1 2018-09-25 Jakub Jelinek <jakub@redhat.com>
4 * constexpr.c (cxx_eval_constant_expression) <case OBJ_TYPE_REF>: Only
5 look through COMPONENT_REFs with DECL_FIELD_IS_BASE FIELD_DECLs.
7 2018-09-25 Martin Liska <mliska@suse.cz>
9 * name-lookup.c (namespace_scope_ht_size): Remove
11 * parser.c (cp_lexer_next_token_is_not_keyword): Likewise.
13 2018-09-24 Paolo Carlini <paolo.carlini@oracle.com>
16 * method.c (lazily_declare_fn): During error-recovery add_method
19 2018-09-21 Marek Polacek <polacek@redhat.com>
21 PR c++/87372 - __func__ constexpr evaluation.
22 * constexpr.c (maybe_constant_init_1): Pass false for strict down to
23 cxx_eval_outermost_constant_expr.
25 2018-09-20 Marek Polacek <polacek@redhat.com>
27 PR c++/87109 - wrong ctor with maybe-rvalue semantics.
28 * call.c (build_user_type_conversion_1): Refine the maybe-rvalue
29 check to only return if we're converting the return value to a base
32 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
34 * g++spec.c (lang_specific_driver): Handle -r like -nostdlib.
36 2018-09-20 Jason Merrill <jason@redhat.com>
38 PR c++/87075 - ICE with constexpr array initialization.
39 * constexpr.c (cxx_eval_vec_init_1): Handle trivial initialization.
41 2018-09-19 Marek Polacek <polacek@redhat.com>
43 Add -Wclass-conversion.
44 * decl.c (grok_op_properties): Change a warning from -Wconversion to
45 -Wclass-conversion. Make it print the types.
47 2018-09-19 Paolo Carlini <paolo.carlini@oracle.com>
50 * parser.c (cp_parser_initializer_list): Assign error_mark_node
51 to the index upon error.
53 2018-09-19 Marek Polacek <polacek@redhat.com>
55 PR c++/87357 - missing -Wconversion warning
56 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
57 a conversion to a reference to void. Use
58 same_type_ignoring_top_level_qualifiers_p rather than comparing types
61 2018-09-18 Marek Polacek <polacek@redhat.com>
63 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
64 * call.c (build_over_call): No longer check if we're outside a template
66 * class.c (build_vtbl_initializer): Build vtable's constructor with
68 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
69 initializer. Handle OBJ_TYPE_REF.
70 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
71 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
72 (initialize_artificial_var): Mark the variable as constexpr.
73 (grokdeclarator): Change error to pedwarn. Only warn when
74 pedantic and not C++2a.
76 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
79 * cp-tree.h (NON_ERROR): New.
80 * pt.c (auto_hash::hash): Use it.
81 (do_auto_deduction): Likewise.
83 2018-09-18 Nathan Sidwell <nathan@acm.org>
86 * name-lookup.c (check_local_shadow): Ignore auto types.
88 2018-09-17 David Malcolm <dmalcolm@redhat.com>
90 * error.c (range_label_for_type_mismatch::get_text): Update for
93 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
95 * typeck2.c (digest_init_r): Fix overlength strings.
97 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
100 * method.c (constructible_expr): We're in an unevaluated context
101 in all cases, not just for class targets.
103 2018-09-12 David Malcolm <dmalcolm@redhat.com>
106 * call.c (struct conversion_info): Add "loc" field.
107 (arg_conversion_rejection): Add "loc" param, using it to
108 initialize the new field.
109 (bad_arg_conversion_rejection): Likewise.
110 (explicit_conversion_rejection): Initialize the new field to
112 (template_conversion_rejection): Likewise.
113 (add_function_candidate): Pass on the argument location to the new
114 param of arg_conversion_rejection.
115 (add_conv_candidate): Likewise.
116 (build_builtin_candidate): Likewise.
117 (build_user_type_conversion_1): Likewise.
118 (single_z_candidate): New function.
119 (maybe_get_bad_conversion_for_unmatched_call): New function.
120 (complain_about_bad_argument): New function, based on part of
121 convert_for_assignment.
122 (build_new_method_call_1): Split out handling of the "no viable
123 candidates" case into...
124 (complain_about_no_candidates_for_method_call): ...this new
125 function, and use the new functions above to special-case the
126 handling of a single non-viable candidate due to a bad argument.
127 * cp-tree.h (complain_about_bad_argument): New decl.
128 * typeck.c (convert_for_assignment): Split out one error-handling
129 case into complain_about_bad_argument.
131 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
132 Julian Brown <julian@codesourcery.com>
135 * semantics.c (finish_omp_clauses): Treat C++ references the same in
138 2018-08-28 Martin Liska <mliska@suse.cz>
140 * constexpr.c (cxx_eval_call_expression): Add quotes
141 to -fconstexpr-depth=.
143 2018-09-10 Marek Polacek <polacek@redhat.com>
145 * class.c (build_vtbl_ref): Remove.
146 (build_vtbl_ref_1): Rename to build_vtbl_ref.
147 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
149 2018-09-08 Marek Polacek <polacek@redhat.com>
151 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
152 * call.c (struct conversion): Update commentary.
153 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
156 2018-09-08 Jason Merrill <jason@redhat.com>
158 PR c++/86678 - constexpr function with non-constant after return.
159 * constexpr.c (potential_constant_expression_1): Add jump_target.
160 (breaks): Check for BREAK_STMT.
161 (continues): Check for CONTINUE_STMT.
163 2018-09-08 Marek Polacek <polacek@redhat.com>
165 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
166 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
168 2018-09-07 Marek Polacek <polacek@redhat.com>
170 PR c++/87152 - range-based for loops with initializer broken in templates.
171 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
172 Recur into RANGE_FOR_INIT_STMT.
173 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
174 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
175 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
177 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
179 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
180 Do put the init statement in RANGE_FOR_INIT_STMT.
181 (finish_range_for_decl): Pop it for templates.
183 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
185 * decl.c (check_initializer): Call cp_complete_array_type.
187 2018-09-05 Marek Polacek <polacek@redhat.com>
189 PR c++/87109, wrong overload with ref-qualifiers.
190 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
191 out if performing the maybe-rvalue overload resolution and a conversion
192 function is getting called.
194 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
195 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
196 to std::move or std::forward.
197 (is_std_forward_p): New function.
199 2018-09-05 Pádraig Brady <p@draigbrady.com>
202 * lambda.c (prune_lambda_captures): Protect against const_vars.get
205 2018-09-04 Marek Polacek <polacek@redhat.com>
207 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
208 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
209 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
211 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
212 (check_return_expr): Likewise.
214 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
217 * constraint.cc (finish_shorthand_constraint): Early return if the
218 constraint is erroneous.
220 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
222 * decl.c (eval_check_narrowing): Remove.
223 (check_initializer): Move call to braced_list_to_string from here ...
224 * typeck2.c (store_init_value): ... to here.
225 (digest_init_r): Remove handing of signed/unsigned char strings.
227 2018-08-31 Nathan Sidwell <nathan@acm.org>
231 * name-lookup.c (name_lookup::search_namespace): Don't look at
232 inlines when searching for NULL names.
234 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
235 of return types and parms.
236 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
237 '()' always means '(void)'.
239 2018-08-29 Jakub Jelinek <jakub@redhat.com>
242 * decl.c (begin_destructor_body): If current_class_type has
243 virtual bases and the primary base is nearly empty virtual base,
244 voidify clearing of vptr and make it conditional on in-charge
247 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
250 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
251 returns error_mark_node early exit the loop.
252 (cp_parser_template_introduction): Improve error-recovery, remove
253 error call about empty introduction-list.
255 2018-08-29 David Malcolm <dmalcolm@redhat.com>
258 * call.c (print_conversion_rejection): Add "fn" param and use it
259 for "no known conversion" messages to underline the pertinent
261 (print_z_candidate): Supply "fn" to the new param above.
263 2018-08-29 Jakub Jelinek <jakub@redhat.com>
266 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
267 processing_template_decl and decl is structured binding decl, call
270 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
273 * decl.c (finish_case_label): If the type is erroneous early
274 return error_mark_node.
276 2018-08-27 David Malcolm <dmalcolm@redhat.com>
279 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
282 2018-08-27 Jakub Jelinek <jakub@redhat.com>
285 * cp-tree.h (cxx_readonly_error): Add location_t argument.
286 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
287 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
288 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
289 pass LOC to it. Formatting fixes.
290 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
291 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
292 * semantics.c (finish_asm_stmt): Pass input_location to
295 2018-08-27 David Malcolm <dmalcolm@redhat.com>
298 * decl.c (grokdeclarator): Update for conversion of show_caret_p
300 * error.c (cp_printer): Likewise.
301 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
302 maybe_add_include_fixit to suggest overriding the location, as it
304 * parser.c (cp_parser_string_literal): Update for conversion of
305 show_caret_p to a tri-state.
306 (cp_parser_elaborated_type_specifier): Likewise.
307 (set_and_check_decl_spec_loc): Likewise.
308 * pt.c (listify): Update call to maybe_add_include_fixit to not
309 override the location, as it is for an error.
310 * rtti.c (typeid_ok_p): Likewise.
312 2018-08-27 Martin Liska <mliska@suse.cz>
314 * call.c (build_call_a): Use new function
315 fndecl_built_in_p and remove check for FUNCTION_DECL if
317 (build_cxx_call): Likewise.
318 * constexpr.c (constexpr_fn_retval): Likewise.
319 (cxx_eval_builtin_function_call): Likewise.
320 (cxx_eval_call_expression): Likewise.
321 (potential_constant_expression_1): Likewise.
322 * cp-gimplify.c (cp_gimplify_expr): Likewise.
324 * decl.c (decls_match): Likewise.
325 (validate_constexpr_redeclaration): Likewise.
326 (duplicate_decls): Likewise.
327 (make_rtl_for_nonlocal_decl): Likewise.
328 * name-lookup.c (consider_binding_level): Likewise.
329 (cp_emit_debug_info_for_using): Likewise.
330 * semantics.c (finish_call_expr): Likewise.
331 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
333 2018-08-26 Marek Polacek <polacek@redhat.com>
336 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
338 PR c++/87029, Implement -Wredundant-move.
339 * typeck.c (treat_lvalue_as_rvalue_p): New function.
340 (maybe_warn_pessimizing_move): Call convert_from_reference.
341 Warn about redundant moves.
343 2018-08-24 Marek Polacek <polacek@redhat.com>
347 * decl.c (grokdeclarator): Disallow functions with trailing return
348 type with decltype(auto) as its type. Also check the function if
349 it's inner declarator doesn't exist
351 2018-08-21 Marek Polacek <polacek@redhat.com>
354 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
355 lambda has a capture-default.
357 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
359 * decl.c (check_static_variable_definition): Change to return void.
361 2018-08-21 Marek Polacek <polacek@redhat.com>
363 PR c++/86981, Implement -Wpessimizing-move.
364 * typeck.c (decl_in_std_namespace_p): New.
365 (is_std_move_p): New.
366 (maybe_warn_pessimizing_move): New.
367 (can_do_nrvo_p): New, factored out of ...
368 (check_return_expr): ... here. Warn about potentially harmful
369 std::move in a return statement.
372 * call.c (standard_conversion): Set check_narrowing.
373 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
374 than comparing with INTEGER_TYPE.
376 * cp-tree.h: Fix typo.
378 2018-08-20 David Malcolm <dmalcolm@redhat.com>
381 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
383 (print_error_for_call_failure): Likewise.
384 (build_op_call_1): Likewise.
385 (build_conditional_expr_1): Likewise.
386 (build_new_op_1): Likewise.
387 (build_op_delete_call): Likewise.
388 (convert_like_real): Likewise.
389 (build_over_call): Likewise.
390 (build_new_method_call_1): Likewise.
392 * class.c (check_tag): Likewise.
393 (finish_struct_anon_r): Likewise.
394 (one_inherited_ctor): Likewise.
395 (finalize_literal_type_property): Likewise.
396 (explain_non_literal_class): Likewise.
397 (find_flexarrays): Likewise.
398 (resolve_address_of_overloaded_function): Likewise.
399 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
400 (is_valid_constexpr_fn): Likewise.
401 (cx_check_missing_mem_inits): Likewise.
402 * cp-gimplify.c (cp_genericize_r): Likewise.
403 * cvt.c (maybe_warn_nodiscard): Likewise.
404 * decl.c (warn_extern_redeclared_static): Likewise.
405 (check_redeclaration_exception_specification): Likewise.
406 (check_no_redeclaration_friend_default_args): Likewise.
407 (duplicate_decls): Likewise.
408 (redeclaration_error_message): Likewise.
409 (warn_misplaced_attr_for_class_type): Likewise.
410 * decl2.c (finish_static_data_member_decl): Likewise.
411 (no_linkage_error): Likewise.
412 (cp_warn_deprecated_use): Likewise.
413 * error.c (qualified_name_lookup_error): Likewise.
414 * friend.c (make_friend_class): Likewise.
415 (do_friend): Likewise.
416 * init.c (perform_member_init): Likewise.
417 (build_new_1): Likewise.
418 (build_vec_delete_1): Likewise.
419 (build_delete): Likewise.
420 * lex.c (unqualified_name_lookup_error): Likewise.
421 * name-lookup.c (check_extern_c_conflict): Likewise.
422 (inform_shadowed): New function.
423 (check_local_shadow): Add auto_diagnostic_group instances,
424 replacing goto "inform_shadowed" label with call to subroutine.
425 (set_local_extern_decl_linkage): Add auto_diagnostic_group
427 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
428 (cp_parser_namespace_name): Likewise.
429 * pt.c (check_specialization_namespace): Likewise.
430 (check_template_variable): Likewise.
431 (warn_spec_missing_attributes): Likewise.
432 (check_explicit_specialization): Likewise.
433 (process_partial_specialization): Likewise.
434 (lookup_template_class_1): Likewise.
435 (finish_template_variable): Likewise.
436 (do_auto_deduction): Likewise.
437 * search.c (check_final_overrider): Likewise.
438 (look_for_overrides_r): Likewise.
