1 2018-06-21 Jason Merrill <jason@redhat.com>
3 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
5 * name-lookup.c (do_push_to_top_level): Don't allocate
7 (do_pop_from_top_level): Release current_lang_base.
9 Let -fmem-report see callers of cxx_make_type.
10 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
11 (make_class_type): Likewise.
12 (cxx_make_type_hook): New.
13 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
15 2018-06-20 Nathan Sidwell <nathan@acm.org>
18 * friend.c (add_friend): Keep lookup sets of tempate sets.
20 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
22 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
23 tidy handling of a null location_t argument; use proper location
24 information in a few additional error messages.
25 (grokdeclarator): Update calls.
27 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
28 Thomas Schwinge <thomas@codesourcery.com>
29 Cesar Philippidis <cesar@codesourcery.com>
31 * parser.c (cp_parser_omp_clause_name): Add support for finalize
32 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
33 to their non-present_or_* counterparts. Make 'self' an alias to
34 PRAGMA_OACC_CLAUSE_HOST.
35 (cp_parser_oacc_data_clause): Update GOMP mappings for
36 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
37 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
38 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
39 Remove support for present_or_* clauses.
40 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
41 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
42 (OACC_DECLARE_CLAUSE_MASK): Likewise.
43 (OACC_DATA_CLAUSE_MASK): Likewise.
44 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
45 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
46 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
47 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
48 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
49 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
51 2018-06-20 Marek Polacek <polacek@redhat.com>
54 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
55 (fold_simple_1): Likewise.
56 * error.c (dump_expr): Likewise.
58 2018-06-20 Nathan Sidwell <nathan@acm.org>
61 * cp-tree.h (lookup_keep): Drop KEEP parm.
62 (lookup_list_keep): Delete.
63 (maybe_get_fns): Declare.
64 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
65 (cp_parser_template_id): Not here ...
66 * decl.c (cp_finish_decl): ... nor here ...
67 * init.c (build_raw_new_expr): ... nor here ...
68 * pt.c (process_template_parm): ... nor here ...
69 * semantics.c (perform_koenig_lookup): Call lookup_keep.
70 (finish_call_expr): Not here.
71 * tree.c (ovl_cache): Delete.
72 (ovl_make, ovl_copy): No cache.
73 (lookup_keep): Always keep.
74 (lookup_list_keep): Delete.
75 (maybe_get_fns): New, broken out of ...
76 (get_fns): ... here. Call it.
77 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
78 (build_min_nt_call_vec): Likewise.
80 2018-06-19 Jason Merrill <jason@redhat.com>
82 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
83 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
85 PR c++/86182 - ICE with anonymous union passed to template.
86 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
87 used to declare a named variable.
89 2018-06-18 Jason Merrill <jason@redhat.com>
91 * tree.c (cp_expr_location): New.
92 * cp-tree.h (cp_expr_loc_or_loc): New.
93 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
94 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
95 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
97 * parser.c (cp_parser_lambda_expression): Use a range for
100 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
101 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
104 PR c++/81060 - ICE with unexpanded parameter pack.
105 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
106 * decl.c (grokdeclarator): Call it for qualifying_scope.
108 PR c++/86171 - ICE with recursive alias instantiation.
109 * pt.c (tsubst_decl): Handle recursive alias instantiation.
111 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
113 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
114 in errors about redefined default arguments; tidy.
116 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
118 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
119 * cp-gimplify.c (cp_fold): Likewise.
121 2018-06-15 Jason Merrill <jason@redhat.com>
123 PR c++/86147 - wrong capture for template argument.
124 * expr.c (mark_use): Look through NOP_EXPR.
126 * name-lookup.c (do_pushtag): Don't look through complete types, but
127 don't add to them either. Get context from current_binding_level.
128 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
130 * decl.c (start_enum): Do compare dependent underlying type.
132 PR c++/82882 - ICE with lambda in template default argument.
133 * lambda.c (record_null_lambda_scope): New.
134 * pt.c (tsubst_lambda_expr): Use it.
135 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
136 function that isn't open.
138 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
140 2018-06-14 Marek Polacek <polacek@redhat.com>
143 * decl2.c (cp_check_const_attributes): Skip trees that are not
146 2018-06-14 Jakub Jelinek <jakub@redhat.com>
148 P0624R2 - Default constructible and assignable stateless lambdas
149 * method.c (synthesized_method_walk): For C++2a don't mark
150 sfk_constructor or sfk_copy_assignment as deleted if lambda has
153 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
155 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
156 OPT_Wshadow warning_at.
157 (grokfndecl): Consistently use the location_t argument in
158 literal operator diagnostic messages.
159 (grokdeclarator): Use declspecs->locations[ds_storage_class]
161 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
164 2018-06-13 Jason Merrill <jason@redhat.com>
166 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
167 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
170 PR c++/86094 - wrong code with defaulted move ctor.
171 * class.c (classtype_has_non_deleted_move_ctor): New.
172 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
175 2018-06-12 Jason Merrill <jason@redhat.com>
177 PR c++/86098 - ICE with template placeholder for TTP.
178 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
179 CLASS_PLACEHOLDER_TEMPLATE.
181 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
183 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
184 parameter and adjust error_at calls.
185 * decl.c (grok_op_properties): Adjust calls.
186 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
188 2018-06-12 Marek Polacek <polacek@redhat.com>
190 Core issue 1331 - const mismatch with defaulted copy constructor
191 * class.c (check_bases_and_members): When checking a defaulted
192 function, mark it as deleted rather than giving an error.
194 2018-06-11 Jason Merrill <jason@redhat.com>
196 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
197 * class.c (maybe_warn_about_overly_private_class): Handle inherited
200 PR c++/85963 - -Wunused-but-set with ?: in template.
201 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
203 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
205 * decl.c (grok_op_properties): Consistently use the location
206 of the decl; remove special casing of POSTINCREMENT_EXPR and
207 POSTDECREMENT_EXPR wrt default arguments.
209 2018-06-05 Jason Merrill <jason@redhat.com>
211 * constexpr.c (cxx_eval_binary_expression): Special case comparison
212 of pointers to members of the same union.
214 2018-06-11 Jason Merrill <jason@redhat.com>
216 PR c++/86094 - wrong code with defaulted move ctor.
217 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
219 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
221 * decl.c (grokfndecl): Use the location_t argument in two more places.
223 2018-06-06 Marek Polacek <polacek@redhat.com>
226 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
227 deduction from the list elements.
228 (type_unification_real): Check convertibility of list elements.
230 2018-06-06 Jason Merrill <jason@redhat.com>
232 PR c++/86060 - ICE on range for with -std=c++98.
233 * parser.c (cp_parser_init_statement): Don't clobber *decl after
236 PR c++/85710 - ICE with -Wmemset-elt-size.
237 * semantics.c (finish_call_expr): Call warn_for_memset here.
238 * parser.c (cp_parser_postfix_expression): Not here.
239 (literal_integer_zerop): No longer static.
240 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
242 2018-06-05 Marek Polacek <polacek@redhat.com>
245 * tree.c (cp_tree_equal): Handle USING_DECL.
247 2018-06-05 Jason Merrill <jason@redhat.com>
249 PR c++/85731 - wrong error with qualified-id in template.
250 * semantics.c (finish_qualified_id_expr): build_qualified_name
251 for unbound names in the current class.
253 2018-06-04 Jason Merrill <jason@redhat.com>
255 PR c++/61806 - missed SFINAE with partial specialization.
256 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
257 parameter to constructor.
258 * pt.c (instantiate_class_template_1): Enable access checking
259 before call to most_specialized_partial_spec.
261 PR c++/85765 - SFINAE and non-type default template arg.
262 * pt.c (type_unification_real): Do full semantic processing if
263 substituting a partial args list replaces all template parms.
265 2018-06-03 Jason Merrill <jason@redhat.com>
267 PR c++/85739 - ICE with pointer to member template parm.
268 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
270 2018-06-02 Jason Merrill <jason@redhat.com>
272 PR c++/85761 - ICE with ill-formed use of const outer variable.
273 * expr.c (mark_use): Handle location wrappers.
275 2018-06-01 Jason Merrill <jason@redhat.com>
277 PR c++/85764 - bogus 'this' not captured error.
278 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
279 (nonlambda_method_basetype): Handle NSDMI.
281 CWG 1581: When are constexpr member functions defined?
282 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
283 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
285 PR c++/58281 - explicit instantiation of constexpr
286 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
288 * pt.c (instantiate_decl): Any defaulted function is defined.
290 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
293 * call.c (resolve_args): Use location of expression, not current input
296 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
298 Do not warn about zero-as-null when NULL is used.
299 * call.c (conversion_null_warnings): Check for pointer
300 types converted from zero constants.
301 (convert_like_real): Add a warning sentinel at the end.
302 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
305 2018-05-30 Jason Merrill <jason@redhat.com>
307 PR c++/85807 - ICE with call in template NSDMI.
308 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
309 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
311 PR c++/85873 - constant initializer_list array not in .rodata.
312 * tree.c (build_target_expr): Set TREE_READONLY.
313 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
315 * parser.c (cp_parser_check_condition_declarator): Handle
318 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
320 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
321 of using it in dead store.
323 2018-05-29 Jason Merrill <jason@redhat.com>
325 PR c++/67445 - returning temporary initializer_list.
326 PR c++/67711 - assigning from temporary initializer_list.
327 PR c++/48562 - new initializer_list.
328 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
329 about returning local initializer_list.
330 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
331 * call.c (build_over_call): Warn about assignment from temporary
333 * init.c (build_new_1): Warn about 'new std::initializer_list'.
334 (find_list_begin, maybe_warn_list_ctor): New.
335 (perform_member_init): Use maybe_warn_list_ctor.
337 2018-05-29 Marek Polacek <polacek@redhat.com>
340 * init.c (build_new): Handle deducing a class with new
341 with more than one argument.
343 2018-05-29 Jakub Jelinek <jakub@redhat.com>
346 * init.c (build_aggr_init): For structured binding initialized from
347 array call mark_rvalue_use on the initializer.
349 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
351 * decl2.c (start_static_storage_duration_function): Use
352 splay_tree_delete_pointers.
354 2018-05-25 Jason Merrill <jason@redhat.com>
356 PR c++/85815 - reference to member of enclosing template.
357 * search.c (lookup_base): Use currently_open_class.
358 (lookup_member): Use it regardless of -fconcepts.
359 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
361 CWG 616, 1213 - value category of subobject references.
362 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
364 2018-05-24 Jason Merrill <jason@redhat.com>
366 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
367 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
370 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
372 Pedwarn on a non-standard position of a C++ attribute.
373 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
374 after the namespace name.
