1 2016-08-10 Jason Merrill <jason@redhat.com>
3 Implement C++17 constexpr if.
4 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
5 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
6 * parser.h (struct cp_parser): Add in_discarded_stmt field.
7 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
8 (cp_parser_jump_statement): Avoid deducing from a discarded return.
9 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
10 * semantics.c (begin_if_stmt): Set the binding level this_entity.
11 (finish_if_stmt_cond): Require the condition of a
12 constexpr if to be constant.
13 * decl.c (level_for_constexpr_if): New.
14 (named_label_entry): Add in_constexpr_if field.
15 (poplevel_named_label_1): Set it.
16 (check_goto): Check it.
17 (check_previous_goto_1): Check level_for_constexpr_if.
19 2016-08-09 Jason Merrill <jason@redhat.com>
22 * decl2.c (any_dependent_type_attributes_p): New.
23 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
24 * semantics.c (finish_id_expression): Check it.
25 * typeck.c (finish_class_member_access_expr): Check it.
28 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
30 Adjust mangling of ABI tags on class template member functions.
31 * class.c (missing_abi_tags): New.
32 (check_abi_tags): Don't check template. Add just_checking mode.
33 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
34 (sorted_abi_tags): Split out from write_abi_tags.
35 (struct releasing_vec): New.
36 (write_unqualified_name): Only look for the primary
37 template for types. Implement backward compatibility.
40 * constexpr.c (cxx_eval_constant_expression): Check
41 COMPLETE_TYPE_P before calling is_really_empty_class.
42 * class.c (is_really_empty_class): Don't call complete_type.
45 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
47 2016-08-09 Jakub Jelinek <jakub@redhat.com>
50 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
51 builtin aggregate types without TYPE_BINFO.
53 2016-08-08 Jason Merrill <jason@redhat.com>
55 Implement C++17 constexpr lambda.
56 * class.c (finalize_literal_type_property): Handle lambdas.
57 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
58 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
60 (cxx_eval_constant_expression): Handle capture proxy.
61 (var_in_constexpr_fn): Don't check for C++14.
62 (var_in_maybe_constexpr_fn): New.
63 (potential_constant_expression_1): Use it. Check DECL_EXPR for
64 declarations not allowed in constexpr function. Handle
65 STATIC_ASSERT, RANGE_FOR_STMT.
66 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
67 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
68 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
69 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
70 (lambda_static_thunk_p): New.
71 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
72 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
73 (cp_parser_decl_specifier_seq): Handle it.
74 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
75 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
76 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
77 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
78 (dump_expr) [FUNCTION_DECL]: Pass it.
80 2016-08-08 Jason Merrill <jason@redhat.com>
83 * class.c (is_really_empty_class): Call complete_type.
84 * constexpr.c (cxx_eval_constant_expression): Check
85 is_really_empty_class.
86 (potential_constant_expression_1): Likewise. Check for error type.
88 2016-08-08 Jakub Jelinek <jakub@redhat.com>
91 * parser.c: Include tree-iterator.h.
92 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
94 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
97 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
99 * call.c (convert_like_real): Harmonize diagnostics for invalid
102 2016-08-05 Martin Sebor <msebor@redhat.com>
104 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
105 the spelling of "constant-expression" in diagnostic messages
107 (cxx_eval_constant_expression): Same.
108 (cxx_eval_outermost_constant_expr): Same.
109 (potential_constant_expression_1): Same.
111 2016-08-05 Nathan Sidwell <nathan@acm.org>
114 * pt.c (unify): TRAIT_EXPR is an expr.
116 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
119 * lambda.c (add_capture): Check lambda_capture_field_type return
120 value for error_mark_node.
122 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
125 * pt.c (tsubst_qualified_id): Return error_mark_node if
126 template_args is error_mark_node.
128 2016-08-04 Jason Merrill <jason@redhat.com>
131 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
134 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
135 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
136 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
137 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
140 * typeck.c (finish_class_member_access_expr): Avoid stripping
141 SCOPE_REF to dependent base.
143 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
145 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
146 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
147 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
148 Simplify code, and improve diagnostics.
149 (cp_parser_oacc_routine): Likewise. Move pragma context
151 (cp_parser_pragma): ... here.
153 * parser.h (struct cp_omp_declare_simd_data): New.
154 (struct cp_parser): Use it for oacc_routine member.
155 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
156 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
157 Use it. Simplify code.
158 (cp_parser_new): Initialize all members pointing to special
159 parsing data structures.
160 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
161 parser->cilk_simd_fn_info->clauses.
162 (cp_parser_omp_declare_simd): Initialize
163 parser->omp_declare_simd->clauses.
164 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
166 2016-08-04 Marek Polacek <polacek@redhat.com>
169 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
172 2016-08-01 Jason Merrill <jason@redhat.com>
174 * mangle.c (mangle_decl): Warn about mangled name change even if
177 * mangle.c (get_abi_tags): New.
178 (find_substitution, write_unqualified_name, write_abi_tags)
179 (maybe_check_abi_tags): Use it.
181 * mangle.c (mangle_decl): Fix mangled name change warning.
184 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
186 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
189 2016-07-30 Martin Sebor <msebor@redhat.com>
193 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
194 involving null pointers.
195 (cxx_eval_component_reference): Reject null pointer dereferences.
196 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
197 (cxx_eval_constant_expression): Reject invalid expressions involving
200 2016-07-29 Marek Polacek <polacek@redhat.com>
203 * semantics.c (maybe_convert_cond): Use the location of COND for the
206 2016-07-29 Jason Merrill <jason@redhat.com>
208 * decl.c (build_enumerator): Tweak diagnostic.
211 * init.c (expand_aggr_init_1): Only handle value-init of bases.
212 * constexpr.c (build_data_member_initialization): Handle multiple
213 initializers for the same field.
215 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
218 * decl.c (build_enumerator): Check the type of the enumerator before
219 calling cxx_constant_value.
221 2016-07-27 Jason Merrill <jason@redhat.com>
224 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
225 parameters with spec_tmpl. Call push_tinst_level.
226 (most_specialized_partial_spec): Adjust.
227 (more_specialized_partial_spec): Adjust.
229 2016-07-25 Jason Merrill <jason@redhat.com>
232 * cp-gimplify.c (genericize_cp_loop): Revert location change.
235 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
236 (build_lambda_object): Call build_x_compound_expr_from_list.
237 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
241 * pt.c (coerce_template_parameter_pack): Fix logic for
245 * constexpr.c (cxx_eval_loop_expr): Count iterations.
246 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
250 * constexpr.c (cxx_eval_array_reference): Handle looking for the
251 value of an element we're currently modifying.
253 2016-07-24 Jason Merrill <jason@redhat.com>
256 * pt.c (resolve_typename_type): Try to avoid calling
257 currently_open_class.
259 2016-07-23 Jason Merrill <jason@redhat.com>
262 * call.c (add_list_candidates): Handle VTT parm.
263 (build_new_method_call_1): Likewise.
267 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
270 * class.c (walk_subobject_offsets): Handle 0-length array.
273 * pt.c (tsubst): Also substitute into the template of a
274 BOUND_TEMPLATE_TEMPLATE_PARM.
277 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
280 * decl.c (reshape_init_r): Check complain for missing braces warning.
282 2016-07-22 Jason Merrill <jason@redhat.com>
285 * call.c (convert_like_real): Use lvalue_kind.
289 * pt.c (tsubst_baselink): Call
290 adjust_result_of_qualified_name_lookup for unqualified
293 2016-07-21 Jason Merrill <jason@redhat.com>
296 * semantics.c (apply_deduced_return_type): Call
297 complete_type_or_else before building the new RESULT_DECL.
300 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
301 (decl_constant_var_p): Use it instead.
304 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
308 * call.c (unsafe_copy_elision_p): It's OK to elide when
309 initializing an unknown object.
311 * call.c (build_over_call): Check unsafe_copy_elision_p even for
312 trivial constructors.
313 * method.c (do_build_copy_constructor): Don't copy tail padding
314 even in a trivial constructor.
316 2016-07-21 Jakub Jelinek <jakub@redhat.com>
319 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
320 Replace assert with test, return false if the goto isn't break
321 or continue. Formatting fix.
323 2016-07-21 Richard Biener <rguenther@suse.de>
325 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
328 2016-07-21 Jakub Jelinek <jakub@redhat.com>
331 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
332 save/restore bc_label array.
334 2016-07-21 Jason Merrill <jason@redhat.com>
337 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
338 error parsing the lambda-declarator.
341 * constexpr.c (cxx_eval_binary_expression): Handle comparison
342 between lowered and unlowered PTRMEM_CST.
345 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
346 Don't set c_inhibit_evaluation_warnings.
349 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
351 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
352 Jason Merrill <jason@redhat.com>
354 Improving concepts performance and diagnostics.
358 * cp-tree.def (CHECK_CONSTR): New.
359 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
360 (CHECK_CONSTR_ARGS): New.
361 * constraint.cc (make_predicate_constraint): Remove in favor of
362 normalize_expression.
363 (resolve_constraint_check): Actually return error_mark_node when
365 (resolve_variable_concept_check): Perform coercion as if processing
366 a template. Also return errors on resolution failure.
367 (lift_*): Remove all of these functions. Don't unnecessarily inline
369 (learn_*): Add facilities to memoize implications for subsumption
370 during normalization.
371 (expanding_concept): New.
372 (expand_concept): New. Return the inlined and normalized definition
373 of a concept when needed.
374 (transform_*, xform_*): Rename to normalize_* to better reflect the
375 responsibility of those functions.
376 (normalize_template_id_expression): Check for non-boolean operands
377 when possible. Generate check constraints instead of normal variable
379 (normalize_call_expression): Report errors when resolution fails.
