1 2016-09-16 Jason Merrill <jason@redhat.com>
3 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
5 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
6 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
8 2016-09-14 Jakub Jelinek <jakub@redhat.com>
11 * name-lookup.c (consider_binding_level): Look through TREE_LIST
14 2016-09-14 Marek Polacek <polacek@redhat.com>
16 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
17 expressions. Tweak an error message.
19 2016-09-14 Marek Polacek <polacek@redhat.com>
21 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
23 * decl2.c (one_static_initialization_or_destruction): Use true instead
25 * init.c (build_vec_init): Use false instead of 0.
26 * pt.c (tsubst_copy_and_build): Likewise.
27 * semantics.c (simplify_loop_decl_cond): Likewise.
28 * typeck.c (rationalize_conditional_expr): Likewise.
29 (cp_build_binary_op): Use true instead of 1.
30 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
32 (build_unary_op): Change nonconvert parameter type to bool.
33 (unary_complex_lvalue): Use false instead of 0.
35 2016-09-13 Jakub Jelinek <jakub@redhat.com>
37 Implement P0028R4, C++17 using attribute namespaces without repetition
38 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
39 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
40 ATTR_NS with non-scoped attribute tokens. Allow named ops in
42 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
43 to cp_parser_std_attribute calls.
44 (cp_parser_std_attribute_spec): Parse optional C++17
45 attribute-using-prefix, adjust grammar in function comment.
48 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
49 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
50 (cxx_eval_pointer_plus_expression): Remove.
51 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
52 call cxx_eval_pointer_plus_expression.
54 2016-09-13 David Malcolm <dmalcolm@redhat.com>
56 * parser.c (cp_parser_class_specifier_1): Update for renaming of
57 add_fixit_insert to add_fixit_insert_before.
58 (cp_parser_class_head): Likewise.
60 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
63 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
64 * class.c (instantiate_type): Look through the SAVE_EXPR.
66 2016-09-09 Jason Merrill <jason@redhat.com>
68 Implement P0035R4, C++17 new of over-aligned types.
69 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
70 (align_type_node): New macro.
71 * call.c (build_operator_new_call): Handle C++17 aligned new.
72 (second_parm_is_size_t, build_op_delete_call): Likewise.
73 (non_placement_deallocation_fn_p): Likewise. Rename to
74 usual_deallocation_fn_p.
75 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
76 * decl.c (cxx_init_decl_processing): Add aligned new support.
77 * init.c (type_has_new_extended_alignment): New.
78 (build_new_1): Handle aligned new.
79 * tree.c (vec_copy_and_insert): New.
81 2016-09-02 Jakub Jelinek <jakub@redhat.com>
84 * decl2.c (do_static_initialization_or_destruction): Only
85 call asan_dynamic_init_call if INITP is true.
87 2016-09-01 Martin Sebor <msebor@redhat.com>
89 * mangle.c: Increase buffer size to guarantee it fits the output
90 of the formatted function regardless of its arguments.
92 2016-09-01 Marek Polacek <polacek@redhat.com>
95 * error.c (dump_type): Fix falls through comment.
96 (dump_decl): Likewise.
97 (dump_expr): Likewise.
99 2016-08-30 David Malcolm <dmalcolm@redhat.com>
101 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
102 hint to ">>" within nested template argument list error.
104 2016-08-30 David Malcolm <dmalcolm@redhat.com>
106 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
107 rather than add_fixit_misspelled_id.
108 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
110 2016-08-29 Jason Merrill <jason@redhat.com>
113 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
114 (mangle_thunk): Add thunk parameter.
115 * method.c (finish_thunk): Pass it.
116 * cp-tree.h: Declare it.
118 2016-08-15 Jason Merrill <jason@redhat.com>
120 Avoid calling a trivial default constructor.
121 * class.c (default_ctor_p): New.
122 (in_class_defaulted_default_constructor): Use it.
123 (type_has_non_user_provided_default_constructor): Use it.
124 * call.c (build_over_call): Handle trivial default constructor.
125 * cp-tree.h: Declare default_ctor_p.
128 * pt.c (do_type_instantiation): Don't mess with non-user-provided
131 2016-08-25 Marek Polacek <polacek@redhat.com>
133 * parser.c (cp_parser_binary_expression): Pass LHS to
134 warn_logical_not_parentheses.
136 2016-08-18 Marek Polacek <polacek@redhat.com>
139 * call.c (add_builtin_candidate): Add gcc_fallthrough.
140 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
141 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
142 (cp_parser_cache_defarg): Likewise.
144 2016-08-12 Marek Polacek <polacek@redhat.com>
147 * call.c (add_builtin_candidate): Add FALLTHRU.
148 (build_integral_nontype_arg_conv): Adjust fall through comment.
149 (build_new_op_1): Add FALLTHRU.
150 (convert_like_real): Adjust fall through comment.
151 * class.c (fixed_type_or_null): Likewise.
152 * constexpr.c (cxx_eval_constant_expression): Likewise.
153 (potential_constant_expression_1): Likewise. Add FALLTHRU.
154 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
155 (cp_fold): Add FALLTHRU.
156 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
157 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
158 (pp_cxx_qualified_id): Likewise.
159 (cxx_pretty_printer::constant): Adjust fall through comment.
160 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
161 (pp_cxx_pm_expression): Adjust fall through comment.
162 (cxx_pretty_printer::expression): Add FALLTHRU.
163 (cxx_pretty_printer::declaration_specifiers): Reformat code.
164 (pp_cxx_type_specifier_seq): Adjust fall through comment.
165 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
166 * error.c (dump_type): Adjust fall through comment.
167 (dump_decl): Likewise.
168 * mangle.c (write_type): Likewise.
169 * method.c (synthesized_method_walk): Add FALLTHRU.
170 * name-lookup.c (arg_assoc_type): Likewise.
171 * parser.c (cp_lexer_print_token): Adjust fall through comment.
172 (cp_parser_primary_expression): Add FALLTHRU.
173 (cp_parser_operator): Likewise.
174 * pt.c (find_parameter_packs_r): Likewise.
175 (tsubst_aggr_type): Adjust fall through comment.
176 * semantics.c (finish_omp_clauses): Add FALLTHRU.
177 * tree.c (lvalue_kind): Likewise.
179 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
182 * cp-objcp-common.c (cp_function_decl_defaulted): New.
183 (cp_function_decl_explicit_p): Const_tree-ify.
184 (cp_function_decl_deleted_p): Likewise.
185 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
186 (cp_function_decl_explicit_p): Const_tree-ify.
187 (cp_function_decl_deleted_p): Likewise.
188 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
190 2016-08-11 Jakub Jelinek <jakub@redhat.com>
193 * constexpr.c (label_matches): Handle case range expressions.
195 2016-08-11 Jason Merrill <jason@redhat.com>
198 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
200 2016-08-10 Jason Merrill <jason@redhat.com>
202 Implement C++17 constexpr if.
203 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
204 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
205 * parser.h (struct cp_parser): Add in_discarded_stmt field.
206 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
207 (cp_parser_jump_statement): Avoid deducing from a discarded return.
208 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
209 * semantics.c (begin_if_stmt): Set the binding level this_entity.
210 (finish_if_stmt_cond): Require the condition of a
211 constexpr if to be constant.
212 * decl.c (level_for_constexpr_if): New.
213 (named_label_entry): Add in_constexpr_if field.
214 (poplevel_named_label_1): Set it.
215 (check_goto): Check it.
216 (check_previous_goto_1): Check level_for_constexpr_if.
218 2016-08-09 Jason Merrill <jason@redhat.com>
221 * decl2.c (any_dependent_type_attributes_p): New.
222 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
223 * semantics.c (finish_id_expression): Check it.
224 * typeck.c (finish_class_member_access_expr): Check it.
227 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
229 Adjust mangling of ABI tags on class template member functions.
230 * class.c (missing_abi_tags): New.
231 (check_abi_tags): Don't check template. Add just_checking mode.
232 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
233 (sorted_abi_tags): Split out from write_abi_tags.
234 (struct releasing_vec): New.
235 (write_unqualified_name): Only look for the primary
236 template for types. Implement backward compatibility.
239 * constexpr.c (cxx_eval_constant_expression): Check
240 COMPLETE_TYPE_P before calling is_really_empty_class.
241 * class.c (is_really_empty_class): Don't call complete_type.
244 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
246 2016-08-09 Jakub Jelinek <jakub@redhat.com>
249 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
250 builtin aggregate types without TYPE_BINFO.
252 2016-08-08 Jason Merrill <jason@redhat.com>
254 Implement C++17 constexpr lambda.
255 * class.c (finalize_literal_type_property): Handle lambdas.
256 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
257 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
259 (cxx_eval_constant_expression): Handle capture proxy.
260 (var_in_constexpr_fn): Don't check for C++14.
261 (var_in_maybe_constexpr_fn): New.
262 (potential_constant_expression_1): Use it. Check DECL_EXPR for
263 declarations not allowed in constexpr function. Handle
264 STATIC_ASSERT, RANGE_FOR_STMT.
265 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
266 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
267 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
268 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
269 (lambda_static_thunk_p): New.
270 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
271 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
272 (cp_parser_decl_specifier_seq): Handle it.
273 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
274 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
275 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
276 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
277 (dump_expr) [FUNCTION_DECL]: Pass it.
279 2016-08-08 Jason Merrill <jason@redhat.com>
282 * class.c (is_really_empty_class): Call complete_type.
283 * constexpr.c (cxx_eval_constant_expression): Check
284 is_really_empty_class.
285 (potential_constant_expression_1): Likewise. Check for error type.
287 2016-08-08 Jakub Jelinek <jakub@redhat.com>
290 * parser.c: Include tree-iterator.h.
291 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
293 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
296 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
298 * call.c (convert_like_real): Harmonize diagnostics for invalid
301 2016-08-05 Martin Sebor <msebor@redhat.com>
303 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
304 the spelling of "constant-expression" in diagnostic messages
306 (cxx_eval_constant_expression): Same.
307 (cxx_eval_outermost_constant_expr): Same.
308 (potential_constant_expression_1): Same.
310 2016-08-05 Nathan Sidwell <nathan@acm.org>
313 * pt.c (unify): TRAIT_EXPR is an expr.
315 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
318 * lambda.c (add_capture): Check lambda_capture_field_type return
319 value for error_mark_node.
321 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
324 * pt.c (tsubst_qualified_id): Return error_mark_node if
325 template_args is error_mark_node.