376 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
378 * cp-tree.h (INDIRECT_TYPE_P): New.
379 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
380 joust): Use it instead of POINTER_TYPE_P.
381 * class.c (update_vtable_entry_for_fn, find_flexarrays,
382 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
383 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
384 * cxx_eval_increment_expression, potential_constant_expression_1):
386 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
387 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
388 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
389 cp_ubsan_maybe_instrument_downcast): Likewise.
390 * cvt.c (cp_convert_to_pointer, ocp_convert,
391 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
392 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
393 pp_cxx_offsetof_expression_1): Likewise.
394 * decl.c (grokparms, static_fn_type): Likewise.
395 * decl2.c (grokbitfield): Likewise.
396 * error.c (dump_expr): Likewise.
397 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
398 * init.c (warn_placement_new_too_small): Likewise.
399 * lambda.c (build_capture_proxy, add_capture): Likewise.
400 * parser.c (cp_parser_omp_for_loop): Likewise.
401 * pt.c (convert_nontype_argument, fn_type_unification,
402 uses_deducible_template_parms, check_cv_quals_for_unify,
403 dependent_type_p_r): Likewise.
404 * search.c (check_final_overrider): Likewise.
405 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
406 finish_omp_for): Likewise.
407 * tree.c (cp_build_qualified_type_real): Likewise.
408 * typeck.c (build_class_member_access_expr,
409 finish_class_member_access_expr, build_x_indirect_ref,
410 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
413 2018-05-24 Jason Merrill <jason@redhat.com>
415 PR c++/85864 - literal template and default template arg.
416 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
418 2018-05-24 Marek Polacek <polacek@redhat.com>
421 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
422 variable for its result. Fix a condition.
423 (build_new): Use fold_non_dependent_expr. Tweak a condition.
425 2018-05-23 Jason Merrill <jason@redhat.com>
427 Fix cast to rvalue reference from prvalue.
428 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
429 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
430 non-class type. Handle xvalue argument.
431 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
433 * semantics.c (finish_compound_literal): Do direct-initialization,
434 not cast, to initialize a reference.
436 CWG 616, 1213 - value category of subobject references.
437 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
439 * typeck2.c (build_m_component_ref): Likewise.
440 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
441 distinction between temporary and xvalue.
443 2018-05-23 Marek Polacek <polacek@redhat.com>
445 Implement P0614R1, Range-based for statements with initializer.
446 * parser.c (cp_parser_range_based_for_with_init_p): New.
447 (cp_parser_init_statement): Use it. Parse the optional init-statement
448 for a range-based for loop.
449 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
451 2018-05-22 Jason Merrill <jason@redhat.com>
453 PR c++/81420 - not extending temporary lifetime.
454 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
455 * class.c (build_base_path): Avoid redundant move of an rvalue.
457 PR c++/85866 - error with .* in default template arg.
458 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
460 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
462 * parser.c (cp_parser_parameter_declaration_list): Remove
464 (cp_parser_parameter_declaration_clause): Adjust.
465 (cp_parser_cache_defarg): Likewise.
467 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
470 * parser.c (cp_parser_maybe_commit_to_declaration,
471 cp_parser_check_condition_declarator): New.
472 (cp_parser_simple_declaration): Use the first above.
473 (cp_parser_condition): Use both the above; enforce
474 [stmt.stmt]/2 about the declarator not specifying
475 a function or an array; improve error-recovery.
477 2018-05-20 Jason Merrill <jason@redhat.com>
479 PR libstdc++/85843 - warning in logic_error copy constructor.
480 * class.c (type_has_user_nondefault_constructor): Check for a
481 user-provided ctor, not user-declared.
483 2018-05-19 Jason Merrill <jason@redhat.com>
485 * pt.c (tsubst_pack_expansion): Sorry rather than abort
486 on __integer_pack as subexpression of pattern.
488 2018-05-18 Jason Merrill <jason@redhat.com>
490 PR c++/58407 - deprecated implicit copy ops.
491 * call.c (build_over_call): Warn about deprecated trivial fns.
492 * class.c (classtype_has_user_copy_or_dtor): New.
493 (type_build_ctor_call): Check TREE_DEPRECATED.
494 (type_build_dtor_call): Likewise.
495 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
496 Add checks. Return bool. Handle -Wdeprecated-copy.
498 * decl.c (grokdeclarator): Remove redundant checks.
499 * typeck2.c (build_functional_cast): Likewise.
500 * method.c (lazily_declare_fn): Mark deprecated copy ops.
501 * init.c (build_aggr_init): Only set TREE_USED if there are
504 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
507 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
510 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
512 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
513 (potential_constant_expression_1): Likewise.
515 2018-05-16 Marek Polacek <polacek@redhat.com>
518 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
519 * tree.c (bot_manip): Call set_flags_from_callee for
522 2018-05-15 Jason Merrill <jason@redhat.com>
524 * cp-tree.h (cp_expr): Remove copy constructor.
525 * mangle.c (struct releasing_vec): Declare copy constructor.
527 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
529 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
530 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
531 is a throw-expression.
533 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
535 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
536 (FOR_EACH_CLONE): Update.
537 * decl.c (grokdeclarator): Use it.
538 * decl2.c (vague_linkage_p): Likewise.
539 * mangle.c (mangle_decl): Likewise.
540 * method.c (lazily_declare_fn): Likewise.
541 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
542 * repo.c (repo_emit_p): Likewise.
543 * tree.c (decl_linkage): Likewise.
545 2018-05-14 Jason Merrill <jason@redhat.com>
547 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
548 * tree.c (build_cp_fntype_variant): New.
549 (build_ref_qualified_type, build_exception_variant)
550 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
551 (cxx_type_hash_eq, cp_check_qualified_type): Check
552 TYPE_HAS_LATE_RETURN_TYPE.
553 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
554 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
555 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
556 (adjust_clone_args): Likewise.
557 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
558 build_cp_fntype_variant.
559 (grokdeclarator): Pass late_return_type_p to grokfndecl.
560 (check_function_type): Use cxx_copy_lang_qualifiers.
561 (static_fn_type): Use cxx_copy_lang_qualifiers.
562 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
563 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
564 (change_return_type): Use cxx_copy_lang_qualifiers.
565 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
566 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
567 return type on the declarator like a normal trailing return type.
568 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
569 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
570 * typeck.c (merge_types): Use build_cp_fntype_variant.
572 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
574 * cp-tree.h (TYPE_REF_P): New.
575 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
576 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
577 direct_reference_binding, reference_binding, implicit_conversion,
578 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
579 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
580 build_over_call, perform_implicit_conversion_flags,
581 extend_ref_init_temps, type_has_extended_temps): Use it.
582 * class.c (one_inheriting_sig, check_field_decls,
583 check_bases_and_members, find_flexarrays, finish_struct,
584 fixed_type_or_null): Likewise.
585 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
586 non_const_var_error, cxx_eval_constant_expression,
587 potential_constant_expression_1): Likewise.
588 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
589 cp_genericize_r, cxx_omp_privatize_by_reference,
590 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
591 cp_fold_maybe_rvalue): Likewise.
592 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
593 * cvt.c (build_up_reference, convert_to_reference,
594 convert_from_reference, convert_to_void, noexcept_conv_p,
595 fnptr_conv_p): Likewise.
596 * decl.c (poplevel, check_for_uninitialized_const_var,
597 check_initializer, initialize_local_var, cp_finish_decl,
598 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
599 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
600 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
601 decl_maybe_constant_var_p): Likewise.
602 * error.c (dump_type_prefix, dump_expr): Likewise.
603 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
604 is_admissible_throw_operand_or_catch_parameter): Likewise.
605 * expr.c (mark_use): Likewise.
606 * init.c (build_zero_init_1, build_value_init_noctor,
607 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
608 build_new, build_delete): Likewise.
609 * lambda.c (build_lambda_object): Likewise.
610 * mangle.c (write_expression, write_template_arg): Likewise.
611 * method.c (forward_parm, do_build_copy_constructor,
612 do_build_copy_assign, build_stub_object, constructible_expr,
613 walk_field_subobs): Likewise.
614 * parser.c (cp_parser_omp_for_loop_init,
615 cp_parser_omp_declare_reduction_exprs,
616 cp_parser_omp_declare_reduction): Likewise.
617 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
618 convert_template_argument, tsubst_pack_expansion,
619 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
620 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
621 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
622 value_dependent_expression_p, build_deduction_guide): Likewise.
623 * semantics.c (finish_handler_parms, finish_non_static_data_member,
624 finish_compound_literal, omp_privatize_field,
625 handle_omp_array_sections_1, handle_omp_array_sections,
626 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
627 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
628 finish_omp_clauses, finish_decltype_type, capture_decltype,
629 finish_builtin_launder): Likewise.
630 * tree.c (lvalue_kind, cp_build_reference_type, move,
631 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
632 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
633 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
634 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
635 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
636 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
637 convert_for_initialization,
638 maybe_warn_about_returning_address_of_local, check_return_expr,
639 cp_type_quals, casts_away_constness, non_reference): Likewise.
640 * typeck2.c (cxx_readonly_error, store_init_value,
641 process_init_constructor_record, build_x_arrow, build_functional_cast,
642 add_exception_specifier): Likewise.
644 2018-05-14 Jason Merrill <jason@redhat.com>
646 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
647 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
649 2018-05-11 Jakub Jelinek <jakub@redhat.com>
652 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
653 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
654 cxx_omp_predetermined_sharing_1. Rename old function to ...
655 (cxx_omp_predetermined_sharing_1): ... this.
656 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
657 instead of cxx_omp_predetermined_sharing.
659 2018-05-10 Jason Merrill <jason@redhat.com>
661 * decl.c (cp_finish_decl): Don't instantiate auto variable.
662 (check_static_variable_definition): Allow auto.
663 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
665 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
666 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
668 Core issue 2310 - conversion to base of incomplete type.
669 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
671 CWG 2267 - list-initialization of reference temporary
672 * call.c (reference_binding): List-initializing a reference
673 temporary is copy-list-initialization.
675 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
677 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
678 instantiation in template context.
680 * class.c (vbase_has_user_provided_move_assign): Use
683 * lambda.c (lambda_expr_this_capture): Improve logic.
685 * decl.c (make_typename_type): s/parameters/arguments/.
686 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
687 * pt.c (make_pack_expansion): Correct error message.
689 2018-05-10 Jakub Jelinek <jakub@redhat.com>
692 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
693 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
696 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
699 * decl2.c (adjust_var_decl_tls_model): New static function.
700 (comdat_linkage): Call it on a variable.
701 (maybe_make_one_only): Likewise.
703 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
707 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
710 * parser.c (cp_parser_parameter_declaration_list): When the
711 entire parameter-declaration-list is erroneous maybe call
712 abort_fully_implicit_template.
