1 2016-11-17 Jason Merrill <jason@redhat.com>
3 PR c++/78193 - inherited ctor regressions on sparc32.
4 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
5 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
6 (convert_like_real) [ck_rvalue]: Also pass non-addressable
9 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
12 * parser.c (cp_parser_non_integral_constant_expression): Issue a
13 pedwarn instead of an error for case NIC_FLOAT.
15 2016-11-17 Jason Merrill <jason@redhat.com>
17 PR c++/78124 - list-initialization and inherited ctor
18 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
20 PR c++/78369 - {} as default argument
21 * call.c (build_special_member_call): Handle CONSTRUCTOR.
24 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
26 2016-11-16 Jason Merrill <jason@redhat.com>
29 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
30 * typeck2.c (store_init_value): Likewise.
32 * decl.c (store_decomp_type, lookup_decomp_type): New.
33 (cp_finish_decomp): Call store_decomp_type.
34 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
35 * cp-tree.h: Declare lookup_decomp_type.
37 2016-11-15 Jakub Jelinek <jakub@redhat.com>
39 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
40 set DECL_ASSEMBLER_NAME.
41 * parser.c (cp_parser_decomposition_declaration): Likewise
42 if returning error_mark_node.
43 * mangle.c (mangle_decomp): New function.
44 * cp-tree.h (mangle_decomp): New declaration.
46 2016-11-15 Jason Merrill <jason@redhat.com>
49 * semantics.c (finish_decltype_type): Strip references for a tuple
51 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
53 * decl2.c (decl_maybe_constant_var_p): References qualify.
54 * constexpr.c (non_const_var_error): Handle references.
55 * init.c (constant_value_1): Always check decl_constant_var_p.
56 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
57 * error.c (dump_decl_name): Split out from dump_decl.
59 2016-11-14 Jason Merrill <jason@redhat.com>
61 * tree.c (bitfield_p): New.
62 * cp-tree.h: Declare it.
63 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
64 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
65 * decl.c (cp_finish_decomp): Look through reference. Always
66 SET_DECL_DECOMPOSITION_P.
67 * semantics.c (finish_decltype_type): Adjust decomposition handling.
69 2016-11-13 Jakub Jelinek <jakub@redhat.com>
70 Jason Merrill <jason@redhat.com>
72 Implement P0217R3 - C++17 structured bindings
73 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
74 (DECL_DECOMPOSITION_P): New
75 (enum auto_deduction_context): Add adc_decomp_type.
76 (enum cp_declarator_kind): Add cdk_decomp.
77 * constexpr.c (cxx_eval_constant_expression): Look through
79 (potential_constant_expression_1): Likewise.
80 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
81 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
82 (cp_finish_decl): Pass adc_decomp_type for decomposition.
83 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
84 (get_tuple_decomp_init, cp_finish_decomp): New.
85 (grokdeclarator): Handle decomposition.
86 * init.c (build_aggr_init): Handle decomposition array.
87 (build_vec_init): Handle initialization from { array }.
88 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
90 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
91 (function_declarator_p, strip_declarator_types)
92 (cp_parser_check_declarator_template_parameters): Likewise.
93 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
94 (cp_parser_simple_declaration): Parse decomposition.
95 (cp_parser_decomposition_declaration): New.
96 * pt.c (tsubst_decomp_names): New.
97 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
98 (do_auto_deduction): Handle adc_decomp_type.
99 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
100 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
101 * tree.c (lvalue_kind): Likewise.
102 (cp_build_reference_type): Handle reference collapsing.
104 2016-11-13 Jason Merrill <jason@redhat.com>
106 * call.c (build_new_method_call_1): Include template arguments in
108 (print_error_for_call_failure): Likewise.
109 (build_new_function_call): Pass them in.
110 * name-lookup.c (supplement_binding_1): Don't complain about a
111 conflict with an erroneous declaration.
112 * error.c (dump_decl): Fix printing of alias declaration.
113 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
114 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
115 * semantics.c (perform_koenig_lookup): Don't wrap an error in
118 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
121 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
123 2016-11-12 Jason Merrill <jason@redhat.com>
126 * typeck.c (convert_arguments): Handle default arg followed by none.
128 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
129 IMAGPART_EXPR can be lvalues.
133 * pt.c (check_specialization_namespace): Allow any enclosing
135 (check_unqualified_spec_or_inst): New.
136 (check_explicit_specialization): Call it.
137 * parser.c (cp_parser_elaborated_type_specifier)
138 (cp_parser_class_head): Call it.
140 2016-11-10 Jason Merrill <jason@redhat.com>
143 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
144 (instantiate_decl): It's OK to defer a constexpr function.
145 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
147 * decl2.c (decl_defined_p): Use it. No longer static.
148 * decl.c (redeclaration_error_message): Use decl_defined_p.
149 * constexpr.c (cxx_eval_call_expression): Set input_location around
150 call to instantiate_decl.
152 2016-11-10 Jakub Jelinek <jakub@redhat.com>
154 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
155 public or external symbols.
157 2016-11-09 Jakub Jelinek <jakub@redhat.com>
160 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
162 2016-11-09 Jason Merrill <jason@redhat.com>
164 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
165 for template template parameter.
166 (cp_parser_type_id_1): Improve diagnostic.
167 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
168 * pt.c (splice_late_return_type): Not here.
169 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
170 (do_class_deduction): Handle non-class templates.
172 Implement P0127R2, Declaring non-type parameters with auto.
173 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
174 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
176 * pt.c (do_auto_deduction): Add outer_targs parameter.
177 (convert_template_argument): Call do_auto_deduction. If adc_unify,
178 don't give up on dependent init.
179 (unify): Likewise. In C++17, walk into the type of a
181 (for_each_template_parm): Add any_fn parameter.
182 (struct pair_fn_data): Likewise.
183 (for_each_template_parm_r): Call it for any tree. In C++17, walk
184 into the type of a TEMPLATE_PARM_INDEX.
185 (zero_r, array_deduction_r, try_array_deduction): New.
186 (type_unification_real): Call try_array_deduction.
187 (get_partial_spec_bindings): Likewise.
189 2016-11-07 Jason Merrill <jason@redhat.com>
191 Implement P0012R1, Make exception specifications part of the type
193 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
194 (flag_noexcept_type, ce_type): New.
195 * call.c (build_conv): Add ck_fnptr.
196 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
197 (convert_like_real): Likewise.
198 (standard_conversion): Likewise. Allow function pointer
199 conversions for pointers to member functions.
200 (reference_compatible_p): Allow function pointer conversions.
201 (direct_reference_binding): Likewise.
202 (reference_binding): Reference-compatible is no longer a subset of
204 (is_subseq): Also strip ck_lvalue after next_conversion.
205 * class.c (instantiate_type): Check fnptr_conv_p.
206 (resolve_address_of_overloaded_function): Likewise.
207 * cvt.c (can_convert_tx_safety): Now static.
208 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
209 * decl.c (flag_noexcept_type): Define.
210 (cxx_init_decl_processing): Set it.
211 (bad_specifiers): Check it.
212 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
213 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
215 * mangle.c (struct globals): Add need_cxx1z_warning.
216 (mangle_decl): Check it.
217 (write_exception_spec): New.
218 (write_function_type): Call it.
219 (canonicalize_for_substitution): Handle exception spec.
220 (write_type): Likewise.
221 (write_encoding): Set processing_template_decl across mangling of
222 partially-instantiated type.
223 * pt.c (determine_specialization): Pass tf_fndecl_type.
224 (tsubst_decl, fn_type_unification): Likewise.
225 (tsubst): Strip tf_fndecl_type, pass it to
226 tsubst_exception_specification.
227 (convert_nontype_argument_function): Handle function pointer
229 (convert_nontype_argument): Likewise.
230 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
231 * rtti.c (ptr_initializer): Encode noexcept.
232 * tree.c (canonical_eh_spec): New.
233 (build_exception_variant): Use it.
234 * typeck.c (composite_pointer_type): Handle fnptr conversion.
235 (comp_except_specs): Compare canonical EH specs.
236 (structural_comptypes): Call it.
238 * call.c (standard_conversion): Reorganize pointer conversions.
239 * pt.c (convert_nontype_argument_function): Convert to ref here.
240 (convert_nontype_argument): Not here.
241 (convert_template_argument): Add original type to error message.
242 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
243 (unify): Compare function-qualifiers.
244 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
245 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
247 * pt.c (push_tinst_level_loc): Add template instantiations to the
248 announce_function stream.
250 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
253 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
254 to suppress unwanted warnings.
256 2016-11-03 Jason Merrill <jason@redhat.com>
259 * call.c (convert_default_arg): Look through inheriting ctors.
261 2016-11-03 Jakub Jelinek <jakub@redhat.com>
262 Alexandre Oliva <aoliva@redhat.com>
263 Jason Merrill <jason@redhat.com>
267 * tree.c (cp_check_qualified_type): Use check_base_type and
268 TYPE_QUALS comparison instead of check_qualified_type.
269 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
270 * cp-objcp-common.c (cp_get_debug_type): New function.
271 (cp_decl_dwarf_attribute): Don't handle types here.
272 (cp_type_dwarf_attribute): New function.
273 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
275 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
278 2016-11-03 Jason Merrill <jason@redhat.com>
280 * tree.c (cp_check_qualified_type): Call check_base_type instead
281 of check_qualified_type.
282 (cxx_type_hash_eq): Check ref-qualifiers.
283 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
285 2016-11-01 Jason Merrill <jason@redhat.com>
287 Implement P0136R1, Rewording inheriting constructors.
288 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
289 (inherited_ctor_rejection): New.
290 (add_function_candidate): Reject inherited ctors for copying.
291 (enforce_access): Use strip_inheriting_ctors.
292 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
293 (convert_like_real): Avoid copying inheriting ctor parameters.
294 (build_over_call): Likewise. A base ctor inheriting from vbase
295 has no parms. Sorry about varargs.
296 (joust): A local constructor beats inherited with the same convs.
297 * class.c (add_method): Handle hiding inheriting ctors.
298 (one_inherited_ctor): Handle new semantics.
299 (add_implicitly_declared_members): Pass using_decl down.
300 (build_clone): A base ctor inheriting from vbase has no parms.
301 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
302 (SET_DECL_INHERITED_CTOR): Likewise.
303 (DECL_INHERITED_CTOR_BASE): Adjust.
304 * constexpr.c: Adjust.
305 * error.c (dump_function_decl): Decorate inheriting ctors.
306 * init.c (emit_mem_initializers): Suppress access control in
308 * mangle.c (write_special_name_constructor): Handle new inheriting
310 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
311 (ctor_omit_inherited_parms, binfo_inherited_from): New.
312 (synthesized_method_walk): Use binfo_inherited_from. Suppress
313 access control in inheriting ctor.
314 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
315 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
316 (add_one_base_init, do_build_copy_constructor): Adjust.
317 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
318 (implicitly_declare_fn): Adjust.
319 (get_inherited_ctor): Remove.
320 * name-lookup.c (do_class_using_decl): Check for indirect ctor
322 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
323 (maybe_clone_body): Handle omitted parms in base clone.
324 (maybe_thunk_body): Don't thunk if base clone omits parms.
325 * pt.c (tsubst_decl): Adjust.
326 (instantiate_template_1): Suppress access control in inheriting
328 (fn_type_unification): Do deduction with inherited ctor.
329 * tree.c (special_function_p): Adjust.
331 2016-11-01 Jakub Jelinek <jakub@redhat.com>
333 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
335 2016-11-01 Jason Merrill <jason@redhat.com>
337 * class.c (declared_access): Split out from handle_using_decl.
339 2016-10-31 Jakub Jelinek <jakub@redhat.com>
342 * parser.c (cp_parser_postfix_expression): Replace return statement in
343 the first switch with setting postfix_expression to the return
344 expression and break;.
347 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
348 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
349 (tsubst_expr) <case LABEL_EXPR>: Likewise.
351 2016-09-11 Le-Chun Wu <lcwu@google.com>
352 Mark Wielaard <mjw@redhat.com>
354 * name-lookup.c (pushdecl_maybe_friend): When emitting a
355 shadowing warning, use the code corresponding to the
356 given -Wshadow= variant.
358 2016-10-26 Jason Merrill <jason@redhat.com>
360 * class.c (add_method): Allow using-declarations to coexist.
362 2016-10-25 Jason Merrill <jason@redhat.com>
364 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
365 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
366 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
367 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
369 2016-10-25 Jakub Jelinek <jakub@redhat.com>
371 * parser.c (cp_parser_postfix_expression): Adding missing break;.
373 * cp-tree.h (finish_builtin_launder): Declare.
374 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
375 * semantics.c (finish_builtin_launder): New function.
376 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
377 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
378 (potential_constant_expression_1): Likewise.
380 2016-10-24 Jakub Jelinek <jakub@redhat.com>
382 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
383 and DW_AT_rvalue_reference.
385 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
386 instead of TREE_CODE (x) == VAR_DECL.
387 * constraint.cc (get_concept_definition): Likewise.
388 (finish_shorthand_constraint): Likewise.
389 * init.c (warn_placement_new_too_small): Likewise.
390 * cp-gimplify.c (cp_genericize_r): Likewise.
392 2016-10-21 Jason Merrill <jason@redhat.com>
395 * pt.c (convert_template_argument): Call convert_nontype_argument
396 on value-dependent but not type-dependent arguments.
397 (convert_nontype_argument): Handle value-dependent arguments.
398 (canonicalize_expr_argument): New.
399 (deducible_expression, unify): Skip CONVERT_EXPR.
