1 2018-03-08 Jason Merrill <jason@redhat.com>
2 Jakub Jelinek <jakub@redhat.com>
5 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
6 not calling mark_used for the benefit of -Wunused-function warning.
8 2018-03-06 Jason Merrill <jason@redhat.com>
10 * lambda.c (is_capture_proxy_with_ref): Remove.
11 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
13 2018-03-06 Marek Polacek <polacek@redhat.com>
16 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
19 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
22 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
23 only while processing template decls.
24 * typeck.c (build_x_conditional_expr): Move wrapping of
25 reference type around type...
26 * call.c (build_conditional_expr_1): ... here. Rename
27 is_lvalue to is_glvalue.
28 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
29 INDIRECT_REF of COND_EXPR too.
32 * init.c (build_zero_init_1): Zero-initialize references.
35 * semantics.c (finish_stmt_expr_expr): Reject unresolved
36 overloads used as stmt expr values.
38 2018-03-05 Jason Merrill <jason@redhat.com>
40 PR c++/84708 - ICE with lambda in local class NSDMI.
41 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
44 2018-03-05 Jakub Jelinek <jakub@redhat.com>
47 * constexpr.c (constexpr_call_hasher::equal): Return false if
48 lhs->hash != rhs->hash. Change return 1 to return true and
49 return 0 to return false.
51 2018-03-05 Nathan Sidwell <nathan@acm.org>
54 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
56 2018-03-05 Marek Polacek <polacek@redhat.com>
59 * decl.c (duplicate_decls): Check DECL_NAME before accessing
62 2018-03-05 Nathan Sidwell <nathan@acm.org>
65 * friend.c (do_friend): Restore check for identifier_p inside
68 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
71 * parser.c (cp_parser_lambda_introducer): Reject any capture not
72 involving a VAR_DECL or a PARM_DECL.
74 2018-03-05 Pádraig Brady <P@draigBrady.com>
75 Jason Merrill <jason@redhat.com>
76 Nathan Sidwell <nathan@acm.org>
79 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
81 2018-03-03 Jason Merrill <jason@redhat.com>
83 PR c++/84686 - missing volatile loads.
84 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
86 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
89 * optimize.c (maybe_thunk_body): Bail out immediately if either
90 fns[0] or fns[1] is null.
92 2018-03-02 Marek Polacek <polacek@redhat.com>
95 * constexpr.c (get_array_or_vector_nelts): New.
96 (cxx_eval_array_reference): Use it.
97 (cxx_eval_vec_init_1): Likewise.
98 (cxx_eval_store_expression): Likewise.
100 2018-03-02 Jason Merrill <jason@redhat.com>
102 * semantics.c (force_paren_expr): Remove redundant test.
104 2018-03-02 Marek Polacek <polacek@redhat.com>
107 * decl.c (cp_complete_array_type): Check error_mark_node.
110 * typeck.c (cp_perform_integral_promotions): Check the result of
113 2018-03-02 Jakub Jelinek <jakub@redhat.com>
116 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
117 RETURN instead of return.
118 <case POINTER_PLUS_EXPR>: Likewise.
119 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
120 it instead of wrapping it into CONVERT_EXPR.
122 2018-03-02 Jason Merrill <jason@redhat.com>
125 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
127 2018-03-02 Marek Polacek <polacek@redhat.com>
130 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
131 wrapped in VIEW_CONVERT_EXPR.
133 2018-03-01 Martin Sebor <msebor@redhat.com>
136 * decl.c (check_redeclaration_no_default_args): Merge attributes
137 specified on redeclarations of the same function template.
140 2018-03-01 Marek Polacek <polacek@redhat.com>
141 Jason Merrill <jason@redhat.com>
144 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
146 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
147 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
148 of instantiate_non_dependent_expr.
149 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
151 2018-03-01 Nathan Sidwell <nathan@acm.org>
154 * name-lookup.c (member_vec_dedup): Remove manually peeled
155 iteration. Ignore dependent ctor inheritance.
157 2018-03-01 Jason Merrill <jason@redhat.com>
159 PR c++/71569 - decltype of template.
160 * parser.c (cp_parser_decltype_expr): Handle missing template args.
162 2018-03-01 Marek Polacek <polacek@redhat.com>
165 * constexpr.c (require_rvalue_constant_expression): New function.