714 2018-05-08 Jason Merrill <jason@redhat.com>
716 PR c++/85706 - class deduction under decltype
717 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
718 *walk_subtrees whether or not we walked into the operand.
719 (type_uses_auto): Only look at deduced contexts.
721 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
724 * parser.c (cp_parser_parameter_declaration_list): When the
725 entire parameter-declaration-list is erroneous maybe call
726 abort_fully_implicit_template.
728 2018-05-08 Marek Polacek <polacek@redhat.com>
731 * semantics.c (finish_if_stmt_cond): See through typedefs.
733 2018-05-07 Jason Merrill <jason@redhat.com>
735 PR c++/85646 - lambda visibility.
736 * decl2.c (determine_visibility): Don't mess with template arguments
737 from the containing scope.
738 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
741 2018-05-07 Nathan Sidwell <nathan@acm.org>
744 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
745 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
746 (SET_DECL_SHADOWED_FOR_VAR): Delete.
747 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
748 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
750 * name-lookup.h (struct cp_binding_level): Remove
751 dead_vars_from_for field.
752 * cp-lang.c (cp_init_ts): Delete.
753 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
754 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
755 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
756 (init_shadowed_var_for_decl): Delete.
757 * decl.c (poplevel): Remove shadowed for var handling.
758 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
759 * name-lookup.c (find_local_binding): Remove shadowed for var
761 (check_local_shadow): Likewise.
762 (check_for_out_of_scope_variable): Delete.
763 * parser.c (cp_parser_primary_expression): Remove shadowed for var
765 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
766 * semantics.c (begin_for_scope): Always have a scope.
767 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
768 (begin_range_for_stmt, finish_id_expression): Likewise.
770 2018-05-07 Jason Merrill <jason@redhat.com>
772 PR c++/85618 - ICE with initialized VLA.
773 * tree.c (vla_type_p): New.
774 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
775 rather than array_of_runtime_bound_p.
777 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
779 * cvt.c (ocp_convert): Early handle the special case of a
780 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
782 2018-05-03 Jason Merrill <jason@redhat.com>
784 PR c++/85600 - virtual delete failure.
785 * init.c (build_delete): Always save_expr when deleting.
787 2018-05-03 Nathan Sidwell <nathan@acm.org>
789 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
790 * name-lookup.c (do_pushdecl): Likewise.
792 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
793 Jason Merrill <jason@redhat.com>
796 * name-lookup.c (check_local_shadow): Don't handle static old
797 declarations in the block handling locals shadowing locals.
799 2018-05-01 Jason Merrill <jason@redhat.com>
801 PR c++/85587 - error with scoped enum in template.
802 * semantics.c (finish_qualified_id_expr): Don't return an
803 unqualified IDENTIFIER_NODE.
805 2018-04-30 Jason Merrill <jason@redhat.com>
807 PR c++/85580 - extern "C" and local variables
808 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
810 PR c++/84701 - unsigned typeof.
811 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
812 of long/short/signed/unsigned.
814 PR c++/85305 - pack in lambda init-capture.
815 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
816 check_for_bare_parameter_packs in a subexpression.
817 (cp_parser_lambda_introducer): Use it.
819 PR c++/61982 - dead stores to destroyed objects.
820 * call.c (build_trivial_dtor_call): New, assigns a clobber.
821 (build_over_call, build_special_member_call): Use it.
822 * cp-tree.h: Declare it.
823 * init.c (build_delete): Remove trivial path.
825 * init.c (build_dtor_call): Use build_special_member_call.
826 (build_delete): Remove redundant uses of save_addr.
828 * decl.c (build_clobber_this): Use build_clobber.
830 2018-04-27 Jakub Jelinek <jakub@redhat.com>
833 * init.c (build_zero_init_1): For zero initialization of
834 NULLPTR_TYPE_P type use build_int_cst directly.
836 2018-04-27 David Malcolm <dmalcolm@redhat.com>
839 * name-lookup.c (consider_binding_level): Skip compiler-generated
841 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
842 nested if statements into a series of rejection tests. Reject
843 lambda-ignored entities as suggestions.
845 2018-04-27 Jason Merrill <jason@redhat.com>
847 * cvt.c (cp_fold_convert): Use convert_ptrmem.
848 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
850 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
853 * decl.c (grokdeclarator): Clear friendp upon definition in local
854 class definition error.
856 2018-04-27 Jason Merrill <jason@redhat.com>
858 PR c++/85545 - ICE with noexcept PMF conversion.
859 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
861 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
863 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
865 2018-04-27 Nathan Sidwell <nathan@acm.org>
867 * typeck.c (convert_ptrmem): Move local var decls to initialization.
869 * cp-tree.h (TEMPLATE_INFO): Fix comments.
870 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
871 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
872 (dump, print_other_binding_stacks): Remove declarations.
873 * name-lookup.c (print_other_binding_stack): Make static.
874 * pt.c (build_template_decl): Make static.
876 2018-04-26 Jason Merrill <jason@redhat.com>
878 PR c++/85545 - ICE with noexcept PMF conversion.
879 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
881 2018-04-25 Nathan Sidwell <nathan@acm.org>
885 * cp-tree.h (REINTERPRET_CAST_P): New.
886 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
887 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
888 for non-trivial PTRMEM_CST cases.
889 * typeck.c (build_nop_reinterpret): New.
890 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
891 NOP_EXPRs returned by cp_convert.
893 2018-04-23 Jason Merrill <jason@redhat.com>
895 PR c++/69560 - wrong alignof(double) on x86.
896 CWG 1879 - Inadequate definition of alignment requirement.
897 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
898 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
899 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
900 (cxx_alignof_expr): Pass it.
901 * parser.c (cp_parser_unary_expression): Pass it.
902 * pt.c (tsubst_copy): Copy it.
903 (tsubst_copy_and_build): Pass it.
904 * decl.c (fold_sizeof_expr): Pass it.
906 2018-04-23 Jakub Jelinek <jakub@redhat.com>
907 Jason Merrill <jason@redhat.com>
909 PR c++/85470 - wrong error with static data member.
910 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
911 * typeck2.c (store_init_value): Likewise.
913 2018-04-20 Jakub Jelinek <jakub@redhat.com>
916 * cp-tree.h (tinst_level): Remove in_system_header_p member,
917 change refcount member from unsigned char to unsigned short,
918 add refcount_infinity static data member, adjust comments.
919 * pt.c (tinst_level::refcount_infinity): Define.
920 (inc_refcount_use): Remove assert, don't increment if refcount
921 is already refcount_infinity, adjust comment.
922 (dec_refcount_use): Remove assert, don't decrement if refcount
923 is refcount_infinity, adjust comment.
924 (push_tinst_level_loc): Formatting fix.
926 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
929 * pt.c (lookup_template_class_1): Check pushtag return value for
932 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
935 * cp-tree.h (tinst_level::free): Fix whitespace.
937 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
940 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
943 2018-04-18 Jakub Jelinek <jakub@redhat.com>
946 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
947 tricks from here to ...
948 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
949 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
951 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
954 * cp-tree.h (struct tinst_level): Split decl into tldcl and
955 targs. Add private split_list_p, tree_list_p, and not_list_p
956 inline const predicates; to_list private member function
957 declaration; free public member function declaration; list_p,
958 get_node and maybe_get_node accessors, and refcount data
959 member. Narrow errors to unsigned short.
960 * error.c (print_instantiation_full_context): Use new
962 (print_instantiation_partial_context_line): Likewise. Drop
963 const from tinst_level-typed parameter.
964 * mangle.c (mangle_decl_string): Likewise.
965 * pt.c (freelist): New template class.
966 (tree_list_freelist_head): New var.
967 (tree_list_freelist): New fn, along with specializations.
968 (tinst_level_freelist_head): New var.
969 (pending_template_freelist_head): Likewise.
970 (tinst_level_freelist, pending_template_freelist): New fns.
971 (tinst_level::to_list, tinst_level::free): Define.
972 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
973 (set_refcount_ptr): New template fn.
974 (add_pending_template): Adjust for refcounting, freelists and
976 (neglectable_inst_p): Take a NULL d as a non-DECL.
977 (limit_bad_template_recursion): Use new accessors.
978 (push_tinst_level): New overload to create the list.
979 (push_tinst_level_loc): Make it static, split decl into two
980 args, adjust tests and initialization to cope with split
981 lists, use freelist, adjust for refcounting.
982 (push_tinst_level_loc): New wrapper with the old interface.
983 (pop_tinst_level): Adjust for refcounting.
984 (record_last_problematic_instantiation): Likewise.
985 (reopen_tinst_level): Likewise. Use new accessors.
986 (instantiate_alias_template): Adjust for split list.
987 (fn_type_unification): Likewise.
988 (get_partial_spec_bindings): Likewise.
989 (instantiate_pending_templates): Use new accessors. Adjust
990 for refcount. Release pending_template to freelist.
991 (instantiating_current_function_p): Use new accessors.
993 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
996 * parser.c (cp_parser_builtin_offset): Reject type definitions.
997 * mangle.c (nested_anon_class_index): Avoid crash returning -1
998 if we've seen errors.
1000 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1003 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1004 checking that the use is indeed before the definition.
1005 (macro_use_before_def::macro_use_before_def): Make private.
1006 (macro_use_before_def::~macro_use_before_def): Make private. Move
1007 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1008 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1009 than using new directly.
1011 2018-04-12 Jason Merrill <jason@redhat.com>
1013 PR c++/85356 - ICE with pointer to member function.
1014 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1015 flag_noexcept_type. Build the new spec within the function context.
1016 * except.c (build_noexcept_spec): Do get constant value in templates
1017 if flag_noexcept_type.
1018 * decl.c (check_redeclaration_exception_specification): Don't
1019 instantiate noexcept on a dependent declaration.
1021 2018-04-12 Marek Polacek <polacek@redhat.com>
1024 * constexpr.c (reduced_constant_expression_p): Return false for null
1027 2018-04-11 Marek Polacek <polacek@redhat.com>
1030 * constexpr.c (potential_constant_expression_1): Consider conversions
1031 from classes to literal types potentially constant.
1033 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1036 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1037 the type like TYPE_PTR_OR_PTRMEM_P.
1039 2018-04-10 Jason Merrill <jason@redhat.com>
1041 PR debug/65821 - wrong location for main().
1042 * call.c (clear_location_r, convert_default_arg): Revert.
1043 * tree.c (break_out_target_exprs): Add clear_location parm.
1044 (struct bot_data): New.
1045 (bot_manip): Clear location if requested.
1046 * init.c (get_nsdmi): Pass clear_location.
