re PR c++/71665 (ICE on invalid C++ code with non-integral constant enumerator value...
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1 2016-07-28  Paolo Carlini  <paolo.carlini@oracle.com>
3         PR c++/71665
4         * decl.c (build_enumerator): Check the type of the enumerator before
5         calling cxx_constant_value.
7 2016-07-27  Jason Merrill  <jason@redhat.com>
9         PR c++/71747
10         * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
11         parameters with spec_tmpl.  Call push_tinst_level.
12         (most_specialized_partial_spec): Adjust.
13         (more_specialized_partial_spec): Adjust.
15 2016-07-25  Jason Merrill  <jason@redhat.com>
17         PR c++/65970
18         * cp-gimplify.c (genericize_cp_loop): Revert location change.
20         PR c++/71837
21         * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
22         (build_lambda_object): Call build_x_compound_expr_from_list.
23         * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
25         PR c++/71833
26         PR c++/54440
27         * pt.c (coerce_template_parameter_pack): Fix logic for
28         pack index.
30         PR c++/65970
31         * constexpr.c (cxx_eval_loop_expr): Count iterations.
32         * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
33         infinite loops.
35         PR c++/71972
36         * constexpr.c (cxx_eval_array_reference): Handle looking for the
37         value of an element we're currently modifying.
39 2016-07-24  Jason Merrill  <jason@redhat.com>
41         PR c++/71515
42         * pt.c (resolve_typename_type): Try to avoid calling
43         currently_open_class.
45 2016-07-23  Jason Merrill  <jason@redhat.com>
47         PR c++/66617
48         * call.c (add_list_candidates): Handle VTT parm.
49         (build_new_method_call_1): Likewise.
51         PR c++/55922
52         PR c++/63151
53         * init.c (expand_aggr_init_1): Handle list-initialization from {}.
55         PR c++/70709
56         * class.c (walk_subobject_offsets): Handle 0-length array.
58         PR c++/70778
59         * pt.c (tsubst): Also substitute into the template of a
60         BOUND_TEMPLATE_TEMPLATE_PARM.
62         PR c++/71738
63         * pt.c (lookup_template_class_1): Handle getting template from tsubst.
65         PR c++/71350
66         * decl.c (reshape_init_r): Check complain for missing braces warning.
68 2016-07-22  Jason Merrill  <jason@redhat.com>
70         PR c++/71576
71         * call.c (convert_like_real): Use lvalue_kind.
73         PR c++/71748
74         PR c++/52746
75         * pt.c (tsubst_baselink): Call
76         adjust_result_of_qualified_name_lookup for unqualified
77         destructors.
79 2016-07-21  Jason Merrill  <jason@redhat.com>
81         PR c++/69223
82         * semantics.c (apply_deduced_return_type): Call
83         complete_type_or_else before building the new RESULT_DECL.
85         PR c++/71274
86         * decl2.c (maybe_instantiate_decl): Split out from mark_used.
87         (decl_constant_var_p): Use it instead.
89         PR c++/71630
90         * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
91         variable templates.
93         PR c++/71913
94         * call.c (unsafe_copy_elision_p): It's OK to elide when
95         initializing an unknown object.
97         * call.c (build_over_call): Check unsafe_copy_elision_p even for
98         trivial constructors.
99         * method.c (do_build_copy_constructor): Don't copy tail padding
100         even in a trivial constructor.
102 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
104         PR c++/71728
105         * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
106         Replace assert with test, return false if the goto isn't break
107         or continue.  Formatting fix.
109 2016-07-21  Richard Biener  <rguenther@suse.de>
111         * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
112         DECL_IGNORED_P.
114 2016-07-21  Jakub Jelinek  <jakub@redhat.com>
116         PR c++/71941
117         * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
118         save/restore bc_label array.
120 2016-07-21  Jason Merrill  <jason@redhat.com>
122         PR c++/70781
123         * parser.c (cp_parser_lambda_expression): Unset OK if there was an
124         error parsing the lambda-declarator.
126         PR c++/71896
127         * constexpr.c (cxx_eval_binary_expression): Handle comparison
128         between lowered and unlowered PTRMEM_CST.
130         PR c++/65168
131         * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
132         Don't set c_inhibit_evaluation_warnings.
134         PR c++/71121
135         * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
137 2016-07-21  Andrew Sutton  <andrew.n.sutton@gmail.com>
138             Jason Merrill  <jason@redhat.com>
140         Improving concepts performance and diagnostics.
141         PR c++/67565
142         PR c++/67579
143         PR c++/71843
144         * cp-tree.def (CHECK_CONSTR): New.
145         * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
146         (CHECK_CONSTR_ARGS): New.
147         * constraint.cc (make_predicate_constraint): Remove in favor of
148         normalize_expression.
149         (resolve_constraint_check): Actually return error_mark_node when
150         resolution fails.
151         (resolve_variable_concept_check): Perform coercion as if processing
152         a template. Also return errors on resolution failure.
153         (lift_*): Remove all of these functions. Don't unnecessarily inline
154         concepts.
155         (learn_*): Add facilities to memoize implications for subsumption
156         during normalization.
157         (expanding_concept): New.
158         (expand_concept): New. Return the inlined and normalized definition
159         of a concept when needed.
160         (transform_*, xform_*): Rename to normalize_* to better reflect the
161         responsibility of those functions.
162         (normalize_template_id_expression): Check for non-boolean operands
163         when possible. Generate check constraints instead of normal variable
164         references.
165         (normalize_call_expression): Report errors when resolution fails.
166         (check_for_logical_overloads): Rewrite this check to more accurately
167         report the error.
168         (normalize_atom): Check for overloaded calls and invalid types before
169         determining if the expression refers to a concept.
170         (build_constraints): Don't cache normalized constraints or decomposed
171         assumptions.
172         (finish_shorthand_constraint): Return a normalized expression instead
173         of a predicate constraint.
174         (finish_template_introduction): Same.
175         (placeholder_extract_concept_and_args): Rewrite this since we only
176         ever get check constraints here.
177         (equivalent_placeholder_constraints): Rewrite in terms of check
178         constraints, and handle error_mark_nodes correctly.
179         (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
180         (tsubst_implicit_conversion_constr)
181         (tsubst_argument_deduction_constr, tsubst_exception_constr)
182         (tsubst_parameterized_constraint, tsubst_constraint): New.
183         (tsbust_conjunection): Replace with tsubst_logical_operator and
184         actually generate the right kind of constraint.
185         (tsubst_requirement_body): Reverse the order of substituted arguments
186         so that they appear in the order written (helps diagnostics).
187         (satisfy_check_constraint): New.
188         (satisfy_conjunction): Simplify.
189         (satisfy_disjunction): Same.
190         (satisfy_constraint_1): Handle check constraints.
191         (eval_constr): New (private) global state.
192         (evaluating_constraints_sentinel): New. Manages eval_constr.
193         (satisfy_constraint): Add timing variables.
194         (satisfy_associated_constraints): Add hooks for memoization.
195         (evaluate_function_concept): Build a check constraint instead of
196         normalizing its definition.
197         (evaluate_variable_concept): Same.
198         (evaluate_constraint_expression): Normalize, but in the current
199         declaration processing context.
200         (evaluating_constraints_p): New.
201         (elide_constraint_failure_p): Actually emit constraint_thresh errors.
202         (diagnose_*): Remove artificial indentation. Add a new parameter to
203         each that tracks the current (complete) constraint prior to any
204         substitutions.
205         (diagnose_expression): Removed.
206         (diagnose_call_expression): Same.
207         (diagnose_template_id): Same.
208         (diagnose_template_id): New.
209         (diagnose_logical_constraint): New.
210         (diagnose_expression_constraint): Show the original expression.
211         (diagnose_type_constraint): Show the original type.
212         (diagnose_implicit_conversion_constraint): Be specific about
213         failures, don't re-diagnose a known-to-be-failed substitutions,
214         and manage elisions properly.
215         (diagnose_argument_deduction_constraint): Same.
216         (diagnose_exception_constraint): Same.
217         (diagnose_parameterized_constraint): Same.
218         (constraint_p): Allow EXPR_PACK_EXPANSION.
219         * logic.cc (next_by_distance): Removed. No longer used.
220         (any_p): Renamed from any_of.
221         (term_entry, term_hasher): New.
222         (term_list): Rewrite to include a hash table for quick lookup.
223         Also, make less stateful.
224         (proof_state): Extend to allow goals to be discharged once
225         satisfied.
226         (non_atomic_constraint_p): New.
227         (any_non_atomic_constraints_p): New.
228         (...rest...): Previous implementation completely replaced with an
229         iterative algorithm that opportunistically prunes the search space
230         before committing to using more memory.
231         * parser.c: (cp_parser_type_parameter): Normalize constraints.
232         (cp_parser_explicit_template_declaration): Same.
233         * pt.c: (finish_template_variable): Be less redundant with this error
234         message.
235         (template_args_equal): No longer static.
236         (tsubst_decl): Don't try to find specializations of variables that
237         have already been instantiated.
238         (build_non_dependent_expr): Avoid infinite recursion during concept
239         expansion.
240         (make_constrained_auto): Normalize constraints.
241         (do_auto_deduction): When doing auto deduction from a
242         partial-concept-id, be sure to include the explicit args checking
243         the constraints.
244         (constraint_sat_*): New. Memoize satisfied constraints.
245         (concept_spec_*): New. Memoize expressions associated with a concept
246         specialization.
247         (constraint_memos, concept_memos): New.
248         (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
249         (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
250         (get_concept_expansion, save_concept_expansion): New.
251         (hash_subsumption_args): New.
252         (comp_subsumption_args): New.
253         (subsumption_*): New. Memoize parts of the subsumption relation.
254         (lookup_subsumption_result, save_subsumption_result): New.
255         (init_constraint_processing): Initialize memo tables.
256         (get_constraints): Shortcut if !flag_concepts.
257         * decl.c (grokfndecl): Normalize constraints.
258         * error.c (dump_simple_decl): Print "concept" when appropriate.
259         (dump_function_decl): Same.
260         (dump_template_decl): Don't write requirements when we're not
261         printing the header.
262         (dump_expr): Handle fold expressions.
263         * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
264         fold expressions.
265         (get_fold_operator): New.
266         (pp_cxx_unary_left_fold_expression): New.
267         (pp_cxx_unary_right_fold_expression): New.
268         (pp_cxx_binary_fold_expression): New.
269         (pp_cxx_check_constraint): New.
270         (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
271         to make them easier to read when debugging.
272         * search.c (accessible_p): Don't shortcut when evaluating constraints.
273         * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
275 2016-07-20  David Malcolm  <dmalcolm@redhat.com>
277         PR c/70339
278         PR c/71858
279         * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
280         and parser.h.
281         (suggest_alternatives_for): If no candidates are found, try
282         lookup_name_fuzzy and report if if finds a suggestion.
283         (consider_binding_level): New function.
284         (lookup_name_fuzzy) New function.
285         * parser.c: Include gcc-rich-location.h.
286         (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
287         logic into...
288         (cp_keyword_starts_decl_specifier_p): ...this new function.
289         (cp_parser_diagnose_invalid_type_name): When issuing
290         "does not name a type" errors, attempt to make a suggestion using
291         lookup_name_fuzzy.
292         * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
293         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
294         types that are not CLASS_TYPE_P, rather than rejecting individual
295         tree codes.
297 2016-07-20  Jakub Jelinek  <jakub@redhat.com>
299         PR c++/71909
300         * parser.c (cp_parser_save_member_function_body): Consume
301         __transaction_relaxed or __transaction_atomic with optional
302         attribute.  Only skip catch with block if try keyword is seen.