166 * cp-tree.h: Declare it.
167 * semantics.c (finish_static_assert): Use it instead of
168 require_potential_rvalue_constant_expression.
170 2018-03-01 Jason Merrill <jason@redhat.com>
171 Alexandre Oliva <aoliva@redhat.com>
173 PR c++/71569 - ICE with redundant args on member variable template.
174 * decl.c (start_decl): Handle partial specialization of member
176 * pt.c (determine_specialization): Allow partial specialization
177 of member variable template without specializing enclosing class.
178 (process_partial_specialization): Improve error message.
180 2018-02-28 Jason Merrill <jason@redhat.com>
182 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
183 * pt.c (determine_specialization): Check ref-qualifier.
185 2018-02-28 Jakub Jelinek <jakub@redhat.com>
188 * parser.c (cp_parser_attributes_opt): Formatting fix.
189 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
190 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
192 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
193 instead of tentative parse to peek over optional attribute tokens
194 to check for CPP_COLON after them.
198 * pt.c (INCLUDE_STRING): Remove define.
199 (warn_spec_missing_attributes): Use pretty_printer instead of
200 std::string. Fix up inform call so that the list of attributes
203 2018-02-28 Martin Sebor <msebor@redhat.com>
206 * decl.c (duplicate_decls): Fully merge attributes const, pure,
209 2018-02-28 Nathan Sidwell <nathan@acm.org>
212 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
213 * name-lookup.c (fields_linear_search): Look in an anon-aggr
214 regardless of want_type.
215 (search_anon_aggr): Just use get_class_binding_direct.
217 2018-02-28 Jakub Jelinek <jakub@redhat.com>
219 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
222 2018-02-27 Martin Sebor <msebor@redhat.com>
224 * pt.c: Avoid including <string> directly.
226 2018-02-27 Martin Sebor <msebor@redhat.com>
230 * cp-tree.h (warn_spec_missing_attributes): New function.
231 ((check_explicit_specialization): Add an argument. Call the above
233 * decl.c (duplicate_decls): Avoid applying primary function template's
234 attributes to its explicit specializations.
235 cp/pt.c (warn_spec_missing_attributes): Define.
237 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
239 PR c++/71546 - lambda init-capture with qualified-id.
240 * parser.c (cp_parser_lambda_introducer): Clear scope after
243 2018-02-27 Nathan Sidwell <nathan@acm.org>
246 * name-lookup.h (get_member_slot): Rename ...
247 (find_member_slot): ... here.
248 (add_member_slot): New.
249 * name-lookup.c (member_vec_linear_search): No need to check for
251 (get_member_slot): Rename ...
252 (find_member_slot): ... here. Don't add slot for incomplete class.
253 (add_member_slot): New.
254 * class.c (add_method): Adjust get_member_slot rename. Bail out
255 if push_class_level_binding fails. Create slot and grok
256 properties once we're committed to insertion.
258 2018-02-27 Jason Merrill <jason@redhat.com>
260 PR c++/84489 - dependent default template argument
261 * pt.c (type_unification_real): Handle early substitution failure.
263 2018-02-26 Jason Merrill <jason@redhat.com>
265 PR c++/84560 - ICE capturing multi-dimensional VLA.
266 * tree.c (array_of_runtime_bound_p): False if the element is
269 PR c++/84441 - ICE with base initialized from ?:
270 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
272 PR c++/84520 - ICE with generic lambda in NSDMI.
273 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
274 'this' in a generic lambda instantiation.
276 PR c++/84559 - ICE with constexpr VLA.
277 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
278 for constexpr variable with VLA type.
280 2018-02-26 Jakub Jelinek <jakub@redhat.com>
283 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
284 a valid constant initializer. Formatting fixes.
286 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
289 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
291 (apply_late_template_attributes): Likewise.
293 2018-02-26 Jakub Jelinek <jakub@redhat.com>
296 * parser.c (cp_parser_omp_var_list_no_open): Only call
297 cp_parser_lookup_name_simple on names satisfying identifier_p.
298 (cp_parser_oacc_routine): Likewise.
