1 2018-09-19 Marek Polacek <polacek@redhat.com>
3 PR c++/87357 - missing -Wconversion warning
4 * decl.c (grok_op_properties): Remove diagnostic parts mentioning
5 a conversion to a reference to void. Use
6 same_type_ignoring_top_level_qualifiers_p rather than comparing types
9 2018-09-18 Marek Polacek <polacek@redhat.com>
11 P1064R0 - Allowing Virtual Function Calls in Constant Expressions
12 * call.c (build_over_call): No longer check if we're outside a template
14 * class.c (build_vtbl_initializer): Build vtable's constructor with
16 * constexpr.c (cxx_eval_constant_expression): Don't ignore _vptr's
17 initializer. Handle OBJ_TYPE_REF.
18 (potential_constant_expression_1): Handle OBJ_TYPE_REF.
19 * decl.c (maybe_commonize_var): Bail out for any DECL_ARTIFICIAL.
20 (initialize_artificial_var): Mark the variable as constexpr.
21 (grokdeclarator): Change error to pedwarn. Only warn when
22 pedantic and not C++2a.
24 2018-09-18 Paolo Carlini <paolo.carlini@oracle.com>
27 * cp-tree.h (NON_ERROR): New.
28 * pt.c (auto_hash::hash): Use it.
29 (do_auto_deduction): Likewise.
31 2018-09-18 Nathan Sidwell <nathan@acm.org>
34 * name-lookup.c (check_local_shadow): Ignore auto types.
36 2018-09-17 David Malcolm <dmalcolm@redhat.com>
38 * error.c (range_label_for_type_mismatch::get_text): Update for
41 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
43 * typeck2.c (digest_init_r): Fix overlength strings.
45 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
48 * method.c (constructible_expr): We're in an unevaluated context
49 in all cases, not just for class targets.
51 2018-09-12 David Malcolm <dmalcolm@redhat.com>
54 * call.c (struct conversion_info): Add "loc" field.
55 (arg_conversion_rejection): Add "loc" param, using it to
56 initialize the new field.
57 (bad_arg_conversion_rejection): Likewise.
58 (explicit_conversion_rejection): Initialize the new field to
60 (template_conversion_rejection): Likewise.
61 (add_function_candidate): Pass on the argument location to the new
62 param of arg_conversion_rejection.
63 (add_conv_candidate): Likewise.
64 (build_builtin_candidate): Likewise.
65 (build_user_type_conversion_1): Likewise.
66 (single_z_candidate): New function.
67 (maybe_get_bad_conversion_for_unmatched_call): New function.
68 (complain_about_bad_argument): New function, based on part of
69 convert_for_assignment.
70 (build_new_method_call_1): Split out handling of the "no viable
71 candidates" case into...
72 (complain_about_no_candidates_for_method_call): ...this new
73 function, and use the new functions above to special-case the
74 handling of a single non-viable candidate due to a bad argument.
75 * cp-tree.h (complain_about_bad_argument): New decl.
76 * typeck.c (convert_for_assignment): Split out one error-handling
77 case into complain_about_bad_argument.
79 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
80 Julian Brown <julian@codesourcery.com>
83 * semantics.c (finish_omp_clauses): Treat C++ references the same in
86 2018-08-28 Martin Liska <mliska@suse.cz>
88 * constexpr.c (cxx_eval_call_expression): Add quotes
89 to -fconstexpr-depth=.
91 2018-09-10 Marek Polacek <polacek@redhat.com>
93 * class.c (build_vtbl_ref): Remove.
94 (build_vtbl_ref_1): Rename to build_vtbl_ref.
95 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
97 2018-09-08 Marek Polacek <polacek@redhat.com>
99 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
100 * call.c (struct conversion): Update commentary.
101 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
104 2018-09-08 Jason Merrill <jason@redhat.com>
106 PR c++/86678 - constexpr function with non-constant after return.
107 * constexpr.c (potential_constant_expression_1): Add jump_target.
108 (breaks): Check for BREAK_STMT.
109 (continues): Check for CONTINUE_STMT.
111 2018-09-08 Marek Polacek <polacek@redhat.com>
113 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
114 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
116 2018-09-07 Marek Polacek <polacek@redhat.com>
118 PR c++/87152 - range-based for loops with initializer broken in templates.
119 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
120 Recur into RANGE_FOR_INIT_STMT.
121 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
122 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
123 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
125 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
127 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
128 Do put the init statement in RANGE_FOR_INIT_STMT.
129 (finish_range_for_decl): Pop it for templates.
131 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
133 * decl.c (check_initializer): Call cp_complete_array_type.
135 2018-09-05 Marek Polacek <polacek@redhat.com>
137 PR c++/87109, wrong overload with ref-qualifiers.
138 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
139 out if performing the maybe-rvalue overload resolution and a conversion
140 function is getting called.
142 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
143 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
144 to std::move or std::forward.
145 (is_std_forward_p): New function.
147 2018-09-05 Pádraig Brady <p@draigbrady.com>
150 * lambda.c (prune_lambda_captures): Protect against const_vars.get
153 2018-09-04 Marek Polacek <polacek@redhat.com>
155 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
156 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
157 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
159 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
160 (check_return_expr): Likewise.
162 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
165 * constraint.cc (finish_shorthand_constraint): Early return if the
166 constraint is erroneous.
168 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
170 * decl.c (eval_check_narrowing): Remove.
171 (check_initializer): Move call to braced_list_to_string from here ...
172 * typeck2.c (store_init_value): ... to here.
173 (digest_init_r): Remove handing of signed/unsigned char strings.
175 2018-08-31 Nathan Sidwell <nathan@acm.org>
179 * name-lookup.c (name_lookup::search_namespace): Don't look at
180 inlines when searching for NULL names.
182 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
183 of return types and parms.
184 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
185 '()' always means '(void)'.
187 2018-08-29 Jakub Jelinek <jakub@redhat.com>
190 * decl.c (begin_destructor_body): If current_class_type has
191 virtual bases and the primary base is nearly empty virtual base,
192 voidify clearing of vptr and make it conditional on in-charge
195 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
198 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
199 returns error_mark_node early exit the loop.
200 (cp_parser_template_introduction): Improve error-recovery, remove
201 error call about empty introduction-list.
203 2018-08-29 David Malcolm <dmalcolm@redhat.com>
206 * call.c (print_conversion_rejection): Add "fn" param and use it
207 for "no known conversion" messages to underline the pertinent
209 (print_z_candidate): Supply "fn" to the new param above.
211 2018-08-29 Jakub Jelinek <jakub@redhat.com>
214 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
215 processing_template_decl and decl is structured binding decl, call
218 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
221 * decl.c (finish_case_label): If the type is erroneous early
222 return error_mark_node.
224 2018-08-27 David Malcolm <dmalcolm@redhat.com>
227 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
230 2018-08-27 Jakub Jelinek <jakub@redhat.com>
233 * cp-tree.h (cxx_readonly_error): Add location_t argument.
234 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
235 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
236 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
237 pass LOC to it. Formatting fixes.
238 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
239 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
240 * semantics.c (finish_asm_stmt): Pass input_location to
243 2018-08-27 David Malcolm <dmalcolm@redhat.com>
246 * decl.c (grokdeclarator): Update for conversion of show_caret_p
248 * error.c (cp_printer): Likewise.
249 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
250 maybe_add_include_fixit to suggest overriding the location, as it
252 * parser.c (cp_parser_string_literal): Update for conversion of
253 show_caret_p to a tri-state.
254 (cp_parser_elaborated_type_specifier): Likewise.
255 (set_and_check_decl_spec_loc): Likewise.
256 * pt.c (listify): Update call to maybe_add_include_fixit to not
257 override the location, as it is for an error.
258 * rtti.c (typeid_ok_p): Likewise.
260 2018-08-27 Martin Liska <mliska@suse.cz>
262 * call.c (build_call_a): Use new function
263 fndecl_built_in_p and remove check for FUNCTION_DECL if
265 (build_cxx_call): Likewise.
266 * constexpr.c (constexpr_fn_retval): Likewise.
267 (cxx_eval_builtin_function_call): Likewise.
268 (cxx_eval_call_expression): Likewise.
269 (potential_constant_expression_1): Likewise.
270 * cp-gimplify.c (cp_gimplify_expr): Likewise.
272 * decl.c (decls_match): Likewise.
273 (validate_constexpr_redeclaration): Likewise.
274 (duplicate_decls): Likewise.
275 (make_rtl_for_nonlocal_decl): Likewise.
276 * name-lookup.c (consider_binding_level): Likewise.
277 (cp_emit_debug_info_for_using): Likewise.
278 * semantics.c (finish_call_expr): Likewise.
279 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
281 2018-08-26 Marek Polacek <polacek@redhat.com>
284 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
286 PR c++/87029, Implement -Wredundant-move.
287 * typeck.c (treat_lvalue_as_rvalue_p): New function.
288 (maybe_warn_pessimizing_move): Call convert_from_reference.
289 Warn about redundant moves.
291 2018-08-24 Marek Polacek <polacek@redhat.com>
295 * decl.c (grokdeclarator): Disallow functions with trailing return
296 type with decltype(auto) as its type. Also check the function if
297 it's inner declarator doesn't exist
299 2018-08-21 Marek Polacek <polacek@redhat.com>
302 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
303 lambda has a capture-default.
305 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
307 * decl.c (check_static_variable_definition): Change to return void.
309 2018-08-21 Marek Polacek <polacek@redhat.com>
311 PR c++/86981, Implement -Wpessimizing-move.
312 * typeck.c (decl_in_std_namespace_p): New.
313 (is_std_move_p): New.
314 (maybe_warn_pessimizing_move): New.
315 (can_do_nrvo_p): New, factored out of ...
316 (check_return_expr): ... here. Warn about potentially harmful
317 std::move in a return statement.
320 * call.c (standard_conversion): Set check_narrowing.
321 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
322 than comparing with INTEGER_TYPE.
324 * cp-tree.h: Fix typo.
326 2018-08-20 David Malcolm <dmalcolm@redhat.com>
329 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
331 (print_error_for_call_failure): Likewise.
332 (build_op_call_1): Likewise.
333 (build_conditional_expr_1): Likewise.
334 (build_new_op_1): Likewise.
335 (build_op_delete_call): Likewise.
336 (convert_like_real): Likewise.
337 (build_over_call): Likewise.
338 (build_new_method_call_1): Likewise.
340 * class.c (check_tag): Likewise.
341 (finish_struct_anon_r): Likewise.
342 (one_inherited_ctor): Likewise.
343 (finalize_literal_type_property): Likewise.
344 (explain_non_literal_class): Likewise.
345 (find_flexarrays): Likewise.
346 (resolve_address_of_overloaded_function): Likewise.
347 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
348 (is_valid_constexpr_fn): Likewise.
349 (cx_check_missing_mem_inits): Likewise.
350 * cp-gimplify.c (cp_genericize_r): Likewise.
351 * cvt.c (maybe_warn_nodiscard): Likewise.
352 * decl.c (warn_extern_redeclared_static): Likewise.
353 (check_redeclaration_exception_specification): Likewise.
354 (check_no_redeclaration_friend_default_args): Likewise.
355 (duplicate_decls): Likewise.
356 (redeclaration_error_message): Likewise.
357 (warn_misplaced_attr_for_class_type): Likewise.
358 * decl2.c (finish_static_data_member_decl): Likewise.
359 (no_linkage_error): Likewise.
360 (cp_warn_deprecated_use): Likewise.
361 * error.c (qualified_name_lookup_error): Likewise.
362 * friend.c (make_friend_class): Likewise.
363 (do_friend): Likewise.
364 * init.c (perform_member_init): Likewise.
365 (build_new_1): Likewise.
366 (build_vec_delete_1): Likewise.
367 (build_delete): Likewise.
368 * lex.c (unqualified_name_lookup_error): Likewise.
369 * name-lookup.c (check_extern_c_conflict): Likewise.
370 (inform_shadowed): New function.
371 (check_local_shadow): Add auto_diagnostic_group instances,
372 replacing goto "inform_shadowed" label with call to subroutine.
373 (set_local_extern_decl_linkage): Add auto_diagnostic_group
375 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
376 (cp_parser_namespace_name): Likewise.
377 * pt.c (check_specialization_namespace): Likewise.
378 (check_template_variable): Likewise.
379 (warn_spec_missing_attributes): Likewise.
380 (check_explicit_specialization): Likewise.
381 (process_partial_specialization): Likewise.
382 (lookup_template_class_1): Likewise.
383 (finish_template_variable): Likewise.
384 (do_auto_deduction): Likewise.
385 * search.c (check_final_overrider): Likewise.
386 (look_for_overrides_r): Likewise.
387 * tree.c (maybe_warn_parm_abi): Likewise.
388 * typeck.c (cxx_sizeof_expr): Likewise.
389 (cp_build_function_call_vec): Likewise.
390 (cp_build_binary_op): Likewise.
391 (convert_for_assignment): Likewise.
392 (maybe_warn_about_returning_address_of_local): Likewise.
393 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
394 (check_narrowing): Likewise.
396 2018-08-17 David Malcolm <dmalcolm@redhat.com>
398 * typeck.c (string_conv_p): Extract location from EXP and use it
399 in preference to input_location when issuing warnings.
401 2018-08-15 David Malcolm <dmalcolm@redhat.com>
403 * call.c: Include "gcc-rich-location.h".
404 (convert_like_real): Add range label for "invalid conversion"
406 (perform_implicit_conversion_flags): Add type label to the
407 "could not convert" error.
408 * error.c: Include "gcc-rich-location.h".
409 (range_label_for_type_mismatch::get_text): New function.
410 * typeck.c (convert_for_assignment): Add type label to
411 the "cannot convert" error if a location is available.
413 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
415 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
416 emit an error instead of a permerror.
418 2018-08-13 Marek Polacek <polacek@redhat.com>
421 * call.c (struct conversion): Add check_narrowing_const_only.
