1 2018-11-14 Paolo Carlini <paolo.carlini@oracle.com>
3 * parser.c (make_id_declarator): Add location_t parameter.
4 (cp_parser_lambda_declarator_opt): Adjust call.
5 (cp_parser_decomposition_declaration): Likewise.
6 (cp_parser_alias_declaration): Likewise.
7 (cp_parser_direct_declarator): Likewise.
8 (cp_parser_member_declaration): Likewise.
9 (cp_parser_objc_class_ivars): Likewise.
10 * decl.c (grokdeclarator): Use declarator->id_loc in two error
13 2018-11-14 Jakub Jelinek <jakub@redhat.com>
15 P1236R1 - Signed integers are two's complement
16 * constexpr.c (cxx_eval_check_shift_p): Disable the signed LSHIFT_EXPR
19 2018-11-13 David Malcolm <dmalcolm@redhat.com>
21 * call.c: Replace "source_location" with "location_t".
22 * cp-tree.h: Likewise.
24 * name-lookup.c: Likewise.
28 2018-11-12 Jason Merrill <jason@redhat.com>
30 Implement P0315R4, Lambdas in unevaluated contexts.
31 * decl2.c (min_vis_expr_r): Handle LAMBDA_EXPR.
32 * mangle.c (write_expression): Handle LAMBDA_EXPR.
33 * parser.c (cp_parser_lambda_expression): Allow lambdas in
34 unevaluated context. Start the tentative firewall sooner.
35 (cp_parser_lambda_body): Use cp_evaluated.
36 * pt.c (iterative_hash_template_arg): Handle LAMBDA_EXPR.
37 (tsubst_function_decl): Substitute a lambda even if it isn't
39 (tsubst_lambda_expr): Use cp_evaluated. Always complain.
40 (tsubst_copy_and_build) [LAMBDA_EXPR]: Do nothing if tf_partial.
41 * semantics.c (begin_class_definition): Allow in template parm list.
42 * tree.c (strip_typedefs_expr): Pass through LAMBDA_EXPR.
43 (cp_tree_equal): Handle LAMBDA_EXPR.
45 * pt.c (fn_type_unification): If we have a full set of explicit
46 arguments, go straight to substitution.
48 * decl2.c (min_vis_expr_r, expr_visibility): New.
49 (min_vis_r): Call expr_visibility.
50 (constrain_visibility_for_template): Likewise.
52 Implement P0722R3, destroying operator delete.
53 * call.c (std_destroying_delete_t_p, destroying_delete_p): New.
54 (aligned_deallocation_fn_p, usual_deallocation_fn_p): Use
56 (build_op_delete_call): Handle destroying delete.
57 * decl2.c (coerce_delete_type): Handle destroying delete.
58 * init.c (build_delete): Don't call dtor with destroying delete.
59 * optimize.c (build_delete_destructor_body): Likewise.
61 Implement P0780R2, pack expansion in lambda init-capture.
62 * parser.c (cp_parser_lambda_introducer): Parse pack init-capture.
63 * pt.c (tsubst_pack_expansion): Handle init-capture packs.
64 (lookup_init_capture_pack): New.
65 (tsubst_expr) [DECL_EXPR]: Use it.
66 (tsubst_lambda_expr): Remember field pack expansions for
69 * cp-tree.h (struct cp_evaluated): New.
70 * init.c (get_nsdmi): Use it.
71 * parser.c (cp_parser_enclosed_template_argument_list): Use it.
72 * pt.c (coerce_template_parms, tsubst_aggr_type): Use it.
74 2018-11-09 Jakub Jelinek <jakub@redhat.com>
76 * parser.c (cp_parser_omp_clause_final, cp_parser_omp_clause_if): Use
77 cp_parser_assignment_expression instead of cp_parser_condition.
78 (cp_parser_omp_clause_num_threads, cp_parser_omp_clause_num_tasks,
79 cp_parser_omp_clause_grainsize, cp_parser_omp_clause_priority,
80 cp_parser_omp_clause_num_teams, cp_parser_omp_clause_thread_limit,
81 cp_parser_omp_clause_linear, cp_parser_omp_clause_device): Use
82 cp_parser_assignment_expression instead of cp_parser_expression.
83 (cp_parser_omp_clause_hint): Likewise. Formatting fix.
85 * parser.c (cp_parser_omp_clause_reduction): Call sorry_at on
86 reduction clause with inscan modifier.
88 * parser.c (cp_parser_omp_requires): Call sorry_at on requires
89 clauses other than atomic_default_mem_order.
91 2018-11-09 Martin Sebor <msebor@redhat.com>
94 * pt.c (warn_spec_missing_attributes): Move code to attribs.c.
95 Call decls_mismatched_attributes.
97 2018-11-08 Jakub Jelinek <jakub@redhat.com>
99 * constexpr.c (potential_constant_expression_1): Handle OMP_DEPOBJ.
100 * cp-gimplify.c (cp_genericize_r): Handle
101 OMP_CLAUSE_{IN,TASK}_REDUCTION.
102 (cxx_omp_predetermined_sharing_1): Don't return
103 OMP_CLAUSE_DEFAULT_SHARED for const qualified decls with no mutable
104 member. Return OMP_CLAUSE_DEFAULT_FIRSTPRIVATE for this pointer.
105 * cp-objcp-common.c (cp_common_init_ts): Handle OMP_DEPOBJ.
106 * cp-tree.def (OMP_DEPOBJ): New tree code.
107 * cp-tree.h (OMP_ATOMIC_DEPENDENT_P): Return true also for first
108 argument being OMP_CLAUSE.
109 (OMP_DEPOBJ_DEPOBJ, OMP_DEPOBJ_CLAUSES): Define.
110 (cp_convert_omp_range_for, cp_finish_omp_range_for): Declare.
111 (finish_omp_atomic): Add LOC, CLAUSES and MO arguments. Remove
113 (finish_omp_for_block): Declare.
114 (finish_omp_flush): Add MO argument.
115 (finish_omp_depobj): Declare.
116 * cxx-pretty-print.c (cxx_pretty_printer::statement): Handle
118 * dump.c (cp_dump_tree): Likewise.
119 * lex.c (cxx_init): Likewise.
120 * parser.c: Include memmodel.h.
121 (cp_parser_for): Pass false as new is_omp argument to
123 (cp_parser_range_for): Add IS_OMP argument, return before finalizing
125 (cp_parser_omp_clause_name): Handle nontemporal, in_reduction and
126 task_reduction clauses.
127 (cp_parser_omp_var_list_no_open): Handle
128 OMP_CLAUSE_{IN,TASK}_REDUCTION. For OMP_CLAUSE_DEPEND, parse clause
129 operands as either an array section, or lvalue assignment expression.
130 (cp_parser_omp_clause_if): Handle cancel and simd modifiers.
131 (cp_parser_omp_clause_defaultmap): Parse new kinds of defaultmap
133 (cp_parser_omp_clause_reduction): Add IS_OMP and KIND arguments.
134 Parse reduction modifiers. Pass KIND to c_parser_omp_variable_list.
135 (cp_parser_omp_clause_lastprivate, cp_parser_omp_iterators): New
137 (cp_parser_omp_clause_depend): Parse iterator modifier and handle
138 iterators. Parse mutexinoutset and depobj kinds.
139 (cp_parser_oacc_all_clauses): Adjust cp_parser_omp_clause_reduction
141 (cp_parser_omp_all_clauses): Likewise. Handle
142 PRAGMA_OMP_CLAUSE_NONTEMPORAL and
143 PRAGMA_OMP_CLAUSE_{IN,TASK}_REDUCTION. Call
144 cp_parser_omp_clause_lastprivate for OpenMP lastprivate clause.
145 (cp_parser_omp_atomic): Pass pragma_tok->location as
146 LOC to finish_omp_atomic. Parse hint and memory order clauses.
147 Handle default memory order from requires directive if any. Adjust
148 finish_omp_atomic caller.
149 (cp_parser_omp_critical): Allow comma in between (name) and hint
151 (cp_parser_omp_depobj): New function.
152 (cp_parser_omp_flush): Parse flush with memory-order-clause.
153 (cp_parser_omp_for_cond): Allow NE_EXPR even in OpenMP loops.
154 (cp_convert_omp_range_for, cp_finish_omp_range_for): New functions.
155 (cp_parser_omp_for_loop): Parse C++11 range for loops among omp
156 loops. Handle OMP_CLAUSE_IN_REDUCTION like OMP_CLAUSE_REDUCTION.
157 (OMP_SIMD_CLAUSE_MASK): Add if and nontemporal clauses.
158 (cp_parser_omp_simd, cp_parser_omp_for): Call keep_next_level before
159 begin_omp_structured_block and call finish_omp_for_block on
160 finish_omp_structured_block result.
161 (cp_parser_omp_master): Add p_name, mask and cclauses arguments.
162 Allow to be called while parsing combined parallel master.
163 Parse combined master taskloop{, simd}.
164 (cp_parser_omp_parallel): Parse combined
165 parallel master{, taskloop{, simd}} constructs.
166 (cp_parser_omp_single): Use SET_EXPR_LOCATION.
167 (OMP_TASK_CLAUSE_MASK): Add in_reduction clause.
168 (OMP_TASKWAIT_CLAUSE_MASK): Define.
169 (cp_parser_omp_taskwait): Handle taskwait with depend clauses.
170 (OMP_TASKGROUP_CLAUSE_MASK): Define.
171 (cp_parser_omp_taskgroup): Parse taskgroup clauses, adjust
172 c_finish_omp_taskgroup caller.
173 (cp_parser_omp_distribute): Call keep_next_level before
174 begin_omp_structured_block and call finish_omp_for_block on
175 finish_omp_structured_block result.
176 (cp_parser_omp_teams): Force a BIND_EXPR with BLOCK around teams
178 (cp_parser_omp_target_data): Allow target data with only
179 use_device_ptr clauses.
180 (cp_parser_omp_target): Set OMP_REQUIRES_TARGET_USED bit in
182 (cp_parser_omp_requires): New function.
183 (OMP_TASKLOOP_CLAUSE_MASK): Add reduction and in_reduction clauses.
184 (cp_parser_omp_taskloop): Add forward declaration. Disallow
185 in_reduction clause when combined with parallel master. Call
186 keep_next_level before begin_omp_structured_block and call
187 finish_omp_for_block on finish_omp_structured_block result.
188 (cp_parser_omp_construct): Adjust cp_parser_omp_master caller.
189 (cp_parser_pragma): Handle PRAGMA_OMP_DEPOBJ and PRAGMA_OMP_REQUIRES.
190 * pt.c (tsubst_omp_clause_decl): Add iterators_cache argument.
191 Adjust recursive calls. Handle iterators.
192 (tsubst_omp_clauses): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION and
193 OMP_CLAUSE_NONTEMPORAL. Adjust tsubst_omp_clause_decl callers.
194 (tsubst_decomp_names):
195 (tsubst_omp_for_iterator): Change orig_declv into a reference.
196 Handle range for loops. Move orig_declv handling after declv/initv
198 (tsubst_expr): Force a BIND_EXPR with BLOCK around teams body.
199 Adjust finish_omp_atomic caller. Call keep_next_level before
200 begin_omp_structured_block. Call cp_finish_omp_range_for for range
201 for loops and use {begin,finish}_omp_structured_block instead of
202 {push,pop}_stmt_list if there are any range for loops. Call
203 finish_omp_for_block on finish_omp_structured_block result.
204 Handle OMP_DEPOBJ. Handle taskwait with depend clauses. For
205 OMP_ATOMIC call tsubst_omp_clauses on clauses if any, adjust
206 finish_omp_atomic caller. Use OMP_ATOMIC_MEMORY_ORDER rather
207 than OMP_ATOMIC_SEQ_CST. Handle clauses on OMP_TASKGROUP.
208 (dependent_omp_for_p): Always return true for range for loops if
209 processing_template_decl. Return true if class type iterator
210 does not have INTEGER_CST increment.
211 * semantics.c: Include memmodel.h.
212 (handle_omp_array_sections_1): Handle OMP_CLAUSE_{IN,TASK}_REDUCTION
213 like OMP_CLAUSE_REDUCTION.
214 (handle_omp_array_sections): Likewise. Call save_expr on array
215 reductions before calling build_index_type. Handle depend clauses
217 (finish_omp_reduction_clause): Call save_expr for whole array
218 reduction sizes. Don't mark OMP_CLAUSE_DECL addressable if it has
219 reference type. Do mark decl_placeholder addressable if needed.
220 Use error_at with OMP_CLAUSE_LOCATION (c) as first argument instead
222 (cp_omp_finish_iterators): New function.
223 (finish_omp_clauses): Don't diagnose nonmonotonic clause with static,
224 runtime or auto schedule kinds. Diagnose nogroup clause used with
225 reduction clause(s). Handle depend clause with
226 OMP_CLAUSE_DEPEND_DEPOBJ. Diagnose bit-fields. Require
227 omp_depend_t type for OMP_CLAUSE_DEPEND_DEPOBJ kinds and
228 some different type for other kinds. Use cp_build_addr_expr
229 and cp_build_indirect_ref instead of cxx_mark_addressable.
230 Handle depend clauses with iterators. Only handle static data members
231 in the special case that const qualified vars may be specified in
232 firstprivate clause. Complain if const qualified vars without mutable
233 members are mentioned in data-sharing clauses other than firstprivate
234 or shared. Use error_at with OMP_CLAUSE_LOCATION (c) as first
235 argument instead of error. Diagnose more than one nontemporal clause
236 refering to the same variable. Use error_at rather than error for
237 priority and hint clause diagnostics. Fix pasto for hint clause.
238 Diagnose hint expression that doesn't fold into INTEGER_CST.
239 Diagnose if clause with modifier other than cancel. Handle
240 OMP_CLAUSE_{IN,TASK}_REDUCTION like OMP_CLAUSE_REDUCTION. Allow any
241 lvalue as OMP_CLAUSE_DEPEND operand (besides array section), adjust
243 (handle_omp_for_class_iterator): Don't create a new TREE_LIST if one
244 has been created already for range for, just fill TREE_PURPOSE and
245 TREE_VALUE. Call cp_fully_fold on incr.
246 (finish_omp_for): Don't check cond/incr if cond is global_namespace.
247 Pass to c_omp_check_loop_iv_exprs orig_declv if non-NULL. Don't
248 use IS_EMPTY_STMT on NULL pre_body. Adjust c_finish_omp_for caller.
249 (finish_omp_for_block): New function.
250 (finish_omp_atomic): Add LOC argument, pass it through
251 to c_finish_omp_atomic and set it as location of OMP_ATOMIC* trees.
252 Remove SEQ_CST argument. Add CLAUSES and MO arguments. Adjust
253 c_finish_omp_atomic caller. Stick clauses if any into first argument
254 of wrapping OMP_ATOMIC.
255 (finish_omp_depobj): New function.
256 (finish_omp_flush): Add MO argument, if not
257 MEMMODEL_LAST, emit __atomic_thread_fence call with the given value.
258 (finish_omp_cancel): Diagnose if clause with modifier other than
261 2018-11-07 Nathan Sidwell <nathan@acm.org>
264 * cp-tree.h (struct tree_overload): Fix comment.
265 * tree.c (ovl_iterator::reveal_node): Propagate OVL_DEDUP_P.
267 2018-11-04 Jason Merrill <jason@redhat.com>
269 Implement UDL changes from P0732R2.
270 * cp-tree.h (struct releasing_vec): Move from mangle.c.
272 * parser.c (cp_parser_userdef_string_literal): Use it. Handle
273 passing the string to a single template parameter of class type.
274 (cp_parser_template_declaration_after_parameters): Allow it.
275 Pedwarn about the character pack template that was proposed but not
276 accepted for C++14, and don't suggest it.
278 Implement P0732R2, class types in non-type template parameters.
279 * error.c (dump_simple_decl): Look through a template parm object.
280 * mangle.c (write_template_arg): Likewise.
281 (mangle_template_parm_object): New.
282 * pt.c (template_parm_object_p, get_template_parm_object): New.
283 (invalid_tparm_referent_p): Factor from convert_nontype_argument.
284 (convert_nontype_argument, invalid_nontype_parm_type_p): Handle
285 class-type template arguments.
286 * tree.c (lvalue_kind): Likewise.
288 * cvt.c (ocp_convert): Don't wrap a CONSTRUCTOR in a NOP_EXPR.
289 * constexpr.c (initialized_type): Fix AGGR_INIT_EXPR handling.
290 (cxx_eval_vec_init_1): Correct type of AGGR_INIT_EXPR.
291 (cxx_eval_outermost_constant_expr): Make sure a CONSTRUCTOR has the
292 right type. Don't wrap a CONSTRUCTOR if one was passed in.
293 * tree.c (build_aggr_init_expr): Check for void.
295 PR c++/60503 - wrong lambda attribute syntax.
296 * parser.c (cp_parser_lambda_declarator_opt): Fix attribute
299 2018-11-02 Nathan Sidwell <nathan@acm.org>
301 * decl.c (duplicate_decls): Refactor checks.
303 2018-11-01 Marek Polacek <polacek@redhat.com>
305 Implement P0846R0, ADL and function templates.
306 * decl.c (grokfndecl): Allow FUNCTION_DECL in assert.
307 * lex.c (unqualified_fn_lookup_error): Handle TEMPLATE_ID_EXPR.
308 * parser.c (cp_parser_postfix_expression): Do ADL for a template-name.
309 (cp_parser_template_id): Give errors if parsing the template argument
310 list didn't go well. Allow FUNCTION_DECL in assert.
311 (cp_parser_template_name): Consider a name to refer to a template if
312 it is an unqualified-id followed by a <. Don't return the identifier
313 if the decl is a function and dependent.
314 * pt.c (tsubst_copy) <case OVERLOAD>: Remove assert.
316 2018-11-01 Nathan Sidwell <nathan@acm.org>
318 * cp-tree.h (struct lang_function): Delete x_local_names field.
319 (struct lang_decl_base): Rename u2sel to spare.
320 (struct lang_decl_min): Remove lang_decl_u2 union. Keep access
322 (LANG_DECL_U2_CHECK): Delete.
323 (DECL_DISCRIMINATOR_P): Require function scope.
324 (DECL_DISCRIMINATOR): Adjust.
325 (DECL_DISCRIMINATOR_SET_P): Delete.
326 (DECL_CAPTURED_VARIABLE, DECL_ACCESS, THUnK_VIRTUAL_OFFSET): Adjust.
327 (local_classes): Don't declare.
328 (determine_local_discriminator): Declare.
329 * decl.c (push_local_name): Delete.
330 (local_entities, determina_local_discrminator): New.
331 (duplicate_decls): Copy DECL_ACCESS. Fix formatting.
332 (cp_finish_decl): Use determine_local_discriminator.
333 (save_function_data): Drop x_local_names.
334 (finish_function): Drop local_names.
335 * decl2.c (finish_anon_union): Use determine_local_disciminator.
