1 2016-12-07 Nathan Sidwell <nathan@acm.org>
3 * cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER &
4 CPTI_DECLTYPE_AUTO_IDENTIFIER.
5 (auto_identifier, decltype_auto_identifier): New.
6 *decl.c (initialize_predefined_identifiers): Add 'auto' and
8 (grokdeclarator): Use cached identifier.
9 * pt.c (make_decltype_auto, make_auto, make_constrained_auto,
12 2016-12-02 Jakub Jelinek <jakub@redhat.com>
15 * pt.c (tsubst_init): Don't call build_value_init if decl's type
18 2016-12-02 Cesar Philippidis <cesar@codesourcery.com>
19 James Norris <jnorris@codesourcery.com>
21 * parser.c (cp_parser_oacc_enter_exit_data): Update diagnostics.
22 (cp_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
23 EXIT_DATA,WAIT} are not used in compound statements.
25 2016-12-01 Jason Merrill <jason@redhat.com>
27 * call.c (add_function_candidate): Also exclude inherited ctors
28 that take a type reference-related to the derived class.
30 * call.c (add_function_candidate): Exclude inherited copy/move
33 2016-11-29 David Malcolm <dmalcolm@redhat.com>
36 * name-lookup.c (lookup_name_fuzzy): Filter out reserved words
37 that were filtered out by init_reswords.
39 2016-11-28 Jakub Jelinek <jakub@redhat.com>
40 Jason Merrill <jason@redhat.com>
43 * decl.c (finish_enum_value_list): Call fixup_type_variants on
44 current_class_type after
45 insert_late_enum_def_into_classtype_sorted_fields.
47 2016-11-28 Jakub Jelinek <jakub@redhat.com>
50 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
51 whats_returned through fold_for_warn.
53 2016-11-27 Jason Merrill <jason@redhat.com>
56 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
58 2016-11-24 Martin Liska <mliska@suse.cz>
61 * parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
63 2016-11-23 Jakub Jelinek <jakub@redhat.com>
66 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
67 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
68 with the object on lhs and maybe_constant_value returned expr on rhs.
71 * pt.c (tsubst_copy): Return error_mark_node when mark_used
72 fails, even when complain & tf_error.
75 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
76 false as handle_invisiref_parm_p to cp_genericize_tree.
77 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
78 (cp_genericize_r): Don't wrap is_invisiref_parm into references
79 if !wtd->handle_invisiref_parm_p.
80 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
81 set wtd.handle_invisiref_parm_p to it.
82 (cp_genericize): Pass true as handle_invisiref_parm_p to
83 cp_genericize_tree. Formatting fix.
85 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
88 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
89 Don't overload builtin functions with C++ functions.
90 Handle const_tm_ptr_type_node like file_ptr_node.
91 Copy the TREE_NOTHROW flag unmodified to the old decl.
93 2016-11-18 Jason Merrill <jason@redhat.com>
95 PR objc++/78418 - ICE in string tests on darwin
96 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
98 2016-11-18 Jakub Jelinek <jakub@redhat.com>
101 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
104 2016-11-18 Jason Merrill <jason@redhat.com>
106 PR c++/67631 - list-init and explicit conversions
107 * semantics.c (finish_compound_literal): Call digest_init_flags.
108 * typeck2.c (digest_init_flags): Add complain parm.
109 (store_init_value): Pass it.
111 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
112 Alan Hayward <alan.hayward@arm.com>
113 David Sherwood <david.sherwood@arm.com>
115 * class.c (finish_struct_bits): Use SET_DECL_MODE.
116 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
117 * decl.c (make_label_decl): Likewise.
118 * pt.c (tsubst_decl): Likewise.
120 2016-11-17 Jason Merrill <jason@redhat.com>
122 PR c++/78193 - inherited ctor regressions on sparc32.
123 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
124 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
125 (convert_like_real) [ck_rvalue]: Also pass non-addressable
126 types along directly.
128 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
131 * parser.c (cp_parser_non_integral_constant_expression): Issue a
132 pedwarn instead of an error for case NIC_FLOAT.
134 2016-11-17 Jason Merrill <jason@redhat.com>
136 PR c++/78124 - list-initialization and inherited ctor
137 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
139 PR c++/78369 - {} as default argument
140 * call.c (build_special_member_call): Handle CONSTRUCTOR.
143 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
145 2016-11-16 Jason Merrill <jason@redhat.com>
148 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
149 * typeck2.c (store_init_value): Likewise.
151 * decl.c (store_decomp_type, lookup_decomp_type): New.
152 (cp_finish_decomp): Call store_decomp_type.
153 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
154 * cp-tree.h: Declare lookup_decomp_type.
156 2016-11-15 Jakub Jelinek <jakub@redhat.com>
158 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
159 set DECL_ASSEMBLER_NAME.
160 * parser.c (cp_parser_decomposition_declaration): Likewise
161 if returning error_mark_node.
162 * mangle.c (mangle_decomp): New function.
163 * cp-tree.h (mangle_decomp): New declaration.
165 2016-11-15 Jason Merrill <jason@redhat.com>
168 * semantics.c (finish_decltype_type): Strip references for a tuple
170 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
172 * decl2.c (decl_maybe_constant_var_p): References qualify.
173 * constexpr.c (non_const_var_error): Handle references.
174 * init.c (constant_value_1): Always check decl_constant_var_p.
175 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
176 * error.c (dump_decl_name): Split out from dump_decl.
178 2016-11-14 Jason Merrill <jason@redhat.com>
180 * tree.c (bitfield_p): New.
181 * cp-tree.h: Declare it.
182 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
183 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
184 * decl.c (cp_finish_decomp): Look through reference. Always
185 SET_DECL_DECOMPOSITION_P.
186 * semantics.c (finish_decltype_type): Adjust decomposition handling.
188 2016-11-13 Jakub Jelinek <jakub@redhat.com>
189 Jason Merrill <jason@redhat.com>
191 Implement P0217R3 - C++17 structured bindings
192 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
193 (DECL_DECOMPOSITION_P): New
194 (enum auto_deduction_context): Add adc_decomp_type.
195 (enum cp_declarator_kind): Add cdk_decomp.
196 * constexpr.c (cxx_eval_constant_expression): Look through
198 (potential_constant_expression_1): Likewise.
199 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
200 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
201 (cp_finish_decl): Pass adc_decomp_type for decomposition.
202 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
203 (get_tuple_decomp_init, cp_finish_decomp): New.
204 (grokdeclarator): Handle decomposition.
205 * init.c (build_aggr_init): Handle decomposition array.
206 (build_vec_init): Handle initialization from { array }.
207 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
209 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
210 (function_declarator_p, strip_declarator_types)
211 (cp_parser_check_declarator_template_parameters): Likewise.
212 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
213 (cp_parser_simple_declaration): Parse decomposition.
214 (cp_parser_decomposition_declaration): New.
215 * pt.c (tsubst_decomp_names): New.
216 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
217 (do_auto_deduction): Handle adc_decomp_type.
218 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
219 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
220 * tree.c (lvalue_kind): Likewise.
221 (cp_build_reference_type): Handle reference collapsing.
223 2016-11-13 Jason Merrill <jason@redhat.com>
225 * call.c (build_new_method_call_1): Include template arguments in
227 (print_error_for_call_failure): Likewise.
228 (build_new_function_call): Pass them in.
229 * name-lookup.c (supplement_binding_1): Don't complain about a
230 conflict with an erroneous declaration.
231 * error.c (dump_decl): Fix printing of alias declaration.
232 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
233 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
234 * semantics.c (perform_koenig_lookup): Don't wrap an error in
237 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
240 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
242 2016-11-12 Jason Merrill <jason@redhat.com>
245 * typeck.c (convert_arguments): Handle default arg followed by none.
247 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
248 IMAGPART_EXPR can be lvalues.
252 * pt.c (check_specialization_namespace): Allow any enclosing
254 (check_unqualified_spec_or_inst): New.
255 (check_explicit_specialization): Call it.
256 * parser.c (cp_parser_elaborated_type_specifier)
257 (cp_parser_class_head): Call it.
259 2016-11-10 Jason Merrill <jason@redhat.com>
262 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
263 (instantiate_decl): It's OK to defer a constexpr function.
264 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
266 * decl2.c (decl_defined_p): Use it. No longer static.
267 * decl.c (redeclaration_error_message): Use decl_defined_p.
268 * constexpr.c (cxx_eval_call_expression): Set input_location around
269 call to instantiate_decl.
271 2016-11-10 Jakub Jelinek <jakub@redhat.com>
273 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
274 public or external symbols.
276 2016-11-09 Jakub Jelinek <jakub@redhat.com>
279 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
281 2016-11-09 Jason Merrill <jason@redhat.com>
283 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
284 for template template parameter.
285 (cp_parser_type_id_1): Improve diagnostic.
286 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
287 * pt.c (splice_late_return_type): Not here.
288 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
289 (do_class_deduction): Handle non-class templates.
291 Implement P0127R2, Declaring non-type parameters with auto.
292 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
293 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
295 * pt.c (do_auto_deduction): Add outer_targs parameter.
296 (convert_template_argument): Call do_auto_deduction. If adc_unify,
297 don't give up on dependent init.
298 (unify): Likewise. In C++17, walk into the type of a
300 (for_each_template_parm): Add any_fn parameter.
301 (struct pair_fn_data): Likewise.
302 (for_each_template_parm_r): Call it for any tree. In C++17, walk
303 into the type of a TEMPLATE_PARM_INDEX.
304 (zero_r, array_deduction_r, try_array_deduction): New.
305 (type_unification_real): Call try_array_deduction.
306 (get_partial_spec_bindings): Likewise.
308 2016-11-07 Jason Merrill <jason@redhat.com>
310 Implement P0012R1, Make exception specifications part of the type
312 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
313 (flag_noexcept_type, ce_type): New.
314 * call.c (build_conv): Add ck_fnptr.
315 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
316 (convert_like_real): Likewise.
317 (standard_conversion): Likewise. Allow function pointer
318 conversions for pointers to member functions.
319 (reference_compatible_p): Allow function pointer conversions.
320 (direct_reference_binding): Likewise.
321 (reference_binding): Reference-compatible is no longer a subset of
323 (is_subseq): Also strip ck_lvalue after next_conversion.
324 * class.c (instantiate_type): Check fnptr_conv_p.
325 (resolve_address_of_overloaded_function): Likewise.
326 * cvt.c (can_convert_tx_safety): Now static.
327 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
328 * decl.c (flag_noexcept_type): Define.
329 (cxx_init_decl_processing): Set it.
330 (bad_specifiers): Check it.
331 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
332 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
334 * mangle.c (struct globals): Add need_cxx1z_warning.
335 (mangle_decl): Check it.
336 (write_exception_spec): New.
337 (write_function_type): Call it.
338 (canonicalize_for_substitution): Handle exception spec.
339 (write_type): Likewise.
340 (write_encoding): Set processing_template_decl across mangling of
341 partially-instantiated type.
342 * pt.c (determine_specialization): Pass tf_fndecl_type.
343 (tsubst_decl, fn_type_unification): Likewise.
344 (tsubst): Strip tf_fndecl_type, pass it to
345 tsubst_exception_specification.
346 (convert_nontype_argument_function): Handle function pointer
348 (convert_nontype_argument): Likewise.
349 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
350 * rtti.c (ptr_initializer): Encode noexcept.
351 * tree.c (canonical_eh_spec): New.
352 (build_exception_variant): Use it.
353 * typeck.c (composite_pointer_type): Handle fnptr conversion.
354 (comp_except_specs): Compare canonical EH specs.
355 (structural_comptypes): Call it.
357 * call.c (standard_conversion): Reorganize pointer conversions.
358 * pt.c (convert_nontype_argument_function): Convert to ref here.
359 (convert_nontype_argument): Not here.
360 (convert_template_argument): Add original type to error message.
361 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
362 (unify): Compare function-qualifiers.
363 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
364 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
366 * pt.c (push_tinst_level_loc): Add template instantiations to the
367 announce_function stream.
369 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
372 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
373 to suppress unwanted warnings.
375 2016-11-03 Jason Merrill <jason@redhat.com>
378 * call.c (convert_default_arg): Look through inheriting ctors.
380 2016-11-03 Jakub Jelinek <jakub@redhat.com>
381 Alexandre Oliva <aoliva@redhat.com>
382 Jason Merrill <jason@redhat.com>
386 * tree.c (cp_check_qualified_type): Use check_base_type and
387 TYPE_QUALS comparison instead of check_qualified_type.
388 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
389 * cp-objcp-common.c (cp_get_debug_type): New function.
390 (cp_decl_dwarf_attribute): Don't handle types here.
391 (cp_type_dwarf_attribute): New function.
392 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
394 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
397 2016-11-03 Jason Merrill <jason@redhat.com>
399 * tree.c (cp_check_qualified_type): Call check_base_type instead
400 of check_qualified_type.
401 (cxx_type_hash_eq): Check ref-qualifiers.
402 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
404 2016-11-01 Jason Merrill <jason@redhat.com>
406 Implement P0136R1, Rewording inheriting constructors.
407 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
408 (inherited_ctor_rejection): New.
409 (add_function_candidate): Reject inherited ctors for copying.
410 (enforce_access): Use strip_inheriting_ctors.
411 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
412 (convert_like_real): Avoid copying inheriting ctor parameters.
413 (build_over_call): Likewise. A base ctor inheriting from vbase
414 has no parms. Sorry about varargs.
415 (joust): A local constructor beats inherited with the same convs.
416 * class.c (add_method): Handle hiding inheriting ctors.
417 (one_inherited_ctor): Handle new semantics.
418 (add_implicitly_declared_members): Pass using_decl down.
419 (build_clone): A base ctor inheriting from vbase has no parms.
420 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
421 (SET_DECL_INHERITED_CTOR): Likewise.
422 (DECL_INHERITED_CTOR_BASE): Adjust.
423 * constexpr.c: Adjust.
