1 2016-12-11 Paolo Carlini <paolo.carlini@oracle.com>
4 * parser.c (cp_parser_namespace_definition): Increment
5 nested_definition_count only if push_namespace succeeds.
7 2016-12-08 Nathan Sidwell <nathan@acm.org>
10 * constexpr.c (extract_string_elt): New. Broken out of ...
11 (cxx_eval_array_reference): ... here. Call it.
12 (cxx_eval_store_expression): Convert init by STRING_CST into
13 CONSTRUCTOR, if needed.
15 2016-12-08 Jakub Jelinek <jakub@redhat.com>
17 P0003R5 - removal of dynamic exception specification from C++17
18 * parser.c (cp_parser_exception_specification_opt): For C++17
19 error out on throw ( type-id-list ), for C++11 and C++14 issue
20 -Wdeprecated warning on it. Formatting fix. Treat throw()
21 in C++17 as noexcept(true).
23 2016-12-07 Martin Jambor <mjambor@suse.cz>
26 * error.c (dump_decl): Use dump_function_name to dump
27 !DECL_LANG_SPECIFIC function decls with no or self-referencing
30 2016-12-07 Nathan Sidwell <nathan@acm.org>
32 * pt.c (tsubst <{NON,}TYPE_ARGUMENT_PACK>: Simplify control flow
33 and avoid re-tsubsting type.
35 * cp-tree.h (enum cp_tree_index): Add CPTI_AUTO_IDENTIFIER &
36 CPTI_DECLTYPE_AUTO_IDENTIFIER.
37 (auto_identifier, decltype_auto_identifier): New.
38 *decl.c (initialize_predefined_identifiers): Add 'auto' and
40 (grokdeclarator): Use cached identifier.
41 * pt.c (make_decltype_auto, make_auto, make_constrained_auto,
44 2016-12-02 Jakub Jelinek <jakub@redhat.com>
47 * pt.c (tsubst_init): Don't call build_value_init if decl's type
50 2016-12-02 Cesar Philippidis <cesar@codesourcery.com>
51 James Norris <jnorris@codesourcery.com>
53 * parser.c (cp_parser_oacc_enter_exit_data): Update diagnostics.
54 (cp_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
55 EXIT_DATA,WAIT} are not used in compound statements.
57 2016-12-01 Jason Merrill <jason@redhat.com>
59 * call.c (add_function_candidate): Also exclude inherited ctors
60 that take a type reference-related to the derived class.
62 * call.c (add_function_candidate): Exclude inherited copy/move
65 2016-11-29 David Malcolm <dmalcolm@redhat.com>
68 * name-lookup.c (lookup_name_fuzzy): Filter out reserved words
69 that were filtered out by init_reswords.
71 2016-11-28 Jakub Jelinek <jakub@redhat.com>
72 Jason Merrill <jason@redhat.com>
75 * decl.c (finish_enum_value_list): Call fixup_type_variants on
76 current_class_type after
77 insert_late_enum_def_into_classtype_sorted_fields.
79 2016-11-28 Jakub Jelinek <jakub@redhat.com>
82 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
83 whats_returned through fold_for_warn.
85 2016-11-27 Jason Merrill <jason@redhat.com>
88 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
90 2016-11-24 Martin Liska <mliska@suse.cz>
93 * parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
95 2016-11-23 Jakub Jelinek <jakub@redhat.com>
98 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
99 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
100 with the object on lhs and maybe_constant_value returned expr on rhs.
103 * pt.c (tsubst_copy): Return error_mark_node when mark_used
104 fails, even when complain & tf_error.
107 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
108 false as handle_invisiref_parm_p to cp_genericize_tree.
109 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
110 (cp_genericize_r): Don't wrap is_invisiref_parm into references
111 if !wtd->handle_invisiref_parm_p.
112 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
113 set wtd.handle_invisiref_parm_p to it.
114 (cp_genericize): Pass true as handle_invisiref_parm_p to
115 cp_genericize_tree. Formatting fix.
117 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
120 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
121 Don't overload builtin functions with C++ functions.
122 Handle const_tm_ptr_type_node like file_ptr_node.
123 Copy the TREE_NOTHROW flag unmodified to the old decl.
125 2016-11-18 Jason Merrill <jason@redhat.com>
127 PR objc++/78418 - ICE in string tests on darwin
128 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
130 2016-11-18 Jakub Jelinek <jakub@redhat.com>
133 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
136 2016-11-18 Jason Merrill <jason@redhat.com>
138 PR c++/67631 - list-init and explicit conversions
139 * semantics.c (finish_compound_literal): Call digest_init_flags.
140 * typeck2.c (digest_init_flags): Add complain parm.
141 (store_init_value): Pass it.
143 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
144 Alan Hayward <alan.hayward@arm.com>
145 David Sherwood <david.sherwood@arm.com>
147 * class.c (finish_struct_bits): Use SET_DECL_MODE.
148 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
149 * decl.c (make_label_decl): Likewise.
150 * pt.c (tsubst_decl): Likewise.
152 2016-11-17 Jason Merrill <jason@redhat.com>
154 PR c++/78193 - inherited ctor regressions on sparc32.
155 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
156 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
157 (convert_like_real) [ck_rvalue]: Also pass non-addressable
158 types along directly.
160 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
163 * parser.c (cp_parser_non_integral_constant_expression): Issue a
164 pedwarn instead of an error for case NIC_FLOAT.
166 2016-11-17 Jason Merrill <jason@redhat.com>
168 PR c++/78124 - list-initialization and inherited ctor
169 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
171 PR c++/78369 - {} as default argument
172 * call.c (build_special_member_call): Handle CONSTRUCTOR.
175 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
177 2016-11-16 Jason Merrill <jason@redhat.com>
180 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
181 * typeck2.c (store_init_value): Likewise.
183 * decl.c (store_decomp_type, lookup_decomp_type): New.
184 (cp_finish_decomp): Call store_decomp_type.
185 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
186 * cp-tree.h: Declare lookup_decomp_type.
188 2016-11-15 Jakub Jelinek <jakub@redhat.com>
190 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
191 set DECL_ASSEMBLER_NAME.
192 * parser.c (cp_parser_decomposition_declaration): Likewise
193 if returning error_mark_node.
194 * mangle.c (mangle_decomp): New function.
195 * cp-tree.h (mangle_decomp): New declaration.
197 2016-11-15 Jason Merrill <jason@redhat.com>
200 * semantics.c (finish_decltype_type): Strip references for a tuple
202 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
204 * decl2.c (decl_maybe_constant_var_p): References qualify.
205 * constexpr.c (non_const_var_error): Handle references.
206 * init.c (constant_value_1): Always check decl_constant_var_p.
207 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
208 * error.c (dump_decl_name): Split out from dump_decl.
210 2016-11-14 Jason Merrill <jason@redhat.com>
212 * tree.c (bitfield_p): New.
213 * cp-tree.h: Declare it.
214 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
215 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
216 * decl.c (cp_finish_decomp): Look through reference. Always
217 SET_DECL_DECOMPOSITION_P.
218 * semantics.c (finish_decltype_type): Adjust decomposition handling.
220 2016-11-13 Jakub Jelinek <jakub@redhat.com>
221 Jason Merrill <jason@redhat.com>
223 Implement P0217R3 - C++17 structured bindings
224 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
225 (DECL_DECOMPOSITION_P): New
226 (enum auto_deduction_context): Add adc_decomp_type.
227 (enum cp_declarator_kind): Add cdk_decomp.
228 * constexpr.c (cxx_eval_constant_expression): Look through
230 (potential_constant_expression_1): Likewise.
231 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
232 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
233 (cp_finish_decl): Pass adc_decomp_type for decomposition.
234 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
235 (get_tuple_decomp_init, cp_finish_decomp): New.
236 (grokdeclarator): Handle decomposition.
237 * init.c (build_aggr_init): Handle decomposition array.
238 (build_vec_init): Handle initialization from { array }.
239 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
241 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
242 (function_declarator_p, strip_declarator_types)
243 (cp_parser_check_declarator_template_parameters): Likewise.
244 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
245 (cp_parser_simple_declaration): Parse decomposition.
246 (cp_parser_decomposition_declaration): New.
247 * pt.c (tsubst_decomp_names): New.
248 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
249 (do_auto_deduction): Handle adc_decomp_type.
250 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
251 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
252 * tree.c (lvalue_kind): Likewise.
253 (cp_build_reference_type): Handle reference collapsing.
255 2016-11-13 Jason Merrill <jason@redhat.com>
257 * call.c (build_new_method_call_1): Include template arguments in
259 (print_error_for_call_failure): Likewise.
260 (build_new_function_call): Pass them in.
261 * name-lookup.c (supplement_binding_1): Don't complain about a
262 conflict with an erroneous declaration.
263 * error.c (dump_decl): Fix printing of alias declaration.
264 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
265 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
266 * semantics.c (perform_koenig_lookup): Don't wrap an error in
269 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
272 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
274 2016-11-12 Jason Merrill <jason@redhat.com>
277 * typeck.c (convert_arguments): Handle default arg followed by none.
279 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
280 IMAGPART_EXPR can be lvalues.
284 * pt.c (check_specialization_namespace): Allow any enclosing
286 (check_unqualified_spec_or_inst): New.
287 (check_explicit_specialization): Call it.
288 * parser.c (cp_parser_elaborated_type_specifier)
289 (cp_parser_class_head): Call it.
291 2016-11-10 Jason Merrill <jason@redhat.com>
294 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
295 (instantiate_decl): It's OK to defer a constexpr function.
296 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
298 * decl2.c (decl_defined_p): Use it. No longer static.
