| blob | c04dbe840057394c2789be0159dab0a7d277e724 |
1 2018-10-17 David Malcolm <dmalcolm@redhat.com>
3 * Make-lang.in (selftest-c++): New.
4 (CPP_SELFTEST_FLAGS, CPP_SELFTEST_DEPS, s-selftest-c++)
5 (selftest-c++-gdb, selftest-c++-valgrind): Move here from
6 gcc/Makefile.in.
8 2018-10-17 Paolo Carlini <paolo.carlini@oracle.com>
10 PR c++/84705
11 * tree.c (build_cplus_new): Avoid duplicate diagnostic about
12 incomplete type, early return error_mark_node if the second
13 argument is error_mark_node.
15 2018-10-12 Nathan Sidwell <nathan@acm.org>
17 * parser.h (struct cp_parser): Drop implicit_extern_c.
18 * parser.c (cp_debug_parser): Drop implicit_extern_c.
19 (cp_parser_new): Likewise.
20 (cp_parser_translation_unit): Handle implicit extern c here. Call
21 cp_parser_toplevel_declaration.
22 (cp_parser_toplevel_declaration): New, broken out of ...
23 (cp_parser_declaration_seq_opt): ... here. Call it. Drop
24 implicit extern C handling.
26 2018-10-11 Will Wray <wjwray@gmail.com>
28 PR c++/87364
29 * cxx-pretty-print.c (pp_cxx_enumeration_constant): New function.
30 (cxx_pretty_printer::constant): Use it.
32 2018-10-11 David Malcolm <dmalcolm@redhat.com>
34 PR c++/84993
35 * call.c (enforce_access): Move diagnostics to...
36 (complain_about_access): ...this new function.
37 * cp-tree.h (class access_failure_info): Rename split out field
38 "m_field_decl" into "m_decl" and "m_diag_decl".
39 (access_failure_info::record_access_failure): Add tree param.
40 (access_failure_info::was_inaccessible_p): New accessor.
41 (access_failure_info::get_decl): New accessor.
42 (access_failure_info::get_diag_decl): New accessor.
43 (access_failure_info::get_any_accessor): New member function.
44 (access_failure_info::add_fixit_hint): New static member function.
45 (complain_about_access): New decl.
46 * typeck.c (access_failure_info::record_access_failure): Update
47 for change to fields.
48 (access_failure_info::maybe_suggest_accessor): Split out into...
49 (access_failure_info::get_any_accessor): ...this new function...
50 (access_failure_info::add_fixit_hint): ...and this new function.
51 (finish_class_member_access_expr): Split out "has no member named"
52 error-handling into...
53 (complain_about_unrecognized_member): ...this new function, and
54 check that the guessed name is accessible along the access path.
55 Only provide a spell-correction fix-it hint if it is; otherwise,
56 attempt to issue an accessor fix-it hint.
58 2018-10-11 Nathan Sidwell <nathan@acm.org>
60 * parser.c (cp_parser_translation_unit): Return void. Don't fail
61 at first extra }, simplify logic.
62 (c_parse_file): Call finish_translation_unit here.
64 2018-10-11 Jakub Jelinek <jakub@redhat.com>
66 PR c++/87582
67 * typeck.c (maybe_warn_about_returning_address_of_local): If
68 whats_returned is a structured binding identifier and the structured
69 binding is a reference, recurse on its initializer.
71 PR c++/87547
72 * rtti.c (get_tinfo_decl_dynamic): Use unlowered_expr_type instead
73 of TREE_TYPE.
75 2018-10-10 Marek Polacek <polacek@redhat.com>
77 PR c++/87567 - constexpr rejects call to non-constexpr function.
78 * constexpr.c (potential_constant_expression_1) <case FOR_STMT>: Return
79 true if the condition is always false.
80 <case WHILE_STMT>: Likewise.
82 2018-10-09 Paolo Carlini <paolo.carlini@oracle.com>
84 PR c++/84423
85 * pt.c (convert_template_argument): Immediately return error_mark_node
86 if the second argument is erroneous.
87 * parser.c (cp_parser_type_id): Add location_t * parameter.
88 (cp_parser_type_id_1): Likewise.
89 (cp_parser_alias_declaration): Adjust cp_parser_type_id call,
90 obtain the location of the type and save it.
91 (cp_parser_template_type_arg): Adjust.
92 (cp_parser_trailing_type_id): Likewise.
93 * decl.c (grokdeclarator): Improve error message for 'auto' in
94 alias declaration.
96 2018-10-08 Paolo Carlini <paolo.carlini@oracle.com>
98 PR c++/71128
99 * pt.c (do_decl_instantiation): Per 12.6.8/5, a concept cannot be
100 explicitly instantiated.
102 2018-10-05 David Malcolm <dmalcolm@redhat.com>
104 PR c++/56856
105 * call.c (build_over_call): Build a vec of locations of the
106 arguments before the call to maybe_constant_value, and pass to
107 check_function_arguments.
108 * cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
109 c_get_substring_location.
110 * parser.c (cp_parser_string_literal): Capture string
111 concatenation locations.
113 2018-10-04 Nathan Sidwell <nathan@acm.org>
115 * lang-specs.h: Use string contatenation, not line splicing.
117 2018-10-03 Jason Merrill <jason@redhat.com>
119 Implement P0840, language support for empty objects.
120 * tree.c (handle_no_unique_addr_attribute): New.
121 (cxx_attribute_table): Add [[no_unique_address]].
122 * class.c (field_poverlapping_p): New.
123 (layout_class_type): Check it. Adjust DECL_SIZE of potentially
124 overlapping fields.
125 (layout_empty_base_or_field): Rename from layout_empty_base, handle
126 FIELD_DECL as well.
127 (build_base_field, record_subobject_offsets): Adjust.
129 2018-10-03 Martin Liska <mliska@suse.cz>
131 PR gcov-profile/86109
132 * parser.c (cp_parser_lambda_declarator_opt):
133 Set DECL_LAMBDA_FUNCTION for lambdas.
135 2018-10-02 Richard Biener <rguenther@suse.de>
137 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
139 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
140 Pierre-Marie de Rodat <derodat@adacore.com>
142 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
144 2018-09-28 Richard Biener <rguenther@suse.de>
146 * error.c (cp_print_error_function): Simplify by eliding
147 the BLOCK_ABSTRACT_ORIGIN chasing.
149 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
151 PR c++/84940
152 * semantics.c (finish_unary_op_expr): Check return value of
153 build_x_unary_op for error_mark_node.
155 2018-09-25 Jakub Jelinek <jakub@redhat.com>
157 PR c++/87398
158 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
159 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
161 2018-09-25 Martin Liska <mliska@suse.cz>
163 * name-lookup.c (namespace_scope_ht_size): Remove
164 unused function.
165 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
167 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
169 PR c++/85070
170 * method.c (lazily_declare_fn): During error-recovery add_method
171 may return false.
173 2018-09-21 Marek Polacek <polacek@redhat.com>
175 PR c++/87372 - __func__ constexpr evaluation.
176 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
177 cxx_eval_outermost_constant_expr.
179 2018-09-20 Marek Polacek <polacek@redhat.com>
181 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
182 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
183 check to only return if we're converting the return value to a base
184 class.
186 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
188 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
190 2018-09-20 Jason Merrill <jason@redhat.com>
192 PR c++/87075 - ICE with constexpr array initialization.
193 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
195 2018-09-19 Marek Polacek <polacek@redhat.com>
197 Add -Wclass-conversion.
198 * decl.c (grok_op_properties): Change a warning from -Wconversion to
199 -Wclass-conversion. Make it print the types.
201 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
203 PR c++/87324
204 * parser.c (cp_parser_initializer_list): Assign error_mark_node
205 to the index upon error.
207 2018-09-19 Marek Polacek <polacek@redhat.com>
209 PR c++/87357 - missing -Wconversion warning
210 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
211 a conversion to a reference to void. Use
212 same_type_ignoring_top_level_qualifiers_p rather than comparing types
213 directly.
215 2018-09-18 Marek Polacek <polacek@redhat.com>
217 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
218 * call.c (build_over_call): No longer check if we're outside a template
219 function.
220 * class.c (build_vtbl_initializer): Build vtable's constructor with
221 indexes.
222 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
223 initializer. Handle OBJ_TYPE_REF.
224 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
225 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
226 (initialize_artificial_var): Mark the variable as constexpr.
227 (grokdeclarator): Change error to pedwarn. Only warn when
228 pedantic and not C++2a.
230 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
232 PR c++/85065
233 * cp-tree.h (NON_ERROR): New.
234 * pt.c (auto_hash::hash): Use it.
235 (do_auto_deduction): Likewise.
237 2018-09-18 Nathan Sidwell <nathan@acm.org>
239 PR c++/86881
240 * name-lookup.c (check_local_shadow): Ignore auto types.
242 2018-09-17 David Malcolm <dmalcolm@redhat.com>
244 * error.c (range_label_for_type_mismatch::get_text): Update for
245 new param.
247 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
249 * typeck2.c (digest_init_r): Fix overlength strings.
251 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
253 PR c++/87093
254 * method.c (constructible_expr): We're in an unevaluated context
255 in all cases, not just for class targets.
257 2018-09-12 David Malcolm <dmalcolm@redhat.com>
259 PR c++/85110
260 * call.c (struct conversion_info): Add "loc" field.
261 (arg_conversion_rejection): Add "loc" param, using it to
262 initialize the new field.
263 (bad_arg_conversion_rejection): Likewise.
264 (explicit_conversion_rejection): Initialize the new field to
265 UNKNOWN_LOCATION.
266 (template_conversion_rejection): Likewise.
267 (add_function_candidate): Pass on the argument location to the new
268 param of arg_conversion_rejection.
269 (add_conv_candidate): Likewise.
270 (build_builtin_candidate): Likewise.
271 (build_user_type_conversion_1): Likewise.
272 (single_z_candidate): New function.
273 (maybe_get_bad_conversion_for_unmatched_call): New function.
274 (complain_about_bad_argument): New function, based on part of
275 convert_for_assignment.
276 (build_new_method_call_1): Split out handling of the "no viable
277 candidates" case into...
278 (complain_about_no_candidates_for_method_call): ...this new
279 function, and use the new functions above to special-case the
280 handling of a single non-viable candidate due to a bad argument.
281 * cp-tree.h (complain_about_bad_argument): New decl.
282 * typeck.c (convert_for_assignment): Split out one error-handling
283 case into complain_about_bad_argument.
285 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
286 Julian Brown <julian@codesourcery.com>
288 PR middle-end/86336
289 * semantics.c (finish_omp_clauses): Treat C++ references the same in
290 OpenACC as OpenMP.
292 2018-08-28 Martin Liska <mliska@suse.cz>
294 * constexpr.c (cxx_eval_call_expression): Add quotes
295 to -fconstexpr-depth=.
297 2018-09-10 Marek Polacek <polacek@redhat.com>
299 * class.c (build_vtbl_ref): Remove.
300 (build_vtbl_ref_1): Rename to build_vtbl_ref.
301 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
303 2018-09-08 Marek Polacek <polacek@redhat.com>
305 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
306 * call.c (struct conversion): Update commentary.
307 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
308 for ck_base.
310 2018-09-08 Jason Merrill <jason@redhat.com>
312 PR c++/86678 - constexpr function with non-constant after return.
313 * constexpr.c (potential_constant_expression_1): Add jump_target.
314 (breaks): Check for BREAK_STMT.
315 (continues): Check for CONTINUE_STMT.
317 2018-09-08 Marek Polacek <polacek@redhat.com>
319 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
320 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
322 2018-09-07 Marek Polacek <polacek@redhat.com>
324 PR c++/87152 - range-based for loops with initializer broken in templates.
325 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
326 Recur into RANGE_FOR_INIT_STMT.
327 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
328 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
329 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
330 RANGE_FOR_INIT_STMT.
331 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
332 RANGE_FOR_INIT_STMT.
333 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
334 Do put the init statement in RANGE_FOR_INIT_STMT.
335 (finish_range_for_decl): Pop it for templates.
337 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
339 * decl.c (check_initializer): Call cp_complete_array_type.
341 2018-09-05 Marek Polacek <polacek@redhat.com>
343 PR c++/87109, wrong overload with ref-qualifiers.
344 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
345 out if performing the maybe-rvalue overload resolution and a conversion
346 function is getting called.
348 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
349 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
350 to std::move or std::forward.
351 (is_std_forward_p): New function.
353 2018-09-05 Pádraig Brady <p@draigbrady.com>
355 PR c++/87185
356 * lambda.c (prune_lambda_captures): Protect against const_vars.get
357 returning NULL.
359 2018-09-04 Marek Polacek <polacek@redhat.com>
361 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
362 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
363 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
364 parameter.
365 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
366 (check_return_expr): Likewise.
368 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
370 PR c++/84980
371 * constraint.cc (finish_shorthand_constraint): Early return if the
372 constraint is erroneous.
374 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
376 * decl.c (eval_check_narrowing): Remove.
377 (check_initializer): Move call to braced_list_to_string from here ...
378 * typeck2.c (store_init_value): ... to here.
379 (digest_init_r): Remove handing of signed/unsigned char strings.
381 2018-08-31 Nathan Sidwell <nathan@acm.org>
383 PR c++/87155
384 PR c++/84707
385 * name-lookup.c (name_lookup::search_namespace): Don't look at
386 inlines when searching for NULL names.
388 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
389 of return types and parms.
390 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
391 '()' always means '(void)'.
393 2018-08-29 Jakub Jelinek <jakub@redhat.com>
395 PR c++/87095
396 * decl.c (begin_destructor_body): If current_class_type has
397 virtual bases and the primary base is nearly empty virtual base,
398 voidify clearing of vptr and make it conditional on in-charge
399 argument.
401 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
403 PR c++/85265
404 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
405 returns error_mark_node early exit the loop.
406 (cp_parser_template_introduction): Improve error-recovery, remove
407 error call about empty introduction-list.
409 2018-08-29 David Malcolm <dmalcolm@redhat.com>
411 PR c++/85110
412 * call.c (print_conversion_rejection): Add "fn" param and use it
413 for "no known conversion" messages to underline the pertinent
414 param.
415 (print_z_candidate): Supply "fn" to the new param above.
417 2018-08-29 Jakub Jelinek <jakub@redhat.com>
419 PR c++/87122
420 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
421 processing_template_decl and decl is structured binding decl, call
422 cp_finish_decomp.
424 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
426 PR c++/86546
427 * decl.c (finish_case_label): If the type is erroneous early
428 return error_mark_node.
430 2018-08-27 David Malcolm <dmalcolm@redhat.com>
432 PR c++/63392
433 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
434 hint.
436 2018-08-27 Jakub Jelinek <jakub@redhat.com>
438 PR c++/86993
439 * cp-tree.h (cxx_readonly_error): Add location_t argument.
440 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
441 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
442 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
443 pass LOC to it. Formatting fixes.
444 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
445 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
446 * semantics.c (finish_asm_stmt): Pass input_location to
447 cxx_readonly_error.
449 2018-08-27 David Malcolm <dmalcolm@redhat.com>
451 PR c++/87091
452 * decl.c (grokdeclarator): Update for conversion of show_caret_p
453 to a tri-state.
454 * error.c (cp_printer): Likewise.
455 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
456 maybe_add_include_fixit to suggest overriding the location, as it
457 is for a note.
458 * parser.c (cp_parser_string_literal): Update for conversion of
459 show_caret_p to a tri-state.
460 (cp_parser_elaborated_type_specifier): Likewise.
461 (set_and_check_decl_spec_loc): Likewise.
462 * pt.c (listify): Update call to maybe_add_include_fixit to not
463 override the location, as it is for an error.
464 * rtti.c (typeid_ok_p): Likewise.
466 2018-08-27 Martin Liska <mliska@suse.cz>
468 * call.c (build_call_a): Use new function
469 fndecl_built_in_p and remove check for FUNCTION_DECL if
470 possible.
471 (build_cxx_call): Likewise.
472 * constexpr.c (constexpr_fn_retval): Likewise.
473 (cxx_eval_builtin_function_call): Likewise.
474 (cxx_eval_call_expression): Likewise.
475 (potential_constant_expression_1): Likewise.
476 * cp-gimplify.c (cp_gimplify_expr): Likewise.
477 (cp_fold): Likewise.
478 * decl.c (decls_match): Likewise.
479 (validate_constexpr_redeclaration): Likewise.
