1 2018-09-18 Nathan Sidwell <nathan@acm.org>
4 * name-lookup.c (check_local_shadow): Ignore auto types.
6 2018-09-17 David Malcolm <dmalcolm@redhat.com>
8 * error.c (range_label_for_type_mismatch::get_text): Update for
11 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
13 * typeck2.c (digest_init_r): Fix overlength strings.
15 2018-09-13 Ville Voutilainen <ville.voutilainen@gmail.com>
18 * method.c (constructible_expr): We're in an unevaluated context
19 in all cases, not just for class targets.
21 2018-09-12 David Malcolm <dmalcolm@redhat.com>
24 * call.c (struct conversion_info): Add "loc" field.
25 (arg_conversion_rejection): Add "loc" param, using it to
26 initialize the new field.
27 (bad_arg_conversion_rejection): Likewise.
28 (explicit_conversion_rejection): Initialize the new field to
30 (template_conversion_rejection): Likewise.
31 (add_function_candidate): Pass on the argument location to the new
32 param of arg_conversion_rejection.
33 (add_conv_candidate): Likewise.
34 (build_builtin_candidate): Likewise.
35 (build_user_type_conversion_1): Likewise.
36 (single_z_candidate): New function.
37 (maybe_get_bad_conversion_for_unmatched_call): New function.
38 (complain_about_bad_argument): New function, based on part of
39 convert_for_assignment.
40 (build_new_method_call_1): Split out handling of the "no viable
41 candidates" case into...
42 (complain_about_no_candidates_for_method_call): ...this new
43 function, and use the new functions above to special-case the
44 handling of a single non-viable candidate due to a bad argument.
45 * cp-tree.h (complain_about_bad_argument): New decl.
46 * typeck.c (convert_for_assignment): Split out one error-handling
47 case into complain_about_bad_argument.
49 2018-09-09 Cesar Philippidis <cesar@codesourcery.com>
50 Julian Brown <julian@codesourcery.com>
53 * semantics.c (finish_omp_clauses): Treat C++ references the same in
56 2018-08-28 Martin Liska <mliska@suse.cz>
58 * constexpr.c (cxx_eval_call_expression): Add quotes
59 to -fconstexpr-depth=.
61 2018-09-10 Marek Polacek <polacek@redhat.com>
63 * class.c (build_vtbl_ref): Remove.
64 (build_vtbl_ref_1): Rename to build_vtbl_ref.
65 (build_vfn_ref): Call build_vtbl_ref instead of build_vtbl_ref_1.
67 2018-09-08 Marek Polacek <polacek@redhat.com>
69 PR c++/87150 - wrong ctor with maybe-rvalue semantics.
70 * call.c (struct conversion): Update commentary.
71 (standard_conversion): Set rvaluedness_matches_p if LOOKUP_PREFER_RVALUE
74 2018-09-08 Jason Merrill <jason@redhat.com>
76 PR c++/86678 - constexpr function with non-constant after return.
77 * constexpr.c (potential_constant_expression_1): Add jump_target.
78 (breaks): Check for BREAK_STMT.
79 (continues): Check for CONTINUE_STMT.
81 2018-09-08 Marek Polacek <polacek@redhat.com>
83 * cxx-pretty-print.c (cxx_pretty_printer::statement) <case
84 RANGE_FOR_SMT>: Handle RANGE_FOR_INIT_STMT.
86 2018-09-07 Marek Polacek <polacek@redhat.com>
88 PR c++/87152 - range-based for loops with initializer broken in templates.
89 * constexpr.c (potential_constant_expression_1) <case RANGE_FOR_STMT>:
90 Recur into RANGE_FOR_INIT_STMT.
91 * cp-tree.def: Add RANGE_FOR_INIT_STMT to RANGE_FOR_STMT.
92 * cp-tree.h (RANGE_FOR_INIT_STMT): Define.
93 * dump.c (cp_dump_tree) <case RANGE_FOR_STMT>: Also dump
95 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Recur into
97 * semantics.c (begin_range_for_stmt): Adjust call to build_stmt.
98 Do put the init statement in RANGE_FOR_INIT_STMT.
99 (finish_range_for_decl): Pop it for templates.
101 2018-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
103 * decl.c (check_initializer): Call cp_complete_array_type.
105 2018-09-05 Marek Polacek <polacek@redhat.com>
107 PR c++/87109, wrong overload with ref-qualifiers.
108 * call.c (build_user_type_conversion_1): Use NULL instead of 0. Bail
109 out if performing the maybe-rvalue overload resolution and a conversion
110 function is getting called.
112 PR c++/86982, -Wreturn-local-addr and std::move and std::forward.
113 * typeck.c (maybe_warn_about_returning_address_of_local): Handle calls
114 to std::move or std::forward.
115 (is_std_forward_p): New function.
117 2018-09-05 Pádraig Brady <p@draigbrady.com>
120 * lambda.c (prune_lambda_captures): Protect against const_vars.get
123 2018-09-04 Marek Polacek <polacek@redhat.com>
125 * cp-tree.h (treat_lvalue_as_rvalue_p): Declare.
126 * except.c (build_throw): Use it. Use CP_TYPE_VOLATILE_P.
127 * typeck.c (treat_lvalue_as_rvalue_p): No longer static. Add PARM_OK
129 (maybe_warn_pessimizing_move): Adjust treat_lvalue_as_rvalue_p call.
130 (check_return_expr): Likewise.
132 2018-09-03 Paolo Carlini <paolo.carlini@oracle.com>
135 * constraint.cc (finish_shorthand_constraint): Early return if the
136 constraint is erroneous.
138 2018-09-02 Bernd Edlinger <bernd.edlinger@hotmail.de>
140 * decl.c (eval_check_narrowing): Remove.
141 (check_initializer): Move call to braced_list_to_string from here ...
142 * typeck2.c (store_init_value): ... to here.
143 (digest_init_r): Remove handing of signed/unsigned char strings.
145 2018-08-31 Nathan Sidwell <nathan@acm.org>
149 * name-lookup.c (name_lookup::search_namespace): Don't look at
150 inlines when searching for NULL names.
152 * decl.c (decls_match): Remove SYSTEM_IMPLICIT_EXTERN_C matching
153 of return types and parms.
154 * parser.c (cp_parser_parameter_declaration_clause): Likewise,
155 '()' always means '(void)'.
157 2018-08-29 Jakub Jelinek <jakub@redhat.com>
160 * decl.c (begin_destructor_body): If current_class_type has
161 virtual bases and the primary base is nearly empty virtual base,
162 voidify clearing of vptr and make it conditional on in-charge
165 2018-08-29 Paolo Carlini <paolo.carlini@oracle.com>
168 * parser.c (cp_parser_introduction_list): If cp_parser_identifier
169 returns error_mark_node early exit the loop.
170 (cp_parser_template_introduction): Improve error-recovery, remove
171 error call about empty introduction-list.
173 2018-08-29 David Malcolm <dmalcolm@redhat.com>
176 * call.c (print_conversion_rejection): Add "fn" param and use it
177 for "no known conversion" messages to underline the pertinent
179 (print_z_candidate): Supply "fn" to the new param above.
181 2018-08-29 Jakub Jelinek <jakub@redhat.com>
184 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: If
185 processing_template_decl and decl is structured binding decl, call
188 2018-08-28 Paolo Carlini <paolo.carlini@oracle.com>
191 * decl.c (finish_case_label): If the type is erroneous early
192 return error_mark_node.
194 2018-08-27 David Malcolm <dmalcolm@redhat.com>
197 * parser.c (cp_parser_diagnose_invalid_type_name): Add fix-it
200 2018-08-27 Jakub Jelinek <jakub@redhat.com>
203 * cp-tree.h (cxx_readonly_error): Add location_t argument.
204 * typeck2.c (cxx_readonly_error): Add LOC argument, pass it to
205 ERROR_FOR_ASSIGNMENT macro and readonly_error. Add LOC argument
206 to ERROR_FOR_ASSIGNMENT macro, use error_at instead of error and
207 pass LOC to it. Formatting fixes.
208 * typeck.c (cp_build_unary_op): Pass location to cxx_readonly_error.
209 (cp_build_modify_expr): Pass loc to cxx_readonly_error.
210 * semantics.c (finish_asm_stmt): Pass input_location to
213 2018-08-27 David Malcolm <dmalcolm@redhat.com>
216 * decl.c (grokdeclarator): Update for conversion of show_caret_p
218 * error.c (cp_printer): Likewise.
219 * name-lookup.c (maybe_suggest_missing_std_header): Update call to
220 maybe_add_include_fixit to suggest overriding the location, as it
222 * parser.c (cp_parser_string_literal): Update for conversion of
223 show_caret_p to a tri-state.
224 (cp_parser_elaborated_type_specifier): Likewise.
225 (set_and_check_decl_spec_loc): Likewise.
226 * pt.c (listify): Update call to maybe_add_include_fixit to not
227 override the location, as it is for an error.
228 * rtti.c (typeid_ok_p): Likewise.
230 2018-08-27 Martin Liska <mliska@suse.cz>
232 * call.c (build_call_a): Use new function
233 fndecl_built_in_p and remove check for FUNCTION_DECL if
235 (build_cxx_call): Likewise.
236 * constexpr.c (constexpr_fn_retval): Likewise.
237 (cxx_eval_builtin_function_call): Likewise.
238 (cxx_eval_call_expression): Likewise.
239 (potential_constant_expression_1): Likewise.
240 * cp-gimplify.c (cp_gimplify_expr): Likewise.
242 * decl.c (decls_match): Likewise.
243 (validate_constexpr_redeclaration): Likewise.
244 (duplicate_decls): Likewise.
245 (make_rtl_for_nonlocal_decl): Likewise.
246 * name-lookup.c (consider_binding_level): Likewise.
247 (cp_emit_debug_info_for_using): Likewise.
248 * semantics.c (finish_call_expr): Likewise.
249 * tree.c (builtin_valid_in_constant_expr_p): Likewise.
251 2018-08-26 Marek Polacek <polacek@redhat.com>
254 * typeck.c (maybe_warn_pessimizing_move): Do nothing in a template.
256 PR c++/87029, Implement -Wredundant-move.
257 * typeck.c (treat_lvalue_as_rvalue_p): New function.
258 (maybe_warn_pessimizing_move): Call convert_from_reference.
259 Warn about redundant moves.
261 2018-08-24 Marek Polacek <polacek@redhat.com>
265 * decl.c (grokdeclarator): Disallow functions with trailing return
266 type with decltype(auto) as its type. Also check the function if
267 it's inner declarator doesn't exist
269 2018-08-21 Marek Polacek <polacek@redhat.com>
272 * parser.c (cp_parser_lambda_introducer): Give error if a non-local
273 lambda has a capture-default.
275 2018-08-21 Paolo Carlini <paolo.carlini@oracle.com>
277 * decl.c (check_static_variable_definition): Change to return void.
279 2018-08-21 Marek Polacek <polacek@redhat.com>
281 PR c++/86981, Implement -Wpessimizing-move.
282 * typeck.c (decl_in_std_namespace_p): New.
283 (is_std_move_p): New.
284 (maybe_warn_pessimizing_move): New.
285 (can_do_nrvo_p): New, factored out of ...
286 (check_return_expr): ... here. Warn about potentially harmful
287 std::move in a return statement.
290 * call.c (standard_conversion): Set check_narrowing.
291 * typeck2.c (check_narrowing): Use CP_INTEGRAL_TYPE_P rather
292 than comparing with INTEGER_TYPE.
294 * cp-tree.h: Fix typo.
296 2018-08-20 David Malcolm <dmalcolm@redhat.com>
299 * call.c (build_user_type_conversion_1): Add auto_diagnostic_group
301 (print_error_for_call_failure): Likewise.
302 (build_op_call_1): Likewise.
303 (build_conditional_expr_1): Likewise.
304 (build_new_op_1): Likewise.
305 (build_op_delete_call): Likewise.
306 (convert_like_real): Likewise.
307 (build_over_call): Likewise.
308 (build_new_method_call_1): Likewise.
310 * class.c (check_tag): Likewise.
311 (finish_struct_anon_r): Likewise.
312 (one_inherited_ctor): Likewise.
313 (finalize_literal_type_property): Likewise.
314 (explain_non_literal_class): Likewise.
315 (find_flexarrays): Likewise.
316 (resolve_address_of_overloaded_function): Likewise.
317 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
318 (is_valid_constexpr_fn): Likewise.
319 (cx_check_missing_mem_inits): Likewise.
320 * cp-gimplify.c (cp_genericize_r): Likewise.
321 * cvt.c (maybe_warn_nodiscard): Likewise.
322 * decl.c (warn_extern_redeclared_static): Likewise.
323 (check_redeclaration_exception_specification): Likewise.
324 (check_no_redeclaration_friend_default_args): Likewise.
325 (duplicate_decls): Likewise.
326 (redeclaration_error_message): Likewise.
327 (warn_misplaced_attr_for_class_type): Likewise.
328 * decl2.c (finish_static_data_member_decl): Likewise.
329 (no_linkage_error): Likewise.
330 (cp_warn_deprecated_use): Likewise.
331 * error.c (qualified_name_lookup_error): Likewise.
332 * friend.c (make_friend_class): Likewise.
333 (do_friend): Likewise.
334 * init.c (perform_member_init): Likewise.
335 (build_new_1): Likewise.
336 (build_vec_delete_1): Likewise.
337 (build_delete): Likewise.
338 * lex.c (unqualified_name_lookup_error): Likewise.
339 * name-lookup.c (check_extern_c_conflict): Likewise.
340 (inform_shadowed): New function.
341 (check_local_shadow): Add auto_diagnostic_group instances,
342 replacing goto "inform_shadowed" label with call to subroutine.
343 (set_local_extern_decl_linkage): Add auto_diagnostic_group
345 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
346 (cp_parser_namespace_name): Likewise.
347 * pt.c (check_specialization_namespace): Likewise.
348 (check_template_variable): Likewise.
349 (warn_spec_missing_attributes): Likewise.
350 (check_explicit_specialization): Likewise.
351 (process_partial_specialization): Likewise.
352 (lookup_template_class_1): Likewise.
353 (finish_template_variable): Likewise.
354 (do_auto_deduction): Likewise.
355 * search.c (check_final_overrider): Likewise.
356 (look_for_overrides_r): Likewise.
357 * tree.c (maybe_warn_parm_abi): Likewise.
358 * typeck.c (cxx_sizeof_expr): Likewise.
359 (cp_build_function_call_vec): Likewise.
360 (cp_build_binary_op): Likewise.
361 (convert_for_assignment): Likewise.
362 (maybe_warn_about_returning_address_of_local): Likewise.
363 * typeck2.c (abstract_virtuals_error_sfinae): Likewise.
364 (check_narrowing): Likewise.
366 2018-08-17 David Malcolm <dmalcolm@redhat.com>
368 * typeck.c (string_conv_p): Extract location from EXP and use it
369 in preference to input_location when issuing warnings.
371 2018-08-15 David Malcolm <dmalcolm@redhat.com>
373 * call.c: Include "gcc-rich-location.h".
374 (convert_like_real): Add range label for "invalid conversion"
376 (perform_implicit_conversion_flags): Add type label to the
377 "could not convert" error.
378 * error.c: Include "gcc-rich-location.h".
379 (range_label_for_type_mismatch::get_text): New function.
380 * typeck.c (convert_for_assignment): Add type label to
381 the "cannot convert" error if a location is available.
383 2018-08-15 Paolo Carlini <paolo.carlini@oracle.com>
385 * decl.c (check_previous_goto_1): When decl_jump_unsafe returns 2
386 emit an error instead of a permerror.
388 2018-08-13 Marek Polacek <polacek@redhat.com>
391 * call.c (struct conversion): Add check_narrowing_const_only.
392 (build_converted_constant_expr): Set check_narrowing and
393 check_narrowing_const_only. Give error if expr is error node.
394 (convert_like_real): Pass it to check_narrowing.
395 * cp-tree.h (check_narrowing): Add a default parameter.
396 * decl.c (compute_array_index_type): Use input_location instead of
398 * pt.c (convert_nontype_argument): Return NULL_TREE if tf_error.
399 * typeck2.c (check_narrowing): Don't warn for instantiation-dependent
400 expressions. Call maybe_constant_value instead of
401 fold_non_dependent_expr. Don't mention { } in diagnostic. Only check
402 narrowing for constants if CONST_ONLY.
404 2018-08-13 Martin Sebor <msebor@redhat.com>
406 PR tree-optimization/71625
407 * decl.c (check_initializer): Call braced_list_to_string.
408 (eval_check_narrowing): New function.
409 * gcc/cp/typeck2.c (digest_init_r): Accept strings literals
410 as initilizers for all narrow character types.
