| blob | aec8eb79b7d64200d2984b45957a116e0d07d0ed |
1 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
3 * decl.c (bad_specifiers): Add const location_t* parameter and
4 use locations in error messages about 'inline' and 'virtual'.
5 (mark_inline_variable): Add location_t parameter and use it in
6 error_at and pedwarn messages.
7 (grokdeclarator): Use declspecs->locations[ds_constexpr],
8 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
9 declspecs->locations[ds_inline] in many error messages; adjust
10 bad_specifiers and mark_inline_variable calls.
11 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
13 2018-06-22 Jason Merrill <jason@redhat.com>
15 PR c++/86219 - ICE with erroneous initializer in template.
16 * constexpr.c (fold_non_dependent_expr): Add complain parm.
17 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
18 Pass it.
19 * call.c (build_cxx_call): Don't mess with builtins in a template.
20 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
21 produce a constant value, go back to the uninstantiated form.
23 Avoid taking the address of something just because it's in parens.
24 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
25 (cxx_fold_indirect_ref): Use it.
26 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
27 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
28 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
29 static_cast to reference type.
30 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
32 2018-06-21 Jason Merrill <jason@redhat.com>
34 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
36 * name-lookup.c (do_push_to_top_level): Don't allocate
37 current_lang_base.
38 (do_pop_from_top_level): Release current_lang_base.
40 Let -fmem-report see callers of cxx_make_type.
41 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
42 (make_class_type): Likewise.
43 (cxx_make_type_hook): New.
44 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
46 2018-06-20 Nathan Sidwell <nathan@acm.org>
48 PR c++/85634
49 * friend.c (add_friend): Keep lookup sets of tempate sets.
51 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
53 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
54 tidy handling of a null location_t argument; use proper location
55 information in a few additional error messages.
56 (grokdeclarator): Update calls.
58 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
59 Thomas Schwinge <thomas@codesourcery.com>
60 Cesar Philippidis <cesar@codesourcery.com>
62 * parser.c (cp_parser_omp_clause_name): Add support for finalize
63 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
64 to their non-present_or_* counterparts. Make 'self' an alias to
65 PRAGMA_OACC_CLAUSE_HOST.
66 (cp_parser_oacc_data_clause): Update GOMP mappings for
67 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
68 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
69 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
70 Remove support for present_or_* clauses.
71 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
72 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
73 (OACC_DECLARE_CLAUSE_MASK): Likewise.
74 (OACC_DATA_CLAUSE_MASK): Likewise.
75 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
76 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
77 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
78 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
79 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
80 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
82 2018-06-20 Marek Polacek <polacek@redhat.com>
84 PR c++/86240
85 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
86 (fold_simple_1): Likewise.
87 * error.c (dump_expr): Likewise.
89 2018-06-20 Nathan Sidwell <nathan@acm.org>
91 PR c++/85634
92 * cp-tree.h (lookup_keep): Drop KEEP parm.
93 (lookup_list_keep): Delete.
94 (maybe_get_fns): Declare.
95 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
96 (cp_parser_template_id): Not here ...
97 * decl.c (cp_finish_decl): ... nor here ...
98 * init.c (build_raw_new_expr): ... nor here ...
99 * pt.c (process_template_parm): ... nor here ...
100 * semantics.c (perform_koenig_lookup): Call lookup_keep.
101 (finish_call_expr): Not here.
102 * tree.c (ovl_cache): Delete.
103 (ovl_make, ovl_copy): No cache.
104 (lookup_keep): Always keep.
105 (lookup_list_keep): Delete.
106 (maybe_get_fns): New, broken out of ...
107 (get_fns): ... here. Call it.
108 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
109 (build_min_nt_call_vec): Likewise.
111 2018-06-19 Jason Merrill <jason@redhat.com>
113 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
114 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
116 PR c++/86182 - ICE with anonymous union passed to template.
117 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
118 used to declare a named variable.
120 2018-06-18 Jason Merrill <jason@redhat.com>
122 * tree.c (cp_expr_location): New.
123 * cp-tree.h (cp_expr_loc_or_loc): New.
124 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
125 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
126 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
128 * parser.c (cp_parser_lambda_expression): Use a range for
129 LAMBDA_EXPR_LOCATION.
131 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
132 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
133 function type.
135 PR c++/81060 - ICE with unexpanded parameter pack.
136 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
137 * decl.c (grokdeclarator): Call it for qualifying_scope.
139 PR c++/86171 - ICE with recursive alias instantiation.
140 * pt.c (tsubst_decl): Handle recursive alias instantiation.
142 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
144 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
145 in errors about redefined default arguments; tidy.
147 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
149 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
150 * cp-gimplify.c (cp_fold): Likewise.
152 2018-06-15 Jason Merrill <jason@redhat.com>
154 PR c++/86147 - wrong capture for template argument.
155 * expr.c (mark_use): Look through NOP_EXPR.
157 * name-lookup.c (do_pushtag): Don't look through complete types, but
158 don't add to them either. Get context from current_binding_level.
159 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
161 * decl.c (start_enum): Do compare dependent underlying type.
163 PR c++/82882 - ICE with lambda in template default argument.
164 * lambda.c (record_null_lambda_scope): New.
165 * pt.c (tsubst_lambda_expr): Use it.
166 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
167 function that isn't open.
169 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
171 2018-06-14 Marek Polacek <polacek@redhat.com>
173 PR c++/86063
174 * decl2.c (cp_check_const_attributes): Skip trees that are not
175 TREE_LISTs.
177 2018-06-14 Jakub Jelinek <jakub@redhat.com>
179 P0624R2 - Default constructible and assignable stateless lambdas
180 * method.c (synthesized_method_walk): For C++2a don't mark
181 sfk_constructor or sfk_copy_assignment as deleted if lambda has
182 no lambda-captures.
184 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
186 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
187 OPT_Wshadow warning_at.
188 (grokfndecl): Consistently use the location_t argument in
189 literal operator diagnostic messages.
190 (grokdeclarator): Use declspecs->locations[ds_storage_class]
191 in error_at call.
192 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
193 in permerror call.
195 2018-06-13 Jason Merrill <jason@redhat.com>
197 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
198 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
199 constructors.
201 PR c++/86094 - wrong code with defaulted move ctor.
202 * class.c (classtype_has_non_deleted_move_ctor): New.
203 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
204 Handle v12 breakage.
206 2018-06-12 Jason Merrill <jason@redhat.com>
208 PR c++/86098 - ICE with template placeholder for TTP.
209 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
210 CLASS_PLACEHOLDER_TEMPLATE.
212 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
214 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
215 parameter and adjust error_at calls.
216 * decl.c (grok_op_properties): Adjust calls.
217 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
219 2018-06-12 Marek Polacek <polacek@redhat.com>
221 Core issue 1331 - const mismatch with defaulted copy constructor
222 * class.c (check_bases_and_members): When checking a defaulted
223 function, mark it as deleted rather than giving an error.
225 2018-06-11 Jason Merrill <jason@redhat.com>
227 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
228 * class.c (maybe_warn_about_overly_private_class): Handle inherited
229 constructors.
231 PR c++/85963 - -Wunused-but-set with ?: in template.
232 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
234 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
236 * decl.c (grok_op_properties): Consistently use the location
237 of the decl; remove special casing of POSTINCREMENT_EXPR and
238 POSTDECREMENT_EXPR wrt default arguments.
240 2018-06-05 Jason Merrill <jason@redhat.com>
242 * constexpr.c (cxx_eval_binary_expression): Special case comparison
243 of pointers to members of the same union.
245 2018-06-11 Jason Merrill <jason@redhat.com>
247 PR c++/86094 - wrong code with defaulted move ctor.
248 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
250 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
252 * decl.c (grokfndecl): Use the location_t argument in two more places.
254 2018-06-06 Marek Polacek <polacek@redhat.com>
256 PR c++/85977
257 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
258 deduction from the list elements.
259 (type_unification_real): Check convertibility of list elements.
261 2018-06-06 Jason Merrill <jason@redhat.com>
263 PR c++/86060 - ICE on range for with -std=c++98.
264 * parser.c (cp_parser_init_statement): Don't clobber *decl after
265 pedwarn.
267 PR c++/85710 - ICE with -Wmemset-elt-size.
268 * semantics.c (finish_call_expr): Call warn_for_memset here.
269 * parser.c (cp_parser_postfix_expression): Not here.
270 (literal_integer_zerop): No longer static.
271 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
273 2018-06-05 Marek Polacek <polacek@redhat.com>
275 PR c++/85976
276 * tree.c (cp_tree_equal): Handle USING_DECL.
278 2018-06-05 Jason Merrill <jason@redhat.com>
280 PR c++/85731 - wrong error with qualified-id in template.
281 * semantics.c (finish_qualified_id_expr): build_qualified_name
282 for unbound names in the current class.
284 2018-06-04 Jason Merrill <jason@redhat.com>
286 PR c++/61806 - missed SFINAE with partial specialization.
287 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
288 parameter to constructor.
289 * pt.c (instantiate_class_template_1): Enable access checking
290 before call to most_specialized_partial_spec.
292 PR c++/85765 - SFINAE and non-type default template arg.
293 * pt.c (type_unification_real): Do full semantic processing if
294 substituting a partial args list replaces all template parms.
296 2018-06-03 Jason Merrill <jason@redhat.com>
298 PR c++/85739 - ICE with pointer to member template parm.
299 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
301 2018-06-02 Jason Merrill <jason@redhat.com>
303 PR c++/85761 - ICE with ill-formed use of const outer variable.
304 * expr.c (mark_use): Handle location wrappers.
306 2018-06-01 Jason Merrill <jason@redhat.com>
308 PR c++/85764 - bogus 'this' not captured error.
309 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
310 (nonlambda_method_basetype): Handle NSDMI.
312 CWG 1581: When are constexpr member functions defined?
313 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
314 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
316 PR c++/58281 - explicit instantiation of constexpr
317 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
319 * pt.c (instantiate_decl): Any defaulted function is defined.
321 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
323 PR c++/77777
324 * call.c (resolve_args): Use location of expression, not current input
325 location.
327 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
329 Do not warn about zero-as-null when NULL is used.
330 * call.c (conversion_null_warnings): Check for pointer
331 types converted from zero constants.
332 (convert_like_real): Add a warning sentinel at the end.
333 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
334 check null_node_p.
336 2018-05-30 Jason Merrill <jason@redhat.com>
338 PR c++/85807 - ICE with call in template NSDMI.
339 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
340 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
342 PR c++/85873 - constant initializer_list array not in .rodata.
343 * tree.c (build_target_expr): Set TREE_READONLY.
344 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
346 * parser.c (cp_parser_check_condition_declarator): Handle
347 cp_error_declarator.
349 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
351 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
352 of using it in dead store.
354 2018-05-29 Jason Merrill <jason@redhat.com>
356 PR c++/67445 - returning temporary initializer_list.
357 PR c++/67711 - assigning from temporary initializer_list.
358 PR c++/48562 - new initializer_list.
359 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
360 about returning local initializer_list.
361 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
362 * call.c (build_over_call): Warn about assignment from temporary
363 init_list.
364 * init.c (build_new_1): Warn about 'new std::initializer_list'.
365 (find_list_begin, maybe_warn_list_ctor): New.
366 (perform_member_init): Use maybe_warn_list_ctor.
368 2018-05-29 Marek Polacek <polacek@redhat.com>
370 PR c++/85883
371 * init.c (build_new): Handle deducing a class with new
372 with more than one argument.
374 2018-05-29 Jakub Jelinek <jakub@redhat.com>
376 PR c++/85952
377 * init.c (build_aggr_init): For structured binding initialized from
378 array call mark_rvalue_use on the initializer.
380 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
382 * decl2.c (start_static_storage_duration_function): Use
383 splay_tree_delete_pointers.
385 2018-05-25 Jason Merrill <jason@redhat.com>
387 PR c++/85815 - reference to member of enclosing template.
388 * search.c (lookup_base): Use currently_open_class.
389 (lookup_member): Use it regardless of -fconcepts.
390 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
392 CWG 616, 1213 - value category of subobject references.
393 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
395 2018-05-24 Jason Merrill <jason@redhat.com>
397 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
398 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
399 generic lambda.