424 * error.c (dump_function_decl): Decorate inheriting ctors.
425 * init.c (emit_mem_initializers): Suppress access control in
427 * mangle.c (write_special_name_constructor): Handle new inheriting
429 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
430 (ctor_omit_inherited_parms, binfo_inherited_from): New.
431 (synthesized_method_walk): Use binfo_inherited_from. Suppress
432 access control in inheriting ctor.
433 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
434 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
435 (add_one_base_init, do_build_copy_constructor): Adjust.
436 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
437 (implicitly_declare_fn): Adjust.
438 (get_inherited_ctor): Remove.
439 * name-lookup.c (do_class_using_decl): Check for indirect ctor
441 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
442 (maybe_clone_body): Handle omitted parms in base clone.
443 (maybe_thunk_body): Don't thunk if base clone omits parms.
444 * pt.c (tsubst_decl): Adjust.
445 (instantiate_template_1): Suppress access control in inheriting
447 (fn_type_unification): Do deduction with inherited ctor.
448 * tree.c (special_function_p): Adjust.
450 2016-11-01 Jakub Jelinek <jakub@redhat.com>
452 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
454 2016-11-01 Jason Merrill <jason@redhat.com>
456 * class.c (declared_access): Split out from handle_using_decl.
458 2016-10-31 Jakub Jelinek <jakub@redhat.com>
461 * parser.c (cp_parser_postfix_expression): Replace return statement in
462 the first switch with setting postfix_expression to the return
463 expression and break;.
466 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
467 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
468 (tsubst_expr) <case LABEL_EXPR>: Likewise.
470 2016-09-11 Le-Chun Wu <lcwu@google.com>
471 Mark Wielaard <mjw@redhat.com>
473 * name-lookup.c (pushdecl_maybe_friend): When emitting a
474 shadowing warning, use the code corresponding to the
475 given -Wshadow= variant.
477 2016-10-26 Jason Merrill <jason@redhat.com>
479 * class.c (add_method): Allow using-declarations to coexist.
481 2016-10-25 Jason Merrill <jason@redhat.com>
483 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
484 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
485 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
486 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
488 2016-10-25 Jakub Jelinek <jakub@redhat.com>
490 * parser.c (cp_parser_postfix_expression): Adding missing break;.
492 * cp-tree.h (finish_builtin_launder): Declare.
493 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
494 * semantics.c (finish_builtin_launder): New function.
495 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
496 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
497 (potential_constant_expression_1): Likewise.
499 2016-10-24 Jakub Jelinek <jakub@redhat.com>
501 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
502 and DW_AT_rvalue_reference.
504 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
505 instead of TREE_CODE (x) == VAR_DECL.
506 * constraint.cc (get_concept_definition): Likewise.
507 (finish_shorthand_constraint): Likewise.
508 * init.c (warn_placement_new_too_small): Likewise.
509 * cp-gimplify.c (cp_genericize_r): Likewise.
511 2016-10-21 Jason Merrill <jason@redhat.com>
514 * pt.c (convert_template_argument): Call convert_nontype_argument
515 on value-dependent but not type-dependent arguments.
516 (convert_nontype_argument): Handle value-dependent arguments.
517 (canonicalize_expr_argument): New.
518 (deducible_expression, unify): Skip CONVERT_EXPR.
519 * error.c (dump_template_argument): Likewise.
520 * mangle.c (write_expression): Likewise.
522 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
524 2016-10-21 Jakub Jelinek <jakub@redhat.com>
526 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
529 2016-10-17 Jakub Jelinek <jakub@redhat.com>
531 * cp-objcp-common.h (cp_function_decl_explicit_p,
532 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
533 (cp_decl_dwarf_attribute): Declare.
534 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
535 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
536 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
537 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
538 * cp-objcp-common.c (cp_function_decl_explicit_p,
539 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
540 (cp_decl_dwarf_attribute): New function.
542 2016-10-15 Jason Merrill <jason@redhat.com>
545 * constexpr.c (maybe_simplify_trivial_copy): New.
546 (cxx_eval_store_expression): Call it.
547 * call.c (build_over_call): Use unsigned char for trivial copy.
549 2016-10-14 Jason Merrill <jason@redhat.com>
551 Implement P0017R1, C++17 aggregates with bases.
552 * class.c (build_base_field_1): Split out from...
553 (build_base_field): ...here. In C++17 mode, build a field for
555 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
556 (next_initializable_field): Allow base fields in C++17.
557 * typeck2.c (process_init_constructor_record): Likewise.
559 2016-10-14 Jakub Jelinek <jakub@redhat.com>
561 DR 1511 - const volatile variables and ODR
562 * decl.c (grokvardecl): Change flags argument to type_quals,
563 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
564 (grokdeclarator): Adjust grokvardecl caller.
566 2016-10-13 Martin Sebor <msebor@redhat.com>
569 * class.c (struct flexmems_t): Add members.
570 (find_flexarrays): Add arguments. Correct handling of anonymous
572 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
573 (check_flexarrays): Add argument.
574 (diagnose_invalid_flexarray): New functions.
576 2016-10-13 Jakub Jelinek <jakub@redhat.com>
577 Jason Merrill <jason@redhat.com>
579 Implement P0386R2 - C++17 inline variables
580 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
581 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
582 (DECL_VAR_DECLARED_INLINE_P): Define.
583 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
584 (DECL_INLINE_VAR_P): Define.
585 (diagnose_inline_vars_for_namespace): Declare.
586 * decl.c (diagnose_inline_vars_for_namespace): New function.
587 (duplicate_decls): For static data members copy
588 DECL_DECLARED_CONSTEXPR_P.
589 (redeclaration_error_message): Handle C++17 redundant redeclaration
590 of constexpr static data member outside of class.
591 (maybe_commonize_var): Handle inline variables.
592 (check_initializer): Ignore inline variables for diagnostics.
593 Adjust diagnostic wording for C++17.
594 (make_rtl_for_nonlocal_decl): Allow in-class definition of
595 inline static data members.
596 (bad_specifiers): Don't diagnose inline on variables here.
597 (grokvardecl): Add inlinep argument, non-static const inline variables
599 (check_static_variable_definition): Return early also for inline
601 (mark_inline_variable): New.
602 (grokdeclarator): Handle inline variables and inline static data
604 * typeck2.c (store_init_value): Don't diagnose non-constant
605 initializers for non-constexpr inline static data members.
606 * decl2.c (vague_linkage_p): Return true for inline variables.
607 (c_parse_final_cleanups): In-class declaration of inline static
608 data members is a definition. Call diagnose_inline_vars_for_namespace
609 through walk_namespaces.
610 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
611 of inline static data members.
613 2016-10-13 Jason Merrill <jason@redhat.com>
615 * decl.c (mark_inline_variable): New.
618 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
620 * decl2.c: Include memmodel.h.
623 2016-10-11 Jason Merrill <jason@redhat.com>
626 * init.c (build_new_1): Don't -Waligned-new about placement new.
627 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
628 * decl.c (cxx_init_decl_processing): New.
630 2016-10-10 Jason Merrill <jason@redhat.com>
634 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
635 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
637 2016-10-08 Jason Merrill <jason@redhat.com>
639 * cp-gimplify.c (cp_fold): Add variable name.
641 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
644 2016-10-07 Jason Merrill <jason@redhat.com>
646 Further P0135 refinement.
647 * call.c (build_user_type_conversion_1): Consider conversions from
648 a single element in an initializer-list.
649 (build_temp): Undo early_elide_copy change.
650 (build_over_call): Check that we don't try to copy a TARGET_EXPR
651 in C++17 mode. Set user_conv_p here.
652 (convert_like_real): Not here.
653 (check_self_delegation): Split out from...
654 (build_special_member_call): ...here. Handle C++17 copy elision.
655 * cvt.c (early_elide_copy): Remove.
656 (ocp_convert): Undo early_elide_copy change.
657 * except.c (build_throw): Likewise.
658 * init.c (expand_default_init): Likewise.
659 * typeck.c (cp_build_modify_expr): Likewise.
661 2016-10-07 Nathan Sidwell <nathan@acm.org>
665 * init.c (emit_mem_initializers): Don't construct vbases of
667 (push_base_cleanups): Don't push vbase cleanups for abstract class
669 * method.c (synthethesized_method_walk): Don't walk vbases of
670 abstract classes when in C++14 mode.
672 2016-10-07 Jakub Jelinek <jakub@redhat.com>
674 Implement LWG2296 helper intrinsic
675 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
676 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
677 * constexpr.c (potential_constant_expression_1): Likewise.
678 * error.c (dump_expr): Likewise.
679 * typeck.c (cp_build_addressof): New function.
680 * cp-tree.h (cp_build_addressof): Declare.
681 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
682 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
683 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
684 ADDRESSOF_EXPR. Add __builtin_addressof and
685 __has_unique_object_representations into syntax in function comment.
686 (pp_cxx_addressof_expression): New function.
687 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
689 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
692 * parser.c (cp_parser_base_specifier): Fix a warning.
694 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
697 * decl.c (grokdeclarator): Try to find the correct location for an
700 2016-10-07 Martin Liska <mliska@suse.cz>
702 * lambda.c (maybe_add_lambda_conv_op): Set default value.
704 2016-10-06 Jason Merrill <jason@redhat.com>
706 * call.c (build_temp, convert_like_real): Don't re-copy
707 TARGET_EXPR. Handle packed fields.
708 (build_x_va_arg): Wrap it in a TARGET_EXPR.
709 (build_over_call): Add sanity check.
710 * cvt.c (early_elide_copy): New.
711 (ocp_convert): Use it.
712 * except.c (build_throw): Use it.
713 * init.c (get_nsdmi): Put back the TARGET_EXPR.
714 (expand_default_init): Call early_elide_copy.
715 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
717 2016-10-06 Jakub Jelinek <jakub@redhat.com>
719 Implement P0258R2 - helper for C++17
720 std::has_unique_object_representations trait
721 * cp-tree.h (enum cp_trait_kind): Add
722 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
723 (struct lang_type_class): Add unique_obj_representations
724 and unique_obj_representations_set bitfields.
725 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
726 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
727 (type_has_unique_obj_representations): Declare.
728 * parser.c (cp_parser_primary_expression): Handle
729 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
730 (cp_parser_trait_expr): Likewise. Formatting fix.
731 * semantics.c (trait_expr_value, finish_trait_expr): Handle
732 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
733 * tree.c (type_has_unique_obj_representations): New function.
734 (record_has_unique_obj_representations): New function.
735 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
736 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
738 2016-10-05 Jason Merrill <jason@redhat.com>
740 Implement P0135R1, Guaranteed copy elision.
741 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
744 * call.c (reference_binding): Fix binding to member of temporary.
746 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
748 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
750 * semantics.c (finish_compound_literal): Handle class placeholder.
752 2016-10-05 Marek Polacek <polacek@redhat.com>
754 Implement P0305R1, Selection statements with initializer.
755 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
756 instead of finish_for_init_stmt.
757 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
758 * decl.c (poplevel): Adjust a comment.
759 * init.c (build_vec_init): Call finish_init_stmt instead of
760 finish_for_init_stmt.
761 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
762 * name-lookup.h (enum scope_kind): Likewise.
763 * parser.c (cp_parser_statement): Update commentary.
764 (cp_parser_init_statement_p): New function.
765 (cp_parser_selection_statement): Parse the optional init-statement.
766 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
767 (cp_parser_c_for): Likewise.
768 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
769 (cp_parser_range_for_member_function): Update commentary.
770 (cp_parser_iteration_statement):
771 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
772 * pt.c (tsubst_omp_for_iterator): Update commentary.
773 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
774 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
777 2016-10-04 Jason Merrill <jason@redhat.com>
780 * pt.c (do_class_deduction): Handle list-initialization.
781 (do_auto_deduction): Call it sooner.
782 (build_deduction_guide): Use tsubst_arg_types.
783 (rewrite_template_parm): Don't copy_type.
786 * constexpr.c (cxx_eval_component_reference): Use name matching
789 Implement P0091R2, Template argument deduction for class templates.
790 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
791 Use the location of the beginning of the type-specifier.
792 (cp_parser_init_declarator): Parse deduction guide.
793 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
794 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
795 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
796 * decl.c (grokdeclarator): Check for uninitialized auto here.
797 (start_decl_1): Not here.
798 (cp_finish_decl): Or here. Don't collapse a list when doing
800 (grokfndecl): Check deduction guide scope and body.
801 * error.c (dump_decl, dump_function_decl, dump_function_name):
802 Handle deduction guides.
803 * pt.c (make_template_placeholder, do_class_deduction): New.
804 (build_deduction_guide, rewrite_template_parm): New.
805 (dguide_name, dguide_name_p, deduction_guide_p): New.
806 (do_auto_deduction): Call do_class_deduction.
807 (splice_late_return_type, is_auto): Handle class placeholders.
808 (template_parms_level_to_args): Split from template_parms_to_args.
809 (tsubst_template_parms_level): Split from tsubst_template_parms.
810 * typeck2.c (build_functional_cast): Handle class placeholder.
812 2016-10-04 Martin Sebor <msebor@redhat.com>
815 * init.c (warn_placement_new_too_small): Avoid assuming an array type
818 2016-10-04 Jakub Jelinek <jakub@redhat.com>
821 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
822 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
825 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
826 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
827 (java_byte_type_node, java_short_type_node, java_int_type_node,
828 java_long_type_node, java_float_type_node, java_double_type_node,
829 java_char_type_node, java_boolean_type_node, lang_name_java,
830 jclass_node): Remove.
831 (enum languages): Remove lang_java.
832 (TYPE_FOR_JAVA): Remove.
833 (struct lang_type_class): Remove java_interface bit-field.
834 (TYPE_JAVA_INTERFACE): Remove.
835 (pragma_java_exceptions): Remove.
836 (check_java_method, build_java_class_ref): Remove prototypes.
837 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
838 * decl2.c (acceptable_java_type, check_java_method): Remove.