480 (duplicate_decls): Likewise.
481 (make_rtl_for_nonlocal_decl): Likewise.
482 * name-lookup.c (consider_binding_level): Likewise.
483 (cp_emit_debug_info_for_using): Likewise.
484 * semantics.c (finish_call_expr): Likewise.
485 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
487 2018-08-26 Marek Polacek <polacek@redhat.com>
489 PR c++/87080
490 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
492 PR c++/87029, Implement -Wredundant-move.
493 * typeck.c (treat_lvalue_as_rvalue_p): New function.
494 (maybe_warn_pessimizing_move): Call convert_from_reference.
495 Warn about redundant moves.
497 2018-08-24 Marek Polacek <polacek@redhat.com>
499 PR c++/67012
500 PR c++/86942
501 * decl.c (grokdeclarator): Disallow functions with trailing return
502 type with decltype(auto) as its type. Also check the function if
503 it's inner declarator doesn't exist
505 2018-08-21 Marek Polacek <polacek@redhat.com>
507 PR c++/86499
508 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
509 lambda has a capture-default.
511 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
513 * decl.c (check_static_variable_definition): Change to return void.
515 2018-08-21 Marek Polacek <polacek@redhat.com>
517 PR c++/86981, Implement -Wpessimizing-move.
518 * typeck.c (decl_in_std_namespace_p): New.
519 (is_std_move_p): New.
520 (maybe_warn_pessimizing_move): New.
521 (can_do_nrvo_p): New, factored out of ...
522 (check_return_expr): ... here. Warn about potentially harmful
523 std::move in a return statement.
525 PR c++/65043
526 * call.c (standard_conversion): Set check_narrowing.
527 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
528 than comparing with INTEGER_TYPE.
530 * cp-tree.h: Fix typo.
532 2018-08-20 David Malcolm <dmalcolm@redhat.com>
534 PR other/84889
535 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
536 instance(s).
537 (print_error_for_call_failure): Likewise.
538 (build_op_call_1): Likewise.
539 (build_conditional_expr_1): Likewise.
540 (build_new_op_1): Likewise.
541 (build_op_delete_call): Likewise.
542 (convert_like_real): Likewise.
543 (build_over_call): Likewise.
544 (build_new_method_call_1): Likewise.
545 (joust): Likewise.
546 * class.c (check_tag): Likewise.
547 (finish_struct_anon_r): Likewise.
548 (one_inherited_ctor): Likewise.
549 (finalize_literal_type_property): Likewise.
550 (explain_non_literal_class): Likewise.
551 (find_flexarrays): Likewise.
552 (resolve_address_of_overloaded_function): Likewise.
553 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
554 (is_valid_constexpr_fn): Likewise.
555 (cx_check_missing_mem_inits): Likewise.
556 * cp-gimplify.c (cp_genericize_r): Likewise.
557 * cvt.c (maybe_warn_nodiscard): Likewise.
558 * decl.c (warn_extern_redeclared_static): Likewise.
559 (check_redeclaration_exception_specification): Likewise.
560 (check_no_redeclaration_friend_default_args): Likewise.
561 (duplicate_decls): Likewise.
562 (redeclaration_error_message): Likewise.
563 (warn_misplaced_attr_for_class_type): Likewise.
564 * decl2.c (finish_static_data_member_decl): Likewise.
565 (no_linkage_error): Likewise.
566 (cp_warn_deprecated_use): Likewise.
567 * error.c (qualified_name_lookup_error): Likewise.
568 * friend.c (make_friend_class): Likewise.
569 (do_friend): Likewise.
570 * init.c (perform_member_init): Likewise.
571 (build_new_1): Likewise.
572 (build_vec_delete_1): Likewise.
573 (build_delete): Likewise.
574 * lex.c (unqualified_name_lookup_error): Likewise.
575 * name-lookup.c (check_extern_c_conflict): Likewise.
576 (inform_shadowed): New function.
577 (check_local_shadow): Add auto_diagnostic_group instances,
578 replacing goto "inform_shadowed" label with call to subroutine.
579 (set_local_extern_decl_linkage): Add auto_diagnostic_group
580 instance(s).
581 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
582 (cp_parser_namespace_name): Likewise.
583 * pt.c (check_specialization_namespace): Likewise.
584 (check_template_variable): Likewise.
585 (warn_spec_missing_attributes): Likewise.
586 (check_explicit_specialization): Likewise.
587 (process_partial_specialization): Likewise.
588 (lookup_template_class_1): Likewise.
589 (finish_template_variable): Likewise.
590 (do_auto_deduction): Likewise.
591 * search.c (check_final_overrider): Likewise.
592 (look_for_overrides_r): Likewise.
593 * tree.c (maybe_warn_parm_abi): Likewise.
594 * typeck.c (cxx_sizeof_expr): Likewise.
595 (cp_build_function_call_vec): Likewise.
596 (cp_build_binary_op): Likewise.
597 (convert_for_assignment): Likewise.
598 (maybe_warn_about_returning_address_of_local): Likewise.
599 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
600 (check_narrowing): Likewise.
602 2018-08-17 David Malcolm <dmalcolm@redhat.com>
604 * typeck.c (string_conv_p): Extract location from EXP and use it
605 in preference to input_location when issuing warnings.
607 2018-08-15 David Malcolm <dmalcolm@redhat.com>
609 * call.c: Include "gcc-rich-location.h".
610 (convert_like_real): Add range label for "invalid conversion"
611 diagnostic.
612 (perform_implicit_conversion_flags): Add type label to the
613 "could not convert" error.
614 * error.c: Include "gcc-rich-location.h".
615 (range_label_for_type_mismatch::get_text): New function.
616 * typeck.c (convert_for_assignment): Add type label to
617 the "cannot convert" error if a location is available.
619 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
621 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
622 emit an error instead of a permerror.
624 2018-08-13 Marek Polacek <polacek@redhat.com>
626 PR c++/57891
627 * call.c (struct conversion): Add check_narrowing_const_only.
628 (build_converted_constant_expr): Set check_narrowing and
629 check_narrowing_const_only. Give error if expr is error node.
630 (convert_like_real): Pass it to check_narrowing.
631 * cp-tree.h (check_narrowing): Add a default parameter.
632 * decl.c (compute_array_index_type): Use input_location instead of
633 location_of.
634 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
635 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
636 expressions. Call maybe_constant_value instead of
637 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
638 narrowing for constants if CONST_ONLY.
640 2018-08-13 Martin Sebor <msebor@redhat.com>
642 PR tree-optimization/71625
643 * decl.c (check_initializer): Call braced_list_to_string.
644 (eval_check_narrowing): New function.
645 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
646 as initilizers for all narrow character types.
648 2018-08-13 Marek Polacek <polacek@redhat.com>
650 P0806R2 - Deprecate implicit capture of this via [=]
651 * lambda.c (add_default_capture): Formatting fixes. Warn about
652 deprecated implicit capture of this via [=].
654 PR c++/86915
655 * decl.c (create_array_type_for_decl): Handle null name.
657 2018-08-10 Jason Merrill <jason@redhat.com>
659 PR c++/86728 - C variadic generic lambda.
660 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
661 a pack if it's followed by a declarator-id.
663 2018-08-08 Jakub Jelinek <jakub@redhat.com>
665 P0595R1 - is_constant_evaluated
666 * cp-tree.h (enum cp_built_in_function): New.
667 (maybe_constant_init): Add pretend_const_required argument.
668 * typeck2.c (store_init_value): Pass true as new argument to
669 maybe_constant_init.
670 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
671 for BUILT_IN_UNREACHABLE.
672 (struct constexpr_ctx): Add pretend_const_required field.
673 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
674 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
675 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
676 (cxx_eval_outermost_constant_expr): Add pretend_const_required
677 argument, initialize pretend_const_required field in ctx. If the
678 result is TREE_CONSTANT and non_constant_p, retry with
679 pretend_const_required false if it was true.
680 (is_sub_constant_expr): Initialize pretend_const_required_field in
681 ctx.
682 (cxx_constant_value): Pass true as pretend_const_required to
683 cxx_eval_outermost_constant_expr.
684 (maybe_constant_value): Pass false as pretend_const_required to
685 cxx_eval_outermost_constant_expr.
686 (fold_non_dependent_expr): Likewise.
687 (maybe_constant_init_1): Add pretend_const_required argument, pass it
688 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
689 instead of false as strict to cxx_eval_outermost_constant_expr.
690 (maybe_constant_init): Add pretend_const_required argument, pass it
691 down to maybe_constant_init_1.
692 (cxx_constant_init): Pass true as pretend_const_required to
693 maybe_constant_init_1.
694 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
695 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
696 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
697 * decl.c: Include langhooks.h.
698 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
699 built-in.
700 * tree.c (builtin_valid_in_constant_expr_p): Return true for
701 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
702 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
704 PR c++/86836
705 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
706 before tsubst_init, not after it.
708 PR c++/86738
709 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
710 NULL pointer set *non_constant_p to true.
711 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
712 set *non_constant_p to true and return t.
714 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
716 PR c++/59480, DR 136
717 * decl.c (check_no_redeclaration_friend_default_args): New.
718 (duplicate_decls): Use the latter; also check that a friend
719 declaration specifying default arguments is a definition.
721 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
723 PR c++/79133
724 * name-lookup.c (check_local_shadow): Reject captures and parameters
725 with the same name.
727 2018-08-06 Marek Polacek <polacek@redhat.com>
729 PR c++/86767
730 * constexpr.c (cxx_eval_statement_list): Handle continue.
732 2018-08-03 David Malcolm <dmalcolm@redhat.com>
733 Jonathan Wakely <jwakely@redhat.com>
735 * decl.c: Include "gcc-rich-location.h".
736 (add_return_star_this_fixit): New function.
737 (finish_function): When warning about missing return statements in
738 functions returning non-void, add a "return *this;" fix-it hint for
739 assignment operators.
741 2018-08-03 Jason Merrill <jason@redhat.com>
743 PR c++/86706
744 * class.c (build_base_path): Use currently_open_class.
746 2018-08-02 David Malcolm <dmalcolm@redhat.com>
748 * error.c (cxx_print_error_function): Duplicate "file" before
749 passing it to pp_set_prefix.
750 (cp_print_error_function): Use pp_take_prefix when saving the
751 existing prefix.
753 2018-08-02 Richard Biener <rguenther@suse.de>
755 PR c++/86763
756 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
757 to the CLASSTYPE_AS_BASE.
759 2018-08-01 Martin Sebor <msebor@redhat.com>
761 PR tree-optimization/86650
762 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
763 TREE_BLOCK (t) from within percent_K_format to this callsite.
765 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
767 PR c++/86661
768 * class.c (note_name_declared_in_class): Use location_of in permerror
769 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
771 2018-07-31 Tom de Vries <tdevries@suse.de>
773 PR debug/86687
774 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
776 2018-07-31 Jakub Jelinek <jakub@redhat.com>
778 P1008R1 - prohibit aggregates with user-declared constructors
779 * class.c (check_bases_and_members): For C++2a set
780 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
781 type_has_user_provided_or_explicit_constructor.
783 2018-07-31 Martin Liska <mliska@suse.cz>
785 PR c++/86653
786 * parser.c (cp_parser_condition): Initialize non_constant_p
787 to false.
789 2018-07-28 David Malcolm <dmalcolm@redhat.com>
791 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
792 into alphabetical order, and add missing "%G" and "%K". Within
793 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
794 cases are in alphabetical order.
796 2018-07-25 Jakub Jelinek <jakub@redhat.com>
798 * cp-tree.h (enum cp_tree_index): Add
799 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
800 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
801 (abi_tag_identifier, aligned_identifier, begin_identifier,
802 end_identifier, get__identifier, gnu_identifier,
803 tuple_element_identifier, tuple_size_identifier, type_identifier,
804 value_identifier, fun_identifier, closure_identifier): Define.
805 * decl.c (initialize_predefined_identifiers): Initialize the above
806 identifiers.
807 (get_tuple_size): Use tuple_size_identifier instead of
808 get_identifier ("tuple_size") and value_identifier instead of
809 get_identifier ("value").
810 (get_tuple_element_type): Use tuple_element_identifier instead of
811 get_identifier ("tuple_element") and type_identifier instead of
812 get_identifier ("type").
813 (get_tuple_decomp_init): Use get__identifier instead of
814 get_identifier ("get").
815 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
816 get_identifier ("_FUN").
817 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
818 instead of get_identifier ("__closure").
819 (cp_parser_std_attribute): Use gnu_identifier instead of
820 get_identifier ("gnu").
821 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
822 instead of get_identifier ("aligned").
823 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
824 abi_tag_identifier instead of get_identifier ("abi_tag").
826 PR c++/85515
827 * cp-tree.h (enum cp_tree_index): Add
828 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
829 (for_range__identifier, for_begin__identifier, for_end__identifier,
830 for_range_identifier, for_begin_identifier, for_end_identifier):
831 Define.
832 * decl.c (initialize_predefined_identifiers): Initialize
833 for_{range,begin,end}{,_}_identifier.
834 * parser.c (build_range_temp): Use for_range__identifier instead of
835 get_identifier ("__for_range").
836 (cp_convert_range_for): Use for_begin__identifier and
837 for_end__identifier instead of get_identifier ("__for_begin") and
838 get_identifier ("__for_end").
839 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
840 local symbols to "__for_{range,begin,end}".
842 2018-07-23 Jakub Jelinek <jakub@redhat.com>
844 PR c++/86569
845 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
846 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
847 or warn_nonnull_compare.
849 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
851 Revert fix for c++/59480 (and testsuite followup)
853 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
855 PR c++/59480, DR 136
856 * decl.c (check_no_redeclaration_friend_default_args): New.
857 (duplicate_decls): Use the latter; also check that a friend
858 declaration specifying default arguments is a definition.
860 2018-07-18 Jakub Jelinek <jakub@redhat.com>
862 PR c++/86550
863 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
864 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
866 2018-07-18 Marek Polacek <polacek@redhat.com>
868 PR c++/86190 - bogus -Wsign-conversion warning
869 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
870 sentinel.
872 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
874 PR c++/59480, DR 136
875 * decl.c (check_no_redeclaration_friend_default_args): New.
876 (duplicate_decls): Use the latter; also check that a friend
877 declaration specifying default arguments is a definition.
879 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
881 * class.c (note_name_declared_in_class): Prefer permerror + inform
882 to a pair of permerrors; use DECL_SOURCE_LOCATION.
884 2018-07-18 Richard Biener <rguenther@suse.de>
886 PR debug/86523
887 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
888 start_static_storage_duration_function sets current_function_decl.
890 2018-07-17 Jason Merrill <jason@redhat.com>
892 PR c++/86480 - nested variadic lambda and constexpr if.
893 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
894 IF_STMT_EXTRA_ARGS.
895 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
896 cp_unevaluated_operand.
897 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
899 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
901 * class.c (resolve_address_of_overloaded_function): Don't emit an
902 inform if the matching permerror returns false.
903 * pt.c (check_specialization_namespace): Likewise.
905 2018-07-16 Jakub Jelinek <jakub@redhat.com>
907 PR c++/3698
908 PR c++/86208
909 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
910 in TREE_USED flag from stmt to h->to.
912 2018-07-13 Nathan Sidwell <nathan@acm.org>
914 PR c++/86374
915 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
916 contexts that are classes.
917 * parser.c (cp_parser_template_id): Combine entering_scope decl &
918 initializer.
920 2018-07-12 Jakub Jelinek <jakub@redhat.com>
922 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
923 type here, instead add "omp declare target implicit" attribute. Add
924 that attribute instead of "omp declare target" also when
925 processing_template_decl.
926 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
927 and before calling cp_omp_mappable_type call complete_type.
929 2018-07-10 Jakub Jelinek <jakub@redhat.com>
931 PR sanitizer/86406
932 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
933 DEBUG_BEGIN_STMTs.
935 PR c++/86443
936 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
937 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
938 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
939 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
940 TREE_LIST for both the original class iterator and the "last" helper
941 var.
943 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
945 * decl.c (grokdeclarator): Use rich_location::add_range in three
946 more places; include gcc-rich-location.h.
948 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
950 * decl.c (build_enumerator): Change overflow type to overflow_type.
951 * init.c (build_new_1): Same.
953 2018-07-05 Nathan Sidwell <nathan@acm.org>
955 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
956 NO_IMPLICIT_EXTERN_C.
957 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
959 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
961 PR c++/86398
962 * method.c (is_trivially_xible): Return false
963 if is_xible_helper returns a NULL_TREE.
