1 2016-11-17 Jason Merrill <jason@redhat.com>
3 PR c++/78369 - {} as default argument
4 * call.c (build_special_member_call): Handle CONSTRUCTOR.
7 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
9 2016-11-16 Jason Merrill <jason@redhat.com>
12 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
13 * typeck2.c (store_init_value): Likewise.
15 * decl.c (store_decomp_type, lookup_decomp_type): New.
16 (cp_finish_decomp): Call store_decomp_type.
17 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
18 * cp-tree.h: Declare lookup_decomp_type.
20 2016-11-15 Jakub Jelinek <jakub@redhat.com>
22 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
23 set DECL_ASSEMBLER_NAME.
24 * parser.c (cp_parser_decomposition_declaration): Likewise
25 if returning error_mark_node.
26 * mangle.c (mangle_decomp): New function.
27 * cp-tree.h (mangle_decomp): New declaration.
29 2016-11-15 Jason Merrill <jason@redhat.com>
32 * semantics.c (finish_decltype_type): Strip references for a tuple
34 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
36 * decl2.c (decl_maybe_constant_var_p): References qualify.
37 * constexpr.c (non_const_var_error): Handle references.
38 * init.c (constant_value_1): Always check decl_constant_var_p.
39 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
40 * error.c (dump_decl_name): Split out from dump_decl.
42 2016-11-14 Jason Merrill <jason@redhat.com>
44 * tree.c (bitfield_p): New.
45 * cp-tree.h: Declare it.
46 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
47 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
48 * decl.c (cp_finish_decomp): Look through reference. Always
49 SET_DECL_DECOMPOSITION_P.
50 * semantics.c (finish_decltype_type): Adjust decomposition handling.
52 2016-11-13 Jakub Jelinek <jakub@redhat.com>
53 Jason Merrill <jason@redhat.com>
55 Implement P0217R3 - C++17 structured bindings
56 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
57 (DECL_DECOMPOSITION_P): New
58 (enum auto_deduction_context): Add adc_decomp_type.
59 (enum cp_declarator_kind): Add cdk_decomp.
60 * constexpr.c (cxx_eval_constant_expression): Look through
62 (potential_constant_expression_1): Likewise.
63 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
64 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
65 (cp_finish_decl): Pass adc_decomp_type for decomposition.
66 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
67 (get_tuple_decomp_init, cp_finish_decomp): New.
68 (grokdeclarator): Handle decomposition.
69 * init.c (build_aggr_init): Handle decomposition array.
70 (build_vec_init): Handle initialization from { array }.
71 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
73 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
74 (function_declarator_p, strip_declarator_types)
75 (cp_parser_check_declarator_template_parameters): Likewise.
76 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
77 (cp_parser_simple_declaration): Parse decomposition.
78 (cp_parser_decomposition_declaration): New.
79 * pt.c (tsubst_decomp_names): New.
80 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
81 (do_auto_deduction): Handle adc_decomp_type.
82 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
83 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
84 * tree.c (lvalue_kind): Likewise.
85 (cp_build_reference_type): Handle reference collapsing.
87 2016-11-13 Jason Merrill <jason@redhat.com>
89 * call.c (build_new_method_call_1): Include template arguments in
91 (print_error_for_call_failure): Likewise.
92 (build_new_function_call): Pass them in.
93 * name-lookup.c (supplement_binding_1): Don't complain about a
94 conflict with an erroneous declaration.
95 * error.c (dump_decl): Fix printing of alias declaration.
96 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
97 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
98 * semantics.c (perform_koenig_lookup): Don't wrap an error in
101 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
104 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
106 2016-11-12 Jason Merrill <jason@redhat.com>
109 * typeck.c (convert_arguments): Handle default arg followed by none.
111 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
112 IMAGPART_EXPR can be lvalues.
116 * pt.c (check_specialization_namespace): Allow any enclosing
118 (check_unqualified_spec_or_inst): New.
119 (check_explicit_specialization): Call it.
120 * parser.c (cp_parser_elaborated_type_specifier)
121 (cp_parser_class_head): Call it.
123 2016-11-10 Jason Merrill <jason@redhat.com>
126 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
127 (instantiate_decl): It's OK to defer a constexpr function.
128 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
130 * decl2.c (decl_defined_p): Use it. No longer static.
131 * decl.c (redeclaration_error_message): Use decl_defined_p.
132 * constexpr.c (cxx_eval_call_expression): Set input_location around
133 call to instantiate_decl.
135 2016-11-10 Jakub Jelinek <jakub@redhat.com>
137 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
138 public or external symbols.
140 2016-11-09 Jakub Jelinek <jakub@redhat.com>
143 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
145 2016-11-09 Jason Merrill <jason@redhat.com>
147 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
148 for template template parameter.
149 (cp_parser_type_id_1): Improve diagnostic.
150 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
151 * pt.c (splice_late_return_type): Not here.
152 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
153 (do_class_deduction): Handle non-class templates.
155 Implement P0127R2, Declaring non-type parameters with auto.
156 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
157 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
159 * pt.c (do_auto_deduction): Add outer_targs parameter.
160 (convert_template_argument): Call do_auto_deduction. If adc_unify,
161 don't give up on dependent init.
162 (unify): Likewise. In C++17, walk into the type of a
164 (for_each_template_parm): Add any_fn parameter.
165 (struct pair_fn_data): Likewise.
166 (for_each_template_parm_r): Call it for any tree. In C++17, walk
167 into the type of a TEMPLATE_PARM_INDEX.
168 (zero_r, array_deduction_r, try_array_deduction): New.
169 (type_unification_real): Call try_array_deduction.
170 (get_partial_spec_bindings): Likewise.
172 2016-11-07 Jason Merrill <jason@redhat.com>
174 Implement P0012R1, Make exception specifications part of the type
176 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
177 (flag_noexcept_type, ce_type): New.
178 * call.c (build_conv): Add ck_fnptr.
179 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
180 (convert_like_real): Likewise.
181 (standard_conversion): Likewise. Allow function pointer
182 conversions for pointers to member functions.
183 (reference_compatible_p): Allow function pointer conversions.
184 (direct_reference_binding): Likewise.
185 (reference_binding): Reference-compatible is no longer a subset of
187 (is_subseq): Also strip ck_lvalue after next_conversion.
188 * class.c (instantiate_type): Check fnptr_conv_p.
189 (resolve_address_of_overloaded_function): Likewise.
190 * cvt.c (can_convert_tx_safety): Now static.
191 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
192 * decl.c (flag_noexcept_type): Define.
193 (cxx_init_decl_processing): Set it.
194 (bad_specifiers): Check it.
195 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
196 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
198 * mangle.c (struct globals): Add need_cxx1z_warning.
199 (mangle_decl): Check it.
200 (write_exception_spec): New.
201 (write_function_type): Call it.
202 (canonicalize_for_substitution): Handle exception spec.
203 (write_type): Likewise.
204 (write_encoding): Set processing_template_decl across mangling of
205 partially-instantiated type.
206 * pt.c (determine_specialization): Pass tf_fndecl_type.
207 (tsubst_decl, fn_type_unification): Likewise.
208 (tsubst): Strip tf_fndecl_type, pass it to
209 tsubst_exception_specification.
210 (convert_nontype_argument_function): Handle function pointer
212 (convert_nontype_argument): Likewise.
213 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
214 * rtti.c (ptr_initializer): Encode noexcept.
215 * tree.c (canonical_eh_spec): New.
216 (build_exception_variant): Use it.
217 * typeck.c (composite_pointer_type): Handle fnptr conversion.
218 (comp_except_specs): Compare canonical EH specs.
219 (structural_comptypes): Call it.
221 * call.c (standard_conversion): Reorganize pointer conversions.
222 * pt.c (convert_nontype_argument_function): Convert to ref here.
223 (convert_nontype_argument): Not here.
224 (convert_template_argument): Add original type to error message.
225 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
226 (unify): Compare function-qualifiers.
227 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
228 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
230 * pt.c (push_tinst_level_loc): Add template instantiations to the
231 announce_function stream.
233 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
236 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
237 to suppress unwanted warnings.
239 2016-11-03 Jason Merrill <jason@redhat.com>
242 * call.c (convert_default_arg): Look through inheriting ctors.
244 2016-11-03 Jakub Jelinek <jakub@redhat.com>
245 Alexandre Oliva <aoliva@redhat.com>
246 Jason Merrill <jason@redhat.com>
250 * tree.c (cp_check_qualified_type): Use check_base_type and
251 TYPE_QUALS comparison instead of check_qualified_type.
252 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
253 * cp-objcp-common.c (cp_get_debug_type): New function.
254 (cp_decl_dwarf_attribute): Don't handle types here.
255 (cp_type_dwarf_attribute): New function.
256 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
258 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
261 2016-11-03 Jason Merrill <jason@redhat.com>
263 * tree.c (cp_check_qualified_type): Call check_base_type instead
264 of check_qualified_type.
265 (cxx_type_hash_eq): Check ref-qualifiers.
266 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
268 2016-11-01 Jason Merrill <jason@redhat.com>
270 Implement P0136R1, Rewording inheriting constructors.
271 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
272 (inherited_ctor_rejection): New.
273 (add_function_candidate): Reject inherited ctors for copying.
274 (enforce_access): Use strip_inheriting_ctors.
275 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
276 (convert_like_real): Avoid copying inheriting ctor parameters.
277 (build_over_call): Likewise. A base ctor inheriting from vbase
278 has no parms. Sorry about varargs.
279 (joust): A local constructor beats inherited with the same convs.
280 * class.c (add_method): Handle hiding inheriting ctors.
281 (one_inherited_ctor): Handle new semantics.
282 (add_implicitly_declared_members): Pass using_decl down.
283 (build_clone): A base ctor inheriting from vbase has no parms.
284 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
285 (SET_DECL_INHERITED_CTOR): Likewise.
286 (DECL_INHERITED_CTOR_BASE): Adjust.
287 * constexpr.c: Adjust.
288 * error.c (dump_function_decl): Decorate inheriting ctors.
289 * init.c (emit_mem_initializers): Suppress access control in
291 * mangle.c (write_special_name_constructor): Handle new inheriting
293 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
294 (ctor_omit_inherited_parms, binfo_inherited_from): New.
295 (synthesized_method_walk): Use binfo_inherited_from. Suppress
296 access control in inheriting ctor.
297 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
298 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
299 (add_one_base_init, do_build_copy_constructor): Adjust.
300 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
301 (implicitly_declare_fn): Adjust.
302 (get_inherited_ctor): Remove.
303 * name-lookup.c (do_class_using_decl): Check for indirect ctor
305 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
306 (maybe_clone_body): Handle omitted parms in base clone.
307 (maybe_thunk_body): Don't thunk if base clone omits parms.
308 * pt.c (tsubst_decl): Adjust.
309 (instantiate_template_1): Suppress access control in inheriting
311 (fn_type_unification): Do deduction with inherited ctor.
312 * tree.c (special_function_p): Adjust.
314 2016-11-01 Jakub Jelinek <jakub@redhat.com>
316 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
318 2016-11-01 Jason Merrill <jason@redhat.com>
320 * class.c (declared_access): Split out from handle_using_decl.
322 2016-10-31 Jakub Jelinek <jakub@redhat.com>
325 * parser.c (cp_parser_postfix_expression): Replace return statement in
326 the first switch with setting postfix_expression to the return
327 expression and break;.
330 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
331 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
332 (tsubst_expr) <case LABEL_EXPR>: Likewise.
334 2016-09-11 Le-Chun Wu <lcwu@google.com>
335 Mark Wielaard <mjw@redhat.com>
337 * name-lookup.c (pushdecl_maybe_friend): When emitting a
338 shadowing warning, use the code corresponding to the
339 given -Wshadow= variant.
341 2016-10-26 Jason Merrill <jason@redhat.com>
343 * class.c (add_method): Allow using-declarations to coexist.
345 2016-10-25 Jason Merrill <jason@redhat.com>
347 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
348 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
349 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
350 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
352 2016-10-25 Jakub Jelinek <jakub@redhat.com>
354 * parser.c (cp_parser_postfix_expression): Adding missing break;.
356 * cp-tree.h (finish_builtin_launder): Declare.
357 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
358 * semantics.c (finish_builtin_launder): New function.
359 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
360 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
361 (potential_constant_expression_1): Likewise.
363 2016-10-24 Jakub Jelinek <jakub@redhat.com>
365 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
366 and DW_AT_rvalue_reference.
368 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
369 instead of TREE_CODE (x) == VAR_DECL.
370 * constraint.cc (get_concept_definition): Likewise.
371 (finish_shorthand_constraint): Likewise.
372 * init.c (warn_placement_new_too_small): Likewise.
373 * cp-gimplify.c (cp_genericize_r): Likewise.
375 2016-10-21 Jason Merrill <jason@redhat.com>
378 * pt.c (convert_template_argument): Call convert_nontype_argument
379 on value-dependent but not type-dependent arguments.
380 (convert_nontype_argument): Handle value-dependent arguments.
381 (canonicalize_expr_argument): New.
382 (deducible_expression, unify): Skip CONVERT_EXPR.
383 * error.c (dump_template_argument): Likewise.
384 * mangle.c (write_expression): Likewise.
386 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
388 2016-10-21 Jakub Jelinek <jakub@redhat.com>
390 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
393 2016-10-17 Jakub Jelinek <jakub@redhat.com>
395 * cp-objcp-common.h (cp_function_decl_explicit_p,
396 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
397 (cp_decl_dwarf_attribute): Declare.