439 * tree.c (maybe_warn_parm_abi): Likewise.
440 * typeck.c (cxx_sizeof_expr): Likewise.
441 (cp_build_function_call_vec): Likewise.
442 (cp_build_binary_op): Likewise.
443 (convert_for_assignment): Likewise.
444 (maybe_warn_about_returning_address_of_local): Likewise.
445 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
446 (check_narrowing): Likewise.
448 2018-08-17 David Malcolm <dmalcolm@redhat.com>
450 * typeck.c (string_conv_p): Extract location from EXP and use it
451 in preference to input_location when issuing warnings.
453 2018-08-15 David Malcolm <dmalcolm@redhat.com>
455 * call.c: Include "gcc-rich-location.h".
456 (convert_like_real): Add range label for "invalid conversion"
458 (perform_implicit_conversion_flags): Add type label to the
459 "could not convert" error.
460 * error.c: Include "gcc-rich-location.h".
461 (range_label_for_type_mismatch::get_text): New function.
462 * typeck.c (convert_for_assignment): Add type label to
463 the "cannot convert" error if a location is available.
465 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
467 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
468 emit an error instead of a permerror.
470 2018-08-13 Marek Polacek <polacek@redhat.com>
473 * call.c (struct conversion): Add check_narrowing_const_only.
474 (build_converted_constant_expr): Set check_narrowing and
475 check_narrowing_const_only. Give error if expr is error node.
476 (convert_like_real): Pass it to check_narrowing.
477 * cp-tree.h (check_narrowing): Add a default parameter.
478 * decl.c (compute_array_index_type): Use input_location instead of
480 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
481 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
482 expressions. Call maybe_constant_value instead of
483 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
484 narrowing for constants if CONST_ONLY.
486 2018-08-13 Martin Sebor <msebor@redhat.com>
488 PR tree-optimization/71625
489 * decl.c (check_initializer): Call braced_list_to_string.
490 (eval_check_narrowing): New function.
491 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
492 as initilizers for all narrow character types.
494 2018-08-13 Marek Polacek <polacek@redhat.com>
496 P0806R2 - Deprecate implicit capture of this via [=]
497 * lambda.c (add_default_capture): Formatting fixes. Warn about
498 deprecated implicit capture of this via [=].
501 * decl.c (create_array_type_for_decl): Handle null name.
503 2018-08-10 Jason Merrill <jason@redhat.com>
505 PR c++/86728 - C variadic generic lambda.
506 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
507 a pack if it's followed by a declarator-id.
509 2018-08-08 Jakub Jelinek <jakub@redhat.com>
511 P0595R1 - is_constant_evaluated
512 * cp-tree.h (enum cp_built_in_function): New.
513 (maybe_constant_init): Add pretend_const_required argument.
514 * typeck2.c (store_init_value): Pass true as new argument to
516 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
517 for BUILT_IN_UNREACHABLE.
518 (struct constexpr_ctx): Add pretend_const_required field.
519 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
520 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
521 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
522 (cxx_eval_outermost_constant_expr): Add pretend_const_required
523 argument, initialize pretend_const_required field in ctx. If the
524 result is TREE_CONSTANT and non_constant_p, retry with
525 pretend_const_required false if it was true.
526 (is_sub_constant_expr): Initialize pretend_const_required_field in
528 (cxx_constant_value): Pass true as pretend_const_required to
529 cxx_eval_outermost_constant_expr.
530 (maybe_constant_value): Pass false as pretend_const_required to
531 cxx_eval_outermost_constant_expr.
532 (fold_non_dependent_expr): Likewise.
533 (maybe_constant_init_1): Add pretend_const_required argument, pass it
534 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
535 instead of false as strict to cxx_eval_outermost_constant_expr.
536 (maybe_constant_init): Add pretend_const_required argument, pass it
537 down to maybe_constant_init_1.
538 (cxx_constant_init): Pass true as pretend_const_required to
539 maybe_constant_init_1.
540 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
541 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
542 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
543 * decl.c: Include langhooks.h.
544 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
546 * tree.c (builtin_valid_in_constant_expr_p): Return true for
547 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
548 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
551 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
552 before tsubst_init, not after it.
555 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
556 NULL pointer set *non_constant_p to true.
557 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
558 set *non_constant_p to true and return t.
560 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
563 * decl.c (check_no_redeclaration_friend_default_args): New.
564 (duplicate_decls): Use the latter; also check that a friend
565 declaration specifying default arguments is a definition.
567 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
570 * name-lookup.c (check_local_shadow): Reject captures and parameters
573 2018-08-06 Marek Polacek <polacek@redhat.com>
576 * constexpr.c (cxx_eval_statement_list): Handle continue.
578 2018-08-03 David Malcolm <dmalcolm@redhat.com>
579 Jonathan Wakely <jwakely@redhat.com>
581 * decl.c: Include "gcc-rich-location.h".
582 (add_return_star_this_fixit): New function.
583 (finish_function): When warning about missing return statements in
584 functions returning non-void, add a "return *this;" fix-it hint for
585 assignment operators.
587 2018-08-03 Jason Merrill <jason@redhat.com>
590 * class.c (build_base_path): Use currently_open_class.
592 2018-08-02 David Malcolm <dmalcolm@redhat.com>
594 * error.c (cxx_print_error_function): Duplicate "file" before
595 passing it to pp_set_prefix.
596 (cp_print_error_function): Use pp_take_prefix when saving the
599 2018-08-02 Richard Biener <rguenther@suse.de>
602 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
603 to the CLASSTYPE_AS_BASE.
605 2018-08-01 Martin Sebor <msebor@redhat.com>
607 PR tree-optimization/86650
608 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
609 TREE_BLOCK (t) from within percent_K_format to this callsite.
611 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
614 * class.c (note_name_declared_in_class): Use location_of in permerror
615 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
617 2018-07-31 Tom de Vries <tdevries@suse.de>
620 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
622 2018-07-31 Jakub Jelinek <jakub@redhat.com>
624 P1008R1 - prohibit aggregates with user-declared constructors
625 * class.c (check_bases_and_members): For C++2a set
626 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
627 type_has_user_provided_or_explicit_constructor.
629 2018-07-31 Martin Liska <mliska@suse.cz>
632 * parser.c (cp_parser_condition): Initialize non_constant_p
635 2018-07-28 David Malcolm <dmalcolm@redhat.com>
637 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
638 into alphabetical order, and add missing "%G" and "%K". Within
639 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
640 cases are in alphabetical order.
642 2018-07-25 Jakub Jelinek <jakub@redhat.com>
644 * cp-tree.h (enum cp_tree_index): Add
645 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
646 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
647 (abi_tag_identifier, aligned_identifier, begin_identifier,
648 end_identifier, get__identifier, gnu_identifier,
649 tuple_element_identifier, tuple_size_identifier, type_identifier,
650 value_identifier, fun_identifier, closure_identifier): Define.
651 * decl.c (initialize_predefined_identifiers): Initialize the above
653 (get_tuple_size): Use tuple_size_identifier instead of
654 get_identifier ("tuple_size") and value_identifier instead of
655 get_identifier ("value").
656 (get_tuple_element_type): Use tuple_element_identifier instead of
657 get_identifier ("tuple_element") and type_identifier instead of
658 get_identifier ("type").
659 (get_tuple_decomp_init): Use get__identifier instead of
660 get_identifier ("get").
661 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
662 get_identifier ("_FUN").
663 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
664 instead of get_identifier ("__closure").
665 (cp_parser_std_attribute): Use gnu_identifier instead of
666 get_identifier ("gnu").
667 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
668 instead of get_identifier ("aligned").
669 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
670 abi_tag_identifier instead of get_identifier ("abi_tag").
673 * cp-tree.h (enum cp_tree_index): Add
674 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
675 (for_range__identifier, for_begin__identifier, for_end__identifier,
676 for_range_identifier, for_begin_identifier, for_end_identifier):
678 * decl.c (initialize_predefined_identifiers): Initialize
679 for_{range,begin,end}{,_}_identifier.
680 * parser.c (build_range_temp): Use for_range__identifier instead of
681 get_identifier ("__for_range").
682 (cp_convert_range_for): Use for_begin__identifier and
683 for_end__identifier instead of get_identifier ("__for_begin") and
684 get_identifier ("__for_end").
685 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
686 local symbols to "__for_{range,begin,end}".
688 2018-07-23 Jakub Jelinek <jakub@redhat.com>
691 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
692 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
693 or warn_nonnull_compare.
695 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
697 Revert fix for c++/59480 (and testsuite followup)
699 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
702 * decl.c (check_no_redeclaration_friend_default_args): New.
703 (duplicate_decls): Use the latter; also check that a friend
704 declaration specifying default arguments is a definition.
706 2018-07-18 Jakub Jelinek <jakub@redhat.com>
709 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
710 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
712 2018-07-18 Marek Polacek <polacek@redhat.com>
714 PR c++/86190 - bogus -Wsign-conversion warning
715 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
718 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
721 * decl.c (check_no_redeclaration_friend_default_args): New.
722 (duplicate_decls): Use the latter; also check that a friend
723 declaration specifying default arguments is a definition.
725 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
727 * class.c (note_name_declared_in_class): Prefer permerror + inform
728 to a pair of permerrors; use DECL_SOURCE_LOCATION.
730 2018-07-18 Richard Biener <rguenther@suse.de>
733 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
734 start_static_storage_duration_function sets current_function_decl.
736 2018-07-17 Jason Merrill <jason@redhat.com>
738 PR c++/86480 - nested variadic lambda and constexpr if.
739 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
741 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
742 cp_unevaluated_operand.
743 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
745 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
747 * class.c (resolve_address_of_overloaded_function): Don't emit an
748 inform if the matching permerror returns false.
749 * pt.c (check_specialization_namespace): Likewise.
751 2018-07-16 Jakub Jelinek <jakub@redhat.com>
755 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
756 in TREE_USED flag from stmt to h->to.
758 2018-07-13 Nathan Sidwell <nathan@acm.org>
761 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
762 contexts that are classes.
763 * parser.c (cp_parser_template_id): Combine entering_scope decl &
766 2018-07-12 Jakub Jelinek <jakub@redhat.com>
768 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
769 type here, instead add "omp declare target implicit" attribute. Add
770 that attribute instead of "omp declare target" also when
771 processing_template_decl.
772 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
773 and before calling cp_omp_mappable_type call complete_type.
775 2018-07-10 Jakub Jelinek <jakub@redhat.com>
778 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
782 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
783 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
784 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
785 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
786 TREE_LIST for both the original class iterator and the "last" helper
789 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
791 * decl.c (grokdeclarator): Use rich_location::add_range in three
792 more places; include gcc-rich-location.h.
794 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
796 * decl.c (build_enumerator): Change overflow type to overflow_type.
797 * init.c (build_new_1): Same.
799 2018-07-05 Nathan Sidwell <nathan@acm.org>
801 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
802 NO_IMPLICIT_EXTERN_C.
803 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
805 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
808 * method.c (is_trivially_xible): Return false
809 if is_xible_helper returns a NULL_TREE.
811 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
813 * decl.c (min_location): New.
814 (smallest_type_quals_location): Use the latter.
815 (check_concept_fn): Use DECL_SOURCE_LOCATION.
816 (grokdeclarator): Use accurate locations in a number of error
817 messages involving ds_thread, ds_storage_class, ds_virtual,
818 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
820 2018-07-03 Marek Polacek <polacek@redhat.com>
823 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
825 2018-07-03 Jason Merrill <jason@redhat.com>
827 PR c++/86378 - functional cast in noexcept-specifier.
828 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
830 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
832 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
833 in error message about __thread and thread_local at the same time.
835 2018-06-29 Marek Polacek <polacek@redhat.com>
838 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
840 2018-06-28 David Malcolm <dmalcolm@redhat.com>
842 * parser.c (cp_parser_error_1): After issuing a conflict marker
843 error, consume tokens until the end of the source line.
845 2018-06-28 Jason Merrill <jason@redhat.com>
847 PR c++/86342 - -Wdeprecated-copy and system headers.
848 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
851 2018-06-27 David Malcolm <dmalcolm@redhat.com>
854 * name-lookup.c (consider_binding_level): Filter out names that
855 match anon_aggrname_p.
857 2018-06-27 Jason Merrill <jason@redhat.com>
859 * name-lookup.c (do_pushtag): If we skip a class level, also skip
862 2018-06-26 Jason Merrill <jason@redhat.com>
864 PR c++/86320 - memory-hog with std::array of pair
865 * typeck2.c (process_init_constructor_array): Only compute a
866 constant initializer once.
868 PR c++/80290 - memory-hog with std::pair.
869 * pt.c (fn_type_unification): Add convs parameter.
870 (check_non_deducible_conversion): Remember conversion.
871 (check_non_deducible_conversions): New. Do checks here.
872 (type_unification_real): Not here. Remove flags parm.
873 * call.c (add_function_candidate): Make convs a parameter.
874 Don't recalculate the conversion if it's already set.
875 (add_template_candidate_real): Allocate convs here.
876 (good_conversion, conv_flags): New.
878 2018-06-26 Jakub Jelinek <jakub@redhat.com>
881 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
882 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
884 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
886 * decl.c (bad_specifiers): Add const location_t* parameter and
887 use locations in error messages about 'inline' and 'virtual'.
888 (mark_inline_variable): Add location_t parameter and use it in
889 error_at and pedwarn messages.
890 (grokdeclarator): Use declspecs->locations[ds_constexpr],
891 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
892 declspecs->locations[ds_inline] in many error messages; adjust
893 bad_specifiers and mark_inline_variable calls.
894 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
896 2018-06-22 Jason Merrill <jason@redhat.com>
898 PR c++/86219 - ICE with erroneous initializer in template.
899 * constexpr.c (fold_non_dependent_expr): Add complain parm.
900 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
902 * call.c (build_cxx_call): Don't mess with builtins in a template.
903 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
904 produce a constant value, go back to the uninstantiated form.
906 Avoid taking the address of something just because it's in parens.
907 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
908 (cxx_fold_indirect_ref): Use it.
909 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
910 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
911 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
912 static_cast to reference type.