422 (build_converted_constant_expr): Set check_narrowing and
423 check_narrowing_const_only. Give error if expr is error node.
424 (convert_like_real): Pass it to check_narrowing.
425 * cp-tree.h (check_narrowing): Add a default parameter.
426 * decl.c (compute_array_index_type): Use input_location instead of
428 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
429 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
430 expressions. Call maybe_constant_value instead of
431 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
432 narrowing for constants if CONST_ONLY.
434 2018-08-13 Martin Sebor <msebor@redhat.com>
436 PR tree-optimization/71625
437 * decl.c (check_initializer): Call braced_list_to_string.
438 (eval_check_narrowing): New function.
439 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
440 as initilizers for all narrow character types.
442 2018-08-13 Marek Polacek <polacek@redhat.com>
444 P0806R2 - Deprecate implicit capture of this via [=]
445 * lambda.c (add_default_capture): Formatting fixes. Warn about
446 deprecated implicit capture of this via [=].
449 * decl.c (create_array_type_for_decl): Handle null name.
451 2018-08-10 Jason Merrill <jason@redhat.com>
453 PR c++/86728 - C variadic generic lambda.
454 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
455 a pack if it's followed by a declarator-id.
457 2018-08-08 Jakub Jelinek <jakub@redhat.com>
459 P0595R1 - is_constant_evaluated
460 * cp-tree.h (enum cp_built_in_function): New.
461 (maybe_constant_init): Add pretend_const_required argument.
462 * typeck2.c (store_init_value): Pass true as new argument to
464 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
465 for BUILT_IN_UNREACHABLE.
466 (struct constexpr_ctx): Add pretend_const_required field.
467 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
468 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
469 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
470 (cxx_eval_outermost_constant_expr): Add pretend_const_required
471 argument, initialize pretend_const_required field in ctx. If the
472 result is TREE_CONSTANT and non_constant_p, retry with
473 pretend_const_required false if it was true.
474 (is_sub_constant_expr): Initialize pretend_const_required_field in
476 (cxx_constant_value): Pass true as pretend_const_required to
477 cxx_eval_outermost_constant_expr.
478 (maybe_constant_value): Pass false as pretend_const_required to
479 cxx_eval_outermost_constant_expr.
480 (fold_non_dependent_expr): Likewise.
481 (maybe_constant_init_1): Add pretend_const_required argument, pass it
482 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
483 instead of false as strict to cxx_eval_outermost_constant_expr.
484 (maybe_constant_init): Add pretend_const_required argument, pass it
485 down to maybe_constant_init_1.
486 (cxx_constant_init): Pass true as pretend_const_required to
487 maybe_constant_init_1.
488 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
489 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
490 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
491 * decl.c: Include langhooks.h.
492 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
494 * tree.c (builtin_valid_in_constant_expr_p): Return true for
495 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
496 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
499 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
500 before tsubst_init, not after it.
503 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
504 NULL pointer set *non_constant_p to true.
505 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
506 set *non_constant_p to true and return t.
508 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
511 * decl.c (check_no_redeclaration_friend_default_args): New.
512 (duplicate_decls): Use the latter; also check that a friend
513 declaration specifying default arguments is a definition.
515 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
518 * name-lookup.c (check_local_shadow): Reject captures and parameters
521 2018-08-06 Marek Polacek <polacek@redhat.com>
524 * constexpr.c (cxx_eval_statement_list): Handle continue.
526 2018-08-03 David Malcolm <dmalcolm@redhat.com>
527 Jonathan Wakely <jwakely@redhat.com>
529 * decl.c: Include "gcc-rich-location.h".
530 (add_return_star_this_fixit): New function.
531 (finish_function): When warning about missing return statements in
532 functions returning non-void, add a "return *this;" fix-it hint for
533 assignment operators.
535 2018-08-03 Jason Merrill <jason@redhat.com>
538 * class.c (build_base_path): Use currently_open_class.
540 2018-08-02 David Malcolm <dmalcolm@redhat.com>
542 * error.c (cxx_print_error_function): Duplicate "file" before
543 passing it to pp_set_prefix.
544 (cp_print_error_function): Use pp_take_prefix when saving the
547 2018-08-02 Richard Biener <rguenther@suse.de>
550 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
551 to the CLASSTYPE_AS_BASE.
553 2018-08-01 Martin Sebor <msebor@redhat.com>
555 PR tree-optimization/86650
556 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
557 TREE_BLOCK (t) from within percent_K_format to this callsite.
559 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
562 * class.c (note_name_declared_in_class): Use location_of in permerror
563 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
565 2018-07-31 Tom de Vries <tdevries@suse.de>
568 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
570 2018-07-31 Jakub Jelinek <jakub@redhat.com>
572 P1008R1 - prohibit aggregates with user-declared constructors
573 * class.c (check_bases_and_members): For C++2a set
574 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
575 type_has_user_provided_or_explicit_constructor.
577 2018-07-31 Martin Liska <mliska@suse.cz>
580 * parser.c (cp_parser_condition): Initialize non_constant_p
583 2018-07-28 David Malcolm <dmalcolm@redhat.com>
585 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
586 into alphabetical order, and add missing "%G" and "%K". Within
587 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
588 cases are in alphabetical order.
590 2018-07-25 Jakub Jelinek <jakub@redhat.com>
592 * cp-tree.h (enum cp_tree_index): Add
593 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
594 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
595 (abi_tag_identifier, aligned_identifier, begin_identifier,
596 end_identifier, get__identifier, gnu_identifier,
597 tuple_element_identifier, tuple_size_identifier, type_identifier,
598 value_identifier, fun_identifier, closure_identifier): Define.
599 * decl.c (initialize_predefined_identifiers): Initialize the above
601 (get_tuple_size): Use tuple_size_identifier instead of
602 get_identifier ("tuple_size") and value_identifier instead of
603 get_identifier ("value").
604 (get_tuple_element_type): Use tuple_element_identifier instead of
605 get_identifier ("tuple_element") and type_identifier instead of
606 get_identifier ("type").
607 (get_tuple_decomp_init): Use get__identifier instead of
608 get_identifier ("get").
609 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
610 get_identifier ("_FUN").
611 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
612 instead of get_identifier ("__closure").
613 (cp_parser_std_attribute): Use gnu_identifier instead of
614 get_identifier ("gnu").
615 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
616 instead of get_identifier ("aligned").
617 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
618 abi_tag_identifier instead of get_identifier ("abi_tag").
621 * cp-tree.h (enum cp_tree_index): Add
622 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
623 (for_range__identifier, for_begin__identifier, for_end__identifier,
624 for_range_identifier, for_begin_identifier, for_end_identifier):
626 * decl.c (initialize_predefined_identifiers): Initialize
627 for_{range,begin,end}{,_}_identifier.
628 * parser.c (build_range_temp): Use for_range__identifier instead of
629 get_identifier ("__for_range").
630 (cp_convert_range_for): Use for_begin__identifier and
631 for_end__identifier instead of get_identifier ("__for_begin") and
632 get_identifier ("__for_end").
633 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
634 local symbols to "__for_{range,begin,end}".
636 2018-07-23 Jakub Jelinek <jakub@redhat.com>
639 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
640 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
641 or warn_nonnull_compare.
643 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
645 Revert fix for c++/59480 (and testsuite followup)
647 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
650 * decl.c (check_no_redeclaration_friend_default_args): New.
651 (duplicate_decls): Use the latter; also check that a friend
652 declaration specifying default arguments is a definition.
654 2018-07-18 Jakub Jelinek <jakub@redhat.com>
657 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
658 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
660 2018-07-18 Marek Polacek <polacek@redhat.com>
662 PR c++/86190 - bogus -Wsign-conversion warning
663 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
666 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
669 * decl.c (check_no_redeclaration_friend_default_args): New.
670 (duplicate_decls): Use the latter; also check that a friend
671 declaration specifying default arguments is a definition.
673 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
675 * class.c (note_name_declared_in_class): Prefer permerror + inform
676 to a pair of permerrors; use DECL_SOURCE_LOCATION.
678 2018-07-18 Richard Biener <rguenther@suse.de>
681 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
682 start_static_storage_duration_function sets current_function_decl.
684 2018-07-17 Jason Merrill <jason@redhat.com>
686 PR c++/86480 - nested variadic lambda and constexpr if.
687 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
689 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
690 cp_unevaluated_operand.
691 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
693 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
695 * class.c (resolve_address_of_overloaded_function): Don't emit an
696 inform if the matching permerror returns false.
697 * pt.c (check_specialization_namespace): Likewise.
699 2018-07-16 Jakub Jelinek <jakub@redhat.com>
703 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
704 in TREE_USED flag from stmt to h->to.
706 2018-07-13 Nathan Sidwell <nathan@acm.org>
709 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
710 contexts that are classes.
711 * parser.c (cp_parser_template_id): Combine entering_scope decl &
714 2018-07-12 Jakub Jelinek <jakub@redhat.com>
716 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
717 type here, instead add "omp declare target implicit" attribute. Add
718 that attribute instead of "omp declare target" also when
719 processing_template_decl.
720 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
721 and before calling cp_omp_mappable_type call complete_type.
723 2018-07-10 Jakub Jelinek <jakub@redhat.com>
726 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
730 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
731 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
732 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
733 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
734 TREE_LIST for both the original class iterator and the "last" helper
737 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
739 * decl.c (grokdeclarator): Use rich_location::add_range in three
740 more places; include gcc-rich-location.h.
742 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
744 * decl.c (build_enumerator): Change overflow type to overflow_type.
745 * init.c (build_new_1): Same.
747 2018-07-05 Nathan Sidwell <nathan@acm.org>
749 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
750 NO_IMPLICIT_EXTERN_C.
751 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
753 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
756 * method.c (is_trivially_xible): Return false
757 if is_xible_helper returns a NULL_TREE.
759 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
761 * decl.c (min_location): New.
762 (smallest_type_quals_location): Use the latter.
763 (check_concept_fn): Use DECL_SOURCE_LOCATION.
764 (grokdeclarator): Use accurate locations in a number of error
765 messages involving ds_thread, ds_storage_class, ds_virtual,
766 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
768 2018-07-03 Marek Polacek <polacek@redhat.com>
771 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
773 2018-07-03 Jason Merrill <jason@redhat.com>
775 PR c++/86378 - functional cast in noexcept-specifier.
776 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
778 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
780 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
781 in error message about __thread and thread_local at the same time.
783 2018-06-29 Marek Polacek <polacek@redhat.com>
786 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
788 2018-06-28 David Malcolm <dmalcolm@redhat.com>
790 * parser.c (cp_parser_error_1): After issuing a conflict marker
791 error, consume tokens until the end of the source line.
793 2018-06-28 Jason Merrill <jason@redhat.com>
795 PR c++/86342 - -Wdeprecated-copy and system headers.
796 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
799 2018-06-27 David Malcolm <dmalcolm@redhat.com>
802 * name-lookup.c (consider_binding_level): Filter out names that
803 match anon_aggrname_p.
805 2018-06-27 Jason Merrill <jason@redhat.com>
807 * name-lookup.c (do_pushtag): If we skip a class level, also skip
810 2018-06-26 Jason Merrill <jason@redhat.com>
812 PR c++/86320 - memory-hog with std::array of pair
813 * typeck2.c (process_init_constructor_array): Only compute a
814 constant initializer once.
816 PR c++/80290 - memory-hog with std::pair.
817 * pt.c (fn_type_unification): Add convs parameter.
818 (check_non_deducible_conversion): Remember conversion.
819 (check_non_deducible_conversions): New. Do checks here.
820 (type_unification_real): Not here. Remove flags parm.
821 * call.c (add_function_candidate): Make convs a parameter.
822 Don't recalculate the conversion if it's already set.
823 (add_template_candidate_real): Allocate convs here.
824 (good_conversion, conv_flags): New.
826 2018-06-26 Jakub Jelinek <jakub@redhat.com>
829 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
830 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
832 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
834 * decl.c (bad_specifiers): Add const location_t* parameter and
835 use locations in error messages about 'inline' and 'virtual'.
836 (mark_inline_variable): Add location_t parameter and use it in
837 error_at and pedwarn messages.
838 (grokdeclarator): Use declspecs->locations[ds_constexpr],
839 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
840 declspecs->locations[ds_inline] in many error messages; adjust
841 bad_specifiers and mark_inline_variable calls.
842 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
844 2018-06-22 Jason Merrill <jason@redhat.com>
846 PR c++/86219 - ICE with erroneous initializer in template.
847 * constexpr.c (fold_non_dependent_expr): Add complain parm.
848 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
850 * call.c (build_cxx_call): Don't mess with builtins in a template.
851 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
852 produce a constant value, go back to the uninstantiated form.
854 Avoid taking the address of something just because it's in parens.
855 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
856 (cxx_fold_indirect_ref): Use it.
857 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
858 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
859 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
860 static_cast to reference type.
861 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
863 2018-06-21 Jason Merrill <jason@redhat.com>
865 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
867 * name-lookup.c (do_push_to_top_level): Don't allocate
869 (do_pop_from_top_level): Release current_lang_base.
871 Let -fmem-report see callers of cxx_make_type.
872 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
873 (make_class_type): Likewise.
874 (cxx_make_type_hook): New.
875 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
877 2018-06-20 Nathan Sidwell <nathan@acm.org>
880 * friend.c (add_friend): Keep lookup sets of tempate sets.
882 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
884 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
885 tidy handling of a null location_t argument; use proper location
886 information in a few additional error messages.
887 (grokdeclarator): Update calls.
889 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
890 Thomas Schwinge <thomas@codesourcery.com>
891 Cesar Philippidis <cesar@codesourcery.com>
893 * parser.c (cp_parser_omp_clause_name): Add support for finalize
894 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
895 to their non-present_or_* counterparts. Make 'self' an alias to
896 PRAGMA_OACC_CLAUSE_HOST.
897 (cp_parser_oacc_data_clause): Update GOMP mappings for
898 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
899 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
900 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
901 Remove support for present_or_* clauses.
902 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
903 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
904 (OACC_DECLARE_CLAUSE_MASK): Likewise.