965 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
967 * decl.c (min_location): New.
968 (smallest_type_quals_location): Use the latter.
969 (check_concept_fn): Use DECL_SOURCE_LOCATION.
970 (grokdeclarator): Use accurate locations in a number of error
971 messages involving ds_thread, ds_storage_class, ds_virtual,
972 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
974 2018-07-03 Marek Polacek <polacek@redhat.com>
976 PR c++/86201
977 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
979 2018-07-03 Jason Merrill <jason@redhat.com>
981 PR c++/86378 - functional cast in noexcept-specifier.
982 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
984 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
986 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
987 in error message about __thread and thread_local at the same time.
989 2018-06-29 Marek Polacek <polacek@redhat.com>
991 PR c++/86184
992 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
994 2018-06-28 David Malcolm <dmalcolm@redhat.com>
996 * parser.c (cp_parser_error_1): After issuing a conflict marker
997 error, consume tokens until the end of the source line.
999 2018-06-28 Jason Merrill <jason@redhat.com>
1001 PR c++/86342 - -Wdeprecated-copy and system headers.
1002 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
1003 in system headers.
1005 2018-06-27 David Malcolm <dmalcolm@redhat.com>
1007 PR c++/86329
1008 * name-lookup.c (consider_binding_level): Filter out names that
1009 match anon_aggrname_p.
1011 2018-06-27 Jason Merrill <jason@redhat.com>
1013 * name-lookup.c (do_pushtag): If we skip a class level, also skip
1014 its template level.
1016 2018-06-26 Jason Merrill <jason@redhat.com>
1018 PR c++/86320 - memory-hog with std::array of pair
1019 * typeck2.c (process_init_constructor_array): Only compute a
1020 constant initializer once.
1022 PR c++/80290 - memory-hog with std::pair.
1023 * pt.c (fn_type_unification): Add convs parameter.
1024 (check_non_deducible_conversion): Remember conversion.
1025 (check_non_deducible_conversions): New. Do checks here.
1026 (type_unification_real): Not here. Remove flags parm.
1027 * call.c (add_function_candidate): Make convs a parameter.
1028 Don't recalculate the conversion if it's already set.
1029 (add_template_candidate_real): Allocate convs here.
1030 (good_conversion, conv_flags): New.
1032 2018-06-26 Jakub Jelinek <jakub@redhat.com>
1034 PR c++/86291
1035 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
1036 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
1038 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
1040 * decl.c (bad_specifiers): Add const location_t* parameter and
1041 use locations in error messages about 'inline' and 'virtual'.
1042 (mark_inline_variable): Add location_t parameter and use it in
1043 error_at and pedwarn messages.
1044 (grokdeclarator): Use declspecs->locations[ds_constexpr],
1045 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
1046 declspecs->locations[ds_inline] in many error messages; adjust
1047 bad_specifiers and mark_inline_variable calls.
1048 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
1050 2018-06-22 Jason Merrill <jason@redhat.com>
1052 PR c++/86219 - ICE with erroneous initializer in template.
1053 * constexpr.c (fold_non_dependent_expr): Add complain parm.
1054 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
1055 Pass it.
1056 * call.c (build_cxx_call): Don't mess with builtins in a template.
1057 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
1058 produce a constant value, go back to the uninstantiated form.
1060 Avoid taking the address of something just because it's in parens.
1061 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
1062 (cxx_fold_indirect_ref): Use it.
1063 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
1064 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
1065 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
1066 static_cast to reference type.
1067 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
1069 2018-06-21 Jason Merrill <jason@redhat.com>
1071 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
1073 * name-lookup.c (do_push_to_top_level): Don't allocate
1074 current_lang_base.
1075 (do_pop_from_top_level): Release current_lang_base.
1077 Let -fmem-report see callers of cxx_make_type.
1078 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
1079 (make_class_type): Likewise.
1080 (cxx_make_type_hook): New.
1081 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
1083 2018-06-20 Nathan Sidwell <nathan@acm.org>
1085 PR c++/85634
1086 * friend.c (add_friend): Keep lookup sets of tempate sets.
1088 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
1090 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
1091 tidy handling of a null location_t argument; use proper location
1092 information in a few additional error messages.
1093 (grokdeclarator): Update calls.
1095 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
1096 Thomas Schwinge <thomas@codesourcery.com>
1097 Cesar Philippidis <cesar@codesourcery.com>
1099 * parser.c (cp_parser_omp_clause_name): Add support for finalize
1100 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
1101 to their non-present_or_* counterparts. Make 'self' an alias to
1102 PRAGMA_OACC_CLAUSE_HOST.
1103 (cp_parser_oacc_data_clause): Update GOMP mappings for
1104 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
1105 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
1106 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
1107 Remove support for present_or_* clauses.
1108 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1109 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
1110 (OACC_DECLARE_CLAUSE_MASK): Likewise.
1111 (OACC_DATA_CLAUSE_MASK): Likewise.
1112 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
1113 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
1114 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
1115 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
1116 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
1117 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
1119 2018-06-20 Marek Polacek <polacek@redhat.com>
1121 PR c++/86240
1122 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
1123 (fold_simple_1): Likewise.
1124 * error.c (dump_expr): Likewise.
1126 2018-06-20 Nathan Sidwell <nathan@acm.org>
1128 PR c++/85634
1129 * cp-tree.h (lookup_keep): Drop KEEP parm.
1130 (lookup_list_keep): Delete.
1131 (maybe_get_fns): Declare.
1132 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1133 (cp_parser_template_id): Not here ...
1134 * decl.c (cp_finish_decl): ... nor here ...
1135 * init.c (build_raw_new_expr): ... nor here ...
1136 * pt.c (process_template_parm): ... nor here ...
1137 * semantics.c (perform_koenig_lookup): Call lookup_keep.
1138 (finish_call_expr): Not here.
1139 * tree.c (ovl_cache): Delete.
1140 (ovl_make, ovl_copy): No cache.
1141 (lookup_keep): Always keep.
1142 (lookup_list_keep): Delete.
1143 (maybe_get_fns): New, broken out of ...
1144 (get_fns): ... here. Call it.
1145 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1146 (build_min_nt_call_vec): Likewise.
1148 2018-06-19 Jason Merrill <jason@redhat.com>
1150 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1151 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1153 PR c++/86182 - ICE with anonymous union passed to template.
1154 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1155 used to declare a named variable.
1157 2018-06-18 Jason Merrill <jason@redhat.com>
1159 * tree.c (cp_expr_location): New.
1160 * cp-tree.h (cp_expr_loc_or_loc): New.
1161 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1162 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1163 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1165 * parser.c (cp_parser_lambda_expression): Use a range for
1166 LAMBDA_EXPR_LOCATION.
1168 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1169 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1170 function type.
1172 PR c++/81060 - ICE with unexpanded parameter pack.
1173 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1174 * decl.c (grokdeclarator): Call it for qualifying_scope.
1176 PR c++/86171 - ICE with recursive alias instantiation.
1177 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1179 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1181 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1182 in errors about redefined default arguments; tidy.
1184 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1186 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1187 * cp-gimplify.c (cp_fold): Likewise.
1189 2018-06-15 Jason Merrill <jason@redhat.com>
1191 PR c++/86147 - wrong capture for template argument.
1192 * expr.c (mark_use): Look through NOP_EXPR.
1194 * name-lookup.c (do_pushtag): Don't look through complete types, but
1195 don't add to them either. Get context from current_binding_level.
1196 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1198 * decl.c (start_enum): Do compare dependent underlying type.
1200 PR c++/82882 - ICE with lambda in template default argument.
1201 * lambda.c (record_null_lambda_scope): New.
1202 * pt.c (tsubst_lambda_expr): Use it.
1203 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1204 function that isn't open.
1206 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1208 2018-06-14 Marek Polacek <polacek@redhat.com>
1210 PR c++/86063
1211 * decl2.c (cp_check_const_attributes): Skip trees that are not
1212 TREE_LISTs.
1214 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1216 P0624R2 - Default constructible and assignable stateless lambdas
1217 * method.c (synthesized_method_walk): For C++2a don't mark
1218 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1219 no lambda-captures.
1221 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1223 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1224 OPT_Wshadow warning_at.
1225 (grokfndecl): Consistently use the location_t argument in
1226 literal operator diagnostic messages.
1227 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1228 in error_at call.
1229 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1230 in permerror call.
1232 2018-06-13 Jason Merrill <jason@redhat.com>
1234 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1235 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1236 constructors.
1238 PR c++/86094 - wrong code with defaulted move ctor.
1239 * class.c (classtype_has_non_deleted_move_ctor): New.
1240 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1241 Handle v12 breakage.
1243 2018-06-12 Jason Merrill <jason@redhat.com>
1245 PR c++/86098 - ICE with template placeholder for TTP.
1246 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1247 CLASS_PLACEHOLDER_TEMPLATE.
1249 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1251 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1252 parameter and adjust error_at calls.
1253 * decl.c (grok_op_properties): Adjust calls.
1254 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1256 2018-06-12 Marek Polacek <polacek@redhat.com>
1258 Core issue 1331 - const mismatch with defaulted copy constructor
1259 * class.c (check_bases_and_members): When checking a defaulted
1260 function, mark it as deleted rather than giving an error.
1262 2018-06-11 Jason Merrill <jason@redhat.com>
1264 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1265 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1266 constructors.
1268 PR c++/85963 - -Wunused-but-set with ?: in template.
1269 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1271 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1273 * decl.c (grok_op_properties): Consistently use the location
1274 of the decl; remove special casing of POSTINCREMENT_EXPR and
1275 POSTDECREMENT_EXPR wrt default arguments.
1277 2018-06-05 Jason Merrill <jason@redhat.com>
1279 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1280 of pointers to members of the same union.
1282 2018-06-11 Jason Merrill <jason@redhat.com>
1284 PR c++/86094 - wrong code with defaulted move ctor.
1285 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1287 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1289 * decl.c (grokfndecl): Use the location_t argument in two more places.
1291 2018-06-06 Marek Polacek <polacek@redhat.com>
1293 PR c++/85977
1294 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1295 deduction from the list elements.
1296 (type_unification_real): Check convertibility of list elements.
1298 2018-06-06 Jason Merrill <jason@redhat.com>
1300 PR c++/86060 - ICE on range for with -std=c++98.
1301 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1302 pedwarn.
1304 PR c++/85710 - ICE with -Wmemset-elt-size.
1305 * semantics.c (finish_call_expr): Call warn_for_memset here.
1306 * parser.c (cp_parser_postfix_expression): Not here.
1307 (literal_integer_zerop): No longer static.
1308 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1310 2018-06-05 Marek Polacek <polacek@redhat.com>
1312 PR c++/85976
1313 * tree.c (cp_tree_equal): Handle USING_DECL.
1315 2018-06-05 Jason Merrill <jason@redhat.com>
1317 PR c++/85731 - wrong error with qualified-id in template.
1318 * semantics.c (finish_qualified_id_expr): build_qualified_name
1319 for unbound names in the current class.
1321 2018-06-04 Jason Merrill <jason@redhat.com>
1323 PR c++/61806 - missed SFINAE with partial specialization.
1324 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1325 parameter to constructor.
1326 * pt.c (instantiate_class_template_1): Enable access checking
1327 before call to most_specialized_partial_spec.
1329 PR c++/85765 - SFINAE and non-type default template arg.
1330 * pt.c (type_unification_real): Do full semantic processing if
1331 substituting a partial args list replaces all template parms.
1333 2018-06-03 Jason Merrill <jason@redhat.com>
1335 PR c++/85739 - ICE with pointer to member template parm.
1336 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1338 2018-06-02 Jason Merrill <jason@redhat.com>
1340 PR c++/85761 - ICE with ill-formed use of const outer variable.
1341 * expr.c (mark_use): Handle location wrappers.
1343 2018-06-01 Jason Merrill <jason@redhat.com>
1345 PR c++/85764 - bogus 'this' not captured error.
1346 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1347 (nonlambda_method_basetype): Handle NSDMI.
1349 CWG 1581: When are constexpr member functions defined?
1350 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1351 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1353 PR c++/58281 - explicit instantiation of constexpr
1354 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1356 * pt.c (instantiate_decl): Any defaulted function is defined.
1358 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1360 PR c++/77777
1361 * call.c (resolve_args): Use location of expression, not current input
1362 location.
1364 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1366 Do not warn about zero-as-null when NULL is used.
1367 * call.c (conversion_null_warnings): Check for pointer
1368 types converted from zero constants.
1369 (convert_like_real): Add a warning sentinel at the end.
1370 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1371 check null_node_p.
1373 2018-05-30 Jason Merrill <jason@redhat.com>
1375 PR c++/85807 - ICE with call in template NSDMI.
1376 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1377 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1379 PR c++/85873 - constant initializer_list array not in .rodata.
1380 * tree.c (build_target_expr): Set TREE_READONLY.
1381 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1383 * parser.c (cp_parser_check_condition_declarator): Handle
1384 cp_error_declarator.
1386 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1388 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1389 of using it in dead store.
1391 2018-05-29 Jason Merrill <jason@redhat.com>
1393 PR c++/67445 - returning temporary initializer_list.
1394 PR c++/67711 - assigning from temporary initializer_list.
1395 PR c++/48562 - new initializer_list.
1396 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1397 about returning local initializer_list.
1398 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1399 * call.c (build_over_call): Warn about assignment from temporary
1400 init_list.
1401 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1402 (find_list_begin, maybe_warn_list_ctor): New.
1403 (perform_member_init): Use maybe_warn_list_ctor.
1405 2018-05-29 Marek Polacek <polacek@redhat.com>
1407 PR c++/85883
1408 * init.c (build_new): Handle deducing a class with new
1409 with more than one argument.
1411 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1413 PR c++/85952
1414 * init.c (build_aggr_init): For structured binding initialized from
1415 array call mark_rvalue_use on the initializer.
1417 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1419 * decl2.c (start_static_storage_duration_function): Use
1420 splay_tree_delete_pointers.
1422 2018-05-25 Jason Merrill <jason@redhat.com>
1424 PR c++/85815 - reference to member of enclosing template.
1425 * search.c (lookup_base): Use currently_open_class.
1426 (lookup_member): Use it regardless of -fconcepts.
1427 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1429 CWG 616, 1213 - value category of subobject references.
1430 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1432 2018-05-24 Jason Merrill <jason@redhat.com>
1434 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1435 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1436 generic lambda.
1438 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1440 Pedwarn on a non-standard position of a C++ attribute.
1441 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1442 after the namespace name.
1444 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1446 * cp-tree.h (INDIRECT_TYPE_P): New.
1447 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1448 joust): Use it instead of POINTER_TYPE_P.
1449 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1450 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1451 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1452 * cxx_eval_increment_expression, potential_constant_expression_1):
1453 Likewise.
1454 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1455 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1456 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1457 cp_ubsan_maybe_instrument_downcast): Likewise.
1458 * cvt.c (cp_convert_to_pointer, ocp_convert,
1459 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1460 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1461 pp_cxx_offsetof_expression_1): Likewise.
1462 * decl.c (grokparms, static_fn_type): Likewise.
1463 * decl2.c (grokbitfield): Likewise.
1464 * error.c (dump_expr): Likewise.
1465 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1466 * init.c (warn_placement_new_too_small): Likewise.
1467 * lambda.c (build_capture_proxy, add_capture): Likewise.
1468 * parser.c (cp_parser_omp_for_loop): Likewise.
1469 * pt.c (convert_nontype_argument, fn_type_unification,
1470 uses_deducible_template_parms, check_cv_quals_for_unify,
1471 dependent_type_p_r): Likewise.
1472 * search.c (check_final_overrider): Likewise.
1473 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1474 finish_omp_for): Likewise.
1475 * tree.c (cp_build_qualified_type_real): Likewise.
1476 * typeck.c (build_class_member_access_expr,
1477 finish_class_member_access_expr, build_x_indirect_ref,
1478 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1479 Likewise.
1481 2018-05-24 Jason Merrill <jason@redhat.com>
1483 PR c++/85864 - literal template and default template arg.
1484 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1486 2018-05-24 Marek Polacek <polacek@redhat.com>
1488 PR c++/85847
1489 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1490 variable for its result. Fix a condition.
1491 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1493 2018-05-23 Jason Merrill <jason@redhat.com>
1495 Fix cast to rvalue reference from prvalue.
1496 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1497 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1498 non-class type. Handle xvalue argument.