336 * mangle.c (write_unnamed_type_name): Use
337 discriminator_for_local_entity.
338 (local_class_index): Delete.
339 (discriminator_for_local_entity): Reimplement.
340 (write_local_name): Adjust discriminator code.
341 * name-lookup.c (do_pushtag): Call determine_local_discrimiator.
342 * semantics.c (finish_omp_threadprivate): Drop DECL_DISCRIMINATOR
344 * class.c (local_classes): Delete.
345 (init_class_processing): Don't init it.
347 2018-11-01 Martin Liska <mliska@suse.cz>
348 Jason Merrill <jason@redhat.com>
353 * cp-tree.h (DECL_FNAME_P): New macro.
354 * decl.c (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
355 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
357 * lambda.c (is_capture_proxy): Use DECL_FNAME_P.
358 * pt.c (tsubst_expr): Handle DECL_PRETTY_FUNCTION_P.
360 2018-10-31 Nathan Sidwell <nathan@acm.org>
362 * cp-tree.h (OVL_DEDUP_P): New.
363 * name-lookup.c (name_lookup::add_overload): Check OVL_DEDUP_P.
364 (get_class_binding_direct): Likwise.
365 * tree.c (ovl_make): Propagate OVL_DEDUP_P.
367 (ovl_insert): Do not keep using-decls ordered.
368 (lookup_maybe_add): Adjust comment.
370 2018-10-30 Marek Polacek <polacek@redhat.com>
372 Implement P0892R2, explicit(bool).
373 * call.c (add_template_candidate_real): Return if the declaration is
374 explicit and we're only looking for non-converting constructor.
375 * cp-tree.h (lang_decl_fn): Add has_dependent_explicit_spec_p bit.
376 (DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P): New macro.
377 (cp_decl_specifier_seq): Add explicit_specifier field.
378 (build_explicit_specifier, store_explicit_specifier): Declare.
379 * decl.c (grokdeclarator): Call store_explicit_specifier.
380 (build_explicit_specifier): New function.
381 * parser.c (cp_parser_function_specifier_opt) <case RID_EXPLICIT>:
382 Parse C++20 explicit(bool).
383 * pt.c (store_explicit_specifier, lookup_explicit_specifier): New.
384 (tsubst_function_decl): Handle explicit(dependent-expr).
386 2018-10-30 Paolo Carlini <paolo.carlini@oracle.com>
388 * decl.c (grokdeclarator): Use declarator->id_loc in diagnostic
389 about flexible array members.
391 2018-10-29 David Malcolm <dmalcolm@redhat.com>
393 * cp-name-hint.h: New file.
394 * cp-tree.h (expr_to_string): New decl.
395 (suggest_alternatives_for): Move to cp-name-hint.h, changing
396 return type from bool to name_hint.
397 (suggest_alternative_in_explicit_scope): Likewise.
398 * error.c: Define INCLUDE_UNIQUE_PTR. Include "cp-name-hint.h".
399 (expr_to_string): Make non-static.
400 (qualified_name_lookup_error): For the non-"::" case, take
401 responsibity for issuing any suggestion from
402 suggest_alternative_in_explicit_scope, as it changes from
403 returning a bool to returning a name_hint. Replace fallback call
404 to suggest_alternatives_for to a call to
405 suggest_alternatives_in_other_namespaces, capturing the fact that
406 we don't have enough location information to issue a fix-it hint
407 for this case. Update the error to support emitting a fix-it hint
408 where appropriate. For the "::" case, take responsibility for
409 issuing any suggestion from suggest_alternatives_for, supporting
410 emitting a fix-it hint.
411 * lex.c: Define INCLUDE_UNIQUE_PTR. Include "gcc-rich-location.h"
412 and "cp-name-hint.h".
413 (unqualified_name_lookup_error): Take responsibility for issuing
414 any suggestion from suggest_alternatives_for, supporting emitting
416 * name-lookup.c (class namespace_limit_reached): New subclass of
418 (class show_candidate_location): Likewise.
419 (class suggest_alternatives): Likewise.
420 (class namespace_hints): New class.
421 (suggest_alternatives_for): Convert return type from bool to
422 name_hint, replacing all direct diagnostic emission by setting
423 suggestions on the return value, or creating deferred diagnostics.
424 Specifically, split out initial traversal of namespaces into
425 namespace_hints' ctor, and maybe_decorate_with_limit, and move the
426 rest of the implementation to
427 namespace_hints::convert_candidates_to_name_hint and
428 suggest_alternatives_for_1.
429 (namespace_hints::namespace_hints): New ctor, adapted from
430 suggest_alternatives_for's initial namespace traversal, storing
431 location and name, and converting locals "candidates", "limited"
432 and "limit" into members.
433 (namespace_hints::convert_candidates_to_name_hint): New member
435 (namespace_hints::maybe_decorate_with_limit): New member function.
436 (suggest_alternatives_for_1): New function, based on second half
437 of old implementation of suggest_alternatives_for, converting from
438 immediate emission of suggestions to using name_hint.
439 (suggest_alternatives_in_other_namespaces): New function.
440 (maybe_suggest_missing_std_header): Convert from immediate
441 emission of suggestions to using name_hint, moving emission
443 (class missing_std_header): New subclass of deferred_diagnostic.
444 (maybe_suggest_missing_header): Convert return type from bool to
446 (suggest_alternative_in_explicit_scope): Convert from immediate
447 emission of suggestions to using name_hint.
448 * parser.c: Replace include of "c-family/name-hint.h" with
450 (cp_parser_diagnose_invalid_type_name): Update
451 "is there a suggestion" logic for change to
452 name_hint::operator bool. Take responsibility for emitting
453 fix-it hints from suggest_alternative_in_explicit_scope.
454 (cp_parser_namespace_name): Take responsibility for emitting
455 fix-it hints from suggest_alternative_in_explicit_scope. Don't
456 emit the "expected namespace-name" error if we've already emitted
457 an "is not a namespace-name" error.
459 2018-10-29 David Malcolm <dmalcolm@redhat.com>
462 * call.c (build_over_call): Eliminate the "arglocs" array, and the
463 call to maybe_constant_value when building "fargs".
465 2018-10-29 Paolo Carlini <paolo.carlini@oracle.com>
467 * decl.c (create_array_type_for_decl): Add location_t parameter
469 (grokdeclarator): Adjust call.
471 2018-10-29 Marek Polacek <polacek@redhat.com>
473 PR c++/87594 - constexpr rejects-valid with range-based for.
474 * constexpr.c (potential_constant_expression_1): If the condition
475 can't be evaluated, return true.
477 2018-10-29 Joseph Myers <joseph@codesourcery.com>
478 Julian Brown <julian@codesourcery.com>
481 * semantics.c (handle_omp_array_sections_1): Allow array
482 sections with "this" pointer for OpenACC.
484 2018-10-25 Jason Merrill <jason@redhat.com>
486 * parser.c (cp_parser_sizeof_operand): Remove redundant use of
489 2018-10-24 Jakub Jelinek <jakub@redhat.com>
492 * parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
493 :: is not present and attr_ns non-NULL, canonicalize also attr_id.
494 (cp_parser_attribute_spec): Fix comment typo.
496 2018-10-24 Martin Sebor <msebor@redhat.com>
499 * call.c (maybe_warn_class_memaccess): Tighten up.
501 2018-10-17 David Malcolm <dmalcolm@redhat.com>
503 * Make-lang.in (selftest-c++): New.
504 (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
505 (selftest-c++-gdb, selftest-c++-valgrind): Move here from
508 2018-10-17 Paolo Carlini <paolo.carlini@oracle.com>
511 * tree.c (build_cplus_new): Avoid duplicate diagnostic about
512 incomplete type, early return error_mark_node if the second
513 argument is error_mark_node.
515 2018-10-12 Nathan Sidwell <nathan@acm.org>
517 * parser.h (struct cp_parser): Drop implicit_extern_c.
518 * parser.c (cp_debug_parser): Drop implicit_extern_c.
519 (cp_parser_new): Likewise.
520 (cp_parser_translation_unit): Handle implicit extern c here. Call
521 cp_parser_toplevel_declaration.
522 (cp_parser_toplevel_declaration): New, broken out of ...
523 (cp_parser_declaration_seq_opt): ... here. Call it. Drop
524 implicit extern C handling.
526 2018-10-11 Will Wray <wjwray@gmail.com>
529 * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
530 (cxx_pretty_printer::constant): Use it.
532 2018-10-11 David Malcolm <dmalcolm@redhat.com>
535 * call.c (enforce_access): Move diagnostics to...
536 (complain_about_access): ...this new function.
537 * cp-tree.h (class access_failure_info): Rename split out field
538 "m_field_decl" into "m_decl" and "m_diag_decl".
539 (access_failure_info::record_access_failure): Add tree param.
540 (access_failure_info::was_inaccessible_p): New accessor.
541 (access_failure_info::get_decl): New accessor.
542 (access_failure_info::get_diag_decl): New accessor.
543 (access_failure_info::get_any_accessor): New member function.
544 (access_failure_info::add_fixit_hint): New static member function.
545 (complain_about_access): New decl.
546 * typeck.c (access_failure_info::record_access_failure): Update
547 for change to fields.
548 (access_failure_info::maybe_suggest_accessor): Split out into...
549 (access_failure_info::get_any_accessor): ...this new function...
550 (access_failure_info::add_fixit_hint): ...and this new function.
551 (finish_class_member_access_expr): Split out "has no member named"
552 error-handling into...
553 (complain_about_unrecognized_member): ...this new function, and
554 check that the guessed name is accessible along the access path.
555 Only provide a spell-correction fix-it hint if it is; otherwise,
556 attempt to issue an accessor fix-it hint.
558 2018-10-11 Nathan Sidwell <nathan@acm.org>
560 * parser.c (cp_parser_translation_unit): Return void. Don't fail
561 at first extra }, simplify logic.
562 (c_parse_file): Call finish_translation_unit here.
564 2018-10-11 Jakub Jelinek <jakub@redhat.com>
567 * typeck.c (maybe_warn_about_returning_address_of_local): If
568 whats_returned is a structured binding identifier and the structured
569 binding is a reference, recurse on its initializer.
572 * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
575 2018-10-10 Marek Polacek <polacek@redhat.com>
577 PR c++/87567 - constexpr rejects call to non-constexpr function.
578 * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
579 true if the condition is always false.
580 <case WHILE_STMT>: Likewise.
582 2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
585 * pt.c (convert_template_argument): Immediately return error_mark_node
586 if the second argument is erroneous.
587 * parser.c (cp_parser_type_id): Add location_t * parameter.
588 (cp_parser_type_id_1): Likewise.
589 (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
590 obtain the location of the type and save it.
591 (cp_parser_template_type_arg): Adjust.
592 (cp_parser_trailing_type_id): Likewise.
593 * decl.c (grokdeclarator): Improve error message for 'auto' in
596 2018-10-08 Paolo Carlini <paolo.carlini@oracle.com>
599 * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
600 explicitly instantiated.
602 2018-10-05 David Malcolm <dmalcolm@redhat.com>
605 * call.c (build_over_call): Build a vec of locations of the
606 arguments before the call to maybe_constant_value, and pass to
607 check_function_arguments.
608 * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
609 c_get_substring_location.
610 * parser.c (cp_parser_string_literal): Capture string
611 concatenation locations.
613 2018-10-04 Nathan Sidwell <nathan@acm.org>
615 * lang-specs.h: Use string contatenation, not line splicing.
617 2018-10-03 Jason Merrill <jason@redhat.com>
619 Implement P0840, language support for empty objects.
620 * tree.c (handle_no_unique_addr_attribute): New.
621 (cxx_attribute_table): Add [[no_unique_address]].
622 * class.c (field_poverlapping_p): New.
623 (layout_class_type): Check it. Adjust DECL_SIZE of potentially
625 (layout_empty_base_or_field): Rename from layout_empty_base, handle
627 (build_base_field, record_subobject_offsets): Adjust.
629 2018-10-03 Martin Liska <mliska@suse.cz>
631 PR gcov-profile/86109
632 * parser.c (cp_parser_lambda_declarator_opt):
633 Set DECL_LAMBDA_FUNCTION for lambdas.
635 2018-10-02 Richard Biener <rguenther@suse.de>
637 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
639 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
640 Pierre-Marie de Rodat <derodat@adacore.com>
642 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
644 2018-09-28 Richard Biener <rguenther@suse.de>
646 * error.c (cp_print_error_function): Simplify by eliding
647 the BLOCK_ABSTRACT_ORIGIN chasing.
649 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
652 * semantics.c (finish_unary_op_expr): Check return value of
653 build_x_unary_op for error_mark_node.
655 2018-09-25 Jakub Jelinek <jakub@redhat.com>
658 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
659 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
661 2018-09-25 Martin Liska <mliska@suse.cz>
663 * name-lookup.c (namespace_scope_ht_size): Remove
665 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
667 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
670 * method.c (lazily_declare_fn): During error-recovery add_method
673 2018-09-21 Marek Polacek <polacek@redhat.com>
675 PR c++/87372 - __func__ constexpr evaluation.
676 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
677 cxx_eval_outermost_constant_expr.
679 2018-09-20 Marek Polacek <polacek@redhat.com>
681 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
682 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
683 check to only return if we're converting the return value to a base
686 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
688 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
690 2018-09-20 Jason Merrill <jason@redhat.com>
692 PR c++/87075 - ICE with constexpr array initialization.
693 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
695 2018-09-19 Marek Polacek <polacek@redhat.com>
697 Add -Wclass-conversion.
698 * decl.c (grok_op_properties): Change a warning from -Wconversion to
699 -Wclass-conversion. Make it print the types.
701 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
704 * parser.c (cp_parser_initializer_list): Assign error_mark_node
705 to the index upon error.
707 2018-09-19 Marek Polacek <polacek@redhat.com>
709 PR c++/87357 - missing -Wconversion warning
710 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
711 a conversion to a reference to void. Use
712 same_type_ignoring_top_level_qualifiers_p rather than comparing types
715 2018-09-18 Marek Polacek <polacek@redhat.com>
717 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
718 * call.c (build_over_call): No longer check if we're outside a template
720 * class.c (build_vtbl_initializer): Build vtable's constructor with
722 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
723 initializer. Handle OBJ_TYPE_REF.
724 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
725 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
726 (initialize_artificial_var): Mark the variable as constexpr.
727 (grokdeclarator): Change error to pedwarn. Only warn when
728 pedantic and not C++2a.
730 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
733 * cp-tree.h (NON_ERROR): New.
734 * pt.c (auto_hash::hash): Use it.
735 (do_auto_deduction): Likewise.
737 2018-09-18 Nathan Sidwell <nathan@acm.org>
740 * name-lookup.c (check_local_shadow): Ignore auto types.
742 2018-09-17 David Malcolm <dmalcolm@redhat.com>
744 * error.c (range_label_for_type_mismatch::get_text): Update for
747 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
749 * typeck2.c (digest_init_r): Fix overlength strings.
751 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
754 * method.c (constructible_expr): We're in an unevaluated context
755 in all cases, not just for class targets.
757 2018-09-12 David Malcolm <dmalcolm@redhat.com>
760 * call.c (struct conversion_info): Add "loc" field.
761 (arg_conversion_rejection): Add "loc" param, using it to
762 initialize the new field.
763 (bad_arg_conversion_rejection): Likewise.
764 (explicit_conversion_rejection): Initialize the new field to
766 (template_conversion_rejection): Likewise.
767 (add_function_candidate): Pass on the argument location to the new
768 param of arg_conversion_rejection.
769 (add_conv_candidate): Likewise.
770 (build_builtin_candidate): Likewise.
771 (build_user_type_conversion_1): Likewise.
772 (single_z_candidate): New function.
773 (maybe_get_bad_conversion_for_unmatched_call): New function.
774 (complain_about_bad_argument): New function, based on part of
775 convert_for_assignment.
776 (build_new_method_call_1): Split out handling of the "no viable
777 candidates" case into...
778 (complain_about_no_candidates_for_method_call): ...this new
779 function, and use the new functions above to special-case the
780 handling of a single non-viable candidate due to a bad argument.
781 * cp-tree.h (complain_about_bad_argument): New decl.
782 * typeck.c (convert_for_assignment): Split out one error-handling
783 case into complain_about_bad_argument.
785 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
786 Julian Brown <julian@codesourcery.com>
789 * semantics.c (finish_omp_clauses): Treat C++ references the same in
792 2018-08-28 Martin Liska <mliska@suse.cz>
794 * constexpr.c (cxx_eval_call_expression): Add quotes
795 to -fconstexpr-depth=.
797 2018-09-10 Marek Polacek <polacek@redhat.com>
799 * class.c (build_vtbl_ref): Remove.
800 (build_vtbl_ref_1): Rename to build_vtbl_ref.
801 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
803 2018-09-08 Marek Polacek <polacek@redhat.com>
805 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
806 * call.c (struct conversion): Update commentary.
807 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
810 2018-09-08 Jason Merrill <jason@redhat.com>
812 PR c++/86678 - constexpr function with non-constant after return.
813 * constexpr.c (potential_constant_expression_1): Add jump_target.
814 (breaks): Check for BREAK_STMT.
815 (continues): Check for CONTINUE_STMT.
817 2018-09-08 Marek Polacek <polacek@redhat.com>
819 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
820 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
822 2018-09-07 Marek Polacek <polacek@redhat.com>
824 PR c++/87152 - range-based for loops with initializer broken in templates.
825 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
826 Recur into RANGE_FOR_INIT_STMT.
827 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
828 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
829 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
831 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
833 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
834 Do put the init statement in RANGE_FOR_INIT_STMT.
835 (finish_range_for_decl): Pop it for templates.
837 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
839 * decl.c (check_initializer): Call cp_complete_array_type.
841 2018-09-05 Marek Polacek <polacek@redhat.com>
843 PR c++/87109, wrong overload with ref-qualifiers.
844 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
845 out if performing the maybe-rvalue overload resolution and a conversion
846 function is getting called.
848 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
849 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
850 to std::move or std::forward.
851 (is_std_forward_p): New function.
853 2018-09-05 Pádraig Brady <p@draigbrady.com>
856 * lambda.c (prune_lambda_captures): Protect against const_vars.get
859 2018-09-04 Marek Polacek <polacek@redhat.com>
861 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
862 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
863 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
865 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
866 (check_return_expr): Likewise.
868 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
871 * constraint.cc (finish_shorthand_constraint): Early return if the
872 constraint is erroneous.
874 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
876 * decl.c (eval_check_narrowing): Remove.
877 (check_initializer): Move call to braced_list_to_string from here ...
878 * typeck2.c (store_init_value): ... to here.
879 (digest_init_r): Remove handing of signed/unsigned char strings.
881 2018-08-31 Nathan Sidwell <nathan@acm.org>
885 * name-lookup.c (name_lookup::search_namespace): Don't look at
886 inlines when searching for NULL names.
