1 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
4 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
6 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
9 * parser.c (cp_parser_class_head): When
10 processing_template_parmlist, don't assume that the
11 class-head may start an explicit specialization.
13 2016-09-16 Jakub Jelinek <jakub@redhat.com>
16 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
17 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
20 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
21 call is_really_empty_class on complete types.
24 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
25 TYPE_HAS_MUTABLE_P for any bases.
27 2016-09-16 Jason Merrill <jason@redhat.com>
29 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
31 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
32 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
34 2016-09-14 Jakub Jelinek <jakub@redhat.com>
37 * name-lookup.c (consider_binding_level): Look through TREE_LIST
40 2016-09-14 Marek Polacek <polacek@redhat.com>
42 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
43 expressions. Tweak an error message.
45 2016-09-14 Marek Polacek <polacek@redhat.com>
47 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
49 * decl2.c (one_static_initialization_or_destruction): Use true instead
51 * init.c (build_vec_init): Use false instead of 0.
52 * pt.c (tsubst_copy_and_build): Likewise.
53 * semantics.c (simplify_loop_decl_cond): Likewise.
54 * typeck.c (rationalize_conditional_expr): Likewise.
55 (cp_build_binary_op): Use true instead of 1.
56 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
58 (build_unary_op): Change nonconvert parameter type to bool.
59 (unary_complex_lvalue): Use false instead of 0.
61 2016-09-13 Jakub Jelinek <jakub@redhat.com>
63 Implement P0028R4, C++17 using attribute namespaces without repetition
64 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
65 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
66 ATTR_NS with non-scoped attribute tokens. Allow named ops in
68 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
69 to cp_parser_std_attribute calls.
70 (cp_parser_std_attribute_spec): Parse optional C++17
71 attribute-using-prefix, adjust grammar in function comment.
74 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
75 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
76 (cxx_eval_pointer_plus_expression): Remove.
77 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
78 call cxx_eval_pointer_plus_expression.
80 2016-09-13 David Malcolm <dmalcolm@redhat.com>
82 * parser.c (cp_parser_class_specifier_1): Update for renaming of
83 add_fixit_insert to add_fixit_insert_before.
84 (cp_parser_class_head): Likewise.
86 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
89 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
90 * class.c (instantiate_type): Look through the SAVE_EXPR.
92 2016-09-09 Jason Merrill <jason@redhat.com>
94 Implement P0035R4, C++17 new of over-aligned types.
95 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
96 (align_type_node): New macro.
97 * call.c (build_operator_new_call): Handle C++17 aligned new.
98 (second_parm_is_size_t, build_op_delete_call): Likewise.
99 (non_placement_deallocation_fn_p): Likewise. Rename to
100 usual_deallocation_fn_p.
101 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
102 * decl.c (cxx_init_decl_processing): Add aligned new support.
103 * init.c (type_has_new_extended_alignment): New.
104 (build_new_1): Handle aligned new.
105 * tree.c (vec_copy_and_insert): New.
107 2016-09-02 Jakub Jelinek <jakub@redhat.com>
110 * decl2.c (do_static_initialization_or_destruction): Only
111 call asan_dynamic_init_call if INITP is true.
113 2016-09-01 Martin Sebor <msebor@redhat.com>
115 * mangle.c: Increase buffer size to guarantee it fits the output
116 of the formatted function regardless of its arguments.
118 2016-09-01 Marek Polacek <polacek@redhat.com>
121 * error.c (dump_type): Fix falls through comment.
122 (dump_decl): Likewise.
123 (dump_expr): Likewise.
125 2016-08-30 David Malcolm <dmalcolm@redhat.com>
127 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
128 hint to ">>" within nested template argument list error.
130 2016-08-30 David Malcolm <dmalcolm@redhat.com>
132 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
133 rather than add_fixit_misspelled_id.
134 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
136 2016-08-29 Jason Merrill <jason@redhat.com>
139 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
140 (mangle_thunk): Add thunk parameter.
141 * method.c (finish_thunk): Pass it.
142 * cp-tree.h: Declare it.
144 2016-08-15 Jason Merrill <jason@redhat.com>
146 Avoid calling a trivial default constructor.
147 * class.c (default_ctor_p): New.
148 (in_class_defaulted_default_constructor): Use it.
149 (type_has_non_user_provided_default_constructor): Use it.
150 * call.c (build_over_call): Handle trivial default constructor.
151 * cp-tree.h: Declare default_ctor_p.
154 * pt.c (do_type_instantiation): Don't mess with non-user-provided
157 2016-08-25 Marek Polacek <polacek@redhat.com>
159 * parser.c (cp_parser_binary_expression): Pass LHS to
160 warn_logical_not_parentheses.
162 2016-08-18 Marek Polacek <polacek@redhat.com>
165 * call.c (add_builtin_candidate): Add gcc_fallthrough.
166 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
167 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
168 (cp_parser_cache_defarg): Likewise.
170 2016-08-12 Marek Polacek <polacek@redhat.com>
173 * call.c (add_builtin_candidate): Add FALLTHRU.
174 (build_integral_nontype_arg_conv): Adjust fall through comment.
175 (build_new_op_1): Add FALLTHRU.
176 (convert_like_real): Adjust fall through comment.
177 * class.c (fixed_type_or_null): Likewise.
178 * constexpr.c (cxx_eval_constant_expression): Likewise.
179 (potential_constant_expression_1): Likewise. Add FALLTHRU.
180 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
181 (cp_fold): Add FALLTHRU.
182 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
183 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
184 (pp_cxx_qualified_id): Likewise.
185 (cxx_pretty_printer::constant): Adjust fall through comment.
186 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
187 (pp_cxx_pm_expression): Adjust fall through comment.
188 (cxx_pretty_printer::expression): Add FALLTHRU.
189 (cxx_pretty_printer::declaration_specifiers): Reformat code.
190 (pp_cxx_type_specifier_seq): Adjust fall through comment.
191 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
192 * error.c (dump_type): Adjust fall through comment.
193 (dump_decl): Likewise.
194 * mangle.c (write_type): Likewise.
195 * method.c (synthesized_method_walk): Add FALLTHRU.
196 * name-lookup.c (arg_assoc_type): Likewise.
197 * parser.c (cp_lexer_print_token): Adjust fall through comment.
198 (cp_parser_primary_expression): Add FALLTHRU.
199 (cp_parser_operator): Likewise.
200 * pt.c (find_parameter_packs_r): Likewise.
201 (tsubst_aggr_type): Adjust fall through comment.
202 * semantics.c (finish_omp_clauses): Add FALLTHRU.
203 * tree.c (lvalue_kind): Likewise.
205 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
208 * cp-objcp-common.c (cp_function_decl_defaulted): New.
209 (cp_function_decl_explicit_p): Const_tree-ify.
210 (cp_function_decl_deleted_p): Likewise.
211 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
212 (cp_function_decl_explicit_p): Const_tree-ify.
213 (cp_function_decl_deleted_p): Likewise.
214 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
216 2016-08-11 Jakub Jelinek <jakub@redhat.com>
219 * constexpr.c (label_matches): Handle case range expressions.
221 2016-08-11 Jason Merrill <jason@redhat.com>
224 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
226 2016-08-10 Jason Merrill <jason@redhat.com>
228 Implement C++17 constexpr if.
229 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
230 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
231 * parser.h (struct cp_parser): Add in_discarded_stmt field.
232 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
233 (cp_parser_jump_statement): Avoid deducing from a discarded return.
234 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
235 * semantics.c (begin_if_stmt): Set the binding level this_entity.
236 (finish_if_stmt_cond): Require the condition of a
237 constexpr if to be constant.
238 * decl.c (level_for_constexpr_if): New.
239 (named_label_entry): Add in_constexpr_if field.
240 (poplevel_named_label_1): Set it.
241 (check_goto): Check it.
242 (check_previous_goto_1): Check level_for_constexpr_if.
244 2016-08-09 Jason Merrill <jason@redhat.com>
247 * decl2.c (any_dependent_type_attributes_p): New.
248 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
249 * semantics.c (finish_id_expression): Check it.
250 * typeck.c (finish_class_member_access_expr): Check it.
253 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
255 Adjust mangling of ABI tags on class template member functions.
256 * class.c (missing_abi_tags): New.
257 (check_abi_tags): Don't check template. Add just_checking mode.
258 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
259 (sorted_abi_tags): Split out from write_abi_tags.
260 (struct releasing_vec): New.
261 (write_unqualified_name): Only look for the primary
262 template for types. Implement backward compatibility.
265 * constexpr.c (cxx_eval_constant_expression): Check
266 COMPLETE_TYPE_P before calling is_really_empty_class.
267 * class.c (is_really_empty_class): Don't call complete_type.
270 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
272 2016-08-09 Jakub Jelinek <jakub@redhat.com>
275 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
276 builtin aggregate types without TYPE_BINFO.
278 2016-08-08 Jason Merrill <jason@redhat.com>
280 Implement C++17 constexpr lambda.
281 * class.c (finalize_literal_type_property): Handle lambdas.
282 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
283 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
285 (cxx_eval_constant_expression): Handle capture proxy.
286 (var_in_constexpr_fn): Don't check for C++14.
287 (var_in_maybe_constexpr_fn): New.
288 (potential_constant_expression_1): Use it. Check DECL_EXPR for
289 declarations not allowed in constexpr function. Handle
290 STATIC_ASSERT, RANGE_FOR_STMT.
291 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
292 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
293 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
294 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
295 (lambda_static_thunk_p): New.
296 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
297 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
298 (cp_parser_decl_specifier_seq): Handle it.
299 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
300 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
301 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
302 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
303 (dump_expr) [FUNCTION_DECL]: Pass it.
305 2016-08-08 Jason Merrill <jason@redhat.com>
308 * class.c (is_really_empty_class): Call complete_type.
309 * constexpr.c (cxx_eval_constant_expression): Check
310 is_really_empty_class.
311 (potential_constant_expression_1): Likewise. Check for error type.
313 2016-08-08 Jakub Jelinek <jakub@redhat.com>
316 * parser.c: Include tree-iterator.h.
317 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
319 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
322 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
324 * call.c (convert_like_real): Harmonize diagnostics for invalid
327 2016-08-05 Martin Sebor <msebor@redhat.com>
329 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
330 the spelling of "constant-expression" in diagnostic messages
332 (cxx_eval_constant_expression): Same.
333 (cxx_eval_outermost_constant_expr): Same.
334 (potential_constant_expression_1): Same.
336 2016-08-05 Nathan Sidwell <nathan@acm.org>
339 * pt.c (unify): TRAIT_EXPR is an expr.
