1 2018-10-03 Martin Liska <mliska@suse.cz>
4 * parser.c (cp_parser_lambda_declarator_opt):
5 Set DECL_LAMBDA_FUNCTION for lambdas.
7 2018-10-02 Richard Biener <rguenther@suse.de>
9 * name-lookup.c (check_local_shadow): Do not test DECL_FROM_INLINE.
11 2018-09-28 Eric Botcazou <ebotcazou@adacore.com>
12 Pierre-Marie de Rodat <derodat@adacore.com>
14 * method.c (use_thunk): Adjust call to cgraph_node::create_thunk.
16 2018-09-28 Richard Biener <rguenther@suse.de>
18 * error.c (cp_print_error_function): Simplify by eliding
19 the BLOCK_ABSTRACT_ORIGIN chasing.
21 2018-09-27 Paolo Carlini <paolo.carlini@oracle.com>
24 * semantics.c (finish_unary_op_expr): Check return value of
25 build_x_unary_op for error_mark_node.
27 2018-09-25 Jakub Jelinek <jakub@redhat.com>
30 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
31 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
33 2018-09-25 Martin Liska <mliska@suse.cz>
35 * name-lookup.c (namespace_scope_ht_size): Remove
37 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
39 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
42 * method.c (lazily_declare_fn): During error-recovery add_method
45 2018-09-21 Marek Polacek <polacek@redhat.com>
47 PR c++/87372 - __func__ constexpr evaluation.
48 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
49 cxx_eval_outermost_constant_expr.
51 2018-09-20 Marek Polacek <polacek@redhat.com>
53 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
54 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
55 check to only return if we're converting the return value to a base
58 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
60 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
62 2018-09-20 Jason Merrill <jason@redhat.com>
64 PR c++/87075 - ICE with constexpr array initialization.
65 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
67 2018-09-19 Marek Polacek <polacek@redhat.com>
69 Add -Wclass-conversion.
70 * decl.c (grok_op_properties): Change a warning from -Wconversion to
71 -Wclass-conversion. Make it print the types.
73 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
76 * parser.c (cp_parser_initializer_list): Assign error_mark_node
77 to the index upon error.
79 2018-09-19 Marek Polacek <polacek@redhat.com>
81 PR c++/87357 - missing -Wconversion warning
82 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
83 a conversion to a reference to void. Use
84 same_type_ignoring_top_level_qualifiers_p rather than comparing types
87 2018-09-18 Marek Polacek <polacek@redhat.com>
89 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
90 * call.c (build_over_call): No longer check if we're outside a template
92 * class.c (build_vtbl_initializer): Build vtable's constructor with
94 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
95 initializer. Handle OBJ_TYPE_REF.
96 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
97 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
98 (initialize_artificial_var): Mark the variable as constexpr.
99 (grokdeclarator): Change error to pedwarn. Only warn when
100 pedantic and not C++2a.
102 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
105 * cp-tree.h (NON_ERROR): New.
106 * pt.c (auto_hash::hash): Use it.
107 (do_auto_deduction): Likewise.
109 2018-09-18 Nathan Sidwell <nathan@acm.org>
112 * name-lookup.c (check_local_shadow): Ignore auto types.
114 2018-09-17 David Malcolm <dmalcolm@redhat.com>
116 * error.c (range_label_for_type_mismatch::get_text): Update for
119 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
121 * typeck2.c (digest_init_r): Fix overlength strings.
123 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
126 * method.c (constructible_expr): We're in an unevaluated context
127 in all cases, not just for class targets.
129 2018-09-12 David Malcolm <dmalcolm@redhat.com>
132 * call.c (struct conversion_info): Add "loc" field.
133 (arg_conversion_rejection): Add "loc" param, using it to
134 initialize the new field.
135 (bad_arg_conversion_rejection): Likewise.
136 (explicit_conversion_rejection): Initialize the new field to
138 (template_conversion_rejection): Likewise.
139 (add_function_candidate): Pass on the argument location to the new
140 param of arg_conversion_rejection.
141 (add_conv_candidate): Likewise.
142 (build_builtin_candidate): Likewise.
143 (build_user_type_conversion_1): Likewise.
144 (single_z_candidate): New function.
145 (maybe_get_bad_conversion_for_unmatched_call): New function.
146 (complain_about_bad_argument): New function, based on part of
147 convert_for_assignment.
148 (build_new_method_call_1): Split out handling of the "no viable
149 candidates" case into...
150 (complain_about_no_candidates_for_method_call): ...this new
151 function, and use the new functions above to special-case the
152 handling of a single non-viable candidate due to a bad argument.
153 * cp-tree.h (complain_about_bad_argument): New decl.
154 * typeck.c (convert_for_assignment): Split out one error-handling
155 case into complain_about_bad_argument.
157 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
158 Julian Brown <julian@codesourcery.com>
161 * semantics.c (finish_omp_clauses): Treat C++ references the same in
164 2018-08-28 Martin Liska <mliska@suse.cz>
166 * constexpr.c (cxx_eval_call_expression): Add quotes
167 to -fconstexpr-depth=.
169 2018-09-10 Marek Polacek <polacek@redhat.com>
171 * class.c (build_vtbl_ref): Remove.
172 (build_vtbl_ref_1): Rename to build_vtbl_ref.
173 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
175 2018-09-08 Marek Polacek <polacek@redhat.com>
177 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
178 * call.c (struct conversion): Update commentary.
179 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
182 2018-09-08 Jason Merrill <jason@redhat.com>
184 PR c++/86678 - constexpr function with non-constant after return.
185 * constexpr.c (potential_constant_expression_1): Add jump_target.
186 (breaks): Check for BREAK_STMT.
187 (continues): Check for CONTINUE_STMT.
189 2018-09-08 Marek Polacek <polacek@redhat.com>
191 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
192 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
194 2018-09-07 Marek Polacek <polacek@redhat.com>
196 PR c++/87152 - range-based for loops with initializer broken in templates.
197 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
198 Recur into RANGE_FOR_INIT_STMT.
199 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
200 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
201 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
203 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
205 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
206 Do put the init statement in RANGE_FOR_INIT_STMT.
207 (finish_range_for_decl): Pop it for templates.
209 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
211 * decl.c (check_initializer): Call cp_complete_array_type.
213 2018-09-05 Marek Polacek <polacek@redhat.com>
215 PR c++/87109, wrong overload with ref-qualifiers.
216 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
217 out if performing the maybe-rvalue overload resolution and a conversion
218 function is getting called.
220 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
221 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
222 to std::move or std::forward.
223 (is_std_forward_p): New function.
225 2018-09-05 Pádraig Brady <p@draigbrady.com>
228 * lambda.c (prune_lambda_captures): Protect against const_vars.get
231 2018-09-04 Marek Polacek <polacek@redhat.com>
233 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
234 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
235 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
237 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
238 (check_return_expr): Likewise.
240 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
243 * constraint.cc (finish_shorthand_constraint): Early return if the
244 constraint is erroneous.
246 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
248 * decl.c (eval_check_narrowing): Remove.
249 (check_initializer): Move call to braced_list_to_string from here ...
250 * typeck2.c (store_init_value): ... to here.
251 (digest_init_r): Remove handing of signed/unsigned char strings.
253 2018-08-31 Nathan Sidwell <nathan@acm.org>
257 * name-lookup.c (name_lookup::search_namespace): Don't look at
258 inlines when searching for NULL names.
260 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
261 of return types and parms.
262 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
263 '()' always means '(void)'.
265 2018-08-29 Jakub Jelinek <jakub@redhat.com>
268 * decl.c (begin_destructor_body): If current_class_type has
269 virtual bases and the primary base is nearly empty virtual base,
270 voidify clearing of vptr and make it conditional on in-charge
273 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
276 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
277 returns error_mark_node early exit the loop.
278 (cp_parser_template_introduction): Improve error-recovery, remove
279 error call about empty introduction-list.
281 2018-08-29 David Malcolm <dmalcolm@redhat.com>
284 * call.c (print_conversion_rejection): Add "fn" param and use it
285 for "no known conversion" messages to underline the pertinent
287 (print_z_candidate): Supply "fn" to the new param above.
289 2018-08-29 Jakub Jelinek <jakub@redhat.com>
292 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
293 processing_template_decl and decl is structured binding decl, call
296 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
299 * decl.c (finish_case_label): If the type is erroneous early
300 return error_mark_node.
302 2018-08-27 David Malcolm <dmalcolm@redhat.com>
305 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
308 2018-08-27 Jakub Jelinek <jakub@redhat.com>
311 * cp-tree.h (cxx_readonly_error): Add location_t argument.
312 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
313 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
314 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
315 pass LOC to it. Formatting fixes.
316 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
317 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
318 * semantics.c (finish_asm_stmt): Pass input_location to
321 2018-08-27 David Malcolm <dmalcolm@redhat.com>
324 * decl.c (grokdeclarator): Update for conversion of show_caret_p
326 * error.c (cp_printer): Likewise.
327 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
328 maybe_add_include_fixit to suggest overriding the location, as it
330 * parser.c (cp_parser_string_literal): Update for conversion of
331 show_caret_p to a tri-state.
332 (cp_parser_elaborated_type_specifier): Likewise.
333 (set_and_check_decl_spec_loc): Likewise.
334 * pt.c (listify): Update call to maybe_add_include_fixit to not
335 override the location, as it is for an error.
336 * rtti.c (typeid_ok_p): Likewise.
338 2018-08-27 Martin Liska <mliska@suse.cz>
340 * call.c (build_call_a): Use new function
341 fndecl_built_in_p and remove check for FUNCTION_DECL if
343 (build_cxx_call): Likewise.
344 * constexpr.c (constexpr_fn_retval): Likewise.
345 (cxx_eval_builtin_function_call): Likewise.
346 (cxx_eval_call_expression): Likewise.
347 (potential_constant_expression_1): Likewise.
348 * cp-gimplify.c (cp_gimplify_expr): Likewise.
350 * decl.c (decls_match): Likewise.
351 (validate_constexpr_redeclaration): Likewise.
352 (duplicate_decls): Likewise.
353 (make_rtl_for_nonlocal_decl): Likewise.
354 * name-lookup.c (consider_binding_level): Likewise.
355 (cp_emit_debug_info_for_using): Likewise.
356 * semantics.c (finish_call_expr): Likewise.
357 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
359 2018-08-26 Marek Polacek <polacek@redhat.com>
362 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
364 PR c++/87029, Implement -Wredundant-move.
365 * typeck.c (treat_lvalue_as_rvalue_p): New function.
366 (maybe_warn_pessimizing_move): Call convert_from_reference.
367 Warn about redundant moves.
369 2018-08-24 Marek Polacek <polacek@redhat.com>
373 * decl.c (grokdeclarator): Disallow functions with trailing return
374 type with decltype(auto) as its type. Also check the function if
375 it's inner declarator doesn't exist
377 2018-08-21 Marek Polacek <polacek@redhat.com>
380 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
381 lambda has a capture-default.
383 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
385 * decl.c (check_static_variable_definition): Change to return void.
387 2018-08-21 Marek Polacek <polacek@redhat.com>
389 PR c++/86981, Implement -Wpessimizing-move.
390 * typeck.c (decl_in_std_namespace_p): New.
391 (is_std_move_p): New.
392 (maybe_warn_pessimizing_move): New.
393 (can_do_nrvo_p): New, factored out of ...
394 (check_return_expr): ... here. Warn about potentially harmful
395 std::move in a return statement.
398 * call.c (standard_conversion): Set check_narrowing.
399 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
400 than comparing with INTEGER_TYPE.
402 * cp-tree.h: Fix typo.
404 2018-08-20 David Malcolm <dmalcolm@redhat.com>
407 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
409 (print_error_for_call_failure): Likewise.
410 (build_op_call_1): Likewise.
411 (build_conditional_expr_1): Likewise.
412 (build_new_op_1): Likewise.
413 (build_op_delete_call): Likewise.
414 (convert_like_real): Likewise.
415 (build_over_call): Likewise.
416 (build_new_method_call_1): Likewise.
418 * class.c (check_tag): Likewise.
419 (finish_struct_anon_r): Likewise.
420 (one_inherited_ctor): Likewise.
421 (finalize_literal_type_property): Likewise.
422 (explain_non_literal_class): Likewise.
423 (find_flexarrays): Likewise.
424 (resolve_address_of_overloaded_function): Likewise.
425 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
426 (is_valid_constexpr_fn): Likewise.
427 (cx_check_missing_mem_inits): Likewise.
428 * cp-gimplify.c (cp_genericize_r): Likewise.
429 * cvt.c (maybe_warn_nodiscard): Likewise.
430 * decl.c (warn_extern_redeclared_static): Likewise.
431 (check_redeclaration_exception_specification): Likewise.
432 (check_no_redeclaration_friend_default_args): Likewise.
433 (duplicate_decls): Likewise.
434 (redeclaration_error_message): Likewise.
435 (warn_misplaced_attr_for_class_type): Likewise.
436 * decl2.c (finish_static_data_member_decl): Likewise.
437 (no_linkage_error): Likewise.
438 (cp_warn_deprecated_use): Likewise.
439 * error.c (qualified_name_lookup_error): Likewise.
440 * friend.c (make_friend_class): Likewise.
441 (do_friend): Likewise.
442 * init.c (perform_member_init): Likewise.
443 (build_new_1): Likewise.
444 (build_vec_delete_1): Likewise.
445 (build_delete): Likewise.
446 * lex.c (unqualified_name_lookup_error): Likewise.
447 * name-lookup.c (check_extern_c_conflict): Likewise.
448 (inform_shadowed): New function.
449 (check_local_shadow): Add auto_diagnostic_group instances,
450 replacing goto "inform_shadowed" label with call to subroutine.
451 (set_local_extern_decl_linkage): Add auto_diagnostic_group
453 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
454 (cp_parser_namespace_name): Likewise.
455 * pt.c (check_specialization_namespace): Likewise.
456 (check_template_variable): Likewise.
457 (warn_spec_missing_attributes): Likewise.
458 (check_explicit_specialization): Likewise.
459 (process_partial_specialization): Likewise.