327 2016-08-04 Jason Merrill <jason@redhat.com>
330 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
333 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
334 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
335 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
336 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
339 * typeck.c (finish_class_member_access_expr): Avoid stripping
340 SCOPE_REF to dependent base.
342 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
344 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
345 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
346 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
347 Simplify code, and improve diagnostics.
348 (cp_parser_oacc_routine): Likewise. Move pragma context
350 (cp_parser_pragma): ... here.
352 * parser.h (struct cp_omp_declare_simd_data): New.
353 (struct cp_parser): Use it for oacc_routine member.
354 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
355 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
356 Use it. Simplify code.
357 (cp_parser_new): Initialize all members pointing to special
358 parsing data structures.
359 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
360 parser->cilk_simd_fn_info->clauses.
361 (cp_parser_omp_declare_simd): Initialize
362 parser->omp_declare_simd->clauses.
363 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
365 2016-08-04 Marek Polacek <polacek@redhat.com>
368 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
371 2016-08-01 Jason Merrill <jason@redhat.com>
373 * mangle.c (mangle_decl): Warn about mangled name change even if
376 * mangle.c (get_abi_tags): New.
377 (find_substitution, write_unqualified_name, write_abi_tags)
378 (maybe_check_abi_tags): Use it.
380 * mangle.c (mangle_decl): Fix mangled name change warning.
383 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
385 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
388 2016-07-30 Martin Sebor <msebor@redhat.com>
392 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
393 involving null pointers.
394 (cxx_eval_component_reference): Reject null pointer dereferences.
395 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
396 (cxx_eval_constant_expression): Reject invalid expressions involving
399 2016-07-29 Marek Polacek <polacek@redhat.com>
402 * semantics.c (maybe_convert_cond): Use the location of COND for the
405 2016-07-29 Jason Merrill <jason@redhat.com>
407 * decl.c (build_enumerator): Tweak diagnostic.
410 * init.c (expand_aggr_init_1): Only handle value-init of bases.
411 * constexpr.c (build_data_member_initialization): Handle multiple
412 initializers for the same field.
414 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
417 * decl.c (build_enumerator): Check the type of the enumerator before
418 calling cxx_constant_value.
420 2016-07-27 Jason Merrill <jason@redhat.com>
423 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
424 parameters with spec_tmpl. Call push_tinst_level.
425 (most_specialized_partial_spec): Adjust.
426 (more_specialized_partial_spec): Adjust.
428 2016-07-25 Jason Merrill <jason@redhat.com>
431 * cp-gimplify.c (genericize_cp_loop): Revert location change.
434 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
435 (build_lambda_object): Call build_x_compound_expr_from_list.
436 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
440 * pt.c (coerce_template_parameter_pack): Fix logic for
444 * constexpr.c (cxx_eval_loop_expr): Count iterations.
445 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
449 * constexpr.c (cxx_eval_array_reference): Handle looking for the
450 value of an element we're currently modifying.
452 2016-07-24 Jason Merrill <jason@redhat.com>
455 * pt.c (resolve_typename_type): Try to avoid calling
456 currently_open_class.
458 2016-07-23 Jason Merrill <jason@redhat.com>
461 * call.c (add_list_candidates): Handle VTT parm.
462 (build_new_method_call_1): Likewise.
466 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
469 * class.c (walk_subobject_offsets): Handle 0-length array.
472 * pt.c (tsubst): Also substitute into the template of a
473 BOUND_TEMPLATE_TEMPLATE_PARM.
476 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
479 * decl.c (reshape_init_r): Check complain for missing braces warning.
481 2016-07-22 Jason Merrill <jason@redhat.com>
484 * call.c (convert_like_real): Use lvalue_kind.
488 * pt.c (tsubst_baselink): Call
489 adjust_result_of_qualified_name_lookup for unqualified
492 2016-07-21 Jason Merrill <jason@redhat.com>
495 * semantics.c (apply_deduced_return_type): Call
496 complete_type_or_else before building the new RESULT_DECL.
499 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
500 (decl_constant_var_p): Use it instead.
503 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
507 * call.c (unsafe_copy_elision_p): It's OK to elide when
508 initializing an unknown object.
510 * call.c (build_over_call): Check unsafe_copy_elision_p even for
511 trivial constructors.
512 * method.c (do_build_copy_constructor): Don't copy tail padding
513 even in a trivial constructor.
515 2016-07-21 Jakub Jelinek <jakub@redhat.com>
518 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
519 Replace assert with test, return false if the goto isn't break
520 or continue. Formatting fix.
522 2016-07-21 Richard Biener <rguenther@suse.de>
524 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
527 2016-07-21 Jakub Jelinek <jakub@redhat.com>
530 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
531 save/restore bc_label array.
533 2016-07-21 Jason Merrill <jason@redhat.com>
536 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
537 error parsing the lambda-declarator.
540 * constexpr.c (cxx_eval_binary_expression): Handle comparison
541 between lowered and unlowered PTRMEM_CST.
544 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
545 Don't set c_inhibit_evaluation_warnings.
548 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
550 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
551 Jason Merrill <jason@redhat.com>
553 Improving concepts performance and diagnostics.
557 * cp-tree.def (CHECK_CONSTR): New.
558 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
559 (CHECK_CONSTR_ARGS): New.
560 * constraint.cc (make_predicate_constraint): Remove in favor of
561 normalize_expression.
562 (resolve_constraint_check): Actually return error_mark_node when
564 (resolve_variable_concept_check): Perform coercion as if processing
565 a template. Also return errors on resolution failure.
566 (lift_*): Remove all of these functions. Don't unnecessarily inline
568 (learn_*): Add facilities to memoize implications for subsumption
569 during normalization.
570 (expanding_concept): New.
571 (expand_concept): New. Return the inlined and normalized definition
572 of a concept when needed.
573 (transform_*, xform_*): Rename to normalize_* to better reflect the
574 responsibility of those functions.
575 (normalize_template_id_expression): Check for non-boolean operands
576 when possible. Generate check constraints instead of normal variable
578 (normalize_call_expression): Report errors when resolution fails.
579 (check_for_logical_overloads): Rewrite this check to more accurately
581 (normalize_atom): Check for overloaded calls and invalid types before
582 determining if the expression refers to a concept.
583 (build_constraints): Don't cache normalized constraints or decomposed
585 (finish_shorthand_constraint): Return a normalized expression instead
586 of a predicate constraint.
587 (finish_template_introduction): Same.
588 (placeholder_extract_concept_and_args): Rewrite this since we only
589 ever get check constraints here.
590 (equivalent_placeholder_constraints): Rewrite in terms of check
591 constraints, and handle error_mark_nodes correctly.
592 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
593 (tsubst_implicit_conversion_constr)
594 (tsubst_argument_deduction_constr, tsubst_exception_constr)
595 (tsubst_parameterized_constraint, tsubst_constraint): New.
596 (tsbust_conjunection): Replace with tsubst_logical_operator and
597 actually generate the right kind of constraint.
598 (tsubst_requirement_body): Reverse the order of substituted arguments
599 so that they appear in the order written (helps diagnostics).
600 (satisfy_check_constraint): New.
601 (satisfy_conjunction): Simplify.
602 (satisfy_disjunction): Same.
603 (satisfy_constraint_1): Handle check constraints.
604 (eval_constr): New (private) global state.
605 (evaluating_constraints_sentinel): New. Manages eval_constr.
606 (satisfy_constraint): Add timing variables.
607 (satisfy_associated_constraints): Add hooks for memoization.
608 (evaluate_function_concept): Build a check constraint instead of
609 normalizing its definition.
610 (evaluate_variable_concept): Same.
611 (evaluate_constraint_expression): Normalize, but in the current
612 declaration processing context.
613 (evaluating_constraints_p): New.
614 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
615 (diagnose_*): Remove artificial indentation. Add a new parameter to
616 each that tracks the current (complete) constraint prior to any
618 (diagnose_expression): Removed.
619 (diagnose_call_expression): Same.
620 (diagnose_template_id): Same.
621 (diagnose_template_id): New.
622 (diagnose_logical_constraint): New.
623 (diagnose_expression_constraint): Show the original expression.
624 (diagnose_type_constraint): Show the original type.
625 (diagnose_implicit_conversion_constraint): Be specific about
626 failures, don't re-diagnose a known-to-be-failed substitutions,
627 and manage elisions properly.
628 (diagnose_argument_deduction_constraint): Same.
629 (diagnose_exception_constraint): Same.
630 (diagnose_parameterized_constraint): Same.
631 (constraint_p): Allow EXPR_PACK_EXPANSION.
632 * logic.cc (next_by_distance): Removed. No longer used.
633 (any_p): Renamed from any_of.
634 (term_entry, term_hasher): New.
635 (term_list): Rewrite to include a hash table for quick lookup.
636 Also, make less stateful.
637 (proof_state): Extend to allow goals to be discharged once
639 (non_atomic_constraint_p): New.
640 (any_non_atomic_constraints_p): New.
641 (...rest...): Previous implementation completely replaced with an
642 iterative algorithm that opportunistically prunes the search space
643 before committing to using more memory.
644 * parser.c: (cp_parser_type_parameter): Normalize constraints.
645 (cp_parser_explicit_template_declaration): Same.
646 * pt.c: (finish_template_variable): Be less redundant with this error
648 (template_args_equal): No longer static.
649 (tsubst_decl): Don't try to find specializations of variables that
650 have already been instantiated.
651 (build_non_dependent_expr): Avoid infinite recursion during concept
653 (make_constrained_auto): Normalize constraints.
654 (do_auto_deduction): When doing auto deduction from a
655 partial-concept-id, be sure to include the explicit args checking
657 (constraint_sat_*): New. Memoize satisfied constraints.
658 (concept_spec_*): New. Memoize expressions associated with a concept
660 (constraint_memos, concept_memos): New.
661 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
662 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
663 (get_concept_expansion, save_concept_expansion): New.
664 (hash_subsumption_args): New.
665 (comp_subsumption_args): New.
666 (subsumption_*): New. Memoize parts of the subsumption relation.
667 (lookup_subsumption_result, save_subsumption_result): New.
668 (init_constraint_processing): Initialize memo tables.
669 (get_constraints): Shortcut if !flag_concepts.
670 * decl.c (grokfndecl): Normalize constraints.
671 * error.c (dump_simple_decl): Print "concept" when appropriate.
672 (dump_function_decl): Same.
673 (dump_template_decl): Don't write requirements when we're not
675 (dump_expr): Handle fold expressions.