398 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
399 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
400 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
401 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
402 * cp-objcp-common.c (cp_function_decl_explicit_p,
403 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
404 (cp_decl_dwarf_attribute): New function.
406 2016-10-15 Jason Merrill <jason@redhat.com>
409 * constexpr.c (maybe_simplify_trivial_copy): New.
410 (cxx_eval_store_expression): Call it.
411 * call.c (build_over_call): Use unsigned char for trivial copy.
413 2016-10-14 Jason Merrill <jason@redhat.com>
415 Implement P0017R1, C++17 aggregates with bases.
416 * class.c (build_base_field_1): Split out from...
417 (build_base_field): ...here. In C++17 mode, build a field for
419 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
420 (next_initializable_field): Allow base fields in C++17.
421 * typeck2.c (process_init_constructor_record): Likewise.
423 2016-10-14 Jakub Jelinek <jakub@redhat.com>
425 DR 1511 - const volatile variables and ODR
426 * decl.c (grokvardecl): Change flags argument to type_quals,
427 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
428 (grokdeclarator): Adjust grokvardecl caller.
430 2016-10-13 Martin Sebor <msebor@redhat.com>
433 * class.c (struct flexmems_t): Add members.
434 (find_flexarrays): Add arguments. Correct handling of anonymous
436 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
437 (check_flexarrays): Add argument.
438 (diagnose_invalid_flexarray): New functions.
440 2016-10-13 Jakub Jelinek <jakub@redhat.com>
441 Jason Merrill <jason@redhat.com>
443 Implement P0386R2 - C++17 inline variables
444 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
445 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
446 (DECL_VAR_DECLARED_INLINE_P): Define.
447 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
448 (DECL_INLINE_VAR_P): Define.
449 (diagnose_inline_vars_for_namespace): Declare.
450 * decl.c (diagnose_inline_vars_for_namespace): New function.
451 (duplicate_decls): For static data members copy
452 DECL_DECLARED_CONSTEXPR_P.
453 (redeclaration_error_message): Handle C++17 redundant redeclaration
454 of constexpr static data member outside of class.
455 (maybe_commonize_var): Handle inline variables.
456 (check_initializer): Ignore inline variables for diagnostics.
457 Adjust diagnostic wording for C++17.
458 (make_rtl_for_nonlocal_decl): Allow in-class definition of
459 inline static data members.
460 (bad_specifiers): Don't diagnose inline on variables here.
461 (grokvardecl): Add inlinep argument, non-static const inline variables
463 (check_static_variable_definition): Return early also for inline
465 (mark_inline_variable): New.
466 (grokdeclarator): Handle inline variables and inline static data
468 * typeck2.c (store_init_value): Don't diagnose non-constant
469 initializers for non-constexpr inline static data members.
470 * decl2.c (vague_linkage_p): Return true for inline variables.
471 (c_parse_final_cleanups): In-class declaration of inline static
472 data members is a definition. Call diagnose_inline_vars_for_namespace
473 through walk_namespaces.
474 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
475 of inline static data members.
477 2016-10-13 Jason Merrill <jason@redhat.com>
479 * decl.c (mark_inline_variable): New.
482 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
484 * decl2.c: Include memmodel.h.
487 2016-10-11 Jason Merrill <jason@redhat.com>
490 * init.c (build_new_1): Don't -Waligned-new about placement new.
491 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
492 * decl.c (cxx_init_decl_processing): New.
494 2016-10-10 Jason Merrill <jason@redhat.com>
498 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
499 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
501 2016-10-08 Jason Merrill <jason@redhat.com>
503 * cp-gimplify.c (cp_fold): Add variable name.
505 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
508 2016-10-07 Jason Merrill <jason@redhat.com>
510 Further P0135 refinement.
511 * call.c (build_user_type_conversion_1): Consider conversions from
512 a single element in an initializer-list.
513 (build_temp): Undo early_elide_copy change.
514 (build_over_call): Check that we don't try to copy a TARGET_EXPR
515 in C++17 mode. Set user_conv_p here.
516 (convert_like_real): Not here.
517 (check_self_delegation): Split out from...
518 (build_special_member_call): ...here. Handle C++17 copy elision.
519 * cvt.c (early_elide_copy): Remove.
520 (ocp_convert): Undo early_elide_copy change.
521 * except.c (build_throw): Likewise.
522 * init.c (expand_default_init): Likewise.
523 * typeck.c (cp_build_modify_expr): Likewise.
525 2016-10-07 Nathan Sidwell <nathan@acm.org>
529 * init.c (emit_mem_initializers): Don't construct vbases of
531 (push_base_cleanups): Don't push vbase cleanups for abstract class
533 * method.c (synthethesized_method_walk): Don't walk vbases of
534 abstract classes when in C++14 mode.
536 2016-10-07 Jakub Jelinek <jakub@redhat.com>
538 Implement LWG2296 helper intrinsic
539 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
540 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
541 * constexpr.c (potential_constant_expression_1): Likewise.
542 * error.c (dump_expr): Likewise.
543 * typeck.c (cp_build_addressof): New function.
544 * cp-tree.h (cp_build_addressof): Declare.
545 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
546 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
547 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
548 ADDRESSOF_EXPR. Add __builtin_addressof and
549 __has_unique_object_representations into syntax in function comment.
550 (pp_cxx_addressof_expression): New function.
551 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
553 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
556 * parser.c (cp_parser_base_specifier): Fix a warning.
558 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
561 * decl.c (grokdeclarator): Try to find the correct location for an
564 2016-10-07 Martin Liska <mliska@suse.cz>
566 * lambda.c (maybe_add_lambda_conv_op): Set default value.
568 2016-10-06 Jason Merrill <jason@redhat.com>
570 * call.c (build_temp, convert_like_real): Don't re-copy
571 TARGET_EXPR. Handle packed fields.
572 (build_x_va_arg): Wrap it in a TARGET_EXPR.
573 (build_over_call): Add sanity check.
574 * cvt.c (early_elide_copy): New.
575 (ocp_convert): Use it.
576 * except.c (build_throw): Use it.
577 * init.c (get_nsdmi): Put back the TARGET_EXPR.
578 (expand_default_init): Call early_elide_copy.
579 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
581 2016-10-06 Jakub Jelinek <jakub@redhat.com>
583 Implement P0258R2 - helper for C++17
584 std::has_unique_object_representations trait
585 * cp-tree.h (enum cp_trait_kind): Add
586 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
587 (struct lang_type_class): Add unique_obj_representations
588 and unique_obj_representations_set bitfields.
589 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
590 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
591 (type_has_unique_obj_representations): Declare.
592 * parser.c (cp_parser_primary_expression): Handle
593 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
594 (cp_parser_trait_expr): Likewise. Formatting fix.
595 * semantics.c (trait_expr_value, finish_trait_expr): Handle
596 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
597 * tree.c (type_has_unique_obj_representations): New function.
598 (record_has_unique_obj_representations): New function.
599 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
600 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
602 2016-10-05 Jason Merrill <jason@redhat.com>
604 Implement P0135R1, Guaranteed copy elision.
605 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
608 * call.c (reference_binding): Fix binding to member of temporary.
610 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
612 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
614 * semantics.c (finish_compound_literal): Handle class placeholder.
616 2016-10-05 Marek Polacek <polacek@redhat.com>
618 Implement P0305R1, Selection statements with initializer.
619 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
620 instead of finish_for_init_stmt.
621 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
622 * decl.c (poplevel): Adjust a comment.
623 * init.c (build_vec_init): Call finish_init_stmt instead of
624 finish_for_init_stmt.
625 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
626 * name-lookup.h (enum scope_kind): Likewise.
627 * parser.c (cp_parser_statement): Update commentary.
628 (cp_parser_init_statement_p): New function.
629 (cp_parser_selection_statement): Parse the optional init-statement.
630 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
631 (cp_parser_c_for): Likewise.
632 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
633 (cp_parser_range_for_member_function): Update commentary.
634 (cp_parser_iteration_statement):
635 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
636 * pt.c (tsubst_omp_for_iterator): Update commentary.
637 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
638 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
641 2016-10-04 Jason Merrill <jason@redhat.com>
644 * pt.c (do_class_deduction): Handle list-initialization.
645 (do_auto_deduction): Call it sooner.
646 (build_deduction_guide): Use tsubst_arg_types.
647 (rewrite_template_parm): Don't copy_type.
650 * constexpr.c (cxx_eval_component_reference): Use name matching
653 Implement P0091R2, Template argument deduction for class templates.
654 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
655 Use the location of the beginning of the type-specifier.
656 (cp_parser_init_declarator): Parse deduction guide.
657 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
658 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
659 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
660 * decl.c (grokdeclarator): Check for uninitialized auto here.
661 (start_decl_1): Not here.
662 (cp_finish_decl): Or here. Don't collapse a list when doing
664 (grokfndecl): Check deduction guide scope and body.
665 * error.c (dump_decl, dump_function_decl, dump_function_name):
666 Handle deduction guides.
667 * pt.c (make_template_placeholder, do_class_deduction): New.
668 (build_deduction_guide, rewrite_template_parm): New.
669 (dguide_name, dguide_name_p, deduction_guide_p): New.
670 (do_auto_deduction): Call do_class_deduction.
671 (splice_late_return_type, is_auto): Handle class placeholders.
672 (template_parms_level_to_args): Split from template_parms_to_args.
673 (tsubst_template_parms_level): Split from tsubst_template_parms.
674 * typeck2.c (build_functional_cast): Handle class placeholder.
676 2016-10-04 Martin Sebor <msebor@redhat.com>
679 * init.c (warn_placement_new_too_small): Avoid assuming an array type
682 2016-10-04 Jakub Jelinek <jakub@redhat.com>
685 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
686 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
689 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
690 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
691 (java_byte_type_node, java_short_type_node, java_int_type_node,
692 java_long_type_node, java_float_type_node, java_double_type_node,
693 java_char_type_node, java_boolean_type_node, lang_name_java,
694 jclass_node): Remove.
695 (enum languages): Remove lang_java.
696 (TYPE_FOR_JAVA): Remove.
697 (struct lang_type_class): Remove java_interface bit-field.
698 (TYPE_JAVA_INTERFACE): Remove.
699 (pragma_java_exceptions): Remove.
700 (check_java_method, build_java_class_ref): Remove prototypes.
701 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
702 * decl2.c (acceptable_java_type, check_java_method): Remove.
703 (import_export_decl): Remove TYPE_FOR_JAVA handling.
704 (build_java_method_aliases): Remove.
705 (c_parse_final_cleanups): Don't call build_java_method_aliases.
706 (possibly_inlined_p): Don't test pragma_java_exceptions.
707 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
708 (build_java_class_ref): Remove.
709 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
710 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
711 * except.c (eh_type_info): Remove java type handling.
712 (decl_is_java_type, choose_personality_routine): Remove.
713 (initialize_handler_parm): Don't call choose_personality_routine.
714 (expand_start_catch_block): Don't handle java types.
715 (build_throw): Likewise.
716 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
717 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
718 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
719 (java_iface_lookup_fn): Remove.
720 (build_java_interface_fn_ref): Remove.
721 * tree.c (cxx_attribute_table): Remove java_interface.
722 (handle_java_interface_attribute): Remove.
723 * lex.c (pragma_java_exceptions): Remove.
724 (init_cp_pragma): Don't register GCC java_exceptions pragma.
725 (handle_pragma_java_exceptions): Remove.
726 (retrofit_lang_decl): Don't handle lang_name_java.
727 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
728 * error.c (language_to_string): Don't handle lang_java.
729 * decl.c (record_builtin_java_type): Remove.
730 (initialize_predefined_identifiers): Remove Java.
731 (cxx_init_decl_processing): Remove java_*_type_node.
732 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
733 (grokfndecl): Likewise.
734 (check_special_function_return_type): Likewise.
735 (grokdeclarator): Don't set TYPE_FOR_JAVA.
736 (grokparms): Don't handle TYPE_FOR_JAVA.
737 (xref_basetypes): Likewise.
738 (check_function_type): Likewise.
739 (finish_constructor_body): Likewise.
740 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
741 and java_*_type_node.
742 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
743 (write_java_integer_type_codes): Remove.
744 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
745 (add_implicitly_declared_members, determine_key_method,
746 finish_struct_1): Likewise.
747 (push_lang_context): Don't handle lang_name_java.
749 2016-10-03 Marek Polacek <polacek@redhat.com>
752 * typeck.c (cp_build_binary_op): Pass original operands to
753 null_ptr_cst_p, not those after the default conversions.
755 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
757 * parser.c (cp_parser_condition): Fix a warning.
759 2016-09-29 Jakub Jelinek <jakub@redhat.com>
761 Implement P0001R1 - C++17 removal of register storage class specifier
762 * decl.c (cp_finish_decl): Diagnose register storage class
763 on vars except when used in GNU global or local register variable
765 (grokdeclarator): Diagnose register storage class on parameters.
766 * except.c (expand_start_catch_block): Set DECL_REGISTER only
767 after cp_finish_decl call.
769 2016-09-29 Marek Polacek <polacek@redhat.com>
771 * rtti.c (involves_incomplete_p): Add fall through comment.
773 2016-09-28 Jakub Jelinek <jakub@redhat.com>
776 * constexpr.c (enum constexpr_switch_state): New.
777 (struct constexpr_ctx): Add css_state field.
778 (label_matches): Add CTX and STMT arguments, remove I and
779 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
780 handle default labels according to css_state.
781 (cxx_eval_statement_list): Remove statement skipping, label_matches
782 and default_label handling code.
783 (cxx_eval_loop_expr): Exit after first iteration even if
784 switches (jump_target).