1499 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1500 rvalue reference.
1501 * semantics.c (finish_compound_literal): Do direct-initialization,
1502 not cast, to initialize a reference.
1504 CWG 616, 1213 - value category of subobject references.
1505 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1506 an xvalue.
1507 * typeck2.c (build_m_component_ref): Likewise.
1508 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1509 distinction between temporary and xvalue.
1511 2018-05-23 Marek Polacek <polacek@redhat.com>
1513 Implement P0614R1, Range-based for statements with initializer.
1514 * parser.c (cp_parser_range_based_for_with_init_p): New.
1515 (cp_parser_init_statement): Use it. Parse the optional init-statement
1516 for a range-based for loop.
1517 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1519 2018-05-22 Jason Merrill <jason@redhat.com>
1521 PR c++/81420 - not extending temporary lifetime.
1522 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1523 * class.c (build_base_path): Avoid redundant move of an rvalue.
1525 PR c++/85866 - error with .* in default template arg.
1526 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1528 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1530 * parser.c (cp_parser_parameter_declaration_list): Remove
1531 bool* parameter.
1532 (cp_parser_parameter_declaration_clause): Adjust.
1533 (cp_parser_cache_defarg): Likewise.
1535 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1537 PR c++/84588
1538 * parser.c (cp_parser_maybe_commit_to_declaration,
1539 cp_parser_check_condition_declarator): New.
1540 (cp_parser_simple_declaration): Use the first above.
1541 (cp_parser_condition): Use both the above; enforce
1542 [stmt.stmt]/2 about the declarator not specifying
1543 a function or an array; improve error-recovery.
1545 2018-05-20 Jason Merrill <jason@redhat.com>
1547 PR libstdc++/85843 - warning in logic_error copy constructor.
1548 * class.c (type_has_user_nondefault_constructor): Check for a
1549 user-provided ctor, not user-declared.
1551 2018-05-19 Jason Merrill <jason@redhat.com>
1553 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1554 on __integer_pack as subexpression of pattern.
1556 2018-05-18 Jason Merrill <jason@redhat.com>
1558 PR c++/58407 - deprecated implicit copy ops.
1559 * call.c (build_over_call): Warn about deprecated trivial fns.
1560 * class.c (classtype_has_user_copy_or_dtor): New.
1561 (type_build_ctor_call): Check TREE_DEPRECATED.
1562 (type_build_dtor_call): Likewise.
1563 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1564 Add checks. Return bool. Handle -Wdeprecated-copy.
1565 (mark_used): Use it.
1566 * decl.c (grokdeclarator): Remove redundant checks.
1567 * typeck2.c (build_functional_cast): Likewise.
1568 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1569 * init.c (build_aggr_init): Only set TREE_USED if there are
1570 side-effects.
1572 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1574 PR c++/85782
1575 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1576 OACC_LOOPs.
1578 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1580 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1581 (potential_constant_expression_1): Likewise.
1583 2018-05-16 Marek Polacek <polacek@redhat.com>
1585 PR c++/85363
1586 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1587 * tree.c (bot_manip): Call set_flags_from_callee for
1588 AGGR_INIT_EXPRs too.
1590 2018-05-15 Jason Merrill <jason@redhat.com>
1592 * cp-tree.h (cp_expr): Remove copy constructor.
1593 * mangle.c (struct releasing_vec): Declare copy constructor.
1595 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1597 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1598 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1599 is a throw-expression.
1601 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1603 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1604 (FOR_EACH_CLONE): Update.
1605 * decl.c (grokdeclarator): Use it.
1606 * decl2.c (vague_linkage_p): Likewise.
1607 * mangle.c (mangle_decl): Likewise.
1608 * method.c (lazily_declare_fn): Likewise.
1609 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1610 * repo.c (repo_emit_p): Likewise.
1611 * tree.c (decl_linkage): Likewise.
1613 2018-05-14 Jason Merrill <jason@redhat.com>
1615 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1616 * tree.c (build_cp_fntype_variant): New.
1617 (build_ref_qualified_type, build_exception_variant)
1618 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1619 (cxx_type_hash_eq, cp_check_qualified_type): Check
1620 TYPE_HAS_LATE_RETURN_TYPE.
1621 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1622 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1623 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1624 (adjust_clone_args): Likewise.
1625 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1626 build_cp_fntype_variant.
1627 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1628 (check_function_type): Use cxx_copy_lang_qualifiers.
1629 (static_fn_type): Use cxx_copy_lang_qualifiers.
1630 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1631 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1632 (change_return_type): Use cxx_copy_lang_qualifiers.
1633 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1634 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1635 return type on the declarator like a normal trailing return type.
1636 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1637 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1638 * typeck.c (merge_types): Use build_cp_fntype_variant.
1640 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1642 * cp-tree.h (TYPE_REF_P): New.
1643 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1644 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1645 direct_reference_binding, reference_binding, implicit_conversion,
1646 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1647 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1648 build_over_call, perform_implicit_conversion_flags,
1649 extend_ref_init_temps, type_has_extended_temps): Use it.
1650 * class.c (one_inheriting_sig, check_field_decls,
1651 check_bases_and_members, find_flexarrays, finish_struct,
1652 fixed_type_or_null): Likewise.
1653 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1654 non_const_var_error, cxx_eval_constant_expression,
1655 potential_constant_expression_1): Likewise.
1656 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1657 cp_genericize_r, cxx_omp_privatize_by_reference,
1658 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1659 cp_fold_maybe_rvalue): Likewise.
1660 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1661 * cvt.c (build_up_reference, convert_to_reference,
1662 convert_from_reference, convert_to_void, noexcept_conv_p,
1663 fnptr_conv_p): Likewise.
1664 * decl.c (poplevel, check_for_uninitialized_const_var,
1665 check_initializer, initialize_local_var, cp_finish_decl,
1666 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1667 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1668 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1669 decl_maybe_constant_var_p): Likewise.
1670 * error.c (dump_type_prefix, dump_expr): Likewise.
1671 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1672 is_admissible_throw_operand_or_catch_parameter): Likewise.
1673 * expr.c (mark_use): Likewise.
1674 * init.c (build_zero_init_1, build_value_init_noctor,
1675 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1676 build_new, build_delete): Likewise.
1677 * lambda.c (build_lambda_object): Likewise.
1678 * mangle.c (write_expression, write_template_arg): Likewise.
1679 * method.c (forward_parm, do_build_copy_constructor,
1680 do_build_copy_assign, build_stub_object, constructible_expr,
1681 walk_field_subobs): Likewise.
1682 * parser.c (cp_parser_omp_for_loop_init,
1683 cp_parser_omp_declare_reduction_exprs,
1684 cp_parser_omp_declare_reduction): Likewise.
1685 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1686 convert_template_argument, tsubst_pack_expansion,
1687 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1688 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1689 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1690 value_dependent_expression_p, build_deduction_guide): Likewise.
1691 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1692 finish_compound_literal, omp_privatize_field,
1693 handle_omp_array_sections_1, handle_omp_array_sections,
1694 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1695 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1696 finish_omp_clauses, finish_decltype_type, capture_decltype,
1697 finish_builtin_launder): Likewise.
1698 * tree.c (lvalue_kind, cp_build_reference_type, move,
1699 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1700 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1701 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1702 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1703 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1704 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1705 convert_for_initialization,
1706 maybe_warn_about_returning_address_of_local, check_return_expr,
1707 cp_type_quals, casts_away_constness, non_reference): Likewise.
1708 * typeck2.c (cxx_readonly_error, store_init_value,
1709 process_init_constructor_record, build_x_arrow, build_functional_cast,
1710 add_exception_specifier): Likewise.
1712 2018-05-14 Jason Merrill <jason@redhat.com>
1714 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1715 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1717 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1719 PR c/85696
1720 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1721 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1722 cxx_omp_predetermined_sharing_1. Rename old function to ...
1723 (cxx_omp_predetermined_sharing_1): ... this.
1724 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1725 instead of cxx_omp_predetermined_sharing.
1727 2018-05-10 Jason Merrill <jason@redhat.com>
1729 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1730 (check_static_variable_definition): Allow auto.
1731 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1733 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1734 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1736 Core issue 2310 - conversion to base of incomplete type.
1737 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1739 CWG 2267 - list-initialization of reference temporary
1740 * call.c (reference_binding): List-initializing a reference
1741 temporary is copy-list-initialization.
1743 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1745 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1746 instantiation in template context.
1748 * class.c (vbase_has_user_provided_move_assign): Use
1749 user_provided_p.
1751 * lambda.c (lambda_expr_this_capture): Improve logic.
1753 * decl.c (make_typename_type): s/parameters/arguments/.
1754 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1755 * pt.c (make_pack_expansion): Correct error message.
1757 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1759 PR c++/85662
1760 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1761 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1762 fold_convert.
1764 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1766 PR c++/85400
1767 * decl2.c (adjust_var_decl_tls_model): New static function.
1768 (comdat_linkage): Call it on a variable.
1769 (maybe_make_one_only): Likewise.
1771 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1773 PR c++/85713
1774 Revert:
1775 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1777 PR c++/84588
1778 * parser.c (cp_parser_parameter_declaration_list): When the
1779 entire parameter-declaration-list is erroneous maybe call
1780 abort_fully_implicit_template.
1782 2018-05-08 Jason Merrill <jason@redhat.com>
1784 PR c++/85706 - class deduction under decltype
1785 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1786 *walk_subtrees whether or not we walked into the operand.
1787 (type_uses_auto): Only look at deduced contexts.
1789 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1791 PR c++/84588
1792 * parser.c (cp_parser_parameter_declaration_list): When the
1793 entire parameter-declaration-list is erroneous maybe call
1794 abort_fully_implicit_template.
1796 2018-05-08 Marek Polacek <polacek@redhat.com>
1798 PR c++/85695
1799 * semantics.c (finish_if_stmt_cond): See through typedefs.
1801 2018-05-07 Jason Merrill <jason@redhat.com>
1803 PR c++/85646 - lambda visibility.
1804 * decl2.c (determine_visibility): Don't mess with template arguments
1805 from the containing scope.
1806 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1807 thunk.
1809 2018-05-07 Nathan Sidwell <nathan@acm.org>
1811 Remove fno-for-scope
1812 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1813 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1814 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1815 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1816 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1817 Don't declare.
1818 * name-lookup.h (struct cp_binding_level): Remove
1819 dead_vars_from_for field.
1820 * cp-lang.c (cp_init_ts): Delete.
1821 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1822 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1823 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1824 (init_shadowed_var_for_decl): Delete.
1825 * decl.c (poplevel): Remove shadowed for var handling.
1826 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1827 * name-lookup.c (find_local_binding): Remove shadowed for var
1828 handling.
1829 (check_local_shadow): Likewise.
1830 (check_for_out_of_scope_variable): Delete.
1831 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1832 handling.
1833 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1834 * semantics.c (begin_for_scope): Always have a scope.
1835 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1836 (begin_range_for_stmt, finish_id_expression): Likewise.
1838 2018-05-07 Jason Merrill <jason@redhat.com>
1840 PR c++/85618 - ICE with initialized VLA.
1841 * tree.c (vla_type_p): New.
1842 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1843 rather than array_of_runtime_bound_p.
1845 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1847 * cvt.c (ocp_convert): Early handle the special case of a
1848 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1850 2018-05-03 Jason Merrill <jason@redhat.com>
1852 PR c++/85600 - virtual delete failure.
1853 * init.c (build_delete): Always save_expr when deleting.
1855 2018-05-03 Nathan Sidwell <nathan@acm.org>
1857 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1858 * name-lookup.c (do_pushdecl): Likewise.
1860 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1861 Jason Merrill <jason@redhat.com>
1863 PR c++/68374
1864 * name-lookup.c (check_local_shadow): Don't handle static old
1865 declarations in the block handling locals shadowing locals.
1867 2018-05-01 Jason Merrill <jason@redhat.com>
1869 PR c++/85587 - error with scoped enum in template.
1870 * semantics.c (finish_qualified_id_expr): Don't return an
1871 unqualified IDENTIFIER_NODE.
1873 2018-04-30 Jason Merrill <jason@redhat.com>
1875 PR c++/85580 - extern "C" and local variables
1876 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1878 PR c++/84701 - unsigned typeof.
1879 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1880 of long/short/signed/unsigned.
1882 PR c++/85305 - pack in lambda init-capture.
1883 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1884 check_for_bare_parameter_packs in a subexpression.
1885 (cp_parser_lambda_introducer): Use it.
1887 PR c++/61982 - dead stores to destroyed objects.
1888 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1889 (build_over_call, build_special_member_call): Use it.
1890 * cp-tree.h: Declare it.
1891 * init.c (build_delete): Remove trivial path.
1893 * init.c (build_dtor_call): Use build_special_member_call.
1894 (build_delete): Remove redundant uses of save_addr.
1896 * decl.c (build_clobber_this): Use build_clobber.
1898 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1900 PR c++/85553
1901 * init.c (build_zero_init_1): For zero initialization of
1902 NULLPTR_TYPE_P type use build_int_cst directly.
1904 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1906 PR c++/85515
1907 * name-lookup.c (consider_binding_level): Skip compiler-generated
1908 variables.
1909 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1910 nested if statements into a series of rejection tests. Reject
1911 lambda-ignored entities as suggestions.
1913 2018-04-27 Jason Merrill <jason@redhat.com>
1915 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1916 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1918 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1920 PR c++/84691
1921 * decl.c (grokdeclarator): Clear friendp upon definition in local
1922 class definition error.
1924 2018-04-27 Jason Merrill <jason@redhat.com>
1926 PR c++/85545 - ICE with noexcept PMF conversion.
1927 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1928 build_ptrmemfunc.
1929 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1930 adjustment.
1931 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1933 2018-04-27 Nathan Sidwell <nathan@acm.org>
1935 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1937 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1938 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1939 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1940 (dump, print_other_binding_stacks): Remove declarations.
1941 * name-lookup.c (print_other_binding_stack): Make static.
1942 * pt.c (build_template_decl): Make static.
1944 2018-04-26 Jason Merrill <jason@redhat.com>
1946 PR c++/85545 - ICE with noexcept PMF conversion.
1947 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1949 2018-04-25 Nathan Sidwell <nathan@acm.org>
1951 PR c++/85437
1952 PR c++/49171
1953 * cp-tree.h (REINTERPRET_CAST_P): New.
1954 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1955 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1956 for non-trivial PTRMEM_CST cases.
1957 * typeck.c (build_nop_reinterpret): New.
1958 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1959 NOP_EXPRs returned by cp_convert.
1961 2018-04-23 Jason Merrill <jason@redhat.com>
1963 PR c++/69560 - wrong alignof(double) on x86.
1964 CWG 1879 - Inadequate definition of alignment requirement.
1965 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1966 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1967 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1968 (cxx_alignof_expr): Pass it.
1969 * parser.c (cp_parser_unary_expression): Pass it.
1970 * pt.c (tsubst_copy): Copy it.
1971 (tsubst_copy_and_build): Pass it.
1972 * decl.c (fold_sizeof_expr): Pass it.
1974 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1975 Jason Merrill <jason@redhat.com>
1977 PR c++/85470 - wrong error with static data member.
1978 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1979 * typeck2.c (store_init_value): Likewise.
1981 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1983 PR c++/85462
1984 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1985 change refcount member from unsigned char to unsigned short,
1986 add refcount_infinity static data member, adjust comments.
1987 * pt.c (tinst_level::refcount_infinity): Define.
1988 (inc_refcount_use): Remove assert, don't increment if refcount
1989 is already refcount_infinity, adjust comment.
1990 (dec_refcount_use): Remove assert, don't decrement if refcount
1991 is refcount_infinity, adjust comment.
1992 (push_tinst_level_loc): Formatting fix.
1994 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1996 PR c++/84611
1997 * pt.c (lookup_template_class_1): Check pushtag return value for
1998 error_mark_node.
2000 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
2002 PR c++/80290
2003 * cp-tree.h (tinst_level::free): Fix whitespace.
2005 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
2007 PR c++/84630
2008 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
2009 for error_mark_node.
2011 2018-04-18 Jakub Jelinek <jakub@redhat.com>
2013 PR c++/84463
2014 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
2015 tricks from here to ...