676 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
678 (get_fold_operator): New.
679 (pp_cxx_unary_left_fold_expression): New.
680 (pp_cxx_unary_right_fold_expression): New.
681 (pp_cxx_binary_fold_expression): New.
682 (pp_cxx_check_constraint): New.
683 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
684 to make them easier to read when debugging.
685 * search.c (accessible_p): Don't shortcut when evaluating constraints.
686 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
688 2016-07-20 David Malcolm <dmalcolm@redhat.com>
692 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
694 (suggest_alternatives_for): If no candidates are found, try
695 lookup_name_fuzzy and report if if finds a suggestion.
696 (consider_binding_level): New function.
697 (lookup_name_fuzzy) New function.
698 * parser.c: Include gcc-rich-location.h.
699 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
701 (cp_keyword_starts_decl_specifier_p): ...this new function.
702 (cp_parser_diagnose_invalid_type_name): When issuing
703 "does not name a type" errors, attempt to make a suggestion using
705 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
706 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
707 types that are not CLASS_TYPE_P, rather than rejecting individual
710 2016-07-20 Jakub Jelinek <jakub@redhat.com>
713 * parser.c (cp_parser_save_member_function_body): Consume
714 __transaction_relaxed or __transaction_atomic with optional
715 attribute. Only skip catch with block if try keyword is seen.
718 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
719 when evaluating call arguments. Use fold_builtin_call_array instead
720 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
721 check the result with potential_constant_expression and call
722 cxx_eval_constant_expression on it.
724 2016-07-19 Jason Merrill <jason@redhat.com>
727 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
728 handle ARGUMENT_PACK_SELECT.
730 2016-07-18 Jakub Jelinek <jakub@redhat.com>
734 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
735 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
736 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
740 * call.c (build_op_call_1): Use convert_like_with_context only
741 if cand->fn is a decl.
744 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
745 For lval don't use cxx_eval_unary_expression and instead recurse
746 and if needed rebuild the reference.
749 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
752 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
753 fold *expr_p before genericizing it.
756 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
758 2016-07-15 Jason Merrill <jason@redhat.com>
761 * call.c (convert_like_real): Mask complain.
762 * semantics.c (perform_koenig_lookup): Likewise.
765 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
766 threw away DECL_SAVED_TREE.
770 * call.c (add_template_conv_candidate): Disable if there are
774 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
777 * pt.c (tsubst_attributes): Fix loop logic.
781 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
782 (cp_parser_simple_declaration): Diagnose type definition in
783 for-range-declaration.
786 * operators.def: Add *_FOLD_EXPR.
787 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
788 * mangle.c (write_expression): Handle fold-expressions.
789 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
790 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
791 partial instantiation.
794 * mangle.c (write_expression): Handle sizeof... an argument pack.
797 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
800 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
801 artificial variables.
803 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
805 * parser.c (cp_parser_oacc_declare): Don't scan for
807 * semantics.c (handle_omp_array_sections): Mark data clauses with
808 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
809 zero-length subarrays.
811 2016-07-11 Jason Merrill <jason@redhat.com>
813 * decl.c (store_parm_decls): Remove check for void parm.
815 2016-07-08 Jason Merrill <jason@redhat.com>
817 * cp-tree.h: Unpoison lvalue_p.
818 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
819 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
822 * tree.c (obvalue_p): Rename from lvalue_p.
823 (lvalue_p): Define for c-common.
824 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
826 (cp_build_addr_expr_1): Remove obsolete code.
828 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
829 * call.c, cp-tree.h, typeck.c: Adjust.
831 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
833 P0145R2: Refining Expression Order for C++.
834 * cp-gimplify.c (lvalue_has_side_effects): New.
835 (cp_gimplify_expr): Implement assignment ordering.
836 * call.c (op_is_ordered, build_over_call): Adjust for
837 -fargs-in-order renaming to -fstrong-eval-order.
838 * cp-gimplify.c (cp_gimplify_expr): Likewise.
840 2016-07-07 Jakub Jelinek <jakub@redhat.com>
841 Kai Tietz <ktietz70@googlemail.com>
845 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
846 artificial vars, genericize their initializers.
848 2016-07-05 David Malcolm <dmalcolm@redhat.com>
851 * parser.c (cp_parser_class_specifier_1): When reporting
852 missing semicolons, use a fixit-hint to suggest insertion
853 of a semicolon immediately after the closing brace,
854 offsetting the reported column accordingly.
856 2016-07-04 Jan Beulich <jbeulich@suse.com>
858 * lang-specs.h ("@c++-header"): Conditionalize "-o".
860 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
862 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
863 Move pragma context checking into...
864 (cp_parser_omp_cancellation_point): ... here, and improve
866 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
867 Improve diagnostic messages.
869 2016-06-28 Jakub Jelinek <jakub@redhat.com>
871 * Make-lang.in: Don't cat ../stage_current if it does not exist.
873 2016-06-24 Jason Merrill <jason@redhat.com>
875 P0145R2: Refining Expression Order for C++.
876 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
878 * tree.c (get_target_expr_sfinae): Handle bit-fields.
879 (build_target_expr): Call mark_rvalue_use.
881 2016-06-24 Jakub Jelinek <jakub@redhat.com>
883 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
884 (build_over_call): For magic == 3, do no conversion only on 3rd
887 2016-06-23 Andi Kleen <ak@linux.intel.com>
889 * Make-lang.in: Add support for autofdo.
891 2016-06-21 Jason Merrill <jason@redhat.com>
893 * constraint.cc (constraints_satisfied_p): Keep as many levels of
894 args as our template has levels of parms.
896 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
897 (type_dependent_expression_p): Use uses_outer_template_parms.
899 2016-06-20 David Malcolm <dmalcolm@redhat.com>
901 * parser.c (cp_parser_string_literal): Convert non-standard
902 concatenation error to directly use a rich_location, and
903 use that to add the location of the first literal to the
906 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
908 * decl.c (validate_constexpr_redeclaration): Change pair of errors
910 * error.c (dump_function_decl): Save the constexpr specifier too.
912 2016-06-17 Jakub Jelinek <jakub@redhat.com>
914 * tree.c (builtin_valid_in_constant_expr_p): Test for
915 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
917 (bot_manip): Likewise.
918 * call.c (magic_varargs_p): Likewise.
920 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
922 * decl.c (grokfndecl): Change pair of errors to error + inform.
924 2016-06-17 Jason Merrill <jason@redhat.com>
927 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
928 warning when there are dependent bases.
930 2016-06-17 Jakub Jelinek <jakub@redhat.com>
932 * semantics.c (handle_omp_array_sections_1): Don't ICE when
933 processing_template_decl when checking for bitfields and unions.
934 Look through REFERENCE_REF_P as base of COMPONENT_REF.
935 (finish_omp_clauses): Look through REFERENCE_REF_P even for
936 array sections with COMPONENT_REF bases.
938 2016-06-16 Jakub Jelinek <jakub@redhat.com>
940 * parser.c (cp_parser_omp_var_list_no_open): Call
941 convert_from_reference before cp_parser_postfix_dot_deref_expression.
942 * semantics.c (finish_omp_clauses): Don't ICE when
943 processing_template_decl when checking for bitfields and unions.
944 Look through REFERENCE_REF_P as base of COMPONENT_REF.
946 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
948 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
949 "%qF" in warning_at instead of "%q+F" in warning.
950 (check_redeclaration_exception_specification): Likewise in pedwarn
951 (and error, inform, for consistency).
952 * call.c (joust): Likewise.
954 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
957 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
958 code at the end of the for loop; also revert r159637 changes,
959 add back the gcc_assert.
960 * cp-tree.h (xref_basetypes): Adjust declaration.
961 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
963 2016-06-14 David Malcolm <dmalcolm@redhat.com>
965 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
967 2016-06-14 David Malcolm <dmalcolm@redhat.com>
969 * typeck.c: Include "gcc-rich-location.h".
970 (finish_class_member_access_expr): Simplify fixit code by
971 using gcc_rich_location::add_fixit_misspelled_id.
973 2016-06-14 Jason Merrill <jason@redhat.com>
975 P0145R2: Refining Expression Order for C++.
976 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
977 (CALL_EXPR_REVERSE_ARGS): New.
978 * call.c (build_new_op_1): Set them.
979 (extract_call_expr, op_is_ordered): New.
980 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
981 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
982 * pt.c (tsubst_copy_and_build): Copy new flags.
983 * semantics.c (simplify_aggr_init_expr): Likewise.
984 * tree.c (build_aggr_init_expr): Likewise.
985 (build_min_non_dep_op_overload): Likewise.
987 2016-06-14 Jakub Jelinek <jakub@redhat.com>
990 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
991 olddecl vars, preserve their TREE_READONLY bit.
994 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
996 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
998 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
1000 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
1002 * decl.c (grokdeclarator): Fix typo in pedwarn text.
1004 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
1007 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
1010 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
1014 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1017 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1018 emits an error do not zero the type.
1020 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1022 * decl.c (maybe_deduce_size_from_array_init): Use
1023 DECL_SOURCE_LOCATION in error_at.
1024 (layout_var_decl): Likewise.
1025 (check_array_initializer): Likewise.
1026 (check_initializer): Likewise.
1027 (duplicate_decls, check_elaborated_type_specifier): Tidy.
1029 2016-06-08 Martin Sebor <msebor@redhat.com>
1030 Jakub Jelinek <jakub@redhat.com>
1034 * constexpr.c: Include gimple-fold.h.
1035 (cxx_eval_internal_function): New function.
1036 (cxx_eval_call_expression): Call it.
1037 (potential_constant_expression_1): Handle integer arithmetic
1039 * tree.c (builtin_valid_in_constant_expr_p): Handle
1040 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1042 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1044 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
1045 return value of tsubst_aggr_type for error_mark_node.
1047 2016-06-08 Jakub Jelinek <jakub@redhat.com>
1050 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
1052 2016-06-06 Jakub Jelinek <jakub@redhat.com>
1053 Patrick Palka <ppalka@gcc.gnu.org>
1058 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
1059 right after cp_fold call if cp_fold has returned the same stmt
1060 already in some earlier cp_fold_r call.
1061 (cp_fold_function): Add pset automatic variable, pass its address
1064 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1067 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1068 emits an error do not zero the type.
1070 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
1073 * decl.c (duplicate_decls): Properly copy the
1074 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
1075 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
1077 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
1079 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
1080 arguments as addressable when async clause exists.