401 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
403 Pedwarn on a non-standard position of a C++ attribute.
404 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
405 after the namespace name.
407 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
409 * cp-tree.h (INDIRECT_TYPE_P): New.
410 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
411 joust): Use it instead of POINTER_TYPE_P.
412 * class.c (update_vtable_entry_for_fn, find_flexarrays,
413 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
414 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
415 * cxx_eval_increment_expression, potential_constant_expression_1):
416 Likewise.
417 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
418 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
419 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
420 cp_ubsan_maybe_instrument_downcast): Likewise.
421 * cvt.c (cp_convert_to_pointer, ocp_convert,
422 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
423 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
424 pp_cxx_offsetof_expression_1): Likewise.
425 * decl.c (grokparms, static_fn_type): Likewise.
426 * decl2.c (grokbitfield): Likewise.
427 * error.c (dump_expr): Likewise.
428 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
429 * init.c (warn_placement_new_too_small): Likewise.
430 * lambda.c (build_capture_proxy, add_capture): Likewise.
431 * parser.c (cp_parser_omp_for_loop): Likewise.
432 * pt.c (convert_nontype_argument, fn_type_unification,
433 uses_deducible_template_parms, check_cv_quals_for_unify,
434 dependent_type_p_r): Likewise.
435 * search.c (check_final_overrider): Likewise.
436 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
437 finish_omp_for): Likewise.
438 * tree.c (cp_build_qualified_type_real): Likewise.
439 * typeck.c (build_class_member_access_expr,
440 finish_class_member_access_expr, build_x_indirect_ref,
441 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
442 Likewise.
444 2018-05-24 Jason Merrill <jason@redhat.com>
446 PR c++/85864 - literal template and default template arg.
447 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
449 2018-05-24 Marek Polacek <polacek@redhat.com>
451 PR c++/85847
452 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
453 variable for its result. Fix a condition.
454 (build_new): Use fold_non_dependent_expr. Tweak a condition.
456 2018-05-23 Jason Merrill <jason@redhat.com>
458 Fix cast to rvalue reference from prvalue.
459 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
460 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
461 non-class type. Handle xvalue argument.
462 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
463 rvalue reference.
464 * semantics.c (finish_compound_literal): Do direct-initialization,
465 not cast, to initialize a reference.
467 CWG 616, 1213 - value category of subobject references.
468 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
469 an xvalue.
470 * typeck2.c (build_m_component_ref): Likewise.
471 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
472 distinction between temporary and xvalue.
474 2018-05-23 Marek Polacek <polacek@redhat.com>
476 Implement P0614R1, Range-based for statements with initializer.
477 * parser.c (cp_parser_range_based_for_with_init_p): New.
478 (cp_parser_init_statement): Use it. Parse the optional init-statement
479 for a range-based for loop.
480 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
482 2018-05-22 Jason Merrill <jason@redhat.com>
484 PR c++/81420 - not extending temporary lifetime.
485 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
486 * class.c (build_base_path): Avoid redundant move of an rvalue.
488 PR c++/85866 - error with .* in default template arg.
489 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
491 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
493 * parser.c (cp_parser_parameter_declaration_list): Remove
494 bool* parameter.
495 (cp_parser_parameter_declaration_clause): Adjust.
496 (cp_parser_cache_defarg): Likewise.
498 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
500 PR c++/84588
501 * parser.c (cp_parser_maybe_commit_to_declaration,
502 cp_parser_check_condition_declarator): New.
503 (cp_parser_simple_declaration): Use the first above.
504 (cp_parser_condition): Use both the above; enforce
505 [stmt.stmt]/2 about the declarator not specifying
506 a function or an array; improve error-recovery.
508 2018-05-20 Jason Merrill <jason@redhat.com>
510 PR libstdc++/85843 - warning in logic_error copy constructor.
511 * class.c (type_has_user_nondefault_constructor): Check for a
512 user-provided ctor, not user-declared.
514 2018-05-19 Jason Merrill <jason@redhat.com>
516 * pt.c (tsubst_pack_expansion): Sorry rather than abort
517 on __integer_pack as subexpression of pattern.
519 2018-05-18 Jason Merrill <jason@redhat.com>
521 PR c++/58407 - deprecated implicit copy ops.
522 * call.c (build_over_call): Warn about deprecated trivial fns.
523 * class.c (classtype_has_user_copy_or_dtor): New.
524 (type_build_ctor_call): Check TREE_DEPRECATED.
525 (type_build_dtor_call): Likewise.
526 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
527 Add checks. Return bool. Handle -Wdeprecated-copy.
528 (mark_used): Use it.
529 * decl.c (grokdeclarator): Remove redundant checks.
530 * typeck2.c (build_functional_cast): Likewise.
531 * method.c (lazily_declare_fn): Mark deprecated copy ops.
532 * init.c (build_aggr_init): Only set TREE_USED if there are
533 side-effects.
535 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
537 PR c++/85782
538 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
539 OACC_LOOPs.
541 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
543 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
544 (potential_constant_expression_1): Likewise.
546 2018-05-16 Marek Polacek <polacek@redhat.com>
548 PR c++/85363
549 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
550 * tree.c (bot_manip): Call set_flags_from_callee for
551 AGGR_INIT_EXPRs too.
553 2018-05-15 Jason Merrill <jason@redhat.com>
555 * cp-tree.h (cp_expr): Remove copy constructor.
556 * mangle.c (struct releasing_vec): Declare copy constructor.
558 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
560 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
561 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
562 is a throw-expression.
564 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
566 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
567 (FOR_EACH_CLONE): Update.
568 * decl.c (grokdeclarator): Use it.
569 * decl2.c (vague_linkage_p): Likewise.
570 * mangle.c (mangle_decl): Likewise.
571 * method.c (lazily_declare_fn): Likewise.
572 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
573 * repo.c (repo_emit_p): Likewise.
574 * tree.c (decl_linkage): Likewise.
576 2018-05-14 Jason Merrill <jason@redhat.com>
578 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
579 * tree.c (build_cp_fntype_variant): New.
580 (build_ref_qualified_type, build_exception_variant)
581 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
582 (cxx_type_hash_eq, cp_check_qualified_type): Check
583 TYPE_HAS_LATE_RETURN_TYPE.
584 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
585 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
586 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
587 (adjust_clone_args): Likewise.
588 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
589 build_cp_fntype_variant.
590 (grokdeclarator): Pass late_return_type_p to grokfndecl.
591 (check_function_type): Use cxx_copy_lang_qualifiers.
592 (static_fn_type): Use cxx_copy_lang_qualifiers.
593 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
594 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
595 (change_return_type): Use cxx_copy_lang_qualifiers.
596 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
597 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
598 return type on the declarator like a normal trailing return type.
599 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
600 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
601 * typeck.c (merge_types): Use build_cp_fntype_variant.
603 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
605 * cp-tree.h (TYPE_REF_P): New.
606 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
607 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
608 direct_reference_binding, reference_binding, implicit_conversion,
609 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
610 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
611 build_over_call, perform_implicit_conversion_flags,
612 extend_ref_init_temps, type_has_extended_temps): Use it.
613 * class.c (one_inheriting_sig, check_field_decls,
614 check_bases_and_members, find_flexarrays, finish_struct,
615 fixed_type_or_null): Likewise.
616 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
617 non_const_var_error, cxx_eval_constant_expression,
618 potential_constant_expression_1): Likewise.
619 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
620 cp_genericize_r, cxx_omp_privatize_by_reference,
621 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
622 cp_fold_maybe_rvalue): Likewise.
623 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
624 * cvt.c (build_up_reference, convert_to_reference,
625 convert_from_reference, convert_to_void, noexcept_conv_p,
626 fnptr_conv_p): Likewise.
627 * decl.c (poplevel, check_for_uninitialized_const_var,
628 check_initializer, initialize_local_var, cp_finish_decl,
629 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
630 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
631 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
632 decl_maybe_constant_var_p): Likewise.
633 * error.c (dump_type_prefix, dump_expr): Likewise.
634 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
635 is_admissible_throw_operand_or_catch_parameter): Likewise.
636 * expr.c (mark_use): Likewise.
637 * init.c (build_zero_init_1, build_value_init_noctor,
638 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
639 build_new, build_delete): Likewise.
640 * lambda.c (build_lambda_object): Likewise.
641 * mangle.c (write_expression, write_template_arg): Likewise.
642 * method.c (forward_parm, do_build_copy_constructor,
643 do_build_copy_assign, build_stub_object, constructible_expr,
644 walk_field_subobs): Likewise.
645 * parser.c (cp_parser_omp_for_loop_init,
646 cp_parser_omp_declare_reduction_exprs,
647 cp_parser_omp_declare_reduction): Likewise.
648 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
649 convert_template_argument, tsubst_pack_expansion,
650 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
651 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
652 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
653 value_dependent_expression_p, build_deduction_guide): Likewise.
654 * semantics.c (finish_handler_parms, finish_non_static_data_member,
655 finish_compound_literal, omp_privatize_field,
656 handle_omp_array_sections_1, handle_omp_array_sections,
657 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
658 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
659 finish_omp_clauses, finish_decltype_type, capture_decltype,
660 finish_builtin_launder): Likewise.
661 * tree.c (lvalue_kind, cp_build_reference_type, move,
662 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
663 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
664 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
665 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
666 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
667 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
668 convert_for_initialization,
669 maybe_warn_about_returning_address_of_local, check_return_expr,
670 cp_type_quals, casts_away_constness, non_reference): Likewise.
671 * typeck2.c (cxx_readonly_error, store_init_value,
672 process_init_constructor_record, build_x_arrow, build_functional_cast,
673 add_exception_specifier): Likewise.
675 2018-05-14 Jason Merrill <jason@redhat.com>
677 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
678 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
680 2018-05-11 Jakub Jelinek <jakub@redhat.com>
682 PR c/85696
683 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
684 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
685 cxx_omp_predetermined_sharing_1. Rename old function to ...
686 (cxx_omp_predetermined_sharing_1): ... this.
687 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
688 instead of cxx_omp_predetermined_sharing.
690 2018-05-10 Jason Merrill <jason@redhat.com>
692 * decl.c (cp_finish_decl): Don't instantiate auto variable.
693 (check_static_variable_definition): Allow auto.
694 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
696 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
697 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
699 Core issue 2310 - conversion to base of incomplete type.
700 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
702 CWG 2267 - list-initialization of reference temporary
703 * call.c (reference_binding): List-initializing a reference
704 temporary is copy-list-initialization.
706 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
708 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
709 instantiation in template context.
711 * class.c (vbase_has_user_provided_move_assign): Use
712 user_provided_p.
714 * lambda.c (lambda_expr_this_capture): Improve logic.
716 * decl.c (make_typename_type): s/parameters/arguments/.
717 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
718 * pt.c (make_pack_expansion): Correct error message.
720 2018-05-10 Jakub Jelinek <jakub@redhat.com>
722 PR c++/85662
723 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
724 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
725 fold_convert.
727 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
729 PR c++/85400
730 * decl2.c (adjust_var_decl_tls_model): New static function.
731 (comdat_linkage): Call it on a variable.
732 (maybe_make_one_only): Likewise.
734 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
736 PR c++/85713
737 Revert:
738 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
740 PR c++/84588
741 * parser.c (cp_parser_parameter_declaration_list): When the
742 entire parameter-declaration-list is erroneous maybe call
743 abort_fully_implicit_template.
745 2018-05-08 Jason Merrill <jason@redhat.com>
747 PR c++/85706 - class deduction under decltype
748 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
749 *walk_subtrees whether or not we walked into the operand.
750 (type_uses_auto): Only look at deduced contexts.
752 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
754 PR c++/84588
755 * parser.c (cp_parser_parameter_declaration_list): When the
756 entire parameter-declaration-list is erroneous maybe call
757 abort_fully_implicit_template.
759 2018-05-08 Marek Polacek <polacek@redhat.com>
761 PR c++/85695
762 * semantics.c (finish_if_stmt_cond): See through typedefs.
764 2018-05-07 Jason Merrill <jason@redhat.com>
766 PR c++/85646 - lambda visibility.
767 * decl2.c (determine_visibility): Don't mess with template arguments
768 from the containing scope.