341 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
344 * lambda.c (add_capture): Check lambda_capture_field_type return
345 value for error_mark_node.
347 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
350 * pt.c (tsubst_qualified_id): Return error_mark_node if
351 template_args is error_mark_node.
353 2016-08-04 Jason Merrill <jason@redhat.com>
356 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
359 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
360 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
361 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
362 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
365 * typeck.c (finish_class_member_access_expr): Avoid stripping
366 SCOPE_REF to dependent base.
368 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
370 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
371 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
372 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
373 Simplify code, and improve diagnostics.
374 (cp_parser_oacc_routine): Likewise. Move pragma context
376 (cp_parser_pragma): ... here.
378 * parser.h (struct cp_omp_declare_simd_data): New.
379 (struct cp_parser): Use it for oacc_routine member.
380 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
381 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
382 Use it. Simplify code.
383 (cp_parser_new): Initialize all members pointing to special
384 parsing data structures.
385 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
386 parser->cilk_simd_fn_info->clauses.
387 (cp_parser_omp_declare_simd): Initialize
388 parser->omp_declare_simd->clauses.
389 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
391 2016-08-04 Marek Polacek <polacek@redhat.com>
394 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
397 2016-08-01 Jason Merrill <jason@redhat.com>
399 * mangle.c (mangle_decl): Warn about mangled name change even if
402 * mangle.c (get_abi_tags): New.
403 (find_substitution, write_unqualified_name, write_abi_tags)
404 (maybe_check_abi_tags): Use it.
406 * mangle.c (mangle_decl): Fix mangled name change warning.
409 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
411 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
414 2016-07-30 Martin Sebor <msebor@redhat.com>
418 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
419 involving null pointers.
420 (cxx_eval_component_reference): Reject null pointer dereferences.
421 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
422 (cxx_eval_constant_expression): Reject invalid expressions involving
425 2016-07-29 Marek Polacek <polacek@redhat.com>
428 * semantics.c (maybe_convert_cond): Use the location of COND for the
431 2016-07-29 Jason Merrill <jason@redhat.com>
433 * decl.c (build_enumerator): Tweak diagnostic.
436 * init.c (expand_aggr_init_1): Only handle value-init of bases.
437 * constexpr.c (build_data_member_initialization): Handle multiple
438 initializers for the same field.
440 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
443 * decl.c (build_enumerator): Check the type of the enumerator before
444 calling cxx_constant_value.
446 2016-07-27 Jason Merrill <jason@redhat.com>
449 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
450 parameters with spec_tmpl. Call push_tinst_level.
451 (most_specialized_partial_spec): Adjust.
452 (more_specialized_partial_spec): Adjust.
454 2016-07-25 Jason Merrill <jason@redhat.com>
457 * cp-gimplify.c (genericize_cp_loop): Revert location change.
460 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
461 (build_lambda_object): Call build_x_compound_expr_from_list.
462 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
466 * pt.c (coerce_template_parameter_pack): Fix logic for
470 * constexpr.c (cxx_eval_loop_expr): Count iterations.
471 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
475 * constexpr.c (cxx_eval_array_reference): Handle looking for the
476 value of an element we're currently modifying.
478 2016-07-24 Jason Merrill <jason@redhat.com>
481 * pt.c (resolve_typename_type): Try to avoid calling
482 currently_open_class.
484 2016-07-23 Jason Merrill <jason@redhat.com>
487 * call.c (add_list_candidates): Handle VTT parm.
488 (build_new_method_call_1): Likewise.
492 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
495 * class.c (walk_subobject_offsets): Handle 0-length array.
498 * pt.c (tsubst): Also substitute into the template of a
499 BOUND_TEMPLATE_TEMPLATE_PARM.
502 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
505 * decl.c (reshape_init_r): Check complain for missing braces warning.
507 2016-07-22 Jason Merrill <jason@redhat.com>
510 * call.c (convert_like_real): Use lvalue_kind.
514 * pt.c (tsubst_baselink): Call
515 adjust_result_of_qualified_name_lookup for unqualified
518 2016-07-21 Jason Merrill <jason@redhat.com>
521 * semantics.c (apply_deduced_return_type): Call
522 complete_type_or_else before building the new RESULT_DECL.
525 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
526 (decl_constant_var_p): Use it instead.
529 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
533 * call.c (unsafe_copy_elision_p): It's OK to elide when
534 initializing an unknown object.
536 * call.c (build_over_call): Check unsafe_copy_elision_p even for
537 trivial constructors.
538 * method.c (do_build_copy_constructor): Don't copy tail padding
539 even in a trivial constructor.
541 2016-07-21 Jakub Jelinek <jakub@redhat.com>
544 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
545 Replace assert with test, return false if the goto isn't break
546 or continue. Formatting fix.
548 2016-07-21 Richard Biener <rguenther@suse.de>
550 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
553 2016-07-21 Jakub Jelinek <jakub@redhat.com>
556 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
557 save/restore bc_label array.
559 2016-07-21 Jason Merrill <jason@redhat.com>
562 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
563 error parsing the lambda-declarator.
566 * constexpr.c (cxx_eval_binary_expression): Handle comparison
567 between lowered and unlowered PTRMEM_CST.
570 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
571 Don't set c_inhibit_evaluation_warnings.
574 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
576 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
577 Jason Merrill <jason@redhat.com>
579 Improving concepts performance and diagnostics.
583 * cp-tree.def (CHECK_CONSTR): New.
584 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
585 (CHECK_CONSTR_ARGS): New.
586 * constraint.cc (make_predicate_constraint): Remove in favor of
587 normalize_expression.
588 (resolve_constraint_check): Actually return error_mark_node when
590 (resolve_variable_concept_check): Perform coercion as if processing
591 a template. Also return errors on resolution failure.
592 (lift_*): Remove all of these functions. Don't unnecessarily inline
594 (learn_*): Add facilities to memoize implications for subsumption
595 during normalization.
596 (expanding_concept): New.
597 (expand_concept): New. Return the inlined and normalized definition
598 of a concept when needed.
599 (transform_*, xform_*): Rename to normalize_* to better reflect the
600 responsibility of those functions.
601 (normalize_template_id_expression): Check for non-boolean operands
602 when possible. Generate check constraints instead of normal variable
604 (normalize_call_expression): Report errors when resolution fails.
605 (check_for_logical_overloads): Rewrite this check to more accurately
607 (normalize_atom): Check for overloaded calls and invalid types before
608 determining if the expression refers to a concept.
609 (build_constraints): Don't cache normalized constraints or decomposed
611 (finish_shorthand_constraint): Return a normalized expression instead
612 of a predicate constraint.
613 (finish_template_introduction): Same.
614 (placeholder_extract_concept_and_args): Rewrite this since we only
615 ever get check constraints here.
616 (equivalent_placeholder_constraints): Rewrite in terms of check
617 constraints, and handle error_mark_nodes correctly.
618 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
619 (tsubst_implicit_conversion_constr)
620 (tsubst_argument_deduction_constr, tsubst_exception_constr)
621 (tsubst_parameterized_constraint, tsubst_constraint): New.
622 (tsbust_conjunection): Replace with tsubst_logical_operator and
623 actually generate the right kind of constraint.
624 (tsubst_requirement_body): Reverse the order of substituted arguments
625 so that they appear in the order written (helps diagnostics).
626 (satisfy_check_constraint): New.
627 (satisfy_conjunction): Simplify.
628 (satisfy_disjunction): Same.
629 (satisfy_constraint_1): Handle check constraints.
630 (eval_constr): New (private) global state.
631 (evaluating_constraints_sentinel): New. Manages eval_constr.
632 (satisfy_constraint): Add timing variables.
633 (satisfy_associated_constraints): Add hooks for memoization.
634 (evaluate_function_concept): Build a check constraint instead of
635 normalizing its definition.
636 (evaluate_variable_concept): Same.
637 (evaluate_constraint_expression): Normalize, but in the current
638 declaration processing context.
639 (evaluating_constraints_p): New.
640 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
641 (diagnose_*): Remove artificial indentation. Add a new parameter to
642 each that tracks the current (complete) constraint prior to any
644 (diagnose_expression): Removed.
645 (diagnose_call_expression): Same.
646 (diagnose_template_id): Same.
647 (diagnose_template_id): New.
648 (diagnose_logical_constraint): New.
649 (diagnose_expression_constraint): Show the original expression.
650 (diagnose_type_constraint): Show the original type.
651 (diagnose_implicit_conversion_constraint): Be specific about
652 failures, don't re-diagnose a known-to-be-failed substitutions,
653 and manage elisions properly.
654 (diagnose_argument_deduction_constraint): Same.
655 (diagnose_exception_constraint): Same.
656 (diagnose_parameterized_constraint): Same.
657 (constraint_p): Allow EXPR_PACK_EXPANSION.
658 * logic.cc (next_by_distance): Removed. No longer used.
659 (any_p): Renamed from any_of.
660 (term_entry, term_hasher): New.
661 (term_list): Rewrite to include a hash table for quick lookup.
662 Also, make less stateful.
663 (proof_state): Extend to allow goals to be discharged once
665 (non_atomic_constraint_p): New.
666 (any_non_atomic_constraints_p): New.
667 (...rest...): Previous implementation completely replaced with an
668 iterative algorithm that opportunistically prunes the search space
669 before committing to using more memory.
670 * parser.c: (cp_parser_type_parameter): Normalize constraints.
671 (cp_parser_explicit_template_declaration): Same.
672 * pt.c: (finish_template_variable): Be less redundant with this error
674 (template_args_equal): No longer static.
675 (tsubst_decl): Don't try to find specializations of variables that
676 have already been instantiated.
677 (build_non_dependent_expr): Avoid infinite recursion during concept
679 (make_constrained_auto): Normalize constraints.
680 (do_auto_deduction): When doing auto deduction from a
681 partial-concept-id, be sure to include the explicit args checking
683 (constraint_sat_*): New. Memoize satisfied constraints.
684 (concept_spec_*): New. Memoize expressions associated with a concept
686 (constraint_memos, concept_memos): New.
687 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
688 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
689 (get_concept_expansion, save_concept_expansion): New.
690 (hash_subsumption_args): New.
691 (comp_subsumption_args): New.
692 (subsumption_*): New. Memoize parts of the subsumption relation.
693 (lookup_subsumption_result, save_subsumption_result): New.
694 (init_constraint_processing): Initialize memo tables.
695 (get_constraints): Shortcut if !flag_concepts.
696 * decl.c (grokfndecl): Normalize constraints.
697 * error.c (dump_simple_decl): Print "concept" when appropriate.
698 (dump_function_decl): Same.