380 (check_for_logical_overloads): Rewrite this check to more accurately
382 (normalize_atom): Check for overloaded calls and invalid types before
383 determining if the expression refers to a concept.
384 (build_constraints): Don't cache normalized constraints or decomposed
386 (finish_shorthand_constraint): Return a normalized expression instead
387 of a predicate constraint.
388 (finish_template_introduction): Same.
389 (placeholder_extract_concept_and_args): Rewrite this since we only
390 ever get check constraints here.
391 (equivalent_placeholder_constraints): Rewrite in terms of check
392 constraints, and handle error_mark_nodes correctly.
393 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
394 (tsubst_implicit_conversion_constr)
395 (tsubst_argument_deduction_constr, tsubst_exception_constr)
396 (tsubst_parameterized_constraint, tsubst_constraint): New.
397 (tsbust_conjunection): Replace with tsubst_logical_operator and
398 actually generate the right kind of constraint.
399 (tsubst_requirement_body): Reverse the order of substituted arguments
400 so that they appear in the order written (helps diagnostics).
401 (satisfy_check_constraint): New.
402 (satisfy_conjunction): Simplify.
403 (satisfy_disjunction): Same.
404 (satisfy_constraint_1): Handle check constraints.
405 (eval_constr): New (private) global state.
406 (evaluating_constraints_sentinel): New. Manages eval_constr.
407 (satisfy_constraint): Add timing variables.
408 (satisfy_associated_constraints): Add hooks for memoization.
409 (evaluate_function_concept): Build a check constraint instead of
410 normalizing its definition.
411 (evaluate_variable_concept): Same.
412 (evaluate_constraint_expression): Normalize, but in the current
413 declaration processing context.
414 (evaluating_constraints_p): New.
415 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
416 (diagnose_*): Remove artificial indentation. Add a new parameter to
417 each that tracks the current (complete) constraint prior to any
419 (diagnose_expression): Removed.
420 (diagnose_call_expression): Same.
421 (diagnose_template_id): Same.
422 (diagnose_template_id): New.
423 (diagnose_logical_constraint): New.
424 (diagnose_expression_constraint): Show the original expression.
425 (diagnose_type_constraint): Show the original type.
426 (diagnose_implicit_conversion_constraint): Be specific about
427 failures, don't re-diagnose a known-to-be-failed substitutions,
428 and manage elisions properly.
429 (diagnose_argument_deduction_constraint): Same.
430 (diagnose_exception_constraint): Same.
431 (diagnose_parameterized_constraint): Same.
432 (constraint_p): Allow EXPR_PACK_EXPANSION.
433 * logic.cc (next_by_distance): Removed. No longer used.
434 (any_p): Renamed from any_of.
435 (term_entry, term_hasher): New.
436 (term_list): Rewrite to include a hash table for quick lookup.
437 Also, make less stateful.
438 (proof_state): Extend to allow goals to be discharged once
440 (non_atomic_constraint_p): New.
441 (any_non_atomic_constraints_p): New.
442 (...rest...): Previous implementation completely replaced with an
443 iterative algorithm that opportunistically prunes the search space
444 before committing to using more memory.
445 * parser.c: (cp_parser_type_parameter): Normalize constraints.
446 (cp_parser_explicit_template_declaration): Same.
447 * pt.c: (finish_template_variable): Be less redundant with this error
449 (template_args_equal): No longer static.
450 (tsubst_decl): Don't try to find specializations of variables that
451 have already been instantiated.
452 (build_non_dependent_expr): Avoid infinite recursion during concept
454 (make_constrained_auto): Normalize constraints.
455 (do_auto_deduction): When doing auto deduction from a
456 partial-concept-id, be sure to include the explicit args checking
458 (constraint_sat_*): New. Memoize satisfied constraints.
459 (concept_spec_*): New. Memoize expressions associated with a concept
461 (constraint_memos, concept_memos): New.
462 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
463 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
464 (get_concept_expansion, save_concept_expansion): New.
465 (hash_subsumption_args): New.
466 (comp_subsumption_args): New.
467 (subsumption_*): New. Memoize parts of the subsumption relation.
468 (lookup_subsumption_result, save_subsumption_result): New.
469 (init_constraint_processing): Initialize memo tables.
470 (get_constraints): Shortcut if !flag_concepts.
471 * decl.c (grokfndecl): Normalize constraints.
472 * error.c (dump_simple_decl): Print "concept" when appropriate.
473 (dump_function_decl): Same.
474 (dump_template_decl): Don't write requirements when we're not
476 (dump_expr): Handle fold expressions.
477 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
479 (get_fold_operator): New.
480 (pp_cxx_unary_left_fold_expression): New.
481 (pp_cxx_unary_right_fold_expression): New.
482 (pp_cxx_binary_fold_expression): New.
483 (pp_cxx_check_constraint): New.
484 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
485 to make them easier to read when debugging.
486 * search.c (accessible_p): Don't shortcut when evaluating constraints.
487 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
489 2016-07-20 David Malcolm <dmalcolm@redhat.com>
493 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
495 (suggest_alternatives_for): If no candidates are found, try
496 lookup_name_fuzzy and report if if finds a suggestion.
497 (consider_binding_level): New function.
498 (lookup_name_fuzzy) New function.
499 * parser.c: Include gcc-rich-location.h.
500 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
502 (cp_keyword_starts_decl_specifier_p): ...this new function.
503 (cp_parser_diagnose_invalid_type_name): When issuing
504 "does not name a type" errors, attempt to make a suggestion using
506 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
507 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
508 types that are not CLASS_TYPE_P, rather than rejecting individual
511 2016-07-20 Jakub Jelinek <jakub@redhat.com>
514 * parser.c (cp_parser_save_member_function_body): Consume
515 __transaction_relaxed or __transaction_atomic with optional
516 attribute. Only skip catch with block if try keyword is seen.
519 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
520 when evaluating call arguments. Use fold_builtin_call_array instead
521 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
522 check the result with potential_constant_expression and call
523 cxx_eval_constant_expression on it.
525 2016-07-19 Jason Merrill <jason@redhat.com>
528 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
529 handle ARGUMENT_PACK_SELECT.
531 2016-07-18 Jakub Jelinek <jakub@redhat.com>
535 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
536 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
537 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
541 * call.c (build_op_call_1): Use convert_like_with_context only
542 if cand->fn is a decl.
545 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
546 For lval don't use cxx_eval_unary_expression and instead recurse
547 and if needed rebuild the reference.
550 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
553 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
554 fold *expr_p before genericizing it.
557 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
559 2016-07-15 Jason Merrill <jason@redhat.com>
562 * call.c (convert_like_real): Mask complain.
563 * semantics.c (perform_koenig_lookup): Likewise.
566 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
567 threw away DECL_SAVED_TREE.
571 * call.c (add_template_conv_candidate): Disable if there are
575 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
578 * pt.c (tsubst_attributes): Fix loop logic.
582 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
583 (cp_parser_simple_declaration): Diagnose type definition in
584 for-range-declaration.
587 * operators.def: Add *_FOLD_EXPR.
588 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
589 * mangle.c (write_expression): Handle fold-expressions.
590 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
591 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
592 partial instantiation.
595 * mangle.c (write_expression): Handle sizeof... an argument pack.
598 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
601 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
602 artificial variables.
604 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
606 * parser.c (cp_parser_oacc_declare): Don't scan for
608 * semantics.c (handle_omp_array_sections): Mark data clauses with
609 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
610 zero-length subarrays.
612 2016-07-11 Jason Merrill <jason@redhat.com>
614 * decl.c (store_parm_decls): Remove check for void parm.
616 2016-07-08 Jason Merrill <jason@redhat.com>
618 * cp-tree.h: Unpoison lvalue_p.
619 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
620 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
623 * tree.c (obvalue_p): Rename from lvalue_p.
624 (lvalue_p): Define for c-common.
625 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
627 (cp_build_addr_expr_1): Remove obsolete code.
629 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
630 * call.c, cp-tree.h, typeck.c: Adjust.
632 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
634 P0145R2: Refining Expression Order for C++.
635 * cp-gimplify.c (lvalue_has_side_effects): New.
636 (cp_gimplify_expr): Implement assignment ordering.
637 * call.c (op_is_ordered, build_over_call): Adjust for
638 -fargs-in-order renaming to -fstrong-eval-order.
639 * cp-gimplify.c (cp_gimplify_expr): Likewise.
641 2016-07-07 Jakub Jelinek <jakub@redhat.com>
642 Kai Tietz <ktietz70@googlemail.com>
646 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
647 artificial vars, genericize their initializers.
649 2016-07-05 David Malcolm <dmalcolm@redhat.com>
652 * parser.c (cp_parser_class_specifier_1): When reporting
653 missing semicolons, use a fixit-hint to suggest insertion
654 of a semicolon immediately after the closing brace,
655 offsetting the reported column accordingly.
657 2016-07-04 Jan Beulich <jbeulich@suse.com>
659 * lang-specs.h ("@c++-header"): Conditionalize "-o".
661 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
663 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
664 Move pragma context checking into...
665 (cp_parser_omp_cancellation_point): ... here, and improve
667 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
668 Improve diagnostic messages.
670 2016-06-28 Jakub Jelinek <jakub@redhat.com>
672 * Make-lang.in: Don't cat ../stage_current if it does not exist.
674 2016-06-24 Jason Merrill <jason@redhat.com>
676 P0145R2: Refining Expression Order for C++.
677 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
679 * tree.c (get_target_expr_sfinae): Handle bit-fields.
680 (build_target_expr): Call mark_rvalue_use.