304         PR c++/50060
305         * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
306         when evaluating call arguments.  Use fold_builtin_call_array instead
307         of fold_build_call_array_loc, return t if it returns NULL.  Otherwise
308         check the result with potential_constant_expression and call
309         cxx_eval_constant_expression on it.
311 2016-07-19  Jason Merrill  <jason@redhat.com>
313         PR c++/67164
314         * pt.c (iterative_hash_template_arg, template_args_equal): Don't
315         handle ARGUMENT_PACK_SELECT.
317 2016-07-18  Jakub Jelinek  <jakub@redhat.com>
319         PR c++/70869
320         PR c++/71054
321         * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
322         * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
323         non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
324         DECL_SIZE_UNIT.
326         PR c++/71835
327         * call.c (build_op_call_1): Use convert_like_with_context only
328         if cand->fn is a decl.
330         PR c++/71828
331         * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
332         For lval don't use cxx_eval_unary_expression and instead recurse
333         and if needed rebuild the reference.
335         PR c++/71826
336         * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
338         PR c++/71822
339         * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
340         fold *expr_p before genericizing it.
342         PR c++/71871
343         * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
345 2016-07-15  Jason Merrill  <jason@redhat.com>
347         PR c++/71495
348         * call.c (convert_like_real): Mask complain.
349         * semantics.c (perform_koenig_lookup): Likewise.
351         PR c++/71092
352         * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
353         threw away DECL_SAVED_TREE.
355         PR c++/71117
356         Core 2189
357         * call.c (add_template_conv_candidate): Disable if there are
358         viable candidates.
360         PR c++/71511
361         * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
363         PR c++/71513
364         * pt.c (tsubst_attributes): Fix loop logic.
366         PR c++/71604
367         PR c++/54430
368         * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
369         (cp_parser_simple_declaration): Diagnose type definition in
370         for-range-declaration.
372         PR c++/71711
373         * operators.def: Add *_FOLD_EXPR.
374         * cp-tree.h (FOLD_EXPR_P): Parenthesize.
375         * mangle.c (write_expression): Handle fold-expressions.
376         * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
377         (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
378         partial instantiation.
380         PR c++/71814
381         * mangle.c (write_expression): Handle sizeof... an argument pack.
383         PR c++/71718
384         * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
386         PR c++/70824
387         * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
388         artificial variables.
390 2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>
392         * parser.c (cp_parser_oacc_declare): Don't scan for
393         GOMP_MAP_POINTER.
394         * semantics.c (handle_omp_array_sections): Mark data clauses with
395         GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
396         zero-length subarrays.
398 2016-07-11  Jason Merrill  <jason@redhat.com>
400         * decl.c (store_parm_decls): Remove check for void parm.
402 2016-07-08  Jason Merrill  <jason@redhat.com>
404         * cp-tree.h: Unpoison lvalue_p.
405         * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
406         tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
407         real_lvalue_p.
409         * tree.c (obvalue_p): Rename from lvalue_p.
410         (lvalue_p): Define for c-common.
411         * call.c, cp-tree.h, cvt.c, init.c: Adjust.
412         * typeck.c: Adjust.
413         (cp_build_addr_expr_1): Remove obsolete code.
415         * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
416         * call.c, cp-tree.h, typeck.c: Adjust.
418         * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
420         P0145R2: Refining Expression Order for C++.
421         * cp-gimplify.c (lvalue_has_side_effects): New.
422         (cp_gimplify_expr): Implement assignment ordering.
423         * call.c (op_is_ordered, build_over_call): Adjust for
424         -fargs-in-order renaming to -fstrong-eval-order.
425         * cp-gimplify.c (cp_gimplify_expr): Likewise.
427 2016-07-07  Jakub Jelinek  <jakub@redhat.com>
428             Kai Tietz  <ktietz70@googlemail.com>
430         PR c++/70869
431         PR c++/71054
432         * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
433         artificial vars, genericize their initializers.
435 2016-07-05  David Malcolm  <dmalcolm@redhat.com>
437         PR c++/62314
438         * parser.c (cp_parser_class_specifier_1): When reporting
439         missing semicolons, use a fixit-hint to suggest insertion
440         of a semicolon immediately after the closing brace,
441         offsetting the reported column accordingly.
443 2016-07-04  Jan Beulich  <jbeulich@suse.com>
445         * lang-specs.h ("@c++-header"): Conditionalize "-o".
447 2016-06-29  Thomas Schwinge  <thomas@codesourcery.com>
449         * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
450         Move pragma context checking into...
451         (cp_parser_omp_cancellation_point): ... here, and improve
452         diagnostic messages.
453         * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
454         Improve diagnostic messages.
456 2016-06-28  Jakub Jelinek  <jakub@redhat.com>
458         * Make-lang.in: Don't cat ../stage_current if it does not exist.
460 2016-06-24  Jason Merrill  <jason@redhat.com>
462         P0145R2: Refining Expression Order for C++.
463         * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
465         * tree.c (get_target_expr_sfinae): Handle bit-fields.
466         (build_target_expr): Call mark_rvalue_use.
468 2016-06-24  Jakub Jelinek  <jakub@redhat.com>
470         * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
471         (build_over_call): For magic == 3, do no conversion only on 3rd
472         argument.
474 2016-06-23  Andi Kleen  <ak@linux.intel.com>
476         * Make-lang.in: Add support for autofdo.
478 2016-06-21  Jason Merrill  <jason@redhat.com>
480         * constraint.cc (constraints_satisfied_p): Keep as many levels of
481         args as our template has levels of parms.
483         * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
484         (type_dependent_expression_p): Use uses_outer_template_parms.
486 2016-06-20  David Malcolm  <dmalcolm@redhat.com>
488         * parser.c (cp_parser_string_literal): Convert non-standard
489         concatenation error to directly use a rich_location, and
490         use that to add the location of the first literal to the
491         diagnostic.
493 2016-06-17  Paolo Carlini  <paolo.carlini@oracle.com>
495         * decl.c (validate_constexpr_redeclaration): Change pair of errors
496         to error + inform.
497         * error.c (dump_function_decl): Save the constexpr specifier too.
499 2016-06-17  Jakub Jelinek  <jakub@redhat.com>
501         * tree.c (builtin_valid_in_constant_expr_p): Test for
502         DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
503         DECL_BUILT_IN.
504         (bot_manip): Likewise.
505         * call.c (magic_varargs_p): Likewise.
507 2016-06-17  Paolo Carlini  <paolo.carlini@oracle.com>
509         * decl.c (grokfndecl): Change pair of errors to error + inform.
511 2016-06-17  Jason Merrill  <jason@redhat.com>
513         PR c++/71209
514         * typeck.c (finish_class_member_access_expr): Avoid "not a base"
515         warning when there are dependent bases.
517 2016-06-17  Jakub Jelinek  <jakub@redhat.com>
519         * semantics.c (handle_omp_array_sections_1): Don't ICE when
520         processing_template_decl when checking for bitfields and unions.
521         Look through REFERENCE_REF_P as base of COMPONENT_REF.
522         (finish_omp_clauses): Look through REFERENCE_REF_P even for
523         array sections with COMPONENT_REF bases.
525 2016-06-16  Jakub Jelinek  <jakub@redhat.com>
527         * parser.c (cp_parser_omp_var_list_no_open): Call
528         convert_from_reference before cp_parser_postfix_dot_deref_expression.
529         * semantics.c (finish_omp_clauses): Don't ICE when
530         processing_template_decl when checking for bitfields and unions.
531         Look through REFERENCE_REF_P as base of COMPONENT_REF.
533 2016-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
535         * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
536         "%qF" in warning_at instead of "%q+F" in warning.
537         (check_redeclaration_exception_specification): Likewise in pedwarn
538         (and error, inform, for consistency).
539         * call.c (joust): Likewise.
541 2016-06-15  Paolo Carlini  <paolo.carlini@oracle.com>
543         PR c++/70202
544         * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
545         code at the end of the for loop; also revert r159637 changes,
546         add back the gcc_assert.
547         * cp-tree.h (xref_basetypes): Adjust declaration.
548         * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
550 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
552         * search.c: Include spellcheck-tree.h rather than spellcheck.h.
554 2016-06-14  David Malcolm  <dmalcolm@redhat.com>
556         * typeck.c: Include "gcc-rich-location.h".
557         (finish_class_member_access_expr): Simplify fixit code by
558         using gcc_rich_location::add_fixit_misspelled_id.
560 2016-06-14  Jason Merrill  <jason@redhat.com>
562         P0145R2: Refining Expression Order for C++.
563         * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
564         (CALL_EXPR_REVERSE_ARGS): New.
565         * call.c (build_new_op_1): Set them.
566         (extract_call_expr, op_is_ordered): New.
567         (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
568         * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
569         * pt.c (tsubst_copy_and_build): Copy new flags.
570         * semantics.c (simplify_aggr_init_expr): Likewise.
571         * tree.c (build_aggr_init_expr): Likewise.
572         (build_min_non_dep_op_overload): Likewise.
574 2016-06-14  Jakub Jelinek  <jakub@redhat.com>
576         PR c++/71528
577         * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
578         olddecl vars, preserve their TREE_READONLY bit.
580         PR c++/71516
581         * decl.c (complete_vars): Handle gracefully type == error_mark_node.
583 2016-06-14  Paolo Carlini  <paolo.carlini@oracle.com>
585         * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
587 2016-06-13  Paolo Carlini  <paolo.carlini@oracle.com>
589         * decl.c (grokdeclarator): Fix typo in pedwarn text.
591 2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>
593         PR c/71381
594         * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
595         Loosen checking.
597 2016-06-09  Paolo Carlini  <paolo.carlini@oracle.com>
599         PR c++/71465
600         Revert:
601         2016-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
603         PR c++/70202
604         * parser.c (cp_parser_class_head): When xref_basetypes fails and
605         emits an error do not zero the type.
607 2016-06-08  Paolo Carlini  <paolo.carlini@oracle.com>
609         * decl.c (maybe_deduce_size_from_array_init): Use
610         DECL_SOURCE_LOCATION in error_at.
611         (layout_var_decl): Likewise.
612         (check_array_initializer): Likewise.
613         (check_initializer): Likewise.
614         (duplicate_decls, check_elaborated_type_specifier): Tidy.
616 2016-06-08  Martin Sebor  <msebor@redhat.com>
617             Jakub Jelinek  <jakub@redhat.com>
619         PR c++/70507
620         PR c/68120
621         * constexpr.c: Include gimple-fold.h.
622         (cxx_eval_internal_function): New function.
623         (cxx_eval_call_expression): Call it.
624         (potential_constant_expression_1): Handle integer arithmetic
625         overflow built-ins.
626         * tree.c (builtin_valid_in_constant_expr_p): Handle
627         BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
629 2016-06-08  Paolo Carlini  <paolo.carlini@oracle.com>
631         * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
632         return value of tsubst_aggr_type for error_mark_node.
634 2016-06-08  Jakub Jelinek  <jakub@redhat.com>
636         PR c++/71442
637         * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
639 2016-06-06  Jakub Jelinek  <jakub@redhat.com>
640             Patrick Palka  <ppalka@gcc.gnu.org>
642         PR c++/70847
643         PR c++/71330
644         PR c++/71393
645         * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
646         right after cp_fold call if cp_fold has returned the same stmt
647         already in some earlier cp_fold_r call.
648         (cp_fold_function): Add pset automatic variable, pass its address
649         to cp_walk_tree.
651 2016-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
653         PR c++/70202
654         * parser.c (cp_parser_class_head): When xref_basetypes fails and
655         emits an error do not zero the type.
657 2016-06-03  Patrick Palka  <ppalka@gcc.gnu.org>
659         PR c++/27100
660         * decl.c (duplicate_decls): Properly copy the
661         DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
662         DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
664 2016-06-03  Chung-Lin Tang  <cltang@codesourcery.com>
666         * semantics.c (finish_omp_clauses): Mark OpenACC reduction
667         arguments as addressable when async clause exists.