888 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
889 of return types and parms.
890 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
891 '()' always means '(void)'.
893 2018-08-29 Jakub Jelinek <jakub@redhat.com>
896 * decl.c (begin_destructor_body): If current_class_type has
897 virtual bases and the primary base is nearly empty virtual base,
898 voidify clearing of vptr and make it conditional on in-charge
901 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
904 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
905 returns error_mark_node early exit the loop.
906 (cp_parser_template_introduction): Improve error-recovery, remove
907 error call about empty introduction-list.
909 2018-08-29 David Malcolm <dmalcolm@redhat.com>
912 * call.c (print_conversion_rejection): Add "fn" param and use it
913 for "no known conversion" messages to underline the pertinent
915 (print_z_candidate): Supply "fn" to the new param above.
917 2018-08-29 Jakub Jelinek <jakub@redhat.com>
920 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
921 processing_template_decl and decl is structured binding decl, call
924 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
927 * decl.c (finish_case_label): If the type is erroneous early
928 return error_mark_node.
930 2018-08-27 David Malcolm <dmalcolm@redhat.com>
933 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
936 2018-08-27 Jakub Jelinek <jakub@redhat.com>
939 * cp-tree.h (cxx_readonly_error): Add location_t argument.
940 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
941 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
942 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
943 pass LOC to it. Formatting fixes.
944 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
945 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
946 * semantics.c (finish_asm_stmt): Pass input_location to
949 2018-08-27 David Malcolm <dmalcolm@redhat.com>
952 * decl.c (grokdeclarator): Update for conversion of show_caret_p
954 * error.c (cp_printer): Likewise.
955 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
956 maybe_add_include_fixit to suggest overriding the location, as it
958 * parser.c (cp_parser_string_literal): Update for conversion of
959 show_caret_p to a tri-state.
960 (cp_parser_elaborated_type_specifier): Likewise.
961 (set_and_check_decl_spec_loc): Likewise.
962 * pt.c (listify): Update call to maybe_add_include_fixit to not
963 override the location, as it is for an error.
964 * rtti.c (typeid_ok_p): Likewise.
966 2018-08-27 Martin Liska <mliska@suse.cz>
968 * call.c (build_call_a): Use new function
969 fndecl_built_in_p and remove check for FUNCTION_DECL if
971 (build_cxx_call): Likewise.
972 * constexpr.c (constexpr_fn_retval): Likewise.
973 (cxx_eval_builtin_function_call): Likewise.
974 (cxx_eval_call_expression): Likewise.
975 (potential_constant_expression_1): Likewise.
976 * cp-gimplify.c (cp_gimplify_expr): Likewise.
978 * decl.c (decls_match): Likewise.
979 (validate_constexpr_redeclaration): Likewise.
980 (duplicate_decls): Likewise.
981 (make_rtl_for_nonlocal_decl): Likewise.
982 * name-lookup.c (consider_binding_level): Likewise.
983 (cp_emit_debug_info_for_using): Likewise.
984 * semantics.c (finish_call_expr): Likewise.
985 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
987 2018-08-26 Marek Polacek <polacek@redhat.com>
990 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
992 PR c++/87029, Implement -Wredundant-move.
993 * typeck.c (treat_lvalue_as_rvalue_p): New function.
994 (maybe_warn_pessimizing_move): Call convert_from_reference.
995 Warn about redundant moves.
997 2018-08-24 Marek Polacek <polacek@redhat.com>
1001 * decl.c (grokdeclarator): Disallow functions with trailing return
1002 type with decltype(auto) as its type. Also check the function if
1003 it's inner declarator doesn't exist
1005 2018-08-21 Marek Polacek <polacek@redhat.com>
1008 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
1009 lambda has a capture-default.
1011 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
1013 * decl.c (check_static_variable_definition): Change to return void.
1015 2018-08-21 Marek Polacek <polacek@redhat.com>
1017 PR c++/86981, Implement -Wpessimizing-move.
1018 * typeck.c (decl_in_std_namespace_p): New.
1019 (is_std_move_p): New.
1020 (maybe_warn_pessimizing_move): New.
1021 (can_do_nrvo_p): New, factored out of ...
1022 (check_return_expr): ... here. Warn about potentially harmful
1023 std::move in a return statement.
1026 * call.c (standard_conversion): Set check_narrowing.
1027 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
1028 than comparing with INTEGER_TYPE.
1030 * cp-tree.h: Fix typo.
1032 2018-08-20 David Malcolm <dmalcolm@redhat.com>
1035 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
1037 (print_error_for_call_failure): Likewise.
1038 (build_op_call_1): Likewise.
1039 (build_conditional_expr_1): Likewise.
1040 (build_new_op_1): Likewise.
1041 (build_op_delete_call): Likewise.
1042 (convert_like_real): Likewise.
1043 (build_over_call): Likewise.
1044 (build_new_method_call_1): Likewise.
1046 * class.c (check_tag): Likewise.
1047 (finish_struct_anon_r): Likewise.
1048 (one_inherited_ctor): Likewise.
1049 (finalize_literal_type_property): Likewise.
1050 (explain_non_literal_class): Likewise.
1051 (find_flexarrays): Likewise.
1052 (resolve_address_of_overloaded_function): Likewise.
1053 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1054 (is_valid_constexpr_fn): Likewise.
1055 (cx_check_missing_mem_inits): Likewise.
1056 * cp-gimplify.c (cp_genericize_r): Likewise.
1057 * cvt.c (maybe_warn_nodiscard): Likewise.
1058 * decl.c (warn_extern_redeclared_static): Likewise.
1059 (check_redeclaration_exception_specification): Likewise.
1060 (check_no_redeclaration_friend_default_args): Likewise.
1061 (duplicate_decls): Likewise.
1062 (redeclaration_error_message): Likewise.
1063 (warn_misplaced_attr_for_class_type): Likewise.
1064 * decl2.c (finish_static_data_member_decl): Likewise.
1065 (no_linkage_error): Likewise.
1066 (cp_warn_deprecated_use): Likewise.
1067 * error.c (qualified_name_lookup_error): Likewise.
1068 * friend.c (make_friend_class): Likewise.
1069 (do_friend): Likewise.
1070 * init.c (perform_member_init): Likewise.
1071 (build_new_1): Likewise.
1072 (build_vec_delete_1): Likewise.
1073 (build_delete): Likewise.
1074 * lex.c (unqualified_name_lookup_error): Likewise.
1075 * name-lookup.c (check_extern_c_conflict): Likewise.
1076 (inform_shadowed): New function.
1077 (check_local_shadow): Add auto_diagnostic_group instances,
1078 replacing goto "inform_shadowed" label with call to subroutine.
1079 (set_local_extern_decl_linkage): Add auto_diagnostic_group
1081 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1082 (cp_parser_namespace_name): Likewise.
1083 * pt.c (check_specialization_namespace): Likewise.
1084 (check_template_variable): Likewise.
1085 (warn_spec_missing_attributes): Likewise.
1086 (check_explicit_specialization): Likewise.
1087 (process_partial_specialization): Likewise.
1088 (lookup_template_class_1): Likewise.
1089 (finish_template_variable): Likewise.
1090 (do_auto_deduction): Likewise.
1091 * search.c (check_final_overrider): Likewise.
1092 (look_for_overrides_r): Likewise.
1093 * tree.c (maybe_warn_parm_abi): Likewise.
1094 * typeck.c (cxx_sizeof_expr): Likewise.
1095 (cp_build_function_call_vec): Likewise.
1096 (cp_build_binary_op): Likewise.
1097 (convert_for_assignment): Likewise.
1098 (maybe_warn_about_returning_address_of_local): Likewise.
1099 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
1100 (check_narrowing): Likewise.
1102 2018-08-17 David Malcolm <dmalcolm@redhat.com>
1104 * typeck.c (string_conv_p): Extract location from EXP and use it
1105 in preference to input_location when issuing warnings.
1107 2018-08-15 David Malcolm <dmalcolm@redhat.com>
1109 * call.c: Include "gcc-rich-location.h".
1110 (convert_like_real): Add range label for "invalid conversion"
1112 (perform_implicit_conversion_flags): Add type label to the
1113 "could not convert" error.
1114 * error.c: Include "gcc-rich-location.h".
1115 (range_label_for_type_mismatch::get_text): New function.
1116 * typeck.c (convert_for_assignment): Add type label to
1117 the "cannot convert" error if a location is available.
1119 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
1121 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
1122 emit an error instead of a permerror.
1124 2018-08-13 Marek Polacek <polacek@redhat.com>
1127 * call.c (struct conversion): Add check_narrowing_const_only.
1128 (build_converted_constant_expr): Set check_narrowing and
1129 check_narrowing_const_only. Give error if expr is error node.
1130 (convert_like_real): Pass it to check_narrowing.
1131 * cp-tree.h (check_narrowing): Add a default parameter.
1132 * decl.c (compute_array_index_type): Use input_location instead of
1134 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
1135 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
1136 expressions. Call maybe_constant_value instead of
1137 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
1138 narrowing for constants if CONST_ONLY.
1140 2018-08-13 Martin Sebor <msebor@redhat.com>
1142 PR tree-optimization/71625
1143 * decl.c (check_initializer): Call braced_list_to_string.
1144 (eval_check_narrowing): New function.
1145 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
1146 as initilizers for all narrow character types.
1148 2018-08-13 Marek Polacek <polacek@redhat.com>
1150 P0806R2 - Deprecate implicit capture of this via [=]
1151 * lambda.c (add_default_capture): Formatting fixes. Warn about
1152 deprecated implicit capture of this via [=].
1155 * decl.c (create_array_type_for_decl): Handle null name.
1157 2018-08-10 Jason Merrill <jason@redhat.com>
1159 PR c++/86728 - C variadic generic lambda.
1160 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
1161 a pack if it's followed by a declarator-id.
1163 2018-08-08 Jakub Jelinek <jakub@redhat.com>
1165 P0595R1 - is_constant_evaluated
1166 * cp-tree.h (enum cp_built_in_function): New.
1167 (maybe_constant_init): Add pretend_const_required argument.
1168 * typeck2.c (store_init_value): Pass true as new argument to
1169 maybe_constant_init.
1170 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
1171 for BUILT_IN_UNREACHABLE.
1172 (struct constexpr_ctx): Add pretend_const_required field.
1173 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
1174 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
1175 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
1176 (cxx_eval_outermost_constant_expr): Add pretend_const_required
1177 argument, initialize pretend_const_required field in ctx. If the
1178 result is TREE_CONSTANT and non_constant_p, retry with
1179 pretend_const_required false if it was true.
1180 (is_sub_constant_expr): Initialize pretend_const_required_field in
1182 (cxx_constant_value): Pass true as pretend_const_required to
1183 cxx_eval_outermost_constant_expr.
1184 (maybe_constant_value): Pass false as pretend_const_required to
1185 cxx_eval_outermost_constant_expr.
1186 (fold_non_dependent_expr): Likewise.
1187 (maybe_constant_init_1): Add pretend_const_required argument, pass it
1188 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
1189 instead of false as strict to cxx_eval_outermost_constant_expr.
1190 (maybe_constant_init): Add pretend_const_required argument, pass it
1191 down to maybe_constant_init_1.
1192 (cxx_constant_init): Pass true as pretend_const_required to
1193 maybe_constant_init_1.
1194 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
1195 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
1196 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
1197 * decl.c: Include langhooks.h.
1198 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
1200 * tree.c (builtin_valid_in_constant_expr_p): Return true for
1201 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
1202 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
1205 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
1206 before tsubst_init, not after it.
1209 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
1210 NULL pointer set *non_constant_p to true.
1211 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
1212 set *non_constant_p to true and return t.
1214 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
1216 PR c++/59480, DR 136
1217 * decl.c (check_no_redeclaration_friend_default_args): New.
1218 (duplicate_decls): Use the latter; also check that a friend
1219 declaration specifying default arguments is a definition.
1221 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
1224 * name-lookup.c (check_local_shadow): Reject captures and parameters
1227 2018-08-06 Marek Polacek <polacek@redhat.com>
1230 * constexpr.c (cxx_eval_statement_list): Handle continue.
1232 2018-08-03 David Malcolm <dmalcolm@redhat.com>
1233 Jonathan Wakely <jwakely@redhat.com>
1235 * decl.c: Include "gcc-rich-location.h".
1236 (add_return_star_this_fixit): New function.
1237 (finish_function): When warning about missing return statements in
1238 functions returning non-void, add a "return *this;" fix-it hint for
1239 assignment operators.
1241 2018-08-03 Jason Merrill <jason@redhat.com>
1244 * class.c (build_base_path): Use currently_open_class.
1246 2018-08-02 David Malcolm <dmalcolm@redhat.com>
1248 * error.c (cxx_print_error_function): Duplicate "file" before
1249 passing it to pp_set_prefix.
1250 (cp_print_error_function): Use pp_take_prefix when saving the
1253 2018-08-02 Richard Biener <rguenther@suse.de>
1256 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
1257 to the CLASSTYPE_AS_BASE.
1259 2018-08-01 Martin Sebor <msebor@redhat.com>
1261 PR tree-optimization/86650
1262 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
1263 TREE_BLOCK (t) from within percent_K_format to this callsite.
1265 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
1268 * class.c (note_name_declared_in_class): Use location_of in permerror
1269 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
1271 2018-07-31 Tom de Vries <tdevries@suse.de>
1274 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
1276 2018-07-31 Jakub Jelinek <jakub@redhat.com>
1278 P1008R1 - prohibit aggregates with user-declared constructors
1279 * class.c (check_bases_and_members): For C++2a set
1280 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
1281 type_has_user_provided_or_explicit_constructor.
1283 2018-07-31 Martin Liska <mliska@suse.cz>
1286 * parser.c (cp_parser_condition): Initialize non_constant_p
1289 2018-07-28 David Malcolm <dmalcolm@redhat.com>
1291 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
1292 into alphabetical order, and add missing "%G" and "%K". Within
1293 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
1294 cases are in alphabetical order.
1296 2018-07-25 Jakub Jelinek <jakub@redhat.com>
1298 * cp-tree.h (enum cp_tree_index): Add
1299 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
1300 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
1301 (abi_tag_identifier, aligned_identifier, begin_identifier,
1302 end_identifier, get__identifier, gnu_identifier,
1303 tuple_element_identifier, tuple_size_identifier, type_identifier,
1304 value_identifier, fun_identifier, closure_identifier): Define.
1305 * decl.c (initialize_predefined_identifiers): Initialize the above
1307 (get_tuple_size): Use tuple_size_identifier instead of
1308 get_identifier ("tuple_size") and value_identifier instead of
1309 get_identifier ("value").
1310 (get_tuple_element_type): Use tuple_element_identifier instead of
1311 get_identifier ("tuple_element") and type_identifier instead of
1312 get_identifier ("type").
1313 (get_tuple_decomp_init): Use get__identifier instead of
1314 get_identifier ("get").
1315 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
1316 get_identifier ("_FUN").
1317 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
1318 instead of get_identifier ("__closure").
1319 (cp_parser_std_attribute): Use gnu_identifier instead of
1320 get_identifier ("gnu").
1321 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
1322 instead of get_identifier ("aligned").
1323 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
1324 abi_tag_identifier instead of get_identifier ("abi_tag").
1327 * cp-tree.h (enum cp_tree_index): Add
1328 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
1329 (for_range__identifier, for_begin__identifier, for_end__identifier,
1330 for_range_identifier, for_begin_identifier, for_end_identifier):
1332 * decl.c (initialize_predefined_identifiers): Initialize
1333 for_{range,begin,end}{,_}_identifier.
1334 * parser.c (build_range_temp): Use for_range__identifier instead of
1335 get_identifier ("__for_range").
1336 (cp_convert_range_for): Use for_begin__identifier and
1337 for_end__identifier instead of get_identifier ("__for_begin") and
1338 get_identifier ("__for_end").
1339 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
1340 local symbols to "__for_{range,begin,end}".
1342 2018-07-23 Jakub Jelinek <jakub@redhat.com>
1345 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
1346 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
1347 or warn_nonnull_compare.
1349 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
1351 Revert fix for c++/59480 (and testsuite followup)
1353 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
1355 PR c++/59480, DR 136
1356 * decl.c (check_no_redeclaration_friend_default_args): New.
1357 (duplicate_decls): Use the latter; also check that a friend
1358 declaration specifying default arguments is a definition.
1360 2018-07-18 Jakub Jelinek <jakub@redhat.com>
1363 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
1364 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
1366 2018-07-18 Marek Polacek <polacek@redhat.com>
1368 PR c++/86190 - bogus -Wsign-conversion warning
1369 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
1372 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
1374 PR c++/59480, DR 136
1375 * decl.c (check_no_redeclaration_friend_default_args): New.
1376 (duplicate_decls): Use the latter; also check that a friend
1377 declaration specifying default arguments is a definition.
1379 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
1381 * class.c (note_name_declared_in_class): Prefer permerror + inform
1382 to a pair of permerrors; use DECL_SOURCE_LOCATION.
1384 2018-07-18 Richard Biener <rguenther@suse.de>
1387 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
1388 start_static_storage_duration_function sets current_function_decl.
1390 2018-07-17 Jason Merrill <jason@redhat.com>
1392 PR c++/86480 - nested variadic lambda and constexpr if.
1393 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
1395 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
1396 cp_unevaluated_operand.
1397 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
1399 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
1401 * class.c (resolve_address_of_overloaded_function): Don't emit an
1402 inform if the matching permerror returns false.
1403 * pt.c (check_specialization_namespace): Likewise.
1405 2018-07-16 Jakub Jelinek <jakub@redhat.com>
1409 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
1410 in TREE_USED flag from stmt to h->to.
1412 2018-07-13 Nathan Sidwell <nathan@acm.org>
1415 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
1416 contexts that are classes.
1417 * parser.c (cp_parser_template_id): Combine entering_scope decl &
1420 2018-07-12 Jakub Jelinek <jakub@redhat.com>
1422 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
1423 type here, instead add "omp declare target implicit" attribute. Add
1424 that attribute instead of "omp declare target" also when
1425 processing_template_decl.
1426 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
1427 and before calling cp_omp_mappable_type call complete_type.
1429 2018-07-10 Jakub Jelinek <jakub@redhat.com>
1432 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
1436 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
1437 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
1438 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
1439 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
1440 TREE_LIST for both the original class iterator and the "last" helper
1443 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
1445 * decl.c (grokdeclarator): Use rich_location::add_range in three
1446 more places; include gcc-rich-location.h.
1448 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
1450 * decl.c (build_enumerator): Change overflow type to overflow_type.
1451 * init.c (build_new_1): Same.
1453 2018-07-05 Nathan Sidwell <nathan@acm.org>
1455 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
1456 NO_IMPLICIT_EXTERN_C.
1457 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
1459 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1462 * method.c (is_trivially_xible): Return false
1463 if is_xible_helper returns a NULL_TREE.