1082 2016-06-02 Jan Hubicka <jh@suse.cz>
1084 * cp-gimplify.c (genericize_continue_stmt): Force addition of
1087 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
1089 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
1090 (start_enum): Likewise.
1091 * parser.c (cp_parser_class_head): Likewise.
1093 2016-06-02 Jakub Jelinek <jakub@redhat.com>
1096 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
1097 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
1098 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
1099 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
1100 to the newly built tree.
1102 2016-05-31 Jason Merrill <jason@redhat.com>
1104 * pt.c (instantiate_decl): Avoid recalculation.
1109 * pt.c (instantiate_template_1): Don't put the partial
1110 specialization in DECL_TI_TEMPLATE.
1111 (partial_specialization_p, impartial_args): Remove.
1112 (regenerate_decl_from_template): Add args parm.
1113 (instantiate_decl): Look up the partial specialization again.
1116 * pt.c (check_explicit_specialization): Give better diagnostic about
1117 specializing a hidden friend.
1119 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
1122 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
1123 to obtain correct locations; avoid redundant diagnostics on
1124 out-of-class definitions.
1126 2016-05-30 Martin Sebor <msebor@redhat.com>
1129 * init.c (warn_placement_new_too_small): Handle placement new arguments
1130 that are elements of arrays more carefully. Remove a pointless loop.
1132 2016-05-30 Jakub Jelinek <jakub@redhat.com>
1135 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
1136 when combined with target construct.
1137 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
1138 to cp_parser_omp_all_clauses.
1140 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
1143 * lex.c (unqualified_name_lookup_error): Take a location too.
1144 (unqualified_fn_lookup_error): Take a cp_expr.
1145 * cp-tree.h (unqualified_name_lookup_error,
1146 unqualified_fn_lookup_error): Adjust declarations.
1147 * semantics.c (perform_koenig_lookup): Adjust
1148 unqualified_fn_lookup_error call, pass the location of
1149 the identifier too as part of a cp_expr.
1151 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
1154 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
1155 to improve the diagnostic about wrong uses of 'virtual'.
1157 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
1160 * lambda.c (maybe_add_lambda_conv_op): Early return also when
1161 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
1163 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1167 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
1168 decls into the global scope after stripping template bits
1169 and setting DECL_ANTICIPATED.
1171 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
1174 * name-lookup.c (push_namespace): Return bool, false when pushdecl
1176 * name-lookup.h (push_namespace): Adjust declaration.
1177 * parser.c (cp_parser_namespace_definition): Check push_namespace
1180 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
1183 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
1184 decls into the global scope after stripping template bits
1185 and setting DECL_ANTICIPATED.
1187 2016-05-26 Jakub Jelinek <jakub@redhat.com>
1189 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
1190 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
1192 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
1196 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
1198 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
1199 on the qualified_id then propagate it to the resulting
1201 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
1203 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
1204 its REF_PARENTHESIZED_P flag.
1206 2016-05-25 Jason Merrill <jason@redhat.com>
1210 * cp-tree.h (enum tag_types): Add scope_type.
1211 * parser.c (cp_parser_class_name): Use scope_type.
1212 (prefer_type_arg): Handle scope_type.
1213 (cp_parser_lookup_name): Use prefer_type_arg.
1214 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
1215 int prefer_type, use lookup_flags.
1216 * name-lookup.h: Adjust.
1218 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
1220 * parser.c (cp_parser_oacc_declare): Add support for
1221 GOMP_MAP_FIRSTPRIVATE_POINTER.
1222 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
1223 argument with enum c_omp_region_type ort. Don't privatize OpenACC
1225 (handle_omp_array_sections): Replace bool is_omp argument with enum
1226 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
1227 (finish_omp_clauses): Add specific errors and warning messages for
1228 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
1229 call to handle_omp_array_sections.
1231 2016-05-24 Jason Merrill <jason@redhat.com>
1234 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
1236 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
1238 2016-05-24 Martin Sebor <msebor@redhat.com>
1241 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
1242 * pt.c (instantiate_class_template_1): Try to complete the element
1243 type of a flexible array member.
1244 (can_complete_type_without_circularity): Handle arrays of unknown bound.
1245 * typeck.c (complete_type): Also complete the type of the elements of
1246 arrays with an unspecified bound.
1248 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1251 * typeck2.c (check_narrowing): Check pedwarn return value.
1253 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1256 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
1257 For OMP_CLAUSE_LINEAR_REF don't require type to be
1258 integral or pointer.
1260 2016-05-24 Richard Biener <rguenther@suse.de>
1264 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
1265 * constexpr.c (cxx_eval_array_reference): Handle indexed
1267 * typeck.c (cp_build_array_ref): Adjust.
1269 2016-05-23 Jason Merrill <jason@redhat.com>
1272 * constexpr.c (cxx_eval_call_expression): Check for
1273 fun == current_function_decl again.
1276 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
1277 maybe_undo_parenthesized_ref.
1280 * pt.c (tsubst_copy): Just return a local variable from
1281 non-template context. Don't call rest_of_decl_compilation for
1282 duplicated static locals.
1283 (tsubst_decl): Set DECL_CONTEXT of local static from another
1286 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1289 * method.c (forward_parm): Use cp_build_reference_type.
1291 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1294 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
1296 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1298 * pt.c (check_for_bare_parameter_packs): Improve error message
1299 location for expressions.
1301 2016-05-20 Nathan Sidwell <nathan@acm.org>
1303 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
1305 (cxx_eval_call_expression): Fix comment grammar.
1307 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
1310 * decl.c (cp_finish_decl): Check do_auto_deduction return value
1311 and return immediately in case of erroneous code.
1313 2016-05-19 Marek Polacek <polacek@redhat.com>
1316 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
1318 2016-05-19 Jason Merrill <jason@redhat.com>
1321 * pt.c (fn_type_unification): Add outer template args if needed.
1322 (type_unification_real): Handle getting full args.
1324 2016-05-19 David Malcolm <dmalcolm@redhat.com>
1327 * parser.c (cp_parser_operator): For array new/delete, check that
1328 cp_parser_require returned a non-NULL token before dereferencing
1331 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1333 * decl.c (finish_enum_value_list): Use the specified mode.
1335 2016-05-18 Jason Merrill <jason@redhat.com>
1337 * pt.c (value_dependent_expression_p): Tweak new cases to better
1338 match the wording in the standard.
1340 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1343 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
1344 when the previous cp_lexer_peek_token returns CPP_EOF.
1346 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1349 * call.c (convert_like_real): Check that we are actually converting
1352 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
1354 * decl.c (grokdeclarator): Remove errmsg and use of
1355 targetm.invalid_return_type.
1356 (grokparms): Remove errmsg and use of
1357 targetm.invalid_parameter_type.
1359 2016-05-13 Jason Merrill <jason@redhat.com>
1363 * pt.c (tsubst_decl): Use uses_template_parms.
1364 (instantiate_template_1): Handle non-dependent calls in templates.
1365 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
1366 (type_dependent_expression_p): Only consider innermost template args.
1367 (dependent_template_arg_p): Check enclosing class of a template here.
1368 (dependent_template_p): Not here.
1369 (type_dependent_object_expression_p): New.
1370 * typeck.c (finish_class_member_access_expr): Use it.
1371 * parser.c (cp_parser_postfix_expression): Use it.
1372 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
1373 to detect the current instantiation.
1374 (cp_parser_lookup_name): Really implement DR 141.
1375 * search.c (lookup_field_r): Prefer a dependent using-declaration.
1376 (any_dependent_bases_p): Split out from...
1377 * name-lookup.c (do_class_using_decl): ...here.
1378 * call.c (build_new_method_call_1): Use it.
1379 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
1380 * tree.c (non_static_member_function_p): Remove.
1381 * typeck2.c (build_x_arrow): Use dependent_scope_p.
1383 * parser.c (cp_parser_postfix_dot_deref_expression): Use
1384 complete_type_or_else for unknown_type_node, too.
1386 2016-05-12 Marek Polacek <polacek@redhat.com>
1389 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
1390 * cp-tree.h (cp_build_modify_expr): Update declaration.
1391 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
1393 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
1394 cp_build_modify_expr.
1395 * decl2.c (set_guard): Likewise.
1396 (handle_tls_init): Likewise.
1397 * init.c (perform_member_init): Likewise.
1398 (expand_virtual_init): Likewise.
1399 (build_new_1): Likewise.
1400 (build_vec_delete_1): Likewise.
1401 (get_temp_regvar): Likewise.
1402 (build_vec_init): Likewise.
1403 * method.c (do_build_copy_assign): Likewise.
1404 (assignable_expr): Likewise.
1405 * semantics.c (finish_omp_for): Likewise.
1406 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
1408 (cp_pointer_int_sum): Add location parameter. Pass it down to
1410 (pointer_diff): Add location parameter. Use it.
1411 (build_modify_expr): Pass location down to cp_build_modify_expr.
1412 (cp_build_modify_expr): Add location parameter. Use it.
1413 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
1414 * typeck2.c (cxx_incomplete_type_diagnostic,
1415 cxx_incomplete_type_error): Add location parameter.
1417 2016-05-11 Marek Polacek <polacek@redhat.com>
1420 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
1422 2016-05-05 Jakub Jelinek <jakub@redhat.com>
1424 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
1425 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
1427 2016-05-04 Marek Polacek <polacek@redhat.com>
1429 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
1430 with OPT_Wdangling_else.
1432 2016-05-03 Martin Sebor <msebor@redhat.com>
1435 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
1436 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
1438 2016-05-03 Marek Polacek <polacek@redhat.com>
1441 * call.c (build_cxx_call): Pass location and vNULL down to
1442 check_builtin_function_arguments.
1444 2016-05-03 Richard Biener <rguenther@suse.de>
1446 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
1447 the checksum from the previous stage.
1449 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1452 * typeck.c (finish_class_member_access_expr): When
1453 giving a hint about a possibly-misspelled member name,
1454 add a fix-it replacement hint.
1456 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
1458 * cp-tree.h (finish_omp_clauses): Update prototype.
1459 * parser.c (cp_parser_oacc_all_clauses): Update call to
1461 (cp_parser_omp_all_clauses): Likewise.
1462 (cp_parser_omp_for_loop): Likewise.
1463 (cp_omp_split_clauses): Likewise.
1464 (cp_parser_oacc_cache): Likewise.
1465 (cp_parser_oacc_loop): Likewise.
1466 (cp_parser_omp_declare_target):
1467 (cp_parser_cilk_simd_all_clauses): Likewise.
1468 (cp_parser_cilk_for): Likewise.