769 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
770 thunk.
772 2018-05-07 Nathan Sidwell <nathan@acm.org>
774 Remove fno-for-scope
775 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
776 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
777 (SET_DECL_SHADOWED_FOR_VAR): Delete.
778 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
779 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
780 Don't declare.
781 * name-lookup.h (struct cp_binding_level): Remove
782 dead_vars_from_for field.
783 * cp-lang.c (cp_init_ts): Delete.
784 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
785 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
786 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
787 (init_shadowed_var_for_decl): Delete.
788 * decl.c (poplevel): Remove shadowed for var handling.
789 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
790 * name-lookup.c (find_local_binding): Remove shadowed for var
791 handling.
792 (check_local_shadow): Likewise.
793 (check_for_out_of_scope_variable): Delete.
794 * parser.c (cp_parser_primary_expression): Remove shadowed for var
795 handling.
796 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
797 * semantics.c (begin_for_scope): Always have a scope.
798 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
799 (begin_range_for_stmt, finish_id_expression): Likewise.
801 2018-05-07 Jason Merrill <jason@redhat.com>
803 PR c++/85618 - ICE with initialized VLA.
804 * tree.c (vla_type_p): New.
805 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
806 rather than array_of_runtime_bound_p.
808 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
810 * cvt.c (ocp_convert): Early handle the special case of a
811 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
813 2018-05-03 Jason Merrill <jason@redhat.com>
815 PR c++/85600 - virtual delete failure.
816 * init.c (build_delete): Always save_expr when deleting.
818 2018-05-03 Nathan Sidwell <nathan@acm.org>
820 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
821 * name-lookup.c (do_pushdecl): Likewise.
823 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
824 Jason Merrill <jason@redhat.com>
826 PR c++/68374
827 * name-lookup.c (check_local_shadow): Don't handle static old
828 declarations in the block handling locals shadowing locals.
830 2018-05-01 Jason Merrill <jason@redhat.com>
832 PR c++/85587 - error with scoped enum in template.
833 * semantics.c (finish_qualified_id_expr): Don't return an
834 unqualified IDENTIFIER_NODE.
836 2018-04-30 Jason Merrill <jason@redhat.com>
838 PR c++/85580 - extern "C" and local variables
839 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
841 PR c++/84701 - unsigned typeof.
842 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
843 of long/short/signed/unsigned.
845 PR c++/85305 - pack in lambda init-capture.
846 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
847 check_for_bare_parameter_packs in a subexpression.
848 (cp_parser_lambda_introducer): Use it.
850 PR c++/61982 - dead stores to destroyed objects.
851 * call.c (build_trivial_dtor_call): New, assigns a clobber.
852 (build_over_call, build_special_member_call): Use it.
853 * cp-tree.h: Declare it.
854 * init.c (build_delete): Remove trivial path.
856 * init.c (build_dtor_call): Use build_special_member_call.
857 (build_delete): Remove redundant uses of save_addr.
859 * decl.c (build_clobber_this): Use build_clobber.
861 2018-04-27 Jakub Jelinek <jakub@redhat.com>
863 PR c++/85553
864 * init.c (build_zero_init_1): For zero initialization of
865 NULLPTR_TYPE_P type use build_int_cst directly.
867 2018-04-27 David Malcolm <dmalcolm@redhat.com>
869 PR c++/85515
870 * name-lookup.c (consider_binding_level): Skip compiler-generated
871 variables.
872 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
873 nested if statements into a series of rejection tests. Reject
874 lambda-ignored entities as suggestions.
876 2018-04-27 Jason Merrill <jason@redhat.com>
878 * cvt.c (cp_fold_convert): Use convert_ptrmem.
879 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
881 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
883 PR c++/84691
884 * decl.c (grokdeclarator): Clear friendp upon definition in local
885 class definition error.
887 2018-04-27 Jason Merrill <jason@redhat.com>
889 PR c++/85545 - ICE with noexcept PMF conversion.
890 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
891 build_ptrmemfunc.
892 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
893 adjustment.
894 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
896 2018-04-27 Nathan Sidwell <nathan@acm.org>
898 * typeck.c (convert_ptrmem): Move local var decls to initialization.
900 * cp-tree.h (TEMPLATE_INFO): Fix comments.
901 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
902 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
903 (dump, print_other_binding_stacks): Remove declarations.
904 * name-lookup.c (print_other_binding_stack): Make static.
905 * pt.c (build_template_decl): Make static.
907 2018-04-26 Jason Merrill <jason@redhat.com>
909 PR c++/85545 - ICE with noexcept PMF conversion.
910 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
912 2018-04-25 Nathan Sidwell <nathan@acm.org>
914 PR c++/85437
915 PR c++/49171
916 * cp-tree.h (REINTERPRET_CAST_P): New.
917 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
918 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
919 for non-trivial PTRMEM_CST cases.
920 * typeck.c (build_nop_reinterpret): New.
921 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
922 NOP_EXPRs returned by cp_convert.
924 2018-04-23 Jason Merrill <jason@redhat.com>
926 PR c++/69560 - wrong alignof(double) on x86.
927 CWG 1879 - Inadequate definition of alignment requirement.
928 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
929 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
930 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
931 (cxx_alignof_expr): Pass it.
932 * parser.c (cp_parser_unary_expression): Pass it.
933 * pt.c (tsubst_copy): Copy it.
934 (tsubst_copy_and_build): Pass it.
935 * decl.c (fold_sizeof_expr): Pass it.
937 2018-04-23 Jakub Jelinek <jakub@redhat.com>
938 Jason Merrill <jason@redhat.com>
940 PR c++/85470 - wrong error with static data member.
941 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
942 * typeck2.c (store_init_value): Likewise.
944 2018-04-20 Jakub Jelinek <jakub@redhat.com>
946 PR c++/85462
947 * cp-tree.h (tinst_level): Remove in_system_header_p member,
948 change refcount member from unsigned char to unsigned short,
949 add refcount_infinity static data member, adjust comments.
950 * pt.c (tinst_level::refcount_infinity): Define.
951 (inc_refcount_use): Remove assert, don't increment if refcount
952 is already refcount_infinity, adjust comment.
953 (dec_refcount_use): Remove assert, don't decrement if refcount
954 is refcount_infinity, adjust comment.
955 (push_tinst_level_loc): Formatting fix.
957 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
959 PR c++/84611
960 * pt.c (lookup_template_class_1): Check pushtag return value for
961 error_mark_node.
963 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
965 PR c++/80290
966 * cp-tree.h (tinst_level::free): Fix whitespace.
968 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
970 PR c++/84630
971 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
972 for error_mark_node.
974 2018-04-18 Jakub Jelinek <jakub@redhat.com>
976 PR c++/84463
977 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
978 tricks from here to ...
979 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
980 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
982 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
984 PR c++/80290
985 * cp-tree.h (struct tinst_level): Split decl into tldcl and
986 targs. Add private split_list_p, tree_list_p, and not_list_p
987 inline const predicates; to_list private member function
988 declaration; free public member function declaration; list_p,
989 get_node and maybe_get_node accessors, and refcount data
990 member. Narrow errors to unsigned short.
991 * error.c (print_instantiation_full_context): Use new
992 accessors.
993 (print_instantiation_partial_context_line): Likewise. Drop
994 const from tinst_level-typed parameter.
995 * mangle.c (mangle_decl_string): Likewise.
996 * pt.c (freelist): New template class.
997 (tree_list_freelist_head): New var.
998 (tree_list_freelist): New fn, along with specializations.
999 (tinst_level_freelist_head): New var.
1000 (pending_template_freelist_head): Likewise.
1001 (tinst_level_freelist, pending_template_freelist): New fns.
1002 (tinst_level::to_list, tinst_level::free): Define.
1003 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1004 (set_refcount_ptr): New template fn.
1005 (add_pending_template): Adjust for refcounting, freelists and
1006 new accessors.
1007 (neglectable_inst_p): Take a NULL d as a non-DECL.
1008 (limit_bad_template_recursion): Use new accessors.
1009 (push_tinst_level): New overload to create the list.
1010 (push_tinst_level_loc): Make it static, split decl into two
1011 args, adjust tests and initialization to cope with split
1012 lists, use freelist, adjust for refcounting.
1013 (push_tinst_level_loc): New wrapper with the old interface.
1014 (pop_tinst_level): Adjust for refcounting.
1015 (record_last_problematic_instantiation): Likewise.
1016 (reopen_tinst_level): Likewise. Use new accessors.
1017 (instantiate_alias_template): Adjust for split list.
1018 (fn_type_unification): Likewise.
1019 (get_partial_spec_bindings): Likewise.
1020 (instantiate_pending_templates): Use new accessors. Adjust
1021 for refcount. Release pending_template to freelist.
1022 (instantiating_current_function_p): Use new accessors.
1024 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1026 PR c++/85039
1027 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1028 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1029 if we've seen errors.
1031 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1033 PR c++/85385
1034 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1035 checking that the use is indeed before the definition.
1036 (macro_use_before_def::macro_use_before_def): Make private.
1037 (macro_use_before_def::~macro_use_before_def): Make private. Move
1038 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1039 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1040 than using new directly.
1042 2018-04-12 Jason Merrill <jason@redhat.com>
1044 PR c++/85356 - ICE with pointer to member function.
1045 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1046 flag_noexcept_type. Build the new spec within the function context.
1047 * except.c (build_noexcept_spec): Do get constant value in templates
1048 if flag_noexcept_type.
1049 * decl.c (check_redeclaration_exception_specification): Don't
1050 instantiate noexcept on a dependent declaration.
1052 2018-04-12 Marek Polacek <polacek@redhat.com>
1054 PR c++/85258
1055 * constexpr.c (reduced_constant_expression_p): Return false for null
1056 trees.
1058 2018-04-11 Marek Polacek <polacek@redhat.com>
1060 PR c++/85032
1061 * constexpr.c (potential_constant_expression_1): Consider conversions
1062 from classes to literal types potentially constant.
1064 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1066 PR c++/70808
1067 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1068 the type like TYPE_PTR_OR_PTRMEM_P.
1070 2018-04-10 Jason Merrill <jason@redhat.com>
1072 PR debug/65821 - wrong location for main().
1073 * call.c (clear_location_r, convert_default_arg): Revert.
1074 * tree.c (break_out_target_exprs): Add clear_location parm.
1075 (struct bot_data): New.
1076 (bot_manip): Clear location if requested.
1077 * init.c (get_nsdmi): Pass clear_location.
1079 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1081 PR c++/85110
1082 * call.c (get_fndecl_argument_location): Make non-static.
1083 * cp-tree.h (get_fndecl_argument_location): New decl.
1084 * typeck.c (convert_for_assignment): When complaining due to
1085 conversions for an argument, show the location of the parameter
1086 within the decl.
1088 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1090 PR c++/85312 - P0962 cleanup
1091 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1092 diagnostics.
1094 2018-04-10 Jason Merrill <jason@redhat.com>
1096 PR debug/65821 - wrong location for main().
1097 * call.c (clear_location_r): New.
1098 (convert_default_arg): Use it.
1099 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1101 PR c++/85285 - ICE with flexible array after substitution.
1102 * pt.c (instantiate_class_template_1): Check for flexible array in
1103 union.
1105 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1107 PR c++/85227
1108 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1109 issue a pedwarn and defer trying to do bindings.
1111 2018-04-09 Jason Merrill <jason@redhat.com>
1113 PR c++/85279 - dump_expr doesn't understand decltype.
1114 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1116 PR c++/85262 - ICE with redundant qualification on constructor.
1117 * call.c (build_new_method_call_1): Move make_args_non_dependent
1118 after A::A() handling.
1120 PR c++/85277 - ICE with invalid offsetof.
1121 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1122 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1124 PR c++/85264 - ICE with excess template-parameter-list.
1125 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1126 parameter. Don't allow an extra template header if true.
1127 (cp_parser_class_head): Pass template_id_p.
1128 (cp_parser_elaborated_type_specifier): Likewise.
1129 (cp_parser_alias_declaration): Likewise.
1130 (cp_parser_check_declarator_template_parameters): Likewise.