400 * error.c (dump_template_argument): Likewise.
401 * mangle.c (write_expression): Likewise.
403 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
405 2016-10-21 Jakub Jelinek <jakub@redhat.com>
407 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
410 2016-10-17 Jakub Jelinek <jakub@redhat.com>
412 * cp-objcp-common.h (cp_function_decl_explicit_p,
413 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
414 (cp_decl_dwarf_attribute): Declare.
415 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
416 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
417 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
418 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
419 * cp-objcp-common.c (cp_function_decl_explicit_p,
420 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
421 (cp_decl_dwarf_attribute): New function.
423 2016-10-15 Jason Merrill <jason@redhat.com>
426 * constexpr.c (maybe_simplify_trivial_copy): New.
427 (cxx_eval_store_expression): Call it.
428 * call.c (build_over_call): Use unsigned char for trivial copy.
430 2016-10-14 Jason Merrill <jason@redhat.com>
432 Implement P0017R1, C++17 aggregates with bases.
433 * class.c (build_base_field_1): Split out from...
434 (build_base_field): ...here. In C++17 mode, build a field for
436 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
437 (next_initializable_field): Allow base fields in C++17.
438 * typeck2.c (process_init_constructor_record): Likewise.
440 2016-10-14 Jakub Jelinek <jakub@redhat.com>
442 DR 1511 - const volatile variables and ODR
443 * decl.c (grokvardecl): Change flags argument to type_quals,
444 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
445 (grokdeclarator): Adjust grokvardecl caller.
447 2016-10-13 Martin Sebor <msebor@redhat.com>
450 * class.c (struct flexmems_t): Add members.
451 (find_flexarrays): Add arguments. Correct handling of anonymous
453 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
454 (check_flexarrays): Add argument.
455 (diagnose_invalid_flexarray): New functions.
457 2016-10-13 Jakub Jelinek <jakub@redhat.com>
458 Jason Merrill <jason@redhat.com>
460 Implement P0386R2 - C++17 inline variables
461 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
462 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
463 (DECL_VAR_DECLARED_INLINE_P): Define.
464 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
465 (DECL_INLINE_VAR_P): Define.
466 (diagnose_inline_vars_for_namespace): Declare.
467 * decl.c (diagnose_inline_vars_for_namespace): New function.
468 (duplicate_decls): For static data members copy
469 DECL_DECLARED_CONSTEXPR_P.
470 (redeclaration_error_message): Handle C++17 redundant redeclaration
471 of constexpr static data member outside of class.
472 (maybe_commonize_var): Handle inline variables.
473 (check_initializer): Ignore inline variables for diagnostics.
474 Adjust diagnostic wording for C++17.
475 (make_rtl_for_nonlocal_decl): Allow in-class definition of
476 inline static data members.
477 (bad_specifiers): Don't diagnose inline on variables here.
478 (grokvardecl): Add inlinep argument, non-static const inline variables
480 (check_static_variable_definition): Return early also for inline
482 (mark_inline_variable): New.
483 (grokdeclarator): Handle inline variables and inline static data
485 * typeck2.c (store_init_value): Don't diagnose non-constant
486 initializers for non-constexpr inline static data members.
487 * decl2.c (vague_linkage_p): Return true for inline variables.
488 (c_parse_final_cleanups): In-class declaration of inline static
489 data members is a definition. Call diagnose_inline_vars_for_namespace
490 through walk_namespaces.
491 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
492 of inline static data members.
494 2016-10-13 Jason Merrill <jason@redhat.com>
496 * decl.c (mark_inline_variable): New.
499 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
501 * decl2.c: Include memmodel.h.
504 2016-10-11 Jason Merrill <jason@redhat.com>
507 * init.c (build_new_1): Don't -Waligned-new about placement new.
508 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
509 * decl.c (cxx_init_decl_processing): New.
511 2016-10-10 Jason Merrill <jason@redhat.com>
515 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
516 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
518 2016-10-08 Jason Merrill <jason@redhat.com>
520 * cp-gimplify.c (cp_fold): Add variable name.
522 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
525 2016-10-07 Jason Merrill <jason@redhat.com>
527 Further P0135 refinement.
528 * call.c (build_user_type_conversion_1): Consider conversions from
529 a single element in an initializer-list.
530 (build_temp): Undo early_elide_copy change.
531 (build_over_call): Check that we don't try to copy a TARGET_EXPR
532 in C++17 mode. Set user_conv_p here.
533 (convert_like_real): Not here.
534 (check_self_delegation): Split out from...
535 (build_special_member_call): ...here. Handle C++17 copy elision.
536 * cvt.c (early_elide_copy): Remove.
537 (ocp_convert): Undo early_elide_copy change.
538 * except.c (build_throw): Likewise.
539 * init.c (expand_default_init): Likewise.
540 * typeck.c (cp_build_modify_expr): Likewise.
542 2016-10-07 Nathan Sidwell <nathan@acm.org>
546 * init.c (emit_mem_initializers): Don't construct vbases of
548 (push_base_cleanups): Don't push vbase cleanups for abstract class
550 * method.c (synthethesized_method_walk): Don't walk vbases of
551 abstract classes when in C++14 mode.
553 2016-10-07 Jakub Jelinek <jakub@redhat.com>
555 Implement LWG2296 helper intrinsic
556 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
557 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
558 * constexpr.c (potential_constant_expression_1): Likewise.
559 * error.c (dump_expr): Likewise.
560 * typeck.c (cp_build_addressof): New function.
561 * cp-tree.h (cp_build_addressof): Declare.
562 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
563 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
564 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
565 ADDRESSOF_EXPR. Add __builtin_addressof and
566 __has_unique_object_representations into syntax in function comment.
567 (pp_cxx_addressof_expression): New function.
568 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
570 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
573 * parser.c (cp_parser_base_specifier): Fix a warning.
575 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
578 * decl.c (grokdeclarator): Try to find the correct location for an
581 2016-10-07 Martin Liska <mliska@suse.cz>
583 * lambda.c (maybe_add_lambda_conv_op): Set default value.
585 2016-10-06 Jason Merrill <jason@redhat.com>
587 * call.c (build_temp, convert_like_real): Don't re-copy
588 TARGET_EXPR. Handle packed fields.
589 (build_x_va_arg): Wrap it in a TARGET_EXPR.
590 (build_over_call): Add sanity check.
591 * cvt.c (early_elide_copy): New.
592 (ocp_convert): Use it.
593 * except.c (build_throw): Use it.
594 * init.c (get_nsdmi): Put back the TARGET_EXPR.
595 (expand_default_init): Call early_elide_copy.
596 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
598 2016-10-06 Jakub Jelinek <jakub@redhat.com>
600 Implement P0258R2 - helper for C++17
601 std::has_unique_object_representations trait
602 * cp-tree.h (enum cp_trait_kind): Add
603 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
604 (struct lang_type_class): Add unique_obj_representations
605 and unique_obj_representations_set bitfields.
606 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
607 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
608 (type_has_unique_obj_representations): Declare.
609 * parser.c (cp_parser_primary_expression): Handle
610 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
611 (cp_parser_trait_expr): Likewise. Formatting fix.
612 * semantics.c (trait_expr_value, finish_trait_expr): Handle
613 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
614 * tree.c (type_has_unique_obj_representations): New function.
615 (record_has_unique_obj_representations): New function.
616 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
617 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
619 2016-10-05 Jason Merrill <jason@redhat.com>
621 Implement P0135R1, Guaranteed copy elision.
622 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
625 * call.c (reference_binding): Fix binding to member of temporary.
627 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
629 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
631 * semantics.c (finish_compound_literal): Handle class placeholder.
633 2016-10-05 Marek Polacek <polacek@redhat.com>
635 Implement P0305R1, Selection statements with initializer.
636 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
637 instead of finish_for_init_stmt.
638 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
639 * decl.c (poplevel): Adjust a comment.
640 * init.c (build_vec_init): Call finish_init_stmt instead of
641 finish_for_init_stmt.
642 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
643 * name-lookup.h (enum scope_kind): Likewise.
644 * parser.c (cp_parser_statement): Update commentary.
645 (cp_parser_init_statement_p): New function.
646 (cp_parser_selection_statement): Parse the optional init-statement.
647 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
648 (cp_parser_c_for): Likewise.
649 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
650 (cp_parser_range_for_member_function): Update commentary.
651 (cp_parser_iteration_statement):
652 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
653 * pt.c (tsubst_omp_for_iterator): Update commentary.
654 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
655 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
658 2016-10-04 Jason Merrill <jason@redhat.com>
661 * pt.c (do_class_deduction): Handle list-initialization.
662 (do_auto_deduction): Call it sooner.
663 (build_deduction_guide): Use tsubst_arg_types.
664 (rewrite_template_parm): Don't copy_type.
667 * constexpr.c (cxx_eval_component_reference): Use name matching
670 Implement P0091R2, Template argument deduction for class templates.
671 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
672 Use the location of the beginning of the type-specifier.
673 (cp_parser_init_declarator): Parse deduction guide.
674 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
675 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
676 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
677 * decl.c (grokdeclarator): Check for uninitialized auto here.
678 (start_decl_1): Not here.
679 (cp_finish_decl): Or here. Don't collapse a list when doing
681 (grokfndecl): Check deduction guide scope and body.
682 * error.c (dump_decl, dump_function_decl, dump_function_name):
683 Handle deduction guides.
684 * pt.c (make_template_placeholder, do_class_deduction): New.
685 (build_deduction_guide, rewrite_template_parm): New.
686 (dguide_name, dguide_name_p, deduction_guide_p): New.
687 (do_auto_deduction): Call do_class_deduction.
688 (splice_late_return_type, is_auto): Handle class placeholders.
689 (template_parms_level_to_args): Split from template_parms_to_args.
690 (tsubst_template_parms_level): Split from tsubst_template_parms.
691 * typeck2.c (build_functional_cast): Handle class placeholder.
693 2016-10-04 Martin Sebor <msebor@redhat.com>
696 * init.c (warn_placement_new_too_small): Avoid assuming an array type
699 2016-10-04 Jakub Jelinek <jakub@redhat.com>
702 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
703 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
706 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
707 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
708 (java_byte_type_node, java_short_type_node, java_int_type_node,
709 java_long_type_node, java_float_type_node, java_double_type_node,
710 java_char_type_node, java_boolean_type_node, lang_name_java,
711 jclass_node): Remove.
712 (enum languages): Remove lang_java.
713 (TYPE_FOR_JAVA): Remove.
714 (struct lang_type_class): Remove java_interface bit-field.
715 (TYPE_JAVA_INTERFACE): Remove.
716 (pragma_java_exceptions): Remove.
717 (check_java_method, build_java_class_ref): Remove prototypes.
718 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
719 * decl2.c (acceptable_java_type, check_java_method): Remove.
720 (import_export_decl): Remove TYPE_FOR_JAVA handling.
721 (build_java_method_aliases): Remove.
722 (c_parse_final_cleanups): Don't call build_java_method_aliases.
723 (possibly_inlined_p): Don't test pragma_java_exceptions.
724 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
725 (build_java_class_ref): Remove.
726 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
727 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
728 * except.c (eh_type_info): Remove java type handling.
729 (decl_is_java_type, choose_personality_routine): Remove.
730 (initialize_handler_parm): Don't call choose_personality_routine.
731 (expand_start_catch_block): Don't handle java types.
732 (build_throw): Likewise.
733 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
734 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
735 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
736 (java_iface_lookup_fn): Remove.
737 (build_java_interface_fn_ref): Remove.
738 * tree.c (cxx_attribute_table): Remove java_interface.
739 (handle_java_interface_attribute): Remove.
740 * lex.c (pragma_java_exceptions): Remove.
741 (init_cp_pragma): Don't register GCC java_exceptions pragma.
742 (handle_pragma_java_exceptions): Remove.
743 (retrofit_lang_decl): Don't handle lang_name_java.
744 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
745 * error.c (language_to_string): Don't handle lang_java.
746 * decl.c (record_builtin_java_type): Remove.
747 (initialize_predefined_identifiers): Remove Java.
748 (cxx_init_decl_processing): Remove java_*_type_node.
749 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
750 (grokfndecl): Likewise.
751 (check_special_function_return_type): Likewise.
752 (grokdeclarator): Don't set TYPE_FOR_JAVA.
753 (grokparms): Don't handle TYPE_FOR_JAVA.
754 (xref_basetypes): Likewise.
755 (check_function_type): Likewise.
756 (finish_constructor_body): Likewise.
757 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
758 and java_*_type_node.
759 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
760 (write_java_integer_type_codes): Remove.
761 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
762 (add_implicitly_declared_members, determine_key_method,
763 finish_struct_1): Likewise.
764 (push_lang_context): Don't handle lang_name_java.
766 2016-10-03 Marek Polacek <polacek@redhat.com>
769 * typeck.c (cp_build_binary_op): Pass original operands to
770 null_ptr_cst_p, not those after the default conversions.
772 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
774 * parser.c (cp_parser_condition): Fix a warning.
776 2016-09-29 Jakub Jelinek <jakub@redhat.com>
778 Implement P0001R1 - C++17 removal of register storage class specifier
779 * decl.c (cp_finish_decl): Diagnose register storage class
780 on vars except when used in GNU global or local register variable
782 (grokdeclarator): Diagnose register storage class on parameters.
783 * except.c (expand_start_catch_block): Set DECL_REGISTER only
784 after cp_finish_decl call.
786 2016-09-29 Marek Polacek <polacek@redhat.com>
788 * rtti.c (involves_incomplete_p): Add fall through comment.
