1 2016-11-17 Jason Merrill <jason@redhat.com>
3 PR c++/78124 - list-initialization and inherited ctor
4 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
6 PR c++/78369 - {} as default argument
7 * call.c (build_special_member_call): Handle CONSTRUCTOR.
10 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
12 2016-11-16 Jason Merrill <jason@redhat.com>
15 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
16 * typeck2.c (store_init_value): Likewise.
18 * decl.c (store_decomp_type, lookup_decomp_type): New.
19 (cp_finish_decomp): Call store_decomp_type.
20 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
21 * cp-tree.h: Declare lookup_decomp_type.
23 2016-11-15 Jakub Jelinek <jakub@redhat.com>
25 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
26 set DECL_ASSEMBLER_NAME.
27 * parser.c (cp_parser_decomposition_declaration): Likewise
28 if returning error_mark_node.
29 * mangle.c (mangle_decomp): New function.
30 * cp-tree.h (mangle_decomp): New declaration.
32 2016-11-15 Jason Merrill <jason@redhat.com>
35 * semantics.c (finish_decltype_type): Strip references for a tuple
37 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
39 * decl2.c (decl_maybe_constant_var_p): References qualify.
40 * constexpr.c (non_const_var_error): Handle references.
41 * init.c (constant_value_1): Always check decl_constant_var_p.
42 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
43 * error.c (dump_decl_name): Split out from dump_decl.
45 2016-11-14 Jason Merrill <jason@redhat.com>
47 * tree.c (bitfield_p): New.
48 * cp-tree.h: Declare it.
49 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
50 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
51 * decl.c (cp_finish_decomp): Look through reference. Always
52 SET_DECL_DECOMPOSITION_P.
53 * semantics.c (finish_decltype_type): Adjust decomposition handling.
55 2016-11-13 Jakub Jelinek <jakub@redhat.com>
56 Jason Merrill <jason@redhat.com>
58 Implement P0217R3 - C++17 structured bindings
59 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
60 (DECL_DECOMPOSITION_P): New
61 (enum auto_deduction_context): Add adc_decomp_type.
62 (enum cp_declarator_kind): Add cdk_decomp.
63 * constexpr.c (cxx_eval_constant_expression): Look through
65 (potential_constant_expression_1): Likewise.
66 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
67 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
68 (cp_finish_decl): Pass adc_decomp_type for decomposition.
69 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
70 (get_tuple_decomp_init, cp_finish_decomp): New.
71 (grokdeclarator): Handle decomposition.
72 * init.c (build_aggr_init): Handle decomposition array.
73 (build_vec_init): Handle initialization from { array }.
74 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
76 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
77 (function_declarator_p, strip_declarator_types)
78 (cp_parser_check_declarator_template_parameters): Likewise.
79 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
80 (cp_parser_simple_declaration): Parse decomposition.
81 (cp_parser_decomposition_declaration): New.
82 * pt.c (tsubst_decomp_names): New.
83 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
84 (do_auto_deduction): Handle adc_decomp_type.
85 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
86 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
87 * tree.c (lvalue_kind): Likewise.
88 (cp_build_reference_type): Handle reference collapsing.
90 2016-11-13 Jason Merrill <jason@redhat.com>
92 * call.c (build_new_method_call_1): Include template arguments in
94 (print_error_for_call_failure): Likewise.
95 (build_new_function_call): Pass them in.
96 * name-lookup.c (supplement_binding_1): Don't complain about a
97 conflict with an erroneous declaration.
98 * error.c (dump_decl): Fix printing of alias declaration.
99 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
100 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
101 * semantics.c (perform_koenig_lookup): Don't wrap an error in
104 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
107 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
109 2016-11-12 Jason Merrill <jason@redhat.com>
112 * typeck.c (convert_arguments): Handle default arg followed by none.
114 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
115 IMAGPART_EXPR can be lvalues.
119 * pt.c (check_specialization_namespace): Allow any enclosing
121 (check_unqualified_spec_or_inst): New.
122 (check_explicit_specialization): Call it.
123 * parser.c (cp_parser_elaborated_type_specifier)
124 (cp_parser_class_head): Call it.
126 2016-11-10 Jason Merrill <jason@redhat.com>
129 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
130 (instantiate_decl): It's OK to defer a constexpr function.
131 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
133 * decl2.c (decl_defined_p): Use it. No longer static.
134 * decl.c (redeclaration_error_message): Use decl_defined_p.
135 * constexpr.c (cxx_eval_call_expression): Set input_location around
136 call to instantiate_decl.
138 2016-11-10 Jakub Jelinek <jakub@redhat.com>
140 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
141 public or external symbols.
143 2016-11-09 Jakub Jelinek <jakub@redhat.com>
146 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
148 2016-11-09 Jason Merrill <jason@redhat.com>
150 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
151 for template template parameter.
152 (cp_parser_type_id_1): Improve diagnostic.
153 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
154 * pt.c (splice_late_return_type): Not here.
155 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
156 (do_class_deduction): Handle non-class templates.
158 Implement P0127R2, Declaring non-type parameters with auto.
159 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
160 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
162 * pt.c (do_auto_deduction): Add outer_targs parameter.
163 (convert_template_argument): Call do_auto_deduction. If adc_unify,
164 don't give up on dependent init.
165 (unify): Likewise. In C++17, walk into the type of a
167 (for_each_template_parm): Add any_fn parameter.
168 (struct pair_fn_data): Likewise.
169 (for_each_template_parm_r): Call it for any tree. In C++17, walk
170 into the type of a TEMPLATE_PARM_INDEX.
171 (zero_r, array_deduction_r, try_array_deduction): New.
172 (type_unification_real): Call try_array_deduction.
173 (get_partial_spec_bindings): Likewise.
175 2016-11-07 Jason Merrill <jason@redhat.com>
177 Implement P0012R1, Make exception specifications part of the type
179 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
180 (flag_noexcept_type, ce_type): New.
181 * call.c (build_conv): Add ck_fnptr.
182 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
183 (convert_like_real): Likewise.
184 (standard_conversion): Likewise. Allow function pointer
185 conversions for pointers to member functions.
186 (reference_compatible_p): Allow function pointer conversions.
187 (direct_reference_binding): Likewise.
188 (reference_binding): Reference-compatible is no longer a subset of
190 (is_subseq): Also strip ck_lvalue after next_conversion.
191 * class.c (instantiate_type): Check fnptr_conv_p.
192 (resolve_address_of_overloaded_function): Likewise.
193 * cvt.c (can_convert_tx_safety): Now static.
194 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
195 * decl.c (flag_noexcept_type): Define.
196 (cxx_init_decl_processing): Set it.
197 (bad_specifiers): Check it.
198 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
199 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
201 * mangle.c (struct globals): Add need_cxx1z_warning.
202 (mangle_decl): Check it.
203 (write_exception_spec): New.
204 (write_function_type): Call it.
205 (canonicalize_for_substitution): Handle exception spec.
206 (write_type): Likewise.
207 (write_encoding): Set processing_template_decl across mangling of
208 partially-instantiated type.
209 * pt.c (determine_specialization): Pass tf_fndecl_type.
210 (tsubst_decl, fn_type_unification): Likewise.
211 (tsubst): Strip tf_fndecl_type, pass it to
212 tsubst_exception_specification.
213 (convert_nontype_argument_function): Handle function pointer
215 (convert_nontype_argument): Likewise.
216 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
217 * rtti.c (ptr_initializer): Encode noexcept.
218 * tree.c (canonical_eh_spec): New.
219 (build_exception_variant): Use it.
220 * typeck.c (composite_pointer_type): Handle fnptr conversion.
221 (comp_except_specs): Compare canonical EH specs.
222 (structural_comptypes): Call it.
224 * call.c (standard_conversion): Reorganize pointer conversions.
225 * pt.c (convert_nontype_argument_function): Convert to ref here.
226 (convert_nontype_argument): Not here.
227 (convert_template_argument): Add original type to error message.
228 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
229 (unify): Compare function-qualifiers.
230 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
231 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
233 * pt.c (push_tinst_level_loc): Add template instantiations to the
234 announce_function stream.
236 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
239 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
240 to suppress unwanted warnings.
242 2016-11-03 Jason Merrill <jason@redhat.com>
245 * call.c (convert_default_arg): Look through inheriting ctors.
247 2016-11-03 Jakub Jelinek <jakub@redhat.com>
248 Alexandre Oliva <aoliva@redhat.com>
249 Jason Merrill <jason@redhat.com>
253 * tree.c (cp_check_qualified_type): Use check_base_type and
254 TYPE_QUALS comparison instead of check_qualified_type.
255 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
256 * cp-objcp-common.c (cp_get_debug_type): New function.
257 (cp_decl_dwarf_attribute): Don't handle types here.
258 (cp_type_dwarf_attribute): New function.
259 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
261 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
264 2016-11-03 Jason Merrill <jason@redhat.com>
266 * tree.c (cp_check_qualified_type): Call check_base_type instead
267 of check_qualified_type.
268 (cxx_type_hash_eq): Check ref-qualifiers.
269 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
271 2016-11-01 Jason Merrill <jason@redhat.com>
273 Implement P0136R1, Rewording inheriting constructors.
274 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
275 (inherited_ctor_rejection): New.
276 (add_function_candidate): Reject inherited ctors for copying.
277 (enforce_access): Use strip_inheriting_ctors.
278 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
279 (convert_like_real): Avoid copying inheriting ctor parameters.
280 (build_over_call): Likewise. A base ctor inheriting from vbase
281 has no parms. Sorry about varargs.
282 (joust): A local constructor beats inherited with the same convs.
283 * class.c (add_method): Handle hiding inheriting ctors.
284 (one_inherited_ctor): Handle new semantics.
285 (add_implicitly_declared_members): Pass using_decl down.
286 (build_clone): A base ctor inheriting from vbase has no parms.
287 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
288 (SET_DECL_INHERITED_CTOR): Likewise.
289 (DECL_INHERITED_CTOR_BASE): Adjust.
290 * constexpr.c: Adjust.
291 * error.c (dump_function_decl): Decorate inheriting ctors.
292 * init.c (emit_mem_initializers): Suppress access control in
294 * mangle.c (write_special_name_constructor): Handle new inheriting
296 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
297 (ctor_omit_inherited_parms, binfo_inherited_from): New.
298 (synthesized_method_walk): Use binfo_inherited_from. Suppress
299 access control in inheriting ctor.
300 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
301 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
302 (add_one_base_init, do_build_copy_constructor): Adjust.
303 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
304 (implicitly_declare_fn): Adjust.
305 (get_inherited_ctor): Remove.
306 * name-lookup.c (do_class_using_decl): Check for indirect ctor
308 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
309 (maybe_clone_body): Handle omitted parms in base clone.
310 (maybe_thunk_body): Don't thunk if base clone omits parms.
311 * pt.c (tsubst_decl): Adjust.
312 (instantiate_template_1): Suppress access control in inheriting
314 (fn_type_unification): Do deduction with inherited ctor.
315 * tree.c (special_function_p): Adjust.
317 2016-11-01 Jakub Jelinek <jakub@redhat.com>
319 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
321 2016-11-01 Jason Merrill <jason@redhat.com>
323 * class.c (declared_access): Split out from handle_using_decl.
325 2016-10-31 Jakub Jelinek <jakub@redhat.com>
328 * parser.c (cp_parser_postfix_expression): Replace return statement in
329 the first switch with setting postfix_expression to the return
330 expression and break;.
333 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
334 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
335 (tsubst_expr) <case LABEL_EXPR>: Likewise.
337 2016-09-11 Le-Chun Wu <lcwu@google.com>
338 Mark Wielaard <mjw@redhat.com>
340 * name-lookup.c (pushdecl_maybe_friend): When emitting a
341 shadowing warning, use the code corresponding to the
342 given -Wshadow= variant.
344 2016-10-26 Jason Merrill <jason@redhat.com>
346 * class.c (add_method): Allow using-declarations to coexist.
348 2016-10-25 Jason Merrill <jason@redhat.com>
350 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
351 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
352 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
353 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
355 2016-10-25 Jakub Jelinek <jakub@redhat.com>
357 * parser.c (cp_parser_postfix_expression): Adding missing break;.
359 * cp-tree.h (finish_builtin_launder): Declare.
360 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
361 * semantics.c (finish_builtin_launder): New function.
362 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
363 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
364 (potential_constant_expression_1): Likewise.
366 2016-10-24 Jakub Jelinek <jakub@redhat.com>
368 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
369 and DW_AT_rvalue_reference.
371 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
372 instead of TREE_CODE (x) == VAR_DECL.
373 * constraint.cc (get_concept_definition): Likewise.
374 (finish_shorthand_constraint): Likewise.
375 * init.c (warn_placement_new_too_small): Likewise.
376 * cp-gimplify.c (cp_genericize_r): Likewise.
378 2016-10-21 Jason Merrill <jason@redhat.com>
381 * pt.c (convert_template_argument): Call convert_nontype_argument
382 on value-dependent but not type-dependent arguments.
383 (convert_nontype_argument): Handle value-dependent arguments.
384 (canonicalize_expr_argument): New.
385 (deducible_expression, unify): Skip CONVERT_EXPR.
386 * error.c (dump_template_argument): Likewise.
387 * mangle.c (write_expression): Likewise.
389 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
391 2016-10-21 Jakub Jelinek <jakub@redhat.com>
393 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
396 2016-10-17 Jakub Jelinek <jakub@redhat.com>
398 * cp-objcp-common.h (cp_function_decl_explicit_p,
399 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
400 (cp_decl_dwarf_attribute): Declare.