1048 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1051 * call.c (get_fndecl_argument_location): Make non-static.
1052 * cp-tree.h (get_fndecl_argument_location): New decl.
1053 * typeck.c (convert_for_assignment): When complaining due to
1054 conversions for an argument, show the location of the parameter
1057 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1059 PR c++/85312 - P0962 cleanup
1060 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1063 2018-04-10 Jason Merrill <jason@redhat.com>
1065 PR debug/65821 - wrong location for main().
1066 * call.c (clear_location_r): New.
1067 (convert_default_arg): Use it.
1068 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1070 PR c++/85285 - ICE with flexible array after substitution.
1071 * pt.c (instantiate_class_template_1): Check for flexible array in
1074 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1077 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1078 issue a pedwarn and defer trying to do bindings.
1080 2018-04-09 Jason Merrill <jason@redhat.com>
1082 PR c++/85279 - dump_expr doesn't understand decltype.
1083 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1085 PR c++/85262 - ICE with redundant qualification on constructor.
1086 * call.c (build_new_method_call_1): Move make_args_non_dependent
1087 after A::A() handling.
1089 PR c++/85277 - ICE with invalid offsetof.
1090 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1091 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1093 PR c++/85264 - ICE with excess template-parameter-list.
1094 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1095 parameter. Don't allow an extra template header if true.
1096 (cp_parser_class_head): Pass template_id_p.
1097 (cp_parser_elaborated_type_specifier): Likewise.
1098 (cp_parser_alias_declaration): Likewise.
1099 (cp_parser_check_declarator_template_parameters): Likewise.
1101 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1104 * parser.c (cp_parser_simple_declaration): For structured bindings,
1105 if *maybe_range_for_decl is NULL after parsing it, set it to
1108 2018-04-09 Jason Merrill <jason@redhat.com>
1110 PR c++/85256 - ICE capturing pointer to VLA.
1111 * lambda.c (add_capture): Distinguish between variable-size and
1112 variably-modified types.
1114 2018-04-06 Jason Merrill <jason@redhat.com>
1116 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1117 * pt.c (extract_locals_r): Remember local typedefs.
1119 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1122 * name-lookup.c (struct std_name_hint): Move out of
1123 get_std_name_hint; add field "min_dialect".
1124 (get_std_name_hint): Add min_dialect values to all initializers.
1125 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1126 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1127 <shared_mutex>, <string_view>, <thread>, and <variant>.
1128 Add fstream, ifstream, and ofstream to <fstream>.
1129 Add istringstream, ostringstream, and stringstream to <sstream>.
1130 Add basic_string to <string>.
1131 Add tuple_element and tuple_size to <tuple>.
1132 Add declval to <utility>.
1133 Fix ordering of <queue> and <tuple>.
1134 Return a std_name_hint, rather than a const char *.
1135 (get_cxx_dialect_name): New function.
1136 (maybe_suggest_missing_std_header): Detect names that aren't yet
1137 available in the current dialect, and instead of suggesting a
1138 missing #include, warn about the dialect.
1140 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1143 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1144 errorcount is set if tsubst doesn't return a VAR_DECL.
1146 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1149 * name-lookup.c (using_directives_contain_std_p): New function.
1150 (has_using_namespace_std_directive_p): New function.
1151 (suggest_alternatives_for): Simplify if/else logic using early
1152 returns. If no candidates were found, and there's a
1153 "using namespace std;" directive, call
1154 maybe_suggest_missing_std_header.
1155 (maybe_suggest_missing_header): Split later part of the function
1157 (maybe_suggest_missing_std_header): New.
1159 2018-04-06 Jason Merrill <jason@redhat.com>
1161 PR c++/85242 - ICE with class definition in template parm.
1162 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1163 processing_template_parmlist.
1165 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1166 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1168 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1171 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1172 is not prev, if prev == decl.
1175 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1176 maybe_apply_pragma_weak here...
1177 (cp_maybe_mangle_decomp): ... but call it here instead.
1179 2018-04-05 Jason Merrill <jason@redhat.com>
1181 PR c++/85136 - ICE with designated init in template.
1182 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1183 designated initializer.
1184 (check_array_designated_initializer): Update ce->index with the
1187 PR c++/83808 - ICE with VLA initialization.
1188 * typeck2.c (process_init_constructor_array): Don't require a VLA
1189 initializer to have VLA type.
1191 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1194 * call.c (convert_like_real): Fail gracefully for a broken
1195 std::initializer_list, missing a definition.
1197 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1199 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1202 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1203 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1205 2018-04-05 Jason Merrill <jason@redhat.com>
1207 PR c++/82152 - ICE with class deduction and inherited ctor.
1208 * pt.c (do_class_deduction): Ignore inherited ctors.
1210 PR c++/84665 - ICE with array of empty class.
1211 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1213 PR c++/85228 - ICE with lambda in enumerator in template.
1214 * pt.c (bt_instantiate_type_proc): Don't assume
1215 CLASSTYPE_TEMPLATE_INFO is non-null.
1217 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1220 * decl.c (find_decomp_class_base): Check accessibility instead
1221 of declared access, adjust diagnostic.
1223 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1226 * decl.c (get_tuple_decomp_init): Check the templatedness
1229 2018-04-05 Jason Merrill <jason@redhat.com>
1231 PR c++/85200 - ICE with constexpr if in generic lambda.
1232 * pt.c (extract_locals_r): Don't record the local specs of variables
1233 declared within the pattern.
1235 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1238 * pt.c (check_auto_in_tmpl_args): New.
1239 (tsubst_qualified_id): Use it to reject template args
1240 referencing auto for non-type templates.
1241 * parser.c (cp_parser_template_id): Likewise.
1242 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1243 * typeck2.c (build_functional_cast): Report correct location
1244 for invalid use of auto.
1246 2018-04-04 Jason Merrill <jason@redhat.com>
1248 PR c++/85215 - ICE with copy-init from conversion.
1249 * call.c (merge_conversion_sequences): Fix type of direct binding
1252 PR c++/84938 - ICE with division by ~-1.
1253 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1255 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1256 * parser.c (cp_parser_mem_initializer_list): Call
1257 check_for_bare_parameter_packs.
1259 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1262 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1263 builtin_valid_in_constant_expr_p functions, don't call
1264 cxx_eval_constant_expression if argument is not
1265 potential_constant_expression.
1268 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1270 * semantics.c (calculate_bases): Add complain argument. Use
1271 complete_type_or_maybe_complain instead of just complete_type and
1272 return an empty vector if it fails. Move make_tree_vector () call
1273 after early return. Formatting fixes.
1274 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1276 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1277 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1278 calculate_direct_bases callers, formatting fixes.
1280 2018-04-04 Jason Merrill <jason@redhat.com>
1282 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1283 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1285 PR c++/85200 - ICE with constexpr if in generic lambda.
1286 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1288 PR c++/84221 - bogus -Wunused with attribute and template.
1289 * decl2.c (is_late_template_attribute): Handle unused and used
1290 normally on non-TYPE_DECL.
1292 PR c++/85135 - ICE with omitted template arguments.
1293 * decl.c (grokdeclarator): Catch deduced class type in trailing
1296 PR c++/85133 - ICE with missing concept initializer.
1297 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1300 PR c++/85118 - wrong error with generic lambda and std::bind.
1301 * call.c (add_template_conv_candidate): Disable if there are any
1304 PR c++/85141 - ICE with compound assignment and static member fn.
1305 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1306 compound assignment.
1308 PR c++/85148 - ICE with 'this' in array NSDMI.
1309 * tree.c (replace_placeholders_r): Use handled_component_p.
1311 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1314 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1315 * parser.c (cp_parser_unqualified_id): ..not here.
1317 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1320 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1322 * decl2.c (mark_used): Return without effects if tf_conv.
1324 2018-04-03 Jason Merrill <jason@redhat.com>
1326 PR c++/85092 - C++17 ICE with unused list constructor.
1327 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1330 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1331 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1332 __builtin_constant_p if ctx->quiet.
1334 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1337 * pt.c (rewrite_template_parm): If the first argument is
1338 error_mark_node return it immediately.
1339 (build_deduction_guide): Check the return value of the
1340 latter for error_mark_node.
1341 (do_class_deduction): Check the return value of the latter.
1343 2018-04-03 Jason Merrill <jason@redhat.com>
1345 * semantics.c (finish_if_stmt_cond): Use
1346 instantiation_dependent_expression_p.
1348 PR c++/85149 - generic lambda and constexpr if.
1349 * pt.c (build_extra_args, add_extra_args): Split from
1350 tsubst_pack_expansion.
1351 (tsubst_expr) [IF_STMT]: Use them.
1352 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1354 * typeck.c (merge_types): Limit matching attribute shortcut to
1357 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1360 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1363 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1367 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1368 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1369 instead for static data members clear init and set DECL_EXTERNAL.
1371 2018-04-02 Jason Merrill <jason@redhat.com>
1373 PR c++/64095 - auto... parameter pack.
1374 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1376 (cp_parser_parameter_declaration_list): Not here.
1378 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1381 * class.c (instantiate_type): Peel off SAVE_EXPR before
1384 2018-03-30 Jason Merrill <jason@redhat.com>
1386 * typeck2.c (process_init_constructor_record): Use
1387 init_list_type_node for the CONSTRUCTOR around an anonymous union
1388 designated initializer.
1390 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1393 * semantics.c (finish_omp_reduction_clause): If
1394 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1395 even if processing_template_decl.
1397 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1400 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1401 <tuple>, and <utility>.
1403 2018-03-29 Jason Merrill <jason@redhat.com>
1405 PR c++/85093 - too many template args with pack expansion.
1406 * pt.c (coerce_template_parms): Keep pack expansion args that will
1409 2018-03-29 Jason Merrill <jason@redhat.com>
1411 * pt.c (build_non_dependent_expr): Propagate expr location.
1413 2018-03-27 Jason Merrill <jason@redhat.com>
1415 PR c++/85060 - wrong-code with call to base member in template.
1416 * search.c (any_dependent_bases_p): Check uses_template_parms
1417 rather than processing_template_decl.
1419 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1422 * typeck.c (convert_for_assignment): When complaining due to
1423 conversions for an argument, attempt to use the location of the
1426 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1429 * pt.c (tsubst_default_argument): Early return if the type of the
1430 parameter is erroneous.
1432 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1435 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1439 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1441 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1444 * method.c (defaulted_late_check): Partially revert r253321 changes,
1445 do not early return upon error.
1447 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1450 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1451 type call fold to generate VECTOR_CSTs when possible.
1454 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1455 return it right away.
1457 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1459 * search.c (check_final_overrider): Use inform instead of error
1460 for the diagnostics of the overridden functions. Tweak wording.