785 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
786 label has been seen in the body, but no cases matched, evaluate
787 the body second time.
788 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
789 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
790 statement is not skipped. For COND_EXPR during skipping, don't
791 evaluate condition, just the then block and if still skipping at the
792 end also the else block.
793 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
794 (is_sub_constant_expr): Likewise.
796 2016-09-27 Jakub Jelinek <jakub@redhat.com>
798 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
799 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
800 true instead of false as by_reference_p to add_capture for 'this'.
801 Parse '*this' simple-capture.
802 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
803 (add_capture): Adjust function comment. For id == this_identifier,
804 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
805 by value, and !by_reference_p as capturing '*this' by value.
806 (add_default_capture): For implicit 'this' capture, always pass
807 by_reference_p true rather than false.
810 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
811 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
812 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
814 2016-09-26 Nathan Sidwell <nathan@acm.org>
816 * init.c (expand_default_init): Fix } indentation.
817 * method.c (process_subob_fn): Simplify control structure to
819 (implicitly_declare_fn): Remove duplicated lambda ctor check.
821 2016-09-26 Marek Polacek <polacek@redhat.com>
824 * parser.c (cp_parser_storage_class_specifier_opt): Add
826 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
827 (cp_parser_cache_defarg): Likewise.
828 (cp_parser_omp_for_cond): Likewise.
829 * semantics.c (finish_decltype_type): Likewise.
830 * typeck.c (structural_comptypes): Likewise.
831 (cp_build_binary_op): Likewise.
832 (cp_build_modify_expr): Likewise.
834 2016-09-26 Marek Polacek <polacek@redhat.com>
837 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
838 (potential_constant_expression_1): Likewise.
839 * constraint.cc (function_concept_check_p): Check fn for null.
840 * parser.c (cp_parser_expression_statement): Handle attribute
842 (cp_parser_statement): Likewise.
843 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
845 (cp_parser_std_attribute): Handle fallthrough attribute.
846 (cp_parser_check_std_attribute): Add %< %> quotes.
847 * pt.c (tsubst_copy_and_build): Handle internal functions.
848 (instantiation_dependent_scope_ref_p): Return if the expression is
851 2016-09-24 Marek Polacek <polacek@redhat.com>
854 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
857 2016-09-23 Jakub Jelinek <jakub@redhat.com>
859 Implement P0138R2, C++17 construction rules for enum class values
860 * cp-tree.h (is_direct_enum_init): Declare.
861 * decl.c (is_direct_enum_init): New function.
862 (reshape_init): Use it.
863 * typeck.c (convert_for_assignment): Likewise.
865 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
868 * constexpr.c (call_stack): Remove unnecessary
869 = vNULL initialization of file scope vec.
871 * name-lookup.c (store_bindings, store_class_bindings): Don't
872 initialize static local bindings_need_stored to vNULL.
874 * typeck2.c (process_init_constructor_record): Use
875 CONSTRUCTOR_NELTS (...) instead of
876 vec_safe_length (CONSTRUCTOR_ELTS (...)).
877 * decl.c (reshape_init_r): Likewise.
878 (check_initializer): Likewise.
880 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
883 * class.c (build_base_path): Allow for lookup_base returning
886 2016-09-21 Jason Merrill <jason@redhat.com>
889 * call.c (null_ptr_cst_p): Check char_type_p.
891 2016-09-21 Jakub Jelinek <jakub@redhat.com>
894 * init.c (build_new_1): Don't suggest to use -faligned-new if
895 aligned_new_threshold is non-zero.
896 (type_has_new_extended_alignment): Change aligned_new_threshhold
897 to aligned_new_threshold.
898 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
899 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
900 * decl.c (cxx_init_decl_processing): Likewise.
902 2016-09-20 Jakub Jelinek <jakub@redhat.com>
905 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
906 FIELD_DECLs with error_mark_node type. Remove useless break; after
910 * parser.c (cp_parser_template_declaration_after_parameter): For 2
911 argument operator"" template set ok to false for
912 parm == error_mark_node.
915 * parser.c (cp_parser_std_attribute_list): Reject ... without
918 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
921 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
923 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
926 * parser.c (cp_parser_class_head): When
927 processing_template_parmlist, don't assume that the
928 class-head may start an explicit specialization.
930 2016-09-16 Jakub Jelinek <jakub@redhat.com>
933 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
934 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
937 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
938 call is_really_empty_class on complete types.
941 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
942 TYPE_HAS_MUTABLE_P for any bases.
944 2016-09-16 Jason Merrill <jason@redhat.com>
946 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
948 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
949 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
951 2016-09-14 Jakub Jelinek <jakub@redhat.com>
954 * name-lookup.c (consider_binding_level): Look through TREE_LIST
957 2016-09-14 Marek Polacek <polacek@redhat.com>
959 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
960 expressions. Tweak an error message.
962 2016-09-14 Marek Polacek <polacek@redhat.com>
964 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
966 * decl2.c (one_static_initialization_or_destruction): Use true instead
968 * init.c (build_vec_init): Use false instead of 0.
969 * pt.c (tsubst_copy_and_build): Likewise.
970 * semantics.c (simplify_loop_decl_cond): Likewise.
971 * typeck.c (rationalize_conditional_expr): Likewise.
972 (cp_build_binary_op): Use true instead of 1.
973 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
975 (build_unary_op): Change nonconvert parameter type to bool.
976 (unary_complex_lvalue): Use false instead of 0.
978 2016-09-13 Jakub Jelinek <jakub@redhat.com>
980 Implement P0028R4, C++17 using attribute namespaces without repetition
981 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
982 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
983 ATTR_NS with non-scoped attribute tokens. Allow named ops in
985 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
986 to cp_parser_std_attribute calls.
987 (cp_parser_std_attribute_spec): Parse optional C++17
988 attribute-using-prefix, adjust grammar in function comment.
991 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
992 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
993 (cxx_eval_pointer_plus_expression): Remove.
994 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
995 call cxx_eval_pointer_plus_expression.
997 2016-09-13 David Malcolm <dmalcolm@redhat.com>
999 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1000 add_fixit_insert to add_fixit_insert_before.
1001 (cp_parser_class_head): Likewise.
1003 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1006 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1007 * class.c (instantiate_type): Look through the SAVE_EXPR.
1009 2016-09-09 Jason Merrill <jason@redhat.com>
1011 Implement P0035R4, C++17 new of over-aligned types.
1012 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1013 (align_type_node): New macro.
1014 * call.c (build_operator_new_call): Handle C++17 aligned new.
1015 (second_parm_is_size_t, build_op_delete_call): Likewise.
1016 (non_placement_deallocation_fn_p): Likewise. Rename to
1017 usual_deallocation_fn_p.
1018 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1019 * decl.c (cxx_init_decl_processing): Add aligned new support.
1020 * init.c (type_has_new_extended_alignment): New.
1021 (build_new_1): Handle aligned new.
1022 * tree.c (vec_copy_and_insert): New.
1024 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1027 * decl2.c (do_static_initialization_or_destruction): Only
1028 call asan_dynamic_init_call if INITP is true.
1030 2016-09-01 Martin Sebor <msebor@redhat.com>
1032 * mangle.c: Increase buffer size to guarantee it fits the output
1033 of the formatted function regardless of its arguments.
1035 2016-09-01 Marek Polacek <polacek@redhat.com>
1038 * error.c (dump_type): Fix falls through comment.
1039 (dump_decl): Likewise.
1040 (dump_expr): Likewise.
1042 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1044 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1045 hint to ">>" within nested template argument list error.
1047 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1049 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1050 rather than add_fixit_misspelled_id.
1051 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1053 2016-08-29 Jason Merrill <jason@redhat.com>
1056 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1057 (mangle_thunk): Add thunk parameter.
1058 * method.c (finish_thunk): Pass it.
1059 * cp-tree.h: Declare it.
1061 2016-08-15 Jason Merrill <jason@redhat.com>
1063 Avoid calling a trivial default constructor.
1064 * class.c (default_ctor_p): New.
1065 (in_class_defaulted_default_constructor): Use it.
1066 (type_has_non_user_provided_default_constructor): Use it.
1067 * call.c (build_over_call): Handle trivial default constructor.
1068 * cp-tree.h: Declare default_ctor_p.
1071 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1074 2016-08-25 Marek Polacek <polacek@redhat.com>
1076 * parser.c (cp_parser_binary_expression): Pass LHS to
1077 warn_logical_not_parentheses.
1079 2016-08-18 Marek Polacek <polacek@redhat.com>
1082 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1083 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1084 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1085 (cp_parser_cache_defarg): Likewise.
1087 2016-08-12 Marek Polacek <polacek@redhat.com>
1090 * call.c (add_builtin_candidate): Add FALLTHRU.
1091 (build_integral_nontype_arg_conv): Adjust fall through comment.
1092 (build_new_op_1): Add FALLTHRU.
1093 (convert_like_real): Adjust fall through comment.
1094 * class.c (fixed_type_or_null): Likewise.
1095 * constexpr.c (cxx_eval_constant_expression): Likewise.
1096 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1097 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1098 (cp_fold): Add FALLTHRU.
1099 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1100 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1101 (pp_cxx_qualified_id): Likewise.
1102 (cxx_pretty_printer::constant): Adjust fall through comment.
1103 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1104 (pp_cxx_pm_expression): Adjust fall through comment.
1105 (cxx_pretty_printer::expression): Add FALLTHRU.
1106 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1107 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1108 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1109 * error.c (dump_type): Adjust fall through comment.
1110 (dump_decl): Likewise.
1111 * mangle.c (write_type): Likewise.
1112 * method.c (synthesized_method_walk): Add FALLTHRU.
1113 * name-lookup.c (arg_assoc_type): Likewise.
1114 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1115 (cp_parser_primary_expression): Add FALLTHRU.
1116 (cp_parser_operator): Likewise.
1117 * pt.c (find_parameter_packs_r): Likewise.
1118 (tsubst_aggr_type): Adjust fall through comment.
1119 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1120 * tree.c (lvalue_kind): Likewise.
1122 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1125 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1126 (cp_function_decl_explicit_p): Const_tree-ify.
1127 (cp_function_decl_deleted_p): Likewise.
1128 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1129 (cp_function_decl_explicit_p): Const_tree-ify.
1130 (cp_function_decl_deleted_p): Likewise.
1131 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1133 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1136 * constexpr.c (label_matches): Handle case range expressions.
1138 2016-08-11 Jason Merrill <jason@redhat.com>
1141 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1143 2016-08-10 Jason Merrill <jason@redhat.com>
1145 Implement C++17 constexpr if.
1146 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1147 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1148 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1149 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1150 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1151 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1152 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1153 (finish_if_stmt_cond): Require the condition of a
1154 constexpr if to be constant.
1155 * decl.c (level_for_constexpr_if): New.
1156 (named_label_entry): Add in_constexpr_if field.
1157 (poplevel_named_label_1): Set it.
1158 (check_goto): Check it.
1159 (check_previous_goto_1): Check level_for_constexpr_if.
1161 2016-08-09 Jason Merrill <jason@redhat.com>
1164 * decl2.c (any_dependent_type_attributes_p): New.
1165 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1166 * semantics.c (finish_id_expression): Check it.
1167 * typeck.c (finish_class_member_access_expr): Check it.
1170 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1172 Adjust mangling of ABI tags on class template member functions.
1173 * class.c (missing_abi_tags): New.
1174 (check_abi_tags): Don't check template. Add just_checking mode.
1175 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1176 (sorted_abi_tags): Split out from write_abi_tags.
1177 (struct releasing_vec): New.
1178 (write_unqualified_name): Only look for the primary
1179 template for types. Implement backward compatibility.
1182 * constexpr.c (cxx_eval_constant_expression): Check
1183 COMPLETE_TYPE_P before calling is_really_empty_class.
1184 * class.c (is_really_empty_class): Don't call complete_type.
1187 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1189 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1192 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1193 builtin aggregate types without TYPE_BINFO.
1195 2016-08-08 Jason Merrill <jason@redhat.com>
1197 Implement C++17 constexpr lambda.
1198 * class.c (finalize_literal_type_property): Handle lambdas.
1199 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1200 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1202 (cxx_eval_constant_expression): Handle capture proxy.
1203 (var_in_constexpr_fn): Don't check for C++14.
1204 (var_in_maybe_constexpr_fn): New.
1205 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1206 declarations not allowed in constexpr function. Handle
1207 STATIC_ASSERT, RANGE_FOR_STMT.
1208 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1209 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1210 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1211 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1212 (lambda_static_thunk_p): New.
1213 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1214 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1215 (cp_parser_decl_specifier_seq): Handle it.
1216 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1217 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1218 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1219 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1220 (dump_expr) [FUNCTION_DECL]: Pass it.
1222 2016-08-08 Jason Merrill <jason@redhat.com>
1225 * class.c (is_really_empty_class): Call complete_type.
1226 * constexpr.c (cxx_eval_constant_expression): Check
1227 is_really_empty_class.
1228 (potential_constant_expression_1): Likewise. Check for error type.
1230 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1233 * parser.c: Include tree-iterator.h.
1234 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1236 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1239 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1241 * call.c (convert_like_real): Harmonize diagnostics for invalid
1244 2016-08-05 Martin Sebor <msebor@redhat.com>
1246 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1247 the spelling of "constant-expression" in diagnostic messages
1249 (cxx_eval_constant_expression): Same.
1250 (cxx_eval_outermost_constant_expr): Same.
1251 (potential_constant_expression_1): Same.