299 * decl.c (redeclaration_error_message): Use decl_defined_p.
300 * constexpr.c (cxx_eval_call_expression): Set input_location around
301 call to instantiate_decl.
303 2016-11-10 Jakub Jelinek <jakub@redhat.com>
305 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
306 public or external symbols.
308 2016-11-09 Jakub Jelinek <jakub@redhat.com>
311 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
313 2016-11-09 Jason Merrill <jason@redhat.com>
315 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
316 for template template parameter.
317 (cp_parser_type_id_1): Improve diagnostic.
318 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
319 * pt.c (splice_late_return_type): Not here.
320 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
321 (do_class_deduction): Handle non-class templates.
323 Implement P0127R2, Declaring non-type parameters with auto.
324 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
325 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
327 * pt.c (do_auto_deduction): Add outer_targs parameter.
328 (convert_template_argument): Call do_auto_deduction. If adc_unify,
329 don't give up on dependent init.
330 (unify): Likewise. In C++17, walk into the type of a
332 (for_each_template_parm): Add any_fn parameter.
333 (struct pair_fn_data): Likewise.
334 (for_each_template_parm_r): Call it for any tree. In C++17, walk
335 into the type of a TEMPLATE_PARM_INDEX.
336 (zero_r, array_deduction_r, try_array_deduction): New.
337 (type_unification_real): Call try_array_deduction.
338 (get_partial_spec_bindings): Likewise.
340 2016-11-07 Jason Merrill <jason@redhat.com>
342 Implement P0012R1, Make exception specifications part of the type
344 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
345 (flag_noexcept_type, ce_type): New.
346 * call.c (build_conv): Add ck_fnptr.
347 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
348 (convert_like_real): Likewise.
349 (standard_conversion): Likewise. Allow function pointer
350 conversions for pointers to member functions.
351 (reference_compatible_p): Allow function pointer conversions.
352 (direct_reference_binding): Likewise.
353 (reference_binding): Reference-compatible is no longer a subset of
355 (is_subseq): Also strip ck_lvalue after next_conversion.
356 * class.c (instantiate_type): Check fnptr_conv_p.
357 (resolve_address_of_overloaded_function): Likewise.
358 * cvt.c (can_convert_tx_safety): Now static.
359 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
360 * decl.c (flag_noexcept_type): Define.
361 (cxx_init_decl_processing): Set it.
362 (bad_specifiers): Check it.
363 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
364 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
366 * mangle.c (struct globals): Add need_cxx1z_warning.
367 (mangle_decl): Check it.
368 (write_exception_spec): New.
369 (write_function_type): Call it.
370 (canonicalize_for_substitution): Handle exception spec.
371 (write_type): Likewise.
372 (write_encoding): Set processing_template_decl across mangling of
373 partially-instantiated type.
374 * pt.c (determine_specialization): Pass tf_fndecl_type.
375 (tsubst_decl, fn_type_unification): Likewise.
376 (tsubst): Strip tf_fndecl_type, pass it to
377 tsubst_exception_specification.
378 (convert_nontype_argument_function): Handle function pointer
380 (convert_nontype_argument): Likewise.
381 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
382 * rtti.c (ptr_initializer): Encode noexcept.
383 * tree.c (canonical_eh_spec): New.
384 (build_exception_variant): Use it.
385 * typeck.c (composite_pointer_type): Handle fnptr conversion.
386 (comp_except_specs): Compare canonical EH specs.
387 (structural_comptypes): Call it.
389 * call.c (standard_conversion): Reorganize pointer conversions.
390 * pt.c (convert_nontype_argument_function): Convert to ref here.
391 (convert_nontype_argument): Not here.
392 (convert_template_argument): Add original type to error message.
393 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
394 (unify): Compare function-qualifiers.
395 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
396 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
398 * pt.c (push_tinst_level_loc): Add template instantiations to the
399 announce_function stream.
401 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
404 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
405 to suppress unwanted warnings.
407 2016-11-03 Jason Merrill <jason@redhat.com>
410 * call.c (convert_default_arg): Look through inheriting ctors.
412 2016-11-03 Jakub Jelinek <jakub@redhat.com>
413 Alexandre Oliva <aoliva@redhat.com>
414 Jason Merrill <jason@redhat.com>
418 * tree.c (cp_check_qualified_type): Use check_base_type and
419 TYPE_QUALS comparison instead of check_qualified_type.
420 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
421 * cp-objcp-common.c (cp_get_debug_type): New function.
422 (cp_decl_dwarf_attribute): Don't handle types here.
423 (cp_type_dwarf_attribute): New function.
424 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
426 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
429 2016-11-03 Jason Merrill <jason@redhat.com>
431 * tree.c (cp_check_qualified_type): Call check_base_type instead
432 of check_qualified_type.
433 (cxx_type_hash_eq): Check ref-qualifiers.
434 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
436 2016-11-01 Jason Merrill <jason@redhat.com>
438 Implement P0136R1, Rewording inheriting constructors.
439 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
440 (inherited_ctor_rejection): New.
441 (add_function_candidate): Reject inherited ctors for copying.
442 (enforce_access): Use strip_inheriting_ctors.
443 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
444 (convert_like_real): Avoid copying inheriting ctor parameters.
445 (build_over_call): Likewise. A base ctor inheriting from vbase
446 has no parms. Sorry about varargs.
447 (joust): A local constructor beats inherited with the same convs.
448 * class.c (add_method): Handle hiding inheriting ctors.
449 (one_inherited_ctor): Handle new semantics.
450 (add_implicitly_declared_members): Pass using_decl down.
451 (build_clone): A base ctor inheriting from vbase has no parms.
452 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
453 (SET_DECL_INHERITED_CTOR): Likewise.
454 (DECL_INHERITED_CTOR_BASE): Adjust.
455 * constexpr.c: Adjust.
456 * error.c (dump_function_decl): Decorate inheriting ctors.
457 * init.c (emit_mem_initializers): Suppress access control in
459 * mangle.c (write_special_name_constructor): Handle new inheriting
461 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
462 (ctor_omit_inherited_parms, binfo_inherited_from): New.
463 (synthesized_method_walk): Use binfo_inherited_from. Suppress
464 access control in inheriting ctor.
465 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
466 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
467 (add_one_base_init, do_build_copy_constructor): Adjust.
468 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
469 (implicitly_declare_fn): Adjust.
470 (get_inherited_ctor): Remove.
471 * name-lookup.c (do_class_using_decl): Check for indirect ctor
473 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
474 (maybe_clone_body): Handle omitted parms in base clone.
475 (maybe_thunk_body): Don't thunk if base clone omits parms.
476 * pt.c (tsubst_decl): Adjust.
477 (instantiate_template_1): Suppress access control in inheriting
479 (fn_type_unification): Do deduction with inherited ctor.
480 * tree.c (special_function_p): Adjust.
482 2016-11-01 Jakub Jelinek <jakub@redhat.com>
484 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
486 2016-11-01 Jason Merrill <jason@redhat.com>
488 * class.c (declared_access): Split out from handle_using_decl.
490 2016-10-31 Jakub Jelinek <jakub@redhat.com>
493 * parser.c (cp_parser_postfix_expression): Replace return statement in
494 the first switch with setting postfix_expression to the return
495 expression and break;.
498 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
499 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
500 (tsubst_expr) <case LABEL_EXPR>: Likewise.
502 2016-09-11 Le-Chun Wu <lcwu@google.com>
503 Mark Wielaard <mjw@redhat.com>
505 * name-lookup.c (pushdecl_maybe_friend): When emitting a
506 shadowing warning, use the code corresponding to the
507 given -Wshadow= variant.
509 2016-10-26 Jason Merrill <jason@redhat.com>
511 * class.c (add_method): Allow using-declarations to coexist.
513 2016-10-25 Jason Merrill <jason@redhat.com>
515 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
516 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
517 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
518 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
520 2016-10-25 Jakub Jelinek <jakub@redhat.com>
522 * parser.c (cp_parser_postfix_expression): Adding missing break;.
524 * cp-tree.h (finish_builtin_launder): Declare.
525 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
526 * semantics.c (finish_builtin_launder): New function.
527 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
528 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
529 (potential_constant_expression_1): Likewise.
531 2016-10-24 Jakub Jelinek <jakub@redhat.com>
533 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
534 and DW_AT_rvalue_reference.
536 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
537 instead of TREE_CODE (x) == VAR_DECL.
538 * constraint.cc (get_concept_definition): Likewise.
539 (finish_shorthand_constraint): Likewise.
540 * init.c (warn_placement_new_too_small): Likewise.
541 * cp-gimplify.c (cp_genericize_r): Likewise.
543 2016-10-21 Jason Merrill <jason@redhat.com>
546 * pt.c (convert_template_argument): Call convert_nontype_argument
547 on value-dependent but not type-dependent arguments.
548 (convert_nontype_argument): Handle value-dependent arguments.
549 (canonicalize_expr_argument): New.
550 (deducible_expression, unify): Skip CONVERT_EXPR.
551 * error.c (dump_template_argument): Likewise.
552 * mangle.c (write_expression): Likewise.
554 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
556 2016-10-21 Jakub Jelinek <jakub@redhat.com>
558 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
561 2016-10-17 Jakub Jelinek <jakub@redhat.com>
563 * cp-objcp-common.h (cp_function_decl_explicit_p,
564 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
565 (cp_decl_dwarf_attribute): Declare.
566 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
567 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
568 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
569 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
570 * cp-objcp-common.c (cp_function_decl_explicit_p,
571 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
572 (cp_decl_dwarf_attribute): New function.
574 2016-10-15 Jason Merrill <jason@redhat.com>
577 * constexpr.c (maybe_simplify_trivial_copy): New.