412 2018-08-13 Marek Polacek <polacek@redhat.com>
414 P0806R2 - Deprecate implicit capture of this via [=]
415 * lambda.c (add_default_capture): Formatting fixes. Warn about
416 deprecated implicit capture of this via [=].
419 * decl.c (create_array_type_for_decl): Handle null name.
421 2018-08-10 Jason Merrill <jason@redhat.com>
423 PR c++/86728 - C variadic generic lambda.
424 * parser.c (cp_parser_parameter_declaration): Don't turn 'auto' into
425 a pack if it's followed by a declarator-id.
427 2018-08-08 Jakub Jelinek <jakub@redhat.com>
429 P0595R1 - is_constant_evaluated
430 * cp-tree.h (enum cp_built_in_function): New.
431 (maybe_constant_init): Add pretend_const_required argument.
432 * typeck2.c (store_init_value): Pass true as new argument to
434 * constexpr.c (constexpr_fn_retval): Check also DECL_BUILT_IN_CLASS
435 for BUILT_IN_UNREACHABLE.
436 (struct constexpr_ctx): Add pretend_const_required field.
437 (cxx_eval_builtin_function_call): Use DECL_IS_BUILTIN_CONSTANT_P
438 macro. Handle CP_BUILT_IN_IS_CONSTANT_EVALUATED. Check also
439 DECL_BUILT_IN_CLASS for BUILT_IN_UNREACHABLE.
440 (cxx_eval_outermost_constant_expr): Add pretend_const_required
441 argument, initialize pretend_const_required field in ctx. If the
442 result is TREE_CONSTANT and non_constant_p, retry with
443 pretend_const_required false if it was true.
444 (is_sub_constant_expr): Initialize pretend_const_required_field in
446 (cxx_constant_value): Pass true as pretend_const_required to
447 cxx_eval_outermost_constant_expr.
448 (maybe_constant_value): Pass false as pretend_const_required to
449 cxx_eval_outermost_constant_expr.
450 (fold_non_dependent_expr): Likewise.
451 (maybe_constant_init_1): Add pretend_const_required argument, pass it
452 down to cxx_eval_outermost_constant_expr. Pass !allow_non_constant
453 instead of false as strict to cxx_eval_outermost_constant_expr.
454 (maybe_constant_init): Add pretend_const_required argument, pass it
455 down to maybe_constant_init_1.
456 (cxx_constant_init): Pass true as pretend_const_required to
457 maybe_constant_init_1.
458 * cp-gimplify.c (cp_gimplify_expr): Handle CALL_EXPRs to
459 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
460 (cp_fold): Don't fold CP_BUILT_IN_IS_CONSTANT_EVALUATED calls.
461 * decl.c: Include langhooks.h.
462 (cxx_init_decl_processing): Register __builtin_is_constant_evaluated
464 * tree.c (builtin_valid_in_constant_expr_p): Return true for
465 CP_BUILT_IN_IS_CONSTANT_EVALUATED.
466 * pt.c (declare_integer_pack): Initialize DECL_FUNCTION_CODE.
469 * pt.c (tsubst_expr): For structured bindings, call tsubst_decomp_names
470 before tsubst_init, not after it.
473 * constexpr.c (cxx_eval_binary_expression): For arithmetics involving
474 NULL pointer set *non_constant_p to true.
475 (cxx_eval_component_reference): For dereferencing of a NULL pointer,
476 set *non_constant_p to true and return t.
478 2018-08-07 Paolo Carlini <paolo.carlini@oracle.com>
481 * decl.c (check_no_redeclaration_friend_default_args): New.
482 (duplicate_decls): Use the latter; also check that a friend
483 declaration specifying default arguments is a definition.
485 2018-08-07 Ville Voutilainen <ville.voutilainen@gmail.com>
488 * name-lookup.c (check_local_shadow): Reject captures and parameters
491 2018-08-06 Marek Polacek <polacek@redhat.com>
494 * constexpr.c (cxx_eval_statement_list): Handle continue.
496 2018-08-03 David Malcolm <dmalcolm@redhat.com>
497 Jonathan Wakely <jwakely@redhat.com>
499 * decl.c: Include "gcc-rich-location.h".
500 (add_return_star_this_fixit): New function.
501 (finish_function): When warning about missing return statements in
502 functions returning non-void, add a "return *this;" fix-it hint for
503 assignment operators.
505 2018-08-03 Jason Merrill <jason@redhat.com>
508 * class.c (build_base_path): Use currently_open_class.
510 2018-08-02 David Malcolm <dmalcolm@redhat.com>
512 * error.c (cxx_print_error_function): Duplicate "file" before
513 passing it to pp_set_prefix.
514 (cp_print_error_function): Use pp_take_prefix when saving the
517 2018-08-02 Richard Biener <rguenther@suse.de>
520 * class.c (layout_class_type): Copy TYPE_TYPELESS_STORAGE
521 to the CLASSTYPE_AS_BASE.
523 2018-08-01 Martin Sebor <msebor@redhat.com>
525 PR tree-optimization/86650
526 * error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
527 TREE_BLOCK (t) from within percent_K_format to this callsite.
529 2018-08-01 Paolo Carlini <paolo.carlini@oracle.com>
532 * class.c (note_name_declared_in_class): Use location_of in permerror
533 instead of DECL_SOURCE_LOCATION (for OVERLOADs).
535 2018-07-31 Tom de Vries <tdevries@suse.de>
538 * optimize.c (update_cloned_parm): Copy DECL_BY_REFERENCE.
540 2018-07-31 Jakub Jelinek <jakub@redhat.com>
542 P1008R1 - prohibit aggregates with user-declared constructors
543 * class.c (check_bases_and_members): For C++2a set
544 CLASSTYPE_NON_AGGREGATE based on TYPE_HAS_USER_CONSTRUCTOR rather than
545 type_has_user_provided_or_explicit_constructor.
547 2018-07-31 Martin Liska <mliska@suse.cz>
550 * parser.c (cp_parser_condition): Initialize non_constant_p
553 2018-07-28 David Malcolm <dmalcolm@redhat.com>
555 * error.c (cp_printer): In the leading comment, move "%H" and "%I"
556 into alphabetical order, and add missing "%G" and "%K". Within
557 the switch statement, move cases 'G', 'H', 'I' and 'K' so that the
558 cases are in alphabetical order.
560 2018-07-25 Jakub Jelinek <jakub@redhat.com>
562 * cp-tree.h (enum cp_tree_index): Add
563 CPTI_{ABI_TAG,ALIGNED,BEGIN,END,GET,TUPLE_{ELEMENT,SIZE}}_IDENTIFIER
564 and CPTI_{GNU,TYPE,VALUE,FUN,CLOSURE}_IDENTIFIER.
565 (abi_tag_identifier, aligned_identifier, begin_identifier,
566 end_identifier, get__identifier, gnu_identifier,
567 tuple_element_identifier, tuple_size_identifier, type_identifier,
568 value_identifier, fun_identifier, closure_identifier): Define.
569 * decl.c (initialize_predefined_identifiers): Initialize the above
571 (get_tuple_size): Use tuple_size_identifier instead of
572 get_identifier ("tuple_size") and value_identifier instead of
573 get_identifier ("value").
574 (get_tuple_element_type): Use tuple_element_identifier instead of
575 get_identifier ("tuple_element") and type_identifier instead of
576 get_identifier ("type").
577 (get_tuple_decomp_init): Use get__identifier instead of
578 get_identifier ("get").
579 * lambda.c (maybe_add_lambda_conv_op): Use fun_identifier instead of
580 get_identifier ("_FUN").
581 * parser.c (cp_parser_lambda_declarator_opt): Use closure_identifier
582 instead of get_identifier ("__closure").
583 (cp_parser_std_attribute): Use gnu_identifier instead of
584 get_identifier ("gnu").
585 (cp_parser_std_attribute_spec): Likewise. Use aligned_identifier
586 instead of get_identifier ("aligned").
587 * class.c (check_abi_tags, inherit_targ_abi_tags): Use
588 abi_tag_identifier instead of get_identifier ("abi_tag").
591 * cp-tree.h (enum cp_tree_index): Add
592 CPTI_FOR_{RANGE,BEGIN,END}{,_}_IDENTIFIER.
593 (for_range__identifier, for_begin__identifier, for_end__identifier,
594 for_range_identifier, for_begin_identifier, for_end_identifier):
596 * decl.c (initialize_predefined_identifiers): Initialize
597 for_{range,begin,end}{,_}_identifier.
598 * parser.c (build_range_temp): Use for_range__identifier instead of
599 get_identifier ("__for_range").
600 (cp_convert_range_for): Use for_begin__identifier and
601 for_end__identifier instead of get_identifier ("__for_begin") and
602 get_identifier ("__for_end").
603 * semantics.c (finish_for_stmt): Rename "__for_{range,begin,end} "
604 local symbols to "__for_{range,begin,end}".
606 2018-07-23 Jakub Jelinek <jakub@redhat.com>
609 * cp-gimplify.c (cp_fold): Don't fold comparisons into other kind
610 of expressions other than INTEGER_CST regardless of TREE_NO_WARNING
611 or warn_nonnull_compare.
613 2018-07-19 Paolo Carlini <paolo.carlini@oracle.com>
615 Revert fix for c++/59480 (and testsuite followup)
617 2019-07-18 Paolo Carlini <paolo.carlini@oracle.com>
620 * decl.c (check_no_redeclaration_friend_default_args): New.
621 (duplicate_decls): Use the latter; also check that a friend
622 declaration specifying default arguments is a definition.
624 2018-07-18 Jakub Jelinek <jakub@redhat.com>
627 * parser.c (cp_parser_decl_specifier_seq): Diagnose invalid type
628 specifier if CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR.
630 2018-07-18 Marek Polacek <polacek@redhat.com>
632 PR c++/86190 - bogus -Wsign-conversion warning
633 * typeck.c (cp_build_binary_op): Fix formatting. Add a warning
636 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
639 * decl.c (check_no_redeclaration_friend_default_args): New.
640 (duplicate_decls): Use the latter; also check that a friend
641 declaration specifying default arguments is a definition.
643 2018-07-18 Paolo Carlini <paolo.carlini@oracle.com>
645 * class.c (note_name_declared_in_class): Prefer permerror + inform
646 to a pair of permerrors; use DECL_SOURCE_LOCATION.
648 2018-07-18 Richard Biener <rguenther@suse.de>
651 * decl2.c (c_parse_final_cleanups): Call write_out_vars before
652 start_static_storage_duration_function sets current_function_decl.
654 2018-07-17 Jason Merrill <jason@redhat.com>
656 PR c++/86480 - nested variadic lambda and constexpr if.
657 * pt.c (find_parameter_packs_r) [IF_STMT]: Don't walk into
659 * tree.c (cp_walk_subtrees) [DECLTYPE_TYPE]: Set
660 cp_unevaluated_operand.
661 [ALIGNOF_EXPR] [SIZEOF_EXPR] [NOEXCEPT_EXPR]: Likewise.
663 2018-07-16 Paolo Carlini <paolo.carlini@oracle.com>
665 * class.c (resolve_address_of_overloaded_function): Don't emit an
666 inform if the matching permerror returns false.
667 * pt.c (check_specialization_namespace): Likewise.
669 2018-07-16 Jakub Jelinek <jakub@redhat.com>
673 * cp-gimplify.c (cp_genericize_r): When using extern_decl_map, or
674 in TREE_USED flag from stmt to h->to.
676 2018-07-13 Nathan Sidwell <nathan@acm.org>
679 * pt.c (lookup_template_class_1): Use tsubst_aggr_type for
680 contexts that are classes.
681 * parser.c (cp_parser_template_id): Combine entering_scope decl &
684 2018-07-12 Jakub Jelinek <jakub@redhat.com>
686 * decl2.c (cplus_decl_attributes): Don't diagnose vars without mappable
687 type here, instead add "omp declare target implicit" attribute. Add
688 that attribute instead of "omp declare target" also when
689 processing_template_decl.
690 * decl.c (cp_finish_decl): Diagnose vars without mappable type here,
691 and before calling cp_omp_mappable_type call complete_type.
693 2018-07-10 Jakub Jelinek <jakub@redhat.com>
696 * cp-gimplify.c (cp_maybe_instrument_return): Skip trailing
700 * semantics.c (handle_omp_for_class_iterator): Remove lastp argument,
701 instead of setting *lastp turn orig_declv elt into a TREE_LIST.
702 (finish_omp_for): Adjust handle_omp_for_class_iterator caller.
703 * pt.c (tsubst_omp_for_iterator): Allow OMP_FOR_ORIG_DECLS to contain
704 TREE_LIST for both the original class iterator and the "last" helper
707 2018-07-09 Paolo Carlini <paolo.carlini@oracle.com>
709 * decl.c (grokdeclarator): Use rich_location::add_range in three
710 more places; include gcc-rich-location.h.
712 2018-07-07 Aldy Hernandez <aldyh@redhat.com>
714 * decl.c (build_enumerator): Change overflow type to overflow_type.
715 * init.c (build_new_1): Same.
717 2018-07-05 Nathan Sidwell <nathan@acm.org>
719 * cp/decl.c (decls_match): Check SYSTEM_IMPLICIT_EXTERN_C not
720 NO_IMPLICIT_EXTERN_C.
721 * cp/parser.c (cp_parser_parameter_declaration_clause): Likewise.
723 2018-07-04 Ville Voutilainen <ville.voutilainen@gmail.com>
726 * method.c (is_trivially_xible): Return false
727 if is_xible_helper returns a NULL_TREE.
729 2018-07-03 Paolo Carlini <paolo.carlini@oracle.com>
731 * decl.c (min_location): New.
732 (smallest_type_quals_location): Use the latter.
733 (check_concept_fn): Use DECL_SOURCE_LOCATION.
734 (grokdeclarator): Use accurate locations in a number of error
735 messages involving ds_thread, ds_storage_class, ds_virtual,
736 ds_constexpr, ds_typedef and ds_friend; exploit min_location.
738 2018-07-03 Marek Polacek <polacek@redhat.com>
741 * typeck.c (cp_build_binary_op): Check c_inhibit_evaluation_warnings.
743 2018-07-03 Jason Merrill <jason@redhat.com>
745 PR c++/86378 - functional cast in noexcept-specifier.
746 * tree.c (strip_typedefs_expr) [TREE_LIST]: Fix iteration.
748 2018-07-02 Paolo Carlini <paolo.carlini@oracle.com>
750 * parser.c (set_and_check_decl_spec_loc): Use rich_location::add_range
751 in error message about __thread and thread_local at the same time.
753 2018-06-29 Marek Polacek <polacek@redhat.com>
756 * tree.c (cp_save_expr): Don't call save_expr for TARGET_EXPRs.
758 2018-06-28 David Malcolm <dmalcolm@redhat.com>
760 * parser.c (cp_parser_error_1): After issuing a conflict marker
761 error, consume tokens until the end of the source line.
763 2018-06-28 Jason Merrill <jason@redhat.com>
765 PR c++/86342 - -Wdeprecated-copy and system headers.
766 * decl2.c (cp_warn_deprecated_use): Don't warn about declarations
769 2018-06-27 David Malcolm <dmalcolm@redhat.com>
772 * name-lookup.c (consider_binding_level): Filter out names that
773 match anon_aggrname_p.
775 2018-06-27 Jason Merrill <jason@redhat.com>
777 * name-lookup.c (do_pushtag): If we skip a class level, also skip
780 2018-06-26 Jason Merrill <jason@redhat.com>
782 PR c++/86320 - memory-hog with std::array of pair
783 * typeck2.c (process_init_constructor_array): Only compute a
784 constant initializer once.
786 PR c++/80290 - memory-hog with std::pair.
787 * pt.c (fn_type_unification): Add convs parameter.
788 (check_non_deducible_conversion): Remember conversion.
789 (check_non_deducible_conversions): New. Do checks here.
790 (type_unification_real): Not here. Remove flags parm.
791 * call.c (add_function_candidate): Make convs a parameter.
792 Don't recalculate the conversion if it's already set.
793 (add_template_candidate_real): Allocate convs here.
794 (good_conversion, conv_flags): New.
796 2018-06-26 Jakub Jelinek <jakub@redhat.com>
799 * parser.c (cp_parser_omp_for_loop_init): Change for_block argument
800 type from vec<tree, va_gc> * to vec<tree, va_gc> *&.
802 2018-06-23 Paolo Carlini <paolo.carlini@oracle.com>
804 * decl.c (bad_specifiers): Add const location_t* parameter and
805 use locations in error messages about 'inline' and 'virtual'.
806 (mark_inline_variable): Add location_t parameter and use it in
807 error_at and pedwarn messages.