460 (lookup_template_class_1): Likewise.
461 (finish_template_variable): Likewise.
462 (do_auto_deduction): Likewise.
463 * search.c (check_final_overrider): Likewise.
464 (look_for_overrides_r): Likewise.
465 * tree.c (maybe_warn_parm_abi): Likewise.
466 * typeck.c (cxx_sizeof_expr): Likewise.
467 (cp_build_function_call_vec): Likewise.
468 (cp_build_binary_op): Likewise.
469 (convert_for_assignment): Likewise.
470 (maybe_warn_about_returning_address_of_local): Likewise.
471 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
472 (check_narrowing): Likewise.
474 2018-08-17 David Malcolm <dmalcolm@redhat.com>
476 * typeck.c (string_conv_p): Extract location from EXP and use it
477 in preference to input_location when issuing warnings.
479 2018-08-15 David Malcolm <dmalcolm@redhat.com>
481 * call.c: Include "gcc-rich-location.h".
482 (convert_like_real): Add range label for "invalid conversion"
484 (perform_implicit_conversion_flags): Add type label to the
485 "could not convert" error.
486 * error.c: Include "gcc-rich-location.h".
487 (range_label_for_type_mismatch::get_text): New function.
488 * typeck.c (convert_for_assignment): Add type label to
489 the "cannot convert" error if a location is available.
491 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
493 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
494 emit an error instead of a permerror.
496 2018-08-13 Marek Polacek <polacek@redhat.com>
499 * call.c (struct conversion): Add check_narrowing_const_only.
500 (build_converted_constant_expr): Set check_narrowing and
501 check_narrowing_const_only. Give error if expr is error node.
502 (convert_like_real): Pass it to check_narrowing.
503 * cp-tree.h (check_narrowing): Add a default parameter.
504 * decl.c (compute_array_index_type): Use input_location instead of
506 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
507 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
508 expressions. Call maybe_constant_value instead of
509 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
510 narrowing for constants if CONST_ONLY.
512 2018-08-13 Martin Sebor <msebor@redhat.com>
514 PR tree-optimization/71625
515 * decl.c (check_initializer): Call braced_list_to_string.
516 (eval_check_narrowing): New function.
517 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
518 as initilizers for all narrow character types.
520 2018-08-13 Marek Polacek <polacek@redhat.com>
522 P0806R2 - Deprecate implicit capture of this via [=]
523 * lambda.c (add_default_capture): Formatting fixes. Warn about
524 deprecated implicit capture of this via [=].
527 * decl.c (create_array_type_for_decl): Handle null name.
529 2018-08-10 Jason Merrill <jason@redhat.com>
531 PR c++/86728 - C variadic generic lambda.
532 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
533 a pack if it's followed by a declarator-id.
535 2018-08-08 Jakub Jelinek <jakub@redhat.com>
537 P0595R1 - is_constant_evaluated
538 * cp-tree.h (enum cp_built_in_function): New.
539 (maybe_constant_init): Add pretend_const_required argument.
540 * typeck2.c (store_init_value): Pass true as new argument to
542 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
543 for BUILT_IN_UNREACHABLE.
544 (struct constexpr_ctx): Add pretend_const_required field.
545 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
546 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
547 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
548 (cxx_eval_outermost_constant_expr): Add pretend_const_required
549 argument, initialize pretend_const_required field in ctx. If the
550 result is TREE_CONSTANT and non_constant_p, retry with
551 pretend_const_required false if it was true.
552 (is_sub_constant_expr): Initialize pretend_const_required_field in
554 (cxx_constant_value): Pass true as pretend_const_required to
555 cxx_eval_outermost_constant_expr.
556 (maybe_constant_value): Pass false as pretend_const_required to
557 cxx_eval_outermost_constant_expr.
558 (fold_non_dependent_expr): Likewise.
559 (maybe_constant_init_1): Add pretend_const_required argument, pass it
560 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
561 instead of false as strict to cxx_eval_outermost_constant_expr.
562 (maybe_constant_init): Add pretend_const_required argument, pass it
563 down to maybe_constant_init_1.
564 (cxx_constant_init): Pass true as pretend_const_required to
565 maybe_constant_init_1.
566 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
567 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
568 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
569 * decl.c: Include langhooks.h.
570 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
572 * tree.c (builtin_valid_in_constant_expr_p): Return true for
573 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
574 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
577 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
578 before tsubst_init, not after it.
581 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
582 NULL pointer set *non_constant_p to true.
583 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
584 set *non_constant_p to true and return t.
586 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
589 * decl.c (check_no_redeclaration_friend_default_args): New.
590 (duplicate_decls): Use the latter; also check that a friend
591 declaration specifying default arguments is a definition.
593 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
596 * name-lookup.c (check_local_shadow): Reject captures and parameters
599 2018-08-06 Marek Polacek <polacek@redhat.com>
602 * constexpr.c (cxx_eval_statement_list): Handle continue.
604 2018-08-03 David Malcolm <dmalcolm@redhat.com>
605 Jonathan Wakely <jwakely@redhat.com>
607 * decl.c: Include "gcc-rich-location.h".
608 (add_return_star_this_fixit): New function.
609 (finish_function): When warning about missing return statements in
610 functions returning non-void, add a "return *this;" fix-it hint for
611 assignment operators.
613 2018-08-03 Jason Merrill <jason@redhat.com>
616 * class.c (build_base_path): Use currently_open_class.
618 2018-08-02 David Malcolm <dmalcolm@redhat.com>
620 * error.c (cxx_print_error_function): Duplicate "file" before
621 passing it to pp_set_prefix.
622 (cp_print_error_function): Use pp_take_prefix when saving the
625 2018-08-02 Richard Biener <rguenther@suse.de>
628 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
629 to the CLASSTYPE_AS_BASE.
631 2018-08-01 Martin Sebor <msebor@redhat.com>
633 PR tree-optimization/86650
634 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
635 TREE_BLOCK (t) from within percent_K_format to this callsite.
637 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
640 * class.c (note_name_declared_in_class): Use location_of in permerror
641 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
643 2018-07-31 Tom de Vries <tdevries@suse.de>
646 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
648 2018-07-31 Jakub Jelinek <jakub@redhat.com>
650 P1008R1 - prohibit aggregates with user-declared constructors
651 * class.c (check_bases_and_members): For C++2a set
652 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
653 type_has_user_provided_or_explicit_constructor.
655 2018-07-31 Martin Liska <mliska@suse.cz>
658 * parser.c (cp_parser_condition): Initialize non_constant_p
661 2018-07-28 David Malcolm <dmalcolm@redhat.com>
663 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
664 into alphabetical order, and add missing "%G" and "%K". Within
665 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
666 cases are in alphabetical order.
668 2018-07-25 Jakub Jelinek <jakub@redhat.com>
670 * cp-tree.h (enum cp_tree_index): Add
671 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
672 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
673 (abi_tag_identifier, aligned_identifier, begin_identifier,
674 end_identifier, get__identifier, gnu_identifier,
675 tuple_element_identifier, tuple_size_identifier, type_identifier,
676 value_identifier, fun_identifier, closure_identifier): Define.
677 * decl.c (initialize_predefined_identifiers): Initialize the above
679 (get_tuple_size): Use tuple_size_identifier instead of
680 get_identifier ("tuple_size") and value_identifier instead of
681 get_identifier ("value").
682 (get_tuple_element_type): Use tuple_element_identifier instead of
683 get_identifier ("tuple_element") and type_identifier instead of
684 get_identifier ("type").
685 (get_tuple_decomp_init): Use get__identifier instead of
686 get_identifier ("get").
687 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
688 get_identifier ("_FUN").
689 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
690 instead of get_identifier ("__closure").
691 (cp_parser_std_attribute): Use gnu_identifier instead of
692 get_identifier ("gnu").
693 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
694 instead of get_identifier ("aligned").
695 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
696 abi_tag_identifier instead of get_identifier ("abi_tag").
699 * cp-tree.h (enum cp_tree_index): Add
700 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
701 (for_range__identifier, for_begin__identifier, for_end__identifier,
702 for_range_identifier, for_begin_identifier, for_end_identifier):
704 * decl.c (initialize_predefined_identifiers): Initialize
705 for_{range,begin,end}{,_}_identifier.
706 * parser.c (build_range_temp): Use for_range__identifier instead of
707 get_identifier ("__for_range").
708 (cp_convert_range_for): Use for_begin__identifier and
709 for_end__identifier instead of get_identifier ("__for_begin") and
710 get_identifier ("__for_end").
711 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
712 local symbols to "__for_{range,begin,end}".
714 2018-07-23 Jakub Jelinek <jakub@redhat.com>
717 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
718 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
719 or warn_nonnull_compare.
721 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
723 Revert fix for c++/59480 (and testsuite followup)
725 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
728 * decl.c (check_no_redeclaration_friend_default_args): New.
729 (duplicate_decls): Use the latter; also check that a friend
730 declaration specifying default arguments is a definition.
732 2018-07-18 Jakub Jelinek <jakub@redhat.com>
735 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
736 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
738 2018-07-18 Marek Polacek <polacek@redhat.com>
740 PR c++/86190 - bogus -Wsign-conversion warning
741 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
744 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
747 * decl.c (check_no_redeclaration_friend_default_args): New.
748 (duplicate_decls): Use the latter; also check that a friend
749 declaration specifying default arguments is a definition.
751 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
753 * class.c (note_name_declared_in_class): Prefer permerror + inform
754 to a pair of permerrors; use DECL_SOURCE_LOCATION.
756 2018-07-18 Richard Biener <rguenther@suse.de>
759 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
760 start_static_storage_duration_function sets current_function_decl.
762 2018-07-17 Jason Merrill <jason@redhat.com>
764 PR c++/86480 - nested variadic lambda and constexpr if.
765 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
767 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
768 cp_unevaluated_operand.
769 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
771 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
773 * class.c (resolve_address_of_overloaded_function): Don't emit an
774 inform if the matching permerror returns false.
775 * pt.c (check_specialization_namespace): Likewise.
777 2018-07-16 Jakub Jelinek <jakub@redhat.com>
781 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
782 in TREE_USED flag from stmt to h->to.
784 2018-07-13 Nathan Sidwell <nathan@acm.org>
787 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
788 contexts that are classes.
789 * parser.c (cp_parser_template_id): Combine entering_scope decl &
792 2018-07-12 Jakub Jelinek <jakub@redhat.com>
794 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
795 type here, instead add "omp declare target implicit" attribute. Add
796 that attribute instead of "omp declare target" also when
797 processing_template_decl.
798 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
799 and before calling cp_omp_mappable_type call complete_type.
801 2018-07-10 Jakub Jelinek <jakub@redhat.com>
804 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
808 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
809 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
810 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
811 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
812 TREE_LIST for both the original class iterator and the "last" helper
815 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
817 * decl.c (grokdeclarator): Use rich_location::add_range in three
818 more places; include gcc-rich-location.h.
820 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
822 * decl.c (build_enumerator): Change overflow type to overflow_type.
823 * init.c (build_new_1): Same.
825 2018-07-05 Nathan Sidwell <nathan@acm.org>
827 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
828 NO_IMPLICIT_EXTERN_C.
829 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
831 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
834 * method.c (is_trivially_xible): Return false
835 if is_xible_helper returns a NULL_TREE.
837 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
839 * decl.c (min_location): New.
840 (smallest_type_quals_location): Use the latter.
841 (check_concept_fn): Use DECL_SOURCE_LOCATION.
842 (grokdeclarator): Use accurate locations in a number of error
843 messages involving ds_thread, ds_storage_class, ds_virtual,
844 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
846 2018-07-03 Marek Polacek <polacek@redhat.com>
849 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
851 2018-07-03 Jason Merrill <jason@redhat.com>
853 PR c++/86378 - functional cast in noexcept-specifier.
854 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
856 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
858 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
859 in error message about __thread and thread_local at the same time.
861 2018-06-29 Marek Polacek <polacek@redhat.com>
864 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
866 2018-06-28 David Malcolm <dmalcolm@redhat.com>
868 * parser.c (cp_parser_error_1): After issuing a conflict marker
869 error, consume tokens until the end of the source line.
871 2018-06-28 Jason Merrill <jason@redhat.com>
873 PR c++/86342 - -Wdeprecated-copy and system headers.
874 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
877 2018-06-27 David Malcolm <dmalcolm@redhat.com>
880 * name-lookup.c (consider_binding_level): Filter out names that
881 match anon_aggrname_p.
883 2018-06-27 Jason Merrill <jason@redhat.com>
885 * name-lookup.c (do_pushtag): If we skip a class level, also skip
888 2018-06-26 Jason Merrill <jason@redhat.com>
890 PR c++/86320 - memory-hog with std::array of pair
891 * typeck2.c (process_init_constructor_array): Only compute a
892 constant initializer once.
894 PR c++/80290 - memory-hog with std::pair.
895 * pt.c (fn_type_unification): Add convs parameter.
896 (check_non_deducible_conversion): Remember conversion.
897 (check_non_deducible_conversions): New. Do checks here.
898 (type_unification_real): Not here. Remove flags parm.
899 * call.c (add_function_candidate): Make convs a parameter.
900 Don't recalculate the conversion if it's already set.
901 (add_template_candidate_real): Allocate convs here.
902 (good_conversion, conv_flags): New.
904 2018-06-26 Jakub Jelinek <jakub@redhat.com>
907 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
908 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
910 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
912 * decl.c (bad_specifiers): Add const location_t* parameter and
913 use locations in error messages about 'inline' and 'virtual'.
914 (mark_inline_variable): Add location_t parameter and use it in
915 error_at and pedwarn messages.
916 (grokdeclarator): Use declspecs->locations[ds_constexpr],
917 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
918 declspecs->locations[ds_inline] in many error messages; adjust
919 bad_specifiers and mark_inline_variable calls.
920 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
922 2018-06-22 Jason Merrill <jason@redhat.com>
924 PR c++/86219 - ICE with erroneous initializer in template.
925 * constexpr.c (fold_non_dependent_expr): Add complain parm.
926 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
928 * call.c (build_cxx_call): Don't mess with builtins in a template.
929 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
930 produce a constant value, go back to the uninstantiated form.