578 (cxx_eval_store_expression): Call it.
579 * call.c (build_over_call): Use unsigned char for trivial copy.
581 2016-10-14 Jason Merrill <jason@redhat.com>
583 Implement P0017R1, C++17 aggregates with bases.
584 * class.c (build_base_field_1): Split out from...
585 (build_base_field): ...here. In C++17 mode, build a field for
587 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
588 (next_initializable_field): Allow base fields in C++17.
589 * typeck2.c (process_init_constructor_record): Likewise.
591 2016-10-14 Jakub Jelinek <jakub@redhat.com>
593 DR 1511 - const volatile variables and ODR
594 * decl.c (grokvardecl): Change flags argument to type_quals,
595 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
596 (grokdeclarator): Adjust grokvardecl caller.
598 2016-10-13 Martin Sebor <msebor@redhat.com>
601 * class.c (struct flexmems_t): Add members.
602 (find_flexarrays): Add arguments. Correct handling of anonymous
604 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
605 (check_flexarrays): Add argument.
606 (diagnose_invalid_flexarray): New functions.
608 2016-10-13 Jakub Jelinek <jakub@redhat.com>
609 Jason Merrill <jason@redhat.com>
611 Implement P0386R2 - C++17 inline variables
612 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
613 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
614 (DECL_VAR_DECLARED_INLINE_P): Define.
615 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
616 (DECL_INLINE_VAR_P): Define.
617 (diagnose_inline_vars_for_namespace): Declare.
618 * decl.c (diagnose_inline_vars_for_namespace): New function.
619 (duplicate_decls): For static data members copy
620 DECL_DECLARED_CONSTEXPR_P.
621 (redeclaration_error_message): Handle C++17 redundant redeclaration
622 of constexpr static data member outside of class.
623 (maybe_commonize_var): Handle inline variables.
624 (check_initializer): Ignore inline variables for diagnostics.
625 Adjust diagnostic wording for C++17.
626 (make_rtl_for_nonlocal_decl): Allow in-class definition of
627 inline static data members.
628 (bad_specifiers): Don't diagnose inline on variables here.
629 (grokvardecl): Add inlinep argument, non-static const inline variables
631 (check_static_variable_definition): Return early also for inline
633 (mark_inline_variable): New.
634 (grokdeclarator): Handle inline variables and inline static data
636 * typeck2.c (store_init_value): Don't diagnose non-constant
637 initializers for non-constexpr inline static data members.
638 * decl2.c (vague_linkage_p): Return true for inline variables.
639 (c_parse_final_cleanups): In-class declaration of inline static
640 data members is a definition. Call diagnose_inline_vars_for_namespace
641 through walk_namespaces.
642 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
643 of inline static data members.
645 2016-10-13 Jason Merrill <jason@redhat.com>
647 * decl.c (mark_inline_variable): New.
650 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
652 * decl2.c: Include memmodel.h.
655 2016-10-11 Jason Merrill <jason@redhat.com>
658 * init.c (build_new_1): Don't -Waligned-new about placement new.
659 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
660 * decl.c (cxx_init_decl_processing): New.
662 2016-10-10 Jason Merrill <jason@redhat.com>
666 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
667 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
669 2016-10-08 Jason Merrill <jason@redhat.com>
671 * cp-gimplify.c (cp_fold): Add variable name.
673 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
676 2016-10-07 Jason Merrill <jason@redhat.com>
678 Further P0135 refinement.
679 * call.c (build_user_type_conversion_1): Consider conversions from
680 a single element in an initializer-list.
681 (build_temp): Undo early_elide_copy change.
682 (build_over_call): Check that we don't try to copy a TARGET_EXPR
683 in C++17 mode. Set user_conv_p here.
684 (convert_like_real): Not here.
685 (check_self_delegation): Split out from...
686 (build_special_member_call): ...here. Handle C++17 copy elision.
687 * cvt.c (early_elide_copy): Remove.
688 (ocp_convert): Undo early_elide_copy change.
689 * except.c (build_throw): Likewise.
690 * init.c (expand_default_init): Likewise.
691 * typeck.c (cp_build_modify_expr): Likewise.
693 2016-10-07 Nathan Sidwell <nathan@acm.org>
697 * init.c (emit_mem_initializers): Don't construct vbases of
699 (push_base_cleanups): Don't push vbase cleanups for abstract class
701 * method.c (synthethesized_method_walk): Don't walk vbases of
702 abstract classes when in C++14 mode.
704 2016-10-07 Jakub Jelinek <jakub@redhat.com>
706 Implement LWG2296 helper intrinsic
707 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
708 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
709 * constexpr.c (potential_constant_expression_1): Likewise.
710 * error.c (dump_expr): Likewise.
711 * typeck.c (cp_build_addressof): New function.
712 * cp-tree.h (cp_build_addressof): Declare.
713 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
714 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
715 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
716 ADDRESSOF_EXPR. Add __builtin_addressof and
717 __has_unique_object_representations into syntax in function comment.
718 (pp_cxx_addressof_expression): New function.
719 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
721 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
724 * parser.c (cp_parser_base_specifier): Fix a warning.
726 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
729 * decl.c (grokdeclarator): Try to find the correct location for an
732 2016-10-07 Martin Liska <mliska@suse.cz>
734 * lambda.c (maybe_add_lambda_conv_op): Set default value.
736 2016-10-06 Jason Merrill <jason@redhat.com>
738 * call.c (build_temp, convert_like_real): Don't re-copy
739 TARGET_EXPR. Handle packed fields.
740 (build_x_va_arg): Wrap it in a TARGET_EXPR.
741 (build_over_call): Add sanity check.
742 * cvt.c (early_elide_copy): New.
743 (ocp_convert): Use it.
744 * except.c (build_throw): Use it.
745 * init.c (get_nsdmi): Put back the TARGET_EXPR.
746 (expand_default_init): Call early_elide_copy.
747 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
749 2016-10-06 Jakub Jelinek <jakub@redhat.com>
751 Implement P0258R2 - helper for C++17
752 std::has_unique_object_representations trait
753 * cp-tree.h (enum cp_trait_kind): Add
754 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
755 (struct lang_type_class): Add unique_obj_representations
756 and unique_obj_representations_set bitfields.
757 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
758 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
759 (type_has_unique_obj_representations): Declare.
760 * parser.c (cp_parser_primary_expression): Handle
761 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
762 (cp_parser_trait_expr): Likewise. Formatting fix.
763 * semantics.c (trait_expr_value, finish_trait_expr): Handle
764 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
765 * tree.c (type_has_unique_obj_representations): New function.
766 (record_has_unique_obj_representations): New function.
767 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
768 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
770 2016-10-05 Jason Merrill <jason@redhat.com>
772 Implement P0135R1, Guaranteed copy elision.
773 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
776 * call.c (reference_binding): Fix binding to member of temporary.
778 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
780 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
782 * semantics.c (finish_compound_literal): Handle class placeholder.
784 2016-10-05 Marek Polacek <polacek@redhat.com>
786 Implement P0305R1, Selection statements with initializer.
787 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
788 instead of finish_for_init_stmt.
789 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
790 * decl.c (poplevel): Adjust a comment.
791 * init.c (build_vec_init): Call finish_init_stmt instead of
792 finish_for_init_stmt.
793 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
794 * name-lookup.h (enum scope_kind): Likewise.
795 * parser.c (cp_parser_statement): Update commentary.
796 (cp_parser_init_statement_p): New function.
797 (cp_parser_selection_statement): Parse the optional init-statement.
798 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
799 (cp_parser_c_for): Likewise.
800 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
801 (cp_parser_range_for_member_function): Update commentary.
802 (cp_parser_iteration_statement):
803 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
804 * pt.c (tsubst_omp_for_iterator): Update commentary.
805 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
806 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
809 2016-10-04 Jason Merrill <jason@redhat.com>
812 * pt.c (do_class_deduction): Handle list-initialization.
813 (do_auto_deduction): Call it sooner.
814 (build_deduction_guide): Use tsubst_arg_types.
815 (rewrite_template_parm): Don't copy_type.
818 * constexpr.c (cxx_eval_component_reference): Use name matching
821 Implement P0091R2, Template argument deduction for class templates.
822 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
823 Use the location of the beginning of the type-specifier.
824 (cp_parser_init_declarator): Parse deduction guide.
825 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
826 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
827 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
828 * decl.c (grokdeclarator): Check for uninitialized auto here.
829 (start_decl_1): Not here.
830 (cp_finish_decl): Or here. Don't collapse a list when doing
832 (grokfndecl): Check deduction guide scope and body.
833 * error.c (dump_decl, dump_function_decl, dump_function_name):
834 Handle deduction guides.
835 * pt.c (make_template_placeholder, do_class_deduction): New.
836 (build_deduction_guide, rewrite_template_parm): New.
837 (dguide_name, dguide_name_p, deduction_guide_p): New.
838 (do_auto_deduction): Call do_class_deduction.
839 (splice_late_return_type, is_auto): Handle class placeholders.
840 (template_parms_level_to_args): Split from template_parms_to_args.
841 (tsubst_template_parms_level): Split from tsubst_template_parms.
842 * typeck2.c (build_functional_cast): Handle class placeholder.
844 2016-10-04 Martin Sebor <msebor@redhat.com>
847 * init.c (warn_placement_new_too_small): Avoid assuming an array type
850 2016-10-04 Jakub Jelinek <jakub@redhat.com>
853 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
854 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
857 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
858 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
859 (java_byte_type_node, java_short_type_node, java_int_type_node,
860 java_long_type_node, java_float_type_node, java_double_type_node,
861 java_char_type_node, java_boolean_type_node, lang_name_java,
862 jclass_node): Remove.