839 (import_export_decl): Remove TYPE_FOR_JAVA handling.
840 (build_java_method_aliases): Remove.
841 (c_parse_final_cleanups): Don't call build_java_method_aliases.
842 (possibly_inlined_p): Don't test pragma_java_exceptions.
843 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
844 (build_java_class_ref): Remove.
845 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
846 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
847 * except.c (eh_type_info): Remove java type handling.
848 (decl_is_java_type, choose_personality_routine): Remove.
849 (initialize_handler_parm): Don't call choose_personality_routine.
850 (expand_start_catch_block): Don't handle java types.
851 (build_throw): Likewise.
852 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
853 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
854 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
855 (java_iface_lookup_fn): Remove.
856 (build_java_interface_fn_ref): Remove.
857 * tree.c (cxx_attribute_table): Remove java_interface.
858 (handle_java_interface_attribute): Remove.
859 * lex.c (pragma_java_exceptions): Remove.
860 (init_cp_pragma): Don't register GCC java_exceptions pragma.
861 (handle_pragma_java_exceptions): Remove.
862 (retrofit_lang_decl): Don't handle lang_name_java.
863 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
864 * error.c (language_to_string): Don't handle lang_java.
865 * decl.c (record_builtin_java_type): Remove.
866 (initialize_predefined_identifiers): Remove Java.
867 (cxx_init_decl_processing): Remove java_*_type_node.
868 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
869 (grokfndecl): Likewise.
870 (check_special_function_return_type): Likewise.
871 (grokdeclarator): Don't set TYPE_FOR_JAVA.
872 (grokparms): Don't handle TYPE_FOR_JAVA.
873 (xref_basetypes): Likewise.
874 (check_function_type): Likewise.
875 (finish_constructor_body): Likewise.
876 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
877 and java_*_type_node.
878 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
879 (write_java_integer_type_codes): Remove.
880 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
881 (add_implicitly_declared_members, determine_key_method,
882 finish_struct_1): Likewise.
883 (push_lang_context): Don't handle lang_name_java.
885 2016-10-03 Marek Polacek <polacek@redhat.com>
888 * typeck.c (cp_build_binary_op): Pass original operands to
889 null_ptr_cst_p, not those after the default conversions.
891 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
893 * parser.c (cp_parser_condition): Fix a warning.
895 2016-09-29 Jakub Jelinek <jakub@redhat.com>
897 Implement P0001R1 - C++17 removal of register storage class specifier
898 * decl.c (cp_finish_decl): Diagnose register storage class
899 on vars except when used in GNU global or local register variable
901 (grokdeclarator): Diagnose register storage class on parameters.
902 * except.c (expand_start_catch_block): Set DECL_REGISTER only
903 after cp_finish_decl call.
905 2016-09-29 Marek Polacek <polacek@redhat.com>
907 * rtti.c (involves_incomplete_p): Add fall through comment.
909 2016-09-28 Jakub Jelinek <jakub@redhat.com>
912 * constexpr.c (enum constexpr_switch_state): New.
913 (struct constexpr_ctx): Add css_state field.
914 (label_matches): Add CTX and STMT arguments, remove I and
915 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
916 handle default labels according to css_state.
917 (cxx_eval_statement_list): Remove statement skipping, label_matches
918 and default_label handling code.
919 (cxx_eval_loop_expr): Exit after first iteration even if
920 switches (jump_target).
921 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
922 label has been seen in the body, but no cases matched, evaluate
923 the body second time.
924 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
925 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
926 statement is not skipped. For COND_EXPR during skipping, don't
927 evaluate condition, just the then block and if still skipping at the
928 end also the else block.
929 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
930 (is_sub_constant_expr): Likewise.
932 2016-09-27 Jakub Jelinek <jakub@redhat.com>
934 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
935 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
936 true instead of false as by_reference_p to add_capture for 'this'.
937 Parse '*this' simple-capture.
938 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
939 (add_capture): Adjust function comment. For id == this_identifier,
940 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
941 by value, and !by_reference_p as capturing '*this' by value.
942 (add_default_capture): For implicit 'this' capture, always pass
943 by_reference_p true rather than false.
946 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
947 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
948 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
950 2016-09-26 Nathan Sidwell <nathan@acm.org>
952 * init.c (expand_default_init): Fix } indentation.
953 * method.c (process_subob_fn): Simplify control structure to
955 (implicitly_declare_fn): Remove duplicated lambda ctor check.
957 2016-09-26 Marek Polacek <polacek@redhat.com>
960 * parser.c (cp_parser_storage_class_specifier_opt): Add
962 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
963 (cp_parser_cache_defarg): Likewise.
964 (cp_parser_omp_for_cond): Likewise.
965 * semantics.c (finish_decltype_type): Likewise.
966 * typeck.c (structural_comptypes): Likewise.
967 (cp_build_binary_op): Likewise.
968 (cp_build_modify_expr): Likewise.
970 2016-09-26 Marek Polacek <polacek@redhat.com>
973 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
974 (potential_constant_expression_1): Likewise.
975 * constraint.cc (function_concept_check_p): Check fn for null.
976 * parser.c (cp_parser_expression_statement): Handle attribute
978 (cp_parser_statement): Likewise.
979 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
981 (cp_parser_std_attribute): Handle fallthrough attribute.
982 (cp_parser_check_std_attribute): Add %< %> quotes.
983 * pt.c (tsubst_copy_and_build): Handle internal functions.
984 (instantiation_dependent_scope_ref_p): Return if the expression is
987 2016-09-24 Marek Polacek <polacek@redhat.com>
990 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
993 2016-09-23 Jakub Jelinek <jakub@redhat.com>
995 Implement P0138R2, C++17 construction rules for enum class values
996 * cp-tree.h (is_direct_enum_init): Declare.
997 * decl.c (is_direct_enum_init): New function.
998 (reshape_init): Use it.
999 * typeck.c (convert_for_assignment): Likewise.
1001 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
1004 * constexpr.c (call_stack): Remove unnecessary
1005 = vNULL initialization of file scope vec.
1007 * name-lookup.c (store_bindings, store_class_bindings): Don't
1008 initialize static local bindings_need_stored to vNULL.
1010 * typeck2.c (process_init_constructor_record): Use
1011 CONSTRUCTOR_NELTS (...) instead of
1012 vec_safe_length (CONSTRUCTOR_ELTS (...)).
1013 * decl.c (reshape_init_r): Likewise.
1014 (check_initializer): Likewise.
1016 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
1019 * class.c (build_base_path): Allow for lookup_base returning
1022 2016-09-21 Jason Merrill <jason@redhat.com>
1025 * call.c (null_ptr_cst_p): Check char_type_p.
1027 2016-09-21 Jakub Jelinek <jakub@redhat.com>
1030 * init.c (build_new_1): Don't suggest to use -faligned-new if
1031 aligned_new_threshold is non-zero.
1032 (type_has_new_extended_alignment): Change aligned_new_threshhold
1033 to aligned_new_threshold.
1034 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
1035 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
1036 * decl.c (cxx_init_decl_processing): Likewise.
1038 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1041 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
1042 FIELD_DECLs with error_mark_node type. Remove useless break; after
1046 * parser.c (cp_parser_template_declaration_after_parameter): For 2
1047 argument operator"" template set ok to false for
1048 parm == error_mark_node.
1051 * parser.c (cp_parser_std_attribute_list): Reject ... without
1052 preceding attribute.
1054 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1057 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
1059 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1062 * parser.c (cp_parser_class_head): When
1063 processing_template_parmlist, don't assume that the
1064 class-head may start an explicit specialization.
1066 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1069 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1070 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1073 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1074 call is_really_empty_class on complete types.
1077 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1078 TYPE_HAS_MUTABLE_P for any bases.
1080 2016-09-16 Jason Merrill <jason@redhat.com>
1082 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1084 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1085 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1087 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1090 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1093 2016-09-14 Marek Polacek <polacek@redhat.com>
1095 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1096 expressions. Tweak an error message.
1098 2016-09-14 Marek Polacek <polacek@redhat.com>
1100 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1102 * decl2.c (one_static_initialization_or_destruction): Use true instead
1104 * init.c (build_vec_init): Use false instead of 0.
1105 * pt.c (tsubst_copy_and_build): Likewise.
1106 * semantics.c (simplify_loop_decl_cond): Likewise.
1107 * typeck.c (rationalize_conditional_expr): Likewise.
1108 (cp_build_binary_op): Use true instead of 1.
1109 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1111 (build_unary_op): Change nonconvert parameter type to bool.
1112 (unary_complex_lvalue): Use false instead of 0.
1114 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1116 Implement P0028R4, C++17 using attribute namespaces without repetition
1117 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1118 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1119 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1120 identifier after ::.
1121 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1122 to cp_parser_std_attribute calls.
1123 (cp_parser_std_attribute_spec): Parse optional C++17
1124 attribute-using-prefix, adjust grammar in function comment.
1127 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1128 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1129 (cxx_eval_pointer_plus_expression): Remove.
1130 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1131 call cxx_eval_pointer_plus_expression.
1133 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1135 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1136 add_fixit_insert to add_fixit_insert_before.
1137 (cp_parser_class_head): Likewise.
1139 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1142 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1143 * class.c (instantiate_type): Look through the SAVE_EXPR.
1145 2016-09-09 Jason Merrill <jason@redhat.com>
1147 Implement P0035R4, C++17 new of over-aligned types.
1148 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1149 (align_type_node): New macro.
1150 * call.c (build_operator_new_call): Handle C++17 aligned new.
1151 (second_parm_is_size_t, build_op_delete_call): Likewise.
1152 (non_placement_deallocation_fn_p): Likewise. Rename to
1153 usual_deallocation_fn_p.
1154 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1155 * decl.c (cxx_init_decl_processing): Add aligned new support.
1156 * init.c (type_has_new_extended_alignment): New.
1157 (build_new_1): Handle aligned new.
1158 * tree.c (vec_copy_and_insert): New.
1160 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1163 * decl2.c (do_static_initialization_or_destruction): Only
1164 call asan_dynamic_init_call if INITP is true.
1166 2016-09-01 Martin Sebor <msebor@redhat.com>
1168 * mangle.c: Increase buffer size to guarantee it fits the output
1169 of the formatted function regardless of its arguments.
1171 2016-09-01 Marek Polacek <polacek@redhat.com>
1174 * error.c (dump_type): Fix falls through comment.
1175 (dump_decl): Likewise.
1176 (dump_expr): Likewise.
1178 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1180 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1181 hint to ">>" within nested template argument list error.
1183 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1185 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1186 rather than add_fixit_misspelled_id.
1187 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1189 2016-08-29 Jason Merrill <jason@redhat.com>
1192 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1193 (mangle_thunk): Add thunk parameter.
1194 * method.c (finish_thunk): Pass it.
1195 * cp-tree.h: Declare it.
1197 2016-08-15 Jason Merrill <jason@redhat.com>
1199 Avoid calling a trivial default constructor.
1200 * class.c (default_ctor_p): New.
1201 (in_class_defaulted_default_constructor): Use it.
1202 (type_has_non_user_provided_default_constructor): Use it.
1203 * call.c (build_over_call): Handle trivial default constructor.
1204 * cp-tree.h: Declare default_ctor_p.
1207 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1210 2016-08-25 Marek Polacek <polacek@redhat.com>
1212 * parser.c (cp_parser_binary_expression): Pass LHS to
1213 warn_logical_not_parentheses.
1215 2016-08-18 Marek Polacek <polacek@redhat.com>
1218 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1219 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1220 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1221 (cp_parser_cache_defarg): Likewise.
1223 2016-08-12 Marek Polacek <polacek@redhat.com>
1226 * call.c (add_builtin_candidate): Add FALLTHRU.
1227 (build_integral_nontype_arg_conv): Adjust fall through comment.
1228 (build_new_op_1): Add FALLTHRU.
1229 (convert_like_real): Adjust fall through comment.
1230 * class.c (fixed_type_or_null): Likewise.
1231 * constexpr.c (cxx_eval_constant_expression): Likewise.
1232 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1233 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1234 (cp_fold): Add FALLTHRU.
1235 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1236 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1237 (pp_cxx_qualified_id): Likewise.
1238 (cxx_pretty_printer::constant): Adjust fall through comment.
1239 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1240 (pp_cxx_pm_expression): Adjust fall through comment.
1241 (cxx_pretty_printer::expression): Add FALLTHRU.
1242 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1243 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1244 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1245 * error.c (dump_type): Adjust fall through comment.
1246 (dump_decl): Likewise.
1247 * mangle.c (write_type): Likewise.
1248 * method.c (synthesized_method_walk): Add FALLTHRU.
1249 * name-lookup.c (arg_assoc_type): Likewise.
1250 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1251 (cp_parser_primary_expression): Add FALLTHRU.
1252 (cp_parser_operator): Likewise.
1253 * pt.c (find_parameter_packs_r): Likewise.
1254 (tsubst_aggr_type): Adjust fall through comment.
1255 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1256 * tree.c (lvalue_kind): Likewise.
1258 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1261 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1262 (cp_function_decl_explicit_p): Const_tree-ify.
1263 (cp_function_decl_deleted_p): Likewise.
1264 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1265 (cp_function_decl_explicit_p): Const_tree-ify.
1266 (cp_function_decl_deleted_p): Likewise.
1267 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1269 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1272 * constexpr.c (label_matches): Handle case range expressions.
1274 2016-08-11 Jason Merrill <jason@redhat.com>
1277 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1279 2016-08-10 Jason Merrill <jason@redhat.com>
1281 Implement C++17 constexpr if.
1282 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1283 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1284 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1285 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1286 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1287 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1288 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1289 (finish_if_stmt_cond): Require the condition of a
1290 constexpr if to be constant.
1291 * decl.c (level_for_constexpr_if): New.
1292 (named_label_entry): Add in_constexpr_if field.
1293 (poplevel_named_label_1): Set it.
1294 (check_goto): Check it.
