| blob | 8e586a1f51450e51e1542494681968a39b14973b |
1 2018-10-31 Nathan Sidwell <nathan@acm.org>
3 * cp-tree.h (OVL_DEDUP_P): New.
4 * name-lookup.c (name_lookup::add_overload): Check OVL_DEDUP_P.
5 (get_class_binding_direct): Likwise.
6 * tree.c (ovl_make): Propagate OVL_DEDUP_P.
7 (ovl_copy): Copy it.
8 (ovl_insert): Do not keep using-decls ordered.
9 (lookup_maybe_add): Adjust comment.
11 2018-10-30 Marek Polacek <polacek@redhat.com>
13 Implement P0892R2, explicit(bool).
14 * call.c (add_template_candidate_real): Return if the declaration is
15 explicit and we're only looking for non-converting constructor.
16 * cp-tree.h (lang_decl_fn): Add has_dependent_explicit_spec_p bit.
17 (DECL_HAS_DEPENDENT_EXPLICIT_SPEC_P): New macro.
18 (cp_decl_specifier_seq): Add explicit_specifier field.
19 (build_explicit_specifier, store_explicit_specifier): Declare.
20 * decl.c (grokdeclarator): Call store_explicit_specifier.
21 (build_explicit_specifier): New function.
22 * parser.c (cp_parser_function_specifier_opt) <case RID_EXPLICIT>:
23 Parse C++20 explicit(bool).
24 * pt.c (store_explicit_specifier, lookup_explicit_specifier): New.
25 (tsubst_function_decl): Handle explicit(dependent-expr).
27 2018-10-30 Paolo Carlini <paolo.carlini@oracle.com>
29 * decl.c (grokdeclarator): Use declarator->id_loc in diagnostic
30 about flexible array members.
32 2018-10-29 David Malcolm <dmalcolm@redhat.com>
34 * cp-name-hint.h: New file.
35 * cp-tree.h (expr_to_string): New decl.
36 (suggest_alternatives_for): Move to cp-name-hint.h, changing
37 return type from bool to name_hint.
38 (suggest_alternative_in_explicit_scope): Likewise.
39 * error.c: Define INCLUDE_UNIQUE_PTR. Include "cp-name-hint.h".
40 (expr_to_string): Make non-static.
41 (qualified_name_lookup_error): For the non-"::" case, take
42 responsibity for issuing any suggestion from
43 suggest_alternative_in_explicit_scope, as it changes from
44 returning a bool to returning a name_hint. Replace fallback call
45 to suggest_alternatives_for to a call to
46 suggest_alternatives_in_other_namespaces, capturing the fact that
47 we don't have enough location information to issue a fix-it hint
48 for this case. Update the error to support emitting a fix-it hint
49 where appropriate. For the "::" case, take responsibility for
50 issuing any suggestion from suggest_alternatives_for, supporting
51 emitting a fix-it hint.
52 * lex.c: Define INCLUDE_UNIQUE_PTR. Include "gcc-rich-location.h"
53 and "cp-name-hint.h".
54 (unqualified_name_lookup_error): Take responsibility for issuing
55 any suggestion from suggest_alternatives_for, supporting emitting
56 a fix-it hint.
57 * name-lookup.c (class namespace_limit_reached): New subclass of
58 deferred_diagnostic.
59 (class show_candidate_location): Likewise.
60 (class suggest_alternatives): Likewise.
61 (class namespace_hints): New class.
62 (suggest_alternatives_for): Convert return type from bool to
63 name_hint, replacing all direct diagnostic emission by setting
64 suggestions on the return value, or creating deferred diagnostics.
65 Specifically, split out initial traversal of namespaces into
66 namespace_hints' ctor, and maybe_decorate_with_limit, and move the
67 rest of the implementation to
68 namespace_hints::convert_candidates_to_name_hint and
69 suggest_alternatives_for_1.
70 (namespace_hints::namespace_hints): New ctor, adapted from
71 suggest_alternatives_for's initial namespace traversal, storing
72 location and name, and converting locals "candidates", "limited"
73 and "limit" into members.
74 (namespace_hints::convert_candidates_to_name_hint): New member
75 function.
76 (namespace_hints::maybe_decorate_with_limit): New member function.
77 (suggest_alternatives_for_1): New function, based on second half
78 of old implementation of suggest_alternatives_for, converting from
79 immediate emission of suggestions to using name_hint.
80 (suggest_alternatives_in_other_namespaces): New function.
81 (maybe_suggest_missing_std_header): Convert from immediate
82 emission of suggestions to using name_hint, moving emission
83 implementation to...
84 (class missing_std_header): New subclass of deferred_diagnostic.
85 (maybe_suggest_missing_header): Convert return type from bool to
86 name_hint.
87 (suggest_alternative_in_explicit_scope): Convert from immediate
88 emission of suggestions to using name_hint.
89 * parser.c: Replace include of "c-family/name-hint.h" with
90 "cp-name-hint.h".
91 (cp_parser_diagnose_invalid_type_name): Update
92 "is there a suggestion" logic for change to
93 name_hint::operator bool. Take responsibility for emitting
94 fix-it hints from suggest_alternative_in_explicit_scope.
95 (cp_parser_namespace_name): Take responsibility for emitting
96 fix-it hints from suggest_alternative_in_explicit_scope. Don't
97 emit the "expected namespace-name" error if we've already emitted
98 an "is not a namespace-name" error.
100 2018-10-29 David Malcolm <dmalcolm@redhat.com>
102 PR c++/56856
103 * call.c (build_over_call): Eliminate the "arglocs" array, and the
104 call to maybe_constant_value when building "fargs".
106 2018-10-29 Paolo Carlini <paolo.carlini@oracle.com>
108 * decl.c (create_array_type_for_decl): Add location_t parameter
109 and use it.
110 (grokdeclarator): Adjust call.
112 2018-10-29 Marek Polacek <polacek@redhat.com>
114 PR c++/87594 - constexpr rejects-valid with range-based for.
115 * constexpr.c (potential_constant_expression_1): If the condition
116 can't be evaluated, return true.
118 2018-10-29 Joseph Myers <joseph@codesourcery.com>
119 Julian Brown <julian@codesourcery.com>
121 PR c++/66053
122 * semantics.c (handle_omp_array_sections_1): Allow array
123 sections with "this" pointer for OpenACC.
125 2018-10-25 Jason Merrill <jason@redhat.com>
127 * parser.c (cp_parser_sizeof_operand): Remove redundant use of
128 grokdeclarator.
130 2018-10-24 Jakub Jelinek <jakub@redhat.com>
132 PR c++/86288
133 * parser.c (cp_parser_std_attribute): Canonicalize attr_ns, and when
134 :: is not present and attr_ns non-NULL, canonicalize also attr_id.
135 (cp_parser_attribute_spec): Fix comment typo.
137 2018-10-24 Martin Sebor <msebor@redhat.com>
139 PR c++/84851
140 * call.c (maybe_warn_class_memaccess): Tighten up.
142 2018-10-17 David Malcolm <dmalcolm@redhat.com>
144 * Make-lang.in (selftest-c++): New.
145 (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
146 (selftest-c++-gdb, selftest-c++-valgrind): Move here from
147 gcc/Makefile.in.
149 2018-10-17 Paolo Carlini <paolo.carlini@oracle.com>
151 PR c++/84705
152 * tree.c (build_cplus_new): Avoid duplicate diagnostic about
153 incomplete type, early return error_mark_node if the second
154 argument is error_mark_node.
156 2018-10-12 Nathan Sidwell <nathan@acm.org>
158 * parser.h (struct cp_parser): Drop implicit_extern_c.
159 * parser.c (cp_debug_parser): Drop implicit_extern_c.
160 (cp_parser_new): Likewise.
161 (cp_parser_translation_unit): Handle implicit extern c here. Call
162 cp_parser_toplevel_declaration.
163 (cp_parser_toplevel_declaration): New, broken out of ...
164 (cp_parser_declaration_seq_opt): ... here. Call it. Drop
165 implicit extern C handling.
167 2018-10-11 Will Wray <wjwray@gmail.com>
169 PR c++/87364
170 * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
171 (cxx_pretty_printer::constant): Use it.
173 2018-10-11 David Malcolm <dmalcolm@redhat.com>
175 PR c++/84993
176 * call.c (enforce_access): Move diagnostics to...
177 (complain_about_access): ...this new function.
178 * cp-tree.h (class access_failure_info): Rename split out field
179 "m_field_decl" into "m_decl" and "m_diag_decl".
180 (access_failure_info::record_access_failure): Add tree param.
181 (access_failure_info::was_inaccessible_p): New accessor.
182 (access_failure_info::get_decl): New accessor.
183 (access_failure_info::get_diag_decl): New accessor.
184 (access_failure_info::get_any_accessor): New member function.
185 (access_failure_info::add_fixit_hint): New static member function.
186 (complain_about_access): New decl.
187 * typeck.c (access_failure_info::record_access_failure): Update
188 for change to fields.
189 (access_failure_info::maybe_suggest_accessor): Split out into...
190 (access_failure_info::get_any_accessor): ...this new function...
191 (access_failure_info::add_fixit_hint): ...and this new function.
192 (finish_class_member_access_expr): Split out "has no member named"
193 error-handling into...
194 (complain_about_unrecognized_member): ...this new function, and
195 check that the guessed name is accessible along the access path.
196 Only provide a spell-correction fix-it hint if it is; otherwise,
197 attempt to issue an accessor fix-it hint.
199 2018-10-11 Nathan Sidwell <nathan@acm.org>
201 * parser.c (cp_parser_translation_unit): Return void. Don't fail
202 at first extra }, simplify logic.
203 (c_parse_file): Call finish_translation_unit here.
205 2018-10-11 Jakub Jelinek <jakub@redhat.com>
207 PR c++/87582
208 * typeck.c (maybe_warn_about_returning_address_of_local): If
209 whats_returned is a structured binding identifier and the structured
210 binding is a reference, recurse on its initializer.
212 PR c++/87547
213 * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
214 of TREE_TYPE.
216 2018-10-10 Marek Polacek <polacek@redhat.com>
218 PR c++/87567 - constexpr rejects call to non-constexpr function.
219 * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
220 true if the condition is always false.
221 <case WHILE_STMT>: Likewise.
223 2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
225 PR c++/84423
226 * pt.c (convert_template_argument): Immediately return error_mark_node
227 if the second argument is erroneous.
228 * parser.c (cp_parser_type_id): Add location_t * parameter.
229 (cp_parser_type_id_1): Likewise.
230 (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
231 obtain the location of the type and save it.
232 (cp_parser_template_type_arg): Adjust.
233 (cp_parser_trailing_type_id): Likewise.
234 * decl.c (grokdeclarator): Improve error message for 'auto' in
235 alias declaration.
237 2018-10-08 Paolo Carlini <paolo.carlini@oracle.com>
239 PR c++/71128
240 * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
241 explicitly instantiated.
243 2018-10-05 David Malcolm <dmalcolm@redhat.com>
245 PR c++/56856
246 * call.c (build_over_call): Build a vec of locations of the
247 arguments before the call to maybe_constant_value, and pass to
248 check_function_arguments.
249 * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
250 c_get_substring_location.
251 * parser.c (cp_parser_string_literal): Capture string
252 concatenation locations.
254 2018-10-04 Nathan Sidwell <nathan@acm.org>
256 * lang-specs.h: Use string contatenation, not line splicing.
258 2018-10-03 Jason Merrill <jason@redhat.com>
260 Implement P0840, language support for empty objects.
261 * tree.c (handle_no_unique_addr_attribute): New.
262 (cxx_attribute_table): Add [[no_unique_address]].
263 * class.c (field_poverlapping_p): New.
264 (layout_class_type): Check it. Adjust DECL_SIZE of potentially
265 overlapping fields.
266 (layout_empty_base_or_field): Rename from layout_empty_base, handle
267 FIELD_DECL as well.
268 (build_base_field, record_subobject_offsets): Adjust.
270 2018-10-03 Martin Liska <mliska@suse.cz>
272 PR gcov-profile/86109
273 * parser.c (cp_parser_lambda_declarator_opt):
274 Set DECL_LAMBDA_FUNCTION for lambdas.
276 2018-10-02 Richard Biener <rguenther@suse.de>
278 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
280 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
281 Pierre-Marie de Rodat <derodat@adacore.com>
283 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
285 2018-09-28 Richard Biener <rguenther@suse.de>
287 * error.c (cp_print_error_function): Simplify by eliding
288 the BLOCK_ABSTRACT_ORIGIN chasing.
290 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
292 PR c++/84940
293 * semantics.c (finish_unary_op_expr): Check return value of
294 build_x_unary_op for error_mark_node.
296 2018-09-25 Jakub Jelinek <jakub@redhat.com>
298 PR c++/87398
299 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
300 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
302 2018-09-25 Martin Liska <mliska@suse.cz>
304 * name-lookup.c (namespace_scope_ht_size): Remove
305 unused function.
306 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
308 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
310 PR c++/85070
311 * method.c (lazily_declare_fn): During error-recovery add_method
312 may return false.
314 2018-09-21 Marek Polacek <polacek@redhat.com>
316 PR c++/87372 - __func__ constexpr evaluation.
317 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
318 cxx_eval_outermost_constant_expr.
320 2018-09-20 Marek Polacek <polacek@redhat.com>
322 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
323 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
324 check to only return if we're converting the return value to a base
325 class.
327 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
329 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
331 2018-09-20 Jason Merrill <jason@redhat.com>
333 PR c++/87075 - ICE with constexpr array initialization.
334 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
336 2018-09-19 Marek Polacek <polacek@redhat.com>
338 Add -Wclass-conversion.
339 * decl.c (grok_op_properties): Change a warning from -Wconversion to
340 -Wclass-conversion. Make it print the types.
342 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
344 PR c++/87324
345 * parser.c (cp_parser_initializer_list): Assign error_mark_node
346 to the index upon error.
348 2018-09-19 Marek Polacek <polacek@redhat.com>
350 PR c++/87357 - missing -Wconversion warning
351 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
352 a conversion to a reference to void. Use
353 same_type_ignoring_top_level_qualifiers_p rather than comparing types
354 directly.
356 2018-09-18 Marek Polacek <polacek@redhat.com>
358 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
359 * call.c (build_over_call): No longer check if we're outside a template
360 function.
361 * class.c (build_vtbl_initializer): Build vtable's constructor with
362 indexes.
363 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
364 initializer. Handle OBJ_TYPE_REF.
365 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
366 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
367 (initialize_artificial_var): Mark the variable as constexpr.
368 (grokdeclarator): Change error to pedwarn. Only warn when
369 pedantic and not C++2a.
371 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
373 PR c++/85065
374 * cp-tree.h (NON_ERROR): New.
375 * pt.c (auto_hash::hash): Use it.
376 (do_auto_deduction): Likewise.
378 2018-09-18 Nathan Sidwell <nathan@acm.org>
380 PR c++/86881
381 * name-lookup.c (check_local_shadow): Ignore auto types.
383 2018-09-17 David Malcolm <dmalcolm@redhat.com>
385 * error.c (range_label_for_type_mismatch::get_text): Update for
386 new param.
388 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
390 * typeck2.c (digest_init_r): Fix overlength strings.
392 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
394 PR c++/87093
395 * method.c (constructible_expr): We're in an unevaluated context
396 in all cases, not just for class targets.
398 2018-09-12 David Malcolm <dmalcolm@redhat.com>
400 PR c++/85110
401 * call.c (struct conversion_info): Add "loc" field.
402 (arg_conversion_rejection): Add "loc" param, using it to
403 initialize the new field.
404 (bad_arg_conversion_rejection): Likewise.
405 (explicit_conversion_rejection): Initialize the new field to
406 UNKNOWN_LOCATION.
407 (template_conversion_rejection): Likewise.
408 (add_function_candidate): Pass on the argument location to the new
409 param of arg_conversion_rejection.
410 (add_conv_candidate): Likewise.
411 (build_builtin_candidate): Likewise.
412 (build_user_type_conversion_1): Likewise.
413 (single_z_candidate): New function.
414 (maybe_get_bad_conversion_for_unmatched_call): New function.
415 (complain_about_bad_argument): New function, based on part of
416 convert_for_assignment.
417 (build_new_method_call_1): Split out handling of the "no viable
418 candidates" case into...
419 (complain_about_no_candidates_for_method_call): ...this new
420 function, and use the new functions above to special-case the
421 handling of a single non-viable candidate due to a bad argument.
422 * cp-tree.h (complain_about_bad_argument): New decl.
423 * typeck.c (convert_for_assignment): Split out one error-handling
424 case into complain_about_bad_argument.
426 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
427 Julian Brown <julian@codesourcery.com>
429 PR middle-end/86336
430 * semantics.c (finish_omp_clauses): Treat C++ references the same in
431 OpenACC as OpenMP.
433 2018-08-28 Martin Liska <mliska@suse.cz>
435 * constexpr.c (cxx_eval_call_expression): Add quotes
436 to -fconstexpr-depth=.
438 2018-09-10 Marek Polacek <polacek@redhat.com>
440 * class.c (build_vtbl_ref): Remove.
441 (build_vtbl_ref_1): Rename to build_vtbl_ref.
442 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
444 2018-09-08 Marek Polacek <polacek@redhat.com>
446 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
447 * call.c (struct conversion): Update commentary.
448 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
449 for ck_base.