808 (grokdeclarator): Use declspecs->locations[ds_constexpr],
809 declspecs->locations[ds_concept], declspecs->locations[ds_virtual],
810 declspecs->locations[ds_inline] in many error messages; adjust
811 bad_specifiers and mark_inline_variable calls.
812 (grokvardecl): Use declspecs->locations[ds_concept] in error message.
814 2018-06-22 Jason Merrill <jason@redhat.com>
816 PR c++/86219 - ICE with erroneous initializer in template.
817 * constexpr.c (fold_non_dependent_expr): Add complain parm.
818 * call.c, expr.c, init.c, pt.c, semantics.c, typeck.c, typeck2.c:
820 * call.c (build_cxx_call): Don't mess with builtins in a template.
821 * typeck2.c (store_init_value): If fold_non_dependent_expr didn't
822 produce a constant value, go back to the uninstantiated form.
824 Avoid taking the address of something just because it's in parens.
825 * constexpr.c (same_type_ignoring_tlq_and_bounds_p): New.
826 (cxx_fold_indirect_ref): Use it.
827 (cxx_eval_constant_expression) [VIEW_CONVERT_EXPR]: Use it.
828 * cp-tree.h (REF_PARENTHESIZED_P): Allow VIEW_CONVERT_EXPR.
829 * semantics.c (force_paren_expr): Use VIEW_CONVERT_EXPR instead of
830 static_cast to reference type.
831 (maybe_undo_parenthesized_ref): Handle VIEW_CONVERT_EXPR.
833 2018-06-21 Jason Merrill <jason@redhat.com>
835 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Use TEMPLATE_PARM_DESCENDANTS.
837 * name-lookup.c (do_push_to_top_level): Don't allocate
839 (do_pop_from_top_level): Release current_lang_base.
841 Let -fmem-report see callers of cxx_make_type.
842 * lex.c (cxx_make_type): Add MEM_STAT_DECL.
843 (make_class_type): Likewise.
844 (cxx_make_type_hook): New.
845 * cp-objcp-common.h (LANG_HOOKS_MAKE_TYPE): Use cxx_make_type_hook.
847 2018-06-20 Nathan Sidwell <nathan@acm.org>
850 * friend.c (add_friend): Keep lookup sets of tempate sets.
852 2018-06-20 Paolo Carlini <paolo.carlini@oracle.com>
854 * decl.c (grokfndecl): Add const cp_decl_specifier_seq* parameter;
855 tidy handling of a null location_t argument; use proper location
856 information in a few additional error messages.
857 (grokdeclarator): Update calls.
859 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
860 Thomas Schwinge <thomas@codesourcery.com>
861 Cesar Philippidis <cesar@codesourcery.com>
863 * parser.c (cp_parser_omp_clause_name): Add support for finalize
864 and if_present. Make present_or_{copy,copyin,copyout,create} aliases
865 to their non-present_or_* counterparts. Make 'self' an alias to
866 PRAGMA_OACC_CLAUSE_HOST.
867 (cp_parser_oacc_data_clause): Update GOMP mappings for
868 PRAGMA_OACC_CLAUSE_{COPY,COPYIN,COPYOUT,CREATE,DELETE}. Remove
869 PRAGMA_OACC_CLAUSE_{SELF,PRESENT_OR_*}.
870 (cp_parser_oacc_all_clauses): Handle finalize and if_present clauses.
871 Remove support for present_or_* clauses.
872 (OACC_KERNELS_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
873 (OACC_PARALLEL_CLAUSE_MASK): Likewise.
874 (OACC_DECLARE_CLAUSE_MASK): Likewise.
875 (OACC_DATA_CLAUSE_MASK): Likewise.
876 (OACC_ENTER_DATA_CLAUSE_MASK): Remove PRESENT_OR_* clauses.
877 (OACC_EXIT_DATA_CLAUSE_MASK): Add FINALIZE clause.
878 (OACC_UPDATE_CLAUSE_MASK): Remove SELF, add IF_PRESENT.
879 (cp_parser_oacc_declare): Remove PRESENT_OR_* clauses.
880 * pt.c (tsubst_omp_clauses): Handle IF_PRESENT and FINALIZE.
881 * semantics.c (finish_omp_clauses): Handle IF_PRESENT and FINALIZE.
883 2018-06-20 Marek Polacek <polacek@redhat.com>
886 * constexpr.c (cxx_eval_constant_expression): Handle ABSU_EXPR.
887 (fold_simple_1): Likewise.
888 * error.c (dump_expr): Likewise.
890 2018-06-20 Nathan Sidwell <nathan@acm.org>
893 * cp-tree.h (lookup_keep): Drop KEEP parm.
894 (lookup_list_keep): Delete.
895 (maybe_get_fns): Declare.
896 * parser.c (cp_parser_primary_expression): Call lookup_keep here.
897 (cp_parser_template_id): Not here ...
898 * decl.c (cp_finish_decl): ... nor here ...
899 * init.c (build_raw_new_expr): ... nor here ...
900 * pt.c (process_template_parm): ... nor here ...
901 * semantics.c (perform_koenig_lookup): Call lookup_keep.
902 (finish_call_expr): Not here.
903 * tree.c (ovl_cache): Delete.
904 (ovl_make, ovl_copy): No cache.
905 (lookup_keep): Always keep.
906 (lookup_list_keep): Delete.
907 (maybe_get_fns): New, broken out of ...
908 (get_fns): ... here. Call it.
909 (built_min_nt_loc, build_min, build_min_non_dep): Drop lookup_keep.
910 (build_min_nt_call_vec): Likewise.
912 2018-06-19 Jason Merrill <jason@redhat.com>
914 * cp-tree.h (CONSTRUCTOR_NO_IMPLICIT_ZERO): Remove.
915 * constexpr.c: Use CONSTRUCTOR_NO_CLEARING instead.
917 PR c++/86182 - ICE with anonymous union passed to template.
918 * pt.c (tsubst_expr) [DECL_EXPR]: Handle an anonymous union type
919 used to declare a named variable.
921 2018-06-18 Jason Merrill <jason@redhat.com>
923 * tree.c (cp_expr_location): New.
924 * cp-tree.h (cp_expr_loc_or_loc): New.
925 * call.c, cvt.c, constexpr.c, constraint.cc, cp-gimplify.c, decl.c,
926 error.c, init.c, lex.c, parser.c, pt.c, semantics.c, typeck.c,
927 typeck2.c: Use it instead of EXPR_LOC_OR_LOC.
929 * parser.c (cp_parser_lambda_expression): Use a range for
930 LAMBDA_EXPR_LOCATION.
932 PR c++/86200 - ICE with unexpanded pack in lambda parameter.
933 * pt.c (find_parameter_packs_r) [LAMBDA_EXPR]: Also look into the
936 PR c++/81060 - ICE with unexpanded parameter pack.
937 * pt.c (check_for_bare_parameter_packs): Add loc parameter.
938 * decl.c (grokdeclarator): Call it for qualifying_scope.
940 PR c++/86171 - ICE with recursive alias instantiation.
941 * pt.c (tsubst_decl): Handle recursive alias instantiation.
943 2018-06-18 Paolo Carlini <paolo.carlini@oracle.com>
945 * decl.c (duplicate_decls): Consistently use DECL_SOURCE_LOCATION
946 in errors about redefined default arguments; tidy.
948 2018-06-16 Kugan Vivekanandarajah <kuganv@linaro.org>
950 * constexpr.c (potential_constant_expression_1): Handle ABSU_EXPR.
951 * cp-gimplify.c (cp_fold): Likewise.
953 2018-06-15 Jason Merrill <jason@redhat.com>
955 PR c++/86147 - wrong capture for template argument.
956 * expr.c (mark_use): Look through NOP_EXPR.
958 * name-lookup.c (do_pushtag): Don't look through complete types, but
959 don't add to them either. Get context from current_binding_level.
960 * pt.c (tsubst_default_argument): Use push_to/pop_from_top_level.
962 * decl.c (start_enum): Do compare dependent underlying type.
964 PR c++/82882 - ICE with lambda in template default argument.
965 * lambda.c (record_null_lambda_scope): New.
966 * pt.c (tsubst_lambda_expr): Use it.
967 * name-lookup.c (do_pushtag): Don't give a lambda DECL_CONTEXT of a
968 function that isn't open.
970 * tree.c (maybe_warn_parm_abi): Inform the location of the class.
972 2018-06-14 Marek Polacek <polacek@redhat.com>
975 * decl2.c (cp_check_const_attributes): Skip trees that are not
978 2018-06-14 Jakub Jelinek <jakub@redhat.com>
980 P0624R2 - Default constructible and assignable stateless lambdas
981 * method.c (synthesized_method_walk): For C++2a don't mark
982 sfk_constructor or sfk_copy_assignment as deleted if lambda has
985 2018-06-14 Paolo Carlini <paolo.carlini@oracle.com>
987 * decl.c (duplicate_decls): Use DECL_SOURCE_LOCATION in
988 OPT_Wshadow warning_at.
989 (grokfndecl): Consistently use the location_t argument in
990 literal operator diagnostic messages.
991 (grokdeclarator): Use declspecs->locations[ds_storage_class]
993 * decl2.c (finish_static_data_member_decl): Use DECL_SOURCE_LOCATION
996 2018-06-13 Jason Merrill <jason@redhat.com>
998 PR c++/86099 - ICE with trivial copy and non-trivial default ctor.
999 * constexpr.c (instantiate_cx_fn_r): Don't synthesize trivial
1002 PR c++/86094 - wrong code with defaulted move ctor.
1003 * class.c (classtype_has_non_deleted_move_ctor): New.
1004 * tree.c (maybe_warn_parm_abi, type_has_nontrivial_copy_init):
1005 Handle v12 breakage.
1007 2018-06-12 Jason Merrill <jason@redhat.com>
1009 PR c++/86098 - ICE with template placeholder for TTP.
1010 * typeck.c (structural_comptypes) [TEMPLATE_TYPE_PARM]: Check
1011 CLASS_PLACEHOLDER_TEMPLATE.
1013 2018-06-12 Paolo Carlini <paolo.carlini@oracle.com>
1015 * decl2.c (coerce_new_type, coerce_delete_type): Add location_t
1016 parameter and adjust error_at calls.
1017 * decl.c (grok_op_properties): Adjust calls.
1018 * cp-tree.h (oerce_new_type, coerce_delete_type): Adjust decls.
1020 2018-06-12 Marek Polacek <polacek@redhat.com>
1022 Core issue 1331 - const mismatch with defaulted copy constructor
1023 * class.c (check_bases_and_members): When checking a defaulted
1024 function, mark it as deleted rather than giving an error.
1026 2018-06-11 Jason Merrill <jason@redhat.com>
1028 PR c++/85792 -Wctor-dtor-privacy and inherited constructor.
1029 * class.c (maybe_warn_about_overly_private_class): Handle inherited
1032 PR c++/85963 - -Wunused-but-set with ?: in template.
1033 * pt.c (tsubst_copy_and_build) [COND_EXPR]: Call mark_rvalue_use.
1035 2018-06-11 Paolo Carlini <paolo.carlini@oracle.com>
1037 * decl.c (grok_op_properties): Consistently use the location
1038 of the decl; remove special casing of POSTINCREMENT_EXPR and
1039 POSTDECREMENT_EXPR wrt default arguments.
1041 2018-06-05 Jason Merrill <jason@redhat.com>
1043 * constexpr.c (cxx_eval_binary_expression): Special case comparison
1044 of pointers to members of the same union.
1046 2018-06-11 Jason Merrill <jason@redhat.com>
1048 PR c++/86094 - wrong code with defaulted move ctor.
1049 * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
1051 2018-06-10 Paolo Carlini <paolo.carlini@oracle.com>
1053 * decl.c (grokfndecl): Use the location_t argument in two more places.
1055 2018-06-06 Marek Polacek <polacek@redhat.com>
1058 * pt.c (unify): If ELTTYPE has no deducible template parms, skip
1059 deduction from the list elements.
1060 (type_unification_real): Check convertibility of list elements.
1062 2018-06-06 Jason Merrill <jason@redhat.com>
1064 PR c++/86060 - ICE on range for with -std=c++98.
1065 * parser.c (cp_parser_init_statement): Don't clobber *decl after
1068 PR c++/85710 - ICE with -Wmemset-elt-size.
1069 * semantics.c (finish_call_expr): Call warn_for_memset here.
1070 * parser.c (cp_parser_postfix_expression): Not here.
1071 (literal_integer_zerop): No longer static.
1072 * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
1074 2018-06-05 Marek Polacek <polacek@redhat.com>
1077 * tree.c (cp_tree_equal): Handle USING_DECL.
1079 2018-06-05 Jason Merrill <jason@redhat.com>
1081 PR c++/85731 - wrong error with qualified-id in template.
1082 * semantics.c (finish_qualified_id_expr): build_qualified_name
1083 for unbound names in the current class.
1085 2018-06-04 Jason Merrill <jason@redhat.com>
1087 PR c++/61806 - missed SFINAE with partial specialization.
1088 * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
1089 parameter to constructor.
1090 * pt.c (instantiate_class_template_1): Enable access checking
1091 before call to most_specialized_partial_spec.
1093 PR c++/85765 - SFINAE and non-type default template arg.
1094 * pt.c (type_unification_real): Do full semantic processing if
1095 substituting a partial args list replaces all template parms.
1097 2018-06-03 Jason Merrill <jason@redhat.com>
1099 PR c++/85739 - ICE with pointer to member template parm.
1100 * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
1102 2018-06-02 Jason Merrill <jason@redhat.com>
1104 PR c++/85761 - ICE with ill-formed use of const outer variable.
1105 * expr.c (mark_use): Handle location wrappers.
1107 2018-06-01 Jason Merrill <jason@redhat.com>
1109 PR c++/85764 - bogus 'this' not captured error.
1110 * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
1111 (nonlambda_method_basetype): Handle NSDMI.
1113 CWG 1581: When are constexpr member functions defined?
1114 * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
1115 (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
1117 PR c++/58281 - explicit instantiation of constexpr
1118 * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
1120 * pt.c (instantiate_decl): Any defaulted function is defined.
1122 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1125 * call.c (resolve_args): Use location of expression, not current input
1128 2018-05-30 Ville Voutilainen <ville.voutilainen@gmail.com>
1130 Do not warn about zero-as-null when NULL is used.
1131 * call.c (conversion_null_warnings): Check for pointer
1132 types converted from zero constants.
1133 (convert_like_real): Add a warning sentinel at the end.
1134 * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
1137 2018-05-30 Jason Merrill <jason@redhat.com>
1139 PR c++/85807 - ICE with call in template NSDMI.
1140 * init.c (get_nsdmi): Use push_to/pop_from_top_level.
1141 * tree.c (bot_manip): Don't set_flags_from_callee in a template.
1143 PR c++/85873 - constant initializer_list array not in .rodata.
1144 * tree.c (build_target_expr): Set TREE_READONLY.
1145 * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
1147 * parser.c (cp_parser_check_condition_declarator): Handle
1148 cp_error_declarator.
1150 2018-05-30 Jonathan Wakely <jwakely@redhat.com>
1152 * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
1153 of using it in dead store.
1155 2018-05-29 Jason Merrill <jason@redhat.com>
1157 PR c++/67445 - returning temporary initializer_list.
1158 PR c++/67711 - assigning from temporary initializer_list.
1159 PR c++/48562 - new initializer_list.
1160 * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
1161 about returning local initializer_list.
1162 * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
1163 * call.c (build_over_call): Warn about assignment from temporary
1165 * init.c (build_new_1): Warn about 'new std::initializer_list'.
1166 (find_list_begin, maybe_warn_list_ctor): New.
1167 (perform_member_init): Use maybe_warn_list_ctor.
1169 2018-05-29 Marek Polacek <polacek@redhat.com>
1172 * init.c (build_new): Handle deducing a class with new
1173 with more than one argument.
1175 2018-05-29 Jakub Jelinek <jakub@redhat.com>
1178 * init.c (build_aggr_init): For structured binding initialized from
1179 array call mark_rvalue_use on the initializer.
1181 2018-05-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
1183 * decl2.c (start_static_storage_duration_function): Use
1184 splay_tree_delete_pointers.
1186 2018-05-25 Jason Merrill <jason@redhat.com>
1188 PR c++/85815 - reference to member of enclosing template.
1189 * search.c (lookup_base): Use currently_open_class.
1190 (lookup_member): Use it regardless of -fconcepts.
1191 * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
1193 CWG 616, 1213 - value category of subobject references.
1194 * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
1196 2018-05-24 Jason Merrill <jason@redhat.com>
1198 PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
1199 * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
1202 2018-05-24 Ville Voutilainen <ville.voutilainen@gmail.com>
1204 Pedwarn on a non-standard position of a C++ attribute.
1205 * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
1206 after the namespace name.
