraints): Rewrite in terms of check
163 constraints, and handle error_mark_nodes correctly.
164 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
165 (tsubst_implicit_conversion_constr)
166 (tsubst_argument_deduction_constr, tsubst_exception_constr)
167 (tsubst_parameterized_constraint, tsubst_constraint): New.
168 (tsbust_conjunection): Replace with tsubst_logical_operator and
169 actually generate the right kind of constraint.
170 (tsubst_requirement_body): Reverse the order of substituted arguments
171 so that they appear in the order written (helps diagnostics).
172 (satisfy_check_constraint): New.
173 (satisfy_conjunction): Simplify.
174 (satisfy_disjunction): Same.
175 (satisfy_constraint_1): Handle check constraints.
176 (eval_constr): New (private) global state.
177 (evaluating_constraints_sentinel): New. Manages eval_constr.
178 (satisfy_constraint): Add timing variables.
179 (satisfy_associated_constraints): Add hooks for memoization.
180 (evaluate_function_concept): Build a check constraint instead of
181 normalizing its definition.
182 (evaluate_variable_concept): Same.
183 (evaluate_constraint_expression): Normalize, but in the current
184 declaration processing context.
185 (evaluating_constraints_p): New.
186 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
187 (diagnose_*): Remove artificial indentation. Add a new parameter to
188 each that tracks the current (complete) constraint prior to any
190 (diagnose_expression): Removed.
191 (diagnose_call_expression): Same.
192 (diagnose_template_id): Same.
193 (diagnose_template_id): New.
194 (diagnose_logical_constraint): New.
195 (diagnose_expression_constraint): Show the original expression.
196 (diagnose_type_constraint): Show the original type.
197 (diagnose_implicit_conversion_constraint): Be specific about
198 failures, don't re-diagnose a known-to-be-failed substitutions,
199 and manage elisions properly.
200 (diagnose_argument_deduction_constraint): Same.
201 (diagnose_exception_constraint): Same.
202 (diagnose_parameterized_constraint): Same.
203 (constraint_p): Allow EXPR_PACK_EXPANSION.
204 * logic.cc (next_by_distance): Removed. No longer used.
205 (any_p): Renamed from any_of.
206 (term_entry, term_hasher): New.
207 (term_list): Rewrite to include a hash table for quick lookup.
208 Also, make less stateful.
209 (proof_state): Extend to allow goals to be discharged once
211 (non_atomic_constraint_p): New.
212 (any_non_atomic_constraints_p): New.
213 (...rest...): Previous implementation completely replaced with an
214 iterative algorithm that opportunistically prunes the search space
215 before committing to using more memory.
216 * parser.c: (cp_parser_type_parameter): Normalize constraints.
217 (cp_parser_explicit_template_declaration): Same.
218 * pt.c: (finish_template_variable): Be less redundant with this error
220 (template_args_equal): No longer static.
221 (tsubst_decl): Don't try to find specializations of variables that
222 have already been instantiated.
223 (build_non_dependent_expr): Avoid infinite recursion during concept
225 (make_constrained_auto): Normalize constraints.
226 (do_auto_deduction): When doing auto deduction from a
227 partial-concept-id, be sure to include the explicit args checking
229 (constraint_sat_*): New. Memoize satisfied constraints.
230 (concept_spec_*): New. Memoize expressions associated with a concept
232 (constraint_memos, concept_memos): New.
233 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
234 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
235 (get_concept_expansion, save_concept_expansion): New.
236 (hash_subsumption_args): New.
237 (comp_subsumption_args): New.
238 (subsumption_*): New. Memoize parts of the subsumption relation.
239 (lookup_subsumption_result, save_subsumption_result): New.
240 (init_constraint_processing): Initialize memo tables.
241 (get_constraints): Shortcut if !flag_concepts.
242 * decl.c (grokfndecl): Normalize constraints.
243 * error.c (dump_simple_decl): Print "concept" when appropriate.
244 (dump_function_decl): Same.
245 (dump_template_decl): Don't write requirements when we're not
247 (dump_expr): Handle fold expressions.
248 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
250 (get_fold_operator): New.
251 (pp_cxx_unary_left_fold_expression): New.
252 (pp_cxx_unary_right_fold_expression): New.
253 (pp_cxx_binary_fold_expression): New.
254 (pp_cxx_check_constraint): New.
255 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
256 to make them easier to read when debugging.
257 * search.c (accessible_p): Don't shortcut when evaluating constraints.
258 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
260 2016-07-21 Jason Merrill <jason@redhat.com>
263 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
264 error parsing the lambda-declarator.
267 * constexpr.c (cxx_eval_binary_expression): Handle comparison
268 between lowered and unlowered PTRMEM_CST.
271 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
272 threw away DECL_SAVED_TREE.
276 * call.c (add_template_conv_candidate): Disable if there are
280 * call.c (convert_like_real): Mask complain.
283 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
286 * pt.c (tsubst_attributes): Fix loop logic.
290 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
291 (cp_parser_simple_declaration): Diagnose type definition in
292 for-range-declaration.
295 * operators.def: Add *_FOLD_EXPR.
296 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
297 * mangle.c (write_expression): Handle fold-expressions.
298 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
299 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
300 partial instantiation.
303 * mangle.c (write_expression): Handle sizeof... an argument pack.
306 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
309 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
310 artificial variables.
312 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
314 2016-07-20 Jakub Jelinek <jakub@redhat.com>
317 * parser.c (cp_parser_save_member_function_body): Consume
318 __transaction_relaxed or __transaction_atomic with optional
319 attribute. Only skip catch with block if try keyword is seen.
321 2016-07-19 Jakub Jelinek <jakub@redhat.com>
323 Backported from mainline
324 2016-07-18 Jakub Jelinek <jakub@redhat.com>
327 * call.c (build_op_call_1): Use convert_like_with_context only
328 if cand->fn is a decl.
331 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
332 For lval don't use cxx_eval_unary_expression and instead recurse
333 and if needed rebuild the reference.
336 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
337 fold *expr_p before genericizing it.