451 2018-09-08 Jason Merrill <jason@redhat.com>
453 PR c++/86678 - constexpr function with non-constant after return.
454 * constexpr.c (potential_constant_expression_1): Add jump_target.
455 (breaks): Check for BREAK_STMT.
456 (continues): Check for CONTINUE_STMT.
458 2018-09-08 Marek Polacek <polacek@redhat.com>
460 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
461 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
463 2018-09-07 Marek Polacek <polacek@redhat.com>
465 PR c++/87152 - range-based for loops with initializer broken in templates.
466 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
467 Recur into RANGE_FOR_INIT_STMT.
468 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
469 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
470 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
471 RANGE_FOR_INIT_STMT.
472 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
473 RANGE_FOR_INIT_STMT.
474 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
475 Do put the init statement in RANGE_FOR_INIT_STMT.
476 (finish_range_for_decl): Pop it for templates.
478 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
480 * decl.c (check_initializer): Call cp_complete_array_type.
482 2018-09-05 Marek Polacek <polacek@redhat.com>
484 PR c++/87109, wrong overload with ref-qualifiers.
485 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
486 out if performing the maybe-rvalue overload resolution and a conversion
487 function is getting called.
489 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
490 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
491 to std::move or std::forward.
492 (is_std_forward_p): New function.
494 2018-09-05 Pádraig Brady <p@draigbrady.com>
496 PR c++/87185
497 * lambda.c (prune_lambda_captures): Protect against const_vars.get
498 returning NULL.
500 2018-09-04 Marek Polacek <polacek@redhat.com>
502 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
503 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
504 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
505 parameter.
506 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
507 (check_return_expr): Likewise.
509 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
511 PR c++/84980
512 * constraint.cc (finish_shorthand_constraint): Early return if the
513 constraint is erroneous.
515 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
517 * decl.c (eval_check_narrowing): Remove.
518 (check_initializer): Move call to braced_list_to_string from here ...
519 * typeck2.c (store_init_value): ... to here.
520 (digest_init_r): Remove handing of signed/unsigned char strings.
522 2018-08-31 Nathan Sidwell <nathan@acm.org>
524 PR c++/87155
525 PR c++/84707
526 * name-lookup.c (name_lookup::search_namespace): Don't look at
527 inlines when searching for NULL names.
529 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
530 of return types and parms.
531 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
532 '()' always means '(void)'.
534 2018-08-29 Jakub Jelinek <jakub@redhat.com>
536 PR c++/87095
537 * decl.c (begin_destructor_body): If current_class_type has
538 virtual bases and the primary base is nearly empty virtual base,
539 voidify clearing of vptr and make it conditional on in-charge
540 argument.
542 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
544 PR c++/85265
545 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
546 returns error_mark_node early exit the loop.
547 (cp_parser_template_introduction): Improve error-recovery, remove
548 error call about empty introduction-list.
550 2018-08-29 David Malcolm <dmalcolm@redhat.com>
552 PR c++/85110
553 * call.c (print_conversion_rejection): Add "fn" param and use it
554 for "no known conversion" messages to underline the pertinent
555 param.
556 (print_z_candidate): Supply "fn" to the new param above.
558 2018-08-29 Jakub Jelinek <jakub@redhat.com>
560 PR c++/87122
561 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
562 processing_template_decl and decl is structured binding decl, call
563 cp_finish_decomp.
565 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
567 PR c++/86546
568 * decl.c (finish_case_label): If the type is erroneous early
569 return error_mark_node.
571 2018-08-27 David Malcolm <dmalcolm@redhat.com>
573 PR c++/63392
574 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
575 hint.
577 2018-08-27 Jakub Jelinek <jakub@redhat.com>
579 PR c++/86993
580 * cp-tree.h (cxx_readonly_error): Add location_t argument.
581 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
582 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
583 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
584 pass LOC to it. Formatting fixes.
585 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
586 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
587 * semantics.c (finish_asm_stmt): Pass input_location to
588 cxx_readonly_error.
590 2018-08-27 David Malcolm <dmalcolm@redhat.com>
592 PR c++/87091
593 * decl.c (grokdeclarator): Update for conversion of show_caret_p
594 to a tri-state.
595 * error.c (cp_printer): Likewise.
596 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
597 maybe_add_include_fixit to suggest overriding the location, as it
598 is for a note.
599 * parser.c (cp_parser_string_literal): Update for conversion of
600 show_caret_p to a tri-state.
601 (cp_parser_elaborated_type_specifier): Likewise.
602 (set_and_check_decl_spec_loc): Likewise.
603 * pt.c (listify): Update call to maybe_add_include_fixit to not
604 override the location, as it is for an error.
605 * rtti.c (typeid_ok_p): Likewise.
607 2018-08-27 Martin Liska <mliska@suse.cz>
609 * call.c (build_call_a): Use new function
610 fndecl_built_in_p and remove check for FUNCTION_DECL if
611 possible.
612 (build_cxx_call): Likewise.
613 * constexpr.c (constexpr_fn_retval): Likewise.
614 (cxx_eval_builtin_function_call): Likewise.
615 (cxx_eval_call_expression): Likewise.
616 (potential_constant_expression_1): Likewise.
617 * cp-gimplify.c (cp_gimplify_expr): Likewise.
618 (cp_fold): Likewise.
619 * decl.c (decls_match): Likewise.
620 (validate_constexpr_redeclaration): Likewise.
621 (duplicate_decls): Likewise.
622 (make_rtl_for_nonlocal_decl): Likewise.
623 * name-lookup.c (consider_binding_level): Likewise.
624 (cp_emit_debug_info_for_using): Likewise.
625 * semantics.c (finish_call_expr): Likewise.
626 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
628 2018-08-26 Marek Polacek <polacek@redhat.com>
630 PR c++/87080
631 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
633 PR c++/87029, Implement -Wredundant-move.
634 * typeck.c (treat_lvalue_as_rvalue_p): New function.
635 (maybe_warn_pessimizing_move): Call convert_from_reference.
636 Warn about redundant moves.
638 2018-08-24 Marek Polacek <polacek@redhat.com>
640 PR c++/67012
641 PR c++/86942
642 * decl.c (grokdeclarator): Disallow functions with trailing return
643 type with decltype(auto) as its type. Also check the function if
644 it's inner declarator doesn't exist
646 2018-08-21 Marek Polacek <polacek@redhat.com>
648 PR c++/86499
649 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
650 lambda has a capture-default.
652 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
654 * decl.c (check_static_variable_definition): Change to return void.
656 2018-08-21 Marek Polacek <polacek@redhat.com>
658 PR c++/86981, Implement -Wpessimizing-move.
659 * typeck.c (decl_in_std_namespace_p): New.
660 (is_std_move_p): New.
661 (maybe_warn_pessimizing_move): New.
662 (can_do_nrvo_p): New, factored out of ...
663 (check_return_expr): ... here. Warn about potentially harmful
664 std::move in a return statement.
666 PR c++/65043
667 * call.c (standard_conversion): Set check_narrowing.
668 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
669 than comparing with INTEGER_TYPE.
671 * cp-tree.h: Fix typo.
673 2018-08-20 David Malcolm <dmalcolm@redhat.com>
675 PR other/84889
676 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
677 instance(s).
678 (print_error_for_call_failure): Likewise.
679 (build_op_call_1): Likewise.
680 (build_conditional_expr_1): Likewise.
681 (build_new_op_1): Likewise.
682 (build_op_delete_call): Likewise.
683 (convert_like_real): Likewise.
684 (build_over_call): Likewise.
685 (build_new_method_call_1): Likewise.
686 (joust): Likewise.
687 * class.c (check_tag): Likewise.
688 (finish_struct_anon_r): Likewise.
689 (one_inherited_ctor): Likewise.
690 (finalize_literal_type_property): Likewise.
691 (explain_non_literal_class): Likewise.
692 (find_flexarrays): Likewise.
693 (resolve_address_of_overloaded_function): Likewise.
694 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
695 (is_valid_constexpr_fn): Likewise.
696 (cx_check_missing_mem_inits): Likewise.
697 * cp-gimplify.c (cp_genericize_r): Likewise.
698 * cvt.c (maybe_warn_nodiscard): Likewise.
699 * decl.c (warn_extern_redeclared_static): Likewise.
700 (check_redeclaration_exception_specification): Likewise.
701 (check_no_redeclaration_friend_default_args): Likewise.
702 (duplicate_decls): Likewise.
703 (redeclaration_error_message): Likewise.
704 (warn_misplaced_attr_for_class_type): Likewise.
705 * decl2.c (finish_static_data_member_decl): Likewise.
706 (no_linkage_error): Likewise.
707 (cp_warn_deprecated_use): Likewise.
708 * error.c (qualified_name_lookup_error): Likewise.
709 * friend.c (make_friend_class): Likewise.
710 (do_friend): Likewise.
711 * init.c (perform_member_init): Likewise.
712 (build_new_1): Likewise.
713 (build_vec_delete_1): Likewise.
714 (build_delete): Likewise.
715 * lex.c (unqualified_name_lookup_error): Likewise.
716 * name-lookup.c (check_extern_c_conflict): Likewise.
717 (inform_shadowed): New function.
718 (check_local_shadow): Add auto_diagnostic_group instances,
719 replacing goto "inform_shadowed" label with call to subroutine.
720 (set_local_extern_decl_linkage): Add auto_diagnostic_group
721 instance(s).
722 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
723 (cp_parser_namespace_name): Likewise.
724 * pt.c (check_specialization_namespace): Likewise.
725 (check_template_variable): Likewise.
726 (warn_spec_missing_attributes): Likewise.
727 (check_explicit_specialization): Likewise.
728 (process_partial_specialization): Likewise.
729 (lookup_template_class_1): Likewise.
730 (finish_template_variable): Likewise.
731 (do_auto_deduction): Likewise.
732 * search.c (check_final_overrider): Likewise.
733 (look_for_overrides_r): Likewise.
734 * tree.c (maybe_warn_parm_abi): Likewise.
735 * typeck.c (cxx_sizeof_expr): Likewise.
736 (cp_build_function_call_vec): Likewise.
737 (cp_build_binary_op): Likewise.
738 (convert_for_assignment): Likewise.
739 (maybe_warn_about_returning_address_of_local): Likewise.
740 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
741 (check_narrowing): Likewise.
743 2018-08-17 David Malcolm <dmalcolm@redhat.com>
745 * typeck.c (string_conv_p): Extract location from EXP and use it
746 in preference to input_location when issuing warnings.
748 2018-08-15 David Malcolm <dmalcolm@redhat.com>
750 * call.c: Include "gcc-rich-location.h".
751 (convert_like_real): Add range label for "invalid conversion"
752 diagnostic.
753 (perform_implicit_conversion_flags): Add type label to the
754 "could not convert" error.
755 * error.c: Include "gcc-rich-location.h".
756 (range_label_for_type_mismatch::get_text): New function.
757 * typeck.c (convert_for_assignment): Add type label to
758 the "cannot convert" error if a location is available.
760 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
762 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
763 emit an error instead of a permerror.
765 2018-08-13 Marek Polacek <polacek@redhat.com>
767 PR c++/57891
768 * call.c (struct conversion): Add check_narrowing_const_only.
769 (build_converted_constant_expr): Set check_narrowing and
770 check_narrowing_const_only. Give error if expr is error node.
771 (convert_like_real): Pass it to check_narrowing.
772 * cp-tree.h (check_narrowing): Add a default parameter.
773 * decl.c (compute_array_index_type): Use input_location instead of
774 location_of.
775 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
776 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
777 expressions. Call maybe_constant_value instead of
778 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
779 narrowing for constants if CONST_ONLY.
781 2018-08-13 Martin Sebor <msebor@redhat.com>
783 PR tree-optimization/71625
784 * decl.c (check_initializer): Call braced_list_to_string.
785 (eval_check_narrowing): New function.
786 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
787 as initilizers for all narrow character types.
789 2018-08-13 Marek Polacek <polacek@redhat.com>
791 P0806R2 - Deprecate implicit capture of this via [=]
792 * lambda.c (add_default_capture): Formatting fixes. Warn about
793 deprecated implicit capture of this via [=].
795 PR c++/86915
796 * decl.c (create_array_type_for_decl): Handle null name.
798 2018-08-10 Jason Merrill <jason@redhat.com>
800 PR c++/86728 - C variadic generic lambda.
801 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
802 a pack if it's followed by a declarator-id.
804 2018-08-08 Jakub Jelinek <jakub@redhat.com>
806 P0595R1 - is_constant_evaluated
807 * cp-tree.h (enum cp_built_in_function): New.
808 (maybe_constant_init): Add pretend_const_required argument.
809 * typeck2.c (store_init_value): Pass true as new argument to
810 maybe_constant_init.
811 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
812 for BUILT_IN_UNREACHABLE.
813 (struct constexpr_ctx): Add pretend_const_required field.
814 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
815 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
816 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
817 (cxx_eval_outermost_constant_expr): Add pretend_const_required
818 argument, initialize pretend_const_required field in ctx. If the
819 result is TREE_CONSTANT and non_constant_p, retry with
820 pretend_const_required false if it was true.
821 (is_sub_constant_expr): Initialize pretend_const_required_field in
822 ctx.
823 (cxx_constant_value): Pass true as pretend_const_required to
824 cxx_eval_outermost_constant_expr.
825 (maybe_constant_value): Pass false as pretend_const_required to
826 cxx_eval_outermost_constant_expr.
827 (fold_non_dependent_expr): Likewise.
828 (maybe_constant_init_1): Add pretend_const_required argument, pass it
829 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
830 instead of false as strict to cxx_eval_outermost_constant_expr.
831 (maybe_constant_init): Add pretend_const_required argument, pass it
832 down to maybe_constant_init_1.
833 (cxx_constant_init): Pass true as pretend_const_required to
834 maybe_constant_init_1.
835 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
836 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
837 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
838 * decl.c: Include langhooks.h.
839 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
840 built-in.
841 * tree.c (builtin_valid_in_constant_expr_p): Return true for
842 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
843 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
845 PR c++/86836
846 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
847 before tsubst_init, not after it.
849 PR c++/86738
850 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
851 NULL pointer set *non_constant_p to true.
852 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
853 set *non_constant_p to true and return t.
855 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
857 PR c++/59480, DR 136
858 * decl.c (check_no_redeclaration_friend_default_args): New.
859 (duplicate_decls): Use the latter; also check that a friend
860 declaration specifying default arguments is a definition.
862 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
864 PR c++/79133
865 * name-lookup.c (check_local_shadow): Reject captures and parameters
866 with the same name.
868 2018-08-06 Marek Polacek <polacek@redhat.com>
870 PR c++/86767
871 * constexpr.c (cxx_eval_statement_list): Handle continue.
873 2018-08-03 David Malcolm <dmalcolm@redhat.com>
874 Jonathan Wakely <jwakely@redhat.com>
876 * decl.c: Include "gcc-rich-location.h".
877 (add_return_star_this_fixit): New function.
878 (finish_function): When warning about missing return statements in
879 functions returning non-void, add a "return *this;" fix-it hint for
880 assignment operators.
882 2018-08-03 Jason Merrill <jason@redhat.com>
884 PR c++/86706
885 * class.c (build_base_path): Use currently_open_class.
887 2018-08-02 David Malcolm <dmalcolm@redhat.com>
889 * error.c (cxx_print_error_function): Duplicate "file" before
890 passing it to pp_set_prefix.
891 (cp_print_error_function): Use pp_take_prefix when saving the
892 existing prefix.
894 2018-08-02 Richard Biener <rguenther@suse.de>
896 PR c++/86763
897 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
898 to the CLASSTYPE_AS_BASE.
900 2018-08-01 Martin Sebor <msebor@redhat.com>
902 PR tree-optimization/86650
903 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
904 TREE_BLOCK (t) from within percent_K_format to this callsite.
906 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
908 PR c++/86661
909 * class.c (note_name_declared_in_class): Use location_of in permerror
910 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
912 2018-07-31 Tom de Vries <tdevries@suse.de>
914 PR debug/86687
915 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
917 2018-07-31 Jakub Jelinek <jakub@redhat.com>
919 P1008R1 - prohibit aggregates with user-declared constructors
920 * class.c (check_bases_and_members): For C++2a set
921 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
922 type_has_user_provided_or_explicit_constructor.
924 2018-07-31 Martin Liska <mliska@suse.cz>
926 PR c++/86653
927 * parser.c (cp_parser_condition): Initialize non_constant_p
928 to false.
930 2018-07-28 David Malcolm <dmalcolm@redhat.com>
932 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
933 into alphabetical order, and add missing "%G" and "%K". Within
934 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
935 cases are in alphabetical order.
937 2018-07-25 Jakub Jelinek <jakub@redhat.com>
939 * cp-tree.h (enum cp_tree_index): Add
940 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
941 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
942 (abi_tag_identifier, aligned_identifier, begin_identifier,
943 end_identifier, get__identifier, gnu_identifier,
944 tuple_element_identifier, tuple_size_identifier, type_identifier,
945 value_identifier, fun_identifier, closure_identifier): Define.
946 * decl.c (initialize_predefined_identifiers): Initialize the above
947 identifiers.
948 (get_tuple_size): Use tuple_size_identifier instead of
949 get_identifier ("tuple_size") and value_identifier instead of
950 get_identifier ("value").
951 (get_tuple_element_type): Use tuple_element_identifier instead of
952 get_identifier ("tuple_element") and type_identifier instead of
953 get_identifier ("type").
954 (get_tuple_decomp_init): Use get__identifier instead of
955 get_identifier ("get").