669 2016-06-02  Jan Hubicka  <jh@suse.cz>
671         * cp-gimplify.c (genericize_continue_stmt): Force addition of
672         predict stmt.
674 2016-06-02  Paolo Carlini  <paolo.carlini@oracle.com>
676         * decl.c (xref_tag_1): Change pairs of errors to error + inform.
677         (start_enum): Likewise.
678         * parser.c (cp_parser_class_head): Likewise.
680 2016-06-02  Jakub Jelinek  <jakub@redhat.com>
682         PR c++/71372
683         * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
684         is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
685         and TREE_THIS_VOLATILE flags.  For ARRAY_REF and ARRAY_RANGE_REF, copy
686         over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
687         to the newly built tree.
689 2016-05-31  Jason Merrill  <jason@redhat.com>
691         * pt.c (instantiate_decl): Avoid recalculation.
693         PR c++/60095
694         PR c++/69515
695         PR c++/69009
696         * pt.c (instantiate_template_1): Don't put the partial
697         specialization in DECL_TI_TEMPLATE.
698         (partial_specialization_p, impartial_args): Remove.
699         (regenerate_decl_from_template): Add args parm.
700         (instantiate_decl): Look up the partial specialization again.
702         PR c++/71227
703         * pt.c (check_explicit_specialization): Give better diagnostic about
704         specializing a hidden friend.
706 2016-05-31  Paolo Carlini  <paolo.carlini@oracle.com>
708         PR c++/71248
709         * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
710         to obtain correct locations; avoid redundant diagnostics on
711         out-of-class definitions.
713 2016-05-30  Martin Sebor  <msebor@redhat.com>
715         PR c++/71306
716         * init.c (warn_placement_new_too_small): Handle placement new arguments
717         that are elements of arrays more carefully.  Remove a pointless loop.
719 2016-05-30  Jakub Jelinek  <jakub@redhat.com>
721         PR c++/71349
722         * parser.c (cp_parser_omp_for): Don't disallow nowait clause
723         when combined with target construct.
724         (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
725         to cp_parser_omp_all_clauses.
727 2016-05-30  Paolo Carlini  <paolo.carlini@oracle.com>
729         PR c++/71238
730         * lex.c (unqualified_name_lookup_error): Take a location too.
731         (unqualified_fn_lookup_error): Take a cp_expr.
732         * cp-tree.h (unqualified_name_lookup_error,
733         unqualified_fn_lookup_error): Adjust declarations.
734         * semantics.c (perform_koenig_lookup): Adjust
735         unqualified_fn_lookup_error call, pass the location of
736         the identifier too as part of a cp_expr.
738 2016-05-30  Paolo Carlini  <paolo.carlini@oracle.com>
740         PR c++/71099
741         * parser.c (cp_parser_function_specifier_opt): Use current_class_type
742         to improve the diagnostic about wrong uses of 'virtual'.
744 2016-05-29  Paolo Carlini  <paolo.carlini@oracle.com>
746         PR c++/71105
747         * lambda.c (maybe_add_lambda_conv_op): Early return also when
748         LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
750 2016-05-28  Ville Voutilainen  <ville.voutilainen@gmail.com>
752         Revert:
753         PR c++/69855
754         * name-lookup.c (pushdecl_maybe_friend_1): Push local function
755         decls into the global scope after stripping template bits
756         and setting DECL_ANTICIPATED.
758 2016-05-27  Paolo Carlini  <paolo.carlini@oracle.com>
760         PR c++/60385
761         * name-lookup.c (push_namespace): Return bool, false when pushdecl
762         fails.
763         * name-lookup.h (push_namespace): Adjust declaration.
764         * parser.c (cp_parser_namespace_definition): Check push_namespace
765         return value.
767 2016-05-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
769         PR c++/69855
770         * name-lookup.c (pushdecl_maybe_friend_1): Push local function
771         decls into the global scope after stripping template bits
772         and setting DECL_ANTICIPATED.
774 2016-05-26  Jakub Jelinek  <jakub@redhat.com>
776         * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
777         if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
779 2016-05-26  Patrick Palka  <ppalka@gcc.gnu.org>
781         PR c++/70822
782         PR c++/70106
783         * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
784         SCOPE_REFs too.
785         * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
786         on the qualified_id then propagate it to the resulting
787         expression.
788         (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
789         too.
790         * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
791         its REF_PARENTHESIZED_P flag.
793 2016-05-25  Jason Merrill  <jason@redhat.com>
795         PR c++/71173
796         PR c++/70522
797         * cp-tree.h (enum tag_types): Add scope_type.
798         * parser.c (cp_parser_class_name): Use scope_type.
799         (prefer_type_arg): Handle scope_type.
800         (cp_parser_lookup_name): Use prefer_type_arg.
801         * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
802         int prefer_type, use lookup_flags.
803         * name-lookup.h: Adjust.
805 2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>
807         * parser.c (cp_parser_oacc_declare): Add support for
808         GOMP_MAP_FIRSTPRIVATE_POINTER.
809         * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
810         argument with enum c_omp_region_type ort.  Don't privatize OpenACC
811         non-static members.
812         (handle_omp_array_sections): Replace bool is_omp argument with enum
813         c_omp_region_type ort.  Update call to handle_omp_array_sections_1.
814         (finish_omp_clauses): Add specific errors and warning messages for
815         OpenACC.  Use firsrtprivate pointers for OpenACC subarrays.  Update
816         call to handle_omp_array_sections.
818 2016-05-24  Jason Merrill  <jason@redhat.com>
820         PR c++/70584
821         * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
822         returns a decl.
823         (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
825 2016-05-24  Martin Sebor  <msebor@redhat.com>
827         PR c++/71147
828         * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
829         * pt.c (instantiate_class_template_1): Try to complete the element
830         type of a flexible array member.
831         (can_complete_type_without_circularity): Handle arrays of unknown bound.
832         * typeck.c (complete_type): Also complete the type of the elements of
833         arrays with an unspecified bound.
835 2016-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
837         PR c++/69872
838         * typeck2.c (check_narrowing): Check pedwarn return value.
840 2016-05-24  Jakub Jelinek  <jakub@redhat.com>
842         PR c++/71257
843         * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
844         For OMP_CLAUSE_LINEAR_REF don't require type to be
845         integral or pointer.
847 2016-05-24  Richard Biener  <rguenther@suse.de>
849         PR middle-end/70434
850         PR c/69504
851         * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
852         * constexpr.c (cxx_eval_array_reference): Handle indexed
853         vectors.
854         * typeck.c (cp_build_array_ref): Adjust.
856 2016-05-23  Jason Merrill  <jason@redhat.com>
858         PR c++/70344
859         * constexpr.c (cxx_eval_call_expression): Check for
860         fun == current_function_decl again.
862         PR c++/70584
863         * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
864         maybe_undo_parenthesized_ref.
866         PR c++/70735
867         * pt.c (tsubst_copy): Just return a local variable from
868         non-template context.  Don't call rest_of_decl_compilation for
869         duplicated static locals.
870         (tsubst_decl): Set DECL_CONTEXT of local static from another
871         function.
873 2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
875         PR c++/70972
876         * method.c (forward_parm): Use cp_build_reference_type.
878 2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
880         PR c++/69095
881         * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
883 2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
885         * pt.c (check_for_bare_parameter_packs): Improve error message
886         location for expressions.
888 2016-05-20  Nathan Sidwell  <nathan@acm.org>
890         * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
891         ... goto.
892         (cxx_eval_call_expression): Fix comment grammar.
894 2016-05-20  Paolo Carlini  <paolo.carlini@oracle.com>
896         PR c++/70572
897         * decl.c (cp_finish_decl): Check do_auto_deduction return value
898         and return immediately in case of erroneous code.
900 2016-05-19  Marek Polacek  <polacek@redhat.com>
902         PR c++/71075
903         * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
905 2016-05-19  Jason Merrill  <jason@redhat.com>
907         PR c++/10200
908         * pt.c (fn_type_unification): Add outer template args if needed.
909         (type_unification_real): Handle getting full args.
911 2016-05-19  David Malcolm  <dmalcolm@redhat.com>
913         PR c++/71184
914         * parser.c (cp_parser_operator): For array new/delete, check that
915         cp_parser_require returned a non-NULL token before dereferencing
916         it.
918 2016-05-19  Bernd Edlinger  <bernd.edlinger@hotmail.de>
920         * decl.c (finish_enum_value_list): Use the specified mode.
922 2016-05-18  Jason Merrill  <jason@redhat.com>
924         * pt.c (value_dependent_expression_p): Tweak new cases to better
925         match the wording in the standard.
927 2016-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
929         PR c++/69793
930         * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
931         when the previous cp_lexer_peek_token returns CPP_EOF.
933 2016-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
935         PR c++/70466
936         * call.c (convert_like_real): Check that we are actually converting
937         from an init list.
939 2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>
941         * decl.c (grokdeclarator): Remove errmsg and use of
942         targetm.invalid_return_type.
943         (grokparms): Remove errmsg and use of
944         targetm.invalid_parameter_type.
946 2016-05-13  Jason Merrill  <jason@redhat.com>
948         PR c++/10200
949         PR c++/69753
950         * pt.c (tsubst_decl): Use uses_template_parms.
951         (instantiate_template_1): Handle non-dependent calls in templates.
952         (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
953         (type_dependent_expression_p): Only consider innermost template args.
954         (dependent_template_arg_p): Check enclosing class of a template here.
955         (dependent_template_p): Not here.
956         (type_dependent_object_expression_p): New.
957         * typeck.c (finish_class_member_access_expr): Use it.
958         * parser.c (cp_parser_postfix_expression): Use it.
959         (cp_parser_postfix_dot_deref_expression): Use it.  Use comptypes
960         to detect the current instantiation.
961         (cp_parser_lookup_name): Really implement DR 141.
962         * search.c (lookup_field_r): Prefer a dependent using-declaration.
963         (any_dependent_bases_p): Split out from...
964         * name-lookup.c (do_class_using_decl): ...here.
965         * call.c (build_new_method_call_1): Use it.
966         * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
967         * tree.c (non_static_member_function_p): Remove.
968         * typeck2.c (build_x_arrow): Use dependent_scope_p.
970         * parser.c (cp_parser_postfix_dot_deref_expression): Use
971         complete_type_or_else for unknown_type_node, too.
973 2016-05-12  Marek Polacek  <polacek@redhat.com>
975         PR c/70756
976         * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
977         * cp-tree.h (cp_build_modify_expr): Update declaration.
978         (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
979         overloads.
980         * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
981         cp_build_modify_expr.
982         * decl2.c (set_guard): Likewise.
983         (handle_tls_init): Likewise.
984         * init.c (perform_member_init): Likewise.
985         (expand_virtual_init): Likewise.
986         (build_new_1): Likewise.
987         (build_vec_delete_1): Likewise.
988         (get_temp_regvar): Likewise.
989         (build_vec_init): Likewise.
990         * method.c (do_build_copy_assign): Likewise.
991         (assignable_expr): Likewise.
992         * semantics.c (finish_omp_for): Likewise.
993         * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
994         cp_pointer_int_sum.
995         (cp_pointer_int_sum): Add location parameter.  Pass it down to
996         pointer_int_sum.
997         (pointer_diff): Add location parameter.  Use it.
998         (build_modify_expr): Pass location down to cp_build_modify_expr.
999         (cp_build_modify_expr): Add location parameter.  Use it.
1000         (build_x_modify_expr): Pass location down to cp_build_modify_expr.
1001         * typeck2.c (cxx_incomplete_type_diagnostic,
1002         cxx_incomplete_type_error): Add location parameter.