699 (dump_template_decl): Don't write requirements when we're not
701 (dump_expr): Handle fold expressions.
702 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
704 (get_fold_operator): New.
705 (pp_cxx_unary_left_fold_expression): New.
706 (pp_cxx_unary_right_fold_expression): New.
707 (pp_cxx_binary_fold_expression): New.
708 (pp_cxx_check_constraint): New.
709 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
710 to make them easier to read when debugging.
711 * search.c (accessible_p): Don't shortcut when evaluating constraints.
712 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
714 2016-07-20 David Malcolm <dmalcolm@redhat.com>
718 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
720 (suggest_alternatives_for): If no candidates are found, try
721 lookup_name_fuzzy and report if if finds a suggestion.
722 (consider_binding_level): New function.
723 (lookup_name_fuzzy) New function.
724 * parser.c: Include gcc-rich-location.h.
725 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
727 (cp_keyword_starts_decl_specifier_p): ...this new function.
728 (cp_parser_diagnose_invalid_type_name): When issuing
729 "does not name a type" errors, attempt to make a suggestion using
731 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
732 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
733 types that are not CLASS_TYPE_P, rather than rejecting individual
736 2016-07-20 Jakub Jelinek <jakub@redhat.com>
739 * parser.c (cp_parser_save_member_function_body): Consume
740 __transaction_relaxed or __transaction_atomic with optional
741 attribute. Only skip catch with block if try keyword is seen.
744 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
745 when evaluating call arguments. Use fold_builtin_call_array instead
746 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
747 check the result with potential_constant_expression and call
748 cxx_eval_constant_expression on it.
750 2016-07-19 Jason Merrill <jason@redhat.com>
753 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
754 handle ARGUMENT_PACK_SELECT.
756 2016-07-18 Jakub Jelinek <jakub@redhat.com>
760 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
761 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
762 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
766 * call.c (build_op_call_1): Use convert_like_with_context only
767 if cand->fn is a decl.
770 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
771 For lval don't use cxx_eval_unary_expression and instead recurse
772 and if needed rebuild the reference.
775 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
778 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
779 fold *expr_p before genericizing it.
782 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
784 2016-07-15 Jason Merrill <jason@redhat.com>
787 * call.c (convert_like_real): Mask complain.
788 * semantics.c (perform_koenig_lookup): Likewise.
791 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
792 threw away DECL_SAVED_TREE.
796 * call.c (add_template_conv_candidate): Disable if there are
800 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
803 * pt.c (tsubst_attributes): Fix loop logic.
807 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
808 (cp_parser_simple_declaration): Diagnose type definition in
809 for-range-declaration.
812 * operators.def: Add *_FOLD_EXPR.
813 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
814 * mangle.c (write_expression): Handle fold-expressions.
815 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
816 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
817 partial instantiation.
820 * mangle.c (write_expression): Handle sizeof... an argument pack.
823 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
826 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
827 artificial variables.
829 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
831 * parser.c (cp_parser_oacc_declare): Don't scan for
833 * semantics.c (handle_omp_array_sections): Mark data clauses with
834 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
835 zero-length subarrays.
837 2016-07-11 Jason Merrill <jason@redhat.com>
839 * decl.c (store_parm_decls): Remove check for void parm.
841 2016-07-08 Jason Merrill <jason@redhat.com>
843 * cp-tree.h: Unpoison lvalue_p.
844 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
845 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
848 * tree.c (obvalue_p): Rename from lvalue_p.
849 (lvalue_p): Define for c-common.
850 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
852 (cp_build_addr_expr_1): Remove obsolete code.
854 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
855 * call.c, cp-tree.h, typeck.c: Adjust.
857 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
859 P0145R2: Refining Expression Order for C++.
860 * cp-gimplify.c (lvalue_has_side_effects): New.
861 (cp_gimplify_expr): Implement assignment ordering.
862 * call.c (op_is_ordered, build_over_call): Adjust for
863 -fargs-in-order renaming to -fstrong-eval-order.
864 * cp-gimplify.c (cp_gimplify_expr): Likewise.
866 2016-07-07 Jakub Jelinek <jakub@redhat.com>
867 Kai Tietz <ktietz70@googlemail.com>
871 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
872 artificial vars, genericize their initializers.
874 2016-07-05 David Malcolm <dmalcolm@redhat.com>
877 * parser.c (cp_parser_class_specifier_1): When reporting
878 missing semicolons, use a fixit-hint to suggest insertion
879 of a semicolon immediately after the closing brace,
880 offsetting the reported column accordingly.
882 2016-07-04 Jan Beulich <jbeulich@suse.com>
884 * lang-specs.h ("@c++-header"): Conditionalize "-o".
886 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
888 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
889 Move pragma context checking into...
890 (cp_parser_omp_cancellation_point): ... here, and improve
892 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
893 Improve diagnostic messages.
895 2016-06-28 Jakub Jelinek <jakub@redhat.com>
897 * Make-lang.in: Don't cat ../stage_current if it does not exist.
899 2016-06-24 Jason Merrill <jason@redhat.com>
901 P0145R2: Refining Expression Order for C++.
902 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
904 * tree.c (get_target_expr_sfinae): Handle bit-fields.
905 (build_target_expr): Call mark_rvalue_use.
907 2016-06-24 Jakub Jelinek <jakub@redhat.com>
909 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
910 (build_over_call): For magic == 3, do no conversion only on 3rd
913 2016-06-23 Andi Kleen <ak@linux.intel.com>
915 * Make-lang.in: Add support for autofdo.
917 2016-06-21 Jason Merrill <jason@redhat.com>
919 * constraint.cc (constraints_satisfied_p): Keep as many levels of
920 args as our template has levels of parms.
922 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
923 (type_dependent_expression_p): Use uses_outer_template_parms.
925 2016-06-20 David Malcolm <dmalcolm@redhat.com>
927 * parser.c (cp_parser_string_literal): Convert non-standard
928 concatenation error to directly use a rich_location, and
929 use that to add the location of the first literal to the
932 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
934 * decl.c (validate_constexpr_redeclaration): Change pair of errors
936 * error.c (dump_function_decl): Save the constexpr specifier too.
938 2016-06-17 Jakub Jelinek <jakub@redhat.com>
940 * tree.c (builtin_valid_in_constant_expr_p): Test for
941 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
943 (bot_manip): Likewise.
944 * call.c (magic_varargs_p): Likewise.
946 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
948 * decl.c (grokfndecl): Change pair of errors to error + inform.
950 2016-06-17 Jason Merrill <jason@redhat.com>
953 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
954 warning when there are dependent bases.
956 2016-06-17 Jakub Jelinek <jakub@redhat.com>
958 * semantics.c (handle_omp_array_sections_1): Don't ICE when
959 processing_template_decl when checking for bitfields and unions.
960 Look through REFERENCE_REF_P as base of COMPONENT_REF.
961 (finish_omp_clauses): Look through REFERENCE_REF_P even for
962 array sections with COMPONENT_REF bases.
964 2016-06-16 Jakub Jelinek <jakub@redhat.com>
966 * parser.c (cp_parser_omp_var_list_no_open): Call
967 convert_from_reference before cp_parser_postfix_dot_deref_expression.
968 * semantics.c (finish_omp_clauses): Don't ICE when
969 processing_template_decl when checking for bitfields and unions.
970 Look through REFERENCE_REF_P as base of COMPONENT_REF.
972 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
974 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
975 "%qF" in warning_at instead of "%q+F" in warning.
976 (check_redeclaration_exception_specification): Likewise in pedwarn
977 (and error, inform, for consistency).
978 * call.c (joust): Likewise.
980 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
983 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
984 code at the end of the for loop; also revert r159637 changes,
985 add back the gcc_assert.
986 * cp-tree.h (xref_basetypes): Adjust declaration.
987 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
989 2016-06-14 David Malcolm <dmalcolm@redhat.com>
991 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
993 2016-06-14 David Malcolm <dmalcolm@redhat.com>
995 * typeck.c: Include "gcc-rich-location.h".
996 (finish_class_member_access_expr): Simplify fixit code by
997 using gcc_rich_location::add_fixit_misspelled_id.
999 2016-06-14 Jason Merrill <jason@redhat.com>
1001 P0145R2: Refining Expression Order for C++.
1002 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
1003 (CALL_EXPR_REVERSE_ARGS): New.
1004 * call.c (build_new_op_1): Set them.
1005 (extract_call_expr, op_is_ordered): New.
1006 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
1007 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
1008 * pt.c (tsubst_copy_and_build): Copy new flags.
1009 * semantics.c (simplify_aggr_init_expr): Likewise.
1010 * tree.c (build_aggr_init_expr): Likewise.
1011 (build_min_non_dep_op_overload): Likewise.
1013 2016-06-14 Jakub Jelinek <jakub@redhat.com>
1016 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
1017 olddecl vars, preserve their TREE_READONLY bit.
1020 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
1022 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1024 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
1026 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
1028 * decl.c (grokdeclarator): Fix typo in pedwarn text.
1030 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
1033 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
1036 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
1040 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1043 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1044 emits an error do not zero the type.
1046 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1048 * decl.c (maybe_deduce_size_from_array_init): Use
1049 DECL_SOURCE_LOCATION in error_at.
1050 (layout_var_decl): Likewise.
1051 (check_array_initializer): Likewise.
1052 (check_initializer): Likewise.
1053 (duplicate_decls, check_elaborated_type_specifier): Tidy.
1055 2016-06-08 Martin Sebor <msebor@redhat.com>
1056 Jakub Jelinek <jakub@redhat.com>
1060 * constexpr.c: Include gimple-fold.h.
1061 (cxx_eval_internal_function): New function.
1062 (cxx_eval_call_expression): Call it.
1063 (potential_constant_expression_1): Handle integer arithmetic
1065 * tree.c (builtin_valid_in_constant_expr_p): Handle
1066 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1068 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1070 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
1071 return value of tsubst_aggr_type for error_mark_node.
1073 2016-06-08 Jakub Jelinek <jakub@redhat.com>
1076 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
1078 2016-06-06 Jakub Jelinek <jakub@redhat.com>
1079 Patrick Palka <ppalka@gcc.gnu.org>
1084 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
1085 right after cp_fold call if cp_fold has returned the same stmt
1086 already in some earlier cp_fold_r call.
1087 (cp_fold_function): Add pset automatic variable, pass its address
1090 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1093 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1094 emits an error do not zero the type.
1096 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
1099 * decl.c (duplicate_decls): Properly copy the
1100 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
1101 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
1103 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
1105 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
1106 arguments as addressable when async clause exists.