956 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
957 get_identifier ("_FUN").
958 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
959 instead of get_identifier ("__closure").
960 (cp_parser_std_attribute): Use gnu_identifier instead of
961 get_identifier ("gnu").
962 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
963 instead of get_identifier ("aligned").
964 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
965 abi_tag_identifier instead of get_identifier ("abi_tag").
967 PR c++/85515
968 * cp-tree.h (enum cp_tree_index): Add
969 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
970 (for_range__identifier, for_begin__identifier, for_end__identifier,
971 for_range_identifier, for_begin_identifier, for_end_identifier):
972 Define.
973 * decl.c (initialize_predefined_identifiers): Initialize
974 for_{range,begin,end}{,_}_identifier.
975 * parser.c (build_range_temp): Use for_range__identifier instead of
976 get_identifier ("__for_range").
977 (cp_convert_range_for): Use for_begin__identifier and
978 for_end__identifier instead of get_identifier ("__for_begin") and
979 get_identifier ("__for_end").
980 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
981 local symbols to "__for_{range,begin,end}".
983 2018-07-23 Jakub Jelinek <jakub@redhat.com>
985 PR c++/86569
986 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
987 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
988 or warn_nonnull_compare.
990 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
992 Revert fix for c++/59480 (and testsuite followup)
994 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
996 PR c++/59480, DR 136
997 * decl.c (check_no_redeclaration_friend_default_args): New.
998 (duplicate_decls): Use the latter; also check that a friend
999 declaration specifying default arguments is a definition.
1001 2018-07-18 Jakub Jelinek <jakub@redhat.com>
1003 PR c++/86550
1004 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
1005 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
1007 2018-07-18 Marek Polacek <polacek@redhat.com>
1009 PR c++/86190 - bogus -Wsign-conversion warning
1010 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
1011 sentinel.
1013 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
1015 PR c++/59480, DR 136
1016 * decl.c (check_no_redeclaration_friend_default_args): New.
1017 (duplicate_decls): Use the latter; also check that a friend
1018 declaration specifying default arguments is a definition.
1020 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
1022 * class.c (note_name_declared_in_class): Prefer permerror + inform
1023 to a pair of permerrors; use DECL_SOURCE_LOCATION.
1025 2018-07-18 Richard Biener <rguenther@suse.de>
1027 PR debug/86523
1028 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
1029 start_static_storage_duration_function sets current_function_decl.
1031 2018-07-17 Jason Merrill <jason@redhat.com>
1033 PR c++/86480 - nested variadic lambda and constexpr if.
1034 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
1035 IF_STMT_EXTRA_ARGS.
1036 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
1037 cp_unevaluated_operand.
1038 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
1040 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
1042 * class.c (resolve_address_of_overloaded_function): Don't emit an
1043 inform if the matching permerror returns false.
1044 * pt.c (check_specialization_namespace): Likewise.
1046 2018-07-16 Jakub Jelinek <jakub@redhat.com>
1048 PR c++/3698
1049 PR c++/86208
1050 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
1051 in TREE_USED flag from stmt to h->to.
1053 2018-07-13 Nathan Sidwell <nathan@acm.org>
1055 PR c++/86374
1056 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
1057 contexts that are classes.
1058 * parser.c (cp_parser_template_id): Combine entering_scope decl &
1059 initializer.
1061 2018-07-12 Jakub Jelinek <jakub@redhat.com>
1063 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
1064 type here, instead add "omp declare target implicit" attribute. Add
1065 that attribute instead of "omp declare target" also when
1066 processing_template_decl.
1067 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
1068 and before calling cp_omp_mappable_type call complete_type.
1070 2018-07-10 Jakub Jelinek <jakub@redhat.com>
1072 PR sanitizer/86406
1073 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
1074 DEBUG_BEGIN_STMTs.
1076 PR c++/86443
1077 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
1078 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
1079 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
1080 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
1081 TREE_LIST for both the original class iterator and the "last" helper
1082 var.
1084 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
1086 * decl.c (grokdeclarator): Use rich_location::add_range in three
1087 more places; include gcc-rich-location.h.
1089 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
1091 * decl.c (build_enumerator): Change overflow type to overflow_type.
1092 * init.c (build_new_1): Same.
1094 2018-07-05 Nathan Sidwell <nathan@acm.org>
1096 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
1097 NO_IMPLICIT_EXTERN_C.
1098 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
1100 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
1102 PR c++/86398
1103 * method.c (is_trivially_xible): Return false
1104 if is_xible_helper returns a NULL_TREE.
1106 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
1108 * decl.c (min_location): New.
1109 (smallest_type_quals_location): Use the latter.
1110 (check_concept_fn): Use DECL_SOURCE_LOCATION.
1111 (grokdeclarator): Use accurate locations in a number of error
1112 messages involving ds_thread, ds_storage_class, ds_virtual,
1113 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
1115 2018-07-03 Marek Polacek <polacek@redhat.com>
1117 PR c++/86201
1118 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
1120 2018-07-03 Jason Merrill <jason@redhat.com>
1122 PR c++/86378 - functional cast in noexcept-specifier.
1123 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
1125 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
1127 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
1128 in error message about __thread and thread_local at the same time.
1130 2018-06-29 Marek Polacek <polacek@redhat.com>
1132 PR c++/86184
1133 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
1135 2018-06-28 David Malcolm <dmalcolm@redhat.com>
1137 * parser.c (cp_parser_error_1): After issuing a conflict marker
1138 error, consume tokens until the end of the source line.
1140 2018-06-28 Jason Merrill <jason@redhat.com>
1142 PR c++/86342 - -Wdeprecated-copy and system headers.
1143 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
1144 in system headers.
1146 2018-06-27 David Malcolm <dmalcolm@redhat.com>
1148 PR c++/86329
1149 * name-lookup.c (consider_binding_level): Filter out names that
1150 match anon_aggrname_p.
1152 2018-06-27 Jason Merrill <jason@redhat.com>
1154 * name-lookup.c (do_pushtag): If we skip a class level, also skip
1155 its template level.
1157 2018-06-26 Jason Merrill <jason@redhat.com>
1159 PR c++/86320 - memory-hog with std::array of pair
1160 * typeck2.c (process_init_constructor_array): Only compute a
1161 constant initializer once.
1163 PR c++/80290 - memory-hog with std::pair.
1164 * pt.c (fn_type_unification): Add convs parameter.
1165 (check_non_deducible_conversion): Remember conversion.
1166 (check_non_deducible_conversions): New. Do checks here.
1167 (type_unification_real): Not here. Remove flags parm.
1168 * call.c (add_function_candidate): Make convs a parameter.
1169 Don't recalculate the conversion if it's already set.
1170 (add_template_candidate_real): Allocate convs here.
1171 (good_conversion, conv_flags): New.
1173 2018-06-26 Jakub Jelinek <jakub@redhat.com>
1175 PR c++/86291
1176 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
1177 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
1179 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
1181 * decl.c (bad_specifiers): Add const location_t* parameter and
1182 use locations in error messages about 'inline' and 'virtual'.
1183 (mark_inline_variable): Add location_t parameter and use it in
1184 error_at and pedwarn messages.
1185 (grokdeclarator): Use declspecs->locations[ds_constexpr],
1186 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
1187 declspecs->locations[ds_inline] in many error messages; adjust
1188 bad_specifiers and mark_inline_variable calls.
1189 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
1191 2018-06-22 Jason Merrill <jason@redhat.com>
1193 PR c++/86219 - ICE with erroneous initializer in template.
1194 * constexpr.c (fold_non_dependent_expr): Add complain parm.
1195 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
1196 Pass it.
1197 * call.c (build_cxx_call): Don't mess with builtins in a template.
1198 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
1199 produce a constant value, go back to the uninstantiated form.
1201 Avoid taking the address of something just because it's in parens.
1202 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
1203 (cxx_fold_indirect_ref): Use it.
1204 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
1205 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
1206 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
1207 static_cast to reference type.
1208 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
1210 2018-06-21 Jason Merrill <jason@redhat.com>
1212 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
1214 * name-lookup.c (do_push_to_top_level): Don't allocate
1215 current_lang_base.
1216 (do_pop_from_top_level): Release current_lang_base.
1218 Let -fmem-report see callers of cxx_make_type.
1219 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
1220 (make_class_type): Likewise.
1221 (cxx_make_type_hook): New.
1222 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1224 2018-06-20 Nathan Sidwell <nathan@acm.org>
1226 PR c++/85634
1227 * friend.c (add_friend): Keep lookup sets of tempate sets.
1229 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
1231 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1232 tidy handling of a null location_t argument; use proper location
1233 information in a few additional error messages.
1234 (grokdeclarator): Update calls.
1236 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
1237 Thomas Schwinge <thomas@codesourcery.com>
1238 Cesar Philippidis <cesar@codesourcery.com>
1240 * parser.c (cp_parser_omp_clause_name): Add support for finalize
1241 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1242 to their non-present_or_* counterparts. Make 'self' an alias to
1243 PRAGMA_OACC_CLAUSE_HOST.
1244 (cp_parser_oacc_data_clause): Update GOMP mappings for
1245 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1246 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1247 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1248 Remove support for present_or_* clauses.
1249 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1250 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1251 (OACC_DECLARE_CLAUSE_MASK): Likewise.
1252 (OACC_DATA_CLAUSE_MASK): Likewise.
1253 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1254 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1255 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1256 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1257 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1258 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1260 2018-06-20 Marek Polacek <polacek@redhat.com>
1262 PR c++/86240
1263 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1264 (fold_simple_1): Likewise.
1265 * error.c (dump_expr): Likewise.
1267 2018-06-20 Nathan Sidwell <nathan@acm.org>
1269 PR c++/85634
1270 * cp-tree.h (lookup_keep): Drop KEEP parm.
1271 (lookup_list_keep): Delete.
1272 (maybe_get_fns): Declare.
1273 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1274 (cp_parser_template_id): Not here ...
1275 * decl.c (cp_finish_decl): ... nor here ...
1276 * init.c (build_raw_new_expr): ... nor here ...
1277 * pt.c (process_template_parm): ... nor here ...
1278 * semantics.c (perform_koenig_lookup): Call lookup_keep.
1279 (finish_call_expr): Not here.
1280 * tree.c (ovl_cache): Delete.
1281 (ovl_make, ovl_copy): No cache.
1282 (lookup_keep): Always keep.
1283 (lookup_list_keep): Delete.
1284 (maybe_get_fns): New, broken out of ...
1285 (get_fns): ... here. Call it.
1286 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1287 (build_min_nt_call_vec): Likewise.
1289 2018-06-19 Jason Merrill <jason@redhat.com>
1291 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1292 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1294 PR c++/86182 - ICE with anonymous union passed to template.
1295 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1296 used to declare a named variable.
1298 2018-06-18 Jason Merrill <jason@redhat.com>
1300 * tree.c (cp_expr_location): New.
1301 * cp-tree.h (cp_expr_loc_or_loc): New.
1302 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1303 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1304 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1306 * parser.c (cp_parser_lambda_expression): Use a range for
1307 LAMBDA_EXPR_LOCATION.
1309 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1310 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1311 function type.
1313 PR c++/81060 - ICE with unexpanded parameter pack.
1314 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1315 * decl.c (grokdeclarator): Call it for qualifying_scope.
1317 PR c++/86171 - ICE with recursive alias instantiation.
1318 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1320 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1322 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1323 in errors about redefined default arguments; tidy.
1325 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1327 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1328 * cp-gimplify.c (cp_fold): Likewise.
1330 2018-06-15 Jason Merrill <jason@redhat.com>
1332 PR c++/86147 - wrong capture for template argument.
1333 * expr.c (mark_use): Look through NOP_EXPR.
1335 * name-lookup.c (do_pushtag): Don't look through complete types, but
1336 don't add to them either. Get context from current_binding_level.
1337 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1339 * decl.c (start_enum): Do compare dependent underlying type.
1341 PR c++/82882 - ICE with lambda in template default argument.
1342 * lambda.c (record_null_lambda_scope): New.
1343 * pt.c (tsubst_lambda_expr): Use it.
1344 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1345 function that isn't open.
1347 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1349 2018-06-14 Marek Polacek <polacek@redhat.com>
1351 PR c++/86063
1352 * decl2.c (cp_check_const_attributes): Skip trees that are not
1353 TREE_LISTs.
1355 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1357 P0624R2 - Default constructible and assignable stateless lambdas
1358 * method.c (synthesized_method_walk): For C++2a don't mark
1359 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1360 no lambda-captures.
1362 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1364 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1365 OPT_Wshadow warning_at.
1366 (grokfndecl): Consistently use the location_t argument in
1367 literal operator diagnostic messages.
1368 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1369 in error_at call.
1370 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1371 in permerror call.
1373 2018-06-13 Jason Merrill <jason@redhat.com>
1375 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1376 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1377 constructors.
1379 PR c++/86094 - wrong code with defaulted move ctor.
1380 * class.c (classtype_has_non_deleted_move_ctor): New.
1381 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1382 Handle v12 breakage.
1384 2018-06-12 Jason Merrill <jason@redhat.com>
1386 PR c++/86098 - ICE with template placeholder for TTP.
1387 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1388 CLASS_PLACEHOLDER_TEMPLATE.
1390 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1392 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1393 parameter and adjust error_at calls.
1394 * decl.c (grok_op_properties): Adjust calls.
1395 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1397 2018-06-12 Marek Polacek <polacek@redhat.com>
1399 Core issue 1331 - const mismatch with defaulted copy constructor
1400 * class.c (check_bases_and_members): When checking a defaulted
1401 function, mark it as deleted rather than giving an error.
1403 2018-06-11 Jason Merrill <jason@redhat.com>
1405 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1406 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1407 constructors.
1409 PR c++/85963 - -Wunused-but-set with ?: in template.
1410 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1412 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1414 * decl.c (grok_op_properties): Consistently use the location
1415 of the decl; remove special casing of POSTINCREMENT_EXPR and
1416 POSTDECREMENT_EXPR wrt default arguments.
1418 2018-06-05 Jason Merrill <jason@redhat.com>
1420 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1421 of pointers to members of the same union.
1423 2018-06-11 Jason Merrill <jason@redhat.com>
1425 PR c++/86094 - wrong code with defaulted move ctor.
1426 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1428 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1430 * decl.c (grokfndecl): Use the location_t argument in two more places.
1432 2018-06-06 Marek Polacek <polacek@redhat.com>
1434 PR c++/85977
1435 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1436 deduction from the list elements.
1437 (type_unification_real): Check convertibility of list elements.
1439 2018-06-06 Jason Merrill <jason@redhat.com>
1441 PR c++/86060 - ICE on range for with -std=c++98.
1442 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1443 pedwarn.
1445 PR c++/85710 - ICE with -Wmemset-elt-size.
1446 * semantics.c (finish_call_expr): Call warn_for_memset here.
1447 * parser.c (cp_parser_postfix_expression): Not here.
1448 (literal_integer_zerop): No longer static.
1449 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1451 2018-06-05 Marek Polacek <polacek@redhat.com>
1453 PR c++/85976
1454 * tree.c (cp_tree_equal): Handle USING_DECL.
1456 2018-06-05 Jason Merrill <jason@redhat.com>
1458 PR c++/85731 - wrong error with qualified-id in template.
1459 * semantics.c (finish_qualified_id_expr): build_qualified_name
1460 for unbound names in the current class.
1462 2018-06-04 Jason Merrill <jason@redhat.com>
1464 PR c++/61806 - missed SFINAE with partial specialization.
1465 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1466 parameter to constructor.
1467 * pt.c (instantiate_class_template_1): Enable access checking
1468 before call to most_specialized_partial_spec.
1470 PR c++/85765 - SFINAE and non-type default template arg.
1471 * pt.c (type_unification_real): Do full semantic processing if
1472 substituting a partial args list replaces all template parms.
1474 2018-06-03 Jason Merrill <jason@redhat.com>
1476 PR c++/85739 - ICE with pointer to member template parm.
1477 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1479 2018-06-02 Jason Merrill <jason@redhat.com>
1481 PR c++/85761 - ICE with ill-formed use of const outer variable.
1482 * expr.c (mark_use): Handle location wrappers.
1484 2018-06-01 Jason Merrill <jason@redhat.com>
1486 PR c++/85764 - bogus 'this' not captured error.
1487 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1488 (nonlambda_method_basetype): Handle NSDMI.
1490 CWG 1581: When are constexpr member functions defined?
1491 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1492 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1494 PR c++/58281 - explicit instantiation of constexpr
1495 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1497 * pt.c (instantiate_decl): Any defaulted function is defined.
1499 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1501 PR c++/77777
1502 * call.c (resolve_args): Use location of expression, not current input
1503 location.
1505 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1507 Do not warn about zero-as-null when NULL is used.
1508 * call.c (conversion_null_warnings): Check for pointer
1509 types converted from zero constants.
1510 (convert_like_real): Add a warning sentinel at the end.
1511 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1512 check null_node_p.
1514 2018-05-30 Jason Merrill <jason@redhat.com>
1516 PR c++/85807 - ICE with call in template NSDMI.
1517 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1518 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1520 PR c++/85873 - constant initializer_list array not in .rodata.
1521 * tree.c (build_target_expr): Set TREE_READONLY.
1522 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1524 * parser.c (cp_parser_check_condition_declarator): Handle
1525 cp_error_declarator.
1527 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1529 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1530 of using it in dead store.