905 (OACC_DATA_CLAUSE_MASK): Likewise.
906 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
907 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
908 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
909 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
910 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
911 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
913 2018-06-20 Marek Polacek <polacek@redhat.com>
916 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
917 (fold_simple_1): Likewise.
918 * error.c (dump_expr): Likewise.
920 2018-06-20 Nathan Sidwell <nathan@acm.org>
923 * cp-tree.h (lookup_keep): Drop KEEP parm.
924 (lookup_list_keep): Delete.
925 (maybe_get_fns): Declare.
926 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
927 (cp_parser_template_id): Not here ...
928 * decl.c (cp_finish_decl): ... nor here ...
929 * init.c (build_raw_new_expr): ... nor here ...
930 * pt.c (process_template_parm): ... nor here ...
931 * semantics.c (perform_koenig_lookup): Call lookup_keep.
932 (finish_call_expr): Not here.
933 * tree.c (ovl_cache): Delete.
934 (ovl_make, ovl_copy): No cache.
935 (lookup_keep): Always keep.
936 (lookup_list_keep): Delete.
937 (maybe_get_fns): New, broken out of ...
938 (get_fns): ... here. Call it.
939 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
940 (build_min_nt_call_vec): Likewise.
942 2018-06-19 Jason Merrill <jason@redhat.com>
944 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
945 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
947 PR c++/86182 - ICE with anonymous union passed to template.
948 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
949 used to declare a named variable.
951 2018-06-18 Jason Merrill <jason@redhat.com>
953 * tree.c (cp_expr_location): New.
954 * cp-tree.h (cp_expr_loc_or_loc): New.
955 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
956 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
957 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
959 * parser.c (cp_parser_lambda_expression): Use a range for
960 LAMBDA_EXPR_LOCATION.
962 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
963 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
966 PR c++/81060 - ICE with unexpanded parameter pack.
967 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
968 * decl.c (grokdeclarator): Call it for qualifying_scope.
970 PR c++/86171 - ICE with recursive alias instantiation.
971 * pt.c (tsubst_decl): Handle recursive alias instantiation.
973 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
975 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
976 in errors about redefined default arguments; tidy.
978 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
980 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
981 * cp-gimplify.c (cp_fold): Likewise.
983 2018-06-15 Jason Merrill <jason@redhat.com>
985 PR c++/86147 - wrong capture for template argument.
986 * expr.c (mark_use): Look through NOP_EXPR.
988 * name-lookup.c (do_pushtag): Don't look through complete types, but
989 don't add to them either. Get context from current_binding_level.
990 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
992 * decl.c (start_enum): Do compare dependent underlying type.
994 PR c++/82882 - ICE with lambda in template default argument.
995 * lambda.c (record_null_lambda_scope): New.
996 * pt.c (tsubst_lambda_expr): Use it.
997 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
998 function that isn't open.
1000 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
1002 2018-06-14 Marek Polacek <polacek@redhat.com>
1005 * decl2.c (cp_check_const_attributes): Skip trees that are not
1008 2018-06-14 Jakub Jelinek <jakub@redhat.com>
1010 P0624R2 - Default constructible and assignable stateless lambdas
1011 * method.c (synthesized_method_walk): For C++2a don't mark
1012 sfk_constructor or sfk_copy_assignment as deleted if lambda has
1015 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1017 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
1018 OPT_Wshadow warning_at.
1019 (grokfndecl): Consistently use the location_t argument in
1020 literal operator diagnostic messages.
1021 (grokdeclarator): Use declspecs->locations[ds_storage_class]
1023 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
1026 2018-06-13 Jason Merrill <jason@redhat.com>
1028 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
1029 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1032 PR c++/86094 - wrong code with defaulted move ctor.
1033 * class.c (classtype_has_non_deleted_move_ctor): New.
1034 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1035 Handle v12 breakage.
1037 2018-06-12 Jason Merrill <jason@redhat.com>
1039 PR c++/86098 - ICE with template placeholder for TTP.
1040 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1041 CLASS_PLACEHOLDER_TEMPLATE.
1043 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1045 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1046 parameter and adjust error_at calls.
1047 * decl.c (grok_op_properties): Adjust calls.
1048 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1050 2018-06-12 Marek Polacek <polacek@redhat.com>
1052 Core issue 1331 - const mismatch with defaulted copy constructor
1053 * class.c (check_bases_and_members): When checking a defaulted
1054 function, mark it as deleted rather than giving an error.
1056 2018-06-11 Jason Merrill <jason@redhat.com>
1058 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1059 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1062 PR c++/85963 - -Wunused-but-set with ?: in template.
1063 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1065 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1067 * decl.c (grok_op_properties): Consistently use the location
1068 of the decl; remove special casing of POSTINCREMENT_EXPR and
1069 POSTDECREMENT_EXPR wrt default arguments.
1071 2018-06-05 Jason Merrill <jason@redhat.com>
1073 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1074 of pointers to members of the same union.
1076 2018-06-11 Jason Merrill <jason@redhat.com>
1078 PR c++/86094 - wrong code with defaulted move ctor.
1079 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1081 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1083 * decl.c (grokfndecl): Use the location_t argument in two more places.
1085 2018-06-06 Marek Polacek <polacek@redhat.com>
1088 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1089 deduction from the list elements.
1090 (type_unification_real): Check convertibility of list elements.
1092 2018-06-06 Jason Merrill <jason@redhat.com>
1094 PR c++/86060 - ICE on range for with -std=c++98.
1095 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1098 PR c++/85710 - ICE with -Wmemset-elt-size.
1099 * semantics.c (finish_call_expr): Call warn_for_memset here.
1100 * parser.c (cp_parser_postfix_expression): Not here.
1101 (literal_integer_zerop): No longer static.
1102 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1104 2018-06-05 Marek Polacek <polacek@redhat.com>
1107 * tree.c (cp_tree_equal): Handle USING_DECL.
1109 2018-06-05 Jason Merrill <jason@redhat.com>
1111 PR c++/85731 - wrong error with qualified-id in template.
1112 * semantics.c (finish_qualified_id_expr): build_qualified_name
1113 for unbound names in the current class.
1115 2018-06-04 Jason Merrill <jason@redhat.com>
1117 PR c++/61806 - missed SFINAE with partial specialization.
1118 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1119 parameter to constructor.
1120 * pt.c (instantiate_class_template_1): Enable access checking
1121 before call to most_specialized_partial_spec.
1123 PR c++/85765 - SFINAE and non-type default template arg.
1124 * pt.c (type_unification_real): Do full semantic processing if
1125 substituting a partial args list replaces all template parms.
1127 2018-06-03 Jason Merrill <jason@redhat.com>
1129 PR c++/85739 - ICE with pointer to member template parm.
1130 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1132 2018-06-02 Jason Merrill <jason@redhat.com>
1134 PR c++/85761 - ICE with ill-formed use of const outer variable.
1135 * expr.c (mark_use): Handle location wrappers.
1137 2018-06-01 Jason Merrill <jason@redhat.com>
1139 PR c++/85764 - bogus 'this' not captured error.
1140 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1141 (nonlambda_method_basetype): Handle NSDMI.
1143 CWG 1581: When are constexpr member functions defined?
1144 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1145 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1147 PR c++/58281 - explicit instantiation of constexpr
1148 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1150 * pt.c (instantiate_decl): Any defaulted function is defined.
1152 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1155 * call.c (resolve_args): Use location of expression, not current input
1158 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1160 Do not warn about zero-as-null when NULL is used.
1161 * call.c (conversion_null_warnings): Check for pointer
1162 types converted from zero constants.
1163 (convert_like_real): Add a warning sentinel at the end.
1164 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1167 2018-05-30 Jason Merrill <jason@redhat.com>
1169 PR c++/85807 - ICE with call in template NSDMI.
1170 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1171 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1173 PR c++/85873 - constant initializer_list array not in .rodata.
1174 * tree.c (build_target_expr): Set TREE_READONLY.
1175 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1177 * parser.c (cp_parser_check_condition_declarator): Handle
1178 cp_error_declarator.
1180 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1182 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1183 of using it in dead store.
1185 2018-05-29 Jason Merrill <jason@redhat.com>
1187 PR c++/67445 - returning temporary initializer_list.
1188 PR c++/67711 - assigning from temporary initializer_list.
1189 PR c++/48562 - new initializer_list.
1190 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1191 about returning local initializer_list.
1192 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1193 * call.c (build_over_call): Warn about assignment from temporary
1195 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1196 (find_list_begin, maybe_warn_list_ctor): New.
1197 (perform_member_init): Use maybe_warn_list_ctor.
1199 2018-05-29 Marek Polacek <polacek@redhat.com>
1202 * init.c (build_new): Handle deducing a class with new
1203 with more than one argument.
1205 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1208 * init.c (build_aggr_init): For structured binding initialized from
1209 array call mark_rvalue_use on the initializer.
1211 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1213 * decl2.c (start_static_storage_duration_function): Use
1214 splay_tree_delete_pointers.
1216 2018-05-25 Jason Merrill <jason@redhat.com>
1218 PR c++/85815 - reference to member of enclosing template.
1219 * search.c (lookup_base): Use currently_open_class.
1220 (lookup_member): Use it regardless of -fconcepts.
1221 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1223 CWG 616, 1213 - value category of subobject references.
1224 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1226 2018-05-24 Jason Merrill <jason@redhat.com>
1228 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1229 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1232 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1234 Pedwarn on a non-standard position of a C++ attribute.
1235 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1236 after the namespace name.
1238 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1240 * cp-tree.h (INDIRECT_TYPE_P): New.
1241 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1242 joust): Use it instead of POINTER_TYPE_P.
1243 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1244 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1245 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1246 * cxx_eval_increment_expression, potential_constant_expression_1):
1248 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1249 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1250 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1251 cp_ubsan_maybe_instrument_downcast): Likewise.
1252 * cvt.c (cp_convert_to_pointer, ocp_convert,
1253 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1254 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1255 pp_cxx_offsetof_expression_1): Likewise.
1256 * decl.c (grokparms, static_fn_type): Likewise.
1257 * decl2.c (grokbitfield): Likewise.
1258 * error.c (dump_expr): Likewise.
1259 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1260 * init.c (warn_placement_new_too_small): Likewise.
1261 * lambda.c (build_capture_proxy, add_capture): Likewise.
1262 * parser.c (cp_parser_omp_for_loop): Likewise.
1263 * pt.c (convert_nontype_argument, fn_type_unification,
1264 uses_deducible_template_parms, check_cv_quals_for_unify,
1265 dependent_type_p_r): Likewise.
1266 * search.c (check_final_overrider): Likewise.
1267 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1268 finish_omp_for): Likewise.
1269 * tree.c (cp_build_qualified_type_real): Likewise.
1270 * typeck.c (build_class_member_access_expr,
1271 finish_class_member_access_expr, build_x_indirect_ref,
1272 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1275 2018-05-24 Jason Merrill <jason@redhat.com>
1277 PR c++/85864 - literal template and default template arg.
1278 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1280 2018-05-24 Marek Polacek <polacek@redhat.com>
1283 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1284 variable for its result. Fix a condition.
1285 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1287 2018-05-23 Jason Merrill <jason@redhat.com>
1289 Fix cast to rvalue reference from prvalue.
1290 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1291 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1292 non-class type. Handle xvalue argument.
1293 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1295 * semantics.c (finish_compound_literal): Do direct-initialization,
1296 not cast, to initialize a reference.
1298 CWG 616, 1213 - value category of subobject references.
1299 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1301 * typeck2.c (build_m_component_ref): Likewise.
1302 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1303 distinction between temporary and xvalue.
1305 2018-05-23 Marek Polacek <polacek@redhat.com>
1307 Implement P0614R1, Range-based for statements with initializer.
1308 * parser.c (cp_parser_range_based_for_with_init_p): New.
1309 (cp_parser_init_statement): Use it. Parse the optional init-statement
1310 for a range-based for loop.
1311 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1313 2018-05-22 Jason Merrill <jason@redhat.com>
1315 PR c++/81420 - not extending temporary lifetime.
1316 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1317 * class.c (build_base_path): Avoid redundant move of an rvalue.
1319 PR c++/85866 - error with .* in default template arg.
1320 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1322 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1324 * parser.c (cp_parser_parameter_declaration_list): Remove
1326 (cp_parser_parameter_declaration_clause): Adjust.
1327 (cp_parser_cache_defarg): Likewise.
1329 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1332 * parser.c (cp_parser_maybe_commit_to_declaration,
1333 cp_parser_check_condition_declarator): New.
1334 (cp_parser_simple_declaration): Use the first above.
1335 (cp_parser_condition): Use both the above; enforce
1336 [stmt.stmt]/2 about the declarator not specifying
1337 a function or an array; improve error-recovery.
1339 2018-05-20 Jason Merrill <jason@redhat.com>
1341 PR libstdc++/85843 - warning in logic_error copy constructor.
1342 * class.c (type_has_user_nondefault_constructor): Check for a
1343 user-provided ctor, not user-declared.
1345 2018-05-19 Jason Merrill <jason@redhat.com>
1347 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1348 on __integer_pack as subexpression of pattern.
1350 2018-05-18 Jason Merrill <jason@redhat.com>
1352 PR c++/58407 - deprecated implicit copy ops.
1353 * call.c (build_over_call): Warn about deprecated trivial fns.
1354 * class.c (classtype_has_user_copy_or_dtor): New.
1355 (type_build_ctor_call): Check TREE_DEPRECATED.
1356 (type_build_dtor_call): Likewise.
1357 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1358 Add checks. Return bool. Handle -Wdeprecated-copy.
1359 (mark_used): Use it.
1360 * decl.c (grokdeclarator): Remove redundant checks.
1361 * typeck2.c (build_functional_cast): Likewise.