1004 2016-05-11  Marek Polacek  <polacek@redhat.com>
1006         PR c++/71024
1007         * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
1009 2016-05-05  Jakub Jelinek  <jakub@redhat.com>
1011         * parser.c (cp_parser_selection_statement): For RID_SWITCH,
1012         pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
1014 2016-05-04  Marek Polacek  <polacek@redhat.com>
1016         * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
1017         with OPT_Wdangling_else.
1019 2016-05-03  Martin Sebor  <msebor@redhat.com>
1021         PR c++/66561
1022         * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
1023         BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
1025 2016-05-03  Marek Polacek  <polacek@redhat.com>
1027         PR c/70859
1028         * call.c (build_cxx_call): Pass location and vNULL down to
1029         check_builtin_function_arguments.
1031 2016-05-03  Richard Biener  <rguenther@suse.de>
1033         * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
1034         the checksum from the previous stage.
1036 2016-05-02  David Malcolm  <dmalcolm@redhat.com>
1038         PR c++/62314
1039         * typeck.c (finish_class_member_access_expr): When
1040         giving a hint about a possibly-misspelled member name,
1041         add a fix-it replacement hint.
1043 2016-05-02  Cesar Philippidis  <cesar@codesourcery.com>
1045         * cp-tree.h (finish_omp_clauses): Update prototype.
1046         * parser.c (cp_parser_oacc_all_clauses): Update call to
1047         finish_omp_clauses.
1048         (cp_parser_omp_all_clauses): Likewise.
1049         (cp_parser_omp_for_loop): Likewise.
1050         (cp_omp_split_clauses): Likewise.
1051         (cp_parser_oacc_cache): Likewise.
1052         (cp_parser_oacc_loop): Likewise.
1053         (cp_parser_omp_declare_target):
1054         (cp_parser_cilk_simd_all_clauses): Likewise.
1055         (cp_parser_cilk_for): Likewise.
1056         * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
1057         arguments with enum c_omp_region_type ort.
1058         (tsubst_omp_clauses): Update calls to finish_omp_clauses.
1059         (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
1060         (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
1061         (tsubst_expr): Update calls to tsubst_omp_clauses.
1062         * semantics.c (finish_omp_clauses): Replace bool arguments
1063         allow_fields, declare_simd, and is_cilk with bitmask ort.
1064         (finish_omp_for): Update call to finish_omp_clauses.
1066 2016-05-02  David Malcolm  <dmalcolm@redhat.com>
1068         PR c++/62314
1069         * parser.c (cp_parser_class_head): Capture the start location;
1070         use it to emit a fix-it insertion hint when complaining
1071         about missing "template <> " in explicit specializations.
1073 2016-05-02  Richard Sandiford  <richard.sandiford@arm.com>
1075         * init.c (build_new_1): Use shift operators instead of wi:: shifts.
1077 2016-05-02  Richard Biener  <rguenther@suse.de>
1079         * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
1080         anonymous VLAs.
1082 2016-04-29  Paolo Carlini  <paolo.carlini@oracle.com>
1084         PR c++/66644
1085         * class.c (check_field_decl): Remove final int* parameter, change
1086         the return type to bool; fix logic in order not to reject multiple
1087         initialized fields in anonymous struct.
1088         (check_field_decls): Adjust call.
1090 2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>
1092         PR middle-end/70626
1093         * parser.c (cp_parser_oacc_loop): Don't augment mask with
1094         OACC_LOOP_CLAUSE_MASK.
1095         (cp_parser_oacc_kernels_parallel): Update call to
1096         c_oacc_split_loop_clauses.
1098 2016-04-28  Jason Merrill  <jason@redhat.com>
1100         Implement C++17 [[nodiscard]] attribute.
1101         PR c++/38172
1102         PR c++/54379
1103         * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
1104         * tree.c (handle_nodiscard_attribute): New.
1105         (cxx_attribute_table): Add [[nodiscard]].
1106         * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
1107         (maybe_warn_nodiscard): New.
1108         (convert_to_void): Call it.
1110         * cvt.c (cp_get_callee): New.
1111         * constexpr.c (get_function_named_in_call): Use it.
1112         * cxx-pretty-print.c (postfix_expression): Use it.
1113         * except.c (check_noexcept_r): Use it.
1114         * method.c (check_nontriv): Use it.
1115         * tree.c (build_aggr_init_expr): Use it.
1116         * cp-tree.h: Declare it.
1118 2015-04-27  Ryan Burn  <contact@rnburn.com>
1119             Jeff Law  <law@redhat.com>
1121         PR c++/69024
1122         PR c++/68997
1123         * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
1124         instead of cilk_detect_spawn_and_unwrap.
1125         * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
1126         (find_spawn): New.
1127         (cilk_cp_detect_spawn_and_unwrap): New.
1128         * lambda.c: Include cp-cilkplus.h.
1129         * parser.c: Include cp-cilkplus.h.
1130         * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
1131         * cp-cilkpus.h: New file.
1133 2016-04-27  Nathan Sidwell  <nathan@acm.org>
1135         * constexpr.c (get_fundef_copy): Use the original function for
1136         non-recursive evaluations.
1137         (save_fundef_copy): Always expect a slot to be available.
1139 2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>
1141         * parser.c (cp_parser_postfix_expression): Call
1142         warn_for_memset instead of warning directly here.
1144 2016-04-26  Patrick Palka  <ppalka@gcc.gnu.org>
1146         PR c++/70241
1147         * decl.c (build_enumerator): Set current_access_specifier when
1148         declaring an enumerator belonging to an in-class enumeration.
1149         * parser.c (cp_parser_check_access_in_redecleration): Also
1150         consider in-class enumerations.
1152 2016-04-26  Marek Polacek  <polacek@redhat.com>
1154         PR c++/70744
1155         * call.c (build_conditional_expr_1): Call cp_stabilize_reference
1156         instead of stabilize_reference.
1157         (build_over_call): Likewise.
1158         * cp-tree.h (cp_stabilize_reference): Declare.
1159         * tree.c (cp_stabilize_reference): New function.
1160         * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
1161         stabilize_reference.
1162         (unary_complex_lvalue): Likewise.
1163         (cp_build_modify_expr): Likewise.
1165 2016-04-26  Jakub Jelinek  <jakub@redhat.com>
1167         PR bootstrap/70704
1168         * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
1169         just flag_checking.
1171 2016-04-25  Jason Merrill  <jason@redhat.com>
1173         * tree.c (std_attribute_table): New.
1174         (init_tree): Register it.
1176 2016-04-22  Jason Merrill  <jason@redhat.com>
1178         * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
1180 2016-04-21  Patrick Palka  <ppalka@gcc.gnu.org>
1182         * name-lookup.c (free_saved_scope): New free list of saved_scope
1183         structures.
1184         (push_to_top_level): Attempt to reuse a saved_scope struct
1185         from free_saved_scope instead of allocating a new one each time.
1186         (pop_from_top_level_1): Chain the now-unused saved_scope structure
1187         onto free_saved_scope.
1189 2016-04-21  Paolo Carlini  <paolo.carlini@oracle.com>
1191         PR c++/70540
1192         * semantics.c (process_outer_var_ref): Unconditionally return
1193         error_mark_node when mark_used returns false.
1195 2016-04-21  Marek Polacek  <polacek@redhat.com>
1197         PR c++/70513
1198         * parser.c (cp_parser_enum_specifier): Check and possibly error for
1199         extra qualification.
1201 2016-04-20  Nathan Sidwell  <nathan@acm.org>
1203         PR c++/55635
1204         * init.c (build_vec_delete_1): Protect operator delete call in try
1205         finally.
1206         (build_delete): Likewise.
1207         * optimize.c (build_delete_destructor_body): Likewise.
1209 2016-04-20  Ilya Verbin  <ilya.verbin@intel.com>
1211         PR c++/69363
1212         * cp-tree.h (finish_omp_clauses): Add new default argument.
1213         * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
1214         instead of c_finish_cilk_clauses.
1215         * semantics.c (finish_omp_clauses): Add new argument.  Allow
1216         floating-point variables in the linear clause for Cilk Plus.
1218 2016-04-20  Nathan Sidwell  <nathan@acm.org>
1220         * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
1221         TARGET_EXPR.
1223 2016-04-19  Jason Merrill  <jason@redhat.com>
1225         PR c++/66543
1226         * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
1227         * pt.c (make_pack_expansion): Call mark_exp_read.
1228         * semantics.c (finish_id_expression): Call mark_type_use in
1229         unevaluated context.
1231         DR 2137
1232         * call.c (implicit_conversion): If we choose a copy constructor
1233         for list-initialization from the same type, the conversion is an
1234         exact match.
1236         * constexpr.c (breaks): Handle EXIT_EXPR.
1237         (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
1238         (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
1239         of COMPOUND_EXPR.
1241         PR c++/68206
1242         PR c++/68530
1243         * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
1244         and GOTO_EXPR.
1246         * pt.c (tsubst_expr): Remove shadowing declaration.
1247         (tsubst_pack_expansion): Add assert.
1249         * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
1251         PR c++/70522
1252         * name-lookup.c (qualified_lookup_using_namespace): Look through
1253         hidden names.
1255 2016-04-18  Michael Matz  <matz@suse.de>
1257         * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1258         (layout_class_type): Ditto.
1259         (build_base_field): Use SET_DECL_ALIGN.
1260         (fixup_attribute_variants): Use SET_TYPE_ALIGN.
1261         * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
1262         (record_unknown_type): Use SET_TYPE_ALIGN.
1263         (cxx_init_decl_processing): Ditto.
1264         (copy_type_enum): Ditto.
1265         (grokfndecl): Use SET_DECL_ALIGN.
1266         (copy_type_enum): Use SET_TYPE_ALIGN.
1267         * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
1268         (tsubst): Ditto.
1269         * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
1270         * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
1271         * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
1272         * rtti.c (emit_tinfo_decl): Ditto.
1274 2016-04-18  Jason Merrill  <jason@redhat.com>
1276         PR c++/70690
1277         PR c++/70528
1278         * class.c (type_maybe_constexpr_default_constructor): New.
1279         (type_has_constexpr_default_constructor): Revert.
1281 2016-04-16  Sandra Loosemore  <sandra@codesourcery.com>
1283         PR target/1078
1285         * tree.c (cxx_attribute_table): Remove "com_interface" entry.
1286         (handle_com_interface_attribute): Delete.
1288 2016-04-15  Jason Merrill  <jason@redhat.com>
1290         PR c++/70685
1291         * constexpr.c (get_fundef_copy): Handle null *slot.
1293         PR c++/70505
1294         * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
1295         unknown_type_node, too.
1297 2016-04-15  Jason Merrill  <jason@redhat.com>
1298             Nathan Sidwell  <nathan@acm.org>
1300         PR c++/70594
1301         * constexpr.c (constexpr_call_table): Preserve in GC.
1302         (struct fundef_copy, struct fundef_copies_table_t):     Delete.
1303         (fundef_copies_table): Preserve in GC. Change to pointer to
1304         tree->tree hash.
1305         (maybe_initialize_fundef_copies_table): Adjust.
1306         (get_fundef_copy): Return a TREE_LIST.  Use non-inserting search.
1307         (save_fundef_copy): Adjust for a TREE_LIST.
1308         (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
1309         (fini_constexpr): New.
1310         * cp-tree.h (fini_constexpr): Declare.
1311         * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
1313 2016-04-15  Jakub Jelinek  <jakub@redhat.com>
1315         PR c/70436
1316         * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
1317         where needed.
1318         (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
1319         cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
1320         cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
1321         (cp_parser_statement): Likewise.  Adjust cp_parser_cilk_for caller.
1322         (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
1323         cp_parser_statement.