913 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
915 2018-06-21 Jason Merrill <jason@redhat.com>
917 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
919 * name-lookup.c (do_push_to_top_level): Don't allocate
921 (do_pop_from_top_level): Release current_lang_base.
923 Let -fmem-report see callers of cxx_make_type.
924 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
925 (make_class_type): Likewise.
926 (cxx_make_type_hook): New.
927 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
929 2018-06-20 Nathan Sidwell <nathan@acm.org>
932 * friend.c (add_friend): Keep lookup sets of tempate sets.
934 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
936 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
937 tidy handling of a null location_t argument; use proper location
938 information in a few additional error messages.
939 (grokdeclarator): Update calls.
941 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
942 Thomas Schwinge <thomas@codesourcery.com>
943 Cesar Philippidis <cesar@codesourcery.com>
945 * parser.c (cp_parser_omp_clause_name): Add support for finalize
946 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
947 to their non-present_or_* counterparts. Make 'self' an alias to
948 PRAGMA_OACC_CLAUSE_HOST.
949 (cp_parser_oacc_data_clause): Update GOMP mappings for
950 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
951 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
952 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
953 Remove support for present_or_* clauses.
954 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
955 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
956 (OACC_DECLARE_CLAUSE_MASK): Likewise.
957 (OACC_DATA_CLAUSE_MASK): Likewise.
958 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
959 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
960 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
961 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
962 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
963 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
965 2018-06-20 Marek Polacek <polacek@redhat.com>
968 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
969 (fold_simple_1): Likewise.
970 * error.c (dump_expr): Likewise.
972 2018-06-20 Nathan Sidwell <nathan@acm.org>
975 * cp-tree.h (lookup_keep): Drop KEEP parm.
976 (lookup_list_keep): Delete.
977 (maybe_get_fns): Declare.
978 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
979 (cp_parser_template_id): Not here ...
980 * decl.c (cp_finish_decl): ... nor here ...
981 * init.c (build_raw_new_expr): ... nor here ...
982 * pt.c (process_template_parm): ... nor here ...
983 * semantics.c (perform_koenig_lookup): Call lookup_keep.
984 (finish_call_expr): Not here.
985 * tree.c (ovl_cache): Delete.
986 (ovl_make, ovl_copy): No cache.
987 (lookup_keep): Always keep.
988 (lookup_list_keep): Delete.
989 (maybe_get_fns): New, broken out of ...
990 (get_fns): ... here. Call it.
991 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
992 (build_min_nt_call_vec): Likewise.
994 2018-06-19 Jason Merrill <jason@redhat.com>
996 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
997 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
999 PR c++/86182 - ICE with anonymous union passed to template.
1000 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
1001 used to declare a named variable.
1003 2018-06-18 Jason Merrill <jason@redhat.com>
1005 * tree.c (cp_expr_location): New.
1006 * cp-tree.h (cp_expr_loc_or_loc): New.
1007 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
1008 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
1009 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
1011 * parser.c (cp_parser_lambda_expression): Use a range for
1012 LAMBDA_EXPR_LOCATION.
1014 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
1015 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
1018 PR c++/81060 - ICE with unexpanded parameter pack.
1019 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
1020 * decl.c (grokdeclarator): Call it for qualifying_scope.
1022 PR c++/86171 - ICE with recursive alias instantiation.
1023 * pt.c (tsubst_decl): Handle recursive alias instantiation.
1025 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
1027 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
1028 in errors about redefined default arguments; tidy.
1030 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
1032 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
1033 * cp-gimplify.c (cp_fold): Likewise.
1035 2018-06-15 Jason Merrill <jason@redhat.com>
1037 PR c++/86147 - wrong capture for template argument.
1038 * expr.c (mark_use): Look through NOP_EXPR.
1040 * name-lookup.c (do_pushtag): Don't look through complete types, but
1041 don't add to them either. Get context from current_binding_level.
1042 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
1044 * decl.c (start_enum): Do compare dependent underlying type.
1046 PR c++/82882 - ICE with lambda in template default argument.
1047 * lambda.c (record_null_lambda_scope): New.
1048 * pt.c (tsubst_lambda_expr): Use it.
1049 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
1050 function that isn't open.
1052 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1054 2018-06-14 Marek Polacek <polacek@redhat.com>
1057 * decl2.c (cp_check_const_attributes): Skip trees that are not
1060 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1062 P0624R2 - Default constructible and assignable stateless lambdas
1063 * method.c (synthesized_method_walk): For C++2a don't mark
1064 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1067 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1069 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1070 OPT_Wshadow warning_at.
1071 (grokfndecl): Consistently use the location_t argument in
1072 literal operator diagnostic messages.
1073 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1075 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1078 2018-06-13 Jason Merrill <jason@redhat.com>
1080 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1081 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1084 PR c++/86094 - wrong code with defaulted move ctor.
1085 * class.c (classtype_has_non_deleted_move_ctor): New.
1086 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1087 Handle v12 breakage.
1089 2018-06-12 Jason Merrill <jason@redhat.com>
1091 PR c++/86098 - ICE with template placeholder for TTP.
1092 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1093 CLASS_PLACEHOLDER_TEMPLATE.
1095 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1097 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1098 parameter and adjust error_at calls.
1099 * decl.c (grok_op_properties): Adjust calls.
1100 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1102 2018-06-12 Marek Polacek <polacek@redhat.com>
1104 Core issue 1331 - const mismatch with defaulted copy constructor
1105 * class.c (check_bases_and_members): When checking a defaulted
1106 function, mark it as deleted rather than giving an error.
1108 2018-06-11 Jason Merrill <jason@redhat.com>
1110 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1111 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1114 PR c++/85963 - -Wunused-but-set with ?: in template.
1115 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1117 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1119 * decl.c (grok_op_properties): Consistently use the location
1120 of the decl; remove special casing of POSTINCREMENT_EXPR and
1121 POSTDECREMENT_EXPR wrt default arguments.
1123 2018-06-05 Jason Merrill <jason@redhat.com>
1125 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1126 of pointers to members of the same union.
1128 2018-06-11 Jason Merrill <jason@redhat.com>
1130 PR c++/86094 - wrong code with defaulted move ctor.
1131 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1133 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1135 * decl.c (grokfndecl): Use the location_t argument in two more places.
1137 2018-06-06 Marek Polacek <polacek@redhat.com>
1140 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1141 deduction from the list elements.
1142 (type_unification_real): Check convertibility of list elements.
1144 2018-06-06 Jason Merrill <jason@redhat.com>
1146 PR c++/86060 - ICE on range for with -std=c++98.
1147 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1150 PR c++/85710 - ICE with -Wmemset-elt-size.
1151 * semantics.c (finish_call_expr): Call warn_for_memset here.
1152 * parser.c (cp_parser_postfix_expression): Not here.
1153 (literal_integer_zerop): No longer static.
1154 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1156 2018-06-05 Marek Polacek <polacek@redhat.com>
1159 * tree.c (cp_tree_equal): Handle USING_DECL.
1161 2018-06-05 Jason Merrill <jason@redhat.com>
1163 PR c++/85731 - wrong error with qualified-id in template.
1164 * semantics.c (finish_qualified_id_expr): build_qualified_name
1165 for unbound names in the current class.
1167 2018-06-04 Jason Merrill <jason@redhat.com>
1169 PR c++/61806 - missed SFINAE with partial specialization.
1170 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1171 parameter to constructor.
1172 * pt.c (instantiate_class_template_1): Enable access checking
1173 before call to most_specialized_partial_spec.
1175 PR c++/85765 - SFINAE and non-type default template arg.
1176 * pt.c (type_unification_real): Do full semantic processing if
1177 substituting a partial args list replaces all template parms.
1179 2018-06-03 Jason Merrill <jason@redhat.com>
1181 PR c++/85739 - ICE with pointer to member template parm.
1182 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1184 2018-06-02 Jason Merrill <jason@redhat.com>
1186 PR c++/85761 - ICE with ill-formed use of const outer variable.
1187 * expr.c (mark_use): Handle location wrappers.
1189 2018-06-01 Jason Merrill <jason@redhat.com>
1191 PR c++/85764 - bogus 'this' not captured error.
1192 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1193 (nonlambda_method_basetype): Handle NSDMI.
1195 CWG 1581: When are constexpr member functions defined?
1196 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1197 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1199 PR c++/58281 - explicit instantiation of constexpr
1200 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1202 * pt.c (instantiate_decl): Any defaulted function is defined.
1204 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1207 * call.c (resolve_args): Use location of expression, not current input
1210 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1212 Do not warn about zero-as-null when NULL is used.
1213 * call.c (conversion_null_warnings): Check for pointer
1214 types converted from zero constants.
1215 (convert_like_real): Add a warning sentinel at the end.
1216 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1219 2018-05-30 Jason Merrill <jason@redhat.com>
1221 PR c++/85807 - ICE with call in template NSDMI.
1222 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1223 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1225 PR c++/85873 - constant initializer_list array not in .rodata.
1226 * tree.c (build_target_expr): Set TREE_READONLY.
1227 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1229 * parser.c (cp_parser_check_condition_declarator): Handle
1230 cp_error_declarator.
1232 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1234 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1235 of using it in dead store.
1237 2018-05-29 Jason Merrill <jason@redhat.com>
1239 PR c++/67445 - returning temporary initializer_list.
1240 PR c++/67711 - assigning from temporary initializer_list.
1241 PR c++/48562 - new initializer_list.
1242 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1243 about returning local initializer_list.
1244 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1245 * call.c (build_over_call): Warn about assignment from temporary
1247 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1248 (find_list_begin, maybe_warn_list_ctor): New.
1249 (perform_member_init): Use maybe_warn_list_ctor.
1251 2018-05-29 Marek Polacek <polacek@redhat.com>
1254 * init.c (build_new): Handle deducing a class with new
1255 with more than one argument.
1257 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1260 * init.c (build_aggr_init): For structured binding initialized from
1261 array call mark_rvalue_use on the initializer.
1263 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1265 * decl2.c (start_static_storage_duration_function): Use
1266 splay_tree_delete_pointers.
1268 2018-05-25 Jason Merrill <jason@redhat.com>
1270 PR c++/85815 - reference to member of enclosing template.
1271 * search.c (lookup_base): Use currently_open_class.
1272 (lookup_member): Use it regardless of -fconcepts.
1273 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1275 CWG 616, 1213 - value category of subobject references.
1276 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1278 2018-05-24 Jason Merrill <jason@redhat.com>
1280 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1281 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1284 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1286 Pedwarn on a non-standard position of a C++ attribute.
1287 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1288 after the namespace name.
1290 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1292 * cp-tree.h (INDIRECT_TYPE_P): New.
1293 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1294 joust): Use it instead of POINTER_TYPE_P.
1295 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1296 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1297 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1298 * cxx_eval_increment_expression, potential_constant_expression_1):
1300 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1301 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1302 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1303 cp_ubsan_maybe_instrument_downcast): Likewise.
1304 * cvt.c (cp_convert_to_pointer, ocp_convert,
1305 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1306 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1307 pp_cxx_offsetof_expression_1): Likewise.
1308 * decl.c (grokparms, static_fn_type): Likewise.
1309 * decl2.c (grokbitfield): Likewise.
1310 * error.c (dump_expr): Likewise.
1311 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1312 * init.c (warn_placement_new_too_small): Likewise.
1313 * lambda.c (build_capture_proxy, add_capture): Likewise.
1314 * parser.c (cp_parser_omp_for_loop): Likewise.
1315 * pt.c (convert_nontype_argument, fn_type_unification,
1316 uses_deducible_template_parms, check_cv_quals_for_unify,
1317 dependent_type_p_r): Likewise.
1318 * search.c (check_final_overrider): Likewise.
1319 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1320 finish_omp_for): Likewise.
1321 * tree.c (cp_build_qualified_type_real): Likewise.
1322 * typeck.c (build_class_member_access_expr,
1323 finish_class_member_access_expr, build_x_indirect_ref,
1324 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1327 2018-05-24 Jason Merrill <jason@redhat.com>
1329 PR c++/85864 - literal template and default template arg.
1330 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1332 2018-05-24 Marek Polacek <polacek@redhat.com>
1335 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1336 variable for its result. Fix a condition.
1337 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1339 2018-05-23 Jason Merrill <jason@redhat.com>
1341 Fix cast to rvalue reference from prvalue.
1342 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1343 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1344 non-class type. Handle xvalue argument.
1345 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1347 * semantics.c (finish_compound_literal): Do direct-initialization,
1348 not cast, to initialize a reference.
1350 CWG 616, 1213 - value category of subobject references.
1351 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1353 * typeck2.c (build_m_component_ref): Likewise.
1354 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1355 distinction between temporary and xvalue.
1357 2018-05-23 Marek Polacek <polacek@redhat.com>
1359 Implement P0614R1, Range-based for statements with initializer.
1360 * parser.c (cp_parser_range_based_for_with_init_p): New.
1361 (cp_parser_init_statement): Use it. Parse the optional init-statement
1362 for a range-based for loop.
1363 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1365 2018-05-22 Jason Merrill <jason@redhat.com>
1367 PR c++/81420 - not extending temporary lifetime.
1368 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1369 * class.c (build_base_path): Avoid redundant move of an rvalue.
1371 PR c++/85866 - error with .* in default template arg.
1372 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1374 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1376 * parser.c (cp_parser_parameter_declaration_list): Remove
1378 (cp_parser_parameter_declaration_clause): Adjust.
1379 (cp_parser_cache_defarg): Likewise.
1381 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1384 * parser.c (cp_parser_maybe_commit_to_declaration,
1385 cp_parser_check_condition_declarator): New.
1386 (cp_parser_simple_declaration): Use the first above.
1387 (cp_parser_condition): Use both the above; enforce
1388 [stmt.stmt]/2 about the declarator not specifying
1389 a function or an array; improve error-recovery.
1391 2018-05-20 Jason Merrill <jason@redhat.com>
1393 PR libstdc++/85843 - warning in logic_error copy constructor.
1394 * class.c (type_has_user_nondefault_constructor): Check for a
1395 user-provided ctor, not user-declared.
1397 2018-05-19 Jason Merrill <jason@redhat.com>
1399 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1400 on __integer_pack as subexpression of pattern.