790 2016-09-28 Jakub Jelinek <jakub@redhat.com>
793 * constexpr.c (enum constexpr_switch_state): New.
794 (struct constexpr_ctx): Add css_state field.
795 (label_matches): Add CTX and STMT arguments, remove I and
796 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
797 handle default labels according to css_state.
798 (cxx_eval_statement_list): Remove statement skipping, label_matches
799 and default_label handling code.
800 (cxx_eval_loop_expr): Exit after first iteration even if
801 switches (jump_target).
802 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
803 label has been seen in the body, but no cases matched, evaluate
804 the body second time.
805 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
806 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
807 statement is not skipped. For COND_EXPR during skipping, don't
808 evaluate condition, just the then block and if still skipping at the
809 end also the else block.
810 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
811 (is_sub_constant_expr): Likewise.
813 2016-09-27 Jakub Jelinek <jakub@redhat.com>
815 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
816 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
817 true instead of false as by_reference_p to add_capture for 'this'.
818 Parse '*this' simple-capture.
819 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
820 (add_capture): Adjust function comment. For id == this_identifier,
821 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
822 by value, and !by_reference_p as capturing '*this' by value.
823 (add_default_capture): For implicit 'this' capture, always pass
824 by_reference_p true rather than false.
827 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
828 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
829 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
831 2016-09-26 Nathan Sidwell <nathan@acm.org>
833 * init.c (expand_default_init): Fix } indentation.
834 * method.c (process_subob_fn): Simplify control structure to
836 (implicitly_declare_fn): Remove duplicated lambda ctor check.
838 2016-09-26 Marek Polacek <polacek@redhat.com>
841 * parser.c (cp_parser_storage_class_specifier_opt): Add
843 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
844 (cp_parser_cache_defarg): Likewise.
845 (cp_parser_omp_for_cond): Likewise.
846 * semantics.c (finish_decltype_type): Likewise.
847 * typeck.c (structural_comptypes): Likewise.
848 (cp_build_binary_op): Likewise.
849 (cp_build_modify_expr): Likewise.
851 2016-09-26 Marek Polacek <polacek@redhat.com>
854 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
855 (potential_constant_expression_1): Likewise.
856 * constraint.cc (function_concept_check_p): Check fn for null.
857 * parser.c (cp_parser_expression_statement): Handle attribute
859 (cp_parser_statement): Likewise.
860 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
862 (cp_parser_std_attribute): Handle fallthrough attribute.
863 (cp_parser_check_std_attribute): Add %< %> quotes.
864 * pt.c (tsubst_copy_and_build): Handle internal functions.
865 (instantiation_dependent_scope_ref_p): Return if the expression is
868 2016-09-24 Marek Polacek <polacek@redhat.com>
871 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
874 2016-09-23 Jakub Jelinek <jakub@redhat.com>
876 Implement P0138R2, C++17 construction rules for enum class values
877 * cp-tree.h (is_direct_enum_init): Declare.
878 * decl.c (is_direct_enum_init): New function.
879 (reshape_init): Use it.
880 * typeck.c (convert_for_assignment): Likewise.
882 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
885 * constexpr.c (call_stack): Remove unnecessary
886 = vNULL initialization of file scope vec.
888 * name-lookup.c (store_bindings, store_class_bindings): Don't
889 initialize static local bindings_need_stored to vNULL.
891 * typeck2.c (process_init_constructor_record): Use
892 CONSTRUCTOR_NELTS (...) instead of
893 vec_safe_length (CONSTRUCTOR_ELTS (...)).
894 * decl.c (reshape_init_r): Likewise.
895 (check_initializer): Likewise.
897 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
900 * class.c (build_base_path): Allow for lookup_base returning
903 2016-09-21 Jason Merrill <jason@redhat.com>
906 * call.c (null_ptr_cst_p): Check char_type_p.
908 2016-09-21 Jakub Jelinek <jakub@redhat.com>
911 * init.c (build_new_1): Don't suggest to use -faligned-new if
912 aligned_new_threshold is non-zero.
913 (type_has_new_extended_alignment): Change aligned_new_threshhold
914 to aligned_new_threshold.
915 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
916 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
917 * decl.c (cxx_init_decl_processing): Likewise.
919 2016-09-20 Jakub Jelinek <jakub@redhat.com>
922 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
923 FIELD_DECLs with error_mark_node type. Remove useless break; after
927 * parser.c (cp_parser_template_declaration_after_parameter): For 2
928 argument operator"" template set ok to false for
929 parm == error_mark_node.
932 * parser.c (cp_parser_std_attribute_list): Reject ... without
935 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
938 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
940 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
943 * parser.c (cp_parser_class_head): When
944 processing_template_parmlist, don't assume that the
945 class-head may start an explicit specialization.
947 2016-09-16 Jakub Jelinek <jakub@redhat.com>
950 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
951 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
954 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
955 call is_really_empty_class on complete types.
958 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
959 TYPE_HAS_MUTABLE_P for any bases.
961 2016-09-16 Jason Merrill <jason@redhat.com>
963 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
965 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
966 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
968 2016-09-14 Jakub Jelinek <jakub@redhat.com>
971 * name-lookup.c (consider_binding_level): Look through TREE_LIST
974 2016-09-14 Marek Polacek <polacek@redhat.com>
976 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
977 expressions. Tweak an error message.
979 2016-09-14 Marek Polacek <polacek@redhat.com>
981 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
983 * decl2.c (one_static_initialization_or_destruction): Use true instead
985 * init.c (build_vec_init): Use false instead of 0.
986 * pt.c (tsubst_copy_and_build): Likewise.
987 * semantics.c (simplify_loop_decl_cond): Likewise.
988 * typeck.c (rationalize_conditional_expr): Likewise.
989 (cp_build_binary_op): Use true instead of 1.
990 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
992 (build_unary_op): Change nonconvert parameter type to bool.
993 (unary_complex_lvalue): Use false instead of 0.
995 2016-09-13 Jakub Jelinek <jakub@redhat.com>
997 Implement P0028R4, C++17 using attribute namespaces without repetition
998 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
999 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1000 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1001 identifier after ::.
1002 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1003 to cp_parser_std_attribute calls.
1004 (cp_parser_std_attribute_spec): Parse optional C++17
1005 attribute-using-prefix, adjust grammar in function comment.
1008 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1009 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1010 (cxx_eval_pointer_plus_expression): Remove.
1011 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1012 call cxx_eval_pointer_plus_expression.
1014 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1016 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1017 add_fixit_insert to add_fixit_insert_before.
1018 (cp_parser_class_head): Likewise.
1020 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1023 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1024 * class.c (instantiate_type): Look through the SAVE_EXPR.
1026 2016-09-09 Jason Merrill <jason@redhat.com>
1028 Implement P0035R4, C++17 new of over-aligned types.
1029 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1030 (align_type_node): New macro.
1031 * call.c (build_operator_new_call): Handle C++17 aligned new.
1032 (second_parm_is_size_t, build_op_delete_call): Likewise.
1033 (non_placement_deallocation_fn_p): Likewise. Rename to
1034 usual_deallocation_fn_p.
1035 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1036 * decl.c (cxx_init_decl_processing): Add aligned new support.
1037 * init.c (type_has_new_extended_alignment): New.
1038 (build_new_1): Handle aligned new.
1039 * tree.c (vec_copy_and_insert): New.
1041 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1044 * decl2.c (do_static_initialization_or_destruction): Only
1045 call asan_dynamic_init_call if INITP is true.
1047 2016-09-01 Martin Sebor <msebor@redhat.com>
1049 * mangle.c: Increase buffer size to guarantee it fits the output
1050 of the formatted function regardless of its arguments.
1052 2016-09-01 Marek Polacek <polacek@redhat.com>
1055 * error.c (dump_type): Fix falls through comment.
1056 (dump_decl): Likewise.
1057 (dump_expr): Likewise.
1059 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1061 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1062 hint to ">>" within nested template argument list error.
1064 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1066 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1067 rather than add_fixit_misspelled_id.
1068 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1070 2016-08-29 Jason Merrill <jason@redhat.com>
1073 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1074 (mangle_thunk): Add thunk parameter.
1075 * method.c (finish_thunk): Pass it.
1076 * cp-tree.h: Declare it.
1078 2016-08-15 Jason Merrill <jason@redhat.com>
1080 Avoid calling a trivial default constructor.
1081 * class.c (default_ctor_p): New.
1082 (in_class_defaulted_default_constructor): Use it.
1083 (type_has_non_user_provided_default_constructor): Use it.
1084 * call.c (build_over_call): Handle trivial default constructor.
1085 * cp-tree.h: Declare default_ctor_p.
1088 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1091 2016-08-25 Marek Polacek <polacek@redhat.com>
1093 * parser.c (cp_parser_binary_expression): Pass LHS to
1094 warn_logical_not_parentheses.
1096 2016-08-18 Marek Polacek <polacek@redhat.com>
1099 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1100 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1101 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1102 (cp_parser_cache_defarg): Likewise.
1104 2016-08-12 Marek Polacek <polacek@redhat.com>
1107 * call.c (add_builtin_candidate): Add FALLTHRU.
1108 (build_integral_nontype_arg_conv): Adjust fall through comment.
1109 (build_new_op_1): Add FALLTHRU.
1110 (convert_like_real): Adjust fall through comment.
1111 * class.c (fixed_type_or_null): Likewise.
1112 * constexpr.c (cxx_eval_constant_expression): Likewise.
1113 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1114 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1115 (cp_fold): Add FALLTHRU.
1116 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1117 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1118 (pp_cxx_qualified_id): Likewise.
1119 (cxx_pretty_printer::constant): Adjust fall through comment.
1120 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1121 (pp_cxx_pm_expression): Adjust fall through comment.
1122 (cxx_pretty_printer::expression): Add FALLTHRU.
1123 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1124 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1125 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1126 * error.c (dump_type): Adjust fall through comment.
1127 (dump_decl): Likewise.
1128 * mangle.c (write_type): Likewise.
1129 * method.c (synthesized_method_walk): Add FALLTHRU.
1130 * name-lookup.c (arg_assoc_type): Likewise.
1131 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1132 (cp_parser_primary_expression): Add FALLTHRU.
1133 (cp_parser_operator): Likewise.
1134 * pt.c (find_parameter_packs_r): Likewise.
1135 (tsubst_aggr_type): Adjust fall through comment.
1136 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1137 * tree.c (lvalue_kind): Likewise.
1139 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1142 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1143 (cp_function_decl_explicit_p): Const_tree-ify.
1144 (cp_function_decl_deleted_p): Likewise.
1145 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1146 (cp_function_decl_explicit_p): Const_tree-ify.
1147 (cp_function_decl_deleted_p): Likewise.
1148 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1150 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1153 * constexpr.c (label_matches): Handle case range expressions.
1155 2016-08-11 Jason Merrill <jason@redhat.com>
1158 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1160 2016-08-10 Jason Merrill <jason@redhat.com>
1162 Implement C++17 constexpr if.
1163 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1164 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1165 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1166 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1167 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1168 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1169 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1170 (finish_if_stmt_cond): Require the condition of a
1171 constexpr if to be constant.
1172 * decl.c (level_for_constexpr_if): New.
1173 (named_label_entry): Add in_constexpr_if field.
1174 (poplevel_named_label_1): Set it.
1175 (check_goto): Check it.
1176 (check_previous_goto_1): Check level_for_constexpr_if.
1178 2016-08-09 Jason Merrill <jason@redhat.com>
1181 * decl2.c (any_dependent_type_attributes_p): New.
1182 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1183 * semantics.c (finish_id_expression): Check it.
1184 * typeck.c (finish_class_member_access_expr): Check it.
1187 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1189 Adjust mangling of ABI tags on class template member functions.
1190 * class.c (missing_abi_tags): New.
1191 (check_abi_tags): Don't check template. Add just_checking mode.
1192 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1193 (sorted_abi_tags): Split out from write_abi_tags.
1194 (struct releasing_vec): New.
1195 (write_unqualified_name): Only look for the primary
1196 template for types. Implement backward compatibility.
1199 * constexpr.c (cxx_eval_constant_expression): Check
1200 COMPLETE_TYPE_P before calling is_really_empty_class.
1201 * class.c (is_really_empty_class): Don't call complete_type.
1204 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1206 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1209 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1210 builtin aggregate types without TYPE_BINFO.
1212 2016-08-08 Jason Merrill <jason@redhat.com>
1214 Implement C++17 constexpr lambda.
1215 * class.c (finalize_literal_type_property): Handle lambdas.
1216 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1217 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1219 (cxx_eval_constant_expression): Handle capture proxy.
1220 (var_in_constexpr_fn): Don't check for C++14.
1221 (var_in_maybe_constexpr_fn): New.
1222 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1223 declarations not allowed in constexpr function. Handle
1224 STATIC_ASSERT, RANGE_FOR_STMT.
1225 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1226 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1227 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1228 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1229 (lambda_static_thunk_p): New.
1230 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1231 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1232 (cp_parser_decl_specifier_seq): Handle it.
1233 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1234 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1235 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1236 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1237 (dump_expr) [FUNCTION_DECL]: Pass it.
1239 2016-08-08 Jason Merrill <jason@redhat.com>
1242 * class.c (is_really_empty_class): Call complete_type.
1243 * constexpr.c (cxx_eval_constant_expression): Check
1244 is_really_empty_class.
1245 (potential_constant_expression_1): Likewise. Check for error type.
1247 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1250 * parser.c: Include tree-iterator.h.