1108 2016-06-02 Jan Hubicka <jh@suse.cz>
1110 * cp-gimplify.c (genericize_continue_stmt): Force addition of
1113 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
1115 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
1116 (start_enum): Likewise.
1117 * parser.c (cp_parser_class_head): Likewise.
1119 2016-06-02 Jakub Jelinek <jakub@redhat.com>
1122 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
1123 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
1124 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
1125 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
1126 to the newly built tree.
1128 2016-05-31 Jason Merrill <jason@redhat.com>
1130 * pt.c (instantiate_decl): Avoid recalculation.
1135 * pt.c (instantiate_template_1): Don't put the partial
1136 specialization in DECL_TI_TEMPLATE.
1137 (partial_specialization_p, impartial_args): Remove.
1138 (regenerate_decl_from_template): Add args parm.
1139 (instantiate_decl): Look up the partial specialization again.
1142 * pt.c (check_explicit_specialization): Give better diagnostic about
1143 specializing a hidden friend.
1145 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
1148 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
1149 to obtain correct locations; avoid redundant diagnostics on
1150 out-of-class definitions.
1152 2016-05-30 Martin Sebor <msebor@redhat.com>
1155 * init.c (warn_placement_new_too_small): Handle placement new arguments
1156 that are elements of arrays more carefully. Remove a pointless loop.
1158 2016-05-30 Jakub Jelinek <jakub@redhat.com>
1161 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
1162 when combined with target construct.
1163 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
1164 to cp_parser_omp_all_clauses.
1166 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
1169 * lex.c (unqualified_name_lookup_error): Take a location too.
1170 (unqualified_fn_lookup_error): Take a cp_expr.
1171 * cp-tree.h (unqualified_name_lookup_error,
1172 unqualified_fn_lookup_error): Adjust declarations.
1173 * semantics.c (perform_koenig_lookup): Adjust
1174 unqualified_fn_lookup_error call, pass the location of
1175 the identifier too as part of a cp_expr.
1177 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
1180 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
1181 to improve the diagnostic about wrong uses of 'virtual'.
1183 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
1186 * lambda.c (maybe_add_lambda_conv_op): Early return also when
1187 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
1189 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
1193 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
1194 decls into the global scope after stripping template bits
1195 and setting DECL_ANTICIPATED.
1197 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
1200 * name-lookup.c (push_namespace): Return bool, false when pushdecl
1202 * name-lookup.h (push_namespace): Adjust declaration.
1203 * parser.c (cp_parser_namespace_definition): Check push_namespace
1206 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
1209 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
1210 decls into the global scope after stripping template bits
1211 and setting DECL_ANTICIPATED.
1213 2016-05-26 Jakub Jelinek <jakub@redhat.com>
1215 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
1216 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
1218 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
1222 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
1224 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
1225 on the qualified_id then propagate it to the resulting
1227 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
1229 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
1230 its REF_PARENTHESIZED_P flag.
1232 2016-05-25 Jason Merrill <jason@redhat.com>
1236 * cp-tree.h (enum tag_types): Add scope_type.
1237 * parser.c (cp_parser_class_name): Use scope_type.
1238 (prefer_type_arg): Handle scope_type.
1239 (cp_parser_lookup_name): Use prefer_type_arg.
1240 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
1241 int prefer_type, use lookup_flags.
1242 * name-lookup.h: Adjust.
1244 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
1246 * parser.c (cp_parser_oacc_declare): Add support for
1247 GOMP_MAP_FIRSTPRIVATE_POINTER.
1248 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
1249 argument with enum c_omp_region_type ort. Don't privatize OpenACC
1251 (handle_omp_array_sections): Replace bool is_omp argument with enum
1252 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
1253 (finish_omp_clauses): Add specific errors and warning messages for
1254 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
1255 call to handle_omp_array_sections.
1257 2016-05-24 Jason Merrill <jason@redhat.com>
1260 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
1262 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
1264 2016-05-24 Martin Sebor <msebor@redhat.com>
1267 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
1268 * pt.c (instantiate_class_template_1): Try to complete the element
1269 type of a flexible array member.
1270 (can_complete_type_without_circularity): Handle arrays of unknown bound.
1271 * typeck.c (complete_type): Also complete the type of the elements of
1272 arrays with an unspecified bound.
1274 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1277 * typeck2.c (check_narrowing): Check pedwarn return value.
1279 2016-05-24 Jakub Jelinek <jakub@redhat.com>
1282 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
1283 For OMP_CLAUSE_LINEAR_REF don't require type to be
1284 integral or pointer.
1286 2016-05-24 Richard Biener <rguenther@suse.de>
1290 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
1291 * constexpr.c (cxx_eval_array_reference): Handle indexed
1293 * typeck.c (cp_build_array_ref): Adjust.
1295 2016-05-23 Jason Merrill <jason@redhat.com>
1298 * constexpr.c (cxx_eval_call_expression): Check for
1299 fun == current_function_decl again.
1302 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
1303 maybe_undo_parenthesized_ref.
1306 * pt.c (tsubst_copy): Just return a local variable from
1307 non-template context. Don't call rest_of_decl_compilation for
1308 duplicated static locals.
1309 (tsubst_decl): Set DECL_CONTEXT of local static from another
1312 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1315 * method.c (forward_parm): Use cp_build_reference_type.
1317 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1320 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
1322 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
1324 * pt.c (check_for_bare_parameter_packs): Improve error message
1325 location for expressions.
1327 2016-05-20 Nathan Sidwell <nathan@acm.org>
1329 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
1331 (cxx_eval_call_expression): Fix comment grammar.
1333 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
1336 * decl.c (cp_finish_decl): Check do_auto_deduction return value
1337 and return immediately in case of erroneous code.
1339 2016-05-19 Marek Polacek <polacek@redhat.com>
1342 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
1344 2016-05-19 Jason Merrill <jason@redhat.com>
1347 * pt.c (fn_type_unification): Add outer template args if needed.
1348 (type_unification_real): Handle getting full args.
1350 2016-05-19 David Malcolm <dmalcolm@redhat.com>
1353 * parser.c (cp_parser_operator): For array new/delete, check that
1354 cp_parser_require returned a non-NULL token before dereferencing
1357 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1359 * decl.c (finish_enum_value_list): Use the specified mode.
1361 2016-05-18 Jason Merrill <jason@redhat.com>
1363 * pt.c (value_dependent_expression_p): Tweak new cases to better
1364 match the wording in the standard.
1366 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1369 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
1370 when the previous cp_lexer_peek_token returns CPP_EOF.
1372 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
1375 * call.c (convert_like_real): Check that we are actually converting
1378 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
1380 * decl.c (grokdeclarator): Remove errmsg and use of
1381 targetm.invalid_return_type.
1382 (grokparms): Remove errmsg and use of
1383 targetm.invalid_parameter_type.
1385 2016-05-13 Jason Merrill <jason@redhat.com>
1389 * pt.c (tsubst_decl): Use uses_template_parms.
1390 (instantiate_template_1): Handle non-dependent calls in templates.
1391 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
1392 (type_dependent_expression_p): Only consider innermost template args.
1393 (dependent_template_arg_p): Check enclosing class of a template here.
1394 (dependent_template_p): Not here.
1395 (type_dependent_object_expression_p): New.
1396 * typeck.c (finish_class_member_access_expr): Use it.
1397 * parser.c (cp_parser_postfix_expression): Use it.
1398 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
1399 to detect the current instantiation.
1400 (cp_parser_lookup_name): Really implement DR 141.
1401 * search.c (lookup_field_r): Prefer a dependent using-declaration.
1402 (any_dependent_bases_p): Split out from...
1403 * name-lookup.c (do_class_using_decl): ...here.
1404 * call.c (build_new_method_call_1): Use it.
1405 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
1406 * tree.c (non_static_member_function_p): Remove.
1407 * typeck2.c (build_x_arrow): Use dependent_scope_p.
1409 * parser.c (cp_parser_postfix_dot_deref_expression): Use
1410 complete_type_or_else for unknown_type_node, too.
1412 2016-05-12 Marek Polacek <polacek@redhat.com>
1415 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
1416 * cp-tree.h (cp_build_modify_expr): Update declaration.
1417 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
1419 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
1420 cp_build_modify_expr.
1421 * decl2.c (set_guard): Likewise.
1422 (handle_tls_init): Likewise.
1423 * init.c (perform_member_init): Likewise.
1424 (expand_virtual_init): Likewise.
1425 (build_new_1): Likewise.
1426 (build_vec_delete_1): Likewise.
1427 (get_temp_regvar): Likewise.
1428 (build_vec_init): Likewise.
1429 * method.c (do_build_copy_assign): Likewise.
1430 (assignable_expr): Likewise.
1431 * semantics.c (finish_omp_for): Likewise.
1432 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
1434 (cp_pointer_int_sum): Add location parameter. Pass it down to
1436 (pointer_diff): Add location parameter. Use it.
1437 (build_modify_expr): Pass location down to cp_build_modify_expr.
1438 (cp_build_modify_expr): Add location parameter. Use it.
1439 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
1440 * typeck2.c (cxx_incomplete_type_diagnostic,
1441 cxx_incomplete_type_error): Add location parameter.
1443 2016-05-11 Marek Polacek <polacek@redhat.com>
1446 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
1448 2016-05-05 Jakub Jelinek <jakub@redhat.com>
1450 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
1451 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
1453 2016-05-04 Marek Polacek <polacek@redhat.com>
1455 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
1456 with OPT_Wdangling_else.
1458 2016-05-03 Martin Sebor <msebor@redhat.com>
1461 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
1462 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
1464 2016-05-03 Marek Polacek <polacek@redhat.com>
1467 * call.c (build_cxx_call): Pass location and vNULL down to
1468 check_builtin_function_arguments.
1470 2016-05-03 Richard Biener <rguenther@suse.de>
1472 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
1473 the checksum from the previous stage.
1475 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1478 * typeck.c (finish_class_member_access_expr): When
1479 giving a hint about a possibly-misspelled member name,
1480 add a fix-it replacement hint.
1482 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
1484 * cp-tree.h (finish_omp_clauses): Update prototype.
1485 * parser.c (cp_parser_oacc_all_clauses): Update call to
1487 (cp_parser_omp_all_clauses): Likewise.
1488 (cp_parser_omp_for_loop): Likewise.
1489 (cp_omp_split_clauses): Likewise.
1490 (cp_parser_oacc_cache): Likewise.
1491 (cp_parser_oacc_loop): Likewise.
1492 (cp_parser_omp_declare_target):
1493 (cp_parser_cilk_simd_all_clauses): Likewise.
1494 (cp_parser_cilk_for): Likewise.
1495 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
1496 arguments with enum c_omp_region_type ort.