1132 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1134 PR c++/85194
1135 * parser.c (cp_parser_simple_declaration): For structured bindings,
1136 if *maybe_range_for_decl is NULL after parsing it, set it to
1137 error_mark_node.
1139 2018-04-09 Jason Merrill <jason@redhat.com>
1141 PR c++/85256 - ICE capturing pointer to VLA.
1142 * lambda.c (add_capture): Distinguish between variable-size and
1143 variably-modified types.
1145 2018-04-06 Jason Merrill <jason@redhat.com>
1147 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1148 * pt.c (extract_locals_r): Remember local typedefs.
1150 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1152 PR c++/84269
1153 * name-lookup.c (struct std_name_hint): Move out of
1154 get_std_name_hint; add field "min_dialect".
1155 (get_std_name_hint): Add min_dialect values to all initializers.
1156 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1157 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1158 <shared_mutex>, <string_view>, <thread>, and <variant>.
1159 Add fstream, ifstream, and ofstream to <fstream>.
1160 Add istringstream, ostringstream, and stringstream to <sstream>.
1161 Add basic_string to <string>.
1162 Add tuple_element and tuple_size to <tuple>.
1163 Add declval to <utility>.
1164 Fix ordering of <queue> and <tuple>.
1165 Return a std_name_hint, rather than a const char *.
1166 (get_cxx_dialect_name): New function.
1167 (maybe_suggest_missing_std_header): Detect names that aren't yet
1168 available in the current dialect, and instead of suggesting a
1169 missing #include, warn about the dialect.
1171 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1173 PR c++/85210
1174 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1175 errorcount is set if tsubst doesn't return a VAR_DECL.
1177 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1179 PR c++/85021
1180 * name-lookup.c (using_directives_contain_std_p): New function.
1181 (has_using_namespace_std_directive_p): New function.
1182 (suggest_alternatives_for): Simplify if/else logic using early
1183 returns. If no candidates were found, and there's a
1184 "using namespace std;" directive, call
1185 maybe_suggest_missing_std_header.
1186 (maybe_suggest_missing_header): Split later part of the function
1187 into..
1188 (maybe_suggest_missing_std_header): New.
1190 2018-04-06 Jason Merrill <jason@redhat.com>
1192 PR c++/85242 - ICE with class definition in template parm.
1193 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1194 processing_template_parmlist.
1196 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1197 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
1199 2018-04-05 Jakub Jelinek <jakub@redhat.com>
1201 PR c++/85209
1202 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
1203 is not prev, if prev == decl.
1205 PR c++/85208
1206 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
1207 maybe_apply_pragma_weak here...
1208 (cp_maybe_mangle_decomp): ... but call it here instead.
1210 2018-04-05 Jason Merrill <jason@redhat.com>
1212 PR c++/85136 - ICE with designated init in template.
1213 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
1214 designated initializer.
1215 (check_array_designated_initializer): Update ce->index with the
1216 constant value.
1218 PR c++/83808 - ICE with VLA initialization.
1219 * typeck2.c (process_init_constructor_array): Don't require a VLA
1220 initializer to have VLA type.
1222 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1224 PR c++/80956
1225 * call.c (convert_like_real): Fail gracefully for a broken
1226 std::initializer_list, missing a definition.
1228 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
1230 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
1232 PR c++/84792
1233 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1234 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1236 2018-04-05 Jason Merrill <jason@redhat.com>
1238 PR c++/82152 - ICE with class deduction and inherited ctor.
1239 * pt.c (do_class_deduction): Ignore inherited ctors.
1241 PR c++/84665 - ICE with array of empty class.
1242 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1244 PR c++/85228 - ICE with lambda in enumerator in template.
1245 * pt.c (bt_instantiate_type_proc): Don't assume
1246 CLASSTYPE_TEMPLATE_INFO is non-null.
1248 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1250 Implement P0969
1251 * decl.c (find_decomp_class_base): Check accessibility instead
1252 of declared access, adjust diagnostic.
1254 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
1256 Implement P0961
1257 * decl.c (get_tuple_decomp_init): Check the templatedness
1258 of a member get.
1260 2018-04-05 Jason Merrill <jason@redhat.com>
1262 PR c++/85200 - ICE with constexpr if in generic lambda.
1263 * pt.c (extract_locals_r): Don't record the local specs of variables
1264 declared within the pattern.
1266 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
1268 PR c++/84979
1269 * pt.c (check_auto_in_tmpl_args): New.
1270 (tsubst_qualified_id): Use it to reject template args
1271 referencing auto for non-type templates.
1272 * parser.c (cp_parser_template_id): Likewise.
1273 * cp-tree.h (check_auto_in_tmpl_args): Declare.
1274 * typeck2.c (build_functional_cast): Report correct location
1275 for invalid use of auto.
1277 2018-04-04 Jason Merrill <jason@redhat.com>
1279 PR c++/85215 - ICE with copy-init from conversion.
1280 * call.c (merge_conversion_sequences): Fix type of direct binding
1281 sequence.
1283 PR c++/84938 - ICE with division by ~-1.
1284 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1286 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1287 * parser.c (cp_parser_mem_initializer_list): Call
1288 check_for_bare_parameter_packs.
1290 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1292 PR inline-asm/85172
1293 * constexpr.c (cxx_eval_builtin_function_call): For calls to
1294 builtin_valid_in_constant_expr_p functions, don't call
1295 cxx_eval_constant_expression if argument is not
1296 potential_constant_expression.
1298 PR c++/85146
1299 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1300 argument.
1301 * semantics.c (calculate_bases): Add complain argument. Use
1302 complete_type_or_maybe_complain instead of just complete_type and
1303 return an empty vector if it fails. Move make_tree_vector () call
1304 after early return. Formatting fixes.
1305 (calculate_direct_bases): Likewise. Call release_tree_vector at the
1306 end.
1307 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1308 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1309 calculate_direct_bases callers, formatting fixes.
1311 2018-04-04 Jason Merrill <jason@redhat.com>
1313 PR c++/85006 - -fconcepts ICE with A<auto...> return type
1314 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1316 PR c++/85200 - ICE with constexpr if in generic lambda.
1317 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1319 PR c++/84221 - bogus -Wunused with attribute and template.
1320 * decl2.c (is_late_template_attribute): Handle unused and used
1321 normally on non-TYPE_DECL.
1323 PR c++/85135 - ICE with omitted template arguments.
1324 * decl.c (grokdeclarator): Catch deduced class type in trailing
1325 return type.
1327 PR c++/85133 - ICE with missing concept initializer.
1328 * decl.c (cp_finish_decl): If a concept initializer is missing, use
1329 true.
1331 PR c++/85118 - wrong error with generic lambda and std::bind.
1332 * call.c (add_template_conv_candidate): Disable if there are any
1333 call operators.
1335 PR c++/85141 - ICE with compound assignment and static member fn.
1336 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1337 compound assignment.
1339 PR c++/85148 - ICE with 'this' in array NSDMI.
1340 * tree.c (replace_placeholders_r): Use handled_component_p.
1342 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1344 PR c++/65923
1345 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1346 * parser.c (cp_parser_unqualified_id): ..not here.
1348 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
1350 PR c++/84943
1351 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1352 used.
1353 * decl2.c (mark_used): Return without effects if tf_conv.
1355 2018-04-03 Jason Merrill <jason@redhat.com>
1357 PR c++/85092 - C++17 ICE with unused list constructor.
1358 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1359 from a TARGET_EXPR.
1361 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1362 * constexpr.c (cxx_eval_builtin_function_call): Only defer
1363 __builtin_constant_p if ctx->quiet.
1365 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
1367 PR c++/84768
1368 * pt.c (rewrite_template_parm): If the first argument is
1369 error_mark_node return it immediately.
1370 (build_deduction_guide): Check the return value of the
1371 latter for error_mark_node.
1372 (do_class_deduction): Check the return value of the latter.
1374 2018-04-03 Jason Merrill <jason@redhat.com>
1376 * semantics.c (finish_if_stmt_cond): Use
1377 instantiation_dependent_expression_p.
1379 PR c++/85149 - generic lambda and constexpr if.
1380 * pt.c (build_extra_args, add_extra_args): Split from
1381 tsubst_pack_expansion.
1382 (tsubst_expr) [IF_STMT]: Use them.
1383 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1385 * typeck.c (merge_types): Limit matching attribute shortcut to
1386 the default case.
1388 2018-04-03 Jakub Jelinek <jakub@redhat.com>
1390 PR c++/85147
1391 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1393 PR c++/85140
1394 * name-lookup.c (handle_namespace_attrs): Return early if attributes
1395 is error_mark_node.
1397 PR c++/85134
1398 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1399 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1400 instead for static data members clear init and set DECL_EXTERNAL.
1402 2018-04-02 Jason Merrill <jason@redhat.com>
1404 PR c++/64095 - auto... parameter pack.
1405 * parser.c (cp_parser_parameter_declaration): Handle turning autos
1406 into packs here.
1407 (cp_parser_parameter_declaration_list): Not here.
1409 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
1411 PR c++/85027
1412 * class.c (instantiate_type): Peel off SAVE_EXPR before
1413 BASELINK.
1415 2018-03-30 Jason Merrill <jason@redhat.com>
1417 * typeck2.c (process_init_constructor_record): Use
1418 init_list_type_node for the CONSTRUCTOR around an anonymous union
1419 designated initializer.
1421 2018-03-30 Jakub Jelinek <jakub@redhat.com>
1423 PR c++/84791
1424 * semantics.c (finish_omp_reduction_clause): If
1425 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1426 even if processing_template_decl.
1428 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1430 PR c++/84269
1431 * name-lookup.c (get_std_name_hint): Add names from <memory>,
1432 <tuple>, and <utility>.
1434 2018-03-29 Jason Merrill <jason@redhat.com>
1436 PR c++/85093 - too many template args with pack expansion.
1437 * pt.c (coerce_template_parms): Keep pack expansion args that will
1438 need to be empty.
1440 2018-03-29 Jason Merrill <jason@redhat.com>
1442 * pt.c (build_non_dependent_expr): Propagate expr location.
1444 2018-03-27 Jason Merrill <jason@redhat.com>
1446 PR c++/85060 - wrong-code with call to base member in template.
1447 * search.c (any_dependent_bases_p): Check uses_template_parms
1448 rather than processing_template_decl.
1450 2018-03-29 David Malcolm <dmalcolm@redhat.com>
1452 PR c++/85110
1453 * typeck.c (convert_for_assignment): When complaining due to
1454 conversions for an argument, attempt to use the location of the
1455 argument.
1457 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
1459 PR c++/85028
1460 * pt.c (tsubst_default_argument): Early return if the type of the
1461 parameter is erroneous.
1463 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
1465 PR c++/84973
1466 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1467 templates.
1469 PR c++/84968
1470 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1472 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1474 PR c++/85067
1475 * method.c (defaulted_late_check): Partially revert r253321 changes,
1476 do not early return upon error.
1478 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1480 PR c++/85077
1481 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1482 type call fold to generate VECTOR_CSTs when possible.
1484 PR c++/85076
1485 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1486 return it right away.
1488 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
1490 * search.c (check_final_overrider): Use inform instead of error
1491 for the diagnostics of the overridden functions. Tweak wording.
1493 2018-03-27 Jakub Jelinek <jakub@redhat.com>
1495 PR c++/85068
1496 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1497 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
1499 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
1500 Jason Merrill <jason@redhat.com>
1502 PR c++/84632
1503 * init.c (build_aggr_init): When initializing from array,
1504 reject anything but CONSTRUCTORs and TARGET_EXPRs.
1505 (build_vec_init): Handle separately ARRAY_TYPEs.
1507 2018-03-26 Jason Merrill <jason@redhat.com>
1509 PR c++/85062 - ICE with alignas in wrong place.
1510 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1511 here.
1513 PR c++/85049 - ICE with __integer_pack.
1514 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1515 * cp-tree.h (TEMPLATE_PARM_P): New.
1517 2018-03-23 Jason Merrill <jason@redhat.com>
1519 PR c++/78489 - wrong SFINAE behavior.
1521 PR c++/84489
1522 * pt.c (type_unification_real): Don't defer substitution failure.