863 (enum languages): Remove lang_java.
864 (TYPE_FOR_JAVA): Remove.
865 (struct lang_type_class): Remove java_interface bit-field.
866 (TYPE_JAVA_INTERFACE): Remove.
867 (pragma_java_exceptions): Remove.
868 (check_java_method, build_java_class_ref): Remove prototypes.
869 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
870 * decl2.c (acceptable_java_type, check_java_method): Remove.
871 (import_export_decl): Remove TYPE_FOR_JAVA handling.
872 (build_java_method_aliases): Remove.
873 (c_parse_final_cleanups): Don't call build_java_method_aliases.
874 (possibly_inlined_p): Don't test pragma_java_exceptions.
875 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
876 (build_java_class_ref): Remove.
877 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
878 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
879 * except.c (eh_type_info): Remove java type handling.
880 (decl_is_java_type, choose_personality_routine): Remove.
881 (initialize_handler_parm): Don't call choose_personality_routine.
882 (expand_start_catch_block): Don't handle java types.
883 (build_throw): Likewise.
884 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
885 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
886 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
887 (java_iface_lookup_fn): Remove.
888 (build_java_interface_fn_ref): Remove.
889 * tree.c (cxx_attribute_table): Remove java_interface.
890 (handle_java_interface_attribute): Remove.
891 * lex.c (pragma_java_exceptions): Remove.
892 (init_cp_pragma): Don't register GCC java_exceptions pragma.
893 (handle_pragma_java_exceptions): Remove.
894 (retrofit_lang_decl): Don't handle lang_name_java.
895 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
896 * error.c (language_to_string): Don't handle lang_java.
897 * decl.c (record_builtin_java_type): Remove.
898 (initialize_predefined_identifiers): Remove Java.
899 (cxx_init_decl_processing): Remove java_*_type_node.
900 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
901 (grokfndecl): Likewise.
902 (check_special_function_return_type): Likewise.
903 (grokdeclarator): Don't set TYPE_FOR_JAVA.
904 (grokparms): Don't handle TYPE_FOR_JAVA.
905 (xref_basetypes): Likewise.
906 (check_function_type): Likewise.
907 (finish_constructor_body): Likewise.
908 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
909 and java_*_type_node.
910 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
911 (write_java_integer_type_codes): Remove.
912 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
913 (add_implicitly_declared_members, determine_key_method,
914 finish_struct_1): Likewise.
915 (push_lang_context): Don't handle lang_name_java.
917 2016-10-03 Marek Polacek <polacek@redhat.com>
920 * typeck.c (cp_build_binary_op): Pass original operands to
921 null_ptr_cst_p, not those after the default conversions.
923 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
925 * parser.c (cp_parser_condition): Fix a warning.
927 2016-09-29 Jakub Jelinek <jakub@redhat.com>
929 Implement P0001R1 - C++17 removal of register storage class specifier
930 * decl.c (cp_finish_decl): Diagnose register storage class
931 on vars except when used in GNU global or local register variable
933 (grokdeclarator): Diagnose register storage class on parameters.
934 * except.c (expand_start_catch_block): Set DECL_REGISTER only
935 after cp_finish_decl call.
937 2016-09-29 Marek Polacek <polacek@redhat.com>
939 * rtti.c (involves_incomplete_p): Add fall through comment.
941 2016-09-28 Jakub Jelinek <jakub@redhat.com>
944 * constexpr.c (enum constexpr_switch_state): New.
945 (struct constexpr_ctx): Add css_state field.
946 (label_matches): Add CTX and STMT arguments, remove I and
947 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
948 handle default labels according to css_state.
949 (cxx_eval_statement_list): Remove statement skipping, label_matches
950 and default_label handling code.
951 (cxx_eval_loop_expr): Exit after first iteration even if
952 switches (jump_target).
953 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
954 label has been seen in the body, but no cases matched, evaluate
955 the body second time.
956 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
957 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
958 statement is not skipped. For COND_EXPR during skipping, don't
959 evaluate condition, just the then block and if still skipping at the
960 end also the else block.
961 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
962 (is_sub_constant_expr): Likewise.
964 2016-09-27 Jakub Jelinek <jakub@redhat.com>
966 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
967 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
968 true instead of false as by_reference_p to add_capture for 'this'.
969 Parse '*this' simple-capture.
970 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
971 (add_capture): Adjust function comment. For id == this_identifier,
972 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
973 by value, and !by_reference_p as capturing '*this' by value.
974 (add_default_capture): For implicit 'this' capture, always pass
975 by_reference_p true rather than false.
978 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
979 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
980 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
982 2016-09-26 Nathan Sidwell <nathan@acm.org>
984 * init.c (expand_default_init): Fix } indentation.
985 * method.c (process_subob_fn): Simplify control structure to
987 (implicitly_declare_fn): Remove duplicated lambda ctor check.
989 2016-09-26 Marek Polacek <polacek@redhat.com>
992 * parser.c (cp_parser_storage_class_specifier_opt): Add
994 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
995 (cp_parser_cache_defarg): Likewise.
996 (cp_parser_omp_for_cond): Likewise.
997 * semantics.c (finish_decltype_type): Likewise.
998 * typeck.c (structural_comptypes): Likewise.
999 (cp_build_binary_op): Likewise.
1000 (cp_build_modify_expr): Likewise.
1002 2016-09-26 Marek Polacek <polacek@redhat.com>
1005 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
1006 (potential_constant_expression_1): Likewise.
1007 * constraint.cc (function_concept_check_p): Check fn for null.
1008 * parser.c (cp_parser_expression_statement): Handle attribute
1010 (cp_parser_statement): Likewise.
1011 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
1013 (cp_parser_std_attribute): Handle fallthrough attribute.
1014 (cp_parser_check_std_attribute): Add %< %> quotes.
1015 * pt.c (tsubst_copy_and_build): Handle internal functions.
1016 (instantiation_dependent_scope_ref_p): Return if the expression is
1019 2016-09-24 Marek Polacek <polacek@redhat.com>
1022 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
1025 2016-09-23 Jakub Jelinek <jakub@redhat.com>
1027 Implement P0138R2, C++17 construction rules for enum class values
1028 * cp-tree.h (is_direct_enum_init): Declare.
1029 * decl.c (is_direct_enum_init): New function.
1030 (reshape_init): Use it.
1031 * typeck.c (convert_for_assignment): Likewise.
1033 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
1036 * constexpr.c (call_stack): Remove unnecessary
1037 = vNULL initialization of file scope vec.
1039 * name-lookup.c (store_bindings, store_class_bindings): Don't
1040 initialize static local bindings_need_stored to vNULL.
1042 * typeck2.c (process_init_constructor_record): Use
1043 CONSTRUCTOR_NELTS (...) instead of
1044 vec_safe_length (CONSTRUCTOR_ELTS (...)).
1045 * decl.c (reshape_init_r): Likewise.
1046 (check_initializer): Likewise.
1048 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
1051 * class.c (build_base_path): Allow for lookup_base returning
1054 2016-09-21 Jason Merrill <jason@redhat.com>
1057 * call.c (null_ptr_cst_p): Check char_type_p.
1059 2016-09-21 Jakub Jelinek <jakub@redhat.com>
1062 * init.c (build_new_1): Don't suggest to use -faligned-new if
1063 aligned_new_threshold is non-zero.
1064 (type_has_new_extended_alignment): Change aligned_new_threshhold
1065 to aligned_new_threshold.
1066 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
1067 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
1068 * decl.c (cxx_init_decl_processing): Likewise.
1070 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1073 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
1074 FIELD_DECLs with error_mark_node type. Remove useless break; after
1078 * parser.c (cp_parser_template_declaration_after_parameter): For 2
1079 argument operator"" template set ok to false for
1080 parm == error_mark_node.
1083 * parser.c (cp_parser_std_attribute_list): Reject ... without
1084 preceding attribute.
1086 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1089 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
1091 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1094 * parser.c (cp_parser_class_head): When
1095 processing_template_parmlist, don't assume that the
1096 class-head may start an explicit specialization.
1098 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1101 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1102 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1105 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1106 call is_really_empty_class on complete types.
1109 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1110 TYPE_HAS_MUTABLE_P for any bases.
1112 2016-09-16 Jason Merrill <jason@redhat.com>
1114 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1116 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1117 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1119 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1122 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1125 2016-09-14 Marek Polacek <polacek@redhat.com>
1127 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1128 expressions. Tweak an error message.
1130 2016-09-14 Marek Polacek <polacek@redhat.com>
1132 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1134 * decl2.c (one_static_initialization_or_destruction): Use true instead
1136 * init.c (build_vec_init): Use false instead of 0.
1137 * pt.c (tsubst_copy_and_build): Likewise.
1138 * semantics.c (simplify_loop_decl_cond): Likewise.
1139 * typeck.c (rationalize_conditional_expr): Likewise.
1140 (cp_build_binary_op): Use true instead of 1.
1141 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1143 (build_unary_op): Change nonconvert parameter type to bool.
1144 (unary_complex_lvalue): Use false instead of 0.
1146 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1148 Implement P0028R4, C++17 using attribute namespaces without repetition
1149 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1150 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1151 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1152 identifier after ::.
1153 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1154 to cp_parser_std_attribute calls.
1155 (cp_parser_std_attribute_spec): Parse optional C++17
1156 attribute-using-prefix, adjust grammar in function comment.
1159 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1160 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1161 (cxx_eval_pointer_plus_expression): Remove.
1162 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1163 call cxx_eval_pointer_plus_expression.