1208 2018-05-24 Paolo Carlini <paolo.carlini@oracle.com>
1210 * cp-tree.h (INDIRECT_TYPE_P): New.
1211 * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
1212 joust): Use it instead of POINTER_TYPE_P.
1213 * class.c (update_vtable_entry_for_fn, find_flexarrays,
1214 * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
1215 * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
1216 * cxx_eval_increment_expression, potential_constant_expression_1):
1218 * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
1219 * cp-objcp-common.c (cxx_get_alias_set): Likewise.
1220 * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
1221 cp_ubsan_maybe_instrument_downcast): Likewise.
1222 * cvt.c (cp_convert_to_pointer, ocp_convert,
1223 cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
1224 * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
1225 pp_cxx_offsetof_expression_1): Likewise.
1226 * decl.c (grokparms, static_fn_type): Likewise.
1227 * decl2.c (grokbitfield): Likewise.
1228 * error.c (dump_expr): Likewise.
1229 * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
1230 * init.c (warn_placement_new_too_small): Likewise.
1231 * lambda.c (build_capture_proxy, add_capture): Likewise.
1232 * parser.c (cp_parser_omp_for_loop): Likewise.
1233 * pt.c (convert_nontype_argument, fn_type_unification,
1234 uses_deducible_template_parms, check_cv_quals_for_unify,
1235 dependent_type_p_r): Likewise.
1236 * search.c (check_final_overrider): Likewise.
1237 * semantics.c (handle_omp_array_sections, finish_omp_clauses,
1238 finish_omp_for): Likewise.
1239 * tree.c (cp_build_qualified_type_real): Likewise.
1240 * typeck.c (build_class_member_access_expr,
1241 finish_class_member_access_expr, build_x_indirect_ref,
1242 cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
1245 2018-05-24 Jason Merrill <jason@redhat.com>
1247 PR c++/85864 - literal template and default template arg.
1248 * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
1250 2018-05-24 Marek Polacek <polacek@redhat.com>
1253 * init.c (build_new_1): Use fold_non_dependent_expr. Use a dedicated
1254 variable for its result. Fix a condition.
1255 (build_new): Use fold_non_dependent_expr. Tweak a condition.
1257 2018-05-23 Jason Merrill <jason@redhat.com>
1259 Fix cast to rvalue reference from prvalue.
1260 * cvt.c (diagnose_ref_binding): Handle rvalue reference.
1261 * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
1262 non-class type. Handle xvalue argument.
1263 * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
1265 * semantics.c (finish_compound_literal): Do direct-initialization,
1266 not cast, to initialize a reference.
1268 CWG 616, 1213 - value category of subobject references.
1269 * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
1271 * typeck2.c (build_m_component_ref): Likewise.
1272 * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
1273 distinction between temporary and xvalue.
1275 2018-05-23 Marek Polacek <polacek@redhat.com>
1277 Implement P0614R1, Range-based for statements with initializer.
1278 * parser.c (cp_parser_range_based_for_with_init_p): New.
1279 (cp_parser_init_statement): Use it. Parse the optional init-statement
1280 for a range-based for loop.
1281 (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
1283 2018-05-22 Jason Merrill <jason@redhat.com>
1285 PR c++/81420 - not extending temporary lifetime.
1286 * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
1287 * class.c (build_base_path): Avoid redundant move of an rvalue.
1289 PR c++/85866 - error with .* in default template arg.
1290 * pt.c (tsubst_copy_and_build): Handle partial instantiation.
1292 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1294 * parser.c (cp_parser_parameter_declaration_list): Remove
1296 (cp_parser_parameter_declaration_clause): Adjust.
1297 (cp_parser_cache_defarg): Likewise.
1299 2018-05-21 Paolo Carlini <paolo.carlini@oracle.com>
1302 * parser.c (cp_parser_maybe_commit_to_declaration,
1303 cp_parser_check_condition_declarator): New.
1304 (cp_parser_simple_declaration): Use the first above.
1305 (cp_parser_condition): Use both the above; enforce
1306 [stmt.stmt]/2 about the declarator not specifying
1307 a function or an array; improve error-recovery.
1309 2018-05-20 Jason Merrill <jason@redhat.com>
1311 PR libstdc++/85843 - warning in logic_error copy constructor.
1312 * class.c (type_has_user_nondefault_constructor): Check for a
1313 user-provided ctor, not user-declared.
1315 2018-05-19 Jason Merrill <jason@redhat.com>
1317 * pt.c (tsubst_pack_expansion): Sorry rather than abort
1318 on __integer_pack as subexpression of pattern.
1320 2018-05-18 Jason Merrill <jason@redhat.com>
1322 PR c++/58407 - deprecated implicit copy ops.
1323 * call.c (build_over_call): Warn about deprecated trivial fns.
1324 * class.c (classtype_has_user_copy_or_dtor): New.
1325 (type_build_ctor_call): Check TREE_DEPRECATED.
1326 (type_build_dtor_call): Likewise.
1327 * decl2.c (cp_warn_deprecated_use): Move from tree.c.
1328 Add checks. Return bool. Handle -Wdeprecated-copy.
1329 (mark_used): Use it.
1330 * decl.c (grokdeclarator): Remove redundant checks.
1331 * typeck2.c (build_functional_cast): Likewise.
1332 * method.c (lazily_declare_fn): Mark deprecated copy ops.
1333 * init.c (build_aggr_init): Only set TREE_USED if there are
1336 2018-05-18 Cesar Philippidis <cesar@codesourcery.com>
1339 * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
1342 2018-05-18 Richard Sandiford <richard.sandiford@linaro.org>
1344 * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
1345 (potential_constant_expression_1): Likewise.
1347 2018-05-16 Marek Polacek <polacek@redhat.com>
1350 * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
1351 * tree.c (bot_manip): Call set_flags_from_callee for
1352 AGGR_INIT_EXPRs too.
1354 2018-05-15 Jason Merrill <jason@redhat.com>
1356 * cp-tree.h (cp_expr): Remove copy constructor.
1357 * mangle.c (struct releasing_vec): Declare copy constructor.
1359 * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
1361 PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
1362 * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
1363 is a throw-expression.
1365 2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
1367 * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
1368 (FOR_EACH_CLONE): Update.
1369 * decl.c (grokdeclarator): Use it.
1370 * decl2.c (vague_linkage_p): Likewise.
1371 * mangle.c (mangle_decl): Likewise.
1372 * method.c (lazily_declare_fn): Likewise.
1373 * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
1374 * repo.c (repo_emit_p): Likewise.
1375 * tree.c (decl_linkage): Likewise.
1377 2018-05-14 Jason Merrill <jason@redhat.com>
1379 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
1380 * tree.c (build_cp_fntype_variant): New.
1381 (build_ref_qualified_type, build_exception_variant)
1382 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
1383 (cxx_type_hash_eq, cp_check_qualified_type): Check
1384 TYPE_HAS_LATE_RETURN_TYPE.
1385 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
1386 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
1387 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
1388 (adjust_clone_args): Likewise.
1389 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
1390 build_cp_fntype_variant.
1391 (grokdeclarator): Pass late_return_type_p to grokfndecl.
1392 (check_function_type): Use cxx_copy_lang_qualifiers.
1393 (static_fn_type): Use cxx_copy_lang_qualifiers.
1394 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
1395 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
1396 (change_return_type): Use cxx_copy_lang_qualifiers.
1397 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
1398 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
1399 return type on the declarator like a normal trailing return type.
1400 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
1401 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
1402 * typeck.c (merge_types): Use build_cp_fntype_variant.
1404 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
1406 * cp-tree.h (TYPE_REF_P): New.
1407 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
1408 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
1409 direct_reference_binding, reference_binding, implicit_conversion,
1410 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
1411 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
1412 build_over_call, perform_implicit_conversion_flags,
1413 extend_ref_init_temps, type_has_extended_temps): Use it.
1414 * class.c (one_inheriting_sig, check_field_decls,
1415 check_bases_and_members, find_flexarrays, finish_struct,
1416 fixed_type_or_null): Likewise.
1417 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
1418 non_const_var_error, cxx_eval_constant_expression,
1419 potential_constant_expression_1): Likewise.
1420 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
1421 cp_genericize_r, cxx_omp_privatize_by_reference,
1422 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
1423 cp_fold_maybe_rvalue): Likewise.
1424 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
1425 * cvt.c (build_up_reference, convert_to_reference,
1426 convert_from_reference, convert_to_void, noexcept_conv_p,
1427 fnptr_conv_p): Likewise.
1428 * decl.c (poplevel, check_for_uninitialized_const_var,
1429 check_initializer, initialize_local_var, cp_finish_decl,
1430 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
1431 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
1432 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
1433 decl_maybe_constant_var_p): Likewise.
1434 * error.c (dump_type_prefix, dump_expr): Likewise.
1435 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
1436 is_admissible_throw_operand_or_catch_parameter): Likewise.
1437 * expr.c (mark_use): Likewise.
1438 * init.c (build_zero_init_1, build_value_init_noctor,
1439 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
1440 build_new, build_delete): Likewise.
1441 * lambda.c (build_lambda_object): Likewise.
1442 * mangle.c (write_expression, write_template_arg): Likewise.
1443 * method.c (forward_parm, do_build_copy_constructor,
1444 do_build_copy_assign, build_stub_object, constructible_expr,
1445 walk_field_subobs): Likewise.
1446 * parser.c (cp_parser_omp_for_loop_init,
1447 cp_parser_omp_declare_reduction_exprs,
1448 cp_parser_omp_declare_reduction): Likewise.
1449 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
1450 convert_template_argument, tsubst_pack_expansion,
1451 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
1452 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
1453 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
1454 value_dependent_expression_p, build_deduction_guide): Likewise.
1455 * semantics.c (finish_handler_parms, finish_non_static_data_member,
1456 finish_compound_literal, omp_privatize_field,
1457 handle_omp_array_sections_1, handle_omp_array_sections,
1458 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
1459 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
1460 finish_omp_clauses, finish_decltype_type, capture_decltype,
1461 finish_builtin_launder): Likewise.
1462 * tree.c (lvalue_kind, cp_build_reference_type, move,
1463 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
1464 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
1465 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
1466 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
1467 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
1468 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
1469 convert_for_initialization,
1470 maybe_warn_about_returning_address_of_local, check_return_expr,
1471 cp_type_quals, casts_away_constness, non_reference): Likewise.
1472 * typeck2.c (cxx_readonly_error, store_init_value,
1473 process_init_constructor_record, build_x_arrow, build_functional_cast,
1474 add_exception_specifier): Likewise.
1476 2018-05-14 Jason Merrill <jason@redhat.com>
1478 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
1479 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
1481 2018-05-11 Jakub Jelinek <jakub@redhat.com>
1484 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
1485 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
1486 cxx_omp_predetermined_sharing_1. Rename old function to ...
1487 (cxx_omp_predetermined_sharing_1): ... this.
1488 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
1489 instead of cxx_omp_predetermined_sharing.
1491 2018-05-10 Jason Merrill <jason@redhat.com>
1493 * decl.c (cp_finish_decl): Don't instantiate auto variable.
1494 (check_static_variable_definition): Allow auto.
1495 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
1497 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
1498 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
1500 Core issue 2310 - conversion to base of incomplete type.
1501 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
1503 CWG 2267 - list-initialization of reference temporary
1504 * call.c (reference_binding): List-initializing a reference
1505 temporary is copy-list-initialization.
1507 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
1509 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
1510 instantiation in template context.
1512 * class.c (vbase_has_user_provided_move_assign): Use
1515 * lambda.c (lambda_expr_this_capture): Improve logic.
1517 * decl.c (make_typename_type): s/parameters/arguments/.
1518 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
1519 * pt.c (make_pack_expansion): Correct error message.
1521 2018-05-10 Jakub Jelinek <jakub@redhat.com>
1524 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
1525 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
1528 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
1531 * decl2.c (adjust_var_decl_tls_model): New static function.
1532 (comdat_linkage): Call it on a variable.
1533 (maybe_make_one_only): Likewise.
1535 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
1539 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1542 * parser.c (cp_parser_parameter_declaration_list): When the
1543 entire parameter-declaration-list is erroneous maybe call
1544 abort_fully_implicit_template.
1546 2018-05-08 Jason Merrill <jason@redhat.com>
1548 PR c++/85706 - class deduction under decltype
1549 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
1550 *walk_subtrees whether or not we walked into the operand.
1551 (type_uses_auto): Only look at deduced contexts.
1553 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
1556 * parser.c (cp_parser_parameter_declaration_list): When the
1557 entire parameter-declaration-list is erroneous maybe call
1558 abort_fully_implicit_template.
1560 2018-05-08 Marek Polacek <polacek@redhat.com>
1563 * semantics.c (finish_if_stmt_cond): See through typedefs.
1565 2018-05-07 Jason Merrill <jason@redhat.com>
1567 PR c++/85646 - lambda visibility.
1568 * decl2.c (determine_visibility): Don't mess with template arguments
1569 from the containing scope.
1570 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
1573 2018-05-07 Nathan Sidwell <nathan@acm.org>
1575 Remove fno-for-scope
1576 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
1577 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
1578 (SET_DECL_SHADOWED_FOR_VAR): Delete.
1579 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1580 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
1582 * name-lookup.h (struct cp_binding_level): Remove
1583 dead_vars_from_for field.
1584 * cp-lang.c (cp_init_ts): Delete.
1585 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
1586 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
1587 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
1588 (init_shadowed_var_for_decl): Delete.
1589 * decl.c (poplevel): Remove shadowed for var handling.
1590 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
1591 * name-lookup.c (find_local_binding): Remove shadowed for var
1593 (check_local_shadow): Likewise.
1594 (check_for_out_of_scope_variable): Delete.
1595 * parser.c (cp_parser_primary_expression): Remove shadowed for var
1597 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
1598 * semantics.c (begin_for_scope): Always have a scope.
1599 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
1600 (begin_range_for_stmt, finish_id_expression): Likewise.
1602 2018-05-07 Jason Merrill <jason@redhat.com>
1604 PR c++/85618 - ICE with initialized VLA.
1605 * tree.c (vla_type_p): New.
1606 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
1607 rather than array_of_runtime_bound_p.
1609 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
1611 * cvt.c (ocp_convert): Early handle the special case of a
1612 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
1614 2018-05-03 Jason Merrill <jason@redhat.com>
1616 PR c++/85600 - virtual delete failure.
1617 * init.c (build_delete): Always save_expr when deleting.
1619 2018-05-03 Nathan Sidwell <nathan@acm.org>
1621 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
1622 * name-lookup.c (do_pushdecl): Likewise.
1624 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
1625 Jason Merrill <jason@redhat.com>
1628 * name-lookup.c (check_local_shadow): Don't handle static old
1629 declarations in the block handling locals shadowing locals.
1631 2018-05-01 Jason Merrill <jason@redhat.com>
1633 PR c++/85587 - error with scoped enum in template.
1634 * semantics.c (finish_qualified_id_expr): Don't return an
1635 unqualified IDENTIFIER_NODE.
1637 2018-04-30 Jason Merrill <jason@redhat.com>
1639 PR c++/85580 - extern "C" and local variables
1640 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
1642 PR c++/84701 - unsigned typeof.
1643 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
1644 of long/short/signed/unsigned.
1646 PR c++/85305 - pack in lambda init-capture.
1647 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
1648 check_for_bare_parameter_packs in a subexpression.
1649 (cp_parser_lambda_introducer): Use it.
1651 PR c++/61982 - dead stores to destroyed objects.
1652 * call.c (build_trivial_dtor_call): New, assigns a clobber.
1653 (build_over_call, build_special_member_call): Use it.
1654 * cp-tree.h: Declare it.
1655 * init.c (build_delete): Remove trivial path.
1657 * init.c (build_dtor_call): Use build_special_member_call.
1658 (build_delete): Remove redundant uses of save_addr.
1660 * decl.c (build_clobber_this): Use build_clobber.
1662 2018-04-27 Jakub Jelinek <jakub@redhat.com>
1665 * init.c (build_zero_init_1): For zero initialization of
1666 NULLPTR_TYPE_P type use build_int_cst directly.
1668 2018-04-27 David Malcolm <dmalcolm@redhat.com>
1671 * name-lookup.c (consider_binding_level): Skip compiler-generated
1673 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
1674 nested if statements into a series of rejection tests. Reject
1675 lambda-ignored entities as suggestions.
1677 2018-04-27 Jason Merrill <jason@redhat.com>
1679 * cvt.c (cp_fold_convert): Use convert_ptrmem.
1680 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
1682 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
1685 * decl.c (grokdeclarator): Clear friendp upon definition in local
1686 class definition error.