1253 2016-08-05 Nathan Sidwell <nathan@acm.org>
1256 * pt.c (unify): TRAIT_EXPR is an expr.
1258 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1261 * lambda.c (add_capture): Check lambda_capture_field_type return
1262 value for error_mark_node.
1264 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1267 * pt.c (tsubst_qualified_id): Return error_mark_node if
1268 template_args is error_mark_node.
1270 2016-08-04 Jason Merrill <jason@redhat.com>
1273 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1276 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1277 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1278 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1279 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1282 * typeck.c (finish_class_member_access_expr): Avoid stripping
1283 SCOPE_REF to dependent base.
1285 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1287 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1288 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1289 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1290 Simplify code, and improve diagnostics.
1291 (cp_parser_oacc_routine): Likewise. Move pragma context
1293 (cp_parser_pragma): ... here.
1295 * parser.h (struct cp_omp_declare_simd_data): New.
1296 (struct cp_parser): Use it for oacc_routine member.
1297 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1298 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1299 Use it. Simplify code.
1300 (cp_parser_new): Initialize all members pointing to special
1301 parsing data structures.
1302 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1303 parser->cilk_simd_fn_info->clauses.
1304 (cp_parser_omp_declare_simd): Initialize
1305 parser->omp_declare_simd->clauses.
1306 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1308 2016-08-04 Marek Polacek <polacek@redhat.com>
1311 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1314 2016-08-01 Jason Merrill <jason@redhat.com>
1316 * mangle.c (mangle_decl): Warn about mangled name change even if
1319 * mangle.c (get_abi_tags): New.
1320 (find_substitution, write_unqualified_name, write_abi_tags)
1321 (maybe_check_abi_tags): Use it.
1323 * mangle.c (mangle_decl): Fix mangled name change warning.
1326 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1328 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1331 2016-07-30 Martin Sebor <msebor@redhat.com>
1335 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1336 involving null pointers.
1337 (cxx_eval_component_reference): Reject null pointer dereferences.
1338 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1339 (cxx_eval_constant_expression): Reject invalid expressions involving
1342 2016-07-29 Marek Polacek <polacek@redhat.com>
1345 * semantics.c (maybe_convert_cond): Use the location of COND for the
1346 parentheses warning.
1348 2016-07-29 Jason Merrill <jason@redhat.com>
1350 * decl.c (build_enumerator): Tweak diagnostic.
1353 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1354 * constexpr.c (build_data_member_initialization): Handle multiple
1355 initializers for the same field.
1357 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1360 * decl.c (build_enumerator): Check the type of the enumerator before
1361 calling cxx_constant_value.
1363 2016-07-27 Jason Merrill <jason@redhat.com>
1366 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1367 parameters with spec_tmpl. Call push_tinst_level.
1368 (most_specialized_partial_spec): Adjust.
1369 (more_specialized_partial_spec): Adjust.
1371 2016-07-25 Jason Merrill <jason@redhat.com>
1374 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1377 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1378 (build_lambda_object): Call build_x_compound_expr_from_list.
1379 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1383 * pt.c (coerce_template_parameter_pack): Fix logic for
1387 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1388 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1392 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1393 value of an element we're currently modifying.
1395 2016-07-24 Jason Merrill <jason@redhat.com>
1398 * pt.c (resolve_typename_type): Try to avoid calling
1399 currently_open_class.
1401 2016-07-23 Jason Merrill <jason@redhat.com>
1404 * call.c (add_list_candidates): Handle VTT parm.
1405 (build_new_method_call_1): Likewise.
1409 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1412 * class.c (walk_subobject_offsets): Handle 0-length array.
1415 * pt.c (tsubst): Also substitute into the template of a
1416 BOUND_TEMPLATE_TEMPLATE_PARM.
1419 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1422 * decl.c (reshape_init_r): Check complain for missing braces warning.
1424 2016-07-22 Jason Merrill <jason@redhat.com>
1427 * call.c (convert_like_real): Use lvalue_kind.
1431 * pt.c (tsubst_baselink): Call
1432 adjust_result_of_qualified_name_lookup for unqualified
1435 2016-07-21 Jason Merrill <jason@redhat.com>
1438 * semantics.c (apply_deduced_return_type): Call
1439 complete_type_or_else before building the new RESULT_DECL.
1442 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1443 (decl_constant_var_p): Use it instead.
1446 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1450 * call.c (unsafe_copy_elision_p): It's OK to elide when
1451 initializing an unknown object.
1453 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1454 trivial constructors.
1455 * method.c (do_build_copy_constructor): Don't copy tail padding
1456 even in a trivial constructor.
1458 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1461 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1462 Replace assert with test, return false if the goto isn't break
1463 or continue. Formatting fix.
1465 2016-07-21 Richard Biener <rguenther@suse.de>
1467 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1470 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1473 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1474 save/restore bc_label array.
1476 2016-07-21 Jason Merrill <jason@redhat.com>
1479 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1480 error parsing the lambda-declarator.
1483 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1484 between lowered and unlowered PTRMEM_CST.
1487 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1488 Don't set c_inhibit_evaluation_warnings.
1491 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1493 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1494 Jason Merrill <jason@redhat.com>
1496 Improving concepts performance and diagnostics.
1500 * cp-tree.def (CHECK_CONSTR): New.
1501 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1502 (CHECK_CONSTR_ARGS): New.
1503 * constraint.cc (make_predicate_constraint): Remove in favor of
1504 normalize_expression.
1505 (resolve_constraint_check): Actually return error_mark_node when
1507 (resolve_variable_concept_check): Perform coercion as if processing
1508 a template. Also return errors on resolution failure.
1509 (lift_*): Remove all of these functions. Don't unnecessarily inline
1511 (learn_*): Add facilities to memoize implications for subsumption
1512 during normalization.
1513 (expanding_concept): New.
1514 (expand_concept): New. Return the inlined and normalized definition
1515 of a concept when needed.
1516 (transform_*, xform_*): Rename to normalize_* to better reflect the
1517 responsibility of those functions.
1518 (normalize_template_id_expression): Check for non-boolean operands
1519 when possible. Generate check constraints instead of normal variable
1521 (normalize_call_expression): Report errors when resolution fails.
1522 (check_for_logical_overloads): Rewrite this check to more accurately
1524 (normalize_atom): Check for overloaded calls and invalid types before
1525 determining if the expression refers to a concept.
1526 (build_constraints): Don't cache normalized constraints or decomposed
1528 (finish_shorthand_constraint): Return a normalized expression instead
1529 of a predicate constraint.
1530 (finish_template_introduction): Same.
1531 (placeholder_extract_concept_and_args): Rewrite this since we only
1532 ever get check constraints here.
1533 (equivalent_placeholder_constraints): Rewrite in terms of check
1534 constraints, and handle error_mark_nodes correctly.
1535 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1536 (tsubst_implicit_conversion_constr)
1537 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1538 (tsubst_parameterized_constraint, tsubst_constraint): New.
1539 (tsbust_conjunection): Replace with tsubst_logical_operator and
1540 actually generate the right kind of constraint.
1541 (tsubst_requirement_body): Reverse the order of substituted arguments
1542 so that they appear in the order written (helps diagnostics).
1543 (satisfy_check_constraint): New.
1544 (satisfy_conjunction): Simplify.
1545 (satisfy_disjunction): Same.
1546 (satisfy_constraint_1): Handle check constraints.
1547 (eval_constr): New (private) global state.
1548 (evaluating_constraints_sentinel): New. Manages eval_constr.
1549 (satisfy_constraint): Add timing variables.
1550 (satisfy_associated_constraints): Add hooks for memoization.
1551 (evaluate_function_concept): Build a check constraint instead of
1552 normalizing its definition.
1553 (evaluate_variable_concept): Same.
1554 (evaluate_constraint_expression): Normalize, but in the current
1555 declaration processing context.
1556 (evaluating_constraints_p): New.
1557 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1558 (diagnose_*): Remove artificial indentation. Add a new parameter to
1559 each that tracks the current (complete) constraint prior to any
1561 (diagnose_expression): Removed.
1562 (diagnose_call_expression): Same.
1563 (diagnose_template_id): Same.
1564 (diagnose_template_id): New.
1565 (diagnose_logical_constraint): New.
1566 (diagnose_expression_constraint): Show the original expression.
1567 (diagnose_type_constraint): Show the original type.
1568 (diagnose_implicit_conversion_constraint): Be specific about
1569 failures, don't re-diagnose a known-to-be-failed substitutions,
1570 and manage elisions properly.
1571 (diagnose_argument_deduction_constraint): Same.
1572 (diagnose_exception_constraint): Same.
1573 (diagnose_parameterized_constraint): Same.
1574 (constraint_p): Allow EXPR_PACK_EXPANSION.
1575 * logic.cc (next_by_distance): Removed. No longer used.
1576 (any_p): Renamed from any_of.
1577 (term_entry, term_hasher): New.
1578 (term_list): Rewrite to include a hash table for quick lookup.
1579 Also, make less stateful.
1580 (proof_state): Extend to allow goals to be discharged once
1582 (non_atomic_constraint_p): New.
1583 (any_non_atomic_constraints_p): New.
1584 (...rest...): Previous implementation completely replaced with an
1585 iterative algorithm that opportunistically prunes the search space
1586 before committing to using more memory.
1587 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1588 (cp_parser_explicit_template_declaration): Same.
1589 * pt.c: (finish_template_variable): Be less redundant with this error
1591 (template_args_equal): No longer static.
1592 (tsubst_decl): Don't try to find specializations of variables that
1593 have already been instantiated.
1594 (build_non_dependent_expr): Avoid infinite recursion during concept
1596 (make_constrained_auto): Normalize constraints.
1597 (do_auto_deduction): When doing auto deduction from a
1598 partial-concept-id, be sure to include the explicit args checking
1600 (constraint_sat_*): New. Memoize satisfied constraints.
1601 (concept_spec_*): New. Memoize expressions associated with a concept
1603 (constraint_memos, concept_memos): New.
1604 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1605 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1606 (get_concept_expansion, save_concept_expansion): New.
1607 (hash_subsumption_args): New.
1608 (comp_subsumption_args): New.
1609 (subsumption_*): New. Memoize parts of the subsumption relation.
1610 (lookup_subsumption_result, save_subsumption_result): New.
1611 (init_constraint_processing): Initialize memo tables.
1612 (get_constraints): Shortcut if !flag_concepts.
1613 * decl.c (grokfndecl): Normalize constraints.
1614 * error.c (dump_simple_decl): Print "concept" when appropriate.
1615 (dump_function_decl): Same.
1616 (dump_template_decl): Don't write requirements when we're not
1617 printing the header.
1618 (dump_expr): Handle fold expressions.
1619 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1621 (get_fold_operator): New.
1622 (pp_cxx_unary_left_fold_expression): New.
1623 (pp_cxx_unary_right_fold_expression): New.
1624 (pp_cxx_binary_fold_expression): New.
1625 (pp_cxx_check_constraint): New.
1626 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1627 to make them easier to read when debugging.
1628 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1629 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1631 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1635 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1637 (suggest_alternatives_for): If no candidates are found, try
1638 lookup_name_fuzzy and report if if finds a suggestion.
1639 (consider_binding_level): New function.
1640 (lookup_name_fuzzy) New function.
1641 * parser.c: Include gcc-rich-location.h.
1642 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1644 (cp_keyword_starts_decl_specifier_p): ...this new function.
1645 (cp_parser_diagnose_invalid_type_name): When issuing
1646 "does not name a type" errors, attempt to make a suggestion using
1648 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1649 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1650 types that are not CLASS_TYPE_P, rather than rejecting individual
1653 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1656 * parser.c (cp_parser_save_member_function_body): Consume
1657 __transaction_relaxed or __transaction_atomic with optional
1658 attribute. Only skip catch with block if try keyword is seen.
1661 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1662 when evaluating call arguments. Use fold_builtin_call_array instead
1663 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1664 check the result with potential_constant_expression and call
1665 cxx_eval_constant_expression on it.
1667 2016-07-19 Jason Merrill <jason@redhat.com>
1670 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1671 handle ARGUMENT_PACK_SELECT.
1673 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1677 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1678 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1679 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1683 * call.c (build_op_call_1): Use convert_like_with_context only
1684 if cand->fn is a decl.
1687 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1688 For lval don't use cxx_eval_unary_expression and instead recurse
1689 and if needed rebuild the reference.
1692 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1695 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1696 fold *expr_p before genericizing it.
1699 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1701 2016-07-15 Jason Merrill <jason@redhat.com>
1704 * call.c (convert_like_real): Mask complain.
1705 * semantics.c (perform_koenig_lookup): Likewise.
1708 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1709 threw away DECL_SAVED_TREE.
1713 * call.c (add_template_conv_candidate): Disable if there are
1717 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1720 * pt.c (tsubst_attributes): Fix loop logic.
1724 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1725 (cp_parser_simple_declaration): Diagnose type definition in
1726 for-range-declaration.
1729 * operators.def: Add *_FOLD_EXPR.
1730 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1731 * mangle.c (write_expression): Handle fold-expressions.
1732 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1733 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1734 partial instantiation.
1737 * mangle.c (write_expression): Handle sizeof... an argument pack.
1740 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1743 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1744 artificial variables.
1746 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1748 * parser.c (cp_parser_oacc_declare): Don't scan for
1750 * semantics.c (handle_omp_array_sections): Mark data clauses with
1751 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1752 zero-length subarrays.
1754 2016-07-11 Jason Merrill <jason@redhat.com>
1756 * decl.c (store_parm_decls): Remove check for void parm.