401 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
402 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
403 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
404 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
405 * cp-objcp-common.c (cp_function_decl_explicit_p,
406 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
407 (cp_decl_dwarf_attribute): New function.
409 2016-10-15 Jason Merrill <jason@redhat.com>
412 * constexpr.c (maybe_simplify_trivial_copy): New.
413 (cxx_eval_store_expression): Call it.
414 * call.c (build_over_call): Use unsigned char for trivial copy.
416 2016-10-14 Jason Merrill <jason@redhat.com>
418 Implement P0017R1, C++17 aggregates with bases.
419 * class.c (build_base_field_1): Split out from...
420 (build_base_field): ...here. In C++17 mode, build a field for
422 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
423 (next_initializable_field): Allow base fields in C++17.
424 * typeck2.c (process_init_constructor_record): Likewise.
426 2016-10-14 Jakub Jelinek <jakub@redhat.com>
428 DR 1511 - const volatile variables and ODR
429 * decl.c (grokvardecl): Change flags argument to type_quals,
430 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
431 (grokdeclarator): Adjust grokvardecl caller.
433 2016-10-13 Martin Sebor <msebor@redhat.com>
436 * class.c (struct flexmems_t): Add members.
437 (find_flexarrays): Add arguments. Correct handling of anonymous
439 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
440 (check_flexarrays): Add argument.
441 (diagnose_invalid_flexarray): New functions.
443 2016-10-13 Jakub Jelinek <jakub@redhat.com>
444 Jason Merrill <jason@redhat.com>
446 Implement P0386R2 - C++17 inline variables
447 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
448 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
449 (DECL_VAR_DECLARED_INLINE_P): Define.
450 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
451 (DECL_INLINE_VAR_P): Define.
452 (diagnose_inline_vars_for_namespace): Declare.
453 * decl.c (diagnose_inline_vars_for_namespace): New function.
454 (duplicate_decls): For static data members copy
455 DECL_DECLARED_CONSTEXPR_P.
456 (redeclaration_error_message): Handle C++17 redundant redeclaration
457 of constexpr static data member outside of class.
458 (maybe_commonize_var): Handle inline variables.
459 (check_initializer): Ignore inline variables for diagnostics.
460 Adjust diagnostic wording for C++17.
461 (make_rtl_for_nonlocal_decl): Allow in-class definition of
462 inline static data members.
463 (bad_specifiers): Don't diagnose inline on variables here.
464 (grokvardecl): Add inlinep argument, non-static const inline variables
466 (check_static_variable_definition): Return early also for inline
468 (mark_inline_variable): New.
469 (grokdeclarator): Handle inline variables and inline static data
471 * typeck2.c (store_init_value): Don't diagnose non-constant
472 initializers for non-constexpr inline static data members.
473 * decl2.c (vague_linkage_p): Return true for inline variables.
474 (c_parse_final_cleanups): In-class declaration of inline static
475 data members is a definition. Call diagnose_inline_vars_for_namespace
476 through walk_namespaces.
477 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
478 of inline static data members.
480 2016-10-13 Jason Merrill <jason@redhat.com>
482 * decl.c (mark_inline_variable): New.
485 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
487 * decl2.c: Include memmodel.h.
490 2016-10-11 Jason Merrill <jason@redhat.com>
493 * init.c (build_new_1): Don't -Waligned-new about placement new.
494 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
495 * decl.c (cxx_init_decl_processing): New.
497 2016-10-10 Jason Merrill <jason@redhat.com>
501 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
502 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
504 2016-10-08 Jason Merrill <jason@redhat.com>
506 * cp-gimplify.c (cp_fold): Add variable name.
508 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
511 2016-10-07 Jason Merrill <jason@redhat.com>
513 Further P0135 refinement.
514 * call.c (build_user_type_conversion_1): Consider conversions from
515 a single element in an initializer-list.
516 (build_temp): Undo early_elide_copy change.
517 (build_over_call): Check that we don't try to copy a TARGET_EXPR
518 in C++17 mode. Set user_conv_p here.
519 (convert_like_real): Not here.
520 (check_self_delegation): Split out from...
521 (build_special_member_call): ...here. Handle C++17 copy elision.
522 * cvt.c (early_elide_copy): Remove.
523 (ocp_convert): Undo early_elide_copy change.
524 * except.c (build_throw): Likewise.
525 * init.c (expand_default_init): Likewise.
526 * typeck.c (cp_build_modify_expr): Likewise.
528 2016-10-07 Nathan Sidwell <nathan@acm.org>
532 * init.c (emit_mem_initializers): Don't construct vbases of
534 (push_base_cleanups): Don't push vbase cleanups for abstract class
536 * method.c (synthethesized_method_walk): Don't walk vbases of
537 abstract classes when in C++14 mode.
539 2016-10-07 Jakub Jelinek <jakub@redhat.com>
541 Implement LWG2296 helper intrinsic
542 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
543 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
544 * constexpr.c (potential_constant_expression_1): Likewise.
545 * error.c (dump_expr): Likewise.
546 * typeck.c (cp_build_addressof): New function.
547 * cp-tree.h (cp_build_addressof): Declare.
548 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
549 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
550 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
551 ADDRESSOF_EXPR. Add __builtin_addressof and
552 __has_unique_object_representations into syntax in function comment.
553 (pp_cxx_addressof_expression): New function.
554 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
556 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
559 * parser.c (cp_parser_base_specifier): Fix a warning.
561 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
564 * decl.c (grokdeclarator): Try to find the correct location for an
567 2016-10-07 Martin Liska <mliska@suse.cz>
569 * lambda.c (maybe_add_lambda_conv_op): Set default value.
571 2016-10-06 Jason Merrill <jason@redhat.com>
573 * call.c (build_temp, convert_like_real): Don't re-copy
574 TARGET_EXPR. Handle packed fields.
575 (build_x_va_arg): Wrap it in a TARGET_EXPR.
576 (build_over_call): Add sanity check.
577 * cvt.c (early_elide_copy): New.
578 (ocp_convert): Use it.
579 * except.c (build_throw): Use it.
580 * init.c (get_nsdmi): Put back the TARGET_EXPR.
581 (expand_default_init): Call early_elide_copy.
582 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
584 2016-10-06 Jakub Jelinek <jakub@redhat.com>
586 Implement P0258R2 - helper for C++17
587 std::has_unique_object_representations trait
588 * cp-tree.h (enum cp_trait_kind): Add
589 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
590 (struct lang_type_class): Add unique_obj_representations
591 and unique_obj_representations_set bitfields.
592 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
593 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
594 (type_has_unique_obj_representations): Declare.
595 * parser.c (cp_parser_primary_expression): Handle
596 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
597 (cp_parser_trait_expr): Likewise. Formatting fix.
598 * semantics.c (trait_expr_value, finish_trait_expr): Handle
599 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
600 * tree.c (type_has_unique_obj_representations): New function.
601 (record_has_unique_obj_representations): New function.
602 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
603 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
605 2016-10-05 Jason Merrill <jason@redhat.com>
607 Implement P0135R1, Guaranteed copy elision.
608 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
611 * call.c (reference_binding): Fix binding to member of temporary.
613 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
615 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
617 * semantics.c (finish_compound_literal): Handle class placeholder.
619 2016-10-05 Marek Polacek <polacek@redhat.com>
621 Implement P0305R1, Selection statements with initializer.
622 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
623 instead of finish_for_init_stmt.
624 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
625 * decl.c (poplevel): Adjust a comment.
626 * init.c (build_vec_init): Call finish_init_stmt instead of
627 finish_for_init_stmt.
628 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
629 * name-lookup.h (enum scope_kind): Likewise.
630 * parser.c (cp_parser_statement): Update commentary.
631 (cp_parser_init_statement_p): New function.
632 (cp_parser_selection_statement): Parse the optional init-statement.
633 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
634 (cp_parser_c_for): Likewise.
635 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
636 (cp_parser_range_for_member_function): Update commentary.
637 (cp_parser_iteration_statement):
638 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
639 * pt.c (tsubst_omp_for_iterator): Update commentary.
640 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
641 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
644 2016-10-04 Jason Merrill <jason@redhat.com>
647 * pt.c (do_class_deduction): Handle list-initialization.
648 (do_auto_deduction): Call it sooner.
649 (build_deduction_guide): Use tsubst_arg_types.
650 (rewrite_template_parm): Don't copy_type.
653 * constexpr.c (cxx_eval_component_reference): Use name matching
656 Implement P0091R2, Template argument deduction for class templates.
657 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
658 Use the location of the beginning of the type-specifier.
659 (cp_parser_init_declarator): Parse deduction guide.
660 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
661 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
662 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
663 * decl.c (grokdeclarator): Check for uninitialized auto here.
664 (start_decl_1): Not here.
665 (cp_finish_decl): Or here. Don't collapse a list when doing
667 (grokfndecl): Check deduction guide scope and body.
668 * error.c (dump_decl, dump_function_decl, dump_function_name):
669 Handle deduction guides.
670 * pt.c (make_template_placeholder, do_class_deduction): New.
671 (build_deduction_guide, rewrite_template_parm): New.
672 (dguide_name, dguide_name_p, deduction_guide_p): New.
673 (do_auto_deduction): Call do_class_deduction.
674 (splice_late_return_type, is_auto): Handle class placeholders.
675 (template_parms_level_to_args): Split from template_parms_to_args.
676 (tsubst_template_parms_level): Split from tsubst_template_parms.
677 * typeck2.c (build_functional_cast): Handle class placeholder.
679 2016-10-04 Martin Sebor <msebor@redhat.com>
682 * init.c (warn_placement_new_too_small): Avoid assuming an array type
685 2016-10-04 Jakub Jelinek <jakub@redhat.com>
688 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
689 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
692 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
693 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
694 (java_byte_type_node, java_short_type_node, java_int_type_node,
695 java_long_type_node, java_float_type_node, java_double_type_node,
696 java_char_type_node, java_boolean_type_node, lang_name_java,
697 jclass_node): Remove.
698 (enum languages): Remove lang_java.
699 (TYPE_FOR_JAVA): Remove.
700 (struct lang_type_class): Remove java_interface bit-field.
701 (TYPE_JAVA_INTERFACE): Remove.
702 (pragma_java_exceptions): Remove.
703 (check_java_method, build_java_class_ref): Remove prototypes.
704 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
705 * decl2.c (acceptable_java_type, check_java_method): Remove.
706 (import_export_decl): Remove TYPE_FOR_JAVA handling.
707 (build_java_method_aliases): Remove.
708 (c_parse_final_cleanups): Don't call build_java_method_aliases.
709 (possibly_inlined_p): Don't test pragma_java_exceptions.
710 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
711 (build_java_class_ref): Remove.
712 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
713 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
714 * except.c (eh_type_info): Remove java type handling.
715 (decl_is_java_type, choose_personality_routine): Remove.
716 (initialize_handler_parm): Don't call choose_personality_routine.
717 (expand_start_catch_block): Don't handle java types.
718 (build_throw): Likewise.
719 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
720 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
721 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
722 (java_iface_lookup_fn): Remove.
723 (build_java_interface_fn_ref): Remove.
724 * tree.c (cxx_attribute_table): Remove java_interface.
725 (handle_java_interface_attribute): Remove.
726 * lex.c (pragma_java_exceptions): Remove.
727 (init_cp_pragma): Don't register GCC java_exceptions pragma.
728 (handle_pragma_java_exceptions): Remove.
729 (retrofit_lang_decl): Don't handle lang_name_java.
730 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
731 * error.c (language_to_string): Don't handle lang_java.
732 * decl.c (record_builtin_java_type): Remove.
733 (initialize_predefined_identifiers): Remove Java.
734 (cxx_init_decl_processing): Remove java_*_type_node.
735 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
736 (grokfndecl): Likewise.
737 (check_special_function_return_type): Likewise.
738 (grokdeclarator): Don't set TYPE_FOR_JAVA.
739 (grokparms): Don't handle TYPE_FOR_JAVA.
740 (xref_basetypes): Likewise.
741 (check_function_type): Likewise.
742 (finish_constructor_body): Likewise.
743 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
744 and java_*_type_node.
745 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
746 (write_java_integer_type_codes): Remove.
747 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
748 (add_implicitly_declared_members, determine_key_method,
749 finish_struct_1): Likewise.
750 (push_lang_context): Don't handle lang_name_java.
752 2016-10-03 Marek Polacek <polacek@redhat.com>
755 * typeck.c (cp_build_binary_op): Pass original operands to
756 null_ptr_cst_p, not those after the default conversions.
758 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
760 * parser.c (cp_parser_condition): Fix a warning.
762 2016-09-29 Jakub Jelinek <jakub@redhat.com>
764 Implement P0001R1 - C++17 removal of register storage class specifier
765 * decl.c (cp_finish_decl): Diagnose register storage class
766 on vars except when used in GNU global or local register variable
768 (grokdeclarator): Diagnose register storage class on parameters.
769 * except.c (expand_start_catch_block): Set DECL_REGISTER only
770 after cp_finish_decl call.
772 2016-09-29 Marek Polacek <polacek@redhat.com>
774 * rtti.c (involves_incomplete_p): Add fall through comment.
776 2016-09-28 Jakub Jelinek <jakub@redhat.com>
779 * constexpr.c (enum constexpr_switch_state): New.
780 (struct constexpr_ctx): Add css_state field.
781 (label_matches): Add CTX and STMT arguments, remove I and
782 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
783 handle default labels according to css_state.