1462 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1465 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1466 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1468 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1469 Jason Merrill <jason@redhat.com>
1472 * init.c (build_aggr_init): When initializing from array,
1473 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1474 (build_vec_init): Handle separately ARRAY_TYPEs.
1476 2018-03-26 Jason Merrill <jason@redhat.com>
1478 PR c++/85062 - ICE with alignas in wrong place.
1479 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1482 PR c++/85049 - ICE with __integer_pack.
1483 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1484 * cp-tree.h (TEMPLATE_PARM_P): New.
1486 2018-03-23 Jason Merrill <jason@redhat.com>
1488 PR c++/78489 - wrong SFINAE behavior.
1491 * pt.c (type_unification_real): Don't defer substitution failure.
1493 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1496 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1500 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1501 cp_build_unary_op call with gcc_unreachable ().
1503 2018-03-23 Marek Polacek <polacek@redhat.com>
1506 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1507 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1508 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1510 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1513 * parser.c (cp_parser_perform_range_for_lookup): Change
1514 the condition for deciding whether to use members.
1516 2018-03-23 Marek Polacek <polacek@redhat.com>
1519 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1521 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1524 * parser.c (cp_parser_alias_declaration): Call
1525 parser_check_template_parameters.
1528 * pt.c (resolve_typename_type): Drop assert that stopped
1529 simplification to template-independent types. Add assert to
1530 verify the initial scope is template dependent.
1531 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1532 Reparse the id expression as a type-name, not a declarator.
1535 * init.c (build_vec_init): Error at parenthesized array init.
1540 * cp-tree.h (temp_override): New template class, generalizing
1541 a cleanup that was only used...
1542 * parser.c (cp_parser_parameter_declaration_clause):
1543 ... here for auto_is_implicit_function_template_parm_p.
1544 (cp_parser_gnu_attributes_opt): Use it here as well.
1545 (cp_parser_std_attribute): Likewise.
1547 2018-03-22 Marek Polacek <polacek@redhat.com>
1550 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1553 2018-03-21 Jason Merrill <jason@redhat.com>
1555 PR c++/81311 - wrong C++17 overload resolution.
1556 * call.c (build_user_type_conversion_1): Remove C++17 code.
1557 (conv_binds_ref_to_prvalue): New.
1558 (build_over_call): Handle C++17 copy elision.
1559 (build_special_member_call): Only do C++17 copy elision here if the
1560 argument is already the right type.
1562 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1565 * init.c (build_vec_init): Silence error, former sorry,
1570 * parser.c (abort_fully_implicit_template_p): New.
1571 (cp_parser_skip_to_end_of_statement): Use it.
1572 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1573 (finish_fully_implicit_template_p): Clear
1574 implicit_template_parms and implicit_template_scope.
1576 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1579 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1580 error_mark_node when check_array_designated_initializer fails.
1582 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1585 * cp-tree.h (genericize_compound_lvalue): Declare.
1586 * typeck.c (genericize_compound_lvalue): New function.
1587 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1588 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1589 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1590 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1591 COMPOUND_EXPR operand.
1593 2018-03-21 Nathan Sidwell <nathan@acm.org>
1596 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1597 * decl2.c (vague_linkage_p): Likewise.
1599 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1602 * constexpr.c (constexpr_fn_retval): Make non-"static".
1603 * cp-tree.h (constexpr_fn_retval): New decl.
1604 * search.c (direct_accessor_p): Update leading comment.
1605 (reference_accessor_p): Likewise.
1606 (field_accessor_p): Replace check that function body is a
1607 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1608 indentation of "field_type" decl.
1610 2018-03-21 Nathan Sidwell <nathan@acm.org>
1613 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1616 2018-03-21 Martin Sebor <msebor@redhat.com>
1619 * call.c (first_non_public_field): New template and function.
1620 (first_non_trivial_field): New function.
1621 (maybe_warn_class_memaccess): Call them.
1623 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1626 * search.c (field_accessor_p): Use class_of_this_parm rather than
1627 type_of_this_parm, to check that "this" is a "const T *", rather
1630 2018-03-21 Nathan Sidwell <nathan@acm.org>
1632 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1633 other than public non-static data members.
1634 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1635 parenthesized initializer.
1638 * name-lookup.c (update_binding): Correct logic for local binding
1641 2018-03-21 Marek Polacek <polacek@redhat.com>
1643 PR c++/71638, ICE with NSDMI and reference.
1644 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1645 even when we replace an element.
1647 2018-03-20 Marek Polacek <polacek@redhat.com>
1649 PR c++/84978, ICE with NRVO.
1650 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1651 a RESULT_DECL isn't in the hash map.
1653 2018-03-20 Jason Merrill <jason@redhat.com>
1655 PR c++/84978, ICE with NRVO.
1656 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1657 (cp_get_callee_fndecl_nofold): New.
1658 * cp-gimplify.c (cp_genericize_r): Use it instead.
1659 * call.c (check_self_delegation): Likewise.
1661 2018-03-20 Nathan Sidwell <nathan@acm.org>
1664 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1665 member_vec, if there is one.
1668 * cp-tree.h (lookup_list_keep): Declare.
1669 * tree.c (lookup_list_keep): New, broken out of ...
1670 (build_min): ... here. Call it.
1671 * decl.c (cp_finish_decl): Call lookup_list_keep.
1673 2018-03-19 Jason Merrill <jason@redhat.com>
1675 PR c++/84937 - ICE with class deduction and auto.
1676 * pt.c (rewrite_template_parm): Fix auto handling.
1678 2018-03-19 Marek Polacek <polacek@redhat.com>
1681 * pt.c (enclosing_instantiation_of): Check if fn is null.
1684 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1685 as we evaluate the elements.
1686 (cxx_eval_constant_expression): Verify constructor's flags
1689 2018-03-19 Jason Merrill <jason@redhat.com>
1691 PR c++/71834 - template-id with too few arguments.
1692 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1694 2018-03-19 Nathan Sidwell <nathan@acm.org>
1697 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1698 * pt.c (build_template_decl): Propagate language linkage.
1701 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1704 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1707 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1709 * method.c (synthesize_method): Likewise.
1710 * pt.c (convert_nontype_argument): Likewise.
1712 2018-03-16 Jason Merrill <jason@redhat.com>
1714 PR c++/84720 - ICE with rvalue ref non-type argument.
1715 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1716 (convert_nontype_argument): Revert earlier change.
1718 PR c++/80227 - SFINAE and negative array size.
1719 * decl.c (compute_array_index_type): Use
1720 build_converted_constant_expr and valid_constant_size_p.
1722 PR c++/84906 - silent wrong code with ambiguous conversion.
1723 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1724 ambiguous conversion.
1725 (convert_like_real): Check it.
1727 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1728 * call.c (build_special_member_call): Don't convert an init-list
1729 argument directly to the class type.
1731 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1735 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1736 (find_placeholder): Declare.
1737 * tree.c (struct replace_placeholders_t): Add exp member.
1738 (replace_placeholders_r): Don't walk into ctors with
1739 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1740 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1741 (replace_placeholders): Initialize data.exp.
1742 (find_placeholders_r, find_placeholders): New functions.
1743 * typeck2.c (process_init_constructor_record,
1744 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1745 if adding NSDMI on which find_placeholder returns true.
1746 * call.c (build_over_call): Don't call replace_placeholders here.
1747 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1748 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1749 TARGET_EXPR_INITIAL.
1750 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1753 2018-03-16 Jason Merrill <jason@redhat.com>
1755 PR c++/83911 - ICE with multiversioned constructor.
1756 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1758 * call.c (build_over_call): Not here.
1760 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1763 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1764 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1766 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1769 * cp-tree.h (cp_warn_deprecated_use): Declare.
1770 * tree.c (cp_warn_deprecated_use): New function.
1771 * typeck2.c (build_functional_cast): Use it.
1772 * decl.c (grokparms): Likewise.
1773 (grokdeclarator): Likewise. Temporarily push nested class scope
1774 around grokparms call for out of class member definitions.
1776 2018-03-14 Jason Merrill <jason@redhat.com>
1778 PR c++/84820 - no error for invalid qualified-id.
1779 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1780 cp_error_declarator.
1782 PR c++/84801 - ICE with unexpanded pack in lambda.
1783 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1784 lambda in non-template context.
1786 PR c++/81236 - auto variable and auto function
1787 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1790 2018-03-14 Jason Merrill <jason@redhat.com>
1792 PR c++/83916 - ICE with template template parameters.
1793 * pt.c (convert_template_argument): Don't substitute into type of
1794 non-type parameter if we don't have enough arg levels.
1797 2018-03-14 Marek Polacek <polacek@redhat.com>
1800 * semantics.c (finish_static_assert): Check
1801 instantiation_dependent_expression_p instead of
1802 {type,value}_dependent_expression_p.
1804 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1805 Jason Merrill <jason@redhat.com>
1807 PR c++/82336 - link error with list-init default argument.
1808 * decl.c (check_default_argument): Unshare an initializer list.
1810 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1813 * decl.c (duplicate_decls): For redefinition of built-in, use error
1814 and return error_mark_node. For redeclaration, return error_mark_node
1815 rather than olddecl if !flag_permissive.
1817 2018-03-13 Jason Merrill <jason@redhat.com>
1819 PR c++/82565 - ICE with concepts and generic lambda.
1820 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1822 2018-03-13 Jason Merrill <jason@redhat.com>
1824 PR c++/84720 - ICE with rvalue ref non-type argument.
1825 * pt.c (convert_nontype_argument): Handle rvalue references.
1827 PR c++/84839 - ICE with decltype of parameter pack.
1828 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1829 instantiating dummy parms.
1831 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1832 parameter even without -Wpedantic.
1834 PR c++/84798 - ICE with auto in abstract function declarator.
1835 * parser.c (cp_parser_parameter_declaration_clause): Check
1836 parser->default_arg_ok_p.
1838 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1841 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1842 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1843 sizetype. Formatting fixes.
1845 2018-03-12 Jason Merrill <jason@redhat.com>
1847 PR c++/84355 - ICE with deduction for member class template.
1848 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1849 CLASS_PLACEHOLDER_TEMPLATE.
1851 PR c++/84802 - ICE capturing uninstantiated class.
1852 * lambda.c (build_capture_proxy): Call complete_type.
1854 2018-03-09 Jason Merrill <jason@redhat.com>
1856 PR c++/84770 - ICE with typedef and parameter pack.
1857 * pt.c (verify_unstripped_args_1): Split out from
1858 verify_unstripped_args.
1860 PR c++/84785 - ICE with alias template and default targs.
1861 * pt.c (type_unification_real): Set processing_template_decl if
1864 PR c++/84752 - ICE with capture of constexpr array.
1865 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1866 identity conversion under ck_lvalue.