340 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
342 2016-07-07 Jakub Jelinek <jakub@redhat.com>
343 Kai Tietz <ktietz70@googlemail.com>
347 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
348 artificial vars, genericize their initializers.
350 2016-06-21 Jakub Jelinek <jakub@redhat.com>
352 Backported from mainline
353 2016-06-17 Jakub Jelinek <jakub@redhat.com>
355 * semantics.c (handle_omp_array_sections_1): Don't ICE when
356 processing_template_decl when checking for bitfields and unions.
357 Look through REFERENCE_REF_P as base of COMPONENT_REF.
358 (finish_omp_clauses): Look through REFERENCE_REF_P even for
359 array sections with COMPONENT_REF bases.
361 2016-06-16 Jakub Jelinek <jakub@redhat.com>
363 * parser.c (cp_parser_omp_var_list_no_open): Call
364 convert_from_reference before cp_parser_postfix_dot_deref_expression.
365 * semantics.c (finish_omp_clauses): Don't ICE when
366 processing_template_decl when checking for bitfields and unions.
367 Look through REFERENCE_REF_P as base of COMPONENT_REF.
369 2016-06-14 Jakub Jelinek <jakub@redhat.com>
372 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
373 olddecl vars, preserve their TREE_READONLY bit.
375 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
378 * decl.c (cp_finish_decl): Check do_auto_deduction return value
379 and return immediately in case of erroneous code.
381 2016-06-14 Jakub Jelinek <jakub@redhat.com>
384 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
386 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
389 Backport from trunk r237290:
390 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
393 2016-06-08 Jakub Jelinek <jakub@redhat.com>
396 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
398 2016-06-06 Jakub Jelinek <jakub@redhat.com>
399 Patrick Palka <ppalka@gcc.gnu.org>
404 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
405 right after cp_fold call if cp_fold has returned the same stmt
406 already in some earlier cp_fold_r call.
407 (cp_fold_function): Add pset automatic variable, pass its address
410 2016-06-02 Jakub Jelinek <jakub@redhat.com>
413 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
414 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
415 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
416 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
417 to the newly built tree.
419 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
422 * method.c (forward_parm): Use cp_build_reference_type.
424 2016-05-31 Jason Merrill <jason@redhat.com>
427 * decl2.c (c_parse_final_cleanups): Don't call fini_constexpr.
430 * pt.c (check_explicit_specialization): Give better diagnostic about
431 specializing a hidden friend.
436 * pt.c (instantiate_template_1): Don't put the partial
437 specialization in DECL_TI_TEMPLATE.
438 (partial_specialization_p, impartial_args): Remove.
439 (regenerate_decl_from_template): Add args parm.
440 (instantiate_decl): Look up the partial specialization again.
444 * cp-tree.h (enum tag_types): Add scope_type.
445 * parser.c (cp_parser_class_name): Use scope_type.
446 (prefer_type_arg): Handle scope_type.
447 (cp_parser_lookup_name): Use prefer_type_arg.
448 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
449 int prefer_type, use lookup_flags.
450 * name-lookup.h: Adjust.
453 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
455 (cp_fold) [INDIRECT_REF]: Call maybe_undo_parenthesized_ref.
458 * pt.c (tsubst_copy): Just return a local variable from
459 non-template context. Don't call rest_of_decl_compilation for
460 duplicated static locals.
461 (tsubst_decl): Set DECL_CONTEXT of local static from another
464 2016-05-31 Martin Sebor <msebor@redhat.com>
467 * init.c (warn_placement_new_too_small): Handle placement new arguments
468 that are elements of arrays more carefully. Remove a pointless loop.
470 2016-05-30 Jakub Jelinek <jakub@redhat.com>
473 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
474 when combined with target construct.
475 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
476 to cp_parser_omp_all_clauses.
478 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
481 * lambda.c (maybe_add_lambda_conv_op): Early return also when
482 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
484 2016-05-24 Martin Sebor <msebor@redhat.com>
487 * decl.c (layout_var_decl, grokdeclarator): Use
488 complete_or_array_type_p.
489 * pt.c (instantiate_class_template_1): Try to complete the element
490 type of a flexible array member.
491 (can_complete_type_without_circularity): Handle arrays of unknown bound.
492 * typeck.c (complete_type): Also complete the type of the elements of
493 arrays with an unspecified bound.
495 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
498 * typeck2.c (check_narrowing): Check pedwarn return value.
500 2016-05-24 Jakub Jelinek <jakub@redhat.com>
503 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
504 For OMP_CLAUSE_LINEAR_REF don't require type to be
507 2016-05-23 Jason Merrill <jason@redhat.com>
510 * constexpr.c (cxx_eval_call_expression): Check for
511 fun == current_function_decl again.
513 2016-05-19 David Malcolm <dmalcolm@redhat.com>
515 Backport from trunk r236483.
517 * parser.c (cp_parser_operator): For array new/delete, check that
518 cp_parser_require returned a non-NULL token before dereferencing
521 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
523 Backport from mainline
524 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
526 * decl.c (finish_enum_value_list): Use the specified mode.
528 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
531 * call.c (convert_like_real): Check that we are actually converting
534 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
537 * parser.c (cp_parser_oacc_loop): Don't augment mask with
538 OACC_LOOP_CLAUSE_MASK.
539 (cp_parser_oacc_kernels_parallel): Update call to
540 c_oacc_split_loop_clauses.
542 2016-04-28 Paolo Carlini <paolo.carlini@oracle.com>
545 * semantics.c (process_outer_var_ref): Unconditionally return
546 error_mark_node when mark_used returns false.
548 2016-04-27 Release Manager
550 * GCC 6.1.0 released.
552 2016-04-26 Jakub Jelinek <jakub@redhat.com>
555 * pt.c (build_non_dependent_expr): Temporarily disable flag_checking
558 2016-04-22 Jason Merrill <jason@redhat.com>
562 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
566 * name-lookup.c (qualified_lookup_using_namespace): Look through
569 2016-04-19 Jason Merrill <jason@redhat.com>
572 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
573 * pt.c (make_pack_expansion): Call mark_exp_read.