2016 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
2017 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
2019 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
2021 PR c++/80290
2022 * cp-tree.h (struct tinst_level): Split decl into tldcl and
2023 targs. Add private split_list_p, tree_list_p, and not_list_p
2024 inline const predicates; to_list private member function
2025 declaration; free public member function declaration; list_p,
2026 get_node and maybe_get_node accessors, and refcount data
2027 member. Narrow errors to unsigned short.
2028 * error.c (print_instantiation_full_context): Use new
2029 accessors.
2030 (print_instantiation_partial_context_line): Likewise. Drop
2031 const from tinst_level-typed parameter.
2032 * mangle.c (mangle_decl_string): Likewise.
2033 * pt.c (freelist): New template class.
2034 (tree_list_freelist_head): New var.
2035 (tree_list_freelist): New fn, along with specializations.
2036 (tinst_level_freelist_head): New var.
2037 (pending_template_freelist_head): Likewise.
2038 (tinst_level_freelist, pending_template_freelist): New fns.
2039 (tinst_level::to_list, tinst_level::free): Define.
2040 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
2041 (set_refcount_ptr): New template fn.
2042 (add_pending_template): Adjust for refcounting, freelists and
2043 new accessors.
2044 (neglectable_inst_p): Take a NULL d as a non-DECL.
2045 (limit_bad_template_recursion): Use new accessors.
2046 (push_tinst_level): New overload to create the list.
2047 (push_tinst_level_loc): Make it static, split decl into two
2048 args, adjust tests and initialization to cope with split
2049 lists, use freelist, adjust for refcounting.
2050 (push_tinst_level_loc): New wrapper with the old interface.
2051 (pop_tinst_level): Adjust for refcounting.
2052 (record_last_problematic_instantiation): Likewise.
2053 (reopen_tinst_level): Likewise. Use new accessors.
2054 (instantiate_alias_template): Adjust for split list.
2055 (fn_type_unification): Likewise.
2056 (get_partial_spec_bindings): Likewise.
2057 (instantiate_pending_templates): Use new accessors. Adjust
2058 for refcount. Release pending_template to freelist.
2059 (instantiating_current_function_p): Use new accessors.
2061 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
2063 PR c++/85039
2064 * parser.c (cp_parser_builtin_offset): Reject type definitions.
2065 * mangle.c (nested_anon_class_index): Avoid crash returning -1
2066 if we've seen errors.
2068 2018-04-12 David Malcolm <dmalcolm@redhat.com>
2070 PR c++/85385
2071 * name-lookup.c (macro_use_before_def::maybe_make): New function,
2072 checking that the use is indeed before the definition.
2073 (macro_use_before_def::macro_use_before_def): Make private.
2074 (macro_use_before_def::~macro_use_before_def): Make private. Move
2075 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
2076 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
2077 than using new directly.
2079 2018-04-12 Jason Merrill <jason@redhat.com>
2081 PR c++/85356 - ICE with pointer to member function.
2082 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
2083 flag_noexcept_type. Build the new spec within the function context.
2084 * except.c (build_noexcept_spec): Do get constant value in templates
2085 if flag_noexcept_type.
2086 * decl.c (check_redeclaration_exception_specification): Don't
2087 instantiate noexcept on a dependent declaration.
2089 2018-04-12 Marek Polacek <polacek@redhat.com>
2091 PR c++/85258
2092 * constexpr.c (reduced_constant_expression_p): Return false for null
2093 trees.
2095 2018-04-11 Marek Polacek <polacek@redhat.com>
2097 PR c++/85032
2098 * constexpr.c (potential_constant_expression_1): Consider conversions
2099 from classes to literal types potentially constant.
2101 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
2103 PR c++/70808
2104 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
2105 the type like TYPE_PTR_OR_PTRMEM_P.
2107 2018-04-10 Jason Merrill <jason@redhat.com>
2109 PR debug/65821 - wrong location for main().
2110 * call.c (clear_location_r, convert_default_arg): Revert.
2111 * tree.c (break_out_target_exprs): Add clear_location parm.
2112 (struct bot_data): New.
2113 (bot_manip): Clear location if requested.
2114 * init.c (get_nsdmi): Pass clear_location.
2116 2018-04-10 David Malcolm <dmalcolm@redhat.com>
2118 PR c++/85110
2119 * call.c (get_fndecl_argument_location): Make non-static.
2120 * cp-tree.h (get_fndecl_argument_location): New decl.
2121 * typeck.c (convert_for_assignment): When complaining due to
2122 conversions for an argument, show the location of the parameter
2123 within the decl.
2125 2018-04-10 Jakub Jelinek <jakub@redhat.com>
2127 PR c++/85312 - P0962 cleanup
2128 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2129 diagnostics.
2131 2018-04-10 Jason Merrill <jason@redhat.com>
2133 PR debug/65821 - wrong location for main().
2134 * call.c (clear_location_r): New.
2135 (convert_default_arg): Use it.
2136 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2138 PR c++/85285 - ICE with flexible array after substitution.
2139 * pt.c (instantiate_class_template_1): Check for flexible array in
2140 union.
2142 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
2144 PR c++/85227
2145 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2146 issue a pedwarn and defer trying to do bindings.
2148 2018-04-09 Jason Merrill <jason@redhat.com>
2150 PR c++/85279 - dump_expr doesn't understand decltype.
2151 * error.c (dump_expr): Handle DECLTYPE_TYPE.
2153 PR c++/85262 - ICE with redundant qualification on constructor.
2154 * call.c (build_new_method_call_1): Move make_args_non_dependent
2155 after A::A() handling.
2157 PR c++/85277 - ICE with invalid offsetof.
2158 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2159 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2161 PR c++/85264 - ICE with excess template-parameter-list.
2162 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2163 parameter. Don't allow an extra template header if true.
2164 (cp_parser_class_head): Pass template_id_p.
2165 (cp_parser_elaborated_type_specifier): Likewise.
2166 (cp_parser_alias_declaration): Likewise.
2167 (cp_parser_check_declarator_template_parameters): Likewise.
2169 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2171 PR c++/85194
2172 * parser.c (cp_parser_simple_declaration): For structured bindings,
2173 if *maybe_range_for_decl is NULL after parsing it, set it to
2174 error_mark_node.
2176 2018-04-09 Jason Merrill <jason@redhat.com>
2178 PR c++/85256 - ICE capturing pointer to VLA.
2179 * lambda.c (add_capture): Distinguish between variable-size and
2180 variably-modified types.
2182 2018-04-06 Jason Merrill <jason@redhat.com>
2184 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2185 * pt.c (extract_locals_r): Remember local typedefs.
2187 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2189 PR c++/84269
2190 * name-lookup.c (struct std_name_hint): Move out of
2191 get_std_name_hint; add field "min_dialect".
2192 (get_std_name_hint): Add min_dialect values to all initializers.
2193 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2194 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2195 <shared_mutex>, <string_view>, <thread>, and <variant>.
2196 Add fstream, ifstream, and ofstream to <fstream>.
2197 Add istringstream, ostringstream, and stringstream to <sstream>.
2198 Add basic_string to <string>.
2199 Add tuple_element and tuple_size to <tuple>.
2200 Add declval to <utility>.
2201 Fix ordering of <queue> and <tuple>.
2202 Return a std_name_hint, rather than a const char *.
2203 (get_cxx_dialect_name): New function.
2204 (maybe_suggest_missing_std_header): Detect names that aren't yet
2205 available in the current dialect, and instead of suggesting a
2206 missing #include, warn about the dialect.
2208 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2210 PR c++/85210
2211 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2212 errorcount is set if tsubst doesn't return a VAR_DECL.
2214 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2216 PR c++/85021
2217 * name-lookup.c (using_directives_contain_std_p): New function.
2218 (has_using_namespace_std_directive_p): New function.
2219 (suggest_alternatives_for): Simplify if/else logic using early
2220 returns. If no candidates were found, and there's a
2221 "using namespace std;" directive, call
2222 maybe_suggest_missing_std_header.
2223 (maybe_suggest_missing_header): Split later part of the function
2224 into..
2225 (maybe_suggest_missing_std_header): New.
2227 2018-04-06 Jason Merrill <jason@redhat.com>
2229 PR c++/85242 - ICE with class definition in template parm.
2230 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2231 processing_template_parmlist.
2233 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2234 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2236 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2238 PR c++/85209
2239 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2240 is not prev, if prev == decl.
2242 PR c++/85208
2243 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2244 maybe_apply_pragma_weak here...
2245 (cp_maybe_mangle_decomp): ... but call it here instead.
2247 2018-04-05 Jason Merrill <jason@redhat.com>
2249 PR c++/85136 - ICE with designated init in template.
2250 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2251 designated initializer.
2252 (check_array_designated_initializer): Update ce->index with the
2253 constant value.
2255 PR c++/83808 - ICE with VLA initialization.
2256 * typeck2.c (process_init_constructor_array): Don't require a VLA
2257 initializer to have VLA type.
2259 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2261 PR c++/80956
2262 * call.c (convert_like_real): Fail gracefully for a broken
2263 std::initializer_list, missing a definition.
2265 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2267 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2269 PR c++/84792
2270 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2271 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2273 2018-04-05 Jason Merrill <jason@redhat.com>
2275 PR c++/82152 - ICE with class deduction and inherited ctor.
2276 * pt.c (do_class_deduction): Ignore inherited ctors.
2278 PR c++/84665 - ICE with array of empty class.
2279 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2281 PR c++/85228 - ICE with lambda in enumerator in template.
2282 * pt.c (bt_instantiate_type_proc): Don't assume
2283 CLASSTYPE_TEMPLATE_INFO is non-null.
2285 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2287 Implement P0969
2288 * decl.c (find_decomp_class_base): Check accessibility instead
2289 of declared access, adjust diagnostic.
2291 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2293 Implement P0961
2294 * decl.c (get_tuple_decomp_init): Check the templatedness
2295 of a member get.
2297 2018-04-05 Jason Merrill <jason@redhat.com>
2299 PR c++/85200 - ICE with constexpr if in generic lambda.
2300 * pt.c (extract_locals_r): Don't record the local specs of variables
2301 declared within the pattern.
2303 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2305 PR c++/84979
2306 * pt.c (check_auto_in_tmpl_args): New.
2307 (tsubst_qualified_id): Use it to reject template args
2308 referencing auto for non-type templates.
2309 * parser.c (cp_parser_template_id): Likewise.
2310 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2311 * typeck2.c (build_functional_cast): Report correct location
2312 for invalid use of auto.
2314 2018-04-04 Jason Merrill <jason@redhat.com>
2316 PR c++/85215 - ICE with copy-init from conversion.
2317 * call.c (merge_conversion_sequences): Fix type of direct binding
2318 sequence.
2320 PR c++/84938 - ICE with division by ~-1.
2321 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2323 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2324 * parser.c (cp_parser_mem_initializer_list): Call
2325 check_for_bare_parameter_packs.
2327 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2329 PR inline-asm/85172
2330 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2331 builtin_valid_in_constant_expr_p functions, don't call
2332 cxx_eval_constant_expression if argument is not
2333 potential_constant_expression.
2335 PR c++/85146
2336 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2337 argument.
2338 * semantics.c (calculate_bases): Add complain argument. Use
2339 complete_type_or_maybe_complain instead of just complete_type and
2340 return an empty vector if it fails. Move make_tree_vector () call
2341 after early return. Formatting fixes.
2342 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2343 end.
2344 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2345 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2346 calculate_direct_bases callers, formatting fixes.
2348 2018-04-04 Jason Merrill <jason@redhat.com>
2350 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2351 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2353 PR c++/85200 - ICE with constexpr if in generic lambda.
2354 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2356 PR c++/84221 - bogus -Wunused with attribute and template.
2357 * decl2.c (is_late_template_attribute): Handle unused and used
2358 normally on non-TYPE_DECL.
2360 PR c++/85135 - ICE with omitted template arguments.
2361 * decl.c (grokdeclarator): Catch deduced class type in trailing
2362 return type.
2364 PR c++/85133 - ICE with missing concept initializer.
2365 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2366 true.
2368 PR c++/85118 - wrong error with generic lambda and std::bind.
2369 * call.c (add_template_conv_candidate): Disable if there are any
2370 call operators.
2372 PR c++/85141 - ICE with compound assignment and static member fn.
2373 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2374 compound assignment.
2376 PR c++/85148 - ICE with 'this' in array NSDMI.
2377 * tree.c (replace_placeholders_r): Use handled_component_p.
2379 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2381 PR c++/65923
2382 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2383 * parser.c (cp_parser_unqualified_id): ..not here.
2385 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2387 PR c++/84943
2388 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2389 used.
2390 * decl2.c (mark_used): Return without effects if tf_conv.
2392 2018-04-03 Jason Merrill <jason@redhat.com>
2394 PR c++/85092 - C++17 ICE with unused list constructor.
2395 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2396 from a TARGET_EXPR.
2398 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2399 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2400 __builtin_constant_p if ctx->quiet.
2402 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2404 PR c++/84768
2405 * pt.c (rewrite_template_parm): If the first argument is
2406 error_mark_node return it immediately.
2407 (build_deduction_guide): Check the return value of the
2408 latter for error_mark_node.
2409 (do_class_deduction): Check the return value of the latter.
2411 2018-04-03 Jason Merrill <jason@redhat.com>
2413 * semantics.c (finish_if_stmt_cond): Use
2414 instantiation_dependent_expression_p.
2416 PR c++/85149 - generic lambda and constexpr if.
2417 * pt.c (build_extra_args, add_extra_args): Split from
2418 tsubst_pack_expansion.
2419 (tsubst_expr) [IF_STMT]: Use them.
2420 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2422 * typeck.c (merge_types): Limit matching attribute shortcut to
2423 the default case.
2425 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2427 PR c++/85147
2428 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2430 PR c++/85140
2431 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2432 is error_mark_node.
2434 PR c++/85134
2435 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2436 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2437 instead for static data members clear init and set DECL_EXTERNAL.
2439 2018-04-02 Jason Merrill <jason@redhat.com>
2441 PR c++/64095 - auto... parameter pack.
2442 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2443 into packs here.
2444 (cp_parser_parameter_declaration_list): Not here.
2446 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2448 PR c++/85027
2449 * class.c (instantiate_type): Peel off SAVE_EXPR before
2450 BASELINK.
2452 2018-03-30 Jason Merrill <jason@redhat.com>
2454 * typeck2.c (process_init_constructor_record): Use
2455 init_list_type_node for the CONSTRUCTOR around an anonymous union
2456 designated initializer.
2458 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2460 PR c++/84791
2461 * semantics.c (finish_omp_reduction_clause): If
2462 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2463 even if processing_template_decl.
2465 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2467 PR c++/84269
2468 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2469 <tuple>, and <utility>.
2471 2018-03-29 Jason Merrill <jason@redhat.com>
2473 PR c++/85093 - too many template args with pack expansion.
2474 * pt.c (coerce_template_parms): Keep pack expansion args that will
2475 need to be empty.
2477 2018-03-29 Jason Merrill <jason@redhat.com>
2479 * pt.c (build_non_dependent_expr): Propagate expr location.
2481 2018-03-27 Jason Merrill <jason@redhat.com>
2483 PR c++/85060 - wrong-code with call to base member in template.
2484 * search.c (any_dependent_bases_p): Check uses_template_parms
2485 rather than processing_template_decl.
2487 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2489 PR c++/85110
2490 * typeck.c (convert_for_assignment): When complaining due to
2491 conversions for an argument, attempt to use the location of the
2492 argument.
2494 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2496 PR c++/85028
2497 * pt.c (tsubst_default_argument): Early return if the type of the
2498 parameter is erroneous.
2500 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2502 PR c++/84973
2503 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2504 templates.
2506 PR c++/84968
2507 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2509 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2511 PR c++/85067
2512 * method.c (defaulted_late_check): Partially revert r253321 changes,
2513 do not early return upon error.
2515 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2517 PR c++/85077
2518 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2519 type call fold to generate VECTOR_CSTs when possible.
2521 PR c++/85076
2522 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2523 return it right away.
2525 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2527 * search.c (check_final_overrider): Use inform instead of error
2528 for the diagnostics of the overridden functions. Tweak wording.
2530 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2532 PR c++/85068
2533 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2534 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2536 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2537 Jason Merrill <jason@redhat.com>
2539 PR c++/84632
2540 * init.c (build_aggr_init): When initializing from array,
2541 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2542 (build_vec_init): Handle separately ARRAY_TYPEs.
2544 2018-03-26 Jason Merrill <jason@redhat.com>
2546 PR c++/85062 - ICE with alignas in wrong place.
2547 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2548 here.