932 Avoid taking the address of something just because it's in parens.
933 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
934 (cxx_fold_indirect_ref): Use it.
935 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
936 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
937 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
938 static_cast to reference type.
939 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
941 2018-06-21 Jason Merrill <jason@redhat.com>
943 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
945 * name-lookup.c (do_push_to_top_level): Don't allocate
947 (do_pop_from_top_level): Release current_lang_base.
949 Let -fmem-report see callers of cxx_make_type.
950 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
951 (make_class_type): Likewise.
952 (cxx_make_type_hook): New.
953 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
955 2018-06-20 Nathan Sidwell <nathan@acm.org>
958 * friend.c (add_friend): Keep lookup sets of tempate sets.
960 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
962 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
963 tidy handling of a null location_t argument; use proper location
964 information in a few additional error messages.
965 (grokdeclarator): Update calls.
967 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
968 Thomas Schwinge <thomas@codesourcery.com>
969 Cesar Philippidis <cesar@codesourcery.com>
971 * parser.c (cp_parser_omp_clause_name): Add support for finalize
972 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
973 to their non-present_or_* counterparts. Make 'self' an alias to
974 PRAGMA_OACC_CLAUSE_HOST.
975 (cp_parser_oacc_data_clause): Update GOMP mappings for
976 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
977 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
978 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
979 Remove support for present_or_* clauses.
980 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
981 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
982 (OACC_DECLARE_CLAUSE_MASK): Likewise.
983 (OACC_DATA_CLAUSE_MASK): Likewise.
984 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
985 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
986 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
987 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
988 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
989 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
991 2018-06-20 Marek Polacek <polacek@redhat.com>
994 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
995 (fold_simple_1): Likewise.
996 * error.c (dump_expr): Likewise.
998 2018-06-20 Nathan Sidwell <nathan@acm.org>
1001 * cp-tree.h (lookup_keep): Drop KEEP parm.
1002 (lookup_list_keep): Delete.
1003 (maybe_get_fns): Declare.
1004 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
1005 (cp_parser_template_id): Not here ...
1006 * decl.c (cp_finish_decl): ... nor here ...
1007 * init.c (build_raw_new_expr): ... nor here ...
1008 * pt.c (process_template_parm): ... nor here ...
1009 * semantics.c (perform_koenig_lookup): Call lookup_keep.
1010 (finish_call_expr): Not here.
1011 * tree.c (ovl_cache): Delete.
1012 (ovl_make, ovl_copy): No cache.
1013 (lookup_keep): Always keep.
1014 (lookup_list_keep): Delete.
1015 (maybe_get_fns): New, broken out of ...
1016 (get_fns): ... here. Call it.
1017 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
1018 (build_min_nt_call_vec): Likewise.
1020 2018-06-19 Jason Merrill <jason@redhat.com>
1022 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
1023 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
1025 PR c++/86182 - ICE with anonymous union passed to template.
1026 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1027 used to declare a named variable.
1029 2018-06-18 Jason Merrill <jason@redhat.com>
1031 * tree.c (cp_expr_location): New.
1032 * cp-tree.h (cp_expr_loc_or_loc): New.
1033 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1034 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1035 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1037 * parser.c (cp_parser_lambda_expression): Use a range for
1038 LAMBDA_EXPR_LOCATION.
1040 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1041 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1044 PR c++/81060 - ICE with unexpanded parameter pack.
1045 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1046 * decl.c (grokdeclarator): Call it for qualifying_scope.
1048 PR c++/86171 - ICE with recursive alias instantiation.
1049 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1051 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1053 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1054 in errors about redefined default arguments; tidy.
1056 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1058 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1059 * cp-gimplify.c (cp_fold): Likewise.
1061 2018-06-15 Jason Merrill <jason@redhat.com>
1063 PR c++/86147 - wrong capture for template argument.
1064 * expr.c (mark_use): Look through NOP_EXPR.
1066 * name-lookup.c (do_pushtag): Don't look through complete types, but
1067 don't add to them either. Get context from current_binding_level.
1068 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1070 * decl.c (start_enum): Do compare dependent underlying type.
1072 PR c++/82882 - ICE with lambda in template default argument.
1073 * lambda.c (record_null_lambda_scope): New.
1074 * pt.c (tsubst_lambda_expr): Use it.
1075 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1076 function that isn't open.
1078 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1080 2018-06-14 Marek Polacek <polacek@redhat.com>
1083 * decl2.c (cp_check_const_attributes): Skip trees that are not
1086 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1088 P0624R2 - Default constructible and assignable stateless lambdas
1089 * method.c (synthesized_method_walk): For C++2a don't mark
1090 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1093 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1095 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1096 OPT_Wshadow warning_at.
1097 (grokfndecl): Consistently use the location_t argument in
1098 literal operator diagnostic messages.
1099 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1101 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1104 2018-06-13 Jason Merrill <jason@redhat.com>
1106 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1107 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1110 PR c++/86094 - wrong code with defaulted move ctor.
1111 * class.c (classtype_has_non_deleted_move_ctor): New.
1112 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1113 Handle v12 breakage.
1115 2018-06-12 Jason Merrill <jason@redhat.com>
1117 PR c++/86098 - ICE with template placeholder for TTP.
1118 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1119 CLASS_PLACEHOLDER_TEMPLATE.
1121 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1123 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1124 parameter and adjust error_at calls.
1125 * decl.c (grok_op_properties): Adjust calls.
1126 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1128 2018-06-12 Marek Polacek <polacek@redhat.com>
1130 Core issue 1331 - const mismatch with defaulted copy constructor
1131 * class.c (check_bases_and_members): When checking a defaulted
1132 function, mark it as deleted rather than giving an error.
1134 2018-06-11 Jason Merrill <jason@redhat.com>
1136 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1137 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1140 PR c++/85963 - -Wunused-but-set with ?: in template.
1141 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1143 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1145 * decl.c (grok_op_properties): Consistently use the location
1146 of the decl; remove special casing of POSTINCREMENT_EXPR and
1147 POSTDECREMENT_EXPR wrt default arguments.
1149 2018-06-05 Jason Merrill <jason@redhat.com>
1151 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1152 of pointers to members of the same union.
1154 2018-06-11 Jason Merrill <jason@redhat.com>
1156 PR c++/86094 - wrong code with defaulted move ctor.
1157 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1159 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1161 * decl.c (grokfndecl): Use the location_t argument in two more places.
1163 2018-06-06 Marek Polacek <polacek@redhat.com>
1166 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1167 deduction from the list elements.
1168 (type_unification_real): Check convertibility of list elements.
1170 2018-06-06 Jason Merrill <jason@redhat.com>
1172 PR c++/86060 - ICE on range for with -std=c++98.
1173 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1176 PR c++/85710 - ICE with -Wmemset-elt-size.
1177 * semantics.c (finish_call_expr): Call warn_for_memset here.
1178 * parser.c (cp_parser_postfix_expression): Not here.
1179 (literal_integer_zerop): No longer static.
1180 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1182 2018-06-05 Marek Polacek <polacek@redhat.com>
1185 * tree.c (cp_tree_equal): Handle USING_DECL.
1187 2018-06-05 Jason Merrill <jason@redhat.com>
1189 PR c++/85731 - wrong error with qualified-id in template.
1190 * semantics.c (finish_qualified_id_expr): build_qualified_name
1191 for unbound names in the current class.
1193 2018-06-04 Jason Merrill <jason@redhat.com>
1195 PR c++/61806 - missed SFINAE with partial specialization.
1196 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1197 parameter to constructor.
1198 * pt.c (instantiate_class_template_1): Enable access checking
1199 before call to most_specialized_partial_spec.
1201 PR c++/85765 - SFINAE and non-type default template arg.
1202 * pt.c (type_unification_real): Do full semantic processing if
1203 substituting a partial args list replaces all template parms.
1205 2018-06-03 Jason Merrill <jason@redhat.com>
1207 PR c++/85739 - ICE with pointer to member template parm.
1208 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1210 2018-06-02 Jason Merrill <jason@redhat.com>
1212 PR c++/85761 - ICE with ill-formed use of const outer variable.
1213 * expr.c (mark_use): Handle location wrappers.
1215 2018-06-01 Jason Merrill <jason@redhat.com>
1217 PR c++/85764 - bogus 'this' not captured error.
1218 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1219 (nonlambda_method_basetype): Handle NSDMI.
1221 CWG 1581: When are constexpr member functions defined?
1222 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1223 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1225 PR c++/58281 - explicit instantiation of constexpr
1226 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1228 * pt.c (instantiate_decl): Any defaulted function is defined.
1230 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1233 * call.c (resolve_args): Use location of expression, not current input
1236 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1238 Do not warn about zero-as-null when NULL is used.
1239 * call.c (conversion_null_warnings): Check for pointer
1240 types converted from zero constants.
1241 (convert_like_real): Add a warning sentinel at the end.
1242 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1245 2018-05-30 Jason Merrill <jason@redhat.com>
1247 PR c++/85807 - ICE with call in template NSDMI.
1248 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1249 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1251 PR c++/85873 - constant initializer_list array not in .rodata.
1252 * tree.c (build_target_expr): Set TREE_READONLY.
1253 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1255 * parser.c (cp_parser_check_condition_declarator): Handle
1256 cp_error_declarator.
1258 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1260 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1261 of using it in dead store.
1263 2018-05-29 Jason Merrill <jason@redhat.com>
1265 PR c++/67445 - returning temporary initializer_list.
1266 PR c++/67711 - assigning from temporary initializer_list.
1267 PR c++/48562 - new initializer_list.
1268 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1269 about returning local initializer_list.
1270 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1271 * call.c (build_over_call): Warn about assignment from temporary
1273 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1274 (find_list_begin, maybe_warn_list_ctor): New.
1275 (perform_member_init): Use maybe_warn_list_ctor.
1277 2018-05-29 Marek Polacek <polacek@redhat.com>
1280 * init.c (build_new): Handle deducing a class with new
1281 with more than one argument.
1283 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1286 * init.c (build_aggr_init): For structured binding initialized from
1287 array call mark_rvalue_use on the initializer.
1289 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1291 * decl2.c (start_static_storage_duration_function): Use
1292 splay_tree_delete_pointers.
1294 2018-05-25 Jason Merrill <jason@redhat.com>
1296 PR c++/85815 - reference to member of enclosing template.
1297 * search.c (lookup_base): Use currently_open_class.
1298 (lookup_member): Use it regardless of -fconcepts.
1299 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1301 CWG 616, 1213 - value category of subobject references.
1302 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1304 2018-05-24 Jason Merrill <jason@redhat.com>
1306 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1307 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1310 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1312 Pedwarn on a non-standard position of a C++ attribute.
1313 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1314 after the namespace name.
1316 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1318 * cp-tree.h (INDIRECT_TYPE_P): New.
1319 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1320 joust): Use it instead of POINTER_TYPE_P.
1321 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1322 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1323 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1324 * cxx_eval_increment_expression, potential_constant_expression_1):
1326 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1327 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1328 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1329 cp_ubsan_maybe_instrument_downcast): Likewise.
1330 * cvt.c (cp_convert_to_pointer, ocp_convert,
1331 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1332 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1333 pp_cxx_offsetof_expression_1): Likewise.
1334 * decl.c (grokparms, static_fn_type): Likewise.
1335 * decl2.c (grokbitfield): Likewise.
1336 * error.c (dump_expr): Likewise.
1337 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1338 * init.c (warn_placement_new_too_small): Likewise.
1339 * lambda.c (build_capture_proxy, add_capture): Likewise.
1340 * parser.c (cp_parser_omp_for_loop): Likewise.
1341 * pt.c (convert_nontype_argument, fn_type_unification,
1342 uses_deducible_template_parms, check_cv_quals_for_unify,
1343 dependent_type_p_r): Likewise.
1344 * search.c (check_final_overrider): Likewise.
1345 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1346 finish_omp_for): Likewise.
1347 * tree.c (cp_build_qualified_type_real): Likewise.
1348 * typeck.c (build_class_member_access_expr,
1349 finish_class_member_access_expr, build_x_indirect_ref,
1350 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1353 2018-05-24 Jason Merrill <jason@redhat.com>
1355 PR c++/85864 - literal template and default template arg.
1356 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1358 2018-05-24 Marek Polacek <polacek@redhat.com>
1361 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1362 variable for its result. Fix a condition.
1363 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1365 2018-05-23 Jason Merrill <jason@redhat.com>
1367 Fix cast to rvalue reference from prvalue.
1368 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1369 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1370 non-class type. Handle xvalue argument.
1371 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1373 * semantics.c (finish_compound_literal): Do direct-initialization,
1374 not cast, to initialize a reference.
1376 CWG 616, 1213 - value category of subobject references.
1377 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1379 * typeck2.c (build_m_component_ref): Likewise.
1380 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1381 distinction between temporary and xvalue.
1383 2018-05-23 Marek Polacek <polacek@redhat.com>
1385 Implement P0614R1, Range-based for statements with initializer.
1386 * parser.c (cp_parser_range_based_for_with_init_p): New.
1387 (cp_parser_init_statement): Use it. Parse the optional init-statement
1388 for a range-based for loop.
1389 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1391 2018-05-22 Jason Merrill <jason@redhat.com>
1393 PR c++/81420 - not extending temporary lifetime.
1394 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1395 * class.c (build_base_path): Avoid redundant move of an rvalue.
1397 PR c++/85866 - error with .* in default template arg.
1398 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1400 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1402 * parser.c (cp_parser_parameter_declaration_list): Remove
1404 (cp_parser_parameter_declaration_clause): Adjust.
1405 (cp_parser_cache_defarg): Likewise.
1407 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1410 * parser.c (cp_parser_maybe_commit_to_declaration,
1411 cp_parser_check_condition_declarator): New.
1412 (cp_parser_simple_declaration): Use the first above.
1413 (cp_parser_condition): Use both the above; enforce
1414 [stmt.stmt]/2 about the declarator not specifying
1415 a function or an array; improve error-recovery.