1758 2016-07-08 Jason Merrill <jason@redhat.com>
1760 * cp-tree.h: Unpoison lvalue_p.
1761 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1762 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1765 * tree.c (obvalue_p): Rename from lvalue_p.
1766 (lvalue_p): Define for c-common.
1767 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1769 (cp_build_addr_expr_1): Remove obsolete code.
1771 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1772 * call.c, cp-tree.h, typeck.c: Adjust.
1774 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1776 P0145R2: Refining Expression Order for C++.
1777 * cp-gimplify.c (lvalue_has_side_effects): New.
1778 (cp_gimplify_expr): Implement assignment ordering.
1779 * call.c (op_is_ordered, build_over_call): Adjust for
1780 -fargs-in-order renaming to -fstrong-eval-order.
1781 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1783 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1784 Kai Tietz <ktietz70@googlemail.com>
1788 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1789 artificial vars, genericize their initializers.
1791 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1794 * parser.c (cp_parser_class_specifier_1): When reporting
1795 missing semicolons, use a fixit-hint to suggest insertion
1796 of a semicolon immediately after the closing brace,
1797 offsetting the reported column accordingly.
1799 2016-07-04 Jan Beulich <jbeulich@suse.com>
1801 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1803 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1805 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1806 Move pragma context checking into...
1807 (cp_parser_omp_cancellation_point): ... here, and improve
1808 diagnostic messages.
1809 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1810 Improve diagnostic messages.
1812 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1814 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1816 2016-06-24 Jason Merrill <jason@redhat.com>
1818 P0145R2: Refining Expression Order for C++.
1819 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1821 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1822 (build_target_expr): Call mark_rvalue_use.
1824 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1826 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1827 (build_over_call): For magic == 3, do no conversion only on 3rd
1830 2016-06-23 Andi Kleen <ak@linux.intel.com>
1832 * Make-lang.in: Add support for autofdo.
1834 2016-06-21 Jason Merrill <jason@redhat.com>
1836 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1837 args as our template has levels of parms.
1839 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1840 (type_dependent_expression_p): Use uses_outer_template_parms.
1842 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1844 * parser.c (cp_parser_string_literal): Convert non-standard
1845 concatenation error to directly use a rich_location, and
1846 use that to add the location of the first literal to the
1849 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1851 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1853 * error.c (dump_function_decl): Save the constexpr specifier too.
1855 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1857 * tree.c (builtin_valid_in_constant_expr_p): Test for
1858 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1860 (bot_manip): Likewise.
1861 * call.c (magic_varargs_p): Likewise.
1863 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1865 * decl.c (grokfndecl): Change pair of errors to error + inform.
1867 2016-06-17 Jason Merrill <jason@redhat.com>
1870 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1871 warning when there are dependent bases.
1873 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1875 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1876 processing_template_decl when checking for bitfields and unions.
1877 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1878 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1879 array sections with COMPONENT_REF bases.
1881 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1883 * parser.c (cp_parser_omp_var_list_no_open): Call
1884 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1885 * semantics.c (finish_omp_clauses): Don't ICE when
1886 processing_template_decl when checking for bitfields and unions.
1887 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1889 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1891 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
1892 "%qF" in warning_at instead of "%q+F" in warning.
1893 (check_redeclaration_exception_specification): Likewise in pedwarn
1894 (and error, inform, for consistency).
1895 * call.c (joust): Likewise.
1897 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1900 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
1901 code at the end of the for loop; also revert r159637 changes,
1902 add back the gcc_assert.
1903 * cp-tree.h (xref_basetypes): Adjust declaration.
1904 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
1906 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1908 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
1910 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1912 * typeck.c: Include "gcc-rich-location.h".
1913 (finish_class_member_access_expr): Simplify fixit code by
1914 using gcc_rich_location::add_fixit_misspelled_id.
1916 2016-06-14 Jason Merrill <jason@redhat.com>
1918 P0145R2: Refining Expression Order for C++.
1919 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
1920 (CALL_EXPR_REVERSE_ARGS): New.
1921 * call.c (build_new_op_1): Set them.
1922 (extract_call_expr, op_is_ordered): New.
1923 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
1924 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
1925 * pt.c (tsubst_copy_and_build): Copy new flags.
1926 * semantics.c (simplify_aggr_init_expr): Likewise.
1927 * tree.c (build_aggr_init_expr): Likewise.
1928 (build_min_non_dep_op_overload): Likewise.
1930 2016-06-14 Jakub Jelinek <jakub@redhat.com>
1933 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
1934 olddecl vars, preserve their TREE_READONLY bit.
1937 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
1939 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
1941 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
1943 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
1945 * decl.c (grokdeclarator): Fix typo in pedwarn text.
1947 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
1950 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
1953 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
1957 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
1960 * parser.c (cp_parser_class_head): When xref_basetypes fails and
1961 emits an error do not zero the type.
1963 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1965 * decl.c (maybe_deduce_size_from_array_init): Use
1966 DECL_SOURCE_LOCATION in error_at.
1967 (layout_var_decl): Likewise.
1968 (check_array_initializer): Likewise.
1969 (check_initializer): Likewise.
1970 (duplicate_decls, check_elaborated_type_specifier): Tidy.
1972 2016-06-08 Martin Sebor <msebor@redhat.com>
1973 Jakub Jelinek <jakub@redhat.com>
1977 * constexpr.c: Include gimple-fold.h.
1978 (cxx_eval_internal_function): New function.
1979 (cxx_eval_call_expression): Call it.
1980 (potential_constant_expression_1): Handle integer arithmetic
1982 * tree.c (builtin_valid_in_constant_expr_p): Handle
1983 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
1985 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
1987 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
1988 return value of tsubst_aggr_type for error_mark_node.
1990 2016-06-08 Jakub Jelinek <jakub@redhat.com>
1993 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
1995 2016-06-06 Jakub Jelinek <jakub@redhat.com>
1996 Patrick Palka <ppalka@gcc.gnu.org>
2001 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2002 right after cp_fold call if cp_fold has returned the same stmt
2003 already in some earlier cp_fold_r call.
2004 (cp_fold_function): Add pset automatic variable, pass its address
2007 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2010 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2011 emits an error do not zero the type.
2013 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2016 * decl.c (duplicate_decls): Properly copy the
2017 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2018 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2020 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2022 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2023 arguments as addressable when async clause exists.
2025 2016-06-02 Jan Hubicka <jh@suse.cz>
2027 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2030 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2032 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2033 (start_enum): Likewise.
2034 * parser.c (cp_parser_class_head): Likewise.
2036 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2039 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2040 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2041 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2042 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2043 to the newly built tree.
2045 2016-05-31 Jason Merrill <jason@redhat.com>
2047 * pt.c (instantiate_decl): Avoid recalculation.
2052 * pt.c (instantiate_template_1): Don't put the partial
2053 specialization in DECL_TI_TEMPLATE.
2054 (partial_specialization_p, impartial_args): Remove.
2055 (regenerate_decl_from_template): Add args parm.
2056 (instantiate_decl): Look up the partial specialization again.
2059 * pt.c (check_explicit_specialization): Give better diagnostic about
2060 specializing a hidden friend.
2062 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2065 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2066 to obtain correct locations; avoid redundant diagnostics on
2067 out-of-class definitions.
2069 2016-05-30 Martin Sebor <msebor@redhat.com>
2072 * init.c (warn_placement_new_too_small): Handle placement new arguments
2073 that are elements of arrays more carefully. Remove a pointless loop.
2075 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2078 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2079 when combined with target construct.
2080 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2081 to cp_parser_omp_all_clauses.
2083 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2086 * lex.c (unqualified_name_lookup_error): Take a location too.
2087 (unqualified_fn_lookup_error): Take a cp_expr.
2088 * cp-tree.h (unqualified_name_lookup_error,
2089 unqualified_fn_lookup_error): Adjust declarations.
2090 * semantics.c (perform_koenig_lookup): Adjust
2091 unqualified_fn_lookup_error call, pass the location of
2092 the identifier too as part of a cp_expr.
2094 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2097 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2098 to improve the diagnostic about wrong uses of 'virtual'.
2100 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2103 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2104 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2106 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2110 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2111 decls into the global scope after stripping template bits
2112 and setting DECL_ANTICIPATED.
2114 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2117 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2119 * name-lookup.h (push_namespace): Adjust declaration.
2120 * parser.c (cp_parser_namespace_definition): Check push_namespace
2123 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2126 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2127 decls into the global scope after stripping template bits
2128 and setting DECL_ANTICIPATED.
2130 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2132 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2133 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2135 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2139 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2141 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2142 on the qualified_id then propagate it to the resulting
2144 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2146 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2147 its REF_PARENTHESIZED_P flag.
2149 2016-05-25 Jason Merrill <jason@redhat.com>
2153 * cp-tree.h (enum tag_types): Add scope_type.
2154 * parser.c (cp_parser_class_name): Use scope_type.
2155 (prefer_type_arg): Handle scope_type.
2156 (cp_parser_lookup_name): Use prefer_type_arg.
2157 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2158 int prefer_type, use lookup_flags.
2159 * name-lookup.h: Adjust.
2161 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2163 * parser.c (cp_parser_oacc_declare): Add support for
2164 GOMP_MAP_FIRSTPRIVATE_POINTER.
2165 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2166 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2168 (handle_omp_array_sections): Replace bool is_omp argument with enum
2169 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2170 (finish_omp_clauses): Add specific errors and warning messages for
2171 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2172 call to handle_omp_array_sections.
2174 2016-05-24 Jason Merrill <jason@redhat.com>
2177 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2179 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2181 2016-05-24 Martin Sebor <msebor@redhat.com>
2184 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2185 * pt.c (instantiate_class_template_1): Try to complete the element
2186 type of a flexible array member.
2187 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2188 * typeck.c (complete_type): Also complete the type of the elements of
2189 arrays with an unspecified bound.
2191 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2194 * typeck2.c (check_narrowing): Check pedwarn return value.
2196 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2199 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2200 For OMP_CLAUSE_LINEAR_REF don't require type to be
2201 integral or pointer.
2203 2016-05-24 Richard Biener <rguenther@suse.de>
2207 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2208 * constexpr.c (cxx_eval_array_reference): Handle indexed
2210 * typeck.c (cp_build_array_ref): Adjust.
2212 2016-05-23 Jason Merrill <jason@redhat.com>
2215 * constexpr.c (cxx_eval_call_expression): Check for
2216 fun == current_function_decl again.
2219 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2220 maybe_undo_parenthesized_ref.
2223 * pt.c (tsubst_copy): Just return a local variable from
2224 non-template context. Don't call rest_of_decl_compilation for
2225 duplicated static locals.
2226 (tsubst_decl): Set DECL_CONTEXT of local static from another
2229 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2232 * method.c (forward_parm): Use cp_build_reference_type.
2234 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2237 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2239 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2241 * pt.c (check_for_bare_parameter_packs): Improve error message
2242 location for expressions.
2244 2016-05-20 Nathan Sidwell <nathan@acm.org>
2246 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2248 (cxx_eval_call_expression): Fix comment grammar.
2250 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2253 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2254 and return immediately in case of erroneous code.
2256 2016-05-19 Marek Polacek <polacek@redhat.com>
2259 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2261 2016-05-19 Jason Merrill <jason@redhat.com>
2264 * pt.c (fn_type_unification): Add outer template args if needed.
2265 (type_unification_real): Handle getting full args.
2267 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2270 * parser.c (cp_parser_operator): For array new/delete, check that
2271 cp_parser_require returned a non-NULL token before dereferencing
2274 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2276 * decl.c (finish_enum_value_list): Use the specified mode.
2278 2016-05-18 Jason Merrill <jason@redhat.com>
2280 * pt.c (value_dependent_expression_p): Tweak new cases to better
2281 match the wording in the standard.
2283 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2286 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2287 when the previous cp_lexer_peek_token returns CPP_EOF.
2289 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2292 * call.c (convert_like_real): Check that we are actually converting
2295 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2297 * decl.c (grokdeclarator): Remove errmsg and use of
2298 targetm.invalid_return_type.
2299 (grokparms): Remove errmsg and use of
2300 targetm.invalid_parameter_type.
2302 2016-05-13 Jason Merrill <jason@redhat.com>
2306 * pt.c (tsubst_decl): Use uses_template_parms.
2307 (instantiate_template_1): Handle non-dependent calls in templates.
2308 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2309 (type_dependent_expression_p): Only consider innermost template args.
2310 (dependent_template_arg_p): Check enclosing class of a template here.
2311 (dependent_template_p): Not here.
2312 (type_dependent_object_expression_p): New.
2313 * typeck.c (finish_class_member_access_expr): Use it.
2314 * parser.c (cp_parser_postfix_expression): Use it.
2315 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2316 to detect the current instantiation.
2317 (cp_parser_lookup_name): Really implement DR 141.
2318 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2319 (any_dependent_bases_p): Split out from...
2320 * name-lookup.c (do_class_using_decl): ...here.
2321 * call.c (build_new_method_call_1): Use it.
2322 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2323 * tree.c (non_static_member_function_p): Remove.
2324 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2326 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2327 complete_type_or_else for unknown_type_node, too.
2329 2016-05-12 Marek Polacek <polacek@redhat.com>
2332 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2333 * cp-tree.h (cp_build_modify_expr): Update declaration.
2334 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2336 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2337 cp_build_modify_expr.
2338 * decl2.c (set_guard): Likewise.
2339 (handle_tls_init): Likewise.
2340 * init.c (perform_member_init): Likewise.
2341 (expand_virtual_init): Likewise.