1362 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1363 * init.c (build_aggr_init): Only set TREE_USED if there are
1366 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1369 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1372 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1374 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1375 (potential_constant_expression_1): Likewise.
1377 2018-05-16 Marek Polacek <polacek@redhat.com>
1380 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1381 * tree.c (bot_manip): Call set_flags_from_callee for
1382 AGGR_INIT_EXPRs too.
1384 2018-05-15 Jason Merrill <jason@redhat.com>
1386 * cp-tree.h (cp_expr): Remove copy constructor.
1387 * mangle.c (struct releasing_vec): Declare copy constructor.
1389 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1391 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1392 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1393 is a throw-expression.
1395 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1397 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1398 (FOR_EACH_CLONE): Update.
1399 * decl.c (grokdeclarator): Use it.
1400 * decl2.c (vague_linkage_p): Likewise.
1401 * mangle.c (mangle_decl): Likewise.
1402 * method.c (lazily_declare_fn): Likewise.
1403 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1404 * repo.c (repo_emit_p): Likewise.
1405 * tree.c (decl_linkage): Likewise.
1407 2018-05-14 Jason Merrill <jason@redhat.com>
1409 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1410 * tree.c (build_cp_fntype_variant): New.
1411 (build_ref_qualified_type, build_exception_variant)
1412 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1413 (cxx_type_hash_eq, cp_check_qualified_type): Check
1414 TYPE_HAS_LATE_RETURN_TYPE.
1415 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1416 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1417 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1418 (adjust_clone_args): Likewise.
1419 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1420 build_cp_fntype_variant.
1421 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1422 (check_function_type): Use cxx_copy_lang_qualifiers.
1423 (static_fn_type): Use cxx_copy_lang_qualifiers.
1424 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1425 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1426 (change_return_type): Use cxx_copy_lang_qualifiers.
1427 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1428 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1429 return type on the declarator like a normal trailing return type.
1430 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1431 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1432 * typeck.c (merge_types): Use build_cp_fntype_variant.
1434 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1436 * cp-tree.h (TYPE_REF_P): New.
1437 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1438 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1439 direct_reference_binding, reference_binding, implicit_conversion,
1440 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1441 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1442 build_over_call, perform_implicit_conversion_flags,
1443 extend_ref_init_temps, type_has_extended_temps): Use it.
1444 * class.c (one_inheriting_sig, check_field_decls,
1445 check_bases_and_members, find_flexarrays, finish_struct,
1446 fixed_type_or_null): Likewise.
1447 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1448 non_const_var_error, cxx_eval_constant_expression,
1449 potential_constant_expression_1): Likewise.
1450 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1451 cp_genericize_r, cxx_omp_privatize_by_reference,
1452 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1453 cp_fold_maybe_rvalue): Likewise.
1454 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1455 * cvt.c (build_up_reference, convert_to_reference,
1456 convert_from_reference, convert_to_void, noexcept_conv_p,
1457 fnptr_conv_p): Likewise.
1458 * decl.c (poplevel, check_for_uninitialized_const_var,
1459 check_initializer, initialize_local_var, cp_finish_decl,
1460 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1461 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1462 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1463 decl_maybe_constant_var_p): Likewise.
1464 * error.c (dump_type_prefix, dump_expr): Likewise.
1465 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1466 is_admissible_throw_operand_or_catch_parameter): Likewise.
1467 * expr.c (mark_use): Likewise.
1468 * init.c (build_zero_init_1, build_value_init_noctor,
1469 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1470 build_new, build_delete): Likewise.
1471 * lambda.c (build_lambda_object): Likewise.
1472 * mangle.c (write_expression, write_template_arg): Likewise.
1473 * method.c (forward_parm, do_build_copy_constructor,
1474 do_build_copy_assign, build_stub_object, constructible_expr,
1475 walk_field_subobs): Likewise.
1476 * parser.c (cp_parser_omp_for_loop_init,
1477 cp_parser_omp_declare_reduction_exprs,
1478 cp_parser_omp_declare_reduction): Likewise.
1479 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1480 convert_template_argument, tsubst_pack_expansion,
1481 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1482 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1483 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1484 value_dependent_expression_p, build_deduction_guide): Likewise.
1485 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1486 finish_compound_literal, omp_privatize_field,
1487 handle_omp_array_sections_1, handle_omp_array_sections,
1488 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1489 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1490 finish_omp_clauses, finish_decltype_type, capture_decltype,
1491 finish_builtin_launder): Likewise.
1492 * tree.c (lvalue_kind, cp_build_reference_type, move,
1493 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1494 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1495 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1496 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1497 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1498 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1499 convert_for_initialization,
1500 maybe_warn_about_returning_address_of_local, check_return_expr,
1501 cp_type_quals, casts_away_constness, non_reference): Likewise.
1502 * typeck2.c (cxx_readonly_error, store_init_value,
1503 process_init_constructor_record, build_x_arrow, build_functional_cast,
1504 add_exception_specifier): Likewise.
1506 2018-05-14 Jason Merrill <jason@redhat.com>
1508 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1509 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1511 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1514 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1515 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1516 cxx_omp_predetermined_sharing_1. Rename old function to ...
1517 (cxx_omp_predetermined_sharing_1): ... this.
1518 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1519 instead of cxx_omp_predetermined_sharing.
1521 2018-05-10 Jason Merrill <jason@redhat.com>
1523 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1524 (check_static_variable_definition): Allow auto.
1525 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1527 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1528 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1530 Core issue 2310 - conversion to base of incomplete type.
1531 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1533 CWG 2267 - list-initialization of reference temporary
1534 * call.c (reference_binding): List-initializing a reference
1535 temporary is copy-list-initialization.
1537 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1539 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1540 instantiation in template context.
1542 * class.c (vbase_has_user_provided_move_assign): Use
1545 * lambda.c (lambda_expr_this_capture): Improve logic.
1547 * decl.c (make_typename_type): s/parameters/arguments/.
1548 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1549 * pt.c (make_pack_expansion): Correct error message.
1551 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1554 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1555 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1558 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1561 * decl2.c (adjust_var_decl_tls_model): New static function.
1562 (comdat_linkage): Call it on a variable.
1563 (maybe_make_one_only): Likewise.
1565 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1569 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1572 * parser.c (cp_parser_parameter_declaration_list): When the
1573 entire parameter-declaration-list is erroneous maybe call
1574 abort_fully_implicit_template.
1576 2018-05-08 Jason Merrill <jason@redhat.com>
1578 PR c++/85706 - class deduction under decltype
1579 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1580 *walk_subtrees whether or not we walked into the operand.
1581 (type_uses_auto): Only look at deduced contexts.
1583 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1586 * parser.c (cp_parser_parameter_declaration_list): When the
1587 entire parameter-declaration-list is erroneous maybe call
1588 abort_fully_implicit_template.
1590 2018-05-08 Marek Polacek <polacek@redhat.com>
1593 * semantics.c (finish_if_stmt_cond): See through typedefs.
1595 2018-05-07 Jason Merrill <jason@redhat.com>
1597 PR c++/85646 - lambda visibility.
1598 * decl2.c (determine_visibility): Don't mess with template arguments
1599 from the containing scope.
1600 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1603 2018-05-07 Nathan Sidwell <nathan@acm.org>
1605 Remove fno-for-scope
1606 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1607 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1608 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1609 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1610 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1612 * name-lookup.h (struct cp_binding_level): Remove
1613 dead_vars_from_for field.
1614 * cp-lang.c (cp_init_ts): Delete.
1615 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1616 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1617 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1618 (init_shadowed_var_for_decl): Delete.
1619 * decl.c (poplevel): Remove shadowed for var handling.
1620 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1621 * name-lookup.c (find_local_binding): Remove shadowed for var
1623 (check_local_shadow): Likewise.
1624 (check_for_out_of_scope_variable): Delete.
1625 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1627 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1628 * semantics.c (begin_for_scope): Always have a scope.
1629 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1630 (begin_range_for_stmt, finish_id_expression): Likewise.
1632 2018-05-07 Jason Merrill <jason@redhat.com>
1634 PR c++/85618 - ICE with initialized VLA.
1635 * tree.c (vla_type_p): New.
1636 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1637 rather than array_of_runtime_bound_p.
1639 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1641 * cvt.c (ocp_convert): Early handle the special case of a
1642 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1644 2018-05-03 Jason Merrill <jason@redhat.com>
1646 PR c++/85600 - virtual delete failure.
1647 * init.c (build_delete): Always save_expr when deleting.
1649 2018-05-03 Nathan Sidwell <nathan@acm.org>
1651 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1652 * name-lookup.c (do_pushdecl): Likewise.
1654 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1655 Jason Merrill <jason@redhat.com>
1658 * name-lookup.c (check_local_shadow): Don't handle static old
1659 declarations in the block handling locals shadowing locals.
1661 2018-05-01 Jason Merrill <jason@redhat.com>
1663 PR c++/85587 - error with scoped enum in template.
1664 * semantics.c (finish_qualified_id_expr): Don't return an
1665 unqualified IDENTIFIER_NODE.
1667 2018-04-30 Jason Merrill <jason@redhat.com>
1669 PR c++/85580 - extern "C" and local variables
1670 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1672 PR c++/84701 - unsigned typeof.
1673 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1674 of long/short/signed/unsigned.
1676 PR c++/85305 - pack in lambda init-capture.
1677 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1678 check_for_bare_parameter_packs in a subexpression.
1679 (cp_parser_lambda_introducer): Use it.
1681 PR c++/61982 - dead stores to destroyed objects.
1682 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1683 (build_over_call, build_special_member_call): Use it.
1684 * cp-tree.h: Declare it.
1685 * init.c (build_delete): Remove trivial path.
1687 * init.c (build_dtor_call): Use build_special_member_call.
1688 (build_delete): Remove redundant uses of save_addr.
1690 * decl.c (build_clobber_this): Use build_clobber.
1692 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1695 * init.c (build_zero_init_1): For zero initialization of
1696 NULLPTR_TYPE_P type use build_int_cst directly.
1698 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1701 * name-lookup.c (consider_binding_level): Skip compiler-generated
1703 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1704 nested if statements into a series of rejection tests. Reject
1705 lambda-ignored entities as suggestions.
1707 2018-04-27 Jason Merrill <jason@redhat.com>
1709 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1710 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1712 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1715 * decl.c (grokdeclarator): Clear friendp upon definition in local
1716 class definition error.
1718 2018-04-27 Jason Merrill <jason@redhat.com>
1720 PR c++/85545 - ICE with noexcept PMF conversion.
1721 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1723 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1725 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1727 2018-04-27 Nathan Sidwell <nathan@acm.org>
1729 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1731 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1732 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1733 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1734 (dump, print_other_binding_stacks): Remove declarations.
1735 * name-lookup.c (print_other_binding_stack): Make static.
1736 * pt.c (build_template_decl): Make static.
1738 2018-04-26 Jason Merrill <jason@redhat.com>
1740 PR c++/85545 - ICE with noexcept PMF conversion.
1741 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1743 2018-04-25 Nathan Sidwell <nathan@acm.org>
1747 * cp-tree.h (REINTERPRET_CAST_P): New.
1748 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1749 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1750 for non-trivial PTRMEM_CST cases.
1751 * typeck.c (build_nop_reinterpret): New.
1752 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1753 NOP_EXPRs returned by cp_convert.
1755 2018-04-23 Jason Merrill <jason@redhat.com>
1757 PR c++/69560 - wrong alignof(double) on x86.
1758 CWG 1879 - Inadequate definition of alignment requirement.
1759 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1760 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1761 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1762 (cxx_alignof_expr): Pass it.
1763 * parser.c (cp_parser_unary_expression): Pass it.
1764 * pt.c (tsubst_copy): Copy it.
1765 (tsubst_copy_and_build): Pass it.
1766 * decl.c (fold_sizeof_expr): Pass it.
1768 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1769 Jason Merrill <jason@redhat.com>
1771 PR c++/85470 - wrong error with static data member.
1772 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1773 * typeck2.c (store_init_value): Likewise.
1775 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1778 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1779 change refcount member from unsigned char to unsigned short,
1780 add refcount_infinity static data member, adjust comments.
1781 * pt.c (tinst_level::refcount_infinity): Define.
1782 (inc_refcount_use): Remove assert, don't increment if refcount
1783 is already refcount_infinity, adjust comment.
1784 (dec_refcount_use): Remove assert, don't decrement if refcount
1785 is refcount_infinity, adjust comment.
1786 (push_tinst_level_loc): Formatting fix.
1788 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1791 * pt.c (lookup_template_class_1): Check pushtag return value for
1794 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1797 * cp-tree.h (tinst_level::free): Fix whitespace.
1799 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1802 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1803 for error_mark_node.
1805 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1808 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1809 tricks from here to ...
1810 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1811 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1813 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1816 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1817 targs. Add private split_list_p, tree_list_p, and not_list_p
1818 inline const predicates; to_list private member function
1819 declaration; free public member function declaration; list_p,
1820 get_node and maybe_get_node accessors, and refcount data
1821 member. Narrow errors to unsigned short.
1822 * error.c (print_instantiation_full_context): Use new
1824 (print_instantiation_partial_context_line): Likewise. Drop
1825 const from tinst_level-typed parameter.
1826 * mangle.c (mangle_decl_string): Likewise.
1827 * pt.c (freelist): New template class.
1828 (tree_list_freelist_head): New var.
1829 (tree_list_freelist): New fn, along with specializations.
1830 (tinst_level_freelist_head): New var.
1831 (pending_template_freelist_head): Likewise.
1832 (tinst_level_freelist, pending_template_freelist): New fns.
1833 (tinst_level::to_list, tinst_level::free): Define.
1834 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1835 (set_refcount_ptr): New template fn.
1836 (add_pending_template): Adjust for refcounting, freelists and
1838 (neglectable_inst_p): Take a NULL d as a non-DECL.
1839 (limit_bad_template_recursion): Use new accessors.
1840 (push_tinst_level): New overload to create the list.