1417 2018-05-20 Jason Merrill <jason@redhat.com>
1419 PR libstdc++/85843 - warning in logic_error copy constructor.
1420 * class.c (type_has_user_nondefault_constructor): Check for a
1421 user-provided ctor, not user-declared.
1423 2018-05-19 Jason Merrill <jason@redhat.com>
1425 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1426 on __integer_pack as subexpression of pattern.
1428 2018-05-18 Jason Merrill <jason@redhat.com>
1430 PR c++/58407 - deprecated implicit copy ops.
1431 * call.c (build_over_call): Warn about deprecated trivial fns.
1432 * class.c (classtype_has_user_copy_or_dtor): New.
1433 (type_build_ctor_call): Check TREE_DEPRECATED.
1434 (type_build_dtor_call): Likewise.
1435 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1436 Add checks. Return bool. Handle -Wdeprecated-copy.
1437 (mark_used): Use it.
1438 * decl.c (grokdeclarator): Remove redundant checks.
1439 * typeck2.c (build_functional_cast): Likewise.
1440 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1441 * init.c (build_aggr_init): Only set TREE_USED if there are
1444 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1447 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1450 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1452 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1453 (potential_constant_expression_1): Likewise.
1455 2018-05-16 Marek Polacek <polacek@redhat.com>
1458 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1459 * tree.c (bot_manip): Call set_flags_from_callee for
1460 AGGR_INIT_EXPRs too.
1462 2018-05-15 Jason Merrill <jason@redhat.com>
1464 * cp-tree.h (cp_expr): Remove copy constructor.
1465 * mangle.c (struct releasing_vec): Declare copy constructor.
1467 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1469 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1470 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1471 is a throw-expression.
1473 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1475 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1476 (FOR_EACH_CLONE): Update.
1477 * decl.c (grokdeclarator): Use it.
1478 * decl2.c (vague_linkage_p): Likewise.
1479 * mangle.c (mangle_decl): Likewise.
1480 * method.c (lazily_declare_fn): Likewise.
1481 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1482 * repo.c (repo_emit_p): Likewise.
1483 * tree.c (decl_linkage): Likewise.
1485 2018-05-14 Jason Merrill <jason@redhat.com>
1487 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1488 * tree.c (build_cp_fntype_variant): New.
1489 (build_ref_qualified_type, build_exception_variant)
1490 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1491 (cxx_type_hash_eq, cp_check_qualified_type): Check
1492 TYPE_HAS_LATE_RETURN_TYPE.
1493 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1494 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1495 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1496 (adjust_clone_args): Likewise.
1497 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1498 build_cp_fntype_variant.
1499 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1500 (check_function_type): Use cxx_copy_lang_qualifiers.
1501 (static_fn_type): Use cxx_copy_lang_qualifiers.
1502 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1503 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1504 (change_return_type): Use cxx_copy_lang_qualifiers.
1505 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1506 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1507 return type on the declarator like a normal trailing return type.
1508 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1509 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1510 * typeck.c (merge_types): Use build_cp_fntype_variant.
1512 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1514 * cp-tree.h (TYPE_REF_P): New.
1515 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1516 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1517 direct_reference_binding, reference_binding, implicit_conversion,
1518 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1519 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1520 build_over_call, perform_implicit_conversion_flags,
1521 extend_ref_init_temps, type_has_extended_temps): Use it.
1522 * class.c (one_inheriting_sig, check_field_decls,
1523 check_bases_and_members, find_flexarrays, finish_struct,
1524 fixed_type_or_null): Likewise.
1525 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1526 non_const_var_error, cxx_eval_constant_expression,
1527 potential_constant_expression_1): Likewise.
1528 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1529 cp_genericize_r, cxx_omp_privatize_by_reference,
1530 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1531 cp_fold_maybe_rvalue): Likewise.
1532 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1533 * cvt.c (build_up_reference, convert_to_reference,
1534 convert_from_reference, convert_to_void, noexcept_conv_p,
1535 fnptr_conv_p): Likewise.
1536 * decl.c (poplevel, check_for_uninitialized_const_var,
1537 check_initializer, initialize_local_var, cp_finish_decl,
1538 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1539 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1540 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1541 decl_maybe_constant_var_p): Likewise.
1542 * error.c (dump_type_prefix, dump_expr): Likewise.
1543 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1544 is_admissible_throw_operand_or_catch_parameter): Likewise.
1545 * expr.c (mark_use): Likewise.
1546 * init.c (build_zero_init_1, build_value_init_noctor,
1547 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1548 build_new, build_delete): Likewise.
1549 * lambda.c (build_lambda_object): Likewise.
1550 * mangle.c (write_expression, write_template_arg): Likewise.
1551 * method.c (forward_parm, do_build_copy_constructor,
1552 do_build_copy_assign, build_stub_object, constructible_expr,
1553 walk_field_subobs): Likewise.
1554 * parser.c (cp_parser_omp_for_loop_init,
1555 cp_parser_omp_declare_reduction_exprs,
1556 cp_parser_omp_declare_reduction): Likewise.
1557 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1558 convert_template_argument, tsubst_pack_expansion,
1559 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1560 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1561 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1562 value_dependent_expression_p, build_deduction_guide): Likewise.
1563 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1564 finish_compound_literal, omp_privatize_field,
1565 handle_omp_array_sections_1, handle_omp_array_sections,
1566 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1567 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1568 finish_omp_clauses, finish_decltype_type, capture_decltype,
1569 finish_builtin_launder): Likewise.
1570 * tree.c (lvalue_kind, cp_build_reference_type, move,
1571 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1572 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1573 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1574 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1575 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1576 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1577 convert_for_initialization,
1578 maybe_warn_about_returning_address_of_local, check_return_expr,
1579 cp_type_quals, casts_away_constness, non_reference): Likewise.
1580 * typeck2.c (cxx_readonly_error, store_init_value,
1581 process_init_constructor_record, build_x_arrow, build_functional_cast,
1582 add_exception_specifier): Likewise.
1584 2018-05-14 Jason Merrill <jason@redhat.com>
1586 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1587 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1589 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1592 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1593 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1594 cxx_omp_predetermined_sharing_1. Rename old function to ...
1595 (cxx_omp_predetermined_sharing_1): ... this.
1596 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1597 instead of cxx_omp_predetermined_sharing.
1599 2018-05-10 Jason Merrill <jason@redhat.com>
1601 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1602 (check_static_variable_definition): Allow auto.
1603 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1605 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1606 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1608 Core issue 2310 - conversion to base of incomplete type.
1609 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1611 CWG 2267 - list-initialization of reference temporary
1612 * call.c (reference_binding): List-initializing a reference
1613 temporary is copy-list-initialization.
1615 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1617 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1618 instantiation in template context.
1620 * class.c (vbase_has_user_provided_move_assign): Use
1623 * lambda.c (lambda_expr_this_capture): Improve logic.
1625 * decl.c (make_typename_type): s/parameters/arguments/.
1626 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1627 * pt.c (make_pack_expansion): Correct error message.
1629 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1632 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1633 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1636 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1639 * decl2.c (adjust_var_decl_tls_model): New static function.
1640 (comdat_linkage): Call it on a variable.
1641 (maybe_make_one_only): Likewise.
1643 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1647 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1650 * parser.c (cp_parser_parameter_declaration_list): When the
1651 entire parameter-declaration-list is erroneous maybe call
1652 abort_fully_implicit_template.
1654 2018-05-08 Jason Merrill <jason@redhat.com>
1656 PR c++/85706 - class deduction under decltype
1657 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1658 *walk_subtrees whether or not we walked into the operand.
1659 (type_uses_auto): Only look at deduced contexts.
1661 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1664 * parser.c (cp_parser_parameter_declaration_list): When the
1665 entire parameter-declaration-list is erroneous maybe call
1666 abort_fully_implicit_template.
1668 2018-05-08 Marek Polacek <polacek@redhat.com>
1671 * semantics.c (finish_if_stmt_cond): See through typedefs.
1673 2018-05-07 Jason Merrill <jason@redhat.com>
1675 PR c++/85646 - lambda visibility.
1676 * decl2.c (determine_visibility): Don't mess with template arguments
1677 from the containing scope.
1678 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1681 2018-05-07 Nathan Sidwell <nathan@acm.org>
1683 Remove fno-for-scope
1684 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1685 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1686 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1687 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1688 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1690 * name-lookup.h (struct cp_binding_level): Remove
1691 dead_vars_from_for field.
1692 * cp-lang.c (cp_init_ts): Delete.
1693 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1694 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1695 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1696 (init_shadowed_var_for_decl): Delete.
1697 * decl.c (poplevel): Remove shadowed for var handling.
1698 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1699 * name-lookup.c (find_local_binding): Remove shadowed for var
1701 (check_local_shadow): Likewise.
1702 (check_for_out_of_scope_variable): Delete.
1703 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1705 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1706 * semantics.c (begin_for_scope): Always have a scope.
1707 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1708 (begin_range_for_stmt, finish_id_expression): Likewise.
1710 2018-05-07 Jason Merrill <jason@redhat.com>
1712 PR c++/85618 - ICE with initialized VLA.
1713 * tree.c (vla_type_p): New.
1714 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1715 rather than array_of_runtime_bound_p.
1717 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1719 * cvt.c (ocp_convert): Early handle the special case of a
1720 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1722 2018-05-03 Jason Merrill <jason@redhat.com>
1724 PR c++/85600 - virtual delete failure.
1725 * init.c (build_delete): Always save_expr when deleting.
1727 2018-05-03 Nathan Sidwell <nathan@acm.org>
1729 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1730 * name-lookup.c (do_pushdecl): Likewise.
1732 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1733 Jason Merrill <jason@redhat.com>
1736 * name-lookup.c (check_local_shadow): Don't handle static old
1737 declarations in the block handling locals shadowing locals.
1739 2018-05-01 Jason Merrill <jason@redhat.com>
1741 PR c++/85587 - error with scoped enum in template.
1742 * semantics.c (finish_qualified_id_expr): Don't return an
1743 unqualified IDENTIFIER_NODE.
1745 2018-04-30 Jason Merrill <jason@redhat.com>
1747 PR c++/85580 - extern "C" and local variables
1748 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1750 PR c++/84701 - unsigned typeof.
1751 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1752 of long/short/signed/unsigned.
1754 PR c++/85305 - pack in lambda init-capture.
1755 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1756 check_for_bare_parameter_packs in a subexpression.
1757 (cp_parser_lambda_introducer): Use it.
1759 PR c++/61982 - dead stores to destroyed objects.
1760 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1761 (build_over_call, build_special_member_call): Use it.
1762 * cp-tree.h: Declare it.
1763 * init.c (build_delete): Remove trivial path.
1765 * init.c (build_dtor_call): Use build_special_member_call.
1766 (build_delete): Remove redundant uses of save_addr.
1768 * decl.c (build_clobber_this): Use build_clobber.
1770 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1773 * init.c (build_zero_init_1): For zero initialization of
1774 NULLPTR_TYPE_P type use build_int_cst directly.
1776 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1779 * name-lookup.c (consider_binding_level): Skip compiler-generated
1781 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1782 nested if statements into a series of rejection tests. Reject
1783 lambda-ignored entities as suggestions.
1785 2018-04-27 Jason Merrill <jason@redhat.com>
1787 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1788 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1790 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1793 * decl.c (grokdeclarator): Clear friendp upon definition in local
1794 class definition error.
1796 2018-04-27 Jason Merrill <jason@redhat.com>
1798 PR c++/85545 - ICE with noexcept PMF conversion.
1799 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1801 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1803 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1805 2018-04-27 Nathan Sidwell <nathan@acm.org>
1807 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1809 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1810 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1811 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1812 (dump, print_other_binding_stacks): Remove declarations.
1813 * name-lookup.c (print_other_binding_stack): Make static.
1814 * pt.c (build_template_decl): Make static.
1816 2018-04-26 Jason Merrill <jason@redhat.com>
1818 PR c++/85545 - ICE with noexcept PMF conversion.
1819 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1821 2018-04-25 Nathan Sidwell <nathan@acm.org>
1825 * cp-tree.h (REINTERPRET_CAST_P): New.
1826 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1827 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1828 for non-trivial PTRMEM_CST cases.
1829 * typeck.c (build_nop_reinterpret): New.
1830 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1831 NOP_EXPRs returned by cp_convert.
1833 2018-04-23 Jason Merrill <jason@redhat.com>
1835 PR c++/69560 - wrong alignof(double) on x86.
1836 CWG 1879 - Inadequate definition of alignment requirement.
1837 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1838 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1839 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1840 (cxx_alignof_expr): Pass it.
1841 * parser.c (cp_parser_unary_expression): Pass it.
1842 * pt.c (tsubst_copy): Copy it.
1843 (tsubst_copy_and_build): Pass it.
1844 * decl.c (fold_sizeof_expr): Pass it.
1846 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1847 Jason Merrill <jason@redhat.com>
1849 PR c++/85470 - wrong error with static data member.
1850 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1851 * typeck2.c (store_init_value): Likewise.
1853 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1856 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1857 change refcount member from unsigned char to unsigned short,
1858 add refcount_infinity static data member, adjust comments.
1859 * pt.c (tinst_level::refcount_infinity): Define.
1860 (inc_refcount_use): Remove assert, don't increment if refcount
1861 is already refcount_infinity, adjust comment.
1862 (dec_refcount_use): Remove assert, don't decrement if refcount
1863 is refcount_infinity, adjust comment.
1864 (push_tinst_level_loc): Formatting fix.
1866 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1869 * pt.c (lookup_template_class_1): Check pushtag return value for
1872 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1875 * cp-tree.h (tinst_level::free): Fix whitespace.
1877 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1880 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1881 for error_mark_node.
1883 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1886 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1887 tricks from here to ...
1888 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1889 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1891 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1894 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1895 targs. Add private split_list_p, tree_list_p, and not_list_p
1896 inline const predicates; to_list private member function
1897 declaration; free public member function declaration; list_p,
1898 get_node and maybe_get_node accessors, and refcount data
1899 member. Narrow errors to unsigned short.
1900 * error.c (print_instantiation_full_context): Use new
1902 (print_instantiation_partial_context_line): Likewise. Drop
1903 const from tinst_level-typed parameter.