2550 PR c++/85049 - ICE with __integer_pack.
2551 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2552 * cp-tree.h (TEMPLATE_PARM_P): New.
2554 2018-03-23 Jason Merrill <jason@redhat.com>
2556 PR c++/78489 - wrong SFINAE behavior.
2558 PR c++/84489
2559 * pt.c (type_unification_real): Don't defer substitution failure.
2561 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2563 PR c++/85015
2564 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2565 result.
2567 PR c++/84942
2568 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2569 cp_build_unary_op call with gcc_unreachable ().
2571 2018-03-23 Marek Polacek <polacek@redhat.com>
2573 PR c++/85045
2574 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2575 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2576 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2578 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2580 Implement P0962
2581 * parser.c (cp_parser_perform_range_for_lookup): Change
2582 the condition for deciding whether to use members.
2584 2018-03-23 Marek Polacek <polacek@redhat.com>
2586 PR c++/85033
2587 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2589 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2591 PR c++/71251
2592 * parser.c (cp_parser_alias_declaration): Call
2593 parser_check_template_parameters.
2595 PR c++/84789
2596 * pt.c (resolve_typename_type): Drop assert that stopped
2597 simplification to template-independent types. Add assert to
2598 verify the initial scope is template dependent.
2599 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2600 Reparse the id expression as a type-name, not a declarator.
2602 PR c++/84729
2603 * init.c (build_vec_init): Error at parenthesized array init.
2605 PR c++/84610
2606 PR c++/84642
2607 PR c++/84942
2608 * cp-tree.h (temp_override): New template class, generalizing
2609 a cleanup that was only used...
2610 * parser.c (cp_parser_parameter_declaration_clause):
2611 ... here for auto_is_implicit_function_template_parm_p.
2612 (cp_parser_gnu_attributes_opt): Use it here as well.
2613 (cp_parser_std_attribute): Likewise.
2615 2018-03-22 Marek Polacek <polacek@redhat.com>
2617 PR c++/84854
2618 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2619 is boolean.
2621 2018-03-21 Jason Merrill <jason@redhat.com>
2623 PR c++/81311 - wrong C++17 overload resolution.
2624 * call.c (build_user_type_conversion_1): Remove C++17 code.
2625 (conv_binds_ref_to_prvalue): New.
2626 (build_over_call): Handle C++17 copy elision.
2627 (build_special_member_call): Only do C++17 copy elision here if the
2628 argument is already the right type.
2630 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2632 PR c++/71965
2633 * init.c (build_vec_init): Silence error, former sorry,
2634 without tf_error.
2636 PR c++/84610
2637 PR c++/84642
2638 * parser.c (abort_fully_implicit_template_p): New.
2639 (cp_parser_skip_to_end_of_statement): Use it.
2640 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2641 (finish_fully_implicit_template_p): Clear
2642 implicit_template_parms and implicit_template_scope.
2644 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2646 PR c++/84972
2647 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2648 error_mark_node when check_array_designated_initializer fails.
2650 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2652 PR c++/84961
2653 * cp-tree.h (genericize_compound_lvalue): Declare.
2654 * typeck.c (genericize_compound_lvalue): New function.
2655 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2656 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2657 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2658 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2659 COMPOUND_EXPR operand.
2661 2018-03-21 Nathan Sidwell <nathan@acm.org>
2663 PR c++/85008
2664 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2665 * decl2.c (vague_linkage_p): Likewise.
2667 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2669 PR c++/84994
2670 * constexpr.c (constexpr_fn_retval): Make non-"static".
2671 * cp-tree.h (constexpr_fn_retval): New decl.
2672 * search.c (direct_accessor_p): Update leading comment.
2673 (reference_accessor_p): Likewise.
2674 (field_accessor_p): Replace check that function body is a
2675 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2676 indentation of "field_type" decl.
2678 2018-03-21 Nathan Sidwell <nathan@acm.org>
2680 PR c++/84804
2681 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2682 complete classes.
2684 2018-03-21 Martin Sebor <msebor@redhat.com>
2686 PR c++/84850
2687 * call.c (first_non_public_field): New template and function.
2688 (first_non_trivial_field): New function.
2689 (maybe_warn_class_memaccess): Call them.
2691 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2693 PR c++/84892
2694 * search.c (field_accessor_p): Use class_of_this_parm rather than
2695 type_of_this_parm, to check that "this" is a "const T *", rather
2696 than a "T *const".
2698 2018-03-21 Nathan Sidwell <nathan@acm.org>
2700 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2701 other than public non-static data members.
2702 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2703 parenthesized initializer.
2705 PR c++/84836
2706 * name-lookup.c (update_binding): Correct logic for local binding
2707 update.
2709 2018-03-21 Marek Polacek <polacek@redhat.com>
2711 PR c++/71638, ICE with NSDMI and reference.
2712 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2713 even when we replace an element.
2715 2018-03-20 Marek Polacek <polacek@redhat.com>
2717 PR c++/84978, ICE with NRVO.
2718 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2719 a RESULT_DECL isn't in the hash map.
2721 2018-03-20 Jason Merrill <jason@redhat.com>
2723 PR c++/84978, ICE with NRVO.
2724 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2725 (cp_get_callee_fndecl_nofold): New.
2726 * cp-gimplify.c (cp_genericize_r): Use it instead.
2727 * call.c (check_self_delegation): Likewise.
2729 2018-03-20 Nathan Sidwell <nathan@acm.org>
2731 PR c++/84962
2732 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2733 member_vec, if there is one.
2735 PR c++/84970
2736 * cp-tree.h (lookup_list_keep): Declare.
2737 * tree.c (lookup_list_keep): New, broken out of ...
2738 (build_min): ... here. Call it.
2739 * decl.c (cp_finish_decl): Call lookup_list_keep.
2741 2018-03-19 Jason Merrill <jason@redhat.com>
2743 PR c++/84937 - ICE with class deduction and auto.
2744 * pt.c (rewrite_template_parm): Fix auto handling.
2746 2018-03-19 Marek Polacek <polacek@redhat.com>
2748 PR c++/84925
2749 * pt.c (enclosing_instantiation_of): Check if fn is null.
2751 PR c++/84927
2752 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2753 as we evaluate the elements.
2754 (cxx_eval_constant_expression): Verify constructor's flags
2755 unconditionally.
2757 2018-03-19 Jason Merrill <jason@redhat.com>
2759 PR c++/71834 - template-id with too few arguments.
2760 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2762 2018-03-19 Nathan Sidwell <nathan@acm.org>
2764 PR c++/84835
2765 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2766 * pt.c (build_template_decl): Propagate language linkage.
2768 PR c++/84812
2769 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2770 ambiguous lookups.
2772 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2774 PR c/84910
2775 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2776 diagnostics.
2777 * method.c (synthesize_method): Likewise.
2778 * pt.c (convert_nontype_argument): Likewise.
2780 2018-03-16 Jason Merrill <jason@redhat.com>
2782 PR c++/84720 - ICE with rvalue ref non-type argument.
2783 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2784 (convert_nontype_argument): Revert earlier change.
2786 PR c++/80227 - SFINAE and negative array size.
2787 * decl.c (compute_array_index_type): Use
2788 build_converted_constant_expr and valid_constant_size_p.
2790 PR c++/84906 - silent wrong code with ambiguous conversion.
2791 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2792 ambiguous conversion.
2793 (convert_like_real): Check it.
2795 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2796 * call.c (build_special_member_call): Don't convert an init-list
2797 argument directly to the class type.
2799 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2801 PR c++/79937
2802 PR c++/82410
2803 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2804 (find_placeholder): Declare.
2805 * tree.c (struct replace_placeholders_t): Add exp member.
2806 (replace_placeholders_r): Don't walk into ctors with
2807 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2808 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2809 (replace_placeholders): Initialize data.exp.
2810 (find_placeholders_r, find_placeholders): New functions.
2811 * typeck2.c (process_init_constructor_record,
2812 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2813 if adding NSDMI on which find_placeholder returns true.
2814 * call.c (build_over_call): Don't call replace_placeholders here.
2815 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2816 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2817 TARGET_EXPR_INITIAL.
2818 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2819 ctor.
2821 2018-03-16 Jason Merrill <jason@redhat.com>
2823 PR c++/83911 - ICE with multiversioned constructor.
2824 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2825 dispatchere here.
2826 * call.c (build_over_call): Not here.
2828 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2830 PR c++/84874
2831 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2832 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2834 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2836 PR c++/84222
2837 * cp-tree.h (cp_warn_deprecated_use): Declare.
2838 * tree.c (cp_warn_deprecated_use): New function.
2839 * typeck2.c (build_functional_cast): Use it.
2840 * decl.c (grokparms): Likewise.
2841 (grokdeclarator): Likewise. Temporarily push nested class scope
2842 around grokparms call for out of class member definitions.
2844 2018-03-14 Jason Merrill <jason@redhat.com>
2846 PR c++/84820 - no error for invalid qualified-id.
2847 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2848 cp_error_declarator.
2850 PR c++/84801 - ICE with unexpanded pack in lambda.
2851 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2852 lambda in non-template context.
2854 PR c++/81236 - auto variable and auto function
2855 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2856 mark_used.
2858 2018-03-14 Jason Merrill <jason@redhat.com>
2860 PR c++/83916 - ICE with template template parameters.
2861 * pt.c (convert_template_argument): Don't substitute into type of
2862 non-type parameter if we don't have enough arg levels.
2863 (unify): Likewise.
2865 2018-03-14 Marek Polacek <polacek@redhat.com>
2867 PR c++/84596
2868 * semantics.c (finish_static_assert): Check
2869 instantiation_dependent_expression_p instead of
2870 {type,value}_dependent_expression_p.
2872 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2873 Jason Merrill <jason@redhat.com>
2875 PR c++/82336 - link error with list-init default argument.
2876 * decl.c (check_default_argument): Unshare an initializer list.
2878 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2880 PR c++/84843
2881 * decl.c (duplicate_decls): For redefinition of built-in, use error
2882 and return error_mark_node. For redeclaration, return error_mark_node
2883 rather than olddecl if !flag_permissive.
2885 2018-03-13 Jason Merrill <jason@redhat.com>
2887 PR c++/82565 - ICE with concepts and generic lambda.
2888 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2890 2018-03-13 Jason Merrill <jason@redhat.com>
2892 PR c++/84720 - ICE with rvalue ref non-type argument.
2893 * pt.c (convert_nontype_argument): Handle rvalue references.
2895 PR c++/84839 - ICE with decltype of parameter pack.
2896 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2897 instantiating dummy parms.
2899 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2900 parameter even without -Wpedantic.
2902 PR c++/84798 - ICE with auto in abstract function declarator.
2903 * parser.c (cp_parser_parameter_declaration_clause): Check
2904 parser->default_arg_ok_p.
2906 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2908 PR c++/84808
2909 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2910 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2911 sizetype. Formatting fixes.
2913 2018-03-12 Jason Merrill <jason@redhat.com>
2915 PR c++/84355 - ICE with deduction for member class template.
2916 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2917 CLASS_PLACEHOLDER_TEMPLATE.
2919 PR c++/84802 - ICE capturing uninstantiated class.
2920 * lambda.c (build_capture_proxy): Call complete_type.
2922 2018-03-09 Jason Merrill <jason@redhat.com>
2924 PR c++/84770 - ICE with typedef and parameter pack.
2925 * pt.c (verify_unstripped_args_1): Split out from
2926 verify_unstripped_args.
2928 PR c++/84785 - ICE with alias template and default targs.
2929 * pt.c (type_unification_real): Set processing_template_decl if
2930 saw_undeduced == 1.
2932 PR c++/84752 - ICE with capture of constexpr array.
2933 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2934 identity conversion under ck_lvalue.
2936 2018-03-09 Jason Merrill <jason@redhat.com>
2937 Paolo Carlini <paolo.carlini@oracle.com>
2939 PR c++/71169
2940 PR c++/71832
2941 * pt.c (any_erroneous_template_args_p): New.
2942 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2943 * parser.c (cp_parser_class_specifier_1): Use it.
2945 2018-03-09 Jason Merrill <jason@redhat.com>
2947 PR c++/84726 - unnecessary capture of constant vars.
2948 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2949 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2950 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2951 * lambda.c (is_constant_capture_proxy)
2952 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2953 (prune_lambda_captures): New.
2954 (finish_lambda_function): Call prune_lambda_captures.
2956 2018-03-09 Jason Merrill <jason@redhat.com>
2957 Jakub Jelinek <jakub@redhat.com>
2959 PR c++/84076
2960 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2961 build ADDR_EXPR with REFERENCE_TYPE.
2962 (build_over_call): For purposes of check_function_arguments, if
2963 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2964 its operand rather than the argument itself.
2966 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2968 PR c++/84724
2969 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2970 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2971 also a note and return olddecl.
2973 2018-03-09 Nathan Sidwell <nathan@acm.org>
2975 PR c++/84733
2976 * name-lookup.c (do_pushdecl_with_scope): Only clear
2977 current_function_decl when pushing a non-class (i.e. namespace)
2978 scope.
2980 2018-03-08 Jason Merrill <jason@redhat.com>
2981 Jakub Jelinek <jakub@redhat.com>
2983 PR c++/80598
2984 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2985 not calling mark_used for the benefit of -Wunused-function warning.
2987 2018-03-06 Jason Merrill <jason@redhat.com>
2989 * lambda.c (is_capture_proxy_with_ref): Remove.
2990 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2992 2018-03-06 Marek Polacek <polacek@redhat.com>
2994 PR c++/84684
2995 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2996 arguments.
2998 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
3000 PR c++/84231
3001 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
3002 only while processing template decls.
3003 * typeck.c (build_x_conditional_expr): Move wrapping of
3004 reference type around type...
3005 * call.c (build_conditional_expr_1): ... here. Rename
3006 is_lvalue to is_glvalue.
3007 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
3008 INDIRECT_REF of COND_EXPR too.
3010 PR c++/84593
3011 * init.c (build_zero_init_1): Zero-initialize references.
3013 PR c++/84492
3014 * semantics.c (finish_stmt_expr_expr): Reject unresolved
3015 overloads used as stmt expr values.
3017 2018-03-05 Jason Merrill <jason@redhat.com>
3019 PR c++/84708 - ICE with lambda in local class NSDMI.
3020 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
3021 context.
3023 2018-03-05 Jakub Jelinek <jakub@redhat.com>
3025 PR c++/84684
3026 * constexpr.c (constexpr_call_hasher::equal): Return false if
3027 lhs->hash != rhs->hash. Change return 1 to return true and
3028 return 0 to return false.
3030 2018-03-05 Nathan Sidwell <nathan@acm.org>
3032 PR c++/84702
3033 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
3035 2018-03-05 Marek Polacek <polacek@redhat.com>
3037 PR c++/84707
3038 * decl.c (duplicate_decls): Check DECL_NAME before accessing
3039 UDLIT_OPER_P.
3041 2018-03-05 Nathan Sidwell <nathan@acm.org>
3043 PR c++/84694
3044 * friend.c (do_friend): Restore check for identifier_p inside
3045 TEMPLATE_ID_EXPR.
3047 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
3049 PR c++/84618
3050 * parser.c (cp_parser_lambda_introducer): Reject any capture not
3051 involving a VAR_DECL or a PARM_DECL.
3053 2018-03-05 Pádraig Brady <P@draigBrady.com>
3054 Jason Merrill <jason@redhat.com>
3055 Nathan Sidwell <nathan@acm.org>
3057 PR c++/84497
3058 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
3060 2018-03-03 Jason Merrill <jason@redhat.com>
3062 PR c++/84686 - missing volatile loads.
3063 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
3065 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
3067 PR c++/71464
3068 * optimize.c (maybe_thunk_body): Bail out immediately if either
3069 fns[0] or fns[1] is null.
3071 2018-03-02 Marek Polacek <polacek@redhat.com>
3073 PR c++/84578
3074 * constexpr.c (get_array_or_vector_nelts): New.
3075 (cxx_eval_array_reference): Use it.
3076 (cxx_eval_vec_init_1): Likewise.
3077 (cxx_eval_store_expression): Likewise.
3079 2018-03-02 Jason Merrill <jason@redhat.com>
3081 * semantics.c (force_paren_expr): Remove redundant test.
3083 2018-03-02 Marek Polacek <polacek@redhat.com>
3085 PR c++/84663
3086 * decl.c (cp_complete_array_type): Check error_mark_node.