1841 (push_tinst_level_loc): Make it static, split decl into two
1842 args, adjust tests and initialization to cope with split
1843 lists, use freelist, adjust for refcounting.
1844 (push_tinst_level_loc): New wrapper with the old interface.
1845 (pop_tinst_level): Adjust for refcounting.
1846 (record_last_problematic_instantiation): Likewise.
1847 (reopen_tinst_level): Likewise. Use new accessors.
1848 (instantiate_alias_template): Adjust for split list.
1849 (fn_type_unification): Likewise.
1850 (get_partial_spec_bindings): Likewise.
1851 (instantiate_pending_templates): Use new accessors. Adjust
1852 for refcount. Release pending_template to freelist.
1853 (instantiating_current_function_p): Use new accessors.
1855 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1858 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1859 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1860 if we've seen errors.
1862 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1865 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1866 checking that the use is indeed before the definition.
1867 (macro_use_before_def::macro_use_before_def): Make private.
1868 (macro_use_before_def::~macro_use_before_def): Make private. Move
1869 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1870 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1871 than using new directly.
1873 2018-04-12 Jason Merrill <jason@redhat.com>
1875 PR c++/85356 - ICE with pointer to member function.
1876 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1877 flag_noexcept_type. Build the new spec within the function context.
1878 * except.c (build_noexcept_spec): Do get constant value in templates
1879 if flag_noexcept_type.
1880 * decl.c (check_redeclaration_exception_specification): Don't
1881 instantiate noexcept on a dependent declaration.
1883 2018-04-12 Marek Polacek <polacek@redhat.com>
1886 * constexpr.c (reduced_constant_expression_p): Return false for null
1889 2018-04-11 Marek Polacek <polacek@redhat.com>
1892 * constexpr.c (potential_constant_expression_1): Consider conversions
1893 from classes to literal types potentially constant.
1895 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1898 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1899 the type like TYPE_PTR_OR_PTRMEM_P.
1901 2018-04-10 Jason Merrill <jason@redhat.com>
1903 PR debug/65821 - wrong location for main().
1904 * call.c (clear_location_r, convert_default_arg): Revert.
1905 * tree.c (break_out_target_exprs): Add clear_location parm.
1906 (struct bot_data): New.
1907 (bot_manip): Clear location if requested.
1908 * init.c (get_nsdmi): Pass clear_location.
1910 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1913 * call.c (get_fndecl_argument_location): Make non-static.
1914 * cp-tree.h (get_fndecl_argument_location): New decl.
1915 * typeck.c (convert_for_assignment): When complaining due to
1916 conversions for an argument, show the location of the parameter
1919 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1921 PR c++/85312 - P0962 cleanup
1922 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1925 2018-04-10 Jason Merrill <jason@redhat.com>
1927 PR debug/65821 - wrong location for main().
1928 * call.c (clear_location_r): New.
1929 (convert_default_arg): Use it.
1930 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1932 PR c++/85285 - ICE with flexible array after substitution.
1933 * pt.c (instantiate_class_template_1): Check for flexible array in
1936 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1939 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1940 issue a pedwarn and defer trying to do bindings.
1942 2018-04-09 Jason Merrill <jason@redhat.com>
1944 PR c++/85279 - dump_expr doesn't understand decltype.
1945 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1947 PR c++/85262 - ICE with redundant qualification on constructor.
1948 * call.c (build_new_method_call_1): Move make_args_non_dependent
1949 after A::A() handling.
1951 PR c++/85277 - ICE with invalid offsetof.
1952 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1953 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1955 PR c++/85264 - ICE with excess template-parameter-list.
1956 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1957 parameter. Don't allow an extra template header if true.
1958 (cp_parser_class_head): Pass template_id_p.
1959 (cp_parser_elaborated_type_specifier): Likewise.
1960 (cp_parser_alias_declaration): Likewise.
1961 (cp_parser_check_declarator_template_parameters): Likewise.
1963 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1966 * parser.c (cp_parser_simple_declaration): For structured bindings,
1967 if *maybe_range_for_decl is NULL after parsing it, set it to
1970 2018-04-09 Jason Merrill <jason@redhat.com>
1972 PR c++/85256 - ICE capturing pointer to VLA.
1973 * lambda.c (add_capture): Distinguish between variable-size and
1974 variably-modified types.
1976 2018-04-06 Jason Merrill <jason@redhat.com>
1978 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1979 * pt.c (extract_locals_r): Remember local typedefs.
1981 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1984 * name-lookup.c (struct std_name_hint): Move out of
1985 get_std_name_hint; add field "min_dialect".
1986 (get_std_name_hint): Add min_dialect values to all initializers.
1987 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1988 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1989 <shared_mutex>, <string_view>, <thread>, and <variant>.
1990 Add fstream, ifstream, and ofstream to <fstream>.
1991 Add istringstream, ostringstream, and stringstream to <sstream>.
1992 Add basic_string to <string>.
1993 Add tuple_element and tuple_size to <tuple>.
1994 Add declval to <utility>.
1995 Fix ordering of <queue> and <tuple>.
1996 Return a std_name_hint, rather than a const char *.
1997 (get_cxx_dialect_name): New function.
1998 (maybe_suggest_missing_std_header): Detect names that aren't yet
1999 available in the current dialect, and instead of suggesting a
2000 missing #include, warn about the dialect.
2002 2018-04-06 Jakub Jelinek <jakub@redhat.com>
2005 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
2006 errorcount is set if tsubst doesn't return a VAR_DECL.
2008 2018-04-06 David Malcolm <dmalcolm@redhat.com>
2011 * name-lookup.c (using_directives_contain_std_p): New function.
2012 (has_using_namespace_std_directive_p): New function.
2013 (suggest_alternatives_for): Simplify if/else logic using early
2014 returns. If no candidates were found, and there's a
2015 "using namespace std;" directive, call
2016 maybe_suggest_missing_std_header.
2017 (maybe_suggest_missing_header): Split later part of the function
2019 (maybe_suggest_missing_std_header): New.
2021 2018-04-06 Jason Merrill <jason@redhat.com>
2023 PR c++/85242 - ICE with class definition in template parm.
2024 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
2025 processing_template_parmlist.
2027 PR c++/85240 - LTO ICE with using of undeduced auto fn.
2028 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2030 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2033 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2034 is not prev, if prev == decl.
2037 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2038 maybe_apply_pragma_weak here...
2039 (cp_maybe_mangle_decomp): ... but call it here instead.
2041 2018-04-05 Jason Merrill <jason@redhat.com>
2043 PR c++/85136 - ICE with designated init in template.
2044 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2045 designated initializer.
2046 (check_array_designated_initializer): Update ce->index with the
2049 PR c++/83808 - ICE with VLA initialization.
2050 * typeck2.c (process_init_constructor_array): Don't require a VLA
2051 initializer to have VLA type.
2053 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2056 * call.c (convert_like_real): Fail gracefully for a broken
2057 std::initializer_list, missing a definition.
2059 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2061 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2064 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2065 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2067 2018-04-05 Jason Merrill <jason@redhat.com>
2069 PR c++/82152 - ICE with class deduction and inherited ctor.
2070 * pt.c (do_class_deduction): Ignore inherited ctors.
2072 PR c++/84665 - ICE with array of empty class.
2073 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2075 PR c++/85228 - ICE with lambda in enumerator in template.
2076 * pt.c (bt_instantiate_type_proc): Don't assume
2077 CLASSTYPE_TEMPLATE_INFO is non-null.
2079 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2082 * decl.c (find_decomp_class_base): Check accessibility instead
2083 of declared access, adjust diagnostic.
2085 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2088 * decl.c (get_tuple_decomp_init): Check the templatedness
2091 2018-04-05 Jason Merrill <jason@redhat.com>
2093 PR c++/85200 - ICE with constexpr if in generic lambda.
2094 * pt.c (extract_locals_r): Don't record the local specs of variables
2095 declared within the pattern.
2097 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2100 * pt.c (check_auto_in_tmpl_args): New.
2101 (tsubst_qualified_id): Use it to reject template args
2102 referencing auto for non-type templates.
2103 * parser.c (cp_parser_template_id): Likewise.
2104 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2105 * typeck2.c (build_functional_cast): Report correct location
2106 for invalid use of auto.
2108 2018-04-04 Jason Merrill <jason@redhat.com>
2110 PR c++/85215 - ICE with copy-init from conversion.
2111 * call.c (merge_conversion_sequences): Fix type of direct binding
2114 PR c++/84938 - ICE with division by ~-1.
2115 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2117 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2118 * parser.c (cp_parser_mem_initializer_list): Call
2119 check_for_bare_parameter_packs.
2121 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2124 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2125 builtin_valid_in_constant_expr_p functions, don't call
2126 cxx_eval_constant_expression if argument is not
2127 potential_constant_expression.
2130 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2132 * semantics.c (calculate_bases): Add complain argument. Use
2133 complete_type_or_maybe_complain instead of just complete_type and
2134 return an empty vector if it fails. Move make_tree_vector () call
2135 after early return. Formatting fixes.
2136 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2138 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2139 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2140 calculate_direct_bases callers, formatting fixes.
2142 2018-04-04 Jason Merrill <jason@redhat.com>
2144 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2145 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2147 PR c++/85200 - ICE with constexpr if in generic lambda.
2148 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2150 PR c++/84221 - bogus -Wunused with attribute and template.
2151 * decl2.c (is_late_template_attribute): Handle unused and used
2152 normally on non-TYPE_DECL.
2154 PR c++/85135 - ICE with omitted template arguments.
2155 * decl.c (grokdeclarator): Catch deduced class type in trailing
2158 PR c++/85133 - ICE with missing concept initializer.
2159 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2162 PR c++/85118 - wrong error with generic lambda and std::bind.
2163 * call.c (add_template_conv_candidate): Disable if there are any
2166 PR c++/85141 - ICE with compound assignment and static member fn.
2167 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2168 compound assignment.
2170 PR c++/85148 - ICE with 'this' in array NSDMI.
2171 * tree.c (replace_placeholders_r): Use handled_component_p.
2173 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2176 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2177 * parser.c (cp_parser_unqualified_id): ..not here.
2179 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2182 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2184 * decl2.c (mark_used): Return without effects if tf_conv.
2186 2018-04-03 Jason Merrill <jason@redhat.com>
2188 PR c++/85092 - C++17 ICE with unused list constructor.
2189 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2192 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2193 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2194 __builtin_constant_p if ctx->quiet.
2196 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2199 * pt.c (rewrite_template_parm): If the first argument is
2200 error_mark_node return it immediately.
2201 (build_deduction_guide): Check the return value of the
2202 latter for error_mark_node.
2203 (do_class_deduction): Check the return value of the latter.
2205 2018-04-03 Jason Merrill <jason@redhat.com>
2207 * semantics.c (finish_if_stmt_cond): Use
2208 instantiation_dependent_expression_p.
2210 PR c++/85149 - generic lambda and constexpr if.
2211 * pt.c (build_extra_args, add_extra_args): Split from
2212 tsubst_pack_expansion.
2213 (tsubst_expr) [IF_STMT]: Use them.
2214 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2216 * typeck.c (merge_types): Limit matching attribute shortcut to
2219 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2222 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2225 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2229 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2230 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2231 instead for static data members clear init and set DECL_EXTERNAL.
2233 2018-04-02 Jason Merrill <jason@redhat.com>
2235 PR c++/64095 - auto... parameter pack.
2236 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2238 (cp_parser_parameter_declaration_list): Not here.
2240 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2243 * class.c (instantiate_type): Peel off SAVE_EXPR before
2246 2018-03-30 Jason Merrill <jason@redhat.com>
2248 * typeck2.c (process_init_constructor_record): Use
2249 init_list_type_node for the CONSTRUCTOR around an anonymous union
2250 designated initializer.
2252 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2255 * semantics.c (finish_omp_reduction_clause): If
2256 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2257 even if processing_template_decl.
2259 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2262 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2263 <tuple>, and <utility>.
2265 2018-03-29 Jason Merrill <jason@redhat.com>
2267 PR c++/85093 - too many template args with pack expansion.
2268 * pt.c (coerce_template_parms): Keep pack expansion args that will
2271 2018-03-29 Jason Merrill <jason@redhat.com>
2273 * pt.c (build_non_dependent_expr): Propagate expr location.
2275 2018-03-27 Jason Merrill <jason@redhat.com>
2277 PR c++/85060 - wrong-code with call to base member in template.
2278 * search.c (any_dependent_bases_p): Check uses_template_parms
2279 rather than processing_template_decl.
2281 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2284 * typeck.c (convert_for_assignment): When complaining due to
2285 conversions for an argument, attempt to use the location of the
2288 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2291 * pt.c (tsubst_default_argument): Early return if the type of the
2292 parameter is erroneous.
2294 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2297 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2301 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2303 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2306 * method.c (defaulted_late_check): Partially revert r253321 changes,
2307 do not early return upon error.
2309 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2312 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2313 type call fold to generate VECTOR_CSTs when possible.
2316 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2317 return it right away.
2319 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2321 * search.c (check_final_overrider): Use inform instead of error
2322 for the diagnostics of the overridden functions. Tweak wording.
2324 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2327 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2328 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2330 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2331 Jason Merrill <jason@redhat.com>
2334 * init.c (build_aggr_init): When initializing from array,
2335 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2336 (build_vec_init): Handle separately ARRAY_TYPEs.
2338 2018-03-26 Jason Merrill <jason@redhat.com>
2340 PR c++/85062 - ICE with alignas in wrong place.
2341 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2344 PR c++/85049 - ICE with __integer_pack.
2345 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2346 * cp-tree.h (TEMPLATE_PARM_P): New.
2348 2018-03-23 Jason Merrill <jason@redhat.com>
2350 PR c++/78489 - wrong SFINAE behavior.
2353 * pt.c (type_unification_real): Don't defer substitution failure.
2355 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2358 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2362 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2363 cp_build_unary_op call with gcc_unreachable ().