1532 2018-05-29 Jason Merrill <jason@redhat.com>
1534 PR c++/67445 - returning temporary initializer_list.
1535 PR c++/67711 - assigning from temporary initializer_list.
1536 PR c++/48562 - new initializer_list.
1537 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1538 about returning local initializer_list.
1539 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1540 * call.c (build_over_call): Warn about assignment from temporary
1541 init_list.
1542 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1543 (find_list_begin, maybe_warn_list_ctor): New.
1544 (perform_member_init): Use maybe_warn_list_ctor.
1546 2018-05-29 Marek Polacek <polacek@redhat.com>
1548 PR c++/85883
1549 * init.c (build_new): Handle deducing a class with new
1550 with more than one argument.
1552 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1554 PR c++/85952
1555 * init.c (build_aggr_init): For structured binding initialized from
1556 array call mark_rvalue_use on the initializer.
1558 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1560 * decl2.c (start_static_storage_duration_function): Use
1561 splay_tree_delete_pointers.
1563 2018-05-25 Jason Merrill <jason@redhat.com>
1565 PR c++/85815 - reference to member of enclosing template.
1566 * search.c (lookup_base): Use currently_open_class.
1567 (lookup_member): Use it regardless of -fconcepts.
1568 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1570 CWG 616, 1213 - value category of subobject references.
1571 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1573 2018-05-24 Jason Merrill <jason@redhat.com>
1575 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1576 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1577 generic lambda.
1579 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1581 Pedwarn on a non-standard position of a C++ attribute.
1582 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1583 after the namespace name.
1585 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1587 * cp-tree.h (INDIRECT_TYPE_P): New.
1588 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1589 joust): Use it instead of POINTER_TYPE_P.
1590 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1591 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1592 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1593 * cxx_eval_increment_expression, potential_constant_expression_1):
1594 Likewise.
1595 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1596 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1597 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1598 cp_ubsan_maybe_instrument_downcast): Likewise.
1599 * cvt.c (cp_convert_to_pointer, ocp_convert,
1600 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1601 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1602 pp_cxx_offsetof_expression_1): Likewise.
1603 * decl.c (grokparms, static_fn_type): Likewise.
1604 * decl2.c (grokbitfield): Likewise.
1605 * error.c (dump_expr): Likewise.
1606 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1607 * init.c (warn_placement_new_too_small): Likewise.
1608 * lambda.c (build_capture_proxy, add_capture): Likewise.
1609 * parser.c (cp_parser_omp_for_loop): Likewise.
1610 * pt.c (convert_nontype_argument, fn_type_unification,
1611 uses_deducible_template_parms, check_cv_quals_for_unify,
1612 dependent_type_p_r): Likewise.
1613 * search.c (check_final_overrider): Likewise.
1614 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1615 finish_omp_for): Likewise.
1616 * tree.c (cp_build_qualified_type_real): Likewise.
1617 * typeck.c (build_class_member_access_expr,
1618 finish_class_member_access_expr, build_x_indirect_ref,
1619 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1620 Likewise.
1622 2018-05-24 Jason Merrill <jason@redhat.com>
1624 PR c++/85864 - literal template and default template arg.
1625 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1627 2018-05-24 Marek Polacek <polacek@redhat.com>
1629 PR c++/85847
1630 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1631 variable for its result. Fix a condition.
1632 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1634 2018-05-23 Jason Merrill <jason@redhat.com>
1636 Fix cast to rvalue reference from prvalue.
1637 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1638 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1639 non-class type. Handle xvalue argument.
1640 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1641 rvalue reference.
1642 * semantics.c (finish_compound_literal): Do direct-initialization,
1643 not cast, to initialize a reference.
1645 CWG 616, 1213 - value category of subobject references.
1646 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1647 an xvalue.
1648 * typeck2.c (build_m_component_ref): Likewise.
1649 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1650 distinction between temporary and xvalue.
1652 2018-05-23 Marek Polacek <polacek@redhat.com>
1654 Implement P0614R1, Range-based for statements with initializer.
1655 * parser.c (cp_parser_range_based_for_with_init_p): New.
1656 (cp_parser_init_statement): Use it. Parse the optional init-statement
1657 for a range-based for loop.
1658 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1660 2018-05-22 Jason Merrill <jason@redhat.com>
1662 PR c++/81420 - not extending temporary lifetime.
1663 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1664 * class.c (build_base_path): Avoid redundant move of an rvalue.
1666 PR c++/85866 - error with .* in default template arg.
1667 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1669 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1671 * parser.c (cp_parser_parameter_declaration_list): Remove
1672 bool* parameter.
1673 (cp_parser_parameter_declaration_clause): Adjust.
1674 (cp_parser_cache_defarg): Likewise.
1676 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1678 PR c++/84588
1679 * parser.c (cp_parser_maybe_commit_to_declaration,
1680 cp_parser_check_condition_declarator): New.
1681 (cp_parser_simple_declaration): Use the first above.
1682 (cp_parser_condition): Use both the above; enforce
1683 [stmt.stmt]/2 about the declarator not specifying
1684 a function or an array; improve error-recovery.
1686 2018-05-20 Jason Merrill <jason@redhat.com>
1688 PR libstdc++/85843 - warning in logic_error copy constructor.
1689 * class.c (type_has_user_nondefault_constructor): Check for a
1690 user-provided ctor, not user-declared.
1692 2018-05-19 Jason Merrill <jason@redhat.com>
1694 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1695 on __integer_pack as subexpression of pattern.
1697 2018-05-18 Jason Merrill <jason@redhat.com>
1699 PR c++/58407 - deprecated implicit copy ops.
1700 * call.c (build_over_call): Warn about deprecated trivial fns.
1701 * class.c (classtype_has_user_copy_or_dtor): New.
1702 (type_build_ctor_call): Check TREE_DEPRECATED.
1703 (type_build_dtor_call): Likewise.
1704 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1705 Add checks. Return bool. Handle -Wdeprecated-copy.
1706 (mark_used): Use it.
1707 * decl.c (grokdeclarator): Remove redundant checks.
1708 * typeck2.c (build_functional_cast): Likewise.
1709 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1710 * init.c (build_aggr_init): Only set TREE_USED if there are
1711 side-effects.
1713 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1715 PR c++/85782
1716 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1717 OACC_LOOPs.
1719 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1721 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1722 (potential_constant_expression_1): Likewise.
1724 2018-05-16 Marek Polacek <polacek@redhat.com>
1726 PR c++/85363
1727 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1728 * tree.c (bot_manip): Call set_flags_from_callee for
1729 AGGR_INIT_EXPRs too.
1731 2018-05-15 Jason Merrill <jason@redhat.com>
1733 * cp-tree.h (cp_expr): Remove copy constructor.
1734 * mangle.c (struct releasing_vec): Declare copy constructor.
1736 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1738 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1739 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1740 is a throw-expression.
1742 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1744 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1745 (FOR_EACH_CLONE): Update.
1746 * decl.c (grokdeclarator): Use it.
1747 * decl2.c (vague_linkage_p): Likewise.
1748 * mangle.c (mangle_decl): Likewise.
1749 * method.c (lazily_declare_fn): Likewise.
1750 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1751 * repo.c (repo_emit_p): Likewise.
1752 * tree.c (decl_linkage): Likewise.
1754 2018-05-14 Jason Merrill <jason@redhat.com>
1756 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1757 * tree.c (build_cp_fntype_variant): New.
1758 (build_ref_qualified_type, build_exception_variant)
1759 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1760 (cxx_type_hash_eq, cp_check_qualified_type): Check
1761 TYPE_HAS_LATE_RETURN_TYPE.
1762 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1763 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1764 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1765 (adjust_clone_args): Likewise.
1766 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1767 build_cp_fntype_variant.
1768 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1769 (check_function_type): Use cxx_copy_lang_qualifiers.
1770 (static_fn_type): Use cxx_copy_lang_qualifiers.
1771 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1772 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1773 (change_return_type): Use cxx_copy_lang_qualifiers.
1774 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1775 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1776 return type on the declarator like a normal trailing return type.
1777 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1778 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1779 * typeck.c (merge_types): Use build_cp_fntype_variant.
1781 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1783 * cp-tree.h (TYPE_REF_P): New.
1784 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1785 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1786 direct_reference_binding, reference_binding, implicit_conversion,
1787 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1788 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1789 build_over_call, perform_implicit_conversion_flags,
1790 extend_ref_init_temps, type_has_extended_temps): Use it.
1791 * class.c (one_inheriting_sig, check_field_decls,
1792 check_bases_and_members, find_flexarrays, finish_struct,
1793 fixed_type_or_null): Likewise.
1794 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1795 non_const_var_error, cxx_eval_constant_expression,
1796 potential_constant_expression_1): Likewise.
1797 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1798 cp_genericize_r, cxx_omp_privatize_by_reference,
1799 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1800 cp_fold_maybe_rvalue): Likewise.
1801 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1802 * cvt.c (build_up_reference, convert_to_reference,
1803 convert_from_reference, convert_to_void, noexcept_conv_p,
1804 fnptr_conv_p): Likewise.
1805 * decl.c (poplevel, check_for_uninitialized_const_var,
1806 check_initializer, initialize_local_var, cp_finish_decl,
1807 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1808 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1809 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1810 decl_maybe_constant_var_p): Likewise.
1811 * error.c (dump_type_prefix, dump_expr): Likewise.
1812 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1813 is_admissible_throw_operand_or_catch_parameter): Likewise.
1814 * expr.c (mark_use): Likewise.
1815 * init.c (build_zero_init_1, build_value_init_noctor,
1816 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1817 build_new, build_delete): Likewise.
1818 * lambda.c (build_lambda_object): Likewise.
1819 * mangle.c (write_expression, write_template_arg): Likewise.
1820 * method.c (forward_parm, do_build_copy_constructor,
1821 do_build_copy_assign, build_stub_object, constructible_expr,
1822 walk_field_subobs): Likewise.
1823 * parser.c (cp_parser_omp_for_loop_init,
1824 cp_parser_omp_declare_reduction_exprs,
1825 cp_parser_omp_declare_reduction): Likewise.
1826 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1827 convert_template_argument, tsubst_pack_expansion,
1828 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1829 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1830 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1831 value_dependent_expression_p, build_deduction_guide): Likewise.
1832 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1833 finish_compound_literal, omp_privatize_field,
1834 handle_omp_array_sections_1, handle_omp_array_sections,
1835 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1836 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1837 finish_omp_clauses, finish_decltype_type, capture_decltype,
1838 finish_builtin_launder): Likewise.
1839 * tree.c (lvalue_kind, cp_build_reference_type, move,
1840 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1841 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1842 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1843 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1844 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1845 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1846 convert_for_initialization,
1847 maybe_warn_about_returning_address_of_local, check_return_expr,
1848 cp_type_quals, casts_away_constness, non_reference): Likewise.
1849 * typeck2.c (cxx_readonly_error, store_init_value,
1850 process_init_constructor_record, build_x_arrow, build_functional_cast,
1851 add_exception_specifier): Likewise.
1853 2018-05-14 Jason Merrill <jason@redhat.com>
1855 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1856 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1858 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1860 PR c/85696
1861 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1862 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1863 cxx_omp_predetermined_sharing_1. Rename old function to ...
1864 (cxx_omp_predetermined_sharing_1): ... this.
1865 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1866 instead of cxx_omp_predetermined_sharing.
1868 2018-05-10 Jason Merrill <jason@redhat.com>
1870 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1871 (check_static_variable_definition): Allow auto.
1872 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1874 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1875 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1877 Core issue 2310 - conversion to base of incomplete type.
1878 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1880 CWG 2267 - list-initialization of reference temporary
1881 * call.c (reference_binding): List-initializing a reference
1882 temporary is copy-list-initialization.
1884 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1886 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1887 instantiation in template context.
1889 * class.c (vbase_has_user_provided_move_assign): Use
1890 user_provided_p.
1892 * lambda.c (lambda_expr_this_capture): Improve logic.
1894 * decl.c (make_typename_type): s/parameters/arguments/.
1895 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1896 * pt.c (make_pack_expansion): Correct error message.
1898 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1900 PR c++/85662
1901 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1902 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1903 fold_convert.
1905 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1907 PR c++/85400
1908 * decl2.c (adjust_var_decl_tls_model): New static function.
1909 (comdat_linkage): Call it on a variable.
1910 (maybe_make_one_only): Likewise.
1912 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1914 PR c++/85713
1915 Revert:
1916 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1918 PR c++/84588
1919 * parser.c (cp_parser_parameter_declaration_list): When the
1920 entire parameter-declaration-list is erroneous maybe call
1921 abort_fully_implicit_template.
1923 2018-05-08 Jason Merrill <jason@redhat.com>
1925 PR c++/85706 - class deduction under decltype
1926 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1927 *walk_subtrees whether or not we walked into the operand.
1928 (type_uses_auto): Only look at deduced contexts.
1930 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1932 PR c++/84588
1933 * parser.c (cp_parser_parameter_declaration_list): When the
1934 entire parameter-declaration-list is erroneous maybe call
1935 abort_fully_implicit_template.
1937 2018-05-08 Marek Polacek <polacek@redhat.com>
1939 PR c++/85695
1940 * semantics.c (finish_if_stmt_cond): See through typedefs.
1942 2018-05-07 Jason Merrill <jason@redhat.com>
1944 PR c++/85646 - lambda visibility.
1945 * decl2.c (determine_visibility): Don't mess with template arguments
1946 from the containing scope.
1947 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1948 thunk.
1950 2018-05-07 Nathan Sidwell <nathan@acm.org>
1952 Remove fno-for-scope
1953 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1954 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1955 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1956 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1957 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1958 Don't declare.
1959 * name-lookup.h (struct cp_binding_level): Remove
1960 dead_vars_from_for field.
1961 * cp-lang.c (cp_init_ts): Delete.
1962 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1963 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1964 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1965 (init_shadowed_var_for_decl): Delete.
1966 * decl.c (poplevel): Remove shadowed for var handling.
1967 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1968 * name-lookup.c (find_local_binding): Remove shadowed for var
1969 handling.
1970 (check_local_shadow): Likewise.
1971 (check_for_out_of_scope_variable): Delete.
1972 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1973 handling.
1974 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1975 * semantics.c (begin_for_scope): Always have a scope.
1976 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1977 (begin_range_for_stmt, finish_id_expression): Likewise.
1979 2018-05-07 Jason Merrill <jason@redhat.com>
1981 PR c++/85618 - ICE with initialized VLA.
1982 * tree.c (vla_type_p): New.
1983 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1984 rather than array_of_runtime_bound_p.
1986 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1988 * cvt.c (ocp_convert): Early handle the special case of a
1989 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1991 2018-05-03 Jason Merrill <jason@redhat.com>
1993 PR c++/85600 - virtual delete failure.
1994 * init.c (build_delete): Always save_expr when deleting.
1996 2018-05-03 Nathan Sidwell <nathan@acm.org>
1998 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1999 * name-lookup.c (do_pushdecl): Likewise.
2001 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
2002 Jason Merrill <jason@redhat.com>
2004 PR c++/68374
2005 * name-lookup.c (check_local_shadow): Don't handle static old
2006 declarations in the block handling locals shadowing locals.
2008 2018-05-01 Jason Merrill <jason@redhat.com>
2010 PR c++/85587 - error with scoped enum in template.
2011 * semantics.c (finish_qualified_id_expr): Don't return an
2012 unqualified IDENTIFIER_NODE.
2014 2018-04-30 Jason Merrill <jason@redhat.com>
2016 PR c++/85580 - extern "C" and local variables
2017 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
2019 PR c++/84701 - unsigned typeof.
2020 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
2021 of long/short/signed/unsigned.
2023 PR c++/85305 - pack in lambda init-capture.
2024 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
2025 check_for_bare_parameter_packs in a subexpression.
2026 (cp_parser_lambda_introducer): Use it.
2028 PR c++/61982 - dead stores to destroyed objects.
2029 * call.c (build_trivial_dtor_call): New, assigns a clobber.
2030 (build_over_call, build_special_member_call): Use it.
2031 * cp-tree.h: Declare it.
2032 * init.c (build_delete): Remove trivial path.
2034 * init.c (build_dtor_call): Use build_special_member_call.
2035 (build_delete): Remove redundant uses of save_addr.
2037 * decl.c (build_clobber_this): Use build_clobber.
2039 2018-04-27 Jakub Jelinek <jakub@redhat.com>
2041 PR c++/85553
2042 * init.c (build_zero_init_1): For zero initialization of
2043 NULLPTR_TYPE_P type use build_int_cst directly.
2045 2018-04-27 David Malcolm <dmalcolm@redhat.com>
2047 PR c++/85515
2048 * name-lookup.c (consider_binding_level): Skip compiler-generated
2049 variables.
2050 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
2051 nested if statements into a series of rejection tests. Reject
2052 lambda-ignored entities as suggestions.
2054 2018-04-27 Jason Merrill <jason@redhat.com>
2056 * cvt.c (cp_fold_convert): Use convert_ptrmem.
2057 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
2059 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
2061 PR c++/84691
2062 * decl.c (grokdeclarator): Clear friendp upon definition in local
2063 class definition error.
2065 2018-04-27 Jason Merrill <jason@redhat.com>
2067 PR c++/85545 - ICE with noexcept PMF conversion.
2068 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
2069 build_ptrmemfunc.
2070 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
2071 adjustment.
2072 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
2074 2018-04-27 Nathan Sidwell <nathan@acm.org>
2076 * typeck.c (convert_ptrmem): Move local var decls to initialization.