784 (cxx_eval_statement_list): Remove statement skipping, label_matches
785 and default_label handling code.
786 (cxx_eval_loop_expr): Exit after first iteration even if
787 switches (jump_target).
788 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
789 label has been seen in the body, but no cases matched, evaluate
790 the body second time.
791 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
792 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
793 statement is not skipped. For COND_EXPR during skipping, don't
794 evaluate condition, just the then block and if still skipping at the
795 end also the else block.
796 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
797 (is_sub_constant_expr): Likewise.
799 2016-09-27 Jakub Jelinek <jakub@redhat.com>
801 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
802 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
803 true instead of false as by_reference_p to add_capture for 'this'.
804 Parse '*this' simple-capture.
805 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
806 (add_capture): Adjust function comment. For id == this_identifier,
807 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
808 by value, and !by_reference_p as capturing '*this' by value.
809 (add_default_capture): For implicit 'this' capture, always pass
810 by_reference_p true rather than false.
813 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
814 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
815 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
817 2016-09-26 Nathan Sidwell <nathan@acm.org>
819 * init.c (expand_default_init): Fix } indentation.
820 * method.c (process_subob_fn): Simplify control structure to
822 (implicitly_declare_fn): Remove duplicated lambda ctor check.
824 2016-09-26 Marek Polacek <polacek@redhat.com>
827 * parser.c (cp_parser_storage_class_specifier_opt): Add
829 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
830 (cp_parser_cache_defarg): Likewise.
831 (cp_parser_omp_for_cond): Likewise.
832 * semantics.c (finish_decltype_type): Likewise.
833 * typeck.c (structural_comptypes): Likewise.
834 (cp_build_binary_op): Likewise.
835 (cp_build_modify_expr): Likewise.
837 2016-09-26 Marek Polacek <polacek@redhat.com>
840 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
841 (potential_constant_expression_1): Likewise.
842 * constraint.cc (function_concept_check_p): Check fn for null.
843 * parser.c (cp_parser_expression_statement): Handle attribute
845 (cp_parser_statement): Likewise.
846 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
848 (cp_parser_std_attribute): Handle fallthrough attribute.
849 (cp_parser_check_std_attribute): Add %< %> quotes.
850 * pt.c (tsubst_copy_and_build): Handle internal functions.
851 (instantiation_dependent_scope_ref_p): Return if the expression is
854 2016-09-24 Marek Polacek <polacek@redhat.com>
857 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
860 2016-09-23 Jakub Jelinek <jakub@redhat.com>
862 Implement P0138R2, C++17 construction rules for enum class values
863 * cp-tree.h (is_direct_enum_init): Declare.
864 * decl.c (is_direct_enum_init): New function.
865 (reshape_init): Use it.
866 * typeck.c (convert_for_assignment): Likewise.
868 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
871 * constexpr.c (call_stack): Remove unnecessary
872 = vNULL initialization of file scope vec.
874 * name-lookup.c (store_bindings, store_class_bindings): Don't
875 initialize static local bindings_need_stored to vNULL.
877 * typeck2.c (process_init_constructor_record): Use
878 CONSTRUCTOR_NELTS (...) instead of
879 vec_safe_length (CONSTRUCTOR_ELTS (...)).
880 * decl.c (reshape_init_r): Likewise.
881 (check_initializer): Likewise.
883 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
886 * class.c (build_base_path): Allow for lookup_base returning
889 2016-09-21 Jason Merrill <jason@redhat.com>
892 * call.c (null_ptr_cst_p): Check char_type_p.
894 2016-09-21 Jakub Jelinek <jakub@redhat.com>
897 * init.c (build_new_1): Don't suggest to use -faligned-new if
898 aligned_new_threshold is non-zero.
899 (type_has_new_extended_alignment): Change aligned_new_threshhold
900 to aligned_new_threshold.
901 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
902 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
903 * decl.c (cxx_init_decl_processing): Likewise.
905 2016-09-20 Jakub Jelinek <jakub@redhat.com>
908 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
909 FIELD_DECLs with error_mark_node type. Remove useless break; after
913 * parser.c (cp_parser_template_declaration_after_parameter): For 2
914 argument operator"" template set ok to false for
915 parm == error_mark_node.
918 * parser.c (cp_parser_std_attribute_list): Reject ... without
921 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
924 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
926 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
929 * parser.c (cp_parser_class_head): When
930 processing_template_parmlist, don't assume that the
931 class-head may start an explicit specialization.
933 2016-09-16 Jakub Jelinek <jakub@redhat.com>
936 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
937 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
940 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
941 call is_really_empty_class on complete types.
944 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
945 TYPE_HAS_MUTABLE_P for any bases.
947 2016-09-16 Jason Merrill <jason@redhat.com>
949 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
951 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
952 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
954 2016-09-14 Jakub Jelinek <jakub@redhat.com>
957 * name-lookup.c (consider_binding_level): Look through TREE_LIST
960 2016-09-14 Marek Polacek <polacek@redhat.com>
962 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
963 expressions. Tweak an error message.
965 2016-09-14 Marek Polacek <polacek@redhat.com>
967 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
969 * decl2.c (one_static_initialization_or_destruction): Use true instead
971 * init.c (build_vec_init): Use false instead of 0.
972 * pt.c (tsubst_copy_and_build): Likewise.
973 * semantics.c (simplify_loop_decl_cond): Likewise.
974 * typeck.c (rationalize_conditional_expr): Likewise.
975 (cp_build_binary_op): Use true instead of 1.
976 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
978 (build_unary_op): Change nonconvert parameter type to bool.
979 (unary_complex_lvalue): Use false instead of 0.
981 2016-09-13 Jakub Jelinek <jakub@redhat.com>
983 Implement P0028R4, C++17 using attribute namespaces without repetition
984 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
985 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
986 ATTR_NS with non-scoped attribute tokens. Allow named ops in
988 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
989 to cp_parser_std_attribute calls.
990 (cp_parser_std_attribute_spec): Parse optional C++17
991 attribute-using-prefix, adjust grammar in function comment.
994 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
995 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
996 (cxx_eval_pointer_plus_expression): Remove.
997 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
998 call cxx_eval_pointer_plus_expression.
1000 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1002 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1003 add_fixit_insert to add_fixit_insert_before.
1004 (cp_parser_class_head): Likewise.
1006 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1009 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1010 * class.c (instantiate_type): Look through the SAVE_EXPR.
1012 2016-09-09 Jason Merrill <jason@redhat.com>
1014 Implement P0035R4, C++17 new of over-aligned types.
1015 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1016 (align_type_node): New macro.
1017 * call.c (build_operator_new_call): Handle C++17 aligned new.
1018 (second_parm_is_size_t, build_op_delete_call): Likewise.
1019 (non_placement_deallocation_fn_p): Likewise. Rename to
1020 usual_deallocation_fn_p.
1021 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1022 * decl.c (cxx_init_decl_processing): Add aligned new support.
1023 * init.c (type_has_new_extended_alignment): New.
1024 (build_new_1): Handle aligned new.
1025 * tree.c (vec_copy_and_insert): New.
1027 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1030 * decl2.c (do_static_initialization_or_destruction): Only
1031 call asan_dynamic_init_call if INITP is true.
1033 2016-09-01 Martin Sebor <msebor@redhat.com>
1035 * mangle.c: Increase buffer size to guarantee it fits the output
1036 of the formatted function regardless of its arguments.
1038 2016-09-01 Marek Polacek <polacek@redhat.com>
1041 * error.c (dump_type): Fix falls through comment.
1042 (dump_decl): Likewise.
1043 (dump_expr): Likewise.
1045 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1047 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1048 hint to ">>" within nested template argument list error.
1050 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1052 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1053 rather than add_fixit_misspelled_id.
1054 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1056 2016-08-29 Jason Merrill <jason@redhat.com>
1059 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1060 (mangle_thunk): Add thunk parameter.
1061 * method.c (finish_thunk): Pass it.
1062 * cp-tree.h: Declare it.
1064 2016-08-15 Jason Merrill <jason@redhat.com>
1066 Avoid calling a trivial default constructor.
1067 * class.c (default_ctor_p): New.
1068 (in_class_defaulted_default_constructor): Use it.
1069 (type_has_non_user_provided_default_constructor): Use it.
1070 * call.c (build_over_call): Handle trivial default constructor.
1071 * cp-tree.h: Declare default_ctor_p.
1074 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1077 2016-08-25 Marek Polacek <polacek@redhat.com>
1079 * parser.c (cp_parser_binary_expression): Pass LHS to
1080 warn_logical_not_parentheses.
1082 2016-08-18 Marek Polacek <polacek@redhat.com>
1085 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1086 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1087 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1088 (cp_parser_cache_defarg): Likewise.
1090 2016-08-12 Marek Polacek <polacek@redhat.com>
1093 * call.c (add_builtin_candidate): Add FALLTHRU.
1094 (build_integral_nontype_arg_conv): Adjust fall through comment.
1095 (build_new_op_1): Add FALLTHRU.
1096 (convert_like_real): Adjust fall through comment.
1097 * class.c (fixed_type_or_null): Likewise.
1098 * constexpr.c (cxx_eval_constant_expression): Likewise.
1099 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1100 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1101 (cp_fold): Add FALLTHRU.
1102 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1103 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1104 (pp_cxx_qualified_id): Likewise.
1105 (cxx_pretty_printer::constant): Adjust fall through comment.
1106 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1107 (pp_cxx_pm_expression): Adjust fall through comment.
1108 (cxx_pretty_printer::expression): Add FALLTHRU.
1109 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1110 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1111 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1112 * error.c (dump_type): Adjust fall through comment.
1113 (dump_decl): Likewise.
1114 * mangle.c (write_type): Likewise.
1115 * method.c (synthesized_method_walk): Add FALLTHRU.
1116 * name-lookup.c (arg_assoc_type): Likewise.
1117 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1118 (cp_parser_primary_expression): Add FALLTHRU.
1119 (cp_parser_operator): Likewise.
1120 * pt.c (find_parameter_packs_r): Likewise.
1121 (tsubst_aggr_type): Adjust fall through comment.
1122 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1123 * tree.c (lvalue_kind): Likewise.
1125 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1128 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1129 (cp_function_decl_explicit_p): Const_tree-ify.
1130 (cp_function_decl_deleted_p): Likewise.
1131 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1132 (cp_function_decl_explicit_p): Const_tree-ify.
1133 (cp_function_decl_deleted_p): Likewise.
1134 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1136 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1139 * constexpr.c (label_matches): Handle case range expressions.
1141 2016-08-11 Jason Merrill <jason@redhat.com>
1144 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1146 2016-08-10 Jason Merrill <jason@redhat.com>
1148 Implement C++17 constexpr if.
1149 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1150 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1151 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1152 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1153 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1154 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1155 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1156 (finish_if_stmt_cond): Require the condition of a
1157 constexpr if to be constant.
1158 * decl.c (level_for_constexpr_if): New.
1159 (named_label_entry): Add in_constexpr_if field.
1160 (poplevel_named_label_1): Set it.
1161 (check_goto): Check it.
1162 (check_previous_goto_1): Check level_for_constexpr_if.
1164 2016-08-09 Jason Merrill <jason@redhat.com>
1167 * decl2.c (any_dependent_type_attributes_p): New.
1168 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1169 * semantics.c (finish_id_expression): Check it.
1170 * typeck.c (finish_class_member_access_expr): Check it.
1173 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1175 Adjust mangling of ABI tags on class template member functions.
1176 * class.c (missing_abi_tags): New.
1177 (check_abi_tags): Don't check template. Add just_checking mode.
1178 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1179 (sorted_abi_tags): Split out from write_abi_tags.
1180 (struct releasing_vec): New.
1181 (write_unqualified_name): Only look for the primary
1182 template for types. Implement backward compatibility.
1185 * constexpr.c (cxx_eval_constant_expression): Check
1186 COMPLETE_TYPE_P before calling is_really_empty_class.
1187 * class.c (is_really_empty_class): Don't call complete_type.
1190 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1192 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1195 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1196 builtin aggregate types without TYPE_BINFO.
1198 2016-08-08 Jason Merrill <jason@redhat.com>
1200 Implement C++17 constexpr lambda.
1201 * class.c (finalize_literal_type_property): Handle lambdas.
1202 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1203 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1205 (cxx_eval_constant_expression): Handle capture proxy.
1206 (var_in_constexpr_fn): Don't check for C++14.
1207 (var_in_maybe_constexpr_fn): New.
1208 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1209 declarations not allowed in constexpr function. Handle
1210 STATIC_ASSERT, RANGE_FOR_STMT.
1211 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1212 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1213 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1214 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1215 (lambda_static_thunk_p): New.
1216 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1217 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1218 (cp_parser_decl_specifier_seq): Handle it.
1219 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1220 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1221 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1222 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1223 (dump_expr) [FUNCTION_DECL]: Pass it.
1225 2016-08-08 Jason Merrill <jason@redhat.com>
1228 * class.c (is_really_empty_class): Call complete_type.
1229 * constexpr.c (cxx_eval_constant_expression): Check
1230 is_really_empty_class.
1231 (potential_constant_expression_1): Likewise. Check for error type.
1233 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1236 * parser.c: Include tree-iterator.h.
1237 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1239 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1242 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1244 * call.c (convert_like_real): Harmonize diagnostics for invalid
1247 2016-08-05 Martin Sebor <msebor@redhat.com>
1249 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1250 the spelling of "constant-expression" in diagnostic messages
1252 (cxx_eval_constant_expression): Same.
1253 (cxx_eval_outermost_constant_expr): Same.