300 2018-02-26 Jason Merrill <jason@redhat.com>
302 PR c++/84551 - ICE with concepts and -g.
303 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
305 2018-02-26 Marek Polacek <polacek@redhat.com>
308 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
311 2018-02-26 Jason Merrill <jason@redhat.com>
313 PR c++/84447 - ICE with deleted inherited ctor with default arg.
314 * call.c (build_over_call): Handle deleted functions in one place.
316 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
319 * decl.c (redeclaration_error_message): Don't try to use
320 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
322 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
324 * lambda.c (build_capture_proxy): Define static.
325 * cp-tree.h (build_capture_proxy): Remove.
327 2018-02-26 Marek Polacek <polacek@redhat.com>
330 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
331 if name is error node.
333 2018-02-25 Jason Merrill <jason@redhat.com>
335 PR c++/84015 - ICE with class deduction and auto template parm.
336 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
338 2018-02-24 Marek Polacek <polacek@redhat.com>
341 * constexpr.c (maybe_constant_init_1): New function.
342 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
343 (cxx_constant_init): New function.
344 * cp-tree.h (cxx_constant_init): Declare.
345 * typeck2.c (store_init_value): Call cxx_constant_init instead of
346 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
348 2018-02-22 Jason Merrill <jason@redhat.com>
350 PR c++/70468 - ICE with constructor delegation via typedef.
351 * pt.c (tsubst_initializer_list): Check for other mem-initializers
352 with constructor delegation.
354 2018-02-22 Jason Merrill <jason@redhat.com>
356 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
357 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
360 2018-02-22 Marek Polacek <polacek@redhat.com>
363 * parser.c (cp_parser_braced_list): Use require_open instead of
366 2018-02-21 Jason Merrill <jason@redhat.com>
368 PR c++/84454 - ICE with pack expansion in signature.
369 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
371 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
373 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
376 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
379 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
382 2018-02-20 Jakub Jelinek <jakub@redhat.com>
385 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
386 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
389 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
390 returns error_mark_node, return it immediately.
391 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
392 error_mark_node, return error_mark_node.
395 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
396 function_depth to avoid GC during finish_lambda_function.
398 2018-02-19 Jason Merrill <jason@redhat.com>
400 PR c++/84429 - ICE capturing VLA.
401 * lambda.c (build_capture_proxy): Handle reference refs.
403 2018-02-19 Jakub Jelinek <jakub@redhat.com>
406 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
407 either operand is error_mark_node, set current.lhs to that instead of
408 creating a binary op with error_mark_node operands.
411 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
413 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
416 * decl.c (grokdeclarator): Early return error_mark_node upon
417 ill-formed friend declaration.
419 2018-02-16 Marek Polacek <polacek@redhat.com>
420 Jakub Jelinek <jakub@redhat.com>
423 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
424 set *jump_target to anything if jump_target is NULL.
426 2018-02-16 Jason Merrill <jason@redhat.com>
428 PR c++/84151 - unnecessary volatile load with static member.
429 * call.c (build_new_method_call_1): Avoid loading from a volatile
430 lvalue used as the object argument for a static member function.
432 PR c++/81853 - using-directive and constexpr.
433 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
435 PR c++/84420 - ICE with structured binding in lambda.
436 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
438 PR c++/83835 - C++17 error with constructor ctors.
439 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
441 PR c++/82664 - ICE with reference to function template parm.
442 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
445 PR c++/82764 - C++17 ICE with empty base
446 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
448 2018-02-16 Jason Merrill <jason@redhat.com>
450 PR c++/84421 - type-dependent if constexpr
451 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
453 2018-02-16 Nathan Sidwell <nathan@acm.org>
455 Deprecate -ffriend-injection.
456 * decl.c (cxx_init_decl_processing): Emit warning on option.
457 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
460 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
463 * decl.c (check_special_function_return_type): Reject template
464 template parameter in deduction guide.
466 2018-02-16 Nathan Sidwell <nathan@acm.org>
469 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
471 2018-02-15 Jason Merrill <jason@redhat.com>
473 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
474 * call.c (convert_like_real): Don't use the copy-list-initialization
475 shortcut for ck_base.
477 PR c++/84045 - ICE with typedef and noexcept.
478 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
480 PR c++/84376 - ICE with omitted template arguments.
481 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
483 PR c++/84368 - wrong error with local variable in variadic lambda.
484 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
485 local_specializations.