2365 2018-03-23 Marek Polacek <polacek@redhat.com>
2368 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2369 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2370 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2372 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2375 * parser.c (cp_parser_perform_range_for_lookup): Change
2376 the condition for deciding whether to use members.
2378 2018-03-23 Marek Polacek <polacek@redhat.com>
2381 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2383 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2386 * parser.c (cp_parser_alias_declaration): Call
2387 parser_check_template_parameters.
2390 * pt.c (resolve_typename_type): Drop assert that stopped
2391 simplification to template-independent types. Add assert to
2392 verify the initial scope is template dependent.
2393 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2394 Reparse the id expression as a type-name, not a declarator.
2397 * init.c (build_vec_init): Error at parenthesized array init.
2402 * cp-tree.h (temp_override): New template class, generalizing
2403 a cleanup that was only used...
2404 * parser.c (cp_parser_parameter_declaration_clause):
2405 ... here for auto_is_implicit_function_template_parm_p.
2406 (cp_parser_gnu_attributes_opt): Use it here as well.
2407 (cp_parser_std_attribute): Likewise.
2409 2018-03-22 Marek Polacek <polacek@redhat.com>
2412 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2415 2018-03-21 Jason Merrill <jason@redhat.com>
2417 PR c++/81311 - wrong C++17 overload resolution.
2418 * call.c (build_user_type_conversion_1): Remove C++17 code.
2419 (conv_binds_ref_to_prvalue): New.
2420 (build_over_call): Handle C++17 copy elision.
2421 (build_special_member_call): Only do C++17 copy elision here if the
2422 argument is already the right type.
2424 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2427 * init.c (build_vec_init): Silence error, former sorry,
2432 * parser.c (abort_fully_implicit_template_p): New.
2433 (cp_parser_skip_to_end_of_statement): Use it.
2434 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2435 (finish_fully_implicit_template_p): Clear
2436 implicit_template_parms and implicit_template_scope.
2438 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2441 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2442 error_mark_node when check_array_designated_initializer fails.
2444 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2447 * cp-tree.h (genericize_compound_lvalue): Declare.
2448 * typeck.c (genericize_compound_lvalue): New function.
2449 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2450 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2451 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2452 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2453 COMPOUND_EXPR operand.
2455 2018-03-21 Nathan Sidwell <nathan@acm.org>
2458 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2459 * decl2.c (vague_linkage_p): Likewise.
2461 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2464 * constexpr.c (constexpr_fn_retval): Make non-"static".
2465 * cp-tree.h (constexpr_fn_retval): New decl.
2466 * search.c (direct_accessor_p): Update leading comment.
2467 (reference_accessor_p): Likewise.
2468 (field_accessor_p): Replace check that function body is a
2469 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2470 indentation of "field_type" decl.
2472 2018-03-21 Nathan Sidwell <nathan@acm.org>
2475 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2478 2018-03-21 Martin Sebor <msebor@redhat.com>
2481 * call.c (first_non_public_field): New template and function.
2482 (first_non_trivial_field): New function.
2483 (maybe_warn_class_memaccess): Call them.
2485 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2488 * search.c (field_accessor_p): Use class_of_this_parm rather than
2489 type_of_this_parm, to check that "this" is a "const T *", rather
2492 2018-03-21 Nathan Sidwell <nathan@acm.org>
2494 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2495 other than public non-static data members.
2496 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2497 parenthesized initializer.
2500 * name-lookup.c (update_binding): Correct logic for local binding
2503 2018-03-21 Marek Polacek <polacek@redhat.com>
2505 PR c++/71638, ICE with NSDMI and reference.
2506 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2507 even when we replace an element.
2509 2018-03-20 Marek Polacek <polacek@redhat.com>
2511 PR c++/84978, ICE with NRVO.
2512 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2513 a RESULT_DECL isn't in the hash map.
2515 2018-03-20 Jason Merrill <jason@redhat.com>
2517 PR c++/84978, ICE with NRVO.
2518 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2519 (cp_get_callee_fndecl_nofold): New.
2520 * cp-gimplify.c (cp_genericize_r): Use it instead.
2521 * call.c (check_self_delegation): Likewise.
2523 2018-03-20 Nathan Sidwell <nathan@acm.org>
2526 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2527 member_vec, if there is one.
2530 * cp-tree.h (lookup_list_keep): Declare.
2531 * tree.c (lookup_list_keep): New, broken out of ...
2532 (build_min): ... here. Call it.
2533 * decl.c (cp_finish_decl): Call lookup_list_keep.
2535 2018-03-19 Jason Merrill <jason@redhat.com>
2537 PR c++/84937 - ICE with class deduction and auto.
2538 * pt.c (rewrite_template_parm): Fix auto handling.
2540 2018-03-19 Marek Polacek <polacek@redhat.com>
2543 * pt.c (enclosing_instantiation_of): Check if fn is null.
2546 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2547 as we evaluate the elements.
2548 (cxx_eval_constant_expression): Verify constructor's flags
2551 2018-03-19 Jason Merrill <jason@redhat.com>
2553 PR c++/71834 - template-id with too few arguments.
2554 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2556 2018-03-19 Nathan Sidwell <nathan@acm.org>
2559 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2560 * pt.c (build_template_decl): Propagate language linkage.
2563 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2566 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2569 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2571 * method.c (synthesize_method): Likewise.
2572 * pt.c (convert_nontype_argument): Likewise.
2574 2018-03-16 Jason Merrill <jason@redhat.com>
2576 PR c++/84720 - ICE with rvalue ref non-type argument.
2577 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2578 (convert_nontype_argument): Revert earlier change.
2580 PR c++/80227 - SFINAE and negative array size.
2581 * decl.c (compute_array_index_type): Use
2582 build_converted_constant_expr and valid_constant_size_p.
2584 PR c++/84906 - silent wrong code with ambiguous conversion.
2585 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2586 ambiguous conversion.
2587 (convert_like_real): Check it.
2589 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2590 * call.c (build_special_member_call): Don't convert an init-list
2591 argument directly to the class type.
2593 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2597 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2598 (find_placeholder): Declare.
2599 * tree.c (struct replace_placeholders_t): Add exp member.
2600 (replace_placeholders_r): Don't walk into ctors with
2601 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2602 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2603 (replace_placeholders): Initialize data.exp.
2604 (find_placeholders_r, find_placeholders): New functions.
2605 * typeck2.c (process_init_constructor_record,
2606 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2607 if adding NSDMI on which find_placeholder returns true.
2608 * call.c (build_over_call): Don't call replace_placeholders here.
2609 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2610 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2611 TARGET_EXPR_INITIAL.
2612 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2615 2018-03-16 Jason Merrill <jason@redhat.com>
2617 PR c++/83911 - ICE with multiversioned constructor.
2618 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2620 * call.c (build_over_call): Not here.
2622 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2625 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2626 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2628 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2631 * cp-tree.h (cp_warn_deprecated_use): Declare.
2632 * tree.c (cp_warn_deprecated_use): New function.
2633 * typeck2.c (build_functional_cast): Use it.
2634 * decl.c (grokparms): Likewise.
2635 (grokdeclarator): Likewise. Temporarily push nested class scope
2636 around grokparms call for out of class member definitions.
2638 2018-03-14 Jason Merrill <jason@redhat.com>
2640 PR c++/84820 - no error for invalid qualified-id.
2641 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2642 cp_error_declarator.
2644 PR c++/84801 - ICE with unexpanded pack in lambda.
2645 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2646 lambda in non-template context.
2648 PR c++/81236 - auto variable and auto function
2649 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2652 2018-03-14 Jason Merrill <jason@redhat.com>
2654 PR c++/83916 - ICE with template template parameters.
2655 * pt.c (convert_template_argument): Don't substitute into type of
2656 non-type parameter if we don't have enough arg levels.
2659 2018-03-14 Marek Polacek <polacek@redhat.com>
2662 * semantics.c (finish_static_assert): Check
2663 instantiation_dependent_expression_p instead of
2664 {type,value}_dependent_expression_p.
2666 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2667 Jason Merrill <jason@redhat.com>
2669 PR c++/82336 - link error with list-init default argument.
2670 * decl.c (check_default_argument): Unshare an initializer list.
2672 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2675 * decl.c (duplicate_decls): For redefinition of built-in, use error
2676 and return error_mark_node. For redeclaration, return error_mark_node
2677 rather than olddecl if !flag_permissive.
2679 2018-03-13 Jason Merrill <jason@redhat.com>
2681 PR c++/82565 - ICE with concepts and generic lambda.
2682 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2684 2018-03-13 Jason Merrill <jason@redhat.com>
2686 PR c++/84720 - ICE with rvalue ref non-type argument.
2687 * pt.c (convert_nontype_argument): Handle rvalue references.
2689 PR c++/84839 - ICE with decltype of parameter pack.
2690 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2691 instantiating dummy parms.
2693 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2694 parameter even without -Wpedantic.
2696 PR c++/84798 - ICE with auto in abstract function declarator.
2697 * parser.c (cp_parser_parameter_declaration_clause): Check
2698 parser->default_arg_ok_p.
2700 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2703 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2704 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2705 sizetype. Formatting fixes.
2707 2018-03-12 Jason Merrill <jason@redhat.com>
2709 PR c++/84355 - ICE with deduction for member class template.
2710 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2711 CLASS_PLACEHOLDER_TEMPLATE.
2713 PR c++/84802 - ICE capturing uninstantiated class.
2714 * lambda.c (build_capture_proxy): Call complete_type.
2716 2018-03-09 Jason Merrill <jason@redhat.com>
2718 PR c++/84770 - ICE with typedef and parameter pack.
2719 * pt.c (verify_unstripped_args_1): Split out from
2720 verify_unstripped_args.
2722 PR c++/84785 - ICE with alias template and default targs.
2723 * pt.c (type_unification_real): Set processing_template_decl if
2726 PR c++/84752 - ICE with capture of constexpr array.
2727 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2728 identity conversion under ck_lvalue.
2730 2018-03-09 Jason Merrill <jason@redhat.com>
2731 Paolo Carlini <paolo.carlini@oracle.com>
2735 * pt.c (any_erroneous_template_args_p): New.
2736 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2737 * parser.c (cp_parser_class_specifier_1): Use it.
2739 2018-03-09 Jason Merrill <jason@redhat.com>
2741 PR c++/84726 - unnecessary capture of constant vars.
2742 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2743 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2744 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2745 * lambda.c (is_constant_capture_proxy)
2746 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2747 (prune_lambda_captures): New.
2748 (finish_lambda_function): Call prune_lambda_captures.
2750 2018-03-09 Jason Merrill <jason@redhat.com>
2751 Jakub Jelinek <jakub@redhat.com>
2754 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2755 build ADDR_EXPR with REFERENCE_TYPE.
2756 (build_over_call): For purposes of check_function_arguments, if
2757 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2758 its operand rather than the argument itself.
2760 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2763 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2764 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2765 also a note and return olddecl.
2767 2018-03-09 Nathan Sidwell <nathan@acm.org>
2770 * name-lookup.c (do_pushdecl_with_scope): Only clear
2771 current_function_decl when pushing a non-class (i.e. namespace)
2774 2018-03-08 Jason Merrill <jason@redhat.com>
2775 Jakub Jelinek <jakub@redhat.com>
2778 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2779 not calling mark_used for the benefit of -Wunused-function warning.
2781 2018-03-06 Jason Merrill <jason@redhat.com>
2783 * lambda.c (is_capture_proxy_with_ref): Remove.
2784 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2786 2018-03-06 Marek Polacek <polacek@redhat.com>
2789 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2792 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2795 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2796 only while processing template decls.
2797 * typeck.c (build_x_conditional_expr): Move wrapping of
2798 reference type around type...
2799 * call.c (build_conditional_expr_1): ... here. Rename
2800 is_lvalue to is_glvalue.
2801 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2802 INDIRECT_REF of COND_EXPR too.
2805 * init.c (build_zero_init_1): Zero-initialize references.
2808 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2809 overloads used as stmt expr values.
2811 2018-03-05 Jason Merrill <jason@redhat.com>
2813 PR c++/84708 - ICE with lambda in local class NSDMI.
2814 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2817 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2820 * constexpr.c (constexpr_call_hasher::equal): Return false if
2821 lhs->hash != rhs->hash. Change return 1 to return true and
2822 return 0 to return false.
2824 2018-03-05 Nathan Sidwell <nathan@acm.org>
2827 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2829 2018-03-05 Marek Polacek <polacek@redhat.com>
2832 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2835 2018-03-05 Nathan Sidwell <nathan@acm.org>
2838 * friend.c (do_friend): Restore check for identifier_p inside
2841 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2844 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2845 involving a VAR_DECL or a PARM_DECL.
2847 2018-03-05 Pádraig Brady <P@draigBrady.com>
2848 Jason Merrill <jason@redhat.com>
2849 Nathan Sidwell <nathan@acm.org>
2852 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2854 2018-03-03 Jason Merrill <jason@redhat.com>
2856 PR c++/84686 - missing volatile loads.
2857 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2859 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2862 * optimize.c (maybe_thunk_body): Bail out immediately if either
2863 fns[0] or fns[1] is null.
2865 2018-03-02 Marek Polacek <polacek@redhat.com>
2868 * constexpr.c (get_array_or_vector_nelts): New.
2869 (cxx_eval_array_reference): Use it.
2870 (cxx_eval_vec_init_1): Likewise.
2871 (cxx_eval_store_expression): Likewise.
2873 2018-03-02 Jason Merrill <jason@redhat.com>
2875 * semantics.c (force_paren_expr): Remove redundant test.
2877 2018-03-02 Marek Polacek <polacek@redhat.com>
2880 * decl.c (cp_complete_array_type): Check error_mark_node.
2883 * typeck.c (cp_perform_integral_promotions): Check the result of
2886 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2889 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2890 RETURN instead of return.
2891 <case POINTER_PLUS_EXPR>: Likewise.