1254 (potential_constant_expression_1): Same.
1256 2016-08-05 Nathan Sidwell <nathan@acm.org>
1259 * pt.c (unify): TRAIT_EXPR is an expr.
1261 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1264 * lambda.c (add_capture): Check lambda_capture_field_type return
1265 value for error_mark_node.
1267 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1270 * pt.c (tsubst_qualified_id): Return error_mark_node if
1271 template_args is error_mark_node.
1273 2016-08-04 Jason Merrill <jason@redhat.com>
1276 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1279 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1280 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1281 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1282 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1285 * typeck.c (finish_class_member_access_expr): Avoid stripping
1286 SCOPE_REF to dependent base.
1288 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1290 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1291 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1292 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1293 Simplify code, and improve diagnostics.
1294 (cp_parser_oacc_routine): Likewise. Move pragma context
1296 (cp_parser_pragma): ... here.
1298 * parser.h (struct cp_omp_declare_simd_data): New.
1299 (struct cp_parser): Use it for oacc_routine member.
1300 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1301 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1302 Use it. Simplify code.
1303 (cp_parser_new): Initialize all members pointing to special
1304 parsing data structures.
1305 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1306 parser->cilk_simd_fn_info->clauses.
1307 (cp_parser_omp_declare_simd): Initialize
1308 parser->omp_declare_simd->clauses.
1309 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1311 2016-08-04 Marek Polacek <polacek@redhat.com>
1314 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1317 2016-08-01 Jason Merrill <jason@redhat.com>
1319 * mangle.c (mangle_decl): Warn about mangled name change even if
1322 * mangle.c (get_abi_tags): New.
1323 (find_substitution, write_unqualified_name, write_abi_tags)
1324 (maybe_check_abi_tags): Use it.
1326 * mangle.c (mangle_decl): Fix mangled name change warning.
1329 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1331 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1334 2016-07-30 Martin Sebor <msebor@redhat.com>
1338 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1339 involving null pointers.
1340 (cxx_eval_component_reference): Reject null pointer dereferences.
1341 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1342 (cxx_eval_constant_expression): Reject invalid expressions involving
1345 2016-07-29 Marek Polacek <polacek@redhat.com>
1348 * semantics.c (maybe_convert_cond): Use the location of COND for the
1349 parentheses warning.
1351 2016-07-29 Jason Merrill <jason@redhat.com>
1353 * decl.c (build_enumerator): Tweak diagnostic.
1356 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1357 * constexpr.c (build_data_member_initialization): Handle multiple
1358 initializers for the same field.
1360 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1363 * decl.c (build_enumerator): Check the type of the enumerator before
1364 calling cxx_constant_value.
1366 2016-07-27 Jason Merrill <jason@redhat.com>
1369 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1370 parameters with spec_tmpl. Call push_tinst_level.
1371 (most_specialized_partial_spec): Adjust.
1372 (more_specialized_partial_spec): Adjust.
1374 2016-07-25 Jason Merrill <jason@redhat.com>
1377 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1380 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1381 (build_lambda_object): Call build_x_compound_expr_from_list.
1382 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1386 * pt.c (coerce_template_parameter_pack): Fix logic for
1390 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1391 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1395 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1396 value of an element we're currently modifying.
1398 2016-07-24 Jason Merrill <jason@redhat.com>
1401 * pt.c (resolve_typename_type): Try to avoid calling
1402 currently_open_class.
1404 2016-07-23 Jason Merrill <jason@redhat.com>
1407 * call.c (add_list_candidates): Handle VTT parm.
1408 (build_new_method_call_1): Likewise.
1412 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1415 * class.c (walk_subobject_offsets): Handle 0-length array.
1418 * pt.c (tsubst): Also substitute into the template of a
1419 BOUND_TEMPLATE_TEMPLATE_PARM.
1422 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1425 * decl.c (reshape_init_r): Check complain for missing braces warning.
1427 2016-07-22 Jason Merrill <jason@redhat.com>
1430 * call.c (convert_like_real): Use lvalue_kind.
1434 * pt.c (tsubst_baselink): Call
1435 adjust_result_of_qualified_name_lookup for unqualified
1438 2016-07-21 Jason Merrill <jason@redhat.com>
1441 * semantics.c (apply_deduced_return_type): Call
1442 complete_type_or_else before building the new RESULT_DECL.
1445 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1446 (decl_constant_var_p): Use it instead.
1449 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1453 * call.c (unsafe_copy_elision_p): It's OK to elide when
1454 initializing an unknown object.
1456 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1457 trivial constructors.
1458 * method.c (do_build_copy_constructor): Don't copy tail padding
1459 even in a trivial constructor.
1461 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1464 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1465 Replace assert with test, return false if the goto isn't break
1466 or continue. Formatting fix.
1468 2016-07-21 Richard Biener <rguenther@suse.de>
1470 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1473 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1476 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1477 save/restore bc_label array.
1479 2016-07-21 Jason Merrill <jason@redhat.com>
1482 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1483 error parsing the lambda-declarator.
1486 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1487 between lowered and unlowered PTRMEM_CST.
1490 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1491 Don't set c_inhibit_evaluation_warnings.
1494 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1496 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1497 Jason Merrill <jason@redhat.com>
1499 Improving concepts performance and diagnostics.
1503 * cp-tree.def (CHECK_CONSTR): New.
1504 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1505 (CHECK_CONSTR_ARGS): New.
1506 * constraint.cc (make_predicate_constraint): Remove in favor of
1507 normalize_expression.
1508 (resolve_constraint_check): Actually return error_mark_node when
1510 (resolve_variable_concept_check): Perform coercion as if processing
1511 a template. Also return errors on resolution failure.
1512 (lift_*): Remove all of these functions. Don't unnecessarily inline
1514 (learn_*): Add facilities to memoize implications for subsumption
1515 during normalization.
1516 (expanding_concept): New.
1517 (expand_concept): New. Return the inlined and normalized definition
1518 of a concept when needed.
1519 (transform_*, xform_*): Rename to normalize_* to better reflect the
1520 responsibility of those functions.
1521 (normalize_template_id_expression): Check for non-boolean operands
1522 when possible. Generate check constraints instead of normal variable
1524 (normalize_call_expression): Report errors when resolution fails.
1525 (check_for_logical_overloads): Rewrite this check to more accurately
1527 (normalize_atom): Check for overloaded calls and invalid types before
1528 determining if the expression refers to a concept.
1529 (build_constraints): Don't cache normalized constraints or decomposed
1531 (finish_shorthand_constraint): Return a normalized expression instead
1532 of a predicate constraint.
1533 (finish_template_introduction): Same.
1534 (placeholder_extract_concept_and_args): Rewrite this since we only
1535 ever get check constraints here.
1536 (equivalent_placeholder_constraints): Rewrite in terms of check
1537 constraints, and handle error_mark_nodes correctly.
1538 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1539 (tsubst_implicit_conversion_constr)
1540 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1541 (tsubst_parameterized_constraint, tsubst_constraint): New.
1542 (tsbust_conjunection): Replace with tsubst_logical_operator and
1543 actually generate the right kind of constraint.
1544 (tsubst_requirement_body): Reverse the order of substituted arguments
1545 so that they appear in the order written (helps diagnostics).
1546 (satisfy_check_constraint): New.
1547 (satisfy_conjunction): Simplify.
1548 (satisfy_disjunction): Same.
1549 (satisfy_constraint_1): Handle check constraints.
1550 (eval_constr): New (private) global state.
1551 (evaluating_constraints_sentinel): New. Manages eval_constr.
1552 (satisfy_constraint): Add timing variables.
1553 (satisfy_associated_constraints): Add hooks for memoization.
1554 (evaluate_function_concept): Build a check constraint instead of
1555 normalizing its definition.
1556 (evaluate_variable_concept): Same.
1557 (evaluate_constraint_expression): Normalize, but in the current
1558 declaration processing context.
1559 (evaluating_constraints_p): New.
1560 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1561 (diagnose_*): Remove artificial indentation. Add a new parameter to
1562 each that tracks the current (complete) constraint prior to any
1564 (diagnose_expression): Removed.
1565 (diagnose_call_expression): Same.
1566 (diagnose_template_id): Same.
1567 (diagnose_template_id): New.
1568 (diagnose_logical_constraint): New.
1569 (diagnose_expression_constraint): Show the original expression.
1570 (diagnose_type_constraint): Show the original type.
1571 (diagnose_implicit_conversion_constraint): Be specific about
1572 failures, don't re-diagnose a known-to-be-failed substitutions,
1573 and manage elisions properly.
1574 (diagnose_argument_deduction_constraint): Same.
1575 (diagnose_exception_constraint): Same.
1576 (diagnose_parameterized_constraint): Same.
1577 (constraint_p): Allow EXPR_PACK_EXPANSION.
1578 * logic.cc (next_by_distance): Removed. No longer used.
1579 (any_p): Renamed from any_of.
1580 (term_entry, term_hasher): New.
1581 (term_list): Rewrite to include a hash table for quick lookup.
1582 Also, make less stateful.
1583 (proof_state): Extend to allow goals to be discharged once
1585 (non_atomic_constraint_p): New.
1586 (any_non_atomic_constraints_p): New.
1587 (...rest...): Previous implementation completely replaced with an
1588 iterative algorithm that opportunistically prunes the search space
1589 before committing to using more memory.
1590 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1591 (cp_parser_explicit_template_declaration): Same.
1592 * pt.c: (finish_template_variable): Be less redundant with this error
1594 (template_args_equal): No longer static.
1595 (tsubst_decl): Don't try to find specializations of variables that
1596 have already been instantiated.
1597 (build_non_dependent_expr): Avoid infinite recursion during concept
1599 (make_constrained_auto): Normalize constraints.
1600 (do_auto_deduction): When doing auto deduction from a
1601 partial-concept-id, be sure to include the explicit args checking
1603 (constraint_sat_*): New. Memoize satisfied constraints.
1604 (concept_spec_*): New. Memoize expressions associated with a concept
1606 (constraint_memos, concept_memos): New.
1607 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1608 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1609 (get_concept_expansion, save_concept_expansion): New.
1610 (hash_subsumption_args): New.
1611 (comp_subsumption_args): New.
1612 (subsumption_*): New. Memoize parts of the subsumption relation.
1613 (lookup_subsumption_result, save_subsumption_result): New.
1614 (init_constraint_processing): Initialize memo tables.
1615 (get_constraints): Shortcut if !flag_concepts.
1616 * decl.c (grokfndecl): Normalize constraints.
1617 * error.c (dump_simple_decl): Print "concept" when appropriate.
1618 (dump_function_decl): Same.
1619 (dump_template_decl): Don't write requirements when we're not
1620 printing the header.
1621 (dump_expr): Handle fold expressions.
1622 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1624 (get_fold_operator): New.
1625 (pp_cxx_unary_left_fold_expression): New.
1626 (pp_cxx_unary_right_fold_expression): New.
1627 (pp_cxx_binary_fold_expression): New.
1628 (pp_cxx_check_constraint): New.
1629 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1630 to make them easier to read when debugging.
1631 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1632 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1634 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1638 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1640 (suggest_alternatives_for): If no candidates are found, try
1641 lookup_name_fuzzy and report if if finds a suggestion.
1642 (consider_binding_level): New function.
1643 (lookup_name_fuzzy) New function.
1644 * parser.c: Include gcc-rich-location.h.
1645 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1647 (cp_keyword_starts_decl_specifier_p): ...this new function.
1648 (cp_parser_diagnose_invalid_type_name): When issuing
1649 "does not name a type" errors, attempt to make a suggestion using
1651 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1652 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1653 types that are not CLASS_TYPE_P, rather than rejecting individual
1656 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1659 * parser.c (cp_parser_save_member_function_body): Consume
1660 __transaction_relaxed or __transaction_atomic with optional
1661 attribute. Only skip catch with block if try keyword is seen.
1664 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1665 when evaluating call arguments. Use fold_builtin_call_array instead
1666 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1667 check the result with potential_constant_expression and call
1668 cxx_eval_constant_expression on it.
1670 2016-07-19 Jason Merrill <jason@redhat.com>
1673 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1674 handle ARGUMENT_PACK_SELECT.
1676 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1680 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1681 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1682 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1686 * call.c (build_op_call_1): Use convert_like_with_context only
1687 if cand->fn is a decl.
1690 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1691 For lval don't use cxx_eval_unary_expression and instead recurse
1692 and if needed rebuild the reference.
1695 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1698 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1699 fold *expr_p before genericizing it.
1702 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1704 2016-07-15 Jason Merrill <jason@redhat.com>
1707 * call.c (convert_like_real): Mask complain.
1708 * semantics.c (perform_koenig_lookup): Likewise.
1711 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1712 threw away DECL_SAVED_TREE.
1716 * call.c (add_template_conv_candidate): Disable if there are
1720 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1723 * pt.c (tsubst_attributes): Fix loop logic.
1727 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1728 (cp_parser_simple_declaration): Diagnose type definition in
1729 for-range-declaration.
1732 * operators.def: Add *_FOLD_EXPR.
1733 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1734 * mangle.c (write_expression): Handle fold-expressions.
1735 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1736 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1737 partial instantiation.
1740 * mangle.c (write_expression): Handle sizeof... an argument pack.
1743 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1746 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1747 artificial variables.
1749 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1751 * parser.c (cp_parser_oacc_declare): Don't scan for
1753 * semantics.c (handle_omp_array_sections): Mark data clauses with
1754 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1755 zero-length subarrays.
1757 2016-07-11 Jason Merrill <jason@redhat.com>
1759 * decl.c (store_parm_decls): Remove check for void parm.