3088 PR c++/84664
3089 * typeck.c (cp_perform_integral_promotions): Check the result of
3090 mark_rvalue_use.
3092 2018-03-02 Jakub Jelinek <jakub@redhat.com>
3094 PR c++/84662
3095 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
3096 RETURN instead of return.
3097 <case POINTER_PLUS_EXPR>: Likewise.
3098 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
3099 it instead of wrapping it into CONVERT_EXPR.
3101 2018-03-02 Jason Merrill <jason@redhat.com>
3103 Fix MIPS16 ICE.
3104 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
3106 2018-03-02 Marek Polacek <polacek@redhat.com>
3108 PR c++/84590
3109 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
3110 wrapped in VIEW_CONVERT_EXPR.
3112 2018-03-01 Martin Sebor <msebor@redhat.com>
3114 PR c++/84294
3115 * decl.c (check_redeclaration_no_default_args): Merge attributes
3116 specified on redeclarations of the same function template.
3117 Remove dead code.
3119 2018-03-01 Marek Polacek <polacek@redhat.com>
3120 Jason Merrill <jason@redhat.com>
3122 PR c++/84582
3123 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
3124 a template.
3125 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
3126 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
3127 of instantiate_non_dependent_expr.
3128 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3130 2018-03-01 Nathan Sidwell <nathan@acm.org>
3132 PR c++/84434
3133 * name-lookup.c (member_vec_dedup): Remove manually peeled
3134 iteration. Ignore dependent ctor inheritance.
3136 2018-03-01 Jason Merrill <jason@redhat.com>
3138 PR c++/71569 - decltype of template.
3139 * parser.c (cp_parser_decltype_expr): Handle missing template args.
3141 2018-03-01 Marek Polacek <polacek@redhat.com>
3143 PR c++/84596
3144 * constexpr.c (require_rvalue_constant_expression): New function.
3145 * cp-tree.h: Declare it.
3146 * semantics.c (finish_static_assert): Use it instead of
3147 require_potential_rvalue_constant_expression.
3149 2018-03-01 Jason Merrill <jason@redhat.com>
3150 Alexandre Oliva <aoliva@redhat.com>
3152 PR c++/71569 - ICE with redundant args on member variable template.
3153 * decl.c (start_decl): Handle partial specialization of member
3154 variable template.
3155 * pt.c (determine_specialization): Allow partial specialization
3156 of member variable template without specializing enclosing class.
3157 (process_partial_specialization): Improve error message.
3159 2018-02-28 Jason Merrill <jason@redhat.com>
3161 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3162 * pt.c (determine_specialization): Check ref-qualifier.
3164 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3166 PR c++/84609
3167 * parser.c (cp_parser_attributes_opt): Formatting fix.
3168 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3169 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3170 New functions.
3171 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3172 instead of tentative parse to peek over optional attribute tokens
3173 to check for CPP_COLON after them.
3175 PR c++/83871
3176 PR c++/83503
3177 * pt.c (INCLUDE_STRING): Remove define.
3178 (warn_spec_missing_attributes): Use pretty_printer instead of
3179 std::string. Fix up inform call so that the list of attributes
3180 is in %s argument.
3182 2018-02-28 Martin Sebor <msebor@redhat.com>
3184 PR testsuite/84617
3185 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3186 and malloc.
3188 2018-02-28 Nathan Sidwell <nathan@acm.org>
3190 PR c++/84602
3191 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3192 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3193 regardless of want_type.
3194 (search_anon_aggr): Just use get_class_binding_direct.
3196 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3198 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3199 inform_n.
3201 2018-02-27 Martin Sebor <msebor@redhat.com>
3203 * pt.c: Avoid including <string> directly.
3205 2018-02-27 Martin Sebor <msebor@redhat.com>
3207 PR c++/83871
3208 PR c++/83503
3209 * cp-tree.h (warn_spec_missing_attributes): New function.
3210 ((check_explicit_specialization): Add an argument. Call the above
3211 function.
3212 * decl.c (duplicate_decls): Avoid applying primary function template's
3213 attributes to its explicit specializations.
3214 cp/pt.c (warn_spec_missing_attributes): Define.
3216 2018-02-27 Håkon Sandsmark <hsandsmark@gmail.com>
3218 PR c++/71546 - lambda init-capture with qualified-id.
3219 * parser.c (cp_parser_lambda_introducer): Clear scope after
3220 each lambda capture.
3222 2018-02-27 Nathan Sidwell <nathan@acm.org>
3224 PR c++/84426
3225 * name-lookup.h (get_member_slot): Rename ...
3226 (find_member_slot): ... here.
3227 (add_member_slot): New.
3228 * name-lookup.c (member_vec_linear_search): No need to check for
3229 NULL slot.
3230 (get_member_slot): Rename ...
3231 (find_member_slot): ... here. Don't add slot for incomplete class.
3232 (add_member_slot): New.
3233 * class.c (add_method): Adjust get_member_slot rename. Bail out
3234 if push_class_level_binding fails. Create slot and grok
3235 properties once we're committed to insertion.
3237 2018-02-27 Jason Merrill <jason@redhat.com>
3239 PR c++/84489 - dependent default template argument
3240 * pt.c (type_unification_real): Handle early substitution failure.
3242 2018-02-26 Jason Merrill <jason@redhat.com>
3244 PR c++/84560 - ICE capturing multi-dimensional VLA.
3245 * tree.c (array_of_runtime_bound_p): False if the element is
3246 variably-modified.
3248 PR c++/84441 - ICE with base initialized from ?:
3249 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3251 PR c++/84520 - ICE with generic lambda in NSDMI.
3252 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3253 'this' in a generic lambda instantiation.
3255 PR c++/84559 - ICE with constexpr VLA.
3256 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3257 for constexpr variable with VLA type.
3259 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3261 PR c++/84558
3262 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3263 a valid constant initializer. Formatting fixes.
3265 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3267 PR c++/84540
3268 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3269 returning NULL_TREE.
3270 (apply_late_template_attributes): Likewise.
3272 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3274 PR c++/84557
3275 * parser.c (cp_parser_omp_var_list_no_open): Only call
3276 cp_parser_lookup_name_simple on names satisfying identifier_p.
3277 (cp_parser_oacc_routine): Likewise.
3279 2018-02-26 Jason Merrill <jason@redhat.com>
3281 PR c++/84551 - ICE with concepts and -g.
3282 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3284 2018-02-26 Marek Polacek <polacek@redhat.com>
3286 PR c++/84325
3287 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3288 non-types.
3290 2018-02-26 Jason Merrill <jason@redhat.com>
3292 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3293 * call.c (build_over_call): Handle deleted functions in one place.
3295 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3297 PR c++/84533
3298 * decl.c (redeclaration_error_message): Don't try to use
3299 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3301 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3303 * lambda.c (build_capture_proxy): Define static.
3304 * cp-tree.h (build_capture_proxy): Remove.
3306 2018-02-26 Marek Polacek <polacek@redhat.com>
3308 PR c++/84537
3309 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3310 if name is error node.
3312 2018-02-25 Jason Merrill <jason@redhat.com>
3314 PR c++/84015 - ICE with class deduction and auto template parm.
3315 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3317 2018-02-24 Marek Polacek <polacek@redhat.com>
3319 PR c++/83692
3320 * constexpr.c (maybe_constant_init_1): New function.
3321 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3322 (cxx_constant_init): New function.
3323 * cp-tree.h (cxx_constant_init): Declare.
3324 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3325 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3327 2018-02-22 Jason Merrill <jason@redhat.com>
3329 PR c++/70468 - ICE with constructor delegation via typedef.
3330 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3331 with constructor delegation.
3333 2018-02-22 Jason Merrill <jason@redhat.com>
3335 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3336 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3337 VECTOR_TYPE.
3339 2018-02-22 Marek Polacek <polacek@redhat.com>
3341 PR c++/84493
3342 * parser.c (cp_parser_braced_list): Use require_open instead of
3343 consume_open.
3345 2018-02-21 Jason Merrill <jason@redhat.com>
3347 PR c++/84454 - ICE with pack expansion in signature.
3348 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3350 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3352 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3353 IF_STMT.
3355 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3357 PR c++/84446
3358 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3359 on error_mark_node.
3361 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3363 PR c++/84445
3364 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3365 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3367 PR c++/84449
3368 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3369 returns error_mark_node, return it immediately.
3370 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3371 error_mark_node, return error_mark_node.
3373 PR c++/84455
3374 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3375 function_depth to avoid GC during finish_lambda_function.
3377 2018-02-19 Jason Merrill <jason@redhat.com>
3379 PR c++/84429 - ICE capturing VLA.
3380 * lambda.c (build_capture_proxy): Handle reference refs.
3382 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3384 PR c++/84448
3385 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3386 either operand is error_mark_node, set current.lhs to that instead of
3387 creating a binary op with error_mark_node operands.
3389 PR c++/84430
3390 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3392 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3394 PR c++/84348
3395 * decl.c (grokdeclarator): Early return error_mark_node upon
3396 ill-formed friend declaration.
3398 2018-02-16 Marek Polacek <polacek@redhat.com>
3399 Jakub Jelinek <jakub@redhat.com>
3401 PR c++/84192
3402 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3403 set *jump_target to anything if jump_target is NULL.
3405 2018-02-16 Jason Merrill <jason@redhat.com>
3407 PR c++/84151 - unnecessary volatile load with static member.
3408 * call.c (build_new_method_call_1): Avoid loading from a volatile
3409 lvalue used as the object argument for a static member function.
3411 PR c++/81853 - using-directive and constexpr.
3412 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3414 PR c++/84420 - ICE with structured binding in lambda.
3415 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3417 PR c++/83835 - C++17 error with constructor ctors.
3418 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3420 PR c++/82664 - ICE with reference to function template parm.
3421 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3422 NOP_EXPRs.
3424 PR c++/82764 - C++17 ICE with empty base
3425 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3427 2018-02-16 Jason Merrill <jason@redhat.com>
3429 PR c++/84421 - type-dependent if constexpr
3430 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3432 2018-02-16 Nathan Sidwell <nathan@acm.org>
3434 Deprecate -ffriend-injection.
3435 * decl.c (cxx_init_decl_processing): Emit warning on option.
3436 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3437 friend.
3439 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3441 PR c++/82468
3442 * decl.c (check_special_function_return_type): Reject template
3443 template parameter in deduction guide.
3445 2018-02-16 Nathan Sidwell <nathan@acm.org>
3447 PR c++/84375
3448 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3450 2018-02-15 Jason Merrill <jason@redhat.com>
3452 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3453 * call.c (convert_like_real): Don't use the copy-list-initialization
3454 shortcut for ck_base.
3456 PR c++/84045 - ICE with typedef and noexcept.
3457 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3459 PR c++/84376 - ICE with omitted template arguments.
3460 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3462 PR c++/84368 - wrong error with local variable in variadic lambda.
3463 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3464 local_specializations.
3466 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3468 PR c++/84330
3469 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3470 as first argument.
3472 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3474 PR c++/84350
3475 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3476 init, early return.
3478 2018-02-14 Nathan Sidwell <nathan@acm.org>
3480 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3481 (c_parse_final_cleanups): Restore input_location after emitting
3482 vtables.
3484 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3486 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3487 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3488 auto_deduction_context, tree, int): Add defaults.
3489 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3490 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3491 tsubst_flags_t argument.
3492 * init.c (build_new): Likewise.
3494 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3496 PR c++/84364
3497 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3498 about return other than *this in assignment operators if
3499 retval is type dependent expression.
3501 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3503 PR c++/84333
3504 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3505 save_expr for the G++ extension.
3507 2018-02-13 Jason Merrill <jason@redhat.com>
3509 PR c++/84080 - ICE with return type deduction and specialization.
3510 * pt.c (determine_specialization): Check uses_template_parms.
3512 Fix more variadic capture issues.
3513 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3514 (check_for_bare_parameter_packs): Check current_class_type for
3515 lambda context.
3516 (extract_locals_r): Handle seeing a full instantiation of a pack.
3517 (tsubst_pack_expansion): Likewise. Force lambda capture.
3518 * parser.c (cp_parser_lambda_introducer): Don't
3519 check_for_bare_parameter_packs.
3521 PR c++/84338 - wrong variadic sizeof.
3522 * pt.c (argument_pack_select_arg): Like the macro, but look through
3523 a pack expansion.
3524 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3525 (extract_fnparm_pack): Do make_pack_expansion.
3526 (extract_locals_r): Do strip a pack expansion.
3527 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3529 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3531 PR c++/84341
3532 * parser.c (cp_parser_binary_expression): Use build_min instead of
3533 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3535 2018-02-12 Nathan Sidwell <nathan@acm.org>
3537 PR c++/84263
3538 * parser.c (cp_parser_decltype): Push and pop
3539 deferring_access_checks. Reorganize to avoid goto.
3541 2018-02-12 Richard Biener <rguenther@suse.de>
3543 PR c++/84281
3544 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3545 uniform constructors and delay allocating them fully.
3547 2018-02-09 Jason Merrill <jason@redhat.com>
3549 PR c++/84036 - ICE with variadic capture.
3550 Handle variadic capture proxies more like non-variadic.
3551 * lambda.c (build_capture_proxy): Remove workaround.
3552 * pt.c (find_parameter_packs_r): The proxy is a pack.
3553 (instantiate_class_template_1): Remove dead lambda code.
3554 (extract_fnparm_pack): Don't make_pack_expansion.
3555 (extract_locals_r): Don't strip a pack expansion.
3556 (tsubst_pack_expansion): Handle proxy packs. Use
3557 PACK_EXPANSION_EXTRA_ARGS less.
3558 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3559 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3560 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3561 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3562 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3564 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3566 PR sanitizer/83987
3567 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3569 2018-02-09 Jason Merrill <jason@redhat.com>
3571 PR c++/81917 - ICE with void_t and partial specialization.
3572 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3573 calling most_specialized_partial_spec.
3575 2018-02-09 Nathan Sidwell <nathan@acm.org>
3577 PR c/84293
3578 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3579 Pass expr location to strict_aliasing_warning.
3581 2018-02-09 Jason Merrill <jason@redhat.com>
3583 PR c++/84296 - ICE with qualified-id in template.
3584 PR c++/83714
3585 * pt.c (unknown_base_ref_p): New.
3586 (instantiation_dependent_scope_ref_p): Use it instead of
3587 any_dependent_bases_p.
3589 2018-02-09 Marek Polacek <polacek@redhat.com>
3590 Jakub Jelinek <jakub@redhat.com>
3592 PR c++/83659
3593 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3594 fold_indirect_ref_1, including poly_*int64. Verify first that
3595 tree_fits_poly_int64_p (op01). Formatting fixes.
3597 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3599 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3600 * lambda.c (build_capture_proxy): Likewise.
3601 * search.c (field_access_p): Likewise.
3602 * semantics.c (omp_clause_decl, omp_privatize_field,
3603 finish_omp_clauses): Likewise.
3605 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3607 PR c++/83806
3608 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3609 case of nullptr too.
3611 2018-02-08 Nathan Sidwell <nathan@acm.org>
3613 * class.c (finish_struct): Fix std:initializer_list diagnostic
3614 formatting.
3616 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3618 PR c++/83204
3619 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3621 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3623 PR c++/84082
3624 * parser.c (cp_parser_dot_deref_incomplete): New function.
3625 (cp_parser_postfix_dot_deref_expression): Use it.
3627 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3629 PR c++/81610
3630 PR c++/80567
3631 * name-lookup.c (suggest_rid_p): New function.
3632 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3633 suggest_rid_p.
3635 2018-02-07 Jason Merrill <jason@redhat.com>
3637 PR c++/84182 - ICE with captured lambda
3638 PR c++/84181
3639 * pt.c (extract_locals_r, extract_local_specs): New.
3640 (tsubst_pack_expansion): Use them.
3642 2018-02-07 Martin Liska <mliska@suse.cz>
3644 PR c++/84059.
3645 * class.c (add_method): Append argument value.
3646 * cp-tree.h (maybe_version_functions): Add new argument.
3647 * decl.c (decls_match): Call it if a declaration does not
3648 have DECL_FUNCTION_VERSIONED.
3649 (maybe_version_functions): record argument is added.
3651 2018-02-05 Marek Polacek <polacek@redhat.com>
3653 * class.c: Remove unused global variables.
3654 (build_primary_vtable): Don't gather statistics.