1324         (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
1325         cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
1326         cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
1327         cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
1328         cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
1329         cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
1330         cp_parser_omp_taskloop, cp_parser_omp_construct,
1331         cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
1332         Add IF_P argument, pass it down where needed.
1333         (cp_parser_omp_for_loop): Likewise.  Clear IF_P if nbraces.
1334         (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
1335         calls.
1337 2016-04-14  Jason Merrill  <jason@redhat.com>
1339         PR c++/70494
1340         * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
1341         * typeck2.c (split_nonconstant_init_1): Use it.
1343         PR c++/70528
1344         * class.c (type_has_constexpr_default_constructor): Return true
1345         for an implicitly declared constructor.
1347         PR c++/70622
1348         * parser.c (cp_parser_init_declarator): Add auto_result parm.
1349         (cp_parser_simple_declaration): Pass it.
1350         (strip_declarator_types): New.
1352         PR c++/70543
1353         * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
1354         initializer also makes the variable value-dependent.
1356         PR c++/70648
1357         * constexpr.c (cxx_eval_store_expression): Also copy
1358         CONSTRUCTOR_NO_IMPLICIT_ZERO.
1360 2016-04-14  Martin Sebor  <msebor@redhat.com>
1362         PR c++/69517
1363         PR c++/70019
1364         PR c++/70588
1365         * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
1367 2016-04-14  Jason Merrill  <jason@redhat.com>
1369         * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
1370         parameter ABI change.
1372 2016-04-13  Martin Sebor  <msebor@redhat.com>
1374         PR c++/69517
1375         PR c++/70019
1376         PR c++/70588
1377         * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
1378         functions.
1379         * decl.c (check_initializer, cp_finish_decl): Call them.
1380         (reshape_init_r): Reject incompletely braced intializer-lists
1381         for VLAs.
1382         * init.c (throw_bad_array_length, build_vla_check)
1383         (build_vla_size_check, build_vla_init_check): Define new functions.
1384         * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
1385         to detect a VLA.
1386         (store_init_value): Same.
1388 2016-04-13  Jason Merrill  <jason@redhat.com>
1390         Warn about empty parameter ABI with -Wabi=9.
1391         * call.c (empty_class_msg, mark_for_abi_warning)
1392         (warn_empty_class_abi): New.
1393         (build_call_a): Use them.
1394         * decl.c (store_parm_decls): Use mark_for_abi_warning.
1395         * error.c (pp_format_to_string): New.
1397         Pass empty class parameters like C.
1398         * call.c (pass_as_empty_struct, empty_class_arg): New.
1399         (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
1400         (build_call_a): Use empty_class_arg.
1401         * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
1402         * decl.c (cxx_init_decl_processing): Create empty_struct_type.
1404 2016-04-13  Jason Merrill  <jason@redhat.com>
1406         PR c++/70627
1407         * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
1409 2016-04-13  Paolo Carlini  <paolo.carlini@oracle.com>
1411         PR c++/70635
1412         * pt.c (resolve_typename_type): Fix typos in infinite recursion
1413         avoidance mechanism.
1415 2016-04-13  Jason Merrill  <jason@redhat.com>
1417         PR c++/70634
1418         * pt.c (instantiation_dependent_uneval_expression_p): Split out
1419         from instantiation_dependent_expression_p.
1420         (value_dependent_expression_p): Use it for unevaluated operands.
1421         (instantiation_dependent_r): Don't check value-dependence.
1422         (instantiation_dependent_expression_p): Check
1423         value-dependence of the expression as a whole.
1424         * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
1425         * semantics.c (finish_decltype_type): Use it.
1427         * constexpr.c (potential_nondependent_constant_expression): New.
1428         (potential_nondependent_static_init_expression): New.
1429         (maybe_constant_value_1, fold_non_dependent_expr)
1430         (maybe_constant_init): Use them.
1431         * pt.c (instantiate_non_dependent_expr_sfinae)
1432         (instantiate_non_dependent_or_null, convert_nontype_argument): Use
1433         them.
1434         * cp-tree.h: Declare them.
1436 2016-04-13  Jakub Jelinek  <jakub@redhat.com>
1438         PR c++/70594
1439         * decl.c (pop_labels_1): Removed.
1440         (note_label, sort_labels): New functions.
1441         (pop_labels): During named_labels traversal, just push the slot
1442         pointers into a vector, then qsort it by DECL_UID and only then
1443         call pop_label and chain it into BLOCK_VARS.
1445 2016-04-13  Jason Merrill  <jason@redhat.com>
1447         PR c++/70615
1448         * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
1449         (cp_gimplify_expr): Not here.
1451 2016-04-12  Patrick Palka  <ppalka@gcc.gnu.org>
1453         PR c++/70610
1454         * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
1455         recurse into it.
1456         * typeck.c (build_x_conditional_expr): Unconditionally remember
1457         that the result is an lvalue or xvalue.
1459 2016-04-12  Jason Merrill  <jason@redhat.com>
1461         * class.c (is_really_empty_class): A zero-length array is empty.
1462         An unnamed bit-field doesn't make a class non-empty.
1464 2016-04-12  Paolo Carlini  <paolo.carlini@oracle.com>
1466         PR c++/68722
1467         * parser.c (cp_parser_cache_defarg): When file ends in default
1468         argument simply return error_mark_node.
1470 2016-04-12  Nathan Sidwell  <nathan@acm.org>
1472         PR c++/70501
1473         * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
1474         similarly to PMF.
1476 2016-04-11  Jason Merrill  <jason@redhat.com>
1478         * mangle.c (decl_is_template_id): The template itself counts as a
1479         template-id.
1481 2016-04-08  Patrick Palka  <ppalka@gcc.gnu.org>
1483         PR c++/70590
1484         PR c++/70452
1485         * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
1486         on the result if it's not a CONSTRUCTOR.
1488 2016-04-07  Patrick Palka  <ppalka@gcc.gnu.org>
1490         PR c++/70452
1491         * constexpr.c (find_constructor): New function.
1492         (unshare_constructor): New function.
1493         (cxx_eval_call_expression): Use unshare_constructor instead of
1494         unshare_expr.
1495         (find_array_ctor_elt): Likewise.
1496         (cxx_eval_vec_init_1): Likewise.
1497         (cxx_eval_store_expression): Likewise.
1498         (cxx_eval_constant_expression): Likewise.
1500 2016-04-06  Patrick Palka  <ppalka@gcc.gnu.org>
1502         PR c/70436
1503         * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
1504         potentially generating a future -Wparentheses warning in its
1505         callers.
1507 2016-04-06  Jason Merrill  <jason@redhat.com>
1509         * class.c (check_abi_tags): Fix function template handling.
1511 2016-04-05  Nathan Sidwell  <nathan@acm.org>
1513         PR c++/70512
1514         * class.c (fixup_may_alias): New.
1515         (fixup_attribute_variants): Call it.
1517 2016-04-05  Patrick Palka  <ppalka@gcc.gnu.org>
1519         PR c++/70452
1520         * constexpr.c (struct fundef_copy): New struct.
1521         (struct fundef_copies_table_t): New struct.
1522         (fundef_copies_table): New static variable.
1523         (maybe_initialize_fundef_copies_table): New static function.
1524         (get_fundef_copy): New static function.
1525         (save_fundef_copy): New static function.
1526         (cxx_eval_call_expression): Use get_fundef_copy, and
1527         save_fundef_copy.
1528         (constexpr_call_table): Add "deletable" GTY marker.
1530 2016-04-05  Patrick Palka  <ppalka@gcc.gnu.org>
1532         PR c++/70452
1533         * cp-tree.h (class cache_map): Remove.
1534         * constexpr.c (cv_cache): Change type to
1535         GTY((deletable)) hash_map<tree, tree> *.
1536         (maybe_constant_value): Adjust following the change to cv_cache.
1537         (clear_cv_cache): New static function.
1538         (clear_cv_and_fold_caches): Use it.
1539         * cp-gimplify.c (fold_cache): Change type to
1540         GTY((deletable)) hash_map<tree, tree> *.
1541         (clear_fold_cache): Adjust following the change to fold_cache.
1542         (cp_fold): Likewise.
1544 2016-04-02  Martin Sebor  <msebor@redhat.com>
1546         PR c++/67376
1547         PR c++/70170
1548         PR c++/70172
1549         PR c++/70228
1550         * constexpr.c (diag_array_subscript): New function.
1551         (cxx_eval_array_reference): Detect out of bounds array indices.
1553 2016-04-01  Jason Merrill  <jason@redhat.com>
1555         PR c++/70449
1556         PR c++/70344
1557         * pt.c (instantiate_decl): A function isn't fully defined if
1558         DECL_INITIAL is error_mark_node.
1559         * constexpr.c (cxx_eval_call_expression): Likewise.
1561 2016-04-01  Jakub Jelinek  <jakub@redhat.com>
1562             Marek Polacek  <polacek@redhat.com>
1564         PR c++/70488
1565         * init.c (warn_placement_new_too_small): Test whether
1566         DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
1568 2016-04-01  Nathan Sidwell  <nathan@acm.org>
1570         PR c++/68475
1571         * decl.c (check_redeclaration_exception_specification): Check
1572         regardless of -fno-exceptions.
1573         * typeck2.c (merge_exception_specifiers): Relax assert by checking
1574         flag_exceptions too.
1576 2016-03-31  Nathan Sidwell  <nathan@acm.org>
1578         * decl.c (start_preparsed_function): Remove unnecessary bracing.
1579         (finish_destructor_body): Don't emit operator delete here.
1581 2016-03-31  Nathan Sidwell  <nathan@acm.org>
1583         PR c++/70393
1584         * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
1585         elements in field order.
1587 2016-03-31  Marek Polacek  <polacek@redhat.com>
1589         PR c/70297
1590         * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
1592 2016-03-31  Richard Biener  <rguenther@suse.de>
1594         PR c++/70430
1595         * typeck.c (cp_build_binary_op): Fix operand order of vector
1596         conditional in truth op handling.
1598 2016-03-29  Jason Merrill  <jason@redhat.com>
1600         PR c++/70353
1601         * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
1602         in constexpr functions.
1604 2016-03-28  Jason Merrill  <jason@redhat.com>
1606         PR c++/70422
1607         PR c++/64266
1608         PR c++/70353
1609         * decl.c, pt.c, constexpr.c: Revert last patch.
1611 2016-03-25  Jason Merrill  <jason@redhat.com>
1612             Martin LiÅ¡ka  <mliska@suse.cz>
1614         PR c++/64266
1615         PR c++/70353
1616         Core issue 1962
1617         * decl.c (cp_fname_init): Decay the initializer to pointer.
1618         (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
1619         DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1620         Don't call cp_finish_decl.
1621         * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
1622         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.  Don't call cp_finish_decl.
1623         * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
1624         Handle DECL_VALUE_EXPR.
1626 2016-03-24  Jason Merrill  <jason@redhat.com>
1628         PR c++/70386
1629         * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
1631         PR c++/70323
1632         * constexpr.c (cxx_eval_call_expression): Don't cache result if
1633         *overflow_p.
1635 2016-03-24  Patrick Palka  <ppalka@gcc.gnu.org>
1637         PR c++/62212
1638         * tree.c (build_cplus_array_type): Determine type-dependentess
1639         with uses_template_parms instead of with dependent_type_p.
1641 2016-03-23  Patrick Palka  <ppalka@gcc.gnu.org>
1643         PR c++/70347
1644         * typeck.c (process_init_constructor_union): If the initializer
1645         is empty, use the union's NSDMI if it has one.
1647 2016-03-23  Patrick Palka  <ppalka@gcc.gnu.org>
1649         PR c++/70332
1650         * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
1651         NSDMI that's part of an aggregrate initialization.
1653 2016-03-23  Jakub Jelinek  <jakub@redhat.com>
1655         PR c++/70001
1656         * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
1657         for 1..max even for multi-dimensional arrays.  Call unshare_expr
1658         on it.