1402 2018-05-18 Jason Merrill <jason@redhat.com>
1404 PR c++/58407 - deprecated implicit copy ops.
1405 * call.c (build_over_call): Warn about deprecated trivial fns.
1406 * class.c (classtype_has_user_copy_or_dtor): New.
1407 (type_build_ctor_call): Check TREE_DEPRECATED.
1408 (type_build_dtor_call): Likewise.
1409 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1410 Add checks. Return bool. Handle -Wdeprecated-copy.
1411 (mark_used): Use it.
1412 * decl.c (grokdeclarator): Remove redundant checks.
1413 * typeck2.c (build_functional_cast): Likewise.
1414 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1415 * init.c (build_aggr_init): Only set TREE_USED if there are
1418 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1421 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1424 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1426 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1427 (potential_constant_expression_1): Likewise.
1429 2018-05-16 Marek Polacek <polacek@redhat.com>
1432 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1433 * tree.c (bot_manip): Call set_flags_from_callee for
1434 AGGR_INIT_EXPRs too.
1436 2018-05-15 Jason Merrill <jason@redhat.com>
1438 * cp-tree.h (cp_expr): Remove copy constructor.
1439 * mangle.c (struct releasing_vec): Declare copy constructor.
1441 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1443 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1444 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1445 is a throw-expression.
1447 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1449 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1450 (FOR_EACH_CLONE): Update.
1451 * decl.c (grokdeclarator): Use it.
1452 * decl2.c (vague_linkage_p): Likewise.
1453 * mangle.c (mangle_decl): Likewise.
1454 * method.c (lazily_declare_fn): Likewise.
1455 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1456 * repo.c (repo_emit_p): Likewise.
1457 * tree.c (decl_linkage): Likewise.
1459 2018-05-14 Jason Merrill <jason@redhat.com>
1461 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1462 * tree.c (build_cp_fntype_variant): New.
1463 (build_ref_qualified_type, build_exception_variant)
1464 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1465 (cxx_type_hash_eq, cp_check_qualified_type): Check
1466 TYPE_HAS_LATE_RETURN_TYPE.
1467 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1468 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1469 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1470 (adjust_clone_args): Likewise.
1471 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1472 build_cp_fntype_variant.
1473 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1474 (check_function_type): Use cxx_copy_lang_qualifiers.
1475 (static_fn_type): Use cxx_copy_lang_qualifiers.
1476 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1477 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1478 (change_return_type): Use cxx_copy_lang_qualifiers.
1479 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1480 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1481 return type on the declarator like a normal trailing return type.
1482 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1483 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1484 * typeck.c (merge_types): Use build_cp_fntype_variant.
1486 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1488 * cp-tree.h (TYPE_REF_P): New.
1489 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1490 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1491 direct_reference_binding, reference_binding, implicit_conversion,
1492 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1493 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1494 build_over_call, perform_implicit_conversion_flags,
1495 extend_ref_init_temps, type_has_extended_temps): Use it.
1496 * class.c (one_inheriting_sig, check_field_decls,
1497 check_bases_and_members, find_flexarrays, finish_struct,
1498 fixed_type_or_null): Likewise.
1499 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1500 non_const_var_error, cxx_eval_constant_expression,
1501 potential_constant_expression_1): Likewise.
1502 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1503 cp_genericize_r, cxx_omp_privatize_by_reference,
1504 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1505 cp_fold_maybe_rvalue): Likewise.
1506 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1507 * cvt.c (build_up_reference, convert_to_reference,
1508 convert_from_reference, convert_to_void, noexcept_conv_p,
1509 fnptr_conv_p): Likewise.
1510 * decl.c (poplevel, check_for_uninitialized_const_var,
1511 check_initializer, initialize_local_var, cp_finish_decl,
1512 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1513 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1514 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1515 decl_maybe_constant_var_p): Likewise.
1516 * error.c (dump_type_prefix, dump_expr): Likewise.
1517 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1518 is_admissible_throw_operand_or_catch_parameter): Likewise.
1519 * expr.c (mark_use): Likewise.
1520 * init.c (build_zero_init_1, build_value_init_noctor,
1521 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1522 build_new, build_delete): Likewise.
1523 * lambda.c (build_lambda_object): Likewise.
1524 * mangle.c (write_expression, write_template_arg): Likewise.
1525 * method.c (forward_parm, do_build_copy_constructor,
1526 do_build_copy_assign, build_stub_object, constructible_expr,
1527 walk_field_subobs): Likewise.
1528 * parser.c (cp_parser_omp_for_loop_init,
1529 cp_parser_omp_declare_reduction_exprs,
1530 cp_parser_omp_declare_reduction): Likewise.
1531 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1532 convert_template_argument, tsubst_pack_expansion,
1533 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1534 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1535 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1536 value_dependent_expression_p, build_deduction_guide): Likewise.
1537 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1538 finish_compound_literal, omp_privatize_field,
1539 handle_omp_array_sections_1, handle_omp_array_sections,
1540 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1541 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1542 finish_omp_clauses, finish_decltype_type, capture_decltype,
1543 finish_builtin_launder): Likewise.
1544 * tree.c (lvalue_kind, cp_build_reference_type, move,
1545 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1546 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1547 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1548 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1549 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1550 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1551 convert_for_initialization,
1552 maybe_warn_about_returning_address_of_local, check_return_expr,
1553 cp_type_quals, casts_away_constness, non_reference): Likewise.
1554 * typeck2.c (cxx_readonly_error, store_init_value,
1555 process_init_constructor_record, build_x_arrow, build_functional_cast,
1556 add_exception_specifier): Likewise.
1558 2018-05-14 Jason Merrill <jason@redhat.com>
1560 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1561 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1563 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1566 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1567 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1568 cxx_omp_predetermined_sharing_1. Rename old function to ...
1569 (cxx_omp_predetermined_sharing_1): ... this.
1570 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1571 instead of cxx_omp_predetermined_sharing.
1573 2018-05-10 Jason Merrill <jason@redhat.com>
1575 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1576 (check_static_variable_definition): Allow auto.
1577 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1579 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1580 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1582 Core issue 2310 - conversion to base of incomplete type.
1583 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1585 CWG 2267 - list-initialization of reference temporary
1586 * call.c (reference_binding): List-initializing a reference
1587 temporary is copy-list-initialization.
1589 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1591 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1592 instantiation in template context.
1594 * class.c (vbase_has_user_provided_move_assign): Use
1597 * lambda.c (lambda_expr_this_capture): Improve logic.
1599 * decl.c (make_typename_type): s/parameters/arguments/.
1600 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1601 * pt.c (make_pack_expansion): Correct error message.
1603 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1606 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1607 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1610 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1613 * decl2.c (adjust_var_decl_tls_model): New static function.
1614 (comdat_linkage): Call it on a variable.
1615 (maybe_make_one_only): Likewise.
1617 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1621 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1624 * parser.c (cp_parser_parameter_declaration_list): When the
1625 entire parameter-declaration-list is erroneous maybe call
1626 abort_fully_implicit_template.
1628 2018-05-08 Jason Merrill <jason@redhat.com>
1630 PR c++/85706 - class deduction under decltype
1631 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1632 *walk_subtrees whether or not we walked into the operand.
1633 (type_uses_auto): Only look at deduced contexts.
1635 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1638 * parser.c (cp_parser_parameter_declaration_list): When the
1639 entire parameter-declaration-list is erroneous maybe call
1640 abort_fully_implicit_template.
1642 2018-05-08 Marek Polacek <polacek@redhat.com>
1645 * semantics.c (finish_if_stmt_cond): See through typedefs.
1647 2018-05-07 Jason Merrill <jason@redhat.com>
1649 PR c++/85646 - lambda visibility.
1650 * decl2.c (determine_visibility): Don't mess with template arguments
1651 from the containing scope.
1652 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1655 2018-05-07 Nathan Sidwell <nathan@acm.org>
1657 Remove fno-for-scope
1658 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1659 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1660 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1661 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1662 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1664 * name-lookup.h (struct cp_binding_level): Remove
1665 dead_vars_from_for field.
1666 * cp-lang.c (cp_init_ts): Delete.
1667 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1668 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1669 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1670 (init_shadowed_var_for_decl): Delete.
1671 * decl.c (poplevel): Remove shadowed for var handling.
1672 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1673 * name-lookup.c (find_local_binding): Remove shadowed for var
1675 (check_local_shadow): Likewise.
1676 (check_for_out_of_scope_variable): Delete.
1677 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1679 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1680 * semantics.c (begin_for_scope): Always have a scope.
1681 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1682 (begin_range_for_stmt, finish_id_expression): Likewise.
1684 2018-05-07 Jason Merrill <jason@redhat.com>
1686 PR c++/85618 - ICE with initialized VLA.
1687 * tree.c (vla_type_p): New.
1688 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1689 rather than array_of_runtime_bound_p.
1691 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1693 * cvt.c (ocp_convert): Early handle the special case of a
1694 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1696 2018-05-03 Jason Merrill <jason@redhat.com>
1698 PR c++/85600 - virtual delete failure.
1699 * init.c (build_delete): Always save_expr when deleting.
1701 2018-05-03 Nathan Sidwell <nathan@acm.org>
1703 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1704 * name-lookup.c (do_pushdecl): Likewise.
1706 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1707 Jason Merrill <jason@redhat.com>
1710 * name-lookup.c (check_local_shadow): Don't handle static old
1711 declarations in the block handling locals shadowing locals.
1713 2018-05-01 Jason Merrill <jason@redhat.com>
1715 PR c++/85587 - error with scoped enum in template.
1716 * semantics.c (finish_qualified_id_expr): Don't return an
1717 unqualified IDENTIFIER_NODE.
1719 2018-04-30 Jason Merrill <jason@redhat.com>
1721 PR c++/85580 - extern "C" and local variables
1722 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1724 PR c++/84701 - unsigned typeof.
1725 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1726 of long/short/signed/unsigned.
1728 PR c++/85305 - pack in lambda init-capture.
1729 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1730 check_for_bare_parameter_packs in a subexpression.
1731 (cp_parser_lambda_introducer): Use it.
1733 PR c++/61982 - dead stores to destroyed objects.
1734 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1735 (build_over_call, build_special_member_call): Use it.
1736 * cp-tree.h: Declare it.
1737 * init.c (build_delete): Remove trivial path.
1739 * init.c (build_dtor_call): Use build_special_member_call.
1740 (build_delete): Remove redundant uses of save_addr.
1742 * decl.c (build_clobber_this): Use build_clobber.
1744 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1747 * init.c (build_zero_init_1): For zero initialization of
1748 NULLPTR_TYPE_P type use build_int_cst directly.
1750 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1753 * name-lookup.c (consider_binding_level): Skip compiler-generated
1755 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1756 nested if statements into a series of rejection tests. Reject
1757 lambda-ignored entities as suggestions.
1759 2018-04-27 Jason Merrill <jason@redhat.com>
1761 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1762 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1764 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1767 * decl.c (grokdeclarator): Clear friendp upon definition in local
1768 class definition error.
1770 2018-04-27 Jason Merrill <jason@redhat.com>
1772 PR c++/85545 - ICE with noexcept PMF conversion.
1773 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1775 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1777 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1779 2018-04-27 Nathan Sidwell <nathan@acm.org>
1781 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1783 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1784 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1785 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1786 (dump, print_other_binding_stacks): Remove declarations.
1787 * name-lookup.c (print_other_binding_stack): Make static.
1788 * pt.c (build_template_decl): Make static.
1790 2018-04-26 Jason Merrill <jason@redhat.com>
1792 PR c++/85545 - ICE with noexcept PMF conversion.
1793 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1795 2018-04-25 Nathan Sidwell <nathan@acm.org>
1799 * cp-tree.h (REINTERPRET_CAST_P): New.
1800 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1801 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1802 for non-trivial PTRMEM_CST cases.
1803 * typeck.c (build_nop_reinterpret): New.
1804 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1805 NOP_EXPRs returned by cp_convert.
1807 2018-04-23 Jason Merrill <jason@redhat.com>
1809 PR c++/69560 - wrong alignof(double) on x86.
1810 CWG 1879 - Inadequate definition of alignment requirement.
1811 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1812 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1813 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1814 (cxx_alignof_expr): Pass it.
1815 * parser.c (cp_parser_unary_expression): Pass it.
1816 * pt.c (tsubst_copy): Copy it.
1817 (tsubst_copy_and_build): Pass it.
1818 * decl.c (fold_sizeof_expr): Pass it.
1820 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1821 Jason Merrill <jason@redhat.com>
1823 PR c++/85470 - wrong error with static data member.
1824 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1825 * typeck2.c (store_init_value): Likewise.
1827 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1830 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1831 change refcount member from unsigned char to unsigned short,
1832 add refcount_infinity static data member, adjust comments.
1833 * pt.c (tinst_level::refcount_infinity): Define.
1834 (inc_refcount_use): Remove assert, don't increment if refcount
1835 is already refcount_infinity, adjust comment.
1836 (dec_refcount_use): Remove assert, don't decrement if refcount
1837 is refcount_infinity, adjust comment.
1838 (push_tinst_level_loc): Formatting fix.
1840 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1843 * pt.c (lookup_template_class_1): Check pushtag return value for
1846 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1849 * cp-tree.h (tinst_level::free): Fix whitespace.
1851 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1854 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1855 for error_mark_node.
1857 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1860 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1861 tricks from here to ...
1862 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1863 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1865 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1868 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1869 targs. Add private split_list_p, tree_list_p, and not_list_p
1870 inline const predicates; to_list private member function
1871 declaration; free public member function declaration; list_p,
1872 get_node and maybe_get_node accessors, and refcount data
1873 member. Narrow errors to unsigned short.
1874 * error.c (print_instantiation_full_context): Use new
1876 (print_instantiation_partial_context_line): Likewise. Drop
1877 const from tinst_level-typed parameter.
1878 * mangle.c (mangle_decl_string): Likewise.
1879 * pt.c (freelist): New template class.
1880 (tree_list_freelist_head): New var.
1881 (tree_list_freelist): New fn, along with specializations.
1882 (tinst_level_freelist_head): New var.