1524 2018-03-23 Jakub Jelinek <jakub@redhat.com>
1526 PR c++/85015
1527 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1528 result.
1530 PR c++/84942
1531 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1532 cp_build_unary_op call with gcc_unreachable ().
1534 2018-03-23 Marek Polacek <polacek@redhat.com>
1536 PR c++/85045
1537 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1538 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
1539 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1541 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
1543 Implement P0962
1544 * parser.c (cp_parser_perform_range_for_lookup): Change
1545 the condition for deciding whether to use members.
1547 2018-03-23 Marek Polacek <polacek@redhat.com>
1549 PR c++/85033
1550 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1552 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
1554 PR c++/71251
1555 * parser.c (cp_parser_alias_declaration): Call
1556 parser_check_template_parameters.
1558 PR c++/84789
1559 * pt.c (resolve_typename_type): Drop assert that stopped
1560 simplification to template-independent types. Add assert to
1561 verify the initial scope is template dependent.
1562 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1563 Reparse the id expression as a type-name, not a declarator.
1565 PR c++/84729
1566 * init.c (build_vec_init): Error at parenthesized array init.
1568 PR c++/84610
1569 PR c++/84642
1570 PR c++/84942
1571 * cp-tree.h (temp_override): New template class, generalizing
1572 a cleanup that was only used...
1573 * parser.c (cp_parser_parameter_declaration_clause):
1574 ... here for auto_is_implicit_function_template_parm_p.
1575 (cp_parser_gnu_attributes_opt): Use it here as well.
1576 (cp_parser_std_attribute): Likewise.
1578 2018-03-22 Marek Polacek <polacek@redhat.com>
1580 PR c++/84854
1581 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1582 is boolean.
1584 2018-03-21 Jason Merrill <jason@redhat.com>
1586 PR c++/81311 - wrong C++17 overload resolution.
1587 * call.c (build_user_type_conversion_1): Remove C++17 code.
1588 (conv_binds_ref_to_prvalue): New.
1589 (build_over_call): Handle C++17 copy elision.
1590 (build_special_member_call): Only do C++17 copy elision here if the
1591 argument is already the right type.
1593 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1595 PR c++/71965
1596 * init.c (build_vec_init): Silence error, former sorry,
1597 without tf_error.
1599 PR c++/84610
1600 PR c++/84642
1601 * parser.c (abort_fully_implicit_template_p): New.
1602 (cp_parser_skip_to_end_of_statement): Use it.
1603 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1604 (finish_fully_implicit_template_p): Clear
1605 implicit_template_parms and implicit_template_scope.
1607 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1609 PR c++/84972
1610 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1611 error_mark_node when check_array_designated_initializer fails.
1613 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1615 PR c++/84961
1616 * cp-tree.h (genericize_compound_lvalue): Declare.
1617 * typeck.c (genericize_compound_lvalue): New function.
1618 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1619 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1620 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1621 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1622 COMPOUND_EXPR operand.
1624 2018-03-21 Nathan Sidwell <nathan@acm.org>
1626 PR c++/85008
1627 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1628 * decl2.c (vague_linkage_p): Likewise.
1630 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1632 PR c++/84994
1633 * constexpr.c (constexpr_fn_retval): Make non-"static".
1634 * cp-tree.h (constexpr_fn_retval): New decl.
1635 * search.c (direct_accessor_p): Update leading comment.
1636 (reference_accessor_p): Likewise.
1637 (field_accessor_p): Replace check that function body is a
1638 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1639 indentation of "field_type" decl.
1641 2018-03-21 Nathan Sidwell <nathan@acm.org>
1643 PR c++/84804
1644 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1645 complete classes.
1647 2018-03-21 Martin Sebor <msebor@redhat.com>
1649 PR c++/84850
1650 * call.c (first_non_public_field): New template and function.
1651 (first_non_trivial_field): New function.
1652 (maybe_warn_class_memaccess): Call them.
1654 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1656 PR c++/84892
1657 * search.c (field_accessor_p): Use class_of_this_parm rather than
1658 type_of_this_parm, to check that "this" is a "const T *", rather
1659 than a "T *const".
1661 2018-03-21 Nathan Sidwell <nathan@acm.org>
1663 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1664 other than public non-static data members.
1665 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1666 parenthesized initializer.
1668 PR c++/84836
1669 * name-lookup.c (update_binding): Correct logic for local binding
1670 update.
1672 2018-03-21 Marek Polacek <polacek@redhat.com>
1674 PR c++/71638, ICE with NSDMI and reference.
1675 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1676 even when we replace an element.
1678 2018-03-20 Marek Polacek <polacek@redhat.com>
1680 PR c++/84978, ICE with NRVO.
1681 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1682 a RESULT_DECL isn't in the hash map.
1684 2018-03-20 Jason Merrill <jason@redhat.com>
1686 PR c++/84978, ICE with NRVO.
1687 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1688 (cp_get_callee_fndecl_nofold): New.
1689 * cp-gimplify.c (cp_genericize_r): Use it instead.
1690 * call.c (check_self_delegation): Likewise.
1692 2018-03-20 Nathan Sidwell <nathan@acm.org>
1694 PR c++/84962
1695 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1696 member_vec, if there is one.
1698 PR c++/84970
1699 * cp-tree.h (lookup_list_keep): Declare.
1700 * tree.c (lookup_list_keep): New, broken out of ...
1701 (build_min): ... here. Call it.
1702 * decl.c (cp_finish_decl): Call lookup_list_keep.
1704 2018-03-19 Jason Merrill <jason@redhat.com>
1706 PR c++/84937 - ICE with class deduction and auto.
1707 * pt.c (rewrite_template_parm): Fix auto handling.
1709 2018-03-19 Marek Polacek <polacek@redhat.com>
1711 PR c++/84925
1712 * pt.c (enclosing_instantiation_of): Check if fn is null.
1714 PR c++/84927
1715 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1716 as we evaluate the elements.
1717 (cxx_eval_constant_expression): Verify constructor's flags
1718 unconditionally.
1720 2018-03-19 Jason Merrill <jason@redhat.com>
1722 PR c++/71834 - template-id with too few arguments.
1723 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1725 2018-03-19 Nathan Sidwell <nathan@acm.org>
1727 PR c++/84835
1728 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1729 * pt.c (build_template_decl): Propagate language linkage.
1731 PR c++/84812
1732 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1733 ambiguous lookups.
1735 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1737 PR c/84910
1738 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1739 diagnostics.
1740 * method.c (synthesize_method): Likewise.
1741 * pt.c (convert_nontype_argument): Likewise.
1743 2018-03-16 Jason Merrill <jason@redhat.com>
1745 PR c++/84720 - ICE with rvalue ref non-type argument.
1746 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1747 (convert_nontype_argument): Revert earlier change.
1749 PR c++/80227 - SFINAE and negative array size.
1750 * decl.c (compute_array_index_type): Use
1751 build_converted_constant_expr and valid_constant_size_p.
1753 PR c++/84906 - silent wrong code with ambiguous conversion.
1754 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1755 ambiguous conversion.
1756 (convert_like_real): Check it.
1758 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1759 * call.c (build_special_member_call): Don't convert an init-list
1760 argument directly to the class type.
1762 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1764 PR c++/79937
1765 PR c++/82410
1766 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1767 (find_placeholder): Declare.
1768 * tree.c (struct replace_placeholders_t): Add exp member.
1769 (replace_placeholders_r): Don't walk into ctors with
1770 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1771 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1772 (replace_placeholders): Initialize data.exp.
1773 (find_placeholders_r, find_placeholders): New functions.
1774 * typeck2.c (process_init_constructor_record,
1775 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1776 if adding NSDMI on which find_placeholder returns true.
1777 * call.c (build_over_call): Don't call replace_placeholders here.
1778 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1779 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1780 TARGET_EXPR_INITIAL.
1781 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1782 ctor.
1784 2018-03-16 Jason Merrill <jason@redhat.com>
1786 PR c++/83911 - ICE with multiversioned constructor.
1787 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1788 dispatchere here.
1789 * call.c (build_over_call): Not here.
1791 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1793 PR c++/84874
1794 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1795 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1797 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1799 PR c++/84222
1800 * cp-tree.h (cp_warn_deprecated_use): Declare.
1801 * tree.c (cp_warn_deprecated_use): New function.
1802 * typeck2.c (build_functional_cast): Use it.
1803 * decl.c (grokparms): Likewise.
1804 (grokdeclarator): Likewise. Temporarily push nested class scope
1805 around grokparms call for out of class member definitions.
1807 2018-03-14 Jason Merrill <jason@redhat.com>
1809 PR c++/84820 - no error for invalid qualified-id.
1810 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1811 cp_error_declarator.
1813 PR c++/84801 - ICE with unexpanded pack in lambda.
1814 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1815 lambda in non-template context.
1817 PR c++/81236 - auto variable and auto function
1818 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1819 mark_used.
1821 2018-03-14 Jason Merrill <jason@redhat.com>
1823 PR c++/83916 - ICE with template template parameters.
1824 * pt.c (convert_template_argument): Don't substitute into type of
1825 non-type parameter if we don't have enough arg levels.
1826 (unify): Likewise.
1828 2018-03-14 Marek Polacek <polacek@redhat.com>
1830 PR c++/84596
1831 * semantics.c (finish_static_assert): Check
1832 instantiation_dependent_expression_p instead of
1833 {type,value}_dependent_expression_p.
1835 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1836 Jason Merrill <jason@redhat.com>
1838 PR c++/82336 - link error with list-init default argument.
1839 * decl.c (check_default_argument): Unshare an initializer list.
1841 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1843 PR c++/84843
1844 * decl.c (duplicate_decls): For redefinition of built-in, use error
1845 and return error_mark_node. For redeclaration, return error_mark_node
1846 rather than olddecl if !flag_permissive.
1848 2018-03-13 Jason Merrill <jason@redhat.com>
1850 PR c++/82565 - ICE with concepts and generic lambda.
1851 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1853 2018-03-13 Jason Merrill <jason@redhat.com>
1855 PR c++/84720 - ICE with rvalue ref non-type argument.
1856 * pt.c (convert_nontype_argument): Handle rvalue references.
1858 PR c++/84839 - ICE with decltype of parameter pack.
1859 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1860 instantiating dummy parms.
1862 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1863 parameter even without -Wpedantic.
1865 PR c++/84798 - ICE with auto in abstract function declarator.
1866 * parser.c (cp_parser_parameter_declaration_clause): Check
1867 parser->default_arg_ok_p.
1869 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1871 PR c++/84808
1872 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1873 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1874 sizetype. Formatting fixes.
1876 2018-03-12 Jason Merrill <jason@redhat.com>
1878 PR c++/84355 - ICE with deduction for member class template.
1879 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1880 CLASS_PLACEHOLDER_TEMPLATE.
1882 PR c++/84802 - ICE capturing uninstantiated class.
1883 * lambda.c (build_capture_proxy): Call complete_type.
1885 2018-03-09 Jason Merrill <jason@redhat.com>
1887 PR c++/84770 - ICE with typedef and parameter pack.
1888 * pt.c (verify_unstripped_args_1): Split out from
1889 verify_unstripped_args.
1891 PR c++/84785 - ICE with alias template and default targs.
1892 * pt.c (type_unification_real): Set processing_template_decl if
1893 saw_undeduced == 1.
1895 PR c++/84752 - ICE with capture of constexpr array.
1896 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1897 identity conversion under ck_lvalue.
1899 2018-03-09 Jason Merrill <jason@redhat.com>
1900 Paolo Carlini <paolo.carlini@oracle.com>
1902 PR c++/71169
1903 PR c++/71832
1904 * pt.c (any_erroneous_template_args_p): New.
1905 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1906 * parser.c (cp_parser_class_specifier_1): Use it.
1908 2018-03-09 Jason Merrill <jason@redhat.com>
1910 PR c++/84726 - unnecessary capture of constant vars.
1911 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1912 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1913 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1914 * lambda.c (is_constant_capture_proxy)
1915 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1916 (prune_lambda_captures): New.
1917 (finish_lambda_function): Call prune_lambda_captures.