1469 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
1470 arguments with enum c_omp_region_type ort.
1471 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
1472 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
1473 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
1474 (tsubst_expr): Update calls to tsubst_omp_clauses.
1475 * semantics.c (finish_omp_clauses): Replace bool arguments
1476 allow_fields, declare_simd, and is_cilk with bitmask ort.
1477 (finish_omp_for): Update call to finish_omp_clauses.
1479 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1482 * parser.c (cp_parser_class_head): Capture the start location;
1483 use it to emit a fix-it insertion hint when complaining
1484 about missing "template <> " in explicit specializations.
1486 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
1488 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
1490 2016-05-02 Richard Biener <rguenther@suse.de>
1492 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
1495 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
1498 * class.c (check_field_decl): Remove final int* parameter, change
1499 the return type to bool; fix logic in order not to reject multiple
1500 initialized fields in anonymous struct.
1501 (check_field_decls): Adjust call.
1503 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
1506 * parser.c (cp_parser_oacc_loop): Don't augment mask with
1507 OACC_LOOP_CLAUSE_MASK.
1508 (cp_parser_oacc_kernels_parallel): Update call to
1509 c_oacc_split_loop_clauses.
1511 2016-04-28 Jason Merrill <jason@redhat.com>
1513 Implement C++17 [[nodiscard]] attribute.
1516 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
1517 * tree.c (handle_nodiscard_attribute): New.
1518 (cxx_attribute_table): Add [[nodiscard]].
1519 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
1520 (maybe_warn_nodiscard): New.
1521 (convert_to_void): Call it.
1523 * cvt.c (cp_get_callee): New.
1524 * constexpr.c (get_function_named_in_call): Use it.
1525 * cxx-pretty-print.c (postfix_expression): Use it.
1526 * except.c (check_noexcept_r): Use it.
1527 * method.c (check_nontriv): Use it.
1528 * tree.c (build_aggr_init_expr): Use it.
1529 * cp-tree.h: Declare it.
1531 2015-04-27 Ryan Burn <contact@rnburn.com>
1532 Jeff Law <law@redhat.com>
1536 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
1537 instead of cilk_detect_spawn_and_unwrap.
1538 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
1540 (cilk_cp_detect_spawn_and_unwrap): New.
1541 * lambda.c: Include cp-cilkplus.h.
1542 * parser.c: Include cp-cilkplus.h.
1543 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
1544 * cp-cilkpus.h: New file.
1546 2016-04-27 Nathan Sidwell <nathan@acm.org>
1548 * constexpr.c (get_fundef_copy): Use the original function for
1549 non-recursive evaluations.
1550 (save_fundef_copy): Always expect a slot to be available.
1552 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1554 * parser.c (cp_parser_postfix_expression): Call
1555 warn_for_memset instead of warning directly here.
1557 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
1560 * decl.c (build_enumerator): Set current_access_specifier when
1561 declaring an enumerator belonging to an in-class enumeration.
1562 * parser.c (cp_parser_check_access_in_redecleration): Also
1563 consider in-class enumerations.
1565 2016-04-26 Marek Polacek <polacek@redhat.com>
1568 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
1569 instead of stabilize_reference.
1570 (build_over_call): Likewise.
1571 * cp-tree.h (cp_stabilize_reference): Declare.
1572 * tree.c (cp_stabilize_reference): New function.
1573 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
1574 stabilize_reference.
1575 (unary_complex_lvalue): Likewise.
1576 (cp_build_modify_expr): Likewise.
1578 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1581 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
1584 2016-04-25 Jason Merrill <jason@redhat.com>
1586 * tree.c (std_attribute_table): New.
1587 (init_tree): Register it.
1589 2016-04-22 Jason Merrill <jason@redhat.com>
1591 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
1593 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1595 * name-lookup.c (free_saved_scope): New free list of saved_scope
1597 (push_to_top_level): Attempt to reuse a saved_scope struct
1598 from free_saved_scope instead of allocating a new one each time.
1599 (pop_from_top_level_1): Chain the now-unused saved_scope structure
1600 onto free_saved_scope.
1602 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
1605 * semantics.c (process_outer_var_ref): Unconditionally return
1606 error_mark_node when mark_used returns false.
1608 2016-04-21 Marek Polacek <polacek@redhat.com>
1611 * parser.c (cp_parser_enum_specifier): Check and possibly error for
1612 extra qualification.
1614 2016-04-20 Nathan Sidwell <nathan@acm.org>
1617 * init.c (build_vec_delete_1): Protect operator delete call in try
1619 (build_delete): Likewise.
1620 * optimize.c (build_delete_destructor_body): Likewise.
1622 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
1625 * cp-tree.h (finish_omp_clauses): Add new default argument.
1626 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
1627 instead of c_finish_cilk_clauses.
1628 * semantics.c (finish_omp_clauses): Add new argument. Allow
1629 floating-point variables in the linear clause for Cilk Plus.
1631 2016-04-20 Nathan Sidwell <nathan@acm.org>
1633 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
1636 2016-04-19 Jason Merrill <jason@redhat.com>
1639 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
1640 * pt.c (make_pack_expansion): Call mark_exp_read.
1641 * semantics.c (finish_id_expression): Call mark_type_use in
1642 unevaluated context.
1645 * call.c (implicit_conversion): If we choose a copy constructor
1646 for list-initialization from the same type, the conversion is an
1649 * constexpr.c (breaks): Handle EXIT_EXPR.
1650 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
1651 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
1656 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
1659 * pt.c (tsubst_expr): Remove shadowing declaration.
1660 (tsubst_pack_expansion): Add assert.
1662 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
1665 * name-lookup.c (qualified_lookup_using_namespace): Look through
1668 2016-04-18 Michael Matz <matz@suse.de>
1670 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1671 (layout_class_type): Ditto.
1672 (build_base_field): Use SET_DECL_ALIGN.
1673 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
1674 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
1675 (record_unknown_type): Use SET_TYPE_ALIGN.
1676 (cxx_init_decl_processing): Ditto.
1677 (copy_type_enum): Ditto.
1678 (grokfndecl): Use SET_DECL_ALIGN.
1679 (copy_type_enum): Use SET_TYPE_ALIGN.
1680 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
1682 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
1683 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
1684 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
1685 * rtti.c (emit_tinfo_decl): Ditto.
1687 2016-04-18 Jason Merrill <jason@redhat.com>
1691 * class.c (type_maybe_constexpr_default_constructor): New.
1692 (type_has_constexpr_default_constructor): Revert.
1694 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
1698 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
1699 (handle_com_interface_attribute): Delete.
1701 2016-04-15 Jason Merrill <jason@redhat.com>
1704 * constexpr.c (get_fundef_copy): Handle null *slot.
1707 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
1708 unknown_type_node, too.
1710 2016-04-15 Jason Merrill <jason@redhat.com>
1711 Nathan Sidwell <nathan@acm.org>
1714 * constexpr.c (constexpr_call_table): Preserve in GC.
1715 (struct fundef_copy, struct fundef_copies_table_t): Delete.
1716 (fundef_copies_table): Preserve in GC. Change to pointer to
1718 (maybe_initialize_fundef_copies_table): Adjust.
1719 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
1720 (save_fundef_copy): Adjust for a TREE_LIST.
1721 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
1722 (fini_constexpr): New.
1723 * cp-tree.h (fini_constexpr): Declare.
1724 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
1726 2016-04-15 Jakub Jelinek <jakub@redhat.com>
1729 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
1731 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
1732 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
1733 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
1734 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
1735 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
1736 cp_parser_statement.
1737 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
1738 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
1739 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
1740 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
1741 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
1742 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
1743 cp_parser_omp_taskloop, cp_parser_omp_construct,
1744 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
1745 Add IF_P argument, pass it down where needed.
1746 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
1747 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
1750 2016-04-14 Jason Merrill <jason@redhat.com>
1753 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
1754 * typeck2.c (split_nonconstant_init_1): Use it.
1757 * class.c (type_has_constexpr_default_constructor): Return true
1758 for an implicitly declared constructor.
1761 * parser.c (cp_parser_init_declarator): Add auto_result parm.
1762 (cp_parser_simple_declaration): Pass it.
1763 (strip_declarator_types): New.
1766 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
1767 initializer also makes the variable value-dependent.
1770 * constexpr.c (cxx_eval_store_expression): Also copy
1771 CONSTRUCTOR_NO_IMPLICIT_ZERO.
1773 2016-04-14 Martin Sebor <msebor@redhat.com>
1778 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
1780 2016-04-14 Jason Merrill <jason@redhat.com>
1782 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
1783 parameter ABI change.
1785 2016-04-13 Martin Sebor <msebor@redhat.com>
1790 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
1792 * decl.c (check_initializer, cp_finish_decl): Call them.
1793 (reshape_init_r): Reject incompletely braced intializer-lists
1795 * init.c (throw_bad_array_length, build_vla_check)
1796 (build_vla_size_check, build_vla_init_check): Define new functions.
1797 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
1799 (store_init_value): Same.
1801 2016-04-13 Jason Merrill <jason@redhat.com>
1803 Warn about empty parameter ABI with -Wabi=9.
1804 * call.c (empty_class_msg, mark_for_abi_warning)
1805 (warn_empty_class_abi): New.
1806 (build_call_a): Use them.
1807 * decl.c (store_parm_decls): Use mark_for_abi_warning.
1808 * error.c (pp_format_to_string): New.
1810 Pass empty class parameters like C.
1811 * call.c (pass_as_empty_struct, empty_class_arg): New.
1812 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
1813 (build_call_a): Use empty_class_arg.
1814 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
1815 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
1817 2016-04-13 Jason Merrill <jason@redhat.com>
1820 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
1822 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
1825 * pt.c (resolve_typename_type): Fix typos in infinite recursion
1826 avoidance mechanism.
1828 2016-04-13 Jason Merrill <jason@redhat.com>
1831 * pt.c (instantiation_dependent_uneval_expression_p): Split out
1832 from instantiation_dependent_expression_p.
1833 (value_dependent_expression_p): Use it for unevaluated operands.
1834 (instantiation_dependent_r): Don't check value-dependence.
1835 (instantiation_dependent_expression_p): Check
1836 value-dependence of the expression as a whole.
1837 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
1838 * semantics.c (finish_decltype_type): Use it.
1840 * constexpr.c (potential_nondependent_constant_expression): New.
1841 (potential_nondependent_static_init_expression): New.