1660         PR c++/70323
1661         * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
1662         on TREE_OVERFLOW constants.
1664         PR c++/70376
1665         * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
1666         for OMP_TASKLOOP here.
1667         (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
1668         genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
1670 2016-03-23  Alexandre Oliva  <aoliva@redhat.com>
1671             Jason Merrill  <jason@redhat.com>
1672             Jakub Jelinek  <jakub@redhat.com>
1674         PR c++/69315
1675         * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1676         * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
1677         (finish_function): Don't set or test them.
1678         * decl2.c (mark_used): Don't handle defer_mark_used_calls.
1680 2016-03-23  Jason Merrill  <jason@redhat.com>
1682         PR c++/70344
1683         * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
1685 2016-03-23  Marek Polacek  <polacek@redhat.com>
1687         PR c++/69884
1688         * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
1690 2016-03-22  Ilya Enkovich  <enkovich.gnu@gmail.com>
1692         * call.c (build_conditional_expr_1): Always use original
1693         condition type for vector type checks and build.
1695 2016-03-22  Patrick Palka  <ppalka@gcc.gnu.org>
1697         PR c++/70096
1698         * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
1700 2016-03-22  Patrick Palka  <ppalka@gcc.gnu.org>
1702         PR c++/70204
1703         * constexpr.c (non_const_var_error): Check
1704         DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
1706 2016-03-21  Richard Henderson  <rth@redhat.com>
1708         PR c++/70273
1709         * decl.c (notice_forced_label_r): New.
1710         (cp_finish_decl): Use it.
1712 2016-03-21  Jason Merrill  <jason@redhat.com>
1714         PR c++/70285
1715         * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
1717 2016-03-18  Jason Merrill  <jason@redhat.com>
1719         PR c++/70139
1720         * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
1722         PR c++/70147
1723         * class.c (vptr_via_virtual_p): New.
1724         (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
1725         * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
1726         a vptr from any virtual base in a not-in-charge 'structor.
1728         * decl.c (build_clobber_this): Factor out of
1729         start_preparsed_function and begin_destructor_body.  Handle
1730         virtual bases better.
1732         * class.c (build_if_in_charge): Split out from build_base_path.
1733         * init.c (expand_virtual_init, expand_default_init): Use it.
1734         * call.c (build_special_member_call): Use it.
1736 2016-03-18  Jakub Jelinek  <jakub@redhat.com>
1738         PR c++/70267
1739         * init.c (build_new_1): Complain and return error_mark_node
1740         if alloc_fn is not _Jv_AllocObject function returning pointer.
1742 2016-03-18  Patrick Palka  <ppalka@gcc.gnu.org>
1744         PR c++/70205
1745         * search.c (adjust_result_of_qualified_name_lookup): Don't
1746         update the BASELINK_BINFO of DECL if the second call
1747         to lookup_base fails.
1749 2016-03-18  Patrick Palka  <ppalka@gcc.gnu.org>
1751         PR c++/70218
1752         * parser.c (cp_parser_lambda_expression): Move call to
1753         pop_deferring_access_checks ahead of the call to
1754         cp_parser_end_tentative_firewall.
1756 2016-03-17  Jakub Jelinek  <jakub@redhat.com>
1758         PR c++/70144
1759         * cp-tree.h (magic_varargs_p): Return int instead of bool.
1760         * call.c (magic_varargs_p): Return int instead of bool, return 2 for
1761         Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
1762         varargs.
1763         (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
1764         if magic_varargs_p == 1, call decay_conversion
1765         instead of mark_type_use.  Don't store error_mark_node arguments to
1766         argarray, instead return error_mark_node.
1768         PR c++/70272
1769         * decl.c (begin_destructor_body): Don't insert clobber if
1770         is_empty_class (current_class_type).
1772 2016-03-17  Marek Polacek  <polacek@redhat.com>
1774         PR c++/70194
1775         * typeck.c (warn_for_null_address): New function.
1776         (cp_build_binary_op): Call it.
1778 2016-03-16  Jason Merrill  <jason@redhat.com>
1780         PR c++/70259
1781         * decl.c (start_preparsed_function): Don't clobber an empty base.
1783 2016-03-16  Jakub Jelinek  <jakub@redhat.com>
1785         PR c++/70147
1786         * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
1787         BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
1789         PR c++/70147
1790         * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
1791         set in_base_initializer.
1793 2016-03-15  Marek Polacek  <polacek@redhat.com>
1795         PR c++/70209
1796         * tree.c (strip_typedefs): Call strip_typedefs again on the
1797         DECL_ORIGINAL_TYPE result.
1799 2016-03-15  Jason Merrill  <jason@redhat.com>
1801         PR c++/70095
1802         * pt.c (instantiate_decl): Fix call to variable_template_p.
1804         PR c++/70141
1805         * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
1807 2016-03-14  Casey Carter  <casey@carter.net>
1808             Jason Merrill  <jason@redhat.com>
1810         P0184R0: Generalizing the Range-Based For Loop
1811         * parser.c (cp_convert_range_for): Set the type of __end separately.
1812         (cp_parser_perform_range_for_lookup): Allow different begin/end
1813         types if they are comparable.
1815 2016-03-12  Patrick Palka  <ppalka@gcc.gnu.org>
1817         PR c++/70106
1818         * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
1819         processing_template_decl and EXPR is a SCOPE_REF.
1821 2016-03-10  Patrick Palka  <ppalka@gcc.gnu.org>
1822             Jakub Jelinek  <jakub@redhat.com>
1824         PR c++/70001
1825         * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
1826         return value from cxx_eval_constant_expression from earlier
1827         elements if it is valid constant initializer requiring no
1828         relocations.
1830 2016-03-10  Marek Polacek  <polacek@redhat.com>
1832         PR c++/70153
1833         * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
1835 2016-03-09  Cesar Philippidis  <cesar@codesourcery.com>
1837         * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
1838         when calling c_finish_omp_clauses.
1840 2016-03-08  Jason Merrill  <jason@redhat.com>
1842         * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
1843         diagnostic for use of "concept".
1844         (cp_parser_requires_clause_opt): And "requires".
1845         (cp_parser_type_parameter, cp_parser_late_return_type_opt)
1846         (cp_parser_explicit_template_declaration): Adjust.
1847         * Make-lang.in (check-c++-all): Add "concepts" to std list.
1849         P0036R0: Unary Folds and Empty Parameter Packs
1850         * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
1852 2016-03-08  Jakub Jelinek  <jakub@redhat.com>
1854         PR c++/70135
1855         * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
1856         even after the last iteration of the loop.
1858         * decl.c (duplicate_decls): Fix spelling - becuase -> because.
1860 2016-03-07  Patrick Palka  <ppalka@gcc.gnu.org>
1862         PR c++/66786
1863         * pt.c (get_template_info): Handle PARM_DECL.
1864         (template_class_depth): Check DECL_P instead of
1865         VAR_OR_FUNCTION_DECL_P.
1867 2016-03-05  Jason Merrill  <jason@redhat.com>
1869         PR c++/67364
1870         * constexpr.c (cxx_eval_store_expression): Replace
1871         CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
1873 2016-03-05  Patrick Palka  <ppalka@gcc.gnu.org>
1875         PR c++/66786
1876         * pt.c (template_class_depth): Given a lambda type, iterate
1877         into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
1878         TYPE_CONTEXT.  Given a VAR_DECL, iterate into its
1879         CP_DECL_CONTEXT.
1881 2016-03-04  Jason Merrill  <jason@redhat.com>
1883         PR c++/69203
1884         * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
1885         * init.c (build_vec_delete_1): Set it.
1886         * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
1888 2016-03-04  Jakub Jelinek  <jakub@redhat.com>
1890         * decl.c (start_preparsed_function): Don't emit start clobber at the
1891         start of constructor clones.
1893         PR c++/70035
1894         * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
1895         * decl.c (start_preparsed_function): Call
1896         cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
1897         * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
1898         cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
1900 2016-03-04  Jason Merrill  <jason@redhat.com>
1902         PR c++/67364
1903         * constexpr.c (cxx_eval_component_reference): Further tweak.
1905         * constexpr.c (struct constexpr_ctx): Add save_exprs field.
1906         (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
1907         (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
1908         (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
1910         PR c++/70067
1911         * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
1912         same type.
1914 2016-03-03  Jason Merrill  <jason@redhat.com>
1916         * method.c (synthesized_method_walk): operator= can also be constexpr.
1918         * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
1919         LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
1921         PR c++/67164
1922         * pt.c (copy_template_args): New.
1923         (tsubst_pack_expansion): Use it.
1925         * call.c (build_aggr_conv): Use get_nsdmi.
1927         PR c++/51406
1928         * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
1930         PR c++/67364
1931         * constexpr.c (cxx_eval_component_reference): Just return an empty
1932         CONSTRUCTOR for an empty class.
1934 2016-03-01  Jason Merrill  <jason@redhat.com>
1936         PR c++/70036
1937         * parser.c (cp_parser_requires_clause): Call
1938         check_for_bare_parameter_packs.
1940         PR c++/51489
1941         * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
1942         the operands.
1944         PR c++/69995
1945         * constexpr.c (cxx_eval_call_expression): Unshare arg.
1946         (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
1947         [TARGET_EXPR]: Unshare init.
1949 2016-03-01  Patrick Palka  <ppalka@gcc.gnu.org>
1951         PR c++/68948
1952         PR c++/69961
1953         * pt.c (tsubst_baselink): Reinstate the check for an invalid
1954         constructor call.
1956 2016-02-28  Jason Merrill  <jason@redhat.com>
1958         PR c++/69995
1959         * constexpr.c (cxx_eval_store_expression): Unshare init.
1961 2016-02-26  Jason Merrill  <jason@redhat.com>
1963         PR c++/69958
1964         * pt.c (make_argument_pack): New.
1965         (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
1966         (tsubst_copy_and_build): Likewise.
1968 2016-02-25  Jason Merrill  <jason@redhat.com>
1970         PR c++/69889
1971         * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
1972         * tree.c (build_aggr_init_expr): Set it.
1973         * semantics.c (simplify_aggr_init_expr): Check it.
1974         * cp-gimplify.c (cp_genericize_r): Don't walk into
1975         a call/aggr_init from a thunk.
1977         PR c++/69842
1978         * method.c (forward_parm): Handle parameter packs.
1979         * lambda.c (maybe_add_lambda_conv_op): Use it for them.
1981         PR c++/67364
1982         * constexpr.c (cxx_eval_component_reference): Don't complain about
1983         unevaluated empty classes.
1985         PR c++/68049
1986         * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
1988 2016-02-25  Patrick Palka  <ppalka@gcc.gnu.org>
1990         PR c++/69736
1991         * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
1992         (maybe_undo_parenthesized_ref): Declare.
1993         * semantics.c (maybe_undo_parenthesized_ref): Split out from
1994         check_return_expr.
1995         (finish_call_expr): Use it.
1996         * typeck.c (check_return_expr): Use it.
1997         * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
1998         REF_PARENTHESIZED_P flag.
2000 2016-02-24  Jakub Jelinek  <jakub@redhat.com>
2002         PR c++/69922
2003         * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
2004         Avoid folding it.
2005         * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
2006         tests.
2007         * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
2008         unless they are folded into INTEGER_CST, error_mark_node or some
2009         comparison with NULL, avoid folding them and use either the original
2010         comparison or non-folded comparison of folded arguments.
2011         * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
2012         comparison, don't fold the comparison right away.
2014 2016-02-24  Jason Merrill  <jason@redhat.com>
2016         PR c++/69323
2017         * friend.c (make_friend_class): Likewise.