1904 * mangle.c (mangle_decl_string): Likewise.
1905 * pt.c (freelist): New template class.
1906 (tree_list_freelist_head): New var.
1907 (tree_list_freelist): New fn, along with specializations.
1908 (tinst_level_freelist_head): New var.
1909 (pending_template_freelist_head): Likewise.
1910 (tinst_level_freelist, pending_template_freelist): New fns.
1911 (tinst_level::to_list, tinst_level::free): Define.
1912 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1913 (set_refcount_ptr): New template fn.
1914 (add_pending_template): Adjust for refcounting, freelists and
1916 (neglectable_inst_p): Take a NULL d as a non-DECL.
1917 (limit_bad_template_recursion): Use new accessors.
1918 (push_tinst_level): New overload to create the list.
1919 (push_tinst_level_loc): Make it static, split decl into two
1920 args, adjust tests and initialization to cope with split
1921 lists, use freelist, adjust for refcounting.
1922 (push_tinst_level_loc): New wrapper with the old interface.
1923 (pop_tinst_level): Adjust for refcounting.
1924 (record_last_problematic_instantiation): Likewise.
1925 (reopen_tinst_level): Likewise. Use new accessors.
1926 (instantiate_alias_template): Adjust for split list.
1927 (fn_type_unification): Likewise.
1928 (get_partial_spec_bindings): Likewise.
1929 (instantiate_pending_templates): Use new accessors. Adjust
1930 for refcount. Release pending_template to freelist.
1931 (instantiating_current_function_p): Use new accessors.
1933 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1936 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1937 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1938 if we've seen errors.
1940 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1943 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1944 checking that the use is indeed before the definition.
1945 (macro_use_before_def::macro_use_before_def): Make private.
1946 (macro_use_before_def::~macro_use_before_def): Make private. Move
1947 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1948 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1949 than using new directly.
1951 2018-04-12 Jason Merrill <jason@redhat.com>
1953 PR c++/85356 - ICE with pointer to member function.
1954 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1955 flag_noexcept_type. Build the new spec within the function context.
1956 * except.c (build_noexcept_spec): Do get constant value in templates
1957 if flag_noexcept_type.
1958 * decl.c (check_redeclaration_exception_specification): Don't
1959 instantiate noexcept on a dependent declaration.
1961 2018-04-12 Marek Polacek <polacek@redhat.com>
1964 * constexpr.c (reduced_constant_expression_p): Return false for null
1967 2018-04-11 Marek Polacek <polacek@redhat.com>
1970 * constexpr.c (potential_constant_expression_1): Consider conversions
1971 from classes to literal types potentially constant.
1973 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1976 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1977 the type like TYPE_PTR_OR_PTRMEM_P.
1979 2018-04-10 Jason Merrill <jason@redhat.com>
1981 PR debug/65821 - wrong location for main().
1982 * call.c (clear_location_r, convert_default_arg): Revert.
1983 * tree.c (break_out_target_exprs): Add clear_location parm.
1984 (struct bot_data): New.
1985 (bot_manip): Clear location if requested.
1986 * init.c (get_nsdmi): Pass clear_location.
1988 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1991 * call.c (get_fndecl_argument_location): Make non-static.
1992 * cp-tree.h (get_fndecl_argument_location): New decl.
1993 * typeck.c (convert_for_assignment): When complaining due to
1994 conversions for an argument, show the location of the parameter
1997 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1999 PR c++/85312 - P0962 cleanup
2000 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
2003 2018-04-10 Jason Merrill <jason@redhat.com>
2005 PR debug/65821 - wrong location for main().
2006 * call.c (clear_location_r): New.
2007 (convert_default_arg): Use it.
2008 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
2010 PR c++/85285 - ICE with flexible array after substitution.
2011 * pt.c (instantiate_class_template_1): Check for flexible array in
2014 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
2017 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
2018 issue a pedwarn and defer trying to do bindings.
2020 2018-04-09 Jason Merrill <jason@redhat.com>
2022 PR c++/85279 - dump_expr doesn't understand decltype.
2023 * error.c (dump_expr): Handle DECLTYPE_TYPE.
2025 PR c++/85262 - ICE with redundant qualification on constructor.
2026 * call.c (build_new_method_call_1): Move make_args_non_dependent
2027 after A::A() handling.
2029 PR c++/85277 - ICE with invalid offsetof.
2030 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2031 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2033 PR c++/85264 - ICE with excess template-parameter-list.
2034 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2035 parameter. Don't allow an extra template header if true.
2036 (cp_parser_class_head): Pass template_id_p.
2037 (cp_parser_elaborated_type_specifier): Likewise.
2038 (cp_parser_alias_declaration): Likewise.
2039 (cp_parser_check_declarator_template_parameters): Likewise.
2041 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2044 * parser.c (cp_parser_simple_declaration): For structured bindings,
2045 if *maybe_range_for_decl is NULL after parsing it, set it to
2048 2018-04-09 Jason Merrill <jason@redhat.com>
2050 PR c++/85256 - ICE capturing pointer to VLA.
2051 * lambda.c (add_capture): Distinguish between variable-size and
2052 variably-modified types.
2054 2018-04-06 Jason Merrill <jason@redhat.com>
2056 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2057 * pt.c (extract_locals_r): Remember local typedefs.
2059 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2062 * name-lookup.c (struct std_name_hint): Move out of
2063 get_std_name_hint; add field "min_dialect".
2064 (get_std_name_hint): Add min_dialect values to all initializers.
2065 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2066 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2067 <shared_mutex>, <string_view>, <thread>, and <variant>.
2068 Add fstream, ifstream, and ofstream to <fstream>.
2069 Add istringstream, ostringstream, and stringstream to <sstream>.
2070 Add basic_string to <string>.
2071 Add tuple_element and tuple_size to <tuple>.
2072 Add declval to <utility>.
2073 Fix ordering of <queue> and <tuple>.
2074 Return a std_name_hint, rather than a const char *.
2075 (get_cxx_dialect_name): New function.
2076 (maybe_suggest_missing_std_header): Detect names that aren't yet
2077 available in the current dialect, and instead of suggesting a
2078 missing #include, warn about the dialect.
2080 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2083 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2084 errorcount is set if tsubst doesn't return a VAR_DECL.
2086 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2089 * name-lookup.c (using_directives_contain_std_p): New function.
2090 (has_using_namespace_std_directive_p): New function.
2091 (suggest_alternatives_for): Simplify if/else logic using early
2092 returns. If no candidates were found, and there's a
2093 "using namespace std;" directive, call
2094 maybe_suggest_missing_std_header.
2095 (maybe_suggest_missing_header): Split later part of the function
2097 (maybe_suggest_missing_std_header): New.
2099 2018-04-06 Jason Merrill <jason@redhat.com>
2101 PR c++/85242 - ICE with class definition in template parm.
2102 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2103 processing_template_parmlist.
2105 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2106 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2108 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2111 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2112 is not prev, if prev == decl.
2115 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2116 maybe_apply_pragma_weak here...
2117 (cp_maybe_mangle_decomp): ... but call it here instead.
2119 2018-04-05 Jason Merrill <jason@redhat.com>
2121 PR c++/85136 - ICE with designated init in template.
2122 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2123 designated initializer.
2124 (check_array_designated_initializer): Update ce->index with the
2127 PR c++/83808 - ICE with VLA initialization.
2128 * typeck2.c (process_init_constructor_array): Don't require a VLA
2129 initializer to have VLA type.
2131 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2134 * call.c (convert_like_real): Fail gracefully for a broken
2135 std::initializer_list, missing a definition.
2137 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2139 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2142 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2143 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2145 2018-04-05 Jason Merrill <jason@redhat.com>
2147 PR c++/82152 - ICE with class deduction and inherited ctor.
2148 * pt.c (do_class_deduction): Ignore inherited ctors.
2150 PR c++/84665 - ICE with array of empty class.
2151 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2153 PR c++/85228 - ICE with lambda in enumerator in template.
2154 * pt.c (bt_instantiate_type_proc): Don't assume
2155 CLASSTYPE_TEMPLATE_INFO is non-null.
2157 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2160 * decl.c (find_decomp_class_base): Check accessibility instead
2161 of declared access, adjust diagnostic.
2163 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2166 * decl.c (get_tuple_decomp_init): Check the templatedness
2169 2018-04-05 Jason Merrill <jason@redhat.com>
2171 PR c++/85200 - ICE with constexpr if in generic lambda.
2172 * pt.c (extract_locals_r): Don't record the local specs of variables
2173 declared within the pattern.
2175 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2178 * pt.c (check_auto_in_tmpl_args): New.
2179 (tsubst_qualified_id): Use it to reject template args
2180 referencing auto for non-type templates.
2181 * parser.c (cp_parser_template_id): Likewise.
2182 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2183 * typeck2.c (build_functional_cast): Report correct location
2184 for invalid use of auto.
2186 2018-04-04 Jason Merrill <jason@redhat.com>
2188 PR c++/85215 - ICE with copy-init from conversion.
2189 * call.c (merge_conversion_sequences): Fix type of direct binding
2192 PR c++/84938 - ICE with division by ~-1.
2193 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2195 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2196 * parser.c (cp_parser_mem_initializer_list): Call
2197 check_for_bare_parameter_packs.
2199 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2202 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2203 builtin_valid_in_constant_expr_p functions, don't call
2204 cxx_eval_constant_expression if argument is not
2205 potential_constant_expression.
2208 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2210 * semantics.c (calculate_bases): Add complain argument. Use
2211 complete_type_or_maybe_complain instead of just complete_type and
2212 return an empty vector if it fails. Move make_tree_vector () call
2213 after early return. Formatting fixes.
2214 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2216 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2217 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2218 calculate_direct_bases callers, formatting fixes.
2220 2018-04-04 Jason Merrill <jason@redhat.com>
2222 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2223 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2225 PR c++/85200 - ICE with constexpr if in generic lambda.
2226 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2228 PR c++/84221 - bogus -Wunused with attribute and template.
2229 * decl2.c (is_late_template_attribute): Handle unused and used
2230 normally on non-TYPE_DECL.
2232 PR c++/85135 - ICE with omitted template arguments.
2233 * decl.c (grokdeclarator): Catch deduced class type in trailing
2236 PR c++/85133 - ICE with missing concept initializer.
2237 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2240 PR c++/85118 - wrong error with generic lambda and std::bind.
2241 * call.c (add_template_conv_candidate): Disable if there are any
2244 PR c++/85141 - ICE with compound assignment and static member fn.
2245 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2246 compound assignment.
2248 PR c++/85148 - ICE with 'this' in array NSDMI.
2249 * tree.c (replace_placeholders_r): Use handled_component_p.
2251 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2254 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2255 * parser.c (cp_parser_unqualified_id): ..not here.
2257 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2260 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2262 * decl2.c (mark_used): Return without effects if tf_conv.
2264 2018-04-03 Jason Merrill <jason@redhat.com>
2266 PR c++/85092 - C++17 ICE with unused list constructor.
2267 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2270 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2271 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2272 __builtin_constant_p if ctx->quiet.
2274 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2277 * pt.c (rewrite_template_parm): If the first argument is
2278 error_mark_node return it immediately.
2279 (build_deduction_guide): Check the return value of the
2280 latter for error_mark_node.
2281 (do_class_deduction): Check the return value of the latter.
2283 2018-04-03 Jason Merrill <jason@redhat.com>
2285 * semantics.c (finish_if_stmt_cond): Use
2286 instantiation_dependent_expression_p.
2288 PR c++/85149 - generic lambda and constexpr if.
2289 * pt.c (build_extra_args, add_extra_args): Split from
2290 tsubst_pack_expansion.
2291 (tsubst_expr) [IF_STMT]: Use them.
2292 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2294 * typeck.c (merge_types): Limit matching attribute shortcut to
2297 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2300 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2303 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2307 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2308 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2309 instead for static data members clear init and set DECL_EXTERNAL.
2311 2018-04-02 Jason Merrill <jason@redhat.com>
2313 PR c++/64095 - auto... parameter pack.
2314 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2316 (cp_parser_parameter_declaration_list): Not here.
2318 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2321 * class.c (instantiate_type): Peel off SAVE_EXPR before
2324 2018-03-30 Jason Merrill <jason@redhat.com>
2326 * typeck2.c (process_init_constructor_record): Use
2327 init_list_type_node for the CONSTRUCTOR around an anonymous union
2328 designated initializer.
2330 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2333 * semantics.c (finish_omp_reduction_clause): If
2334 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2335 even if processing_template_decl.
2337 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2340 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2341 <tuple>, and <utility>.
2343 2018-03-29 Jason Merrill <jason@redhat.com>
2345 PR c++/85093 - too many template args with pack expansion.
2346 * pt.c (coerce_template_parms): Keep pack expansion args that will
2349 2018-03-29 Jason Merrill <jason@redhat.com>
2351 * pt.c (build_non_dependent_expr): Propagate expr location.
2353 2018-03-27 Jason Merrill <jason@redhat.com>
2355 PR c++/85060 - wrong-code with call to base member in template.
2356 * search.c (any_dependent_bases_p): Check uses_template_parms
2357 rather than processing_template_decl.
2359 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2362 * typeck.c (convert_for_assignment): When complaining due to
2363 conversions for an argument, attempt to use the location of the
2366 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2369 * pt.c (tsubst_default_argument): Early return if the type of the
2370 parameter is erroneous.
2372 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2375 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2379 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2381 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2384 * method.c (defaulted_late_check): Partially revert r253321 changes,
2385 do not early return upon error.
2387 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2390 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2391 type call fold to generate VECTOR_CSTs when possible.
2394 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2395 return it right away.
2397 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2399 * search.c (check_final_overrider): Use inform instead of error
2400 for the diagnostics of the overridden functions. Tweak wording.
2402 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2405 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2406 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2408 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2409 Jason Merrill <jason@redhat.com>
2412 * init.c (build_aggr_init): When initializing from array,
2413 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2414 (build_vec_init): Handle separately ARRAY_TYPEs.
2416 2018-03-26 Jason Merrill <jason@redhat.com>
2418 PR c++/85062 - ICE with alignas in wrong place.
2419 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2422 PR c++/85049 - ICE with __integer_pack.