1842 (maybe_constant_value_1, fold_non_dependent_expr)
1843 (maybe_constant_init): Use them.
1844 * pt.c (instantiate_non_dependent_expr_sfinae)
1845 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
1847 * cp-tree.h: Declare them.
1849 2016-04-13 Jakub Jelinek <jakub@redhat.com>
1852 * decl.c (pop_labels_1): Removed.
1853 (note_label, sort_labels): New functions.
1854 (pop_labels): During named_labels traversal, just push the slot
1855 pointers into a vector, then qsort it by DECL_UID and only then
1856 call pop_label and chain it into BLOCK_VARS.
1858 2016-04-13 Jason Merrill <jason@redhat.com>
1861 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
1862 (cp_gimplify_expr): Not here.
1864 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
1867 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
1869 * typeck.c (build_x_conditional_expr): Unconditionally remember
1870 that the result is an lvalue or xvalue.
1872 2016-04-12 Jason Merrill <jason@redhat.com>
1874 * class.c (is_really_empty_class): A zero-length array is empty.
1875 An unnamed bit-field doesn't make a class non-empty.
1877 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
1880 * parser.c (cp_parser_cache_defarg): When file ends in default
1881 argument simply return error_mark_node.
1883 2016-04-12 Nathan Sidwell <nathan@acm.org>
1886 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
1889 2016-04-11 Jason Merrill <jason@redhat.com>
1891 * mangle.c (decl_is_template_id): The template itself counts as a
1894 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
1898 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
1899 on the result if it's not a CONSTRUCTOR.
1901 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
1904 * constexpr.c (find_constructor): New function.
1905 (unshare_constructor): New function.
1906 (cxx_eval_call_expression): Use unshare_constructor instead of
1908 (find_array_ctor_elt): Likewise.
1909 (cxx_eval_vec_init_1): Likewise.
1910 (cxx_eval_store_expression): Likewise.
1911 (cxx_eval_constant_expression): Likewise.
1913 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1916 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
1917 potentially generating a future -Wparentheses warning in its
1920 2016-04-06 Jason Merrill <jason@redhat.com>
1922 * class.c (check_abi_tags): Fix function template handling.
1924 2016-04-05 Nathan Sidwell <nathan@acm.org>
1927 * class.c (fixup_may_alias): New.
1928 (fixup_attribute_variants): Call it.
1930 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1933 * constexpr.c (struct fundef_copy): New struct.
1934 (struct fundef_copies_table_t): New struct.
1935 (fundef_copies_table): New static variable.
1936 (maybe_initialize_fundef_copies_table): New static function.
1937 (get_fundef_copy): New static function.
1938 (save_fundef_copy): New static function.
1939 (cxx_eval_call_expression): Use get_fundef_copy, and
1941 (constexpr_call_table): Add "deletable" GTY marker.
1943 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1946 * cp-tree.h (class cache_map): Remove.
1947 * constexpr.c (cv_cache): Change type to
1948 GTY((deletable)) hash_map<tree, tree> *.
1949 (maybe_constant_value): Adjust following the change to cv_cache.
1950 (clear_cv_cache): New static function.
1951 (clear_cv_and_fold_caches): Use it.
1952 * cp-gimplify.c (fold_cache): Change type to
1953 GTY((deletable)) hash_map<tree, tree> *.
1954 (clear_fold_cache): Adjust following the change to fold_cache.
1955 (cp_fold): Likewise.
1957 2016-04-02 Martin Sebor <msebor@redhat.com>
1963 * constexpr.c (diag_array_subscript): New function.
1964 (cxx_eval_array_reference): Detect out of bounds array indices.
1966 2016-04-01 Jason Merrill <jason@redhat.com>
1970 * pt.c (instantiate_decl): A function isn't fully defined if
1971 DECL_INITIAL is error_mark_node.
1972 * constexpr.c (cxx_eval_call_expression): Likewise.
1974 2016-04-01 Jakub Jelinek <jakub@redhat.com>
1975 Marek Polacek <polacek@redhat.com>
1978 * init.c (warn_placement_new_too_small): Test whether
1979 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
1981 2016-04-01 Nathan Sidwell <nathan@acm.org>
1984 * decl.c (check_redeclaration_exception_specification): Check
1985 regardless of -fno-exceptions.
1986 * typeck2.c (merge_exception_specifiers): Relax assert by checking
1987 flag_exceptions too.
1989 2016-03-31 Nathan Sidwell <nathan@acm.org>
1991 * decl.c (start_preparsed_function): Remove unnecessary bracing.
1992 (finish_destructor_body): Don't emit operator delete here.
1994 2016-03-31 Nathan Sidwell <nathan@acm.org>
1997 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
1998 elements in field order.
2000 2016-03-31 Marek Polacek <polacek@redhat.com>
2003 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2005 2016-03-31 Richard Biener <rguenther@suse.de>
2008 * typeck.c (cp_build_binary_op): Fix operand order of vector
2009 conditional in truth op handling.
2011 2016-03-29 Jason Merrill <jason@redhat.com>
2014 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
2015 in constexpr functions.
2017 2016-03-28 Jason Merrill <jason@redhat.com>
2022 * decl.c, pt.c, constexpr.c: Revert last patch.
2024 2016-03-25 Jason Merrill <jason@redhat.com>
2025 Martin Liška <mliska@suse.cz>
2030 * decl.c (cp_fname_init): Decay the initializer to pointer.
2031 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
2032 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2033 Don't call cp_finish_decl.
2034 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
2035 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
2036 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2037 Handle DECL_VALUE_EXPR.
2039 2016-03-24 Jason Merrill <jason@redhat.com>
2042 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
2045 * constexpr.c (cxx_eval_call_expression): Don't cache result if
2048 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
2051 * tree.c (build_cplus_array_type): Determine type-dependentess
2052 with uses_template_parms instead of with dependent_type_p.
2054 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
2057 * typeck.c (process_init_constructor_union): If the initializer
2058 is empty, use the union's NSDMI if it has one.
2060 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
2063 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
2064 NSDMI that's part of an aggregrate initialization.
2066 2016-03-23 Jakub Jelinek <jakub@redhat.com>
2069 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
2070 for 1..max even for multi-dimensional arrays. Call unshare_expr
2074 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
2075 on TREE_OVERFLOW constants.
2078 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
2079 for OMP_TASKLOOP here.
2080 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
2081 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
2083 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
2084 Jason Merrill <jason@redhat.com>
2085 Jakub Jelinek <jakub@redhat.com>
2088 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
2089 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
2090 (finish_function): Don't set or test them.
2091 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
2093 2016-03-23 Jason Merrill <jason@redhat.com>
2096 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
2098 2016-03-23 Marek Polacek <polacek@redhat.com>
2101 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
2103 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
2105 * call.c (build_conditional_expr_1): Always use original
2106 condition type for vector type checks and build.
2108 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
2111 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
2113 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
2116 * constexpr.c (non_const_var_error): Check
2117 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2119 2016-03-21 Richard Henderson <rth@redhat.com>
2122 * decl.c (notice_forced_label_r): New.
2123 (cp_finish_decl): Use it.
2125 2016-03-21 Jason Merrill <jason@redhat.com>
2128 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
2130 2016-03-18 Jason Merrill <jason@redhat.com>
2133 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
2136 * class.c (vptr_via_virtual_p): New.
2137 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
2138 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
2139 a vptr from any virtual base in a not-in-charge 'structor.
2141 * decl.c (build_clobber_this): Factor out of
2142 start_preparsed_function and begin_destructor_body. Handle
2143 virtual bases better.
2145 * class.c (build_if_in_charge): Split out from build_base_path.
2146 * init.c (expand_virtual_init, expand_default_init): Use it.
2147 * call.c (build_special_member_call): Use it.
2149 2016-03-18 Jakub Jelinek <jakub@redhat.com>
2152 * init.c (build_new_1): Complain and return error_mark_node
2153 if alloc_fn is not _Jv_AllocObject function returning pointer.
2155 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
2158 * search.c (adjust_result_of_qualified_name_lookup): Don't
2159 update the BASELINK_BINFO of DECL if the second call
2160 to lookup_base fails.
2162 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
2165 * parser.c (cp_parser_lambda_expression): Move call to
2166 pop_deferring_access_checks ahead of the call to
2167 cp_parser_end_tentative_firewall.
2169 2016-03-17 Jakub Jelinek <jakub@redhat.com>
2172 * cp-tree.h (magic_varargs_p): Return int instead of bool.
2173 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
2174 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
2176 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
2177 if magic_varargs_p == 1, call decay_conversion
2178 instead of mark_type_use. Don't store error_mark_node arguments to
2179 argarray, instead return error_mark_node.
2182 * decl.c (begin_destructor_body): Don't insert clobber if
2183 is_empty_class (current_class_type).
2185 2016-03-17 Marek Polacek <polacek@redhat.com>
2188 * typeck.c (warn_for_null_address): New function.
2189 (cp_build_binary_op): Call it.
2191 2016-03-16 Jason Merrill <jason@redhat.com>
2194 * decl.c (start_preparsed_function): Don't clobber an empty base.
2196 2016-03-16 Jakub Jelinek <jakub@redhat.com>
2199 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
2200 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
2203 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
2204 set in_base_initializer.
2206 2016-03-15 Marek Polacek <polacek@redhat.com>
2209 * tree.c (strip_typedefs): Call strip_typedefs again on the
2210 DECL_ORIGINAL_TYPE result.
2212 2016-03-15 Jason Merrill <jason@redhat.com>
2215 * pt.c (instantiate_decl): Fix call to variable_template_p.
2218 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
2220 2016-03-14 Casey Carter <casey@carter.net>
2221 Jason Merrill <jason@redhat.com>
2223 P0184R0: Generalizing the Range-Based For Loop
2224 * parser.c (cp_convert_range_for): Set the type of __end separately.
2225 (cp_parser_perform_range_for_lookup): Allow different begin/end
2226 types if they are comparable.
2228 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
2231 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
2232 processing_template_decl and EXPR is a SCOPE_REF.
2234 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
2235 Jakub Jelinek <jakub@redhat.com>
2238 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
2239 return value from cxx_eval_constant_expression from earlier
2240 elements if it is valid constant initializer requiring no
2243 2016-03-10 Marek Polacek <polacek@redhat.com>
2246 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
2248 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
2250 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
2251 when calling c_finish_omp_clauses.
2253 2016-03-08 Jason Merrill <jason@redhat.com>
2255 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
2256 diagnostic for use of "concept".
2257 (cp_parser_requires_clause_opt): And "requires".