2078 * cp-tree.h (TEMPLATE_INFO): Fix comments.
2079 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
2080 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
2081 (dump, print_other_binding_stacks): Remove declarations.
2082 * name-lookup.c (print_other_binding_stack): Make static.
2083 * pt.c (build_template_decl): Make static.
2085 2018-04-26 Jason Merrill <jason@redhat.com>
2087 PR c++/85545 - ICE with noexcept PMF conversion.
2088 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
2090 2018-04-25 Nathan Sidwell <nathan@acm.org>
2092 PR c++/85437
2093 PR c++/49171
2094 * cp-tree.h (REINTERPRET_CAST_P): New.
2095 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
2096 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
2097 for non-trivial PTRMEM_CST cases.
2098 * typeck.c (build_nop_reinterpret): New.
2099 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
2100 NOP_EXPRs returned by cp_convert.
2102 2018-04-23 Jason Merrill <jason@redhat.com>
2104 PR c++/69560 - wrong alignof(double) on x86.
2105 CWG 1879 - Inadequate definition of alignment requirement.
2106 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
2107 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
2108 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
2109 (cxx_alignof_expr): Pass it.
2110 * parser.c (cp_parser_unary_expression): Pass it.
2111 * pt.c (tsubst_copy): Copy it.
2112 (tsubst_copy_and_build): Pass it.
2113 * decl.c (fold_sizeof_expr): Pass it.
2115 2018-04-23 Jakub Jelinek <jakub@redhat.com>
2116 Jason Merrill <jason@redhat.com>
2118 PR c++/85470 - wrong error with static data member.
2119 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
2120 * typeck2.c (store_init_value): Likewise.
2122 2018-04-20 Jakub Jelinek <jakub@redhat.com>
2124 PR c++/85462
2125 * cp-tree.h (tinst_level): Remove in_system_header_p member,
2126 change refcount member from unsigned char to unsigned short,
2127 add refcount_infinity static data member, adjust comments.
2128 * pt.c (tinst_level::refcount_infinity): Define.
2129 (inc_refcount_use): Remove assert, don't increment if refcount
2130 is already refcount_infinity, adjust comment.
2131 (dec_refcount_use): Remove assert, don't decrement if refcount
2132 is refcount_infinity, adjust comment.
2133 (push_tinst_level_loc): Formatting fix.
2135 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
2137 PR c++/84611
2138 * pt.c (lookup_template_class_1): Check pushtag return value for
2139 error_mark_node.
2141 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
2143 PR c++/80290
2144 * cp-tree.h (tinst_level::free): Fix whitespace.
2146 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
2148 PR c++/84630
2149 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
2150 for error_mark_node.
2152 2018-04-18 Jakub Jelinek <jakub@redhat.com>
2154 PR c++/84463
2155 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
2156 tricks from here to ...
2157 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
2158 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2160 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
2162 PR c++/80290
2163 * cp-tree.h (struct tinst_level): Split decl into tldcl and
2164 targs. Add private split_list_p, tree_list_p, and not_list_p
2165 inline const predicates; to_list private member function
2166 declaration; free public member function declaration; list_p,
2167 get_node and maybe_get_node accessors, and refcount data
2168 member. Narrow errors to unsigned short.
2169 * error.c (print_instantiation_full_context): Use new
2170 accessors.
2171 (print_instantiation_partial_context_line): Likewise. Drop
2172 const from tinst_level-typed parameter.
2173 * mangle.c (mangle_decl_string): Likewise.
2174 * pt.c (freelist): New template class.
2175 (tree_list_freelist_head): New var.
2176 (tree_list_freelist): New fn, along with specializations.
2177 (tinst_level_freelist_head): New var.
2178 (pending_template_freelist_head): Likewise.
2179 (tinst_level_freelist, pending_template_freelist): New fns.
2180 (tinst_level::to_list, tinst_level::free): Define.
2181 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
2182 (set_refcount_ptr): New template fn.
2183 (add_pending_template): Adjust for refcounting, freelists and
2184 new accessors.
2185 (neglectable_inst_p): Take a NULL d as a non-DECL.
2186 (limit_bad_template_recursion): Use new accessors.
2187 (push_tinst_level): New overload to create the list.
2188 (push_tinst_level_loc): Make it static, split decl into two
2189 args, adjust tests and initialization to cope with split
2190 lists, use freelist, adjust for refcounting.
2191 (push_tinst_level_loc): New wrapper with the old interface.
2192 (pop_tinst_level): Adjust for refcounting.
2193 (record_last_problematic_instantiation): Likewise.
2194 (reopen_tinst_level): Likewise. Use new accessors.
2195 (instantiate_alias_template): Adjust for split list.
2196 (fn_type_unification): Likewise.
2197 (get_partial_spec_bindings): Likewise.
2198 (instantiate_pending_templates): Use new accessors. Adjust
2199 for refcount. Release pending_template to freelist.
2200 (instantiating_current_function_p): Use new accessors.
2202 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
2204 PR c++/85039
2205 * parser.c (cp_parser_builtin_offset): Reject type definitions.
2206 * mangle.c (nested_anon_class_index): Avoid crash returning -1
2207 if we've seen errors.
2209 2018-04-12 David Malcolm <dmalcolm@redhat.com>
2211 PR c++/85385
2212 * name-lookup.c (macro_use_before_def::maybe_make): New function,
2213 checking that the use is indeed before the definition.
2214 (macro_use_before_def::macro_use_before_def): Make private.
2215 (macro_use_before_def::~macro_use_before_def): Make private. Move
2216 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
2217 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
2218 than using new directly.
2220 2018-04-12 Jason Merrill <jason@redhat.com>
2222 PR c++/85356 - ICE with pointer to member function.
2223 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2224 flag_noexcept_type. Build the new spec within the function context.
2225 * except.c (build_noexcept_spec): Do get constant value in templates
2226 if flag_noexcept_type.
2227 * decl.c (check_redeclaration_exception_specification): Don't
2228 instantiate noexcept on a dependent declaration.
2230 2018-04-12 Marek Polacek <polacek@redhat.com>
2232 PR c++/85258
2233 * constexpr.c (reduced_constant_expression_p): Return false for null
2234 trees.
2236 2018-04-11 Marek Polacek <polacek@redhat.com>
2238 PR c++/85032
2239 * constexpr.c (potential_constant_expression_1): Consider conversions
2240 from classes to literal types potentially constant.
2242 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
2244 PR c++/70808
2245 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2246 the type like TYPE_PTR_OR_PTRMEM_P.
2248 2018-04-10 Jason Merrill <jason@redhat.com>
2250 PR debug/65821 - wrong location for main().
2251 * call.c (clear_location_r, convert_default_arg): Revert.
2252 * tree.c (break_out_target_exprs): Add clear_location parm.
2253 (struct bot_data): New.
2254 (bot_manip): Clear location if requested.
2255 * init.c (get_nsdmi): Pass clear_location.
2257 2018-04-10 David Malcolm <dmalcolm@redhat.com>
2259 PR c++/85110
2260 * call.c (get_fndecl_argument_location): Make non-static.
2261 * cp-tree.h (get_fndecl_argument_location): New decl.
2262 * typeck.c (convert_for_assignment): When complaining due to
2263 conversions for an argument, show the location of the parameter
2264 within the decl.
2266 2018-04-10 Jakub Jelinek <jakub@redhat.com>
2268 PR c++/85312 - P0962 cleanup
2269 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2270 diagnostics.
2272 2018-04-10 Jason Merrill <jason@redhat.com>
2274 PR debug/65821 - wrong location for main().
2275 * call.c (clear_location_r): New.
2276 (convert_default_arg): Use it.
2277 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2279 PR c++/85285 - ICE with flexible array after substitution.
2280 * pt.c (instantiate_class_template_1): Check for flexible array in
2281 union.
2283 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
2285 PR c++/85227
2286 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2287 issue a pedwarn and defer trying to do bindings.
2289 2018-04-09 Jason Merrill <jason@redhat.com>
2291 PR c++/85279 - dump_expr doesn't understand decltype.
2292 * error.c (dump_expr): Handle DECLTYPE_TYPE.
2294 PR c++/85262 - ICE with redundant qualification on constructor.
2295 * call.c (build_new_method_call_1): Move make_args_non_dependent
2296 after A::A() handling.
2298 PR c++/85277 - ICE with invalid offsetof.
2299 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2300 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2302 PR c++/85264 - ICE with excess template-parameter-list.
2303 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2304 parameter. Don't allow an extra template header if true.
2305 (cp_parser_class_head): Pass template_id_p.
2306 (cp_parser_elaborated_type_specifier): Likewise.
2307 (cp_parser_alias_declaration): Likewise.
2308 (cp_parser_check_declarator_template_parameters): Likewise.
2310 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2312 PR c++/85194
2313 * parser.c (cp_parser_simple_declaration): For structured bindings,
2314 if *maybe_range_for_decl is NULL after parsing it, set it to
2315 error_mark_node.
2317 2018-04-09 Jason Merrill <jason@redhat.com>
2319 PR c++/85256 - ICE capturing pointer to VLA.
2320 * lambda.c (add_capture): Distinguish between variable-size and
2321 variably-modified types.
2323 2018-04-06 Jason Merrill <jason@redhat.com>
2325 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2326 * pt.c (extract_locals_r): Remember local typedefs.
2328 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2330 PR c++/84269
2331 * name-lookup.c (struct std_name_hint): Move out of
2332 get_std_name_hint; add field "min_dialect".
2333 (get_std_name_hint): Add min_dialect values to all initializers.
2334 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2335 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2336 <shared_mutex>, <string_view>, <thread>, and <variant>.
2337 Add fstream, ifstream, and ofstream to <fstream>.
2338 Add istringstream, ostringstream, and stringstream to <sstream>.
2339 Add basic_string to <string>.
2340 Add tuple_element and tuple_size to <tuple>.
2341 Add declval to <utility>.
2342 Fix ordering of <queue> and <tuple>.
2343 Return a std_name_hint, rather than a const char *.
2344 (get_cxx_dialect_name): New function.
2345 (maybe_suggest_missing_std_header): Detect names that aren't yet
2346 available in the current dialect, and instead of suggesting a
2347 missing #include, warn about the dialect.
2349 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2351 PR c++/85210
2352 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2353 errorcount is set if tsubst doesn't return a VAR_DECL.
2355 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2357 PR c++/85021
2358 * name-lookup.c (using_directives_contain_std_p): New function.
2359 (has_using_namespace_std_directive_p): New function.
2360 (suggest_alternatives_for): Simplify if/else logic using early
2361 returns. If no candidates were found, and there's a
2362 "using namespace std;" directive, call
2363 maybe_suggest_missing_std_header.
2364 (maybe_suggest_missing_header): Split later part of the function
2365 into..
2366 (maybe_suggest_missing_std_header): New.
2368 2018-04-06 Jason Merrill <jason@redhat.com>
2370 PR c++/85242 - ICE with class definition in template parm.
2371 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2372 processing_template_parmlist.
2374 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2375 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2377 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2379 PR c++/85209
2380 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2381 is not prev, if prev == decl.
2383 PR c++/85208
2384 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2385 maybe_apply_pragma_weak here...
2386 (cp_maybe_mangle_decomp): ... but call it here instead.
2388 2018-04-05 Jason Merrill <jason@redhat.com>
2390 PR c++/85136 - ICE with designated init in template.
2391 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2392 designated initializer.
2393 (check_array_designated_initializer): Update ce->index with the
2394 constant value.
2396 PR c++/83808 - ICE with VLA initialization.
2397 * typeck2.c (process_init_constructor_array): Don't require a VLA
2398 initializer to have VLA type.
2400 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2402 PR c++/80956
2403 * call.c (convert_like_real): Fail gracefully for a broken
2404 std::initializer_list, missing a definition.
2406 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2408 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2410 PR c++/84792
2411 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2412 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2414 2018-04-05 Jason Merrill <jason@redhat.com>
2416 PR c++/82152 - ICE with class deduction and inherited ctor.
2417 * pt.c (do_class_deduction): Ignore inherited ctors.
2419 PR c++/84665 - ICE with array of empty class.
2420 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2422 PR c++/85228 - ICE with lambda in enumerator in template.
2423 * pt.c (bt_instantiate_type_proc): Don't assume
2424 CLASSTYPE_TEMPLATE_INFO is non-null.
2426 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2428 Implement P0969
2429 * decl.c (find_decomp_class_base): Check accessibility instead
2430 of declared access, adjust diagnostic.
2432 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2434 Implement P0961
2435 * decl.c (get_tuple_decomp_init): Check the templatedness
2436 of a member get.
2438 2018-04-05 Jason Merrill <jason@redhat.com>
2440 PR c++/85200 - ICE with constexpr if in generic lambda.
2441 * pt.c (extract_locals_r): Don't record the local specs of variables
2442 declared within the pattern.
2444 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2446 PR c++/84979
2447 * pt.c (check_auto_in_tmpl_args): New.
2448 (tsubst_qualified_id): Use it to reject template args
2449 referencing auto for non-type templates.
2450 * parser.c (cp_parser_template_id): Likewise.
2451 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2452 * typeck2.c (build_functional_cast): Report correct location
2453 for invalid use of auto.
2455 2018-04-04 Jason Merrill <jason@redhat.com>
2457 PR c++/85215 - ICE with copy-init from conversion.
2458 * call.c (merge_conversion_sequences): Fix type of direct binding
2459 sequence.
2461 PR c++/84938 - ICE with division by ~-1.
2462 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2464 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2465 * parser.c (cp_parser_mem_initializer_list): Call
2466 check_for_bare_parameter_packs.
2468 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2470 PR inline-asm/85172
2471 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2472 builtin_valid_in_constant_expr_p functions, don't call
2473 cxx_eval_constant_expression if argument is not
2474 potential_constant_expression.
2476 PR c++/85146
2477 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2478 argument.
2479 * semantics.c (calculate_bases): Add complain argument. Use
2480 complete_type_or_maybe_complain instead of just complete_type and
2481 return an empty vector if it fails. Move make_tree_vector () call
2482 after early return. Formatting fixes.
2483 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2484 end.
2485 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2486 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2487 calculate_direct_bases callers, formatting fixes.
2489 2018-04-04 Jason Merrill <jason@redhat.com>
2491 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2492 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2494 PR c++/85200 - ICE with constexpr if in generic lambda.
2495 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2497 PR c++/84221 - bogus -Wunused with attribute and template.
2498 * decl2.c (is_late_template_attribute): Handle unused and used
2499 normally on non-TYPE_DECL.
2501 PR c++/85135 - ICE with omitted template arguments.
2502 * decl.c (grokdeclarator): Catch deduced class type in trailing
2503 return type.
2505 PR c++/85133 - ICE with missing concept initializer.
2506 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2507 true.
2509 PR c++/85118 - wrong error with generic lambda and std::bind.
2510 * call.c (add_template_conv_candidate): Disable if there are any
2511 call operators.
2513 PR c++/85141 - ICE with compound assignment and static member fn.
2514 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2515 compound assignment.
2517 PR c++/85148 - ICE with 'this' in array NSDMI.
2518 * tree.c (replace_placeholders_r): Use handled_component_p.
2520 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2522 PR c++/65923
2523 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2524 * parser.c (cp_parser_unqualified_id): ..not here.
2526 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2528 PR c++/84943
2529 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2530 used.
2531 * decl2.c (mark_used): Return without effects if tf_conv.
2533 2018-04-03 Jason Merrill <jason@redhat.com>
2535 PR c++/85092 - C++17 ICE with unused list constructor.
2536 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2537 from a TARGET_EXPR.
2539 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2540 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2541 __builtin_constant_p if ctx->quiet.
2543 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2545 PR c++/84768
2546 * pt.c (rewrite_template_parm): If the first argument is
2547 error_mark_node return it immediately.
2548 (build_deduction_guide): Check the return value of the
2549 latter for error_mark_node.
2550 (do_class_deduction): Check the return value of the latter.
2552 2018-04-03 Jason Merrill <jason@redhat.com>
2554 * semantics.c (finish_if_stmt_cond): Use
2555 instantiation_dependent_expression_p.
2557 PR c++/85149 - generic lambda and constexpr if.
2558 * pt.c (build_extra_args, add_extra_args): Split from
2559 tsubst_pack_expansion.
2560 (tsubst_expr) [IF_STMT]: Use them.
2561 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2563 * typeck.c (merge_types): Limit matching attribute shortcut to
2564 the default case.
2566 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2568 PR c++/85147
2569 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2571 PR c++/85140
2572 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2573 is error_mark_node.
2575 PR c++/85134
2576 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2577 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2578 instead for static data members clear init and set DECL_EXTERNAL.
2580 2018-04-02 Jason Merrill <jason@redhat.com>
2582 PR c++/64095 - auto... parameter pack.
2583 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2584 into packs here.
2585 (cp_parser_parameter_declaration_list): Not here.
2587 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2589 PR c++/85027
2590 * class.c (instantiate_type): Peel off SAVE_EXPR before
2591 BASELINK.
2593 2018-03-30 Jason Merrill <jason@redhat.com>
2595 * typeck2.c (process_init_constructor_record): Use
2596 init_list_type_node for the CONSTRUCTOR around an anonymous union
2597 designated initializer.
2599 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2601 PR c++/84791
2602 * semantics.c (finish_omp_reduction_clause): If
2603 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2604 even if processing_template_decl.