1295 (check_previous_goto_1): Check level_for_constexpr_if.
1297 2016-08-09 Jason Merrill <jason@redhat.com>
1300 * decl2.c (any_dependent_type_attributes_p): New.
1301 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1302 * semantics.c (finish_id_expression): Check it.
1303 * typeck.c (finish_class_member_access_expr): Check it.
1306 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1308 Adjust mangling of ABI tags on class template member functions.
1309 * class.c (missing_abi_tags): New.
1310 (check_abi_tags): Don't check template. Add just_checking mode.
1311 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1312 (sorted_abi_tags): Split out from write_abi_tags.
1313 (struct releasing_vec): New.
1314 (write_unqualified_name): Only look for the primary
1315 template for types. Implement backward compatibility.
1318 * constexpr.c (cxx_eval_constant_expression): Check
1319 COMPLETE_TYPE_P before calling is_really_empty_class.
1320 * class.c (is_really_empty_class): Don't call complete_type.
1323 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1325 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1328 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1329 builtin aggregate types without TYPE_BINFO.
1331 2016-08-08 Jason Merrill <jason@redhat.com>
1333 Implement C++17 constexpr lambda.
1334 * class.c (finalize_literal_type_property): Handle lambdas.
1335 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1336 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1338 (cxx_eval_constant_expression): Handle capture proxy.
1339 (var_in_constexpr_fn): Don't check for C++14.
1340 (var_in_maybe_constexpr_fn): New.
1341 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1342 declarations not allowed in constexpr function. Handle
1343 STATIC_ASSERT, RANGE_FOR_STMT.
1344 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1345 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1346 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1347 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1348 (lambda_static_thunk_p): New.
1349 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1350 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1351 (cp_parser_decl_specifier_seq): Handle it.
1352 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1353 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1354 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1355 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1356 (dump_expr) [FUNCTION_DECL]: Pass it.
1358 2016-08-08 Jason Merrill <jason@redhat.com>
1361 * class.c (is_really_empty_class): Call complete_type.
1362 * constexpr.c (cxx_eval_constant_expression): Check
1363 is_really_empty_class.
1364 (potential_constant_expression_1): Likewise. Check for error type.
1366 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1369 * parser.c: Include tree-iterator.h.
1370 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1372 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1375 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1377 * call.c (convert_like_real): Harmonize diagnostics for invalid
1380 2016-08-05 Martin Sebor <msebor@redhat.com>
1382 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1383 the spelling of "constant-expression" in diagnostic messages
1385 (cxx_eval_constant_expression): Same.
1386 (cxx_eval_outermost_constant_expr): Same.
1387 (potential_constant_expression_1): Same.
1389 2016-08-05 Nathan Sidwell <nathan@acm.org>
1392 * pt.c (unify): TRAIT_EXPR is an expr.
1394 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1397 * lambda.c (add_capture): Check lambda_capture_field_type return
1398 value for error_mark_node.
1400 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1403 * pt.c (tsubst_qualified_id): Return error_mark_node if
1404 template_args is error_mark_node.
1406 2016-08-04 Jason Merrill <jason@redhat.com>
1409 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1412 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1413 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1414 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1415 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1418 * typeck.c (finish_class_member_access_expr): Avoid stripping
1419 SCOPE_REF to dependent base.
1421 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1423 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1424 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1425 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1426 Simplify code, and improve diagnostics.
1427 (cp_parser_oacc_routine): Likewise. Move pragma context
1429 (cp_parser_pragma): ... here.
1431 * parser.h (struct cp_omp_declare_simd_data): New.
1432 (struct cp_parser): Use it for oacc_routine member.
1433 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1434 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1435 Use it. Simplify code.
1436 (cp_parser_new): Initialize all members pointing to special
1437 parsing data structures.
1438 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1439 parser->cilk_simd_fn_info->clauses.
1440 (cp_parser_omp_declare_simd): Initialize
1441 parser->omp_declare_simd->clauses.
1442 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1444 2016-08-04 Marek Polacek <polacek@redhat.com>
1447 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1450 2016-08-01 Jason Merrill <jason@redhat.com>
1452 * mangle.c (mangle_decl): Warn about mangled name change even if
1455 * mangle.c (get_abi_tags): New.
1456 (find_substitution, write_unqualified_name, write_abi_tags)
1457 (maybe_check_abi_tags): Use it.
1459 * mangle.c (mangle_decl): Fix mangled name change warning.
1462 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1464 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1467 2016-07-30 Martin Sebor <msebor@redhat.com>
1471 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1472 involving null pointers.
1473 (cxx_eval_component_reference): Reject null pointer dereferences.
1474 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1475 (cxx_eval_constant_expression): Reject invalid expressions involving
1478 2016-07-29 Marek Polacek <polacek@redhat.com>
1481 * semantics.c (maybe_convert_cond): Use the location of COND for the
1482 parentheses warning.
1484 2016-07-29 Jason Merrill <jason@redhat.com>
1486 * decl.c (build_enumerator): Tweak diagnostic.
1489 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1490 * constexpr.c (build_data_member_initialization): Handle multiple
1491 initializers for the same field.
1493 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1496 * decl.c (build_enumerator): Check the type of the enumerator before
1497 calling cxx_constant_value.
1499 2016-07-27 Jason Merrill <jason@redhat.com>
1502 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1503 parameters with spec_tmpl. Call push_tinst_level.
1504 (most_specialized_partial_spec): Adjust.
1505 (more_specialized_partial_spec): Adjust.
1507 2016-07-25 Jason Merrill <jason@redhat.com>
1510 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1513 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1514 (build_lambda_object): Call build_x_compound_expr_from_list.
1515 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1519 * pt.c (coerce_template_parameter_pack): Fix logic for
1523 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1524 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1528 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1529 value of an element we're currently modifying.
1531 2016-07-24 Jason Merrill <jason@redhat.com>
1534 * pt.c (resolve_typename_type): Try to avoid calling
1535 currently_open_class.
1537 2016-07-23 Jason Merrill <jason@redhat.com>
1540 * call.c (add_list_candidates): Handle VTT parm.
1541 (build_new_method_call_1): Likewise.
1545 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1548 * class.c (walk_subobject_offsets): Handle 0-length array.
1551 * pt.c (tsubst): Also substitute into the template of a
1552 BOUND_TEMPLATE_TEMPLATE_PARM.
1555 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1558 * decl.c (reshape_init_r): Check complain for missing braces warning.
1560 2016-07-22 Jason Merrill <jason@redhat.com>
1563 * call.c (convert_like_real): Use lvalue_kind.
1567 * pt.c (tsubst_baselink): Call
1568 adjust_result_of_qualified_name_lookup for unqualified
1571 2016-07-21 Jason Merrill <jason@redhat.com>
1574 * semantics.c (apply_deduced_return_type): Call
1575 complete_type_or_else before building the new RESULT_DECL.
1578 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1579 (decl_constant_var_p): Use it instead.
1582 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1586 * call.c (unsafe_copy_elision_p): It's OK to elide when
1587 initializing an unknown object.
1589 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1590 trivial constructors.
1591 * method.c (do_build_copy_constructor): Don't copy tail padding
1592 even in a trivial constructor.
1594 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1597 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1598 Replace assert with test, return false if the goto isn't break
1599 or continue. Formatting fix.
1601 2016-07-21 Richard Biener <rguenther@suse.de>
1603 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1606 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1609 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1610 save/restore bc_label array.
1612 2016-07-21 Jason Merrill <jason@redhat.com>
1615 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1616 error parsing the lambda-declarator.
1619 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1620 between lowered and unlowered PTRMEM_CST.
1623 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1624 Don't set c_inhibit_evaluation_warnings.
1627 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1629 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1630 Jason Merrill <jason@redhat.com>
1632 Improving concepts performance and diagnostics.
1636 * cp-tree.def (CHECK_CONSTR): New.
1637 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1638 (CHECK_CONSTR_ARGS): New.
1639 * constraint.cc (make_predicate_constraint): Remove in favor of
1640 normalize_expression.
1641 (resolve_constraint_check): Actually return error_mark_node when
1643 (resolve_variable_concept_check): Perform coercion as if processing
1644 a template. Also return errors on resolution failure.
1645 (lift_*): Remove all of these functions. Don't unnecessarily inline
1647 (learn_*): Add facilities to memoize implications for subsumption
1648 during normalization.
1649 (expanding_concept): New.
1650 (expand_concept): New. Return the inlined and normalized definition
1651 of a concept when needed.
1652 (transform_*, xform_*): Rename to normalize_* to better reflect the
1653 responsibility of those functions.
1654 (normalize_template_id_expression): Check for non-boolean operands
1655 when possible. Generate check constraints instead of normal variable
1657 (normalize_call_expression): Report errors when resolution fails.
1658 (check_for_logical_overloads): Rewrite this check to more accurately
1660 (normalize_atom): Check for overloaded calls and invalid types before
1661 determining if the expression refers to a concept.
1662 (build_constraints): Don't cache normalized constraints or decomposed
1664 (finish_shorthand_constraint): Return a normalized expression instead
1665 of a predicate constraint.
1666 (finish_template_introduction): Same.
1667 (placeholder_extract_concept_and_args): Rewrite this since we only
1668 ever get check constraints here.
1669 (equivalent_placeholder_constraints): Rewrite in terms of check
1670 constraints, and handle error_mark_nodes correctly.
1671 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1672 (tsubst_implicit_conversion_constr)
1673 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1674 (tsubst_parameterized_constraint, tsubst_constraint): New.
1675 (tsbust_conjunection): Replace with tsubst_logical_operator and
1676 actually generate the right kind of constraint.
1677 (tsubst_requirement_body): Reverse the order of substituted arguments
1678 so that they appear in the order written (helps diagnostics).
1679 (satisfy_check_constraint): New.
1680 (satisfy_conjunction): Simplify.
1681 (satisfy_disjunction): Same.
1682 (satisfy_constraint_1): Handle check constraints.
1683 (eval_constr): New (private) global state.
1684 (evaluating_constraints_sentinel): New. Manages eval_constr.
1685 (satisfy_constraint): Add timing variables.
1686 (satisfy_associated_constraints): Add hooks for memoization.
1687 (evaluate_function_concept): Build a check constraint instead of
1688 normalizing its definition.
1689 (evaluate_variable_concept): Same.
1690 (evaluate_constraint_expression): Normalize, but in the current
1691 declaration processing context.
1692 (evaluating_constraints_p): New.
1693 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1694 (diagnose_*): Remove artificial indentation. Add a new parameter to
1695 each that tracks the current (complete) constraint prior to any
1697 (diagnose_expression): Removed.
1698 (diagnose_call_expression): Same.
1699 (diagnose_template_id): Same.
1700 (diagnose_template_id): New.
1701 (diagnose_logical_constraint): New.
1702 (diagnose_expression_constraint): Show the original expression.
1703 (diagnose_type_constraint): Show the original type.
1704 (diagnose_implicit_conversion_constraint): Be specific about
1705 failures, don't re-diagnose a known-to-be-failed substitutions,
1706 and manage elisions properly.
1707 (diagnose_argument_deduction_constraint): Same.
1708 (diagnose_exception_constraint): Same.
1709 (diagnose_parameterized_constraint): Same.
1710 (constraint_p): Allow EXPR_PACK_EXPANSION.
1711 * logic.cc (next_by_distance): Removed. No longer used.
1712 (any_p): Renamed from any_of.
1713 (term_entry, term_hasher): New.
1714 (term_list): Rewrite to include a hash table for quick lookup.
1715 Also, make less stateful.
1716 (proof_state): Extend to allow goals to be discharged once
1718 (non_atomic_constraint_p): New.
1719 (any_non_atomic_constraints_p): New.
1720 (...rest...): Previous implementation completely replaced with an
1721 iterative algorithm that opportunistically prunes the search space
1722 before committing to using more memory.
1723 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1724 (cp_parser_explicit_template_declaration): Same.
1725 * pt.c: (finish_template_variable): Be less redundant with this error
1727 (template_args_equal): No longer static.
1728 (tsubst_decl): Don't try to find specializations of variables that
1729 have already been instantiated.
1730 (build_non_dependent_expr): Avoid infinite recursion during concept
1732 (make_constrained_auto): Normalize constraints.
1733 (do_auto_deduction): When doing auto deduction from a
1734 partial-concept-id, be sure to include the explicit args checking
1736 (constraint_sat_*): New. Memoize satisfied constraints.
1737 (concept_spec_*): New. Memoize expressions associated with a concept
1739 (constraint_memos, concept_memos): New.
1740 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1741 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1742 (get_concept_expansion, save_concept_expansion): New.
1743 (hash_subsumption_args): New.
1744 (comp_subsumption_args): New.
1745 (subsumption_*): New. Memoize parts of the subsumption relation.
1746 (lookup_subsumption_result, save_subsumption_result): New.
1747 (init_constraint_processing): Initialize memo tables.
1748 (get_constraints): Shortcut if !flag_concepts.
1749 * decl.c (grokfndecl): Normalize constraints.
1750 * error.c (dump_simple_decl): Print "concept" when appropriate.
1751 (dump_function_decl): Same.
1752 (dump_template_decl): Don't write requirements when we're not
1753 printing the header.
1754 (dump_expr): Handle fold expressions.
1755 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1757 (get_fold_operator): New.
1758 (pp_cxx_unary_left_fold_expression): New.
1759 (pp_cxx_unary_right_fold_expression): New.
1760 (pp_cxx_binary_fold_expression): New.
1761 (pp_cxx_check_constraint): New.
1762 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1763 to make them easier to read when debugging.
1764 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1765 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1767 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1771 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1773 (suggest_alternatives_for): If no candidates are found, try
1774 lookup_name_fuzzy and report if if finds a suggestion.
1775 (consider_binding_level): New function.
1776 (lookup_name_fuzzy) New function.
1777 * parser.c: Include gcc-rich-location.h.
1778 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1780 (cp_keyword_starts_decl_specifier_p): ...this new function.