574 * semantics.c (finish_id_expression): Call mark_type_use in
577 2016-04-18 Jason Merrill <jason@redhat.com>
581 * class.c (type_maybe_constexpr_default_constructor): New.
582 (type_has_constexpr_default_constructor): Revert.
585 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
586 unknown_type_node, too.
588 2016-04-15 Jason Merrill <jason@redhat.com>
591 * constexpr.c (get_fundef_copy): Handle null *slot.
593 2016-04-15 Jason Merrill <jason@redhat.com>
594 Nathan Sidwell <nathan@acm.org>
597 * constexpr.c (constexpr_call_table): Preserve in GC.
598 (struct fundef_copy, struct fundef_copies_table_t): Delete.
599 (fundef_copies_table): Preserve in GC. Change to pointer to
601 (maybe_initialize_fundef_copies_table): Adjust.
602 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
603 (save_fundef_copy): Adjust for a TREE_LIST.
604 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
605 (fini_constexpr): New.
606 * cp-tree.h (fini_constexpr): Declare.
607 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
609 2016-04-15 Jakub Jelinek <jakub@redhat.com>
612 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
614 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
615 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
616 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
617 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
618 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
620 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
621 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
622 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
623 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
624 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
625 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
626 cp_parser_omp_taskloop, cp_parser_omp_construct,
627 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
628 Add IF_P argument, pass it down where needed.
629 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
630 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
633 2016-04-14 Jason Merrill <jason@redhat.com>
636 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
637 * typeck2.c (split_nonconstant_init_1): Use it.
640 * class.c (type_has_constexpr_default_constructor): Return true
641 for an implicitly declared constructor.
644 * parser.c (cp_parser_init_declarator): Add auto_result parm.
645 (cp_parser_simple_declaration): Pass it.
646 (strip_declarator_types): New.
649 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
650 initializer also makes the variable value-dependent.
653 * constexpr.c (cxx_eval_store_expression): Also copy
654 CONSTRUCTOR_NO_IMPLICIT_ZERO.
656 2016-04-14 Martin Sebor <msebor@redhat.com>
661 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
663 2016-04-14 Jason Merrill <jason@redhat.com>
665 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
666 parameter ABI change.
668 2016-04-13 Martin Sebor <msebor@redhat.com>
673 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
675 * decl.c (check_initializer, cp_finish_decl): Call them.
676 (reshape_init_r): Reject incompletely braced intializer-lists
678 * init.c (throw_bad_array_length, build_vla_check)
679 (build_vla_size_check, build_vla_init_check): Define new functions.
680 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
682 (store_init_value): Same.
684 2016-04-13 Jason Merrill <jason@redhat.com>
686 Warn about empty parameter ABI with -Wabi=9.
687 * call.c (empty_class_msg, mark_for_abi_warning)
688 (warn_empty_class_abi): New.
689 (build_call_a): Use them.
690 * decl.c (store_parm_decls): Use mark_for_abi_warning.
691 * error.c (pp_format_to_string): New.
693 Pass empty class parameters like C.
694 * call.c (pass_as_empty_struct, empty_class_arg): New.
695 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
696 (build_call_a): Use empty_class_arg.
697 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
698 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
700 2016-04-13 Jason Merrill <jason@redhat.com>
703 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
705 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
708 * pt.c (resolve_typename_type): Fix typos in infinite recursion
711 2016-04-13 Jason Merrill <jason@redhat.com>
714 * pt.c (instantiation_dependent_uneval_expression_p): Split out
715 from instantiation_dependent_expression_p.
716 (value_dependent_expression_p): Use it for unevaluated operands.
717 (instantiation_dependent_r): Don't check value-dependence.
718 (instantiation_dependent_expression_p): Check
719 value-dependence of the expression as a whole.
720 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
721 * semantics.c (finish_decltype_type): Use it.
723 * constexpr.c (potential_nondependent_constant_expression): New.
724 (potential_nondependent_static_init_expression): New.
725 (maybe_constant_value_1, fold_non_dependent_expr)
726 (maybe_constant_init): Use them.
727 * pt.c (instantiate_non_dependent_expr_sfinae)
728 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
730 * cp-tree.h: Declare them.
732 2016-04-13 Jakub Jelinek <jakub@redhat.com>
735 * decl.c (pop_labels_1): Removed.
736 (note_label, sort_labels): New functions.
737 (pop_labels): During named_labels traversal, just push the slot
738 pointers into a vector, then qsort it by DECL_UID and only then
739 call pop_label and chain it into BLOCK_VARS.
741 2016-04-13 Jason Merrill <jason@redhat.com>
744 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
745 (cp_gimplify_expr): Not here.
747 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
750 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
752 * typeck.c (build_x_conditional_expr): Unconditionally remember
753 that the result is an lvalue or xvalue.
755 2016-04-12 Jason Merrill <jason@redhat.com>
757 * class.c (is_really_empty_class): A zero-length array is empty.
758 An unnamed bit-field doesn't make a class non-empty.
760 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
763 * parser.c (cp_parser_cache_defarg): When file ends in default
764 argument simply return error_mark_node.
766 2016-04-12 Nathan Sidwell <nathan@acm.org>
769 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
772 2016-04-11 Jason Merrill <jason@redhat.com>
774 * mangle.c (decl_is_template_id): The template itself counts as a
777 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
781 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
782 on the result if it's not a CONSTRUCTOR.
784 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
787 * constexpr.c (find_constructor): New function.
788 (unshare_constructor): New function.
789 (cxx_eval_call_expression): Use unshare_constructor instead of
791 (find_array_ctor_elt): Likewise.
792 (cxx_eval_vec_init_1): Likewise.
793 (cxx_eval_store_expression): Likewise.
794 (cxx_eval_constant_expression): Likewise.
796 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
799 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
800 potentially generating a future -Wparentheses warning in its
803 2016-04-06 Jason Merrill <jason@redhat.com>
805 * class.c (check_abi_tags): Fix function template handling.