682 2016-06-24 Jakub Jelinek <jakub@redhat.com>
684 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
685 (build_over_call): For magic == 3, do no conversion only on 3rd
688 2016-06-23 Andi Kleen <ak@linux.intel.com>
690 * Make-lang.in: Add support for autofdo.
692 2016-06-21 Jason Merrill <jason@redhat.com>
694 * constraint.cc (constraints_satisfied_p): Keep as many levels of
695 args as our template has levels of parms.
697 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
698 (type_dependent_expression_p): Use uses_outer_template_parms.
700 2016-06-20 David Malcolm <dmalcolm@redhat.com>
702 * parser.c (cp_parser_string_literal): Convert non-standard
703 concatenation error to directly use a rich_location, and
704 use that to add the location of the first literal to the
707 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
709 * decl.c (validate_constexpr_redeclaration): Change pair of errors
711 * error.c (dump_function_decl): Save the constexpr specifier too.
713 2016-06-17 Jakub Jelinek <jakub@redhat.com>
715 * tree.c (builtin_valid_in_constant_expr_p): Test for
716 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
718 (bot_manip): Likewise.
719 * call.c (magic_varargs_p): Likewise.
721 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
723 * decl.c (grokfndecl): Change pair of errors to error + inform.
725 2016-06-17 Jason Merrill <jason@redhat.com>
728 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
729 warning when there are dependent bases.
731 2016-06-17 Jakub Jelinek <jakub@redhat.com>
733 * semantics.c (handle_omp_array_sections_1): Don't ICE when
734 processing_template_decl when checking for bitfields and unions.
735 Look through REFERENCE_REF_P as base of COMPONENT_REF.
736 (finish_omp_clauses): Look through REFERENCE_REF_P even for
737 array sections with COMPONENT_REF bases.
739 2016-06-16 Jakub Jelinek <jakub@redhat.com>
741 * parser.c (cp_parser_omp_var_list_no_open): Call
742 convert_from_reference before cp_parser_postfix_dot_deref_expression.
743 * semantics.c (finish_omp_clauses): Don't ICE when
744 processing_template_decl when checking for bitfields and unions.
745 Look through REFERENCE_REF_P as base of COMPONENT_REF.
747 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
749 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
750 "%qF" in warning_at instead of "%q+F" in warning.
751 (check_redeclaration_exception_specification): Likewise in pedwarn
752 (and error, inform, for consistency).
753 * call.c (joust): Likewise.
755 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
758 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
759 code at the end of the for loop; also revert r159637 changes,
760 add back the gcc_assert.
761 * cp-tree.h (xref_basetypes): Adjust declaration.
762 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
764 2016-06-14 David Malcolm <dmalcolm@redhat.com>
766 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
768 2016-06-14 David Malcolm <dmalcolm@redhat.com>
770 * typeck.c: Include "gcc-rich-location.h".
771 (finish_class_member_access_expr): Simplify fixit code by
772 using gcc_rich_location::add_fixit_misspelled_id.
774 2016-06-14 Jason Merrill <jason@redhat.com>
776 P0145R2: Refining Expression Order for C++.
777 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
778 (CALL_EXPR_REVERSE_ARGS): New.
779 * call.c (build_new_op_1): Set them.
780 (extract_call_expr, op_is_ordered): New.
781 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
782 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
783 * pt.c (tsubst_copy_and_build): Copy new flags.
784 * semantics.c (simplify_aggr_init_expr): Likewise.
785 * tree.c (build_aggr_init_expr): Likewise.
786 (build_min_non_dep_op_overload): Likewise.
788 2016-06-14 Jakub Jelinek <jakub@redhat.com>
791 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
792 olddecl vars, preserve their TREE_READONLY bit.
795 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
797 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
799 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
801 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
803 * decl.c (grokdeclarator): Fix typo in pedwarn text.
805 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
808 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
811 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
815 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
818 * parser.c (cp_parser_class_head): When xref_basetypes fails and
819 emits an error do not zero the type.
821 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
823 * decl.c (maybe_deduce_size_from_array_init): Use
824 DECL_SOURCE_LOCATION in error_at.
825 (layout_var_decl): Likewise.
826 (check_array_initializer): Likewise.
827 (check_initializer): Likewise.
828 (duplicate_decls, check_elaborated_type_specifier): Tidy.
830 2016-06-08 Martin Sebor <msebor@redhat.com>
831 Jakub Jelinek <jakub@redhat.com>
835 * constexpr.c: Include gimple-fold.h.
836 (cxx_eval_internal_function): New function.
837 (cxx_eval_call_expression): Call it.
838 (potential_constant_expression_1): Handle integer arithmetic
840 * tree.c (builtin_valid_in_constant_expr_p): Handle
841 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
843 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
845 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
846 return value of tsubst_aggr_type for error_mark_node.
848 2016-06-08 Jakub Jelinek <jakub@redhat.com>
851 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
853 2016-06-06 Jakub Jelinek <jakub@redhat.com>
854 Patrick Palka <ppalka@gcc.gnu.org>
859 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
860 right after cp_fold call if cp_fold has returned the same stmt
861 already in some earlier cp_fold_r call.
862 (cp_fold_function): Add pset automatic variable, pass its address
865 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
868 * parser.c (cp_parser_class_head): When xref_basetypes fails and
869 emits an error do not zero the type.
871 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
874 * decl.c (duplicate_decls): Properly copy the
875 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
876 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
878 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
880 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
881 arguments as addressable when async clause exists.
883 2016-06-02 Jan Hubicka <jh@suse.cz>
885 * cp-gimplify.c (genericize_continue_stmt): Force addition of
888 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
890 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
891 (start_enum): Likewise.
892 * parser.c (cp_parser_class_head): Likewise.
894 2016-06-02 Jakub Jelinek <jakub@redhat.com>
897 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
898 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
899 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
900 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
901 to the newly built tree.
903 2016-05-31 Jason Merrill <jason@redhat.com>
905 * pt.c (instantiate_decl): Avoid recalculation.
910 * pt.c (instantiate_template_1): Don't put the partial
911 specialization in DECL_TI_TEMPLATE.
912 (partial_specialization_p, impartial_args): Remove.
913 (regenerate_decl_from_template): Add args parm.
914 (instantiate_decl): Look up the partial specialization again.
917 * pt.c (check_explicit_specialization): Give better diagnostic about
918 specializing a hidden friend.
920 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
923 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
924 to obtain correct locations; avoid redundant diagnostics on
925 out-of-class definitions.
927 2016-05-30 Martin Sebor <msebor@redhat.com>
930 * init.c (warn_placement_new_too_small): Handle placement new arguments
931 that are elements of arrays more carefully. Remove a pointless loop.
933 2016-05-30 Jakub Jelinek <jakub@redhat.com>
936 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
937 when combined with target construct.
938 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
939 to cp_parser_omp_all_clauses.
941 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
944 * lex.c (unqualified_name_lookup_error): Take a location too.
945 (unqualified_fn_lookup_error): Take a cp_expr.
946 * cp-tree.h (unqualified_name_lookup_error,
947 unqualified_fn_lookup_error): Adjust declarations.
948 * semantics.c (perform_koenig_lookup): Adjust
949 unqualified_fn_lookup_error call, pass the location of
950 the identifier too as part of a cp_expr.
952 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
955 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
956 to improve the diagnostic about wrong uses of 'virtual'.
958 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
961 * lambda.c (maybe_add_lambda_conv_op): Early return also when
962 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
964 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
968 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
969 decls into the global scope after stripping template bits
970 and setting DECL_ANTICIPATED.
972 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
975 * name-lookup.c (push_namespace): Return bool, false when pushdecl
977 * name-lookup.h (push_namespace): Adjust declaration.
978 * parser.c (cp_parser_namespace_definition): Check push_namespace
981 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
984 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
985 decls into the global scope after stripping template bits
986 and setting DECL_ANTICIPATED.
988 2016-05-26 Jakub Jelinek <jakub@redhat.com>
990 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
991 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
993 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
997 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
999 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
1000 on the qualified_id then propagate it to the resulting
1002 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
1004 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
1005 its REF_PARENTHESIZED_P flag.
1007 2016-05-25 Jason Merrill <jason@redhat.com>
1011 * cp-tree.h (enum tag_types): Add scope_type.
1012 * parser.c (cp_parser_class_name): Use scope_type.
1013 (prefer_type_arg): Handle scope_type.
1014 (cp_parser_lookup_name): Use prefer_type_arg.
1015 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
1016 int prefer_type, use lookup_flags.
1017 * name-lookup.h: Adjust.
1019 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
1021 * parser.c (cp_parser_oacc_declare): Add support for
1022 GOMP_MAP_FIRSTPRIVATE_POINTER.
1023 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
1024 argument with enum c_omp_region_type ort. Don't privatize OpenACC
1026 (handle_omp_array_sections): Replace bool is_omp argument with enum
1027 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
1028 (finish_omp_clauses): Add specific errors and warning messages for
1029 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
1030 call to handle_omp_array_sections.
1032 2016-05-24 Jason Merrill <jason@redhat.com>
1035 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
1037 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
1039 2016-05-24 Martin Sebor <msebor@redhat.com>
1042 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
1043 * pt.c (instantiate_class_template_1): Try to complete the element
1044 type of a flexible array member.
1045 (can_complete_type_without_circularity): Handle arrays of unknown bound.
1046 * typeck.c (complete_type): Also complete the type of the elements of
1047 arrays with an unspecified bound.
1049 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1052 * typeck2.c (check_narrowing): Check pedwarn return value.
1054 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1057 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
1058 For OMP_CLAUSE_LINEAR_REF don't require type to be
1059 integral or pointer.