1883 (pending_template_freelist_head): Likewise.
1884 (tinst_level_freelist, pending_template_freelist): New fns.
1885 (tinst_level::to_list, tinst_level::free): Define.
1886 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1887 (set_refcount_ptr): New template fn.
1888 (add_pending_template): Adjust for refcounting, freelists and
1890 (neglectable_inst_p): Take a NULL d as a non-DECL.
1891 (limit_bad_template_recursion): Use new accessors.
1892 (push_tinst_level): New overload to create the list.
1893 (push_tinst_level_loc): Make it static, split decl into two
1894 args, adjust tests and initialization to cope with split
1895 lists, use freelist, adjust for refcounting.
1896 (push_tinst_level_loc): New wrapper with the old interface.
1897 (pop_tinst_level): Adjust for refcounting.
1898 (record_last_problematic_instantiation): Likewise.
1899 (reopen_tinst_level): Likewise. Use new accessors.
1900 (instantiate_alias_template): Adjust for split list.
1901 (fn_type_unification): Likewise.
1902 (get_partial_spec_bindings): Likewise.
1903 (instantiate_pending_templates): Use new accessors. Adjust
1904 for refcount. Release pending_template to freelist.
1905 (instantiating_current_function_p): Use new accessors.
1907 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1910 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1911 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1912 if we've seen errors.
1914 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1917 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1918 checking that the use is indeed before the definition.
1919 (macro_use_before_def::macro_use_before_def): Make private.
1920 (macro_use_before_def::~macro_use_before_def): Make private. Move
1921 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1922 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1923 than using new directly.
1925 2018-04-12 Jason Merrill <jason@redhat.com>
1927 PR c++/85356 - ICE with pointer to member function.
1928 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1929 flag_noexcept_type. Build the new spec within the function context.
1930 * except.c (build_noexcept_spec): Do get constant value in templates
1931 if flag_noexcept_type.
1932 * decl.c (check_redeclaration_exception_specification): Don't
1933 instantiate noexcept on a dependent declaration.
1935 2018-04-12 Marek Polacek <polacek@redhat.com>
1938 * constexpr.c (reduced_constant_expression_p): Return false for null
1941 2018-04-11 Marek Polacek <polacek@redhat.com>
1944 * constexpr.c (potential_constant_expression_1): Consider conversions
1945 from classes to literal types potentially constant.
1947 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1950 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1951 the type like TYPE_PTR_OR_PTRMEM_P.
1953 2018-04-10 Jason Merrill <jason@redhat.com>
1955 PR debug/65821 - wrong location for main().
1956 * call.c (clear_location_r, convert_default_arg): Revert.
1957 * tree.c (break_out_target_exprs): Add clear_location parm.
1958 (struct bot_data): New.
1959 (bot_manip): Clear location if requested.
1960 * init.c (get_nsdmi): Pass clear_location.
1962 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1965 * call.c (get_fndecl_argument_location): Make non-static.
1966 * cp-tree.h (get_fndecl_argument_location): New decl.
1967 * typeck.c (convert_for_assignment): When complaining due to
1968 conversions for an argument, show the location of the parameter
1971 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1973 PR c++/85312 - P0962 cleanup
1974 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1977 2018-04-10 Jason Merrill <jason@redhat.com>
1979 PR debug/65821 - wrong location for main().
1980 * call.c (clear_location_r): New.
1981 (convert_default_arg): Use it.
1982 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1984 PR c++/85285 - ICE with flexible array after substitution.
1985 * pt.c (instantiate_class_template_1): Check for flexible array in
1988 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1991 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1992 issue a pedwarn and defer trying to do bindings.
1994 2018-04-09 Jason Merrill <jason@redhat.com>
1996 PR c++/85279 - dump_expr doesn't understand decltype.
1997 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1999 PR c++/85262 - ICE with redundant qualification on constructor.
2000 * call.c (build_new_method_call_1): Move make_args_non_dependent
2001 after A::A() handling.
2003 PR c++/85277 - ICE with invalid offsetof.
2004 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
2005 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
2007 PR c++/85264 - ICE with excess template-parameter-list.
2008 * parser.c (cp_parser_check_template_parameters): Add template_id_p
2009 parameter. Don't allow an extra template header if true.
2010 (cp_parser_class_head): Pass template_id_p.
2011 (cp_parser_elaborated_type_specifier): Likewise.
2012 (cp_parser_alias_declaration): Likewise.
2013 (cp_parser_check_declarator_template_parameters): Likewise.
2015 2018-04-09 Jakub Jelinek <jakub@redhat.com>
2018 * parser.c (cp_parser_simple_declaration): For structured bindings,
2019 if *maybe_range_for_decl is NULL after parsing it, set it to
2022 2018-04-09 Jason Merrill <jason@redhat.com>
2024 PR c++/85256 - ICE capturing pointer to VLA.
2025 * lambda.c (add_capture): Distinguish between variable-size and
2026 variably-modified types.
2028 2018-04-06 Jason Merrill <jason@redhat.com>
2030 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
2031 * pt.c (extract_locals_r): Remember local typedefs.
2033 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2036 * name-lookup.c (struct std_name_hint): Move out of
2037 get_std_name_hint; add field "min_dialect".
2038 (get_std_name_hint): Add min_dialect values to all initializers.
2039 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
2040 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
2041 <shared_mutex>, <string_view>, <thread>, and <variant>.
2042 Add fstream, ifstream, and ofstream to <fstream>.
2043 Add istringstream, ostringstream, and stringstream to <sstream>.
2044 Add basic_string to <string>.
2045 Add tuple_element and tuple_size to <tuple>.
2046 Add declval to <utility>.
2047 Fix ordering of <queue> and <tuple>.
2048 Return a std_name_hint, rather than a const char *.
2049 (get_cxx_dialect_name): New function.
2050 (maybe_suggest_missing_std_header): Detect names that aren't yet
2051 available in the current dialect, and instead of suggesting a
2052 missing #include, warn about the dialect.
2054 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2057 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2058 errorcount is set if tsubst doesn't return a VAR_DECL.
2060 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2063 * name-lookup.c (using_directives_contain_std_p): New function.
2064 (has_using_namespace_std_directive_p): New function.
2065 (suggest_alternatives_for): Simplify if/else logic using early
2066 returns. If no candidates were found, and there's a
2067 "using namespace std;" directive, call
2068 maybe_suggest_missing_std_header.
2069 (maybe_suggest_missing_header): Split later part of the function
2071 (maybe_suggest_missing_std_header): New.
2073 2018-04-06 Jason Merrill <jason@redhat.com>
2075 PR c++/85242 - ICE with class definition in template parm.
2076 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2077 processing_template_parmlist.
2079 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2080 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2082 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2085 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2086 is not prev, if prev == decl.
2089 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2090 maybe_apply_pragma_weak here...
2091 (cp_maybe_mangle_decomp): ... but call it here instead.
2093 2018-04-05 Jason Merrill <jason@redhat.com>
2095 PR c++/85136 - ICE with designated init in template.
2096 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2097 designated initializer.
2098 (check_array_designated_initializer): Update ce->index with the
2101 PR c++/83808 - ICE with VLA initialization.
2102 * typeck2.c (process_init_constructor_array): Don't require a VLA
2103 initializer to have VLA type.
2105 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2108 * call.c (convert_like_real): Fail gracefully for a broken
2109 std::initializer_list, missing a definition.
2111 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2113 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2116 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2117 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2119 2018-04-05 Jason Merrill <jason@redhat.com>
2121 PR c++/82152 - ICE with class deduction and inherited ctor.
2122 * pt.c (do_class_deduction): Ignore inherited ctors.
2124 PR c++/84665 - ICE with array of empty class.
2125 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2127 PR c++/85228 - ICE with lambda in enumerator in template.
2128 * pt.c (bt_instantiate_type_proc): Don't assume
2129 CLASSTYPE_TEMPLATE_INFO is non-null.
2131 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2134 * decl.c (find_decomp_class_base): Check accessibility instead
2135 of declared access, adjust diagnostic.
2137 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2140 * decl.c (get_tuple_decomp_init): Check the templatedness
2143 2018-04-05 Jason Merrill <jason@redhat.com>
2145 PR c++/85200 - ICE with constexpr if in generic lambda.
2146 * pt.c (extract_locals_r): Don't record the local specs of variables
2147 declared within the pattern.
2149 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2152 * pt.c (check_auto_in_tmpl_args): New.
2153 (tsubst_qualified_id): Use it to reject template args
2154 referencing auto for non-type templates.
2155 * parser.c (cp_parser_template_id): Likewise.
2156 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2157 * typeck2.c (build_functional_cast): Report correct location
2158 for invalid use of auto.
2160 2018-04-04 Jason Merrill <jason@redhat.com>
2162 PR c++/85215 - ICE with copy-init from conversion.
2163 * call.c (merge_conversion_sequences): Fix type of direct binding
2166 PR c++/84938 - ICE with division by ~-1.
2167 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2169 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2170 * parser.c (cp_parser_mem_initializer_list): Call
2171 check_for_bare_parameter_packs.
2173 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2176 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2177 builtin_valid_in_constant_expr_p functions, don't call
2178 cxx_eval_constant_expression if argument is not
2179 potential_constant_expression.
2182 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2184 * semantics.c (calculate_bases): Add complain argument. Use
2185 complete_type_or_maybe_complain instead of just complete_type and
2186 return an empty vector if it fails. Move make_tree_vector () call
2187 after early return. Formatting fixes.
2188 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2190 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2191 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2192 calculate_direct_bases callers, formatting fixes.
2194 2018-04-04 Jason Merrill <jason@redhat.com>
2196 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2197 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2199 PR c++/85200 - ICE with constexpr if in generic lambda.
2200 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2202 PR c++/84221 - bogus -Wunused with attribute and template.
2203 * decl2.c (is_late_template_attribute): Handle unused and used
2204 normally on non-TYPE_DECL.
2206 PR c++/85135 - ICE with omitted template arguments.
2207 * decl.c (grokdeclarator): Catch deduced class type in trailing
2210 PR c++/85133 - ICE with missing concept initializer.
2211 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2214 PR c++/85118 - wrong error with generic lambda and std::bind.
2215 * call.c (add_template_conv_candidate): Disable if there are any
2218 PR c++/85141 - ICE with compound assignment and static member fn.
2219 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2220 compound assignment.
2222 PR c++/85148 - ICE with 'this' in array NSDMI.
2223 * tree.c (replace_placeholders_r): Use handled_component_p.
2225 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2228 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2229 * parser.c (cp_parser_unqualified_id): ..not here.
2231 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2234 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2236 * decl2.c (mark_used): Return without effects if tf_conv.
2238 2018-04-03 Jason Merrill <jason@redhat.com>
2240 PR c++/85092 - C++17 ICE with unused list constructor.
2241 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2244 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2245 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2246 __builtin_constant_p if ctx->quiet.
2248 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2251 * pt.c (rewrite_template_parm): If the first argument is
2252 error_mark_node return it immediately.
2253 (build_deduction_guide): Check the return value of the
2254 latter for error_mark_node.
2255 (do_class_deduction): Check the return value of the latter.
2257 2018-04-03 Jason Merrill <jason@redhat.com>
2259 * semantics.c (finish_if_stmt_cond): Use
2260 instantiation_dependent_expression_p.
2262 PR c++/85149 - generic lambda and constexpr if.
2263 * pt.c (build_extra_args, add_extra_args): Split from
2264 tsubst_pack_expansion.
2265 (tsubst_expr) [IF_STMT]: Use them.
2266 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2268 * typeck.c (merge_types): Limit matching attribute shortcut to
2271 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2274 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2277 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2281 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2282 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2283 instead for static data members clear init and set DECL_EXTERNAL.
2285 2018-04-02 Jason Merrill <jason@redhat.com>
2287 PR c++/64095 - auto... parameter pack.
2288 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2290 (cp_parser_parameter_declaration_list): Not here.
2292 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2295 * class.c (instantiate_type): Peel off SAVE_EXPR before
2298 2018-03-30 Jason Merrill <jason@redhat.com>
2300 * typeck2.c (process_init_constructor_record): Use
2301 init_list_type_node for the CONSTRUCTOR around an anonymous union
2302 designated initializer.
2304 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2307 * semantics.c (finish_omp_reduction_clause): If
2308 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2309 even if processing_template_decl.
2311 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2314 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2315 <tuple>, and <utility>.
2317 2018-03-29 Jason Merrill <jason@redhat.com>
2319 PR c++/85093 - too many template args with pack expansion.
2320 * pt.c (coerce_template_parms): Keep pack expansion args that will
2323 2018-03-29 Jason Merrill <jason@redhat.com>
2325 * pt.c (build_non_dependent_expr): Propagate expr location.
2327 2018-03-27 Jason Merrill <jason@redhat.com>
2329 PR c++/85060 - wrong-code with call to base member in template.
2330 * search.c (any_dependent_bases_p): Check uses_template_parms
2331 rather than processing_template_decl.
2333 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2336 * typeck.c (convert_for_assignment): When complaining due to
2337 conversions for an argument, attempt to use the location of the
2340 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2343 * pt.c (tsubst_default_argument): Early return if the type of the
2344 parameter is erroneous.
2346 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2349 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2353 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2355 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2358 * method.c (defaulted_late_check): Partially revert r253321 changes,
2359 do not early return upon error.
2361 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2364 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2365 type call fold to generate VECTOR_CSTs when possible.
2368 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2369 return it right away.
2371 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2373 * search.c (check_final_overrider): Use inform instead of error
2374 for the diagnostics of the overridden functions. Tweak wording.
2376 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2379 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2380 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2382 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2383 Jason Merrill <jason@redhat.com>
2386 * init.c (build_aggr_init): When initializing from array,
2387 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2388 (build_vec_init): Handle separately ARRAY_TYPEs.
2390 2018-03-26 Jason Merrill <jason@redhat.com>
2392 PR c++/85062 - ICE with alignas in wrong place.
2393 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2396 PR c++/85049 - ICE with __integer_pack.
2397 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2398 * cp-tree.h (TEMPLATE_PARM_P): New.