807 2016-04-05 Nathan Sidwell <nathan@acm.org>
810 * class.c (fixup_may_alias): New.
811 (fixup_attribute_variants): Call it.
813 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
816 * constexpr.c (struct fundef_copy): New struct.
817 (struct fundef_copies_table_t): New struct.
818 (fundef_copies_table): New static variable.
819 (maybe_initialize_fundef_copies_table): New static function.
820 (get_fundef_copy): New static function.
821 (save_fundef_copy): New static function.
822 (cxx_eval_call_expression): Use get_fundef_copy, and
824 (constexpr_call_table): Add "deletable" GTY marker.
826 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
829 * cp-tree.h (class cache_map): Remove.
830 * constexpr.c (cv_cache): Change type to
831 GTY((deletable)) hash_map<tree, tree> *.
832 (maybe_constant_value): Adjust following the change to cv_cache.
833 (clear_cv_cache): New static function.
834 (clear_cv_and_fold_caches): Use it.
835 * cp-gimplify.c (fold_cache): Change type to
836 GTY((deletable)) hash_map<tree, tree> *.
837 (clear_fold_cache): Adjust following the change to fold_cache.
840 2016-04-02 Martin Sebor <msebor@redhat.com>
846 * constexpr.c (diag_array_subscript): New function.
847 (cxx_eval_array_reference): Detect out of bounds array indices.
849 2016-04-01 Jason Merrill <jason@redhat.com>
853 * pt.c (instantiate_decl): A function isn't fully defined if
854 DECL_INITIAL is error_mark_node.
855 * constexpr.c (cxx_eval_call_expression): Likewise.
857 2016-04-01 Jakub Jelinek <jakub@redhat.com>
858 Marek Polacek <polacek@redhat.com>
861 * init.c (warn_placement_new_too_small): Test whether
862 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
864 2016-04-01 Nathan Sidwell <nathan@acm.org>
867 * decl.c (check_redeclaration_exception_specification): Check
868 regardless of -fno-exceptions.
869 * typeck2.c (merge_exception_specifiers): Relax assert by checking
872 2016-03-31 Nathan Sidwell <nathan@acm.org>
874 * decl.c (start_preparsed_function): Remove unnecessary bracing.
875 (finish_destructor_body): Don't emit operator delete here.
877 2016-03-31 Nathan Sidwell <nathan@acm.org>
880 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
881 elements in field order.
883 2016-03-31 Marek Polacek <polacek@redhat.com>
886 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
888 2016-03-31 Richard Biener <rguenther@suse.de>
891 * typeck.c (cp_build_binary_op): Fix operand order of vector
892 conditional in truth op handling.
894 2016-03-29 Jason Merrill <jason@redhat.com>
897 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
898 in constexpr functions.
900 2016-03-28 Jason Merrill <jason@redhat.com>
905 * decl.c, pt.c, constexpr.c: Revert last patch.
907 2016-03-25 Jason Merrill <jason@redhat.com>
908 Martin Liška <mliska@suse.cz>
913 * decl.c (cp_fname_init): Decay the initializer to pointer.
914 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
915 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
916 Don't call cp_finish_decl.
917 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
918 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
919 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
920 Handle DECL_VALUE_EXPR.
922 2016-03-24 Jason Merrill <jason@redhat.com>
925 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
928 * constexpr.c (cxx_eval_call_expression): Don't cache result if
931 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
934 * tree.c (build_cplus_array_type): Determine type-dependentess
935 with uses_template_parms instead of with dependent_type_p.
937 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
940 * typeck.c (process_init_constructor_union): If the initializer
941 is empty, use the union's NSDMI if it has one.
943 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
946 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
947 NSDMI that's part of an aggregrate initialization.
949 2016-03-23 Jakub Jelinek <jakub@redhat.com>
952 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
953 for 1..max even for multi-dimensional arrays. Call unshare_expr
957 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
958 on TREE_OVERFLOW constants.
961 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
962 for OMP_TASKLOOP here.
963 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
964 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
966 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
967 Jason Merrill <jason@redhat.com>
968 Jakub Jelinek <jakub@redhat.com>
971 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
972 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
973 (finish_function): Don't set or test them.
974 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
976 2016-03-23 Jason Merrill <jason@redhat.com>
979 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
981 2016-03-23 Marek Polacek <polacek@redhat.com>
984 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
986 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
988 * call.c (build_conditional_expr_1): Always use original
989 condition type for vector type checks and build.
991 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
994 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
996 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
999 * constexpr.c (non_const_var_error): Check
1000 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1002 2016-03-21 Richard Henderson <rth@redhat.com>
1005 * decl.c (notice_forced_label_r): New.
1006 (cp_finish_decl): Use it.
1008 2016-03-21 Jason Merrill <jason@redhat.com>
1011 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
1013 2016-03-18 Jason Merrill <jason@redhat.com>
1016 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
1019 * class.c (vptr_via_virtual_p): New.
1020 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
1021 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
1022 a vptr from any virtual base in a not-in-charge 'structor.
1024 * decl.c (build_clobber_this): Factor out of
1025 start_preparsed_function and begin_destructor_body. Handle
1026 virtual bases better.
1028 * class.c (build_if_in_charge): Split out from build_base_path.
1029 * init.c (expand_virtual_init, expand_default_init): Use it.
1030 * call.c (build_special_member_call): Use it.
1032 2016-03-18 Jakub Jelinek <jakub@redhat.com>
1035 * init.c (build_new_1): Complain and return error_mark_node
1036 if alloc_fn is not _Jv_AllocObject function returning pointer.
1038 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1041 * search.c (adjust_result_of_qualified_name_lookup): Don't
1042 update the BASELINK_BINFO of DECL if the second call
1043 to lookup_base fails.
1045 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1048 * parser.c (cp_parser_lambda_expression): Move call to
1049 pop_deferring_access_checks ahead of the call to
1050 cp_parser_end_tentative_firewall.