1761 2016-07-08 Jason Merrill <jason@redhat.com>
1763 * cp-tree.h: Unpoison lvalue_p.
1764 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1765 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1768 * tree.c (obvalue_p): Rename from lvalue_p.
1769 (lvalue_p): Define for c-common.
1770 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1772 (cp_build_addr_expr_1): Remove obsolete code.
1774 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1775 * call.c, cp-tree.h, typeck.c: Adjust.
1777 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1779 P0145R2: Refining Expression Order for C++.
1780 * cp-gimplify.c (lvalue_has_side_effects): New.
1781 (cp_gimplify_expr): Implement assignment ordering.
1782 * call.c (op_is_ordered, build_over_call): Adjust for
1783 -fargs-in-order renaming to -fstrong-eval-order.
1784 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1786 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1787 Kai Tietz <ktietz70@googlemail.com>
1791 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1792 artificial vars, genericize their initializers.
1794 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1797 * parser.c (cp_parser_class_specifier_1): When reporting
1798 missing semicolons, use a fixit-hint to suggest insertion
1799 of a semicolon immediately after the closing brace,
1800 offsetting the reported column accordingly.
1802 2016-07-04 Jan Beulich <jbeulich@suse.com>
1804 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1806 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1808 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1809 Move pragma context checking into...
1810 (cp_parser_omp_cancellation_point): ... here, and improve
1811 diagnostic messages.
1812 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1813 Improve diagnostic messages.
1815 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1817 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1819 2016-06-24 Jason Merrill <jason@redhat.com>
1821 P0145R2: Refining Expression Order for C++.
1822 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1824 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1825 (build_target_expr): Call mark_rvalue_use.
1827 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1829 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1830 (build_over_call): For magic == 3, do no conversion only on 3rd
1833 2016-06-23 Andi Kleen <ak@linux.intel.com>
1835 * Make-lang.in: Add support for autofdo.
1837 2016-06-21 Jason Merrill <jason@redhat.com>
1839 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1840 args as our template has levels of parms.
1842 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1843 (type_dependent_expression_p): Use uses_outer_template_parms.
1845 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1847 * parser.c (cp_parser_string_literal): Convert non-standard
1848 concatenation error to directly use a rich_location, and
1849 use that to add the location of the first literal to the
1852 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1854 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1856 * error.c (dump_function_decl): Save the constexpr specifier too.
1858 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1860 * tree.c (builtin_valid_in_constant_expr_p): Test for
1861 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1863 (bot_manip): Likewise.
1864 * call.c (magic_varargs_p): Likewise.
1866 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1868 * decl.c (grokfndecl): Change pair of errors to error + inform.
1870 2016-06-17 Jason Merrill <jason@redhat.com>
1873 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1874 warning when there are dependent bases.
1876 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1878 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1879 processing_template_decl when checking for bitfields and unions.
1880 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1881 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1882 array sections with COMPONENT_REF bases.
1884 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1886 * parser.c (cp_parser_omp_var_list_no_open): Call
1887 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1888 * semantics.c (finish_omp_clauses): Don't ICE when
1889 processing_template_decl when checking for bitfields and unions.
1890 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1892 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1894 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
1895 "%qF" in warning_at instead of "%q+F" in warning.
1896 (check_redeclaration_exception_specification): Likewise in pedwarn
1897 (and error, inform, for consistency).
1898 * call.c (joust): Likewise.
1900 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1903 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
1904 code at the end of the for loop; also revert r159637 changes,
1905 add back the gcc_assert.
1906 * cp-tree.h (xref_basetypes): Adjust declaration.
1907 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
1909 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1911 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
1913 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1915 * typeck.c: Include "gcc-rich-location.h".
1916 (finish_class_member_access_expr): Simplify fixit code by
1917 using gcc_rich_location::add_fixit_misspelled_id.
1919 2016-06-14 Jason Merrill <jason@redhat.com>
1921 P0145R2: Refining Expression Order for C++.
1922 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
1923 (CALL_EXPR_REVERSE_ARGS): New.
1924 * call.c (build_new_op_1): Set them.
1925 (extract_call_expr, op_is_ordered): New.
1926 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
1927 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
1928 * pt.c (tsubst_copy_and_build): Copy new flags.
1929 * semantics.c (simplify_aggr_init_expr): Likewise.
1930 * tree.c (build_aggr_init_expr): Likewise.
1931 (build_min_non_dep_op_overload): Likewise.
1933 2016-06-14 Jakub Jelinek <jakub@redhat.com>
1936 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
1937 olddecl vars, preserve their TREE_READONLY bit.
1940 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
1942 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1944 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
1946 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
1948 * decl.c (grokdeclarator): Fix typo in pedwarn text.
1950 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
1953 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
1956 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
1960 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1963 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1964 emits an error do not zero the type.
1966 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1968 * decl.c (maybe_deduce_size_from_array_init): Use
1969 DECL_SOURCE_LOCATION in error_at.
1970 (layout_var_decl): Likewise.
1971 (check_array_initializer): Likewise.
1972 (check_initializer): Likewise.
1973 (duplicate_decls, check_elaborated_type_specifier): Tidy.
1975 2016-06-08 Martin Sebor <msebor@redhat.com>
1976 Jakub Jelinek <jakub@redhat.com>
1980 * constexpr.c: Include gimple-fold.h.
1981 (cxx_eval_internal_function): New function.
1982 (cxx_eval_call_expression): Call it.
1983 (potential_constant_expression_1): Handle integer arithmetic
1985 * tree.c (builtin_valid_in_constant_expr_p): Handle
1986 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1988 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1990 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
1991 return value of tsubst_aggr_type for error_mark_node.
1993 2016-06-08 Jakub Jelinek <jakub@redhat.com>
1996 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
1998 2016-06-06 Jakub Jelinek <jakub@redhat.com>
1999 Patrick Palka <ppalka@gcc.gnu.org>
2004 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2005 right after cp_fold call if cp_fold has returned the same stmt
2006 already in some earlier cp_fold_r call.
2007 (cp_fold_function): Add pset automatic variable, pass its address
2010 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2013 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2014 emits an error do not zero the type.
2016 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2019 * decl.c (duplicate_decls): Properly copy the
2020 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2021 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2023 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2025 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2026 arguments as addressable when async clause exists.
2028 2016-06-02 Jan Hubicka <jh@suse.cz>
2030 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2033 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2035 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2036 (start_enum): Likewise.
2037 * parser.c (cp_parser_class_head): Likewise.
2039 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2042 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2043 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2044 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2045 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2046 to the newly built tree.
2048 2016-05-31 Jason Merrill <jason@redhat.com>
2050 * pt.c (instantiate_decl): Avoid recalculation.
2055 * pt.c (instantiate_template_1): Don't put the partial
2056 specialization in DECL_TI_TEMPLATE.
2057 (partial_specialization_p, impartial_args): Remove.
2058 (regenerate_decl_from_template): Add args parm.
2059 (instantiate_decl): Look up the partial specialization again.
2062 * pt.c (check_explicit_specialization): Give better diagnostic about
2063 specializing a hidden friend.
2065 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2068 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2069 to obtain correct locations; avoid redundant diagnostics on
2070 out-of-class definitions.
2072 2016-05-30 Martin Sebor <msebor@redhat.com>
2075 * init.c (warn_placement_new_too_small): Handle placement new arguments
2076 that are elements of arrays more carefully. Remove a pointless loop.
2078 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2081 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2082 when combined with target construct.
2083 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2084 to cp_parser_omp_all_clauses.
2086 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2089 * lex.c (unqualified_name_lookup_error): Take a location too.
2090 (unqualified_fn_lookup_error): Take a cp_expr.
2091 * cp-tree.h (unqualified_name_lookup_error,
2092 unqualified_fn_lookup_error): Adjust declarations.
2093 * semantics.c (perform_koenig_lookup): Adjust
2094 unqualified_fn_lookup_error call, pass the location of
2095 the identifier too as part of a cp_expr.
2097 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2100 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2101 to improve the diagnostic about wrong uses of 'virtual'.
2103 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2106 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2107 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2109 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2113 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2114 decls into the global scope after stripping template bits
2115 and setting DECL_ANTICIPATED.
2117 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2120 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2122 * name-lookup.h (push_namespace): Adjust declaration.
2123 * parser.c (cp_parser_namespace_definition): Check push_namespace
2126 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2129 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2130 decls into the global scope after stripping template bits
2131 and setting DECL_ANTICIPATED.
2133 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2135 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2136 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2138 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2142 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2144 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2145 on the qualified_id then propagate it to the resulting
2147 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2149 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2150 its REF_PARENTHESIZED_P flag.
2152 2016-05-25 Jason Merrill <jason@redhat.com>
2156 * cp-tree.h (enum tag_types): Add scope_type.
2157 * parser.c (cp_parser_class_name): Use scope_type.
2158 (prefer_type_arg): Handle scope_type.
2159 (cp_parser_lookup_name): Use prefer_type_arg.
2160 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2161 int prefer_type, use lookup_flags.
2162 * name-lookup.h: Adjust.
2164 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2166 * parser.c (cp_parser_oacc_declare): Add support for
2167 GOMP_MAP_FIRSTPRIVATE_POINTER.
2168 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2169 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2171 (handle_omp_array_sections): Replace bool is_omp argument with enum
2172 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2173 (finish_omp_clauses): Add specific errors and warning messages for
2174 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2175 call to handle_omp_array_sections.
2177 2016-05-24 Jason Merrill <jason@redhat.com>
2180 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2182 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2184 2016-05-24 Martin Sebor <msebor@redhat.com>
2187 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2188 * pt.c (instantiate_class_template_1): Try to complete the element
2189 type of a flexible array member.
2190 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2191 * typeck.c (complete_type): Also complete the type of the elements of
2192 arrays with an unspecified bound.
2194 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2197 * typeck2.c (check_narrowing): Check pedwarn return value.
2199 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2202 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2203 For OMP_CLAUSE_LINEAR_REF don't require type to be
2204 integral or pointer.
2206 2016-05-24 Richard Biener <rguenther@suse.de>
2210 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2211 * constexpr.c (cxx_eval_array_reference): Handle indexed
2213 * typeck.c (cp_build_array_ref): Adjust.
2215 2016-05-23 Jason Merrill <jason@redhat.com>
2218 * constexpr.c (cxx_eval_call_expression): Check for
2219 fun == current_function_decl again.
2222 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2223 maybe_undo_parenthesized_ref.
2226 * pt.c (tsubst_copy): Just return a local variable from
2227 non-template context. Don't call rest_of_decl_compilation for
2228 duplicated static locals.
2229 (tsubst_decl): Set DECL_CONTEXT of local static from another
2232 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2235 * method.c (forward_parm): Use cp_build_reference_type.
2237 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2240 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2242 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2244 * pt.c (check_for_bare_parameter_packs): Improve error message
2245 location for expressions.
2247 2016-05-20 Nathan Sidwell <nathan@acm.org>
2249 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2251 (cxx_eval_call_expression): Fix comment grammar.
2253 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2256 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2257 and return immediately in case of erroneous code.
2259 2016-05-19 Marek Polacek <polacek@redhat.com>
2262 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2264 2016-05-19 Jason Merrill <jason@redhat.com>
2267 * pt.c (fn_type_unification): Add outer template args if needed.
2268 (type_unification_real): Handle getting full args.
2270 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2273 * parser.c (cp_parser_operator): For array new/delete, check that
2274 cp_parser_require returned a non-NULL token before dereferencing
2277 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2279 * decl.c (finish_enum_value_list): Use the specified mode.
2281 2016-05-18 Jason Merrill <jason@redhat.com>
2283 * pt.c (value_dependent_expression_p): Tweak new cases to better
2284 match the wording in the standard.
2286 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2289 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2290 when the previous cp_lexer_peek_token returns CPP_EOF.
2292 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2295 * call.c (convert_like_real): Check that we are actually converting
2298 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2300 * decl.c (grokdeclarator): Remove errmsg and use of
2301 targetm.invalid_return_type.
2302 (grokparms): Remove errmsg and use of
2303 targetm.invalid_parameter_type.
2305 2016-05-13 Jason Merrill <jason@redhat.com>
2309 * pt.c (tsubst_decl): Use uses_template_parms.
2310 (instantiate_template_1): Handle non-dependent calls in templates.
2311 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2312 (type_dependent_expression_p): Only consider innermost template args.
2313 (dependent_template_arg_p): Check enclosing class of a template here.
2314 (dependent_template_p): Not here.
2315 (type_dependent_object_expression_p): New.
2316 * typeck.c (finish_class_member_access_expr): Use it.
2317 * parser.c (cp_parser_postfix_expression): Use it.
2318 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2319 to detect the current instantiation.
2320 (cp_parser_lookup_name): Really implement DR 141.
2321 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2322 (any_dependent_bases_p): Split out from...
2323 * name-lookup.c (do_class_using_decl): ...here.
2324 * call.c (build_new_method_call_1): Use it.
2325 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2326 * tree.c (non_static_member_function_p): Remove.
2327 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2329 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2330 complete_type_or_else for unknown_type_node, too.
2332 2016-05-12 Marek Polacek <polacek@redhat.com>
2335 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2336 * cp-tree.h (cp_build_modify_expr): Update declaration.
2337 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2339 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2340 cp_build_modify_expr.
2341 * decl2.c (set_guard): Likewise.
2342 (handle_tls_init): Likewise.
2343 * init.c (perform_member_init): Likewise.
2344 (expand_virtual_init): Likewise.