2606 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2608 PR c++/84269
2609 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2610 <tuple>, and <utility>.
2612 2018-03-29 Jason Merrill <jason@redhat.com>
2614 PR c++/85093 - too many template args with pack expansion.
2615 * pt.c (coerce_template_parms): Keep pack expansion args that will
2616 need to be empty.
2618 2018-03-29 Jason Merrill <jason@redhat.com>
2620 * pt.c (build_non_dependent_expr): Propagate expr location.
2622 2018-03-27 Jason Merrill <jason@redhat.com>
2624 PR c++/85060 - wrong-code with call to base member in template.
2625 * search.c (any_dependent_bases_p): Check uses_template_parms
2626 rather than processing_template_decl.
2628 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2630 PR c++/85110
2631 * typeck.c (convert_for_assignment): When complaining due to
2632 conversions for an argument, attempt to use the location of the
2633 argument.
2635 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2637 PR c++/85028
2638 * pt.c (tsubst_default_argument): Early return if the type of the
2639 parameter is erroneous.
2641 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2643 PR c++/84973
2644 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2645 templates.
2647 PR c++/84968
2648 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2650 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2652 PR c++/85067
2653 * method.c (defaulted_late_check): Partially revert r253321 changes,
2654 do not early return upon error.
2656 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2658 PR c++/85077
2659 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2660 type call fold to generate VECTOR_CSTs when possible.
2662 PR c++/85076
2663 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2664 return it right away.
2666 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2668 * search.c (check_final_overrider): Use inform instead of error
2669 for the diagnostics of the overridden functions. Tweak wording.
2671 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2673 PR c++/85068
2674 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2675 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2677 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2678 Jason Merrill <jason@redhat.com>
2680 PR c++/84632
2681 * init.c (build_aggr_init): When initializing from array,
2682 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2683 (build_vec_init): Handle separately ARRAY_TYPEs.
2685 2018-03-26 Jason Merrill <jason@redhat.com>
2687 PR c++/85062 - ICE with alignas in wrong place.
2688 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2689 here.
2691 PR c++/85049 - ICE with __integer_pack.
2692 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2693 * cp-tree.h (TEMPLATE_PARM_P): New.
2695 2018-03-23 Jason Merrill <jason@redhat.com>
2697 PR c++/78489 - wrong SFINAE behavior.
2699 PR c++/84489
2700 * pt.c (type_unification_real): Don't defer substitution failure.
2702 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2704 PR c++/85015
2705 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2706 result.
2708 PR c++/84942
2709 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2710 cp_build_unary_op call with gcc_unreachable ().
2712 2018-03-23 Marek Polacek <polacek@redhat.com>
2714 PR c++/85045
2715 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2716 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2717 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2719 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2721 Implement P0962
2722 * parser.c (cp_parser_perform_range_for_lookup): Change
2723 the condition for deciding whether to use members.
2725 2018-03-23 Marek Polacek <polacek@redhat.com>
2727 PR c++/85033
2728 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2730 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2732 PR c++/71251
2733 * parser.c (cp_parser_alias_declaration): Call
2734 parser_check_template_parameters.
2736 PR c++/84789
2737 * pt.c (resolve_typename_type): Drop assert that stopped
2738 simplification to template-independent types. Add assert to
2739 verify the initial scope is template dependent.
2740 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2741 Reparse the id expression as a type-name, not a declarator.
2743 PR c++/84729
2744 * init.c (build_vec_init): Error at parenthesized array init.
2746 PR c++/84610
2747 PR c++/84642
2748 PR c++/84942
2749 * cp-tree.h (temp_override): New template class, generalizing
2750 a cleanup that was only used...
2751 * parser.c (cp_parser_parameter_declaration_clause):
2752 ... here for auto_is_implicit_function_template_parm_p.
2753 (cp_parser_gnu_attributes_opt): Use it here as well.
2754 (cp_parser_std_attribute): Likewise.
2756 2018-03-22 Marek Polacek <polacek@redhat.com>
2758 PR c++/84854
2759 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2760 is boolean.
2762 2018-03-21 Jason Merrill <jason@redhat.com>
2764 PR c++/81311 - wrong C++17 overload resolution.
2765 * call.c (build_user_type_conversion_1): Remove C++17 code.
2766 (conv_binds_ref_to_prvalue): New.
2767 (build_over_call): Handle C++17 copy elision.
2768 (build_special_member_call): Only do C++17 copy elision here if the
2769 argument is already the right type.
2771 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2773 PR c++/71965
2774 * init.c (build_vec_init): Silence error, former sorry,
2775 without tf_error.
2777 PR c++/84610
2778 PR c++/84642
2779 * parser.c (abort_fully_implicit_template_p): New.
2780 (cp_parser_skip_to_end_of_statement): Use it.
2781 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2782 (finish_fully_implicit_template_p): Clear
2783 implicit_template_parms and implicit_template_scope.
2785 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2787 PR c++/84972
2788 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2789 error_mark_node when check_array_designated_initializer fails.
2791 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2793 PR c++/84961
2794 * cp-tree.h (genericize_compound_lvalue): Declare.
2795 * typeck.c (genericize_compound_lvalue): New function.
2796 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2797 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2798 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2799 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2800 COMPOUND_EXPR operand.
2802 2018-03-21 Nathan Sidwell <nathan@acm.org>
2804 PR c++/85008
2805 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2806 * decl2.c (vague_linkage_p): Likewise.
2808 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2810 PR c++/84994
2811 * constexpr.c (constexpr_fn_retval): Make non-"static".
2812 * cp-tree.h (constexpr_fn_retval): New decl.
2813 * search.c (direct_accessor_p): Update leading comment.
2814 (reference_accessor_p): Likewise.
2815 (field_accessor_p): Replace check that function body is a
2816 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2817 indentation of "field_type" decl.
2819 2018-03-21 Nathan Sidwell <nathan@acm.org>
2821 PR c++/84804
2822 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2823 complete classes.
2825 2018-03-21 Martin Sebor <msebor@redhat.com>
2827 PR c++/84850
2828 * call.c (first_non_public_field): New template and function.
2829 (first_non_trivial_field): New function.
2830 (maybe_warn_class_memaccess): Call them.
2832 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2834 PR c++/84892
2835 * search.c (field_accessor_p): Use class_of_this_parm rather than
2836 type_of_this_parm, to check that "this" is a "const T *", rather
2837 than a "T *const".
2839 2018-03-21 Nathan Sidwell <nathan@acm.org>
2841 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2842 other than public non-static data members.
2843 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2844 parenthesized initializer.
2846 PR c++/84836
2847 * name-lookup.c (update_binding): Correct logic for local binding
2848 update.
2850 2018-03-21 Marek Polacek <polacek@redhat.com>
2852 PR c++/71638, ICE with NSDMI and reference.
2853 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2854 even when we replace an element.
2856 2018-03-20 Marek Polacek <polacek@redhat.com>
2858 PR c++/84978, ICE with NRVO.
2859 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2860 a RESULT_DECL isn't in the hash map.
2862 2018-03-20 Jason Merrill <jason@redhat.com>
2864 PR c++/84978, ICE with NRVO.
2865 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2866 (cp_get_callee_fndecl_nofold): New.
2867 * cp-gimplify.c (cp_genericize_r): Use it instead.
2868 * call.c (check_self_delegation): Likewise.
2870 2018-03-20 Nathan Sidwell <nathan@acm.org>
2872 PR c++/84962
2873 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2874 member_vec, if there is one.
2876 PR c++/84970
2877 * cp-tree.h (lookup_list_keep): Declare.
2878 * tree.c (lookup_list_keep): New, broken out of ...
2879 (build_min): ... here. Call it.
2880 * decl.c (cp_finish_decl): Call lookup_list_keep.
2882 2018-03-19 Jason Merrill <jason@redhat.com>
2884 PR c++/84937 - ICE with class deduction and auto.
2885 * pt.c (rewrite_template_parm): Fix auto handling.
2887 2018-03-19 Marek Polacek <polacek@redhat.com>
2889 PR c++/84925
2890 * pt.c (enclosing_instantiation_of): Check if fn is null.
2892 PR c++/84927
2893 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2894 as we evaluate the elements.
2895 (cxx_eval_constant_expression): Verify constructor's flags
2896 unconditionally.
2898 2018-03-19 Jason Merrill <jason@redhat.com>
2900 PR c++/71834 - template-id with too few arguments.
2901 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2903 2018-03-19 Nathan Sidwell <nathan@acm.org>
2905 PR c++/84835
2906 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2907 * pt.c (build_template_decl): Propagate language linkage.
2909 PR c++/84812
2910 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2911 ambiguous lookups.
2913 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2915 PR c/84910
2916 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2917 diagnostics.
2918 * method.c (synthesize_method): Likewise.
2919 * pt.c (convert_nontype_argument): Likewise.
2921 2018-03-16 Jason Merrill <jason@redhat.com>
2923 PR c++/84720 - ICE with rvalue ref non-type argument.
2924 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2925 (convert_nontype_argument): Revert earlier change.
2927 PR c++/80227 - SFINAE and negative array size.
2928 * decl.c (compute_array_index_type): Use
2929 build_converted_constant_expr and valid_constant_size_p.
2931 PR c++/84906 - silent wrong code with ambiguous conversion.
2932 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2933 ambiguous conversion.
2934 (convert_like_real): Check it.
2936 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2937 * call.c (build_special_member_call): Don't convert an init-list
2938 argument directly to the class type.
2940 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2942 PR c++/79937
2943 PR c++/82410
2944 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2945 (find_placeholder): Declare.
2946 * tree.c (struct replace_placeholders_t): Add exp member.
2947 (replace_placeholders_r): Don't walk into ctors with
2948 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2949 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2950 (replace_placeholders): Initialize data.exp.
2951 (find_placeholders_r, find_placeholders): New functions.
2952 * typeck2.c (process_init_constructor_record,
2953 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2954 if adding NSDMI on which find_placeholder returns true.
2955 * call.c (build_over_call): Don't call replace_placeholders here.
2956 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2957 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2958 TARGET_EXPR_INITIAL.
2959 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2960 ctor.
2962 2018-03-16 Jason Merrill <jason@redhat.com>
2964 PR c++/83911 - ICE with multiversioned constructor.
2965 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2966 dispatchere here.
2967 * call.c (build_over_call): Not here.
2969 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2971 PR c++/84874
2972 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2973 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2975 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2977 PR c++/84222
2978 * cp-tree.h (cp_warn_deprecated_use): Declare.
2979 * tree.c (cp_warn_deprecated_use): New function.
2980 * typeck2.c (build_functional_cast): Use it.
2981 * decl.c (grokparms): Likewise.
2982 (grokdeclarator): Likewise. Temporarily push nested class scope
2983 around grokparms call for out of class member definitions.
2985 2018-03-14 Jason Merrill <jason@redhat.com>
2987 PR c++/84820 - no error for invalid qualified-id.
2988 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2989 cp_error_declarator.
2991 PR c++/84801 - ICE with unexpanded pack in lambda.
2992 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2993 lambda in non-template context.
2995 PR c++/81236 - auto variable and auto function
2996 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2997 mark_used.
2999 2018-03-14 Jason Merrill <jason@redhat.com>
3001 PR c++/83916 - ICE with template template parameters.
3002 * pt.c (convert_template_argument): Don't substitute into type of
3003 non-type parameter if we don't have enough arg levels.
3004 (unify): Likewise.
3006 2018-03-14 Marek Polacek <polacek@redhat.com>
3008 PR c++/84596
3009 * semantics.c (finish_static_assert): Check
3010 instantiation_dependent_expression_p instead of
3011 {type,value}_dependent_expression_p.
3013 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
3014 Jason Merrill <jason@redhat.com>
3016 PR c++/82336 - link error with list-init default argument.
3017 * decl.c (check_default_argument): Unshare an initializer list.
3019 2018-03-13 Jakub Jelinek <jakub@redhat.com>
3021 PR c++/84843
3022 * decl.c (duplicate_decls): For redefinition of built-in, use error
3023 and return error_mark_node. For redeclaration, return error_mark_node
3024 rather than olddecl if !flag_permissive.
3026 2018-03-13 Jason Merrill <jason@redhat.com>
3028 PR c++/82565 - ICE with concepts and generic lambda.
3029 * pt.c (instantiate_decl): Clear fn_context for lambdas.
3031 2018-03-13 Jason Merrill <jason@redhat.com>
3033 PR c++/84720 - ICE with rvalue ref non-type argument.
3034 * pt.c (convert_nontype_argument): Handle rvalue references.
3036 PR c++/84839 - ICE with decltype of parameter pack.
3037 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
3038 instantiating dummy parms.
3040 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
3041 parameter even without -Wpedantic.
3043 PR c++/84798 - ICE with auto in abstract function declarator.
3044 * parser.c (cp_parser_parameter_declaration_clause): Check
3045 parser->default_arg_ok_p.
3047 2018-03-13 Jakub Jelinek <jakub@redhat.com>
3049 PR c++/84808
3050 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
3051 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
3052 sizetype. Formatting fixes.
3054 2018-03-12 Jason Merrill <jason@redhat.com>
3056 PR c++/84355 - ICE with deduction for member class template.
3057 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
3058 CLASS_PLACEHOLDER_TEMPLATE.
3060 PR c++/84802 - ICE capturing uninstantiated class.
3061 * lambda.c (build_capture_proxy): Call complete_type.
3063 2018-03-09 Jason Merrill <jason@redhat.com>
3065 PR c++/84770 - ICE with typedef and parameter pack.
3066 * pt.c (verify_unstripped_args_1): Split out from
3067 verify_unstripped_args.
3069 PR c++/84785 - ICE with alias template and default targs.
3070 * pt.c (type_unification_real): Set processing_template_decl if
3071 saw_undeduced == 1.
3073 PR c++/84752 - ICE with capture of constexpr array.
3074 * call.c (standard_conversion): Set rvaluedness_matches_p on the
3075 identity conversion under ck_lvalue.
3077 2018-03-09 Jason Merrill <jason@redhat.com>
3078 Paolo Carlini <paolo.carlini@oracle.com>
3080 PR c++/71169
3081 PR c++/71832
3082 * pt.c (any_erroneous_template_args_p): New.
3083 * cp-tree.h (any_erroneous_template_args_p): Declare it.
3084 * parser.c (cp_parser_class_specifier_1): Use it.
3086 2018-03-09 Jason Merrill <jason@redhat.com>
3088 PR c++/84726 - unnecessary capture of constant vars.
3089 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
3090 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
3091 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
3092 * lambda.c (is_constant_capture_proxy)
3093 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
3094 (prune_lambda_captures): New.
3095 (finish_lambda_function): Call prune_lambda_captures.
3097 2018-03-09 Jason Merrill <jason@redhat.com>
3098 Jakub Jelinek <jakub@redhat.com>
3100 PR c++/84076
3101 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
3102 build ADDR_EXPR with REFERENCE_TYPE.
3103 (build_over_call): For purposes of check_function_arguments, if
3104 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
3105 its operand rather than the argument itself.
3107 2018-03-09 Jakub Jelinek <jakub@redhat.com>
3109 PR c++/84724
3110 * decl.c (duplicate_decls): Don't override __* prefixed builtins
3111 except for __[^b]*_chk, instead issue permerror and for -fpermissive
3112 also a note and return olddecl.
3114 2018-03-09 Nathan Sidwell <nathan@acm.org>
3116 PR c++/84733
3117 * name-lookup.c (do_pushdecl_with_scope): Only clear
3118 current_function_decl when pushing a non-class (i.e. namespace)
3119 scope.
3121 2018-03-08 Jason Merrill <jason@redhat.com>
3122 Jakub Jelinek <jakub@redhat.com>
3124 PR c++/80598
3125 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
3126 not calling mark_used for the benefit of -Wunused-function warning.
3128 2018-03-06 Jason Merrill <jason@redhat.com>
3130 * lambda.c (is_capture_proxy_with_ref): Remove.
3131 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
3133 2018-03-06 Marek Polacek <polacek@redhat.com>
3135 PR c++/84684
3136 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
3137 arguments.
3139 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
3141 PR c++/84231
3142 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
3143 only while processing template decls.
3144 * typeck.c (build_x_conditional_expr): Move wrapping of
3145 reference type around type...
3146 * call.c (build_conditional_expr_1): ... here. Rename
3147 is_lvalue to is_glvalue.
3148 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
3149 INDIRECT_REF of COND_EXPR too.
3151 PR c++/84593
3152 * init.c (build_zero_init_1): Zero-initialize references.
3154 PR c++/84492
3155 * semantics.c (finish_stmt_expr_expr): Reject unresolved
3156 overloads used as stmt expr values.
3158 2018-03-05 Jason Merrill <jason@redhat.com>
3160 PR c++/84708 - ICE with lambda in local class NSDMI.
3161 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
3162 context.
3164 2018-03-05 Jakub Jelinek <jakub@redhat.com>
3166 PR c++/84684
3167 * constexpr.c (constexpr_call_hasher::equal): Return false if
3168 lhs->hash != rhs->hash. Change return 1 to return true and
3169 return 0 to return false.
3171 2018-03-05 Nathan Sidwell <nathan@acm.org>
3173 PR c++/84702
3174 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
3176 2018-03-05 Marek Polacek <polacek@redhat.com>
3178 PR c++/84707
3179 * decl.c (duplicate_decls): Check DECL_NAME before accessing
3180 UDLIT_OPER_P.
3182 2018-03-05 Nathan Sidwell <nathan@acm.org>
3184 PR c++/84694
3185 * friend.c (do_friend): Restore check for identifier_p inside
3186 TEMPLATE_ID_EXPR.
3188 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
3190 PR c++/84618
3191 * parser.c (cp_parser_lambda_introducer): Reject any capture not
3192 involving a VAR_DECL or a PARM_DECL.