1465 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
1467 * decl.c (min_location): New.
1468 (smallest_type_quals_location): Use the latter.
1469 (check_concept_fn): Use DECL_SOURCE_LOCATION.
1470 (grokdeclarator): Use accurate locations in a number of error
1471 messages involving ds_thread, ds_storage_class, ds_virtual,
1472 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
1474 2018-07-03 Marek Polacek <polacek@redhat.com>
1477 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
1479 2018-07-03 Jason Merrill <jason@redhat.com>
1481 PR c++/86378 - functional cast in noexcept-specifier.
1482 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
1484 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
1486 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
1487 in error message about __thread and thread_local at the same time.
1489 2018-06-29 Marek Polacek <polacek@redhat.com>
1492 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
1494 2018-06-28 David Malcolm <dmalcolm@redhat.com>
1496 * parser.c (cp_parser_error_1): After issuing a conflict marker
1497 error, consume tokens until the end of the source line.
1499 2018-06-28 Jason Merrill <jason@redhat.com>
1501 PR c++/86342 - -Wdeprecated-copy and system headers.
1502 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
1505 2018-06-27 David Malcolm <dmalcolm@redhat.com>
1508 * name-lookup.c (consider_binding_level): Filter out names that
1509 match anon_aggrname_p.
1511 2018-06-27 Jason Merrill <jason@redhat.com>
1513 * name-lookup.c (do_pushtag): If we skip a class level, also skip
1516 2018-06-26 Jason Merrill <jason@redhat.com>
1518 PR c++/86320 - memory-hog with std::array of pair
1519 * typeck2.c (process_init_constructor_array): Only compute a
1520 constant initializer once.
1522 PR c++/80290 - memory-hog with std::pair.
1523 * pt.c (fn_type_unification): Add convs parameter.
1524 (check_non_deducible_conversion): Remember conversion.
1525 (check_non_deducible_conversions): New. Do checks here.
1526 (type_unification_real): Not here. Remove flags parm.
1527 * call.c (add_function_candidate): Make convs a parameter.
1528 Don't recalculate the conversion if it's already set.
1529 (add_template_candidate_real): Allocate convs here.
1530 (good_conversion, conv_flags): New.
1532 2018-06-26 Jakub Jelinek <jakub@redhat.com>
1535 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
1536 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
1538 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
1540 * decl.c (bad_specifiers): Add const location_t* parameter and
1541 use locations in error messages about 'inline' and 'virtual'.
1542 (mark_inline_variable): Add location_t parameter and use it in
1543 error_at and pedwarn messages.
1544 (grokdeclarator): Use declspecs->locations[ds_constexpr],
1545 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
1546 declspecs->locations[ds_inline] in many error messages; adjust
1547 bad_specifiers and mark_inline_variable calls.
1548 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
1550 2018-06-22 Jason Merrill <jason@redhat.com>
1552 PR c++/86219 - ICE with erroneous initializer in template.
1553 * constexpr.c (fold_non_dependent_expr): Add complain parm.
1554 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
1556 * call.c (build_cxx_call): Don't mess with builtins in a template.
1557 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
1558 produce a constant value, go back to the uninstantiated form.
1560 Avoid taking the address of something just because it's in parens.
1561 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
1562 (cxx_fold_indirect_ref): Use it.
1563 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
1564 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
1565 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
1566 static_cast to reference type.
1567 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
1569 2018-06-21 Jason Merrill <jason@redhat.com>
1571 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
1573 * name-lookup.c (do_push_to_top_level): Don't allocate
1575 (do_pop_from_top_level): Release current_lang_base.
1577 Let -fmem-report see callers of cxx_make_type.
1578 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
1579 (make_class_type): Likewise.
1580 (cxx_make_type_hook): New.
1581 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1583 2018-06-20 Nathan Sidwell <nathan@acm.org>
1586 * friend.c (add_friend): Keep lookup sets of tempate sets.
1588 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
1590 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1591 tidy handling of a null location_t argument; use proper location
1592 information in a few additional error messages.
1593 (grokdeclarator): Update calls.
1595 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
1596 Thomas Schwinge <thomas@codesourcery.com>
1597 Cesar Philippidis <cesar@codesourcery.com>
1599 * parser.c (cp_parser_omp_clause_name): Add support for finalize
1600 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1601 to their non-present_or_* counterparts. Make 'self' an alias to
1602 PRAGMA_OACC_CLAUSE_HOST.
1603 (cp_parser_oacc_data_clause): Update GOMP mappings for
1604 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1605 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1606 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1607 Remove support for present_or_* clauses.
1608 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1609 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1610 (OACC_DECLARE_CLAUSE_MASK): Likewise.
1611 (OACC_DATA_CLAUSE_MASK): Likewise.
1612 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1613 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1614 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1615 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1616 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1617 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1619 2018-06-20 Marek Polacek <polacek@redhat.com>
1622 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1623 (fold_simple_1): Likewise.
1624 * error.c (dump_expr): Likewise.
1626 2018-06-20 Nathan Sidwell <nathan@acm.org>
1629 * cp-tree.h (lookup_keep): Drop KEEP parm.
1630 (lookup_list_keep): Delete.
1631 (maybe_get_fns): Declare.
1632 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1633 (cp_parser_template_id): Not here ...
1634 * decl.c (cp_finish_decl): ... nor here ...
1635 * init.c (build_raw_new_expr): ... nor here ...
1636 * pt.c (process_template_parm): ... nor here ...
1637 * semantics.c (perform_koenig_lookup): Call lookup_keep.
1638 (finish_call_expr): Not here.
1639 * tree.c (ovl_cache): Delete.
1640 (ovl_make, ovl_copy): No cache.
1641 (lookup_keep): Always keep.
1642 (lookup_list_keep): Delete.
1643 (maybe_get_fns): New, broken out of ...
1644 (get_fns): ... here. Call it.
1645 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1646 (build_min_nt_call_vec): Likewise.
1648 2018-06-19 Jason Merrill <jason@redhat.com>
1650 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1651 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1653 PR c++/86182 - ICE with anonymous union passed to template.
1654 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1655 used to declare a named variable.
1657 2018-06-18 Jason Merrill <jason@redhat.com>
1659 * tree.c (cp_expr_location): New.
1660 * cp-tree.h (cp_expr_loc_or_loc): New.
1661 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1662 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1663 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1665 * parser.c (cp_parser_lambda_expression): Use a range for
1666 LAMBDA_EXPR_LOCATION.
1668 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1669 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1672 PR c++/81060 - ICE with unexpanded parameter pack.
1673 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1674 * decl.c (grokdeclarator): Call it for qualifying_scope.
1676 PR c++/86171 - ICE with recursive alias instantiation.
1677 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1679 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1681 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1682 in errors about redefined default arguments; tidy.
1684 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1686 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1687 * cp-gimplify.c (cp_fold): Likewise.
1689 2018-06-15 Jason Merrill <jason@redhat.com>
1691 PR c++/86147 - wrong capture for template argument.
1692 * expr.c (mark_use): Look through NOP_EXPR.
1694 * name-lookup.c (do_pushtag): Don't look through complete types, but
1695 don't add to them either. Get context from current_binding_level.
1696 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1698 * decl.c (start_enum): Do compare dependent underlying type.
1700 PR c++/82882 - ICE with lambda in template default argument.
1701 * lambda.c (record_null_lambda_scope): New.
1702 * pt.c (tsubst_lambda_expr): Use it.
1703 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1704 function that isn't open.
1706 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1708 2018-06-14 Marek Polacek <polacek@redhat.com>
1711 * decl2.c (cp_check_const_attributes): Skip trees that are not
1714 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1716 P0624R2 - Default constructible and assignable stateless lambdas
1717 * method.c (synthesized_method_walk): For C++2a don't mark
1718 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1721 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1723 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1724 OPT_Wshadow warning_at.
1725 (grokfndecl): Consistently use the location_t argument in
1726 literal operator diagnostic messages.
1727 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1729 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1732 2018-06-13 Jason Merrill <jason@redhat.com>
1734 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1735 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1738 PR c++/86094 - wrong code with defaulted move ctor.
1739 * class.c (classtype_has_non_deleted_move_ctor): New.
1740 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1741 Handle v12 breakage.
1743 2018-06-12 Jason Merrill <jason@redhat.com>
1745 PR c++/86098 - ICE with template placeholder for TTP.
1746 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1747 CLASS_PLACEHOLDER_TEMPLATE.
1749 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1751 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1752 parameter and adjust error_at calls.
1753 * decl.c (grok_op_properties): Adjust calls.
1754 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1756 2018-06-12 Marek Polacek <polacek@redhat.com>
1758 Core issue 1331 - const mismatch with defaulted copy constructor
1759 * class.c (check_bases_and_members): When checking a defaulted
1760 function, mark it as deleted rather than giving an error.
1762 2018-06-11 Jason Merrill <jason@redhat.com>
1764 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1765 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1768 PR c++/85963 - -Wunused-but-set with ?: in template.
1769 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1771 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1773 * decl.c (grok_op_properties): Consistently use the location
1774 of the decl; remove special casing of POSTINCREMENT_EXPR and
1775 POSTDECREMENT_EXPR wrt default arguments.
1777 2018-06-05 Jason Merrill <jason@redhat.com>
1779 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1780 of pointers to members of the same union.
1782 2018-06-11 Jason Merrill <jason@redhat.com>
1784 PR c++/86094 - wrong code with defaulted move ctor.
1785 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1787 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1789 * decl.c (grokfndecl): Use the location_t argument in two more places.
1791 2018-06-06 Marek Polacek <polacek@redhat.com>
1794 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1795 deduction from the list elements.
1796 (type_unification_real): Check convertibility of list elements.
1798 2018-06-06 Jason Merrill <jason@redhat.com>
1800 PR c++/86060 - ICE on range for with -std=c++98.
1801 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1804 PR c++/85710 - ICE with -Wmemset-elt-size.
1805 * semantics.c (finish_call_expr): Call warn_for_memset here.
1806 * parser.c (cp_parser_postfix_expression): Not here.
1807 (literal_integer_zerop): No longer static.
1808 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1810 2018-06-05 Marek Polacek <polacek@redhat.com>
1813 * tree.c (cp_tree_equal): Handle USING_DECL.
1815 2018-06-05 Jason Merrill <jason@redhat.com>
1817 PR c++/85731 - wrong error with qualified-id in template.
1818 * semantics.c (finish_qualified_id_expr): build_qualified_name
1819 for unbound names in the current class.
1821 2018-06-04 Jason Merrill <jason@redhat.com>
1823 PR c++/61806 - missed SFINAE with partial specialization.
1824 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1825 parameter to constructor.
1826 * pt.c (instantiate_class_template_1): Enable access checking
1827 before call to most_specialized_partial_spec.
1829 PR c++/85765 - SFINAE and non-type default template arg.
1830 * pt.c (type_unification_real): Do full semantic processing if
1831 substituting a partial args list replaces all template parms.
1833 2018-06-03 Jason Merrill <jason@redhat.com>
1835 PR c++/85739 - ICE with pointer to member template parm.
1836 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1838 2018-06-02 Jason Merrill <jason@redhat.com>
1840 PR c++/85761 - ICE with ill-formed use of const outer variable.
1841 * expr.c (mark_use): Handle location wrappers.
1843 2018-06-01 Jason Merrill <jason@redhat.com>
1845 PR c++/85764 - bogus 'this' not captured error.
1846 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1847 (nonlambda_method_basetype): Handle NSDMI.
1849 CWG 1581: When are constexpr member functions defined?
1850 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1851 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1853 PR c++/58281 - explicit instantiation of constexpr
1854 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1856 * pt.c (instantiate_decl): Any defaulted function is defined.
1858 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1861 * call.c (resolve_args): Use location of expression, not current input
1864 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1866 Do not warn about zero-as-null when NULL is used.
1867 * call.c (conversion_null_warnings): Check for pointer
1868 types converted from zero constants.
1869 (convert_like_real): Add a warning sentinel at the end.
1870 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1873 2018-05-30 Jason Merrill <jason@redhat.com>
1875 PR c++/85807 - ICE with call in template NSDMI.
1876 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1877 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1879 PR c++/85873 - constant initializer_list array not in .rodata.
1880 * tree.c (build_target_expr): Set TREE_READONLY.
1881 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1883 * parser.c (cp_parser_check_condition_declarator): Handle
1884 cp_error_declarator.
1886 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1888 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1889 of using it in dead store.
1891 2018-05-29 Jason Merrill <jason@redhat.com>
1893 PR c++/67445 - returning temporary initializer_list.
1894 PR c++/67711 - assigning from temporary initializer_list.
1895 PR c++/48562 - new initializer_list.
1896 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1897 about returning local initializer_list.
1898 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1899 * call.c (build_over_call): Warn about assignment from temporary
1901 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1902 (find_list_begin, maybe_warn_list_ctor): New.
1903 (perform_member_init): Use maybe_warn_list_ctor.
1905 2018-05-29 Marek Polacek <polacek@redhat.com>
1908 * init.c (build_new): Handle deducing a class with new
1909 with more than one argument.
1911 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1914 * init.c (build_aggr_init): For structured binding initialized from
1915 array call mark_rvalue_use on the initializer.
1917 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1919 * decl2.c (start_static_storage_duration_function): Use
1920 splay_tree_delete_pointers.
1922 2018-05-25 Jason Merrill <jason@redhat.com>
1924 PR c++/85815 - reference to member of enclosing template.
1925 * search.c (lookup_base): Use currently_open_class.
1926 (lookup_member): Use it regardless of -fconcepts.
1927 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1929 CWG 616, 1213 - value category of subobject references.
1930 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1932 2018-05-24 Jason Merrill <jason@redhat.com>
1934 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1935 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1938 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1940 Pedwarn on a non-standard position of a C++ attribute.
1941 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1942 after the namespace name.
1944 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1946 * cp-tree.h (INDIRECT_TYPE_P): New.
1947 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1948 joust): Use it instead of POINTER_TYPE_P.
1949 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1950 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1951 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1952 * cxx_eval_increment_expression, potential_constant_expression_1):
1954 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1955 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1956 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1957 cp_ubsan_maybe_instrument_downcast): Likewise.
1958 * cvt.c (cp_convert_to_pointer, ocp_convert,
1959 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1960 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1961 pp_cxx_offsetof_expression_1): Likewise.
1962 * decl.c (grokparms, static_fn_type): Likewise.
1963 * decl2.c (grokbitfield): Likewise.
1964 * error.c (dump_expr): Likewise.
1965 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1966 * init.c (warn_placement_new_too_small): Likewise.
1967 * lambda.c (build_capture_proxy, add_capture): Likewise.
1968 * parser.c (cp_parser_omp_for_loop): Likewise.
1969 * pt.c (convert_nontype_argument, fn_type_unification,
1970 uses_deducible_template_parms, check_cv_quals_for_unify,
1971 dependent_type_p_r): Likewise.
1972 * search.c (check_final_overrider): Likewise.
1973 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1974 finish_omp_for): Likewise.
1975 * tree.c (cp_build_qualified_type_real): Likewise.
1976 * typeck.c (build_class_member_access_expr,
1977 finish_class_member_access_expr, build_x_indirect_ref,
1978 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1981 2018-05-24 Jason Merrill <jason@redhat.com>
1983 PR c++/85864 - literal template and default template arg.
1984 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1986 2018-05-24 Marek Polacek <polacek@redhat.com>
1989 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1990 variable for its result. Fix a condition.
1991 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1993 2018-05-23 Jason Merrill <jason@redhat.com>
1995 Fix cast to rvalue reference from prvalue.
1996 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1997 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1998 non-class type. Handle xvalue argument.
1999 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
2001 * semantics.c (finish_compound_literal): Do direct-initialization,
2002 not cast, to initialize a reference.
2004 CWG 616, 1213 - value category of subobject references.
2005 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
2007 * typeck2.c (build_m_component_ref): Likewise.
2008 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
2009 distinction between temporary and xvalue.
2011 2018-05-23 Marek Polacek <polacek@redhat.com>
2013 Implement P0614R1, Range-based for statements with initializer.
2014 * parser.c (cp_parser_range_based_for_with_init_p): New.
2015 (cp_parser_init_statement): Use it. Parse the optional init-statement
2016 for a range-based for loop.
2017 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
2019 2018-05-22 Jason Merrill <jason@redhat.com>
2021 PR c++/81420 - not extending temporary lifetime.
2022 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
2023 * class.c (build_base_path): Avoid redundant move of an rvalue.
2025 PR c++/85866 - error with .* in default template arg.
2026 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
2028 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2030 * parser.c (cp_parser_parameter_declaration_list): Remove
2032 (cp_parser_parameter_declaration_clause): Adjust.
2033 (cp_parser_cache_defarg): Likewise.
2035 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
2038 * parser.c (cp_parser_maybe_commit_to_declaration,
2039 cp_parser_check_condition_declarator): New.
2040 (cp_parser_simple_declaration): Use the first above.
2041 (cp_parser_condition): Use both the above; enforce
2042 [stmt.stmt]/2 about the declarator not specifying
2043 a function or an array; improve error-recovery.
2045 2018-05-20 Jason Merrill <jason@redhat.com>
2047 PR libstdc++/85843 - warning in logic_error copy constructor.
2048 * class.c (type_has_user_nondefault_constructor): Check for a
2049 user-provided ctor, not user-declared.
2051 2018-05-19 Jason Merrill <jason@redhat.com>
2053 * pt.c (tsubst_pack_expansion): Sorry rather than abort
2054 on __integer_pack as subexpression of pattern.
2056 2018-05-18 Jason Merrill <jason@redhat.com>
2058 PR c++/58407 - deprecated implicit copy ops.
2059 * call.c (build_over_call): Warn about deprecated trivial fns.
2060 * class.c (classtype_has_user_copy_or_dtor): New.
2061 (type_build_ctor_call): Check TREE_DEPRECATED.
2062 (type_build_dtor_call): Likewise.
2063 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
2064 Add checks. Return bool. Handle -Wdeprecated-copy.
2065 (mark_used): Use it.
2066 * decl.c (grokdeclarator): Remove redundant checks.
2067 * typeck2.c (build_functional_cast): Likewise.
2068 * method.c (lazily_declare_fn): Mark deprecated copy ops.
2069 * init.c (build_aggr_init): Only set TREE_USED if there are
2072 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
2075 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
2078 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
2080 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
2081 (potential_constant_expression_1): Likewise.
2083 2018-05-16 Marek Polacek <polacek@redhat.com>
2086 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
2087 * tree.c (bot_manip): Call set_flags_from_callee for
2088 AGGR_INIT_EXPRs too.
2090 2018-05-15 Jason Merrill <jason@redhat.com>
2092 * cp-tree.h (cp_expr): Remove copy constructor.
2093 * mangle.c (struct releasing_vec): Declare copy constructor.
2095 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
2097 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
2098 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
2099 is a throw-expression.