2345 (build_new_1): Likewise.
2346 (build_vec_delete_1): Likewise.
2347 (get_temp_regvar): Likewise.
2348 (build_vec_init): Likewise.
2349 * method.c (do_build_copy_assign): Likewise.
2350 (assignable_expr): Likewise.
2351 * semantics.c (finish_omp_for): Likewise.
2352 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2354 (cp_pointer_int_sum): Add location parameter. Pass it down to
2356 (pointer_diff): Add location parameter. Use it.
2357 (build_modify_expr): Pass location down to cp_build_modify_expr.
2358 (cp_build_modify_expr): Add location parameter. Use it.
2359 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2360 * typeck2.c (cxx_incomplete_type_diagnostic,
2361 cxx_incomplete_type_error): Add location parameter.
2363 2016-05-11 Marek Polacek <polacek@redhat.com>
2366 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2368 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2370 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2371 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2373 2016-05-04 Marek Polacek <polacek@redhat.com>
2375 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2376 with OPT_Wdangling_else.
2378 2016-05-03 Martin Sebor <msebor@redhat.com>
2381 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2382 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2384 2016-05-03 Marek Polacek <polacek@redhat.com>
2387 * call.c (build_cxx_call): Pass location and vNULL down to
2388 check_builtin_function_arguments.
2390 2016-05-03 Richard Biener <rguenther@suse.de>
2392 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2393 the checksum from the previous stage.
2395 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2398 * typeck.c (finish_class_member_access_expr): When
2399 giving a hint about a possibly-misspelled member name,
2400 add a fix-it replacement hint.
2402 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2404 * cp-tree.h (finish_omp_clauses): Update prototype.
2405 * parser.c (cp_parser_oacc_all_clauses): Update call to
2407 (cp_parser_omp_all_clauses): Likewise.
2408 (cp_parser_omp_for_loop): Likewise.
2409 (cp_omp_split_clauses): Likewise.
2410 (cp_parser_oacc_cache): Likewise.
2411 (cp_parser_oacc_loop): Likewise.
2412 (cp_parser_omp_declare_target):
2413 (cp_parser_cilk_simd_all_clauses): Likewise.
2414 (cp_parser_cilk_for): Likewise.
2415 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2416 arguments with enum c_omp_region_type ort.
2417 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2418 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2419 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2420 (tsubst_expr): Update calls to tsubst_omp_clauses.
2421 * semantics.c (finish_omp_clauses): Replace bool arguments
2422 allow_fields, declare_simd, and is_cilk with bitmask ort.
2423 (finish_omp_for): Update call to finish_omp_clauses.
2425 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2428 * parser.c (cp_parser_class_head): Capture the start location;
2429 use it to emit a fix-it insertion hint when complaining
2430 about missing "template <> " in explicit specializations.
2432 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2434 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2436 2016-05-02 Richard Biener <rguenther@suse.de>
2438 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2441 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2444 * class.c (check_field_decl): Remove final int* parameter, change
2445 the return type to bool; fix logic in order not to reject multiple
2446 initialized fields in anonymous struct.
2447 (check_field_decls): Adjust call.
2449 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2452 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2453 OACC_LOOP_CLAUSE_MASK.
2454 (cp_parser_oacc_kernels_parallel): Update call to
2455 c_oacc_split_loop_clauses.
2457 2016-04-28 Jason Merrill <jason@redhat.com>
2459 Implement C++17 [[nodiscard]] attribute.
2462 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2463 * tree.c (handle_nodiscard_attribute): New.
2464 (cxx_attribute_table): Add [[nodiscard]].
2465 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2466 (maybe_warn_nodiscard): New.
2467 (convert_to_void): Call it.
2469 * cvt.c (cp_get_callee): New.
2470 * constexpr.c (get_function_named_in_call): Use it.
2471 * cxx-pretty-print.c (postfix_expression): Use it.
2472 * except.c (check_noexcept_r): Use it.
2473 * method.c (check_nontriv): Use it.
2474 * tree.c (build_aggr_init_expr): Use it.
2475 * cp-tree.h: Declare it.
2477 2015-04-27 Ryan Burn <contact@rnburn.com>
2478 Jeff Law <law@redhat.com>
2482 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2483 instead of cilk_detect_spawn_and_unwrap.
2484 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2486 (cilk_cp_detect_spawn_and_unwrap): New.
2487 * lambda.c: Include cp-cilkplus.h.
2488 * parser.c: Include cp-cilkplus.h.
2489 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2490 * cp-cilkpus.h: New file.
2492 2016-04-27 Nathan Sidwell <nathan@acm.org>
2494 * constexpr.c (get_fundef_copy): Use the original function for
2495 non-recursive evaluations.
2496 (save_fundef_copy): Always expect a slot to be available.
2498 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2500 * parser.c (cp_parser_postfix_expression): Call
2501 warn_for_memset instead of warning directly here.
2503 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2506 * decl.c (build_enumerator): Set current_access_specifier when
2507 declaring an enumerator belonging to an in-class enumeration.
2508 * parser.c (cp_parser_check_access_in_redecleration): Also
2509 consider in-class enumerations.
2511 2016-04-26 Marek Polacek <polacek@redhat.com>
2514 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2515 instead of stabilize_reference.
2516 (build_over_call): Likewise.
2517 * cp-tree.h (cp_stabilize_reference): Declare.
2518 * tree.c (cp_stabilize_reference): New function.
2519 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2520 stabilize_reference.
2521 (unary_complex_lvalue): Likewise.
2522 (cp_build_modify_expr): Likewise.
2524 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2527 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2530 2016-04-25 Jason Merrill <jason@redhat.com>
2532 * tree.c (std_attribute_table): New.
2533 (init_tree): Register it.
2535 2016-04-22 Jason Merrill <jason@redhat.com>
2537 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2539 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2541 * name-lookup.c (free_saved_scope): New free list of saved_scope
2543 (push_to_top_level): Attempt to reuse a saved_scope struct
2544 from free_saved_scope instead of allocating a new one each time.
2545 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2546 onto free_saved_scope.
2548 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2551 * semantics.c (process_outer_var_ref): Unconditionally return
2552 error_mark_node when mark_used returns false.
2554 2016-04-21 Marek Polacek <polacek@redhat.com>
2557 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2558 extra qualification.
2560 2016-04-20 Nathan Sidwell <nathan@acm.org>
2563 * init.c (build_vec_delete_1): Protect operator delete call in try
2565 (build_delete): Likewise.
2566 * optimize.c (build_delete_destructor_body): Likewise.
2568 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2571 * cp-tree.h (finish_omp_clauses): Add new default argument.
2572 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2573 instead of c_finish_cilk_clauses.
2574 * semantics.c (finish_omp_clauses): Add new argument. Allow
2575 floating-point variables in the linear clause for Cilk Plus.
2577 2016-04-20 Nathan Sidwell <nathan@acm.org>
2579 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2582 2016-04-19 Jason Merrill <jason@redhat.com>
2585 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2586 * pt.c (make_pack_expansion): Call mark_exp_read.
2587 * semantics.c (finish_id_expression): Call mark_type_use in
2588 unevaluated context.
2591 * call.c (implicit_conversion): If we choose a copy constructor
2592 for list-initialization from the same type, the conversion is an
2595 * constexpr.c (breaks): Handle EXIT_EXPR.
2596 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2597 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2602 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2605 * pt.c (tsubst_expr): Remove shadowing declaration.
2606 (tsubst_pack_expansion): Add assert.
2608 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2611 * name-lookup.c (qualified_lookup_using_namespace): Look through
2614 2016-04-18 Michael Matz <matz@suse.de>
2616 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2617 (layout_class_type): Ditto.
2618 (build_base_field): Use SET_DECL_ALIGN.
2619 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2620 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2621 (record_unknown_type): Use SET_TYPE_ALIGN.
2622 (cxx_init_decl_processing): Ditto.
2623 (copy_type_enum): Ditto.
2624 (grokfndecl): Use SET_DECL_ALIGN.
2625 (copy_type_enum): Use SET_TYPE_ALIGN.
2626 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2628 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2629 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2630 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2631 * rtti.c (emit_tinfo_decl): Ditto.
2633 2016-04-18 Jason Merrill <jason@redhat.com>
2637 * class.c (type_maybe_constexpr_default_constructor): New.
2638 (type_has_constexpr_default_constructor): Revert.
2640 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2644 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2645 (handle_com_interface_attribute): Delete.
2647 2016-04-15 Jason Merrill <jason@redhat.com>
2650 * constexpr.c (get_fundef_copy): Handle null *slot.
2653 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2654 unknown_type_node, too.
2656 2016-04-15 Jason Merrill <jason@redhat.com>
2657 Nathan Sidwell <nathan@acm.org>
2660 * constexpr.c (constexpr_call_table): Preserve in GC.
2661 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2662 (fundef_copies_table): Preserve in GC. Change to pointer to
2664 (maybe_initialize_fundef_copies_table): Adjust.
2665 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2666 (save_fundef_copy): Adjust for a TREE_LIST.
2667 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2668 (fini_constexpr): New.
2669 * cp-tree.h (fini_constexpr): Declare.
2670 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2672 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2675 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2677 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2678 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2679 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2680 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2681 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2682 cp_parser_statement.
2683 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2684 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2685 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2686 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2687 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2688 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2689 cp_parser_omp_taskloop, cp_parser_omp_construct,
2690 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2691 Add IF_P argument, pass it down where needed.
2692 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2693 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2696 2016-04-14 Jason Merrill <jason@redhat.com>
2699 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2700 * typeck2.c (split_nonconstant_init_1): Use it.
2703 * class.c (type_has_constexpr_default_constructor): Return true
2704 for an implicitly declared constructor.
2707 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2708 (cp_parser_simple_declaration): Pass it.
2709 (strip_declarator_types): New.
2712 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2713 initializer also makes the variable value-dependent.
2716 * constexpr.c (cxx_eval_store_expression): Also copy
2717 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2719 2016-04-14 Martin Sebor <msebor@redhat.com>
2724 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2726 2016-04-14 Jason Merrill <jason@redhat.com>
2728 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2729 parameter ABI change.
2731 2016-04-13 Martin Sebor <msebor@redhat.com>
2736 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2738 * decl.c (check_initializer, cp_finish_decl): Call them.
2739 (reshape_init_r): Reject incompletely braced intializer-lists
2741 * init.c (throw_bad_array_length, build_vla_check)
2742 (build_vla_size_check, build_vla_init_check): Define new functions.
2743 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2745 (store_init_value): Same.
2747 2016-04-13 Jason Merrill <jason@redhat.com>
2749 Warn about empty parameter ABI with -Wabi=9.
2750 * call.c (empty_class_msg, mark_for_abi_warning)
2751 (warn_empty_class_abi): New.
2752 (build_call_a): Use them.
2753 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2754 * error.c (pp_format_to_string): New.
2756 Pass empty class parameters like C.
2757 * call.c (pass_as_empty_struct, empty_class_arg): New.
2758 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2759 (build_call_a): Use empty_class_arg.
2760 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2761 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2763 2016-04-13 Jason Merrill <jason@redhat.com>
2766 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2768 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2771 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2772 avoidance mechanism.
2774 2016-04-13 Jason Merrill <jason@redhat.com>
2777 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2778 from instantiation_dependent_expression_p.
2779 (value_dependent_expression_p): Use it for unevaluated operands.
2780 (instantiation_dependent_r): Don't check value-dependence.
2781 (instantiation_dependent_expression_p): Check
2782 value-dependence of the expression as a whole.
2783 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2784 * semantics.c (finish_decltype_type): Use it.
2786 * constexpr.c (potential_nondependent_constant_expression): New.
2787 (potential_nondependent_static_init_expression): New.
2788 (maybe_constant_value_1, fold_non_dependent_expr)
2789 (maybe_constant_init): Use them.
2790 * pt.c (instantiate_non_dependent_expr_sfinae)
2791 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2793 * cp-tree.h: Declare them.
2795 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2798 * decl.c (pop_labels_1): Removed.
2799 (note_label, sort_labels): New functions.
2800 (pop_labels): During named_labels traversal, just push the slot
2801 pointers into a vector, then qsort it by DECL_UID and only then
2802 call pop_label and chain it into BLOCK_VARS.
2804 2016-04-13 Jason Merrill <jason@redhat.com>
2807 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2808 (cp_gimplify_expr): Not here.
2810 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2813 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2815 * typeck.c (build_x_conditional_expr): Unconditionally remember
2816 that the result is an lvalue or xvalue.
2818 2016-04-12 Jason Merrill <jason@redhat.com>
2820 * class.c (is_really_empty_class): A zero-length array is empty.
2821 An unnamed bit-field doesn't make a class non-empty.
2823 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2826 * parser.c (cp_parser_cache_defarg): When file ends in default
2827 argument simply return error_mark_node.
2829 2016-04-12 Nathan Sidwell <nathan@acm.org>
2832 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2835 2016-04-11 Jason Merrill <jason@redhat.com>
2837 * mangle.c (decl_is_template_id): The template itself counts as a
2840 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2844 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2845 on the result if it's not a CONSTRUCTOR.
2847 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2850 * constexpr.c (find_constructor): New function.
2851 (unshare_constructor): New function.
2852 (cxx_eval_call_expression): Use unshare_constructor instead of
2854 (find_array_ctor_elt): Likewise.
2855 (cxx_eval_vec_init_1): Likewise.
2856 (cxx_eval_store_expression): Likewise.
2857 (cxx_eval_constant_expression): Likewise.