1497 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
1498 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
1499 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
1500 (tsubst_expr): Update calls to tsubst_omp_clauses.
1501 * semantics.c (finish_omp_clauses): Replace bool arguments
1502 allow_fields, declare_simd, and is_cilk with bitmask ort.
1503 (finish_omp_for): Update call to finish_omp_clauses.
1505 2016-05-02 David Malcolm <dmalcolm@redhat.com>
1508 * parser.c (cp_parser_class_head): Capture the start location;
1509 use it to emit a fix-it insertion hint when complaining
1510 about missing "template <> " in explicit specializations.
1512 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
1514 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
1516 2016-05-02 Richard Biener <rguenther@suse.de>
1518 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
1521 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
1524 * class.c (check_field_decl): Remove final int* parameter, change
1525 the return type to bool; fix logic in order not to reject multiple
1526 initialized fields in anonymous struct.
1527 (check_field_decls): Adjust call.
1529 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
1532 * parser.c (cp_parser_oacc_loop): Don't augment mask with
1533 OACC_LOOP_CLAUSE_MASK.
1534 (cp_parser_oacc_kernels_parallel): Update call to
1535 c_oacc_split_loop_clauses.
1537 2016-04-28 Jason Merrill <jason@redhat.com>
1539 Implement C++17 [[nodiscard]] attribute.
1542 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
1543 * tree.c (handle_nodiscard_attribute): New.
1544 (cxx_attribute_table): Add [[nodiscard]].
1545 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
1546 (maybe_warn_nodiscard): New.
1547 (convert_to_void): Call it.
1549 * cvt.c (cp_get_callee): New.
1550 * constexpr.c (get_function_named_in_call): Use it.
1551 * cxx-pretty-print.c (postfix_expression): Use it.
1552 * except.c (check_noexcept_r): Use it.
1553 * method.c (check_nontriv): Use it.
1554 * tree.c (build_aggr_init_expr): Use it.
1555 * cp-tree.h: Declare it.
1557 2015-04-27 Ryan Burn <contact@rnburn.com>
1558 Jeff Law <law@redhat.com>
1562 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
1563 instead of cilk_detect_spawn_and_unwrap.
1564 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
1566 (cilk_cp_detect_spawn_and_unwrap): New.
1567 * lambda.c: Include cp-cilkplus.h.
1568 * parser.c: Include cp-cilkplus.h.
1569 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
1570 * cp-cilkpus.h: New file.
1572 2016-04-27 Nathan Sidwell <nathan@acm.org>
1574 * constexpr.c (get_fundef_copy): Use the original function for
1575 non-recursive evaluations.
1576 (save_fundef_copy): Always expect a slot to be available.
1578 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
1580 * parser.c (cp_parser_postfix_expression): Call
1581 warn_for_memset instead of warning directly here.
1583 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
1586 * decl.c (build_enumerator): Set current_access_specifier when
1587 declaring an enumerator belonging to an in-class enumeration.
1588 * parser.c (cp_parser_check_access_in_redecleration): Also
1589 consider in-class enumerations.
1591 2016-04-26 Marek Polacek <polacek@redhat.com>
1594 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
1595 instead of stabilize_reference.
1596 (build_over_call): Likewise.
1597 * cp-tree.h (cp_stabilize_reference): Declare.
1598 * tree.c (cp_stabilize_reference): New function.
1599 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
1600 stabilize_reference.
1601 (unary_complex_lvalue): Likewise.
1602 (cp_build_modify_expr): Likewise.
1604 2016-04-26 Jakub Jelinek <jakub@redhat.com>
1607 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
1610 2016-04-25 Jason Merrill <jason@redhat.com>
1612 * tree.c (std_attribute_table): New.
1613 (init_tree): Register it.
1615 2016-04-22 Jason Merrill <jason@redhat.com>
1617 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
1619 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
1621 * name-lookup.c (free_saved_scope): New free list of saved_scope
1623 (push_to_top_level): Attempt to reuse a saved_scope struct
1624 from free_saved_scope instead of allocating a new one each time.
1625 (pop_from_top_level_1): Chain the now-unused saved_scope structure
1626 onto free_saved_scope.
1628 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
1631 * semantics.c (process_outer_var_ref): Unconditionally return
1632 error_mark_node when mark_used returns false.
1634 2016-04-21 Marek Polacek <polacek@redhat.com>
1637 * parser.c (cp_parser_enum_specifier): Check and possibly error for
1638 extra qualification.
1640 2016-04-20 Nathan Sidwell <nathan@acm.org>
1643 * init.c (build_vec_delete_1): Protect operator delete call in try
1645 (build_delete): Likewise.
1646 * optimize.c (build_delete_destructor_body): Likewise.
1648 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
1651 * cp-tree.h (finish_omp_clauses): Add new default argument.
1652 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
1653 instead of c_finish_cilk_clauses.
1654 * semantics.c (finish_omp_clauses): Add new argument. Allow
1655 floating-point variables in the linear clause for Cilk Plus.
1657 2016-04-20 Nathan Sidwell <nathan@acm.org>
1659 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
1662 2016-04-19 Jason Merrill <jason@redhat.com>
1665 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
1666 * pt.c (make_pack_expansion): Call mark_exp_read.
1667 * semantics.c (finish_id_expression): Call mark_type_use in
1668 unevaluated context.
1671 * call.c (implicit_conversion): If we choose a copy constructor
1672 for list-initialization from the same type, the conversion is an
1675 * constexpr.c (breaks): Handle EXIT_EXPR.
1676 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
1677 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
1682 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
1685 * pt.c (tsubst_expr): Remove shadowing declaration.
1686 (tsubst_pack_expansion): Add assert.
1688 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
1691 * name-lookup.c (qualified_lookup_using_namespace): Look through
1694 2016-04-18 Michael Matz <matz@suse.de>
1696 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
1697 (layout_class_type): Ditto.
1698 (build_base_field): Use SET_DECL_ALIGN.
1699 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
1700 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
1701 (record_unknown_type): Use SET_TYPE_ALIGN.
1702 (cxx_init_decl_processing): Ditto.
1703 (copy_type_enum): Ditto.
1704 (grokfndecl): Use SET_DECL_ALIGN.
1705 (copy_type_enum): Use SET_TYPE_ALIGN.
1706 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
1708 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
1709 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
1710 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
1711 * rtti.c (emit_tinfo_decl): Ditto.
1713 2016-04-18 Jason Merrill <jason@redhat.com>
1717 * class.c (type_maybe_constexpr_default_constructor): New.
1718 (type_has_constexpr_default_constructor): Revert.
1720 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
1724 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
1725 (handle_com_interface_attribute): Delete.
1727 2016-04-15 Jason Merrill <jason@redhat.com>
1730 * constexpr.c (get_fundef_copy): Handle null *slot.
1733 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
1734 unknown_type_node, too.
1736 2016-04-15 Jason Merrill <jason@redhat.com>
1737 Nathan Sidwell <nathan@acm.org>
1740 * constexpr.c (constexpr_call_table): Preserve in GC.
1741 (struct fundef_copy, struct fundef_copies_table_t): Delete.
1742 (fundef_copies_table): Preserve in GC. Change to pointer to
1744 (maybe_initialize_fundef_copies_table): Adjust.
1745 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
1746 (save_fundef_copy): Adjust for a TREE_LIST.
1747 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
1748 (fini_constexpr): New.
1749 * cp-tree.h (fini_constexpr): Declare.
1750 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
1752 2016-04-15 Jakub Jelinek <jakub@redhat.com>
1755 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
1757 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
1758 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
1759 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
1760 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
1761 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
1762 cp_parser_statement.
1763 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
1764 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
1765 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
1766 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
1767 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
1768 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
1769 cp_parser_omp_taskloop, cp_parser_omp_construct,
1770 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
1771 Add IF_P argument, pass it down where needed.
1772 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
1773 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
1776 2016-04-14 Jason Merrill <jason@redhat.com>
1779 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
1780 * typeck2.c (split_nonconstant_init_1): Use it.
1783 * class.c (type_has_constexpr_default_constructor): Return true
1784 for an implicitly declared constructor.
1787 * parser.c (cp_parser_init_declarator): Add auto_result parm.
1788 (cp_parser_simple_declaration): Pass it.
1789 (strip_declarator_types): New.
1792 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
1793 initializer also makes the variable value-dependent.
1796 * constexpr.c (cxx_eval_store_expression): Also copy
1797 CONSTRUCTOR_NO_IMPLICIT_ZERO.
1799 2016-04-14 Martin Sebor <msebor@redhat.com>
1804 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
1806 2016-04-14 Jason Merrill <jason@redhat.com>
1808 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
1809 parameter ABI change.
1811 2016-04-13 Martin Sebor <msebor@redhat.com>
1816 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
1818 * decl.c (check_initializer, cp_finish_decl): Call them.
1819 (reshape_init_r): Reject incompletely braced intializer-lists
1821 * init.c (throw_bad_array_length, build_vla_check)
1822 (build_vla_size_check, build_vla_init_check): Define new functions.
1823 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
1825 (store_init_value): Same.
1827 2016-04-13 Jason Merrill <jason@redhat.com>
1829 Warn about empty parameter ABI with -Wabi=9.
1830 * call.c (empty_class_msg, mark_for_abi_warning)
1831 (warn_empty_class_abi): New.
1832 (build_call_a): Use them.
1833 * decl.c (store_parm_decls): Use mark_for_abi_warning.
1834 * error.c (pp_format_to_string): New.
1836 Pass empty class parameters like C.
1837 * call.c (pass_as_empty_struct, empty_class_arg): New.
1838 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
1839 (build_call_a): Use empty_class_arg.
1840 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
1841 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
1843 2016-04-13 Jason Merrill <jason@redhat.com>
1846 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
1848 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
1851 * pt.c (resolve_typename_type): Fix typos in infinite recursion
1852 avoidance mechanism.
1854 2016-04-13 Jason Merrill <jason@redhat.com>
1857 * pt.c (instantiation_dependent_uneval_expression_p): Split out
1858 from instantiation_dependent_expression_p.
1859 (value_dependent_expression_p): Use it for unevaluated operands.
1860 (instantiation_dependent_r): Don't check value-dependence.
1861 (instantiation_dependent_expression_p): Check
1862 value-dependence of the expression as a whole.
1863 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
1864 * semantics.c (finish_decltype_type): Use it.
1866 * constexpr.c (potential_nondependent_constant_expression): New.
1867 (potential_nondependent_static_init_expression): New.
1868 (maybe_constant_value_1, fold_non_dependent_expr)
1869 (maybe_constant_init): Use them.