3194 2018-03-05 Pádraig Brady <P@draigBrady.com>
3195 Jason Merrill <jason@redhat.com>
3196 Nathan Sidwell <nathan@acm.org>
3198 PR c++/84497
3199 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
3201 2018-03-03 Jason Merrill <jason@redhat.com>
3203 PR c++/84686 - missing volatile loads.
3204 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
3206 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
3208 PR c++/71464
3209 * optimize.c (maybe_thunk_body): Bail out immediately if either
3210 fns[0] or fns[1] is null.
3212 2018-03-02 Marek Polacek <polacek@redhat.com>
3214 PR c++/84578
3215 * constexpr.c (get_array_or_vector_nelts): New.
3216 (cxx_eval_array_reference): Use it.
3217 (cxx_eval_vec_init_1): Likewise.
3218 (cxx_eval_store_expression): Likewise.
3220 2018-03-02 Jason Merrill <jason@redhat.com>
3222 * semantics.c (force_paren_expr): Remove redundant test.
3224 2018-03-02 Marek Polacek <polacek@redhat.com>
3226 PR c++/84663
3227 * decl.c (cp_complete_array_type): Check error_mark_node.
3229 PR c++/84664
3230 * typeck.c (cp_perform_integral_promotions): Check the result of
3231 mark_rvalue_use.
3233 2018-03-02 Jakub Jelinek <jakub@redhat.com>
3235 PR c++/84662
3236 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3237 RETURN instead of return.
3238 <case POINTER_PLUS_EXPR>: Likewise.
3239 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3240 it instead of wrapping it into CONVERT_EXPR.
3242 2018-03-02 Jason Merrill <jason@redhat.com>
3244 Fix MIPS16 ICE.
3245 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3247 2018-03-02 Marek Polacek <polacek@redhat.com>
3249 PR c++/84590
3250 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3251 wrapped in VIEW_CONVERT_EXPR.
3253 2018-03-01 Martin Sebor <msebor@redhat.com>
3255 PR c++/84294
3256 * decl.c (check_redeclaration_no_default_args): Merge attributes
3257 specified on redeclarations of the same function template.
3258 Remove dead code.
3260 2018-03-01 Marek Polacek <polacek@redhat.com>
3261 Jason Merrill <jason@redhat.com>
3263 PR c++/84582
3264 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3265 a template.
3266 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3267 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3268 of instantiate_non_dependent_expr.
3269 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3271 2018-03-01 Nathan Sidwell <nathan@acm.org>
3273 PR c++/84434
3274 * name-lookup.c (member_vec_dedup): Remove manually peeled
3275 iteration. Ignore dependent ctor inheritance.
3277 2018-03-01 Jason Merrill <jason@redhat.com>
3279 PR c++/71569 - decltype of template.
3280 * parser.c (cp_parser_decltype_expr): Handle missing template args.
3282 2018-03-01 Marek Polacek <polacek@redhat.com>
3284 PR c++/84596
3285 * constexpr.c (require_rvalue_constant_expression): New function.
3286 * cp-tree.h: Declare it.
3287 * semantics.c (finish_static_assert): Use it instead of
3288 require_potential_rvalue_constant_expression.
3290 2018-03-01 Jason Merrill <jason@redhat.com>
3291 Alexandre Oliva <aoliva@redhat.com>
3293 PR c++/71569 - ICE with redundant args on member variable template.
3294 * decl.c (start_decl): Handle partial specialization of member
3295 variable template.
3296 * pt.c (determine_specialization): Allow partial specialization
3297 of member variable template without specializing enclosing class.
3298 (process_partial_specialization): Improve error message.
3300 2018-02-28 Jason Merrill <jason@redhat.com>
3302 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3303 * pt.c (determine_specialization): Check ref-qualifier.
3305 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3307 PR c++/84609
3308 * parser.c (cp_parser_attributes_opt): Formatting fix.
3309 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3310 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3311 New functions.
3312 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3313 instead of tentative parse to peek over optional attribute tokens
3314 to check for CPP_COLON after them.
3316 PR c++/83871
3317 PR c++/83503
3318 * pt.c (INCLUDE_STRING): Remove define.
3319 (warn_spec_missing_attributes): Use pretty_printer instead of
3320 std::string. Fix up inform call so that the list of attributes
3321 is in %s argument.
3323 2018-02-28 Martin Sebor <msebor@redhat.com>
3325 PR testsuite/84617
3326 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3327 and malloc.
3329 2018-02-28 Nathan Sidwell <nathan@acm.org>
3331 PR c++/84602
3332 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3333 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3334 regardless of want_type.
3335 (search_anon_aggr): Just use get_class_binding_direct.
3337 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3339 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3340 inform_n.
3342 2018-02-27 Martin Sebor <msebor@redhat.com>
3344 * pt.c: Avoid including <string> directly.
3346 2018-02-27 Martin Sebor <msebor@redhat.com>
3348 PR c++/83871
3349 PR c++/83503
3350 * cp-tree.h (warn_spec_missing_attributes): New function.
3351 ((check_explicit_specialization): Add an argument. Call the above
3352 function.
3353 * decl.c (duplicate_decls): Avoid applying primary function template's
3354 attributes to its explicit specializations.
3355 cp/pt.c (warn_spec_missing_attributes): Define.
3357 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
3359 PR c++/71546 - lambda init-capture with qualified-id.
3360 * parser.c (cp_parser_lambda_introducer): Clear scope after
3361 each lambda capture.
3363 2018-02-27 Nathan Sidwell <nathan@acm.org>
3365 PR c++/84426
3366 * name-lookup.h (get_member_slot): Rename ...
3367 (find_member_slot): ... here.
3368 (add_member_slot): New.
3369 * name-lookup.c (member_vec_linear_search): No need to check for
3370 NULL slot.
3371 (get_member_slot): Rename ...
3372 (find_member_slot): ... here. Don't add slot for incomplete class.
3373 (add_member_slot): New.
3374 * class.c (add_method): Adjust get_member_slot rename. Bail out
3375 if push_class_level_binding fails. Create slot and grok
3376 properties once we're committed to insertion.
3378 2018-02-27 Jason Merrill <jason@redhat.com>
3380 PR c++/84489 - dependent default template argument
3381 * pt.c (type_unification_real): Handle early substitution failure.
3383 2018-02-26 Jason Merrill <jason@redhat.com>
3385 PR c++/84560 - ICE capturing multi-dimensional VLA.
3386 * tree.c (array_of_runtime_bound_p): False if the element is
3387 variably-modified.
3389 PR c++/84441 - ICE with base initialized from ?:
3390 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3392 PR c++/84520 - ICE with generic lambda in NSDMI.
3393 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3394 'this' in a generic lambda instantiation.
3396 PR c++/84559 - ICE with constexpr VLA.
3397 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3398 for constexpr variable with VLA type.
3400 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3402 PR c++/84558
3403 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3404 a valid constant initializer. Formatting fixes.
3406 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3408 PR c++/84540
3409 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3410 returning NULL_TREE.
3411 (apply_late_template_attributes): Likewise.
3413 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3415 PR c++/84557
3416 * parser.c (cp_parser_omp_var_list_no_open): Only call
3417 cp_parser_lookup_name_simple on names satisfying identifier_p.
3418 (cp_parser_oacc_routine): Likewise.
3420 2018-02-26 Jason Merrill <jason@redhat.com>
3422 PR c++/84551 - ICE with concepts and -g.
3423 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3425 2018-02-26 Marek Polacek <polacek@redhat.com>
3427 PR c++/84325
3428 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3429 non-types.
3431 2018-02-26 Jason Merrill <jason@redhat.com>
3433 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3434 * call.c (build_over_call): Handle deleted functions in one place.
3436 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3438 PR c++/84533
3439 * decl.c (redeclaration_error_message): Don't try to use
3440 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3442 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3444 * lambda.c (build_capture_proxy): Define static.
3445 * cp-tree.h (build_capture_proxy): Remove.
3447 2018-02-26 Marek Polacek <polacek@redhat.com>
3449 PR c++/84537
3450 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3451 if name is error node.
3453 2018-02-25 Jason Merrill <jason@redhat.com>
3455 PR c++/84015 - ICE with class deduction and auto template parm.
3456 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3458 2018-02-24 Marek Polacek <polacek@redhat.com>
3460 PR c++/83692
3461 * constexpr.c (maybe_constant_init_1): New function.
3462 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3463 (cxx_constant_init): New function.
3464 * cp-tree.h (cxx_constant_init): Declare.
3465 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3466 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3468 2018-02-22 Jason Merrill <jason@redhat.com>
3470 PR c++/70468 - ICE with constructor delegation via typedef.
3471 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3472 with constructor delegation.
3474 2018-02-22 Jason Merrill <jason@redhat.com>
3476 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3477 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3478 VECTOR_TYPE.
3480 2018-02-22 Marek Polacek <polacek@redhat.com>
3482 PR c++/84493
3483 * parser.c (cp_parser_braced_list): Use require_open instead of
3484 consume_open.
3486 2018-02-21 Jason Merrill <jason@redhat.com>
3488 PR c++/84454 - ICE with pack expansion in signature.
3489 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3491 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3493 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3494 IF_STMT.
3496 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3498 PR c++/84446
3499 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3500 on error_mark_node.
3502 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3504 PR c++/84445
3505 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3506 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3508 PR c++/84449
3509 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3510 returns error_mark_node, return it immediately.
3511 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3512 error_mark_node, return error_mark_node.
3514 PR c++/84455
3515 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3516 function_depth to avoid GC during finish_lambda_function.
3518 2018-02-19 Jason Merrill <jason@redhat.com>
3520 PR c++/84429 - ICE capturing VLA.
3521 * lambda.c (build_capture_proxy): Handle reference refs.
3523 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3525 PR c++/84448
3526 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3527 either operand is error_mark_node, set current.lhs to that instead of
3528 creating a binary op with error_mark_node operands.
3530 PR c++/84430
3531 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3533 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3535 PR c++/84348
3536 * decl.c (grokdeclarator): Early return error_mark_node upon
3537 ill-formed friend declaration.
3539 2018-02-16 Marek Polacek <polacek@redhat.com>
3540 Jakub Jelinek <jakub@redhat.com>
3542 PR c++/84192
3543 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3544 set *jump_target to anything if jump_target is NULL.
3546 2018-02-16 Jason Merrill <jason@redhat.com>
3548 PR c++/84151 - unnecessary volatile load with static member.
3549 * call.c (build_new_method_call_1): Avoid loading from a volatile
3550 lvalue used as the object argument for a static member function.
3552 PR c++/81853 - using-directive and constexpr.
3553 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3555 PR c++/84420 - ICE with structured binding in lambda.
3556 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3558 PR c++/83835 - C++17 error with constructor ctors.
3559 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3561 PR c++/82664 - ICE with reference to function template parm.
3562 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3563 NOP_EXPRs.
3565 PR c++/82764 - C++17 ICE with empty base
3566 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3568 2018-02-16 Jason Merrill <jason@redhat.com>
3570 PR c++/84421 - type-dependent if constexpr
3571 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3573 2018-02-16 Nathan Sidwell <nathan@acm.org>
3575 Deprecate -ffriend-injection.
3576 * decl.c (cxx_init_decl_processing): Emit warning on option.
3577 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3578 friend.
3580 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3582 PR c++/82468
3583 * decl.c (check_special_function_return_type): Reject template
3584 template parameter in deduction guide.
3586 2018-02-16 Nathan Sidwell <nathan@acm.org>
3588 PR c++/84375
3589 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3591 2018-02-15 Jason Merrill <jason@redhat.com>
3593 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3594 * call.c (convert_like_real): Don't use the copy-list-initialization
3595 shortcut for ck_base.
3597 PR c++/84045 - ICE with typedef and noexcept.
3598 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3600 PR c++/84376 - ICE with omitted template arguments.
3601 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3603 PR c++/84368 - wrong error with local variable in variadic lambda.
3604 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3605 local_specializations.
3607 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3609 PR c++/84330
3610 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3611 as first argument.
3613 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3615 PR c++/84350
3616 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3617 init, early return.
3619 2018-02-14 Nathan Sidwell <nathan@acm.org>
3621 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3622 (c_parse_final_cleanups): Restore input_location after emitting
3623 vtables.
3625 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3627 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3628 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3629 auto_deduction_context, tree, int): Add defaults.
3630 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3631 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3632 tsubst_flags_t argument.
3633 * init.c (build_new): Likewise.
3635 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3637 PR c++/84364
3638 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3639 about return other than *this in assignment operators if
3640 retval is type dependent expression.
3642 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3644 PR c++/84333
3645 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3646 save_expr for the G++ extension.
3648 2018-02-13 Jason Merrill <jason@redhat.com>
3650 PR c++/84080 - ICE with return type deduction and specialization.
3651 * pt.c (determine_specialization): Check uses_template_parms.
3653 Fix more variadic capture issues.
3654 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3655 (check_for_bare_parameter_packs): Check current_class_type for
3656 lambda context.
3657 (extract_locals_r): Handle seeing a full instantiation of a pack.
3658 (tsubst_pack_expansion): Likewise. Force lambda capture.
3659 * parser.c (cp_parser_lambda_introducer): Don't
3660 check_for_bare_parameter_packs.
3662 PR c++/84338 - wrong variadic sizeof.
3663 * pt.c (argument_pack_select_arg): Like the macro, but look through
3664 a pack expansion.
3665 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3666 (extract_fnparm_pack): Do make_pack_expansion.
3667 (extract_locals_r): Do strip a pack expansion.
3668 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3670 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3672 PR c++/84341
3673 * parser.c (cp_parser_binary_expression): Use build_min instead of
3674 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3676 2018-02-12 Nathan Sidwell <nathan@acm.org>
3678 PR c++/84263
3679 * parser.c (cp_parser_decltype): Push and pop
3680 deferring_access_checks. Reorganize to avoid goto.
3682 2018-02-12 Richard Biener <rguenther@suse.de>
3684 PR c++/84281
3685 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3686 uniform constructors and delay allocating them fully.
3688 2018-02-09 Jason Merrill <jason@redhat.com>
3690 PR c++/84036 - ICE with variadic capture.
3691 Handle variadic capture proxies more like non-variadic.
3692 * lambda.c (build_capture_proxy): Remove workaround.
3693 * pt.c (find_parameter_packs_r): The proxy is a pack.
3694 (instantiate_class_template_1): Remove dead lambda code.
3695 (extract_fnparm_pack): Don't make_pack_expansion.
3696 (extract_locals_r): Don't strip a pack expansion.
3697 (tsubst_pack_expansion): Handle proxy packs. Use
3698 PACK_EXPANSION_EXTRA_ARGS less.
3699 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3700 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3701 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3702 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3703 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3705 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3707 PR sanitizer/83987
3708 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3710 2018-02-09 Jason Merrill <jason@redhat.com>
3712 PR c++/81917 - ICE with void_t and partial specialization.
3713 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3714 calling most_specialized_partial_spec.
3716 2018-02-09 Nathan Sidwell <nathan@acm.org>
3718 PR c/84293
3719 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3720 Pass expr location to strict_aliasing_warning.
3722 2018-02-09 Jason Merrill <jason@redhat.com>
3724 PR c++/84296 - ICE with qualified-id in template.
3725 PR c++/83714
3726 * pt.c (unknown_base_ref_p): New.
3727 (instantiation_dependent_scope_ref_p): Use it instead of
3728 any_dependent_bases_p.
3730 2018-02-09 Marek Polacek <polacek@redhat.com>
3731 Jakub Jelinek <jakub@redhat.com>
3733 PR c++/83659
3734 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3735 fold_indirect_ref_1, including poly_*int64. Verify first that
3736 tree_fits_poly_int64_p (op01). Formatting fixes.
3738 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3740 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3741 * lambda.c (build_capture_proxy): Likewise.
3742 * search.c (field_access_p): Likewise.
3743 * semantics.c (omp_clause_decl, omp_privatize_field,
3744 finish_omp_clauses): Likewise.
3746 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3748 PR c++/83806
3749 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3750 case of nullptr too.
3752 2018-02-08 Nathan Sidwell <nathan@acm.org>
3754 * class.c (finish_struct): Fix std:initializer_list diagnostic
3755 formatting.
3757 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3759 PR c++/83204
3760 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3762 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3764 PR c++/84082
3765 * parser.c (cp_parser_dot_deref_incomplete): New function.
3766 (cp_parser_postfix_dot_deref_expression): Use it.
3768 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3770 PR c++/81610
3771 PR c++/80567
3772 * name-lookup.c (suggest_rid_p): New function.
3773 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3774 suggest_rid_p.
3776 2018-02-07 Jason Merrill <jason@redhat.com>
3778 PR c++/84182 - ICE with captured lambda
3779 PR c++/84181
3780 * pt.c (extract_locals_r, extract_local_specs): New.
3781 (tsubst_pack_expansion): Use them.
3783 2018-02-07 Martin Liska <mliska@suse.cz>
3785 PR c++/84059.
3786 * class.c (add_method): Append argument value.
3787 * cp-tree.h (maybe_version_functions): Add new argument.