1688 2018-04-27 Jason Merrill <jason@redhat.com>
1690 PR c++/85545 - ICE with noexcept PMF conversion.
1691 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
1693 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
1695 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
1697 2018-04-27 Nathan Sidwell <nathan@acm.org>
1699 * typeck.c (convert_ptrmem): Move local var decls to initialization.
1701 * cp-tree.h (TEMPLATE_INFO): Fix comments.
1702 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
1703 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
1704 (dump, print_other_binding_stacks): Remove declarations.
1705 * name-lookup.c (print_other_binding_stack): Make static.
1706 * pt.c (build_template_decl): Make static.
1708 2018-04-26 Jason Merrill <jason@redhat.com>
1710 PR c++/85545 - ICE with noexcept PMF conversion.
1711 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
1713 2018-04-25 Nathan Sidwell <nathan@acm.org>
1717 * cp-tree.h (REINTERPRET_CAST_P): New.
1718 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
1719 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
1720 for non-trivial PTRMEM_CST cases.
1721 * typeck.c (build_nop_reinterpret): New.
1722 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
1723 NOP_EXPRs returned by cp_convert.
1725 2018-04-23 Jason Merrill <jason@redhat.com>
1727 PR c++/69560 - wrong alignof(double) on x86.
1728 CWG 1879 - Inadequate definition of alignment requirement.
1729 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
1730 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
1731 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
1732 (cxx_alignof_expr): Pass it.
1733 * parser.c (cp_parser_unary_expression): Pass it.
1734 * pt.c (tsubst_copy): Copy it.
1735 (tsubst_copy_and_build): Pass it.
1736 * decl.c (fold_sizeof_expr): Pass it.
1738 2018-04-23 Jakub Jelinek <jakub@redhat.com>
1739 Jason Merrill <jason@redhat.com>
1741 PR c++/85470 - wrong error with static data member.
1742 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
1743 * typeck2.c (store_init_value): Likewise.
1745 2018-04-20 Jakub Jelinek <jakub@redhat.com>
1748 * cp-tree.h (tinst_level): Remove in_system_header_p member,
1749 change refcount member from unsigned char to unsigned short,
1750 add refcount_infinity static data member, adjust comments.
1751 * pt.c (tinst_level::refcount_infinity): Define.
1752 (inc_refcount_use): Remove assert, don't increment if refcount
1753 is already refcount_infinity, adjust comment.
1754 (dec_refcount_use): Remove assert, don't decrement if refcount
1755 is refcount_infinity, adjust comment.
1756 (push_tinst_level_loc): Formatting fix.
1758 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
1761 * pt.c (lookup_template_class_1): Check pushtag return value for
1764 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
1767 * cp-tree.h (tinst_level::free): Fix whitespace.
1769 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
1772 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
1773 for error_mark_node.
1775 2018-04-18 Jakub Jelinek <jakub@redhat.com>
1778 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
1779 tricks from here to ...
1780 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
1781 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
1783 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
1786 * cp-tree.h (struct tinst_level): Split decl into tldcl and
1787 targs. Add private split_list_p, tree_list_p, and not_list_p
1788 inline const predicates; to_list private member function
1789 declaration; free public member function declaration; list_p,
1790 get_node and maybe_get_node accessors, and refcount data
1791 member. Narrow errors to unsigned short.
1792 * error.c (print_instantiation_full_context): Use new
1794 (print_instantiation_partial_context_line): Likewise. Drop
1795 const from tinst_level-typed parameter.
1796 * mangle.c (mangle_decl_string): Likewise.
1797 * pt.c (freelist): New template class.
1798 (tree_list_freelist_head): New var.
1799 (tree_list_freelist): New fn, along with specializations.
1800 (tinst_level_freelist_head): New var.
1801 (pending_template_freelist_head): Likewise.
1802 (tinst_level_freelist, pending_template_freelist): New fns.
1803 (tinst_level::to_list, tinst_level::free): Define.
1804 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
1805 (set_refcount_ptr): New template fn.
1806 (add_pending_template): Adjust for refcounting, freelists and
1808 (neglectable_inst_p): Take a NULL d as a non-DECL.
1809 (limit_bad_template_recursion): Use new accessors.
1810 (push_tinst_level): New overload to create the list.
1811 (push_tinst_level_loc): Make it static, split decl into two
1812 args, adjust tests and initialization to cope with split
1813 lists, use freelist, adjust for refcounting.
1814 (push_tinst_level_loc): New wrapper with the old interface.
1815 (pop_tinst_level): Adjust for refcounting.
1816 (record_last_problematic_instantiation): Likewise.
1817 (reopen_tinst_level): Likewise. Use new accessors.
1818 (instantiate_alias_template): Adjust for split list.
1819 (fn_type_unification): Likewise.
1820 (get_partial_spec_bindings): Likewise.
1821 (instantiate_pending_templates): Use new accessors. Adjust
1822 for refcount. Release pending_template to freelist.
1823 (instantiating_current_function_p): Use new accessors.
1825 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
1828 * parser.c (cp_parser_builtin_offset): Reject type definitions.
1829 * mangle.c (nested_anon_class_index): Avoid crash returning -1
1830 if we've seen errors.
1832 2018-04-12 David Malcolm <dmalcolm@redhat.com>
1835 * name-lookup.c (macro_use_before_def::maybe_make): New function,
1836 checking that the use is indeed before the definition.
1837 (macro_use_before_def::macro_use_before_def): Make private.
1838 (macro_use_before_def::~macro_use_before_def): Make private. Move
1839 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
1840 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
1841 than using new directly.
1843 2018-04-12 Jason Merrill <jason@redhat.com>
1845 PR c++/85356 - ICE with pointer to member function.
1846 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
1847 flag_noexcept_type. Build the new spec within the function context.
1848 * except.c (build_noexcept_spec): Do get constant value in templates
1849 if flag_noexcept_type.
1850 * decl.c (check_redeclaration_exception_specification): Don't
1851 instantiate noexcept on a dependent declaration.
1853 2018-04-12 Marek Polacek <polacek@redhat.com>
1856 * constexpr.c (reduced_constant_expression_p): Return false for null
1859 2018-04-11 Marek Polacek <polacek@redhat.com>
1862 * constexpr.c (potential_constant_expression_1): Consider conversions
1863 from classes to literal types potentially constant.
1865 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
1868 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
1869 the type like TYPE_PTR_OR_PTRMEM_P.
1871 2018-04-10 Jason Merrill <jason@redhat.com>
1873 PR debug/65821 - wrong location for main().
1874 * call.c (clear_location_r, convert_default_arg): Revert.
1875 * tree.c (break_out_target_exprs): Add clear_location parm.
1876 (struct bot_data): New.
1877 (bot_manip): Clear location if requested.
1878 * init.c (get_nsdmi): Pass clear_location.
1880 2018-04-10 David Malcolm <dmalcolm@redhat.com>
1883 * call.c (get_fndecl_argument_location): Make non-static.
1884 * cp-tree.h (get_fndecl_argument_location): New decl.
1885 * typeck.c (convert_for_assignment): When complaining due to
1886 conversions for an argument, show the location of the parameter
1889 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1891 PR c++/85312 - P0962 cleanup
1892 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
1895 2018-04-10 Jason Merrill <jason@redhat.com>
1897 PR debug/65821 - wrong location for main().
1898 * call.c (clear_location_r): New.
1899 (convert_default_arg): Use it.
1900 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
1902 PR c++/85285 - ICE with flexible array after substitution.
1903 * pt.c (instantiate_class_template_1): Check for flexible array in
1906 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
1909 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
1910 issue a pedwarn and defer trying to do bindings.
1912 2018-04-09 Jason Merrill <jason@redhat.com>
1914 PR c++/85279 - dump_expr doesn't understand decltype.
1915 * error.c (dump_expr): Handle DECLTYPE_TYPE.
1917 PR c++/85262 - ICE with redundant qualification on constructor.
1918 * call.c (build_new_method_call_1): Move make_args_non_dependent
1919 after A::A() handling.
1921 PR c++/85277 - ICE with invalid offsetof.
1922 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
1923 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
1925 PR c++/85264 - ICE with excess template-parameter-list.
1926 * parser.c (cp_parser_check_template_parameters): Add template_id_p
1927 parameter. Don't allow an extra template header if true.
1928 (cp_parser_class_head): Pass template_id_p.
1929 (cp_parser_elaborated_type_specifier): Likewise.
1930 (cp_parser_alias_declaration): Likewise.
1931 (cp_parser_check_declarator_template_parameters): Likewise.
1933 2018-04-09 Jakub Jelinek <jakub@redhat.com>
1936 * parser.c (cp_parser_simple_declaration): For structured bindings,
1937 if *maybe_range_for_decl is NULL after parsing it, set it to
1940 2018-04-09 Jason Merrill <jason@redhat.com>
1942 PR c++/85256 - ICE capturing pointer to VLA.
1943 * lambda.c (add_capture): Distinguish between variable-size and
1944 variably-modified types.
1946 2018-04-06 Jason Merrill <jason@redhat.com>
1948 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
1949 * pt.c (extract_locals_r): Remember local typedefs.
1951 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1954 * name-lookup.c (struct std_name_hint): Move out of
1955 get_std_name_hint; add field "min_dialect".
1956 (get_std_name_hint): Add min_dialect values to all initializers.
1957 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
1958 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
1959 <shared_mutex>, <string_view>, <thread>, and <variant>.
1960 Add fstream, ifstream, and ofstream to <fstream>.
1961 Add istringstream, ostringstream, and stringstream to <sstream>.
1962 Add basic_string to <string>.
1963 Add tuple_element and tuple_size to <tuple>.
1964 Add declval to <utility>.
1965 Fix ordering of <queue> and <tuple>.
1966 Return a std_name_hint, rather than a const char *.
1967 (get_cxx_dialect_name): New function.
1968 (maybe_suggest_missing_std_header): Detect names that aren't yet
1969 available in the current dialect, and instead of suggesting a
1970 missing #include, warn about the dialect.
1972 2018-04-06 Jakub Jelinek <jakub@redhat.com>
1975 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
1976 errorcount is set if tsubst doesn't return a VAR_DECL.
1978 2018-04-06 David Malcolm <dmalcolm@redhat.com>
1981 * name-lookup.c (using_directives_contain_std_p): New function.
1982 (has_using_namespace_std_directive_p): New function.
1983 (suggest_alternatives_for): Simplify if/else logic using early
1984 returns. If no candidates were found, and there's a
1985 "using namespace std;" directive, call
1986 maybe_suggest_missing_std_header.
1987 (maybe_suggest_missing_header): Split later part of the function
1989 (maybe_suggest_missing_std_header): New.
1991 2018-04-06 Jason Merrill <jason@redhat.com>
1993 PR c++/85242 - ICE with class definition in template parm.
1994 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
1995 processing_template_parmlist.
1997 PR c++/85240 - LTO ICE with using of undeduced auto fn.
1998 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
2000 2018-04-05 Jakub Jelinek <jakub@redhat.com>
2003 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
2004 is not prev, if prev == decl.
2007 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
2008 maybe_apply_pragma_weak here...
2009 (cp_maybe_mangle_decomp): ... but call it here instead.
2011 2018-04-05 Jason Merrill <jason@redhat.com>
2013 PR c++/85136 - ICE with designated init in template.
2014 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
2015 designated initializer.
2016 (check_array_designated_initializer): Update ce->index with the
2019 PR c++/83808 - ICE with VLA initialization.
2020 * typeck2.c (process_init_constructor_array): Don't require a VLA
2021 initializer to have VLA type.
2023 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2026 * call.c (convert_like_real): Fail gracefully for a broken
2027 std::initializer_list, missing a definition.
2029 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
2031 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
2034 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
2035 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
2037 2018-04-05 Jason Merrill <jason@redhat.com>
2039 PR c++/82152 - ICE with class deduction and inherited ctor.
2040 * pt.c (do_class_deduction): Ignore inherited ctors.
2042 PR c++/84665 - ICE with array of empty class.
2043 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
2045 PR c++/85228 - ICE with lambda in enumerator in template.
2046 * pt.c (bt_instantiate_type_proc): Don't assume
2047 CLASSTYPE_TEMPLATE_INFO is non-null.
2049 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2052 * decl.c (find_decomp_class_base): Check accessibility instead
2053 of declared access, adjust diagnostic.
2055 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
2058 * decl.c (get_tuple_decomp_init): Check the templatedness
2061 2018-04-05 Jason Merrill <jason@redhat.com>
2063 PR c++/85200 - ICE with constexpr if in generic lambda.
2064 * pt.c (extract_locals_r): Don't record the local specs of variables
2065 declared within the pattern.
2067 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
2070 * pt.c (check_auto_in_tmpl_args): New.
2071 (tsubst_qualified_id): Use it to reject template args
2072 referencing auto for non-type templates.
2073 * parser.c (cp_parser_template_id): Likewise.
2074 * cp-tree.h (check_auto_in_tmpl_args): Declare.
2075 * typeck2.c (build_functional_cast): Report correct location
2076 for invalid use of auto.
2078 2018-04-04 Jason Merrill <jason@redhat.com>
2080 PR c++/85215 - ICE with copy-init from conversion.
2081 * call.c (merge_conversion_sequences): Fix type of direct binding
2084 PR c++/84938 - ICE with division by ~-1.
2085 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
2087 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
2088 * parser.c (cp_parser_mem_initializer_list): Call
2089 check_for_bare_parameter_packs.
2091 2018-04-04 Jakub Jelinek <jakub@redhat.com>
2094 * constexpr.c (cxx_eval_builtin_function_call): For calls to
2095 builtin_valid_in_constant_expr_p functions, don't call
2096 cxx_eval_constant_expression if argument is not
2097 potential_constant_expression.
2100 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
2102 * semantics.c (calculate_bases): Add complain argument. Use
2103 complete_type_or_maybe_complain instead of just complete_type and
2104 return an empty vector if it fails. Move make_tree_vector () call
2105 after early return. Formatting fixes.
2106 (calculate_direct_bases): Likewise. Call release_tree_vector at the
2108 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
2109 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
2110 calculate_direct_bases callers, formatting fixes.
2112 2018-04-04 Jason Merrill <jason@redhat.com>
2114 PR c++/85006 - -fconcepts ICE with A<auto...> return type
2115 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
2117 PR c++/85200 - ICE with constexpr if in generic lambda.
2118 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
2120 PR c++/84221 - bogus -Wunused with attribute and template.
2121 * decl2.c (is_late_template_attribute): Handle unused and used
2122 normally on non-TYPE_DECL.
2124 PR c++/85135 - ICE with omitted template arguments.
2125 * decl.c (grokdeclarator): Catch deduced class type in trailing
2128 PR c++/85133 - ICE with missing concept initializer.
2129 * decl.c (cp_finish_decl): If a concept initializer is missing, use
2132 PR c++/85118 - wrong error with generic lambda and std::bind.
2133 * call.c (add_template_conv_candidate): Disable if there are any
2136 PR c++/85141 - ICE with compound assignment and static member fn.
2137 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
2138 compound assignment.
2140 PR c++/85148 - ICE with 'this' in array NSDMI.
2141 * tree.c (replace_placeholders_r): Use handled_component_p.
2143 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
2146 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
2147 * parser.c (cp_parser_unqualified_id): ..not here.
2149 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
2152 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
2154 * decl2.c (mark_used): Return without effects if tf_conv.
2156 2018-04-03 Jason Merrill <jason@redhat.com>
2158 PR c++/85092 - C++17 ICE with unused list constructor.
2159 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
2162 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
2163 * constexpr.c (cxx_eval_builtin_function_call): Only defer
2164 __builtin_constant_p if ctx->quiet.
2166 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
2169 * pt.c (rewrite_template_parm): If the first argument is
2170 error_mark_node return it immediately.
2171 (build_deduction_guide): Check the return value of the
2172 latter for error_mark_node.
2173 (do_class_deduction): Check the return value of the latter.
2175 2018-04-03 Jason Merrill <jason@redhat.com>
2177 * semantics.c (finish_if_stmt_cond): Use
2178 instantiation_dependent_expression_p.
2180 PR c++/85149 - generic lambda and constexpr if.
2181 * pt.c (build_extra_args, add_extra_args): Split from
2182 tsubst_pack_expansion.
2183 (tsubst_expr) [IF_STMT]: Use them.
2184 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
2186 * typeck.c (merge_types): Limit matching attribute shortcut to
2189 2018-04-03 Jakub Jelinek <jakub@redhat.com>
2192 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
2195 * name-lookup.c (handle_namespace_attrs): Return early if attributes
2199 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
2200 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
2201 instead for static data members clear init and set DECL_EXTERNAL.
2203 2018-04-02 Jason Merrill <jason@redhat.com>
2205 PR c++/64095 - auto... parameter pack.
2206 * parser.c (cp_parser_parameter_declaration): Handle turning autos
2208 (cp_parser_parameter_declaration_list): Not here.