2400 2018-03-23 Jason Merrill <jason@redhat.com>
2402 PR c++/78489 - wrong SFINAE behavior.
2405 * pt.c (type_unification_real): Don't defer substitution failure.
2407 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2410 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2414 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2415 cp_build_unary_op call with gcc_unreachable ().
2417 2018-03-23 Marek Polacek <polacek@redhat.com>
2420 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2421 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2422 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2424 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2427 * parser.c (cp_parser_perform_range_for_lookup): Change
2428 the condition for deciding whether to use members.
2430 2018-03-23 Marek Polacek <polacek@redhat.com>
2433 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2435 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2438 * parser.c (cp_parser_alias_declaration): Call
2439 parser_check_template_parameters.
2442 * pt.c (resolve_typename_type): Drop assert that stopped
2443 simplification to template-independent types. Add assert to
2444 verify the initial scope is template dependent.
2445 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2446 Reparse the id expression as a type-name, not a declarator.
2449 * init.c (build_vec_init): Error at parenthesized array init.
2454 * cp-tree.h (temp_override): New template class, generalizing
2455 a cleanup that was only used...
2456 * parser.c (cp_parser_parameter_declaration_clause):
2457 ... here for auto_is_implicit_function_template_parm_p.
2458 (cp_parser_gnu_attributes_opt): Use it here as well.
2459 (cp_parser_std_attribute): Likewise.
2461 2018-03-22 Marek Polacek <polacek@redhat.com>
2464 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2467 2018-03-21 Jason Merrill <jason@redhat.com>
2469 PR c++/81311 - wrong C++17 overload resolution.
2470 * call.c (build_user_type_conversion_1): Remove C++17 code.
2471 (conv_binds_ref_to_prvalue): New.
2472 (build_over_call): Handle C++17 copy elision.
2473 (build_special_member_call): Only do C++17 copy elision here if the
2474 argument is already the right type.
2476 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2479 * init.c (build_vec_init): Silence error, former sorry,
2484 * parser.c (abort_fully_implicit_template_p): New.
2485 (cp_parser_skip_to_end_of_statement): Use it.
2486 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2487 (finish_fully_implicit_template_p): Clear
2488 implicit_template_parms and implicit_template_scope.
2490 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2493 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2494 error_mark_node when check_array_designated_initializer fails.
2496 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2499 * cp-tree.h (genericize_compound_lvalue): Declare.
2500 * typeck.c (genericize_compound_lvalue): New function.
2501 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2502 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2503 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2504 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2505 COMPOUND_EXPR operand.
2507 2018-03-21 Nathan Sidwell <nathan@acm.org>
2510 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2511 * decl2.c (vague_linkage_p): Likewise.
2513 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2516 * constexpr.c (constexpr_fn_retval): Make non-"static".
2517 * cp-tree.h (constexpr_fn_retval): New decl.
2518 * search.c (direct_accessor_p): Update leading comment.
2519 (reference_accessor_p): Likewise.
2520 (field_accessor_p): Replace check that function body is a
2521 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2522 indentation of "field_type" decl.
2524 2018-03-21 Nathan Sidwell <nathan@acm.org>
2527 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2530 2018-03-21 Martin Sebor <msebor@redhat.com>
2533 * call.c (first_non_public_field): New template and function.
2534 (first_non_trivial_field): New function.
2535 (maybe_warn_class_memaccess): Call them.
2537 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2540 * search.c (field_accessor_p): Use class_of_this_parm rather than
2541 type_of_this_parm, to check that "this" is a "const T *", rather
2544 2018-03-21 Nathan Sidwell <nathan@acm.org>
2546 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2547 other than public non-static data members.
2548 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2549 parenthesized initializer.
2552 * name-lookup.c (update_binding): Correct logic for local binding
2555 2018-03-21 Marek Polacek <polacek@redhat.com>
2557 PR c++/71638, ICE with NSDMI and reference.
2558 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2559 even when we replace an element.
2561 2018-03-20 Marek Polacek <polacek@redhat.com>
2563 PR c++/84978, ICE with NRVO.
2564 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2565 a RESULT_DECL isn't in the hash map.
2567 2018-03-20 Jason Merrill <jason@redhat.com>
2569 PR c++/84978, ICE with NRVO.
2570 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2571 (cp_get_callee_fndecl_nofold): New.
2572 * cp-gimplify.c (cp_genericize_r): Use it instead.
2573 * call.c (check_self_delegation): Likewise.
2575 2018-03-20 Nathan Sidwell <nathan@acm.org>
2578 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2579 member_vec, if there is one.
2582 * cp-tree.h (lookup_list_keep): Declare.
2583 * tree.c (lookup_list_keep): New, broken out of ...
2584 (build_min): ... here. Call it.
2585 * decl.c (cp_finish_decl): Call lookup_list_keep.
2587 2018-03-19 Jason Merrill <jason@redhat.com>
2589 PR c++/84937 - ICE with class deduction and auto.
2590 * pt.c (rewrite_template_parm): Fix auto handling.
2592 2018-03-19 Marek Polacek <polacek@redhat.com>
2595 * pt.c (enclosing_instantiation_of): Check if fn is null.
2598 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2599 as we evaluate the elements.
2600 (cxx_eval_constant_expression): Verify constructor's flags
2603 2018-03-19 Jason Merrill <jason@redhat.com>
2605 PR c++/71834 - template-id with too few arguments.
2606 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2608 2018-03-19 Nathan Sidwell <nathan@acm.org>
2611 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2612 * pt.c (build_template_decl): Propagate language linkage.
2615 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2618 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2621 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2623 * method.c (synthesize_method): Likewise.
2624 * pt.c (convert_nontype_argument): Likewise.
2626 2018-03-16 Jason Merrill <jason@redhat.com>
2628 PR c++/84720 - ICE with rvalue ref non-type argument.
2629 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2630 (convert_nontype_argument): Revert earlier change.
2632 PR c++/80227 - SFINAE and negative array size.
2633 * decl.c (compute_array_index_type): Use
2634 build_converted_constant_expr and valid_constant_size_p.
2636 PR c++/84906 - silent wrong code with ambiguous conversion.
2637 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2638 ambiguous conversion.
2639 (convert_like_real): Check it.
2641 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2642 * call.c (build_special_member_call): Don't convert an init-list
2643 argument directly to the class type.
2645 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2649 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2650 (find_placeholder): Declare.
2651 * tree.c (struct replace_placeholders_t): Add exp member.
2652 (replace_placeholders_r): Don't walk into ctors with
2653 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2654 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2655 (replace_placeholders): Initialize data.exp.
2656 (find_placeholders_r, find_placeholders): New functions.
2657 * typeck2.c (process_init_constructor_record,
2658 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2659 if adding NSDMI on which find_placeholder returns true.
2660 * call.c (build_over_call): Don't call replace_placeholders here.
2661 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2662 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2663 TARGET_EXPR_INITIAL.
2664 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2667 2018-03-16 Jason Merrill <jason@redhat.com>
2669 PR c++/83911 - ICE with multiversioned constructor.
2670 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2672 * call.c (build_over_call): Not here.
2674 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2677 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2678 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2680 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2683 * cp-tree.h (cp_warn_deprecated_use): Declare.
2684 * tree.c (cp_warn_deprecated_use): New function.
2685 * typeck2.c (build_functional_cast): Use it.
2686 * decl.c (grokparms): Likewise.
2687 (grokdeclarator): Likewise. Temporarily push nested class scope
2688 around grokparms call for out of class member definitions.
2690 2018-03-14 Jason Merrill <jason@redhat.com>
2692 PR c++/84820 - no error for invalid qualified-id.
2693 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2694 cp_error_declarator.
2696 PR c++/84801 - ICE with unexpanded pack in lambda.
2697 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2698 lambda in non-template context.
2700 PR c++/81236 - auto variable and auto function
2701 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2704 2018-03-14 Jason Merrill <jason@redhat.com>
2706 PR c++/83916 - ICE with template template parameters.
2707 * pt.c (convert_template_argument): Don't substitute into type of
2708 non-type parameter if we don't have enough arg levels.
2711 2018-03-14 Marek Polacek <polacek@redhat.com>
2714 * semantics.c (finish_static_assert): Check
2715 instantiation_dependent_expression_p instead of
2716 {type,value}_dependent_expression_p.
2718 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2719 Jason Merrill <jason@redhat.com>
2721 PR c++/82336 - link error with list-init default argument.
2722 * decl.c (check_default_argument): Unshare an initializer list.
2724 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2727 * decl.c (duplicate_decls): For redefinition of built-in, use error
2728 and return error_mark_node. For redeclaration, return error_mark_node
2729 rather than olddecl if !flag_permissive.
2731 2018-03-13 Jason Merrill <jason@redhat.com>
2733 PR c++/82565 - ICE with concepts and generic lambda.
2734 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2736 2018-03-13 Jason Merrill <jason@redhat.com>
2738 PR c++/84720 - ICE with rvalue ref non-type argument.
2739 * pt.c (convert_nontype_argument): Handle rvalue references.
2741 PR c++/84839 - ICE with decltype of parameter pack.
2742 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2743 instantiating dummy parms.
2745 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2746 parameter even without -Wpedantic.
2748 PR c++/84798 - ICE with auto in abstract function declarator.
2749 * parser.c (cp_parser_parameter_declaration_clause): Check
2750 parser->default_arg_ok_p.
2752 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2755 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2756 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2757 sizetype. Formatting fixes.
2759 2018-03-12 Jason Merrill <jason@redhat.com>
2761 PR c++/84355 - ICE with deduction for member class template.
2762 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2763 CLASS_PLACEHOLDER_TEMPLATE.
2765 PR c++/84802 - ICE capturing uninstantiated class.
2766 * lambda.c (build_capture_proxy): Call complete_type.
2768 2018-03-09 Jason Merrill <jason@redhat.com>
2770 PR c++/84770 - ICE with typedef and parameter pack.
2771 * pt.c (verify_unstripped_args_1): Split out from
2772 verify_unstripped_args.
2774 PR c++/84785 - ICE with alias template and default targs.
2775 * pt.c (type_unification_real): Set processing_template_decl if
2778 PR c++/84752 - ICE with capture of constexpr array.
2779 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2780 identity conversion under ck_lvalue.
2782 2018-03-09 Jason Merrill <jason@redhat.com>
2783 Paolo Carlini <paolo.carlini@oracle.com>
2787 * pt.c (any_erroneous_template_args_p): New.
2788 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2789 * parser.c (cp_parser_class_specifier_1): Use it.
2791 2018-03-09 Jason Merrill <jason@redhat.com>
2793 PR c++/84726 - unnecessary capture of constant vars.
2794 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2795 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2796 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2797 * lambda.c (is_constant_capture_proxy)
2798 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2799 (prune_lambda_captures): New.
2800 (finish_lambda_function): Call prune_lambda_captures.
2802 2018-03-09 Jason Merrill <jason@redhat.com>
2803 Jakub Jelinek <jakub@redhat.com>
2806 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2807 build ADDR_EXPR with REFERENCE_TYPE.
2808 (build_over_call): For purposes of check_function_arguments, if
2809 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2810 its operand rather than the argument itself.
2812 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2815 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2816 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2817 also a note and return olddecl.
2819 2018-03-09 Nathan Sidwell <nathan@acm.org>
2822 * name-lookup.c (do_pushdecl_with_scope): Only clear
2823 current_function_decl when pushing a non-class (i.e. namespace)
2826 2018-03-08 Jason Merrill <jason@redhat.com>
2827 Jakub Jelinek <jakub@redhat.com>
2830 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2831 not calling mark_used for the benefit of -Wunused-function warning.
2833 2018-03-06 Jason Merrill <jason@redhat.com>
2835 * lambda.c (is_capture_proxy_with_ref): Remove.
2836 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2838 2018-03-06 Marek Polacek <polacek@redhat.com>
2841 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2844 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2847 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2848 only while processing template decls.
2849 * typeck.c (build_x_conditional_expr): Move wrapping of
2850 reference type around type...
2851 * call.c (build_conditional_expr_1): ... here. Rename
2852 is_lvalue to is_glvalue.
2853 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2854 INDIRECT_REF of COND_EXPR too.
2857 * init.c (build_zero_init_1): Zero-initialize references.
2860 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2861 overloads used as stmt expr values.
2863 2018-03-05 Jason Merrill <jason@redhat.com>
2865 PR c++/84708 - ICE with lambda in local class NSDMI.
2866 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2869 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2872 * constexpr.c (constexpr_call_hasher::equal): Return false if
2873 lhs->hash != rhs->hash. Change return 1 to return true and
2874 return 0 to return false.
2876 2018-03-05 Nathan Sidwell <nathan@acm.org>
2879 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2881 2018-03-05 Marek Polacek <polacek@redhat.com>
2884 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2887 2018-03-05 Nathan Sidwell <nathan@acm.org>
2890 * friend.c (do_friend): Restore check for identifier_p inside
2893 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2896 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2897 involving a VAR_DECL or a PARM_DECL.
2899 2018-03-05 Pádraig Brady <P@draigBrady.com>
2900 Jason Merrill <jason@redhat.com>
2901 Nathan Sidwell <nathan@acm.org>
2904 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2906 2018-03-03 Jason Merrill <jason@redhat.com>
2908 PR c++/84686 - missing volatile loads.
2909 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2911 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2914 * optimize.c (maybe_thunk_body): Bail out immediately if either
2915 fns[0] or fns[1] is null.
2917 2018-03-02 Marek Polacek <polacek@redhat.com>
2920 * constexpr.c (get_array_or_vector_nelts): New.
2921 (cxx_eval_array_reference): Use it.
2922 (cxx_eval_vec_init_1): Likewise.
2923 (cxx_eval_store_expression): Likewise.
2925 2018-03-02 Jason Merrill <jason@redhat.com>
2927 * semantics.c (force_paren_expr): Remove redundant test.
2929 2018-03-02 Marek Polacek <polacek@redhat.com>
2932 * decl.c (cp_complete_array_type): Check error_mark_node.
2935 * typeck.c (cp_perform_integral_promotions): Check the result of
2938 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2941 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2942 RETURN instead of return.
2943 <case POINTER_PLUS_EXPR>: Likewise.