487 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
490 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
493 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
496 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
499 2018-02-14 Nathan Sidwell <nathan@acm.org>
501 * decl2.c (mark_vtable_entries): Set input_location to decl's.
502 (c_parse_final_cleanups): Restore input_location after emitting
505 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
507 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
508 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
509 auto_deduction_context, tree, int): Add defaults.
510 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
511 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
512 tsubst_flags_t argument.
513 * init.c (build_new): Likewise.
515 2018-02-13 Jakub Jelinek <jakub@redhat.com>
518 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
519 about return other than *this in assignment operators if
520 retval is type dependent expression.
522 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
525 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
526 save_expr for the G++ extension.
528 2018-02-13 Jason Merrill <jason@redhat.com>
530 PR c++/84080 - ICE with return type deduction and specialization.
531 * pt.c (determine_specialization): Check uses_template_parms.
533 Fix more variadic capture issues.
534 * pt.c (find_parameter_packs_r): Also look at explicit captures.
535 (check_for_bare_parameter_packs): Check current_class_type for
537 (extract_locals_r): Handle seeing a full instantiation of a pack.
538 (tsubst_pack_expansion): Likewise. Force lambda capture.
539 * parser.c (cp_parser_lambda_introducer): Don't
540 check_for_bare_parameter_packs.
542 PR c++/84338 - wrong variadic sizeof.
543 * pt.c (argument_pack_select_arg): Like the macro, but look through
545 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
546 (extract_fnparm_pack): Do make_pack_expansion.
547 (extract_locals_r): Do strip a pack expansion.
548 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
550 2018-02-12 Jakub Jelinek <jakub@redhat.com>
553 * parser.c (cp_parser_binary_expression): Use build_min instead of
554 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
556 2018-02-12 Nathan Sidwell <nathan@acm.org>
559 * parser.c (cp_parser_decltype): Push and pop
560 deferring_access_checks. Reorganize to avoid goto.
562 2018-02-12 Richard Biener <rguenther@suse.de>
565 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
566 uniform constructors and delay allocating them fully.
568 2018-02-09 Jason Merrill <jason@redhat.com>
570 PR c++/84036 - ICE with variadic capture.
571 Handle variadic capture proxies more like non-variadic.
572 * lambda.c (build_capture_proxy): Remove workaround.
573 * pt.c (find_parameter_packs_r): The proxy is a pack.
574 (instantiate_class_template_1): Remove dead lambda code.
575 (extract_fnparm_pack): Don't make_pack_expansion.
576 (extract_locals_r): Don't strip a pack expansion.
577 (tsubst_pack_expansion): Handle proxy packs. Use
578 PACK_EXPANSION_EXTRA_ARGS less.
579 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
580 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
581 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
582 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
583 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
585 2018-02-10 Jakub Jelinek <jakub@redhat.com>
588 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
590 2018-02-09 Jason Merrill <jason@redhat.com>
592 PR c++/81917 - ICE with void_t and partial specialization.
593 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
594 calling most_specialized_partial_spec.
596 2018-02-09 Nathan Sidwell <nathan@acm.org>
599 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
600 Pass expr location to strict_aliasing_warning.
602 2018-02-09 Jason Merrill <jason@redhat.com>
604 PR c++/84296 - ICE with qualified-id in template.
606 * pt.c (unknown_base_ref_p): New.
607 (instantiation_dependent_scope_ref_p): Use it instead of
608 any_dependent_bases_p.
610 2018-02-09 Marek Polacek <polacek@redhat.com>
611 Jakub Jelinek <jakub@redhat.com>
614 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
615 fold_indirect_ref_1, including poly_*int64. Verify first that
616 tree_fits_poly_int64_p (op01). Formatting fixes.
618 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
620 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
621 * lambda.c (build_capture_proxy): Likewise.
622 * search.c (field_access_p): Likewise.
623 * semantics.c (omp_clause_decl, omp_privatize_field,
624 finish_omp_clauses): Likewise.
626 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
629 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
632 2018-02-08 Nathan Sidwell <nathan@acm.org>
634 * class.c (finish_struct): Fix std:initializer_list diagnostic
637 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
640 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
642 2018-02-07 Jakub Jelinek <jakub@redhat.com>
645 * parser.c (cp_parser_dot_deref_incomplete): New function.
646 (cp_parser_postfix_dot_deref_expression): Use it.