2210 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
2213 * class.c (instantiate_type): Peel off SAVE_EXPR before
2216 2018-03-30 Jason Merrill <jason@redhat.com>
2218 * typeck2.c (process_init_constructor_record): Use
2219 init_list_type_node for the CONSTRUCTOR around an anonymous union
2220 designated initializer.
2222 2018-03-30 Jakub Jelinek <jakub@redhat.com>
2225 * semantics.c (finish_omp_reduction_clause): If
2226 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
2227 even if processing_template_decl.
2229 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2232 * name-lookup.c (get_std_name_hint): Add names from <memory>,
2233 <tuple>, and <utility>.
2235 2018-03-29 Jason Merrill <jason@redhat.com>
2237 PR c++/85093 - too many template args with pack expansion.
2238 * pt.c (coerce_template_parms): Keep pack expansion args that will
2241 2018-03-29 Jason Merrill <jason@redhat.com>
2243 * pt.c (build_non_dependent_expr): Propagate expr location.
2245 2018-03-27 Jason Merrill <jason@redhat.com>
2247 PR c++/85060 - wrong-code with call to base member in template.
2248 * search.c (any_dependent_bases_p): Check uses_template_parms
2249 rather than processing_template_decl.
2251 2018-03-29 David Malcolm <dmalcolm@redhat.com>
2254 * typeck.c (convert_for_assignment): When complaining due to
2255 conversions for an argument, attempt to use the location of the
2258 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
2261 * pt.c (tsubst_default_argument): Early return if the type of the
2262 parameter is erroneous.
2264 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
2267 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
2271 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
2273 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2276 * method.c (defaulted_late_check): Partially revert r253321 changes,
2277 do not early return upon error.
2279 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2282 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
2283 type call fold to generate VECTOR_CSTs when possible.
2286 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
2287 return it right away.
2289 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
2291 * search.c (check_final_overrider): Use inform instead of error
2292 for the diagnostics of the overridden functions. Tweak wording.
2294 2018-03-27 Jakub Jelinek <jakub@redhat.com>
2297 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
2298 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
2300 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
2301 Jason Merrill <jason@redhat.com>
2304 * init.c (build_aggr_init): When initializing from array,
2305 reject anything but CONSTRUCTORs and TARGET_EXPRs.
2306 (build_vec_init): Handle separately ARRAY_TYPEs.
2308 2018-03-26 Jason Merrill <jason@redhat.com>
2310 PR c++/85062 - ICE with alignas in wrong place.
2311 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
2314 PR c++/85049 - ICE with __integer_pack.
2315 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
2316 * cp-tree.h (TEMPLATE_PARM_P): New.
2318 2018-03-23 Jason Merrill <jason@redhat.com>
2320 PR c++/78489 - wrong SFINAE behavior.
2323 * pt.c (type_unification_real): Don't defer substitution failure.
2325 2018-03-23 Jakub Jelinek <jakub@redhat.com>
2328 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
2332 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
2333 cp_build_unary_op call with gcc_unreachable ().
2335 2018-03-23 Marek Polacek <polacek@redhat.com>
2338 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
2339 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
2340 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
2342 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
2345 * parser.c (cp_parser_perform_range_for_lookup): Change
2346 the condition for deciding whether to use members.
2348 2018-03-23 Marek Polacek <polacek@redhat.com>
2351 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
2353 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
2356 * parser.c (cp_parser_alias_declaration): Call
2357 parser_check_template_parameters.
2360 * pt.c (resolve_typename_type): Drop assert that stopped
2361 simplification to template-independent types. Add assert to
2362 verify the initial scope is template dependent.
2363 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
2364 Reparse the id expression as a type-name, not a declarator.
2367 * init.c (build_vec_init): Error at parenthesized array init.
2372 * cp-tree.h (temp_override): New template class, generalizing
2373 a cleanup that was only used...
2374 * parser.c (cp_parser_parameter_declaration_clause):
2375 ... here for auto_is_implicit_function_template_parm_p.
2376 (cp_parser_gnu_attributes_opt): Use it here as well.
2377 (cp_parser_std_attribute): Likewise.
2379 2018-03-22 Marek Polacek <polacek@redhat.com>
2382 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
2385 2018-03-21 Jason Merrill <jason@redhat.com>
2387 PR c++/81311 - wrong C++17 overload resolution.
2388 * call.c (build_user_type_conversion_1): Remove C++17 code.
2389 (conv_binds_ref_to_prvalue): New.
2390 (build_over_call): Handle C++17 copy elision.
2391 (build_special_member_call): Only do C++17 copy elision here if the
2392 argument is already the right type.
2394 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
2397 * init.c (build_vec_init): Silence error, former sorry,
2402 * parser.c (abort_fully_implicit_template_p): New.
2403 (cp_parser_skip_to_end_of_statement): Use it.
2404 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
2405 (finish_fully_implicit_template_p): Clear
2406 implicit_template_parms and implicit_template_scope.
2408 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
2411 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
2412 error_mark_node when check_array_designated_initializer fails.
2414 2018-03-21 Jakub Jelinek <jakub@redhat.com>
2417 * cp-tree.h (genericize_compound_lvalue): Declare.
2418 * typeck.c (genericize_compound_lvalue): New function.
2419 (unary_complex_lvalue, cp_build_modify_expr): Use it.
2420 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
2421 and PREDECREMENT_EXPR in output and "m" constrained input operands with
2422 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
2423 COMPOUND_EXPR operand.
2425 2018-03-21 Nathan Sidwell <nathan@acm.org>
2428 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
2429 * decl2.c (vague_linkage_p): Likewise.
2431 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2434 * constexpr.c (constexpr_fn_retval): Make non-"static".
2435 * cp-tree.h (constexpr_fn_retval): New decl.
2436 * search.c (direct_accessor_p): Update leading comment.
2437 (reference_accessor_p): Likewise.
2438 (field_accessor_p): Replace check that function body is a
2439 RETURN_EXPR with a call to constexpr_fn_retval. Fix
2440 indentation of "field_type" decl.
2442 2018-03-21 Nathan Sidwell <nathan@acm.org>
2445 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
2448 2018-03-21 Martin Sebor <msebor@redhat.com>
2451 * call.c (first_non_public_field): New template and function.
2452 (first_non_trivial_field): New function.
2453 (maybe_warn_class_memaccess): Call them.
2455 2018-03-21 David Malcolm <dmalcolm@redhat.com>
2458 * search.c (field_accessor_p): Use class_of_this_parm rather than
2459 type_of_this_parm, to check that "this" is a "const T *", rather
2462 2018-03-21 Nathan Sidwell <nathan@acm.org>
2464 * class.c (finish_struct_anon_r): Refactor, deprecate anything
2465 other than public non-static data members.
2466 * parser.c (cp_parser_init_declarator): Deprecate attributes after
2467 parenthesized initializer.
2470 * name-lookup.c (update_binding): Correct logic for local binding
2473 2018-03-21 Marek Polacek <polacek@redhat.com>
2475 PR c++/71638, ICE with NSDMI and reference.
2476 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2477 even when we replace an element.
2479 2018-03-20 Marek Polacek <polacek@redhat.com>
2481 PR c++/84978, ICE with NRVO.
2482 * constexpr.c (cxx_eval_constant_expression): Handle the case when
2483 a RESULT_DECL isn't in the hash map.
2485 2018-03-20 Jason Merrill <jason@redhat.com>
2487 PR c++/84978, ICE with NRVO.
2488 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
2489 (cp_get_callee_fndecl_nofold): New.
2490 * cp-gimplify.c (cp_genericize_r): Use it instead.
2491 * call.c (check_self_delegation): Likewise.
2493 2018-03-20 Nathan Sidwell <nathan@acm.org>
2496 * name-lookup.c (pushdecl_class_level): Push anon-struct's
2497 member_vec, if there is one.
2500 * cp-tree.h (lookup_list_keep): Declare.
2501 * tree.c (lookup_list_keep): New, broken out of ...
2502 (build_min): ... here. Call it.
2503 * decl.c (cp_finish_decl): Call lookup_list_keep.
2505 2018-03-19 Jason Merrill <jason@redhat.com>
2507 PR c++/84937 - ICE with class deduction and auto.
2508 * pt.c (rewrite_template_parm): Fix auto handling.
2510 2018-03-19 Marek Polacek <polacek@redhat.com>
2513 * pt.c (enclosing_instantiation_of): Check if fn is null.
2516 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
2517 as we evaluate the elements.
2518 (cxx_eval_constant_expression): Verify constructor's flags
2521 2018-03-19 Jason Merrill <jason@redhat.com>
2523 PR c++/71834 - template-id with too few arguments.
2524 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
2526 2018-03-19 Nathan Sidwell <nathan@acm.org>
2529 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
2530 * pt.c (build_template_decl): Propagate language linkage.
2533 * name-lookup.c (set_local_extern_decl_linkage): Defend against
2536 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2539 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
2541 * method.c (synthesize_method): Likewise.
2542 * pt.c (convert_nontype_argument): Likewise.
2544 2018-03-16 Jason Merrill <jason@redhat.com>
2546 PR c++/84720 - ICE with rvalue ref non-type argument.
2547 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
2548 (convert_nontype_argument): Revert earlier change.
2550 PR c++/80227 - SFINAE and negative array size.
2551 * decl.c (compute_array_index_type): Use
2552 build_converted_constant_expr and valid_constant_size_p.
2554 PR c++/84906 - silent wrong code with ambiguous conversion.
2555 * call.c (build_user_type_conversion_1): Set need_temporary_p on
2556 ambiguous conversion.
2557 (convert_like_real): Check it.
2559 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
2560 * call.c (build_special_member_call): Don't convert an init-list
2561 argument directly to the class type.
2563 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2567 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
2568 (find_placeholder): Declare.
2569 * tree.c (struct replace_placeholders_t): Add exp member.
2570 (replace_placeholders_r): Don't walk into ctors with
2571 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
2572 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
2573 (replace_placeholders): Initialize data.exp.
2574 (find_placeholders_r, find_placeholders): New functions.
2575 * typeck2.c (process_init_constructor_record,
2576 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
2577 if adding NSDMI on which find_placeholder returns true.
2578 * call.c (build_over_call): Don't call replace_placeholders here.
2579 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
2580 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
2581 TARGET_EXPR_INITIAL.
2582 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
2585 2018-03-16 Jason Merrill <jason@redhat.com>
2587 PR c++/83911 - ICE with multiversioned constructor.
2588 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
2590 * call.c (build_over_call): Not here.
2592 2018-03-16 Jakub Jelinek <jakub@redhat.com>
2595 * decl.c (reshape_init_class): Don't assert d->cur->index == field
2596 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
2598 2018-03-15 Jakub Jelinek <jakub@redhat.com>
2601 * cp-tree.h (cp_warn_deprecated_use): Declare.
2602 * tree.c (cp_warn_deprecated_use): New function.
2603 * typeck2.c (build_functional_cast): Use it.
2604 * decl.c (grokparms): Likewise.
2605 (grokdeclarator): Likewise. Temporarily push nested class scope
2606 around grokparms call for out of class member definitions.
2608 2018-03-14 Jason Merrill <jason@redhat.com>
2610 PR c++/84820 - no error for invalid qualified-id.
2611 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
2612 cp_error_declarator.
2614 PR c++/84801 - ICE with unexpanded pack in lambda.
2615 * pt.c (check_for_bare_parameter_packs): Don't return early for a
2616 lambda in non-template context.
2618 PR c++/81236 - auto variable and auto function
2619 * pt.c (tsubst_baselink): Update the type of the BASELINK after
2622 2018-03-14 Jason Merrill <jason@redhat.com>
2624 PR c++/83916 - ICE with template template parameters.
2625 * pt.c (convert_template_argument): Don't substitute into type of
2626 non-type parameter if we don't have enough arg levels.
2629 2018-03-14 Marek Polacek <polacek@redhat.com>
2632 * semantics.c (finish_static_assert): Check
2633 instantiation_dependent_expression_p instead of
2634 {type,value}_dependent_expression_p.
2636 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
2637 Jason Merrill <jason@redhat.com>
2639 PR c++/82336 - link error with list-init default argument.
2640 * decl.c (check_default_argument): Unshare an initializer list.
2642 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2645 * decl.c (duplicate_decls): For redefinition of built-in, use error
2646 and return error_mark_node. For redeclaration, return error_mark_node
2647 rather than olddecl if !flag_permissive.
2649 2018-03-13 Jason Merrill <jason@redhat.com>
2651 PR c++/82565 - ICE with concepts and generic lambda.
2652 * pt.c (instantiate_decl): Clear fn_context for lambdas.
2654 2018-03-13 Jason Merrill <jason@redhat.com>
2656 PR c++/84720 - ICE with rvalue ref non-type argument.
2657 * pt.c (convert_nontype_argument): Handle rvalue references.
2659 PR c++/84839 - ICE with decltype of parameter pack.
2660 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
2661 instantiating dummy parms.
2663 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
2664 parameter even without -Wpedantic.
2666 PR c++/84798 - ICE with auto in abstract function declarator.
2667 * parser.c (cp_parser_parameter_declaration_clause): Check
2668 parser->default_arg_ok_p.
2670 2018-03-13 Jakub Jelinek <jakub@redhat.com>
2673 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
2674 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
2675 sizetype. Formatting fixes.
2677 2018-03-12 Jason Merrill <jason@redhat.com>
2679 PR c++/84355 - ICE with deduction for member class template.
2680 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
2681 CLASS_PLACEHOLDER_TEMPLATE.
2683 PR c++/84802 - ICE capturing uninstantiated class.
2684 * lambda.c (build_capture_proxy): Call complete_type.
2686 2018-03-09 Jason Merrill <jason@redhat.com>
2688 PR c++/84770 - ICE with typedef and parameter pack.
2689 * pt.c (verify_unstripped_args_1): Split out from
2690 verify_unstripped_args.
2692 PR c++/84785 - ICE with alias template and default targs.
2693 * pt.c (type_unification_real): Set processing_template_decl if
2696 PR c++/84752 - ICE with capture of constexpr array.
2697 * call.c (standard_conversion): Set rvaluedness_matches_p on the
2698 identity conversion under ck_lvalue.
2700 2018-03-09 Jason Merrill <jason@redhat.com>
2701 Paolo Carlini <paolo.carlini@oracle.com>
2705 * pt.c (any_erroneous_template_args_p): New.
2706 * cp-tree.h (any_erroneous_template_args_p): Declare it.
2707 * parser.c (cp_parser_class_specifier_1): Use it.
2709 2018-03-09 Jason Merrill <jason@redhat.com>
2711 PR c++/84726 - unnecessary capture of constant vars.
2712 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
2713 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
2714 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
2715 * lambda.c (is_constant_capture_proxy)
2716 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
2717 (prune_lambda_captures): New.
2718 (finish_lambda_function): Call prune_lambda_captures.
2720 2018-03-09 Jason Merrill <jason@redhat.com>
2721 Jakub Jelinek <jakub@redhat.com>
2724 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
2725 build ADDR_EXPR with REFERENCE_TYPE.
2726 (build_over_call): For purposes of check_function_arguments, if
2727 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
2728 its operand rather than the argument itself.
2730 2018-03-09 Jakub Jelinek <jakub@redhat.com>
2733 * decl.c (duplicate_decls): Don't override __* prefixed builtins
2734 except for __[^b]*_chk, instead issue permerror and for -fpermissive
2735 also a note and return olddecl.
2737 2018-03-09 Nathan Sidwell <nathan@acm.org>
2740 * name-lookup.c (do_pushdecl_with_scope): Only clear
2741 current_function_decl when pushing a non-class (i.e. namespace)
2744 2018-03-08 Jason Merrill <jason@redhat.com>
2745 Jakub Jelinek <jakub@redhat.com>
2748 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
2749 not calling mark_used for the benefit of -Wunused-function warning.
2751 2018-03-06 Jason Merrill <jason@redhat.com>
2753 * lambda.c (is_capture_proxy_with_ref): Remove.
2754 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
2756 2018-03-06 Marek Polacek <polacek@redhat.com>
2759 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
2762 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
2765 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
2766 only while processing template decls.
2767 * typeck.c (build_x_conditional_expr): Move wrapping of
2768 reference type around type...
2769 * call.c (build_conditional_expr_1): ... here. Rename
2770 is_lvalue to is_glvalue.
2771 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
2772 INDIRECT_REF of COND_EXPR too.
2775 * init.c (build_zero_init_1): Zero-initialize references.
2778 * semantics.c (finish_stmt_expr_expr): Reject unresolved
2779 overloads used as stmt expr values.