1251 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1253 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1256 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1258 * call.c (convert_like_real): Harmonize diagnostics for invalid
1261 2016-08-05 Martin Sebor <msebor@redhat.com>
1263 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1264 the spelling of "constant-expression" in diagnostic messages
1266 (cxx_eval_constant_expression): Same.
1267 (cxx_eval_outermost_constant_expr): Same.
1268 (potential_constant_expression_1): Same.
1270 2016-08-05 Nathan Sidwell <nathan@acm.org>
1273 * pt.c (unify): TRAIT_EXPR is an expr.
1275 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1278 * lambda.c (add_capture): Check lambda_capture_field_type return
1279 value for error_mark_node.
1281 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1284 * pt.c (tsubst_qualified_id): Return error_mark_node if
1285 template_args is error_mark_node.
1287 2016-08-04 Jason Merrill <jason@redhat.com>
1290 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1293 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1294 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1295 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1296 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1299 * typeck.c (finish_class_member_access_expr): Avoid stripping
1300 SCOPE_REF to dependent base.
1302 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1304 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1305 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1306 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1307 Simplify code, and improve diagnostics.
1308 (cp_parser_oacc_routine): Likewise. Move pragma context
1310 (cp_parser_pragma): ... here.
1312 * parser.h (struct cp_omp_declare_simd_data): New.
1313 (struct cp_parser): Use it for oacc_routine member.
1314 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1315 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1316 Use it. Simplify code.
1317 (cp_parser_new): Initialize all members pointing to special
1318 parsing data structures.
1319 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1320 parser->cilk_simd_fn_info->clauses.
1321 (cp_parser_omp_declare_simd): Initialize
1322 parser->omp_declare_simd->clauses.
1323 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1325 2016-08-04 Marek Polacek <polacek@redhat.com>
1328 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1331 2016-08-01 Jason Merrill <jason@redhat.com>
1333 * mangle.c (mangle_decl): Warn about mangled name change even if
1336 * mangle.c (get_abi_tags): New.
1337 (find_substitution, write_unqualified_name, write_abi_tags)
1338 (maybe_check_abi_tags): Use it.
1340 * mangle.c (mangle_decl): Fix mangled name change warning.
1343 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1345 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1348 2016-07-30 Martin Sebor <msebor@redhat.com>
1352 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1353 involving null pointers.
1354 (cxx_eval_component_reference): Reject null pointer dereferences.
1355 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1356 (cxx_eval_constant_expression): Reject invalid expressions involving
1359 2016-07-29 Marek Polacek <polacek@redhat.com>
1362 * semantics.c (maybe_convert_cond): Use the location of COND for the
1363 parentheses warning.
1365 2016-07-29 Jason Merrill <jason@redhat.com>
1367 * decl.c (build_enumerator): Tweak diagnostic.
1370 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1371 * constexpr.c (build_data_member_initialization): Handle multiple
1372 initializers for the same field.
1374 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1377 * decl.c (build_enumerator): Check the type of the enumerator before
1378 calling cxx_constant_value.
1380 2016-07-27 Jason Merrill <jason@redhat.com>
1383 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1384 parameters with spec_tmpl. Call push_tinst_level.
1385 (most_specialized_partial_spec): Adjust.
1386 (more_specialized_partial_spec): Adjust.
1388 2016-07-25 Jason Merrill <jason@redhat.com>
1391 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1394 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1395 (build_lambda_object): Call build_x_compound_expr_from_list.
1396 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1400 * pt.c (coerce_template_parameter_pack): Fix logic for
1404 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1405 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1409 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1410 value of an element we're currently modifying.
1412 2016-07-24 Jason Merrill <jason@redhat.com>
1415 * pt.c (resolve_typename_type): Try to avoid calling
1416 currently_open_class.
1418 2016-07-23 Jason Merrill <jason@redhat.com>
1421 * call.c (add_list_candidates): Handle VTT parm.
1422 (build_new_method_call_1): Likewise.
1426 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1429 * class.c (walk_subobject_offsets): Handle 0-length array.
1432 * pt.c (tsubst): Also substitute into the template of a
1433 BOUND_TEMPLATE_TEMPLATE_PARM.
1436 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1439 * decl.c (reshape_init_r): Check complain for missing braces warning.
1441 2016-07-22 Jason Merrill <jason@redhat.com>
1444 * call.c (convert_like_real): Use lvalue_kind.
1448 * pt.c (tsubst_baselink): Call
1449 adjust_result_of_qualified_name_lookup for unqualified
1452 2016-07-21 Jason Merrill <jason@redhat.com>
1455 * semantics.c (apply_deduced_return_type): Call
1456 complete_type_or_else before building the new RESULT_DECL.
1459 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1460 (decl_constant_var_p): Use it instead.
1463 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1467 * call.c (unsafe_copy_elision_p): It's OK to elide when
1468 initializing an unknown object.
1470 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1471 trivial constructors.
1472 * method.c (do_build_copy_constructor): Don't copy tail padding
1473 even in a trivial constructor.
1475 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1478 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1479 Replace assert with test, return false if the goto isn't break
1480 or continue. Formatting fix.
1482 2016-07-21 Richard Biener <rguenther@suse.de>
1484 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1487 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1490 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1491 save/restore bc_label array.
1493 2016-07-21 Jason Merrill <jason@redhat.com>
1496 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1497 error parsing the lambda-declarator.
1500 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1501 between lowered and unlowered PTRMEM_CST.
1504 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1505 Don't set c_inhibit_evaluation_warnings.
1508 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1510 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1511 Jason Merrill <jason@redhat.com>
1513 Improving concepts performance and diagnostics.
1517 * cp-tree.def (CHECK_CONSTR): New.
1518 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1519 (CHECK_CONSTR_ARGS): New.
1520 * constraint.cc (make_predicate_constraint): Remove in favor of
1521 normalize_expression.
1522 (resolve_constraint_check): Actually return error_mark_node when
1524 (resolve_variable_concept_check): Perform coercion as if processing
1525 a template. Also return errors on resolution failure.
1526 (lift_*): Remove all of these functions. Don't unnecessarily inline
1528 (learn_*): Add facilities to memoize implications for subsumption
1529 during normalization.
1530 (expanding_concept): New.
1531 (expand_concept): New. Return the inlined and normalized definition
1532 of a concept when needed.
1533 (transform_*, xform_*): Rename to normalize_* to better reflect the
1534 responsibility of those functions.
1535 (normalize_template_id_expression): Check for non-boolean operands
1536 when possible. Generate check constraints instead of normal variable
1538 (normalize_call_expression): Report errors when resolution fails.
1539 (check_for_logical_overloads): Rewrite this check to more accurately
1541 (normalize_atom): Check for overloaded calls and invalid types before
1542 determining if the expression refers to a concept.
1543 (build_constraints): Don't cache normalized constraints or decomposed
1545 (finish_shorthand_constraint): Return a normalized expression instead
1546 of a predicate constraint.
1547 (finish_template_introduction): Same.
1548 (placeholder_extract_concept_and_args): Rewrite this since we only
1549 ever get check constraints here.
1550 (equivalent_placeholder_constraints): Rewrite in terms of check
1551 constraints, and handle error_mark_nodes correctly.
1552 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1553 (tsubst_implicit_conversion_constr)
1554 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1555 (tsubst_parameterized_constraint, tsubst_constraint): New.
1556 (tsbust_conjunection): Replace with tsubst_logical_operator and
1557 actually generate the right kind of constraint.
1558 (tsubst_requirement_body): Reverse the order of substituted arguments
1559 so that they appear in the order written (helps diagnostics).
1560 (satisfy_check_constraint): New.
1561 (satisfy_conjunction): Simplify.
1562 (satisfy_disjunction): Same.
1563 (satisfy_constraint_1): Handle check constraints.
1564 (eval_constr): New (private) global state.
1565 (evaluating_constraints_sentinel): New. Manages eval_constr.
1566 (satisfy_constraint): Add timing variables.
1567 (satisfy_associated_constraints): Add hooks for memoization.
1568 (evaluate_function_concept): Build a check constraint instead of
1569 normalizing its definition.
1570 (evaluate_variable_concept): Same.
1571 (evaluate_constraint_expression): Normalize, but in the current
1572 declaration processing context.
1573 (evaluating_constraints_p): New.
1574 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1575 (diagnose_*): Remove artificial indentation. Add a new parameter to
1576 each that tracks the current (complete) constraint prior to any
1578 (diagnose_expression): Removed.
1579 (diagnose_call_expression): Same.
1580 (diagnose_template_id): Same.
1581 (diagnose_template_id): New.
1582 (diagnose_logical_constraint): New.
1583 (diagnose_expression_constraint): Show the original expression.
1584 (diagnose_type_constraint): Show the original type.
1585 (diagnose_implicit_conversion_constraint): Be specific about
1586 failures, don't re-diagnose a known-to-be-failed substitutions,
1587 and manage elisions properly.
1588 (diagnose_argument_deduction_constraint): Same.
1589 (diagnose_exception_constraint): Same.
1590 (diagnose_parameterized_constraint): Same.
1591 (constraint_p): Allow EXPR_PACK_EXPANSION.
1592 * logic.cc (next_by_distance): Removed. No longer used.
1593 (any_p): Renamed from any_of.
1594 (term_entry, term_hasher): New.
1595 (term_list): Rewrite to include a hash table for quick lookup.
1596 Also, make less stateful.
1597 (proof_state): Extend to allow goals to be discharged once
1599 (non_atomic_constraint_p): New.
1600 (any_non_atomic_constraints_p): New.
1601 (...rest...): Previous implementation completely replaced with an
1602 iterative algorithm that opportunistically prunes the search space
1603 before committing to using more memory.
1604 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1605 (cp_parser_explicit_template_declaration): Same.
1606 * pt.c: (finish_template_variable): Be less redundant with this error
1608 (template_args_equal): No longer static.
1609 (tsubst_decl): Don't try to find specializations of variables that
1610 have already been instantiated.
1611 (build_non_dependent_expr): Avoid infinite recursion during concept
1613 (make_constrained_auto): Normalize constraints.
1614 (do_auto_deduction): When doing auto deduction from a
1615 partial-concept-id, be sure to include the explicit args checking
1617 (constraint_sat_*): New. Memoize satisfied constraints.
1618 (concept_spec_*): New. Memoize expressions associated with a concept
1620 (constraint_memos, concept_memos): New.
1621 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1622 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1623 (get_concept_expansion, save_concept_expansion): New.
1624 (hash_subsumption_args): New.
1625 (comp_subsumption_args): New.
1626 (subsumption_*): New. Memoize parts of the subsumption relation.
1627 (lookup_subsumption_result, save_subsumption_result): New.
1628 (init_constraint_processing): Initialize memo tables.
1629 (get_constraints): Shortcut if !flag_concepts.
1630 * decl.c (grokfndecl): Normalize constraints.
1631 * error.c (dump_simple_decl): Print "concept" when appropriate.
1632 (dump_function_decl): Same.
1633 (dump_template_decl): Don't write requirements when we're not
1634 printing the header.
1635 (dump_expr): Handle fold expressions.
1636 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1638 (get_fold_operator): New.
1639 (pp_cxx_unary_left_fold_expression): New.
1640 (pp_cxx_unary_right_fold_expression): New.
1641 (pp_cxx_binary_fold_expression): New.
1642 (pp_cxx_check_constraint): New.
1643 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1644 to make them easier to read when debugging.
1645 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1646 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1648 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1652 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1654 (suggest_alternatives_for): If no candidates are found, try
1655 lookup_name_fuzzy and report if if finds a suggestion.
1656 (consider_binding_level): New function.
1657 (lookup_name_fuzzy) New function.
1658 * parser.c: Include gcc-rich-location.h.
1659 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1661 (cp_keyword_starts_decl_specifier_p): ...this new function.
1662 (cp_parser_diagnose_invalid_type_name): When issuing
1663 "does not name a type" errors, attempt to make a suggestion using
1665 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1666 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1667 types that are not CLASS_TYPE_P, rather than rejecting individual
1670 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1673 * parser.c (cp_parser_save_member_function_body): Consume
1674 __transaction_relaxed or __transaction_atomic with optional
1675 attribute. Only skip catch with block if try keyword is seen.
1678 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1679 when evaluating call arguments. Use fold_builtin_call_array instead
1680 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1681 check the result with potential_constant_expression and call
1682 cxx_eval_constant_expression on it.
1684 2016-07-19 Jason Merrill <jason@redhat.com>
1687 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1688 handle ARGUMENT_PACK_SELECT.
1690 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1694 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1695 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1696 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1700 * call.c (build_op_call_1): Use convert_like_with_context only
1701 if cand->fn is a decl.
1704 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1705 For lval don't use cxx_eval_unary_expression and instead recurse
1706 and if needed rebuild the reference.
1709 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1712 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1713 fold *expr_p before genericizing it.
1716 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1718 2016-07-15 Jason Merrill <jason@redhat.com>
1721 * call.c (convert_like_real): Mask complain.
1722 * semantics.c (perform_koenig_lookup): Likewise.
1725 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1726 threw away DECL_SAVED_TREE.
1730 * call.c (add_template_conv_candidate): Disable if there are
1734 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1737 * pt.c (tsubst_attributes): Fix loop logic.
1741 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1742 (cp_parser_simple_declaration): Diagnose type definition in
1743 for-range-declaration.
1746 * operators.def: Add *_FOLD_EXPR.
1747 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1748 * mangle.c (write_expression): Handle fold-expressions.
1749 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1750 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1751 partial instantiation.
1754 * mangle.c (write_expression): Handle sizeof... an argument pack.