3788 * decl.c (decls_match): Call it if a declaration does not
3789 have DECL_FUNCTION_VERSIONED.
3790 (maybe_version_functions): record argument is added.
3792 2018-02-05 Marek Polacek <polacek@redhat.com>
3794 * class.c: Remove unused global variables.
3795 (build_primary_vtable): Don't gather statistics.
3796 (print_class_statistics): Remove.
3797 * cp-tree.h (print_class_statistics): Remove.
3798 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3800 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3802 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3803 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3804 * decl.c (next_initializable_field, find_decomp_class_base,
3805 cp_finish_decomp): Likewise.
3806 * typeck2.c (process_init_constructor_record): Likewise.
3808 2018-02-02 Jason Merrill <jason@redhat.com>
3810 PR c++/84181 - ICE with lambda parm in template argument.
3811 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3813 2018-02-01 Jason Merrill <jason@redhat.com>
3815 PR c++/84160 - ICE with nested variadic capture.
3816 * lambda.c (is_capture_proxy_with_ref): New.
3817 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3818 COMPONENT_REF.
3819 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3820 * constexpr.c (potential_constant_expression_1): Likewise.
3821 * semantics.c (process_outer_var_ref): Likewise.
3823 2018-02-01 Marek Polacek <polacek@redhat.com>
3825 PR c++/84125
3826 * typeck.c (build_address): Relax the assert when
3827 processing_template_decl.
3829 2018-02-01 Jason Merrill <jason@redhat.com>
3831 PR c++/84126 - ICE with variadic generic lambda
3832 PR c++/84036
3833 PR c++/82249
3834 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3835 PACK_EXPANSION_EXTRA_ARGS.
3837 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3839 PR c++/83796
3840 * call.c (convert_like_real): If w're initializing from {} explicitly
3841 call abstract_virtuals_error_sfinae.
3843 2018-01-31 Jason Merrill <jason@redhat.com>
3844 Jakub Jelinek <jakub@redhat.com>
3846 PR c++/83993
3847 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3848 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3849 on ADDR_EXPR.
3851 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3853 PR c++/83993
3854 * constexpr.c (diag_array_subscript): Emit different diagnostics
3855 if TYPE_DOMAIN (arraytype) is NULL.
3856 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3857 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3859 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3861 PR c++/84092
3862 * semantics.c (finish_qualified_id_expr): When handling an
3863 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3865 2018-01-31 Marek Polacek <polacek@redhat.com>
3867 PR c++/84138
3868 * cp-gimplify.c (cp_fold): Check if X is an error node before
3869 calling useless_type_conversion_p.
3871 2018-01-30 Jason Merrill <jason@redhat.com>
3873 PR c++/84091 - ICE with local class in lambda in template.
3874 * decl2.c (determine_visibility): Look for outer containing template
3875 instantiation.
3877 PR c++/84098 - ICE with lambda in template NSDMI.
3878 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3880 2018-01-29 Jason Merrill <jason@redhat.com>
3882 PR c++/68810 - wrong location for reinterpret_cast error.
3883 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3884 !dofold.
3886 2018-01-29 Marek Polacek <polacek@redhat.com>
3888 PR c++/83996
3889 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3890 => fooarray[1] in offset_int.
3892 2018-01-29 Jason Merrill <jason@redhat.com>
3894 PR c++/83942 - wrong unused warning with static_cast.
3895 * cvt.c (ocp_convert): Call mark_rvalue_use.
3897 2018-01-26 Jason Merrill <jason@redhat.com>
3899 PR c++/83956 - wrong dtor error with anonymous union
3900 * method.c (walk_field_subobs): Variant members only affect
3901 deletedness.
3902 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3904 PR c++/84036 - ICE with variadic capture.
3905 PR c++/82249
3906 * pt.c (tsubst_pack_expansion): When optimizing a simple
3907 substitution, pull a single pack expansion out of its pack.
3909 PR c++/82514 - ICE with local class in generic lambda.
3910 * pt.c (regenerated_lambda_fn_p): Remove.
3911 (enclosing_instantiation_of): Don't use it.
3912 (tsubst_function_decl): Call enclosing_instantiation_of.
3914 * pt.c (lookup_template_class_1): Add sanity check.
3915 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3917 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3919 PR c++/84031
3920 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3921 recursive calls that return ret.
3922 (cp_finish_decomp): Ignore unnamed bitfields.
3924 2018-01-23 Jason Merrill <jason@redhat.com>
3926 PR c++/82249 - wrong mismatched pack length error.
3927 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3928 unsubstituted function parameter pack.
3930 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3932 PR c++/83921
3933 * decl.c (check_for_uninitialized_const_var): Not static; add
3934 bool and tsubst_flags_t parameters; adjust to be used both in
3935 constexpr context and not.
3936 * constexpr.c (potential_constant_expression_1): Use the above.
3937 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3939 2018-01-23 Jason Merrill <jason@redhat.com>
3941 PR c++/83947 - ICE with auto declarations.
3942 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3943 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3945 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3947 PR c++/83974
3948 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3949 for pointer to member function types.
3951 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3953 PR sanitizer/83987
3954 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3955 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3957 2018-01-23 Nathan Sidwell <nathan@acm.org>
3959 PR c++/83988
3960 * pt.c (tsubst_baselink): Remove optype assert.
3961 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3963 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3965 PR c++/83958
3966 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3967 refers to incomplete type.
3969 2018-01-23 Nathan Sidwell <nathan@acm.org>
3971 Deprecate ARM-era for scope handling
3972 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3973 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3974 cleared.
3975 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3976 cleanup handling.
3977 * semantics.c (begin_for_scope): Flag_new_for_scope is
3978 boolean-like.
3979 (finish_for_stmt, begin_range_for_stmt): Likewise.
3981 2018-01-22 Jason Merrill <jason@redhat.com>
3983 PR c++/83720
3984 * decl2.c (determine_visibility): Fix template_decl handling
3985 instead of blocking it.
3987 PR c++/83720 - ICE with lambda and LTO.
3988 * decl2.c (determine_visibility): Clear template_decl for
3989 function-scope decls. Propagate anonymous linkage from containing
3990 function.
3992 2018-01-22 Marek Polacek <polacek@redhat.com>
3994 PR c++/81933
3995 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3996 split out anything.
3998 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
4000 PR c++/83895
4001 * decl.c (grokdeclarator): Don't diagnose extra parens
4002 on typedefs.
4004 2018-01-19 Jakub Jelinek <jakub@redhat.com>
4006 PR c++/81167
4007 * call.c (joust): Use TREE_TYPE (source) if source is
4008 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
4010 PR c++/83919
4011 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
4012 for direct enum init.
4013 * decl.c (reshape_init): Likewise.
4015 2018-01-19 Marek Polacek <polacek@redhat.com>
4017 * constexpr.c (fold_simple): Simplify.
4019 2018-01-18 Jason Merrill <jason@redhat.com>
4021 PR c++/83714
4022 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
4023 * pt.c (instantiation_dependent_scope_ref_p): True if
4024 any_dependent_bases_p.
4026 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
4028 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
4029 vs DECL_NONTRIVIALLY_INITIALIZED_P).
4031 2018-01-18 Jason Merrill <jason@redhat.com>
4033 PR c++/82461 - constexpr list-initialized member
4034 * constexpr.c (potential_constant_expression_1): Check
4035 TARGET_EXPR_DIRECT_INIT_P.
4037 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
4039 PR c++/81013
4040 * decl.c (xref_basetypes): Early return upon error about derived
4041 union.
4043 2018-01-18 Nathan Sidwell <nathan@acm.org>
4045 PR c++/83160
4046 * cp-tree.h (mark_use): Declare.
4047 * expr.c (mark_use): Make extern.
4048 * call.c (direct_reference_binding): Set inner conv's
4049 rvaluedness_matches_p, if it is an identity.
4050 (convert_like_real): Mark lvalue or rvalue use for identity as
4051 rvaledness_matches_p demands.
4053 2018-01-18 Jakub Jelinek <jakub@redhat.com>
4055 PR c++/83824
4056 * parser.c (attr_chainon): New function.
4057 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
4058 cp_parser_namespace_definition, cp_parser_init_declarator,
4059 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
4060 cp_parser_gnu_attributes_opt): Use it.
4061 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
4062 cp_parser_objc_struct_declaration): Likewise. Don't reset
4063 prefix_attributes if attributes is error_mark_node.
4065 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4067 PR c++/78344
4068 * decl.c (grokdeclarator): Do not append the error_mark_node
4069 due to an erroneous optional attribute-specifier-seq.
4071 2018-01-17 Jakub Jelinek <jakub@redhat.com>
4073 PR c++/83897
4074 * cp-gimplify.c (cp_maybe_instrument_return): Handle
4075 CLEANUP_POINT_EXPR.
4077 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
4079 PR c++/81054
4080 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
4081 error_mark_node when we give an error.
4082 * decl.c (cp_finish_decl): Use the latter.
4084 2018-01-17 Nathan Sidwell <nathan@acm.org>
4086 PR c++/83287
4087 * init.c (build_raw_new_expr): Scan list for lookups to keep.
4089 2018-01-17 David Malcolm <dmalcolm@redhat.com>
4091 PR c++/83814
4092 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
4093 the C++ part. If processing a template, call
4094 fold_non_dependent_expr rather than fully folding.
4096 2018-01-17 Jason Merrill <jason@redhat.com>
4098 PR c++/81067 - redundant NULL warning.
4099 * call.c (convert_like_real): Restore null_node handling.
4101 2018-01-17 Jason Merrill <jason@redhat.com>
4103 PR c++/81843 - ICE with variadic member template.
4104 PR c++/72801
4105 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
4106 template args.
4108 2018-01-17 David Malcolm <dmalcolm@redhat.com>
4110 PR c++/83799
4111 * pt.c (type_dependent_expression_p): Strip any location wrapper
4112 before testing tree codes.
4113 (selftest::test_type_dependent_expression_p): New function.
4114 (selftest::cp_pt_c_tests): Call it.
4116 2018-01-17 Nathan Sidwell <nathan@acm.org>
4118 PR c++/83739
4119 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
4120 this not a final instantiation.
4122 2018-01-16 Jason Merrill <jason@redhat.com>
4124 PR c++/83714 - ICE checking return in template.
4125 * typeck.c (check_return_expr): Call build_non_dependent_expr.
4127 2018-01-16 Jakub Jelinek <jakub@redhat.com>
4129 PR c++/83817
4130 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
4131 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
4132 instead of CALL_FROM_THUNK_P.
4134 PR c++/83825
4135 * name-lookup.c (member_vec_dedup): Return early if len is 0.
4136 (resort_type_member_vec, set_class_bindings,
4137 insert_late_enum_def_bindings): Use vec qsort method instead of
4138 calling qsort directly.
4140 2018-01-15 Martin Sebor <msebor@redhat.com>
4142 PR c++/83588
4143 * class.c (find_flexarrays): Make a record of multiple flexible array
4144 members.
4146 2018-01-12 Jason Merrill <jason@redhat.com>
4148 PR c++/83186 - ICE with static_cast of list-initialized temporary.
4149 * typeck.c (build_static_cast): Use build_non_dependent_expr.
4151 2018-01-12 Nathan Sidwell <nathan@acm.org>
4153 * cp-tree.h (mark_rvalue_use): Add parm name.
4154 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
4155 mark_rvalue_use.
4156 * call.c (convert_like_real): Fix formatting.
4158 2018-01-11 Jason Merrill <jason@redhat.com>
4160 PR c++/82728 - wrong -Wunused-but-set-variable
4161 PR c++/82799
4162 PR c++/83690
4163 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
4164 * decl.c (case_conversion): Likewise.
4165 * semantics.c (finish_static_assert): Call
4166 perform_implicit_conversion_flags.
4168 2018-01-11 Nathan Sidwell <nathan@acm.org>
4170 * method.c (enum mangling_flags): Delete long-dead enum.
4172 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4174 * parser.c (cp_parser_std_attribute_spec): When
4175 token_pair::require_open / require_close return false simply
4176 return error_mark_node, avoid duplicate cp_parser_error about
4177 expected '(' / ')', respectively.
4179 2018-01-10 David Malcolm <dmalcolm@redhat.com>
4181 PR c++/43486
4182 * call.c (null_ptr_cst_p): Strip location wrappers when
4183 converting from '0' to a pointer type in C++11 onwards.
4184 (conversion_null_warnings): Replace comparison with null_node with
4185 call to null_node_p.
4186 (build_over_call): Likewise.
4187 * cp-gimplify.c (cp_fold): Remove the early bailout when
4188 processing_template_decl.
4189 * cp-lang.c (selftest::run_cp_tests): Call
4190 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
4191 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
4192 (selftest::run_cp_tests): Move decl to bottom of file.
4193 (null_node_p): New inline function.
4194 (selftest::cp_pt_c_tests): New decl.
4195 (selftest::cp_tree_c_tests): New decl.
4196 * cvt.c (build_expr_type_conversion): Replace comparison with
4197 null_node with call to null_node_p.
4198 * error.c (args_to_string): Likewise.
4199 * except.c (build_throw): Likewise.
4200 * mangle.c (write_expression): Skip location wrapper nodes.
4201 * parser.c (literal_integer_zerop): New function.
4202 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
4203 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
4204 param of cp_parser_parenthesized_expression_list. When calling
4205 warn_for_memset, replace integer_zerop calls with
4206 literal_integer_zerop, eliminating the double logical negation
4207 cast to bool. Eliminate the special-casing for CONST_DECL in
4208 favor of the fold_for_warn within warn_for_memset.
4209 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
4210 param, defaulting to false. Convert "expr" to a cp_expr, and call
4211 maybe_add_location_wrapper on it when wrap_locations_p is true.
4212 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
4213 the result for RID_ALIGNOF and RID_SIZEOF.
4214 (cp_parser_builtin_offsetof): Likewise.
4215 * pt.c: Include "selftest.h".
4216 (tsubst_copy): Handle location wrappers.
4217 (tsubst_copy_and_build): Likewise.
4218 (build_non_dependent_expr): Likewise.
4219 (selftest::test_build_non_dependent_expr): New function.
4220 (selftest::cp_pt_c_tests): New function.
4221 * tree.c: Include "selftest.h".
4222 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4223 (selftest::test_lvalue_kind): New function.
4224 (selftest::cp_tree_c_tests): New function.
4225 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4226 (cp_build_binary_op): Replace comparison with null_node with call
4227 to null_node_p.
4228 (build_address): Use location of operand when building address
4229 expression.
4231 2018-01-10 Marek Polacek <polacek@redhat.com>
4233 PR c++/82541
4234 * call.c (build_conditional_expr_1): Check complain before warning.
4235 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4236 -Wduplicated-branches.
4238 2018-01-10 Jakub Jelinek <jakub@redhat.com>
4240 PR c++/81327
4241 * call.c (maybe_warn_class_memaccess): Add forward declaration.
4242 Change last argument from tree * to const vec<tree, va_gc> *, adjust
4243 args uses and check number of operands too. Don't strip away any
4244 nops. Use maybe_constant_value when looking for INTEGER_CST args.
4245 Deal with src argument not having pointer type. Check
4246 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
4247 test.
4248 (build_over_call): Call maybe_warn_class_memaccess here on the
4249 original arguments.
4250 (build_cxx_call): Rather than here on converted arguments.
4252 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4254 PR c++/81055
4255 * init.c (build_vec_init): Avoid building an INIT_EXPR with
4256 error_mark_node as second argument.
4258 2018-01-09 Jakub Jelinek <jakub@redhat.com>
4260 PR c++/83734
4261 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4262 in STATEMENT_LIST. Remove unneeded assert.
4264 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
4265 Alan Hayward <alan.hayward@arm.com>
4266 David Sherwood <david.sherwood@arm.com>
4268 * constexpr.c (cxx_eval_array_reference): Handle polynomial
4269 VECTOR_CST_NELTS.
4270 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4271 * call.c (build_conditional_expr_1): Likewise.
4272 * decl.c (cp_finish_decomp): Likewise.
4273 * mangle.c (write_type): Likewise.
4274 * typeck.c (structural_comptypes): Likewise.
4275 (cp_build_binary_op): Likewise.
4276 * typeck2.c (process_init_constructor_array): Likewise.
4278 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4280 PR c++/83555
4281 * typeck.c (build_static_cast_1): For static casts to reference types,
4282 call build_base_path with flag_delete_null_pointer_checks as nonnull
4283 instead of always false. When -fsanitize=null, call
4284 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4285 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4286 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4288 2018-01-03 Nathan Sidwell <nathan@acm.org>
4290 PR c++/83667
4291 * method.c (make_alias_for): Copy DECL_CONTEXT.
4293 2018-01-03 Marek Polacek <polacek@redhat.com>
4295 PR c++/83592
4296 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4298 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4300 PR preprocessor/83602
4301 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4302 for builtin macros.
4304 PR c++/83634
4305 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4306 error_mark_node, return error_mark_node.
4308 Update copyright years.
4310 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4312 PR c++/83556
4313 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4314 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4315 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4316 to false and return.
4317 (replace_placeholders): Pass NULL instead of &pset as last argument
4318 to cp_walk_tree.
4320 2018-01-02 Nathan Sidwell <nathan@acm.org>
4322 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4323 lval var.
4324 \f
4325 Copyright (C) 2018 Free Software Foundation, Inc.
4327 Copying and distribution of this file, with or without modification,
4328 are permitted in any medium without royalty provided the copyright
4329 notice and this notice are preserved.