1165 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1167 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1168 add_fixit_insert to add_fixit_insert_before.
1169 (cp_parser_class_head): Likewise.
1171 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1174 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1175 * class.c (instantiate_type): Look through the SAVE_EXPR.
1177 2016-09-09 Jason Merrill <jason@redhat.com>
1179 Implement P0035R4, C++17 new of over-aligned types.
1180 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1181 (align_type_node): New macro.
1182 * call.c (build_operator_new_call): Handle C++17 aligned new.
1183 (second_parm_is_size_t, build_op_delete_call): Likewise.
1184 (non_placement_deallocation_fn_p): Likewise. Rename to
1185 usual_deallocation_fn_p.
1186 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1187 * decl.c (cxx_init_decl_processing): Add aligned new support.
1188 * init.c (type_has_new_extended_alignment): New.
1189 (build_new_1): Handle aligned new.
1190 * tree.c (vec_copy_and_insert): New.
1192 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1195 * decl2.c (do_static_initialization_or_destruction): Only
1196 call asan_dynamic_init_call if INITP is true.
1198 2016-09-01 Martin Sebor <msebor@redhat.com>
1200 * mangle.c: Increase buffer size to guarantee it fits the output
1201 of the formatted function regardless of its arguments.
1203 2016-09-01 Marek Polacek <polacek@redhat.com>
1206 * error.c (dump_type): Fix falls through comment.
1207 (dump_decl): Likewise.
1208 (dump_expr): Likewise.
1210 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1212 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1213 hint to ">>" within nested template argument list error.
1215 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1217 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1218 rather than add_fixit_misspelled_id.
1219 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1221 2016-08-29 Jason Merrill <jason@redhat.com>
1224 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1225 (mangle_thunk): Add thunk parameter.
1226 * method.c (finish_thunk): Pass it.
1227 * cp-tree.h: Declare it.
1229 2016-08-15 Jason Merrill <jason@redhat.com>
1231 Avoid calling a trivial default constructor.
1232 * class.c (default_ctor_p): New.
1233 (in_class_defaulted_default_constructor): Use it.
1234 (type_has_non_user_provided_default_constructor): Use it.
1235 * call.c (build_over_call): Handle trivial default constructor.
1236 * cp-tree.h: Declare default_ctor_p.
1239 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1242 2016-08-25 Marek Polacek <polacek@redhat.com>
1244 * parser.c (cp_parser_binary_expression): Pass LHS to
1245 warn_logical_not_parentheses.
1247 2016-08-18 Marek Polacek <polacek@redhat.com>
1250 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1251 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1252 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1253 (cp_parser_cache_defarg): Likewise.
1255 2016-08-12 Marek Polacek <polacek@redhat.com>
1258 * call.c (add_builtin_candidate): Add FALLTHRU.
1259 (build_integral_nontype_arg_conv): Adjust fall through comment.
1260 (build_new_op_1): Add FALLTHRU.
1261 (convert_like_real): Adjust fall through comment.
1262 * class.c (fixed_type_or_null): Likewise.
1263 * constexpr.c (cxx_eval_constant_expression): Likewise.
1264 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1265 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1266 (cp_fold): Add FALLTHRU.
1267 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1268 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1269 (pp_cxx_qualified_id): Likewise.
1270 (cxx_pretty_printer::constant): Adjust fall through comment.
1271 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1272 (pp_cxx_pm_expression): Adjust fall through comment.
1273 (cxx_pretty_printer::expression): Add FALLTHRU.
1274 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1275 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1276 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1277 * error.c (dump_type): Adjust fall through comment.
1278 (dump_decl): Likewise.
1279 * mangle.c (write_type): Likewise.
1280 * method.c (synthesized_method_walk): Add FALLTHRU.
1281 * name-lookup.c (arg_assoc_type): Likewise.
1282 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1283 (cp_parser_primary_expression): Add FALLTHRU.
1284 (cp_parser_operator): Likewise.
1285 * pt.c (find_parameter_packs_r): Likewise.
1286 (tsubst_aggr_type): Adjust fall through comment.
1287 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1288 * tree.c (lvalue_kind): Likewise.
1290 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1293 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1294 (cp_function_decl_explicit_p): Const_tree-ify.
1295 (cp_function_decl_deleted_p): Likewise.
1296 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1297 (cp_function_decl_explicit_p): Const_tree-ify.
1298 (cp_function_decl_deleted_p): Likewise.
1299 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1301 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1304 * constexpr.c (label_matches): Handle case range expressions.
1306 2016-08-11 Jason Merrill <jason@redhat.com>
1309 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1311 2016-08-10 Jason Merrill <jason@redhat.com>
1313 Implement C++17 constexpr if.
1314 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1315 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1316 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1317 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1318 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1319 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1320 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1321 (finish_if_stmt_cond): Require the condition of a
1322 constexpr if to be constant.
1323 * decl.c (level_for_constexpr_if): New.
1324 (named_label_entry): Add in_constexpr_if field.
1325 (poplevel_named_label_1): Set it.
1326 (check_goto): Check it.
1327 (check_previous_goto_1): Check level_for_constexpr_if.
1329 2016-08-09 Jason Merrill <jason@redhat.com>
1332 * decl2.c (any_dependent_type_attributes_p): New.
1333 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1334 * semantics.c (finish_id_expression): Check it.
1335 * typeck.c (finish_class_member_access_expr): Check it.
1338 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1340 Adjust mangling of ABI tags on class template member functions.
1341 * class.c (missing_abi_tags): New.
1342 (check_abi_tags): Don't check template. Add just_checking mode.
1343 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1344 (sorted_abi_tags): Split out from write_abi_tags.
1345 (struct releasing_vec): New.
1346 (write_unqualified_name): Only look for the primary
1347 template for types. Implement backward compatibility.
1350 * constexpr.c (cxx_eval_constant_expression): Check
1351 COMPLETE_TYPE_P before calling is_really_empty_class.
1352 * class.c (is_really_empty_class): Don't call complete_type.
1355 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1357 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1360 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1361 builtin aggregate types without TYPE_BINFO.
1363 2016-08-08 Jason Merrill <jason@redhat.com>
1365 Implement C++17 constexpr lambda.
1366 * class.c (finalize_literal_type_property): Handle lambdas.
1367 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1368 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1370 (cxx_eval_constant_expression): Handle capture proxy.
1371 (var_in_constexpr_fn): Don't check for C++14.
1372 (var_in_maybe_constexpr_fn): New.
1373 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1374 declarations not allowed in constexpr function. Handle
1375 STATIC_ASSERT, RANGE_FOR_STMT.
1376 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1377 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1378 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1379 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1380 (lambda_static_thunk_p): New.
1381 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1382 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1383 (cp_parser_decl_specifier_seq): Handle it.
1384 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1385 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1386 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1387 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1388 (dump_expr) [FUNCTION_DECL]: Pass it.
1390 2016-08-08 Jason Merrill <jason@redhat.com>
1393 * class.c (is_really_empty_class): Call complete_type.
1394 * constexpr.c (cxx_eval_constant_expression): Check
1395 is_really_empty_class.
1396 (potential_constant_expression_1): Likewise. Check for error type.
1398 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1401 * parser.c: Include tree-iterator.h.
1402 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1404 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1407 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1409 * call.c (convert_like_real): Harmonize diagnostics for invalid
1412 2016-08-05 Martin Sebor <msebor@redhat.com>
1414 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1415 the spelling of "constant-expression" in diagnostic messages
1417 (cxx_eval_constant_expression): Same.
1418 (cxx_eval_outermost_constant_expr): Same.
1419 (potential_constant_expression_1): Same.
1421 2016-08-05 Nathan Sidwell <nathan@acm.org>
1424 * pt.c (unify): TRAIT_EXPR is an expr.
1426 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1429 * lambda.c (add_capture): Check lambda_capture_field_type return
1430 value for error_mark_node.
1432 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1435 * pt.c (tsubst_qualified_id): Return error_mark_node if
1436 template_args is error_mark_node.
1438 2016-08-04 Jason Merrill <jason@redhat.com>
1441 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1444 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1445 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1446 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1447 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1450 * typeck.c (finish_class_member_access_expr): Avoid stripping
1451 SCOPE_REF to dependent base.
1453 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1455 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1456 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1457 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1458 Simplify code, and improve diagnostics.
1459 (cp_parser_oacc_routine): Likewise. Move pragma context
1461 (cp_parser_pragma): ... here.
1463 * parser.h (struct cp_omp_declare_simd_data): New.
1464 (struct cp_parser): Use it for oacc_routine member.
1465 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1466 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1467 Use it. Simplify code.
1468 (cp_parser_new): Initialize all members pointing to special
1469 parsing data structures.
1470 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1471 parser->cilk_simd_fn_info->clauses.
1472 (cp_parser_omp_declare_simd): Initialize
1473 parser->omp_declare_simd->clauses.
1474 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1476 2016-08-04 Marek Polacek <polacek@redhat.com>
1479 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1482 2016-08-01 Jason Merrill <jason@redhat.com>
1484 * mangle.c (mangle_decl): Warn about mangled name change even if
1487 * mangle.c (get_abi_tags): New.
1488 (find_substitution, write_unqualified_name, write_abi_tags)
1489 (maybe_check_abi_tags): Use it.
1491 * mangle.c (mangle_decl): Fix mangled name change warning.
1494 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1496 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1499 2016-07-30 Martin Sebor <msebor@redhat.com>
1503 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1504 involving null pointers.
1505 (cxx_eval_component_reference): Reject null pointer dereferences.