1052 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1055 * cp-tree.h (magic_varargs_p): Return int instead of bool.
1056 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
1057 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
1059 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
1060 if magic_varargs_p == 1, call decay_conversion
1061 instead of mark_type_use. Don't store error_mark_node arguments to
1062 argarray, instead return error_mark_node.
1065 * decl.c (begin_destructor_body): Don't insert clobber if
1066 is_empty_class (current_class_type).
1068 2016-03-17 Marek Polacek <polacek@redhat.com>
1071 * typeck.c (warn_for_null_address): New function.
1072 (cp_build_binary_op): Call it.
1074 2016-03-16 Jason Merrill <jason@redhat.com>
1077 * decl.c (start_preparsed_function): Don't clobber an empty base.
1079 2016-03-16 Jakub Jelinek <jakub@redhat.com>
1082 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
1083 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
1086 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
1087 set in_base_initializer.
1089 2016-03-15 Marek Polacek <polacek@redhat.com>
1092 * tree.c (strip_typedefs): Call strip_typedefs again on the
1093 DECL_ORIGINAL_TYPE result.
1095 2016-03-15 Jason Merrill <jason@redhat.com>
1098 * pt.c (instantiate_decl): Fix call to variable_template_p.
1101 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
1103 2016-03-14 Casey Carter <casey@carter.net>
1104 Jason Merrill <jason@redhat.com>
1106 P0184R0: Generalizing the Range-Based For Loop
1107 * parser.c (cp_convert_range_for): Set the type of __end separately.
1108 (cp_parser_perform_range_for_lookup): Allow different begin/end
1109 types if they are comparable.
1111 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
1114 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
1115 processing_template_decl and EXPR is a SCOPE_REF.
1117 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
1118 Jakub Jelinek <jakub@redhat.com>
1121 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
1122 return value from cxx_eval_constant_expression from earlier
1123 elements if it is valid constant initializer requiring no
1126 2016-03-10 Marek Polacek <polacek@redhat.com>
1129 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
1131 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
1133 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
1134 when calling c_finish_omp_clauses.
1136 2016-03-08 Jason Merrill <jason@redhat.com>
1138 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
1139 diagnostic for use of "concept".
1140 (cp_parser_requires_clause_opt): And "requires".
1141 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
1142 (cp_parser_explicit_template_declaration): Adjust.
1143 * Make-lang.in (check-c++-all): Add "concepts" to std list.
1145 P0036R0: Unary Folds and Empty Parameter Packs
1146 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
1148 2016-03-08 Jakub Jelinek <jakub@redhat.com>
1151 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
1152 even after the last iteration of the loop.
1154 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
1156 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
1159 * pt.c (get_template_info): Handle PARM_DECL.
1160 (template_class_depth): Check DECL_P instead of
1161 VAR_OR_FUNCTION_DECL_P.
1163 2016-03-05 Jason Merrill <jason@redhat.com>
1166 * constexpr.c (cxx_eval_store_expression): Replace
1167 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
1169 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
1172 * pt.c (template_class_depth): Given a lambda type, iterate
1173 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
1174 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
1177 2016-03-04 Jason Merrill <jason@redhat.com>
1180 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
1181 * init.c (build_vec_delete_1): Set it.
1182 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
1184 2016-03-04 Jakub Jelinek <jakub@redhat.com>
1186 * decl.c (start_preparsed_function): Don't emit start clobber at the
1187 start of constructor clones.
1190 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
1191 * decl.c (start_preparsed_function): Call
1192 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
1193 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
1194 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
1196 2016-03-04 Jason Merrill <jason@redhat.com>
1199 * constexpr.c (cxx_eval_component_reference): Further tweak.
1201 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
1202 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
1203 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
1204 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
1207 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
1210 2016-03-03 Jason Merrill <jason@redhat.com>
1212 * method.c (synthesized_method_walk): operator= can also be constexpr.
1214 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
1215 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
1218 * pt.c (copy_template_args): New.
1219 (tsubst_pack_expansion): Use it.
1221 * call.c (build_aggr_conv): Use get_nsdmi.
1224 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
1227 * constexpr.c (cxx_eval_component_reference): Just return an empty
1228 CONSTRUCTOR for an empty class.
1230 2016-03-01 Jason Merrill <jason@redhat.com>
1233 * parser.c (cp_parser_requires_clause): Call
1234 check_for_bare_parameter_packs.
1237 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
1241 * constexpr.c (cxx_eval_call_expression): Unshare arg.
1242 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
1243 [TARGET_EXPR]: Unshare init.
1245 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
1249 * pt.c (tsubst_baselink): Reinstate the check for an invalid
1252 2016-02-28 Jason Merrill <jason@redhat.com>
1255 * constexpr.c (cxx_eval_store_expression): Unshare init.
1257 2016-02-26 Jason Merrill <jason@redhat.com>
1260 * pt.c (make_argument_pack): New.
1261 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
1262 (tsubst_copy_and_build): Likewise.
1264 2016-02-25 Jason Merrill <jason@redhat.com>
1267 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
1268 * tree.c (build_aggr_init_expr): Set it.
1269 * semantics.c (simplify_aggr_init_expr): Check it.
1270 * cp-gimplify.c (cp_genericize_r): Don't walk into
1271 a call/aggr_init from a thunk.
1274 * method.c (forward_parm): Handle parameter packs.
1275 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
1278 * constexpr.c (cxx_eval_component_reference): Don't complain about
1279 unevaluated empty classes.
1282 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
1284 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
1287 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
1288 (maybe_undo_parenthesized_ref): Declare.
1289 * semantics.c (maybe_undo_parenthesized_ref): Split out from
1291 (finish_call_expr): Use it.
1292 * typeck.c (check_return_expr): Use it.
1293 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
1294 REF_PARENTHESIZED_P flag.
1296 2016-02-24 Jakub Jelinek <jakub@redhat.com>
1299 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
1301 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
1303 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
1304 unless they are folded into INTEGER_CST, error_mark_node or some
1305 comparison with NULL, avoid folding them and use either the original
1306 comparison or non-folded comparison of folded arguments.