2258 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
2259 (cp_parser_explicit_template_declaration): Adjust.
2260 * Make-lang.in (check-c++-all): Add "concepts" to std list.
2262 P0036R0: Unary Folds and Empty Parameter Packs
2263 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
2265 2016-03-08 Jakub Jelinek <jakub@redhat.com>
2268 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
2269 even after the last iteration of the loop.
2271 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
2273 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
2276 * pt.c (get_template_info): Handle PARM_DECL.
2277 (template_class_depth): Check DECL_P instead of
2278 VAR_OR_FUNCTION_DECL_P.
2280 2016-03-05 Jason Merrill <jason@redhat.com>
2283 * constexpr.c (cxx_eval_store_expression): Replace
2284 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
2286 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
2289 * pt.c (template_class_depth): Given a lambda type, iterate
2290 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
2291 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
2294 2016-03-04 Jason Merrill <jason@redhat.com>
2297 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
2298 * init.c (build_vec_delete_1): Set it.
2299 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
2301 2016-03-04 Jakub Jelinek <jakub@redhat.com>
2303 * decl.c (start_preparsed_function): Don't emit start clobber at the
2304 start of constructor clones.
2307 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
2308 * decl.c (start_preparsed_function): Call
2309 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
2310 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
2311 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
2313 2016-03-04 Jason Merrill <jason@redhat.com>
2316 * constexpr.c (cxx_eval_component_reference): Further tweak.
2318 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
2319 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
2320 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
2321 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
2324 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
2327 2016-03-03 Jason Merrill <jason@redhat.com>
2329 * method.c (synthesized_method_walk): operator= can also be constexpr.
2331 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
2332 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
2335 * pt.c (copy_template_args): New.
2336 (tsubst_pack_expansion): Use it.
2338 * call.c (build_aggr_conv): Use get_nsdmi.
2341 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
2344 * constexpr.c (cxx_eval_component_reference): Just return an empty
2345 CONSTRUCTOR for an empty class.
2347 2016-03-01 Jason Merrill <jason@redhat.com>
2350 * parser.c (cp_parser_requires_clause): Call
2351 check_for_bare_parameter_packs.
2354 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
2358 * constexpr.c (cxx_eval_call_expression): Unshare arg.
2359 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
2360 [TARGET_EXPR]: Unshare init.
2362 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
2366 * pt.c (tsubst_baselink): Reinstate the check for an invalid
2369 2016-02-28 Jason Merrill <jason@redhat.com>
2372 * constexpr.c (cxx_eval_store_expression): Unshare init.
2374 2016-02-26 Jason Merrill <jason@redhat.com>
2377 * pt.c (make_argument_pack): New.
2378 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
2379 (tsubst_copy_and_build): Likewise.
2381 2016-02-25 Jason Merrill <jason@redhat.com>
2384 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
2385 * tree.c (build_aggr_init_expr): Set it.
2386 * semantics.c (simplify_aggr_init_expr): Check it.
2387 * cp-gimplify.c (cp_genericize_r): Don't walk into
2388 a call/aggr_init from a thunk.
2391 * method.c (forward_parm): Handle parameter packs.
2392 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
2395 * constexpr.c (cxx_eval_component_reference): Don't complain about
2396 unevaluated empty classes.
2399 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
2401 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
2404 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
2405 (maybe_undo_parenthesized_ref): Declare.
2406 * semantics.c (maybe_undo_parenthesized_ref): Split out from
2408 (finish_call_expr): Use it.
2409 * typeck.c (check_return_expr): Use it.
2410 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
2411 REF_PARENTHESIZED_P flag.
2413 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2416 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
2418 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
2420 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
2421 unless they are folded into INTEGER_CST, error_mark_node or some
2422 comparison with NULL, avoid folding them and use either the original
2423 comparison or non-folded comparison of folded arguments.
2424 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
2425 comparison, don't fold the comparison right away.
2427 2016-02-24 Jason Merrill <jason@redhat.com>
2430 * friend.c (make_friend_class): Likewise.
2431 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2433 2016-02-24 Jason Merrill <jason@redhat.com>
2436 * pt.c (instantiate_class_template_1): Set
2437 processing_template_decl before substituting friend_type.
2439 016-02-24 Martin Sebor <msebor@redhat.com>
2442 * tree.c (build_ctor_subob_ref): Compare types' main variants
2443 instead of the types as they are.
2445 2016-02-24 Jason Merrill <jason@redhat.com>
2447 * decl.c (start_preparsed_function): Condition ctor clobber on
2448 flag_lifetime_dse > 1.
2450 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
2452 2016-02-19 Jason Merrill <jason@redhat.com>
2455 * call.c (remaining_arguments): No longer static.
2456 * cp-tree.h: Declare it.
2457 * pt.c (more_specialized_fn): Use it.
2459 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2460 Bernd Edlinger <bernd.edlinger@hotmail.de>
2462 * Make-lang.in: Invoke gperf with -L C++.
2463 * cfns.gperf: Remove prototypes for hash and libc_name_p
2465 * cfns.h: Regenerated.
2466 * except.c (nothrow_libfn_p): Adjust.
2468 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2471 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
2472 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
2474 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
2477 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
2479 * semantics.c (finish_call_expr): Don't assume a constructor
2480 call is dependent if only the "this" pointer is dependent. When
2481 building a constructor call, always use a dummy object.
2483 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2486 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
2488 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
2489 operators if folding preserved the binop, just with different
2493 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
2494 attr_spec is always single element chain, chain all the attributes
2495 properly together in the right order.
2497 2016-02-18 Jason Merrill <jason@redhat.com>
2499 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
2501 (mangle_decl): Call maybe_check_abi_tags for function scope.
2502 (mangle_guard_variable): Call maybe_check_abi_tags here.
2503 (write_guarded_var_name): Not here.
2505 2016-02-17 Jason Merrill <jason@redhat.com>
2508 * constexpr.c (build_constexpr_constructor_member_initializers):
2509 Handle an additional STATEMENT_LIST.
2512 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
2515 * decl2.c (reset_type_linkage_2): Look through member templates.
2517 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2520 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2522 2016-02-17 Jason Merrill <jason@redhat.com>
2525 * method.c (forward_parm): Split out from...
2526 (add_one_base_init): ...here.
2527 * lambda.c (maybe_add_lambda_conv_op): Use it.
2529 2016-02-16 Jason Merrill <jason@redhat.com>
2533 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
2534 tree.c, typeck2.c: Revert earlier changes.
2535 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
2536 non-type templates after -> or .
2538 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2541 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2543 2016-02-16 Jason Merrill <jason@redhat.com>
2546 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
2547 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
2548 * name-lookup.h: Adjust.
2550 2016-02-16 James Norris <jnorris@codesourcery.com>
2552 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
2553 * semantics.c (finish_omp_clauses): Add deviceptr checking.
2555 2016-02-15 Jakub Jelinek <jakub@redhat.com>
2558 * init.c (expand_default_init): Only call reshape_init
2559 in the direct-initialization from an initializer list case.
2561 2016-02-15 Jason Merrill <jason@redhat.com>
2564 * semantics.c (finish_call_expr): Implicit 'this' does not make
2566 * search.c (any_dependent_bases_p): Split out...
2567 * name-lookup.c (do_class_using_decl): ...from here.
2568 * call.c (build_new_method_call_1): Don't complain about missing object
2569 if there are dependent bases. Tweak error.
2570 * tree.c (non_static_member_function_p): Remove.
2571 * pt.c (type_dependent_expression_p): A member template of a
2572 dependent type is dependent.
2573 * cp-tree.h: Adjust.
2576 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
2578 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
2581 * pt.c (lookup_and_finish_template_variable): New function,
2583 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
2584 (tsubst_qualified_id): Consider that EXPR might be a variable
2586 * typeck.c (check_template_keyword): Don't emit an error
2587 if DECL is a variable template.
2589 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2591 * error.c: Spelling fixes - behaviour -> behavior and
2592 neighbour -> neighbor.
2594 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
2596 * init.c (build_delete): Likewise.
2598 2016-02-11 Jakub Jelinek <jakub@redhat.com>
2601 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
2602 arguments for -Waddress warning. Fix up formatting.
2604 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
2607 * pt.c (lookup_template_class_1): Check tsubst return value for
2610 2016-02-10 Jason Merrill <jason@redhat.com>
2613 * pt.c (resolve_nondeduced_context): Add complain parm.
2614 (do_auto_deduction): Pass it.
2615 * cvt.c (convert_to_void): Likewise.
2616 * decl.c (cp_finish_decl): Likewise.
2617 * init.c (build_new): Likewise.
2618 * rtti.c (get_tinfo_decl_dynamic): Likewise.
2619 * semantics.c (finish_decltype_type): Likewise.
2620 * typeck.c (decay_conversion): Likewise.
2621 * cp-tree.h: Adjust declaration.
2622 * call.c (standard_conversion): Add complain parm, pass it along.
2623 (implicit_conversion): Pass it.
2626 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
2627 (lookup_name_real_1): Likewise.
2628 (remove_hidden_names): Handle non-functions too.
2631 * parser.c (cp_parser_lookup_name): When looking for a template
2632 after . or ->, only consider class templates.
2633 (cp_parser_postfix_dot_deref_expression): Handle the current
2634 instantiation. Remember a dependent object expression.
2635 * typeck2.c (build_x_arrow): Handle the current instantiation.
2637 * ptree.c (debug_tree): Implement for cp_expr.
2639 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2642 * parser.c (cp_parser_simple_type_specifier): Make the check
2643 for disambiguating between an 'auto' placeholder and an implicit
2644 template parameter more robust.
2646 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2650 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
2651 setting its TREE_USED flag.
2653 2016-02-08 Jason Merrill <jason@redhat.com>
2656 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
2659 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2662 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
2663 of the DECL_OMP_DECLARE_REDUCTION_P decls.
2665 2016-02-08 Marek Polacek <polacek@redhat.com>
2668 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
2669 Call clear_fold_cache.
2670 * cp-tree.h: Adjust declaration.
2671 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
2672 rather than clear_cv_cache and clear_fold_cache.
2673 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2675 2016-02-08 Jason Merrill <jason@redhat.com>
2677 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
2678 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
2679 (ocp_convert): Use *_maybe_fold.
2680 (cp_convert_to_pointer): Add dofold parameter.
2681 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2683 2016-02-05 Martin Sebor <msebor@redhat.com>
2686 * init.c (find_field_init): New function.