1061 2016-05-24 Richard Biener <rguenther@suse.de>
1065 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
1066 * constexpr.c (cxx_eval_array_reference): Handle indexed
1068 * typeck.c (cp_build_array_ref): Adjust.
1070 2016-05-23 Jason Merrill <jason@redhat.com>
1073 * constexpr.c (cxx_eval_call_expression): Check for
1074 fun == current_function_decl again.
1077 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
1078 maybe_undo_parenthesized_ref.
1081 * pt.c (tsubst_copy): Just return a local variable from
1082 non-template context. Don't call rest_of_decl_compilation for
1083 duplicated static locals.
1084 (tsubst_decl): Set DECL_CONTEXT of local static from another
1087 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1090 * method.c (forward_parm): Use cp_build_reference_type.
1092 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1095 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
1097 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1099 * pt.c (check_for_bare_parameter_packs): Improve error message
1100 location for expressions.
1102 2016-05-20 Nathan Sidwell <nathan@acm.org>
1104 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
1106 (cxx_eval_call_expression): Fix comment grammar.
1108 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
1111 * decl.c (cp_finish_decl): Check do_auto_deduction return value
1112 and return immediately in case of erroneous code.
1114 2016-05-19 Marek Polacek <polacek@redhat.com>
1117 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
1119 2016-05-19 Jason Merrill <jason@redhat.com>
1122 * pt.c (fn_type_unification): Add outer template args if needed.
1123 (type_unification_real): Handle getting full args.
1125 2016-05-19 David Malcolm <dmalcolm@redhat.com>
1128 * parser.c (cp_parser_operator): For array new/delete, check that
1129 cp_parser_require returned a non-NULL token before dereferencing
1132 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1134 * decl.c (finish_enum_value_list): Use the specified mode.
1136 2016-05-18 Jason Merrill <jason@redhat.com>
1138 * pt.c (value_dependent_expression_p): Tweak new cases to better
1139 match the wording in the standard.
1141 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1144 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
1145 when the previous cp_lexer_peek_token returns CPP_EOF.
1147 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1150 * call.c (convert_like_real): Check that we are actually converting
1153 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
1155 * decl.c (grokdeclarator): Remove errmsg and use of
1156 targetm.invalid_return_type.
1157 (grokparms): Remove errmsg and use of
1158 targetm.invalid_parameter_type.
1160 2016-05-13 Jason Merrill <jason@redhat.com>
1164 * pt.c (tsubst_decl): Use uses_template_parms.
1165 (instantiate_template_1): Handle non-dependent calls in templates.
1166 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
1167 (type_dependent_expression_p): Only consider innermost template args.
1168 (dependent_template_arg_p): Check enclosing class of a template here.
1169 (dependent_template_p): Not here.
1170 (type_dependent_object_expression_p): New.
1171 * typeck.c (finish_class_member_access_expr): Use it.
1172 * parser.c (cp_parser_postfix_expression): Use it.
1173 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
1174 to detect the current instantiation.
1175 (cp_parser_lookup_name): Really implement DR 141.
1176 * search.c (lookup_field_r): Prefer a dependent using-declaration.
1177 (any_dependent_bases_p): Split out from...
1178 * name-lookup.c (do_class_using_decl): ...here.
1179 * call.c (build_new_method_call_1): Use it.
1180 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
1181 * tree.c (non_static_member_function_p): Remove.
1182 * typeck2.c (build_x_arrow): Use dependent_scope_p.
1184 * parser.c (cp_parser_postfix_dot_deref_expression): Use
1185 complete_type_or_else for unknown_type_node, too.
1187 2016-05-12 Marek Polacek <polacek@redhat.com>
1190 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
1191 * cp-tree.h (cp_build_modify_expr): Update declaration.
1192 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
1194 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
1195 cp_build_modify_expr.
1196 * decl2.c (set_guard): Likewise.
1197 (handle_tls_init): Likewise.
1198 * init.c (perform_member_init): Likewise.
1199 (expand_virtual_init): Likewise.
1200 (build_new_1): Likewise.
1201 (build_vec_delete_1): Likewise.
1202 (get_temp_regvar): Likewise.
1203 (build_vec_init): Likewise.
1204 * method.c (do_build_copy_assign): Likewise.
1205 (assignable_expr): Likewise.
1206 * semantics.c (finish_omp_for): Likewise.
1207 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
1209 (cp_pointer_int_sum): Add location parameter. Pass it down to
1211 (pointer_diff): Add location parameter. Use it.
1212 (build_modify_expr): Pass location down to cp_build_modify_expr.
1213 (cp_build_modify_expr): Add location parameter. Use it.
1214 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
1215 * typeck2.c (cxx_incomplete_type_diagnostic,
1216 cxx_incomplete_type_error): Add location parameter.
1218 2016-05-11 Marek Polacek <polacek@redhat.com>
1221 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
1223 2016-05-05 Jakub Jelinek <jakub@redhat.com>
1225 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
1226 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
1228 2016-05-04 Marek Polacek <polacek@redhat.com>
1230 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
1231 with OPT_Wdangling_else.
1233 2016-05-03 Martin Sebor <msebor@redhat.com>
1236 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
1237 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
1239 2016-05-03 Marek Polacek <polacek@redhat.com>
1242 * call.c (build_cxx_call): Pass location and vNULL down to
1243 check_builtin_function_arguments.
1245 2016-05-03 Richard Biener <rguenther@suse.de>
1247 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
1248 the checksum from the previous stage.
1250 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1253 * typeck.c (finish_class_member_access_expr): When
1254 giving a hint about a possibly-misspelled member name,
1255 add a fix-it replacement hint.
1257 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
1259 * cp-tree.h (finish_omp_clauses): Update prototype.
1260 * parser.c (cp_parser_oacc_all_clauses): Update call to
1262 (cp_parser_omp_all_clauses): Likewise.
1263 (cp_parser_omp_for_loop): Likewise.
1264 (cp_omp_split_clauses): Likewise.
1265 (cp_parser_oacc_cache): Likewise.
1266 (cp_parser_oacc_loop): Likewise.
1267 (cp_parser_omp_declare_target):
1268 (cp_parser_cilk_simd_all_clauses): Likewise.
1269 (cp_parser_cilk_for): Likewise.
1270 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
1271 arguments with enum c_omp_region_type ort.
1272 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
1273 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
1274 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
1275 (tsubst_expr): Update calls to tsubst_omp_clauses.
1276 * semantics.c (finish_omp_clauses): Replace bool arguments
1277 allow_fields, declare_simd, and is_cilk with bitmask ort.
1278 (finish_omp_for): Update call to finish_omp_clauses.
1280 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1283 * parser.c (cp_parser_class_head): Capture the start location;
1284 use it to emit a fix-it insertion hint when complaining
1285 about missing "template <> " in explicit specializations.
1287 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
1289 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
1291 2016-05-02 Richard Biener <rguenther@suse.de>
1293 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
1296 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
1299 * class.c (check_field_decl): Remove final int* parameter, change
1300 the return type to bool; fix logic in order not to reject multiple
1301 initialized fields in anonymous struct.
1302 (check_field_decls): Adjust call.
1304 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
1307 * parser.c (cp_parser_oacc_loop): Don't augment mask with
1308 OACC_LOOP_CLAUSE_MASK.
1309 (cp_parser_oacc_kernels_parallel): Update call to
1310 c_oacc_split_loop_clauses.
1312 2016-04-28 Jason Merrill <jason@redhat.com>
1314 Implement C++17 [[nodiscard]] attribute.
1317 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
1318 * tree.c (handle_nodiscard_attribute): New.
1319 (cxx_attribute_table): Add [[nodiscard]].
1320 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
1321 (maybe_warn_nodiscard): New.
1322 (convert_to_void): Call it.
1324 * cvt.c (cp_get_callee): New.
1325 * constexpr.c (get_function_named_in_call): Use it.
1326 * cxx-pretty-print.c (postfix_expression): Use it.
1327 * except.c (check_noexcept_r): Use it.
1328 * method.c (check_nontriv): Use it.
1329 * tree.c (build_aggr_init_expr): Use it.
1330 * cp-tree.h: Declare it.
1332 2015-04-27 Ryan Burn <contact@rnburn.com>
1333 Jeff Law <law@redhat.com>
1337 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
1338 instead of cilk_detect_spawn_and_unwrap.
1339 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
1341 (cilk_cp_detect_spawn_and_unwrap): New.
1342 * lambda.c: Include cp-cilkplus.h.
1343 * parser.c: Include cp-cilkplus.h.
1344 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
1345 * cp-cilkpus.h: New file.
1347 2016-04-27 Nathan Sidwell <nathan@acm.org>
1349 * constexpr.c (get_fundef_copy): Use the original function for
1350 non-recursive evaluations.
1351 (save_fundef_copy): Always expect a slot to be available.
1353 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1355 * parser.c (cp_parser_postfix_expression): Call
1356 warn_for_memset instead of warning directly here.
1358 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
1361 * decl.c (build_enumerator): Set current_access_specifier when
1362 declaring an enumerator belonging to an in-class enumeration.
1363 * parser.c (cp_parser_check_access_in_redecleration): Also
1364 consider in-class enumerations.
1366 2016-04-26 Marek Polacek <polacek@redhat.com>
1369 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
1370 instead of stabilize_reference.
1371 (build_over_call): Likewise.
1372 * cp-tree.h (cp_stabilize_reference): Declare.
1373 * tree.c (cp_stabilize_reference): New function.
1374 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
1375 stabilize_reference.
1376 (unary_complex_lvalue): Likewise.
1377 (cp_build_modify_expr): Likewise.