1307 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
1308 comparison, don't fold the comparison right away.
1310 2016-02-24 Jason Merrill <jason@redhat.com>
1313 * friend.c (make_friend_class): Likewise.
1314 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
1316 2016-02-24 Jason Merrill <jason@redhat.com>
1319 * pt.c (instantiate_class_template_1): Set
1320 processing_template_decl before substituting friend_type.
1322 016-02-24 Martin Sebor <msebor@redhat.com>
1325 * tree.c (build_ctor_subob_ref): Compare types' main variants
1326 instead of the types as they are.
1328 2016-02-24 Jason Merrill <jason@redhat.com>
1330 * decl.c (start_preparsed_function): Condition ctor clobber on
1331 flag_lifetime_dse > 1.
1333 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
1335 2016-02-19 Jason Merrill <jason@redhat.com>
1338 * call.c (remaining_arguments): No longer static.
1339 * cp-tree.h: Declare it.
1340 * pt.c (more_specialized_fn): Use it.
1342 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1343 Bernd Edlinger <bernd.edlinger@hotmail.de>
1345 * Make-lang.in: Invoke gperf with -L C++.
1346 * cfns.gperf: Remove prototypes for hash and libc_name_p
1348 * cfns.h: Regenerated.
1349 * except.c (nothrow_libfn_p): Adjust.
1351 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1354 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
1355 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
1357 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
1360 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
1362 * semantics.c (finish_call_expr): Don't assume a constructor
1363 call is dependent if only the "this" pointer is dependent. When
1364 building a constructor call, always use a dummy object.
1366 2016-02-19 Jakub Jelinek <jakub@redhat.com>
1369 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
1371 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
1372 operators if folding preserved the binop, just with different
1376 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
1377 attr_spec is always single element chain, chain all the attributes
1378 properly together in the right order.
1380 2016-02-18 Jason Merrill <jason@redhat.com>
1382 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
1384 (mangle_decl): Call maybe_check_abi_tags for function scope.
1385 (mangle_guard_variable): Call maybe_check_abi_tags here.
1386 (write_guarded_var_name): Not here.
1388 2016-02-17 Jason Merrill <jason@redhat.com>
1391 * constexpr.c (build_constexpr_constructor_member_initializers):
1392 Handle an additional STATEMENT_LIST.
1395 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
1398 * decl2.c (reset_type_linkage_2): Look through member templates.
1400 2016-02-17 Jakub Jelinek <jakub@redhat.com>
1403 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
1405 2016-02-17 Jason Merrill <jason@redhat.com>
1408 * method.c (forward_parm): Split out from...
1409 (add_one_base_init): ...here.
1410 * lambda.c (maybe_add_lambda_conv_op): Use it.
1412 2016-02-16 Jason Merrill <jason@redhat.com>
1416 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
1417 tree.c, typeck2.c: Revert earlier changes.
1418 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
1419 non-type templates after -> or .
1421 2016-02-16 Jakub Jelinek <jakub@redhat.com>
1424 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
1426 2016-02-16 Jason Merrill <jason@redhat.com>
1429 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
1430 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
1431 * name-lookup.h: Adjust.
1433 2016-02-16 James Norris <jnorris@codesourcery.com>
1435 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
1436 * semantics.c (finish_omp_clauses): Add deviceptr checking.
1438 2016-02-15 Jakub Jelinek <jakub@redhat.com>
1441 * init.c (expand_default_init): Only call reshape_init
1442 in the direct-initialization from an initializer list case.
1444 2016-02-15 Jason Merrill <jason@redhat.com>
1447 * semantics.c (finish_call_expr): Implicit 'this' does not make
1449 * search.c (any_dependent_bases_p): Split out...
1450 * name-lookup.c (do_class_using_decl): ...from here.
1451 * call.c (build_new_method_call_1): Don't complain about missing object
1452 if there are dependent bases. Tweak error.
1453 * tree.c (non_static_member_function_p): Remove.
1454 * pt.c (type_dependent_expression_p): A member template of a
1455 dependent type is dependent.
1456 * cp-tree.h: Adjust.
1459 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
1461 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
1464 * pt.c (lookup_and_finish_template_variable): New function,
1466 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
1467 (tsubst_qualified_id): Consider that EXPR might be a variable
1469 * typeck.c (check_template_keyword): Don't emit an error
1470 if DECL is a variable template.
1472 2016-02-12 Jakub Jelinek <jakub@redhat.com>
1474 * error.c: Spelling fixes - behaviour -> behavior and
1475 neighbour -> neighbor.
1477 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
1479 * init.c (build_delete): Likewise.
1481 2016-02-11 Jakub Jelinek <jakub@redhat.com>
1484 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
1485 arguments for -Waddress warning. Fix up formatting.
1487 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
1490 * pt.c (lookup_template_class_1): Check tsubst return value for
1493 2016-02-10 Jason Merrill <jason@redhat.com>
1496 * pt.c (resolve_nondeduced_context): Add complain parm.
1497 (do_auto_deduction): Pass it.
1498 * cvt.c (convert_to_void): Likewise.
1499 * decl.c (cp_finish_decl): Likewise.
1500 * init.c (build_new): Likewise.
1501 * rtti.c (get_tinfo_decl_dynamic): Likewise.
1502 * semantics.c (finish_decltype_type): Likewise.
1503 * typeck.c (decay_conversion): Likewise.
1504 * cp-tree.h: Adjust declaration.
1505 * call.c (standard_conversion): Add complain parm, pass it along.
1506 (implicit_conversion): Pass it.
1509 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
1510 (lookup_name_real_1): Likewise.
1511 (remove_hidden_names): Handle non-functions too.
1514 * parser.c (cp_parser_lookup_name): When looking for a template
1515 after . or ->, only consider class templates.
1516 (cp_parser_postfix_dot_deref_expression): Handle the current
1517 instantiation. Remember a dependent object expression.
1518 * typeck2.c (build_x_arrow): Handle the current instantiation.