1868 2018-03-09 Jason Merrill <jason@redhat.com>
1869 Paolo Carlini <paolo.carlini@oracle.com>
1873 * pt.c (any_erroneous_template_args_p): New.
1874 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1875 * parser.c (cp_parser_class_specifier_1): Use it.
1877 2018-03-09 Jason Merrill <jason@redhat.com>
1879 PR c++/84726 - unnecessary capture of constant vars.
1880 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1881 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1882 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1883 * lambda.c (is_constant_capture_proxy)
1884 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1885 (prune_lambda_captures): New.
1886 (finish_lambda_function): Call prune_lambda_captures.
1888 2018-03-09 Jason Merrill <jason@redhat.com>
1889 Jakub Jelinek <jakub@redhat.com>
1892 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1893 build ADDR_EXPR with REFERENCE_TYPE.
1894 (build_over_call): For purposes of check_function_arguments, if
1895 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1896 its operand rather than the argument itself.
1898 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1901 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1902 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1903 also a note and return olddecl.
1905 2018-03-09 Nathan Sidwell <nathan@acm.org>
1908 * name-lookup.c (do_pushdecl_with_scope): Only clear
1909 current_function_decl when pushing a non-class (i.e. namespace)
1912 2018-03-08 Jason Merrill <jason@redhat.com>
1913 Jakub Jelinek <jakub@redhat.com>
1916 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1917 not calling mark_used for the benefit of -Wunused-function warning.
1919 2018-03-06 Jason Merrill <jason@redhat.com>
1921 * lambda.c (is_capture_proxy_with_ref): Remove.
1922 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1924 2018-03-06 Marek Polacek <polacek@redhat.com>
1927 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1930 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1933 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1934 only while processing template decls.
1935 * typeck.c (build_x_conditional_expr): Move wrapping of
1936 reference type around type...
1937 * call.c (build_conditional_expr_1): ... here. Rename
1938 is_lvalue to is_glvalue.
1939 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1940 INDIRECT_REF of COND_EXPR too.
1943 * init.c (build_zero_init_1): Zero-initialize references.
1946 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1947 overloads used as stmt expr values.
1949 2018-03-05 Jason Merrill <jason@redhat.com>
1951 PR c++/84708 - ICE with lambda in local class NSDMI.
1952 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1955 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1958 * constexpr.c (constexpr_call_hasher::equal): Return false if
1959 lhs->hash != rhs->hash. Change return 1 to return true and
1960 return 0 to return false.
1962 2018-03-05 Nathan Sidwell <nathan@acm.org>
1965 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1967 2018-03-05 Marek Polacek <polacek@redhat.com>
1970 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1973 2018-03-05 Nathan Sidwell <nathan@acm.org>
1976 * friend.c (do_friend): Restore check for identifier_p inside
1979 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1982 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1983 involving a VAR_DECL or a PARM_DECL.
1985 2018-03-05 Pádraig Brady <P@draigBrady.com>
1986 Jason Merrill <jason@redhat.com>
1987 Nathan Sidwell <nathan@acm.org>
1990 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1992 2018-03-03 Jason Merrill <jason@redhat.com>
1994 PR c++/84686 - missing volatile loads.
1995 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1997 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2000 * optimize.c (maybe_thunk_body): Bail out immediately if either
2001 fns[0] or fns[1] is null.
2003 2018-03-02 Marek Polacek <polacek@redhat.com>
2006 * constexpr.c (get_array_or_vector_nelts): New.
2007 (cxx_eval_array_reference): Use it.
2008 (cxx_eval_vec_init_1): Likewise.
2009 (cxx_eval_store_expression): Likewise.
2011 2018-03-02 Jason Merrill <jason@redhat.com>
2013 * semantics.c (force_paren_expr): Remove redundant test.
2015 2018-03-02 Marek Polacek <polacek@redhat.com>
2018 * decl.c (cp_complete_array_type): Check error_mark_node.
2021 * typeck.c (cp_perform_integral_promotions): Check the result of
2024 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2027 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2028 RETURN instead of return.
2029 <case POINTER_PLUS_EXPR>: Likewise.
2030 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2031 it instead of wrapping it into CONVERT_EXPR.
2033 2018-03-02 Jason Merrill <jason@redhat.com>
2036 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2038 2018-03-02 Marek Polacek <polacek@redhat.com>
2041 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2042 wrapped in VIEW_CONVERT_EXPR.
2044 2018-03-01 Martin Sebor <msebor@redhat.com>
2047 * decl.c (check_redeclaration_no_default_args): Merge attributes
2048 specified on redeclarations of the same function template.
2051 2018-03-01 Marek Polacek <polacek@redhat.com>
2052 Jason Merrill <jason@redhat.com>
2055 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2057 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2058 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2059 of instantiate_non_dependent_expr.
2060 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2062 2018-03-01 Nathan Sidwell <nathan@acm.org>
2065 * name-lookup.c (member_vec_dedup): Remove manually peeled
2066 iteration. Ignore dependent ctor inheritance.
2068 2018-03-01 Jason Merrill <jason@redhat.com>
2070 PR c++/71569 - decltype of template.
2071 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2073 2018-03-01 Marek Polacek <polacek@redhat.com>
2076 * constexpr.c (require_rvalue_constant_expression): New function.
2077 * cp-tree.h: Declare it.
2078 * semantics.c (finish_static_assert): Use it instead of
2079 require_potential_rvalue_constant_expression.
2081 2018-03-01 Jason Merrill <jason@redhat.com>
2082 Alexandre Oliva <aoliva@redhat.com>
2084 PR c++/71569 - ICE with redundant args on member variable template.
2085 * decl.c (start_decl): Handle partial specialization of member
2087 * pt.c (determine_specialization): Allow partial specialization
2088 of member variable template without specializing enclosing class.
2089 (process_partial_specialization): Improve error message.
2091 2018-02-28 Jason Merrill <jason@redhat.com>
2093 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2094 * pt.c (determine_specialization): Check ref-qualifier.
2096 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2099 * parser.c (cp_parser_attributes_opt): Formatting fix.
2100 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2101 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2103 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2104 instead of tentative parse to peek over optional attribute tokens
2105 to check for CPP_COLON after them.
2109 * pt.c (INCLUDE_STRING): Remove define.
2110 (warn_spec_missing_attributes): Use pretty_printer instead of
2111 std::string. Fix up inform call so that the list of attributes
2114 2018-02-28 Martin Sebor <msebor@redhat.com>
2117 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2120 2018-02-28 Nathan Sidwell <nathan@acm.org>
2123 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2124 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2125 regardless of want_type.
2126 (search_anon_aggr): Just use get_class_binding_direct.
2128 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2130 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2133 2018-02-27 Martin Sebor <msebor@redhat.com>
2135 * pt.c: Avoid including <string> directly.
2137 2018-02-27 Martin Sebor <msebor@redhat.com>
2141 * cp-tree.h (warn_spec_missing_attributes): New function.
2142 ((check_explicit_specialization): Add an argument. Call the above
2144 * decl.c (duplicate_decls): Avoid applying primary function template's
2145 attributes to its explicit specializations.
2146 cp/pt.c (warn_spec_missing_attributes): Define.
2148 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
2150 PR c++/71546 - lambda init-capture with qualified-id.
2151 * parser.c (cp_parser_lambda_introducer): Clear scope after
2152 each lambda capture.
2154 2018-02-27 Nathan Sidwell <nathan@acm.org>
2157 * name-lookup.h (get_member_slot): Rename ...
2158 (find_member_slot): ... here.
2159 (add_member_slot): New.
2160 * name-lookup.c (member_vec_linear_search): No need to check for
2162 (get_member_slot): Rename ...
2163 (find_member_slot): ... here. Don't add slot for incomplete class.
2164 (add_member_slot): New.
2165 * class.c (add_method): Adjust get_member_slot rename. Bail out
2166 if push_class_level_binding fails. Create slot and grok
2167 properties once we're committed to insertion.
2169 2018-02-27 Jason Merrill <jason@redhat.com>
2171 PR c++/84489 - dependent default template argument
2172 * pt.c (type_unification_real): Handle early substitution failure.
2174 2018-02-26 Jason Merrill <jason@redhat.com>
2176 PR c++/84560 - ICE capturing multi-dimensional VLA.
2177 * tree.c (array_of_runtime_bound_p): False if the element is
2180 PR c++/84441 - ICE with base initialized from ?:
2181 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2183 PR c++/84520 - ICE with generic lambda in NSDMI.
2184 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2185 'this' in a generic lambda instantiation.
2187 PR c++/84559 - ICE with constexpr VLA.
2188 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2189 for constexpr variable with VLA type.
2191 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2194 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2195 a valid constant initializer. Formatting fixes.
2197 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2200 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2201 returning NULL_TREE.
2202 (apply_late_template_attributes): Likewise.
2204 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2207 * parser.c (cp_parser_omp_var_list_no_open): Only call
2208 cp_parser_lookup_name_simple on names satisfying identifier_p.
2209 (cp_parser_oacc_routine): Likewise.
2211 2018-02-26 Jason Merrill <jason@redhat.com>
2213 PR c++/84551 - ICE with concepts and -g.
2214 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2216 2018-02-26 Marek Polacek <polacek@redhat.com>
2219 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2222 2018-02-26 Jason Merrill <jason@redhat.com>
2224 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2225 * call.c (build_over_call): Handle deleted functions in one place.
2227 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2230 * decl.c (redeclaration_error_message): Don't try to use
2231 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2233 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2235 * lambda.c (build_capture_proxy): Define static.
2236 * cp-tree.h (build_capture_proxy): Remove.
2238 2018-02-26 Marek Polacek <polacek@redhat.com>
2241 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2242 if name is error node.
2244 2018-02-25 Jason Merrill <jason@redhat.com>
2246 PR c++/84015 - ICE with class deduction and auto template parm.
2247 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2249 2018-02-24 Marek Polacek <polacek@redhat.com>
2252 * constexpr.c (maybe_constant_init_1): New function.
2253 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2254 (cxx_constant_init): New function.
2255 * cp-tree.h (cxx_constant_init): Declare.
2256 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2257 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2259 2018-02-22 Jason Merrill <jason@redhat.com>
2261 PR c++/70468 - ICE with constructor delegation via typedef.
2262 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2263 with constructor delegation.
2265 2018-02-22 Jason Merrill <jason@redhat.com>
2267 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2268 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2271 2018-02-22 Marek Polacek <polacek@redhat.com>
2274 * parser.c (cp_parser_braced_list): Use require_open instead of
2277 2018-02-21 Jason Merrill <jason@redhat.com>
2279 PR c++/84454 - ICE with pack expansion in signature.
2280 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2282 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2284 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2287 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2290 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2293 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2296 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2297 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2300 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2301 returns error_mark_node, return it immediately.