2781 2018-03-05 Jason Merrill <jason@redhat.com>
2783 PR c++/84708 - ICE with lambda in local class NSDMI.
2784 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
2787 2018-03-05 Jakub Jelinek <jakub@redhat.com>
2790 * constexpr.c (constexpr_call_hasher::equal): Return false if
2791 lhs->hash != rhs->hash. Change return 1 to return true and
2792 return 0 to return false.
2794 2018-03-05 Nathan Sidwell <nathan@acm.org>
2797 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
2799 2018-03-05 Marek Polacek <polacek@redhat.com>
2802 * decl.c (duplicate_decls): Check DECL_NAME before accessing
2805 2018-03-05 Nathan Sidwell <nathan@acm.org>
2808 * friend.c (do_friend): Restore check for identifier_p inside
2811 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
2814 * parser.c (cp_parser_lambda_introducer): Reject any capture not
2815 involving a VAR_DECL or a PARM_DECL.
2817 2018-03-05 Pádraig Brady <P@draigBrady.com>
2818 Jason Merrill <jason@redhat.com>
2819 Nathan Sidwell <nathan@acm.org>
2822 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
2824 2018-03-03 Jason Merrill <jason@redhat.com>
2826 PR c++/84686 - missing volatile loads.
2827 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
2829 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
2832 * optimize.c (maybe_thunk_body): Bail out immediately if either
2833 fns[0] or fns[1] is null.
2835 2018-03-02 Marek Polacek <polacek@redhat.com>
2838 * constexpr.c (get_array_or_vector_nelts): New.
2839 (cxx_eval_array_reference): Use it.
2840 (cxx_eval_vec_init_1): Likewise.
2841 (cxx_eval_store_expression): Likewise.
2843 2018-03-02 Jason Merrill <jason@redhat.com>
2845 * semantics.c (force_paren_expr): Remove redundant test.
2847 2018-03-02 Marek Polacek <polacek@redhat.com>
2850 * decl.c (cp_complete_array_type): Check error_mark_node.
2853 * typeck.c (cp_perform_integral_promotions): Check the result of
2856 2018-03-02 Jakub Jelinek <jakub@redhat.com>
2859 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
2860 RETURN instead of return.
2861 <case POINTER_PLUS_EXPR>: Likewise.
2862 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
2863 it instead of wrapping it into CONVERT_EXPR.
2865 2018-03-02 Jason Merrill <jason@redhat.com>
2868 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
2870 2018-03-02 Marek Polacek <polacek@redhat.com>
2873 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
2874 wrapped in VIEW_CONVERT_EXPR.
2876 2018-03-01 Martin Sebor <msebor@redhat.com>
2879 * decl.c (check_redeclaration_no_default_args): Merge attributes
2880 specified on redeclarations of the same function template.
2883 2018-03-01 Marek Polacek <polacek@redhat.com>
2884 Jason Merrill <jason@redhat.com>
2887 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
2889 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
2890 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
2891 of instantiate_non_dependent_expr.
2892 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
2894 2018-03-01 Nathan Sidwell <nathan@acm.org>
2897 * name-lookup.c (member_vec_dedup): Remove manually peeled
2898 iteration. Ignore dependent ctor inheritance.
2900 2018-03-01 Jason Merrill <jason@redhat.com>
2902 PR c++/71569 - decltype of template.
2903 * parser.c (cp_parser_decltype_expr): Handle missing template args.
2905 2018-03-01 Marek Polacek <polacek@redhat.com>
2908 * constexpr.c (require_rvalue_constant_expression): New function.
2909 * cp-tree.h: Declare it.
2910 * semantics.c (finish_static_assert): Use it instead of
2911 require_potential_rvalue_constant_expression.
2913 2018-03-01 Jason Merrill <jason@redhat.com>
2914 Alexandre Oliva <aoliva@redhat.com>
2916 PR c++/71569 - ICE with redundant args on member variable template.
2917 * decl.c (start_decl): Handle partial specialization of member
2919 * pt.c (determine_specialization): Allow partial specialization
2920 of member variable template without specializing enclosing class.
2921 (process_partial_specialization): Improve error message.
2923 2018-02-28 Jason Merrill <jason@redhat.com>
2925 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
2926 * pt.c (determine_specialization): Check ref-qualifier.
2928 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2931 * parser.c (cp_parser_attributes_opt): Formatting fix.
2932 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
2933 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
2935 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
2936 instead of tentative parse to peek over optional attribute tokens
2937 to check for CPP_COLON after them.
2941 * pt.c (INCLUDE_STRING): Remove define.
2942 (warn_spec_missing_attributes): Use pretty_printer instead of
2943 std::string. Fix up inform call so that the list of attributes
2946 2018-02-28 Martin Sebor <msebor@redhat.com>
2949 * decl.c (duplicate_decls): Fully merge attributes const, pure,
2952 2018-02-28 Nathan Sidwell <nathan@acm.org>
2955 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
2956 * name-lookup.c (fields_linear_search): Look in an anon-aggr
2957 regardless of want_type.
2958 (search_anon_aggr): Just use get_class_binding_direct.
2960 2018-02-28 Jakub Jelinek <jakub@redhat.com>
2962 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
2965 2018-02-27 Martin Sebor <msebor@redhat.com>
2967 * pt.c: Avoid including <string> directly.
2969 2018-02-27 Martin Sebor <msebor@redhat.com>
2973 * cp-tree.h (warn_spec_missing_attributes): New function.
2974 ((check_explicit_specialization): Add an argument. Call the above
2976 * decl.c (duplicate_decls): Avoid applying primary function template's
2977 attributes to its explicit specializations.
2978 cp/pt.c (warn_spec_missing_attributes): Define.
2980 2018-02-27 HĂĄkon Sandsmark <hsandsmark@gmail.com>
2982 PR c++/71546 - lambda init-capture with qualified-id.
2983 * parser.c (cp_parser_lambda_introducer): Clear scope after
2984 each lambda capture.
2986 2018-02-27 Nathan Sidwell <nathan@acm.org>
2989 * name-lookup.h (get_member_slot): Rename ...
2990 (find_member_slot): ... here.
2991 (add_member_slot): New.
2992 * name-lookup.c (member_vec_linear_search): No need to check for
2994 (get_member_slot): Rename ...
2995 (find_member_slot): ... here. Don't add slot for incomplete class.
2996 (add_member_slot): New.
2997 * class.c (add_method): Adjust get_member_slot rename. Bail out
2998 if push_class_level_binding fails. Create slot and grok
2999 properties once we're committed to insertion.
3001 2018-02-27 Jason Merrill <jason@redhat.com>
3003 PR c++/84489 - dependent default template argument
3004 * pt.c (type_unification_real): Handle early substitution failure.
3006 2018-02-26 Jason Merrill <jason@redhat.com>
3008 PR c++/84560 - ICE capturing multi-dimensional VLA.
3009 * tree.c (array_of_runtime_bound_p): False if the element is
3012 PR c++/84441 - ICE with base initialized from ?:
3013 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
3015 PR c++/84520 - ICE with generic lambda in NSDMI.
3016 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
3017 'this' in a generic lambda instantiation.
3019 PR c++/84559 - ICE with constexpr VLA.
3020 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
3021 for constexpr variable with VLA type.
3023 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3026 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
3027 a valid constant initializer. Formatting fixes.
3029 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3032 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
3033 returning NULL_TREE.
3034 (apply_late_template_attributes): Likewise.
3036 2018-02-26 Jakub Jelinek <jakub@redhat.com>
3039 * parser.c (cp_parser_omp_var_list_no_open): Only call
3040 cp_parser_lookup_name_simple on names satisfying identifier_p.
3041 (cp_parser_oacc_routine): Likewise.
3043 2018-02-26 Jason Merrill <jason@redhat.com>
3045 PR c++/84551 - ICE with concepts and -g.
3046 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
3048 2018-02-26 Marek Polacek <polacek@redhat.com>
3051 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
3054 2018-02-26 Jason Merrill <jason@redhat.com>
3056 PR c++/84447 - ICE with deleted inherited ctor with default arg.
3057 * call.c (build_over_call): Handle deleted functions in one place.
3059 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3062 * decl.c (redeclaration_error_message): Don't try to use
3063 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
3065 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
3067 * lambda.c (build_capture_proxy): Define static.
3068 * cp-tree.h (build_capture_proxy): Remove.
3070 2018-02-26 Marek Polacek <polacek@redhat.com>
3073 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
3074 if name is error node.
3076 2018-02-25 Jason Merrill <jason@redhat.com>
3078 PR c++/84015 - ICE with class deduction and auto template parm.
3079 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
3081 2018-02-24 Marek Polacek <polacek@redhat.com>
3084 * constexpr.c (maybe_constant_init_1): New function.
3085 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
3086 (cxx_constant_init): New function.
3087 * cp-tree.h (cxx_constant_init): Declare.
3088 * typeck2.c (store_init_value): Call cxx_constant_init instead of
3089 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
3091 2018-02-22 Jason Merrill <jason@redhat.com>
3093 PR c++/70468 - ICE with constructor delegation via typedef.
3094 * pt.c (tsubst_initializer_list): Check for other mem-initializers
3095 with constructor delegation.
3097 2018-02-22 Jason Merrill <jason@redhat.com>
3099 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
3100 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
3103 2018-02-22 Marek Polacek <polacek@redhat.com>
3106 * parser.c (cp_parser_braced_list): Use require_open instead of
3109 2018-02-21 Jason Merrill <jason@redhat.com>
3111 PR c++/84454 - ICE with pack expansion in signature.
3112 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
3114 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
3116 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
3119 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
3122 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
3125 2018-02-20 Jakub Jelinek <jakub@redhat.com>
3128 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
3129 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
3132 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
3133 returns error_mark_node, return it immediately.
3134 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
3135 error_mark_node, return error_mark_node.
3138 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
3139 function_depth to avoid GC during finish_lambda_function.
3141 2018-02-19 Jason Merrill <jason@redhat.com>
3143 PR c++/84429 - ICE capturing VLA.
3144 * lambda.c (build_capture_proxy): Handle reference refs.
3146 2018-02-19 Jakub Jelinek <jakub@redhat.com>
3149 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
3150 either operand is error_mark_node, set current.lhs to that instead of
3151 creating a binary op with error_mark_node operands.
3154 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
3156 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
3159 * decl.c (grokdeclarator): Early return error_mark_node upon
3160 ill-formed friend declaration.
3162 2018-02-16 Marek Polacek <polacek@redhat.com>
3163 Jakub Jelinek <jakub@redhat.com>
3166 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
3167 set *jump_target to anything if jump_target is NULL.
3169 2018-02-16 Jason Merrill <jason@redhat.com>
3171 PR c++/84151 - unnecessary volatile load with static member.
3172 * call.c (build_new_method_call_1): Avoid loading from a volatile
3173 lvalue used as the object argument for a static member function.
3175 PR c++/81853 - using-directive and constexpr.
3176 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
3178 PR c++/84420 - ICE with structured binding in lambda.
3179 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
3181 PR c++/83835 - C++17 error with constructor ctors.
3182 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
3184 PR c++/82664 - ICE with reference to function template parm.
3185 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
3188 PR c++/82764 - C++17 ICE with empty base
3189 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
3191 2018-02-16 Jason Merrill <jason@redhat.com>
3193 PR c++/84421 - type-dependent if constexpr
3194 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
3196 2018-02-16 Nathan Sidwell <nathan@acm.org>
3198 Deprecate -ffriend-injection.
3199 * decl.c (cxx_init_decl_processing): Emit warning on option.
3200 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
3203 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
3206 * decl.c (check_special_function_return_type): Reject template
3207 template parameter in deduction guide.
3209 2018-02-16 Nathan Sidwell <nathan@acm.org>
3212 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
3214 2018-02-15 Jason Merrill <jason@redhat.com>
3216 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
3217 * call.c (convert_like_real): Don't use the copy-list-initialization
3218 shortcut for ck_base.
3220 PR c++/84045 - ICE with typedef and noexcept.
3221 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
3223 PR c++/84376 - ICE with omitted template arguments.
3224 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
3226 PR c++/84368 - wrong error with local variable in variadic lambda.
3227 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
3228 local_specializations.
3230 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
3233 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
3236 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3239 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
3242 2018-02-14 Nathan Sidwell <nathan@acm.org>
3244 * decl2.c (mark_vtable_entries): Set input_location to decl's.
3245 (c_parse_final_cleanups): Restore input_location after emitting
3248 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
3250 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
3251 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
3252 auto_deduction_context, tree, int): Add defaults.
3253 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
3254 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
3255 tsubst_flags_t argument.
3256 * init.c (build_new): Likewise.
3258 2018-02-13 Jakub Jelinek <jakub@redhat.com>
3261 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
3262 about return other than *this in assignment operators if
3263 retval is type dependent expression.
3265 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
3268 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
3269 save_expr for the G++ extension.
3271 2018-02-13 Jason Merrill <jason@redhat.com>
3273 PR c++/84080 - ICE with return type deduction and specialization.
3274 * pt.c (determine_specialization): Check uses_template_parms.
3276 Fix more variadic capture issues.
3277 * pt.c (find_parameter_packs_r): Also look at explicit captures.
3278 (check_for_bare_parameter_packs): Check current_class_type for
3280 (extract_locals_r): Handle seeing a full instantiation of a pack.
3281 (tsubst_pack_expansion): Likewise. Force lambda capture.
3282 * parser.c (cp_parser_lambda_introducer): Don't
3283 check_for_bare_parameter_packs.
3285 PR c++/84338 - wrong variadic sizeof.
3286 * pt.c (argument_pack_select_arg): Like the macro, but look through
3288 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
3289 (extract_fnparm_pack): Do make_pack_expansion.
3290 (extract_locals_r): Do strip a pack expansion.
3291 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
3293 2018-02-12 Jakub Jelinek <jakub@redhat.com>
3296 * parser.c (cp_parser_binary_expression): Use build_min instead of
3297 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
3299 2018-02-12 Nathan Sidwell <nathan@acm.org>
3302 * parser.c (cp_parser_decltype): Push and pop
3303 deferring_access_checks. Reorganize to avoid goto.
3305 2018-02-12 Richard Biener <rguenther@suse.de>
3308 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
3309 uniform constructors and delay allocating them fully.
3311 2018-02-09 Jason Merrill <jason@redhat.com>
3313 PR c++/84036 - ICE with variadic capture.
3314 Handle variadic capture proxies more like non-variadic.
3315 * lambda.c (build_capture_proxy): Remove workaround.
3316 * pt.c (find_parameter_packs_r): The proxy is a pack.
3317 (instantiate_class_template_1): Remove dead lambda code.
3318 (extract_fnparm_pack): Don't make_pack_expansion.
3319 (extract_locals_r): Don't strip a pack expansion.
3320 (tsubst_pack_expansion): Handle proxy packs. Use
3321 PACK_EXPANSION_EXTRA_ARGS less.
3322 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
3323 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
3324 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
3325 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
3326 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
3328 2018-02-10 Jakub Jelinek <jakub@redhat.com>
3331 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
3333 2018-02-09 Jason Merrill <jason@redhat.com>
3335 PR c++/81917 - ICE with void_t and partial specialization.
3336 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
3337 calling most_specialized_partial_spec.
3339 2018-02-09 Nathan Sidwell <nathan@acm.org>
3342 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
3343 Pass expr location to strict_aliasing_warning.
3345 2018-02-09 Jason Merrill <jason@redhat.com>
3347 PR c++/84296 - ICE with qualified-id in template.
3349 * pt.c (unknown_base_ref_p): New.
3350 (instantiation_dependent_scope_ref_p): Use it instead of
3351 any_dependent_bases_p.
3353 2018-02-09 Marek Polacek <polacek@redhat.com>
3354 Jakub Jelinek <jakub@redhat.com>
3357 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
3358 fold_indirect_ref_1, including poly_*int64. Verify first that
3359 tree_fits_poly_int64_p (op01). Formatting fixes.
3361 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3363 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
3364 * lambda.c (build_capture_proxy): Likewise.
3365 * search.c (field_access_p): Likewise.
3366 * semantics.c (omp_clause_decl, omp_privatize_field,
3367 finish_omp_clauses): Likewise.
3369 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3372 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
3373 case of nullptr too.
3375 2018-02-08 Nathan Sidwell <nathan@acm.org>
3377 * class.c (finish_struct): Fix std:initializer_list diagnostic
3380 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
3383 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
3385 2018-02-07 Jakub Jelinek <jakub@redhat.com>
3388 * parser.c (cp_parser_dot_deref_incomplete): New function.
3389 (cp_parser_postfix_dot_deref_expression): Use it.
3391 2018-02-07 David Malcolm <dmalcolm@redhat.com>
3395 * name-lookup.c (suggest_rid_p): New function.
3396 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
3399 2018-02-07 Jason Merrill <jason@redhat.com>
3401 PR c++/84182 - ICE with captured lambda
3403 * pt.c (extract_locals_r, extract_local_specs): New.