648 2018-02-07 David Malcolm <dmalcolm@redhat.com>
652 * name-lookup.c (suggest_rid_p): New function.
653 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
656 2018-02-07 Jason Merrill <jason@redhat.com>
658 PR c++/84182 - ICE with captured lambda
660 * pt.c (extract_locals_r, extract_local_specs): New.
661 (tsubst_pack_expansion): Use them.
663 2018-02-07 Martin Liska <mliska@suse.cz>
666 * class.c (add_method): Append argument value.
667 * cp-tree.h (maybe_version_functions): Add new argument.
668 * decl.c (decls_match): Call it if a declaration does not
669 have DECL_FUNCTION_VERSIONED.
670 (maybe_version_functions): record argument is added.
672 2018-02-05 Marek Polacek <polacek@redhat.com>
674 * class.c: Remove unused global variables.
675 (build_primary_vtable): Don't gather statistics.
676 (print_class_statistics): Remove.
677 * cp-tree.h (print_class_statistics): Remove.
678 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
680 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
682 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
683 * constexpr.c (cx_check_missing_mem_inits): Likewise.
684 * decl.c (next_initializable_field, find_decomp_class_base,
685 cp_finish_decomp): Likewise.
686 * typeck2.c (process_init_constructor_record): Likewise.
688 2018-02-02 Jason Merrill <jason@redhat.com>
690 PR c++/84181 - ICE with lambda parm in template argument.
691 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
693 2018-02-01 Jason Merrill <jason@redhat.com>
695 PR c++/84160 - ICE with nested variadic capture.
696 * lambda.c (is_capture_proxy_with_ref): New.
697 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
699 * expr.c (mark_use): Use is_capture_proxy_with_ref.
700 * constexpr.c (potential_constant_expression_1): Likewise.
701 * semantics.c (process_outer_var_ref): Likewise.
703 2018-02-01 Marek Polacek <polacek@redhat.com>
706 * typeck.c (build_address): Relax the assert when
707 processing_template_decl.
709 2018-02-01 Jason Merrill <jason@redhat.com>
711 PR c++/84126 - ICE with variadic generic lambda
714 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
715 PACK_EXPANSION_EXTRA_ARGS.
717 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
720 * call.c (convert_like_real): If w're initializing from {} explicitly
721 call abstract_virtuals_error_sfinae.
723 2018-01-31 Jason Merrill <jason@redhat.com>
724 Jakub Jelinek <jakub@redhat.com>
727 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
728 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
731 2018-01-31 Jakub Jelinek <jakub@redhat.com>
734 * constexpr.c (diag_array_subscript): Emit different diagnostics
735 if TYPE_DOMAIN (arraytype) is NULL.
736 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
737 with NULL TYPE_DOMAIN use size_zero_node as nelts.
739 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
742 * semantics.c (finish_qualified_id_expr): When handling an
743 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
745 2018-01-31 Marek Polacek <polacek@redhat.com>
748 * cp-gimplify.c (cp_fold): Check if X is an error node before
749 calling useless_type_conversion_p.
751 2018-01-30 Jason Merrill <jason@redhat.com>
753 PR c++/84091 - ICE with local class in lambda in template.
754 * decl2.c (determine_visibility): Look for outer containing template
757 PR c++/84098 - ICE with lambda in template NSDMI.
758 * pt.c (instantiate_class_template_1): Ignore more lambdas.
760 2018-01-29 Jason Merrill <jason@redhat.com>
762 PR c++/68810 - wrong location for reinterpret_cast error.
763 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
766 2018-01-29 Marek Polacek <polacek@redhat.com>
769 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
770 => fooarray[1] in offset_int.
772 2018-01-29 Jason Merrill <jason@redhat.com>
774 PR c++/83942 - wrong unused warning with static_cast.
775 * cvt.c (ocp_convert): Call mark_rvalue_use.
777 2018-01-26 Jason Merrill <jason@redhat.com>
779 PR c++/83956 - wrong dtor error with anonymous union
780 * method.c (walk_field_subobs): Variant members only affect
782 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
784 PR c++/84036 - ICE with variadic capture.
786 * pt.c (tsubst_pack_expansion): When optimizing a simple
787 substitution, pull a single pack expansion out of its pack.