2892 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2893 it instead of wrapping it into CONVERT_EXPR.
2895 2018-03-02 Jason Merrill <jason@redhat.com>
2898 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2900 2018-03-02 Marek Polacek <polacek@redhat.com>
2903 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2904 wrapped in VIEW_CONVERT_EXPR.
2906 2018-03-01 Martin Sebor <msebor@redhat.com>
2909 * decl.c (check_redeclaration_no_default_args): Merge attributes
2910 specified on redeclarations of the same function template.
2913 2018-03-01 Marek Polacek <polacek@redhat.com>
2914 Jason Merrill <jason@redhat.com>
2917 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2919 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2920 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2921 of instantiate_non_dependent_expr.
2922 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2924 2018-03-01 Nathan Sidwell <nathan@acm.org>
2927 * name-lookup.c (member_vec_dedup): Remove manually peeled
2928 iteration. Ignore dependent ctor inheritance.
2930 2018-03-01 Jason Merrill <jason@redhat.com>
2932 PR c++/71569 - decltype of template.
2933 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2935 2018-03-01 Marek Polacek <polacek@redhat.com>
2938 * constexpr.c (require_rvalue_constant_expression): New function.
2939 * cp-tree.h: Declare it.
2940 * semantics.c (finish_static_assert): Use it instead of
2941 require_potential_rvalue_constant_expression.
2943 2018-03-01 Jason Merrill <jason@redhat.com>
2944 Alexandre Oliva <aoliva@redhat.com>
2946 PR c++/71569 - ICE with redundant args on member variable template.
2947 * decl.c (start_decl): Handle partial specialization of member
2949 * pt.c (determine_specialization): Allow partial specialization
2950 of member variable template without specializing enclosing class.
2951 (process_partial_specialization): Improve error message.
2953 2018-02-28 Jason Merrill <jason@redhat.com>
2955 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2956 * pt.c (determine_specialization): Check ref-qualifier.
2958 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2961 * parser.c (cp_parser_attributes_opt): Formatting fix.
2962 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2963 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2965 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2966 instead of tentative parse to peek over optional attribute tokens
2967 to check for CPP_COLON after them.
2971 * pt.c (INCLUDE_STRING): Remove define.
2972 (warn_spec_missing_attributes): Use pretty_printer instead of
2973 std::string. Fix up inform call so that the list of attributes
2976 2018-02-28 Martin Sebor <msebor@redhat.com>
2979 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2982 2018-02-28 Nathan Sidwell <nathan@acm.org>
2985 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2986 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2987 regardless of want_type.
2988 (search_anon_aggr): Just use get_class_binding_direct.
2990 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2992 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2995 2018-02-27 Martin Sebor <msebor@redhat.com>
2997 * pt.c: Avoid including <string> directly.
2999 2018-02-27 Martin Sebor <msebor@redhat.com>
3003 * cp-tree.h (warn_spec_missing_attributes): New function.
3004 ((check_explicit_specialization): Add an argument. Call the above
3006 * decl.c (duplicate_decls): Avoid applying primary function template's
3007 attributes to its explicit specializations.
3008 cp/pt.c (warn_spec_missing_attributes): Define.
3010 2018-02-27 HĂĄkon Sandsmark <hsandsmark@gmail.com>
3012 PR c++/71546 - lambda init-capture with qualified-id.
3013 * parser.c (cp_parser_lambda_introducer): Clear scope after
3014 each lambda capture.
3016 2018-02-27 Nathan Sidwell <nathan@acm.org>
3019 * name-lookup.h (get_member_slot): Rename ...
3020 (find_member_slot): ... here.
3021 (add_member_slot): New.
3022 * name-lookup.c (member_vec_linear_search): No need to check for
3024 (get_member_slot): Rename ...
3025 (find_member_slot): ... here. Don't add slot for incomplete class.
3026 (add_member_slot): New.
3027 * class.c (add_method): Adjust get_member_slot rename. Bail out
3028 if push_class_level_binding fails. Create slot and grok
3029 properties once we're committed to insertion.
3031 2018-02-27 Jason Merrill <jason@redhat.com>
3033 PR c++/84489 - dependent default template argument
3034 * pt.c (type_unification_real): Handle early substitution failure.
3036 2018-02-26 Jason Merrill <jason@redhat.com>
3038 PR c++/84560 - ICE capturing multi-dimensional VLA.
3039 * tree.c (array_of_runtime_bound_p): False if the element is
3042 PR c++/84441 - ICE with base initialized from ?:
3043 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3045 PR c++/84520 - ICE with generic lambda in NSDMI.
3046 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3047 'this' in a generic lambda instantiation.
3049 PR c++/84559 - ICE with constexpr VLA.
3050 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3051 for constexpr variable with VLA type.
3053 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3056 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3057 a valid constant initializer. Formatting fixes.
3059 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3062 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3063 returning NULL_TREE.
3064 (apply_late_template_attributes): Likewise.
3066 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3069 * parser.c (cp_parser_omp_var_list_no_open): Only call
3070 cp_parser_lookup_name_simple on names satisfying identifier_p.
3071 (cp_parser_oacc_routine): Likewise.
3073 2018-02-26 Jason Merrill <jason@redhat.com>
3075 PR c++/84551 - ICE with concepts and -g.
3076 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3078 2018-02-26 Marek Polacek <polacek@redhat.com>
3081 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3084 2018-02-26 Jason Merrill <jason@redhat.com>
3086 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3087 * call.c (build_over_call): Handle deleted functions in one place.
3089 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3092 * decl.c (redeclaration_error_message): Don't try to use
3093 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3095 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3097 * lambda.c (build_capture_proxy): Define static.
3098 * cp-tree.h (build_capture_proxy): Remove.
3100 2018-02-26 Marek Polacek <polacek@redhat.com>
3103 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3104 if name is error node.
3106 2018-02-25 Jason Merrill <jason@redhat.com>
3108 PR c++/84015 - ICE with class deduction and auto template parm.
3109 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3111 2018-02-24 Marek Polacek <polacek@redhat.com>
3114 * constexpr.c (maybe_constant_init_1): New function.
3115 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3116 (cxx_constant_init): New function.
3117 * cp-tree.h (cxx_constant_init): Declare.
3118 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3119 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3121 2018-02-22 Jason Merrill <jason@redhat.com>
3123 PR c++/70468 - ICE with constructor delegation via typedef.
3124 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3125 with constructor delegation.
3127 2018-02-22 Jason Merrill <jason@redhat.com>
3129 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3130 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3133 2018-02-22 Marek Polacek <polacek@redhat.com>
3136 * parser.c (cp_parser_braced_list): Use require_open instead of
3139 2018-02-21 Jason Merrill <jason@redhat.com>
3141 PR c++/84454 - ICE with pack expansion in signature.
3142 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3144 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3146 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3149 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3152 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3155 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3158 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3159 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3162 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3163 returns error_mark_node, return it immediately.
3164 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3165 error_mark_node, return error_mark_node.
3168 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3169 function_depth to avoid GC during finish_lambda_function.
3171 2018-02-19 Jason Merrill <jason@redhat.com>
3173 PR c++/84429 - ICE capturing VLA.
3174 * lambda.c (build_capture_proxy): Handle reference refs.
3176 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3179 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3180 either operand is error_mark_node, set current.lhs to that instead of
3181 creating a binary op with error_mark_node operands.
3184 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3186 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3189 * decl.c (grokdeclarator): Early return error_mark_node upon
3190 ill-formed friend declaration.
3192 2018-02-16 Marek Polacek <polacek@redhat.com>
3193 Jakub Jelinek <jakub@redhat.com>
3196 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3197 set *jump_target to anything if jump_target is NULL.
3199 2018-02-16 Jason Merrill <jason@redhat.com>
3201 PR c++/84151 - unnecessary volatile load with static member.
3202 * call.c (build_new_method_call_1): Avoid loading from a volatile
3203 lvalue used as the object argument for a static member function.
3205 PR c++/81853 - using-directive and constexpr.
3206 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3208 PR c++/84420 - ICE with structured binding in lambda.
3209 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3211 PR c++/83835 - C++17 error with constructor ctors.
3212 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3214 PR c++/82664 - ICE with reference to function template parm.
3215 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3218 PR c++/82764 - C++17 ICE with empty base
3219 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3221 2018-02-16 Jason Merrill <jason@redhat.com>
3223 PR c++/84421 - type-dependent if constexpr
3224 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3226 2018-02-16 Nathan Sidwell <nathan@acm.org>
3228 Deprecate -ffriend-injection.
3229 * decl.c (cxx_init_decl_processing): Emit warning on option.
3230 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3233 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3236 * decl.c (check_special_function_return_type): Reject template
3237 template parameter in deduction guide.
3239 2018-02-16 Nathan Sidwell <nathan@acm.org>
3242 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3244 2018-02-15 Jason Merrill <jason@redhat.com>
3246 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3247 * call.c (convert_like_real): Don't use the copy-list-initialization
3248 shortcut for ck_base.
3250 PR c++/84045 - ICE with typedef and noexcept.
3251 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3253 PR c++/84376 - ICE with omitted template arguments.
3254 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3256 PR c++/84368 - wrong error with local variable in variadic lambda.
3257 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3258 local_specializations.
3260 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3263 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3266 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3269 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3272 2018-02-14 Nathan Sidwell <nathan@acm.org>
3274 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3275 (c_parse_final_cleanups): Restore input_location after emitting
3278 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3280 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3281 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3282 auto_deduction_context, tree, int): Add defaults.
3283 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3284 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3285 tsubst_flags_t argument.
3286 * init.c (build_new): Likewise.
3288 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3291 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3292 about return other than *this in assignment operators if
3293 retval is type dependent expression.
3295 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3298 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3299 save_expr for the G++ extension.
3301 2018-02-13 Jason Merrill <jason@redhat.com>
3303 PR c++/84080 - ICE with return type deduction and specialization.
3304 * pt.c (determine_specialization): Check uses_template_parms.
3306 Fix more variadic capture issues.
3307 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3308 (check_for_bare_parameter_packs): Check current_class_type for
3310 (extract_locals_r): Handle seeing a full instantiation of a pack.
3311 (tsubst_pack_expansion): Likewise. Force lambda capture.
3312 * parser.c (cp_parser_lambda_introducer): Don't
3313 check_for_bare_parameter_packs.
3315 PR c++/84338 - wrong variadic sizeof.
3316 * pt.c (argument_pack_select_arg): Like the macro, but look through
3318 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3319 (extract_fnparm_pack): Do make_pack_expansion.
3320 (extract_locals_r): Do strip a pack expansion.
3321 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3323 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3326 * parser.c (cp_parser_binary_expression): Use build_min instead of
3327 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3329 2018-02-12 Nathan Sidwell <nathan@acm.org>
3332 * parser.c (cp_parser_decltype): Push and pop
3333 deferring_access_checks. Reorganize to avoid goto.
3335 2018-02-12 Richard Biener <rguenther@suse.de>
3338 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3339 uniform constructors and delay allocating them fully.
3341 2018-02-09 Jason Merrill <jason@redhat.com>
3343 PR c++/84036 - ICE with variadic capture.
3344 Handle variadic capture proxies more like non-variadic.
3345 * lambda.c (build_capture_proxy): Remove workaround.
3346 * pt.c (find_parameter_packs_r): The proxy is a pack.
3347 (instantiate_class_template_1): Remove dead lambda code.
3348 (extract_fnparm_pack): Don't make_pack_expansion.
3349 (extract_locals_r): Don't strip a pack expansion.
3350 (tsubst_pack_expansion): Handle proxy packs. Use
3351 PACK_EXPANSION_EXTRA_ARGS less.
3352 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3353 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3354 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3355 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3356 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3358 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3361 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3363 2018-02-09 Jason Merrill <jason@redhat.com>
3365 PR c++/81917 - ICE with void_t and partial specialization.
3366 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3367 calling most_specialized_partial_spec.
3369 2018-02-09 Nathan Sidwell <nathan@acm.org>
3372 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3373 Pass expr location to strict_aliasing_warning.
3375 2018-02-09 Jason Merrill <jason@redhat.com>
3377 PR c++/84296 - ICE with qualified-id in template.
3379 * pt.c (unknown_base_ref_p): New.
3380 (instantiation_dependent_scope_ref_p): Use it instead of
3381 any_dependent_bases_p.
3383 2018-02-09 Marek Polacek <polacek@redhat.com>
3384 Jakub Jelinek <jakub@redhat.com>
3387 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3388 fold_indirect_ref_1, including poly_*int64. Verify first that
3389 tree_fits_poly_int64_p (op01). Formatting fixes.
3391 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3393 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3394 * lambda.c (build_capture_proxy): Likewise.
3395 * search.c (field_access_p): Likewise.
3396 * semantics.c (omp_clause_decl, omp_privatize_field,
3397 finish_omp_clauses): Likewise.
3399 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3402 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3403 case of nullptr too.
3405 2018-02-08 Nathan Sidwell <nathan@acm.org>
3407 * class.c (finish_struct): Fix std:initializer_list diagnostic
3410 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3413 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3415 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3418 * parser.c (cp_parser_dot_deref_incomplete): New function.
3419 (cp_parser_postfix_dot_deref_expression): Use it.
3421 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3425 * name-lookup.c (suggest_rid_p): New function.
3426 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3429 2018-02-07 Jason Merrill <jason@redhat.com>
3431 PR c++/84182 - ICE with captured lambda
3433 * pt.c (extract_locals_r, extract_local_specs): New.
3434 (tsubst_pack_expansion): Use them.
3436 2018-02-07 Martin Liska <mliska@suse.cz>
3439 * class.c (add_method): Append argument value.
3440 * cp-tree.h (maybe_version_functions): Add new argument.
3441 * decl.c (decls_match): Call it if a declaration does not
3442 have DECL_FUNCTION_VERSIONED.
3443 (maybe_version_functions): record argument is added.