2859 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2862 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2863 potentially generating a future -Wparentheses warning in its
2866 2016-04-06 Jason Merrill <jason@redhat.com>
2868 * class.c (check_abi_tags): Fix function template handling.
2870 2016-04-05 Nathan Sidwell <nathan@acm.org>
2873 * class.c (fixup_may_alias): New.
2874 (fixup_attribute_variants): Call it.
2876 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2879 * constexpr.c (struct fundef_copy): New struct.
2880 (struct fundef_copies_table_t): New struct.
2881 (fundef_copies_table): New static variable.
2882 (maybe_initialize_fundef_copies_table): New static function.
2883 (get_fundef_copy): New static function.
2884 (save_fundef_copy): New static function.
2885 (cxx_eval_call_expression): Use get_fundef_copy, and
2887 (constexpr_call_table): Add "deletable" GTY marker.
2889 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2892 * cp-tree.h (class cache_map): Remove.
2893 * constexpr.c (cv_cache): Change type to
2894 GTY((deletable)) hash_map<tree, tree> *.
2895 (maybe_constant_value): Adjust following the change to cv_cache.
2896 (clear_cv_cache): New static function.
2897 (clear_cv_and_fold_caches): Use it.
2898 * cp-gimplify.c (fold_cache): Change type to
2899 GTY((deletable)) hash_map<tree, tree> *.
2900 (clear_fold_cache): Adjust following the change to fold_cache.
2901 (cp_fold): Likewise.
2903 2016-04-02 Martin Sebor <msebor@redhat.com>
2909 * constexpr.c (diag_array_subscript): New function.
2910 (cxx_eval_array_reference): Detect out of bounds array indices.
2912 2016-04-01 Jason Merrill <jason@redhat.com>
2916 * pt.c (instantiate_decl): A function isn't fully defined if
2917 DECL_INITIAL is error_mark_node.
2918 * constexpr.c (cxx_eval_call_expression): Likewise.
2920 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2921 Marek Polacek <polacek@redhat.com>
2924 * init.c (warn_placement_new_too_small): Test whether
2925 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2927 2016-04-01 Nathan Sidwell <nathan@acm.org>
2930 * decl.c (check_redeclaration_exception_specification): Check
2931 regardless of -fno-exceptions.
2932 * typeck2.c (merge_exception_specifiers): Relax assert by checking
2933 flag_exceptions too.
2935 2016-03-31 Nathan Sidwell <nathan@acm.org>
2937 * decl.c (start_preparsed_function): Remove unnecessary bracing.
2938 (finish_destructor_body): Don't emit operator delete here.
2940 2016-03-31 Nathan Sidwell <nathan@acm.org>
2943 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
2944 elements in field order.
2946 2016-03-31 Marek Polacek <polacek@redhat.com>
2949 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2951 2016-03-31 Richard Biener <rguenther@suse.de>
2954 * typeck.c (cp_build_binary_op): Fix operand order of vector
2955 conditional in truth op handling.
2957 2016-03-29 Jason Merrill <jason@redhat.com>
2960 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
2961 in constexpr functions.
2963 2016-03-28 Jason Merrill <jason@redhat.com>
2968 * decl.c, pt.c, constexpr.c: Revert last patch.
2970 2016-03-25 Jason Merrill <jason@redhat.com>
2971 Martin Liška <mliska@suse.cz>
2976 * decl.c (cp_fname_init): Decay the initializer to pointer.
2977 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
2978 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2979 Don't call cp_finish_decl.
2980 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
2981 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
2982 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2983 Handle DECL_VALUE_EXPR.
2985 2016-03-24 Jason Merrill <jason@redhat.com>
2988 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
2991 * constexpr.c (cxx_eval_call_expression): Don't cache result if
2994 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
2997 * tree.c (build_cplus_array_type): Determine type-dependentess
2998 with uses_template_parms instead of with dependent_type_p.
3000 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3003 * typeck.c (process_init_constructor_union): If the initializer
3004 is empty, use the union's NSDMI if it has one.
3006 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3009 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3010 NSDMI that's part of an aggregrate initialization.
3012 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3015 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3016 for 1..max even for multi-dimensional arrays. Call unshare_expr
3020 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3021 on TREE_OVERFLOW constants.
3024 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3025 for OMP_TASKLOOP here.
3026 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3027 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3029 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3030 Jason Merrill <jason@redhat.com>
3031 Jakub Jelinek <jakub@redhat.com>
3034 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3035 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3036 (finish_function): Don't set or test them.
3037 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3039 2016-03-23 Jason Merrill <jason@redhat.com>
3042 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3044 2016-03-23 Marek Polacek <polacek@redhat.com>
3047 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3049 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3051 * call.c (build_conditional_expr_1): Always use original
3052 condition type for vector type checks and build.
3054 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3057 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3059 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3062 * constexpr.c (non_const_var_error): Check
3063 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3065 2016-03-21 Richard Henderson <rth@redhat.com>
3068 * decl.c (notice_forced_label_r): New.
3069 (cp_finish_decl): Use it.
3071 2016-03-21 Jason Merrill <jason@redhat.com>
3074 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3076 2016-03-18 Jason Merrill <jason@redhat.com>
3079 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3082 * class.c (vptr_via_virtual_p): New.
3083 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3084 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3085 a vptr from any virtual base in a not-in-charge 'structor.
3087 * decl.c (build_clobber_this): Factor out of
3088 start_preparsed_function and begin_destructor_body. Handle
3089 virtual bases better.
3091 * class.c (build_if_in_charge): Split out from build_base_path.
3092 * init.c (expand_virtual_init, expand_default_init): Use it.
3093 * call.c (build_special_member_call): Use it.
3095 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3098 * init.c (build_new_1): Complain and return error_mark_node
3099 if alloc_fn is not _Jv_AllocObject function returning pointer.
3101 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3104 * search.c (adjust_result_of_qualified_name_lookup): Don't
3105 update the BASELINK_BINFO of DECL if the second call
3106 to lookup_base fails.
3108 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3111 * parser.c (cp_parser_lambda_expression): Move call to
3112 pop_deferring_access_checks ahead of the call to
3113 cp_parser_end_tentative_firewall.
3115 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3118 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3119 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3120 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3122 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3123 if magic_varargs_p == 1, call decay_conversion
3124 instead of mark_type_use. Don't store error_mark_node arguments to
3125 argarray, instead return error_mark_node.
3128 * decl.c (begin_destructor_body): Don't insert clobber if
3129 is_empty_class (current_class_type).
3131 2016-03-17 Marek Polacek <polacek@redhat.com>
3134 * typeck.c (warn_for_null_address): New function.
3135 (cp_build_binary_op): Call it.
3137 2016-03-16 Jason Merrill <jason@redhat.com>
3140 * decl.c (start_preparsed_function): Don't clobber an empty base.
3142 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3145 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3146 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3149 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3150 set in_base_initializer.
3152 2016-03-15 Marek Polacek <polacek@redhat.com>
3155 * tree.c (strip_typedefs): Call strip_typedefs again on the
3156 DECL_ORIGINAL_TYPE result.
3158 2016-03-15 Jason Merrill <jason@redhat.com>
3161 * pt.c (instantiate_decl): Fix call to variable_template_p.
3164 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3166 2016-03-14 Casey Carter <casey@carter.net>
3167 Jason Merrill <jason@redhat.com>
3169 P0184R0: Generalizing the Range-Based For Loop
3170 * parser.c (cp_convert_range_for): Set the type of __end separately.
3171 (cp_parser_perform_range_for_lookup): Allow different begin/end
3172 types if they are comparable.
3174 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3177 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3178 processing_template_decl and EXPR is a SCOPE_REF.
3180 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3181 Jakub Jelinek <jakub@redhat.com>
3184 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3185 return value from cxx_eval_constant_expression from earlier
3186 elements if it is valid constant initializer requiring no
3189 2016-03-10 Marek Polacek <polacek@redhat.com>
3192 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3194 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3196 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3197 when calling c_finish_omp_clauses.
3199 2016-03-08 Jason Merrill <jason@redhat.com>
3201 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3202 diagnostic for use of "concept".
3203 (cp_parser_requires_clause_opt): And "requires".
3204 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3205 (cp_parser_explicit_template_declaration): Adjust.
3206 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3208 P0036R0: Unary Folds and Empty Parameter Packs
3209 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3211 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3214 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3215 even after the last iteration of the loop.
3217 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3219 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3222 * pt.c (get_template_info): Handle PARM_DECL.
3223 (template_class_depth): Check DECL_P instead of
3224 VAR_OR_FUNCTION_DECL_P.
3226 2016-03-05 Jason Merrill <jason@redhat.com>
3229 * constexpr.c (cxx_eval_store_expression): Replace
3230 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3232 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3235 * pt.c (template_class_depth): Given a lambda type, iterate
3236 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3237 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3240 2016-03-04 Jason Merrill <jason@redhat.com>
3243 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3244 * init.c (build_vec_delete_1): Set it.
3245 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3247 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3249 * decl.c (start_preparsed_function): Don't emit start clobber at the
3250 start of constructor clones.
3253 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3254 * decl.c (start_preparsed_function): Call
3255 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3256 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3257 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3259 2016-03-04 Jason Merrill <jason@redhat.com>
3262 * constexpr.c (cxx_eval_component_reference): Further tweak.
3264 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3265 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3266 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3267 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3270 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3273 2016-03-03 Jason Merrill <jason@redhat.com>
3275 * method.c (synthesized_method_walk): operator= can also be constexpr.
3277 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3278 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3281 * pt.c (copy_template_args): New.
3282 (tsubst_pack_expansion): Use it.
3284 * call.c (build_aggr_conv): Use get_nsdmi.
3287 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3290 * constexpr.c (cxx_eval_component_reference): Just return an empty
3291 CONSTRUCTOR for an empty class.
3293 2016-03-01 Jason Merrill <jason@redhat.com>
3296 * parser.c (cp_parser_requires_clause): Call
3297 check_for_bare_parameter_packs.
3300 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3304 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3305 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3306 [TARGET_EXPR]: Unshare init.
3308 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3312 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3315 2016-02-28 Jason Merrill <jason@redhat.com>
3318 * constexpr.c (cxx_eval_store_expression): Unshare init.
3320 2016-02-26 Jason Merrill <jason@redhat.com>
3323 * pt.c (make_argument_pack): New.
3324 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3325 (tsubst_copy_and_build): Likewise.
3327 2016-02-25 Jason Merrill <jason@redhat.com>
3330 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3331 * tree.c (build_aggr_init_expr): Set it.
3332 * semantics.c (simplify_aggr_init_expr): Check it.
3333 * cp-gimplify.c (cp_genericize_r): Don't walk into
3334 a call/aggr_init from a thunk.
3337 * method.c (forward_parm): Handle parameter packs.
3338 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3341 * constexpr.c (cxx_eval_component_reference): Don't complain about
3342 unevaluated empty classes.
3345 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3347 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3350 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3351 (maybe_undo_parenthesized_ref): Declare.
3352 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3354 (finish_call_expr): Use it.
3355 * typeck.c (check_return_expr): Use it.
3356 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3357 REF_PARENTHESIZED_P flag.
3359 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3362 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3364 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3366 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3367 unless they are folded into INTEGER_CST, error_mark_node or some
3368 comparison with NULL, avoid folding them and use either the original
3369 comparison or non-folded comparison of folded arguments.
3370 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3371 comparison, don't fold the comparison right away.
3373 2016-02-24 Jason Merrill <jason@redhat.com>
3376 * friend.c (make_friend_class): Likewise.
3377 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3379 2016-02-24 Jason Merrill <jason@redhat.com>
3382 * pt.c (instantiate_class_template_1): Set
3383 processing_template_decl before substituting friend_type.
3385 016-02-24 Martin Sebor <msebor@redhat.com>
3388 * tree.c (build_ctor_subob_ref): Compare types' main variants
3389 instead of the types as they are.
3391 2016-02-24 Jason Merrill <jason@redhat.com>
3393 * decl.c (start_preparsed_function): Condition ctor clobber on
3394 flag_lifetime_dse > 1.
3396 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3398 2016-02-19 Jason Merrill <jason@redhat.com>
3401 * call.c (remaining_arguments): No longer static.
3402 * cp-tree.h: Declare it.
3403 * pt.c (more_specialized_fn): Use it.
3405 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3406 Bernd Edlinger <bernd.edlinger@hotmail.de>
3408 * Make-lang.in: Invoke gperf with -L C++.
3409 * cfns.gperf: Remove prototypes for hash and libc_name_p
3411 * cfns.h: Regenerated.
3412 * except.c (nothrow_libfn_p): Adjust.
3414 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3417 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3418 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3420 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3423 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3425 * semantics.c (finish_call_expr): Don't assume a constructor
3426 call is dependent if only the "this" pointer is dependent. When
3427 building a constructor call, always use a dummy object.
3429 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3432 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3434 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3435 operators if folding preserved the binop, just with different
3439 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3440 attr_spec is always single element chain, chain all the attributes
3441 properly together in the right order.
3443 2016-02-18 Jason Merrill <jason@redhat.com>
3445 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3447 (mangle_decl): Call maybe_check_abi_tags for function scope.
3448 (mangle_guard_variable): Call maybe_check_abi_tags here.
3449 (write_guarded_var_name): Not here.
3451 2016-02-17 Jason Merrill <jason@redhat.com>
3454 * constexpr.c (build_constexpr_constructor_member_initializers):
3455 Handle an additional STATEMENT_LIST.
3458 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3461 * decl2.c (reset_type_linkage_2): Look through member templates.