1870 * pt.c (instantiate_non_dependent_expr_sfinae)
1871 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
1873 * cp-tree.h: Declare them.
1875 2016-04-13 Jakub Jelinek <jakub@redhat.com>
1878 * decl.c (pop_labels_1): Removed.
1879 (note_label, sort_labels): New functions.
1880 (pop_labels): During named_labels traversal, just push the slot
1881 pointers into a vector, then qsort it by DECL_UID and only then
1882 call pop_label and chain it into BLOCK_VARS.
1884 2016-04-13 Jason Merrill <jason@redhat.com>
1887 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
1888 (cp_gimplify_expr): Not here.
1890 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
1893 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
1895 * typeck.c (build_x_conditional_expr): Unconditionally remember
1896 that the result is an lvalue or xvalue.
1898 2016-04-12 Jason Merrill <jason@redhat.com>
1900 * class.c (is_really_empty_class): A zero-length array is empty.
1901 An unnamed bit-field doesn't make a class non-empty.
1903 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
1906 * parser.c (cp_parser_cache_defarg): When file ends in default
1907 argument simply return error_mark_node.
1909 2016-04-12 Nathan Sidwell <nathan@acm.org>
1912 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
1915 2016-04-11 Jason Merrill <jason@redhat.com>
1917 * mangle.c (decl_is_template_id): The template itself counts as a
1920 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
1924 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
1925 on the result if it's not a CONSTRUCTOR.
1927 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
1930 * constexpr.c (find_constructor): New function.
1931 (unshare_constructor): New function.
1932 (cxx_eval_call_expression): Use unshare_constructor instead of
1934 (find_array_ctor_elt): Likewise.
1935 (cxx_eval_vec_init_1): Likewise.
1936 (cxx_eval_store_expression): Likewise.
1937 (cxx_eval_constant_expression): Likewise.
1939 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
1942 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
1943 potentially generating a future -Wparentheses warning in its
1946 2016-04-06 Jason Merrill <jason@redhat.com>
1948 * class.c (check_abi_tags): Fix function template handling.
1950 2016-04-05 Nathan Sidwell <nathan@acm.org>
1953 * class.c (fixup_may_alias): New.
1954 (fixup_attribute_variants): Call it.
1956 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1959 * constexpr.c (struct fundef_copy): New struct.
1960 (struct fundef_copies_table_t): New struct.
1961 (fundef_copies_table): New static variable.
1962 (maybe_initialize_fundef_copies_table): New static function.
1963 (get_fundef_copy): New static function.
1964 (save_fundef_copy): New static function.
1965 (cxx_eval_call_expression): Use get_fundef_copy, and
1967 (constexpr_call_table): Add "deletable" GTY marker.
1969 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
1972 * cp-tree.h (class cache_map): Remove.
1973 * constexpr.c (cv_cache): Change type to
1974 GTY((deletable)) hash_map<tree, tree> *.
1975 (maybe_constant_value): Adjust following the change to cv_cache.
1976 (clear_cv_cache): New static function.
1977 (clear_cv_and_fold_caches): Use it.
1978 * cp-gimplify.c (fold_cache): Change type to
1979 GTY((deletable)) hash_map<tree, tree> *.
1980 (clear_fold_cache): Adjust following the change to fold_cache.
1981 (cp_fold): Likewise.
1983 2016-04-02 Martin Sebor <msebor@redhat.com>
1989 * constexpr.c (diag_array_subscript): New function.
1990 (cxx_eval_array_reference): Detect out of bounds array indices.
1992 2016-04-01 Jason Merrill <jason@redhat.com>
1996 * pt.c (instantiate_decl): A function isn't fully defined if
1997 DECL_INITIAL is error_mark_node.
1998 * constexpr.c (cxx_eval_call_expression): Likewise.
2000 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2001 Marek Polacek <polacek@redhat.com>
2004 * init.c (warn_placement_new_too_small): Test whether
2005 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2007 2016-04-01 Nathan Sidwell <nathan@acm.org>
2010 * decl.c (check_redeclaration_exception_specification): Check
2011 regardless of -fno-exceptions.
2012 * typeck2.c (merge_exception_specifiers): Relax assert by checking
2013 flag_exceptions too.
2015 2016-03-31 Nathan Sidwell <nathan@acm.org>
2017 * decl.c (start_preparsed_function): Remove unnecessary bracing.
2018 (finish_destructor_body): Don't emit operator delete here.
2020 2016-03-31 Nathan Sidwell <nathan@acm.org>
2023 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
2024 elements in field order.
2026 2016-03-31 Marek Polacek <polacek@redhat.com>
2029 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2031 2016-03-31 Richard Biener <rguenther@suse.de>
2034 * typeck.c (cp_build_binary_op): Fix operand order of vector
2035 conditional in truth op handling.
2037 2016-03-29 Jason Merrill <jason@redhat.com>
2040 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
2041 in constexpr functions.
2043 2016-03-28 Jason Merrill <jason@redhat.com>
2048 * decl.c, pt.c, constexpr.c: Revert last patch.
2050 2016-03-25 Jason Merrill <jason@redhat.com>
2051 Martin Liška <mliska@suse.cz>
2056 * decl.c (cp_fname_init): Decay the initializer to pointer.
2057 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
2058 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2059 Don't call cp_finish_decl.
2060 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
2061 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
2062 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2063 Handle DECL_VALUE_EXPR.
2065 2016-03-24 Jason Merrill <jason@redhat.com>
2068 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
2071 * constexpr.c (cxx_eval_call_expression): Don't cache result if
2074 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
2077 * tree.c (build_cplus_array_type): Determine type-dependentess
2078 with uses_template_parms instead of with dependent_type_p.
2080 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
2083 * typeck.c (process_init_constructor_union): If the initializer
2084 is empty, use the union's NSDMI if it has one.
2086 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
2089 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
2090 NSDMI that's part of an aggregrate initialization.
2092 2016-03-23 Jakub Jelinek <jakub@redhat.com>
2095 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
2096 for 1..max even for multi-dimensional arrays. Call unshare_expr
2100 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
2101 on TREE_OVERFLOW constants.
2104 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
2105 for OMP_TASKLOOP here.
2106 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
2107 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
2109 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
2110 Jason Merrill <jason@redhat.com>
2111 Jakub Jelinek <jakub@redhat.com>
2114 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
2115 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
2116 (finish_function): Don't set or test them.
2117 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
2119 2016-03-23 Jason Merrill <jason@redhat.com>
2122 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
2124 2016-03-23 Marek Polacek <polacek@redhat.com>
2127 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
2129 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
2131 * call.c (build_conditional_expr_1): Always use original
2132 condition type for vector type checks and build.
2134 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
2137 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
2139 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
2142 * constexpr.c (non_const_var_error): Check
2143 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2145 2016-03-21 Richard Henderson <rth@redhat.com>
2148 * decl.c (notice_forced_label_r): New.
2149 (cp_finish_decl): Use it.
2151 2016-03-21 Jason Merrill <jason@redhat.com>
2154 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
2156 2016-03-18 Jason Merrill <jason@redhat.com>
2159 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
2162 * class.c (vptr_via_virtual_p): New.
2163 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
2164 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
2165 a vptr from any virtual base in a not-in-charge 'structor.
2167 * decl.c (build_clobber_this): Factor out of
2168 start_preparsed_function and begin_destructor_body. Handle
2169 virtual bases better.
2171 * class.c (build_if_in_charge): Split out from build_base_path.
2172 * init.c (expand_virtual_init, expand_default_init): Use it.
2173 * call.c (build_special_member_call): Use it.
2175 2016-03-18 Jakub Jelinek <jakub@redhat.com>
2178 * init.c (build_new_1): Complain and return error_mark_node
2179 if alloc_fn is not _Jv_AllocObject function returning pointer.
2181 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
2184 * search.c (adjust_result_of_qualified_name_lookup): Don't
2185 update the BASELINK_BINFO of DECL if the second call
2186 to lookup_base fails.
2188 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
2191 * parser.c (cp_parser_lambda_expression): Move call to
2192 pop_deferring_access_checks ahead of the call to
2193 cp_parser_end_tentative_firewall.
2195 2016-03-17 Jakub Jelinek <jakub@redhat.com>
2198 * cp-tree.h (magic_varargs_p): Return int instead of bool.
2199 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
2200 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
2202 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
2203 if magic_varargs_p == 1, call decay_conversion
2204 instead of mark_type_use. Don't store error_mark_node arguments to
2205 argarray, instead return error_mark_node.
2208 * decl.c (begin_destructor_body): Don't insert clobber if
2209 is_empty_class (current_class_type).
2211 2016-03-17 Marek Polacek <polacek@redhat.com>
2214 * typeck.c (warn_for_null_address): New function.
2215 (cp_build_binary_op): Call it.
2217 2016-03-16 Jason Merrill <jason@redhat.com>
2220 * decl.c (start_preparsed_function): Don't clobber an empty base.
2222 2016-03-16 Jakub Jelinek <jakub@redhat.com>
2225 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
2226 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
2229 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
2230 set in_base_initializer.
2232 2016-03-15 Marek Polacek <polacek@redhat.com>
2235 * tree.c (strip_typedefs): Call strip_typedefs again on the
2236 DECL_ORIGINAL_TYPE result.
2238 2016-03-15 Jason Merrill <jason@redhat.com>
2241 * pt.c (instantiate_decl): Fix call to variable_template_p.
2244 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
2246 2016-03-14 Casey Carter <casey@carter.net>
2247 Jason Merrill <jason@redhat.com>
2249 P0184R0: Generalizing the Range-Based For Loop
2250 * parser.c (cp_convert_range_for): Set the type of __end separately.
2251 (cp_parser_perform_range_for_lookup): Allow different begin/end
2252 types if they are comparable.
2254 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
2257 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
2258 processing_template_decl and EXPR is a SCOPE_REF.
2260 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
2261 Jakub Jelinek <jakub@redhat.com>
2264 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
2265 return value from cxx_eval_constant_expression from earlier
2266 elements if it is valid constant initializer requiring no
2269 2016-03-10 Marek Polacek <polacek@redhat.com>
2272 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
2274 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
2276 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
2277 when calling c_finish_omp_clauses.
2279 2016-03-08 Jason Merrill <jason@redhat.com>
2281 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
2282 diagnostic for use of "concept".
2283 (cp_parser_requires_clause_opt): And "requires".
2284 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
2285 (cp_parser_explicit_template_declaration): Adjust.
2286 * Make-lang.in (check-c++-all): Add "concepts" to std list.
2288 P0036R0: Unary Folds and Empty Parameter Packs
2289 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
2291 2016-03-08 Jakub Jelinek <jakub@redhat.com>
2294 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
2295 even after the last iteration of the loop.