2944 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2945 it instead of wrapping it into CONVERT_EXPR.
2947 2018-03-02 Jason Merrill <jason@redhat.com>
2950 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2952 2018-03-02 Marek Polacek <polacek@redhat.com>
2955 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2956 wrapped in VIEW_CONVERT_EXPR.
2958 2018-03-01 Martin Sebor <msebor@redhat.com>
2961 * decl.c (check_redeclaration_no_default_args): Merge attributes
2962 specified on redeclarations of the same function template.
2965 2018-03-01 Marek Polacek <polacek@redhat.com>
2966 Jason Merrill <jason@redhat.com>
2969 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2971 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2972 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2973 of instantiate_non_dependent_expr.
2974 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2976 2018-03-01 Nathan Sidwell <nathan@acm.org>
2979 * name-lookup.c (member_vec_dedup): Remove manually peeled
2980 iteration. Ignore dependent ctor inheritance.
2982 2018-03-01 Jason Merrill <jason@redhat.com>
2984 PR c++/71569 - decltype of template.
2985 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2987 2018-03-01 Marek Polacek <polacek@redhat.com>
2990 * constexpr.c (require_rvalue_constant_expression): New function.
2991 * cp-tree.h: Declare it.
2992 * semantics.c (finish_static_assert): Use it instead of
2993 require_potential_rvalue_constant_expression.
2995 2018-03-01 Jason Merrill <jason@redhat.com>
2996 Alexandre Oliva <aoliva@redhat.com>
2998 PR c++/71569 - ICE with redundant args on member variable template.
2999 * decl.c (start_decl): Handle partial specialization of member
3001 * pt.c (determine_specialization): Allow partial specialization
3002 of member variable template without specializing enclosing class.
3003 (process_partial_specialization): Improve error message.
3005 2018-02-28 Jason Merrill <jason@redhat.com>
3007 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
3008 * pt.c (determine_specialization): Check ref-qualifier.
3010 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3013 * parser.c (cp_parser_attributes_opt): Formatting fix.
3014 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
3015 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
3017 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
3018 instead of tentative parse to peek over optional attribute tokens
3019 to check for CPP_COLON after them.
3023 * pt.c (INCLUDE_STRING): Remove define.
3024 (warn_spec_missing_attributes): Use pretty_printer instead of
3025 std::string. Fix up inform call so that the list of attributes
3028 2018-02-28 Martin Sebor <msebor@redhat.com>
3031 * decl.c (duplicate_decls): Fully merge attributes const, pure,
3034 2018-02-28 Nathan Sidwell <nathan@acm.org>
3037 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
3038 * name-lookup.c (fields_linear_search): Look in an anon-aggr
3039 regardless of want_type.
3040 (search_anon_aggr): Just use get_class_binding_direct.
3042 2018-02-28 Jakub Jelinek <jakub@redhat.com>
3044 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
3047 2018-02-27 Martin Sebor <msebor@redhat.com>
3049 * pt.c: Avoid including <string> directly.
3051 2018-02-27 Martin Sebor <msebor@redhat.com>
3055 * cp-tree.h (warn_spec_missing_attributes): New function.
3056 ((check_explicit_specialization): Add an argument. Call the above
3058 * decl.c (duplicate_decls): Avoid applying primary function template's
3059 attributes to its explicit specializations.
3060 cp/pt.c (warn_spec_missing_attributes): Define.
3062 2018-02-27 HĂĄkon Sandsmark <hsandsmark@gmail.com>
3064 PR c++/71546 - lambda init-capture with qualified-id.
3065 * parser.c (cp_parser_lambda_introducer): Clear scope after
3066 each lambda capture.
3068 2018-02-27 Nathan Sidwell <nathan@acm.org>
3071 * name-lookup.h (get_member_slot): Rename ...
3072 (find_member_slot): ... here.
3073 (add_member_slot): New.
3074 * name-lookup.c (member_vec_linear_search): No need to check for
3076 (get_member_slot): Rename ...
3077 (find_member_slot): ... here. Don't add slot for incomplete class.
3078 (add_member_slot): New.
3079 * class.c (add_method): Adjust get_member_slot rename. Bail out
3080 if push_class_level_binding fails. Create slot and grok
3081 properties once we're committed to insertion.
3083 2018-02-27 Jason Merrill <jason@redhat.com>
3085 PR c++/84489 - dependent default template argument
3086 * pt.c (type_unification_real): Handle early substitution failure.
3088 2018-02-26 Jason Merrill <jason@redhat.com>
3090 PR c++/84560 - ICE capturing multi-dimensional VLA.
3091 * tree.c (array_of_runtime_bound_p): False if the element is
3094 PR c++/84441 - ICE with base initialized from ?:
3095 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3097 PR c++/84520 - ICE with generic lambda in NSDMI.
3098 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3099 'this' in a generic lambda instantiation.
3101 PR c++/84559 - ICE with constexpr VLA.
3102 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3103 for constexpr variable with VLA type.
3105 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3108 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3109 a valid constant initializer. Formatting fixes.
3111 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3114 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3115 returning NULL_TREE.
3116 (apply_late_template_attributes): Likewise.
3118 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3121 * parser.c (cp_parser_omp_var_list_no_open): Only call
3122 cp_parser_lookup_name_simple on names satisfying identifier_p.
3123 (cp_parser_oacc_routine): Likewise.
3125 2018-02-26 Jason Merrill <jason@redhat.com>
3127 PR c++/84551 - ICE with concepts and -g.
3128 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3130 2018-02-26 Marek Polacek <polacek@redhat.com>
3133 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3136 2018-02-26 Jason Merrill <jason@redhat.com>
3138 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3139 * call.c (build_over_call): Handle deleted functions in one place.
3141 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3144 * decl.c (redeclaration_error_message): Don't try to use
3145 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3147 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3149 * lambda.c (build_capture_proxy): Define static.
3150 * cp-tree.h (build_capture_proxy): Remove.
3152 2018-02-26 Marek Polacek <polacek@redhat.com>
3155 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3156 if name is error node.
3158 2018-02-25 Jason Merrill <jason@redhat.com>
3160 PR c++/84015 - ICE with class deduction and auto template parm.
3161 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3163 2018-02-24 Marek Polacek <polacek@redhat.com>
3166 * constexpr.c (maybe_constant_init_1): New function.
3167 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3168 (cxx_constant_init): New function.
3169 * cp-tree.h (cxx_constant_init): Declare.
3170 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3171 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3173 2018-02-22 Jason Merrill <jason@redhat.com>
3175 PR c++/70468 - ICE with constructor delegation via typedef.
3176 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3177 with constructor delegation.
3179 2018-02-22 Jason Merrill <jason@redhat.com>
3181 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3182 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3185 2018-02-22 Marek Polacek <polacek@redhat.com>
3188 * parser.c (cp_parser_braced_list): Use require_open instead of
3191 2018-02-21 Jason Merrill <jason@redhat.com>
3193 PR c++/84454 - ICE with pack expansion in signature.
3194 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3196 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3198 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3201 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3204 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3207 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3210 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3211 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3214 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3215 returns error_mark_node, return it immediately.
3216 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3217 error_mark_node, return error_mark_node.
3220 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3221 function_depth to avoid GC during finish_lambda_function.
3223 2018-02-19 Jason Merrill <jason@redhat.com>
3225 PR c++/84429 - ICE capturing VLA.
3226 * lambda.c (build_capture_proxy): Handle reference refs.
3228 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3231 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3232 either operand is error_mark_node, set current.lhs to that instead of
3233 creating a binary op with error_mark_node operands.
3236 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3238 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3241 * decl.c (grokdeclarator): Early return error_mark_node upon
3242 ill-formed friend declaration.
3244 2018-02-16 Marek Polacek <polacek@redhat.com>
3245 Jakub Jelinek <jakub@redhat.com>
3248 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3249 set *jump_target to anything if jump_target is NULL.
3251 2018-02-16 Jason Merrill <jason@redhat.com>
3253 PR c++/84151 - unnecessary volatile load with static member.
3254 * call.c (build_new_method_call_1): Avoid loading from a volatile
3255 lvalue used as the object argument for a static member function.
3257 PR c++/81853 - using-directive and constexpr.
3258 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3260 PR c++/84420 - ICE with structured binding in lambda.
3261 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3263 PR c++/83835 - C++17 error with constructor ctors.
3264 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3266 PR c++/82664 - ICE with reference to function template parm.
3267 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3270 PR c++/82764 - C++17 ICE with empty base
3271 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3273 2018-02-16 Jason Merrill <jason@redhat.com>
3275 PR c++/84421 - type-dependent if constexpr
3276 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3278 2018-02-16 Nathan Sidwell <nathan@acm.org>
3280 Deprecate -ffriend-injection.
3281 * decl.c (cxx_init_decl_processing): Emit warning on option.
3282 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3285 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3288 * decl.c (check_special_function_return_type): Reject template
3289 template parameter in deduction guide.
3291 2018-02-16 Nathan Sidwell <nathan@acm.org>
3294 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3296 2018-02-15 Jason Merrill <jason@redhat.com>
3298 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3299 * call.c (convert_like_real): Don't use the copy-list-initialization
3300 shortcut for ck_base.
3302 PR c++/84045 - ICE with typedef and noexcept.
3303 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3305 PR c++/84376 - ICE with omitted template arguments.
3306 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3308 PR c++/84368 - wrong error with local variable in variadic lambda.
3309 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3310 local_specializations.
3312 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3315 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3318 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3321 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3324 2018-02-14 Nathan Sidwell <nathan@acm.org>
3326 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3327 (c_parse_final_cleanups): Restore input_location after emitting
3330 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3332 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3333 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3334 auto_deduction_context, tree, int): Add defaults.
3335 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3336 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3337 tsubst_flags_t argument.
3338 * init.c (build_new): Likewise.
3340 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3343 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3344 about return other than *this in assignment operators if
3345 retval is type dependent expression.
3347 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3350 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3351 save_expr for the G++ extension.
3353 2018-02-13 Jason Merrill <jason@redhat.com>
3355 PR c++/84080 - ICE with return type deduction and specialization.
3356 * pt.c (determine_specialization): Check uses_template_parms.
3358 Fix more variadic capture issues.
3359 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3360 (check_for_bare_parameter_packs): Check current_class_type for
3362 (extract_locals_r): Handle seeing a full instantiation of a pack.
3363 (tsubst_pack_expansion): Likewise. Force lambda capture.
3364 * parser.c (cp_parser_lambda_introducer): Don't
3365 check_for_bare_parameter_packs.
3367 PR c++/84338 - wrong variadic sizeof.
3368 * pt.c (argument_pack_select_arg): Like the macro, but look through
3370 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3371 (extract_fnparm_pack): Do make_pack_expansion.
3372 (extract_locals_r): Do strip a pack expansion.
3373 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3375 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3378 * parser.c (cp_parser_binary_expression): Use build_min instead of
3379 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3381 2018-02-12 Nathan Sidwell <nathan@acm.org>
3384 * parser.c (cp_parser_decltype): Push and pop
3385 deferring_access_checks. Reorganize to avoid goto.
3387 2018-02-12 Richard Biener <rguenther@suse.de>
3390 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3391 uniform constructors and delay allocating them fully.
3393 2018-02-09 Jason Merrill <jason@redhat.com>
3395 PR c++/84036 - ICE with variadic capture.
3396 Handle variadic capture proxies more like non-variadic.
3397 * lambda.c (build_capture_proxy): Remove workaround.
3398 * pt.c (find_parameter_packs_r): The proxy is a pack.
3399 (instantiate_class_template_1): Remove dead lambda code.
3400 (extract_fnparm_pack): Don't make_pack_expansion.
3401 (extract_locals_r): Don't strip a pack expansion.
3402 (tsubst_pack_expansion): Handle proxy packs. Use
3403 PACK_EXPANSION_EXTRA_ARGS less.
3404 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3405 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3406 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3407 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3408 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3410 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3413 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3415 2018-02-09 Jason Merrill <jason@redhat.com>
3417 PR c++/81917 - ICE with void_t and partial specialization.
3418 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3419 calling most_specialized_partial_spec.
3421 2018-02-09 Nathan Sidwell <nathan@acm.org>
3424 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3425 Pass expr location to strict_aliasing_warning.
3427 2018-02-09 Jason Merrill <jason@redhat.com>
3429 PR c++/84296 - ICE with qualified-id in template.
3431 * pt.c (unknown_base_ref_p): New.
3432 (instantiation_dependent_scope_ref_p): Use it instead of
3433 any_dependent_bases_p.
3435 2018-02-09 Marek Polacek <polacek@redhat.com>
3436 Jakub Jelinek <jakub@redhat.com>
3439 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3440 fold_indirect_ref_1, including poly_*int64. Verify first that
3441 tree_fits_poly_int64_p (op01). Formatting fixes.
3443 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3445 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3446 * lambda.c (build_capture_proxy): Likewise.
3447 * search.c (field_access_p): Likewise.
3448 * semantics.c (omp_clause_decl, omp_privatize_field,
3449 finish_omp_clauses): Likewise.
3451 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3454 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3455 case of nullptr too.
3457 2018-02-08 Nathan Sidwell <nathan@acm.org>
3459 * class.c (finish_struct): Fix std:initializer_list diagnostic
3462 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3465 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3467 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3470 * parser.c (cp_parser_dot_deref_incomplete): New function.
3471 (cp_parser_postfix_dot_deref_expression): Use it.
3473 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3477 * name-lookup.c (suggest_rid_p): New function.
3478 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3481 2018-02-07 Jason Merrill <jason@redhat.com>
3483 PR c++/84182 - ICE with captured lambda
3485 * pt.c (extract_locals_r, extract_local_specs): New.
3486 (tsubst_pack_expansion): Use them.
3488 2018-02-07 Martin Liska <mliska@suse.cz>
3491 * class.c (add_method): Append argument value.
3492 * cp-tree.h (maybe_version_functions): Add new argument.
3493 * decl.c (decls_match): Call it if a declaration does not
3494 have DECL_FUNCTION_VERSIONED.
3495 (maybe_version_functions): record argument is added.
3497 2018-02-05 Marek Polacek <polacek@redhat.com>
3499 * class.c: Remove unused global variables.