3445 2018-02-05 Marek Polacek <polacek@redhat.com>
3447 * class.c: Remove unused global variables.
3448 (build_primary_vtable): Don't gather statistics.
3449 (print_class_statistics): Remove.
3450 * cp-tree.h (print_class_statistics): Remove.
3451 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3453 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3455 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3456 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3457 * decl.c (next_initializable_field, find_decomp_class_base,
3458 cp_finish_decomp): Likewise.
3459 * typeck2.c (process_init_constructor_record): Likewise.
3461 2018-02-02 Jason Merrill <jason@redhat.com>
3463 PR c++/84181 - ICE with lambda parm in template argument.
3464 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3466 2018-02-01 Jason Merrill <jason@redhat.com>
3468 PR c++/84160 - ICE with nested variadic capture.
3469 * lambda.c (is_capture_proxy_with_ref): New.
3470 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3472 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3473 * constexpr.c (potential_constant_expression_1): Likewise.
3474 * semantics.c (process_outer_var_ref): Likewise.
3476 2018-02-01 Marek Polacek <polacek@redhat.com>
3479 * typeck.c (build_address): Relax the assert when
3480 processing_template_decl.
3482 2018-02-01 Jason Merrill <jason@redhat.com>
3484 PR c++/84126 - ICE with variadic generic lambda
3487 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3488 PACK_EXPANSION_EXTRA_ARGS.
3490 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3493 * call.c (convert_like_real): If w're initializing from {} explicitly
3494 call abstract_virtuals_error_sfinae.
3496 2018-01-31 Jason Merrill <jason@redhat.com>
3497 Jakub Jelinek <jakub@redhat.com>
3500 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3501 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3504 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3507 * constexpr.c (diag_array_subscript): Emit different diagnostics
3508 if TYPE_DOMAIN (arraytype) is NULL.
3509 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3510 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3512 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3515 * semantics.c (finish_qualified_id_expr): When handling an
3516 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3518 2018-01-31 Marek Polacek <polacek@redhat.com>
3521 * cp-gimplify.c (cp_fold): Check if X is an error node before
3522 calling useless_type_conversion_p.
3524 2018-01-30 Jason Merrill <jason@redhat.com>
3526 PR c++/84091 - ICE with local class in lambda in template.
3527 * decl2.c (determine_visibility): Look for outer containing template
3530 PR c++/84098 - ICE with lambda in template NSDMI.
3531 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3533 2018-01-29 Jason Merrill <jason@redhat.com>
3535 PR c++/68810 - wrong location for reinterpret_cast error.
3536 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3539 2018-01-29 Marek Polacek <polacek@redhat.com>
3542 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3543 => fooarray[1] in offset_int.
3545 2018-01-29 Jason Merrill <jason@redhat.com>
3547 PR c++/83942 - wrong unused warning with static_cast.
3548 * cvt.c (ocp_convert): Call mark_rvalue_use.
3550 2018-01-26 Jason Merrill <jason@redhat.com>
3552 PR c++/83956 - wrong dtor error with anonymous union
3553 * method.c (walk_field_subobs): Variant members only affect
3555 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3557 PR c++/84036 - ICE with variadic capture.
3559 * pt.c (tsubst_pack_expansion): When optimizing a simple
3560 substitution, pull a single pack expansion out of its pack.
3562 PR c++/82514 - ICE with local class in generic lambda.
3563 * pt.c (regenerated_lambda_fn_p): Remove.
3564 (enclosing_instantiation_of): Don't use it.
3565 (tsubst_function_decl): Call enclosing_instantiation_of.
3567 * pt.c (lookup_template_class_1): Add sanity check.
3568 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3570 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3573 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3574 recursive calls that return ret.
3575 (cp_finish_decomp): Ignore unnamed bitfields.
3577 2018-01-23 Jason Merrill <jason@redhat.com>
3579 PR c++/82249 - wrong mismatched pack length error.
3580 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3581 unsubstituted function parameter pack.
3583 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3586 * decl.c (check_for_uninitialized_const_var): Not static; add
3587 bool and tsubst_flags_t parameters; adjust to be used both in
3588 constexpr context and not.
3589 * constexpr.c (potential_constant_expression_1): Use the above.
3590 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3592 2018-01-23 Jason Merrill <jason@redhat.com>
3594 PR c++/83947 - ICE with auto declarations.
3595 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3596 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3598 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3601 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3602 for pointer to member function types.
3604 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3607 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3608 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3610 2018-01-23 Nathan Sidwell <nathan@acm.org>
3613 * pt.c (tsubst_baselink): Remove optype assert.
3614 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3616 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3619 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3620 refers to incomplete type.
3622 2018-01-23 Nathan Sidwell <nathan@acm.org>
3624 Deprecate ARM-era for scope handling
3625 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3626 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3628 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3630 * semantics.c (begin_for_scope): Flag_new_for_scope is
3632 (finish_for_stmt, begin_range_for_stmt): Likewise.
3634 2018-01-22 Jason Merrill <jason@redhat.com>
3637 * decl2.c (determine_visibility): Fix template_decl handling
3638 instead of blocking it.
3640 PR c++/83720 - ICE with lambda and LTO.
3641 * decl2.c (determine_visibility): Clear template_decl for
3642 function-scope decls. Propagate anonymous linkage from containing
3645 2018-01-22 Marek Polacek <polacek@redhat.com>
3648 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3651 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3654 * decl.c (grokdeclarator): Don't diagnose extra parens
3657 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3660 * call.c (joust): Use TREE_TYPE (source) if source is
3661 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3664 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3665 for direct enum init.
3666 * decl.c (reshape_init): Likewise.
3668 2018-01-19 Marek Polacek <polacek@redhat.com>
3670 * constexpr.c (fold_simple): Simplify.
3672 2018-01-18 Jason Merrill <jason@redhat.com>
3675 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3676 * pt.c (instantiation_dependent_scope_ref_p): True if
3677 any_dependent_bases_p.
3679 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3681 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3682 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3684 2018-01-18 Jason Merrill <jason@redhat.com>
3686 PR c++/82461 - constexpr list-initialized member
3687 * constexpr.c (potential_constant_expression_1): Check
3688 TARGET_EXPR_DIRECT_INIT_P.
3690 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3693 * decl.c (xref_basetypes): Early return upon error about derived
3696 2018-01-18 Nathan Sidwell <nathan@acm.org>
3699 * cp-tree.h (mark_use): Declare.
3700 * expr.c (mark_use): Make extern.
3701 * call.c (direct_reference_binding): Set inner conv's
3702 rvaluedness_matches_p, if it is an identity.
3703 (convert_like_real): Mark lvalue or rvalue use for identity as
3704 rvaledness_matches_p demands.
3706 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3709 * parser.c (attr_chainon): New function.
3710 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3711 cp_parser_namespace_definition, cp_parser_init_declarator,
3712 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3713 cp_parser_gnu_attributes_opt): Use it.
3714 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3715 cp_parser_objc_struct_declaration): Likewise. Don't reset
3716 prefix_attributes if attributes is error_mark_node.
3718 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3721 * decl.c (grokdeclarator): Do not append the error_mark_node
3722 due to an erroneous optional attribute-specifier-seq.
3724 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3727 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3730 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3733 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3734 error_mark_node when we give an error.
3735 * decl.c (cp_finish_decl): Use the latter.
3737 2018-01-17 Nathan Sidwell <nathan@acm.org>
3740 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3742 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3745 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3746 the C++ part. If processing a template, call
3747 fold_non_dependent_expr rather than fully folding.
3749 2018-01-17 Jason Merrill <jason@redhat.com>
3751 PR c++/81067 - redundant NULL warning.
3752 * call.c (convert_like_real): Restore null_node handling.
3754 2018-01-17 Jason Merrill <jason@redhat.com>
3756 PR c++/81843 - ICE with variadic member template.
3758 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3761 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3764 * pt.c (type_dependent_expression_p): Strip any location wrapper
3765 before testing tree codes.
3766 (selftest::test_type_dependent_expression_p): New function.
3767 (selftest::cp_pt_c_tests): Call it.
3769 2018-01-17 Nathan Sidwell <nathan@acm.org>
3772 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3773 this not a final instantiation.
3775 2018-01-16 Jason Merrill <jason@redhat.com>
3777 PR c++/83714 - ICE checking return in template.
3778 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3780 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3783 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3784 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3785 instead of CALL_FROM_THUNK_P.
3788 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3789 (resort_type_member_vec, set_class_bindings,
3790 insert_late_enum_def_bindings): Use vec qsort method instead of
3791 calling qsort directly.
3793 2018-01-15 Martin Sebor <msebor@redhat.com>
3796 * class.c (find_flexarrays): Make a record of multiple flexible array
3799 2018-01-12 Jason Merrill <jason@redhat.com>
3801 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3802 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3804 2018-01-12 Nathan Sidwell <nathan@acm.org>
3806 * cp-tree.h (mark_rvalue_use): Add parm name.
3807 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3809 * call.c (convert_like_real): Fix formatting.
3811 2018-01-11 Jason Merrill <jason@redhat.com>
3813 PR c++/82728 - wrong -Wunused-but-set-variable
3816 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3817 * decl.c (case_conversion): Likewise.
3818 * semantics.c (finish_static_assert): Call
3819 perform_implicit_conversion_flags.
3821 2018-01-11 Nathan Sidwell <nathan@acm.org>
3823 * method.c (enum mangling_flags): Delete long-dead enum.
3825 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3827 * parser.c (cp_parser_std_attribute_spec): When
3828 token_pair::require_open / require_close return false simply
3829 return error_mark_node, avoid duplicate cp_parser_error about
3830 expected '(' / ')', respectively.
3832 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3835 * call.c (null_ptr_cst_p): Strip location wrappers when
3836 converting from '0' to a pointer type in C++11 onwards.
3837 (conversion_null_warnings): Replace comparison with null_node with
3838 call to null_node_p.
3839 (build_over_call): Likewise.
3840 * cp-gimplify.c (cp_fold): Remove the early bailout when
3841 processing_template_decl.
3842 * cp-lang.c (selftest::run_cp_tests): Call
3843 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3844 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3845 (selftest::run_cp_tests): Move decl to bottom of file.
3846 (null_node_p): New inline function.
3847 (selftest::cp_pt_c_tests): New decl.
3848 (selftest::cp_tree_c_tests): New decl.
3849 * cvt.c (build_expr_type_conversion): Replace comparison with
3850 null_node with call to null_node_p.
3851 * error.c (args_to_string): Likewise.
3852 * except.c (build_throw): Likewise.
3853 * mangle.c (write_expression): Skip location wrapper nodes.
3854 * parser.c (literal_integer_zerop): New function.
3855 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3856 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3857 param of cp_parser_parenthesized_expression_list. When calling
3858 warn_for_memset, replace integer_zerop calls with
3859 literal_integer_zerop, eliminating the double logical negation
3860 cast to bool. Eliminate the special-casing for CONST_DECL in
3861 favor of the fold_for_warn within warn_for_memset.
3862 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3863 param, defaulting to false. Convert "expr" to a cp_expr, and call
3864 maybe_add_location_wrapper on it when wrap_locations_p is true.
3865 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3866 the result for RID_ALIGNOF and RID_SIZEOF.
3867 (cp_parser_builtin_offsetof): Likewise.
3868 * pt.c: Include "selftest.h".
3869 (tsubst_copy): Handle location wrappers.
3870 (tsubst_copy_and_build): Likewise.
3871 (build_non_dependent_expr): Likewise.
3872 (selftest::test_build_non_dependent_expr): New function.
3873 (selftest::cp_pt_c_tests): New function.
3874 * tree.c: Include "selftest.h".
3875 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3876 (selftest::test_lvalue_kind): New function.
3877 (selftest::cp_tree_c_tests): New function.
3878 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3879 (cp_build_binary_op): Replace comparison with null_node with call
3881 (build_address): Use location of operand when building address
3884 2018-01-10 Marek Polacek <polacek@redhat.com>
3887 * call.c (build_conditional_expr_1): Check complain before warning.
3888 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3889 -Wduplicated-branches.
3891 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3894 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3895 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3896 args uses and check number of operands too. Don't strip away any
3897 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3898 Deal with src argument not having pointer type. Check
3899 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3901 (build_over_call): Call maybe_warn_class_memaccess here on the
3903 (build_cxx_call): Rather than here on converted arguments.
3905 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3908 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3909 error_mark_node as second argument.
3911 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3914 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3915 in STATEMENT_LIST. Remove unneeded assert.
3917 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3918 Alan Hayward <alan.hayward@arm.com>
3919 David Sherwood <david.sherwood@arm.com>
3921 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3923 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3924 * call.c (build_conditional_expr_1): Likewise.
3925 * decl.c (cp_finish_decomp): Likewise.
3926 * mangle.c (write_type): Likewise.
3927 * typeck.c (structural_comptypes): Likewise.
3928 (cp_build_binary_op): Likewise.
3929 * typeck2.c (process_init_constructor_array): Likewise.
3931 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3934 * typeck.c (build_static_cast_1): For static casts to reference types,
3935 call build_base_path with flag_delete_null_pointer_checks as nonnull
3936 instead of always false. When -fsanitize=null, call
3937 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3938 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3939 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3941 2018-01-03 Nathan Sidwell <nathan@acm.org>
3944 * method.c (make_alias_for): Copy DECL_CONTEXT.
3946 2018-01-03 Marek Polacek <polacek@redhat.com>
3949 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3951 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3953 PR preprocessor/83602
3954 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3958 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3959 error_mark_node, return error_mark_node.
3961 Update copyright years.
3963 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3966 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3967 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3968 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3969 to false and return.
3970 (replace_placeholders): Pass NULL instead of &pset as last argument
3973 2018-01-02 Nathan Sidwell <nathan@acm.org>
3975 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3978 Copyright (C) 2018 Free Software Foundation, Inc.
3980 Copying and distribution of this file, with or without modification,
3981 are permitted in any medium without royalty provided the copyright
3982 notice and this notice are preserved.