3463 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3466 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3468 2016-02-17 Jason Merrill <jason@redhat.com>
3471 * method.c (forward_parm): Split out from...
3472 (add_one_base_init): ...here.
3473 * lambda.c (maybe_add_lambda_conv_op): Use it.
3475 2016-02-16 Jason Merrill <jason@redhat.com>
3479 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3480 tree.c, typeck2.c: Revert earlier changes.
3481 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3482 non-type templates after -> or .
3484 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3487 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3489 2016-02-16 Jason Merrill <jason@redhat.com>
3492 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3493 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3494 * name-lookup.h: Adjust.
3496 2016-02-16 James Norris <jnorris@codesourcery.com>
3498 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3499 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3501 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3504 * init.c (expand_default_init): Only call reshape_init
3505 in the direct-initialization from an initializer list case.
3507 2016-02-15 Jason Merrill <jason@redhat.com>
3510 * semantics.c (finish_call_expr): Implicit 'this' does not make
3512 * search.c (any_dependent_bases_p): Split out...
3513 * name-lookup.c (do_class_using_decl): ...from here.
3514 * call.c (build_new_method_call_1): Don't complain about missing object
3515 if there are dependent bases. Tweak error.
3516 * tree.c (non_static_member_function_p): Remove.
3517 * pt.c (type_dependent_expression_p): A member template of a
3518 dependent type is dependent.
3519 * cp-tree.h: Adjust.
3522 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3524 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3527 * pt.c (lookup_and_finish_template_variable): New function,
3529 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3530 (tsubst_qualified_id): Consider that EXPR might be a variable
3532 * typeck.c (check_template_keyword): Don't emit an error
3533 if DECL is a variable template.
3535 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3537 * error.c: Spelling fixes - behaviour -> behavior and
3538 neighbour -> neighbor.
3540 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3542 * init.c (build_delete): Likewise.
3544 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3547 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3548 arguments for -Waddress warning. Fix up formatting.
3550 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3553 * pt.c (lookup_template_class_1): Check tsubst return value for
3556 2016-02-10 Jason Merrill <jason@redhat.com>
3559 * pt.c (resolve_nondeduced_context): Add complain parm.
3560 (do_auto_deduction): Pass it.
3561 * cvt.c (convert_to_void): Likewise.
3562 * decl.c (cp_finish_decl): Likewise.
3563 * init.c (build_new): Likewise.
3564 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3565 * semantics.c (finish_decltype_type): Likewise.
3566 * typeck.c (decay_conversion): Likewise.
3567 * cp-tree.h: Adjust declaration.
3568 * call.c (standard_conversion): Add complain parm, pass it along.
3569 (implicit_conversion): Pass it.
3572 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3573 (lookup_name_real_1): Likewise.
3574 (remove_hidden_names): Handle non-functions too.
3577 * parser.c (cp_parser_lookup_name): When looking for a template
3578 after . or ->, only consider class templates.
3579 (cp_parser_postfix_dot_deref_expression): Handle the current
3580 instantiation. Remember a dependent object expression.
3581 * typeck2.c (build_x_arrow): Handle the current instantiation.
3583 * ptree.c (debug_tree): Implement for cp_expr.
3585 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3588 * parser.c (cp_parser_simple_type_specifier): Make the check
3589 for disambiguating between an 'auto' placeholder and an implicit
3590 template parameter more robust.
3592 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3596 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3597 setting its TREE_USED flag.
3599 2016-02-08 Jason Merrill <jason@redhat.com>
3602 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3605 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3608 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3609 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3611 2016-02-08 Marek Polacek <polacek@redhat.com>
3614 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3615 Call clear_fold_cache.
3616 * cp-tree.h: Adjust declaration.
3617 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3618 rather than clear_cv_cache and clear_fold_cache.
3619 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3621 2016-02-08 Jason Merrill <jason@redhat.com>
3623 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3624 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3625 (ocp_convert): Use *_maybe_fold.
3626 (cp_convert_to_pointer): Add dofold parameter.
3627 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3629 2016-02-05 Martin Sebor <msebor@redhat.com>
3632 * init.c (find_field_init): New function.
3633 (warn_placement_new_too_small): Call it. Handle one-element arrays
3634 at ends of structures special.
3636 2016-02-05 Jason Merrill <jason@redhat.com>
3639 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3640 make sure we've seen_error().
3642 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3645 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3646 if lookup_fnfields returns NULL_TREE and the name being looked
3647 up has the form A::A.
3649 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3651 * constexpr.c (cxx_eval_binary_expression): Fold equality
3652 comparisons involving PTRMEM_CSTs.
3654 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3656 * class.c (find_flexarrays): Don't declare dom variable.
3657 (diagnose_flexarray): Likewise.
3659 2016-02-02 Martain Sebor <msebor@redhat.com>
3666 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3667 of a flexible array member for equality to null.
3668 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3669 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3670 (check_flexarrays): Same.
3671 * decl.c (compute_array_index_type): Avoid special case for flexible
3673 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3675 * error.c (dump_type_suffix): Revert changes introduced in r231665
3676 and rendered unnecessary by the changes above.
3677 * pt.c (tsubst): Same.
3678 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3679 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3680 (process_init_constructor_array): Same.
3681 (process_init_constructor_record): Same.
3683 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3686 * pt.c (try_one_overload): Handle comparing argument packs so
3687 that there is no conflict if we deduced more arguments of an
3688 argument pack than were explicitly specified.
3690 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3691 Jason Merrill <jason@redhat.com>
3694 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3695 function type if nothing is changing.
3697 2016-01-31 Jason Merrill <jason@redhat.com>
3700 * pt.c (partial_specialization_p, impartial_args): New.
3701 (instantiate_decl): Call impartial_args.
3703 * mangle.c (maybe_check_abi_tags): New.
3704 (write_guarded_var_name): Call it.
3705 (mangle_ref_init_variable): Call check_abi_tags.
3707 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3708 between template and instantiation.
3710 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3713 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3714 function declarations.
3716 2016-01-29 Marek Polacek <polacek@redhat.com>
3720 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3721 out of bound" error earlier.
3722 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3725 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3727 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3728 structure, update free_binding_level before the structure's
3729 level_chain field gets cleared, not after.
3731 2016-01-28 Jason Merrill <jason@redhat.com>
3734 * search.c (dfs_walk_once, dfs_walk_once_r)
3735 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3736 hash_set instead of BINFO_MARKED.
3737 (dfs_unmark_r): Remove.
3739 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3742 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3743 (cp_lexer_debugging_p): Use it.
3744 (cp_lexer_start_debugging): Likewise.
3745 (cp_lexer_stop_debugging): Likewise.
3747 2016-01-27 Marek Polacek <polacek@redhat.com>
3750 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3751 needed. Add -Wsign-compare warning.
3753 2016-01-27 Ryan Burn <contact@rnburn.com>
3756 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3757 superfluous post_p argument in call to
3758 cilk_gimplify_call_params_in_spawned_fn.
3760 2016-01-27 Marek Polacek <polacek@redhat.com>
3763 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3764 wrapped in NOP_EXPRs.
3766 2016-01-27 Martin Sebor <msebor@redhat.com>
3769 * mangle.c (mangle_decl): Reference the correct (saved) version
3770 of the ABI in -Wabi diagnostics.
3772 2016-01-27 Marek Polacek <polacek@redhat.com>
3775 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3776 elements of the array.
3778 2016-01-26 Jason Merrill <jason@redhat.com>
3781 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3782 (cxx_eval_call_expression): Don't look through clones.
3783 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3784 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3785 maybe-in-charge *tor.
3787 2016-01-26 Jason Merrill <jason@redhat.com>
3790 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3791 and TREE_SIDE_EFFECTS.
3792 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3793 verify_constructor_flags.
3795 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3798 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3799 return error_mark_node instead of building trees with error_mark_node
3802 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3805 * error.c (print_instantiation_partial_context_line): Add missing
3806 newlines from output for the t == NULL case.
3807 (print_instantiation_partial_context): Remove call to pp_newline.
3809 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3812 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3817 * decl.c (grokdeclarator): Don't decay array parameter type to
3818 a pointer type if it's dependent.
3819 (grokparms): Invoke strip_top_quals instead of directly invoking
3820 cp_build_qualified_type.
3821 * pt.c (decay_dependent_array_parm_type): New static function.
3822 (type_unification_real): Call decay_dependent_array_parm_type
3823 to decay a dependent array parameter type to its corresponding
3824 pointer type before unification.
3825 (more_specialized_fn): Likewise.
3826 (get_bindings): Likewise.
3827 * tree.c (cp_build_qualified_type): Trivial typofix in
3830 2016-01-23 Martin Sebor <msebor@redhat.com>
3834 * decl2.c (is_late_template_attribute): Handle dependent argument
3835 to attribute align and attribute vector_size.
3837 2016-01-21 Jason Merrill <jason@redhat.com>
3840 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3841 for init-capture, too.
3844 * decl.c (type_is_deprecated): Don't look into a typedef.
3848 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3851 * decl.c (start_enum): Add attributes parameter.
3852 * parser.c (cp_parser_enum_specifier): Pass it.
3853 * pt.c (lookup_template_class_1): Pass it.
3854 * cp-tree.h: Adjust.
3856 2016-01-19 Jason Merrill <jason@redhat.com>
3859 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3861 2016-01-19 Marek Polacek <polacek@redhat.com>
3864 * constexpr.c (clear_cv_cache): New.
3865 * cp-gimplify.c (clear_fold_cache): New.
3866 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3867 * decl.c (finish_enum_value_list): Call them.
3870 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3872 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3877 * decl.c (grokdeclarator): Don't decay array parameter type to
3878 a pointer type if it's dependent.
3879 (grokparms): Invoke strip_top_quals instead of directly invoking
3880 cp_build_qualified_type.
3881 * pt.c (decay_dependent_array_parm_type): New static function.
3882 (type_unification_real): Call decay_dependent_array_parm_type
3883 to decay a dependent array parameter type to its corresponding
3884 pointer type before unification.
3885 (more_specialized_fn): Likewise.
3886 (get_bindings): Likewise.
3887 * tree.c (cp_build_qualified_type): Trivial typofix in
3890 2016-01-18 Jason Merrill <jason@redhat.com>
3892 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
3894 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
3897 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
3898 (contains_label_1, contains_label_p): Remove.
3900 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3903 * pt.c (type_dependent_expression_p): For a function template
3904 specialization, a type is dependent iff any of its template
3907 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3909 * cp-array-notation.c (cp_expand_cond_array_notations): Return
3910 error_mark_node only if find_rank failed, not if it was
3913 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3916 * tree.c (build_min_non_dep_call_vec): Don't retain the
3917 KOENIG_LOOKUP_P flag of the non-dependent expression that's
3919 (build_min_non_dep_op_overload): Instead, do it here.
3921 2016-01-15 Jakub Jelinek <jakub@redhat.com>
3924 * parser.h (cp_token): Remove pragma_kind field. Add comment
3925 with number of unused bits.
3926 * parser.c (eof_token): Remove pragma_kind field initializer.
3927 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
3928 field, don't clear CPP_PRAGMA u.value.
3929 (cp_parser_pragma_kind): New function.
3930 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
3931 cp_parser_omp_construct, cp_parser_initial_pragma,
3932 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
3935 2016-01-15 Jason Merrill <jason@redhat.com>
3938 * call.c (build_cxx_call): Use fold_non_dependent_expr.
3940 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
3944 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
3945 array/function-to-pointer conversion. Call
3946 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
3947 * call.c (convert_like_real): Print call context if
3948 decay_conversion errors.
3950 2016-01-14 Tom de Vries <tom@codesourcery.com>
3952 PR tree-optimization/68773
3953 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
3956 2016-01-14 Jason Merrill <jason@redhat.com>
3959 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
3961 2016-01-12 Marek Polacek <polacek@redhat.com>
3964 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
3965 error_at and adjust the return value.
3967 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3971 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
3972 GS_ERROR whenever seen_error (), only if *expr_p contains
3973 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
3977 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
3979 2016-01-11 Jason Merrill <jason@redhat.com>
3982 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
3983 (process_subob_fn): Likewise. Don't consider triviality if true.
3984 (synthesize_method_walk): Pass it.
3986 2016-01-11 David Malcolm <dmalcolm@redhat.com>
3989 * parser.c (cp_parser_postfix_expression): Initialize
3990 close_paren_loc to UNKNOWN_LOCATION; only use it if
3991 it has been written to by
3992 cp_parser_parenthesized_expression_list.
3993 (cp_parser_parenthesized_expression_list): Document the behavior
3994 with respect to the CLOSE_PAREN_LOC param.
3996 2016-01-11 Jakub Jelinek <jakub@redhat.com>
3999 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4000 folded operands have side-effects, but folding changed any of them,
4001 build a new tree with the folded operands instead of returning the
4004 2016-01-09 Marek Polacek <polacek@redhat.com>
4007 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4009 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4012 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4014 2016-01-08 Jason Merrill <jason@redhat.com>
4017 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4020 2016-01-08 Marek Polacek <polacek@redhat.com>
4023 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4025 2016-01-08 Jason Merrill <jason@redhat.com>
4027 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4032 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4033 TREE_ADDRESSABLE type.
4037 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4039 2016-01-05 Nathan Sidwell <nathan@acm.org>
4042 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4045 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4047 Update copyright years.
4049 Copyright (C) 2016 Free Software Foundation, Inc.
4051 Copying and distribution of this file, with or without modification,
4052 are permitted in any medium without royalty provided the copyright
4053 notice and this notice are preserved.