1379 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1382 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
1385 2016-04-25 Jason Merrill <jason@redhat.com>
1387 * tree.c (std_attribute_table): New.
1388 (init_tree): Register it.
1390 2016-04-22 Jason Merrill <jason@redhat.com>
1392 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
1394 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1396 * name-lookup.c (free_saved_scope): New free list of saved_scope
1398 (push_to_top_level): Attempt to reuse a saved_scope struct
1399 from free_saved_scope instead of allocating a new one each time.
1400 (pop_from_top_level_1): Chain the now-unused saved_scope structure
1401 onto free_saved_scope.
1403 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
1406 * semantics.c (process_outer_var_ref): Unconditionally return
1407 error_mark_node when mark_used returns false.
1409 2016-04-21 Marek Polacek <polacek@redhat.com>
1412 * parser.c (cp_parser_enum_specifier): Check and possibly error for
1413 extra qualification.
1415 2016-04-20 Nathan Sidwell <nathan@acm.org>
1418 * init.c (build_vec_delete_1): Protect operator delete call in try
1420 (build_delete): Likewise.
1421 * optimize.c (build_delete_destructor_body): Likewise.
1423 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
1426 * cp-tree.h (finish_omp_clauses): Add new default argument.
1427 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
1428 instead of c_finish_cilk_clauses.
1429 * semantics.c (finish_omp_clauses): Add new argument. Allow
1430 floating-point variables in the linear clause for Cilk Plus.
1432 2016-04-20 Nathan Sidwell <nathan@acm.org>
1434 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
1437 2016-04-19 Jason Merrill <jason@redhat.com>
1440 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
1441 * pt.c (make_pack_expansion): Call mark_exp_read.
1442 * semantics.c (finish_id_expression): Call mark_type_use in
1443 unevaluated context.
1446 * call.c (implicit_conversion): If we choose a copy constructor
1447 for list-initialization from the same type, the conversion is an
1450 * constexpr.c (breaks): Handle EXIT_EXPR.
1451 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
1452 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
1457 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
1460 * pt.c (tsubst_expr): Remove shadowing declaration.
1461 (tsubst_pack_expansion): Add assert.
1463 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
1466 * name-lookup.c (qualified_lookup_using_namespace): Look through
1469 2016-04-18 Michael Matz <matz@suse.de>
1471 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1472 (layout_class_type): Ditto.
1473 (build_base_field): Use SET_DECL_ALIGN.
1474 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
1475 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
1476 (record_unknown_type): Use SET_TYPE_ALIGN.
1477 (cxx_init_decl_processing): Ditto.
1478 (copy_type_enum): Ditto.
1479 (grokfndecl): Use SET_DECL_ALIGN.
1480 (copy_type_enum): Use SET_TYPE_ALIGN.
1481 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
1483 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
1484 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
1485 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
1486 * rtti.c (emit_tinfo_decl): Ditto.
1488 2016-04-18 Jason Merrill <jason@redhat.com>
1492 * class.c (type_maybe_constexpr_default_constructor): New.
1493 (type_has_constexpr_default_constructor): Revert.
1495 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
1499 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
1500 (handle_com_interface_attribute): Delete.
1502 2016-04-15 Jason Merrill <jason@redhat.com>
1505 * constexpr.c (get_fundef_copy): Handle null *slot.
1508 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
1509 unknown_type_node, too.
1511 2016-04-15 Jason Merrill <jason@redhat.com>
1512 Nathan Sidwell <nathan@acm.org>
1515 * constexpr.c (constexpr_call_table): Preserve in GC.
1516 (struct fundef_copy, struct fundef_copies_table_t): Delete.
1517 (fundef_copies_table): Preserve in GC. Change to pointer to
1519 (maybe_initialize_fundef_copies_table): Adjust.
1520 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
1521 (save_fundef_copy): Adjust for a TREE_LIST.
1522 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
1523 (fini_constexpr): New.
1524 * cp-tree.h (fini_constexpr): Declare.
1525 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
1527 2016-04-15 Jakub Jelinek <jakub@redhat.com>
1530 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
1532 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
1533 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
1534 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
1535 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
1536 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
1537 cp_parser_statement.
1538 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
1539 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
1540 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
1541 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
1542 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
1543 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
1544 cp_parser_omp_taskloop, cp_parser_omp_construct,
1545 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
1546 Add IF_P argument, pass it down where needed.
1547 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
1548 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
1551 2016-04-14 Jason Merrill <jason@redhat.com>
1554 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
1555 * typeck2.c (split_nonconstant_init_1): Use it.
1558 * class.c (type_has_constexpr_default_constructor): Return true
1559 for an implicitly declared constructor.
1562 * parser.c (cp_parser_init_declarator): Add auto_result parm.
1563 (cp_parser_simple_declaration): Pass it.
1564 (strip_declarator_types): New.
1567 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
1568 initializer also makes the variable value-dependent.
1571 * constexpr.c (cxx_eval_store_expression): Also copy
1572 CONSTRUCTOR_NO_IMPLICIT_ZERO.
1574 2016-04-14 Martin Sebor <msebor@redhat.com>
1579 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
1581 2016-04-14 Jason Merrill <jason@redhat.com>
1583 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
1584 parameter ABI change.
1586 2016-04-13 Martin Sebor <msebor@redhat.com>
1591 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
1593 * decl.c (check_initializer, cp_finish_decl): Call them.
1594 (reshape_init_r): Reject incompletely braced intializer-lists
1596 * init.c (throw_bad_array_length, build_vla_check)
1597 (build_vla_size_check, build_vla_init_check): Define new functions.
1598 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
1600 (store_init_value): Same.
1602 2016-04-13 Jason Merrill <jason@redhat.com>
1604 Warn about empty parameter ABI with -Wabi=9.
1605 * call.c (empty_class_msg, mark_for_abi_warning)
1606 (warn_empty_class_abi): New.
1607 (build_call_a): Use them.
1608 * decl.c (store_parm_decls): Use mark_for_abi_warning.
1609 * error.c (pp_format_to_string): New.
1611 Pass empty class parameters like C.
1612 * call.c (pass_as_empty_struct, empty_class_arg): New.
1613 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
1614 (build_call_a): Use empty_class_arg.
1615 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
1616 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
1618 2016-04-13 Jason Merrill <jason@redhat.com>
1621 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
1623 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
1626 * pt.c (resolve_typename_type): Fix typos in infinite recursion
1627 avoidance mechanism.
1629 2016-04-13 Jason Merrill <jason@redhat.com>
1632 * pt.c (instantiation_dependent_uneval_expression_p): Split out
1633 from instantiation_dependent_expression_p.
1634 (value_dependent_expression_p): Use it for unevaluated operands.
1635 (instantiation_dependent_r): Don't check value-dependence.
1636 (instantiation_dependent_expression_p): Check
1637 value-dependence of the expression as a whole.
1638 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
1639 * semantics.c (finish_decltype_type): Use it.
1641 * constexpr.c (potential_nondependent_constant_expression): New.
1642 (potential_nondependent_static_init_expression): New.
1643 (maybe_constant_value_1, fold_non_dependent_expr)
1644 (maybe_constant_init): Use them.
1645 * pt.c (instantiate_non_dependent_expr_sfinae)
1646 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
1648 * cp-tree.h: Declare them.
1650 2016-04-13 Jakub Jelinek <jakub@redhat.com>
1653 * decl.c (pop_labels_1): Removed.
1654 (note_label, sort_labels): New functions.
1655 (pop_labels): During named_labels traversal, just push the slot
1656 pointers into a vector, then qsort it by DECL_UID and only then
1657 call pop_label and chain it into BLOCK_VARS.
1659 2016-04-13 Jason Merrill <jason@redhat.com>
1662 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
1663 (cp_gimplify_expr): Not here.
1665 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
1668 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
1670 * typeck.c (build_x_conditional_expr): Unconditionally remember
1671 that the result is an lvalue or xvalue.
1673 2016-04-12 Jason Merrill <jason@redhat.com>
1675 * class.c (is_really_empty_class): A zero-length array is empty.
1676 An unnamed bit-field doesn't make a class non-empty.
1678 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
1681 * parser.c (cp_parser_cache_defarg): When file ends in default
1682 argument simply return error_mark_node.
1684 2016-04-12 Nathan Sidwell <nathan@acm.org>
1687 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
1690 2016-04-11 Jason Merrill <jason@redhat.com>
1692 * mangle.c (decl_is_template_id): The template itself counts as a
1695 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
1699 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
1700 on the result if it's not a CONSTRUCTOR.
1702 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
1705 * constexpr.c (find_constructor): New function.
1706 (unshare_constructor): New function.
1707 (cxx_eval_call_expression): Use unshare_constructor instead of
1709 (find_array_ctor_elt): Likewise.
1710 (cxx_eval_vec_init_1): Likewise.
1711 (cxx_eval_store_expression): Likewise.
1712 (cxx_eval_constant_expression): Likewise.
1714 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1717 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
1718 potentially generating a future -Wparentheses warning in its
1721 2016-04-06 Jason Merrill <jason@redhat.com>
1723 * class.c (check_abi_tags): Fix function template handling.
1725 2016-04-05 Nathan Sidwell <nathan@acm.org>
1728 * class.c (fixup_may_alias): New.
1729 (fixup_attribute_variants): Call it.
1731 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1734 * constexpr.c (struct fundef_copy): New struct.
1735 (struct fundef_copies_table_t): New struct.
1736 (fundef_copies_table): New static variable.
1737 (maybe_initialize_fundef_copies_table): New static function.
1738 (get_fundef_copy): New static function.
1739 (save_fundef_copy): New static function.