1781 (cp_parser_diagnose_invalid_type_name): When issuing
1782 "does not name a type" errors, attempt to make a suggestion using
1784 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1785 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1786 types that are not CLASS_TYPE_P, rather than rejecting individual
1789 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1792 * parser.c (cp_parser_save_member_function_body): Consume
1793 __transaction_relaxed or __transaction_atomic with optional
1794 attribute. Only skip catch with block if try keyword is seen.
1797 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1798 when evaluating call arguments. Use fold_builtin_call_array instead
1799 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1800 check the result with potential_constant_expression and call
1801 cxx_eval_constant_expression on it.
1803 2016-07-19 Jason Merrill <jason@redhat.com>
1806 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1807 handle ARGUMENT_PACK_SELECT.
1809 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1813 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1814 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1815 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1819 * call.c (build_op_call_1): Use convert_like_with_context only
1820 if cand->fn is a decl.
1823 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1824 For lval don't use cxx_eval_unary_expression and instead recurse
1825 and if needed rebuild the reference.
1828 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1831 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1832 fold *expr_p before genericizing it.
1835 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1837 2016-07-15 Jason Merrill <jason@redhat.com>
1840 * call.c (convert_like_real): Mask complain.
1841 * semantics.c (perform_koenig_lookup): Likewise.
1844 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1845 threw away DECL_SAVED_TREE.
1849 * call.c (add_template_conv_candidate): Disable if there are
1853 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1856 * pt.c (tsubst_attributes): Fix loop logic.
1860 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1861 (cp_parser_simple_declaration): Diagnose type definition in
1862 for-range-declaration.
1865 * operators.def: Add *_FOLD_EXPR.
1866 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1867 * mangle.c (write_expression): Handle fold-expressions.
1868 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1869 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1870 partial instantiation.
1873 * mangle.c (write_expression): Handle sizeof... an argument pack.
1876 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1879 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1880 artificial variables.
1882 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1884 * parser.c (cp_parser_oacc_declare): Don't scan for
1886 * semantics.c (handle_omp_array_sections): Mark data clauses with
1887 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1888 zero-length subarrays.
1890 2016-07-11 Jason Merrill <jason@redhat.com>
1892 * decl.c (store_parm_decls): Remove check for void parm.
1894 2016-07-08 Jason Merrill <jason@redhat.com>
1896 * cp-tree.h: Unpoison lvalue_p.
1897 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1898 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1901 * tree.c (obvalue_p): Rename from lvalue_p.
1902 (lvalue_p): Define for c-common.
1903 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1905 (cp_build_addr_expr_1): Remove obsolete code.
1907 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1908 * call.c, cp-tree.h, typeck.c: Adjust.
1910 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1912 P0145R2: Refining Expression Order for C++.
1913 * cp-gimplify.c (lvalue_has_side_effects): New.
1914 (cp_gimplify_expr): Implement assignment ordering.
1915 * call.c (op_is_ordered, build_over_call): Adjust for
1916 -fargs-in-order renaming to -fstrong-eval-order.
1917 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1919 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1920 Kai Tietz <ktietz70@googlemail.com>
1924 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1925 artificial vars, genericize their initializers.
1927 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1930 * parser.c (cp_parser_class_specifier_1): When reporting
1931 missing semicolons, use a fixit-hint to suggest insertion
1932 of a semicolon immediately after the closing brace,
1933 offsetting the reported column accordingly.
1935 2016-07-04 Jan Beulich <jbeulich@suse.com>
1937 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1939 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1941 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1942 Move pragma context checking into...
1943 (cp_parser_omp_cancellation_point): ... here, and improve
1944 diagnostic messages.
1945 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1946 Improve diagnostic messages.
1948 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1950 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1952 2016-06-24 Jason Merrill <jason@redhat.com>
1954 P0145R2: Refining Expression Order for C++.
1955 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1957 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1958 (build_target_expr): Call mark_rvalue_use.
1960 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1962 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1963 (build_over_call): For magic == 3, do no conversion only on 3rd
1966 2016-06-23 Andi Kleen <ak@linux.intel.com>
1968 * Make-lang.in: Add support for autofdo.
1970 2016-06-21 Jason Merrill <jason@redhat.com>
1972 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1973 args as our template has levels of parms.
1975 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1976 (type_dependent_expression_p): Use uses_outer_template_parms.
1978 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1980 * parser.c (cp_parser_string_literal): Convert non-standard
1981 concatenation error to directly use a rich_location, and
1982 use that to add the location of the first literal to the
1985 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1987 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1989 * error.c (dump_function_decl): Save the constexpr specifier too.
1991 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1993 * tree.c (builtin_valid_in_constant_expr_p): Test for
1994 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1996 (bot_manip): Likewise.
1997 * call.c (magic_varargs_p): Likewise.
1999 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
2001 * decl.c (grokfndecl): Change pair of errors to error + inform.
2003 2016-06-17 Jason Merrill <jason@redhat.com>
2006 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
2007 warning when there are dependent bases.
2009 2016-06-17 Jakub Jelinek <jakub@redhat.com>
2011 * semantics.c (handle_omp_array_sections_1): Don't ICE when
2012 processing_template_decl when checking for bitfields and unions.
2013 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2014 (finish_omp_clauses): Look through REFERENCE_REF_P even for
2015 array sections with COMPONENT_REF bases.
2017 2016-06-16 Jakub Jelinek <jakub@redhat.com>
2019 * parser.c (cp_parser_omp_var_list_no_open): Call
2020 convert_from_reference before cp_parser_postfix_dot_deref_expression.
2021 * semantics.c (finish_omp_clauses): Don't ICE when
2022 processing_template_decl when checking for bitfields and unions.
2023 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2025 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2027 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
2028 "%qF" in warning_at instead of "%q+F" in warning.
2029 (check_redeclaration_exception_specification): Likewise in pedwarn
2030 (and error, inform, for consistency).
2031 * call.c (joust): Likewise.
2033 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2036 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
2037 code at the end of the for loop; also revert r159637 changes,
2038 add back the gcc_assert.
2039 * cp-tree.h (xref_basetypes): Adjust declaration.
2040 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2042 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2044 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
2046 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2048 * typeck.c: Include "gcc-rich-location.h".
2049 (finish_class_member_access_expr): Simplify fixit code by
2050 using gcc_rich_location::add_fixit_misspelled_id.
2052 2016-06-14 Jason Merrill <jason@redhat.com>
2054 P0145R2: Refining Expression Order for C++.
2055 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
2056 (CALL_EXPR_REVERSE_ARGS): New.
2057 * call.c (build_new_op_1): Set them.
2058 (extract_call_expr, op_is_ordered): New.
2059 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
2060 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
2061 * pt.c (tsubst_copy_and_build): Copy new flags.
2062 * semantics.c (simplify_aggr_init_expr): Likewise.
2063 * tree.c (build_aggr_init_expr): Likewise.
2064 (build_min_non_dep_op_overload): Likewise.
2066 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2069 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2070 olddecl vars, preserve their TREE_READONLY bit.
2073 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2075 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2077 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2079 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2081 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2083 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2086 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2089 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2093 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2096 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2097 emits an error do not zero the type.
2099 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2101 * decl.c (maybe_deduce_size_from_array_init): Use
2102 DECL_SOURCE_LOCATION in error_at.
2103 (layout_var_decl): Likewise.
2104 (check_array_initializer): Likewise.
2105 (check_initializer): Likewise.
2106 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2108 2016-06-08 Martin Sebor <msebor@redhat.com>
2109 Jakub Jelinek <jakub@redhat.com>
2113 * constexpr.c: Include gimple-fold.h.
2114 (cxx_eval_internal_function): New function.
2115 (cxx_eval_call_expression): Call it.
2116 (potential_constant_expression_1): Handle integer arithmetic
2118 * tree.c (builtin_valid_in_constant_expr_p): Handle
2119 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2121 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2123 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2124 return value of tsubst_aggr_type for error_mark_node.
2126 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2129 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2131 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2132 Patrick Palka <ppalka@gcc.gnu.org>
2137 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2138 right after cp_fold call if cp_fold has returned the same stmt
2139 already in some earlier cp_fold_r call.
2140 (cp_fold_function): Add pset automatic variable, pass its address
2143 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2146 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2147 emits an error do not zero the type.
2149 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2152 * decl.c (duplicate_decls): Properly copy the
2153 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2154 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2156 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2158 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2159 arguments as addressable when async clause exists.
2161 2016-06-02 Jan Hubicka <jh@suse.cz>
2163 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2166 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2168 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2169 (start_enum): Likewise.
2170 * parser.c (cp_parser_class_head): Likewise.
2172 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2175 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2176 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2177 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2178 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2179 to the newly built tree.
2181 2016-05-31 Jason Merrill <jason@redhat.com>
2183 * pt.c (instantiate_decl): Avoid recalculation.
2188 * pt.c (instantiate_template_1): Don't put the partial
2189 specialization in DECL_TI_TEMPLATE.
2190 (partial_specialization_p, impartial_args): Remove.
2191 (regenerate_decl_from_template): Add args parm.
2192 (instantiate_decl): Look up the partial specialization again.
2195 * pt.c (check_explicit_specialization): Give better diagnostic about
2196 specializing a hidden friend.
2198 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2201 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2202 to obtain correct locations; avoid redundant diagnostics on
2203 out-of-class definitions.
2205 2016-05-30 Martin Sebor <msebor@redhat.com>
2208 * init.c (warn_placement_new_too_small): Handle placement new arguments
2209 that are elements of arrays more carefully. Remove a pointless loop.
2211 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2214 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2215 when combined with target construct.
2216 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2217 to cp_parser_omp_all_clauses.
2219 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2222 * lex.c (unqualified_name_lookup_error): Take a location too.
2223 (unqualified_fn_lookup_error): Take a cp_expr.
2224 * cp-tree.h (unqualified_name_lookup_error,
2225 unqualified_fn_lookup_error): Adjust declarations.
2226 * semantics.c (perform_koenig_lookup): Adjust
2227 unqualified_fn_lookup_error call, pass the location of
2228 the identifier too as part of a cp_expr.
2230 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2233 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2234 to improve the diagnostic about wrong uses of 'virtual'.
2236 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2239 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2240 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2242 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2246 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2247 decls into the global scope after stripping template bits
2248 and setting DECL_ANTICIPATED.
2250 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2253 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2255 * name-lookup.h (push_namespace): Adjust declaration.
2256 * parser.c (cp_parser_namespace_definition): Check push_namespace
2259 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2262 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2263 decls into the global scope after stripping template bits
2264 and setting DECL_ANTICIPATED.
2266 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2268 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2269 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2271 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2275 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2277 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2278 on the qualified_id then propagate it to the resulting
2280 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2282 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2283 its REF_PARENTHESIZED_P flag.
2285 2016-05-25 Jason Merrill <jason@redhat.com>
2289 * cp-tree.h (enum tag_types): Add scope_type.
2290 * parser.c (cp_parser_class_name): Use scope_type.
2291 (prefer_type_arg): Handle scope_type.
2292 (cp_parser_lookup_name): Use prefer_type_arg.
2293 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2294 int prefer_type, use lookup_flags.
2295 * name-lookup.h: Adjust.
2297 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2299 * parser.c (cp_parser_oacc_declare): Add support for
2300 GOMP_MAP_FIRSTPRIVATE_POINTER.
2301 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2302 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2304 (handle_omp_array_sections): Replace bool is_omp argument with enum
2305 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2306 (finish_omp_clauses): Add specific errors and warning messages for
2307 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2308 call to handle_omp_array_sections.
2310 2016-05-24 Jason Merrill <jason@redhat.com>
2313 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2315 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2317 2016-05-24 Martin Sebor <msebor@redhat.com>
2320 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2321 * pt.c (instantiate_class_template_1): Try to complete the element
2322 type of a flexible array member.
2323 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2324 * typeck.c (complete_type): Also complete the type of the elements of
2325 arrays with an unspecified bound.
2327 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2330 * typeck2.c (check_narrowing): Check pedwarn return value.
2332 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2335 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2336 For OMP_CLAUSE_LINEAR_REF don't require type to be
2337 integral or pointer.
2339 2016-05-24 Richard Biener <rguenther@suse.de>
2343 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2344 * constexpr.c (cxx_eval_array_reference): Handle indexed
2346 * typeck.c (cp_build_array_ref): Adjust.
2348 2016-05-23 Jason Merrill <jason@redhat.com>
2351 * constexpr.c (cxx_eval_call_expression): Check for
2352 fun == current_function_decl again.
2355 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2356 maybe_undo_parenthesized_ref.
2359 * pt.c (tsubst_copy): Just return a local variable from
2360 non-template context. Don't call rest_of_decl_compilation for
2361 duplicated static locals.
2362 (tsubst_decl): Set DECL_CONTEXT of local static from another
2365 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2368 * method.c (forward_parm): Use cp_build_reference_type.
2370 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2373 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2375 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2377 * pt.c (check_for_bare_parameter_packs): Improve error message
2378 location for expressions.
2380 2016-05-20 Nathan Sidwell <nathan@acm.org>
2382 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2384 (cxx_eval_call_expression): Fix comment grammar.
2386 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2389 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2390 and return immediately in case of erroneous code.
2392 2016-05-19 Marek Polacek <polacek@redhat.com>
2395 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2397 2016-05-19 Jason Merrill <jason@redhat.com>
2400 * pt.c (fn_type_unification): Add outer template args if needed.
2401 (type_unification_real): Handle getting full args.
2403 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2406 * parser.c (cp_parser_operator): For array new/delete, check that
2407 cp_parser_require returned a non-NULL token before dereferencing
2410 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2412 * decl.c (finish_enum_value_list): Use the specified mode.
2414 2016-05-18 Jason Merrill <jason@redhat.com>
2416 * pt.c (value_dependent_expression_p): Tweak new cases to better
2417 match the wording in the standard.
2419 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2422 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2423 when the previous cp_lexer_peek_token returns CPP_EOF.