2423 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2424 * cp-tree.h (TEMPLATE_PARM_P): New.
2426 2018-03-23 Jason Merrill <jason@redhat.com>
2428 PR c++/78489 - wrong SFINAE behavior.
2431 * pt.c (type_unification_real): Don't defer substitution failure.
2433 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2436 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2440 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2441 cp_build_unary_op call with gcc_unreachable ().
2443 2018-03-23 Marek Polacek <polacek@redhat.com>
2446 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2447 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2448 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2450 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2453 * parser.c (cp_parser_perform_range_for_lookup): Change
2454 the condition for deciding whether to use members.
2456 2018-03-23 Marek Polacek <polacek@redhat.com>
2459 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2461 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2464 * parser.c (cp_parser_alias_declaration): Call
2465 parser_check_template_parameters.
2468 * pt.c (resolve_typename_type): Drop assert that stopped
2469 simplification to template-independent types. Add assert to
2470 verify the initial scope is template dependent.
2471 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2472 Reparse the id expression as a type-name, not a declarator.
2475 * init.c (build_vec_init): Error at parenthesized array init.
2480 * cp-tree.h (temp_override): New template class, generalizing
2481 a cleanup that was only used...
2482 * parser.c (cp_parser_parameter_declaration_clause):
2483 ... here for auto_is_implicit_function_template_parm_p.
2484 (cp_parser_gnu_attributes_opt): Use it here as well.
2485 (cp_parser_std_attribute): Likewise.
2487 2018-03-22 Marek Polacek <polacek@redhat.com>
2490 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2493 2018-03-21 Jason Merrill <jason@redhat.com>
2495 PR c++/81311 - wrong C++17 overload resolution.
2496 * call.c (build_user_type_conversion_1): Remove C++17 code.
2497 (conv_binds_ref_to_prvalue): New.
2498 (build_over_call): Handle C++17 copy elision.
2499 (build_special_member_call): Only do C++17 copy elision here if the
2500 argument is already the right type.
2502 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2505 * init.c (build_vec_init): Silence error, former sorry,
2510 * parser.c (abort_fully_implicit_template_p): New.
2511 (cp_parser_skip_to_end_of_statement): Use it.
2512 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2513 (finish_fully_implicit_template_p): Clear
2514 implicit_template_parms and implicit_template_scope.
2516 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2519 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2520 error_mark_node when check_array_designated_initializer fails.
2522 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2525 * cp-tree.h (genericize_compound_lvalue): Declare.
2526 * typeck.c (genericize_compound_lvalue): New function.
2527 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2528 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2529 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2530 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2531 COMPOUND_EXPR operand.
2533 2018-03-21 Nathan Sidwell <nathan@acm.org>
2536 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2537 * decl2.c (vague_linkage_p): Likewise.
2539 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2542 * constexpr.c (constexpr_fn_retval): Make non-"static".
2543 * cp-tree.h (constexpr_fn_retval): New decl.
2544 * search.c (direct_accessor_p): Update leading comment.
2545 (reference_accessor_p): Likewise.
2546 (field_accessor_p): Replace check that function body is a
2547 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2548 indentation of "field_type" decl.
2550 2018-03-21 Nathan Sidwell <nathan@acm.org>
2553 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2556 2018-03-21 Martin Sebor <msebor@redhat.com>
2559 * call.c (first_non_public_field): New template and function.
2560 (first_non_trivial_field): New function.
2561 (maybe_warn_class_memaccess): Call them.
2563 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2566 * search.c (field_accessor_p): Use class_of_this_parm rather than
2567 type_of_this_parm, to check that "this" is a "const T *", rather
2570 2018-03-21 Nathan Sidwell <nathan@acm.org>
2572 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2573 other than public non-static data members.
2574 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2575 parenthesized initializer.
2578 * name-lookup.c (update_binding): Correct logic for local binding
2581 2018-03-21 Marek Polacek <polacek@redhat.com>
2583 PR c++/71638, ICE with NSDMI and reference.
2584 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2585 even when we replace an element.
2587 2018-03-20 Marek Polacek <polacek@redhat.com>
2589 PR c++/84978, ICE with NRVO.
2590 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2591 a RESULT_DECL isn't in the hash map.
2593 2018-03-20 Jason Merrill <jason@redhat.com>
2595 PR c++/84978, ICE with NRVO.
2596 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2597 (cp_get_callee_fndecl_nofold): New.
2598 * cp-gimplify.c (cp_genericize_r): Use it instead.
2599 * call.c (check_self_delegation): Likewise.
2601 2018-03-20 Nathan Sidwell <nathan@acm.org>
2604 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2605 member_vec, if there is one.
2608 * cp-tree.h (lookup_list_keep): Declare.
2609 * tree.c (lookup_list_keep): New, broken out of ...
2610 (build_min): ... here. Call it.
2611 * decl.c (cp_finish_decl): Call lookup_list_keep.
2613 2018-03-19 Jason Merrill <jason@redhat.com>
2615 PR c++/84937 - ICE with class deduction and auto.
2616 * pt.c (rewrite_template_parm): Fix auto handling.
2618 2018-03-19 Marek Polacek <polacek@redhat.com>
2621 * pt.c (enclosing_instantiation_of): Check if fn is null.
2624 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2625 as we evaluate the elements.
2626 (cxx_eval_constant_expression): Verify constructor's flags
2629 2018-03-19 Jason Merrill <jason@redhat.com>
2631 PR c++/71834 - template-id with too few arguments.
2632 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2634 2018-03-19 Nathan Sidwell <nathan@acm.org>
2637 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2638 * pt.c (build_template_decl): Propagate language linkage.
2641 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2644 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2647 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2649 * method.c (synthesize_method): Likewise.
2650 * pt.c (convert_nontype_argument): Likewise.
2652 2018-03-16 Jason Merrill <jason@redhat.com>
2654 PR c++/84720 - ICE with rvalue ref non-type argument.
2655 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2656 (convert_nontype_argument): Revert earlier change.
2658 PR c++/80227 - SFINAE and negative array size.
2659 * decl.c (compute_array_index_type): Use
2660 build_converted_constant_expr and valid_constant_size_p.
2662 PR c++/84906 - silent wrong code with ambiguous conversion.
2663 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2664 ambiguous conversion.
2665 (convert_like_real): Check it.
2667 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2668 * call.c (build_special_member_call): Don't convert an init-list
2669 argument directly to the class type.
2671 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2675 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2676 (find_placeholder): Declare.
2677 * tree.c (struct replace_placeholders_t): Add exp member.
2678 (replace_placeholders_r): Don't walk into ctors with
2679 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2680 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2681 (replace_placeholders): Initialize data.exp.
2682 (find_placeholders_r, find_placeholders): New functions.
2683 * typeck2.c (process_init_constructor_record,
2684 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2685 if adding NSDMI on which find_placeholder returns true.
2686 * call.c (build_over_call): Don't call replace_placeholders here.
2687 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2688 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2689 TARGET_EXPR_INITIAL.
2690 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2693 2018-03-16 Jason Merrill <jason@redhat.com>
2695 PR c++/83911 - ICE with multiversioned constructor.
2696 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2698 * call.c (build_over_call): Not here.
2700 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2703 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2704 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2706 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2709 * cp-tree.h (cp_warn_deprecated_use): Declare.
2710 * tree.c (cp_warn_deprecated_use): New function.
2711 * typeck2.c (build_functional_cast): Use it.
2712 * decl.c (grokparms): Likewise.
2713 (grokdeclarator): Likewise. Temporarily push nested class scope
2714 around grokparms call for out of class member definitions.
2716 2018-03-14 Jason Merrill <jason@redhat.com>
2718 PR c++/84820 - no error for invalid qualified-id.
2719 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2720 cp_error_declarator.
2722 PR c++/84801 - ICE with unexpanded pack in lambda.
2723 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2724 lambda in non-template context.
2726 PR c++/81236 - auto variable and auto function
2727 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2730 2018-03-14 Jason Merrill <jason@redhat.com>
2732 PR c++/83916 - ICE with template template parameters.
2733 * pt.c (convert_template_argument): Don't substitute into type of
2734 non-type parameter if we don't have enough arg levels.
2737 2018-03-14 Marek Polacek <polacek@redhat.com>
2740 * semantics.c (finish_static_assert): Check
2741 instantiation_dependent_expression_p instead of
2742 {type,value}_dependent_expression_p.
2744 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2745 Jason Merrill <jason@redhat.com>
2747 PR c++/82336 - link error with list-init default argument.
2748 * decl.c (check_default_argument): Unshare an initializer list.
2750 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2753 * decl.c (duplicate_decls): For redefinition of built-in, use error
2754 and return error_mark_node. For redeclaration, return error_mark_node
2755 rather than olddecl if !flag_permissive.
2757 2018-03-13 Jason Merrill <jason@redhat.com>
2759 PR c++/82565 - ICE with concepts and generic lambda.
2760 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2762 2018-03-13 Jason Merrill <jason@redhat.com>
2764 PR c++/84720 - ICE with rvalue ref non-type argument.
2765 * pt.c (convert_nontype_argument): Handle rvalue references.
2767 PR c++/84839 - ICE with decltype of parameter pack.
2768 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2769 instantiating dummy parms.
2771 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2772 parameter even without -Wpedantic.
2774 PR c++/84798 - ICE with auto in abstract function declarator.
2775 * parser.c (cp_parser_parameter_declaration_clause): Check
2776 parser->default_arg_ok_p.
2778 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2781 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2782 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2783 sizetype. Formatting fixes.
2785 2018-03-12 Jason Merrill <jason@redhat.com>
2787 PR c++/84355 - ICE with deduction for member class template.
2788 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2789 CLASS_PLACEHOLDER_TEMPLATE.
2791 PR c++/84802 - ICE capturing uninstantiated class.
2792 * lambda.c (build_capture_proxy): Call complete_type.
2794 2018-03-09 Jason Merrill <jason@redhat.com>
2796 PR c++/84770 - ICE with typedef and parameter pack.
2797 * pt.c (verify_unstripped_args_1): Split out from
2798 verify_unstripped_args.
2800 PR c++/84785 - ICE with alias template and default targs.
2801 * pt.c (type_unification_real): Set processing_template_decl if
2804 PR c++/84752 - ICE with capture of constexpr array.
2805 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2806 identity conversion under ck_lvalue.
2808 2018-03-09 Jason Merrill <jason@redhat.com>
2809 Paolo Carlini <paolo.carlini@oracle.com>
2813 * pt.c (any_erroneous_template_args_p): New.
2814 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2815 * parser.c (cp_parser_class_specifier_1): Use it.
2817 2018-03-09 Jason Merrill <jason@redhat.com>
2819 PR c++/84726 - unnecessary capture of constant vars.
2820 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2821 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2822 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2823 * lambda.c (is_constant_capture_proxy)
2824 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2825 (prune_lambda_captures): New.
2826 (finish_lambda_function): Call prune_lambda_captures.
2828 2018-03-09 Jason Merrill <jason@redhat.com>
2829 Jakub Jelinek <jakub@redhat.com>
2832 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2833 build ADDR_EXPR with REFERENCE_TYPE.
2834 (build_over_call): For purposes of check_function_arguments, if
2835 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2836 its operand rather than the argument itself.
2838 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2841 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2842 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2843 also a note and return olddecl.
2845 2018-03-09 Nathan Sidwell <nathan@acm.org>
2848 * name-lookup.c (do_pushdecl_with_scope): Only clear
2849 current_function_decl when pushing a non-class (i.e. namespace)
2852 2018-03-08 Jason Merrill <jason@redhat.com>
2853 Jakub Jelinek <jakub@redhat.com>
2856 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2857 not calling mark_used for the benefit of -Wunused-function warning.
2859 2018-03-06 Jason Merrill <jason@redhat.com>
2861 * lambda.c (is_capture_proxy_with_ref): Remove.
2862 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2864 2018-03-06 Marek Polacek <polacek@redhat.com>
2867 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2870 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2873 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2874 only while processing template decls.
2875 * typeck.c (build_x_conditional_expr): Move wrapping of
2876 reference type around type...
2877 * call.c (build_conditional_expr_1): ... here. Rename
2878 is_lvalue to is_glvalue.
2879 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2880 INDIRECT_REF of COND_EXPR too.
2883 * init.c (build_zero_init_1): Zero-initialize references.
2886 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2887 overloads used as stmt expr values.
2889 2018-03-05 Jason Merrill <jason@redhat.com>
2891 PR c++/84708 - ICE with lambda in local class NSDMI.
2892 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2895 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2898 * constexpr.c (constexpr_call_hasher::equal): Return false if
2899 lhs->hash != rhs->hash. Change return 1 to return true and
2900 return 0 to return false.
2902 2018-03-05 Nathan Sidwell <nathan@acm.org>
2905 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2907 2018-03-05 Marek Polacek <polacek@redhat.com>
2910 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2913 2018-03-05 Nathan Sidwell <nathan@acm.org>
2916 * friend.c (do_friend): Restore check for identifier_p inside
2919 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2922 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2923 involving a VAR_DECL or a PARM_DECL.
2925 2018-03-05 Pádraig Brady <P@draigBrady.com>
2926 Jason Merrill <jason@redhat.com>
2927 Nathan Sidwell <nathan@acm.org>
2930 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2932 2018-03-03 Jason Merrill <jason@redhat.com>
2934 PR c++/84686 - missing volatile loads.
2935 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2937 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2940 * optimize.c (maybe_thunk_body): Bail out immediately if either
2941 fns[0] or fns[1] is null.
2943 2018-03-02 Marek Polacek <polacek@redhat.com>
2946 * constexpr.c (get_array_or_vector_nelts): New.
2947 (cxx_eval_array_reference): Use it.
2948 (cxx_eval_vec_init_1): Likewise.
2949 (cxx_eval_store_expression): Likewise.
2951 2018-03-02 Jason Merrill <jason@redhat.com>
2953 * semantics.c (force_paren_expr): Remove redundant test.
2955 2018-03-02 Marek Polacek <polacek@redhat.com>
2958 * decl.c (cp_complete_array_type): Check error_mark_node.