2297 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
2299 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
2302 * pt.c (get_template_info): Handle PARM_DECL.
2303 (template_class_depth): Check DECL_P instead of
2304 VAR_OR_FUNCTION_DECL_P.
2306 2016-03-05 Jason Merrill <jason@redhat.com>
2309 * constexpr.c (cxx_eval_store_expression): Replace
2310 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
2312 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
2315 * pt.c (template_class_depth): Given a lambda type, iterate
2316 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
2317 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
2320 2016-03-04 Jason Merrill <jason@redhat.com>
2323 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
2324 * init.c (build_vec_delete_1): Set it.
2325 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
2327 2016-03-04 Jakub Jelinek <jakub@redhat.com>
2329 * decl.c (start_preparsed_function): Don't emit start clobber at the
2330 start of constructor clones.
2333 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
2334 * decl.c (start_preparsed_function): Call
2335 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
2336 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
2337 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
2339 2016-03-04 Jason Merrill <jason@redhat.com>
2342 * constexpr.c (cxx_eval_component_reference): Further tweak.
2344 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
2345 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
2346 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
2347 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
2350 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
2353 2016-03-03 Jason Merrill <jason@redhat.com>
2355 * method.c (synthesized_method_walk): operator= can also be constexpr.
2357 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
2358 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
2361 * pt.c (copy_template_args): New.
2362 (tsubst_pack_expansion): Use it.
2364 * call.c (build_aggr_conv): Use get_nsdmi.
2367 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
2370 * constexpr.c (cxx_eval_component_reference): Just return an empty
2371 CONSTRUCTOR for an empty class.
2373 2016-03-01 Jason Merrill <jason@redhat.com>
2376 * parser.c (cp_parser_requires_clause): Call
2377 check_for_bare_parameter_packs.
2380 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
2384 * constexpr.c (cxx_eval_call_expression): Unshare arg.
2385 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
2386 [TARGET_EXPR]: Unshare init.
2388 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
2392 * pt.c (tsubst_baselink): Reinstate the check for an invalid
2395 2016-02-28 Jason Merrill <jason@redhat.com>
2398 * constexpr.c (cxx_eval_store_expression): Unshare init.
2400 2016-02-26 Jason Merrill <jason@redhat.com>
2403 * pt.c (make_argument_pack): New.
2404 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
2405 (tsubst_copy_and_build): Likewise.
2407 2016-02-25 Jason Merrill <jason@redhat.com>
2410 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
2411 * tree.c (build_aggr_init_expr): Set it.
2412 * semantics.c (simplify_aggr_init_expr): Check it.
2413 * cp-gimplify.c (cp_genericize_r): Don't walk into
2414 a call/aggr_init from a thunk.
2417 * method.c (forward_parm): Handle parameter packs.
2418 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
2421 * constexpr.c (cxx_eval_component_reference): Don't complain about
2422 unevaluated empty classes.
2425 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
2427 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
2430 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
2431 (maybe_undo_parenthesized_ref): Declare.
2432 * semantics.c (maybe_undo_parenthesized_ref): Split out from
2434 (finish_call_expr): Use it.
2435 * typeck.c (check_return_expr): Use it.
2436 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
2437 REF_PARENTHESIZED_P flag.
2439 2016-02-24 Jakub Jelinek <jakub@redhat.com>
2442 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
2444 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
2446 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
2447 unless they are folded into INTEGER_CST, error_mark_node or some
2448 comparison with NULL, avoid folding them and use either the original
2449 comparison or non-folded comparison of folded arguments.
2450 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
2451 comparison, don't fold the comparison right away.
2453 2016-02-24 Jason Merrill <jason@redhat.com>
2456 * friend.c (make_friend_class): Likewise.
2457 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
2459 2016-02-24 Jason Merrill <jason@redhat.com>
2462 * pt.c (instantiate_class_template_1): Set
2463 processing_template_decl before substituting friend_type.
2465 016-02-24 Martin Sebor <msebor@redhat.com>
2468 * tree.c (build_ctor_subob_ref): Compare types' main variants
2469 instead of the types as they are.
2471 2016-02-24 Jason Merrill <jason@redhat.com>
2473 * decl.c (start_preparsed_function): Condition ctor clobber on
2474 flag_lifetime_dse > 1.
2476 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
2478 2016-02-19 Jason Merrill <jason@redhat.com>
2481 * call.c (remaining_arguments): No longer static.
2482 * cp-tree.h: Declare it.
2483 * pt.c (more_specialized_fn): Use it.
2485 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2486 Bernd Edlinger <bernd.edlinger@hotmail.de>
2488 * Make-lang.in: Invoke gperf with -L C++.
2489 * cfns.gperf: Remove prototypes for hash and libc_name_p
2491 * cfns.h: Regenerated.
2492 * except.c (nothrow_libfn_p): Adjust.
2494 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2497 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
2498 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
2500 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
2503 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
2505 * semantics.c (finish_call_expr): Don't assume a constructor
2506 call is dependent if only the "this" pointer is dependent. When
2507 building a constructor call, always use a dummy object.
2509 2016-02-19 Jakub Jelinek <jakub@redhat.com>
2512 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
2514 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
2515 operators if folding preserved the binop, just with different
2519 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
2520 attr_spec is always single element chain, chain all the attributes
2521 properly together in the right order.
2523 2016-02-18 Jason Merrill <jason@redhat.com>
2525 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
2527 (mangle_decl): Call maybe_check_abi_tags for function scope.
2528 (mangle_guard_variable): Call maybe_check_abi_tags here.
2529 (write_guarded_var_name): Not here.
2531 2016-02-17 Jason Merrill <jason@redhat.com>
2534 * constexpr.c (build_constexpr_constructor_member_initializers):
2535 Handle an additional STATEMENT_LIST.
2538 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
2541 * decl2.c (reset_type_linkage_2): Look through member templates.
2543 2016-02-17 Jakub Jelinek <jakub@redhat.com>
2546 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
2548 2016-02-17 Jason Merrill <jason@redhat.com>
2551 * method.c (forward_parm): Split out from...
2552 (add_one_base_init): ...here.
2553 * lambda.c (maybe_add_lambda_conv_op): Use it.
2555 2016-02-16 Jason Merrill <jason@redhat.com>
2559 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
2560 tree.c, typeck2.c: Revert earlier changes.
2561 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
2562 non-type templates after -> or .
2564 2016-02-16 Jakub Jelinek <jakub@redhat.com>
2567 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
2569 2016-02-16 Jason Merrill <jason@redhat.com>
2572 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
2573 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
2574 * name-lookup.h: Adjust.
2576 2016-02-16 James Norris <jnorris@codesourcery.com>
2578 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
2579 * semantics.c (finish_omp_clauses): Add deviceptr checking.
2581 2016-02-15 Jakub Jelinek <jakub@redhat.com>
2584 * init.c (expand_default_init): Only call reshape_init
2585 in the direct-initialization from an initializer list case.
2587 2016-02-15 Jason Merrill <jason@redhat.com>
2590 * semantics.c (finish_call_expr): Implicit 'this' does not make
2592 * search.c (any_dependent_bases_p): Split out...
2593 * name-lookup.c (do_class_using_decl): ...from here.
2594 * call.c (build_new_method_call_1): Don't complain about missing object
2595 if there are dependent bases. Tweak error.
2596 * tree.c (non_static_member_function_p): Remove.
2597 * pt.c (type_dependent_expression_p): A member template of a
2598 dependent type is dependent.
2599 * cp-tree.h: Adjust.
2602 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
2604 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
2607 * pt.c (lookup_and_finish_template_variable): New function,
2609 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
2610 (tsubst_qualified_id): Consider that EXPR might be a variable
2612 * typeck.c (check_template_keyword): Don't emit an error
2613 if DECL is a variable template.
2615 2016-02-12 Jakub Jelinek <jakub@redhat.com>
2617 * error.c: Spelling fixes - behaviour -> behavior and
2618 neighbour -> neighbor.
2620 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
2622 * init.c (build_delete): Likewise.
2624 2016-02-11 Jakub Jelinek <jakub@redhat.com>
2627 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
2628 arguments for -Waddress warning. Fix up formatting.
2630 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
2633 * pt.c (lookup_template_class_1): Check tsubst return value for
2636 2016-02-10 Jason Merrill <jason@redhat.com>
2639 * pt.c (resolve_nondeduced_context): Add complain parm.
2640 (do_auto_deduction): Pass it.
2641 * cvt.c (convert_to_void): Likewise.
2642 * decl.c (cp_finish_decl): Likewise.
2643 * init.c (build_new): Likewise.
2644 * rtti.c (get_tinfo_decl_dynamic): Likewise.
2645 * semantics.c (finish_decltype_type): Likewise.
2646 * typeck.c (decay_conversion): Likewise.
2647 * cp-tree.h: Adjust declaration.
2648 * call.c (standard_conversion): Add complain parm, pass it along.
2649 (implicit_conversion): Pass it.
2652 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
2653 (lookup_name_real_1): Likewise.
2654 (remove_hidden_names): Handle non-functions too.
2657 * parser.c (cp_parser_lookup_name): When looking for a template
2658 after . or ->, only consider class templates.
2659 (cp_parser_postfix_dot_deref_expression): Handle the current
2660 instantiation. Remember a dependent object expression.
2661 * typeck2.c (build_x_arrow): Handle the current instantiation.
2663 * ptree.c (debug_tree): Implement for cp_expr.
2665 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2668 * parser.c (cp_parser_simple_type_specifier): Make the check
2669 for disambiguating between an 'auto' placeholder and an implicit
2670 template parameter more robust.
2672 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
2676 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
2677 setting its TREE_USED flag.
2679 2016-02-08 Jason Merrill <jason@redhat.com>
2682 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
2685 2016-02-08 Jakub Jelinek <jakub@redhat.com>
2688 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
2689 of the DECL_OMP_DECLARE_REDUCTION_P decls.
2691 2016-02-08 Marek Polacek <polacek@redhat.com>
2694 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
2695 Call clear_fold_cache.
2696 * cp-tree.h: Adjust declaration.
2697 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
2698 rather than clear_cv_cache and clear_fold_cache.
2699 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
2701 2016-02-08 Jason Merrill <jason@redhat.com>
2703 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
2704 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
2705 (ocp_convert): Use *_maybe_fold.
2706 (cp_convert_to_pointer): Add dofold parameter.
2707 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
2709 2016-02-05 Martin Sebor <msebor@redhat.com>
2712 * init.c (find_field_init): New function.
2713 (warn_placement_new_too_small): Call it. Handle one-element arrays
2714 at ends of structures special.