2302 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2303 error_mark_node, return error_mark_node.
2306 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2307 function_depth to avoid GC during finish_lambda_function.
2309 2018-02-19 Jason Merrill <jason@redhat.com>
2311 PR c++/84429 - ICE capturing VLA.
2312 * lambda.c (build_capture_proxy): Handle reference refs.
2314 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2317 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2318 either operand is error_mark_node, set current.lhs to that instead of
2319 creating a binary op with error_mark_node operands.
2322 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2324 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2327 * decl.c (grokdeclarator): Early return error_mark_node upon
2328 ill-formed friend declaration.
2330 2018-02-16 Marek Polacek <polacek@redhat.com>
2331 Jakub Jelinek <jakub@redhat.com>
2334 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2335 set *jump_target to anything if jump_target is NULL.
2337 2018-02-16 Jason Merrill <jason@redhat.com>
2339 PR c++/84151 - unnecessary volatile load with static member.
2340 * call.c (build_new_method_call_1): Avoid loading from a volatile
2341 lvalue used as the object argument for a static member function.
2343 PR c++/81853 - using-directive and constexpr.
2344 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2346 PR c++/84420 - ICE with structured binding in lambda.
2347 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2349 PR c++/83835 - C++17 error with constructor ctors.
2350 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2352 PR c++/82664 - ICE with reference to function template parm.
2353 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2356 PR c++/82764 - C++17 ICE with empty base
2357 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2359 2018-02-16 Jason Merrill <jason@redhat.com>
2361 PR c++/84421 - type-dependent if constexpr
2362 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2364 2018-02-16 Nathan Sidwell <nathan@acm.org>
2366 Deprecate -ffriend-injection.
2367 * decl.c (cxx_init_decl_processing): Emit warning on option.
2368 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2371 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2374 * decl.c (check_special_function_return_type): Reject template
2375 template parameter in deduction guide.
2377 2018-02-16 Nathan Sidwell <nathan@acm.org>
2380 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2382 2018-02-15 Jason Merrill <jason@redhat.com>
2384 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2385 * call.c (convert_like_real): Don't use the copy-list-initialization
2386 shortcut for ck_base.
2388 PR c++/84045 - ICE with typedef and noexcept.
2389 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2391 PR c++/84376 - ICE with omitted template arguments.
2392 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2394 PR c++/84368 - wrong error with local variable in variadic lambda.
2395 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2396 local_specializations.
2398 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2401 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2404 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2407 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2410 2018-02-14 Nathan Sidwell <nathan@acm.org>
2412 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2413 (c_parse_final_cleanups): Restore input_location after emitting
2416 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2418 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2419 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2420 auto_deduction_context, tree, int): Add defaults.
2421 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2422 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2423 tsubst_flags_t argument.
2424 * init.c (build_new): Likewise.
2426 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2429 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2430 about return other than *this in assignment operators if
2431 retval is type dependent expression.
2433 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2436 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2437 save_expr for the G++ extension.
2439 2018-02-13 Jason Merrill <jason@redhat.com>
2441 PR c++/84080 - ICE with return type deduction and specialization.
2442 * pt.c (determine_specialization): Check uses_template_parms.
2444 Fix more variadic capture issues.
2445 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2446 (check_for_bare_parameter_packs): Check current_class_type for
2448 (extract_locals_r): Handle seeing a full instantiation of a pack.
2449 (tsubst_pack_expansion): Likewise. Force lambda capture.
2450 * parser.c (cp_parser_lambda_introducer): Don't
2451 check_for_bare_parameter_packs.
2453 PR c++/84338 - wrong variadic sizeof.
2454 * pt.c (argument_pack_select_arg): Like the macro, but look through
2456 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2457 (extract_fnparm_pack): Do make_pack_expansion.
2458 (extract_locals_r): Do strip a pack expansion.
2459 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2461 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2464 * parser.c (cp_parser_binary_expression): Use build_min instead of
2465 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2467 2018-02-12 Nathan Sidwell <nathan@acm.org>
2470 * parser.c (cp_parser_decltype): Push and pop
2471 deferring_access_checks. Reorganize to avoid goto.
2473 2018-02-12 Richard Biener <rguenther@suse.de>
2476 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2477 uniform constructors and delay allocating them fully.
2479 2018-02-09 Jason Merrill <jason@redhat.com>
2481 PR c++/84036 - ICE with variadic capture.
2482 Handle variadic capture proxies more like non-variadic.
2483 * lambda.c (build_capture_proxy): Remove workaround.
2484 * pt.c (find_parameter_packs_r): The proxy is a pack.
2485 (instantiate_class_template_1): Remove dead lambda code.
2486 (extract_fnparm_pack): Don't make_pack_expansion.
2487 (extract_locals_r): Don't strip a pack expansion.
2488 (tsubst_pack_expansion): Handle proxy packs. Use
2489 PACK_EXPANSION_EXTRA_ARGS less.
2490 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2491 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2492 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2493 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2494 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2496 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2499 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2501 2018-02-09 Jason Merrill <jason@redhat.com>
2503 PR c++/81917 - ICE with void_t and partial specialization.
2504 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2505 calling most_specialized_partial_spec.
2507 2018-02-09 Nathan Sidwell <nathan@acm.org>
2510 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2511 Pass expr location to strict_aliasing_warning.
2513 2018-02-09 Jason Merrill <jason@redhat.com>
2515 PR c++/84296 - ICE with qualified-id in template.
2517 * pt.c (unknown_base_ref_p): New.
2518 (instantiation_dependent_scope_ref_p): Use it instead of
2519 any_dependent_bases_p.
2521 2018-02-09 Marek Polacek <polacek@redhat.com>
2522 Jakub Jelinek <jakub@redhat.com>
2525 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2526 fold_indirect_ref_1, including poly_*int64. Verify first that
2527 tree_fits_poly_int64_p (op01). Formatting fixes.
2529 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2531 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2532 * lambda.c (build_capture_proxy): Likewise.
2533 * search.c (field_access_p): Likewise.
2534 * semantics.c (omp_clause_decl, omp_privatize_field,
2535 finish_omp_clauses): Likewise.
2537 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2540 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2541 case of nullptr too.
2543 2018-02-08 Nathan Sidwell <nathan@acm.org>
2545 * class.c (finish_struct): Fix std:initializer_list diagnostic
2548 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2551 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2553 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2556 * parser.c (cp_parser_dot_deref_incomplete): New function.
2557 (cp_parser_postfix_dot_deref_expression): Use it.
2559 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2563 * name-lookup.c (suggest_rid_p): New function.
2564 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2567 2018-02-07 Jason Merrill <jason@redhat.com>
2569 PR c++/84182 - ICE with captured lambda
2571 * pt.c (extract_locals_r, extract_local_specs): New.
2572 (tsubst_pack_expansion): Use them.
2574 2018-02-07 Martin Liska <mliska@suse.cz>
2577 * class.c (add_method): Append argument value.
2578 * cp-tree.h (maybe_version_functions): Add new argument.
2579 * decl.c (decls_match): Call it if a declaration does not
2580 have DECL_FUNCTION_VERSIONED.
2581 (maybe_version_functions): record argument is added.
2583 2018-02-05 Marek Polacek <polacek@redhat.com>
2585 * class.c: Remove unused global variables.
2586 (build_primary_vtable): Don't gather statistics.
2587 (print_class_statistics): Remove.
2588 * cp-tree.h (print_class_statistics): Remove.
2589 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2591 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2593 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2594 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2595 * decl.c (next_initializable_field, find_decomp_class_base,
2596 cp_finish_decomp): Likewise.
2597 * typeck2.c (process_init_constructor_record): Likewise.
2599 2018-02-02 Jason Merrill <jason@redhat.com>
2601 PR c++/84181 - ICE with lambda parm in template argument.
2602 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2604 2018-02-01 Jason Merrill <jason@redhat.com>
2606 PR c++/84160 - ICE with nested variadic capture.
2607 * lambda.c (is_capture_proxy_with_ref): New.
2608 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2610 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2611 * constexpr.c (potential_constant_expression_1): Likewise.
2612 * semantics.c (process_outer_var_ref): Likewise.
2614 2018-02-01 Marek Polacek <polacek@redhat.com>
2617 * typeck.c (build_address): Relax the assert when
2618 processing_template_decl.
2620 2018-02-01 Jason Merrill <jason@redhat.com>
2622 PR c++/84126 - ICE with variadic generic lambda
2625 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2626 PACK_EXPANSION_EXTRA_ARGS.
2628 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2631 * call.c (convert_like_real): If w're initializing from {} explicitly
2632 call abstract_virtuals_error_sfinae.
2634 2018-01-31 Jason Merrill <jason@redhat.com>
2635 Jakub Jelinek <jakub@redhat.com>
2638 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2639 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2642 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2645 * constexpr.c (diag_array_subscript): Emit different diagnostics
2646 if TYPE_DOMAIN (arraytype) is NULL.
2647 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2648 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2650 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2653 * semantics.c (finish_qualified_id_expr): When handling an
2654 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2656 2018-01-31 Marek Polacek <polacek@redhat.com>
2659 * cp-gimplify.c (cp_fold): Check if X is an error node before
2660 calling useless_type_conversion_p.
2662 2018-01-30 Jason Merrill <jason@redhat.com>
2664 PR c++/84091 - ICE with local class in lambda in template.
2665 * decl2.c (determine_visibility): Look for outer containing template
2668 PR c++/84098 - ICE with lambda in template NSDMI.
2669 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2671 2018-01-29 Jason Merrill <jason@redhat.com>
2673 PR c++/68810 - wrong location for reinterpret_cast error.
2674 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2677 2018-01-29 Marek Polacek <polacek@redhat.com>
2680 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2681 => fooarray[1] in offset_int.
2683 2018-01-29 Jason Merrill <jason@redhat.com>
2685 PR c++/83942 - wrong unused warning with static_cast.
2686 * cvt.c (ocp_convert): Call mark_rvalue_use.
2688 2018-01-26 Jason Merrill <jason@redhat.com>
2690 PR c++/83956 - wrong dtor error with anonymous union
2691 * method.c (walk_field_subobs): Variant members only affect
2693 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2695 PR c++/84036 - ICE with variadic capture.
2697 * pt.c (tsubst_pack_expansion): When optimizing a simple
2698 substitution, pull a single pack expansion out of its pack.
2700 PR c++/82514 - ICE with local class in generic lambda.
2701 * pt.c (regenerated_lambda_fn_p): Remove.