2961 * typeck.c (cp_perform_integral_promotions): Check the result of
2964 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2967 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2968 RETURN instead of return.
2969 <case POINTER_PLUS_EXPR>: Likewise.
2970 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2971 it instead of wrapping it into CONVERT_EXPR.
2973 2018-03-02 Jason Merrill <jason@redhat.com>
2976 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2978 2018-03-02 Marek Polacek <polacek@redhat.com>
2981 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2982 wrapped in VIEW_CONVERT_EXPR.
2984 2018-03-01 Martin Sebor <msebor@redhat.com>
2987 * decl.c (check_redeclaration_no_default_args): Merge attributes
2988 specified on redeclarations of the same function template.
2991 2018-03-01 Marek Polacek <polacek@redhat.com>
2992 Jason Merrill <jason@redhat.com>
2995 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2997 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2998 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2999 of instantiate_non_dependent_expr.
3000 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
3002 2018-03-01 Nathan Sidwell <nathan@acm.org>
3005 * name-lookup.c (member_vec_dedup): Remove manually peeled
3006 iteration. Ignore dependent ctor inheritance.
3008 2018-03-01 Jason Merrill <jason@redhat.com>
3010 PR c++/71569 - decltype of template.
3011 * parser.c (cp_parser_decltype_expr): Handle missing template args.
3013 2018-03-01 Marek Polacek <polacek@redhat.com>
3016 * constexpr.c (require_rvalue_constant_expression): New function.
3017 * cp-tree.h: Declare it.
3018 * semantics.c (finish_static_assert): Use it instead of
3019 require_potential_rvalue_constant_expression.
3021 2018-03-01 Jason Merrill <jason@redhat.com>
3022 Alexandre Oliva <aoliva@redhat.com>
3024 PR c++/71569 - ICE with redundant args on member variable template.
3025 * decl.c (start_decl): Handle partial specialization of member
3027 * pt.c (determine_specialization): Allow partial specialization
3028 of member variable template without specializing enclosing class.
3029 (process_partial_specialization): Improve error message.
3031 2018-02-28 Jason Merrill <jason@redhat.com>
3033 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3034 * pt.c (determine_specialization): Check ref-qualifier.
3036 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3039 * parser.c (cp_parser_attributes_opt): Formatting fix.
3040 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3041 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3043 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3044 instead of tentative parse to peek over optional attribute tokens
3045 to check for CPP_COLON after them.
3049 * pt.c (INCLUDE_STRING): Remove define.
3050 (warn_spec_missing_attributes): Use pretty_printer instead of
3051 std::string. Fix up inform call so that the list of attributes
3054 2018-02-28 Martin Sebor <msebor@redhat.com>
3057 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3060 2018-02-28 Nathan Sidwell <nathan@acm.org>
3063 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3064 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3065 regardless of want_type.
3066 (search_anon_aggr): Just use get_class_binding_direct.
3068 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3070 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3073 2018-02-27 Martin Sebor <msebor@redhat.com>
3075 * pt.c: Avoid including <string> directly.
3077 2018-02-27 Martin Sebor <msebor@redhat.com>
3081 * cp-tree.h (warn_spec_missing_attributes): New function.
3082 ((check_explicit_specialization): Add an argument. Call the above
3084 * decl.c (duplicate_decls): Avoid applying primary function template's
3085 attributes to its explicit specializations.
3086 cp/pt.c (warn_spec_missing_attributes): Define.
3088 2018-02-27 HĂĄkon Sandsmark <hsandsmark@gmail.com>
3090 PR c++/71546 - lambda init-capture with qualified-id.
3091 * parser.c (cp_parser_lambda_introducer): Clear scope after
3092 each lambda capture.
3094 2018-02-27 Nathan Sidwell <nathan@acm.org>
3097 * name-lookup.h (get_member_slot): Rename ...
3098 (find_member_slot): ... here.
3099 (add_member_slot): New.
3100 * name-lookup.c (member_vec_linear_search): No need to check for
3102 (get_member_slot): Rename ...
3103 (find_member_slot): ... here. Don't add slot for incomplete class.
3104 (add_member_slot): New.
3105 * class.c (add_method): Adjust get_member_slot rename. Bail out
3106 if push_class_level_binding fails. Create slot and grok
3107 properties once we're committed to insertion.
3109 2018-02-27 Jason Merrill <jason@redhat.com>
3111 PR c++/84489 - dependent default template argument
3112 * pt.c (type_unification_real): Handle early substitution failure.
3114 2018-02-26 Jason Merrill <jason@redhat.com>
3116 PR c++/84560 - ICE capturing multi-dimensional VLA.
3117 * tree.c (array_of_runtime_bound_p): False if the element is
3120 PR c++/84441 - ICE with base initialized from ?:
3121 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3123 PR c++/84520 - ICE with generic lambda in NSDMI.
3124 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3125 'this' in a generic lambda instantiation.
3127 PR c++/84559 - ICE with constexpr VLA.
3128 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3129 for constexpr variable with VLA type.
3131 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3134 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3135 a valid constant initializer. Formatting fixes.
3137 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3140 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3141 returning NULL_TREE.
3142 (apply_late_template_attributes): Likewise.
3144 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3147 * parser.c (cp_parser_omp_var_list_no_open): Only call
3148 cp_parser_lookup_name_simple on names satisfying identifier_p.
3149 (cp_parser_oacc_routine): Likewise.
3151 2018-02-26 Jason Merrill <jason@redhat.com>
3153 PR c++/84551 - ICE with concepts and -g.
3154 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3156 2018-02-26 Marek Polacek <polacek@redhat.com>
3159 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3162 2018-02-26 Jason Merrill <jason@redhat.com>
3164 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3165 * call.c (build_over_call): Handle deleted functions in one place.
3167 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3170 * decl.c (redeclaration_error_message): Don't try to use
3171 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3173 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3175 * lambda.c (build_capture_proxy): Define static.
3176 * cp-tree.h (build_capture_proxy): Remove.
3178 2018-02-26 Marek Polacek <polacek@redhat.com>
3181 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3182 if name is error node.
3184 2018-02-25 Jason Merrill <jason@redhat.com>
3186 PR c++/84015 - ICE with class deduction and auto template parm.
3187 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3189 2018-02-24 Marek Polacek <polacek@redhat.com>
3192 * constexpr.c (maybe_constant_init_1): New function.
3193 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3194 (cxx_constant_init): New function.
3195 * cp-tree.h (cxx_constant_init): Declare.
3196 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3197 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3199 2018-02-22 Jason Merrill <jason@redhat.com>
3201 PR c++/70468 - ICE with constructor delegation via typedef.
3202 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3203 with constructor delegation.
3205 2018-02-22 Jason Merrill <jason@redhat.com>
3207 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3208 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3211 2018-02-22 Marek Polacek <polacek@redhat.com>
3214 * parser.c (cp_parser_braced_list): Use require_open instead of
3217 2018-02-21 Jason Merrill <jason@redhat.com>
3219 PR c++/84454 - ICE with pack expansion in signature.
3220 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3222 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3224 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3227 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3230 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3233 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3236 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3237 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3240 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3241 returns error_mark_node, return it immediately.
3242 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3243 error_mark_node, return error_mark_node.
3246 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3247 function_depth to avoid GC during finish_lambda_function.
3249 2018-02-19 Jason Merrill <jason@redhat.com>
3251 PR c++/84429 - ICE capturing VLA.
3252 * lambda.c (build_capture_proxy): Handle reference refs.
3254 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3257 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3258 either operand is error_mark_node, set current.lhs to that instead of
3259 creating a binary op with error_mark_node operands.
3262 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3264 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3267 * decl.c (grokdeclarator): Early return error_mark_node upon
3268 ill-formed friend declaration.
3270 2018-02-16 Marek Polacek <polacek@redhat.com>
3271 Jakub Jelinek <jakub@redhat.com>
3274 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3275 set *jump_target to anything if jump_target is NULL.
3277 2018-02-16 Jason Merrill <jason@redhat.com>
3279 PR c++/84151 - unnecessary volatile load with static member.
3280 * call.c (build_new_method_call_1): Avoid loading from a volatile
3281 lvalue used as the object argument for a static member function.
3283 PR c++/81853 - using-directive and constexpr.
3284 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3286 PR c++/84420 - ICE with structured binding in lambda.
3287 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3289 PR c++/83835 - C++17 error with constructor ctors.
3290 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3292 PR c++/82664 - ICE with reference to function template parm.
3293 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3296 PR c++/82764 - C++17 ICE with empty base
3297 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3299 2018-02-16 Jason Merrill <jason@redhat.com>
3301 PR c++/84421 - type-dependent if constexpr
3302 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3304 2018-02-16 Nathan Sidwell <nathan@acm.org>
3306 Deprecate -ffriend-injection.
3307 * decl.c (cxx_init_decl_processing): Emit warning on option.
3308 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3311 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3314 * decl.c (check_special_function_return_type): Reject template
3315 template parameter in deduction guide.
3317 2018-02-16 Nathan Sidwell <nathan@acm.org>
3320 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3322 2018-02-15 Jason Merrill <jason@redhat.com>
3324 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3325 * call.c (convert_like_real): Don't use the copy-list-initialization
3326 shortcut for ck_base.
3328 PR c++/84045 - ICE with typedef and noexcept.
3329 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3331 PR c++/84376 - ICE with omitted template arguments.
3332 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3334 PR c++/84368 - wrong error with local variable in variadic lambda.
3335 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3336 local_specializations.
3338 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3341 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3344 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3347 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3350 2018-02-14 Nathan Sidwell <nathan@acm.org>
3352 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3353 (c_parse_final_cleanups): Restore input_location after emitting
3356 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3358 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3359 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3360 auto_deduction_context, tree, int): Add defaults.
3361 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3362 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3363 tsubst_flags_t argument.
3364 * init.c (build_new): Likewise.
3366 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3369 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3370 about return other than *this in assignment operators if
3371 retval is type dependent expression.
3373 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3376 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3377 save_expr for the G++ extension.
3379 2018-02-13 Jason Merrill <jason@redhat.com>
3381 PR c++/84080 - ICE with return type deduction and specialization.
3382 * pt.c (determine_specialization): Check uses_template_parms.
3384 Fix more variadic capture issues.
3385 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3386 (check_for_bare_parameter_packs): Check current_class_type for
3388 (extract_locals_r): Handle seeing a full instantiation of a pack.
3389 (tsubst_pack_expansion): Likewise. Force lambda capture.
3390 * parser.c (cp_parser_lambda_introducer): Don't
3391 check_for_bare_parameter_packs.
3393 PR c++/84338 - wrong variadic sizeof.
3394 * pt.c (argument_pack_select_arg): Like the macro, but look through
3396 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3397 (extract_fnparm_pack): Do make_pack_expansion.
3398 (extract_locals_r): Do strip a pack expansion.
3399 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3401 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3404 * parser.c (cp_parser_binary_expression): Use build_min instead of
3405 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3407 2018-02-12 Nathan Sidwell <nathan@acm.org>
3410 * parser.c (cp_parser_decltype): Push and pop
3411 deferring_access_checks. Reorganize to avoid goto.
3413 2018-02-12 Richard Biener <rguenther@suse.de>
3416 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3417 uniform constructors and delay allocating them fully.
3419 2018-02-09 Jason Merrill <jason@redhat.com>
3421 PR c++/84036 - ICE with variadic capture.
3422 Handle variadic capture proxies more like non-variadic.
3423 * lambda.c (build_capture_proxy): Remove workaround.
3424 * pt.c (find_parameter_packs_r): The proxy is a pack.
3425 (instantiate_class_template_1): Remove dead lambda code.
3426 (extract_fnparm_pack): Don't make_pack_expansion.
3427 (extract_locals_r): Don't strip a pack expansion.
3428 (tsubst_pack_expansion): Handle proxy packs. Use
3429 PACK_EXPANSION_EXTRA_ARGS less.
3430 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3431 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3432 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3433 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3434 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3436 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3439 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3441 2018-02-09 Jason Merrill <jason@redhat.com>
3443 PR c++/81917 - ICE with void_t and partial specialization.
3444 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3445 calling most_specialized_partial_spec.
3447 2018-02-09 Nathan Sidwell <nathan@acm.org>
3450 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3451 Pass expr location to strict_aliasing_warning.
3453 2018-02-09 Jason Merrill <jason@redhat.com>
3455 PR c++/84296 - ICE with qualified-id in template.
3457 * pt.c (unknown_base_ref_p): New.
3458 (instantiation_dependent_scope_ref_p): Use it instead of
3459 any_dependent_bases_p.
3461 2018-02-09 Marek Polacek <polacek@redhat.com>
3462 Jakub Jelinek <jakub@redhat.com>
3465 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3466 fold_indirect_ref_1, including poly_*int64. Verify first that
3467 tree_fits_poly_int64_p (op01). Formatting fixes.
3469 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3471 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3472 * lambda.c (build_capture_proxy): Likewise.
3473 * search.c (field_access_p): Likewise.
3474 * semantics.c (omp_clause_decl, omp_privatize_field,
3475 finish_omp_clauses): Likewise.
3477 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3480 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3481 case of nullptr too.
3483 2018-02-08 Nathan Sidwell <nathan@acm.org>
3485 * class.c (finish_struct): Fix std:initializer_list diagnostic
3488 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3491 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3493 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3496 * parser.c (cp_parser_dot_deref_incomplete): New function.
3497 (cp_parser_postfix_dot_deref_expression): Use it.
3499 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3503 * name-lookup.c (suggest_rid_p): New function.
3504 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3507 2018-02-07 Jason Merrill <jason@redhat.com>
3509 PR c++/84182 - ICE with captured lambda
3511 * pt.c (extract_locals_r, extract_local_specs): New.
3512 (tsubst_pack_expansion): Use them.
3514 2018-02-07 Martin Liska <mliska@suse.cz>
3517 * class.c (add_method): Append argument value.
3518 * cp-tree.h (maybe_version_functions): Add new argument.
3519 * decl.c (decls_match): Call it if a declaration does not
3520 have DECL_FUNCTION_VERSIONED.