2425 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2428 * call.c (convert_like_real): Check that we are actually converting
2431 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2433 * decl.c (grokdeclarator): Remove errmsg and use of
2434 targetm.invalid_return_type.
2435 (grokparms): Remove errmsg and use of
2436 targetm.invalid_parameter_type.
2438 2016-05-13 Jason Merrill <jason@redhat.com>
2442 * pt.c (tsubst_decl): Use uses_template_parms.
2443 (instantiate_template_1): Handle non-dependent calls in templates.
2444 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2445 (type_dependent_expression_p): Only consider innermost template args.
2446 (dependent_template_arg_p): Check enclosing class of a template here.
2447 (dependent_template_p): Not here.
2448 (type_dependent_object_expression_p): New.
2449 * typeck.c (finish_class_member_access_expr): Use it.
2450 * parser.c (cp_parser_postfix_expression): Use it.
2451 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2452 to detect the current instantiation.
2453 (cp_parser_lookup_name): Really implement DR 141.
2454 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2455 (any_dependent_bases_p): Split out from...
2456 * name-lookup.c (do_class_using_decl): ...here.
2457 * call.c (build_new_method_call_1): Use it.
2458 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2459 * tree.c (non_static_member_function_p): Remove.
2460 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2462 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2463 complete_type_or_else for unknown_type_node, too.
2465 2016-05-12 Marek Polacek <polacek@redhat.com>
2468 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2469 * cp-tree.h (cp_build_modify_expr): Update declaration.
2470 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2472 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2473 cp_build_modify_expr.
2474 * decl2.c (set_guard): Likewise.
2475 (handle_tls_init): Likewise.
2476 * init.c (perform_member_init): Likewise.
2477 (expand_virtual_init): Likewise.
2478 (build_new_1): Likewise.
2479 (build_vec_delete_1): Likewise.
2480 (get_temp_regvar): Likewise.
2481 (build_vec_init): Likewise.
2482 * method.c (do_build_copy_assign): Likewise.
2483 (assignable_expr): Likewise.
2484 * semantics.c (finish_omp_for): Likewise.
2485 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2487 (cp_pointer_int_sum): Add location parameter. Pass it down to
2489 (pointer_diff): Add location parameter. Use it.
2490 (build_modify_expr): Pass location down to cp_build_modify_expr.
2491 (cp_build_modify_expr): Add location parameter. Use it.
2492 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2493 * typeck2.c (cxx_incomplete_type_diagnostic,
2494 cxx_incomplete_type_error): Add location parameter.
2496 2016-05-11 Marek Polacek <polacek@redhat.com>
2499 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2501 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2503 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2504 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2506 2016-05-04 Marek Polacek <polacek@redhat.com>
2508 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2509 with OPT_Wdangling_else.
2511 2016-05-03 Martin Sebor <msebor@redhat.com>
2514 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2515 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2517 2016-05-03 Marek Polacek <polacek@redhat.com>
2520 * call.c (build_cxx_call): Pass location and vNULL down to
2521 check_builtin_function_arguments.
2523 2016-05-03 Richard Biener <rguenther@suse.de>
2525 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2526 the checksum from the previous stage.
2528 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2531 * typeck.c (finish_class_member_access_expr): When
2532 giving a hint about a possibly-misspelled member name,
2533 add a fix-it replacement hint.
2535 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2537 * cp-tree.h (finish_omp_clauses): Update prototype.
2538 * parser.c (cp_parser_oacc_all_clauses): Update call to
2540 (cp_parser_omp_all_clauses): Likewise.
2541 (cp_parser_omp_for_loop): Likewise.
2542 (cp_omp_split_clauses): Likewise.
2543 (cp_parser_oacc_cache): Likewise.
2544 (cp_parser_oacc_loop): Likewise.
2545 (cp_parser_omp_declare_target):
2546 (cp_parser_cilk_simd_all_clauses): Likewise.
2547 (cp_parser_cilk_for): Likewise.
2548 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2549 arguments with enum c_omp_region_type ort.
2550 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2551 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2552 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2553 (tsubst_expr): Update calls to tsubst_omp_clauses.
2554 * semantics.c (finish_omp_clauses): Replace bool arguments
2555 allow_fields, declare_simd, and is_cilk with bitmask ort.
2556 (finish_omp_for): Update call to finish_omp_clauses.
2558 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2561 * parser.c (cp_parser_class_head): Capture the start location;
2562 use it to emit a fix-it insertion hint when complaining
2563 about missing "template <> " in explicit specializations.
2565 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2567 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2569 2016-05-02 Richard Biener <rguenther@suse.de>
2571 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2574 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2577 * class.c (check_field_decl): Remove final int* parameter, change
2578 the return type to bool; fix logic in order not to reject multiple
2579 initialized fields in anonymous struct.
2580 (check_field_decls): Adjust call.
2582 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2585 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2586 OACC_LOOP_CLAUSE_MASK.
2587 (cp_parser_oacc_kernels_parallel): Update call to
2588 c_oacc_split_loop_clauses.
2590 2016-04-28 Jason Merrill <jason@redhat.com>
2592 Implement C++17 [[nodiscard]] attribute.
2595 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2596 * tree.c (handle_nodiscard_attribute): New.
2597 (cxx_attribute_table): Add [[nodiscard]].
2598 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2599 (maybe_warn_nodiscard): New.
2600 (convert_to_void): Call it.
2602 * cvt.c (cp_get_callee): New.
2603 * constexpr.c (get_function_named_in_call): Use it.
2604 * cxx-pretty-print.c (postfix_expression): Use it.
2605 * except.c (check_noexcept_r): Use it.
2606 * method.c (check_nontriv): Use it.
2607 * tree.c (build_aggr_init_expr): Use it.
2608 * cp-tree.h: Declare it.
2610 2015-04-27 Ryan Burn <contact@rnburn.com>
2611 Jeff Law <law@redhat.com>
2615 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2616 instead of cilk_detect_spawn_and_unwrap.
2617 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2619 (cilk_cp_detect_spawn_and_unwrap): New.
2620 * lambda.c: Include cp-cilkplus.h.
2621 * parser.c: Include cp-cilkplus.h.
2622 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2623 * cp-cilkpus.h: New file.
2625 2016-04-27 Nathan Sidwell <nathan@acm.org>
2627 * constexpr.c (get_fundef_copy): Use the original function for
2628 non-recursive evaluations.
2629 (save_fundef_copy): Always expect a slot to be available.
2631 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2633 * parser.c (cp_parser_postfix_expression): Call
2634 warn_for_memset instead of warning directly here.
2636 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2639 * decl.c (build_enumerator): Set current_access_specifier when
2640 declaring an enumerator belonging to an in-class enumeration.
2641 * parser.c (cp_parser_check_access_in_redecleration): Also
2642 consider in-class enumerations.
2644 2016-04-26 Marek Polacek <polacek@redhat.com>
2647 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2648 instead of stabilize_reference.
2649 (build_over_call): Likewise.
2650 * cp-tree.h (cp_stabilize_reference): Declare.
2651 * tree.c (cp_stabilize_reference): New function.
2652 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2653 stabilize_reference.
2654 (unary_complex_lvalue): Likewise.
2655 (cp_build_modify_expr): Likewise.
2657 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2660 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2663 2016-04-25 Jason Merrill <jason@redhat.com>
2665 * tree.c (std_attribute_table): New.
2666 (init_tree): Register it.
2668 2016-04-22 Jason Merrill <jason@redhat.com>
2670 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2672 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2674 * name-lookup.c (free_saved_scope): New free list of saved_scope
2676 (push_to_top_level): Attempt to reuse a saved_scope struct
2677 from free_saved_scope instead of allocating a new one each time.
2678 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2679 onto free_saved_scope.
2681 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2684 * semantics.c (process_outer_var_ref): Unconditionally return
2685 error_mark_node when mark_used returns false.
2687 2016-04-21 Marek Polacek <polacek@redhat.com>
2690 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2691 extra qualification.
2693 2016-04-20 Nathan Sidwell <nathan@acm.org>
2696 * init.c (build_vec_delete_1): Protect operator delete call in try
2698 (build_delete): Likewise.
2699 * optimize.c (build_delete_destructor_body): Likewise.
2701 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2704 * cp-tree.h (finish_omp_clauses): Add new default argument.
2705 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2706 instead of c_finish_cilk_clauses.
2707 * semantics.c (finish_omp_clauses): Add new argument. Allow
2708 floating-point variables in the linear clause for Cilk Plus.
2710 2016-04-20 Nathan Sidwell <nathan@acm.org>
2712 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2715 2016-04-19 Jason Merrill <jason@redhat.com>
2718 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2719 * pt.c (make_pack_expansion): Call mark_exp_read.
2720 * semantics.c (finish_id_expression): Call mark_type_use in
2721 unevaluated context.
2724 * call.c (implicit_conversion): If we choose a copy constructor
2725 for list-initialization from the same type, the conversion is an
2728 * constexpr.c (breaks): Handle EXIT_EXPR.
2729 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2730 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2735 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2738 * pt.c (tsubst_expr): Remove shadowing declaration.
2739 (tsubst_pack_expansion): Add assert.
2741 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2744 * name-lookup.c (qualified_lookup_using_namespace): Look through
2747 2016-04-18 Michael Matz <matz@suse.de>
2749 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2750 (layout_class_type): Ditto.
2751 (build_base_field): Use SET_DECL_ALIGN.
2752 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2753 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2754 (record_unknown_type): Use SET_TYPE_ALIGN.
2755 (cxx_init_decl_processing): Ditto.
2756 (copy_type_enum): Ditto.
2757 (grokfndecl): Use SET_DECL_ALIGN.
2758 (copy_type_enum): Use SET_TYPE_ALIGN.
2759 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2761 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2762 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2763 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2764 * rtti.c (emit_tinfo_decl): Ditto.
2766 2016-04-18 Jason Merrill <jason@redhat.com>
2770 * class.c (type_maybe_constexpr_default_constructor): New.
2771 (type_has_constexpr_default_constructor): Revert.
2773 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2777 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2778 (handle_com_interface_attribute): Delete.
2780 2016-04-15 Jason Merrill <jason@redhat.com>
2783 * constexpr.c (get_fundef_copy): Handle null *slot.
2786 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2787 unknown_type_node, too.
2789 2016-04-15 Jason Merrill <jason@redhat.com>
2790 Nathan Sidwell <nathan@acm.org>
2793 * constexpr.c (constexpr_call_table): Preserve in GC.
2794 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2795 (fundef_copies_table): Preserve in GC. Change to pointer to
2797 (maybe_initialize_fundef_copies_table): Adjust.
2798 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2799 (save_fundef_copy): Adjust for a TREE_LIST.
2800 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2801 (fini_constexpr): New.
2802 * cp-tree.h (fini_constexpr): Declare.
2803 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2805 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2808 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2810 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2811 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2812 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2813 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2814 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2815 cp_parser_statement.
2816 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2817 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2818 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2819 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2820 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2821 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2822 cp_parser_omp_taskloop, cp_parser_omp_construct,
2823 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2824 Add IF_P argument, pass it down where needed.
2825 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2826 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2829 2016-04-14 Jason Merrill <jason@redhat.com>
2832 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2833 * typeck2.c (split_nonconstant_init_1): Use it.
2836 * class.c (type_has_constexpr_default_constructor): Return true
2837 for an implicitly declared constructor.
2840 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2841 (cp_parser_simple_declaration): Pass it.
2842 (strip_declarator_types): New.
2845 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2846 initializer also makes the variable value-dependent.
2849 * constexpr.c (cxx_eval_store_expression): Also copy
2850 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2852 2016-04-14 Martin Sebor <msebor@redhat.com>
2857 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2859 2016-04-14 Jason Merrill <jason@redhat.com>
2861 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2862 parameter ABI change.
2864 2016-04-13 Martin Sebor <msebor@redhat.com>
2869 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2871 * decl.c (check_initializer, cp_finish_decl): Call them.
2872 (reshape_init_r): Reject incompletely braced intializer-lists
2874 * init.c (throw_bad_array_length, build_vla_check)
2875 (build_vla_size_check, build_vla_init_check): Define new functions.
2876 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2878 (store_init_value): Same.
2880 2016-04-13 Jason Merrill <jason@redhat.com>
2882 Warn about empty parameter ABI with -Wabi=9.
2883 * call.c (empty_class_msg, mark_for_abi_warning)
2884 (warn_empty_class_abi): New.
2885 (build_call_a): Use them.
2886 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2887 * error.c (pp_format_to_string): New.
2889 Pass empty class parameters like C.
2890 * call.c (pass_as_empty_struct, empty_class_arg): New.
2891 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2892 (build_call_a): Use empty_class_arg.
2893 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2894 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2896 2016-04-13 Jason Merrill <jason@redhat.com>
2899 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2901 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2904 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2905 avoidance mechanism.
2907 2016-04-13 Jason Merrill <jason@redhat.com>
2910 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2911 from instantiation_dependent_expression_p.
2912 (value_dependent_expression_p): Use it for unevaluated operands.
2913 (instantiation_dependent_r): Don't check value-dependence.
2914 (instantiation_dependent_expression_p): Check
2915 value-dependence of the expression as a whole.
2916 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2917 * semantics.c (finish_decltype_type): Use it.
2919 * constexpr.c (potential_nondependent_constant_expression): New.
2920 (potential_nondependent_static_init_expression): New.
2921 (maybe_constant_value_1, fold_non_dependent_expr)
2922 (maybe_constant_init): Use them.
2923 * pt.c (instantiate_non_dependent_expr_sfinae)
2924 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2926 * cp-tree.h: Declare them.
2928 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2931 * decl.c (pop_labels_1): Removed.
2932 (note_label, sort_labels): New functions.
2933 (pop_labels): During named_labels traversal, just push the slot
2934 pointers into a vector, then qsort it by DECL_UID and only then
2935 call pop_label and chain it into BLOCK_VARS.