1740 (cxx_eval_call_expression): Use get_fundef_copy, and
1742 (constexpr_call_table): Add "deletable" GTY marker.
1744 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1747 * cp-tree.h (class cache_map): Remove.
1748 * constexpr.c (cv_cache): Change type to
1749 GTY((deletable)) hash_map<tree, tree> *.
1750 (maybe_constant_value): Adjust following the change to cv_cache.
1751 (clear_cv_cache): New static function.
1752 (clear_cv_and_fold_caches): Use it.
1753 * cp-gimplify.c (fold_cache): Change type to
1754 GTY((deletable)) hash_map<tree, tree> *.
1755 (clear_fold_cache): Adjust following the change to fold_cache.
1756 (cp_fold): Likewise.
1758 2016-04-02 Martin Sebor <msebor@redhat.com>
1764 * constexpr.c (diag_array_subscript): New function.
1765 (cxx_eval_array_reference): Detect out of bounds array indices.
1767 2016-04-01 Jason Merrill <jason@redhat.com>
1771 * pt.c (instantiate_decl): A function isn't fully defined if
1772 DECL_INITIAL is error_mark_node.
1773 * constexpr.c (cxx_eval_call_expression): Likewise.
1775 2016-04-01 Jakub Jelinek <jakub@redhat.com>
1776 Marek Polacek <polacek@redhat.com>
1779 * init.c (warn_placement_new_too_small): Test whether
1780 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
1782 2016-04-01 Nathan Sidwell <nathan@acm.org>
1785 * decl.c (check_redeclaration_exception_specification): Check
1786 regardless of -fno-exceptions.
1787 * typeck2.c (merge_exception_specifiers): Relax assert by checking
1788 flag_exceptions too.
1790 2016-03-31 Nathan Sidwell <nathan@acm.org>
1792 * decl.c (start_preparsed_function): Remove unnecessary bracing.
1793 (finish_destructor_body): Don't emit operator delete here.
1795 2016-03-31 Nathan Sidwell <nathan@acm.org>
1798 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
1799 elements in field order.
1801 2016-03-31 Marek Polacek <polacek@redhat.com>
1804 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
1806 2016-03-31 Richard Biener <rguenther@suse.de>
1809 * typeck.c (cp_build_binary_op): Fix operand order of vector
1810 conditional in truth op handling.
1812 2016-03-29 Jason Merrill <jason@redhat.com>
1815 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
1816 in constexpr functions.
1818 2016-03-28 Jason Merrill <jason@redhat.com>
1823 * decl.c, pt.c, constexpr.c: Revert last patch.
1825 2016-03-25 Jason Merrill <jason@redhat.com>
1826 Martin Liška <mliska@suse.cz>
1831 * decl.c (cp_fname_init): Decay the initializer to pointer.
1832 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
1833 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1834 Don't call cp_finish_decl.
1835 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
1836 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
1837 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
1838 Handle DECL_VALUE_EXPR.
1840 2016-03-24 Jason Merrill <jason@redhat.com>
1843 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
1846 * constexpr.c (cxx_eval_call_expression): Don't cache result if
1849 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
1852 * tree.c (build_cplus_array_type): Determine type-dependentess
1853 with uses_template_parms instead of with dependent_type_p.
1855 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
1858 * typeck.c (process_init_constructor_union): If the initializer
1859 is empty, use the union's NSDMI if it has one.
1861 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
1864 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
1865 NSDMI that's part of an aggregrate initialization.
1867 2016-03-23 Jakub Jelinek <jakub@redhat.com>
1870 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
1871 for 1..max even for multi-dimensional arrays. Call unshare_expr
1875 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
1876 on TREE_OVERFLOW constants.
1879 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
1880 for OMP_TASKLOOP here.
1881 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
1882 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
1884 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
1885 Jason Merrill <jason@redhat.com>
1886 Jakub Jelinek <jakub@redhat.com>
1889 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1890 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1891 (finish_function): Don't set or test them.
1892 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
1894 2016-03-23 Jason Merrill <jason@redhat.com>
1897 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
1899 2016-03-23 Marek Polacek <polacek@redhat.com>
1902 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
1904 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
1906 * call.c (build_conditional_expr_1): Always use original
1907 condition type for vector type checks and build.
1909 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
1912 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
1914 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
1917 * constexpr.c (non_const_var_error): Check
1918 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1920 2016-03-21 Richard Henderson <rth@redhat.com>
1923 * decl.c (notice_forced_label_r): New.
1924 (cp_finish_decl): Use it.
1926 2016-03-21 Jason Merrill <jason@redhat.com>
1929 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
1931 2016-03-18 Jason Merrill <jason@redhat.com>
1934 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
1937 * class.c (vptr_via_virtual_p): New.
1938 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
1939 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
1940 a vptr from any virtual base in a not-in-charge 'structor.
1942 * decl.c (build_clobber_this): Factor out of
1943 start_preparsed_function and begin_destructor_body. Handle
1944 virtual bases better.
1946 * class.c (build_if_in_charge): Split out from build_base_path.
1947 * init.c (expand_virtual_init, expand_default_init): Use it.
1948 * call.c (build_special_member_call): Use it.
1950 2016-03-18 Jakub Jelinek <jakub@redhat.com>
1953 * init.c (build_new_1): Complain and return error_mark_node
1954 if alloc_fn is not _Jv_AllocObject function returning pointer.
1956 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1959 * search.c (adjust_result_of_qualified_name_lookup): Don't
1960 update the BASELINK_BINFO of DECL if the second call
1961 to lookup_base fails.
1963 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
1966 * parser.c (cp_parser_lambda_expression): Move call to
1967 pop_deferring_access_checks ahead of the call to
1968 cp_parser_end_tentative_firewall.
1970 2016-03-17 Jakub Jelinek <jakub@redhat.com>
1973 * cp-tree.h (magic_varargs_p): Return int instead of bool.
1974 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
1975 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
1977 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
1978 if magic_varargs_p == 1, call decay_conversion
1979 instead of mark_type_use. Don't store error_mark_node arguments to
1980 argarray, instead return error_mark_node.
1983 * decl.c (begin_destructor_body): Don't insert clobber if
1984 is_empty_class (current_class_type).
1986 2016-03-17 Marek Polacek <polacek@redhat.com>
1989 * typeck.c (warn_for_null_address): New function.
1990 (cp_build_binary_op): Call it.
1992 2016-03-16 Jason Merrill <jason@redhat.com>
1995 * decl.c (start_preparsed_function): Don't clobber an empty base.
1997 2016-03-16 Jakub Jelinek <jakub@redhat.com>
2000 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
2001 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
2004 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
2005 set in_base_initializer.
2007 2016-03-15 Marek Polacek <polacek@redhat.com>
2010 * tree.c (strip_typedefs): Call strip_typedefs again on the
2011 DECL_ORIGINAL_TYPE result.
2013 2016-03-15 Jason Merrill <jason@redhat.com>
2016 * pt.c (instantiate_decl): Fix call to variable_template_p.
2019 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
2021 2016-03-14 Casey Carter <casey@carter.net>
2022 Jason Merrill <jason@redhat.com>
2024 P0184R0: Generalizing the Range-Based For Loop
2025 * parser.c (cp_convert_range_for): Set the type of __end separately.
2026 (cp_parser_perform_range_for_lookup): Allow different begin/end
2027 types if they are comparable.
2029 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
2032 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
2033 processing_template_decl and EXPR is a SCOPE_REF.
2035 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
2036 Jakub Jelinek <jakub@redhat.com>
2039 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
2040 return value from cxx_eval_constant_expression from earlier
2041 elements if it is valid constant initializer requiring no
2044 2016-03-10 Marek Polacek <polacek@redhat.com>
2047 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
2049 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
2051 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
2052 when calling c_finish_omp_clauses.
2054 2016-03-08 Jason Merrill <jason@redhat.com>
2056 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
2057 diagnostic for use of "concept".
2058 (cp_parser_requires_clause_opt): And "requires".
2059 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
2060 (cp_parser_explicit_template_declaration): Adjust.
2061 * Make-lang.in (check-c++-all): Add "concepts" to std list.
2063 P0036R0: Unary Folds and Empty Parameter Packs
2064 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
2066 2016-03-08 Jakub Jelinek <jakub@redhat.com>
2069 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
2070 even after the last iteration of the loop.
2072 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
2074 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
2077 * pt.c (get_template_info): Handle PARM_DECL.
2078 (template_class_depth): Check DECL_P instead of
2079 VAR_OR_FUNCTION_DECL_P.
2081 2016-03-05 Jason Merrill <jason@redhat.com>
2084 * constexpr.c (cxx_eval_store_expression): Replace
2085 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
2087 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
2090 * pt.c (template_class_depth): Given a lambda type, iterate
2091 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
2092 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
2095 2016-03-04 Jason Merrill <jason@redhat.com>
2098 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
2099 * init.c (build_vec_delete_1): Set it.
2100 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
2102 2016-03-04 Jakub Jelinek <jakub@redhat.com>
2104 * decl.c (start_preparsed_function): Don't emit start clobber at the
2105 start of constructor clones.
2108 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
2109 * decl.c (start_preparsed_function): Call
2110 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
2111 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
2112 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
2114 2016-03-04 Jason Merrill <jason@redhat.com>
2117 * constexpr.c (cxx_eval_component_reference): Further tweak.
2119 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
2120 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
2121 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
2122 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
2125 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
2128 2016-03-03 Jason Merrill <jason@redhat.com>
2130 * method.c (synthesized_method_walk): operator= can also be constexpr.
2132 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
2133 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
2136 * pt.c (copy_template_args): New.
2137 (tsubst_pack_expansion): Use it.
2139 * call.c (build_aggr_conv): Use get_nsdmi.