2018         * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2020 2016-02-24  Jason Merrill  <jason@redhat.com>
2022         PR c++/69323
2023         * pt.c (instantiate_class_template_1): Set
2024         processing_template_decl before substituting friend_type.
2026 016-02-24  Martin Sebor  <msebor@redhat.com>
2028         PR c++/69912
2029         * tree.c (build_ctor_subob_ref): Compare types' main variants
2030         instead of the types as they are.
2032 2016-02-24  Jason Merrill  <jason@redhat.com>
2034         * decl.c (start_preparsed_function): Condition ctor clobber on
2035         flag_lifetime_dse > 1.
2037         * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
2039 2016-02-19  Jason Merrill  <jason@redhat.com>
2041         PR c++/69743
2042         * call.c (remaining_arguments): No longer static.
2043         * cp-tree.h: Declare it.
2044         * pt.c (more_specialized_fn): Use it.
2046 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
2047             Bernd Edlinger  <bernd.edlinger@hotmail.de>
2049         * Make-lang.in: Invoke gperf with -L C++.
2050         * cfns.gperf: Remove prototypes for hash and libc_name_p
2051         inlines.
2052         * cfns.h: Regenerated.
2053         * except.c (nothrow_libfn_p): Adjust.
2055 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
2057         PR c++/69850
2058         * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
2059         NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
2061 2016-02-19  Patrick Palka  <ppalka@gcc.gnu.org>
2063         PR c++/68948
2064         * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
2065         call here.
2066         * semantics.c (finish_call_expr): Don't assume a constructor
2067         call is dependent if only the "this" pointer is dependent.  When
2068         building a constructor call, always use a dummy object.
2070 2016-02-19  Jakub Jelinek  <jakub@redhat.com>
2072         PR c++/69850
2073         * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
2074         condition.
2075         * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
2076         operators if folding preserved the binop, just with different
2077         arguments.
2079         PR c++/67767
2080         * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
2081         attr_spec is always single element chain, chain all the attributes
2082         properly together in the right order.
2084 2016-02-18  Jason Merrill  <jason@redhat.com>
2086         * mangle.c (maybe_check_abi_tags): Add for_decl parm.  Call
2087         mangle_decl.
2088         (mangle_decl): Call maybe_check_abi_tags for function scope.
2089         (mangle_guard_variable): Call maybe_check_abi_tags here.
2090         (write_guarded_var_name): Not here.
2092 2016-02-17  Jason Merrill  <jason@redhat.com>
2094         PR c++/65985
2095         * constexpr.c (build_constexpr_constructor_member_initializers):
2096         Handle an additional STATEMENT_LIST.
2098         PR c++/68585
2099         * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
2101         PR c++/68679
2102         * decl2.c (reset_type_linkage_2): Look through member templates.
2104 2016-02-17  Jakub Jelinek  <jakub@redhat.com>
2106         PR c++/69850
2107         * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2109 2016-02-17  Jason Merrill  <jason@redhat.com>
2111         PR c++/69842
2112         * method.c (forward_parm): Split out from...
2113         (add_one_base_init): ...here.
2114         * lambda.c (maybe_add_lambda_conv_op): Use it.
2116 2016-02-16  Jason Merrill  <jason@redhat.com>
2118         PR c++/10200
2119         PR c++/69753
2120         * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
2121         tree.c, typeck2.c: Revert earlier changes.
2122         * parser.c (cp_parser_lookup_name): Ignore namespace-scope
2123         non-type templates after -> or .
2125 2016-02-16  Jakub Jelinek  <jakub@redhat.com>
2127         PR c/69835
2128         * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2130 2016-02-16  Jason Merrill  <jason@redhat.com>
2132         PR c++/69657
2133         * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
2134         (set_decl_namespace): Pass it.  Complain about finding a hidden friend.
2135         * name-lookup.h: Adjust.
2137 2016-02-16  James Norris  <jnorris@codesourcery.com>
2139         * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
2140         * semantics.c (finish_omp_clauses): Add deviceptr checking.
2142 2016-02-15  Jakub Jelinek  <jakub@redhat.com>
2144         PR c++/69658
2145         * init.c (expand_default_init): Only call reshape_init
2146         in the direct-initialization from an initializer list case.
2148 2016-02-15  Jason Merrill  <jason@redhat.com>
2150         PR c++/69753
2151         * semantics.c (finish_call_expr): Implicit 'this' does not make
2152         the call dependent.
2153         * search.c (any_dependent_bases_p): Split out...
2154         * name-lookup.c (do_class_using_decl): ...from here.
2155         * call.c (build_new_method_call_1): Don't complain about missing object
2156         if there are dependent bases.  Tweak error.
2157         * tree.c (non_static_member_function_p): Remove.
2158         * pt.c (type_dependent_expression_p): A member template of a
2159         dependent type is dependent.
2160         * cp-tree.h: Adjust.
2162         PR c++/68890
2163         * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
2165 2016-02-12  Patrick Palka  <ppalka@gcc.gnu.org>
2167         PR c++/69098
2168         * pt.c (lookup_and_finish_template_variable): New function,
2169         extracted from ...
2170         (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here.  Use it.
2171         (tsubst_qualified_id): Consider that EXPR might be a variable
2172         template.
2173         * typeck.c (check_template_keyword): Don't emit an error
2174         if DECL is a variable template.
2176 2016-02-12  Jakub Jelinek  <jakub@redhat.com>
2178         * error.c: Spelling fixes - behaviour -> behavior and
2179         neighbour -> neighbor.
2180         * decl.c: Likewise.
2181         * typeck.c (cp_build_binary_op): Fix up behavior spelling in
2182         diagnostics.
2183         * init.c (build_delete): Likewise.
2185 2016-02-11  Jakub Jelinek  <jakub@redhat.com>
2187         PR c/69768
2188         * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
2189         arguments for -Waddress warning.  Fix up formatting.
2191 2016-02-11  Paolo Carlini  <paolo.carlini@oracle.com>
2193         PR c++/68726
2194         * pt.c (lookup_template_class_1): Check tsubst return value for
2195         error_mark_node.
2197 2016-02-10  Jason Merrill  <jason@redhat.com>
2199         PR c++/68926
2200         * pt.c (resolve_nondeduced_context): Add complain parm.
2201         (do_auto_deduction): Pass it.
2202         * cvt.c (convert_to_void): Likewise.
2203         * decl.c (cp_finish_decl): Likewise.
2204         * init.c (build_new): Likewise.
2205         * rtti.c (get_tinfo_decl_dynamic): Likewise.
2206         * semantics.c (finish_decltype_type): Likewise.
2207         * typeck.c (decay_conversion): Likewise.
2208         * cp-tree.h: Adjust declaration.
2209         * call.c (standard_conversion): Add complain parm, pass it along.
2210         (implicit_conversion): Pass it.
2212         PR c++/69657
2213         * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
2214         (lookup_name_real_1): Likewise.
2215         (remove_hidden_names): Handle non-functions too.
2217         PR c++/10200
2218         * parser.c (cp_parser_lookup_name): When looking for a template
2219         after . or ->, only consider class templates.
2220         (cp_parser_postfix_dot_deref_expression): Handle the current
2221         instantiation.  Remember a dependent object expression.
2222         * typeck2.c (build_x_arrow): Handle the current instantiation.
2224         * ptree.c (debug_tree): Implement for cp_expr.
2226 2016-02-08  Patrick Palka  <ppalka@gcc.gnu.org>
2228         PR c++/69139
2229         * parser.c (cp_parser_simple_type_specifier): Make the check
2230         for disambiguating between an 'auto' placeholder and an implicit
2231         template parameter more robust.
2233 2016-02-08  Patrick Palka  <ppalka@gcc.gnu.org>
2235         PR c++/69283
2236         PR c++/67835
2237         * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
2238         setting its TREE_USED flag.
2240 2016-02-08  Jason Merrill  <jason@redhat.com>
2242         PR c++/69657
2243         * name-lookup.c (do_nonmember_using_decl): Leave anticipated
2244         built-ins alone.
2246 2016-02-08  Jakub Jelinek  <jakub@redhat.com>
2248         PR c++/59627
2249         * parser.c (cp_parser_omp_declare_reduction): Set assembler name
2250         of the DECL_OMP_DECLARE_REDUCTION_P decls.
2252 2016-02-08  Marek Polacek  <polacek@redhat.com>
2254         PR c++/69688
2255         * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
2256         Call clear_fold_cache.
2257         * cp-tree.h: Adjust declaration.
2258         * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
2259         rather than clear_cv_cache and clear_fold_cache.
2260         * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2262 2016-02-08  Jason Merrill  <jason@redhat.com>
2264         * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
2265         * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
2266         (ocp_convert): Use *_maybe_fold.
2267         (cp_convert_to_pointer): Add dofold parameter.
2268         * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2270 2016-02-05  Martin Sebor  <msebor@redhat.com>
2272         PR c++/69662
2273         * init.c (find_field_init): New function.
2274         (warn_placement_new_too_small): Call it.  Handle one-element arrays
2275         at ends of structures special.
2277 2016-02-05  Jason Merrill  <jason@redhat.com>
2279         PR c++/68948
2280         * semantics.c (finish_expr_stmt): If expr is error_mark_node,
2281         make sure we've seen_error().
2283 2016-02-05  Patrick Palka  <ppalka@gcc.gnu.org>
2285         PR c++/68948
2286         * pt.c (tsubst_baselink): Diagnose an invalid constructor call
2287         if lookup_fnfields returns NULL_TREE and the name being looked
2288         up has the form A::A.
2290 2016-02-04  Patrick Palka  <ppalka@gcc.gnu.org>
2292         * constexpr.c (cxx_eval_binary_expression): Fold equality
2293         comparisons involving PTRMEM_CSTs.
2295 2016-02-04  Jakub Jelinek  <jakub@redhat.com>
2297         * class.c (find_flexarrays): Don't declare dom variable.
2298         (diagnose_flexarray): Likewise.
2300 2016-02-02  Martain Sebor  <msebor@redhat.com>
2302         PR c++/69251
2303         PR c++/69253
2304         PR c++/69290
2305         PR c++/69277
2306         PR c++/69349
2307         * class.c (walk_subobject_offsets): Avoid testing the upper bound
2308         of a flexible array member for equality to null.
2309         (find_flexarrays): Remove spurious whitespace introduced in r231665.
2310         (diagnose_flexarrays): Avoid checking the upper bound of arrays.
2311         (check_flexarrays): Same.
2312         * decl.c (compute_array_index_type): Avoid special case for flexible
2313         array members.
2314         (grokdeclarator): Avoid calling compute_array_index_type for flexible
2315         array members.
2316         * error.c (dump_type_suffix): Revert changes introduced in r231665
2317         and rendered unnecessary by the changes above.
2318         * pt.c (tsubst):  Same.
2319         * tree.c (build_ctor_subob_ref): Handle flexible array members.
2320         * typeck2.c (digest_init_r): Revert changes introduced in r231665.
2321         (process_init_constructor_array): Same.
2322         (process_init_constructor_record): Same.
2324 2016-02-03  Patrick Palka  <ppalka@gcc.gnu.org>
2326         PR c++/69056
2327         * pt.c (try_one_overload): Handle comparing argument packs so
2328         that there is no conflict if we deduced more arguments of an
2329         argument pack than were explicitly specified.
2331 2016-01-31  Jakub Jelinek  <jakub@redhat.com>
2332             Jason Merrill  <jason@redhat.com>
2334         PR c++/68763
2335         * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
2336         function type if nothing is changing.
2338 2016-01-31  Jason Merrill  <jason@redhat.com>
2340         PR c++/69009
2341         * pt.c (partial_specialization_p, impartial_args): New.
2342         (instantiate_decl): Call impartial_args.
2344         * mangle.c (maybe_check_abi_tags): New.