2702 (enclosing_instantiation_of): Don't use it.
2703 (tsubst_function_decl): Call enclosing_instantiation_of.
2705 * pt.c (lookup_template_class_1): Add sanity check.
2706 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2708 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2711 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2712 recursive calls that return ret.
2713 (cp_finish_decomp): Ignore unnamed bitfields.
2715 2018-01-23 Jason Merrill <jason@redhat.com>
2717 PR c++/82249 - wrong mismatched pack length error.
2718 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2719 unsubstituted function parameter pack.
2721 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2724 * decl.c (check_for_uninitialized_const_var): Not static; add
2725 bool and tsubst_flags_t parameters; adjust to be used both in
2726 constexpr context and not.
2727 * constexpr.c (potential_constant_expression_1): Use the above.
2728 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2730 2018-01-23 Jason Merrill <jason@redhat.com>
2732 PR c++/83947 - ICE with auto declarations.
2733 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2734 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2736 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2739 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2740 for pointer to member function types.
2742 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2745 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2746 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2748 2018-01-23 Nathan Sidwell <nathan@acm.org>
2751 * pt.c (tsubst_baselink): Remove optype assert.
2752 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2754 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2757 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2758 refers to incomplete type.
2760 2018-01-23 Nathan Sidwell <nathan@acm.org>
2762 Deprecate ARM-era for scope handling
2763 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2764 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2766 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2768 * semantics.c (begin_for_scope): Flag_new_for_scope is
2770 (finish_for_stmt, begin_range_for_stmt): Likewise.
2772 2018-01-22 Jason Merrill <jason@redhat.com>
2775 * decl2.c (determine_visibility): Fix template_decl handling
2776 instead of blocking it.
2778 PR c++/83720 - ICE with lambda and LTO.
2779 * decl2.c (determine_visibility): Clear template_decl for
2780 function-scope decls. Propagate anonymous linkage from containing
2783 2018-01-22 Marek Polacek <polacek@redhat.com>
2786 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2789 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2792 * decl.c (grokdeclarator): Don't diagnose extra parens
2795 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2798 * call.c (joust): Use TREE_TYPE (source) if source is
2799 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2802 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2803 for direct enum init.
2804 * decl.c (reshape_init): Likewise.
2806 2018-01-19 Marek Polacek <polacek@redhat.com>
2808 * constexpr.c (fold_simple): Simplify.
2810 2018-01-18 Jason Merrill <jason@redhat.com>
2813 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2814 * pt.c (instantiation_dependent_scope_ref_p): True if
2815 any_dependent_bases_p.
2817 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2819 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2820 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2822 2018-01-18 Jason Merrill <jason@redhat.com>
2824 PR c++/82461 - constexpr list-initialized member
2825 * constexpr.c (potential_constant_expression_1): Check
2826 TARGET_EXPR_DIRECT_INIT_P.
2828 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2831 * decl.c (xref_basetypes): Early return upon error about derived
2834 2018-01-18 Nathan Sidwell <nathan@acm.org>
2837 * cp-tree.h (mark_use): Declare.
2838 * expr.c (mark_use): Make extern.
2839 * call.c (direct_reference_binding): Set inner conv's
2840 rvaluedness_matches_p, if it is an identity.
2841 (convert_like_real): Mark lvalue or rvalue use for identity as
2842 rvaledness_matches_p demands.
2844 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2847 * parser.c (attr_chainon): New function.
2848 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2849 cp_parser_namespace_definition, cp_parser_init_declarator,
2850 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2851 cp_parser_gnu_attributes_opt): Use it.
2852 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2853 cp_parser_objc_struct_declaration): Likewise. Don't reset
2854 prefix_attributes if attributes is error_mark_node.
2856 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2859 * decl.c (grokdeclarator): Do not append the error_mark_node
2860 due to an erroneous optional attribute-specifier-seq.
2862 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2865 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2868 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2871 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2872 error_mark_node when we give an error.
2873 * decl.c (cp_finish_decl): Use the latter.
2875 2018-01-17 Nathan Sidwell <nathan@acm.org>
2878 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2880 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2883 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2884 the C++ part. If processing a template, call
2885 fold_non_dependent_expr rather than fully folding.
2887 2018-01-17 Jason Merrill <jason@redhat.com>
2889 PR c++/81067 - redundant NULL warning.
2890 * call.c (convert_like_real): Restore null_node handling.
2892 2018-01-17 Jason Merrill <jason@redhat.com>
2894 PR c++/81843 - ICE with variadic member template.
2896 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2899 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2902 * pt.c (type_dependent_expression_p): Strip any location wrapper
2903 before testing tree codes.
2904 (selftest::test_type_dependent_expression_p): New function.
2905 (selftest::cp_pt_c_tests): Call it.
2907 2018-01-17 Nathan Sidwell <nathan@acm.org>
2910 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2911 this not a final instantiation.
2913 2018-01-16 Jason Merrill <jason@redhat.com>
2915 PR c++/83714 - ICE checking return in template.
2916 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2918 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2921 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2922 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2923 instead of CALL_FROM_THUNK_P.
2926 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2927 (resort_type_member_vec, set_class_bindings,
2928 insert_late_enum_def_bindings): Use vec qsort method instead of
2929 calling qsort directly.
2931 2018-01-15 Martin Sebor <msebor@redhat.com>
2934 * class.c (find_flexarrays): Make a record of multiple flexible array
2937 2018-01-12 Jason Merrill <jason@redhat.com>
2939 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2940 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2942 2018-01-12 Nathan Sidwell <nathan@acm.org>
2944 * cp-tree.h (mark_rvalue_use): Add parm name.
2945 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2947 * call.c (convert_like_real): Fix formatting.
2949 2018-01-11 Jason Merrill <jason@redhat.com>
2951 PR c++/82728 - wrong -Wunused-but-set-variable
2954 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2955 * decl.c (case_conversion): Likewise.
2956 * semantics.c (finish_static_assert): Call
2957 perform_implicit_conversion_flags.
2959 2018-01-11 Nathan Sidwell <nathan@acm.org>
2961 * method.c (enum mangling_flags): Delete long-dead enum.
2963 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2965 * parser.c (cp_parser_std_attribute_spec): When
2966 token_pair::require_open / require_close return false simply
2967 return error_mark_node, avoid duplicate cp_parser_error about
2968 expected '(' / ')', respectively.
2970 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2973 * call.c (null_ptr_cst_p): Strip location wrappers when
2974 converting from '0' to a pointer type in C++11 onwards.
2975 (conversion_null_warnings): Replace comparison with null_node with
2976 call to null_node_p.
2977 (build_over_call): Likewise.
2978 * cp-gimplify.c (cp_fold): Remove the early bailout when
2979 processing_template_decl.
2980 * cp-lang.c (selftest::run_cp_tests): Call
2981 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2982 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2983 (selftest::run_cp_tests): Move decl to bottom of file.
2984 (null_node_p): New inline function.
2985 (selftest::cp_pt_c_tests): New decl.
2986 (selftest::cp_tree_c_tests): New decl.
2987 * cvt.c (build_expr_type_conversion): Replace comparison with
2988 null_node with call to null_node_p.
2989 * error.c (args_to_string): Likewise.
2990 * except.c (build_throw): Likewise.
2991 * mangle.c (write_expression): Skip location wrapper nodes.
2992 * parser.c (literal_integer_zerop): New function.
2993 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2994 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2995 param of cp_parser_parenthesized_expression_list. When calling
2996 warn_for_memset, replace integer_zerop calls with
2997 literal_integer_zerop, eliminating the double logical negation
2998 cast to bool. Eliminate the special-casing for CONST_DECL in
2999 favor of the fold_for_warn within warn_for_memset.
3000 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3001 param, defaulting to false. Convert "expr" to a cp_expr, and call
3002 maybe_add_location_wrapper on it when wrap_locations_p is true.
3003 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3004 the result for RID_ALIGNOF and RID_SIZEOF.
3005 (cp_parser_builtin_offsetof): Likewise.
3006 * pt.c: Include "selftest.h".
3007 (tsubst_copy): Handle location wrappers.
3008 (tsubst_copy_and_build): Likewise.
3009 (build_non_dependent_expr): Likewise.
3010 (selftest::test_build_non_dependent_expr): New function.
3011 (selftest::cp_pt_c_tests): New function.
3012 * tree.c: Include "selftest.h".
3013 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3014 (selftest::test_lvalue_kind): New function.
3015 (selftest::cp_tree_c_tests): New function.
3016 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3017 (cp_build_binary_op): Replace comparison with null_node with call
3019 (build_address): Use location of operand when building address
3022 2018-01-10 Marek Polacek <polacek@redhat.com>
3025 * call.c (build_conditional_expr_1): Check complain before warning.
3026 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3027 -Wduplicated-branches.
3029 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3032 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3033 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3034 args uses and check number of operands too. Don't strip away any
3035 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3036 Deal with src argument not having pointer type. Check
3037 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3039 (build_over_call): Call maybe_warn_class_memaccess here on the
3041 (build_cxx_call): Rather than here on converted arguments.
3043 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3046 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3047 error_mark_node as second argument.
3049 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3052 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3053 in STATEMENT_LIST. Remove unneeded assert.
3055 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3056 Alan Hayward <alan.hayward@arm.com>
3057 David Sherwood <david.sherwood@arm.com>
3059 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3061 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3062 * call.c (build_conditional_expr_1): Likewise.
3063 * decl.c (cp_finish_decomp): Likewise.
3064 * mangle.c (write_type): Likewise.
3065 * typeck.c (structural_comptypes): Likewise.
3066 (cp_build_binary_op): Likewise.
3067 * typeck2.c (process_init_constructor_array): Likewise.
3069 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3072 * typeck.c (build_static_cast_1): For static casts to reference types,
3073 call build_base_path with flag_delete_null_pointer_checks as nonnull
3074 instead of always false. When -fsanitize=null, call
3075 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3076 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3077 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3079 2018-01-03 Nathan Sidwell <nathan@acm.org>
3082 * method.c (make_alias_for): Copy DECL_CONTEXT.
3084 2018-01-03 Marek Polacek <polacek@redhat.com>
3087 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3089 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3091 PR preprocessor/83602
3092 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3096 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3097 error_mark_node, return error_mark_node.
3099 Update copyright years.
3101 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3104 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3105 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3106 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3107 to false and return.
3108 (replace_placeholders): Pass NULL instead of &pset as last argument
3111 2018-01-02 Nathan Sidwell <nathan@acm.org>
3113 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3116 Copyright (C) 2018 Free Software Foundation, Inc.
3118 Copying and distribution of this file, with or without modification,
3119 are permitted in any medium without royalty provided the copyright
3120 notice and this notice are preserved.