2342 (build_new_1): Likewise.
2343 (build_vec_delete_1): Likewise.
2344 (get_temp_regvar): Likewise.
2345 (build_vec_init): Likewise.
2346 * method.c (do_build_copy_assign): Likewise.
2347 (assignable_expr): Likewise.
2348 * semantics.c (finish_omp_for): Likewise.
2349 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2351 (cp_pointer_int_sum): Add location parameter. Pass it down to
2353 (pointer_diff): Add location parameter. Use it.
2354 (build_modify_expr): Pass location down to cp_build_modify_expr.
2355 (cp_build_modify_expr): Add location parameter. Use it.
2356 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2357 * typeck2.c (cxx_incomplete_type_diagnostic,
2358 cxx_incomplete_type_error): Add location parameter.
2360 2016-05-11 Marek Polacek <polacek@redhat.com>
2363 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2365 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2367 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2368 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2370 2016-05-04 Marek Polacek <polacek@redhat.com>
2372 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2373 with OPT_Wdangling_else.
2375 2016-05-03 Martin Sebor <msebor@redhat.com>
2378 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2379 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2381 2016-05-03 Marek Polacek <polacek@redhat.com>
2384 * call.c (build_cxx_call): Pass location and vNULL down to
2385 check_builtin_function_arguments.
2387 2016-05-03 Richard Biener <rguenther@suse.de>
2389 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2390 the checksum from the previous stage.
2392 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2395 * typeck.c (finish_class_member_access_expr): When
2396 giving a hint about a possibly-misspelled member name,
2397 add a fix-it replacement hint.
2399 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2401 * cp-tree.h (finish_omp_clauses): Update prototype.
2402 * parser.c (cp_parser_oacc_all_clauses): Update call to
2404 (cp_parser_omp_all_clauses): Likewise.
2405 (cp_parser_omp_for_loop): Likewise.
2406 (cp_omp_split_clauses): Likewise.
2407 (cp_parser_oacc_cache): Likewise.
2408 (cp_parser_oacc_loop): Likewise.
2409 (cp_parser_omp_declare_target):
2410 (cp_parser_cilk_simd_all_clauses): Likewise.
2411 (cp_parser_cilk_for): Likewise.
2412 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2413 arguments with enum c_omp_region_type ort.
2414 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2415 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2416 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2417 (tsubst_expr): Update calls to tsubst_omp_clauses.
2418 * semantics.c (finish_omp_clauses): Replace bool arguments
2419 allow_fields, declare_simd, and is_cilk with bitmask ort.
2420 (finish_omp_for): Update call to finish_omp_clauses.
2422 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2425 * parser.c (cp_parser_class_head): Capture the start location;
2426 use it to emit a fix-it insertion hint when complaining
2427 about missing "template <> " in explicit specializations.
2429 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2431 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2433 2016-05-02 Richard Biener <rguenther@suse.de>
2435 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2438 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2441 * class.c (check_field_decl): Remove final int* parameter, change
2442 the return type to bool; fix logic in order not to reject multiple
2443 initialized fields in anonymous struct.
2444 (check_field_decls): Adjust call.
2446 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2449 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2450 OACC_LOOP_CLAUSE_MASK.
2451 (cp_parser_oacc_kernels_parallel): Update call to
2452 c_oacc_split_loop_clauses.
2454 2016-04-28 Jason Merrill <jason@redhat.com>
2456 Implement C++17 [[nodiscard]] attribute.
2459 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2460 * tree.c (handle_nodiscard_attribute): New.
2461 (cxx_attribute_table): Add [[nodiscard]].
2462 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2463 (maybe_warn_nodiscard): New.
2464 (convert_to_void): Call it.
2466 * cvt.c (cp_get_callee): New.
2467 * constexpr.c (get_function_named_in_call): Use it.
2468 * cxx-pretty-print.c (postfix_expression): Use it.
2469 * except.c (check_noexcept_r): Use it.
2470 * method.c (check_nontriv): Use it.
2471 * tree.c (build_aggr_init_expr): Use it.
2472 * cp-tree.h: Declare it.
2474 2015-04-27 Ryan Burn <contact@rnburn.com>
2475 Jeff Law <law@redhat.com>
2479 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2480 instead of cilk_detect_spawn_and_unwrap.
2481 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2483 (cilk_cp_detect_spawn_and_unwrap): New.
2484 * lambda.c: Include cp-cilkplus.h.
2485 * parser.c: Include cp-cilkplus.h.
2486 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2487 * cp-cilkpus.h: New file.
2489 2016-04-27 Nathan Sidwell <nathan@acm.org>
2491 * constexpr.c (get_fundef_copy): Use the original function for
2492 non-recursive evaluations.
2493 (save_fundef_copy): Always expect a slot to be available.
2495 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2497 * parser.c (cp_parser_postfix_expression): Call
2498 warn_for_memset instead of warning directly here.
2500 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2503 * decl.c (build_enumerator): Set current_access_specifier when
2504 declaring an enumerator belonging to an in-class enumeration.
2505 * parser.c (cp_parser_check_access_in_redecleration): Also
2506 consider in-class enumerations.
2508 2016-04-26 Marek Polacek <polacek@redhat.com>
2511 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2512 instead of stabilize_reference.
2513 (build_over_call): Likewise.
2514 * cp-tree.h (cp_stabilize_reference): Declare.
2515 * tree.c (cp_stabilize_reference): New function.
2516 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2517 stabilize_reference.
2518 (unary_complex_lvalue): Likewise.
2519 (cp_build_modify_expr): Likewise.
2521 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2524 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2527 2016-04-25 Jason Merrill <jason@redhat.com>
2529 * tree.c (std_attribute_table): New.
2530 (init_tree): Register it.
2532 2016-04-22 Jason Merrill <jason@redhat.com>
2534 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2536 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2538 * name-lookup.c (free_saved_scope): New free list of saved_scope
2540 (push_to_top_level): Attempt to reuse a saved_scope struct
2541 from free_saved_scope instead of allocating a new one each time.
2542 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2543 onto free_saved_scope.
2545 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2548 * semantics.c (process_outer_var_ref): Unconditionally return
2549 error_mark_node when mark_used returns false.
2551 2016-04-21 Marek Polacek <polacek@redhat.com>
2554 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2555 extra qualification.
2557 2016-04-20 Nathan Sidwell <nathan@acm.org>
2560 * init.c (build_vec_delete_1): Protect operator delete call in try
2562 (build_delete): Likewise.
2563 * optimize.c (build_delete_destructor_body): Likewise.
2565 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2568 * cp-tree.h (finish_omp_clauses): Add new default argument.
2569 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2570 instead of c_finish_cilk_clauses.
2571 * semantics.c (finish_omp_clauses): Add new argument. Allow
2572 floating-point variables in the linear clause for Cilk Plus.
2574 2016-04-20 Nathan Sidwell <nathan@acm.org>
2576 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2579 2016-04-19 Jason Merrill <jason@redhat.com>
2582 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2583 * pt.c (make_pack_expansion): Call mark_exp_read.
2584 * semantics.c (finish_id_expression): Call mark_type_use in
2585 unevaluated context.
2588 * call.c (implicit_conversion): If we choose a copy constructor
2589 for list-initialization from the same type, the conversion is an
2592 * constexpr.c (breaks): Handle EXIT_EXPR.
2593 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2594 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2599 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2602 * pt.c (tsubst_expr): Remove shadowing declaration.
2603 (tsubst_pack_expansion): Add assert.
2605 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2608 * name-lookup.c (qualified_lookup_using_namespace): Look through
2611 2016-04-18 Michael Matz <matz@suse.de>
2613 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2614 (layout_class_type): Ditto.
2615 (build_base_field): Use SET_DECL_ALIGN.
2616 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2617 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2618 (record_unknown_type): Use SET_TYPE_ALIGN.
2619 (cxx_init_decl_processing): Ditto.
2620 (copy_type_enum): Ditto.
2621 (grokfndecl): Use SET_DECL_ALIGN.
2622 (copy_type_enum): Use SET_TYPE_ALIGN.
2623 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2625 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2626 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2627 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2628 * rtti.c (emit_tinfo_decl): Ditto.
2630 2016-04-18 Jason Merrill <jason@redhat.com>
2634 * class.c (type_maybe_constexpr_default_constructor): New.
2635 (type_has_constexpr_default_constructor): Revert.
2637 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2641 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2642 (handle_com_interface_attribute): Delete.
2644 2016-04-15 Jason Merrill <jason@redhat.com>
2647 * constexpr.c (get_fundef_copy): Handle null *slot.
2650 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2651 unknown_type_node, too.
2653 2016-04-15 Jason Merrill <jason@redhat.com>
2654 Nathan Sidwell <nathan@acm.org>
2657 * constexpr.c (constexpr_call_table): Preserve in GC.
2658 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2659 (fundef_copies_table): Preserve in GC. Change to pointer to
2661 (maybe_initialize_fundef_copies_table): Adjust.
2662 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2663 (save_fundef_copy): Adjust for a TREE_LIST.
2664 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2665 (fini_constexpr): New.
2666 * cp-tree.h (fini_constexpr): Declare.
2667 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2669 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2672 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2674 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2675 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2676 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2677 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2678 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2679 cp_parser_statement.
2680 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2681 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2682 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2683 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2684 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2685 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2686 cp_parser_omp_taskloop, cp_parser_omp_construct,
2687 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2688 Add IF_P argument, pass it down where needed.
2689 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2690 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2693 2016-04-14 Jason Merrill <jason@redhat.com>
2696 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2697 * typeck2.c (split_nonconstant_init_1): Use it.
2700 * class.c (type_has_constexpr_default_constructor): Return true
2701 for an implicitly declared constructor.
2704 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2705 (cp_parser_simple_declaration): Pass it.
2706 (strip_declarator_types): New.
2709 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2710 initializer also makes the variable value-dependent.
2713 * constexpr.c (cxx_eval_store_expression): Also copy
2714 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2716 2016-04-14 Martin Sebor <msebor@redhat.com>
2721 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2723 2016-04-14 Jason Merrill <jason@redhat.com>
2725 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2726 parameter ABI change.
2728 2016-04-13 Martin Sebor <msebor@redhat.com>
2733 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2735 * decl.c (check_initializer, cp_finish_decl): Call them.
2736 (reshape_init_r): Reject incompletely braced intializer-lists
2738 * init.c (throw_bad_array_length, build_vla_check)
2739 (build_vla_size_check, build_vla_init_check): Define new functions.
2740 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2742 (store_init_value): Same.
2744 2016-04-13 Jason Merrill <jason@redhat.com>
2746 Warn about empty parameter ABI with -Wabi=9.
2747 * call.c (empty_class_msg, mark_for_abi_warning)
2748 (warn_empty_class_abi): New.
2749 (build_call_a): Use them.
2750 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2751 * error.c (pp_format_to_string): New.
2753 Pass empty class parameters like C.
2754 * call.c (pass_as_empty_struct, empty_class_arg): New.
2755 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2756 (build_call_a): Use empty_class_arg.
2757 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2758 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2760 2016-04-13 Jason Merrill <jason@redhat.com>
2763 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2765 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2768 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2769 avoidance mechanism.
2771 2016-04-13 Jason Merrill <jason@redhat.com>
2774 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2775 from instantiation_dependent_expression_p.
2776 (value_dependent_expression_p): Use it for unevaluated operands.
2777 (instantiation_dependent_r): Don't check value-dependence.
2778 (instantiation_dependent_expression_p): Check
2779 value-dependence of the expression as a whole.
2780 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2781 * semantics.c (finish_decltype_type): Use it.
2783 * constexpr.c (potential_nondependent_constant_expression): New.
2784 (potential_nondependent_static_init_expression): New.
2785 (maybe_constant_value_1, fold_non_dependent_expr)
2786 (maybe_constant_init): Use them.
2787 * pt.c (instantiate_non_dependent_expr_sfinae)
2788 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2790 * cp-tree.h: Declare them.
2792 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2795 * decl.c (pop_labels_1): Removed.
2796 (note_label, sort_labels): New functions.
2797 (pop_labels): During named_labels traversal, just push the slot
2798 pointers into a vector, then qsort it by DECL_UID and only then
2799 call pop_label and chain it into BLOCK_VARS.
2801 2016-04-13 Jason Merrill <jason@redhat.com>
2804 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2805 (cp_gimplify_expr): Not here.
2807 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2810 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2812 * typeck.c (build_x_conditional_expr): Unconditionally remember
2813 that the result is an lvalue or xvalue.
2815 2016-04-12 Jason Merrill <jason@redhat.com>
2817 * class.c (is_really_empty_class): A zero-length array is empty.
2818 An unnamed bit-field doesn't make a class non-empty.
2820 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2823 * parser.c (cp_parser_cache_defarg): When file ends in default
2824 argument simply return error_mark_node.
2826 2016-04-12 Nathan Sidwell <nathan@acm.org>
2829 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2832 2016-04-11 Jason Merrill <jason@redhat.com>
2834 * mangle.c (decl_is_template_id): The template itself counts as a
2837 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2841 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2842 on the result if it's not a CONSTRUCTOR.
2844 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2847 * constexpr.c (find_constructor): New function.
2848 (unshare_constructor): New function.
2849 (cxx_eval_call_expression): Use unshare_constructor instead of
2851 (find_array_ctor_elt): Likewise.
2852 (cxx_eval_vec_init_1): Likewise.
2853 (cxx_eval_store_expression): Likewise.
2854 (cxx_eval_constant_expression): Likewise.