1757 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1760 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1761 artificial variables.
1763 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1765 * parser.c (cp_parser_oacc_declare): Don't scan for
1767 * semantics.c (handle_omp_array_sections): Mark data clauses with
1768 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1769 zero-length subarrays.
1771 2016-07-11 Jason Merrill <jason@redhat.com>
1773 * decl.c (store_parm_decls): Remove check for void parm.
1775 2016-07-08 Jason Merrill <jason@redhat.com>
1777 * cp-tree.h: Unpoison lvalue_p.
1778 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1779 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1782 * tree.c (obvalue_p): Rename from lvalue_p.
1783 (lvalue_p): Define for c-common.
1784 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1786 (cp_build_addr_expr_1): Remove obsolete code.
1788 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1789 * call.c, cp-tree.h, typeck.c: Adjust.
1791 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1793 P0145R2: Refining Expression Order for C++.
1794 * cp-gimplify.c (lvalue_has_side_effects): New.
1795 (cp_gimplify_expr): Implement assignment ordering.
1796 * call.c (op_is_ordered, build_over_call): Adjust for
1797 -fargs-in-order renaming to -fstrong-eval-order.
1798 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1800 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1801 Kai Tietz <ktietz70@googlemail.com>
1805 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1806 artificial vars, genericize their initializers.
1808 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1811 * parser.c (cp_parser_class_specifier_1): When reporting
1812 missing semicolons, use a fixit-hint to suggest insertion
1813 of a semicolon immediately after the closing brace,
1814 offsetting the reported column accordingly.
1816 2016-07-04 Jan Beulich <jbeulich@suse.com>
1818 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1820 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1822 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1823 Move pragma context checking into...
1824 (cp_parser_omp_cancellation_point): ... here, and improve
1825 diagnostic messages.
1826 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1827 Improve diagnostic messages.
1829 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1831 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1833 2016-06-24 Jason Merrill <jason@redhat.com>
1835 P0145R2: Refining Expression Order for C++.
1836 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1838 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1839 (build_target_expr): Call mark_rvalue_use.
1841 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1843 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1844 (build_over_call): For magic == 3, do no conversion only on 3rd
1847 2016-06-23 Andi Kleen <ak@linux.intel.com>
1849 * Make-lang.in: Add support for autofdo.
1851 2016-06-21 Jason Merrill <jason@redhat.com>
1853 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1854 args as our template has levels of parms.
1856 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1857 (type_dependent_expression_p): Use uses_outer_template_parms.
1859 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1861 * parser.c (cp_parser_string_literal): Convert non-standard
1862 concatenation error to directly use a rich_location, and
1863 use that to add the location of the first literal to the
1866 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1868 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1870 * error.c (dump_function_decl): Save the constexpr specifier too.
1872 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1874 * tree.c (builtin_valid_in_constant_expr_p): Test for
1875 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1877 (bot_manip): Likewise.
1878 * call.c (magic_varargs_p): Likewise.
1880 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1882 * decl.c (grokfndecl): Change pair of errors to error + inform.
1884 2016-06-17 Jason Merrill <jason@redhat.com>
1887 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1888 warning when there are dependent bases.
1890 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1892 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1893 processing_template_decl when checking for bitfields and unions.
1894 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1895 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1896 array sections with COMPONENT_REF bases.
1898 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1900 * parser.c (cp_parser_omp_var_list_no_open): Call
1901 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1902 * semantics.c (finish_omp_clauses): Don't ICE when
1903 processing_template_decl when checking for bitfields and unions.
1904 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1906 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1908 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
1909 "%qF" in warning_at instead of "%q+F" in warning.
1910 (check_redeclaration_exception_specification): Likewise in pedwarn
1911 (and error, inform, for consistency).
1912 * call.c (joust): Likewise.
1914 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1917 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
1918 code at the end of the for loop; also revert r159637 changes,
1919 add back the gcc_assert.
1920 * cp-tree.h (xref_basetypes): Adjust declaration.
1921 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
1923 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1925 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
1927 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1929 * typeck.c: Include "gcc-rich-location.h".
1930 (finish_class_member_access_expr): Simplify fixit code by
1931 using gcc_rich_location::add_fixit_misspelled_id.
1933 2016-06-14 Jason Merrill <jason@redhat.com>
1935 P0145R2: Refining Expression Order for C++.
1936 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
1937 (CALL_EXPR_REVERSE_ARGS): New.
1938 * call.c (build_new_op_1): Set them.
1939 (extract_call_expr, op_is_ordered): New.
1940 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
1941 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
1942 * pt.c (tsubst_copy_and_build): Copy new flags.
1943 * semantics.c (simplify_aggr_init_expr): Likewise.
1944 * tree.c (build_aggr_init_expr): Likewise.
1945 (build_min_non_dep_op_overload): Likewise.
1947 2016-06-14 Jakub Jelinek <jakub@redhat.com>
1950 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
1951 olddecl vars, preserve their TREE_READONLY bit.
1954 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
1956 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1958 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
1960 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
1962 * decl.c (grokdeclarator): Fix typo in pedwarn text.
1964 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
1967 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
1970 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
1974 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1977 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1978 emits an error do not zero the type.
1980 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1982 * decl.c (maybe_deduce_size_from_array_init): Use
1983 DECL_SOURCE_LOCATION in error_at.
1984 (layout_var_decl): Likewise.
1985 (check_array_initializer): Likewise.
1986 (check_initializer): Likewise.
1987 (duplicate_decls, check_elaborated_type_specifier): Tidy.
1989 2016-06-08 Martin Sebor <msebor@redhat.com>
1990 Jakub Jelinek <jakub@redhat.com>
1994 * constexpr.c: Include gimple-fold.h.
1995 (cxx_eval_internal_function): New function.
1996 (cxx_eval_call_expression): Call it.
1997 (potential_constant_expression_1): Handle integer arithmetic
1999 * tree.c (builtin_valid_in_constant_expr_p): Handle
2000 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2002 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2004 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2005 return value of tsubst_aggr_type for error_mark_node.
2007 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2010 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2012 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2013 Patrick Palka <ppalka@gcc.gnu.org>
2018 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2019 right after cp_fold call if cp_fold has returned the same stmt
2020 already in some earlier cp_fold_r call.
2021 (cp_fold_function): Add pset automatic variable, pass its address
2024 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2027 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2028 emits an error do not zero the type.
2030 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2033 * decl.c (duplicate_decls): Properly copy the
2034 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2035 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2037 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2039 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2040 arguments as addressable when async clause exists.
2042 2016-06-02 Jan Hubicka <jh@suse.cz>
2044 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2047 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2049 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2050 (start_enum): Likewise.
2051 * parser.c (cp_parser_class_head): Likewise.
2053 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2056 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2057 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2058 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2059 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2060 to the newly built tree.
2062 2016-05-31 Jason Merrill <jason@redhat.com>
2064 * pt.c (instantiate_decl): Avoid recalculation.
2069 * pt.c (instantiate_template_1): Don't put the partial
2070 specialization in DECL_TI_TEMPLATE.
2071 (partial_specialization_p, impartial_args): Remove.
2072 (regenerate_decl_from_template): Add args parm.
2073 (instantiate_decl): Look up the partial specialization again.
2076 * pt.c (check_explicit_specialization): Give better diagnostic about
2077 specializing a hidden friend.
2079 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2082 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2083 to obtain correct locations; avoid redundant diagnostics on
2084 out-of-class definitions.
2086 2016-05-30 Martin Sebor <msebor@redhat.com>
2089 * init.c (warn_placement_new_too_small): Handle placement new arguments
2090 that are elements of arrays more carefully. Remove a pointless loop.
2092 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2095 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2096 when combined with target construct.
2097 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2098 to cp_parser_omp_all_clauses.
2100 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2103 * lex.c (unqualified_name_lookup_error): Take a location too.
2104 (unqualified_fn_lookup_error): Take a cp_expr.
2105 * cp-tree.h (unqualified_name_lookup_error,
2106 unqualified_fn_lookup_error): Adjust declarations.
2107 * semantics.c (perform_koenig_lookup): Adjust
2108 unqualified_fn_lookup_error call, pass the location of
2109 the identifier too as part of a cp_expr.
2111 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2114 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2115 to improve the diagnostic about wrong uses of 'virtual'.
2117 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2120 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2121 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2123 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2127 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2128 decls into the global scope after stripping template bits
2129 and setting DECL_ANTICIPATED.
2131 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2134 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2136 * name-lookup.h (push_namespace): Adjust declaration.
2137 * parser.c (cp_parser_namespace_definition): Check push_namespace
2140 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2143 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2144 decls into the global scope after stripping template bits
2145 and setting DECL_ANTICIPATED.
2147 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2149 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2150 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2152 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2156 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2158 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2159 on the qualified_id then propagate it to the resulting
2161 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2163 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2164 its REF_PARENTHESIZED_P flag.
2166 2016-05-25 Jason Merrill <jason@redhat.com>
2170 * cp-tree.h (enum tag_types): Add scope_type.
2171 * parser.c (cp_parser_class_name): Use scope_type.
2172 (prefer_type_arg): Handle scope_type.
2173 (cp_parser_lookup_name): Use prefer_type_arg.
2174 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2175 int prefer_type, use lookup_flags.
2176 * name-lookup.h: Adjust.
2178 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2180 * parser.c (cp_parser_oacc_declare): Add support for
2181 GOMP_MAP_FIRSTPRIVATE_POINTER.
2182 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2183 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2185 (handle_omp_array_sections): Replace bool is_omp argument with enum
2186 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2187 (finish_omp_clauses): Add specific errors and warning messages for
2188 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2189 call to handle_omp_array_sections.
2191 2016-05-24 Jason Merrill <jason@redhat.com>
2194 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2196 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2198 2016-05-24 Martin Sebor <msebor@redhat.com>
2201 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2202 * pt.c (instantiate_class_template_1): Try to complete the element
2203 type of a flexible array member.
2204 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2205 * typeck.c (complete_type): Also complete the type of the elements of
2206 arrays with an unspecified bound.
2208 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2211 * typeck2.c (check_narrowing): Check pedwarn return value.
2213 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2216 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2217 For OMP_CLAUSE_LINEAR_REF don't require type to be
2218 integral or pointer.
2220 2016-05-24 Richard Biener <rguenther@suse.de>
2224 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2225 * constexpr.c (cxx_eval_array_reference): Handle indexed
2227 * typeck.c (cp_build_array_ref): Adjust.
2229 2016-05-23 Jason Merrill <jason@redhat.com>
2232 * constexpr.c (cxx_eval_call_expression): Check for
2233 fun == current_function_decl again.
2236 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2237 maybe_undo_parenthesized_ref.
2240 * pt.c (tsubst_copy): Just return a local variable from
2241 non-template context. Don't call rest_of_decl_compilation for
2242 duplicated static locals.
2243 (tsubst_decl): Set DECL_CONTEXT of local static from another
2246 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2249 * method.c (forward_parm): Use cp_build_reference_type.
2251 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2254 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2256 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2258 * pt.c (check_for_bare_parameter_packs): Improve error message
2259 location for expressions.
2261 2016-05-20 Nathan Sidwell <nathan@acm.org>
2263 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2265 (cxx_eval_call_expression): Fix comment grammar.
2267 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2270 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2271 and return immediately in case of erroneous code.
2273 2016-05-19 Marek Polacek <polacek@redhat.com>
2276 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2278 2016-05-19 Jason Merrill <jason@redhat.com>
2281 * pt.c (fn_type_unification): Add outer template args if needed.
2282 (type_unification_real): Handle getting full args.
2284 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2287 * parser.c (cp_parser_operator): For array new/delete, check that
2288 cp_parser_require returned a non-NULL token before dereferencing
2291 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2293 * decl.c (finish_enum_value_list): Use the specified mode.
2295 2016-05-18 Jason Merrill <jason@redhat.com>
2297 * pt.c (value_dependent_expression_p): Tweak new cases to better
2298 match the wording in the standard.
2300 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2303 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2304 when the previous cp_lexer_peek_token returns CPP_EOF.
2306 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2309 * call.c (convert_like_real): Check that we are actually converting
2312 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2314 * decl.c (grokdeclarator): Remove errmsg and use of
2315 targetm.invalid_return_type.
2316 (grokparms): Remove errmsg and use of
2317 targetm.invalid_parameter_type.
2319 2016-05-13 Jason Merrill <jason@redhat.com>
2323 * pt.c (tsubst_decl): Use uses_template_parms.
2324 (instantiate_template_1): Handle non-dependent calls in templates.
2325 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2326 (type_dependent_expression_p): Only consider innermost template args.
2327 (dependent_template_arg_p): Check enclosing class of a template here.
2328 (dependent_template_p): Not here.
2329 (type_dependent_object_expression_p): New.
2330 * typeck.c (finish_class_member_access_expr): Use it.
2331 * parser.c (cp_parser_postfix_expression): Use it.
2332 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2333 to detect the current instantiation.
2334 (cp_parser_lookup_name): Really implement DR 141.
2335 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2336 (any_dependent_bases_p): Split out from...
2337 * name-lookup.c (do_class_using_decl): ...here.
2338 * call.c (build_new_method_call_1): Use it.
2339 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2340 * tree.c (non_static_member_function_p): Remove.
2341 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2343 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2344 complete_type_or_else for unknown_type_node, too.
2346 2016-05-12 Marek Polacek <polacek@redhat.com>
2349 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2350 * cp-tree.h (cp_build_modify_expr): Update declaration.
2351 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2353 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2354 cp_build_modify_expr.