2937 2016-04-13 Jason Merrill <jason@redhat.com>
2940 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2941 (cp_gimplify_expr): Not here.
2943 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2946 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2948 * typeck.c (build_x_conditional_expr): Unconditionally remember
2949 that the result is an lvalue or xvalue.
2951 2016-04-12 Jason Merrill <jason@redhat.com>
2953 * class.c (is_really_empty_class): A zero-length array is empty.
2954 An unnamed bit-field doesn't make a class non-empty.
2956 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2959 * parser.c (cp_parser_cache_defarg): When file ends in default
2960 argument simply return error_mark_node.
2962 2016-04-12 Nathan Sidwell <nathan@acm.org>
2965 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2968 2016-04-11 Jason Merrill <jason@redhat.com>
2970 * mangle.c (decl_is_template_id): The template itself counts as a
2973 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2977 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2978 on the result if it's not a CONSTRUCTOR.
2980 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2983 * constexpr.c (find_constructor): New function.
2984 (unshare_constructor): New function.
2985 (cxx_eval_call_expression): Use unshare_constructor instead of
2987 (find_array_ctor_elt): Likewise.
2988 (cxx_eval_vec_init_1): Likewise.
2989 (cxx_eval_store_expression): Likewise.
2990 (cxx_eval_constant_expression): Likewise.
2992 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2995 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2996 potentially generating a future -Wparentheses warning in its
2999 2016-04-06 Jason Merrill <jason@redhat.com>
3001 * class.c (check_abi_tags): Fix function template handling.
3003 2016-04-05 Nathan Sidwell <nathan@acm.org>
3006 * class.c (fixup_may_alias): New.
3007 (fixup_attribute_variants): Call it.
3009 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3012 * constexpr.c (struct fundef_copy): New struct.
3013 (struct fundef_copies_table_t): New struct.
3014 (fundef_copies_table): New static variable.
3015 (maybe_initialize_fundef_copies_table): New static function.
3016 (get_fundef_copy): New static function.
3017 (save_fundef_copy): New static function.
3018 (cxx_eval_call_expression): Use get_fundef_copy, and
3020 (constexpr_call_table): Add "deletable" GTY marker.
3022 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3025 * cp-tree.h (class cache_map): Remove.
3026 * constexpr.c (cv_cache): Change type to
3027 GTY((deletable)) hash_map<tree, tree> *.
3028 (maybe_constant_value): Adjust following the change to cv_cache.
3029 (clear_cv_cache): New static function.
3030 (clear_cv_and_fold_caches): Use it.
3031 * cp-gimplify.c (fold_cache): Change type to
3032 GTY((deletable)) hash_map<tree, tree> *.
3033 (clear_fold_cache): Adjust following the change to fold_cache.
3034 (cp_fold): Likewise.
3036 2016-04-02 Martin Sebor <msebor@redhat.com>
3042 * constexpr.c (diag_array_subscript): New function.
3043 (cxx_eval_array_reference): Detect out of bounds array indices.
3045 2016-04-01 Jason Merrill <jason@redhat.com>
3049 * pt.c (instantiate_decl): A function isn't fully defined if
3050 DECL_INITIAL is error_mark_node.
3051 * constexpr.c (cxx_eval_call_expression): Likewise.
3053 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3054 Marek Polacek <polacek@redhat.com>
3057 * init.c (warn_placement_new_too_small): Test whether
3058 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
3060 2016-04-01 Nathan Sidwell <nathan@acm.org>
3063 * decl.c (check_redeclaration_exception_specification): Check
3064 regardless of -fno-exceptions.
3065 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3066 flag_exceptions too.
3068 2016-03-31 Nathan Sidwell <nathan@acm.org>
3070 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3071 (finish_destructor_body): Don't emit operator delete here.
3073 2016-03-31 Nathan Sidwell <nathan@acm.org>
3076 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3077 elements in field order.
3079 2016-03-31 Marek Polacek <polacek@redhat.com>
3082 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3084 2016-03-31 Richard Biener <rguenther@suse.de>
3087 * typeck.c (cp_build_binary_op): Fix operand order of vector
3088 conditional in truth op handling.
3090 2016-03-29 Jason Merrill <jason@redhat.com>
3093 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3094 in constexpr functions.
3096 2016-03-28 Jason Merrill <jason@redhat.com>
3101 * decl.c, pt.c, constexpr.c: Revert last patch.
3103 2016-03-25 Jason Merrill <jason@redhat.com>
3104 Martin Liška <mliska@suse.cz>
3109 * decl.c (cp_fname_init): Decay the initializer to pointer.
3110 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3111 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3112 Don't call cp_finish_decl.
3113 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3114 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3115 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3116 Handle DECL_VALUE_EXPR.
3118 2016-03-24 Jason Merrill <jason@redhat.com>
3121 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3124 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3127 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3130 * tree.c (build_cplus_array_type): Determine type-dependentess
3131 with uses_template_parms instead of with dependent_type_p.
3133 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3136 * typeck.c (process_init_constructor_union): If the initializer
3137 is empty, use the union's NSDMI if it has one.
3139 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3142 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3143 NSDMI that's part of an aggregrate initialization.
3145 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3148 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3149 for 1..max even for multi-dimensional arrays. Call unshare_expr
3153 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3154 on TREE_OVERFLOW constants.
3157 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3158 for OMP_TASKLOOP here.
3159 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3160 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3162 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3163 Jason Merrill <jason@redhat.com>
3164 Jakub Jelinek <jakub@redhat.com>
3167 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3168 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3169 (finish_function): Don't set or test them.
3170 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3172 2016-03-23 Jason Merrill <jason@redhat.com>
3175 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3177 2016-03-23 Marek Polacek <polacek@redhat.com>
3180 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3182 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3184 * call.c (build_conditional_expr_1): Always use original
3185 condition type for vector type checks and build.
3187 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3190 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3192 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3195 * constexpr.c (non_const_var_error): Check
3196 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3198 2016-03-21 Richard Henderson <rth@redhat.com>
3201 * decl.c (notice_forced_label_r): New.
3202 (cp_finish_decl): Use it.
3204 2016-03-21 Jason Merrill <jason@redhat.com>
3207 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3209 2016-03-18 Jason Merrill <jason@redhat.com>
3212 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3215 * class.c (vptr_via_virtual_p): New.
3216 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3217 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3218 a vptr from any virtual base in a not-in-charge 'structor.
3220 * decl.c (build_clobber_this): Factor out of
3221 start_preparsed_function and begin_destructor_body. Handle
3222 virtual bases better.
3224 * class.c (build_if_in_charge): Split out from build_base_path.
3225 * init.c (expand_virtual_init, expand_default_init): Use it.
3226 * call.c (build_special_member_call): Use it.
3228 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3231 * init.c (build_new_1): Complain and return error_mark_node
3232 if alloc_fn is not _Jv_AllocObject function returning pointer.
3234 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3237 * search.c (adjust_result_of_qualified_name_lookup): Don't
3238 update the BASELINK_BINFO of DECL if the second call
3239 to lookup_base fails.
3241 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3244 * parser.c (cp_parser_lambda_expression): Move call to
3245 pop_deferring_access_checks ahead of the call to
3246 cp_parser_end_tentative_firewall.
3248 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3251 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3252 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3253 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3255 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3256 if magic_varargs_p == 1, call decay_conversion
3257 instead of mark_type_use. Don't store error_mark_node arguments to
3258 argarray, instead return error_mark_node.
3261 * decl.c (begin_destructor_body): Don't insert clobber if
3262 is_empty_class (current_class_type).
3264 2016-03-17 Marek Polacek <polacek@redhat.com>
3267 * typeck.c (warn_for_null_address): New function.
3268 (cp_build_binary_op): Call it.
3270 2016-03-16 Jason Merrill <jason@redhat.com>
3273 * decl.c (start_preparsed_function): Don't clobber an empty base.
3275 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3278 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3279 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3282 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3283 set in_base_initializer.
3285 2016-03-15 Marek Polacek <polacek@redhat.com>
3288 * tree.c (strip_typedefs): Call strip_typedefs again on the
3289 DECL_ORIGINAL_TYPE result.
3291 2016-03-15 Jason Merrill <jason@redhat.com>
3294 * pt.c (instantiate_decl): Fix call to variable_template_p.
3297 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3299 2016-03-14 Casey Carter <casey@carter.net>
3300 Jason Merrill <jason@redhat.com>
3302 P0184R0: Generalizing the Range-Based For Loop
3303 * parser.c (cp_convert_range_for): Set the type of __end separately.
3304 (cp_parser_perform_range_for_lookup): Allow different begin/end
3305 types if they are comparable.
3307 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3310 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3311 processing_template_decl and EXPR is a SCOPE_REF.
3313 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3314 Jakub Jelinek <jakub@redhat.com>
3317 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3318 return value from cxx_eval_constant_expression from earlier
3319 elements if it is valid constant initializer requiring no
3322 2016-03-10 Marek Polacek <polacek@redhat.com>
3325 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3327 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3329 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3330 when calling c_finish_omp_clauses.
3332 2016-03-08 Jason Merrill <jason@redhat.com>
3334 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3335 diagnostic for use of "concept".
3336 (cp_parser_requires_clause_opt): And "requires".
3337 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3338 (cp_parser_explicit_template_declaration): Adjust.
3339 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3341 P0036R0: Unary Folds and Empty Parameter Packs
3342 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3344 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3347 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3348 even after the last iteration of the loop.
3350 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3352 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3355 * pt.c (get_template_info): Handle PARM_DECL.
3356 (template_class_depth): Check DECL_P instead of
3357 VAR_OR_FUNCTION_DECL_P.
3359 2016-03-05 Jason Merrill <jason@redhat.com>
3362 * constexpr.c (cxx_eval_store_expression): Replace
3363 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3365 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3368 * pt.c (template_class_depth): Given a lambda type, iterate
3369 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3370 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3373 2016-03-04 Jason Merrill <jason@redhat.com>
3376 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3377 * init.c (build_vec_delete_1): Set it.
3378 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3380 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3382 * decl.c (start_preparsed_function): Don't emit start clobber at the
3383 start of constructor clones.
3386 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3387 * decl.c (start_preparsed_function): Call
3388 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3389 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3390 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3392 2016-03-04 Jason Merrill <jason@redhat.com>
3395 * constexpr.c (cxx_eval_component_reference): Further tweak.
3397 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3398 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3399 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3400 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3403 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3406 2016-03-03 Jason Merrill <jason@redhat.com>
3408 * method.c (synthesized_method_walk): operator= can also be constexpr.
3410 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3411 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3414 * pt.c (copy_template_args): New.
3415 (tsubst_pack_expansion): Use it.
3417 * call.c (build_aggr_conv): Use get_nsdmi.
3420 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3423 * constexpr.c (cxx_eval_component_reference): Just return an empty
3424 CONSTRUCTOR for an empty class.
3426 2016-03-01 Jason Merrill <jason@redhat.com>
3429 * parser.c (cp_parser_requires_clause): Call
3430 check_for_bare_parameter_packs.
3433 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3437 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3438 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3439 [TARGET_EXPR]: Unshare init.
3441 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3445 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3448 2016-02-28 Jason Merrill <jason@redhat.com>
3451 * constexpr.c (cxx_eval_store_expression): Unshare init.
3453 2016-02-26 Jason Merrill <jason@redhat.com>
3456 * pt.c (make_argument_pack): New.
3457 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3458 (tsubst_copy_and_build): Likewise.
3460 2016-02-25 Jason Merrill <jason@redhat.com>
3463 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3464 * tree.c (build_aggr_init_expr): Set it.
3465 * semantics.c (simplify_aggr_init_expr): Check it.
3466 * cp-gimplify.c (cp_genericize_r): Don't walk into
3467 a call/aggr_init from a thunk.
3470 * method.c (forward_parm): Handle parameter packs.
3471 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3474 * constexpr.c (cxx_eval_component_reference): Don't complain about
3475 unevaluated empty classes.
3478 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3480 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3483 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3484 (maybe_undo_parenthesized_ref): Declare.
3485 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3487 (finish_call_expr): Use it.
3488 * typeck.c (check_return_expr): Use it.
3489 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3490 REF_PARENTHESIZED_P flag.
3492 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3495 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3497 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3499 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3500 unless they are folded into INTEGER_CST, error_mark_node or some
3501 comparison with NULL, avoid folding them and use either the original
3502 comparison or non-folded comparison of folded arguments.
3503 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3504 comparison, don't fold the comparison right away.
3506 2016-02-24 Jason Merrill <jason@redhat.com>
3509 * friend.c (make_friend_class): Likewise.
3510 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3512 2016-02-24 Jason Merrill <jason@redhat.com>
3515 * pt.c (instantiate_class_template_1): Set
3516 processing_template_decl before substituting friend_type.
3518 016-02-24 Martin Sebor <msebor@redhat.com>
3521 * tree.c (build_ctor_subob_ref): Compare types' main variants
3522 instead of the types as they are.
3524 2016-02-24 Jason Merrill <jason@redhat.com>
3526 * decl.c (start_preparsed_function): Condition ctor clobber on
3527 flag_lifetime_dse > 1.
3529 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3531 2016-02-19 Jason Merrill <jason@redhat.com>
3534 * call.c (remaining_arguments): No longer static.
3535 * cp-tree.h: Declare it.
3536 * pt.c (more_specialized_fn): Use it.
3538 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3539 Bernd Edlinger <bernd.edlinger@hotmail.de>
3541 * Make-lang.in: Invoke gperf with -L C++.
3542 * cfns.gperf: Remove prototypes for hash and libc_name_p
3544 * cfns.h: Regenerated.
3545 * except.c (nothrow_libfn_p): Adjust.
3547 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3550 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3551 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3553 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3556 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3558 * semantics.c (finish_call_expr): Don't assume a constructor
3559 call is dependent if only the "this" pointer is dependent. When
3560 building a constructor call, always use a dummy object.
3562 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3565 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3567 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3568 operators if folding preserved the binop, just with different
3572 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3573 attr_spec is always single element chain, chain all the attributes
3574 properly together in the right order.