2142 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
2145 * constexpr.c (cxx_eval_component_reference): Just return an empty
2146 CONSTRUCTOR for an empty class.
2148 2016-03-01 Jason Merrill <jason@redhat.com>
2151 * parser.c (cp_parser_requires_clause): Call
2152 check_for_bare_parameter_packs.
2155 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
2159 * constexpr.c (cxx_eval_call_expression): Unshare arg.
2160 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
2161 [TARGET_EXPR]: Unshare init.
2163 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
2167 * pt.c (tsubst_baselink): Reinstate the check for an invalid
2170 2016-02-28 Jason Merrill <jason@redhat.com>
2173 * constexpr.c (cxx_eval_store_expression): Unshare init.
2175 2016-02-26 Jason Merrill <jason@redhat.com>
2178 * pt.c (make_argument_pack): New.
2179 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
2180 (tsubst_copy_and_build): Likewise.
2182 2016-02-25 Jason Merrill <jason@redhat.com>
2185 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
2186 * tree.c (build_aggr_init_expr): Set it.
2187 * semantics.c (simplify_aggr_init_expr): Check it.
2188 * cp-gimplify.c (cp_genericize_r): Don't walk into
2189 a call/aggr_init from a thunk.
2192 * method.c (forward_parm): Handle parameter packs.
2193 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
2196 * constexpr.c (cxx_eval_component_reference): Don't complain about
2197 unevaluated empty classes.
2200 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
2202 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
2205 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
2206 (maybe_undo_parenthesized_ref): Declare.
2207 * semantics.c (maybe_undo_parenthesized_ref): Split out from
2209 (finish_call_expr): Use it.
2210 * typeck.c (check_return_expr): Use it.
2211 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
2212 REF_PARENTHESIZED_P flag.
2214 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2217 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
2219 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
2221 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
2222 unless they are folded into INTEGER_CST, error_mark_node or some
2223 comparison with NULL, avoid folding them and use either the original
2224 comparison or non-folded comparison of folded arguments.
2225 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
2226 comparison, don't fold the comparison right away.
2228 2016-02-24 Jason Merrill <jason@redhat.com>
2231 * friend.c (make_friend_class): Likewise.
2232 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2234 2016-02-24 Jason Merrill <jason@redhat.com>
2237 * pt.c (instantiate_class_template_1): Set
2238 processing_template_decl before substituting friend_type.
2240 016-02-24 Martin Sebor <msebor@redhat.com>
2243 * tree.c (build_ctor_subob_ref): Compare types' main variants
2244 instead of the types as they are.
2246 2016-02-24 Jason Merrill <jason@redhat.com>
2248 * decl.c (start_preparsed_function): Condition ctor clobber on
2249 flag_lifetime_dse > 1.
2251 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
2253 2016-02-19 Jason Merrill <jason@redhat.com>
2256 * call.c (remaining_arguments): No longer static.
2257 * cp-tree.h: Declare it.
2258 * pt.c (more_specialized_fn): Use it.
2260 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2261 Bernd Edlinger <bernd.edlinger@hotmail.de>
2263 * Make-lang.in: Invoke gperf with -L C++.
2264 * cfns.gperf: Remove prototypes for hash and libc_name_p
2266 * cfns.h: Regenerated.
2267 * except.c (nothrow_libfn_p): Adjust.
2269 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2272 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
2273 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
2275 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
2278 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
2280 * semantics.c (finish_call_expr): Don't assume a constructor
2281 call is dependent if only the "this" pointer is dependent. When
2282 building a constructor call, always use a dummy object.
2284 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2287 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
2289 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
2290 operators if folding preserved the binop, just with different
2294 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
2295 attr_spec is always single element chain, chain all the attributes
2296 properly together in the right order.
2298 2016-02-18 Jason Merrill <jason@redhat.com>
2300 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
2302 (mangle_decl): Call maybe_check_abi_tags for function scope.
2303 (mangle_guard_variable): Call maybe_check_abi_tags here.
2304 (write_guarded_var_name): Not here.
2306 2016-02-17 Jason Merrill <jason@redhat.com>
2309 * constexpr.c (build_constexpr_constructor_member_initializers):
2310 Handle an additional STATEMENT_LIST.
2313 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
2316 * decl2.c (reset_type_linkage_2): Look through member templates.
2318 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2321 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2323 2016-02-17 Jason Merrill <jason@redhat.com>
2326 * method.c (forward_parm): Split out from...
2327 (add_one_base_init): ...here.
2328 * lambda.c (maybe_add_lambda_conv_op): Use it.
2330 2016-02-16 Jason Merrill <jason@redhat.com>
2334 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
2335 tree.c, typeck2.c: Revert earlier changes.
2336 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
2337 non-type templates after -> or .
2339 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2342 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2344 2016-02-16 Jason Merrill <jason@redhat.com>
2347 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
2348 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
2349 * name-lookup.h: Adjust.
2351 2016-02-16 James Norris <jnorris@codesourcery.com>
2353 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
2354 * semantics.c (finish_omp_clauses): Add deviceptr checking.
2356 2016-02-15 Jakub Jelinek <jakub@redhat.com>
2359 * init.c (expand_default_init): Only call reshape_init
2360 in the direct-initialization from an initializer list case.
2362 2016-02-15 Jason Merrill <jason@redhat.com>
2365 * semantics.c (finish_call_expr): Implicit 'this' does not make
2367 * search.c (any_dependent_bases_p): Split out...
2368 * name-lookup.c (do_class_using_decl): ...from here.
2369 * call.c (build_new_method_call_1): Don't complain about missing object
2370 if there are dependent bases. Tweak error.
2371 * tree.c (non_static_member_function_p): Remove.
2372 * pt.c (type_dependent_expression_p): A member template of a
2373 dependent type is dependent.
2374 * cp-tree.h: Adjust.
2377 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
2379 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
2382 * pt.c (lookup_and_finish_template_variable): New function,
2384 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
2385 (tsubst_qualified_id): Consider that EXPR might be a variable
2387 * typeck.c (check_template_keyword): Don't emit an error
2388 if DECL is a variable template.
2390 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2392 * error.c: Spelling fixes - behaviour -> behavior and
2393 neighbour -> neighbor.
2395 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
2397 * init.c (build_delete): Likewise.
2399 2016-02-11 Jakub Jelinek <jakub@redhat.com>
2402 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
2403 arguments for -Waddress warning. Fix up formatting.
2405 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
2408 * pt.c (lookup_template_class_1): Check tsubst return value for
2411 2016-02-10 Jason Merrill <jason@redhat.com>
2414 * pt.c (resolve_nondeduced_context): Add complain parm.
2415 (do_auto_deduction): Pass it.
2416 * cvt.c (convert_to_void): Likewise.
2417 * decl.c (cp_finish_decl): Likewise.
2418 * init.c (build_new): Likewise.
2419 * rtti.c (get_tinfo_decl_dynamic): Likewise.
2420 * semantics.c (finish_decltype_type): Likewise.
2421 * typeck.c (decay_conversion): Likewise.
2422 * cp-tree.h: Adjust declaration.
2423 * call.c (standard_conversion): Add complain parm, pass it along.
2424 (implicit_conversion): Pass it.
2427 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
2428 (lookup_name_real_1): Likewise.
2429 (remove_hidden_names): Handle non-functions too.
2432 * parser.c (cp_parser_lookup_name): When looking for a template
2433 after . or ->, only consider class templates.
2434 (cp_parser_postfix_dot_deref_expression): Handle the current
2435 instantiation. Remember a dependent object expression.
2436 * typeck2.c (build_x_arrow): Handle the current instantiation.
2438 * ptree.c (debug_tree): Implement for cp_expr.
2440 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2443 * parser.c (cp_parser_simple_type_specifier): Make the check
2444 for disambiguating between an 'auto' placeholder and an implicit
2445 template parameter more robust.
2447 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2451 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
2452 setting its TREE_USED flag.
2454 2016-02-08 Jason Merrill <jason@redhat.com>
2457 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
2460 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2463 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
2464 of the DECL_OMP_DECLARE_REDUCTION_P decls.
2466 2016-02-08 Marek Polacek <polacek@redhat.com>
2469 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
2470 Call clear_fold_cache.
2471 * cp-tree.h: Adjust declaration.
2472 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
2473 rather than clear_cv_cache and clear_fold_cache.
2474 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2476 2016-02-08 Jason Merrill <jason@redhat.com>
2478 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
2479 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
2480 (ocp_convert): Use *_maybe_fold.
2481 (cp_convert_to_pointer): Add dofold parameter.
2482 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2484 2016-02-05 Martin Sebor <msebor@redhat.com>
2487 * init.c (find_field_init): New function.
2488 (warn_placement_new_too_small): Call it. Handle one-element arrays
2489 at ends of structures special.
2491 2016-02-05 Jason Merrill <jason@redhat.com>
2494 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
2495 make sure we've seen_error().
2497 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
2500 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
2501 if lookup_fnfields returns NULL_TREE and the name being looked
2502 up has the form A::A.
2504 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
2506 * constexpr.c (cxx_eval_binary_expression): Fold equality
2507 comparisons involving PTRMEM_CSTs.
2509 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2511 * class.c (find_flexarrays): Don't declare dom variable.
2512 (diagnose_flexarray): Likewise.
2514 2016-02-02 Martain Sebor <msebor@redhat.com>
2521 * class.c (walk_subobject_offsets): Avoid testing the upper bound
2522 of a flexible array member for equality to null.
2523 (find_flexarrays): Remove spurious whitespace introduced in r231665.
2524 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
2525 (check_flexarrays): Same.