2101 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
2103 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
2104 (FOR_EACH_CLONE): Update.
2105 * decl.c (grokdeclarator): Use it.
2106 * decl2.c (vague_linkage_p): Likewise.
2107 * mangle.c (mangle_decl): Likewise.
2108 * method.c (lazily_declare_fn): Likewise.
2109 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
2110 * repo.c (repo_emit_p): Likewise.
2111 * tree.c (decl_linkage): Likewise.
2113 2018-05-14 Jason Merrill <jason@redhat.com>
2115 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
2116 * tree.c (build_cp_fntype_variant): New.
2117 (build_ref_qualified_type, build_exception_variant)
2118 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
2119 (cxx_type_hash_eq, cp_check_qualified_type): Check
2120 TYPE_HAS_LATE_RETURN_TYPE.
2121 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
2122 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
2123 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
2124 (adjust_clone_args): Likewise.
2125 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
2126 build_cp_fntype_variant.
2127 (grokdeclarator): Pass late_return_type_p to grokfndecl.
2128 (check_function_type): Use cxx_copy_lang_qualifiers.
2129 (static_fn_type): Use cxx_copy_lang_qualifiers.
2130 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
2131 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
2132 (change_return_type): Use cxx_copy_lang_qualifiers.
2133 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
2134 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
2135 return type on the declarator like a normal trailing return type.
2136 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
2137 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
2138 * typeck.c (merge_types): Use build_cp_fntype_variant.
2140 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
2142 * cp-tree.h (TYPE_REF_P): New.
2143 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
2144 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
2145 direct_reference_binding, reference_binding, implicit_conversion,
2146 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
2147 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
2148 build_over_call, perform_implicit_conversion_flags,
2149 extend_ref_init_temps, type_has_extended_temps): Use it.
2150 * class.c (one_inheriting_sig, check_field_decls,
2151 check_bases_and_members, find_flexarrays, finish_struct,
2152 fixed_type_or_null): Likewise.
2153 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
2154 non_const_var_error, cxx_eval_constant_expression,
2155 potential_constant_expression_1): Likewise.
2156 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
2157 cp_genericize_r, cxx_omp_privatize_by_reference,
2158 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
2159 cp_fold_maybe_rvalue): Likewise.
2160 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
2161 * cvt.c (build_up_reference, convert_to_reference,
2162 convert_from_reference, convert_to_void, noexcept_conv_p,
2163 fnptr_conv_p): Likewise.
2164 * decl.c (poplevel, check_for_uninitialized_const_var,
2165 check_initializer, initialize_local_var, cp_finish_decl,
2166 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
2167 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
2168 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
2169 decl_maybe_constant_var_p): Likewise.
2170 * error.c (dump_type_prefix, dump_expr): Likewise.
2171 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
2172 is_admissible_throw_operand_or_catch_parameter): Likewise.
2173 * expr.c (mark_use): Likewise.
2174 * init.c (build_zero_init_1, build_value_init_noctor,
2175 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
2176 build_new, build_delete): Likewise.
2177 * lambda.c (build_lambda_object): Likewise.
2178 * mangle.c (write_expression, write_template_arg): Likewise.
2179 * method.c (forward_parm, do_build_copy_constructor,
2180 do_build_copy_assign, build_stub_object, constructible_expr,
2181 walk_field_subobs): Likewise.
2182 * parser.c (cp_parser_omp_for_loop_init,
2183 cp_parser_omp_declare_reduction_exprs,
2184 cp_parser_omp_declare_reduction): Likewise.
2185 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
2186 convert_template_argument, tsubst_pack_expansion,
2187 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
2188 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
2189 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
2190 value_dependent_expression_p, build_deduction_guide): Likewise.
2191 * semantics.c (finish_handler_parms, finish_non_static_data_member,
2192 finish_compound_literal, omp_privatize_field,
2193 handle_omp_array_sections_1, handle_omp_array_sections,
2194 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
2195 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
2196 finish_omp_clauses, finish_decltype_type, capture_decltype,
2197 finish_builtin_launder): Likewise.
2198 * tree.c (lvalue_kind, cp_build_reference_type, move,
2199 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
2200 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
2201 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
2202 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
2203 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
2204 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
2205 convert_for_initialization,
2206 maybe_warn_about_returning_address_of_local, check_return_expr,
2207 cp_type_quals, casts_away_constness, non_reference): Likewise.
2208 * typeck2.c (cxx_readonly_error, store_init_value,
2209 process_init_constructor_record, build_x_arrow, build_functional_cast,
2210 add_exception_specifier): Likewise.
2212 2018-05-14 Jason Merrill <jason@redhat.com>
2214 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
2215 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
2217 2018-05-11 Jakub Jelinek <jakub@redhat.com>
2220 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
2221 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
2222 cxx_omp_predetermined_sharing_1. Rename old function to ...
2223 (cxx_omp_predetermined_sharing_1): ... this.
2224 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
2225 instead of cxx_omp_predetermined_sharing.
2227 2018-05-10 Jason Merrill <jason@redhat.com>
2229 * decl.c (cp_finish_decl): Don't instantiate auto variable.
2230 (check_static_variable_definition): Allow auto.
2231 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
2233 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
2234 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
2236 Core issue 2310 - conversion to base of incomplete type.
2237 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
2239 CWG 2267 - list-initialization of reference temporary
2240 * call.c (reference_binding): List-initializing a reference
2241 temporary is copy-list-initialization.
2243 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
2245 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
2246 instantiation in template context.
2248 * class.c (vbase_has_user_provided_move_assign): Use
2251 * lambda.c (lambda_expr_this_capture): Improve logic.
2253 * decl.c (make_typename_type): s/parameters/arguments/.
2254 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
2255 * pt.c (make_pack_expansion): Correct error message.
2257 2018-05-10 Jakub Jelinek <jakub@redhat.com>
2260 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
2261 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
2264 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
2267 * decl2.c (adjust_var_decl_tls_model): New static function.
2268 (comdat_linkage): Call it on a variable.
2269 (maybe_make_one_only): Likewise.
2271 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
2275 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
2278 * parser.c (cp_parser_parameter_declaration_list): When the
2279 entire parameter-declaration-list is erroneous maybe call
2280 abort_fully_implicit_template.
2282 2018-05-08 Jason Merrill <jason@redhat.com>
2284 PR c++/85706 - class deduction under decltype
2285 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
2286 *walk_subtrees whether or not we walked into the operand.
2287 (type_uses_auto): Only look at deduced contexts.
2289 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
2292 * parser.c (cp_parser_parameter_declaration_list): When the
2293 entire parameter-declaration-list is erroneous maybe call
2294 abort_fully_implicit_template.
2296 2018-05-08 Marek Polacek <polacek@redhat.com>
2299 * semantics.c (finish_if_stmt_cond): See through typedefs.
2301 2018-05-07 Jason Merrill <jason@redhat.com>
2303 PR c++/85646 - lambda visibility.
2304 * decl2.c (determine_visibility): Don't mess with template arguments
2305 from the containing scope.
2306 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
2309 2018-05-07 Nathan Sidwell <nathan@acm.org>
2311 Remove fno-for-scope
2312 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
2313 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
2314 (SET_DECL_SHADOWED_FOR_VAR): Delete.
2315 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
2316 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
2318 * name-lookup.h (struct cp_binding_level): Remove
2319 dead_vars_from_for field.
2320 * cp-lang.c (cp_init_ts): Delete.
2321 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
2322 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
2323 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
2324 (init_shadowed_var_for_decl): Delete.
2325 * decl.c (poplevel): Remove shadowed for var handling.
2326 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
2327 * name-lookup.c (find_local_binding): Remove shadowed for var
2329 (check_local_shadow): Likewise.
2330 (check_for_out_of_scope_variable): Delete.
2331 * parser.c (cp_parser_primary_expression): Remove shadowed for var
2333 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
2334 * semantics.c (begin_for_scope): Always have a scope.
2335 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
2336 (begin_range_for_stmt, finish_id_expression): Likewise.
2338 2018-05-07 Jason Merrill <jason@redhat.com>
2340 PR c++/85618 - ICE with initialized VLA.
2341 * tree.c (vla_type_p): New.
2342 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
2343 rather than array_of_runtime_bound_p.
2345 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
2347 * cvt.c (ocp_convert): Early handle the special case of a
2348 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
2350 2018-05-03 Jason Merrill <jason@redhat.com>
2352 PR c++/85600 - virtual delete failure.
2353 * init.c (build_delete): Always save_expr when deleting.
2355 2018-05-03 Nathan Sidwell <nathan@acm.org>
2357 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
2358 * name-lookup.c (do_pushdecl): Likewise.
2360 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
2361 Jason Merrill <jason@redhat.com>
2364 * name-lookup.c (check_local_shadow): Don't handle static old
2365 declarations in the block handling locals shadowing locals.
2367 2018-05-01 Jason Merrill <jason@redhat.com>
2369 PR c++/85587 - error with scoped enum in template.
2370 * semantics.c (finish_qualified_id_expr): Don't return an
2371 unqualified IDENTIFIER_NODE.
2373 2018-04-30 Jason Merrill <jason@redhat.com>
2375 PR c++/85580 - extern "C" and local variables
2376 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
2378 PR c++/84701 - unsigned typeof.
2379 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
2380 of long/short/signed/unsigned.
2382 PR c++/85305 - pack in lambda init-capture.
2383 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
2384 check_for_bare_parameter_packs in a subexpression.
2385 (cp_parser_lambda_introducer): Use it.
2387 PR c++/61982 - dead stores to destroyed objects.
2388 * call.c (build_trivial_dtor_call): New, assigns a clobber.
2389 (build_over_call, build_special_member_call): Use it.
2390 * cp-tree.h: Declare it.
2391 * init.c (build_delete): Remove trivial path.
2393 * init.c (build_dtor_call): Use build_special_member_call.
2394 (build_delete): Remove redundant uses of save_addr.
2396 * decl.c (build_clobber_this): Use build_clobber.
2398 2018-04-27 Jakub Jelinek <jakub@redhat.com>
2401 * init.c (build_zero_init_1): For zero initialization of
2402 NULLPTR_TYPE_P type use build_int_cst directly.
2404 2018-04-27 David Malcolm <dmalcolm@redhat.com>
2407 * name-lookup.c (consider_binding_level): Skip compiler-generated
2409 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
2410 nested if statements into a series of rejection tests. Reject
2411 lambda-ignored entities as suggestions.
2413 2018-04-27 Jason Merrill <jason@redhat.com>
2415 * cvt.c (cp_fold_convert): Use convert_ptrmem.
2416 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
2418 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
2421 * decl.c (grokdeclarator): Clear friendp upon definition in local
2422 class definition error.
2424 2018-04-27 Jason Merrill <jason@redhat.com>
2426 PR c++/85545 - ICE with noexcept PMF conversion.
2427 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
2429 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
2431 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
2433 2018-04-27 Nathan Sidwell <nathan@acm.org>
2435 * typeck.c (convert_ptrmem): Move local var decls to initialization.
2437 * cp-tree.h (TEMPLATE_INFO): Fix comments.
2438 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
2439 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
2440 (dump, print_other_binding_stacks): Remove declarations.
2441 * name-lookup.c (print_other_binding_stack): Make static.
2442 * pt.c (build_template_decl): Make static.
2444 2018-04-26 Jason Merrill <jason@redhat.com>
2446 PR c++/85545 - ICE with noexcept PMF conversion.
2447 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
2449 2018-04-25 Nathan Sidwell <nathan@acm.org>
2453 * cp-tree.h (REINTERPRET_CAST_P): New.
2454 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
2455 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
2456 for non-trivial PTRMEM_CST cases.
2457 * typeck.c (build_nop_reinterpret): New.
2458 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
2459 NOP_EXPRs returned by cp_convert.
2461 2018-04-23 Jason Merrill <jason@redhat.com>
2463 PR c++/69560 - wrong alignof(double) on x86.
2464 CWG 1879 - Inadequate definition of alignment requirement.
2465 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
2466 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
2467 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
2468 (cxx_alignof_expr): Pass it.
2469 * parser.c (cp_parser_unary_expression): Pass it.
2470 * pt.c (tsubst_copy): Copy it.
2471 (tsubst_copy_and_build): Pass it.
2472 * decl.c (fold_sizeof_expr): Pass it.
2474 2018-04-23 Jakub Jelinek <jakub@redhat.com>
2475 Jason Merrill <jason@redhat.com>
2477 PR c++/85470 - wrong error with static data member.
2478 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
2479 * typeck2.c (store_init_value): Likewise.
2481 2018-04-20 Jakub Jelinek <jakub@redhat.com>
2484 * cp-tree.h (tinst_level): Remove in_system_header_p member,
2485 change refcount member from unsigned char to unsigned short,
2486 add refcount_infinity static data member, adjust comments.
2487 * pt.c (tinst_level::refcount_infinity): Define.
2488 (inc_refcount_use): Remove assert, don't increment if refcount
2489 is already refcount_infinity, adjust comment.
2490 (dec_refcount_use): Remove assert, don't decrement if refcount
2491 is refcount_infinity, adjust comment.
2492 (push_tinst_level_loc): Formatting fix.
2494 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
2497 * pt.c (lookup_template_class_1): Check pushtag return value for
2500 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
2503 * cp-tree.h (tinst_level::free): Fix whitespace.
2505 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
2508 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
2509 for error_mark_node.
2511 2018-04-18 Jakub Jelinek <jakub@redhat.com>
2514 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
2515 tricks from here to ...
2516 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
2517 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2519 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
2522 * cp-tree.h (struct tinst_level): Split decl into tldcl and
2523 targs. Add private split_list_p, tree_list_p, and not_list_p
2524 inline const predicates; to_list private member function
2525 declaration; free public member function declaration; list_p,
2526 get_node and maybe_get_node accessors, and refcount data
2527 member. Narrow errors to unsigned short.
2528 * error.c (print_instantiation_full_context): Use new
2530 (print_instantiation_partial_context_line): Likewise. Drop
2531 const from tinst_level-typed parameter.
2532 * mangle.c (mangle_decl_string): Likewise.
2533 * pt.c (freelist): New template class.
2534 (tree_list_freelist_head): New var.
2535 (tree_list_freelist): New fn, along with specializations.
2536 (tinst_level_freelist_head): New var.
2537 (pending_template_freelist_head): Likewise.
2538 (tinst_level_freelist, pending_template_freelist): New fns.
2539 (tinst_level::to_list, tinst_level::free): Define.
2540 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
2541 (set_refcount_ptr): New template fn.
2542 (add_pending_template): Adjust for refcounting, freelists and
2544 (neglectable_inst_p): Take a NULL d as a non-DECL.
2545 (limit_bad_template_recursion): Use new accessors.
2546 (push_tinst_level): New overload to create the list.
2547 (push_tinst_level_loc): Make it static, split decl into two
2548 args, adjust tests and initialization to cope with split
2549 lists, use freelist, adjust for refcounting.
2550 (push_tinst_level_loc): New wrapper with the old interface.
2551 (pop_tinst_level): Adjust for refcounting.
2552 (record_last_problematic_instantiation): Likewise.
2553 (reopen_tinst_level): Likewise. Use new accessors.
2554 (instantiate_alias_template): Adjust for split list.
2555 (fn_type_unification): Likewise.
2556 (get_partial_spec_bindings): Likewise.
2557 (instantiate_pending_templates): Use new accessors. Adjust
2558 for refcount. Release pending_template to freelist.
2559 (instantiating_current_function_p): Use new accessors.
2561 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
2564 * parser.c (cp_parser_builtin_offset): Reject type definitions.
2565 * mangle.c (nested_anon_class_index): Avoid crash returning -1
2566 if we've seen errors.
2568 2018-04-12 David Malcolm <dmalcolm@redhat.com>
2571 * name-lookup.c (macro_use_before_def::maybe_make): New function,
2572 checking that the use is indeed before the definition.
2573 (macro_use_before_def::macro_use_before_def): Make private.
2574 (macro_use_before_def::~macro_use_before_def): Make private. Move
2575 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
2576 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
2577 than using new directly.
2579 2018-04-12 Jason Merrill <jason@redhat.com>
2581 PR c++/85356 - ICE with pointer to member function.
2582 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2583 flag_noexcept_type. Build the new spec within the function context.
2584 * except.c (build_noexcept_spec): Do get constant value in templates
2585 if flag_noexcept_type.
2586 * decl.c (check_redeclaration_exception_specification): Don't
2587 instantiate noexcept on a dependent declaration.
2589 2018-04-12 Marek Polacek <polacek@redhat.com>
2592 * constexpr.c (reduced_constant_expression_p): Return false for null
2595 2018-04-11 Marek Polacek <polacek@redhat.com>
2598 * constexpr.c (potential_constant_expression_1): Consider conversions
2599 from classes to literal types potentially constant.
2601 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
2604 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2605 the type like TYPE_PTR_OR_PTRMEM_P.
2607 2018-04-10 Jason Merrill <jason@redhat.com>
2609 PR debug/65821 - wrong location for main().
2610 * call.c (clear_location_r, convert_default_arg): Revert.
2611 * tree.c (break_out_target_exprs): Add clear_location parm.
2612 (struct bot_data): New.
2613 (bot_manip): Clear location if requested.
2614 * init.c (get_nsdmi): Pass clear_location.
2616 2018-04-10 David Malcolm <dmalcolm@redhat.com>
2619 * call.c (get_fndecl_argument_location): Make non-static.
2620 * cp-tree.h (get_fndecl_argument_location): New decl.
2621 * typeck.c (convert_for_assignment): When complaining due to
2622 conversions for an argument, show the location of the parameter
2625 2018-04-10 Jakub Jelinek <jakub@redhat.com>
2627 PR c++/85312 - P0962 cleanup
2628 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2631 2018-04-10 Jason Merrill <jason@redhat.com>
2633 PR debug/65821 - wrong location for main().
2634 * call.c (clear_location_r): New.
2635 (convert_default_arg): Use it.
2636 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2638 PR c++/85285 - ICE with flexible array after substitution.
2639 * pt.c (instantiate_class_template_1): Check for flexible array in
2642 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
2645 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2646 issue a pedwarn and defer trying to do bindings.
2648 2018-04-09 Jason Merrill <jason@redhat.com>
2650 PR c++/85279 - dump_expr doesn't understand decltype.
2651 * error.c (dump_expr): Handle DECLTYPE_TYPE.
2653 PR c++/85262 - ICE with redundant qualification on constructor.
2654 * call.c (build_new_method_call_1): Move make_args_non_dependent
2655 after A::A() handling.
2657 PR c++/85277 - ICE with invalid offsetof.
2658 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2659 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2661 PR c++/85264 - ICE with excess template-parameter-list.
2662 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2663 parameter. Don't allow an extra template header if true.
2664 (cp_parser_class_head): Pass template_id_p.
2665 (cp_parser_elaborated_type_specifier): Likewise.
2666 (cp_parser_alias_declaration): Likewise.