2856 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2859 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2860 potentially generating a future -Wparentheses warning in its
2863 2016-04-06 Jason Merrill <jason@redhat.com>
2865 * class.c (check_abi_tags): Fix function template handling.
2867 2016-04-05 Nathan Sidwell <nathan@acm.org>
2870 * class.c (fixup_may_alias): New.
2871 (fixup_attribute_variants): Call it.
2873 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2876 * constexpr.c (struct fundef_copy): New struct.
2877 (struct fundef_copies_table_t): New struct.
2878 (fundef_copies_table): New static variable.
2879 (maybe_initialize_fundef_copies_table): New static function.
2880 (get_fundef_copy): New static function.
2881 (save_fundef_copy): New static function.
2882 (cxx_eval_call_expression): Use get_fundef_copy, and
2884 (constexpr_call_table): Add "deletable" GTY marker.
2886 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2889 * cp-tree.h (class cache_map): Remove.
2890 * constexpr.c (cv_cache): Change type to
2891 GTY((deletable)) hash_map<tree, tree> *.
2892 (maybe_constant_value): Adjust following the change to cv_cache.
2893 (clear_cv_cache): New static function.
2894 (clear_cv_and_fold_caches): Use it.
2895 * cp-gimplify.c (fold_cache): Change type to
2896 GTY((deletable)) hash_map<tree, tree> *.
2897 (clear_fold_cache): Adjust following the change to fold_cache.
2898 (cp_fold): Likewise.
2900 2016-04-02 Martin Sebor <msebor@redhat.com>
2906 * constexpr.c (diag_array_subscript): New function.
2907 (cxx_eval_array_reference): Detect out of bounds array indices.
2909 2016-04-01 Jason Merrill <jason@redhat.com>
2913 * pt.c (instantiate_decl): A function isn't fully defined if
2914 DECL_INITIAL is error_mark_node.
2915 * constexpr.c (cxx_eval_call_expression): Likewise.
2917 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2918 Marek Polacek <polacek@redhat.com>
2921 * init.c (warn_placement_new_too_small): Test whether
2922 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2924 2016-04-01 Nathan Sidwell <nathan@acm.org>
2927 * decl.c (check_redeclaration_exception_specification): Check
2928 regardless of -fno-exceptions.
2929 * typeck2.c (merge_exception_specifiers): Relax assert by checking
2930 flag_exceptions too.
2932 2016-03-31 Nathan Sidwell <nathan@acm.org>
2934 * decl.c (start_preparsed_function): Remove unnecessary bracing.
2935 (finish_destructor_body): Don't emit operator delete here.
2937 2016-03-31 Nathan Sidwell <nathan@acm.org>
2940 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
2941 elements in field order.
2943 2016-03-31 Marek Polacek <polacek@redhat.com>
2946 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
2948 2016-03-31 Richard Biener <rguenther@suse.de>
2951 * typeck.c (cp_build_binary_op): Fix operand order of vector
2952 conditional in truth op handling.
2954 2016-03-29 Jason Merrill <jason@redhat.com>
2957 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
2958 in constexpr functions.
2960 2016-03-28 Jason Merrill <jason@redhat.com>
2965 * decl.c, pt.c, constexpr.c: Revert last patch.
2967 2016-03-25 Jason Merrill <jason@redhat.com>
2968 Martin Liška <mliska@suse.cz>
2973 * decl.c (cp_fname_init): Decay the initializer to pointer.
2974 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
2975 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
2976 Don't call cp_finish_decl.
2977 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
2978 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
2979 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
2980 Handle DECL_VALUE_EXPR.
2982 2016-03-24 Jason Merrill <jason@redhat.com>
2985 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
2988 * constexpr.c (cxx_eval_call_expression): Don't cache result if
2991 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
2994 * tree.c (build_cplus_array_type): Determine type-dependentess
2995 with uses_template_parms instead of with dependent_type_p.
2997 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3000 * typeck.c (process_init_constructor_union): If the initializer
3001 is empty, use the union's NSDMI if it has one.
3003 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3006 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3007 NSDMI that's part of an aggregrate initialization.
3009 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3012 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3013 for 1..max even for multi-dimensional arrays. Call unshare_expr
3017 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3018 on TREE_OVERFLOW constants.
3021 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3022 for OMP_TASKLOOP here.
3023 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3024 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3026 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3027 Jason Merrill <jason@redhat.com>
3028 Jakub Jelinek <jakub@redhat.com>
3031 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3032 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3033 (finish_function): Don't set or test them.
3034 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3036 2016-03-23 Jason Merrill <jason@redhat.com>
3039 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3041 2016-03-23 Marek Polacek <polacek@redhat.com>
3044 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3046 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3048 * call.c (build_conditional_expr_1): Always use original
3049 condition type for vector type checks and build.
3051 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3054 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3056 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3059 * constexpr.c (non_const_var_error): Check
3060 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3062 2016-03-21 Richard Henderson <rth@redhat.com>
3065 * decl.c (notice_forced_label_r): New.
3066 (cp_finish_decl): Use it.
3068 2016-03-21 Jason Merrill <jason@redhat.com>
3071 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3073 2016-03-18 Jason Merrill <jason@redhat.com>
3076 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3079 * class.c (vptr_via_virtual_p): New.
3080 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3081 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3082 a vptr from any virtual base in a not-in-charge 'structor.
3084 * decl.c (build_clobber_this): Factor out of
3085 start_preparsed_function and begin_destructor_body. Handle
3086 virtual bases better.
3088 * class.c (build_if_in_charge): Split out from build_base_path.
3089 * init.c (expand_virtual_init, expand_default_init): Use it.
3090 * call.c (build_special_member_call): Use it.
3092 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3095 * init.c (build_new_1): Complain and return error_mark_node
3096 if alloc_fn is not _Jv_AllocObject function returning pointer.
3098 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3101 * search.c (adjust_result_of_qualified_name_lookup): Don't
3102 update the BASELINK_BINFO of DECL if the second call
3103 to lookup_base fails.
3105 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3108 * parser.c (cp_parser_lambda_expression): Move call to
3109 pop_deferring_access_checks ahead of the call to
3110 cp_parser_end_tentative_firewall.
3112 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3115 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3116 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3117 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3119 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3120 if magic_varargs_p == 1, call decay_conversion
3121 instead of mark_type_use. Don't store error_mark_node arguments to
3122 argarray, instead return error_mark_node.
3125 * decl.c (begin_destructor_body): Don't insert clobber if
3126 is_empty_class (current_class_type).
3128 2016-03-17 Marek Polacek <polacek@redhat.com>
3131 * typeck.c (warn_for_null_address): New function.
3132 (cp_build_binary_op): Call it.
3134 2016-03-16 Jason Merrill <jason@redhat.com>
3137 * decl.c (start_preparsed_function): Don't clobber an empty base.
3139 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3142 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3143 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3146 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3147 set in_base_initializer.
3149 2016-03-15 Marek Polacek <polacek@redhat.com>
3152 * tree.c (strip_typedefs): Call strip_typedefs again on the
3153 DECL_ORIGINAL_TYPE result.
3155 2016-03-15 Jason Merrill <jason@redhat.com>
3158 * pt.c (instantiate_decl): Fix call to variable_template_p.
3161 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3163 2016-03-14 Casey Carter <casey@carter.net>
3164 Jason Merrill <jason@redhat.com>
3166 P0184R0: Generalizing the Range-Based For Loop
3167 * parser.c (cp_convert_range_for): Set the type of __end separately.
3168 (cp_parser_perform_range_for_lookup): Allow different begin/end
3169 types if they are comparable.
3171 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3174 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3175 processing_template_decl and EXPR is a SCOPE_REF.
3177 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3178 Jakub Jelinek <jakub@redhat.com>
3181 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3182 return value from cxx_eval_constant_expression from earlier
3183 elements if it is valid constant initializer requiring no
3186 2016-03-10 Marek Polacek <polacek@redhat.com>
3189 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3191 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3193 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3194 when calling c_finish_omp_clauses.
3196 2016-03-08 Jason Merrill <jason@redhat.com>
3198 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3199 diagnostic for use of "concept".
3200 (cp_parser_requires_clause_opt): And "requires".
3201 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3202 (cp_parser_explicit_template_declaration): Adjust.
3203 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3205 P0036R0: Unary Folds and Empty Parameter Packs
3206 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3208 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3211 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3212 even after the last iteration of the loop.
3214 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3216 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3219 * pt.c (get_template_info): Handle PARM_DECL.
3220 (template_class_depth): Check DECL_P instead of
3221 VAR_OR_FUNCTION_DECL_P.
3223 2016-03-05 Jason Merrill <jason@redhat.com>
3226 * constexpr.c (cxx_eval_store_expression): Replace
3227 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3229 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3232 * pt.c (template_class_depth): Given a lambda type, iterate
3233 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3234 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3237 2016-03-04 Jason Merrill <jason@redhat.com>
3240 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3241 * init.c (build_vec_delete_1): Set it.
3242 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3244 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3246 * decl.c (start_preparsed_function): Don't emit start clobber at the
3247 start of constructor clones.
3250 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3251 * decl.c (start_preparsed_function): Call
3252 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3253 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3254 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3256 2016-03-04 Jason Merrill <jason@redhat.com>
3259 * constexpr.c (cxx_eval_component_reference): Further tweak.
3261 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3262 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3263 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3264 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3267 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3270 2016-03-03 Jason Merrill <jason@redhat.com>
3272 * method.c (synthesized_method_walk): operator= can also be constexpr.
3274 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3275 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3278 * pt.c (copy_template_args): New.
3279 (tsubst_pack_expansion): Use it.
3281 * call.c (build_aggr_conv): Use get_nsdmi.
3284 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3287 * constexpr.c (cxx_eval_component_reference): Just return an empty
3288 CONSTRUCTOR for an empty class.
3290 2016-03-01 Jason Merrill <jason@redhat.com>
3293 * parser.c (cp_parser_requires_clause): Call
3294 check_for_bare_parameter_packs.
3297 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3301 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3302 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3303 [TARGET_EXPR]: Unshare init.
3305 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3309 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3312 2016-02-28 Jason Merrill <jason@redhat.com>
3315 * constexpr.c (cxx_eval_store_expression): Unshare init.
3317 2016-02-26 Jason Merrill <jason@redhat.com>
3320 * pt.c (make_argument_pack): New.
3321 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3322 (tsubst_copy_and_build): Likewise.
3324 2016-02-25 Jason Merrill <jason@redhat.com>
3327 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3328 * tree.c (build_aggr_init_expr): Set it.
3329 * semantics.c (simplify_aggr_init_expr): Check it.
3330 * cp-gimplify.c (cp_genericize_r): Don't walk into
3331 a call/aggr_init from a thunk.
3334 * method.c (forward_parm): Handle parameter packs.
3335 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3338 * constexpr.c (cxx_eval_component_reference): Don't complain about
3339 unevaluated empty classes.
3342 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3344 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3347 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3348 (maybe_undo_parenthesized_ref): Declare.
3349 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3351 (finish_call_expr): Use it.
3352 * typeck.c (check_return_expr): Use it.
3353 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3354 REF_PARENTHESIZED_P flag.
3356 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3359 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3361 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3363 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3364 unless they are folded into INTEGER_CST, error_mark_node or some
3365 comparison with NULL, avoid folding them and use either the original
3366 comparison or non-folded comparison of folded arguments.
3367 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3368 comparison, don't fold the comparison right away.
3370 2016-02-24 Jason Merrill <jason@redhat.com>
3373 * friend.c (make_friend_class): Likewise.
3374 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3376 2016-02-24 Jason Merrill <jason@redhat.com>
3379 * pt.c (instantiate_class_template_1): Set
3380 processing_template_decl before substituting friend_type.
3382 016-02-24 Martin Sebor <msebor@redhat.com>
3385 * tree.c (build_ctor_subob_ref): Compare types' main variants
3386 instead of the types as they are.
3388 2016-02-24 Jason Merrill <jason@redhat.com>
3390 * decl.c (start_preparsed_function): Condition ctor clobber on
3391 flag_lifetime_dse > 1.
3393 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3395 2016-02-19 Jason Merrill <jason@redhat.com>
3398 * call.c (remaining_arguments): No longer static.
3399 * cp-tree.h: Declare it.
3400 * pt.c (more_specialized_fn): Use it.
3402 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3403 Bernd Edlinger <bernd.edlinger@hotmail.de>
3405 * Make-lang.in: Invoke gperf with -L C++.
3406 * cfns.gperf: Remove prototypes for hash and libc_name_p
3408 * cfns.h: Regenerated.
3409 * except.c (nothrow_libfn_p): Adjust.
3411 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3414 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3415 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3417 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3420 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3422 * semantics.c (finish_call_expr): Don't assume a constructor
3423 call is dependent if only the "this" pointer is dependent. When
3424 building a constructor call, always use a dummy object.
3426 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3429 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3431 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3432 operators if folding preserved the binop, just with different
3436 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3437 attr_spec is always single element chain, chain all the attributes
3438 properly together in the right order.
3440 2016-02-18 Jason Merrill <jason@redhat.com>
3442 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3444 (mangle_decl): Call maybe_check_abi_tags for function scope.
3445 (mangle_guard_variable): Call maybe_check_abi_tags here.
3446 (write_guarded_var_name): Not here.
3448 2016-02-17 Jason Merrill <jason@redhat.com>
3451 * constexpr.c (build_constexpr_constructor_member_initializers):
3452 Handle an additional STATEMENT_LIST.
3455 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3458 * decl2.c (reset_type_linkage_2): Look through member templates.