789 PR c++/82514 - ICE with local class in generic lambda.
790 * pt.c (regenerated_lambda_fn_p): Remove.
791 (enclosing_instantiation_of): Don't use it.
792 (tsubst_function_decl): Call enclosing_instantiation_of.
794 * pt.c (lookup_template_class_1): Add sanity check.
795 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
797 2018-01-25 Jakub Jelinek <jakub@redhat.com>
800 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
801 recursive calls that return ret.
802 (cp_finish_decomp): Ignore unnamed bitfields.
804 2018-01-23 Jason Merrill <jason@redhat.com>
806 PR c++/82249 - wrong mismatched pack length error.
807 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
808 unsubstituted function parameter pack.
810 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
813 * decl.c (check_for_uninitialized_const_var): Not static; add
814 bool and tsubst_flags_t parameters; adjust to be used both in
815 constexpr context and not.
816 * constexpr.c (potential_constant_expression_1): Use the above.
817 * cp-tree.h (check_for_uninitialized_const_var): Declare.
819 2018-01-23 Jason Merrill <jason@redhat.com>
821 PR c++/83947 - ICE with auto declarations.
822 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
823 * decl.c (undeduced_auto_decl): Limit to vars and fns.
825 2018-01-23 David Malcolm <dmalcolm@redhat.com>
828 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
829 for pointer to member function types.
831 2018-01-23 Jakub Jelinek <jakub@redhat.com>
834 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
835 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
837 2018-01-23 Nathan Sidwell <nathan@acm.org>
840 * pt.c (tsubst_baselink): Remove optype assert.
841 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
843 2018-01-23 Jakub Jelinek <jakub@redhat.com>
846 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
847 refers to incomplete type.
849 2018-01-23 Nathan Sidwell <nathan@acm.org>
851 Deprecate ARM-era for scope handling
852 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
853 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
855 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
857 * semantics.c (begin_for_scope): Flag_new_for_scope is
859 (finish_for_stmt, begin_range_for_stmt): Likewise.
861 2018-01-22 Jason Merrill <jason@redhat.com>
864 * decl2.c (determine_visibility): Fix template_decl handling
865 instead of blocking it.
867 PR c++/83720 - ICE with lambda and LTO.
868 * decl2.c (determine_visibility): Clear template_decl for
869 function-scope decls. Propagate anonymous linkage from containing
872 2018-01-22 Marek Polacek <polacek@redhat.com>
875 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
878 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
881 * decl.c (grokdeclarator): Don't diagnose extra parens
884 2018-01-19 Jakub Jelinek <jakub@redhat.com>
887 * call.c (joust): Use TREE_TYPE (source) if source is
888 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
891 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
892 for direct enum init.
893 * decl.c (reshape_init): Likewise.
895 2018-01-19 Marek Polacek <polacek@redhat.com>
897 * constexpr.c (fold_simple): Simplify.
899 2018-01-18 Jason Merrill <jason@redhat.com>
902 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
903 * pt.c (instantiation_dependent_scope_ref_p): True if
904 any_dependent_bases_p.
906 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
908 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
909 vs DECL_NONTRIVIALLY_INITIALIZED_P).
911 2018-01-18 Jason Merrill <jason@redhat.com>
913 PR c++/82461 - constexpr list-initialized member
914 * constexpr.c (potential_constant_expression_1): Check
915 TARGET_EXPR_DIRECT_INIT_P.
917 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
920 * decl.c (xref_basetypes): Early return upon error about derived
923 2018-01-18 Nathan Sidwell <nathan@acm.org>
926 * cp-tree.h (mark_use): Declare.
927 * expr.c (mark_use): Make extern.
928 * call.c (direct_reference_binding): Set inner conv's
929 rvaluedness_matches_p, if it is an identity.
930 (convert_like_real): Mark lvalue or rvalue use for identity as
931 rvaledness_matches_p demands.
933 2018-01-18 Jakub Jelinek <jakub@redhat.com>
936 * parser.c (attr_chainon): New function.
937 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
938 cp_parser_namespace_definition, cp_parser_init_declarator,
939 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
940 cp_parser_gnu_attributes_opt): Use it.
941 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
942 cp_parser_objc_struct_declaration): Likewise. Don't reset
943 prefix_attributes if attributes is error_mark_node.