2687 (warn_placement_new_too_small): Call it. Handle one-element arrays
2688 at ends of structures special.
2690 2016-02-05 Jason Merrill <jason@redhat.com>
2693 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
2694 make sure we've seen_error().
2696 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
2699 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
2700 if lookup_fnfields returns NULL_TREE and the name being looked
2701 up has the form A::A.
2703 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
2705 * constexpr.c (cxx_eval_binary_expression): Fold equality
2706 comparisons involving PTRMEM_CSTs.
2708 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2710 * class.c (find_flexarrays): Don't declare dom variable.
2711 (diagnose_flexarray): Likewise.
2713 2016-02-02 Martain Sebor <msebor@redhat.com>
2720 * class.c (walk_subobject_offsets): Avoid testing the upper bound
2721 of a flexible array member for equality to null.
2722 (find_flexarrays): Remove spurious whitespace introduced in r231665.
2723 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
2724 (check_flexarrays): Same.
2725 * decl.c (compute_array_index_type): Avoid special case for flexible
2727 (grokdeclarator): Avoid calling compute_array_index_type for flexible
2729 * error.c (dump_type_suffix): Revert changes introduced in r231665
2730 and rendered unnecessary by the changes above.
2731 * pt.c (tsubst): Same.
2732 * tree.c (build_ctor_subob_ref): Handle flexible array members.
2733 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
2734 (process_init_constructor_array): Same.
2735 (process_init_constructor_record): Same.
2737 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
2740 * pt.c (try_one_overload): Handle comparing argument packs so
2741 that there is no conflict if we deduced more arguments of an
2742 argument pack than were explicitly specified.
2744 2016-01-31 Jakub Jelinek <jakub@redhat.com>
2745 Jason Merrill <jason@redhat.com>
2748 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
2749 function type if nothing is changing.
2751 2016-01-31 Jason Merrill <jason@redhat.com>
2754 * pt.c (partial_specialization_p, impartial_args): New.
2755 (instantiate_decl): Call impartial_args.
2757 * mangle.c (maybe_check_abi_tags): New.
2758 (write_guarded_var_name): Call it.
2759 (mangle_ref_init_variable): Call check_abi_tags.
2761 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
2762 between template and instantiation.
2764 2016-01-29 Jakub Jelinek <jakub@redhat.com>
2767 * decl.c (wrapup_globals_for_namespace): Warn about unused static
2768 function declarations.
2770 2016-01-29 Marek Polacek <polacek@redhat.com>
2774 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
2775 out of bound" error earlier.
2776 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
2779 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
2781 * name-lookup.c (begin_scope): After reusing a cp_binding_level
2782 structure, update free_binding_level before the structure's
2783 level_chain field gets cleared, not after.
2785 2016-01-28 Jason Merrill <jason@redhat.com>
2788 * search.c (dfs_walk_once, dfs_walk_once_r)
2789 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
2790 hash_set instead of BINFO_MARKED.
2791 (dfs_unmark_r): Remove.
2793 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
2796 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
2797 (cp_lexer_debugging_p): Use it.
2798 (cp_lexer_start_debugging): Likewise.
2799 (cp_lexer_stop_debugging): Likewise.
2801 2016-01-27 Marek Polacek <polacek@redhat.com>
2804 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
2805 needed. Add -Wsign-compare warning.
2807 2016-01-27 Ryan Burn <contact@rnburn.com>
2810 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
2811 superfluous post_p argument in call to
2812 cilk_gimplify_call_params_in_spawned_fn.
2814 2016-01-27 Marek Polacek <polacek@redhat.com>
2817 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
2818 wrapped in NOP_EXPRs.
2820 2016-01-27 Martin Sebor <msebor@redhat.com>
2823 * mangle.c (mangle_decl): Reference the correct (saved) version
2824 of the ABI in -Wabi diagnostics.
2826 2016-01-27 Marek Polacek <polacek@redhat.com>
2829 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
2830 elements of the array.
2832 2016-01-26 Jason Merrill <jason@redhat.com>
2835 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
2836 (cxx_eval_call_expression): Don't look through clones.
2837 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
2838 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
2839 maybe-in-charge *tor.
2841 2016-01-26 Jason Merrill <jason@redhat.com>
2844 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
2845 and TREE_SIDE_EFFECTS.
2846 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2847 verify_constructor_flags.
2849 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2852 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
2853 return error_mark_node instead of building trees with error_mark_node
2856 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2859 * error.c (print_instantiation_partial_context_line): Add missing
2860 newlines from output for the t == NULL case.
2861 (print_instantiation_partial_context): Remove call to pp_newline.
2863 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
2866 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2871 * decl.c (grokdeclarator): Don't decay array parameter type to
2872 a pointer type if it's dependent.
2873 (grokparms): Invoke strip_top_quals instead of directly invoking
2874 cp_build_qualified_type.
2875 * pt.c (decay_dependent_array_parm_type): New static function.
2876 (type_unification_real): Call decay_dependent_array_parm_type
2877 to decay a dependent array parameter type to its corresponding
2878 pointer type before unification.
2879 (more_specialized_fn): Likewise.
2880 (get_bindings): Likewise.
2881 * tree.c (cp_build_qualified_type): Trivial typofix in
2884 2016-01-23 Martin Sebor <msebor@redhat.com>
2888 * decl2.c (is_late_template_attribute): Handle dependent argument
2889 to attribute align and attribute vector_size.
2891 2016-01-21 Jason Merrill <jason@redhat.com>
2894 * lambda.c (lambda_capture_field_type): Handle 'this' specially
2895 for init-capture, too.
2898 * decl.c (type_is_deprecated): Don't look into a typedef.
2902 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
2905 * decl.c (start_enum): Add attributes parameter.
2906 * parser.c (cp_parser_enum_specifier): Pass it.
2907 * pt.c (lookup_template_class_1): Pass it.
2908 * cp-tree.h: Adjust.
2910 2016-01-19 Jason Merrill <jason@redhat.com>
2913 * pt.c (convert_template_argument): Handle VAR_DECL properly.
2915 2016-01-19 Marek Polacek <polacek@redhat.com>
2918 * constexpr.c (clear_cv_cache): New.
2919 * cp-gimplify.c (clear_fold_cache): New.
2920 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
2921 * decl.c (finish_enum_value_list): Call them.
2924 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
2926 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2931 * decl.c (grokdeclarator): Don't decay array parameter type to
2932 a pointer type if it's dependent.
2933 (grokparms): Invoke strip_top_quals instead of directly invoking
2934 cp_build_qualified_type.
2935 * pt.c (decay_dependent_array_parm_type): New static function.
2936 (type_unification_real): Call decay_dependent_array_parm_type
2937 to decay a dependent array parameter type to its corresponding
2938 pointer type before unification.
2939 (more_specialized_fn): Likewise.
2940 (get_bindings): Likewise.
2941 * tree.c (cp_build_qualified_type): Trivial typofix in
2944 2016-01-18 Jason Merrill <jason@redhat.com>
2946 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
2948 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
2951 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
2952 (contains_label_1, contains_label_p): Remove.
2954 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2957 * pt.c (type_dependent_expression_p): For a function template
2958 specialization, a type is dependent iff any of its template
2961 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2963 * cp-array-notation.c (cp_expand_cond_array_notations): Return
2964 error_mark_node only if find_rank failed, not if it was
2967 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2970 * tree.c (build_min_non_dep_call_vec): Don't retain the
2971 KOENIG_LOOKUP_P flag of the non-dependent expression that's
2973 (build_min_non_dep_op_overload): Instead, do it here.
2975 2016-01-15 Jakub Jelinek <jakub@redhat.com>
2978 * parser.h (cp_token): Remove pragma_kind field. Add comment
2979 with number of unused bits.
2980 * parser.c (eof_token): Remove pragma_kind field initializer.
2981 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
2982 field, don't clear CPP_PRAGMA u.value.
2983 (cp_parser_pragma_kind): New function.
2984 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
2985 cp_parser_omp_construct, cp_parser_initial_pragma,
2986 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
2989 2016-01-15 Jason Merrill <jason@redhat.com>
2992 * call.c (build_cxx_call): Use fold_non_dependent_expr.
2994 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
2998 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
2999 array/function-to-pointer conversion. Call
3000 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
3001 * call.c (convert_like_real): Print call context if
3002 decay_conversion errors.
3004 2016-01-14 Tom de Vries <tom@codesourcery.com>
3006 PR tree-optimization/68773
3007 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
3010 2016-01-14 Jason Merrill <jason@redhat.com>
3013 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
3015 2016-01-12 Marek Polacek <polacek@redhat.com>
3018 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
3019 error_at and adjust the return value.
3021 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3025 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
3026 GS_ERROR whenever seen_error (), only if *expr_p contains
3027 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
3031 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
3033 2016-01-11 Jason Merrill <jason@redhat.com>
3036 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
3037 (process_subob_fn): Likewise. Don't consider triviality if true.
3038 (synthesize_method_walk): Pass it.
3040 2016-01-11 David Malcolm <dmalcolm@redhat.com>
3043 * parser.c (cp_parser_postfix_expression): Initialize
3044 close_paren_loc to UNKNOWN_LOCATION; only use it if
3045 it has been written to by
3046 cp_parser_parenthesized_expression_list.
3047 (cp_parser_parenthesized_expression_list): Document the behavior
3048 with respect to the CLOSE_PAREN_LOC param.
3050 2016-01-11 Jakub Jelinek <jakub@redhat.com>
3053 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
3054 folded operands have side-effects, but folding changed any of them,
3055 build a new tree with the folded operands instead of returning the
3058 2016-01-09 Marek Polacek <polacek@redhat.com>
3061 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
3063 2016-01-09 Jakub Jelinek <jakub@redhat.com>
3066 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
3068 2016-01-08 Jason Merrill <jason@redhat.com>
3071 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
3074 2016-01-08 Marek Polacek <polacek@redhat.com>
3077 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
3079 2016-01-08 Jason Merrill <jason@redhat.com>
3081 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
3086 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
3087 TREE_ADDRESSABLE type.
3091 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
3093 2016-01-05 Nathan Sidwell <nathan@acm.org>
3096 * pt.c (build_non_dependent_expr): Don't try a checking fold when
3099 2016-01-04 Jakub Jelinek <jakub@redhat.com>
3101 Update copyright years.
3103 Copyright (C) 2016 Free Software Foundation, Inc.
3105 Copying and distribution of this file, with or without modification,
3106 are permitted in any medium without royalty provided the copyright
3107 notice and this notice are preserved.