2355 * decl2.c (set_guard): Likewise.
2356 (handle_tls_init): Likewise.
2357 * init.c (perform_member_init): Likewise.
2358 (expand_virtual_init): Likewise.
2359 (build_new_1): Likewise.
2360 (build_vec_delete_1): Likewise.
2361 (get_temp_regvar): Likewise.
2362 (build_vec_init): Likewise.
2363 * method.c (do_build_copy_assign): Likewise.
2364 (assignable_expr): Likewise.
2365 * semantics.c (finish_omp_for): Likewise.
2366 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2368 (cp_pointer_int_sum): Add location parameter. Pass it down to
2370 (pointer_diff): Add location parameter. Use it.
2371 (build_modify_expr): Pass location down to cp_build_modify_expr.
2372 (cp_build_modify_expr): Add location parameter. Use it.
2373 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2374 * typeck2.c (cxx_incomplete_type_diagnostic,
2375 cxx_incomplete_type_error): Add location parameter.
2377 2016-05-11 Marek Polacek <polacek@redhat.com>
2380 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2382 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2384 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2385 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2387 2016-05-04 Marek Polacek <polacek@redhat.com>
2389 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2390 with OPT_Wdangling_else.
2392 2016-05-03 Martin Sebor <msebor@redhat.com>
2395 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2396 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2398 2016-05-03 Marek Polacek <polacek@redhat.com>
2401 * call.c (build_cxx_call): Pass location and vNULL down to
2402 check_builtin_function_arguments.
2404 2016-05-03 Richard Biener <rguenther@suse.de>
2406 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2407 the checksum from the previous stage.
2409 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2412 * typeck.c (finish_class_member_access_expr): When
2413 giving a hint about a possibly-misspelled member name,
2414 add a fix-it replacement hint.
2416 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2418 * cp-tree.h (finish_omp_clauses): Update prototype.
2419 * parser.c (cp_parser_oacc_all_clauses): Update call to
2421 (cp_parser_omp_all_clauses): Likewise.
2422 (cp_parser_omp_for_loop): Likewise.
2423 (cp_omp_split_clauses): Likewise.
2424 (cp_parser_oacc_cache): Likewise.
2425 (cp_parser_oacc_loop): Likewise.
2426 (cp_parser_omp_declare_target):
2427 (cp_parser_cilk_simd_all_clauses): Likewise.
2428 (cp_parser_cilk_for): Likewise.
2429 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2430 arguments with enum c_omp_region_type ort.
2431 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2432 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2433 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2434 (tsubst_expr): Update calls to tsubst_omp_clauses.
2435 * semantics.c (finish_omp_clauses): Replace bool arguments
2436 allow_fields, declare_simd, and is_cilk with bitmask ort.
2437 (finish_omp_for): Update call to finish_omp_clauses.
2439 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2442 * parser.c (cp_parser_class_head): Capture the start location;
2443 use it to emit a fix-it insertion hint when complaining
2444 about missing "template <> " in explicit specializations.
2446 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2448 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2450 2016-05-02 Richard Biener <rguenther@suse.de>
2452 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2455 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2458 * class.c (check_field_decl): Remove final int* parameter, change
2459 the return type to bool; fix logic in order not to reject multiple
2460 initialized fields in anonymous struct.
2461 (check_field_decls): Adjust call.
2463 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2466 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2467 OACC_LOOP_CLAUSE_MASK.
2468 (cp_parser_oacc_kernels_parallel): Update call to
2469 c_oacc_split_loop_clauses.
2471 2016-04-28 Jason Merrill <jason@redhat.com>
2473 Implement C++17 [[nodiscard]] attribute.
2476 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2477 * tree.c (handle_nodiscard_attribute): New.
2478 (cxx_attribute_table): Add [[nodiscard]].
2479 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2480 (maybe_warn_nodiscard): New.
2481 (convert_to_void): Call it.
2483 * cvt.c (cp_get_callee): New.
2484 * constexpr.c (get_function_named_in_call): Use it.
2485 * cxx-pretty-print.c (postfix_expression): Use it.
2486 * except.c (check_noexcept_r): Use it.
2487 * method.c (check_nontriv): Use it.
2488 * tree.c (build_aggr_init_expr): Use it.
2489 * cp-tree.h: Declare it.
2491 2015-04-27 Ryan Burn <contact@rnburn.com>
2492 Jeff Law <law@redhat.com>
2496 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2497 instead of cilk_detect_spawn_and_unwrap.
2498 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2500 (cilk_cp_detect_spawn_and_unwrap): New.
2501 * lambda.c: Include cp-cilkplus.h.
2502 * parser.c: Include cp-cilkplus.h.
2503 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2504 * cp-cilkpus.h: New file.
2506 2016-04-27 Nathan Sidwell <nathan@acm.org>
2508 * constexpr.c (get_fundef_copy): Use the original function for
2509 non-recursive evaluations.
2510 (save_fundef_copy): Always expect a slot to be available.
2512 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2514 * parser.c (cp_parser_postfix_expression): Call
2515 warn_for_memset instead of warning directly here.
2517 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2520 * decl.c (build_enumerator): Set current_access_specifier when
2521 declaring an enumerator belonging to an in-class enumeration.
2522 * parser.c (cp_parser_check_access_in_redecleration): Also
2523 consider in-class enumerations.
2525 2016-04-26 Marek Polacek <polacek@redhat.com>
2528 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2529 instead of stabilize_reference.
2530 (build_over_call): Likewise.
2531 * cp-tree.h (cp_stabilize_reference): Declare.
2532 * tree.c (cp_stabilize_reference): New function.
2533 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2534 stabilize_reference.
2535 (unary_complex_lvalue): Likewise.
2536 (cp_build_modify_expr): Likewise.
2538 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2541 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2544 2016-04-25 Jason Merrill <jason@redhat.com>
2546 * tree.c (std_attribute_table): New.
2547 (init_tree): Register it.
2549 2016-04-22 Jason Merrill <jason@redhat.com>
2551 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2553 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2555 * name-lookup.c (free_saved_scope): New free list of saved_scope
2557 (push_to_top_level): Attempt to reuse a saved_scope struct
2558 from free_saved_scope instead of allocating a new one each time.
2559 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2560 onto free_saved_scope.
2562 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2565 * semantics.c (process_outer_var_ref): Unconditionally return
2566 error_mark_node when mark_used returns false.
2568 2016-04-21 Marek Polacek <polacek@redhat.com>
2571 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2572 extra qualification.
2574 2016-04-20 Nathan Sidwell <nathan@acm.org>
2577 * init.c (build_vec_delete_1): Protect operator delete call in try
2579 (build_delete): Likewise.
2580 * optimize.c (build_delete_destructor_body): Likewise.
2582 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2585 * cp-tree.h (finish_omp_clauses): Add new default argument.
2586 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2587 instead of c_finish_cilk_clauses.
2588 * semantics.c (finish_omp_clauses): Add new argument. Allow
2589 floating-point variables in the linear clause for Cilk Plus.
2591 2016-04-20 Nathan Sidwell <nathan@acm.org>
2593 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2596 2016-04-19 Jason Merrill <jason@redhat.com>
2599 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2600 * pt.c (make_pack_expansion): Call mark_exp_read.
2601 * semantics.c (finish_id_expression): Call mark_type_use in
2602 unevaluated context.
2605 * call.c (implicit_conversion): If we choose a copy constructor
2606 for list-initialization from the same type, the conversion is an
2609 * constexpr.c (breaks): Handle EXIT_EXPR.
2610 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2611 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2616 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2619 * pt.c (tsubst_expr): Remove shadowing declaration.
2620 (tsubst_pack_expansion): Add assert.
2622 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2625 * name-lookup.c (qualified_lookup_using_namespace): Look through
2628 2016-04-18 Michael Matz <matz@suse.de>
2630 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2631 (layout_class_type): Ditto.
2632 (build_base_field): Use SET_DECL_ALIGN.
2633 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2634 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2635 (record_unknown_type): Use SET_TYPE_ALIGN.
2636 (cxx_init_decl_processing): Ditto.
2637 (copy_type_enum): Ditto.
2638 (grokfndecl): Use SET_DECL_ALIGN.
2639 (copy_type_enum): Use SET_TYPE_ALIGN.
2640 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2642 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2643 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2644 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2645 * rtti.c (emit_tinfo_decl): Ditto.
2647 2016-04-18 Jason Merrill <jason@redhat.com>
2651 * class.c (type_maybe_constexpr_default_constructor): New.
2652 (type_has_constexpr_default_constructor): Revert.
2654 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2658 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2659 (handle_com_interface_attribute): Delete.
2661 2016-04-15 Jason Merrill <jason@redhat.com>
2664 * constexpr.c (get_fundef_copy): Handle null *slot.
2667 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2668 unknown_type_node, too.
2670 2016-04-15 Jason Merrill <jason@redhat.com>
2671 Nathan Sidwell <nathan@acm.org>
2674 * constexpr.c (constexpr_call_table): Preserve in GC.
2675 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2676 (fundef_copies_table): Preserve in GC. Change to pointer to
2678 (maybe_initialize_fundef_copies_table): Adjust.
2679 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2680 (save_fundef_copy): Adjust for a TREE_LIST.
2681 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2682 (fini_constexpr): New.
2683 * cp-tree.h (fini_constexpr): Declare.
2684 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2686 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2689 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2691 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2692 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2693 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2694 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2695 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2696 cp_parser_statement.
2697 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2698 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2699 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2700 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2701 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2702 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2703 cp_parser_omp_taskloop, cp_parser_omp_construct,
2704 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2705 Add IF_P argument, pass it down where needed.
2706 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2707 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2710 2016-04-14 Jason Merrill <jason@redhat.com>
2713 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2714 * typeck2.c (split_nonconstant_init_1): Use it.
2717 * class.c (type_has_constexpr_default_constructor): Return true
2718 for an implicitly declared constructor.
2721 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2722 (cp_parser_simple_declaration): Pass it.
2723 (strip_declarator_types): New.
2726 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2727 initializer also makes the variable value-dependent.
2730 * constexpr.c (cxx_eval_store_expression): Also copy
2731 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2733 2016-04-14 Martin Sebor <msebor@redhat.com>
2738 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2740 2016-04-14 Jason Merrill <jason@redhat.com>
2742 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2743 parameter ABI change.
2745 2016-04-13 Martin Sebor <msebor@redhat.com>
2750 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2752 * decl.c (check_initializer, cp_finish_decl): Call them.
2753 (reshape_init_r): Reject incompletely braced intializer-lists
2755 * init.c (throw_bad_array_length, build_vla_check)
2756 (build_vla_size_check, build_vla_init_check): Define new functions.
2757 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2759 (store_init_value): Same.
2761 2016-04-13 Jason Merrill <jason@redhat.com>
2763 Warn about empty parameter ABI with -Wabi=9.
2764 * call.c (empty_class_msg, mark_for_abi_warning)
2765 (warn_empty_class_abi): New.
2766 (build_call_a): Use them.
2767 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2768 * error.c (pp_format_to_string): New.
2770 Pass empty class parameters like C.
2771 * call.c (pass_as_empty_struct, empty_class_arg): New.
2772 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2773 (build_call_a): Use empty_class_arg.
2774 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2775 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2777 2016-04-13 Jason Merrill <jason@redhat.com>
2780 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2782 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2785 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2786 avoidance mechanism.
2788 2016-04-13 Jason Merrill <jason@redhat.com>
2791 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2792 from instantiation_dependent_expression_p.
2793 (value_dependent_expression_p): Use it for unevaluated operands.
2794 (instantiation_dependent_r): Don't check value-dependence.
2795 (instantiation_dependent_expression_p): Check
2796 value-dependence of the expression as a whole.
2797 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2798 * semantics.c (finish_decltype_type): Use it.
2800 * constexpr.c (potential_nondependent_constant_expression): New.
2801 (potential_nondependent_static_init_expression): New.
2802 (maybe_constant_value_1, fold_non_dependent_expr)
2803 (maybe_constant_init): Use them.
2804 * pt.c (instantiate_non_dependent_expr_sfinae)
2805 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2807 * cp-tree.h: Declare them.
2809 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2812 * decl.c (pop_labels_1): Removed.
2813 (note_label, sort_labels): New functions.
2814 (pop_labels): During named_labels traversal, just push the slot
2815 pointers into a vector, then qsort it by DECL_UID and only then
2816 call pop_label and chain it into BLOCK_VARS.
2818 2016-04-13 Jason Merrill <jason@redhat.com>
2821 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2822 (cp_gimplify_expr): Not here.
2824 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2827 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2829 * typeck.c (build_x_conditional_expr): Unconditionally remember
2830 that the result is an lvalue or xvalue.
2832 2016-04-12 Jason Merrill <jason@redhat.com>
2834 * class.c (is_really_empty_class): A zero-length array is empty.
2835 An unnamed bit-field doesn't make a class non-empty.
2837 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2840 * parser.c (cp_parser_cache_defarg): When file ends in default
2841 argument simply return error_mark_node.
2843 2016-04-12 Nathan Sidwell <nathan@acm.org>
2846 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2849 2016-04-11 Jason Merrill <jason@redhat.com>
2851 * mangle.c (decl_is_template_id): The template itself counts as a
2854 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2858 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2859 on the result if it's not a CONSTRUCTOR.
2861 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2864 * constexpr.c (find_constructor): New function.
2865 (unshare_constructor): New function.
2866 (cxx_eval_call_expression): Use unshare_constructor instead of
2868 (find_array_ctor_elt): Likewise.