2667 (cp_parser_check_declarator_template_parameters): Likewise.
2669 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2672 * parser.c (cp_parser_simple_declaration): For structured bindings,
2673 if *maybe_range_for_decl is NULL after parsing it, set it to
2676 2018-04-09 Jason Merrill <jason@redhat.com>
2678 PR c++/85256 - ICE capturing pointer to VLA.
2679 * lambda.c (add_capture): Distinguish between variable-size and
2680 variably-modified types.
2682 2018-04-06 Jason Merrill <jason@redhat.com>
2684 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2685 * pt.c (extract_locals_r): Remember local typedefs.
2687 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2690 * name-lookup.c (struct std_name_hint): Move out of
2691 get_std_name_hint; add field "min_dialect".
2692 (get_std_name_hint): Add min_dialect values to all initializers.
2693 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2694 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2695 <shared_mutex>, <string_view>, <thread>, and <variant>.
2696 Add fstream, ifstream, and ofstream to <fstream>.
2697 Add istringstream, ostringstream, and stringstream to <sstream>.
2698 Add basic_string to <string>.
2699 Add tuple_element and tuple_size to <tuple>.
2700 Add declval to <utility>.
2701 Fix ordering of <queue> and <tuple>.
2702 Return a std_name_hint, rather than a const char *.
2703 (get_cxx_dialect_name): New function.
2704 (maybe_suggest_missing_std_header): Detect names that aren't yet
2705 available in the current dialect, and instead of suggesting a
2706 missing #include, warn about the dialect.
2708 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2711 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2712 errorcount is set if tsubst doesn't return a VAR_DECL.
2714 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2717 * name-lookup.c (using_directives_contain_std_p): New function.
2718 (has_using_namespace_std_directive_p): New function.
2719 (suggest_alternatives_for): Simplify if/else logic using early
2720 returns. If no candidates were found, and there's a
2721 "using namespace std;" directive, call
2722 maybe_suggest_missing_std_header.
2723 (maybe_suggest_missing_header): Split later part of the function
2725 (maybe_suggest_missing_std_header): New.
2727 2018-04-06 Jason Merrill <jason@redhat.com>
2729 PR c++/85242 - ICE with class definition in template parm.
2730 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2731 processing_template_parmlist.
2733 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2734 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2736 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2739 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2740 is not prev, if prev == decl.
2743 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2744 maybe_apply_pragma_weak here...
2745 (cp_maybe_mangle_decomp): ... but call it here instead.
2747 2018-04-05 Jason Merrill <jason@redhat.com>
2749 PR c++/85136 - ICE with designated init in template.
2750 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2751 designated initializer.
2752 (check_array_designated_initializer): Update ce->index with the
2755 PR c++/83808 - ICE with VLA initialization.
2756 * typeck2.c (process_init_constructor_array): Don't require a VLA
2757 initializer to have VLA type.
2759 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2762 * call.c (convert_like_real): Fail gracefully for a broken
2763 std::initializer_list, missing a definition.
2765 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2767 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2770 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2771 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2773 2018-04-05 Jason Merrill <jason@redhat.com>
2775 PR c++/82152 - ICE with class deduction and inherited ctor.
2776 * pt.c (do_class_deduction): Ignore inherited ctors.
2778 PR c++/84665 - ICE with array of empty class.
2779 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2781 PR c++/85228 - ICE with lambda in enumerator in template.
2782 * pt.c (bt_instantiate_type_proc): Don't assume
2783 CLASSTYPE_TEMPLATE_INFO is non-null.
2785 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2788 * decl.c (find_decomp_class_base): Check accessibility instead
2789 of declared access, adjust diagnostic.
2791 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2794 * decl.c (get_tuple_decomp_init): Check the templatedness
2797 2018-04-05 Jason Merrill <jason@redhat.com>
2799 PR c++/85200 - ICE with constexpr if in generic lambda.
2800 * pt.c (extract_locals_r): Don't record the local specs of variables
2801 declared within the pattern.
2803 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2806 * pt.c (check_auto_in_tmpl_args): New.
2807 (tsubst_qualified_id): Use it to reject template args
2808 referencing auto for non-type templates.
2809 * parser.c (cp_parser_template_id): Likewise.
2810 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2811 * typeck2.c (build_functional_cast): Report correct location
2812 for invalid use of auto.
2814 2018-04-04 Jason Merrill <jason@redhat.com>
2816 PR c++/85215 - ICE with copy-init from conversion.
2817 * call.c (merge_conversion_sequences): Fix type of direct binding
2820 PR c++/84938 - ICE with division by ~-1.
2821 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2823 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2824 * parser.c (cp_parser_mem_initializer_list): Call
2825 check_for_bare_parameter_packs.
2827 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2830 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2831 builtin_valid_in_constant_expr_p functions, don't call
2832 cxx_eval_constant_expression if argument is not
2833 potential_constant_expression.
2836 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2838 * semantics.c (calculate_bases): Add complain argument. Use
2839 complete_type_or_maybe_complain instead of just complete_type and
2840 return an empty vector if it fails. Move make_tree_vector () call
2841 after early return. Formatting fixes.
2842 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2844 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2845 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2846 calculate_direct_bases callers, formatting fixes.
2848 2018-04-04 Jason Merrill <jason@redhat.com>
2850 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2851 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2853 PR c++/85200 - ICE with constexpr if in generic lambda.
2854 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2856 PR c++/84221 - bogus -Wunused with attribute and template.
2857 * decl2.c (is_late_template_attribute): Handle unused and used
2858 normally on non-TYPE_DECL.
2860 PR c++/85135 - ICE with omitted template arguments.
2861 * decl.c (grokdeclarator): Catch deduced class type in trailing
2864 PR c++/85133 - ICE with missing concept initializer.
2865 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2868 PR c++/85118 - wrong error with generic lambda and std::bind.
2869 * call.c (add_template_conv_candidate): Disable if there are any
2872 PR c++/85141 - ICE with compound assignment and static member fn.
2873 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2874 compound assignment.
2876 PR c++/85148 - ICE with 'this' in array NSDMI.
2877 * tree.c (replace_placeholders_r): Use handled_component_p.
2879 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2882 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2883 * parser.c (cp_parser_unqualified_id): ..not here.
2885 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2888 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2890 * decl2.c (mark_used): Return without effects if tf_conv.
2892 2018-04-03 Jason Merrill <jason@redhat.com>
2894 PR c++/85092 - C++17 ICE with unused list constructor.
2895 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2898 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2899 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2900 __builtin_constant_p if ctx->quiet.
2902 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2905 * pt.c (rewrite_template_parm): If the first argument is
2906 error_mark_node return it immediately.
2907 (build_deduction_guide): Check the return value of the
2908 latter for error_mark_node.
2909 (do_class_deduction): Check the return value of the latter.
2911 2018-04-03 Jason Merrill <jason@redhat.com>
2913 * semantics.c (finish_if_stmt_cond): Use
2914 instantiation_dependent_expression_p.
2916 PR c++/85149 - generic lambda and constexpr if.
2917 * pt.c (build_extra_args, add_extra_args): Split from
2918 tsubst_pack_expansion.
2919 (tsubst_expr) [IF_STMT]: Use them.
2920 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2922 * typeck.c (merge_types): Limit matching attribute shortcut to
2925 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2928 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2931 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2935 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2936 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2937 instead for static data members clear init and set DECL_EXTERNAL.
2939 2018-04-02 Jason Merrill <jason@redhat.com>
2941 PR c++/64095 - auto... parameter pack.
2942 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2944 (cp_parser_parameter_declaration_list): Not here.
2946 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2949 * class.c (instantiate_type): Peel off SAVE_EXPR before
2952 2018-03-30 Jason Merrill <jason@redhat.com>
2954 * typeck2.c (process_init_constructor_record): Use
2955 init_list_type_node for the CONSTRUCTOR around an anonymous union
2956 designated initializer.
2958 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2961 * semantics.c (finish_omp_reduction_clause): If
2962 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2963 even if processing_template_decl.
2965 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2968 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2969 <tuple>, and <utility>.
2971 2018-03-29 Jason Merrill <jason@redhat.com>
2973 PR c++/85093 - too many template args with pack expansion.
2974 * pt.c (coerce_template_parms): Keep pack expansion args that will
2977 2018-03-29 Jason Merrill <jason@redhat.com>
2979 * pt.c (build_non_dependent_expr): Propagate expr location.
2981 2018-03-27 Jason Merrill <jason@redhat.com>
2983 PR c++/85060 - wrong-code with call to base member in template.
2984 * search.c (any_dependent_bases_p): Check uses_template_parms
2985 rather than processing_template_decl.
2987 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2990 * typeck.c (convert_for_assignment): When complaining due to
2991 conversions for an argument, attempt to use the location of the
2994 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2997 * pt.c (tsubst_default_argument): Early return if the type of the
2998 parameter is erroneous.
3000 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
3003 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
3007 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
3009 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
3012 * method.c (defaulted_late_check): Partially revert r253321 changes,
3013 do not early return upon error.
3015 2018-03-27 Jakub Jelinek <jakub@redhat.com>
3018 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
3019 type call fold to generate VECTOR_CSTs when possible.
3022 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
3023 return it right away.
3025 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
3027 * search.c (check_final_overrider): Use inform instead of error
3028 for the diagnostics of the overridden functions. Tweak wording.
3030 2018-03-27 Jakub Jelinek <jakub@redhat.com>
3033 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
3034 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
3036 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
3037 Jason Merrill <jason@redhat.com>
3040 * init.c (build_aggr_init): When initializing from array,
3041 reject anything but CONSTRUCTORs and TARGET_EXPRs.
3042 (build_vec_init): Handle separately ARRAY_TYPEs.
3044 2018-03-26 Jason Merrill <jason@redhat.com>
3046 PR c++/85062 - ICE with alignas in wrong place.
3047 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
3050 PR c++/85049 - ICE with __integer_pack.
3051 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
3052 * cp-tree.h (TEMPLATE_PARM_P): New.
3054 2018-03-23 Jason Merrill <jason@redhat.com>
3056 PR c++/78489 - wrong SFINAE behavior.
3059 * pt.c (type_unification_real): Don't defer substitution failure.
3061 2018-03-23 Jakub Jelinek <jakub@redhat.com>
3064 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
3068 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
3069 cp_build_unary_op call with gcc_unreachable ().
3071 2018-03-23 Marek Polacek <polacek@redhat.com>
3074 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
3075 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
3076 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
3078 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
3081 * parser.c (cp_parser_perform_range_for_lookup): Change
3082 the condition for deciding whether to use members.
3084 2018-03-23 Marek Polacek <polacek@redhat.com>
3087 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
3089 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
3092 * parser.c (cp_parser_alias_declaration): Call
3093 parser_check_template_parameters.
3096 * pt.c (resolve_typename_type): Drop assert that stopped
3097 simplification to template-independent types. Add assert to
3098 verify the initial scope is template dependent.
3099 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
3100 Reparse the id expression as a type-name, not a declarator.
3103 * init.c (build_vec_init): Error at parenthesized array init.
3108 * cp-tree.h (temp_override): New template class, generalizing
3109 a cleanup that was only used...
3110 * parser.c (cp_parser_parameter_declaration_clause):
3111 ... here for auto_is_implicit_function_template_parm_p.
3112 (cp_parser_gnu_attributes_opt): Use it here as well.
3113 (cp_parser_std_attribute): Likewise.
3115 2018-03-22 Marek Polacek <polacek@redhat.com>
3118 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
3121 2018-03-21 Jason Merrill <jason@redhat.com>
3123 PR c++/81311 - wrong C++17 overload resolution.
3124 * call.c (build_user_type_conversion_1): Remove C++17 code.
3125 (conv_binds_ref_to_prvalue): New.
3126 (build_over_call): Handle C++17 copy elision.
3127 (build_special_member_call): Only do C++17 copy elision here if the
3128 argument is already the right type.
3130 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
3133 * init.c (build_vec_init): Silence error, former sorry,
3138 * parser.c (abort_fully_implicit_template_p): New.
3139 (cp_parser_skip_to_end_of_statement): Use it.
3140 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
3141 (finish_fully_implicit_template_p): Clear
3142 implicit_template_parms and implicit_template_scope.
3144 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
3147 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
3148 error_mark_node when check_array_designated_initializer fails.
3150 2018-03-21 Jakub Jelinek <jakub@redhat.com>
3153 * cp-tree.h (genericize_compound_lvalue): Declare.
3154 * typeck.c (genericize_compound_lvalue): New function.
3155 (unary_complex_lvalue, cp_build_modify_expr): Use it.
3156 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
3157 and PREDECREMENT_EXPR in output and "m" constrained input operands with
3158 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
3159 COMPOUND_EXPR operand.
3161 2018-03-21 Nathan Sidwell <nathan@acm.org>
3164 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
3165 * decl2.c (vague_linkage_p): Likewise.
3167 2018-03-21 David Malcolm <dmalcolm@redhat.com>
3170 * constexpr.c (constexpr_fn_retval): Make non-"static".
3171 * cp-tree.h (constexpr_fn_retval): New decl.
3172 * search.c (direct_accessor_p): Update leading comment.
3173 (reference_accessor_p): Likewise.
3174 (field_accessor_p): Replace check that function body is a
3175 RETURN_EXPR with a call to constexpr_fn_retval. Fix
3176 indentation of "field_type" decl.
3178 2018-03-21 Nathan Sidwell <nathan@acm.org>
3181 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
3184 2018-03-21 Martin Sebor <msebor@redhat.com>
3187 * call.c (first_non_public_field): New template and function.
3188 (first_non_trivial_field): New function.
3189 (maybe_warn_class_memaccess): Call them.
3191 2018-03-21 David Malcolm <dmalcolm@redhat.com>
3194 * search.c (field_accessor_p): Use class_of_this_parm rather than
3195 type_of_this_parm, to check that "this" is a "const T *", rather
3198 2018-03-21 Nathan Sidwell <nathan@acm.org>
3200 * class.c (finish_struct_anon_r): Refactor, deprecate anything
3201 other than public non-static data members.
3202 * parser.c (cp_parser_init_declarator): Deprecate attributes after
3203 parenthesized initializer.
3206 * name-lookup.c (update_binding): Correct logic for local binding
3209 2018-03-21 Marek Polacek <polacek@redhat.com>
3211 PR c++/71638, ICE with NSDMI and reference.
3212 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
3213 even when we replace an element.
3215 2018-03-20 Marek Polacek <polacek@redhat.com>
3217 PR c++/84978, ICE with NRVO.
3218 * constexpr.c (cxx_eval_constant_expression): Handle the case when
3219 a RESULT_DECL isn't in the hash map.
3221 2018-03-20 Jason Merrill <jason@redhat.com>
3223 PR c++/84978, ICE with NRVO.
3224 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
3225 (cp_get_callee_fndecl_nofold): New.
3226 * cp-gimplify.c (cp_genericize_r): Use it instead.
3227 * call.c (check_self_delegation): Likewise.
3229 2018-03-20 Nathan Sidwell <nathan@acm.org>
3232 * name-lookup.c (pushdecl_class_level): Push anon-struct's
3233 member_vec, if there is one.
3236 * cp-tree.h (lookup_list_keep): Declare.
3237 * tree.c (lookup_list_keep): New, broken out of ...
3238 (build_min): ... here. Call it.
3239 * decl.c (cp_finish_decl): Call lookup_list_keep.
3241 2018-03-19 Jason Merrill <jason@redhat.com>
3243 PR c++/84937 - ICE with class deduction and auto.
3244 * pt.c (rewrite_template_parm): Fix auto handling.
3246 2018-03-19 Marek Polacek <polacek@redhat.com>
3249 * pt.c (enclosing_instantiation_of): Check if fn is null.
3252 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
3253 as we evaluate the elements.
3254 (cxx_eval_constant_expression): Verify constructor's flags
3257 2018-03-19 Jason Merrill <jason@redhat.com>
3259 PR c++/71834 - template-id with too few arguments.
3260 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
3262 2018-03-19 Nathan Sidwell <nathan@acm.org>
3265 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
3266 * pt.c (build_template_decl): Propagate language linkage.
3269 * name-lookup.c (set_local_extern_decl_linkage): Defend against
3272 2018-03-16 Jakub Jelinek <jakub@redhat.com>
3275 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
3277 * method.c (synthesize_method): Likewise.
3278 * pt.c (convert_nontype_argument): Likewise.
3280 2018-03-16 Jason Merrill <jason@redhat.com>
3282 PR c++/84720 - ICE with rvalue ref non-type argument.
3283 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
3284 (convert_nontype_argument): Revert earlier change.
3286 PR c++/80227 - SFINAE and negative array size.
3287 * decl.c (compute_array_index_type): Use
3288 build_converted_constant_expr and valid_constant_size_p.
3290 PR c++/84906 - silent wrong code with ambiguous conversion.
3291 * call.c (build_user_type_conversion_1): Set need_temporary_p on
3292 ambiguous conversion.
3293 (convert_like_real): Check it.
3295 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
3296 * call.c (build_special_member_call): Don't convert an init-list
3297 argument directly to the class type.
3299 2018-03-16 Jakub Jelinek <jakub@redhat.com>
3303 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
3304 (find_placeholder): Declare.
3305 * tree.c (struct replace_placeholders_t): Add exp member.
3306 (replace_placeholders_r): Don't walk into ctors with
3307 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
3308 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
3309 (replace_placeholders): Initialize data.exp.
3310 (find_placeholders_r, find_placeholders): New functions.
3311 * typeck2.c (process_init_constructor_record,
3312 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
3313 if adding NSDMI on which find_placeholder returns true.
3314 * call.c (build_over_call): Don't call replace_placeholders here.
3315 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
3316 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
3317 TARGET_EXPR_INITIAL.
3318 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
3321 2018-03-16 Jason Merrill <jason@redhat.com>
3323 PR c++/83911 - ICE with multiversioned constructor.
3324 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
3326 * call.c (build_over_call): Not here.
3328 2018-03-16 Jakub Jelinek <jakub@redhat.com>
3331 * decl.c (reshape_init_class): Don't assert d->cur->index == field
3332 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
3334 2018-03-15 Jakub Jelinek <jakub@redhat.com>
3337 * cp-tree.h (cp_warn_deprecated_use): Declare.
3338 * tree.c (cp_warn_deprecated_use): New function.
3339 * typeck2.c (build_functional_cast): Use it.
3340 * decl.c (grokparms): Likewise.
3341 (grokdeclarator): Likewise. Temporarily push nested class scope
3342 around grokparms call for out of class member definitions.
3344 2018-03-14 Jason Merrill <jason@redhat.com>
3346 PR c++/84820 - no error for invalid qualified-id.
3347 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
3348 cp_error_declarator.
3350 PR c++/84801 - ICE with unexpanded pack in lambda.
3351 * pt.c (check_for_bare_parameter_packs): Don't return early for a
3352 lambda in non-template context.