945 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
948 * decl.c (grokdeclarator): Do not append the error_mark_node
949 due to an erroneous optional attribute-specifier-seq.
951 2018-01-17 Jakub Jelinek <jakub@redhat.com>
954 * cp-gimplify.c (cp_maybe_instrument_return): Handle
957 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
960 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
961 error_mark_node when we give an error.
962 * decl.c (cp_finish_decl): Use the latter.
964 2018-01-17 Nathan Sidwell <nathan@acm.org>
967 * init.c (build_raw_new_expr): Scan list for lookups to keep.
969 2018-01-17 David Malcolm <dmalcolm@redhat.com>
972 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
973 the C++ part. If processing a template, call
974 fold_non_dependent_expr rather than fully folding.
976 2018-01-17 Jason Merrill <jason@redhat.com>
978 PR c++/81067 - redundant NULL warning.
979 * call.c (convert_like_real): Restore null_node handling.
981 2018-01-17 Jason Merrill <jason@redhat.com>
983 PR c++/81843 - ICE with variadic member template.
985 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
988 2018-01-17 David Malcolm <dmalcolm@redhat.com>
991 * pt.c (type_dependent_expression_p): Strip any location wrapper
992 before testing tree codes.
993 (selftest::test_type_dependent_expression_p): New function.
994 (selftest::cp_pt_c_tests): Call it.
996 2018-01-17 Nathan Sidwell <nathan@acm.org>
999 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
1000 this not a final instantiation.
1002 2018-01-16 Jason Merrill <jason@redhat.com>
1004 PR c++/83714 - ICE checking return in template.
1005 * typeck.c (check_return_expr): Call build_non_dependent_expr.
1007 2018-01-16 Jakub Jelinek <jakub@redhat.com>
1010 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
1011 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
1012 instead of CALL_FROM_THUNK_P.
1015 * name-lookup.c (member_vec_dedup): Return early if len is 0.
1016 (resort_type_member_vec, set_class_bindings,
1017 insert_late_enum_def_bindings): Use vec qsort method instead of
1018 calling qsort directly.
1020 2018-01-15 Martin Sebor <msebor@redhat.com>
1023 * class.c (find_flexarrays): Make a record of multiple flexible array
1026 2018-01-12 Jason Merrill <jason@redhat.com>
1028 PR c++/83186 - ICE with static_cast of list-initialized temporary.
1029 * typeck.c (build_static_cast): Use build_non_dependent_expr.
1031 2018-01-12 Nathan Sidwell <nathan@acm.org>
1033 * cp-tree.h (mark_rvalue_use): Add parm name.
1034 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
1036 * call.c (convert_like_real): Fix formatting.
1038 2018-01-11 Jason Merrill <jason@redhat.com>
1040 PR c++/82728 - wrong -Wunused-but-set-variable
1043 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
1044 * decl.c (case_conversion): Likewise.
1045 * semantics.c (finish_static_assert): Call
1046 perform_implicit_conversion_flags.
1048 2018-01-11 Nathan Sidwell <nathan@acm.org>
1050 * method.c (enum mangling_flags): Delete long-dead enum.
1052 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
1054 * parser.c (cp_parser_std_attribute_spec): When
1055 token_pair::require_open / require_close return false simply
1056 return error_mark_node, avoid duplicate cp_parser_error about
1057 expected '(' / ')', respectively.
1059 2018-01-10 David Malcolm <dmalcolm@redhat.com>
1062 * call.c (null_ptr_cst_p): Strip location wrappers when
1063 converting from '0' to a pointer type in C++11 onwards.
1064 (conversion_null_warnings): Replace comparison with null_node with
1065 call to null_node_p.
1066 (build_over_call): Likewise.
1067 * cp-gimplify.c (cp_fold): Remove the early bailout when
1068 processing_template_decl.
1069 * cp-lang.c (selftest::run_cp_tests): Call
1070 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
1071 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
1072 (selftest::run_cp_tests): Move decl to bottom of file.
1073 (null_node_p): New inline function.
1074 (selftest::cp_pt_c_tests): New decl.
1075 (selftest::cp_tree_c_tests): New decl.
1076 * cvt.c (build_expr_type_conversion): Replace comparison with
1077 null_node with call to null_node_p.
1078 * error.c (args_to_string): Likewise.