2526 * decl.c (compute_array_index_type): Avoid special case for flexible
2528 (grokdeclarator): Avoid calling compute_array_index_type for flexible
2530 * error.c (dump_type_suffix): Revert changes introduced in r231665
2531 and rendered unnecessary by the changes above.
2532 * pt.c (tsubst): Same.
2533 * tree.c (build_ctor_subob_ref): Handle flexible array members.
2534 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
2535 (process_init_constructor_array): Same.
2536 (process_init_constructor_record): Same.
2538 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
2541 * pt.c (try_one_overload): Handle comparing argument packs so
2542 that there is no conflict if we deduced more arguments of an
2543 argument pack than were explicitly specified.
2545 2016-01-31 Jakub Jelinek <jakub@redhat.com>
2546 Jason Merrill <jason@redhat.com>
2549 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
2550 function type if nothing is changing.
2552 2016-01-31 Jason Merrill <jason@redhat.com>
2555 * pt.c (partial_specialization_p, impartial_args): New.
2556 (instantiate_decl): Call impartial_args.
2558 * mangle.c (maybe_check_abi_tags): New.
2559 (write_guarded_var_name): Call it.
2560 (mangle_ref_init_variable): Call check_abi_tags.
2562 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
2563 between template and instantiation.
2565 2016-01-29 Jakub Jelinek <jakub@redhat.com>
2568 * decl.c (wrapup_globals_for_namespace): Warn about unused static
2569 function declarations.
2571 2016-01-29 Marek Polacek <polacek@redhat.com>
2575 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
2576 out of bound" error earlier.
2577 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
2580 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
2582 * name-lookup.c (begin_scope): After reusing a cp_binding_level
2583 structure, update free_binding_level before the structure's
2584 level_chain field gets cleared, not after.
2586 2016-01-28 Jason Merrill <jason@redhat.com>
2589 * search.c (dfs_walk_once, dfs_walk_once_r)
2590 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
2591 hash_set instead of BINFO_MARKED.
2592 (dfs_unmark_r): Remove.
2594 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
2597 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
2598 (cp_lexer_debugging_p): Use it.
2599 (cp_lexer_start_debugging): Likewise.
2600 (cp_lexer_stop_debugging): Likewise.
2602 2016-01-27 Marek Polacek <polacek@redhat.com>
2605 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
2606 needed. Add -Wsign-compare warning.
2608 2016-01-27 Ryan Burn <contact@rnburn.com>
2611 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
2612 superfluous post_p argument in call to
2613 cilk_gimplify_call_params_in_spawned_fn.
2615 2016-01-27 Marek Polacek <polacek@redhat.com>
2618 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
2619 wrapped in NOP_EXPRs.
2621 2016-01-27 Martin Sebor <msebor@redhat.com>
2624 * mangle.c (mangle_decl): Reference the correct (saved) version
2625 of the ABI in -Wabi diagnostics.
2627 2016-01-27 Marek Polacek <polacek@redhat.com>
2630 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
2631 elements of the array.
2633 2016-01-26 Jason Merrill <jason@redhat.com>
2636 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
2637 (cxx_eval_call_expression): Don't look through clones.
2638 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
2639 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
2640 maybe-in-charge *tor.
2642 2016-01-26 Jason Merrill <jason@redhat.com>
2645 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
2646 and TREE_SIDE_EFFECTS.
2647 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2648 verify_constructor_flags.
2650 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2653 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
2654 return error_mark_node instead of building trees with error_mark_node
2657 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2660 * error.c (print_instantiation_partial_context_line): Add missing
2661 newlines from output for the t == NULL case.
2662 (print_instantiation_partial_context): Remove call to pp_newline.
2664 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
2667 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2672 * decl.c (grokdeclarator): Don't decay array parameter type to
2673 a pointer type if it's dependent.
2674 (grokparms): Invoke strip_top_quals instead of directly invoking
2675 cp_build_qualified_type.
2676 * pt.c (decay_dependent_array_parm_type): New static function.
2677 (type_unification_real): Call decay_dependent_array_parm_type
2678 to decay a dependent array parameter type to its corresponding
2679 pointer type before unification.
2680 (more_specialized_fn): Likewise.
2681 (get_bindings): Likewise.
2682 * tree.c (cp_build_qualified_type): Trivial typofix in
2685 2016-01-23 Martin Sebor <msebor@redhat.com>
2689 * decl2.c (is_late_template_attribute): Handle dependent argument
2690 to attribute align and attribute vector_size.
2692 2016-01-21 Jason Merrill <jason@redhat.com>
2695 * lambda.c (lambda_capture_field_type): Handle 'this' specially
2696 for init-capture, too.
2699 * decl.c (type_is_deprecated): Don't look into a typedef.
2703 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
2706 * decl.c (start_enum): Add attributes parameter.
2707 * parser.c (cp_parser_enum_specifier): Pass it.
2708 * pt.c (lookup_template_class_1): Pass it.
2709 * cp-tree.h: Adjust.
2711 2016-01-19 Jason Merrill <jason@redhat.com>
2714 * pt.c (convert_template_argument): Handle VAR_DECL properly.
2716 2016-01-19 Marek Polacek <polacek@redhat.com>
2719 * constexpr.c (clear_cv_cache): New.
2720 * cp-gimplify.c (clear_fold_cache): New.
2721 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
2722 * decl.c (finish_enum_value_list): Call them.
2725 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
2727 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2732 * decl.c (grokdeclarator): Don't decay array parameter type to
2733 a pointer type if it's dependent.
2734 (grokparms): Invoke strip_top_quals instead of directly invoking
2735 cp_build_qualified_type.
2736 * pt.c (decay_dependent_array_parm_type): New static function.
2737 (type_unification_real): Call decay_dependent_array_parm_type
2738 to decay a dependent array parameter type to its corresponding
2739 pointer type before unification.
2740 (more_specialized_fn): Likewise.
2741 (get_bindings): Likewise.
2742 * tree.c (cp_build_qualified_type): Trivial typofix in
2745 2016-01-18 Jason Merrill <jason@redhat.com>
2747 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
2749 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
2752 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
2753 (contains_label_1, contains_label_p): Remove.
2755 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2758 * pt.c (type_dependent_expression_p): For a function template
2759 specialization, a type is dependent iff any of its template
2762 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2764 * cp-array-notation.c (cp_expand_cond_array_notations): Return
2765 error_mark_node only if find_rank failed, not if it was
2768 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2771 * tree.c (build_min_non_dep_call_vec): Don't retain the
2772 KOENIG_LOOKUP_P flag of the non-dependent expression that's
2774 (build_min_non_dep_op_overload): Instead, do it here.
2776 2016-01-15 Jakub Jelinek <jakub@redhat.com>
2779 * parser.h (cp_token): Remove pragma_kind field. Add comment
2780 with number of unused bits.
2781 * parser.c (eof_token): Remove pragma_kind field initializer.
2782 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
2783 field, don't clear CPP_PRAGMA u.value.
2784 (cp_parser_pragma_kind): New function.
2785 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
2786 cp_parser_omp_construct, cp_parser_initial_pragma,
2787 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
2790 2016-01-15 Jason Merrill <jason@redhat.com>
2793 * call.c (build_cxx_call): Use fold_non_dependent_expr.
2795 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
2799 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
2800 array/function-to-pointer conversion. Call
2801 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
2802 * call.c (convert_like_real): Print call context if
2803 decay_conversion errors.
2805 2016-01-14 Tom de Vries <tom@codesourcery.com>
2807 PR tree-optimization/68773
2808 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
2811 2016-01-14 Jason Merrill <jason@redhat.com>
2814 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
2816 2016-01-12 Marek Polacek <polacek@redhat.com>
2819 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
2820 error_at and adjust the return value.
2822 2016-01-12 Jakub Jelinek <jakub@redhat.com>
2826 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
2827 GS_ERROR whenever seen_error (), only if *expr_p contains
2828 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
2832 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
2834 2016-01-11 Jason Merrill <jason@redhat.com>
2837 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
2838 (process_subob_fn): Likewise. Don't consider triviality if true.
2839 (synthesize_method_walk): Pass it.
2841 2016-01-11 David Malcolm <dmalcolm@redhat.com>
2844 * parser.c (cp_parser_postfix_expression): Initialize
2845 close_paren_loc to UNKNOWN_LOCATION; only use it if
2846 it has been written to by
2847 cp_parser_parenthesized_expression_list.
2848 (cp_parser_parenthesized_expression_list): Document the behavior
2849 with respect to the CLOSE_PAREN_LOC param.
2851 2016-01-11 Jakub Jelinek <jakub@redhat.com>
2854 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
2855 folded operands have side-effects, but folding changed any of them,
2856 build a new tree with the folded operands instead of returning the
2859 2016-01-09 Marek Polacek <polacek@redhat.com>
2862 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
2864 2016-01-09 Jakub Jelinek <jakub@redhat.com>
2867 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
2869 2016-01-08 Jason Merrill <jason@redhat.com>
2872 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
2875 2016-01-08 Marek Polacek <polacek@redhat.com>
2878 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
2880 2016-01-08 Jason Merrill <jason@redhat.com>
2882 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
2887 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
2888 TREE_ADDRESSABLE type.
2892 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
2894 2016-01-05 Nathan Sidwell <nathan@acm.org>
2897 * pt.c (build_non_dependent_expr): Don't try a checking fold when
2900 2016-01-04 Jakub Jelinek <jakub@redhat.com>
2902 Update copyright years.
2904 Copyright (C) 2016 Free Software Foundation, Inc.
2906 Copying and distribution of this file, with or without modification,
2907 are permitted in any medium without royalty provided the copyright
2908 notice and this notice are preserved.