1506 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1507 (cxx_eval_constant_expression): Reject invalid expressions involving
1510 2016-07-29 Marek Polacek <polacek@redhat.com>
1513 * semantics.c (maybe_convert_cond): Use the location of COND for the
1514 parentheses warning.
1516 2016-07-29 Jason Merrill <jason@redhat.com>
1518 * decl.c (build_enumerator): Tweak diagnostic.
1521 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1522 * constexpr.c (build_data_member_initialization): Handle multiple
1523 initializers for the same field.
1525 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1528 * decl.c (build_enumerator): Check the type of the enumerator before
1529 calling cxx_constant_value.
1531 2016-07-27 Jason Merrill <jason@redhat.com>
1534 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1535 parameters with spec_tmpl. Call push_tinst_level.
1536 (most_specialized_partial_spec): Adjust.
1537 (more_specialized_partial_spec): Adjust.
1539 2016-07-25 Jason Merrill <jason@redhat.com>
1542 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1545 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1546 (build_lambda_object): Call build_x_compound_expr_from_list.
1547 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1551 * pt.c (coerce_template_parameter_pack): Fix logic for
1555 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1556 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1560 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1561 value of an element we're currently modifying.
1563 2016-07-24 Jason Merrill <jason@redhat.com>
1566 * pt.c (resolve_typename_type): Try to avoid calling
1567 currently_open_class.
1569 2016-07-23 Jason Merrill <jason@redhat.com>
1572 * call.c (add_list_candidates): Handle VTT parm.
1573 (build_new_method_call_1): Likewise.
1577 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1580 * class.c (walk_subobject_offsets): Handle 0-length array.
1583 * pt.c (tsubst): Also substitute into the template of a
1584 BOUND_TEMPLATE_TEMPLATE_PARM.
1587 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1590 * decl.c (reshape_init_r): Check complain for missing braces warning.
1592 2016-07-22 Jason Merrill <jason@redhat.com>
1595 * call.c (convert_like_real): Use lvalue_kind.
1599 * pt.c (tsubst_baselink): Call
1600 adjust_result_of_qualified_name_lookup for unqualified
1603 2016-07-21 Jason Merrill <jason@redhat.com>
1606 * semantics.c (apply_deduced_return_type): Call
1607 complete_type_or_else before building the new RESULT_DECL.
1610 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1611 (decl_constant_var_p): Use it instead.
1614 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1618 * call.c (unsafe_copy_elision_p): It's OK to elide when
1619 initializing an unknown object.
1621 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1622 trivial constructors.
1623 * method.c (do_build_copy_constructor): Don't copy tail padding
1624 even in a trivial constructor.
1626 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1629 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1630 Replace assert with test, return false if the goto isn't break
1631 or continue. Formatting fix.
1633 2016-07-21 Richard Biener <rguenther@suse.de>
1635 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1638 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1641 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1642 save/restore bc_label array.
1644 2016-07-21 Jason Merrill <jason@redhat.com>
1647 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1648 error parsing the lambda-declarator.
1651 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1652 between lowered and unlowered PTRMEM_CST.
1655 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1656 Don't set c_inhibit_evaluation_warnings.
1659 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1661 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1662 Jason Merrill <jason@redhat.com>
1664 Improving concepts performance and diagnostics.
1668 * cp-tree.def (CHECK_CONSTR): New.
1669 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1670 (CHECK_CONSTR_ARGS): New.
1671 * constraint.cc (make_predicate_constraint): Remove in favor of
1672 normalize_expression.
1673 (resolve_constraint_check): Actually return error_mark_node when
1675 (resolve_variable_concept_check): Perform coercion as if processing
1676 a template. Also return errors on resolution failure.
1677 (lift_*): Remove all of these functions. Don't unnecessarily inline
1679 (learn_*): Add facilities to memoize implications for subsumption
1680 during normalization.
1681 (expanding_concept): New.
1682 (expand_concept): New. Return the inlined and normalized definition
1683 of a concept when needed.
1684 (transform_*, xform_*): Rename to normalize_* to better reflect the
1685 responsibility of those functions.
1686 (normalize_template_id_expression): Check for non-boolean operands
1687 when possible. Generate check constraints instead of normal variable
1689 (normalize_call_expression): Report errors when resolution fails.
1690 (check_for_logical_overloads): Rewrite this check to more accurately
1692 (normalize_atom): Check for overloaded calls and invalid types before
1693 determining if the expression refers to a concept.
1694 (build_constraints): Don't cache normalized constraints or decomposed
1696 (finish_shorthand_constraint): Return a normalized expression instead
1697 of a predicate constraint.
1698 (finish_template_introduction): Same.
1699 (placeholder_extract_concept_and_args): Rewrite this since we only
1700 ever get check constraints here.
1701 (equivalent_placeholder_constraints): Rewrite in terms of check
1702 constraints, and handle error_mark_nodes correctly.
1703 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1704 (tsubst_implicit_conversion_constr)
1705 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1706 (tsubst_parameterized_constraint, tsubst_constraint): New.
1707 (tsbust_conjunection): Replace with tsubst_logical_operator and
1708 actually generate the right kind of constraint.
1709 (tsubst_requirement_body): Reverse the order of substituted arguments
1710 so that they appear in the order written (helps diagnostics).
1711 (satisfy_check_constraint): New.
1712 (satisfy_conjunction): Simplify.
1713 (satisfy_disjunction): Same.
1714 (satisfy_constraint_1): Handle check constraints.
1715 (eval_constr): New (private) global state.
1716 (evaluating_constraints_sentinel): New. Manages eval_constr.
1717 (satisfy_constraint): Add timing variables.
1718 (satisfy_associated_constraints): Add hooks for memoization.
1719 (evaluate_function_concept): Build a check constraint instead of
1720 normalizing its definition.
1721 (evaluate_variable_concept): Same.
1722 (evaluate_constraint_expression): Normalize, but in the current
1723 declaration processing context.
1724 (evaluating_constraints_p): New.
1725 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1726 (diagnose_*): Remove artificial indentation. Add a new parameter to
1727 each that tracks the current (complete) constraint prior to any
1729 (diagnose_expression): Removed.
1730 (diagnose_call_expression): Same.
1731 (diagnose_template_id): Same.
1732 (diagnose_template_id): New.
1733 (diagnose_logical_constraint): New.
1734 (diagnose_expression_constraint): Show the original expression.
1735 (diagnose_type_constraint): Show the original type.
1736 (diagnose_implicit_conversion_constraint): Be specific about
1737 failures, don't re-diagnose a known-to-be-failed substitutions,
1738 and manage elisions properly.
1739 (diagnose_argument_deduction_constraint): Same.
1740 (diagnose_exception_constraint): Same.
1741 (diagnose_parameterized_constraint): Same.
1742 (constraint_p): Allow EXPR_PACK_EXPANSION.
1743 * logic.cc (next_by_distance): Removed. No longer used.
1744 (any_p): Renamed from any_of.
1745 (term_entry, term_hasher): New.
1746 (term_list): Rewrite to include a hash table for quick lookup.
1747 Also, make less stateful.
1748 (proof_state): Extend to allow goals to be discharged once
1750 (non_atomic_constraint_p): New.
1751 (any_non_atomic_constraints_p): New.
1752 (...rest...): Previous implementation completely replaced with an
1753 iterative algorithm that opportunistically prunes the search space
1754 before committing to using more memory.
1755 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1756 (cp_parser_explicit_template_declaration): Same.
1757 * pt.c: (finish_template_variable): Be less redundant with this error
1759 (template_args_equal): No longer static.
1760 (tsubst_decl): Don't try to find specializations of variables that
1761 have already been instantiated.
1762 (build_non_dependent_expr): Avoid infinite recursion during concept
1764 (make_constrained_auto): Normalize constraints.
1765 (do_auto_deduction): When doing auto deduction from a
1766 partial-concept-id, be sure to include the explicit args checking
1768 (constraint_sat_*): New. Memoize satisfied constraints.
1769 (concept_spec_*): New. Memoize expressions associated with a concept
1771 (constraint_memos, concept_memos): New.
1772 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1773 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1774 (get_concept_expansion, save_concept_expansion): New.
1775 (hash_subsumption_args): New.
1776 (comp_subsumption_args): New.
1777 (subsumption_*): New. Memoize parts of the subsumption relation.
1778 (lookup_subsumption_result, save_subsumption_result): New.
1779 (init_constraint_processing): Initialize memo tables.
1780 (get_constraints): Shortcut if !flag_concepts.
1781 * decl.c (grokfndecl): Normalize constraints.
1782 * error.c (dump_simple_decl): Print "concept" when appropriate.
1783 (dump_function_decl): Same.
1784 (dump_template_decl): Don't write requirements when we're not
1785 printing the header.
1786 (dump_expr): Handle fold expressions.
1787 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1789 (get_fold_operator): New.
1790 (pp_cxx_unary_left_fold_expression): New.
1791 (pp_cxx_unary_right_fold_expression): New.
1792 (pp_cxx_binary_fold_expression): New.
1793 (pp_cxx_check_constraint): New.
1794 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1795 to make them easier to read when debugging.
1796 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1797 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1799 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1803 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1805 (suggest_alternatives_for): If no candidates are found, try
1806 lookup_name_fuzzy and report if if finds a suggestion.
1807 (consider_binding_level): New function.
1808 (lookup_name_fuzzy) New function.
1809 * parser.c: Include gcc-rich-location.h.
1810 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1812 (cp_keyword_starts_decl_specifier_p): ...this new function.
1813 (cp_parser_diagnose_invalid_type_name): When issuing
1814 "does not name a type" errors, attempt to make a suggestion using
1816 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1817 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1818 types that are not CLASS_TYPE_P, rather than rejecting individual
1821 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1824 * parser.c (cp_parser_save_member_function_body): Consume
1825 __transaction_relaxed or __transaction_atomic with optional
1826 attribute. Only skip catch with block if try keyword is seen.