1079 * except.c (build_throw): Likewise.
1080 * mangle.c (write_expression): Skip location wrapper nodes.
1081 * parser.c (literal_integer_zerop): New function.
1082 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
1083 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
1084 param of cp_parser_parenthesized_expression_list. When calling
1085 warn_for_memset, replace integer_zerop calls with
1086 literal_integer_zerop, eliminating the double logical negation
1087 cast to bool. Eliminate the special-casing for CONST_DECL in
1088 favor of the fold_for_warn within warn_for_memset.
1089 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
1090 param, defaulting to false. Convert "expr" to a cp_expr, and call
1091 maybe_add_location_wrapper on it when wrap_locations_p is true.
1092 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
1093 the result for RID_ALIGNOF and RID_SIZEOF.
1094 (cp_parser_builtin_offsetof): Likewise.
1095 * pt.c: Include "selftest.h".
1096 (tsubst_copy): Handle location wrappers.
1097 (tsubst_copy_and_build): Likewise.
1098 (build_non_dependent_expr): Likewise.
1099 (selftest::test_build_non_dependent_expr): New function.
1100 (selftest::cp_pt_c_tests): New function.
1101 * tree.c: Include "selftest.h".
1102 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
1103 (selftest::test_lvalue_kind): New function.
1104 (selftest::cp_tree_c_tests): New function.
1105 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
1106 (cp_build_binary_op): Replace comparison with null_node with call
1108 (build_address): Use location of operand when building address
1111 2018-01-10 Marek Polacek <polacek@redhat.com>
1114 * call.c (build_conditional_expr_1): Check complain before warning.
1115 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
1116 -Wduplicated-branches.
1118 2018-01-10 Jakub Jelinek <jakub@redhat.com>
1121 * call.c (maybe_warn_class_memaccess): Add forward declaration.
1122 Change last argument from tree * to const vec<tree, va_gc> *, adjust
1123 args uses and check number of operands too. Don't strip away any
1124 nops. Use maybe_constant_value when looking for INTEGER_CST args.
1125 Deal with src argument not having pointer type. Check
1126 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
1128 (build_over_call): Call maybe_warn_class_memaccess here on the
1130 (build_cxx_call): Rather than here on converted arguments.
1132 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
1135 * init.c (build_vec_init): Avoid building an INIT_EXPR with
1136 error_mark_node as second argument.
1138 2018-01-09 Jakub Jelinek <jakub@redhat.com>
1141 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
1142 in STATEMENT_LIST. Remove unneeded assert.
1144 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
1145 Alan Hayward <alan.hayward@arm.com>
1146 David Sherwood <david.sherwood@arm.com>
1148 * constexpr.c (cxx_eval_array_reference): Handle polynomial
1150 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
1151 * call.c (build_conditional_expr_1): Likewise.
1152 * decl.c (cp_finish_decomp): Likewise.
1153 * mangle.c (write_type): Likewise.
1154 * typeck.c (structural_comptypes): Likewise.
1155 (cp_build_binary_op): Likewise.
1156 * typeck2.c (process_init_constructor_array): Likewise.
1158 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1161 * typeck.c (build_static_cast_1): For static casts to reference types,
1162 call build_base_path with flag_delete_null_pointer_checks as nonnull
1163 instead of always false. When -fsanitize=null, call
1164 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
1165 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
1166 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
1168 2018-01-03 Nathan Sidwell <nathan@acm.org>
1171 * method.c (make_alias_for): Copy DECL_CONTEXT.
1173 2018-01-03 Marek Polacek <polacek@redhat.com>
1176 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
1178 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1180 PR preprocessor/83602
1181 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
1185 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
1186 error_mark_node, return error_mark_node.
1188 Update copyright years.
1190 2018-01-02 Jakub Jelinek <jakub@redhat.com>
1193 * tree.c (replace_placeholders_r): Pass NULL as last argument to
1194 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
1195 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
1196 to false and return.
1197 (replace_placeholders): Pass NULL instead of &pset as last argument
1200 2018-01-02 Nathan Sidwell <nathan@acm.org>
1202 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
1205 Copyright (C) 2018 Free Software Foundation, Inc.
1207 Copying and distribution of this file, with or without modification,
1208 are permitted in any medium without royalty provided the copyright
1209 notice and this notice are preserved.