1919 2018-03-09 Jason Merrill <jason@redhat.com>
1920 Jakub Jelinek <jakub@redhat.com>
1922 PR c++/84076
1923 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1924 build ADDR_EXPR with REFERENCE_TYPE.
1925 (build_over_call): For purposes of check_function_arguments, if
1926 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1927 its operand rather than the argument itself.
1929 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1931 PR c++/84724
1932 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1933 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1934 also a note and return olddecl.
1936 2018-03-09 Nathan Sidwell <nathan@acm.org>
1938 PR c++/84733
1939 * name-lookup.c (do_pushdecl_with_scope): Only clear
1940 current_function_decl when pushing a non-class (i.e. namespace)
1941 scope.
1943 2018-03-08 Jason Merrill <jason@redhat.com>
1944 Jakub Jelinek <jakub@redhat.com>
1946 PR c++/80598
1947 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1948 not calling mark_used for the benefit of -Wunused-function warning.
1950 2018-03-06 Jason Merrill <jason@redhat.com>
1952 * lambda.c (is_capture_proxy_with_ref): Remove.
1953 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1955 2018-03-06 Marek Polacek <polacek@redhat.com>
1957 PR c++/84684
1958 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1959 arguments.
1961 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1963 PR c++/84231
1964 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1965 only while processing template decls.
1966 * typeck.c (build_x_conditional_expr): Move wrapping of
1967 reference type around type...
1968 * call.c (build_conditional_expr_1): ... here. Rename
1969 is_lvalue to is_glvalue.
1970 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1971 INDIRECT_REF of COND_EXPR too.
1973 PR c++/84593
1974 * init.c (build_zero_init_1): Zero-initialize references.
1976 PR c++/84492
1977 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1978 overloads used as stmt expr values.
1980 2018-03-05 Jason Merrill <jason@redhat.com>
1982 PR c++/84708 - ICE with lambda in local class NSDMI.
1983 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1984 context.
1986 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1988 PR c++/84684
1989 * constexpr.c (constexpr_call_hasher::equal): Return false if
1990 lhs->hash != rhs->hash. Change return 1 to return true and
1991 return 0 to return false.
1993 2018-03-05 Nathan Sidwell <nathan@acm.org>
1995 PR c++/84702
1996 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1998 2018-03-05 Marek Polacek <polacek@redhat.com>
2000 PR c++/84707
2001 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2002 UDLIT_OPER_P.
2004 2018-03-05 Nathan Sidwell <nathan@acm.org>
2006 PR c++/84694
2007 * friend.c (do_friend): Restore check for identifier_p inside
2008 TEMPLATE_ID_EXPR.
2010 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2012 PR c++/84618
2013 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2014 involving a VAR_DECL or a PARM_DECL.
2016 2018-03-05 Pádraig Brady <P@draigBrady.com>
2017 Jason Merrill <jason@redhat.com>
2018 Nathan Sidwell <nathan@acm.org>
2020 PR c++/84497
2021 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2023 2018-03-03 Jason Merrill <jason@redhat.com>
2025 PR c++/84686 - missing volatile loads.
2026 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2028 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2030 PR c++/71464
2031 * optimize.c (maybe_thunk_body): Bail out immediately if either
2032 fns[0] or fns[1] is null.
2034 2018-03-02 Marek Polacek <polacek@redhat.com>
2036 PR c++/84578
2037 * constexpr.c (get_array_or_vector_nelts): New.
2038 (cxx_eval_array_reference): Use it.
2039 (cxx_eval_vec_init_1): Likewise.
2040 (cxx_eval_store_expression): Likewise.
2042 2018-03-02 Jason Merrill <jason@redhat.com>
2044 * semantics.c (force_paren_expr): Remove redundant test.
2046 2018-03-02 Marek Polacek <polacek@redhat.com>
2048 PR c++/84663
2049 * decl.c (cp_complete_array_type): Check error_mark_node.
2051 PR c++/84664
2052 * typeck.c (cp_perform_integral_promotions): Check the result of
2053 mark_rvalue_use.
2055 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2057 PR c++/84662
2058 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2059 RETURN instead of return.
2060 <case POINTER_PLUS_EXPR>: Likewise.
2061 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2062 it instead of wrapping it into CONVERT_EXPR.
2064 2018-03-02 Jason Merrill <jason@redhat.com>
2066 Fix MIPS16 ICE.
2067 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2069 2018-03-02 Marek Polacek <polacek@redhat.com>
2071 PR c++/84590
2072 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2073 wrapped in VIEW_CONVERT_EXPR.
2075 2018-03-01 Martin Sebor <msebor@redhat.com>
2077 PR c++/84294
2078 * decl.c (check_redeclaration_no_default_args): Merge attributes
2079 specified on redeclarations of the same function template.
2080 Remove dead code.
2082 2018-03-01 Marek Polacek <polacek@redhat.com>
2083 Jason Merrill <jason@redhat.com>
2085 PR c++/84582
2086 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2087 a template.
2088 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2089 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2090 of instantiate_non_dependent_expr.
2091 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2093 2018-03-01 Nathan Sidwell <nathan@acm.org>
2095 PR c++/84434
2096 * name-lookup.c (member_vec_dedup): Remove manually peeled
2097 iteration. Ignore dependent ctor inheritance.
2099 2018-03-01 Jason Merrill <jason@redhat.com>
2101 PR c++/71569 - decltype of template.
2102 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2104 2018-03-01 Marek Polacek <polacek@redhat.com>
2106 PR c++/84596
2107 * constexpr.c (require_rvalue_constant_expression): New function.
2108 * cp-tree.h: Declare it.
2109 * semantics.c (finish_static_assert): Use it instead of
2110 require_potential_rvalue_constant_expression.
2112 2018-03-01 Jason Merrill <jason@redhat.com>
2113 Alexandre Oliva <aoliva@redhat.com>
2115 PR c++/71569 - ICE with redundant args on member variable template.
2116 * decl.c (start_decl): Handle partial specialization of member
2117 variable template.
2118 * pt.c (determine_specialization): Allow partial specialization
2119 of member variable template without specializing enclosing class.
2120 (process_partial_specialization): Improve error message.
2122 2018-02-28 Jason Merrill <jason@redhat.com>
2124 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2125 * pt.c (determine_specialization): Check ref-qualifier.
2127 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2129 PR c++/84609
2130 * parser.c (cp_parser_attributes_opt): Formatting fix.
2131 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2132 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2133 New functions.
2134 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2135 instead of tentative parse to peek over optional attribute tokens
2136 to check for CPP_COLON after them.
2138 PR c++/83871
2139 PR c++/83503
2140 * pt.c (INCLUDE_STRING): Remove define.
2141 (warn_spec_missing_attributes): Use pretty_printer instead of
2142 std::string. Fix up inform call so that the list of attributes
2143 is in %s argument.
2145 2018-02-28 Martin Sebor <msebor@redhat.com>
2147 PR testsuite/84617
2148 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2149 and malloc.
2151 2018-02-28 Nathan Sidwell <nathan@acm.org>
2153 PR c++/84602
2154 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2155 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2156 regardless of want_type.
2157 (search_anon_aggr): Just use get_class_binding_direct.
2159 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2161 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2162 inform_n.
2164 2018-02-27 Martin Sebor <msebor@redhat.com>
2166 * pt.c: Avoid including <string> directly.
2168 2018-02-27 Martin Sebor <msebor@redhat.com>
2170 PR c++/83871
2171 PR c++/83503
2172 * cp-tree.h (warn_spec_missing_attributes): New function.
2173 ((check_explicit_specialization): Add an argument. Call the above
2174 function.
2175 * decl.c (duplicate_decls): Avoid applying primary function template's
2176 attributes to its explicit specializations.
2177 cp/pt.c (warn_spec_missing_attributes): Define.
2179 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
2181 PR c++/71546 - lambda init-capture with qualified-id.
2182 * parser.c (cp_parser_lambda_introducer): Clear scope after
2183 each lambda capture.
2185 2018-02-27 Nathan Sidwell <nathan@acm.org>
2187 PR c++/84426
2188 * name-lookup.h (get_member_slot): Rename ...
2189 (find_member_slot): ... here.
2190 (add_member_slot): New.
2191 * name-lookup.c (member_vec_linear_search): No need to check for
2192 NULL slot.
2193 (get_member_slot): Rename ...
2194 (find_member_slot): ... here. Don't add slot for incomplete class.
2195 (add_member_slot): New.
2196 * class.c (add_method): Adjust get_member_slot rename. Bail out
2197 if push_class_level_binding fails. Create slot and grok
2198 properties once we're committed to insertion.
2200 2018-02-27 Jason Merrill <jason@redhat.com>
2202 PR c++/84489 - dependent default template argument
2203 * pt.c (type_unification_real): Handle early substitution failure.
2205 2018-02-26 Jason Merrill <jason@redhat.com>
2207 PR c++/84560 - ICE capturing multi-dimensional VLA.
2208 * tree.c (array_of_runtime_bound_p): False if the element is
2209 variably-modified.
2211 PR c++/84441 - ICE with base initialized from ?:
2212 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
2214 PR c++/84520 - ICE with generic lambda in NSDMI.
2215 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
2216 'this' in a generic lambda instantiation.
2218 PR c++/84559 - ICE with constexpr VLA.
2219 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
2220 for constexpr variable with VLA type.
2222 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2224 PR c++/84558
2225 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
2226 a valid constant initializer. Formatting fixes.
2228 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2230 PR c++/84540
2231 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
2232 returning NULL_TREE.
2233 (apply_late_template_attributes): Likewise.
2235 2018-02-26 Jakub Jelinek <jakub@redhat.com>
2237 PR c++/84557
2238 * parser.c (cp_parser_omp_var_list_no_open): Only call
2239 cp_parser_lookup_name_simple on names satisfying identifier_p.
2240 (cp_parser_oacc_routine): Likewise.
2242 2018-02-26 Jason Merrill <jason@redhat.com>
2244 PR c++/84551 - ICE with concepts and -g.
2245 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2247 2018-02-26 Marek Polacek <polacek@redhat.com>
2249 PR c++/84325
2250 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2251 non-types.
2253 2018-02-26 Jason Merrill <jason@redhat.com>
2255 PR c++/84447 - ICE with deleted inherited ctor with default arg.
2256 * call.c (build_over_call): Handle deleted functions in one place.
2258 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2260 PR c++/84533
2261 * decl.c (redeclaration_error_message): Don't try to use
2262 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2264 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
2266 * lambda.c (build_capture_proxy): Define static.
2267 * cp-tree.h (build_capture_proxy): Remove.
2269 2018-02-26 Marek Polacek <polacek@redhat.com>
2271 PR c++/84537
2272 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2273 if name is error node.
2275 2018-02-25 Jason Merrill <jason@redhat.com>
2277 PR c++/84015 - ICE with class deduction and auto template parm.
2278 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2280 2018-02-24 Marek Polacek <polacek@redhat.com>
2282 PR c++/83692
2283 * constexpr.c (maybe_constant_init_1): New function.
2284 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2285 (cxx_constant_init): New function.
2286 * cp-tree.h (cxx_constant_init): Declare.
2287 * typeck2.c (store_init_value): Call cxx_constant_init instead of
2288 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
2290 2018-02-22 Jason Merrill <jason@redhat.com>
2292 PR c++/70468 - ICE with constructor delegation via typedef.
2293 * pt.c (tsubst_initializer_list): Check for other mem-initializers
2294 with constructor delegation.
2296 2018-02-22 Jason Merrill <jason@redhat.com>
2298 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2299 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2300 VECTOR_TYPE.
2302 2018-02-22 Marek Polacek <polacek@redhat.com>
2304 PR c++/84493
2305 * parser.c (cp_parser_braced_list): Use require_open instead of
2306 consume_open.
2308 2018-02-21 Jason Merrill <jason@redhat.com>
2310 PR c++/84454 - ICE with pack expansion in signature.
2311 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2313 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
2315 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2316 IF_STMT.
2318 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
2320 PR c++/84446
2321 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2322 on error_mark_node.
2324 2018-02-20 Jakub Jelinek <jakub@redhat.com>
2326 PR c++/84445
2327 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2328 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2330 PR c++/84449
2331 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2332 returns error_mark_node, return it immediately.