2869 (cxx_eval_vec_init_1): Likewise.
2870 (cxx_eval_store_expression): Likewise.
2871 (cxx_eval_constant_expression): Likewise.
2873 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2876 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2877 potentially generating a future -Wparentheses warning in its
2880 2016-04-06 Jason Merrill <jason@redhat.com>
2882 * class.c (check_abi_tags): Fix function template handling.
2884 2016-04-05 Nathan Sidwell <nathan@acm.org>
2887 * class.c (fixup_may_alias): New.
2888 (fixup_attribute_variants): Call it.
2890 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2893 * constexpr.c (struct fundef_copy): New struct.
2894 (struct fundef_copies_table_t): New struct.
2895 (fundef_copies_table): New static variable.
2896 (maybe_initialize_fundef_copies_table): New static function.
2897 (get_fundef_copy): New static function.
2898 (save_fundef_copy): New static function.
2899 (cxx_eval_call_expression): Use get_fundef_copy, and
2901 (constexpr_call_table): Add "deletable" GTY marker.
2903 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2906 * cp-tree.h (class cache_map): Remove.
2907 * constexpr.c (cv_cache): Change type to
2908 GTY((deletable)) hash_map<tree, tree> *.
2909 (maybe_constant_value): Adjust following the change to cv_cache.
2910 (clear_cv_cache): New static function.
2911 (clear_cv_and_fold_caches): Use it.
2912 * cp-gimplify.c (fold_cache): Change type to
2913 GTY((deletable)) hash_map<tree, tree> *.
2914 (clear_fold_cache): Adjust following the change to fold_cache.
2915 (cp_fold): Likewise.
2917 2016-04-02 Martin Sebor <msebor@redhat.com>
2923 * constexpr.c (diag_array_subscript): New function.
2924 (cxx_eval_array_reference): Detect out of bounds array indices.
2926 2016-04-01 Jason Merrill <jason@redhat.com>
2930 * pt.c (instantiate_decl): A function isn't fully defined if
2931 DECL_INITIAL is error_mark_node.
2932 * constexpr.c (cxx_eval_call_expression): Likewise.
2934 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2935 Marek Polacek <polacek@redhat.com>
2938 * init.c (warn_placement_new_too_small): Test whether
2939 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2941 2016-04-01 Nathan Sidwell <nathan@acm.org>
2944 * decl.c (check_redeclaration_exception_specification): Check
2945 regardless of -fno-exceptions.
2946 * typeck2.c (merge_exception_specifiers): Relax assert by checking
2947 flag_exceptions too.
2949 2016-03-31 Nathan Sidwell <nathan@acm.org>
2951 * decl.c (start_preparsed_function): Remove unnecessary bracing.
2952 (finish_destructor_body): Don't emit operator delete here.
2954 2016-03-31 Nathan Sidwell <nathan@acm.org>
2957 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
2958 elements in field order.
2960 2016-03-31 Marek Polacek <polacek@redhat.com>
2963 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2965 2016-03-31 Richard Biener <rguenther@suse.de>
2968 * typeck.c (cp_build_binary_op): Fix operand order of vector
2969 conditional in truth op handling.
2971 2016-03-29 Jason Merrill <jason@redhat.com>
2974 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
2975 in constexpr functions.
2977 2016-03-28 Jason Merrill <jason@redhat.com>
2982 * decl.c, pt.c, constexpr.c: Revert last patch.
2984 2016-03-25 Jason Merrill <jason@redhat.com>
2985 Martin Liška <mliska@suse.cz>
2990 * decl.c (cp_fname_init): Decay the initializer to pointer.
2991 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
2992 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2993 Don't call cp_finish_decl.
2994 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
2995 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
2996 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2997 Handle DECL_VALUE_EXPR.
2999 2016-03-24 Jason Merrill <jason@redhat.com>
3002 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3005 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3008 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3011 * tree.c (build_cplus_array_type): Determine type-dependentess
3012 with uses_template_parms instead of with dependent_type_p.
3014 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3017 * typeck.c (process_init_constructor_union): If the initializer
3018 is empty, use the union's NSDMI if it has one.
3020 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3023 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3024 NSDMI that's part of an aggregrate initialization.
3026 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3029 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3030 for 1..max even for multi-dimensional arrays. Call unshare_expr
3034 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3035 on TREE_OVERFLOW constants.
3038 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3039 for OMP_TASKLOOP here.
3040 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3041 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3043 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3044 Jason Merrill <jason@redhat.com>
3045 Jakub Jelinek <jakub@redhat.com>
3048 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3049 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3050 (finish_function): Don't set or test them.
3051 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3053 2016-03-23 Jason Merrill <jason@redhat.com>
3056 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3058 2016-03-23 Marek Polacek <polacek@redhat.com>
3061 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3063 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3065 * call.c (build_conditional_expr_1): Always use original
3066 condition type for vector type checks and build.
3068 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3071 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3073 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3076 * constexpr.c (non_const_var_error): Check
3077 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3079 2016-03-21 Richard Henderson <rth@redhat.com>
3082 * decl.c (notice_forced_label_r): New.
3083 (cp_finish_decl): Use it.
3085 2016-03-21 Jason Merrill <jason@redhat.com>
3088 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3090 2016-03-18 Jason Merrill <jason@redhat.com>
3093 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3096 * class.c (vptr_via_virtual_p): New.
3097 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3098 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3099 a vptr from any virtual base in a not-in-charge 'structor.
3101 * decl.c (build_clobber_this): Factor out of
3102 start_preparsed_function and begin_destructor_body. Handle
3103 virtual bases better.
3105 * class.c (build_if_in_charge): Split out from build_base_path.
3106 * init.c (expand_virtual_init, expand_default_init): Use it.
3107 * call.c (build_special_member_call): Use it.
3109 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3112 * init.c (build_new_1): Complain and return error_mark_node
3113 if alloc_fn is not _Jv_AllocObject function returning pointer.
3115 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3118 * search.c (adjust_result_of_qualified_name_lookup): Don't
3119 update the BASELINK_BINFO of DECL if the second call
3120 to lookup_base fails.
3122 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3125 * parser.c (cp_parser_lambda_expression): Move call to
3126 pop_deferring_access_checks ahead of the call to
3127 cp_parser_end_tentative_firewall.
3129 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3132 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3133 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3134 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3136 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3137 if magic_varargs_p == 1, call decay_conversion
3138 instead of mark_type_use. Don't store error_mark_node arguments to
3139 argarray, instead return error_mark_node.
3142 * decl.c (begin_destructor_body): Don't insert clobber if
3143 is_empty_class (current_class_type).
3145 2016-03-17 Marek Polacek <polacek@redhat.com>
3148 * typeck.c (warn_for_null_address): New function.
3149 (cp_build_binary_op): Call it.
3151 2016-03-16 Jason Merrill <jason@redhat.com>
3154 * decl.c (start_preparsed_function): Don't clobber an empty base.
3156 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3159 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3160 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3163 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3164 set in_base_initializer.
3166 2016-03-15 Marek Polacek <polacek@redhat.com>
3169 * tree.c (strip_typedefs): Call strip_typedefs again on the
3170 DECL_ORIGINAL_TYPE result.
3172 2016-03-15 Jason Merrill <jason@redhat.com>
3175 * pt.c (instantiate_decl): Fix call to variable_template_p.
3178 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3180 2016-03-14 Casey Carter <casey@carter.net>
3181 Jason Merrill <jason@redhat.com>
3183 P0184R0: Generalizing the Range-Based For Loop
3184 * parser.c (cp_convert_range_for): Set the type of __end separately.
3185 (cp_parser_perform_range_for_lookup): Allow different begin/end
3186 types if they are comparable.
3188 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3191 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3192 processing_template_decl and EXPR is a SCOPE_REF.
3194 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3195 Jakub Jelinek <jakub@redhat.com>
3198 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3199 return value from cxx_eval_constant_expression from earlier
3200 elements if it is valid constant initializer requiring no
3203 2016-03-10 Marek Polacek <polacek@redhat.com>
3206 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3208 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3210 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3211 when calling c_finish_omp_clauses.
3213 2016-03-08 Jason Merrill <jason@redhat.com>
3215 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3216 diagnostic for use of "concept".
3217 (cp_parser_requires_clause_opt): And "requires".
3218 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3219 (cp_parser_explicit_template_declaration): Adjust.
3220 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3222 P0036R0: Unary Folds and Empty Parameter Packs
3223 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3225 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3228 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3229 even after the last iteration of the loop.
3231 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3233 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3236 * pt.c (get_template_info): Handle PARM_DECL.
3237 (template_class_depth): Check DECL_P instead of
3238 VAR_OR_FUNCTION_DECL_P.
3240 2016-03-05 Jason Merrill <jason@redhat.com>
3243 * constexpr.c (cxx_eval_store_expression): Replace
3244 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3246 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3249 * pt.c (template_class_depth): Given a lambda type, iterate
3250 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3251 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3254 2016-03-04 Jason Merrill <jason@redhat.com>
3257 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3258 * init.c (build_vec_delete_1): Set it.
3259 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3261 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3263 * decl.c (start_preparsed_function): Don't emit start clobber at the
3264 start of constructor clones.
3267 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3268 * decl.c (start_preparsed_function): Call
3269 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3270 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3271 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3273 2016-03-04 Jason Merrill <jason@redhat.com>
3276 * constexpr.c (cxx_eval_component_reference): Further tweak.
3278 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3279 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3280 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3281 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3284 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3287 2016-03-03 Jason Merrill <jason@redhat.com>
3289 * method.c (synthesized_method_walk): operator= can also be constexpr.
3291 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3292 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3295 * pt.c (copy_template_args): New.
3296 (tsubst_pack_expansion): Use it.
3298 * call.c (build_aggr_conv): Use get_nsdmi.
3301 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3304 * constexpr.c (cxx_eval_component_reference): Just return an empty
3305 CONSTRUCTOR for an empty class.
3307 2016-03-01 Jason Merrill <jason@redhat.com>
3310 * parser.c (cp_parser_requires_clause): Call
3311 check_for_bare_parameter_packs.
3314 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3318 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3319 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3320 [TARGET_EXPR]: Unshare init.
3322 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3326 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3329 2016-02-28 Jason Merrill <jason@redhat.com>
3332 * constexpr.c (cxx_eval_store_expression): Unshare init.
3334 2016-02-26 Jason Merrill <jason@redhat.com>
3337 * pt.c (make_argument_pack): New.
3338 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3339 (tsubst_copy_and_build): Likewise.
3341 2016-02-25 Jason Merrill <jason@redhat.com>
3344 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3345 * tree.c (build_aggr_init_expr): Set it.
3346 * semantics.c (simplify_aggr_init_expr): Check it.
3347 * cp-gimplify.c (cp_genericize_r): Don't walk into
3348 a call/aggr_init from a thunk.
3351 * method.c (forward_parm): Handle parameter packs.
3352 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3355 * constexpr.c (cxx_eval_component_reference): Don't complain about
3356 unevaluated empty classes.
3359 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3361 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3364 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3365 (maybe_undo_parenthesized_ref): Declare.
3366 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3368 (finish_call_expr): Use it.
3369 * typeck.c (check_return_expr): Use it.
3370 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3371 REF_PARENTHESIZED_P flag.
3373 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3376 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3378 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3380 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3381 unless they are folded into INTEGER_CST, error_mark_node or some
3382 comparison with NULL, avoid folding them and use either the original
3383 comparison or non-folded comparison of folded arguments.
3384 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3385 comparison, don't fold the comparison right away.
3387 2016-02-24 Jason Merrill <jason@redhat.com>
3390 * friend.c (make_friend_class): Likewise.
3391 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3393 2016-02-24 Jason Merrill <jason@redhat.com>
3396 * pt.c (instantiate_class_template_1): Set
3397 processing_template_decl before substituting friend_type.
3399 016-02-24 Martin Sebor <msebor@redhat.com>
3402 * tree.c (build_ctor_subob_ref): Compare types' main variants
3403 instead of the types as they are.
3405 2016-02-24 Jason Merrill <jason@redhat.com>
3407 * decl.c (start_preparsed_function): Condition ctor clobber on
3408 flag_lifetime_dse > 1.
3410 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3412 2016-02-19 Jason Merrill <jason@redhat.com>
3415 * call.c (remaining_arguments): No longer static.
3416 * cp-tree.h: Declare it.
3417 * pt.c (more_specialized_fn): Use it.
3419 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3420 Bernd Edlinger <bernd.edlinger@hotmail.de>
3422 * Make-lang.in: Invoke gperf with -L C++.
3423 * cfns.gperf: Remove prototypes for hash and libc_name_p
3425 * cfns.h: Regenerated.
3426 * except.c (nothrow_libfn_p): Adjust.
3428 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3431 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3432 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3434 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3437 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3439 * semantics.c (finish_call_expr): Don't assume a constructor
3440 call is dependent if only the "this" pointer is dependent. When
3441 building a constructor call, always use a dummy object.
3443 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3446 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3448 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3449 operators if folding preserved the binop, just with different
3453 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3454 attr_spec is always single element chain, chain all the attributes
3455 properly together in the right order.
3457 2016-02-18 Jason Merrill <jason@redhat.com>
3459 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3461 (mangle_decl): Call maybe_check_abi_tags for function scope.
3462 (mangle_guard_variable): Call maybe_check_abi_tags here.
3463 (write_guarded_var_name): Not here.
3465 2016-02-17 Jason Merrill <jason@redhat.com>
3468 * constexpr.c (build_constexpr_constructor_member_initializers):
3469 Handle an additional STATEMENT_LIST.
3472 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3475 * decl2.c (reset_type_linkage_2): Look through member templates.