3500 (build_primary_vtable): Don't gather statistics.
3501 (print_class_statistics): Remove.
3502 * cp-tree.h (print_class_statistics): Remove.
3503 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3505 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3507 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3508 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3509 * decl.c (next_initializable_field, find_decomp_class_base,
3510 cp_finish_decomp): Likewise.
3511 * typeck2.c (process_init_constructor_record): Likewise.
3513 2018-02-02 Jason Merrill <jason@redhat.com>
3515 PR c++/84181 - ICE with lambda parm in template argument.
3516 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3518 2018-02-01 Jason Merrill <jason@redhat.com>
3520 PR c++/84160 - ICE with nested variadic capture.
3521 * lambda.c (is_capture_proxy_with_ref): New.
3522 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3524 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3525 * constexpr.c (potential_constant_expression_1): Likewise.
3526 * semantics.c (process_outer_var_ref): Likewise.
3528 2018-02-01 Marek Polacek <polacek@redhat.com>
3531 * typeck.c (build_address): Relax the assert when
3532 processing_template_decl.
3534 2018-02-01 Jason Merrill <jason@redhat.com>
3536 PR c++/84126 - ICE with variadic generic lambda
3539 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3540 PACK_EXPANSION_EXTRA_ARGS.
3542 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3545 * call.c (convert_like_real): If w're initializing from {} explicitly
3546 call abstract_virtuals_error_sfinae.
3548 2018-01-31 Jason Merrill <jason@redhat.com>
3549 Jakub Jelinek <jakub@redhat.com>
3552 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3553 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3556 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3559 * constexpr.c (diag_array_subscript): Emit different diagnostics
3560 if TYPE_DOMAIN (arraytype) is NULL.
3561 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3562 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3564 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3567 * semantics.c (finish_qualified_id_expr): When handling an
3568 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3570 2018-01-31 Marek Polacek <polacek@redhat.com>
3573 * cp-gimplify.c (cp_fold): Check if X is an error node before
3574 calling useless_type_conversion_p.
3576 2018-01-30 Jason Merrill <jason@redhat.com>
3578 PR c++/84091 - ICE with local class in lambda in template.
3579 * decl2.c (determine_visibility): Look for outer containing template
3582 PR c++/84098 - ICE with lambda in template NSDMI.
3583 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3585 2018-01-29 Jason Merrill <jason@redhat.com>
3587 PR c++/68810 - wrong location for reinterpret_cast error.
3588 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3591 2018-01-29 Marek Polacek <polacek@redhat.com>
3594 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3595 => fooarray[1] in offset_int.
3597 2018-01-29 Jason Merrill <jason@redhat.com>
3599 PR c++/83942 - wrong unused warning with static_cast.
3600 * cvt.c (ocp_convert): Call mark_rvalue_use.
3602 2018-01-26 Jason Merrill <jason@redhat.com>
3604 PR c++/83956 - wrong dtor error with anonymous union
3605 * method.c (walk_field_subobs): Variant members only affect
3607 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3609 PR c++/84036 - ICE with variadic capture.
3611 * pt.c (tsubst_pack_expansion): When optimizing a simple
3612 substitution, pull a single pack expansion out of its pack.
3614 PR c++/82514 - ICE with local class in generic lambda.
3615 * pt.c (regenerated_lambda_fn_p): Remove.
3616 (enclosing_instantiation_of): Don't use it.
3617 (tsubst_function_decl): Call enclosing_instantiation_of.
3619 * pt.c (lookup_template_class_1): Add sanity check.
3620 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3622 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3625 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3626 recursive calls that return ret.
3627 (cp_finish_decomp): Ignore unnamed bitfields.
3629 2018-01-23 Jason Merrill <jason@redhat.com>
3631 PR c++/82249 - wrong mismatched pack length error.
3632 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3633 unsubstituted function parameter pack.
3635 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3638 * decl.c (check_for_uninitialized_const_var): Not static; add
3639 bool and tsubst_flags_t parameters; adjust to be used both in
3640 constexpr context and not.
3641 * constexpr.c (potential_constant_expression_1): Use the above.
3642 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3644 2018-01-23 Jason Merrill <jason@redhat.com>
3646 PR c++/83947 - ICE with auto declarations.
3647 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3648 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3650 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3653 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3654 for pointer to member function types.
3656 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3659 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3660 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3662 2018-01-23 Nathan Sidwell <nathan@acm.org>
3665 * pt.c (tsubst_baselink): Remove optype assert.
3666 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3668 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3671 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3672 refers to incomplete type.
3674 2018-01-23 Nathan Sidwell <nathan@acm.org>
3676 Deprecate ARM-era for scope handling
3677 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3678 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3680 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3682 * semantics.c (begin_for_scope): Flag_new_for_scope is
3684 (finish_for_stmt, begin_range_for_stmt): Likewise.
3686 2018-01-22 Jason Merrill <jason@redhat.com>
3689 * decl2.c (determine_visibility): Fix template_decl handling
3690 instead of blocking it.
3692 PR c++/83720 - ICE with lambda and LTO.
3693 * decl2.c (determine_visibility): Clear template_decl for
3694 function-scope decls. Propagate anonymous linkage from containing
3697 2018-01-22 Marek Polacek <polacek@redhat.com>
3700 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3703 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3706 * decl.c (grokdeclarator): Don't diagnose extra parens
3709 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3712 * call.c (joust): Use TREE_TYPE (source) if source is
3713 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3716 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3717 for direct enum init.
3718 * decl.c (reshape_init): Likewise.
3720 2018-01-19 Marek Polacek <polacek@redhat.com>
3722 * constexpr.c (fold_simple): Simplify.
3724 2018-01-18 Jason Merrill <jason@redhat.com>
3727 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3728 * pt.c (instantiation_dependent_scope_ref_p): True if
3729 any_dependent_bases_p.
3731 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3733 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3734 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3736 2018-01-18 Jason Merrill <jason@redhat.com>
3738 PR c++/82461 - constexpr list-initialized member
3739 * constexpr.c (potential_constant_expression_1): Check
3740 TARGET_EXPR_DIRECT_INIT_P.
3742 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3745 * decl.c (xref_basetypes): Early return upon error about derived
3748 2018-01-18 Nathan Sidwell <nathan@acm.org>
3751 * cp-tree.h (mark_use): Declare.
3752 * expr.c (mark_use): Make extern.
3753 * call.c (direct_reference_binding): Set inner conv's
3754 rvaluedness_matches_p, if it is an identity.
3755 (convert_like_real): Mark lvalue or rvalue use for identity as
3756 rvaledness_matches_p demands.
3758 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3761 * parser.c (attr_chainon): New function.
3762 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3763 cp_parser_namespace_definition, cp_parser_init_declarator,
3764 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3765 cp_parser_gnu_attributes_opt): Use it.
3766 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3767 cp_parser_objc_struct_declaration): Likewise. Don't reset
3768 prefix_attributes if attributes is error_mark_node.
3770 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3773 * decl.c (grokdeclarator): Do not append the error_mark_node
3774 due to an erroneous optional attribute-specifier-seq.
3776 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3779 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3782 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3785 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3786 error_mark_node when we give an error.
3787 * decl.c (cp_finish_decl): Use the latter.
3789 2018-01-17 Nathan Sidwell <nathan@acm.org>
3792 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3794 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3797 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3798 the C++ part. If processing a template, call
3799 fold_non_dependent_expr rather than fully folding.
3801 2018-01-17 Jason Merrill <jason@redhat.com>
3803 PR c++/81067 - redundant NULL warning.
3804 * call.c (convert_like_real): Restore null_node handling.
3806 2018-01-17 Jason Merrill <jason@redhat.com>
3808 PR c++/81843 - ICE with variadic member template.
3810 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3813 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3816 * pt.c (type_dependent_expression_p): Strip any location wrapper
3817 before testing tree codes.
3818 (selftest::test_type_dependent_expression_p): New function.
3819 (selftest::cp_pt_c_tests): Call it.
3821 2018-01-17 Nathan Sidwell <nathan@acm.org>
3824 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3825 this not a final instantiation.
3827 2018-01-16 Jason Merrill <jason@redhat.com>
3829 PR c++/83714 - ICE checking return in template.
3830 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3832 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3835 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3836 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3837 instead of CALL_FROM_THUNK_P.
3840 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3841 (resort_type_member_vec, set_class_bindings,
3842 insert_late_enum_def_bindings): Use vec qsort method instead of
3843 calling qsort directly.
3845 2018-01-15 Martin Sebor <msebor@redhat.com>
3848 * class.c (find_flexarrays): Make a record of multiple flexible array
3851 2018-01-12 Jason Merrill <jason@redhat.com>
3853 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3854 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3856 2018-01-12 Nathan Sidwell <nathan@acm.org>
3858 * cp-tree.h (mark_rvalue_use): Add parm name.
3859 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3861 * call.c (convert_like_real): Fix formatting.
3863 2018-01-11 Jason Merrill <jason@redhat.com>
3865 PR c++/82728 - wrong -Wunused-but-set-variable
3868 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3869 * decl.c (case_conversion): Likewise.
3870 * semantics.c (finish_static_assert): Call
3871 perform_implicit_conversion_flags.
3873 2018-01-11 Nathan Sidwell <nathan@acm.org>
3875 * method.c (enum mangling_flags): Delete long-dead enum.
3877 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3879 * parser.c (cp_parser_std_attribute_spec): When
3880 token_pair::require_open / require_close return false simply
3881 return error_mark_node, avoid duplicate cp_parser_error about
3882 expected '(' / ')', respectively.
3884 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3887 * call.c (null_ptr_cst_p): Strip location wrappers when
3888 converting from '0' to a pointer type in C++11 onwards.
3889 (conversion_null_warnings): Replace comparison with null_node with
3890 call to null_node_p.
3891 (build_over_call): Likewise.
3892 * cp-gimplify.c (cp_fold): Remove the early bailout when
3893 processing_template_decl.
3894 * cp-lang.c (selftest::run_cp_tests): Call
3895 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3896 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3897 (selftest::run_cp_tests): Move decl to bottom of file.
3898 (null_node_p): New inline function.
3899 (selftest::cp_pt_c_tests): New decl.
3900 (selftest::cp_tree_c_tests): New decl.
3901 * cvt.c (build_expr_type_conversion): Replace comparison with
3902 null_node with call to null_node_p.
3903 * error.c (args_to_string): Likewise.
3904 * except.c (build_throw): Likewise.
3905 * mangle.c (write_expression): Skip location wrapper nodes.
3906 * parser.c (literal_integer_zerop): New function.
3907 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3908 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3909 param of cp_parser_parenthesized_expression_list. When calling
3910 warn_for_memset, replace integer_zerop calls with
3911 literal_integer_zerop, eliminating the double logical negation
3912 cast to bool. Eliminate the special-casing for CONST_DECL in
3913 favor of the fold_for_warn within warn_for_memset.
3914 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3915 param, defaulting to false. Convert "expr" to a cp_expr, and call
3916 maybe_add_location_wrapper on it when wrap_locations_p is true.
3917 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3918 the result for RID_ALIGNOF and RID_SIZEOF.
3919 (cp_parser_builtin_offsetof): Likewise.
3920 * pt.c: Include "selftest.h".
3921 (tsubst_copy): Handle location wrappers.
3922 (tsubst_copy_and_build): Likewise.
3923 (build_non_dependent_expr): Likewise.
3924 (selftest::test_build_non_dependent_expr): New function.
3925 (selftest::cp_pt_c_tests): New function.
3926 * tree.c: Include "selftest.h".
3927 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3928 (selftest::test_lvalue_kind): New function.
3929 (selftest::cp_tree_c_tests): New function.
3930 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3931 (cp_build_binary_op): Replace comparison with null_node with call
3933 (build_address): Use location of operand when building address
3936 2018-01-10 Marek Polacek <polacek@redhat.com>
3939 * call.c (build_conditional_expr_1): Check complain before warning.
3940 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3941 -Wduplicated-branches.
3943 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3946 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3947 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3948 args uses and check number of operands too. Don't strip away any
3949 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3950 Deal with src argument not having pointer type. Check
3951 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3953 (build_over_call): Call maybe_warn_class_memaccess here on the
3955 (build_cxx_call): Rather than here on converted arguments.
3957 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3960 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3961 error_mark_node as second argument.
3963 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3966 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3967 in STATEMENT_LIST. Remove unneeded assert.
3969 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3970 Alan Hayward <alan.hayward@arm.com>
3971 David Sherwood <david.sherwood@arm.com>
3973 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3975 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3976 * call.c (build_conditional_expr_1): Likewise.
3977 * decl.c (cp_finish_decomp): Likewise.
3978 * mangle.c (write_type): Likewise.
3979 * typeck.c (structural_comptypes): Likewise.
3980 (cp_build_binary_op): Likewise.
3981 * typeck2.c (process_init_constructor_array): Likewise.
3983 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3986 * typeck.c (build_static_cast_1): For static casts to reference types,
3987 call build_base_path with flag_delete_null_pointer_checks as nonnull
3988 instead of always false. When -fsanitize=null, call
3989 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3990 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3991 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3993 2018-01-03 Nathan Sidwell <nathan@acm.org>
3996 * method.c (make_alias_for): Copy DECL_CONTEXT.
3998 2018-01-03 Marek Polacek <polacek@redhat.com>
4001 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
4003 2018-01-03 Jakub Jelinek <jakub@redhat.com>
4005 PR preprocessor/83602
4006 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
4010 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
4011 error_mark_node, return error_mark_node.
4013 Update copyright years.
4015 2018-01-02 Jakub Jelinek <jakub@redhat.com>
4018 * tree.c (replace_placeholders_r): Pass NULL as last argument to
4019 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
4020 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
4021 to false and return.
4022 (replace_placeholders): Pass NULL instead of &pset as last argument
4025 2018-01-02 Nathan Sidwell <nathan@acm.org>
4027 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
4030 Copyright (C) 2018 Free Software Foundation, Inc.
4032 Copying and distribution of this file, with or without modification,
4033 are permitted in any medium without royalty provided the copyright
4034 notice and this notice are preserved.