2716 2016-02-05 Jason Merrill <jason@redhat.com>
2719 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
2720 make sure we've seen_error().
2722 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
2725 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
2726 if lookup_fnfields returns NULL_TREE and the name being looked
2727 up has the form A::A.
2729 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
2731 * constexpr.c (cxx_eval_binary_expression): Fold equality
2732 comparisons involving PTRMEM_CSTs.
2734 2016-02-04 Jakub Jelinek <jakub@redhat.com>
2736 * class.c (find_flexarrays): Don't declare dom variable.
2737 (diagnose_flexarray): Likewise.
2739 2016-02-02 Martain Sebor <msebor@redhat.com>
2746 * class.c (walk_subobject_offsets): Avoid testing the upper bound
2747 of a flexible array member for equality to null.
2748 (find_flexarrays): Remove spurious whitespace introduced in r231665.
2749 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
2750 (check_flexarrays): Same.
2751 * decl.c (compute_array_index_type): Avoid special case for flexible
2753 (grokdeclarator): Avoid calling compute_array_index_type for flexible
2755 * error.c (dump_type_suffix): Revert changes introduced in r231665
2756 and rendered unnecessary by the changes above.
2757 * pt.c (tsubst): Same.
2758 * tree.c (build_ctor_subob_ref): Handle flexible array members.
2759 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
2760 (process_init_constructor_array): Same.
2761 (process_init_constructor_record): Same.
2763 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
2766 * pt.c (try_one_overload): Handle comparing argument packs so
2767 that there is no conflict if we deduced more arguments of an
2768 argument pack than were explicitly specified.
2770 2016-01-31 Jakub Jelinek <jakub@redhat.com>
2771 Jason Merrill <jason@redhat.com>
2774 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
2775 function type if nothing is changing.
2777 2016-01-31 Jason Merrill <jason@redhat.com>
2780 * pt.c (partial_specialization_p, impartial_args): New.
2781 (instantiate_decl): Call impartial_args.
2783 * mangle.c (maybe_check_abi_tags): New.
2784 (write_guarded_var_name): Call it.
2785 (mangle_ref_init_variable): Call check_abi_tags.
2787 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
2788 between template and instantiation.
2790 2016-01-29 Jakub Jelinek <jakub@redhat.com>
2793 * decl.c (wrapup_globals_for_namespace): Warn about unused static
2794 function declarations.
2796 2016-01-29 Marek Polacek <polacek@redhat.com>
2800 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
2801 out of bound" error earlier.
2802 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
2805 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
2807 * name-lookup.c (begin_scope): After reusing a cp_binding_level
2808 structure, update free_binding_level before the structure's
2809 level_chain field gets cleared, not after.
2811 2016-01-28 Jason Merrill <jason@redhat.com>
2814 * search.c (dfs_walk_once, dfs_walk_once_r)
2815 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
2816 hash_set instead of BINFO_MARKED.
2817 (dfs_unmark_r): Remove.
2819 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
2822 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
2823 (cp_lexer_debugging_p): Use it.
2824 (cp_lexer_start_debugging): Likewise.
2825 (cp_lexer_stop_debugging): Likewise.
2827 2016-01-27 Marek Polacek <polacek@redhat.com>
2830 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
2831 needed. Add -Wsign-compare warning.
2833 2016-01-27 Ryan Burn <contact@rnburn.com>
2836 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
2837 superfluous post_p argument in call to
2838 cilk_gimplify_call_params_in_spawned_fn.
2840 2016-01-27 Marek Polacek <polacek@redhat.com>
2843 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
2844 wrapped in NOP_EXPRs.
2846 2016-01-27 Martin Sebor <msebor@redhat.com>
2849 * mangle.c (mangle_decl): Reference the correct (saved) version
2850 of the ABI in -Wabi diagnostics.
2852 2016-01-27 Marek Polacek <polacek@redhat.com>
2855 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
2856 elements of the array.
2858 2016-01-26 Jason Merrill <jason@redhat.com>
2861 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
2862 (cxx_eval_call_expression): Don't look through clones.
2863 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
2864 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
2865 maybe-in-charge *tor.
2867 2016-01-26 Jason Merrill <jason@redhat.com>
2870 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
2871 and TREE_SIDE_EFFECTS.
2872 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
2873 verify_constructor_flags.
2875 2016-01-26 Jakub Jelinek <jakub@redhat.com>
2878 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
2879 return error_mark_node instead of building trees with error_mark_node
2882 2016-01-26 David Malcolm <dmalcolm@redhat.com>
2885 * error.c (print_instantiation_partial_context_line): Add missing
2886 newlines from output for the t == NULL case.
2887 (print_instantiation_partial_context): Remove call to pp_newline.
2889 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
2892 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2897 * decl.c (grokdeclarator): Don't decay array parameter type to
2898 a pointer type if it's dependent.
2899 (grokparms): Invoke strip_top_quals instead of directly invoking
2900 cp_build_qualified_type.
2901 * pt.c (decay_dependent_array_parm_type): New static function.
2902 (type_unification_real): Call decay_dependent_array_parm_type
2903 to decay a dependent array parameter type to its corresponding
2904 pointer type before unification.
2905 (more_specialized_fn): Likewise.
2906 (get_bindings): Likewise.
2907 * tree.c (cp_build_qualified_type): Trivial typofix in
2910 2016-01-23 Martin Sebor <msebor@redhat.com>
2914 * decl2.c (is_late_template_attribute): Handle dependent argument
2915 to attribute align and attribute vector_size.
2917 2016-01-21 Jason Merrill <jason@redhat.com>
2920 * lambda.c (lambda_capture_field_type): Handle 'this' specially
2921 for init-capture, too.
2924 * decl.c (type_is_deprecated): Don't look into a typedef.
2928 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
2931 * decl.c (start_enum): Add attributes parameter.
2932 * parser.c (cp_parser_enum_specifier): Pass it.
2933 * pt.c (lookup_template_class_1): Pass it.
2934 * cp-tree.h: Adjust.
2936 2016-01-19 Jason Merrill <jason@redhat.com>
2939 * pt.c (convert_template_argument): Handle VAR_DECL properly.
2941 2016-01-19 Marek Polacek <polacek@redhat.com>
2944 * constexpr.c (clear_cv_cache): New.
2945 * cp-gimplify.c (clear_fold_cache): New.
2946 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
2947 * decl.c (finish_enum_value_list): Call them.
2950 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
2952 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
2957 * decl.c (grokdeclarator): Don't decay array parameter type to
2958 a pointer type if it's dependent.
2959 (grokparms): Invoke strip_top_quals instead of directly invoking
2960 cp_build_qualified_type.
2961 * pt.c (decay_dependent_array_parm_type): New static function.
2962 (type_unification_real): Call decay_dependent_array_parm_type
2963 to decay a dependent array parameter type to its corresponding
2964 pointer type before unification.
2965 (more_specialized_fn): Likewise.
2966 (get_bindings): Likewise.
2967 * tree.c (cp_build_qualified_type): Trivial typofix in
2970 2016-01-18 Jason Merrill <jason@redhat.com>
2972 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
2974 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
2977 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
2978 (contains_label_1, contains_label_p): Remove.
2980 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2983 * pt.c (type_dependent_expression_p): For a function template
2984 specialization, a type is dependent iff any of its template
2987 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2989 * cp-array-notation.c (cp_expand_cond_array_notations): Return
2990 error_mark_node only if find_rank failed, not if it was
2993 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
2996 * tree.c (build_min_non_dep_call_vec): Don't retain the
2997 KOENIG_LOOKUP_P flag of the non-dependent expression that's
2999 (build_min_non_dep_op_overload): Instead, do it here.
3001 2016-01-15 Jakub Jelinek <jakub@redhat.com>
3004 * parser.h (cp_token): Remove pragma_kind field. Add comment
3005 with number of unused bits.
3006 * parser.c (eof_token): Remove pragma_kind field initializer.
3007 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
3008 field, don't clear CPP_PRAGMA u.value.
3009 (cp_parser_pragma_kind): New function.
3010 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
3011 cp_parser_omp_construct, cp_parser_initial_pragma,
3012 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
3015 2016-01-15 Jason Merrill <jason@redhat.com>
3018 * call.c (build_cxx_call): Use fold_non_dependent_expr.
3020 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
3024 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
3025 array/function-to-pointer conversion. Call
3026 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
3027 * call.c (convert_like_real): Print call context if
3028 decay_conversion errors.
3030 2016-01-14 Tom de Vries <tom@codesourcery.com>
3032 PR tree-optimization/68773
3033 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
3036 2016-01-14 Jason Merrill <jason@redhat.com>
3039 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
3041 2016-01-12 Marek Polacek <polacek@redhat.com>
3044 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
3045 error_at and adjust the return value.
3047 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3051 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
3052 GS_ERROR whenever seen_error (), only if *expr_p contains
3053 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
3057 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
3059 2016-01-11 Jason Merrill <jason@redhat.com>
3062 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
3063 (process_subob_fn): Likewise. Don't consider triviality if true.
3064 (synthesize_method_walk): Pass it.
3066 2016-01-11 David Malcolm <dmalcolm@redhat.com>
3069 * parser.c (cp_parser_postfix_expression): Initialize
3070 close_paren_loc to UNKNOWN_LOCATION; only use it if
3071 it has been written to by
3072 cp_parser_parenthesized_expression_list.
3073 (cp_parser_parenthesized_expression_list): Document the behavior
3074 with respect to the CLOSE_PAREN_LOC param.
3076 2016-01-11 Jakub Jelinek <jakub@redhat.com>
3079 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
3080 folded operands have side-effects, but folding changed any of them,
3081 build a new tree with the folded operands instead of returning the
3084 2016-01-09 Marek Polacek <polacek@redhat.com>
3087 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
3089 2016-01-09 Jakub Jelinek <jakub@redhat.com>
3092 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
3094 2016-01-08 Jason Merrill <jason@redhat.com>
3097 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
3100 2016-01-08 Marek Polacek <polacek@redhat.com>
3103 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
3105 2016-01-08 Jason Merrill <jason@redhat.com>
3107 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
3112 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
3113 TREE_ADDRESSABLE type.
3117 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
3119 2016-01-05 Nathan Sidwell <nathan@acm.org>
3122 * pt.c (build_non_dependent_expr): Don't try a checking fold when
3125 2016-01-04 Jakub Jelinek <jakub@redhat.com>
3127 Update copyright years.
3129 Copyright (C) 2016 Free Software Foundation, Inc.
3131 Copying and distribution of this file, with or without modification,
3132 are permitted in any medium without royalty provided the copyright
3133 notice and this notice are preserved.