1520 * ptree.c (debug_tree): Implement for cp_expr.
1522 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
1525 * parser.c (cp_parser_simple_type_specifier): Make the check
1526 for disambiguating between an 'auto' placeholder and an implicit
1527 template parameter more robust.
1529 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
1533 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
1534 setting its TREE_USED flag.
1536 2016-02-08 Jason Merrill <jason@redhat.com>
1539 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
1542 2016-02-08 Jakub Jelinek <jakub@redhat.com>
1545 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
1546 of the DECL_OMP_DECLARE_REDUCTION_P decls.
1548 2016-02-08 Marek Polacek <polacek@redhat.com>
1551 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
1552 Call clear_fold_cache.
1553 * cp-tree.h: Adjust declaration.
1554 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
1555 rather than clear_cv_cache and clear_fold_cache.
1556 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
1558 2016-02-08 Jason Merrill <jason@redhat.com>
1560 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
1561 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
1562 (ocp_convert): Use *_maybe_fold.
1563 (cp_convert_to_pointer): Add dofold parameter.
1564 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
1566 2016-02-05 Martin Sebor <msebor@redhat.com>
1569 * init.c (find_field_init): New function.
1570 (warn_placement_new_too_small): Call it. Handle one-element arrays
1571 at ends of structures special.
1573 2016-02-05 Jason Merrill <jason@redhat.com>
1576 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
1577 make sure we've seen_error().
1579 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
1582 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
1583 if lookup_fnfields returns NULL_TREE and the name being looked
1584 up has the form A::A.
1586 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
1588 * constexpr.c (cxx_eval_binary_expression): Fold equality
1589 comparisons involving PTRMEM_CSTs.
1591 2016-02-04 Jakub Jelinek <jakub@redhat.com>
1593 * class.c (find_flexarrays): Don't declare dom variable.
1594 (diagnose_flexarray): Likewise.
1596 2016-02-02 Martain Sebor <msebor@redhat.com>
1603 * class.c (walk_subobject_offsets): Avoid testing the upper bound
1604 of a flexible array member for equality to null.
1605 (find_flexarrays): Remove spurious whitespace introduced in r231665.
1606 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
1607 (check_flexarrays): Same.
1608 * decl.c (compute_array_index_type): Avoid special case for flexible
1610 (grokdeclarator): Avoid calling compute_array_index_type for flexible
1612 * error.c (dump_type_suffix): Revert changes introduced in r231665
1613 and rendered unnecessary by the changes above.
1614 * pt.c (tsubst): Same.
1615 * tree.c (build_ctor_subob_ref): Handle flexible array members.
1616 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
1617 (process_init_constructor_array): Same.
1618 (process_init_constructor_record): Same.
1620 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
1623 * pt.c (try_one_overload): Handle comparing argument packs so
1624 that there is no conflict if we deduced more arguments of an
1625 argument pack than were explicitly specified.
1627 2016-01-31 Jakub Jelinek <jakub@redhat.com>
1628 Jason Merrill <jason@redhat.com>
1631 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
1632 function type if nothing is changing.
1634 2016-01-31 Jason Merrill <jason@redhat.com>
1637 * pt.c (partial_specialization_p, impartial_args): New.
1638 (instantiate_decl): Call impartial_args.
1640 * mangle.c (maybe_check_abi_tags): New.
1641 (write_guarded_var_name): Call it.
1642 (mangle_ref_init_variable): Call check_abi_tags.
1644 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
1645 between template and instantiation.
1647 2016-01-29 Jakub Jelinek <jakub@redhat.com>
1650 * decl.c (wrapup_globals_for_namespace): Warn about unused static
1651 function declarations.
1653 2016-01-29 Marek Polacek <polacek@redhat.com>
1657 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
1658 out of bound" error earlier.
1659 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
1662 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
1664 * name-lookup.c (begin_scope): After reusing a cp_binding_level
1665 structure, update free_binding_level before the structure's
1666 level_chain field gets cleared, not after.
1668 2016-01-28 Jason Merrill <jason@redhat.com>
1671 * search.c (dfs_walk_once, dfs_walk_once_r)
1672 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
1673 hash_set instead of BINFO_MARKED.
1674 (dfs_unmark_r): Remove.
1676 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
1679 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
1680 (cp_lexer_debugging_p): Use it.
1681 (cp_lexer_start_debugging): Likewise.
1682 (cp_lexer_stop_debugging): Likewise.
1684 2016-01-27 Marek Polacek <polacek@redhat.com>
1687 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
1688 needed. Add -Wsign-compare warning.
1690 2016-01-27 Ryan Burn <contact@rnburn.com>
1693 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
1694 superfluous post_p argument in call to
1695 cilk_gimplify_call_params_in_spawned_fn.
1697 2016-01-27 Marek Polacek <polacek@redhat.com>
1700 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
1701 wrapped in NOP_EXPRs.
1703 2016-01-27 Martin Sebor <msebor@redhat.com>
1706 * mangle.c (mangle_decl): Reference the correct (saved) version
1707 of the ABI in -Wabi diagnostics.
1709 2016-01-27 Marek Polacek <polacek@redhat.com>
1712 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
1713 elements of the array.
1715 2016-01-26 Jason Merrill <jason@redhat.com>
1718 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
1719 (cxx_eval_call_expression): Don't look through clones.
1720 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
1721 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
1722 maybe-in-charge *tor.
1724 2016-01-26 Jason Merrill <jason@redhat.com>
1727 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
1728 and TREE_SIDE_EFFECTS.
1729 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
1730 verify_constructor_flags.
1732 2016-01-26 Jakub Jelinek <jakub@redhat.com>
1735 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
1736 return error_mark_node instead of building trees with error_mark_node
1739 2016-01-26 David Malcolm <dmalcolm@redhat.com>
1742 * error.c (print_instantiation_partial_context_line): Add missing
1743 newlines from output for the t == NULL case.
1744 (print_instantiation_partial_context): Remove call to pp_newline.
1746 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
1749 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
1754 * decl.c (grokdeclarator): Don't decay array parameter type to
1755 a pointer type if it's dependent.