3521 (maybe_version_functions): record argument is added.
3523 2018-02-05 Marek Polacek <polacek@redhat.com>
3525 * class.c: Remove unused global variables.
3526 (build_primary_vtable): Don't gather statistics.
3527 (print_class_statistics): Remove.
3528 * cp-tree.h (print_class_statistics): Remove.
3529 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3531 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3533 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3534 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3535 * decl.c (next_initializable_field, find_decomp_class_base,
3536 cp_finish_decomp): Likewise.
3537 * typeck2.c (process_init_constructor_record): Likewise.
3539 2018-02-02 Jason Merrill <jason@redhat.com>
3541 PR c++/84181 - ICE with lambda parm in template argument.
3542 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3544 2018-02-01 Jason Merrill <jason@redhat.com>
3546 PR c++/84160 - ICE with nested variadic capture.
3547 * lambda.c (is_capture_proxy_with_ref): New.
3548 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3550 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3551 * constexpr.c (potential_constant_expression_1): Likewise.
3552 * semantics.c (process_outer_var_ref): Likewise.
3554 2018-02-01 Marek Polacek <polacek@redhat.com>
3557 * typeck.c (build_address): Relax the assert when
3558 processing_template_decl.
3560 2018-02-01 Jason Merrill <jason@redhat.com>
3562 PR c++/84126 - ICE with variadic generic lambda
3565 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3566 PACK_EXPANSION_EXTRA_ARGS.
3568 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3571 * call.c (convert_like_real): If w're initializing from {} explicitly
3572 call abstract_virtuals_error_sfinae.
3574 2018-01-31 Jason Merrill <jason@redhat.com>
3575 Jakub Jelinek <jakub@redhat.com>
3578 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3579 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3582 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3585 * constexpr.c (diag_array_subscript): Emit different diagnostics
3586 if TYPE_DOMAIN (arraytype) is NULL.
3587 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3588 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3590 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3593 * semantics.c (finish_qualified_id_expr): When handling an
3594 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3596 2018-01-31 Marek Polacek <polacek@redhat.com>
3599 * cp-gimplify.c (cp_fold): Check if X is an error node before
3600 calling useless_type_conversion_p.
3602 2018-01-30 Jason Merrill <jason@redhat.com>
3604 PR c++/84091 - ICE with local class in lambda in template.
3605 * decl2.c (determine_visibility): Look for outer containing template
3608 PR c++/84098 - ICE with lambda in template NSDMI.
3609 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3611 2018-01-29 Jason Merrill <jason@redhat.com>
3613 PR c++/68810 - wrong location for reinterpret_cast error.
3614 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3617 2018-01-29 Marek Polacek <polacek@redhat.com>
3620 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3621 => fooarray[1] in offset_int.
3623 2018-01-29 Jason Merrill <jason@redhat.com>
3625 PR c++/83942 - wrong unused warning with static_cast.
3626 * cvt.c (ocp_convert): Call mark_rvalue_use.
3628 2018-01-26 Jason Merrill <jason@redhat.com>
3630 PR c++/83956 - wrong dtor error with anonymous union
3631 * method.c (walk_field_subobs): Variant members only affect
3633 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3635 PR c++/84036 - ICE with variadic capture.
3637 * pt.c (tsubst_pack_expansion): When optimizing a simple
3638 substitution, pull a single pack expansion out of its pack.
3640 PR c++/82514 - ICE with local class in generic lambda.
3641 * pt.c (regenerated_lambda_fn_p): Remove.
3642 (enclosing_instantiation_of): Don't use it.
3643 (tsubst_function_decl): Call enclosing_instantiation_of.
3645 * pt.c (lookup_template_class_1): Add sanity check.
3646 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3648 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3651 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3652 recursive calls that return ret.
3653 (cp_finish_decomp): Ignore unnamed bitfields.
3655 2018-01-23 Jason Merrill <jason@redhat.com>
3657 PR c++/82249 - wrong mismatched pack length error.
3658 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3659 unsubstituted function parameter pack.
3661 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3664 * decl.c (check_for_uninitialized_const_var): Not static; add
3665 bool and tsubst_flags_t parameters; adjust to be used both in
3666 constexpr context and not.
3667 * constexpr.c (potential_constant_expression_1): Use the above.
3668 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3670 2018-01-23 Jason Merrill <jason@redhat.com>
3672 PR c++/83947 - ICE with auto declarations.
3673 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3674 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3676 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3679 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3680 for pointer to member function types.
3682 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3685 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3686 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3688 2018-01-23 Nathan Sidwell <nathan@acm.org>
3691 * pt.c (tsubst_baselink): Remove optype assert.
3692 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3694 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3697 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3698 refers to incomplete type.
3700 2018-01-23 Nathan Sidwell <nathan@acm.org>
3702 Deprecate ARM-era for scope handling
3703 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3704 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3706 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3708 * semantics.c (begin_for_scope): Flag_new_for_scope is
3710 (finish_for_stmt, begin_range_for_stmt): Likewise.
3712 2018-01-22 Jason Merrill <jason@redhat.com>
3715 * decl2.c (determine_visibility): Fix template_decl handling
3716 instead of blocking it.
3718 PR c++/83720 - ICE with lambda and LTO.
3719 * decl2.c (determine_visibility): Clear template_decl for
3720 function-scope decls. Propagate anonymous linkage from containing
3723 2018-01-22 Marek Polacek <polacek@redhat.com>
3726 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3729 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3732 * decl.c (grokdeclarator): Don't diagnose extra parens
3735 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3738 * call.c (joust): Use TREE_TYPE (source) if source is
3739 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3742 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3743 for direct enum init.
3744 * decl.c (reshape_init): Likewise.
3746 2018-01-19 Marek Polacek <polacek@redhat.com>
3748 * constexpr.c (fold_simple): Simplify.
3750 2018-01-18 Jason Merrill <jason@redhat.com>
3753 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3754 * pt.c (instantiation_dependent_scope_ref_p): True if
3755 any_dependent_bases_p.
3757 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3759 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3760 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3762 2018-01-18 Jason Merrill <jason@redhat.com>
3764 PR c++/82461 - constexpr list-initialized member
3765 * constexpr.c (potential_constant_expression_1): Check
3766 TARGET_EXPR_DIRECT_INIT_P.
3768 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3771 * decl.c (xref_basetypes): Early return upon error about derived
3774 2018-01-18 Nathan Sidwell <nathan@acm.org>
3777 * cp-tree.h (mark_use): Declare.
3778 * expr.c (mark_use): Make extern.
3779 * call.c (direct_reference_binding): Set inner conv's
3780 rvaluedness_matches_p, if it is an identity.
3781 (convert_like_real): Mark lvalue or rvalue use for identity as
3782 rvaledness_matches_p demands.
3784 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3787 * parser.c (attr_chainon): New function.
3788 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3789 cp_parser_namespace_definition, cp_parser_init_declarator,
3790 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3791 cp_parser_gnu_attributes_opt): Use it.
3792 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3793 cp_parser_objc_struct_declaration): Likewise. Don't reset
3794 prefix_attributes if attributes is error_mark_node.
3796 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3799 * decl.c (grokdeclarator): Do not append the error_mark_node
3800 due to an erroneous optional attribute-specifier-seq.
3802 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3805 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3808 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3811 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3812 error_mark_node when we give an error.
3813 * decl.c (cp_finish_decl): Use the latter.
3815 2018-01-17 Nathan Sidwell <nathan@acm.org>
3818 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3820 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3823 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3824 the C++ part. If processing a template, call
3825 fold_non_dependent_expr rather than fully folding.
3827 2018-01-17 Jason Merrill <jason@redhat.com>
3829 PR c++/81067 - redundant NULL warning.
3830 * call.c (convert_like_real): Restore null_node handling.
3832 2018-01-17 Jason Merrill <jason@redhat.com>
3834 PR c++/81843 - ICE with variadic member template.
3836 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3839 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3842 * pt.c (type_dependent_expression_p): Strip any location wrapper
3843 before testing tree codes.
3844 (selftest::test_type_dependent_expression_p): New function.
3845 (selftest::cp_pt_c_tests): Call it.
3847 2018-01-17 Nathan Sidwell <nathan@acm.org>
3850 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3851 this not a final instantiation.
3853 2018-01-16 Jason Merrill <jason@redhat.com>
3855 PR c++/83714 - ICE checking return in template.
3856 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3858 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3861 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3862 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3863 instead of CALL_FROM_THUNK_P.
3866 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3867 (resort_type_member_vec, set_class_bindings,
3868 insert_late_enum_def_bindings): Use vec qsort method instead of
3869 calling qsort directly.
3871 2018-01-15 Martin Sebor <msebor@redhat.com>
3874 * class.c (find_flexarrays): Make a record of multiple flexible array
3877 2018-01-12 Jason Merrill <jason@redhat.com>
3879 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3880 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3882 2018-01-12 Nathan Sidwell <nathan@acm.org>
3884 * cp-tree.h (mark_rvalue_use): Add parm name.
3885 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3887 * call.c (convert_like_real): Fix formatting.
3889 2018-01-11 Jason Merrill <jason@redhat.com>
3891 PR c++/82728 - wrong -Wunused-but-set-variable
3894 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3895 * decl.c (case_conversion): Likewise.
3896 * semantics.c (finish_static_assert): Call
3897 perform_implicit_conversion_flags.
3899 2018-01-11 Nathan Sidwell <nathan@acm.org>
3901 * method.c (enum mangling_flags): Delete long-dead enum.
3903 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3905 * parser.c (cp_parser_std_attribute_spec): When
3906 token_pair::require_open / require_close return false simply
3907 return error_mark_node, avoid duplicate cp_parser_error about
3908 expected '(' / ')', respectively.
3910 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3913 * call.c (null_ptr_cst_p): Strip location wrappers when
3914 converting from '0' to a pointer type in C++11 onwards.
3915 (conversion_null_warnings): Replace comparison with null_node with
3916 call to null_node_p.
3917 (build_over_call): Likewise.
3918 * cp-gimplify.c (cp_fold): Remove the early bailout when
3919 processing_template_decl.
3920 * cp-lang.c (selftest::run_cp_tests): Call
3921 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3922 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3923 (selftest::run_cp_tests): Move decl to bottom of file.
3924 (null_node_p): New inline function.
3925 (selftest::cp_pt_c_tests): New decl.
3926 (selftest::cp_tree_c_tests): New decl.
3927 * cvt.c (build_expr_type_conversion): Replace comparison with
3928 null_node with call to null_node_p.
3929 * error.c (args_to_string): Likewise.
3930 * except.c (build_throw): Likewise.
3931 * mangle.c (write_expression): Skip location wrapper nodes.
3932 * parser.c (literal_integer_zerop): New function.
3933 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3934 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3935 param of cp_parser_parenthesized_expression_list. When calling
3936 warn_for_memset, replace integer_zerop calls with
3937 literal_integer_zerop, eliminating the double logical negation
3938 cast to bool. Eliminate the special-casing for CONST_DECL in
3939 favor of the fold_for_warn within warn_for_memset.
3940 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3941 param, defaulting to false. Convert "expr" to a cp_expr, and call
3942 maybe_add_location_wrapper on it when wrap_locations_p is true.
3943 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3944 the result for RID_ALIGNOF and RID_SIZEOF.
3945 (cp_parser_builtin_offsetof): Likewise.
3946 * pt.c: Include "selftest.h".
3947 (tsubst_copy): Handle location wrappers.
3948 (tsubst_copy_and_build): Likewise.
3949 (build_non_dependent_expr): Likewise.
3950 (selftest::test_build_non_dependent_expr): New function.
3951 (selftest::cp_pt_c_tests): New function.
3952 * tree.c: Include "selftest.h".
3953 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3954 (selftest::test_lvalue_kind): New function.
3955 (selftest::cp_tree_c_tests): New function.
3956 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3957 (cp_build_binary_op): Replace comparison with null_node with call
3959 (build_address): Use location of operand when building address
3962 2018-01-10 Marek Polacek <polacek@redhat.com>
3965 * call.c (build_conditional_expr_1): Check complain before warning.
3966 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3967 -Wduplicated-branches.
3969 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3972 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3973 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3974 args uses and check number of operands too. Don't strip away any
3975 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3976 Deal with src argument not having pointer type. Check
3977 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3979 (build_over_call): Call maybe_warn_class_memaccess here on the
3981 (build_cxx_call): Rather than here on converted arguments.
3983 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3986 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3987 error_mark_node as second argument.
3989 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3992 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3993 in STATEMENT_LIST. Remove unneeded assert.
3995 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3996 Alan Hayward <alan.hayward@arm.com>
3997 David Sherwood <david.sherwood@arm.com>
3999 * constexpr.c (cxx_eval_array_reference): Handle polynomial
4001 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
4002 * call.c (build_conditional_expr_1): Likewise.
4003 * decl.c (cp_finish_decomp): Likewise.
4004 * mangle.c (write_type): Likewise.
4005 * typeck.c (structural_comptypes): Likewise.
4006 (cp_build_binary_op): Likewise.
4007 * typeck2.c (process_init_constructor_array): Likewise.
4009 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4012 * typeck.c (build_static_cast_1): For static casts to reference types,
4013 call build_base_path with flag_delete_null_pointer_checks as nonnull
4014 instead of always false. When -fsanitize=null, call
4015 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
4016 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
4017 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
4019 2018-01-03 Nathan Sidwell <nathan@acm.org>
4022 * method.c (make_alias_for): Copy DECL_CONTEXT.
4024 2018-01-03 Marek Polacek <polacek@redhat.com>
4027 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4029 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4031 PR preprocessor/83602
4032 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4036 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4037 error_mark_node, return error_mark_node.
4039 Update copyright years.
4041 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4044 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4045 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4046 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4047 to false and return.
4048 (replace_placeholders): Pass NULL instead of &pset as last argument
4051 2018-01-02 Nathan Sidwell <nathan@acm.org>
4053 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4056 Copyright (C) 2018 Free Software Foundation, Inc.
4058 Copying and distribution of this file, with or without modification,
4059 are permitted in any medium without royalty provided the copyright
4060 notice and this notice are preserved.