2345         (write_guarded_var_name): Call it.
2346         (mangle_ref_init_variable): Call check_abi_tags.
2348         * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
2349         between template and instantiation.
2351 2016-01-29  Jakub Jelinek  <jakub@redhat.com>
2353         PR debug/66869
2354         * decl.c (wrapup_globals_for_namespace): Warn about unused static
2355         function declarations.
2357 2016-01-29  Marek Polacek  <polacek@redhat.com>
2359         PR c++/69509
2360         PR c++/69516
2361         * constexpr.c (cxx_eval_array_reference): Give the "array subscript
2362         out of bound" error earlier.
2363         * init.c (build_vec_init): Change NE_EXPR into GT_EXPR.  Update the
2364         commentary.
2366 2016-01-29  Patrick Palka  <ppalka@gcc.gnu.org>
2368         * name-lookup.c (begin_scope): After reusing a cp_binding_level
2369         structure, update free_binding_level before the structure's
2370         level_chain field gets cleared, not after.
2372 2016-01-28  Jason Merrill  <jason@redhat.com>
2374         PR c++/67407
2375         * search.c (dfs_walk_once, dfs_walk_once_r)
2376         (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
2377         hash_set instead of BINFO_MARKED.
2378         (dfs_unmark_r): Remove.
2380 2016-01-28  Patrick Palka  <ppalka@gcc.gnu.org>
2382         PR c++/24208
2383         * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
2384         (cp_lexer_debugging_p): Use it.
2385         (cp_lexer_start_debugging): Likewise.
2386         (cp_lexer_stop_debugging): Likewise.
2388 2016-01-27  Marek Polacek  <polacek@redhat.com>
2390         PR c/68062
2391         * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
2392         needed.  Add -Wsign-compare warning.
2394 2016-01-27  Ryan Burn  <contact@rnburn.com>
2396         PR cilkplus/69267
2397         * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
2398         superfluous post_p argument in call to
2399         cilk_gimplify_call_params_in_spawned_fn.
2401 2016-01-27  Marek Polacek  <polacek@redhat.com>
2403         PR c++/69379
2404         * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
2405         wrapped in NOP_EXPRs.
2407 2016-01-27  Martin Sebor  <msebor@redhat.com>
2409         PR c++/69317
2410         * mangle.c (mangle_decl): Reference the correct (saved) version
2411         of the ABI in -Wabi diagnostics.
2413 2016-01-27  Marek Polacek  <polacek@redhat.com>
2415         PR c++/69496
2416         * constexpr.c (cxx_eval_array_reference): Evaluate the number of
2417         elements of the array.
2419 2016-01-26  Jason Merrill  <jason@redhat.com>
2421         PR c++/68949
2422         * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
2423         (cxx_eval_call_expression): Don't look through clones.
2424         * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
2425         * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
2426         maybe-in-charge *tor.
2428 2016-01-26  Jason Merrill  <jason@redhat.com>
2430         PR c++/68782
2431         * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
2432         and TREE_SIDE_EFFECTS.
2433         (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2434         verify_constructor_flags.
2436 2016-01-26  Jakub Jelinek  <jakub@redhat.com>
2438         PR c++/68357
2439         * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
2440         return error_mark_node instead of building trees with error_mark_node
2441         operands.
2443 2016-01-26  David Malcolm  <dmalcolm@redhat.com>
2445         PR other/69006
2446         * error.c (print_instantiation_partial_context_line): Add missing
2447         newlines from output for the t == NULL case.
2448         (print_instantiation_partial_context): Remove call to pp_newline.
2450 2016-01-24  Patrick Palka  <ppalka@gcc.gnu.org>
2452         Revert:
2453         2016-01-18  Patrick Palka  <ppalka@gcc.gnu.org>
2455         PR c++/11858
2456         PR c++/24663
2457         PR c++/24664
2458         * decl.c (grokdeclarator): Don't decay array parameter type to
2459         a pointer type if it's dependent.
2460         (grokparms): Invoke strip_top_quals instead of directly invoking
2461         cp_build_qualified_type.
2462         * pt.c (decay_dependent_array_parm_type): New static function.
2463         (type_unification_real): Call decay_dependent_array_parm_type
2464         to decay a dependent array parameter type to its corresponding
2465         pointer type before unification.
2466         (more_specialized_fn): Likewise.
2467         (get_bindings): Likewise.
2468         * tree.c (cp_build_qualified_type): Trivial typofix in
2469         documentation.
2471 2016-01-23  Martin Sebor  <msebor@redhat.com>
2473         PR c++/58109
2474         PR c++/69022
2475         * decl2.c (is_late_template_attribute): Handle dependent argument
2476         to attribute align and attribute vector_size.
2478 2016-01-21  Jason Merrill  <jason@redhat.com>
2480         PR c++/69392
2481         * lambda.c (lambda_capture_field_type): Handle 'this' specially
2482         for init-capture, too.
2484         PR c++/65687
2485         * decl.c (type_is_deprecated): Don't look into a typedef.
2487         PR c++/40751
2488         PR c++/64987
2489         * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
2491         PR c++/43407
2492         * decl.c (start_enum): Add attributes parameter.
2493         * parser.c (cp_parser_enum_specifier): Pass it.
2494         * pt.c (lookup_template_class_1): Pass it.
2495         * cp-tree.h: Adjust.
2497 2016-01-19  Jason Merrill  <jason@redhat.com>
2499         PR c++/59759
2500         * pt.c (convert_template_argument): Handle VAR_DECL properly.
2502 2016-01-19  Marek Polacek  <polacek@redhat.com>
2504         PR c++/68586
2505         * constexpr.c (clear_cv_cache): New.
2506         * cp-gimplify.c (clear_fold_cache): New.
2507         * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
2508         * decl.c (finish_enum_value_list): Call them.
2510         PR c++/68965
2511         * pt.c (tsubst_copy): Mark elements in expanded vector as used.
2513 2016-01-18  Patrick Palka  <ppalka@gcc.gnu.org>
2515         PR c++/11858
2516         PR c++/24663
2517         PR c++/24664
2518         * decl.c (grokdeclarator): Don't decay array parameter type to
2519         a pointer type if it's dependent.
2520         (grokparms): Invoke strip_top_quals instead of directly invoking
2521         cp_build_qualified_type.
2522         * pt.c (decay_dependent_array_parm_type): New static function.
2523         (type_unification_real): Call decay_dependent_array_parm_type
2524         to decay a dependent array parameter type to its corresponding
2525         pointer type before unification.
2526         (more_specialized_fn): Likewise.
2527         (get_bindings): Likewise.
2528         * tree.c (cp_build_qualified_type): Trivial typofix in
2529         documentation.
2531 2016-01-18  Jason Merrill  <jason@redhat.com>
2533         * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
2535         * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
2537         PR c++/68767
2538         * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify.  Do fold COND_EXPR.
2539         (contains_label_1, contains_label_p): Remove.
2541 2016-01-16  Patrick Palka  <ppalka@gcc.gnu.org>
2543         PR c++/69091
2544         * pt.c (type_dependent_expression_p): For a function template
2545         specialization, a type is dependent iff any of its template
2546         arguments are.
2548 2016-01-16  Patrick Palka  <ppalka@gcc.gnu.org>
2550         * cp-array-notation.c (cp_expand_cond_array_notations): Return
2551         error_mark_node only if find_rank failed, not if it was
2552         successful.
2554 2016-01-16  Patrick Palka  <ppalka@gcc.gnu.org>
2556         PR c++/68936
2557         * tree.c (build_min_non_dep_call_vec): Don't retain the
2558         KOENIG_LOOKUP_P flag of the non-dependent expression that's
2559         been built.
2560         (build_min_non_dep_op_overload): Instead, do it here.
2562 2016-01-15  Jakub Jelinek  <jakub@redhat.com>
2564         PR bootstrap/68271
2565         * parser.h (cp_token): Remove pragma_kind field.  Add comment
2566         with number of unused bits.
2567         * parser.c (eof_token): Remove pragma_kind field initializer.
2568         (cp_lexer_get_preprocessor_token): Don't set pragma_kind
2569         field, don't clear CPP_PRAGMA u.value.
2570         (cp_parser_pragma_kind): New function.
2571         (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
2572         cp_parser_omp_construct, cp_parser_initial_pragma,
2573         cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
2574         pragma_kind field.
2576 2016-01-15  Jason Merrill  <jason@redhat.com>
2578         PR c++/68847
2579         * call.c (build_cxx_call): Use fold_non_dependent_expr.
2581         * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
2582         value.
2584         PR c++/69257
2585         * typeck.c (decay_conversion): Don't call mark_rvalue_use for
2586         array/function-to-pointer conversion.  Call
2587         complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
2588         * call.c (convert_like_real): Print call context if
2589         decay_conversion errors.
2591 2016-01-14  Tom de Vries  <tom@codesourcery.com>
2593         PR tree-optimization/68773
2594         * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
2595         set force_output.
2597 2016-01-14  Jason Merrill  <jason@redhat.com>
2599         PR c++/69261
2600         * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
2602 2016-01-12  Marek Polacek  <polacek@redhat.com>
2604         PR c++/68979
2605         * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
2606         error_at and adjust the return value.
2608 2016-01-12  Jakub Jelinek  <jakub@redhat.com>
2610         PR objc++/68511
2611         PR c++/69213
2612         * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
2613         GS_ERROR whenever seen_error (), only if *expr_p contains
2614         cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
2616         PR c++/66808
2617         PR c++/69000
2618         * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
2620 2016-01-11  Jason Merrill  <jason@redhat.com>
2622         PR c++/69131
2623         * method.c (walk_field_subobs): Add dtor_from_ctor parm.
2624         (process_subob_fn): Likewise.  Don't consider triviality if true.
2625         (synthesize_method_walk): Pass it.
2627 2016-01-11  David Malcolm  <dmalcolm@redhat.com>
2629         PR c++/68795
2630         * parser.c (cp_parser_postfix_expression): Initialize
2631         close_paren_loc to UNKNOWN_LOCATION; only use it if
2632         it has been written to by
2633         cp_parser_parenthesized_expression_list.
2634         (cp_parser_parenthesized_expression_list): Document the behavior
2635         with respect to the CLOSE_PAREN_LOC param.
2637 2016-01-11  Jakub Jelinek  <jakub@redhat.com>
2639         PR c++/69211
2640         * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
2641         folded operands have side-effects, but folding changed any of them,
2642         build a new tree with the folded operands instead of returning the
2643         unfolded tree.
2645 2016-01-09  Marek Polacek  <polacek@redhat.com>
2647         PR c++/69113
2648         * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
2650 2016-01-09  Jakub Jelinek  <jakub@redhat.com>
2652         PR c++/69164
2653         * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
2655 2016-01-08  Jason Merrill  <jason@redhat.com>
2657         PR c++/69158
2658         * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
2659         in completion.
2661 2016-01-08  Marek Polacek  <polacek@redhat.com>
2663         PR c++/68449
2664         * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
2666 2016-01-08  Jason Merrill  <jason@redhat.com>
2668         * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
2669         workaround.
2671         PR c++/68983
2672         PR c++/67557
2673         * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
2674         TREE_ADDRESSABLE type.
2676         PR c++/68983
2677         PR c++/67557
2678         * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
2680 2016-01-05  Nathan Sidwell  <nathan@acm.org>
2682         PR c++/58583
2683         * pt.c (build_non_dependent_expr): Don't try a checking fold when
2684         parsing an nsdmi.
2686 2016-01-04  Jakub Jelinek  <jakub@redhat.com>
2688         Update copyright years.
2690 Copyright (C) 2016 Free Software Foundation, Inc.
2692 Copying and distribution of this file, with or without modification,
2693 are permitted in any medium without royalty provided the copyright
2694 notice and this notice are preserved.