1829 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1830 when evaluating call arguments. Use fold_builtin_call_array instead
1831 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1832 check the result with potential_constant_expression and call
1833 cxx_eval_constant_expression on it.
1835 2016-07-19 Jason Merrill <jason@redhat.com>
1838 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1839 handle ARGUMENT_PACK_SELECT.
1841 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1845 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1846 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1847 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1851 * call.c (build_op_call_1): Use convert_like_with_context only
1852 if cand->fn is a decl.
1855 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1856 For lval don't use cxx_eval_unary_expression and instead recurse
1857 and if needed rebuild the reference.
1860 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1863 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1864 fold *expr_p before genericizing it.
1867 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1869 2016-07-15 Jason Merrill <jason@redhat.com>
1872 * call.c (convert_like_real): Mask complain.
1873 * semantics.c (perform_koenig_lookup): Likewise.
1876 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1877 threw away DECL_SAVED_TREE.
1881 * call.c (add_template_conv_candidate): Disable if there are
1885 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1888 * pt.c (tsubst_attributes): Fix loop logic.
1892 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1893 (cp_parser_simple_declaration): Diagnose type definition in
1894 for-range-declaration.
1897 * operators.def: Add *_FOLD_EXPR.
1898 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1899 * mangle.c (write_expression): Handle fold-expressions.
1900 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1901 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1902 partial instantiation.
1905 * mangle.c (write_expression): Handle sizeof... an argument pack.
1908 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1911 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1912 artificial variables.
1914 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1916 * parser.c (cp_parser_oacc_declare): Don't scan for
1918 * semantics.c (handle_omp_array_sections): Mark data clauses with
1919 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1920 zero-length subarrays.
1922 2016-07-11 Jason Merrill <jason@redhat.com>
1924 * decl.c (store_parm_decls): Remove check for void parm.
1926 2016-07-08 Jason Merrill <jason@redhat.com>
1928 * cp-tree.h: Unpoison lvalue_p.
1929 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1930 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1933 * tree.c (obvalue_p): Rename from lvalue_p.
1934 (lvalue_p): Define for c-common.
1935 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1937 (cp_build_addr_expr_1): Remove obsolete code.
1939 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1940 * call.c, cp-tree.h, typeck.c: Adjust.
1942 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1944 P0145R2: Refining Expression Order for C++.
1945 * cp-gimplify.c (lvalue_has_side_effects): New.
1946 (cp_gimplify_expr): Implement assignment ordering.
1947 * call.c (op_is_ordered, build_over_call): Adjust for
1948 -fargs-in-order renaming to -fstrong-eval-order.
1949 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1951 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1952 Kai Tietz <ktietz70@googlemail.com>
1956 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1957 artificial vars, genericize their initializers.
1959 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1962 * parser.c (cp_parser_class_specifier_1): When reporting
1963 missing semicolons, use a fixit-hint to suggest insertion
1964 of a semicolon immediately after the closing brace,
1965 offsetting the reported column accordingly.
1967 2016-07-04 Jan Beulich <jbeulich@suse.com>
1969 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1971 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1973 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1974 Move pragma context checking into...
1975 (cp_parser_omp_cancellation_point): ... here, and improve
1976 diagnostic messages.
1977 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1978 Improve diagnostic messages.
1980 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1982 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1984 2016-06-24 Jason Merrill <jason@redhat.com>
1986 P0145R2: Refining Expression Order for C++.
1987 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1989 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1990 (build_target_expr): Call mark_rvalue_use.
1992 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1994 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1995 (build_over_call): For magic == 3, do no conversion only on 3rd
1998 2016-06-23 Andi Kleen <ak@linux.intel.com>
2000 * Make-lang.in: Add support for autofdo.
2002 2016-06-21 Jason Merrill <jason@redhat.com>
2004 * constraint.cc (constraints_satisfied_p): Keep as many levels of
2005 args as our template has levels of parms.
2007 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
2008 (type_dependent_expression_p): Use uses_outer_template_parms.
2010 2016-06-20 David Malcolm <dmalcolm@redhat.com>
2012 * parser.c (cp_parser_string_literal): Convert non-standard
2013 concatenation error to directly use a rich_location, and
2014 use that to add the location of the first literal to the
2017 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
2019 * decl.c (validate_constexpr_redeclaration): Change pair of errors
2021 * error.c (dump_function_decl): Save the constexpr specifier too.
2023 2016-06-17 Jakub Jelinek <jakub@redhat.com>
2025 * tree.c (builtin_valid_in_constant_expr_p): Test for
2026 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
2028 (bot_manip): Likewise.
2029 * call.c (magic_varargs_p): Likewise.
2031 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
2033 * decl.c (grokfndecl): Change pair of errors to error + inform.
2035 2016-06-17 Jason Merrill <jason@redhat.com>
2038 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
2039 warning when there are dependent bases.
2041 2016-06-17 Jakub Jelinek <jakub@redhat.com>
2043 * semantics.c (handle_omp_array_sections_1): Don't ICE when
2044 processing_template_decl when checking for bitfields and unions.
2045 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2046 (finish_omp_clauses): Look through REFERENCE_REF_P even for
2047 array sections with COMPONENT_REF bases.
2049 2016-06-16 Jakub Jelinek <jakub@redhat.com>
2051 * parser.c (cp_parser_omp_var_list_no_open): Call
2052 convert_from_reference before cp_parser_postfix_dot_deref_expression.
2053 * semantics.c (finish_omp_clauses): Don't ICE when
2054 processing_template_decl when checking for bitfields and unions.
2055 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2057 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2059 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
2060 "%qF" in warning_at instead of "%q+F" in warning.
2061 (check_redeclaration_exception_specification): Likewise in pedwarn
2062 (and error, inform, for consistency).
2063 * call.c (joust): Likewise.
2065 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2068 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
2069 code at the end of the for loop; also revert r159637 changes,
2070 add back the gcc_assert.
2071 * cp-tree.h (xref_basetypes): Adjust declaration.
2072 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2074 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2076 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
2078 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2080 * typeck.c: Include "gcc-rich-location.h".
2081 (finish_class_member_access_expr): Simplify fixit code by
2082 using gcc_rich_location::add_fixit_misspelled_id.
2084 2016-06-14 Jason Merrill <jason@redhat.com>
2086 P0145R2: Refining Expression Order for C++.
2087 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
2088 (CALL_EXPR_REVERSE_ARGS): New.
2089 * call.c (build_new_op_1): Set them.
2090 (extract_call_expr, op_is_ordered): New.
2091 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
2092 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
2093 * pt.c (tsubst_copy_and_build): Copy new flags.
2094 * semantics.c (simplify_aggr_init_expr): Likewise.
2095 * tree.c (build_aggr_init_expr): Likewise.
2096 (build_min_non_dep_op_overload): Likewise.
2098 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2101 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2102 olddecl vars, preserve their TREE_READONLY bit.
2105 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2107 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2109 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2111 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2113 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2115 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2118 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2121 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2125 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2128 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2129 emits an error do not zero the type.
2131 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2133 * decl.c (maybe_deduce_size_from_array_init): Use
2134 DECL_SOURCE_LOCATION in error_at.
2135 (layout_var_decl): Likewise.
2136 (check_array_initializer): Likewise.
2137 (check_initializer): Likewise.
2138 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2140 2016-06-08 Martin Sebor <msebor@redhat.com>
2141 Jakub Jelinek <jakub@redhat.com>
2145 * constexpr.c: Include gimple-fold.h.
2146 (cxx_eval_internal_function): New function.
2147 (cxx_eval_call_expression): Call it.
2148 (potential_constant_expression_1): Handle integer arithmetic
2150 * tree.c (builtin_valid_in_constant_expr_p): Handle
2151 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2153 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2155 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2156 return value of tsubst_aggr_type for error_mark_node.
2158 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2161 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2163 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2164 Patrick Palka <ppalka@gcc.gnu.org>
2169 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2170 right after cp_fold call if cp_fold has returned the same stmt
2171 already in some earlier cp_fold_r call.
2172 (cp_fold_function): Add pset automatic variable, pass its address
2175 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2178 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2179 emits an error do not zero the type.
2181 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2184 * decl.c (duplicate_decls): Properly copy the
2185 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2186 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2188 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2190 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2191 arguments as addressable when async clause exists.
2193 2016-06-02 Jan Hubicka <jh@suse.cz>
2195 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2198 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2200 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2201 (start_enum): Likewise.
2202 * parser.c (cp_parser_class_head): Likewise.
2204 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2207 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2208 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2209 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2210 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2211 to the newly built tree.
2213 2016-05-31 Jason Merrill <jason@redhat.com>
2215 * pt.c (instantiate_decl): Avoid recalculation.
2220 * pt.c (instantiate_template_1): Don't put the partial
2221 specialization in DECL_TI_TEMPLATE.
2222 (partial_specialization_p, impartial_args): Remove.
2223 (regenerate_decl_from_template): Add args parm.
2224 (instantiate_decl): Look up the partial specialization again.
2227 * pt.c (check_explicit_specialization): Give better diagnostic about
2228 specializing a hidden friend.
2230 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2233 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2234 to obtain correct locations; avoid redundant diagnostics on
2235 out-of-class definitions.
2237 2016-05-30 Martin Sebor <msebor@redhat.com>
2240 * init.c (warn_placement_new_too_small): Handle placement new arguments
2241 that are elements of arrays more carefully. Remove a pointless loop.
2243 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2246 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2247 when combined with target construct.