3477 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3480 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3482 2016-02-17 Jason Merrill <jason@redhat.com>
3485 * method.c (forward_parm): Split out from...
3486 (add_one_base_init): ...here.
3487 * lambda.c (maybe_add_lambda_conv_op): Use it.
3489 2016-02-16 Jason Merrill <jason@redhat.com>
3493 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3494 tree.c, typeck2.c: Revert earlier changes.
3495 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3496 non-type templates after -> or .
3498 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3501 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3503 2016-02-16 Jason Merrill <jason@redhat.com>
3506 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3507 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3508 * name-lookup.h: Adjust.
3510 2016-02-16 James Norris <jnorris@codesourcery.com>
3512 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3513 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3515 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3518 * init.c (expand_default_init): Only call reshape_init
3519 in the direct-initialization from an initializer list case.
3521 2016-02-15 Jason Merrill <jason@redhat.com>
3524 * semantics.c (finish_call_expr): Implicit 'this' does not make
3526 * search.c (any_dependent_bases_p): Split out...
3527 * name-lookup.c (do_class_using_decl): ...from here.
3528 * call.c (build_new_method_call_1): Don't complain about missing object
3529 if there are dependent bases. Tweak error.
3530 * tree.c (non_static_member_function_p): Remove.
3531 * pt.c (type_dependent_expression_p): A member template of a
3532 dependent type is dependent.
3533 * cp-tree.h: Adjust.
3536 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3538 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3541 * pt.c (lookup_and_finish_template_variable): New function,
3543 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3544 (tsubst_qualified_id): Consider that EXPR might be a variable
3546 * typeck.c (check_template_keyword): Don't emit an error
3547 if DECL is a variable template.
3549 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3551 * error.c: Spelling fixes - behaviour -> behavior and
3552 neighbour -> neighbor.
3554 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3556 * init.c (build_delete): Likewise.
3558 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3561 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3562 arguments for -Waddress warning. Fix up formatting.
3564 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3567 * pt.c (lookup_template_class_1): Check tsubst return value for
3570 2016-02-10 Jason Merrill <jason@redhat.com>
3573 * pt.c (resolve_nondeduced_context): Add complain parm.
3574 (do_auto_deduction): Pass it.
3575 * cvt.c (convert_to_void): Likewise.
3576 * decl.c (cp_finish_decl): Likewise.
3577 * init.c (build_new): Likewise.
3578 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3579 * semantics.c (finish_decltype_type): Likewise.
3580 * typeck.c (decay_conversion): Likewise.
3581 * cp-tree.h: Adjust declaration.
3582 * call.c (standard_conversion): Add complain parm, pass it along.
3583 (implicit_conversion): Pass it.
3586 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3587 (lookup_name_real_1): Likewise.
3588 (remove_hidden_names): Handle non-functions too.
3591 * parser.c (cp_parser_lookup_name): When looking for a template
3592 after . or ->, only consider class templates.
3593 (cp_parser_postfix_dot_deref_expression): Handle the current
3594 instantiation. Remember a dependent object expression.
3595 * typeck2.c (build_x_arrow): Handle the current instantiation.
3597 * ptree.c (debug_tree): Implement for cp_expr.
3599 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3602 * parser.c (cp_parser_simple_type_specifier): Make the check
3603 for disambiguating between an 'auto' placeholder and an implicit
3604 template parameter more robust.
3606 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3610 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3611 setting its TREE_USED flag.
3613 2016-02-08 Jason Merrill <jason@redhat.com>
3616 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3619 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3622 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3623 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3625 2016-02-08 Marek Polacek <polacek@redhat.com>
3628 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3629 Call clear_fold_cache.
3630 * cp-tree.h: Adjust declaration.
3631 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3632 rather than clear_cv_cache and clear_fold_cache.
3633 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3635 2016-02-08 Jason Merrill <jason@redhat.com>
3637 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3638 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3639 (ocp_convert): Use *_maybe_fold.
3640 (cp_convert_to_pointer): Add dofold parameter.
3641 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3643 2016-02-05 Martin Sebor <msebor@redhat.com>
3646 * init.c (find_field_init): New function.
3647 (warn_placement_new_too_small): Call it. Handle one-element arrays
3648 at ends of structures special.
3650 2016-02-05 Jason Merrill <jason@redhat.com>
3653 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3654 make sure we've seen_error().
3656 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3659 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3660 if lookup_fnfields returns NULL_TREE and the name being looked
3661 up has the form A::A.
3663 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3665 * constexpr.c (cxx_eval_binary_expression): Fold equality
3666 comparisons involving PTRMEM_CSTs.
3668 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3670 * class.c (find_flexarrays): Don't declare dom variable.
3671 (diagnose_flexarray): Likewise.
3673 2016-02-02 Martain Sebor <msebor@redhat.com>
3680 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3681 of a flexible array member for equality to null.
3682 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3683 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3684 (check_flexarrays): Same.
3685 * decl.c (compute_array_index_type): Avoid special case for flexible
3687 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3689 * error.c (dump_type_suffix): Revert changes introduced in r231665
3690 and rendered unnecessary by the changes above.
3691 * pt.c (tsubst): Same.
3692 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3693 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3694 (process_init_constructor_array): Same.
3695 (process_init_constructor_record): Same.
3697 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3700 * pt.c (try_one_overload): Handle comparing argument packs so
3701 that there is no conflict if we deduced more arguments of an
3702 argument pack than were explicitly specified.
3704 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3705 Jason Merrill <jason@redhat.com>
3708 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3709 function type if nothing is changing.
3711 2016-01-31 Jason Merrill <jason@redhat.com>
3714 * pt.c (partial_specialization_p, impartial_args): New.
3715 (instantiate_decl): Call impartial_args.
3717 * mangle.c (maybe_check_abi_tags): New.
3718 (write_guarded_var_name): Call it.
3719 (mangle_ref_init_variable): Call check_abi_tags.
3721 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3722 between template and instantiation.
3724 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3727 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3728 function declarations.
3730 2016-01-29 Marek Polacek <polacek@redhat.com>
3734 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3735 out of bound" error earlier.
3736 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3739 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3741 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3742 structure, update free_binding_level before the structure's
3743 level_chain field gets cleared, not after.
3745 2016-01-28 Jason Merrill <jason@redhat.com>
3748 * search.c (dfs_walk_once, dfs_walk_once_r)
3749 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3750 hash_set instead of BINFO_MARKED.
3751 (dfs_unmark_r): Remove.
3753 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3756 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3757 (cp_lexer_debugging_p): Use it.
3758 (cp_lexer_start_debugging): Likewise.
3759 (cp_lexer_stop_debugging): Likewise.
3761 2016-01-27 Marek Polacek <polacek@redhat.com>
3764 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3765 needed. Add -Wsign-compare warning.
3767 2016-01-27 Ryan Burn <contact@rnburn.com>
3770 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3771 superfluous post_p argument in call to
3772 cilk_gimplify_call_params_in_spawned_fn.
3774 2016-01-27 Marek Polacek <polacek@redhat.com>
3777 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3778 wrapped in NOP_EXPRs.
3780 2016-01-27 Martin Sebor <msebor@redhat.com>
3783 * mangle.c (mangle_decl): Reference the correct (saved) version
3784 of the ABI in -Wabi diagnostics.
3786 2016-01-27 Marek Polacek <polacek@redhat.com>
3789 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3790 elements of the array.
3792 2016-01-26 Jason Merrill <jason@redhat.com>
3795 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3796 (cxx_eval_call_expression): Don't look through clones.
3797 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3798 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3799 maybe-in-charge *tor.
3801 2016-01-26 Jason Merrill <jason@redhat.com>
3804 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3805 and TREE_SIDE_EFFECTS.
3806 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3807 verify_constructor_flags.
3809 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3812 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3813 return error_mark_node instead of building trees with error_mark_node
3816 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3819 * error.c (print_instantiation_partial_context_line): Add missing
3820 newlines from output for the t == NULL case.
3821 (print_instantiation_partial_context): Remove call to pp_newline.
3823 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3826 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3831 * decl.c (grokdeclarator): Don't decay array parameter type to
3832 a pointer type if it's dependent.
3833 (grokparms): Invoke strip_top_quals instead of directly invoking
3834 cp_build_qualified_type.
3835 * pt.c (decay_dependent_array_parm_type): New static function.
3836 (type_unification_real): Call decay_dependent_array_parm_type
3837 to decay a dependent array parameter type to its corresponding
3838 pointer type before unification.
3839 (more_specialized_fn): Likewise.
3840 (get_bindings): Likewise.
3841 * tree.c (cp_build_qualified_type): Trivial typofix in
3844 2016-01-23 Martin Sebor <msebor@redhat.com>
3848 * decl2.c (is_late_template_attribute): Handle dependent argument
3849 to attribute align and attribute vector_size.
3851 2016-01-21 Jason Merrill <jason@redhat.com>
3854 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3855 for init-capture, too.
3858 * decl.c (type_is_deprecated): Don't look into a typedef.
3862 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3865 * decl.c (start_enum): Add attributes parameter.
3866 * parser.c (cp_parser_enum_specifier): Pass it.
3867 * pt.c (lookup_template_class_1): Pass it.
3868 * cp-tree.h: Adjust.
3870 2016-01-19 Jason Merrill <jason@redhat.com>
3873 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3875 2016-01-19 Marek Polacek <polacek@redhat.com>
3878 * constexpr.c (clear_cv_cache): New.
3879 * cp-gimplify.c (clear_fold_cache): New.
3880 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3881 * decl.c (finish_enum_value_list): Call them.
3884 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3886 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3891 * decl.c (grokdeclarator): Don't decay array parameter type to
3892 a pointer type if it's dependent.
3893 (grokparms): Invoke strip_top_quals instead of directly invoking
3894 cp_build_qualified_type.
3895 * pt.c (decay_dependent_array_parm_type): New static function.
3896 (type_unification_real): Call decay_dependent_array_parm_type
3897 to decay a dependent array parameter type to its corresponding
3898 pointer type before unification.
3899 (more_specialized_fn): Likewise.
3900 (get_bindings): Likewise.
3901 * tree.c (cp_build_qualified_type): Trivial typofix in
3904 2016-01-18 Jason Merrill <jason@redhat.com>
3906 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
3908 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
3911 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
3912 (contains_label_1, contains_label_p): Remove.
3914 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3917 * pt.c (type_dependent_expression_p): For a function template
3918 specialization, a type is dependent iff any of its template
3921 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3923 * cp-array-notation.c (cp_expand_cond_array_notations): Return
3924 error_mark_node only if find_rank failed, not if it was
3927 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3930 * tree.c (build_min_non_dep_call_vec): Don't retain the
3931 KOENIG_LOOKUP_P flag of the non-dependent expression that's
3933 (build_min_non_dep_op_overload): Instead, do it here.
3935 2016-01-15 Jakub Jelinek <jakub@redhat.com>
3938 * parser.h (cp_token): Remove pragma_kind field. Add comment
3939 with number of unused bits.
3940 * parser.c (eof_token): Remove pragma_kind field initializer.
3941 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
3942 field, don't clear CPP_PRAGMA u.value.
3943 (cp_parser_pragma_kind): New function.
3944 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
3945 cp_parser_omp_construct, cp_parser_initial_pragma,
3946 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
3949 2016-01-15 Jason Merrill <jason@redhat.com>
3952 * call.c (build_cxx_call): Use fold_non_dependent_expr.
3954 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
3958 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
3959 array/function-to-pointer conversion. Call
3960 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
3961 * call.c (convert_like_real): Print call context if
3962 decay_conversion errors.
3964 2016-01-14 Tom de Vries <tom@codesourcery.com>
3966 PR tree-optimization/68773
3967 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
3970 2016-01-14 Jason Merrill <jason@redhat.com>
3973 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
3975 2016-01-12 Marek Polacek <polacek@redhat.com>
3978 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
3979 error_at and adjust the return value.
3981 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3985 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
3986 GS_ERROR whenever seen_error (), only if *expr_p contains
3987 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
3991 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
3993 2016-01-11 Jason Merrill <jason@redhat.com>
3996 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
3997 (process_subob_fn): Likewise. Don't consider triviality if true.
3998 (synthesize_method_walk): Pass it.
4000 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4003 * parser.c (cp_parser_postfix_expression): Initialize
4004 close_paren_loc to UNKNOWN_LOCATION; only use it if
4005 it has been written to by
4006 cp_parser_parenthesized_expression_list.
4007 (cp_parser_parenthesized_expression_list): Document the behavior
4008 with respect to the CLOSE_PAREN_LOC param.
4010 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4013 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4014 folded operands have side-effects, but folding changed any of them,
4015 build a new tree with the folded operands instead of returning the
4018 2016-01-09 Marek Polacek <polacek@redhat.com>
4021 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4023 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4026 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4028 2016-01-08 Jason Merrill <jason@redhat.com>
4031 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4034 2016-01-08 Marek Polacek <polacek@redhat.com>
4037 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4039 2016-01-08 Jason Merrill <jason@redhat.com>
4041 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4046 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4047 TREE_ADDRESSABLE type.
4051 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4053 2016-01-05 Nathan Sidwell <nathan@acm.org>
4056 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4059 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4061 Update copyright years.
4063 Copyright (C) 2016 Free Software Foundation, Inc.
4065 Copying and distribution of this file, with or without modification,
4066 are permitted in any medium without royalty provided the copyright
4067 notice and this notice are preserved.