3460 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3463 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3465 2016-02-17 Jason Merrill <jason@redhat.com>
3468 * method.c (forward_parm): Split out from...
3469 (add_one_base_init): ...here.
3470 * lambda.c (maybe_add_lambda_conv_op): Use it.
3472 2016-02-16 Jason Merrill <jason@redhat.com>
3476 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3477 tree.c, typeck2.c: Revert earlier changes.
3478 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3479 non-type templates after -> or .
3481 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3484 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3486 2016-02-16 Jason Merrill <jason@redhat.com>
3489 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3490 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3491 * name-lookup.h: Adjust.
3493 2016-02-16 James Norris <jnorris@codesourcery.com>
3495 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3496 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3498 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3501 * init.c (expand_default_init): Only call reshape_init
3502 in the direct-initialization from an initializer list case.
3504 2016-02-15 Jason Merrill <jason@redhat.com>
3507 * semantics.c (finish_call_expr): Implicit 'this' does not make
3509 * search.c (any_dependent_bases_p): Split out...
3510 * name-lookup.c (do_class_using_decl): ...from here.
3511 * call.c (build_new_method_call_1): Don't complain about missing object
3512 if there are dependent bases. Tweak error.
3513 * tree.c (non_static_member_function_p): Remove.
3514 * pt.c (type_dependent_expression_p): A member template of a
3515 dependent type is dependent.
3516 * cp-tree.h: Adjust.
3519 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3521 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3524 * pt.c (lookup_and_finish_template_variable): New function,
3526 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3527 (tsubst_qualified_id): Consider that EXPR might be a variable
3529 * typeck.c (check_template_keyword): Don't emit an error
3530 if DECL is a variable template.
3532 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3534 * error.c: Spelling fixes - behaviour -> behavior and
3535 neighbour -> neighbor.
3537 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3539 * init.c (build_delete): Likewise.
3541 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3544 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3545 arguments for -Waddress warning. Fix up formatting.
3547 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3550 * pt.c (lookup_template_class_1): Check tsubst return value for
3553 2016-02-10 Jason Merrill <jason@redhat.com>
3556 * pt.c (resolve_nondeduced_context): Add complain parm.
3557 (do_auto_deduction): Pass it.
3558 * cvt.c (convert_to_void): Likewise.
3559 * decl.c (cp_finish_decl): Likewise.
3560 * init.c (build_new): Likewise.
3561 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3562 * semantics.c (finish_decltype_type): Likewise.
3563 * typeck.c (decay_conversion): Likewise.
3564 * cp-tree.h: Adjust declaration.
3565 * call.c (standard_conversion): Add complain parm, pass it along.
3566 (implicit_conversion): Pass it.
3569 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3570 (lookup_name_real_1): Likewise.
3571 (remove_hidden_names): Handle non-functions too.
3574 * parser.c (cp_parser_lookup_name): When looking for a template
3575 after . or ->, only consider class templates.
3576 (cp_parser_postfix_dot_deref_expression): Handle the current
3577 instantiation. Remember a dependent object expression.
3578 * typeck2.c (build_x_arrow): Handle the current instantiation.
3580 * ptree.c (debug_tree): Implement for cp_expr.
3582 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3585 * parser.c (cp_parser_simple_type_specifier): Make the check
3586 for disambiguating between an 'auto' placeholder and an implicit
3587 template parameter more robust.
3589 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3593 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3594 setting its TREE_USED flag.
3596 2016-02-08 Jason Merrill <jason@redhat.com>
3599 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3602 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3605 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3606 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3608 2016-02-08 Marek Polacek <polacek@redhat.com>
3611 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3612 Call clear_fold_cache.
3613 * cp-tree.h: Adjust declaration.
3614 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3615 rather than clear_cv_cache and clear_fold_cache.
3616 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3618 2016-02-08 Jason Merrill <jason@redhat.com>
3620 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3621 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3622 (ocp_convert): Use *_maybe_fold.
3623 (cp_convert_to_pointer): Add dofold parameter.
3624 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3626 2016-02-05 Martin Sebor <msebor@redhat.com>
3629 * init.c (find_field_init): New function.
3630 (warn_placement_new_too_small): Call it. Handle one-element arrays
3631 at ends of structures special.
3633 2016-02-05 Jason Merrill <jason@redhat.com>
3636 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3637 make sure we've seen_error().
3639 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3642 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3643 if lookup_fnfields returns NULL_TREE and the name being looked
3644 up has the form A::A.
3646 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3648 * constexpr.c (cxx_eval_binary_expression): Fold equality
3649 comparisons involving PTRMEM_CSTs.
3651 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3653 * class.c (find_flexarrays): Don't declare dom variable.
3654 (diagnose_flexarray): Likewise.
3656 2016-02-02 Martain Sebor <msebor@redhat.com>
3663 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3664 of a flexible array member for equality to null.
3665 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3666 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3667 (check_flexarrays): Same.
3668 * decl.c (compute_array_index_type): Avoid special case for flexible
3670 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3672 * error.c (dump_type_suffix): Revert changes introduced in r231665
3673 and rendered unnecessary by the changes above.
3674 * pt.c (tsubst): Same.
3675 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3676 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3677 (process_init_constructor_array): Same.
3678 (process_init_constructor_record): Same.
3680 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3683 * pt.c (try_one_overload): Handle comparing argument packs so
3684 that there is no conflict if we deduced more arguments of an
3685 argument pack than were explicitly specified.
3687 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3688 Jason Merrill <jason@redhat.com>
3691 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3692 function type if nothing is changing.
3694 2016-01-31 Jason Merrill <jason@redhat.com>
3697 * pt.c (partial_specialization_p, impartial_args): New.
3698 (instantiate_decl): Call impartial_args.
3700 * mangle.c (maybe_check_abi_tags): New.
3701 (write_guarded_var_name): Call it.
3702 (mangle_ref_init_variable): Call check_abi_tags.
3704 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3705 between template and instantiation.
3707 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3710 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3711 function declarations.
3713 2016-01-29 Marek Polacek <polacek@redhat.com>
3717 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3718 out of bound" error earlier.
3719 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3722 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3724 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3725 structure, update free_binding_level before the structure's
3726 level_chain field gets cleared, not after.
3728 2016-01-28 Jason Merrill <jason@redhat.com>
3731 * search.c (dfs_walk_once, dfs_walk_once_r)
3732 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3733 hash_set instead of BINFO_MARKED.
3734 (dfs_unmark_r): Remove.
3736 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3739 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3740 (cp_lexer_debugging_p): Use it.
3741 (cp_lexer_start_debugging): Likewise.
3742 (cp_lexer_stop_debugging): Likewise.
3744 2016-01-27 Marek Polacek <polacek@redhat.com>
3747 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3748 needed. Add -Wsign-compare warning.
3750 2016-01-27 Ryan Burn <contact@rnburn.com>
3753 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3754 superfluous post_p argument in call to
3755 cilk_gimplify_call_params_in_spawned_fn.
3757 2016-01-27 Marek Polacek <polacek@redhat.com>
3760 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3761 wrapped in NOP_EXPRs.
3763 2016-01-27 Martin Sebor <msebor@redhat.com>
3766 * mangle.c (mangle_decl): Reference the correct (saved) version
3767 of the ABI in -Wabi diagnostics.
3769 2016-01-27 Marek Polacek <polacek@redhat.com>
3772 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3773 elements of the array.
3775 2016-01-26 Jason Merrill <jason@redhat.com>
3778 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3779 (cxx_eval_call_expression): Don't look through clones.
3780 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3781 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3782 maybe-in-charge *tor.
3784 2016-01-26 Jason Merrill <jason@redhat.com>
3787 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3788 and TREE_SIDE_EFFECTS.
3789 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3790 verify_constructor_flags.
3792 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3795 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3796 return error_mark_node instead of building trees with error_mark_node
3799 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3802 * error.c (print_instantiation_partial_context_line): Add missing
3803 newlines from output for the t == NULL case.
3804 (print_instantiation_partial_context): Remove call to pp_newline.
3806 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3809 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3814 * decl.c (grokdeclarator): Don't decay array parameter type to
3815 a pointer type if it's dependent.
3816 (grokparms): Invoke strip_top_quals instead of directly invoking
3817 cp_build_qualified_type.
3818 * pt.c (decay_dependent_array_parm_type): New static function.
3819 (type_unification_real): Call decay_dependent_array_parm_type
3820 to decay a dependent array parameter type to its corresponding
3821 pointer type before unification.
3822 (more_specialized_fn): Likewise.
3823 (get_bindings): Likewise.
3824 * tree.c (cp_build_qualified_type): Trivial typofix in
3827 2016-01-23 Martin Sebor <msebor@redhat.com>
3831 * decl2.c (is_late_template_attribute): Handle dependent argument
3832 to attribute align and attribute vector_size.
3834 2016-01-21 Jason Merrill <jason@redhat.com>
3837 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3838 for init-capture, too.
3841 * decl.c (type_is_deprecated): Don't look into a typedef.
3845 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3848 * decl.c (start_enum): Add attributes parameter.
3849 * parser.c (cp_parser_enum_specifier): Pass it.
3850 * pt.c (lookup_template_class_1): Pass it.
3851 * cp-tree.h: Adjust.
3853 2016-01-19 Jason Merrill <jason@redhat.com>
3856 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3858 2016-01-19 Marek Polacek <polacek@redhat.com>
3861 * constexpr.c (clear_cv_cache): New.
3862 * cp-gimplify.c (clear_fold_cache): New.
3863 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3864 * decl.c (finish_enum_value_list): Call them.
3867 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3869 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3874 * decl.c (grokdeclarator): Don't decay array parameter type to
3875 a pointer type if it's dependent.
3876 (grokparms): Invoke strip_top_quals instead of directly invoking
3877 cp_build_qualified_type.
3878 * pt.c (decay_dependent_array_parm_type): New static function.
3879 (type_unification_real): Call decay_dependent_array_parm_type
3880 to decay a dependent array parameter type to its corresponding
3881 pointer type before unification.
3882 (more_specialized_fn): Likewise.
3883 (get_bindings): Likewise.
3884 * tree.c (cp_build_qualified_type): Trivial typofix in
3887 2016-01-18 Jason Merrill <jason@redhat.com>
3889 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
3891 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
3894 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
3895 (contains_label_1, contains_label_p): Remove.
3897 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3900 * pt.c (type_dependent_expression_p): For a function template
3901 specialization, a type is dependent iff any of its template
3904 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3906 * cp-array-notation.c (cp_expand_cond_array_notations): Return
3907 error_mark_node only if find_rank failed, not if it was
3910 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3913 * tree.c (build_min_non_dep_call_vec): Don't retain the
3914 KOENIG_LOOKUP_P flag of the non-dependent expression that's
3916 (build_min_non_dep_op_overload): Instead, do it here.
3918 2016-01-15 Jakub Jelinek <jakub@redhat.com>
3921 * parser.h (cp_token): Remove pragma_kind field. Add comment
3922 with number of unused bits.
3923 * parser.c (eof_token): Remove pragma_kind field initializer.
3924 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
3925 field, don't clear CPP_PRAGMA u.value.
3926 (cp_parser_pragma_kind): New function.
3927 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
3928 cp_parser_omp_construct, cp_parser_initial_pragma,
3929 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
3932 2016-01-15 Jason Merrill <jason@redhat.com>
3935 * call.c (build_cxx_call): Use fold_non_dependent_expr.
3937 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
3941 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
3942 array/function-to-pointer conversion. Call
3943 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
3944 * call.c (convert_like_real): Print call context if
3945 decay_conversion errors.
3947 2016-01-14 Tom de Vries <tom@codesourcery.com>
3949 PR tree-optimization/68773
3950 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
3953 2016-01-14 Jason Merrill <jason@redhat.com>
3956 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
3958 2016-01-12 Marek Polacek <polacek@redhat.com>
3961 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
3962 error_at and adjust the return value.
3964 2016-01-12 Jakub Jelinek <jakub@redhat.com>
3968 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
3969 GS_ERROR whenever seen_error (), only if *expr_p contains
3970 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
3974 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
3976 2016-01-11 Jason Merrill <jason@redhat.com>
3979 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
3980 (process_subob_fn): Likewise. Don't consider triviality if true.
3981 (synthesize_method_walk): Pass it.
3983 2016-01-11 David Malcolm <dmalcolm@redhat.com>
3986 * parser.c (cp_parser_postfix_expression): Initialize
3987 close_paren_loc to UNKNOWN_LOCATION; only use it if
3988 it has been written to by
3989 cp_parser_parenthesized_expression_list.
3990 (cp_parser_parenthesized_expression_list): Document the behavior
3991 with respect to the CLOSE_PAREN_LOC param.
3993 2016-01-11 Jakub Jelinek <jakub@redhat.com>
3996 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
3997 folded operands have side-effects, but folding changed any of them,
3998 build a new tree with the folded operands instead of returning the
4001 2016-01-09 Marek Polacek <polacek@redhat.com>
4004 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4006 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4009 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4011 2016-01-08 Jason Merrill <jason@redhat.com>
4014 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4017 2016-01-08 Marek Polacek <polacek@redhat.com>
4020 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4022 2016-01-08 Jason Merrill <jason@redhat.com>
4024 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4029 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4030 TREE_ADDRESSABLE type.
4034 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4036 2016-01-05 Nathan Sidwell <nathan@acm.org>
4039 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4042 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4044 Update copyright years.
4046 Copyright (C) 2016 Free Software Foundation, Inc.
4048 Copying and distribution of this file, with or without modification,
4049 are permitted in any medium without royalty provided the copyright
4050 notice and this notice are preserved.