3655 (print_class_statistics): Remove.
3656 * cp-tree.h (print_class_statistics): Remove.
3657 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3659 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3661 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3662 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3663 * decl.c (next_initializable_field, find_decomp_class_base,
3664 cp_finish_decomp): Likewise.
3665 * typeck2.c (process_init_constructor_record): Likewise.
3667 2018-02-02 Jason Merrill <jason@redhat.com>
3669 PR c++/84181 - ICE with lambda parm in template argument.
3670 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3672 2018-02-01 Jason Merrill <jason@redhat.com>
3674 PR c++/84160 - ICE with nested variadic capture.
3675 * lambda.c (is_capture_proxy_with_ref): New.
3676 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3677 COMPONENT_REF.
3678 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3679 * constexpr.c (potential_constant_expression_1): Likewise.
3680 * semantics.c (process_outer_var_ref): Likewise.
3682 2018-02-01 Marek Polacek <polacek@redhat.com>
3684 PR c++/84125
3685 * typeck.c (build_address): Relax the assert when
3686 processing_template_decl.
3688 2018-02-01 Jason Merrill <jason@redhat.com>
3690 PR c++/84126 - ICE with variadic generic lambda
3691 PR c++/84036
3692 PR c++/82249
3693 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3694 PACK_EXPANSION_EXTRA_ARGS.
3696 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3698 PR c++/83796
3699 * call.c (convert_like_real): If w're initializing from {} explicitly
3700 call abstract_virtuals_error_sfinae.
3702 2018-01-31 Jason Merrill <jason@redhat.com>
3703 Jakub Jelinek <jakub@redhat.com>
3705 PR c++/83993
3706 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3707 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3708 on ADDR_EXPR.
3710 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3712 PR c++/83993
3713 * constexpr.c (diag_array_subscript): Emit different diagnostics
3714 if TYPE_DOMAIN (arraytype) is NULL.
3715 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3716 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3718 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3720 PR c++/84092
3721 * semantics.c (finish_qualified_id_expr): When handling an
3722 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3724 2018-01-31 Marek Polacek <polacek@redhat.com>
3726 PR c++/84138
3727 * cp-gimplify.c (cp_fold): Check if X is an error node before
3728 calling useless_type_conversion_p.
3730 2018-01-30 Jason Merrill <jason@redhat.com>
3732 PR c++/84091 - ICE with local class in lambda in template.
3733 * decl2.c (determine_visibility): Look for outer containing template
3734 instantiation.
3736 PR c++/84098 - ICE with lambda in template NSDMI.
3737 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3739 2018-01-29 Jason Merrill <jason@redhat.com>
3741 PR c++/68810 - wrong location for reinterpret_cast error.
3742 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3743 !dofold.
3745 2018-01-29 Marek Polacek <polacek@redhat.com>
3747 PR c++/83996
3748 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3749 => fooarray[1] in offset_int.
3751 2018-01-29 Jason Merrill <jason@redhat.com>
3753 PR c++/83942 - wrong unused warning with static_cast.
3754 * cvt.c (ocp_convert): Call mark_rvalue_use.
3756 2018-01-26 Jason Merrill <jason@redhat.com>
3758 PR c++/83956 - wrong dtor error with anonymous union
3759 * method.c (walk_field_subobs): Variant members only affect
3760 deletedness.
3761 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3763 PR c++/84036 - ICE with variadic capture.
3764 PR c++/82249
3765 * pt.c (tsubst_pack_expansion): When optimizing a simple
3766 substitution, pull a single pack expansion out of its pack.
3768 PR c++/82514 - ICE with local class in generic lambda.
3769 * pt.c (regenerated_lambda_fn_p): Remove.
3770 (enclosing_instantiation_of): Don't use it.
3771 (tsubst_function_decl): Call enclosing_instantiation_of.
3773 * pt.c (lookup_template_class_1): Add sanity check.
3774 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3776 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3778 PR c++/84031
3779 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3780 recursive calls that return ret.
3781 (cp_finish_decomp): Ignore unnamed bitfields.
3783 2018-01-23 Jason Merrill <jason@redhat.com>
3785 PR c++/82249 - wrong mismatched pack length error.
3786 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3787 unsubstituted function parameter pack.
3789 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3791 PR c++/83921
3792 * decl.c (check_for_uninitialized_const_var): Not static; add
3793 bool and tsubst_flags_t parameters; adjust to be used both in
3794 constexpr context and not.
3795 * constexpr.c (potential_constant_expression_1): Use the above.
3796 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3798 2018-01-23 Jason Merrill <jason@redhat.com>
3800 PR c++/83947 - ICE with auto declarations.
3801 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3802 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3804 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3806 PR c++/83974
3807 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3808 for pointer to member function types.
3810 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3812 PR sanitizer/83987
3813 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3814 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3816 2018-01-23 Nathan Sidwell <nathan@acm.org>
3818 PR c++/83988
3819 * pt.c (tsubst_baselink): Remove optype assert.
3820 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3822 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3824 PR c++/83958
3825 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3826 refers to incomplete type.
3828 2018-01-23 Nathan Sidwell <nathan@acm.org>
3830 Deprecate ARM-era for scope handling
3831 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3832 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3833 cleared.
3834 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3835 cleanup handling.
3836 * semantics.c (begin_for_scope): Flag_new_for_scope is
3837 boolean-like.
3838 (finish_for_stmt, begin_range_for_stmt): Likewise.
3840 2018-01-22 Jason Merrill <jason@redhat.com>
3842 PR c++/83720
3843 * decl2.c (determine_visibility): Fix template_decl handling
3844 instead of blocking it.
3846 PR c++/83720 - ICE with lambda and LTO.
3847 * decl2.c (determine_visibility): Clear template_decl for
3848 function-scope decls. Propagate anonymous linkage from containing
3849 function.
3851 2018-01-22 Marek Polacek <polacek@redhat.com>
3853 PR c++/81933
3854 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3855 split out anything.
3857 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3859 PR c++/83895
3860 * decl.c (grokdeclarator): Don't diagnose extra parens
3861 on typedefs.
3863 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3865 PR c++/81167
3866 * call.c (joust): Use TREE_TYPE (source) if source is
3867 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3869 PR c++/83919
3870 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3871 for direct enum init.
3872 * decl.c (reshape_init): Likewise.
3874 2018-01-19 Marek Polacek <polacek@redhat.com>
3876 * constexpr.c (fold_simple): Simplify.
3878 2018-01-18 Jason Merrill <jason@redhat.com>
3880 PR c++/83714
3881 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3882 * pt.c (instantiation_dependent_scope_ref_p): True if
3883 any_dependent_bases_p.
3885 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3887 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3888 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3890 2018-01-18 Jason Merrill <jason@redhat.com>
3892 PR c++/82461 - constexpr list-initialized member
3893 * constexpr.c (potential_constant_expression_1): Check
3894 TARGET_EXPR_DIRECT_INIT_P.
3896 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3898 PR c++/81013
3899 * decl.c (xref_basetypes): Early return upon error about derived
3900 union.
3902 2018-01-18 Nathan Sidwell <nathan@acm.org>
3904 PR c++/83160
3905 * cp-tree.h (mark_use): Declare.
3906 * expr.c (mark_use): Make extern.
3907 * call.c (direct_reference_binding): Set inner conv's
3908 rvaluedness_matches_p, if it is an identity.
3909 (convert_like_real): Mark lvalue or rvalue use for identity as
3910 rvaledness_matches_p demands.
3912 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3914 PR c++/83824
3915 * parser.c (attr_chainon): New function.
3916 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3917 cp_parser_namespace_definition, cp_parser_init_declarator,
3918 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3919 cp_parser_gnu_attributes_opt): Use it.
3920 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3921 cp_parser_objc_struct_declaration): Likewise. Don't reset
3922 prefix_attributes if attributes is error_mark_node.
3924 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3926 PR c++/78344
3927 * decl.c (grokdeclarator): Do not append the error_mark_node
3928 due to an erroneous optional attribute-specifier-seq.
3930 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3932 PR c++/83897
3933 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3934 CLEANUP_POINT_EXPR.
3936 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3938 PR c++/81054
3939 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3940 error_mark_node when we give an error.
3941 * decl.c (cp_finish_decl): Use the latter.
3943 2018-01-17 Nathan Sidwell <nathan@acm.org>
3945 PR c++/83287
3946 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3948 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3950 PR c++/83814
3951 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3952 the C++ part. If processing a template, call
3953 fold_non_dependent_expr rather than fully folding.
3955 2018-01-17 Jason Merrill <jason@redhat.com>
3957 PR c++/81067 - redundant NULL warning.
3958 * call.c (convert_like_real): Restore null_node handling.
3960 2018-01-17 Jason Merrill <jason@redhat.com>
3962 PR c++/81843 - ICE with variadic member template.
3963 PR c++/72801
3964 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3965 template args.
3967 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3969 PR c++/83799
3970 * pt.c (type_dependent_expression_p): Strip any location wrapper
3971 before testing tree codes.
3972 (selftest::test_type_dependent_expression_p): New function.
3973 (selftest::cp_pt_c_tests): Call it.
3975 2018-01-17 Nathan Sidwell <nathan@acm.org>
3977 PR c++/83739
3978 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3979 this not a final instantiation.
3981 2018-01-16 Jason Merrill <jason@redhat.com>
3983 PR c++/83714 - ICE checking return in template.
3984 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3986 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3988 PR c++/83817
3989 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3990 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3991 instead of CALL_FROM_THUNK_P.
3993 PR c++/83825
3994 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3995 (resort_type_member_vec, set_class_bindings,
3996 insert_late_enum_def_bindings): Use vec qsort method instead of
3997 calling qsort directly.
3999 2018-01-15 Martin Sebor <msebor@redhat.com>
4001 PR c++/83588
4002 * class.c (find_flexarrays): Make a record of multiple flexible array
4003 members.
4005 2018-01-12 Jason Merrill <jason@redhat.com>
4007 PR c++/83186 - ICE with static_cast of list-initialized temporary.
4008 * typeck.c (build_static_cast): Use build_non_dependent_expr.
4010 2018-01-12 Nathan Sidwell <nathan@acm.org>
4012 * cp-tree.h (mark_rvalue_use): Add parm name.
4013 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
4014 mark_rvalue_use.
4015 * call.c (convert_like_real): Fix formatting.
4017 2018-01-11 Jason Merrill <jason@redhat.com>
4019 PR c++/82728 - wrong -Wunused-but-set-variable
4020 PR c++/82799
4021 PR c++/83690
4022 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
4023 * decl.c (case_conversion): Likewise.
4024 * semantics.c (finish_static_assert): Call
4025 perform_implicit_conversion_flags.
4027 2018-01-11 Nathan Sidwell <nathan@acm.org>
4029 * method.c (enum mangling_flags): Delete long-dead enum.
4031 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4033 * parser.c (cp_parser_std_attribute_spec): When
4034 token_pair::require_open / require_close return false simply
4035 return error_mark_node, avoid duplicate cp_parser_error about
4036 expected '(' / ')', respectively.
4038 2018-01-10 David Malcolm <dmalcolm@redhat.com>
4040 PR c++/43486
4041 * call.c (null_ptr_cst_p): Strip location wrappers when
4042 converting from '0' to a pointer type in C++11 onwards.
4043 (conversion_null_warnings): Replace comparison with null_node with
4044 call to null_node_p.
4045 (build_over_call): Likewise.
4046 * cp-gimplify.c (cp_fold): Remove the early bailout when
4047 processing_template_decl.
4048 * cp-lang.c (selftest::run_cp_tests): Call
4049 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
4050 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
4051 (selftest::run_cp_tests): Move decl to bottom of file.
4052 (null_node_p): New inline function.
4053 (selftest::cp_pt_c_tests): New decl.
4054 (selftest::cp_tree_c_tests): New decl.
4055 * cvt.c (build_expr_type_conversion): Replace comparison with
4056 null_node with call to null_node_p.
4057 * error.c (args_to_string): Likewise.
4058 * except.c (build_throw): Likewise.
4059 * mangle.c (write_expression): Skip location wrapper nodes.
4060 * parser.c (literal_integer_zerop): New function.
4061 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
4062 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
4063 param of cp_parser_parenthesized_expression_list. When calling
4064 warn_for_memset, replace integer_zerop calls with
4065 literal_integer_zerop, eliminating the double logical negation
4066 cast to bool. Eliminate the special-casing for CONST_DECL in
4067 favor of the fold_for_warn within warn_for_memset.
4068 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
4069 param, defaulting to false. Convert "expr" to a cp_expr, and call
4070 maybe_add_location_wrapper on it when wrap_locations_p is true.
4071 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
4072 the result for RID_ALIGNOF and RID_SIZEOF.
4073 (cp_parser_builtin_offsetof): Likewise.
4074 * pt.c: Include "selftest.h".
4075 (tsubst_copy): Handle location wrappers.
4076 (tsubst_copy_and_build): Likewise.
4077 (build_non_dependent_expr): Likewise.
4078 (selftest::test_build_non_dependent_expr): New function.
4079 (selftest::cp_pt_c_tests): New function.
4080 * tree.c: Include "selftest.h".
4081 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
4082 (selftest::test_lvalue_kind): New function.
4083 (selftest::cp_tree_c_tests): New function.
4084 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
4085 (cp_build_binary_op): Replace comparison with null_node with call
4086 to null_node_p.
4087 (build_address): Use location of operand when building address
4088 expression.
4090 2018-01-10 Marek Polacek <polacek@redhat.com>
4092 PR c++/82541
4093 * call.c (build_conditional_expr_1): Check complain before warning.
4094 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
4095 -Wduplicated-branches.
4097 2018-01-10 Jakub Jelinek <jakub@redhat.com>
4099 PR c++/81327
4100 * call.c (maybe_warn_class_memaccess): Add forward declaration.
4101 Change last argument from tree * to const vec<tree, va_gc> *, adjust
4102 args uses and check number of operands too. Don't strip away any
4103 nops. Use maybe_constant_value when looking for INTEGER_CST args.
4104 Deal with src argument not having pointer type. Check
4105 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
4106 test.
4107 (build_over_call): Call maybe_warn_class_memaccess here on the
4108 original arguments.
4109 (build_cxx_call): Rather than here on converted arguments.
4111 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
4113 PR c++/81055
4114 * init.c (build_vec_init): Avoid building an INIT_EXPR with
4115 error_mark_node as second argument.
4117 2018-01-09 Jakub Jelinek <jakub@redhat.com>
4119 PR c++/83734
4120 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
4121 in STATEMENT_LIST. Remove unneeded assert.
4123 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
4124 Alan Hayward <alan.hayward@arm.com>
4125 David Sherwood <david.sherwood@arm.com>
4127 * constexpr.c (cxx_eval_array_reference): Handle polynomial
4128 VECTOR_CST_NELTS.
4129 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4130 * call.c (build_conditional_expr_1): Likewise.
4131 * decl.c (cp_finish_decomp): Likewise.
4132 * mangle.c (write_type): Likewise.
4133 * typeck.c (structural_comptypes): Likewise.
4134 (cp_build_binary_op): Likewise.
4135 * typeck2.c (process_init_constructor_array): Likewise.
4137 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4139 PR c++/83555
4140 * typeck.c (build_static_cast_1): For static casts to reference types,
4141 call build_base_path with flag_delete_null_pointer_checks as nonnull
4142 instead of always false. When -fsanitize=null, call
4143 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4144 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4145 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4147 2018-01-03 Nathan Sidwell <nathan@acm.org>
4149 PR c++/83667
4150 * method.c (make_alias_for): Copy DECL_CONTEXT.
4152 2018-01-03 Marek Polacek <polacek@redhat.com>
4154 PR c++/83592
4155 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4157 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4159 PR preprocessor/83602
4160 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4161 for builtin macros.
4163 PR c++/83634
4164 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4165 error_mark_node, return error_mark_node.
4167 Update copyright years.
4169 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4171 PR c++/83556
4172 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4173 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4174 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4175 to false and return.
4176 (replace_placeholders): Pass NULL instead of &pset as last argument
4177 to cp_walk_tree.
4179 2018-01-02 Nathan Sidwell <nathan@acm.org>
4181 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4182 lval var.
4183 \f
4184 Copyright (C) 2018 Free Software Foundation, Inc.
4186 Copying and distribution of this file, with or without modification,
4187 are permitted in any medium without royalty provided the copyright
4188 notice and this notice are preserved.