3576 2016-02-18 Jason Merrill <jason@redhat.com>
3578 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3580 (mangle_decl): Call maybe_check_abi_tags for function scope.
3581 (mangle_guard_variable): Call maybe_check_abi_tags here.
3582 (write_guarded_var_name): Not here.
3584 2016-02-17 Jason Merrill <jason@redhat.com>
3587 * constexpr.c (build_constexpr_constructor_member_initializers):
3588 Handle an additional STATEMENT_LIST.
3591 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3594 * decl2.c (reset_type_linkage_2): Look through member templates.
3596 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3599 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3601 2016-02-17 Jason Merrill <jason@redhat.com>
3604 * method.c (forward_parm): Split out from...
3605 (add_one_base_init): ...here.
3606 * lambda.c (maybe_add_lambda_conv_op): Use it.
3608 2016-02-16 Jason Merrill <jason@redhat.com>
3612 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3613 tree.c, typeck2.c: Revert earlier changes.
3614 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3615 non-type templates after -> or .
3617 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3620 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3622 2016-02-16 Jason Merrill <jason@redhat.com>
3625 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3626 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3627 * name-lookup.h: Adjust.
3629 2016-02-16 James Norris <jnorris@codesourcery.com>
3631 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3632 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3634 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3637 * init.c (expand_default_init): Only call reshape_init
3638 in the direct-initialization from an initializer list case.
3640 2016-02-15 Jason Merrill <jason@redhat.com>
3643 * semantics.c (finish_call_expr): Implicit 'this' does not make
3645 * search.c (any_dependent_bases_p): Split out...
3646 * name-lookup.c (do_class_using_decl): ...from here.
3647 * call.c (build_new_method_call_1): Don't complain about missing object
3648 if there are dependent bases. Tweak error.
3649 * tree.c (non_static_member_function_p): Remove.
3650 * pt.c (type_dependent_expression_p): A member template of a
3651 dependent type is dependent.
3652 * cp-tree.h: Adjust.
3655 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3657 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3660 * pt.c (lookup_and_finish_template_variable): New function,
3662 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3663 (tsubst_qualified_id): Consider that EXPR might be a variable
3665 * typeck.c (check_template_keyword): Don't emit an error
3666 if DECL is a variable template.
3668 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3670 * error.c: Spelling fixes - behaviour -> behavior and
3671 neighbour -> neighbor.
3673 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3675 * init.c (build_delete): Likewise.
3677 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3680 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3681 arguments for -Waddress warning. Fix up formatting.
3683 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3686 * pt.c (lookup_template_class_1): Check tsubst return value for
3689 2016-02-10 Jason Merrill <jason@redhat.com>
3692 * pt.c (resolve_nondeduced_context): Add complain parm.
3693 (do_auto_deduction): Pass it.
3694 * cvt.c (convert_to_void): Likewise.
3695 * decl.c (cp_finish_decl): Likewise.
3696 * init.c (build_new): Likewise.
3697 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3698 * semantics.c (finish_decltype_type): Likewise.
3699 * typeck.c (decay_conversion): Likewise.
3700 * cp-tree.h: Adjust declaration.
3701 * call.c (standard_conversion): Add complain parm, pass it along.
3702 (implicit_conversion): Pass it.
3705 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3706 (lookup_name_real_1): Likewise.
3707 (remove_hidden_names): Handle non-functions too.
3710 * parser.c (cp_parser_lookup_name): When looking for a template
3711 after . or ->, only consider class templates.
3712 (cp_parser_postfix_dot_deref_expression): Handle the current
3713 instantiation. Remember a dependent object expression.
3714 * typeck2.c (build_x_arrow): Handle the current instantiation.
3716 * ptree.c (debug_tree): Implement for cp_expr.
3718 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3721 * parser.c (cp_parser_simple_type_specifier): Make the check
3722 for disambiguating between an 'auto' placeholder and an implicit
3723 template parameter more robust.
3725 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3729 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3730 setting its TREE_USED flag.
3732 2016-02-08 Jason Merrill <jason@redhat.com>
3735 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3738 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3741 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3742 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3744 2016-02-08 Marek Polacek <polacek@redhat.com>
3747 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3748 Call clear_fold_cache.
3749 * cp-tree.h: Adjust declaration.
3750 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3751 rather than clear_cv_cache and clear_fold_cache.
3752 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3754 2016-02-08 Jason Merrill <jason@redhat.com>
3756 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3757 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3758 (ocp_convert): Use *_maybe_fold.
3759 (cp_convert_to_pointer): Add dofold parameter.
3760 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3762 2016-02-05 Martin Sebor <msebor@redhat.com>
3765 * init.c (find_field_init): New function.
3766 (warn_placement_new_too_small): Call it. Handle one-element arrays
3767 at ends of structures special.
3769 2016-02-05 Jason Merrill <jason@redhat.com>
3772 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3773 make sure we've seen_error().
3775 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3778 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3779 if lookup_fnfields returns NULL_TREE and the name being looked
3780 up has the form A::A.
3782 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3784 * constexpr.c (cxx_eval_binary_expression): Fold equality
3785 comparisons involving PTRMEM_CSTs.
3787 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3789 * class.c (find_flexarrays): Don't declare dom variable.
3790 (diagnose_flexarray): Likewise.
3792 2016-02-02 Martain Sebor <msebor@redhat.com>
3799 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3800 of a flexible array member for equality to null.
3801 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3802 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3803 (check_flexarrays): Same.
3804 * decl.c (compute_array_index_type): Avoid special case for flexible
3806 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3808 * error.c (dump_type_suffix): Revert changes introduced in r231665
3809 and rendered unnecessary by the changes above.
3810 * pt.c (tsubst): Same.
3811 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3812 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3813 (process_init_constructor_array): Same.
3814 (process_init_constructor_record): Same.
3816 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3819 * pt.c (try_one_overload): Handle comparing argument packs so
3820 that there is no conflict if we deduced more arguments of an
3821 argument pack than were explicitly specified.
3823 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3824 Jason Merrill <jason@redhat.com>
3827 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3828 function type if nothing is changing.
3830 2016-01-31 Jason Merrill <jason@redhat.com>
3833 * pt.c (partial_specialization_p, impartial_args): New.
3834 (instantiate_decl): Call impartial_args.
3836 * mangle.c (maybe_check_abi_tags): New.
3837 (write_guarded_var_name): Call it.
3838 (mangle_ref_init_variable): Call check_abi_tags.
3840 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3841 between template and instantiation.
3843 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3846 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3847 function declarations.
3849 2016-01-29 Marek Polacek <polacek@redhat.com>
3853 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3854 out of bound" error earlier.
3855 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3858 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3860 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3861 structure, update free_binding_level before the structure's
3862 level_chain field gets cleared, not after.
3864 2016-01-28 Jason Merrill <jason@redhat.com>
3867 * search.c (dfs_walk_once, dfs_walk_once_r)
3868 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3869 hash_set instead of BINFO_MARKED.
3870 (dfs_unmark_r): Remove.
3872 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3875 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3876 (cp_lexer_debugging_p): Use it.
3877 (cp_lexer_start_debugging): Likewise.
3878 (cp_lexer_stop_debugging): Likewise.
3880 2016-01-27 Marek Polacek <polacek@redhat.com>
3883 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3884 needed. Add -Wsign-compare warning.
3886 2016-01-27 Ryan Burn <contact@rnburn.com>
3889 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3890 superfluous post_p argument in call to
3891 cilk_gimplify_call_params_in_spawned_fn.
3893 2016-01-27 Marek Polacek <polacek@redhat.com>
3896 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3897 wrapped in NOP_EXPRs.
3899 2016-01-27 Martin Sebor <msebor@redhat.com>
3902 * mangle.c (mangle_decl): Reference the correct (saved) version
3903 of the ABI in -Wabi diagnostics.
3905 2016-01-27 Marek Polacek <polacek@redhat.com>
3908 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3909 elements of the array.
3911 2016-01-26 Jason Merrill <jason@redhat.com>
3914 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3915 (cxx_eval_call_expression): Don't look through clones.
3916 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3917 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3918 maybe-in-charge *tor.
3920 2016-01-26 Jason Merrill <jason@redhat.com>
3923 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3924 and TREE_SIDE_EFFECTS.
3925 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3926 verify_constructor_flags.
3928 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3931 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3932 return error_mark_node instead of building trees with error_mark_node
3935 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3938 * error.c (print_instantiation_partial_context_line): Add missing
3939 newlines from output for the t == NULL case.
3940 (print_instantiation_partial_context): Remove call to pp_newline.
3942 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3945 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3950 * decl.c (grokdeclarator): Don't decay array parameter type to
3951 a pointer type if it's dependent.
3952 (grokparms): Invoke strip_top_quals instead of directly invoking
3953 cp_build_qualified_type.
3954 * pt.c (decay_dependent_array_parm_type): New static function.
3955 (type_unification_real): Call decay_dependent_array_parm_type
3956 to decay a dependent array parameter type to its corresponding
3957 pointer type before unification.
3958 (more_specialized_fn): Likewise.
3959 (get_bindings): Likewise.
3960 * tree.c (cp_build_qualified_type): Trivial typofix in
3963 2016-01-23 Martin Sebor <msebor@redhat.com>
3967 * decl2.c (is_late_template_attribute): Handle dependent argument
3968 to attribute align and attribute vector_size.
3970 2016-01-21 Jason Merrill <jason@redhat.com>
3973 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3974 for init-capture, too.
3977 * decl.c (type_is_deprecated): Don't look into a typedef.
3981 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3984 * decl.c (start_enum): Add attributes parameter.
3985 * parser.c (cp_parser_enum_specifier): Pass it.
3986 * pt.c (lookup_template_class_1): Pass it.
3987 * cp-tree.h: Adjust.
3989 2016-01-19 Jason Merrill <jason@redhat.com>
3992 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3994 2016-01-19 Marek Polacek <polacek@redhat.com>
3997 * constexpr.c (clear_cv_cache): New.
3998 * cp-gimplify.c (clear_fold_cache): New.
3999 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
4000 * decl.c (finish_enum_value_list): Call them.
4003 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
4005 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
4010 * decl.c (grokdeclarator): Don't decay array parameter type to
4011 a pointer type if it's dependent.
4012 (grokparms): Invoke strip_top_quals instead of directly invoking
4013 cp_build_qualified_type.
4014 * pt.c (decay_dependent_array_parm_type): New static function.
4015 (type_unification_real): Call decay_dependent_array_parm_type
4016 to decay a dependent array parameter type to its corresponding
4017 pointer type before unification.
4018 (more_specialized_fn): Likewise.
4019 (get_bindings): Likewise.
4020 * tree.c (cp_build_qualified_type): Trivial typofix in
4023 2016-01-18 Jason Merrill <jason@redhat.com>
4025 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
4027 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
4030 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
4031 (contains_label_1, contains_label_p): Remove.
4033 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4036 * pt.c (type_dependent_expression_p): For a function template
4037 specialization, a type is dependent iff any of its template
4040 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4042 * cp-array-notation.c (cp_expand_cond_array_notations): Return
4043 error_mark_node only if find_rank failed, not if it was
4046 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4049 * tree.c (build_min_non_dep_call_vec): Don't retain the
4050 KOENIG_LOOKUP_P flag of the non-dependent expression that's
4052 (build_min_non_dep_op_overload): Instead, do it here.
4054 2016-01-15 Jakub Jelinek <jakub@redhat.com>
4057 * parser.h (cp_token): Remove pragma_kind field. Add comment
4058 with number of unused bits.
4059 * parser.c (eof_token): Remove pragma_kind field initializer.
4060 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
4061 field, don't clear CPP_PRAGMA u.value.
4062 (cp_parser_pragma_kind): New function.
4063 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4064 cp_parser_omp_construct, cp_parser_initial_pragma,
4065 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4068 2016-01-15 Jason Merrill <jason@redhat.com>
4071 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4073 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4077 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4078 array/function-to-pointer conversion. Call
4079 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4080 * call.c (convert_like_real): Print call context if
4081 decay_conversion errors.
4083 2016-01-14 Tom de Vries <tom@codesourcery.com>
4085 PR tree-optimization/68773
4086 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4089 2016-01-14 Jason Merrill <jason@redhat.com>
4092 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4094 2016-01-12 Marek Polacek <polacek@redhat.com>
4097 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4098 error_at and adjust the return value.
4100 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4104 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4105 GS_ERROR whenever seen_error (), only if *expr_p contains
4106 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4110 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4112 2016-01-11 Jason Merrill <jason@redhat.com>
4115 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4116 (process_subob_fn): Likewise. Don't consider triviality if true.
4117 (synthesize_method_walk): Pass it.
4119 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4122 * parser.c (cp_parser_postfix_expression): Initialize
4123 close_paren_loc to UNKNOWN_LOCATION; only use it if
4124 it has been written to by
4125 cp_parser_parenthesized_expression_list.
4126 (cp_parser_parenthesized_expression_list): Document the behavior
4127 with respect to the CLOSE_PAREN_LOC param.
4129 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4132 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4133 folded operands have side-effects, but folding changed any of them,
4134 build a new tree with the folded operands instead of returning the
4137 2016-01-09 Marek Polacek <polacek@redhat.com>
4140 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4142 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4145 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4147 2016-01-08 Jason Merrill <jason@redhat.com>
4150 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4153 2016-01-08 Marek Polacek <polacek@redhat.com>
4156 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4158 2016-01-08 Jason Merrill <jason@redhat.com>
4160 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4165 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4166 TREE_ADDRESSABLE type.
4170 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4172 2016-01-05 Nathan Sidwell <nathan@acm.org>
4175 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4178 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4180 Update copyright years.
4182 Copyright (C) 2016 Free Software Foundation, Inc.
4184 Copying and distribution of this file, with or without modification,
4185 are permitted in any medium without royalty provided the copyright
4186 notice and this notice are preserved.