2333 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2334 error_mark_node, return error_mark_node.
2336 PR c++/84455
2337 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2338 function_depth to avoid GC during finish_lambda_function.
2340 2018-02-19 Jason Merrill <jason@redhat.com>
2342 PR c++/84429 - ICE capturing VLA.
2343 * lambda.c (build_capture_proxy): Handle reference refs.
2345 2018-02-19 Jakub Jelinek <jakub@redhat.com>
2347 PR c++/84448
2348 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2349 either operand is error_mark_node, set current.lhs to that instead of
2350 creating a binary op with error_mark_node operands.
2352 PR c++/84430
2353 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2355 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
2357 PR c++/84348
2358 * decl.c (grokdeclarator): Early return error_mark_node upon
2359 ill-formed friend declaration.
2361 2018-02-16 Marek Polacek <polacek@redhat.com>
2362 Jakub Jelinek <jakub@redhat.com>
2364 PR c++/84192
2365 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2366 set *jump_target to anything if jump_target is NULL.
2368 2018-02-16 Jason Merrill <jason@redhat.com>
2370 PR c++/84151 - unnecessary volatile load with static member.
2371 * call.c (build_new_method_call_1): Avoid loading from a volatile
2372 lvalue used as the object argument for a static member function.
2374 PR c++/81853 - using-directive and constexpr.
2375 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2377 PR c++/84420 - ICE with structured binding in lambda.
2378 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2380 PR c++/83835 - C++17 error with constructor ctors.
2381 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2383 PR c++/82664 - ICE with reference to function template parm.
2384 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2385 NOP_EXPRs.
2387 PR c++/82764 - C++17 ICE with empty base
2388 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2390 2018-02-16 Jason Merrill <jason@redhat.com>
2392 PR c++/84421 - type-dependent if constexpr
2393 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2395 2018-02-16 Nathan Sidwell <nathan@acm.org>
2397 Deprecate -ffriend-injection.
2398 * decl.c (cxx_init_decl_processing): Emit warning on option.
2399 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2400 friend.
2402 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
2404 PR c++/82468
2405 * decl.c (check_special_function_return_type): Reject template
2406 template parameter in deduction guide.
2408 2018-02-16 Nathan Sidwell <nathan@acm.org>
2410 PR c++/84375
2411 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2413 2018-02-15 Jason Merrill <jason@redhat.com>
2415 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2416 * call.c (convert_like_real): Don't use the copy-list-initialization
2417 shortcut for ck_base.
2419 PR c++/84045 - ICE with typedef and noexcept.
2420 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2422 PR c++/84376 - ICE with omitted template arguments.
2423 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2425 PR c++/84368 - wrong error with local variable in variadic lambda.
2426 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2427 local_specializations.
2429 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
2431 PR c++/84330
2432 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2433 as first argument.
2435 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2437 PR c++/84350
2438 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2439 init, early return.
2441 2018-02-14 Nathan Sidwell <nathan@acm.org>
2443 * decl2.c (mark_vtable_entries): Set input_location to decl's.
2444 (c_parse_final_cleanups): Restore input_location after emitting
2445 vtables.
2447 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
2449 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2450 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2451 auto_deduction_context, tree, int): Add defaults.
2452 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2453 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2454 tsubst_flags_t argument.
2455 * init.c (build_new): Likewise.
2457 2018-02-13 Jakub Jelinek <jakub@redhat.com>
2459 PR c++/84364
2460 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2461 about return other than *this in assignment operators if
2462 retval is type dependent expression.
2464 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
2466 PR c++/84333
2467 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2468 save_expr for the G++ extension.
2470 2018-02-13 Jason Merrill <jason@redhat.com>
2472 PR c++/84080 - ICE with return type deduction and specialization.
2473 * pt.c (determine_specialization): Check uses_template_parms.
2475 Fix more variadic capture issues.
2476 * pt.c (find_parameter_packs_r): Also look at explicit captures.
2477 (check_for_bare_parameter_packs): Check current_class_type for
2478 lambda context.
2479 (extract_locals_r): Handle seeing a full instantiation of a pack.
2480 (tsubst_pack_expansion): Likewise. Force lambda capture.
2481 * parser.c (cp_parser_lambda_introducer): Don't
2482 check_for_bare_parameter_packs.
2484 PR c++/84338 - wrong variadic sizeof.
2485 * pt.c (argument_pack_select_arg): Like the macro, but look through
2486 a pack expansion.
2487 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2488 (extract_fnparm_pack): Do make_pack_expansion.
2489 (extract_locals_r): Do strip a pack expansion.
2490 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2492 2018-02-12 Jakub Jelinek <jakub@redhat.com>
2494 PR c++/84341
2495 * parser.c (cp_parser_binary_expression): Use build_min instead of
2496 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2498 2018-02-12 Nathan Sidwell <nathan@acm.org>
2500 PR c++/84263
2501 * parser.c (cp_parser_decltype): Push and pop
2502 deferring_access_checks. Reorganize to avoid goto.
2504 2018-02-12 Richard Biener <rguenther@suse.de>
2506 PR c++/84281
2507 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2508 uniform constructors and delay allocating them fully.
2510 2018-02-09 Jason Merrill <jason@redhat.com>
2512 PR c++/84036 - ICE with variadic capture.
2513 Handle variadic capture proxies more like non-variadic.
2514 * lambda.c (build_capture_proxy): Remove workaround.
2515 * pt.c (find_parameter_packs_r): The proxy is a pack.
2516 (instantiate_class_template_1): Remove dead lambda code.
2517 (extract_fnparm_pack): Don't make_pack_expansion.
2518 (extract_locals_r): Don't strip a pack expansion.
2519 (tsubst_pack_expansion): Handle proxy packs. Use
2520 PACK_EXPANSION_EXTRA_ARGS less.
2521 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2522 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2523 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2524 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2525 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2527 2018-02-10 Jakub Jelinek <jakub@redhat.com>
2529 PR sanitizer/83987
2530 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2532 2018-02-09 Jason Merrill <jason@redhat.com>
2534 PR c++/81917 - ICE with void_t and partial specialization.
2535 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2536 calling most_specialized_partial_spec.
2538 2018-02-09 Nathan Sidwell <nathan@acm.org>
2540 PR c/84293
2541 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2542 Pass expr location to strict_aliasing_warning.
2544 2018-02-09 Jason Merrill <jason@redhat.com>
2546 PR c++/84296 - ICE with qualified-id in template.
2547 PR c++/83714
2548 * pt.c (unknown_base_ref_p): New.
2549 (instantiation_dependent_scope_ref_p): Use it instead of
2550 any_dependent_bases_p.
2552 2018-02-09 Marek Polacek <polacek@redhat.com>
2553 Jakub Jelinek <jakub@redhat.com>
2555 PR c++/83659
2556 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2557 fold_indirect_ref_1, including poly_*int64. Verify first that
2558 tree_fits_poly_int64_p (op01). Formatting fixes.
2560 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2562 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2563 * lambda.c (build_capture_proxy): Likewise.
2564 * search.c (field_access_p): Likewise.
2565 * semantics.c (omp_clause_decl, omp_privatize_field,
2566 finish_omp_clauses): Likewise.
2568 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2570 PR c++/83806
2571 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2572 case of nullptr too.
2574 2018-02-08 Nathan Sidwell <nathan@acm.org>
2576 * class.c (finish_struct): Fix std:initializer_list diagnostic
2577 formatting.
2579 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2581 PR c++/83204
2582 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2584 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2586 PR c++/84082
2587 * parser.c (cp_parser_dot_deref_incomplete): New function.
2588 (cp_parser_postfix_dot_deref_expression): Use it.
2590 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2592 PR c++/81610
2593 PR c++/80567
2594 * name-lookup.c (suggest_rid_p): New function.
2595 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2596 suggest_rid_p.
2598 2018-02-07 Jason Merrill <jason@redhat.com>
2600 PR c++/84182 - ICE with captured lambda
2601 PR c++/84181
2602 * pt.c (extract_locals_r, extract_local_specs): New.
2603 (tsubst_pack_expansion): Use them.
2605 2018-02-07 Martin Liska <mliska@suse.cz>
2607 PR c++/84059.
2608 * class.c (add_method): Append argument value.
2609 * cp-tree.h (maybe_version_functions): Add new argument.
2610 * decl.c (decls_match): Call it if a declaration does not
2611 have DECL_FUNCTION_VERSIONED.
2612 (maybe_version_functions): record argument is added.
2614 2018-02-05 Marek Polacek <polacek@redhat.com>
2616 * class.c: Remove unused global variables.
2617 (build_primary_vtable): Don't gather statistics.
2618 (print_class_statistics): Remove.
2619 * cp-tree.h (print_class_statistics): Remove.
2620 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2622 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2624 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2625 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2626 * decl.c (next_initializable_field, find_decomp_class_base,
2627 cp_finish_decomp): Likewise.
2628 * typeck2.c (process_init_constructor_record): Likewise.
2630 2018-02-02 Jason Merrill <jason@redhat.com>
2632 PR c++/84181 - ICE with lambda parm in template argument.
2633 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2635 2018-02-01 Jason Merrill <jason@redhat.com>
2637 PR c++/84160 - ICE with nested variadic capture.
2638 * lambda.c (is_capture_proxy_with_ref): New.
2639 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2640 COMPONENT_REF.
2641 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2642 * constexpr.c (potential_constant_expression_1): Likewise.
2643 * semantics.c (process_outer_var_ref): Likewise.
2645 2018-02-01 Marek Polacek <polacek@redhat.com>
2647 PR c++/84125
2648 * typeck.c (build_address): Relax the assert when
2649 processing_template_decl.
2651 2018-02-01 Jason Merrill <jason@redhat.com>
2653 PR c++/84126 - ICE with variadic generic lambda
2654 PR c++/84036
2655 PR c++/82249
2656 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2657 PACK_EXPANSION_EXTRA_ARGS.
2659 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2661 PR c++/83796
2662 * call.c (convert_like_real): If w're initializing from {} explicitly
2663 call abstract_virtuals_error_sfinae.
2665 2018-01-31 Jason Merrill <jason@redhat.com>
2666 Jakub Jelinek <jakub@redhat.com>
2668 PR c++/83993
2669 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2670 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2671 on ADDR_EXPR.
2673 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2675 PR c++/83993
2676 * constexpr.c (diag_array_subscript): Emit different diagnostics
2677 if TYPE_DOMAIN (arraytype) is NULL.
2678 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2679 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2681 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2683 PR c++/84092
2684 * semantics.c (finish_qualified_id_expr): When handling an
2685 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2687 2018-01-31 Marek Polacek <polacek@redhat.com>
2689 PR c++/84138
2690 * cp-gimplify.c (cp_fold): Check if X is an error node before
2691 calling useless_type_conversion_p.
2693 2018-01-30 Jason Merrill <jason@redhat.com>
2695 PR c++/84091 - ICE with local class in lambda in template.
2696 * decl2.c (determine_visibility): Look for outer containing template
2697 instantiation.
2699 PR c++/84098 - ICE with lambda in template NSDMI.
2700 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2702 2018-01-29 Jason Merrill <jason@redhat.com>
2704 PR c++/68810 - wrong location for reinterpret_cast error.
2705 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2706 !dofold.
2708 2018-01-29 Marek Polacek <polacek@redhat.com>
2710 PR c++/83996
2711 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2712 => fooarray[1] in offset_int.
2714 2018-01-29 Jason Merrill <jason@redhat.com>
2716 PR c++/83942 - wrong unused warning with static_cast.
2717 * cvt.c (ocp_convert): Call mark_rvalue_use.
2719 2018-01-26 Jason Merrill <jason@redhat.com>
2721 PR c++/83956 - wrong dtor error with anonymous union
2722 * method.c (walk_field_subobs): Variant members only affect
2723 deletedness.
2724 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2726 PR c++/84036 - ICE with variadic capture.
2727 PR c++/82249
2728 * pt.c (tsubst_pack_expansion): When optimizing a simple
2729 substitution, pull a single pack expansion out of its pack.
2731 PR c++/82514 - ICE with local class in generic lambda.
2732 * pt.c (regenerated_lambda_fn_p): Remove.