3404 (tsubst_pack_expansion): Use them.
3406 2018-02-07 Martin Liska <mliska@suse.cz>
3409 * class.c (add_method): Append argument value.
3410 * cp-tree.h (maybe_version_functions): Add new argument.
3411 * decl.c (decls_match): Call it if a declaration does not
3412 have DECL_FUNCTION_VERSIONED.
3413 (maybe_version_functions): record argument is added.
3415 2018-02-05 Marek Polacek <polacek@redhat.com>
3417 * class.c: Remove unused global variables.
3418 (build_primary_vtable): Don't gather statistics.
3419 (print_class_statistics): Remove.
3420 * cp-tree.h (print_class_statistics): Remove.
3421 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
3423 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
3425 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
3426 * constexpr.c (cx_check_missing_mem_inits): Likewise.
3427 * decl.c (next_initializable_field, find_decomp_class_base,
3428 cp_finish_decomp): Likewise.
3429 * typeck2.c (process_init_constructor_record): Likewise.
3431 2018-02-02 Jason Merrill <jason@redhat.com>
3433 PR c++/84181 - ICE with lambda parm in template argument.
3434 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
3436 2018-02-01 Jason Merrill <jason@redhat.com>
3438 PR c++/84160 - ICE with nested variadic capture.
3439 * lambda.c (is_capture_proxy_with_ref): New.
3440 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
3442 * expr.c (mark_use): Use is_capture_proxy_with_ref.
3443 * constexpr.c (potential_constant_expression_1): Likewise.
3444 * semantics.c (process_outer_var_ref): Likewise.
3446 2018-02-01 Marek Polacek <polacek@redhat.com>
3449 * typeck.c (build_address): Relax the assert when
3450 processing_template_decl.
3452 2018-02-01 Jason Merrill <jason@redhat.com>
3454 PR c++/84126 - ICE with variadic generic lambda
3457 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
3458 PACK_EXPANSION_EXTRA_ARGS.
3460 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
3463 * call.c (convert_like_real): If w're initializing from {} explicitly
3464 call abstract_virtuals_error_sfinae.
3466 2018-01-31 Jason Merrill <jason@redhat.com>
3467 Jakub Jelinek <jakub@redhat.com>
3470 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
3471 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
3474 2018-01-31 Jakub Jelinek <jakub@redhat.com>
3477 * constexpr.c (diag_array_subscript): Emit different diagnostics
3478 if TYPE_DOMAIN (arraytype) is NULL.
3479 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
3480 with NULL TYPE_DOMAIN use size_zero_node as nelts.
3482 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
3485 * semantics.c (finish_qualified_id_expr): When handling an
3486 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
3488 2018-01-31 Marek Polacek <polacek@redhat.com>
3491 * cp-gimplify.c (cp_fold): Check if X is an error node before
3492 calling useless_type_conversion_p.
3494 2018-01-30 Jason Merrill <jason@redhat.com>
3496 PR c++/84091 - ICE with local class in lambda in template.
3497 * decl2.c (determine_visibility): Look for outer containing template
3500 PR c++/84098 - ICE with lambda in template NSDMI.
3501 * pt.c (instantiate_class_template_1): Ignore more lambdas.
3503 2018-01-29 Jason Merrill <jason@redhat.com>
3505 PR c++/68810 - wrong location for reinterpret_cast error.
3506 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
3509 2018-01-29 Marek Polacek <polacek@redhat.com>
3512 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
3513 => fooarray[1] in offset_int.
3515 2018-01-29 Jason Merrill <jason@redhat.com>
3517 PR c++/83942 - wrong unused warning with static_cast.
3518 * cvt.c (ocp_convert): Call mark_rvalue_use.
3520 2018-01-26 Jason Merrill <jason@redhat.com>
3522 PR c++/83956 - wrong dtor error with anonymous union
3523 * method.c (walk_field_subobs): Variant members only affect
3525 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
3527 PR c++/84036 - ICE with variadic capture.
3529 * pt.c (tsubst_pack_expansion): When optimizing a simple
3530 substitution, pull a single pack expansion out of its pack.
3532 PR c++/82514 - ICE with local class in generic lambda.
3533 * pt.c (regenerated_lambda_fn_p): Remove.
3534 (enclosing_instantiation_of): Don't use it.
3535 (tsubst_function_decl): Call enclosing_instantiation_of.
3537 * pt.c (lookup_template_class_1): Add sanity check.
3538 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
3540 2018-01-25 Jakub Jelinek <jakub@redhat.com>
3543 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
3544 recursive calls that return ret.
3545 (cp_finish_decomp): Ignore unnamed bitfields.
3547 2018-01-23 Jason Merrill <jason@redhat.com>
3549 PR c++/82249 - wrong mismatched pack length error.
3550 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
3551 unsubstituted function parameter pack.
3553 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
3556 * decl.c (check_for_uninitialized_const_var): Not static; add
3557 bool and tsubst_flags_t parameters; adjust to be used both in
3558 constexpr context and not.
3559 * constexpr.c (potential_constant_expression_1): Use the above.
3560 * cp-tree.h (check_for_uninitialized_const_var): Declare.
3562 2018-01-23 Jason Merrill <jason@redhat.com>
3564 PR c++/83947 - ICE with auto declarations.
3565 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
3566 * decl.c (undeduced_auto_decl): Limit to vars and fns.
3568 2018-01-23 David Malcolm <dmalcolm@redhat.com>
3571 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
3572 for pointer to member function types.
3574 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3577 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
3578 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
3580 2018-01-23 Nathan Sidwell <nathan@acm.org>
3583 * pt.c (tsubst_baselink): Remove optype assert.
3584 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
3586 2018-01-23 Jakub Jelinek <jakub@redhat.com>
3589 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
3590 refers to incomplete type.
3592 2018-01-23 Nathan Sidwell <nathan@acm.org>
3594 Deprecate ARM-era for scope handling
3595 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
3596 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
3598 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
3600 * semantics.c (begin_for_scope): Flag_new_for_scope is
3602 (finish_for_stmt, begin_range_for_stmt): Likewise.
3604 2018-01-22 Jason Merrill <jason@redhat.com>
3607 * decl2.c (determine_visibility): Fix template_decl handling
3608 instead of blocking it.
3610 PR c++/83720 - ICE with lambda and LTO.
3611 * decl2.c (determine_visibility): Clear template_decl for
3612 function-scope decls. Propagate anonymous linkage from containing
3615 2018-01-22 Marek Polacek <polacek@redhat.com>
3618 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
3621 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
3624 * decl.c (grokdeclarator): Don't diagnose extra parens
3627 2018-01-19 Jakub Jelinek <jakub@redhat.com>
3630 * call.c (joust): Use TREE_TYPE (source) if source is
3631 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
3634 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
3635 for direct enum init.
3636 * decl.c (reshape_init): Likewise.
3638 2018-01-19 Marek Polacek <polacek@redhat.com>
3640 * constexpr.c (fold_simple): Simplify.
3642 2018-01-18 Jason Merrill <jason@redhat.com>
3645 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
3646 * pt.c (instantiation_dependent_scope_ref_p): True if
3647 any_dependent_bases_p.
3649 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3651 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
3652 vs DECL_NONTRIVIALLY_INITIALIZED_P).
3654 2018-01-18 Jason Merrill <jason@redhat.com>
3656 PR c++/82461 - constexpr list-initialized member
3657 * constexpr.c (potential_constant_expression_1): Check
3658 TARGET_EXPR_DIRECT_INIT_P.
3660 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
3663 * decl.c (xref_basetypes): Early return upon error about derived
3666 2018-01-18 Nathan Sidwell <nathan@acm.org>
3669 * cp-tree.h (mark_use): Declare.
3670 * expr.c (mark_use): Make extern.
3671 * call.c (direct_reference_binding): Set inner conv's
3672 rvaluedness_matches_p, if it is an identity.
3673 (convert_like_real): Mark lvalue or rvalue use for identity as
3674 rvaledness_matches_p demands.
3676 2018-01-18 Jakub Jelinek <jakub@redhat.com>
3679 * parser.c (attr_chainon): New function.
3680 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
3681 cp_parser_namespace_definition, cp_parser_init_declarator,
3682 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
3683 cp_parser_gnu_attributes_opt): Use it.
3684 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
3685 cp_parser_objc_struct_declaration): Likewise. Don't reset
3686 prefix_attributes if attributes is error_mark_node.
3688 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3691 * decl.c (grokdeclarator): Do not append the error_mark_node
3692 due to an erroneous optional attribute-specifier-seq.
3694 2018-01-17 Jakub Jelinek <jakub@redhat.com>
3697 * cp-gimplify.c (cp_maybe_instrument_return): Handle
3700 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
3703 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
3704 error_mark_node when we give an error.
3705 * decl.c (cp_finish_decl): Use the latter.
3707 2018-01-17 Nathan Sidwell <nathan@acm.org>
3710 * init.c (build_raw_new_expr): Scan list for lookups to keep.
3712 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3715 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
3716 the C++ part. If processing a template, call
3717 fold_non_dependent_expr rather than fully folding.
3719 2018-01-17 Jason Merrill <jason@redhat.com>
3721 PR c++/81067 - redundant NULL warning.
3722 * call.c (convert_like_real): Restore null_node handling.
3724 2018-01-17 Jason Merrill <jason@redhat.com>
3726 PR c++/81843 - ICE with variadic member template.
3728 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
3731 2018-01-17 David Malcolm <dmalcolm@redhat.com>
3734 * pt.c (type_dependent_expression_p): Strip any location wrapper
3735 before testing tree codes.
3736 (selftest::test_type_dependent_expression_p): New function.
3737 (selftest::cp_pt_c_tests): Call it.
3739 2018-01-17 Nathan Sidwell <nathan@acm.org>
3742 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
3743 this not a final instantiation.
3745 2018-01-16 Jason Merrill <jason@redhat.com>
3747 PR c++/83714 - ICE checking return in template.
3748 * typeck.c (check_return_expr): Call build_non_dependent_expr.
3750 2018-01-16 Jakub Jelinek <jakub@redhat.com>
3753 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
3754 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
3755 instead of CALL_FROM_THUNK_P.
3758 * name-lookup.c (member_vec_dedup): Return early if len is 0.
3759 (resort_type_member_vec, set_class_bindings,
3760 insert_late_enum_def_bindings): Use vec qsort method instead of
3761 calling qsort directly.
3763 2018-01-15 Martin Sebor <msebor@redhat.com>
3766 * class.c (find_flexarrays): Make a record of multiple flexible array
3769 2018-01-12 Jason Merrill <jason@redhat.com>
3771 PR c++/83186 - ICE with static_cast of list-initialized temporary.
3772 * typeck.c (build_static_cast): Use build_non_dependent_expr.
3774 2018-01-12 Nathan Sidwell <nathan@acm.org>
3776 * cp-tree.h (mark_rvalue_use): Add parm name.
3777 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
3779 * call.c (convert_like_real): Fix formatting.
3781 2018-01-11 Jason Merrill <jason@redhat.com>
3783 PR c++/82728 - wrong -Wunused-but-set-variable
3786 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
3787 * decl.c (case_conversion): Likewise.
3788 * semantics.c (finish_static_assert): Call
3789 perform_implicit_conversion_flags.
3791 2018-01-11 Nathan Sidwell <nathan@acm.org>
3793 * method.c (enum mangling_flags): Delete long-dead enum.
3795 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3797 * parser.c (cp_parser_std_attribute_spec): When
3798 token_pair::require_open / require_close return false simply
3799 return error_mark_node, avoid duplicate cp_parser_error about
3800 expected '(' / ')', respectively.
3802 2018-01-10 David Malcolm <dmalcolm@redhat.com>
3805 * call.c (null_ptr_cst_p): Strip location wrappers when
3806 converting from '0' to a pointer type in C++11 onwards.
3807 (conversion_null_warnings): Replace comparison with null_node with
3808 call to null_node_p.
3809 (build_over_call): Likewise.
3810 * cp-gimplify.c (cp_fold): Remove the early bailout when
3811 processing_template_decl.
3812 * cp-lang.c (selftest::run_cp_tests): Call
3813 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
3814 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
3815 (selftest::run_cp_tests): Move decl to bottom of file.
3816 (null_node_p): New inline function.
3817 (selftest::cp_pt_c_tests): New decl.
3818 (selftest::cp_tree_c_tests): New decl.
3819 * cvt.c (build_expr_type_conversion): Replace comparison with
3820 null_node with call to null_node_p.
3821 * error.c (args_to_string): Likewise.
3822 * except.c (build_throw): Likewise.
3823 * mangle.c (write_expression): Skip location wrapper nodes.
3824 * parser.c (literal_integer_zerop): New function.
3825 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
3826 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
3827 param of cp_parser_parenthesized_expression_list. When calling
3828 warn_for_memset, replace integer_zerop calls with
3829 literal_integer_zerop, eliminating the double logical negation
3830 cast to bool. Eliminate the special-casing for CONST_DECL in
3831 favor of the fold_for_warn within warn_for_memset.
3832 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
3833 param, defaulting to false. Convert "expr" to a cp_expr, and call
3834 maybe_add_location_wrapper on it when wrap_locations_p is true.
3835 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
3836 the result for RID_ALIGNOF and RID_SIZEOF.
3837 (cp_parser_builtin_offsetof): Likewise.
3838 * pt.c: Include "selftest.h".
3839 (tsubst_copy): Handle location wrappers.
3840 (tsubst_copy_and_build): Likewise.
3841 (build_non_dependent_expr): Likewise.
3842 (selftest::test_build_non_dependent_expr): New function.
3843 (selftest::cp_pt_c_tests): New function.
3844 * tree.c: Include "selftest.h".
3845 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
3846 (selftest::test_lvalue_kind): New function.
3847 (selftest::cp_tree_c_tests): New function.
3848 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
3849 (cp_build_binary_op): Replace comparison with null_node with call
3851 (build_address): Use location of operand when building address
3854 2018-01-10 Marek Polacek <polacek@redhat.com>
3857 * call.c (build_conditional_expr_1): Check complain before warning.
3858 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
3859 -Wduplicated-branches.
3861 2018-01-10 Jakub Jelinek <jakub@redhat.com>
3864 * call.c (maybe_warn_class_memaccess): Add forward declaration.
3865 Change last argument from tree * to const vec<tree, va_gc> *, adjust
3866 args uses and check number of operands too. Don't strip away any
3867 nops. Use maybe_constant_value when looking for INTEGER_CST args.
3868 Deal with src argument not having pointer type. Check
3869 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
3871 (build_over_call): Call maybe_warn_class_memaccess here on the
3873 (build_cxx_call): Rather than here on converted arguments.
3875 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
3878 * init.c (build_vec_init): Avoid building an INIT_EXPR with
3879 error_mark_node as second argument.
3881 2018-01-09 Jakub Jelinek <jakub@redhat.com>
3884 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
3885 in STATEMENT_LIST. Remove unneeded assert.
3887 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
3888 Alan Hayward <alan.hayward@arm.com>
3889 David Sherwood <david.sherwood@arm.com>
3891 * constexpr.c (cxx_eval_array_reference): Handle polynomial
3893 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
3894 * call.c (build_conditional_expr_1): Likewise.
3895 * decl.c (cp_finish_decomp): Likewise.
3896 * mangle.c (write_type): Likewise.
3897 * typeck.c (structural_comptypes): Likewise.
3898 (cp_build_binary_op): Likewise.
3899 * typeck2.c (process_init_constructor_array): Likewise.
3901 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3904 * typeck.c (build_static_cast_1): For static casts to reference types,
3905 call build_base_path with flag_delete_null_pointer_checks as nonnull
3906 instead of always false. When -fsanitize=null, call
3907 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
3908 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
3909 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
3911 2018-01-03 Nathan Sidwell <nathan@acm.org>
3914 * method.c (make_alias_for): Copy DECL_CONTEXT.
3916 2018-01-03 Marek Polacek <polacek@redhat.com>
3919 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
3921 2018-01-03 Jakub Jelinek <jakub@redhat.com>
3923 PR preprocessor/83602
3924 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
3928 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
3929 error_mark_node, return error_mark_node.
3931 Update copyright years.
3933 2018-01-02 Jakub Jelinek <jakub@redhat.com>
3936 * tree.c (replace_placeholders_r): Pass NULL as last argument to
3937 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
3938 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
3939 to false and return.
3940 (replace_placeholders): Pass NULL instead of &pset as last argument
3943 2018-01-02 Nathan Sidwell <nathan@acm.org>
3945 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
3948 Copyright (C) 2018 Free Software Foundation, Inc.
3950 Copying and distribution of this file, with or without modification,
3951 are permitted in any medium without royalty provided the copyright
3952 notice and this notice are preserved.