3354 PR c++/81236 - auto variable and auto function
3355 * pt.c (tsubst_baselink): Update the type of the BASELINK after
3358 2018-03-14 Jason Merrill <jason@redhat.com>
3360 PR c++/83916 - ICE with template template parameters.
3361 * pt.c (convert_template_argument): Don't substitute into type of
3362 non-type parameter if we don't have enough arg levels.
3365 2018-03-14 Marek Polacek <polacek@redhat.com>
3368 * semantics.c (finish_static_assert): Check
3369 instantiation_dependent_expression_p instead of
3370 {type,value}_dependent_expression_p.
3372 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
3373 Jason Merrill <jason@redhat.com>
3375 PR c++/82336 - link error with list-init default argument.
3376 * decl.c (check_default_argument): Unshare an initializer list.
3378 2018-03-13 Jakub Jelinek <jakub@redhat.com>
3381 * decl.c (duplicate_decls): For redefinition of built-in, use error
3382 and return error_mark_node. For redeclaration, return error_mark_node
3383 rather than olddecl if !flag_permissive.
3385 2018-03-13 Jason Merrill <jason@redhat.com>
3387 PR c++/82565 - ICE with concepts and generic lambda.
3388 * pt.c (instantiate_decl): Clear fn_context for lambdas.
3390 2018-03-13 Jason Merrill <jason@redhat.com>
3392 PR c++/84720 - ICE with rvalue ref non-type argument.
3393 * pt.c (convert_nontype_argument): Handle rvalue references.
3395 PR c++/84839 - ICE with decltype of parameter pack.
3396 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
3397 instantiating dummy parms.
3399 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
3400 parameter even without -Wpedantic.
3402 PR c++/84798 - ICE with auto in abstract function declarator.
3403 * parser.c (cp_parser_parameter_declaration_clause): Check
3404 parser->default_arg_ok_p.
3406 2018-03-13 Jakub Jelinek <jakub@redhat.com>
3409 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
3410 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
3411 sizetype. Formatting fixes.
3413 2018-03-12 Jason Merrill <jason@redhat.com>
3415 PR c++/84355 - ICE with deduction for member class template.
3416 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
3417 CLASS_PLACEHOLDER_TEMPLATE.
3419 PR c++/84802 - ICE capturing uninstantiated class.
3420 * lambda.c (build_capture_proxy): Call complete_type.
3422 2018-03-09 Jason Merrill <jason@redhat.com>
3424 PR c++/84770 - ICE with typedef and parameter pack.
3425 * pt.c (verify_unstripped_args_1): Split out from
3426 verify_unstripped_args.
3428 PR c++/84785 - ICE with alias template and default targs.
3429 * pt.c (type_unification_real): Set processing_template_decl if
3432 PR c++/84752 - ICE with capture of constexpr array.
3433 * call.c (standard_conversion): Set rvaluedness_matches_p on the
3434 identity conversion under ck_lvalue.
3436 2018-03-09 Jason Merrill <jason@redhat.com>
3437 Paolo Carlini <paolo.carlini@oracle.com>
3441 * pt.c (any_erroneous_template_args_p): New.
3442 * cp-tree.h (any_erroneous_template_args_p): Declare it.
3443 * parser.c (cp_parser_class_specifier_1): Use it.
3445 2018-03-09 Jason Merrill <jason@redhat.com>
3447 PR c++/84726 - unnecessary capture of constant vars.
3448 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
3449 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
3450 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
3451 * lambda.c (is_constant_capture_proxy)
3452 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
3453 (prune_lambda_captures): New.
3454 (finish_lambda_function): Call prune_lambda_captures.
3456 2018-03-09 Jason Merrill <jason@redhat.com>
3457 Jakub Jelinek <jakub@redhat.com>
3460 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
3461 build ADDR_EXPR with REFERENCE_TYPE.
3462 (build_over_call): For purposes of check_function_arguments, if
3463 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
3464 its operand rather than the argument itself.
3466 2018-03-09 Jakub Jelinek <jakub@redhat.com>
3469 * decl.c (duplicate_decls): Don't override __* prefixed builtins
3470 except for __[^b]*_chk, instead issue permerror and for -fpermissive
3471 also a note and return olddecl.
3473 2018-03-09 Nathan Sidwell <nathan@acm.org>
3476 * name-lookup.c (do_pushdecl_with_scope): Only clear
3477 current_function_decl when pushing a non-class (i.e. namespace)
3480 2018-03-08 Jason Merrill <jason@redhat.com>
3481 Jakub Jelinek <jakub@redhat.com>
3484 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
3485 not calling mark_used for the benefit of -Wunused-function warning.
3487 2018-03-06 Jason Merrill <jason@redhat.com>
3489 * lambda.c (is_capture_proxy_with_ref): Remove.
3490 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
3492 2018-03-06 Marek Polacek <polacek@redhat.com>
3495 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
3498 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
3501 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
3502 only while processing template decls.
3503 * typeck.c (build_x_conditional_expr): Move wrapping of
3504 reference type around type...
3505 * call.c (build_conditional_expr_1): ... here. Rename
3506 is_lvalue to is_glvalue.
3507 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
3508 INDIRECT_REF of COND_EXPR too.
3511 * init.c (build_zero_init_1): Zero-initialize references.
3514 * semantics.c (finish_stmt_expr_expr): Reject unresolved
3515 overloads used as stmt expr values.
3517 2018-03-05 Jason Merrill <jason@redhat.com>
3519 PR c++/84708 - ICE with lambda in local class NSDMI.
3520 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
3523 2018-03-05 Jakub Jelinek <jakub@redhat.com>
3526 * constexpr.c (constexpr_call_hasher::equal): Return false if
3527 lhs->hash != rhs->hash. Change return 1 to return true and
3528 return 0 to return false.
3530 2018-03-05 Nathan Sidwell <nathan@acm.org>
3533 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
3535 2018-03-05 Marek Polacek <polacek@redhat.com>
3538 * decl.c (duplicate_decls): Check DECL_NAME before accessing
3541 2018-03-05 Nathan Sidwell <nathan@acm.org>
3544 * friend.c (do_friend): Restore check for identifier_p inside
3547 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
3550 * parser.c (cp_parser_lambda_introducer): Reject any capture not
3551 involving a VAR_DECL or a PARM_DECL.
3553 2018-03-05 Pádraig Brady <P@draigBrady.com>
3554 Jason Merrill <jason@redhat.com>
3555 Nathan Sidwell <nathan@acm.org>
3558 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
3560 2018-03-03 Jason Merrill <jason@redhat.com>
3562 PR c++/84686 - missing volatile loads.
3563 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
3565 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
3568 * optimize.c (maybe_thunk_body): Bail out immediately if either
3569 fns[0] or fns[1] is null.
3571 2018-03-02 Marek Polacek <polacek@redhat.com>
3574 * constexpr.c (get_array_or_vector_nelts): New.
3575 (cxx_eval_array_reference): Use it.
3576 (cxx_eval_vec_init_1): Likewise.
3577 (cxx_eval_store_expression): Likewise.
3579 2018-03-02 Jason Merrill <jason@redhat.com>
3581 * semantics.c (force_paren_expr): Remove redundant test.
3583 2018-03-02 Marek Polacek <polacek@redhat.com>
3586 * decl.c (cp_complete_array_type): Check error_mark_node.
3589 * typeck.c (cp_perform_integral_promotions): Check the result of
3592 2018-03-02 Jakub Jelinek <jakub@redhat.com>
3595 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3596 RETURN instead of return.
3597 <case POINTER_PLUS_EXPR>: Likewise.
3598 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3599 it instead of wrapping it into CONVERT_EXPR.
3601 2018-03-02 Jason Merrill <jason@redhat.com>
3604 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3606 2018-03-02 Marek Polacek <polacek@redhat.com>
3609 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3610 wrapped in VIEW_CONVERT_EXPR.
3612 2018-03-01 Martin Sebor <msebor@redhat.com>
3615 * decl.c (check_redeclaration_no_default_args): Merge attributes
3616 specified on redeclarations of the same function template.
3619 2018-03-01 Marek Polacek <polacek@redhat.com>
3620 Jason Merrill <jason@redhat.com>
3623 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3625 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3626 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3627 of instantiate_non_dependent_expr.
3628 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3630 2018-03-01 Nathan Sidwell <nathan@acm.org>
3633 * name-lookup.c (member_vec_dedup): Remove manually peeled
3634 iteration. Ignore dependent ctor inheritance.
3636 2018-03-01 Jason Merrill <jason@redhat.com>
3638 PR c++/71569 - decltype of template.
3639 * parser.c (cp_parser_decltype_expr): Handle missing template args.
3641 2018-03-01 Marek Polacek <polacek@redhat.com>
3644 * constexpr.c (require_rvalue_constant_expression): New function.
3645 * cp-tree.h: Declare it.
3646 * semantics.c (finish_static_assert): Use it instead of
3647 require_potential_rvalue_constant_expression.
3649 2018-03-01 Jason Merrill <jason@redhat.com>
3650 Alexandre Oliva <aoliva@redhat.com>
3652 PR c++/71569 - ICE with redundant args on member variable template.
3653 * decl.c (start_decl): Handle partial specialization of member
3655 * pt.c (determine_specialization): Allow partial specialization
3656 of member variable template without specializing enclosing class.
3657 (process_partial_specialization): Improve error message.
3659 2018-02-28 Jason Merrill <jason@redhat.com>
3661 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3662 * pt.c (determine_specialization): Check ref-qualifier.
3664 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3667 * parser.c (cp_parser_attributes_opt): Formatting fix.
3668 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3669 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3671 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3672 instead of tentative parse to peek over optional attribute tokens
3673 to check for CPP_COLON after them.
3677 * pt.c (INCLUDE_STRING): Remove define.
3678 (warn_spec_missing_attributes): Use pretty_printer instead of
3679 std::string. Fix up inform call so that the list of attributes
3682 2018-02-28 Martin Sebor <msebor@redhat.com>
3685 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3688 2018-02-28 Nathan Sidwell <nathan@acm.org>
3691 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3692 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3693 regardless of want_type.
3694 (search_anon_aggr): Just use get_class_binding_direct.
3696 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3698 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3701 2018-02-27 Martin Sebor <msebor@redhat.com>
3703 * pt.c: Avoid including <string> directly.
3705 2018-02-27 Martin Sebor <msebor@redhat.com>
3709 * cp-tree.h (warn_spec_missing_attributes): New function.
3710 ((check_explicit_specialization): Add an argument. Call the above
3712 * decl.c (duplicate_decls): Avoid applying primary function template's
3713 attributes to its explicit specializations.
3714 cp/pt.c (warn_spec_missing_attributes): Define.
3716 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
3718 PR c++/71546 - lambda init-capture with qualified-id.
3719 * parser.c (cp_parser_lambda_introducer): Clear scope after
3720 each lambda capture.
3722 2018-02-27 Nathan Sidwell <nathan@acm.org>
3725 * name-lookup.h (get_member_slot): Rename ...
3726 (find_member_slot): ... here.
3727 (add_member_slot): New.
3728 * name-lookup.c (member_vec_linear_search): No need to check for
3730 (get_member_slot): Rename ...
3731 (find_member_slot): ... here. Don't add slot for incomplete class.
3732 (add_member_slot): New.
3733 * class.c (add_method): Adjust get_member_slot rename. Bail out
3734 if push_class_level_binding fails. Create slot and grok
3735 properties once we're committed to insertion.
3737 2018-02-27 Jason Merrill <jason@redhat.com>
3739 PR c++/84489 - dependent default template argument
3740 * pt.c (type_unification_real): Handle early substitution failure.
3742 2018-02-26 Jason Merrill <jason@redhat.com>
3744 PR c++/84560 - ICE capturing multi-dimensional VLA.
3745 * tree.c (array_of_runtime_bound_p): False if the element is
3748 PR c++/84441 - ICE with base initialized from ?:
3749 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3751 PR c++/84520 - ICE with generic lambda in NSDMI.
3752 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3753 'this' in a generic lambda instantiation.
3755 PR c++/84559 - ICE with constexpr VLA.
3756 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3757 for constexpr variable with VLA type.
3759 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3762 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3763 a valid constant initializer. Formatting fixes.
3765 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3768 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3769 returning NULL_TREE.
3770 (apply_late_template_attributes): Likewise.
3772 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3775 * parser.c (cp_parser_omp_var_list_no_open): Only call
3776 cp_parser_lookup_name_simple on names satisfying identifier_p.
3777 (cp_parser_oacc_routine): Likewise.
3779 2018-02-26 Jason Merrill <jason@redhat.com>
3781 PR c++/84551 - ICE with concepts and -g.
3782 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3784 2018-02-26 Marek Polacek <polacek@redhat.com>
3787 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3790 2018-02-26 Jason Merrill <jason@redhat.com>
3792 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3793 * call.c (build_over_call): Handle deleted functions in one place.
3795 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3798 * decl.c (redeclaration_error_message): Don't try to use
3799 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3801 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3803 * lambda.c (build_capture_proxy): Define static.
3804 * cp-tree.h (build_capture_proxy): Remove.
3806 2018-02-26 Marek Polacek <polacek@redhat.com>
3809 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3810 if name is error node.
3812 2018-02-25 Jason Merrill <jason@redhat.com>
3814 PR c++/84015 - ICE with class deduction and auto template parm.
3815 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3817 2018-02-24 Marek Polacek <polacek@redhat.com>
3820 * constexpr.c (maybe_constant_init_1): New function.
3821 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3822 (cxx_constant_init): New function.
3823 * cp-tree.h (cxx_constant_init): Declare.
3824 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3825 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3827 2018-02-22 Jason Merrill <jason@redhat.com>
3829 PR c++/70468 - ICE with constructor delegation via typedef.
3830 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3831 with constructor delegation.
3833 2018-02-22 Jason Merrill <jason@redhat.com>
3835 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3836 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3839 2018-02-22 Marek Polacek <polacek@redhat.com>
3842 * parser.c (cp_parser_braced_list): Use require_open instead of
3845 2018-02-21 Jason Merrill <jason@redhat.com>
3847 PR c++/84454 - ICE with pack expansion in signature.
3848 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3850 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3852 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3855 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3858 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3861 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3864 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3865 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3868 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3869 returns error_mark_node, return it immediately.
3870 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3871 error_mark_node, return error_mark_node.
3874 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3875 function_depth to avoid GC during finish_lambda_function.
3877 2018-02-19 Jason Merrill <jason@redhat.com>
3879 PR c++/84429 - ICE capturing VLA.
3880 * lambda.c (build_capture_proxy): Handle reference refs.
3882 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3885 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3886 either operand is error_mark_node, set current.lhs to that instead of
3887 creating a binary op with error_mark_node operands.
3890 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3892 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3895 * decl.c (grokdeclarator): Early return error_mark_node upon
3896 ill-formed friend declaration.
3898 2018-02-16 Marek Polacek <polacek@redhat.com>
3899 Jakub Jelinek <jakub@redhat.com>
3902 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3903 set *jump_target to anything if jump_target is NULL.
3905 2018-02-16 Jason Merrill <jason@redhat.com>
3907 PR c++/84151 - unnecessary volatile load with static member.
3908 * call.c (build_new_method_call_1): Avoid loading from a volatile
3909 lvalue used as the object argument for a static member function.
3911 PR c++/81853 - using-directive and constexpr.
3912 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3914 PR c++/84420 - ICE with structured binding in lambda.
3915 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3917 PR c++/83835 - C++17 error with constructor ctors.
3918 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3920 PR c++/82664 - ICE with reference to function template parm.
3921 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3924 PR c++/82764 - C++17 ICE with empty base
3925 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3927 2018-02-16 Jason Merrill <jason@redhat.com>
3929 PR c++/84421 - type-dependent if constexpr
3930 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3932 2018-02-16 Nathan Sidwell <nathan@acm.org>
3934 Deprecate -ffriend-injection.
3935 * decl.c (cxx_init_decl_processing): Emit warning on option.
3936 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3939 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3942 * decl.c (check_special_function_return_type): Reject template
3943 template parameter in deduction guide.
3945 2018-02-16 Nathan Sidwell <nathan@acm.org>
3948 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3950 2018-02-15 Jason Merrill <jason@redhat.com>
3952 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3953 * call.c (convert_like_real): Don't use the copy-list-initialization
3954 shortcut for ck_base.
3956 PR c++/84045 - ICE with typedef and noexcept.
3957 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3959 PR c++/84376 - ICE with omitted template arguments.
3960 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3962 PR c++/84368 - wrong error with local variable in variadic lambda.
3963 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3964 local_specializations.
3966 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3969 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3972 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3975 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3978 2018-02-14 Nathan Sidwell <nathan@acm.org>
3980 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3981 (c_parse_final_cleanups): Restore input_location after emitting
3984 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3986 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3987 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3988 auto_deduction_context, tree, int): Add defaults.
3989 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3990 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3991 tsubst_flags_t argument.
3992 * init.c (build_new): Likewise.
3994 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3997 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3998 about return other than *this in assignment operators if
3999 retval is type dependent expression.
4001 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
4004 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
4005 save_expr for the G++ extension.
4007 2018-02-13 Jason Merrill <jason@redhat.com>
4009 PR c++/84080 - ICE with return type deduction and specialization.
4010 * pt.c (determine_specialization): Check uses_template_parms.
4012 Fix more variadic capture issues.
4013 * pt.c (find_parameter_packs_r): Also look at explicit captures.
4014 (check_for_bare_parameter_packs): Check current_class_type for
4016 (extract_locals_r): Handle seeing a full instantiation of a pack.
4017 (tsubst_pack_expansion): Likewise. Force lambda capture.
4018 * parser.c (cp_parser_lambda_introducer): Don't
4019 check_for_bare_parameter_packs.
4021 PR c++/84338 - wrong variadic sizeof.
4022 * pt.c (argument_pack_select_arg): Like the macro, but look through
4024 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
4025 (extract_fnparm_pack): Do make_pack_expansion.
4026 (extract_locals_r): Do strip a pack expansion.
4027 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
4029 2018-02-12 Jakub Jelinek <jakub@redhat.com>
4032 * parser.c (cp_parser_binary_expression): Use build_min instead of
4033 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
4035 2018-02-12 Nathan Sidwell <nathan@acm.org>
4038 * parser.c (cp_parser_decltype): Push and pop
4039 deferring_access_checks. Reorganize to avoid goto.
4041 2018-02-12 Richard Biener <rguenther@suse.de>
4044 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
4045 uniform constructors and delay allocating them fully.
4047 2018-02-09 Jason Merrill <jason@redhat.com>
4049 PR c++/84036 - ICE with variadic capture.
4050 Handle variadic capture proxies more like non-variadic.
4051 * lambda.c (build_capture_proxy): Remove workaround.
4052 * pt.c (find_parameter_packs_r): The proxy is a pack.
4053 (instantiate_class_template_1): Remove dead lambda code.