2733 (enclosing_instantiation_of): Don't use it.
2734 (tsubst_function_decl): Call enclosing_instantiation_of.
2736 * pt.c (lookup_template_class_1): Add sanity check.
2737 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2739 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2741 PR c++/84031
2742 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2743 recursive calls that return ret.
2744 (cp_finish_decomp): Ignore unnamed bitfields.
2746 2018-01-23 Jason Merrill <jason@redhat.com>
2748 PR c++/82249 - wrong mismatched pack length error.
2749 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2750 unsubstituted function parameter pack.
2752 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2754 PR c++/83921
2755 * decl.c (check_for_uninitialized_const_var): Not static; add
2756 bool and tsubst_flags_t parameters; adjust to be used both in
2757 constexpr context and not.
2758 * constexpr.c (potential_constant_expression_1): Use the above.
2759 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2761 2018-01-23 Jason Merrill <jason@redhat.com>
2763 PR c++/83947 - ICE with auto declarations.
2764 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2765 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2767 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2769 PR c++/83974
2770 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2771 for pointer to member function types.
2773 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2775 PR sanitizer/83987
2776 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2777 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2779 2018-01-23 Nathan Sidwell <nathan@acm.org>
2781 PR c++/83988
2782 * pt.c (tsubst_baselink): Remove optype assert.
2783 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2785 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2787 PR c++/83958
2788 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2789 refers to incomplete type.
2791 2018-01-23 Nathan Sidwell <nathan@acm.org>
2793 Deprecate ARM-era for scope handling
2794 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2795 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2796 cleared.
2797 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2798 cleanup handling.
2799 * semantics.c (begin_for_scope): Flag_new_for_scope is
2800 boolean-like.
2801 (finish_for_stmt, begin_range_for_stmt): Likewise.
2803 2018-01-22 Jason Merrill <jason@redhat.com>
2805 PR c++/83720
2806 * decl2.c (determine_visibility): Fix template_decl handling
2807 instead of blocking it.
2809 PR c++/83720 - ICE with lambda and LTO.
2810 * decl2.c (determine_visibility): Clear template_decl for
2811 function-scope decls. Propagate anonymous linkage from containing
2812 function.
2814 2018-01-22 Marek Polacek <polacek@redhat.com>
2816 PR c++/81933
2817 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2818 split out anything.
2820 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2822 PR c++/83895
2823 * decl.c (grokdeclarator): Don't diagnose extra parens
2824 on typedefs.
2826 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2828 PR c++/81167
2829 * call.c (joust): Use TREE_TYPE (source) if source is
2830 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2832 PR c++/83919
2833 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2834 for direct enum init.
2835 * decl.c (reshape_init): Likewise.
2837 2018-01-19 Marek Polacek <polacek@redhat.com>
2839 * constexpr.c (fold_simple): Simplify.
2841 2018-01-18 Jason Merrill <jason@redhat.com>
2843 PR c++/83714
2844 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2845 * pt.c (instantiation_dependent_scope_ref_p): True if
2846 any_dependent_bases_p.
2848 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2850 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2851 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2853 2018-01-18 Jason Merrill <jason@redhat.com>
2855 PR c++/82461 - constexpr list-initialized member
2856 * constexpr.c (potential_constant_expression_1): Check
2857 TARGET_EXPR_DIRECT_INIT_P.
2859 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2861 PR c++/81013
2862 * decl.c (xref_basetypes): Early return upon error about derived
2863 union.
2865 2018-01-18 Nathan Sidwell <nathan@acm.org>
2867 PR c++/83160
2868 * cp-tree.h (mark_use): Declare.
2869 * expr.c (mark_use): Make extern.
2870 * call.c (direct_reference_binding): Set inner conv's
2871 rvaluedness_matches_p, if it is an identity.
2872 (convert_like_real): Mark lvalue or rvalue use for identity as
2873 rvaledness_matches_p demands.
2875 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2877 PR c++/83824
2878 * parser.c (attr_chainon): New function.
2879 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2880 cp_parser_namespace_definition, cp_parser_init_declarator,
2881 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2882 cp_parser_gnu_attributes_opt): Use it.
2883 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2884 cp_parser_objc_struct_declaration): Likewise. Don't reset
2885 prefix_attributes if attributes is error_mark_node.
2887 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2889 PR c++/78344
2890 * decl.c (grokdeclarator): Do not append the error_mark_node
2891 due to an erroneous optional attribute-specifier-seq.
2893 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2895 PR c++/83897
2896 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2897 CLEANUP_POINT_EXPR.
2899 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2901 PR c++/81054
2902 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2903 error_mark_node when we give an error.
2904 * decl.c (cp_finish_decl): Use the latter.
2906 2018-01-17 Nathan Sidwell <nathan@acm.org>
2908 PR c++/83287
2909 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2911 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2913 PR c++/83814
2914 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2915 the C++ part. If processing a template, call
2916 fold_non_dependent_expr rather than fully folding.
2918 2018-01-17 Jason Merrill <jason@redhat.com>
2920 PR c++/81067 - redundant NULL warning.
2921 * call.c (convert_like_real): Restore null_node handling.
2923 2018-01-17 Jason Merrill <jason@redhat.com>
2925 PR c++/81843 - ICE with variadic member template.
2926 PR c++/72801
2927 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2928 template args.
2930 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2932 PR c++/83799
2933 * pt.c (type_dependent_expression_p): Strip any location wrapper
2934 before testing tree codes.
2935 (selftest::test_type_dependent_expression_p): New function.
2936 (selftest::cp_pt_c_tests): Call it.
2938 2018-01-17 Nathan Sidwell <nathan@acm.org>
2940 PR c++/83739
2941 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2942 this not a final instantiation.
2944 2018-01-16 Jason Merrill <jason@redhat.com>
2946 PR c++/83714 - ICE checking return in template.
2947 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2949 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2951 PR c++/83817
2952 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2953 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2954 instead of CALL_FROM_THUNK_P.
2956 PR c++/83825
2957 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2958 (resort_type_member_vec, set_class_bindings,
2959 insert_late_enum_def_bindings): Use vec qsort method instead of
2960 calling qsort directly.
2962 2018-01-15 Martin Sebor <msebor@redhat.com>
2964 PR c++/83588
2965 * class.c (find_flexarrays): Make a record of multiple flexible array
2966 members.
2968 2018-01-12 Jason Merrill <jason@redhat.com>
2970 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2971 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2973 2018-01-12 Nathan Sidwell <nathan@acm.org>
2975 * cp-tree.h (mark_rvalue_use): Add parm name.
2976 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2977 mark_rvalue_use.
2978 * call.c (convert_like_real): Fix formatting.
2980 2018-01-11 Jason Merrill <jason@redhat.com>
2982 PR c++/82728 - wrong -Wunused-but-set-variable
2983 PR c++/82799
2984 PR c++/83690
2985 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2986 * decl.c (case_conversion): Likewise.
2987 * semantics.c (finish_static_assert): Call
2988 perform_implicit_conversion_flags.
2990 2018-01-11 Nathan Sidwell <nathan@acm.org>
2992 * method.c (enum mangling_flags): Delete long-dead enum.
2994 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2996 * parser.c (cp_parser_std_attribute_spec): When
2997 token_pair::require_open / require_close return false simply
2998 return error_mark_node, avoid duplicate cp_parser_error about
2999 expected '(' / ')', respectively.
3001 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3003 PR c++/43486
3004 * call.c (null_ptr_cst_p): Strip location wrappers when
3005 converting from '0' to a pointer type in C++11 onwards.
3006 (conversion_null_warnings): Replace comparison with null_node with
3007 call to null_node_p.
3008 (build_over_call): Likewise.
3009 * cp-gimplify.c (cp_fold): Remove the early bailout when
3010 processing_template_decl.
3011 * cp-lang.c (selftest::run_cp_tests): Call
3012 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3013 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3014 (selftest::run_cp_tests): Move decl to bottom of file.
3015 (null_node_p): New inline function.
3016 (selftest::cp_pt_c_tests): New decl.
3017 (selftest::cp_tree_c_tests): New decl.
3018 * cvt.c (build_expr_type_conversion): Replace comparison with
3019 null_node with call to null_node_p.
3020 * error.c (args_to_string): Likewise.
3021 * except.c (build_throw): Likewise.
3022 * mangle.c (write_expression): Skip location wrapper nodes.
3023 * parser.c (literal_integer_zerop): New function.
3024 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3025 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3026 param of cp_parser_parenthesized_expression_list. When calling
3027 warn_for_memset, replace integer_zerop calls with
3028 literal_integer_zerop, eliminating the double logical negation
3029 cast to bool. Eliminate the special-casing for CONST_DECL in
3030 favor of the fold_for_warn within warn_for_memset.
3031 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3032 param, defaulting to false. Convert "expr" to a cp_expr, and call
3033 maybe_add_location_wrapper on it when wrap_locations_p is true.
3034 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3035 the result for RID_ALIGNOF and RID_SIZEOF.
3036 (cp_parser_builtin_offsetof): Likewise.
3037 * pt.c: Include "selftest.h".
3038 (tsubst_copy): Handle location wrappers.
3039 (tsubst_copy_and_build): Likewise.
3040 (build_non_dependent_expr): Likewise.
3041 (selftest::test_build_non_dependent_expr): New function.
3042 (selftest::cp_pt_c_tests): New function.
3043 * tree.c: Include "selftest.h".
3044 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3045 (selftest::test_lvalue_kind): New function.
3046 (selftest::cp_tree_c_tests): New function.
3047 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3048 (cp_build_binary_op): Replace comparison with null_node with call
3049 to null_node_p.
3050 (build_address): Use location of operand when building address
3051 expression.
3053 2018-01-10 Marek Polacek <polacek@redhat.com>
3055 PR c++/82541
3056 * call.c (build_conditional_expr_1): Check complain before warning.
3057 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3058 -Wduplicated-branches.
3060 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3062 PR c++/81327
3063 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3064 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3065 args uses and check number of operands too. Don't strip away any
3066 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3067 Deal with src argument not having pointer type. Check
3068 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3069 test.
3070 (build_over_call): Call maybe_warn_class_memaccess here on the
3071 original arguments.
3072 (build_cxx_call): Rather than here on converted arguments.
3074 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3076 PR c++/81055
3077 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3078 error_mark_node as second argument.
3080 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3082 PR c++/83734
3083 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3084 in STATEMENT_LIST. Remove unneeded assert.
3086 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3087 Alan Hayward <alan.hayward@arm.com>
3088 David Sherwood <david.sherwood@arm.com>
3090 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3091 VECTOR_CST_NELTS.
3092 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3093 * call.c (build_conditional_expr_1): Likewise.
3094 * decl.c (cp_finish_decomp): Likewise.
3095 * mangle.c (write_type): Likewise.
3096 * typeck.c (structural_comptypes): Likewise.
3097 (cp_build_binary_op): Likewise.
3098 * typeck2.c (process_init_constructor_array): Likewise.
3100 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3102 PR c++/83555
3103 * typeck.c (build_static_cast_1): For static casts to reference types,
3104 call build_base_path with flag_delete_null_pointer_checks as nonnull
3105 instead of always false. When -fsanitize=null, call
3106 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3107 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3108 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3110 2018-01-03 Nathan Sidwell <nathan@acm.org>
3112 PR c++/83667
3113 * method.c (make_alias_for): Copy DECL_CONTEXT.
3115 2018-01-03 Marek Polacek <polacek@redhat.com>
3117 PR c++/83592
3118 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3120 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3122 PR preprocessor/83602
3123 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3124 for builtin macros.
3126 PR c++/83634
3127 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3128 error_mark_node, return error_mark_node.
3130 Update copyright years.
3132 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3134 PR c++/83556
3135 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3136 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3137 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3138 to false and return.
3139 (replace_placeholders): Pass NULL instead of &pset as last argument
3140 to cp_walk_tree.
3142 2018-01-02 Nathan Sidwell <nathan@acm.org>
3144 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3145 lval var.
3146 \f
3147 Copyright (C) 2018 Free Software Foundation, Inc.
3149 Copying and distribution of this file, with or without modification,
3150 are permitted in any medium without royalty provided the copyright
3151 notice and this notice are preserved.