1756 (grokparms): Invoke strip_top_quals instead of directly invoking
1757 cp_build_qualified_type.
1758 * pt.c (decay_dependent_array_parm_type): New static function.
1759 (type_unification_real): Call decay_dependent_array_parm_type
1760 to decay a dependent array parameter type to its corresponding
1761 pointer type before unification.
1762 (more_specialized_fn): Likewise.
1763 (get_bindings): Likewise.
1764 * tree.c (cp_build_qualified_type): Trivial typofix in
1767 2016-01-23 Martin Sebor <msebor@redhat.com>
1771 * decl2.c (is_late_template_attribute): Handle dependent argument
1772 to attribute align and attribute vector_size.
1774 2016-01-21 Jason Merrill <jason@redhat.com>
1777 * lambda.c (lambda_capture_field_type): Handle 'this' specially
1778 for init-capture, too.
1781 * decl.c (type_is_deprecated): Don't look into a typedef.
1785 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
1788 * decl.c (start_enum): Add attributes parameter.
1789 * parser.c (cp_parser_enum_specifier): Pass it.
1790 * pt.c (lookup_template_class_1): Pass it.
1791 * cp-tree.h: Adjust.
1793 2016-01-19 Jason Merrill <jason@redhat.com>
1796 * pt.c (convert_template_argument): Handle VAR_DECL properly.
1798 2016-01-19 Marek Polacek <polacek@redhat.com>
1801 * constexpr.c (clear_cv_cache): New.
1802 * cp-gimplify.c (clear_fold_cache): New.
1803 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
1804 * decl.c (finish_enum_value_list): Call them.
1807 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
1809 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
1814 * decl.c (grokdeclarator): Don't decay array parameter type to
1815 a pointer type if it's dependent.
1816 (grokparms): Invoke strip_top_quals instead of directly invoking
1817 cp_build_qualified_type.
1818 * pt.c (decay_dependent_array_parm_type): New static function.
1819 (type_unification_real): Call decay_dependent_array_parm_type
1820 to decay a dependent array parameter type to its corresponding
1821 pointer type before unification.
1822 (more_specialized_fn): Likewise.
1823 (get_bindings): Likewise.
1824 * tree.c (cp_build_qualified_type): Trivial typofix in
1827 2016-01-18 Jason Merrill <jason@redhat.com>
1829 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
1831 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
1834 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
1835 (contains_label_1, contains_label_p): Remove.
1837 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
1840 * pt.c (type_dependent_expression_p): For a function template
1841 specialization, a type is dependent iff any of its template
1844 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
1846 * cp-array-notation.c (cp_expand_cond_array_notations): Return
1847 error_mark_node only if find_rank failed, not if it was
1850 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
1853 * tree.c (build_min_non_dep_call_vec): Don't retain the
1854 KOENIG_LOOKUP_P flag of the non-dependent expression that's
1856 (build_min_non_dep_op_overload): Instead, do it here.
1858 2016-01-15 Jakub Jelinek <jakub@redhat.com>
1861 * parser.h (cp_token): Remove pragma_kind field. Add comment
1862 with number of unused bits.
1863 * parser.c (eof_token): Remove pragma_kind field initializer.
1864 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
1865 field, don't clear CPP_PRAGMA u.value.
1866 (cp_parser_pragma_kind): New function.
1867 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
1868 cp_parser_omp_construct, cp_parser_initial_pragma,
1869 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
1872 2016-01-15 Jason Merrill <jason@redhat.com>
1875 * call.c (build_cxx_call): Use fold_non_dependent_expr.
1877 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
1881 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
1882 array/function-to-pointer conversion. Call
1883 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
1884 * call.c (convert_like_real): Print call context if
1885 decay_conversion errors.
1887 2016-01-14 Tom de Vries <tom@codesourcery.com>
1889 PR tree-optimization/68773
1890 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
1893 2016-01-14 Jason Merrill <jason@redhat.com>
1896 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
1898 2016-01-12 Marek Polacek <polacek@redhat.com>
1901 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
1902 error_at and adjust the return value.
1904 2016-01-12 Jakub Jelinek <jakub@redhat.com>
1908 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
1909 GS_ERROR whenever seen_error (), only if *expr_p contains
1910 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
1914 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
1916 2016-01-11 Jason Merrill <jason@redhat.com>
1919 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
1920 (process_subob_fn): Likewise. Don't consider triviality if true.
1921 (synthesize_method_walk): Pass it.
1923 2016-01-11 David Malcolm <dmalcolm@redhat.com>
1926 * parser.c (cp_parser_postfix_expression): Initialize
1927 close_paren_loc to UNKNOWN_LOCATION; only use it if
1928 it has been written to by
1929 cp_parser_parenthesized_expression_list.
1930 (cp_parser_parenthesized_expression_list): Document the behavior
1931 with respect to the CLOSE_PAREN_LOC param.
1933 2016-01-11 Jakub Jelinek <jakub@redhat.com>
1936 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
1937 folded operands have side-effects, but folding changed any of them,
1938 build a new tree with the folded operands instead of returning the
1941 2016-01-09 Marek Polacek <polacek@redhat.com>
1944 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
1946 2016-01-09 Jakub Jelinek <jakub@redhat.com>
1949 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
1951 2016-01-08 Jason Merrill <jason@redhat.com>
1954 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
1957 2016-01-08 Marek Polacek <polacek@redhat.com>
1960 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
1962 2016-01-08 Jason Merrill <jason@redhat.com>
1964 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
1969 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
1970 TREE_ADDRESSABLE type.
1974 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
1976 2016-01-05 Nathan Sidwell <nathan@acm.org>
1979 * pt.c (build_non_dependent_expr): Don't try a checking fold when
1982 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1984 Update copyright years.
1986 Copyright (C) 2016 Free Software Foundation, Inc.
1988 Copying and distribution of this file, with or without modification,
1989 are permitted in any medium without royalty provided the copyright
1990 notice and this notice are preserved.