4054 (extract_fnparm_pack): Don't make_pack_expansion.
4055 (extract_locals_r): Don't strip a pack expansion.
4056 (tsubst_pack_expansion): Handle proxy packs. Use
4057 PACK_EXPANSION_EXTRA_ARGS less.
4058 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
4059 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
4060 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
4061 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
4062 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
4064 2018-02-10 Jakub Jelinek <jakub@redhat.com>
4067 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
4069 2018-02-09 Jason Merrill <jason@redhat.com>
4071 PR c++/81917 - ICE with void_t and partial specialization.
4072 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
4073 calling most_specialized_partial_spec.
4075 2018-02-09 Nathan Sidwell <nathan@acm.org>
4078 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
4079 Pass expr location to strict_aliasing_warning.
4081 2018-02-09 Jason Merrill <jason@redhat.com>
4083 PR c++/84296 - ICE with qualified-id in template.
4085 * pt.c (unknown_base_ref_p): New.
4086 (instantiation_dependent_scope_ref_p): Use it instead of
4087 any_dependent_bases_p.
4089 2018-02-09 Marek Polacek <polacek@redhat.com>
4090 Jakub Jelinek <jakub@redhat.com>
4093 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
4094 fold_indirect_ref_1, including poly_*int64. Verify first that
4095 tree_fits_poly_int64_p (op01). Formatting fixes.
4097 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4099 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
4100 * lambda.c (build_capture_proxy): Likewise.
4101 * search.c (field_access_p): Likewise.
4102 * semantics.c (omp_clause_decl, omp_privatize_field,
4103 finish_omp_clauses): Likewise.
4105 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4108 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
4109 case of nullptr too.
4111 2018-02-08 Nathan Sidwell <nathan@acm.org>
4113 * class.c (finish_struct): Fix std:initializer_list diagnostic
4116 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
4119 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
4121 2018-02-07 Jakub Jelinek <jakub@redhat.com>
4124 * parser.c (cp_parser_dot_deref_incomplete): New function.
4125 (cp_parser_postfix_dot_deref_expression): Use it.
4127 2018-02-07 David Malcolm <dmalcolm@redhat.com>
4131 * name-lookup.c (suggest_rid_p): New function.
4132 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
4135 2018-02-07 Jason Merrill <jason@redhat.com>
4137 PR c++/84182 - ICE with captured lambda
4139 * pt.c (extract_locals_r, extract_local_specs): New.
4140 (tsubst_pack_expansion): Use them.
4142 2018-02-07 Martin Liska <mliska@suse.cz>
4145 * class.c (add_method): Append argument value.
4146 * cp-tree.h (maybe_version_functions): Add new argument.
4147 * decl.c (decls_match): Call it if a declaration does not
4148 have DECL_FUNCTION_VERSIONED.
4149 (maybe_version_functions): record argument is added.
4151 2018-02-05 Marek Polacek <polacek@redhat.com>
4153 * class.c: Remove unused global variables.
4154 (build_primary_vtable): Don't gather statistics.
4155 (print_class_statistics): Remove.
4156 * cp-tree.h (print_class_statistics): Remove.
4157 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
4159 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
4161 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
4162 * constexpr.c (cx_check_missing_mem_inits): Likewise.
4163 * decl.c (next_initializable_field, find_decomp_class_base,
4164 cp_finish_decomp): Likewise.
4165 * typeck2.c (process_init_constructor_record): Likewise.
4167 2018-02-02 Jason Merrill <jason@redhat.com>
4169 PR c++/84181 - ICE with lambda parm in template argument.
4170 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
4172 2018-02-01 Jason Merrill <jason@redhat.com>
4174 PR c++/84160 - ICE with nested variadic capture.
4175 * lambda.c (is_capture_proxy_with_ref): New.
4176 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
4178 * expr.c (mark_use): Use is_capture_proxy_with_ref.
4179 * constexpr.c (potential_constant_expression_1): Likewise.
4180 * semantics.c (process_outer_var_ref): Likewise.
4182 2018-02-01 Marek Polacek <polacek@redhat.com>
4185 * typeck.c (build_address): Relax the assert when
4186 processing_template_decl.
4188 2018-02-01 Jason Merrill <jason@redhat.com>
4190 PR c++/84126 - ICE with variadic generic lambda
4193 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
4194 PACK_EXPANSION_EXTRA_ARGS.
4196 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
4199 * call.c (convert_like_real): If w're initializing from {} explicitly
4200 call abstract_virtuals_error_sfinae.
4202 2018-01-31 Jason Merrill <jason@redhat.com>
4203 Jakub Jelinek <jakub@redhat.com>
4206 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
4207 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
4210 2018-01-31 Jakub Jelinek <jakub@redhat.com>
4213 * constexpr.c (diag_array_subscript): Emit different diagnostics
4214 if TYPE_DOMAIN (arraytype) is NULL.
4215 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
4216 with NULL TYPE_DOMAIN use size_zero_node as nelts.
4218 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
4221 * semantics.c (finish_qualified_id_expr): When handling an
4222 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
4224 2018-01-31 Marek Polacek <polacek@redhat.com>
4227 * cp-gimplify.c (cp_fold): Check if X is an error node before
4228 calling useless_type_conversion_p.
4230 2018-01-30 Jason Merrill <jason@redhat.com>
4232 PR c++/84091 - ICE with local class in lambda in template.
4233 * decl2.c (determine_visibility): Look for outer containing template
4236 PR c++/84098 - ICE with lambda in template NSDMI.
4237 * pt.c (instantiate_class_template_1): Ignore more lambdas.
4239 2018-01-29 Jason Merrill <jason@redhat.com>
4241 PR c++/68810 - wrong location for reinterpret_cast error.
4242 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
4245 2018-01-29 Marek Polacek <polacek@redhat.com>
4248 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
4249 => fooarray[1] in offset_int.
4251 2018-01-29 Jason Merrill <jason@redhat.com>
4253 PR c++/83942 - wrong unused warning with static_cast.
4254 * cvt.c (ocp_convert): Call mark_rvalue_use.
4256 2018-01-26 Jason Merrill <jason@redhat.com>
4258 PR c++/83956 - wrong dtor error with anonymous union
4259 * method.c (walk_field_subobs): Variant members only affect
4261 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
4263 PR c++/84036 - ICE with variadic capture.
4265 * pt.c (tsubst_pack_expansion): When optimizing a simple
4266 substitution, pull a single pack expansion out of its pack.
4268 PR c++/82514 - ICE with local class in generic lambda.
4269 * pt.c (regenerated_lambda_fn_p): Remove.
4270 (enclosing_instantiation_of): Don't use it.
4271 (tsubst_function_decl): Call enclosing_instantiation_of.
4273 * pt.c (lookup_template_class_1): Add sanity check.
4274 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
4276 2018-01-25 Jakub Jelinek <jakub@redhat.com>
4279 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
4280 recursive calls that return ret.
4281 (cp_finish_decomp): Ignore unnamed bitfields.
4283 2018-01-23 Jason Merrill <jason@redhat.com>
4285 PR c++/82249 - wrong mismatched pack length error.
4286 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
4287 unsubstituted function parameter pack.
4289 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
4292 * decl.c (check_for_uninitialized_const_var): Not static; add
4293 bool and tsubst_flags_t parameters; adjust to be used both in
4294 constexpr context and not.
4295 * constexpr.c (potential_constant_expression_1): Use the above.
4296 * cp-tree.h (check_for_uninitialized_const_var): Declare.
4298 2018-01-23 Jason Merrill <jason@redhat.com>
4300 PR c++/83947 - ICE with auto declarations.
4301 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
4302 * decl.c (undeduced_auto_decl): Limit to vars and fns.
4304 2018-01-23 David Malcolm <dmalcolm@redhat.com>
4307 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
4308 for pointer to member function types.
4310 2018-01-23 Jakub Jelinek <jakub@redhat.com>
4313 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
4314 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
4316 2018-01-23 Nathan Sidwell <nathan@acm.org>
4319 * pt.c (tsubst_baselink): Remove optype assert.
4320 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
4322 2018-01-23 Jakub Jelinek <jakub@redhat.com>
4325 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
4326 refers to incomplete type.
4328 2018-01-23 Nathan Sidwell <nathan@acm.org>
4330 Deprecate ARM-era for scope handling
4331 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
4332 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
4334 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
4336 * semantics.c (begin_for_scope): Flag_new_for_scope is
4338 (finish_for_stmt, begin_range_for_stmt): Likewise.
4340 2018-01-22 Jason Merrill <jason@redhat.com>
4343 * decl2.c (determine_visibility): Fix template_decl handling
4344 instead of blocking it.
4346 PR c++/83720 - ICE with lambda and LTO.
4347 * decl2.c (determine_visibility): Clear template_decl for
4348 function-scope decls. Propagate anonymous linkage from containing
4351 2018-01-22 Marek Polacek <polacek@redhat.com>
4354 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
4357 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
4360 * decl.c (grokdeclarator): Don't diagnose extra parens
4363 2018-01-19 Jakub Jelinek <jakub@redhat.com>
4366 * call.c (joust): Use TREE_TYPE (source) if source is
4367 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
4370 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
4371 for direct enum init.
4372 * decl.c (reshape_init): Likewise.
4374 2018-01-19 Marek Polacek <polacek@redhat.com>
4376 * constexpr.c (fold_simple): Simplify.
4378 2018-01-18 Jason Merrill <jason@redhat.com>
4381 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
4382 * pt.c (instantiation_dependent_scope_ref_p): True if
4383 any_dependent_bases_p.
4385 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
4387 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
4388 vs DECL_NONTRIVIALLY_INITIALIZED_P).
4390 2018-01-18 Jason Merrill <jason@redhat.com>
4392 PR c++/82461 - constexpr list-initialized member
4393 * constexpr.c (potential_constant_expression_1): Check
4394 TARGET_EXPR_DIRECT_INIT_P.
4396 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
4399 * decl.c (xref_basetypes): Early return upon error about derived
4402 2018-01-18 Nathan Sidwell <nathan@acm.org>
4405 * cp-tree.h (mark_use): Declare.
4406 * expr.c (mark_use): Make extern.
4407 * call.c (direct_reference_binding): Set inner conv's
4408 rvaluedness_matches_p, if it is an identity.
4409 (convert_like_real): Mark lvalue or rvalue use for identity as
4410 rvaledness_matches_p demands.
4412 2018-01-18 Jakub Jelinek <jakub@redhat.com>
4415 * parser.c (attr_chainon): New function.
4416 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
4417 cp_parser_namespace_definition, cp_parser_init_declarator,
4418 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
4419 cp_parser_gnu_attributes_opt): Use it.
4420 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
4421 cp_parser_objc_struct_declaration): Likewise. Don't reset
4422 prefix_attributes if attributes is error_mark_node.
4424 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4427 * decl.c (grokdeclarator): Do not append the error_mark_node
4428 due to an erroneous optional attribute-specifier-seq.
4430 2018-01-17 Jakub Jelinek <jakub@redhat.com>
4433 * cp-gimplify.c (cp_maybe_instrument_return): Handle
4436 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4439 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
4440 error_mark_node when we give an error.
4441 * decl.c (cp_finish_decl): Use the latter.
4443 2018-01-17 Nathan Sidwell <nathan@acm.org>
4446 * init.c (build_raw_new_expr): Scan list for lookups to keep.
4448 2018-01-17 David Malcolm <dmalcolm@redhat.com>
4451 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
4452 the C++ part. If processing a template, call
4453 fold_non_dependent_expr rather than fully folding.
4455 2018-01-17 Jason Merrill <jason@redhat.com>
4457 PR c++/81067 - redundant NULL warning.
4458 * call.c (convert_like_real): Restore null_node handling.
4460 2018-01-17 Jason Merrill <jason@redhat.com>
4462 PR c++/81843 - ICE with variadic member template.
4464 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
4467 2018-01-17 David Malcolm <dmalcolm@redhat.com>
4470 * pt.c (type_dependent_expression_p): Strip any location wrapper
4471 before testing tree codes.
4472 (selftest::test_type_dependent_expression_p): New function.
4473 (selftest::cp_pt_c_tests): Call it.
4475 2018-01-17 Nathan Sidwell <nathan@acm.org>
4478 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
4479 this not a final instantiation.
4481 2018-01-16 Jason Merrill <jason@redhat.com>
4483 PR c++/83714 - ICE checking return in template.
4484 * typeck.c (check_return_expr): Call build_non_dependent_expr.
4486 2018-01-16 Jakub Jelinek <jakub@redhat.com>
4489 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
4490 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
4491 instead of CALL_FROM_THUNK_P.
4494 * name-lookup.c (member_vec_dedup): Return early if len is 0.
4495 (resort_type_member_vec, set_class_bindings,
4496 insert_late_enum_def_bindings): Use vec qsort method instead of
4497 calling qsort directly.
4499 2018-01-15 Martin Sebor <msebor@redhat.com>
4502 * class.c (find_flexarrays): Make a record of multiple flexible array
4505 2018-01-12 Jason Merrill <jason@redhat.com>
4507 PR c++/83186 - ICE with static_cast of list-initialized temporary.
4508 * typeck.c (build_static_cast): Use build_non_dependent_expr.
4510 2018-01-12 Nathan Sidwell <nathan@acm.org>
4512 * cp-tree.h (mark_rvalue_use): Add parm name.
4513 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
4515 * call.c (convert_like_real): Fix formatting.
4517 2018-01-11 Jason Merrill <jason@redhat.com>
4519 PR c++/82728 - wrong -Wunused-but-set-variable
4522 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
4523 * decl.c (case_conversion): Likewise.
4524 * semantics.c (finish_static_assert): Call
4525 perform_implicit_conversion_flags.
4527 2018-01-11 Nathan Sidwell <nathan@acm.org>
4529 * method.c (enum mangling_flags): Delete long-dead enum.
4531 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4533 * parser.c (cp_parser_std_attribute_spec): When
4534 token_pair::require_open / require_close return false simply
4535 return error_mark_node, avoid duplicate cp_parser_error about
4536 expected '(' / ')', respectively.
4538 2018-01-10 David Malcolm <dmalcolm@redhat.com>
4541 * call.c (null_ptr_cst_p): Strip location wrappers when
4542 converting from '0' to a pointer type in C++11 onwards.
4543 (conversion_null_warnings): Replace comparison with null_node with
4544 call to null_node_p.
4545 (build_over_call): Likewise.
4546 * cp-gimplify.c (cp_fold): Remove the early bailout when
4547 processing_template_decl.
4548 * cp-lang.c (selftest::run_cp_tests): Call
4549 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
4550 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
4551 (selftest::run_cp_tests): Move decl to bottom of file.
4552 (null_node_p): New inline function.
4553 (selftest::cp_pt_c_tests): New decl.
4554 (selftest::cp_tree_c_tests): New decl.
4555 * cvt.c (build_expr_type_conversion): Replace comparison with
4556 null_node with call to null_node_p.
4557 * error.c (args_to_string): Likewise.
4558 * except.c (build_throw): Likewise.
4559 * mangle.c (write_expression): Skip location wrapper nodes.
4560 * parser.c (literal_integer_zerop): New function.
4561 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
4562 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
4563 param of cp_parser_parenthesized_expression_list. When calling
4564 warn_for_memset, replace integer_zerop calls with
4565 literal_integer_zerop, eliminating the double logical negation
4566 cast to bool. Eliminate the special-casing for CONST_DECL in
4567 favor of the fold_for_warn within warn_for_memset.
4568 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
4569 param, defaulting to false. Convert "expr" to a cp_expr, and call
4570 maybe_add_location_wrapper on it when wrap_locations_p is true.
4571 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
4572 the result for RID_ALIGNOF and RID_SIZEOF.
4573 (cp_parser_builtin_offsetof): Likewise.
4574 * pt.c: Include "selftest.h".
4575 (tsubst_copy): Handle location wrappers.
4576 (tsubst_copy_and_build): Likewise.
4577 (build_non_dependent_expr): Likewise.
4578 (selftest::test_build_non_dependent_expr): New function.
4579 (selftest::cp_pt_c_tests): New function.
4580 * tree.c: Include "selftest.h".
4581 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4582 (selftest::test_lvalue_kind): New function.
4583 (selftest::cp_tree_c_tests): New function.
4584 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4585 (cp_build_binary_op): Replace comparison with null_node with call
4587 (build_address): Use location of operand when building address
4590 2018-01-10 Marek Polacek <polacek@redhat.com>
4593 * call.c (build_conditional_expr_1): Check complain before warning.
4594 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4595 -Wduplicated-branches.
4597 2018-01-10 Jakub Jelinek <jakub@redhat.com>
4600 * call.c (maybe_warn_class_memaccess): Add forward declaration.
4601 Change last argument from tree * to const vec<tree, va_gc> *, adjust
4602 args uses and check number of operands too. Don't strip away any
4603 nops. Use maybe_constant_value when looking for INTEGER_CST args.
4604 Deal with src argument not having pointer type. Check
4605 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
4607 (build_over_call): Call maybe_warn_class_memaccess here on the
4609 (build_cxx_call): Rather than here on converted arguments.
4611 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4614 * init.c (build_vec_init): Avoid building an INIT_EXPR with
4615 error_mark_node as second argument.
4617 2018-01-09 Jakub Jelinek <jakub@redhat.com>
4620 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4621 in STATEMENT_LIST. Remove unneeded assert.
4623 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
4624 Alan Hayward <alan.hayward@arm.com>
4625 David Sherwood <david.sherwood@arm.com>
4627 * constexpr.c (cxx_eval_array_reference): Handle polynomial
4629 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4630 * call.c (build_conditional_expr_1): Likewise.
4631 * decl.c (cp_finish_decomp): Likewise.
4632 * mangle.c (write_type): Likewise.
4633 * typeck.c (structural_comptypes): Likewise.
4634 (cp_build_binary_op): Likewise.
4635 * typeck2.c (process_init_constructor_array): Likewise.
4637 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4640 * typeck.c (build_static_cast_1): For static casts to reference types,
4641 call build_base_path with flag_delete_null_pointer_checks as nonnull
4642 instead of always false. When -fsanitize=null, call
4643 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4644 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4645 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4647 2018-01-03 Nathan Sidwell <nathan@acm.org>
4650 * method.c (make_alias_for): Copy DECL_CONTEXT.
4652 2018-01-03 Marek Polacek <polacek@redhat.com>
4655 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4657 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4659 PR preprocessor/83602
4660 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4664 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4665 error_mark_node, return error_mark_node.
4667 Update copyright years.
4669 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4672 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4673 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4674 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4675 to false and return.
4676 (replace_placeholders): Pass NULL instead of &pset as last argument
4679 2018-01-02 Nathan Sidwell <nathan@acm.org>
4681 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4684 Copyright (C) 2018 Free Software Foundation, Inc.
4686 Copying and distribution of this file, with or without modification,
4687 are permitted in any medium without royalty provided the copyright
4688 notice and this notice are preserved.