2248 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2249 to cp_parser_omp_all_clauses.
2251 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2254 * lex.c (unqualified_name_lookup_error): Take a location too.
2255 (unqualified_fn_lookup_error): Take a cp_expr.
2256 * cp-tree.h (unqualified_name_lookup_error,
2257 unqualified_fn_lookup_error): Adjust declarations.
2258 * semantics.c (perform_koenig_lookup): Adjust
2259 unqualified_fn_lookup_error call, pass the location of
2260 the identifier too as part of a cp_expr.
2262 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2265 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2266 to improve the diagnostic about wrong uses of 'virtual'.
2268 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2271 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2272 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2274 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2278 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2279 decls into the global scope after stripping template bits
2280 and setting DECL_ANTICIPATED.
2282 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2285 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2287 * name-lookup.h (push_namespace): Adjust declaration.
2288 * parser.c (cp_parser_namespace_definition): Check push_namespace
2291 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2294 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2295 decls into the global scope after stripping template bits
2296 and setting DECL_ANTICIPATED.
2298 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2300 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2301 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2303 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2307 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2309 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2310 on the qualified_id then propagate it to the resulting
2312 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2314 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2315 its REF_PARENTHESIZED_P flag.
2317 2016-05-25 Jason Merrill <jason@redhat.com>
2321 * cp-tree.h (enum tag_types): Add scope_type.
2322 * parser.c (cp_parser_class_name): Use scope_type.
2323 (prefer_type_arg): Handle scope_type.
2324 (cp_parser_lookup_name): Use prefer_type_arg.
2325 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2326 int prefer_type, use lookup_flags.
2327 * name-lookup.h: Adjust.
2329 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2331 * parser.c (cp_parser_oacc_declare): Add support for
2332 GOMP_MAP_FIRSTPRIVATE_POINTER.
2333 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2334 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2336 (handle_omp_array_sections): Replace bool is_omp argument with enum
2337 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2338 (finish_omp_clauses): Add specific errors and warning messages for
2339 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2340 call to handle_omp_array_sections.
2342 2016-05-24 Jason Merrill <jason@redhat.com>
2345 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2347 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2349 2016-05-24 Martin Sebor <msebor@redhat.com>
2352 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2353 * pt.c (instantiate_class_template_1): Try to complete the element
2354 type of a flexible array member.
2355 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2356 * typeck.c (complete_type): Also complete the type of the elements of
2357 arrays with an unspecified bound.
2359 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2362 * typeck2.c (check_narrowing): Check pedwarn return value.
2364 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2367 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2368 For OMP_CLAUSE_LINEAR_REF don't require type to be
2369 integral or pointer.
2371 2016-05-24 Richard Biener <rguenther@suse.de>
2375 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2376 * constexpr.c (cxx_eval_array_reference): Handle indexed
2378 * typeck.c (cp_build_array_ref): Adjust.
2380 2016-05-23 Jason Merrill <jason@redhat.com>
2383 * constexpr.c (cxx_eval_call_expression): Check for
2384 fun == current_function_decl again.
2387 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2388 maybe_undo_parenthesized_ref.
2391 * pt.c (tsubst_copy): Just return a local variable from
2392 non-template context. Don't call rest_of_decl_compilation for
2393 duplicated static locals.
2394 (tsubst_decl): Set DECL_CONTEXT of local static from another
2397 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2400 * method.c (forward_parm): Use cp_build_reference_type.
2402 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2405 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2407 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2409 * pt.c (check_for_bare_parameter_packs): Improve error message
2410 location for expressions.
2412 2016-05-20 Nathan Sidwell <nathan@acm.org>
2414 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2416 (cxx_eval_call_expression): Fix comment grammar.
2418 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2421 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2422 and return immediately in case of erroneous code.
2424 2016-05-19 Marek Polacek <polacek@redhat.com>
2427 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2429 2016-05-19 Jason Merrill <jason@redhat.com>
2432 * pt.c (fn_type_unification): Add outer template args if needed.
2433 (type_unification_real): Handle getting full args.
2435 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2438 * parser.c (cp_parser_operator): For array new/delete, check that
2439 cp_parser_require returned a non-NULL token before dereferencing
2442 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2444 * decl.c (finish_enum_value_list): Use the specified mode.
2446 2016-05-18 Jason Merrill <jason@redhat.com>
2448 * pt.c (value_dependent_expression_p): Tweak new cases to better
2449 match the wording in the standard.
2451 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2454 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2455 when the previous cp_lexer_peek_token returns CPP_EOF.
2457 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2460 * call.c (convert_like_real): Check that we are actually converting
2463 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2465 * decl.c (grokdeclarator): Remove errmsg and use of
2466 targetm.invalid_return_type.
2467 (grokparms): Remove errmsg and use of
2468 targetm.invalid_parameter_type.
2470 2016-05-13 Jason Merrill <jason@redhat.com>
2474 * pt.c (tsubst_decl): Use uses_template_parms.
2475 (instantiate_template_1): Handle non-dependent calls in templates.
2476 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2477 (type_dependent_expression_p): Only consider innermost template args.
2478 (dependent_template_arg_p): Check enclosing class of a template here.
2479 (dependent_template_p): Not here.
2480 (type_dependent_object_expression_p): New.
2481 * typeck.c (finish_class_member_access_expr): Use it.
2482 * parser.c (cp_parser_postfix_expression): Use it.
2483 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2484 to detect the current instantiation.
2485 (cp_parser_lookup_name): Really implement DR 141.
2486 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2487 (any_dependent_bases_p): Split out from...
2488 * name-lookup.c (do_class_using_decl): ...here.
2489 * call.c (build_new_method_call_1): Use it.
2490 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2491 * tree.c (non_static_member_function_p): Remove.
2492 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2494 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2495 complete_type_or_else for unknown_type_node, too.
2497 2016-05-12 Marek Polacek <polacek@redhat.com>
2500 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2501 * cp-tree.h (cp_build_modify_expr): Update declaration.
2502 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2504 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2505 cp_build_modify_expr.
2506 * decl2.c (set_guard): Likewise.
2507 (handle_tls_init): Likewise.
2508 * init.c (perform_member_init): Likewise.
2509 (expand_virtual_init): Likewise.
2510 (build_new_1): Likewise.
2511 (build_vec_delete_1): Likewise.
2512 (get_temp_regvar): Likewise.
2513 (build_vec_init): Likewise.
2514 * method.c (do_build_copy_assign): Likewise.
2515 (assignable_expr): Likewise.
2516 * semantics.c (finish_omp_for): Likewise.
2517 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2519 (cp_pointer_int_sum): Add location parameter. Pass it down to
2521 (pointer_diff): Add location parameter. Use it.
2522 (build_modify_expr): Pass location down to cp_build_modify_expr.
2523 (cp_build_modify_expr): Add location parameter. Use it.
2524 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2525 * typeck2.c (cxx_incomplete_type_diagnostic,
2526 cxx_incomplete_type_error): Add location parameter.
2528 2016-05-11 Marek Polacek <polacek@redhat.com>
2531 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2533 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2535 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2536 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2538 2016-05-04 Marek Polacek <polacek@redhat.com>
2540 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2541 with OPT_Wdangling_else.
2543 2016-05-03 Martin Sebor <msebor@redhat.com>
2546 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2547 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2549 2016-05-03 Marek Polacek <polacek@redhat.com>
2552 * call.c (build_cxx_call): Pass location and vNULL down to
2553 check_builtin_function_arguments.
2555 2016-05-03 Richard Biener <rguenther@suse.de>
2557 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2558 the checksum from the previous stage.
2560 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2563 * typeck.c (finish_class_member_access_expr): When
2564 giving a hint about a possibly-misspelled member name,
2565 add a fix-it replacement hint.
2567 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2569 * cp-tree.h (finish_omp_clauses): Update prototype.
2570 * parser.c (cp_parser_oacc_all_clauses): Update call to
2572 (cp_parser_omp_all_clauses): Likewise.
2573 (cp_parser_omp_for_loop): Likewise.
2574 (cp_omp_split_clauses): Likewise.
2575 (cp_parser_oacc_cache): Likewise.
2576 (cp_parser_oacc_loop): Likewise.
2577 (cp_parser_omp_declare_target):
2578 (cp_parser_cilk_simd_all_clauses): Likewise.
2579 (cp_parser_cilk_for): Likewise.
2580 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2581 arguments with enum c_omp_region_type ort.
2582 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2583 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2584 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2585 (tsubst_expr): Update calls to tsubst_omp_clauses.
2586 * semantics.c (finish_omp_clauses): Replace bool arguments
2587 allow_fields, declare_simd, and is_cilk with bitmask ort.
2588 (finish_omp_for): Update call to finish_omp_clauses.
2590 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2593 * parser.c (cp_parser_class_head): Capture the start location;
2594 use it to emit a fix-it insertion hint when complaining
2595 about missing "template <> " in explicit specializations.
2597 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2599 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2601 2016-05-02 Richard Biener <rguenther@suse.de>
2603 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2606 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2609 * class.c (check_field_decl): Remove final int* parameter, change
2610 the return type to bool; fix logic in order not to reject multiple
2611 initialized fields in anonymous struct.
2612 (check_field_decls): Adjust call.
2614 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2617 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2618 OACC_LOOP_CLAUSE_MASK.
2619 (cp_parser_oacc_kernels_parallel): Update call to
2620 c_oacc_split_loop_clauses.
2622 2016-04-28 Jason Merrill <jason@redhat.com>
2624 Implement C++17 [[nodiscard]] attribute.
2627 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2628 * tree.c (handle_nodiscard_attribute): New.
2629 (cxx_attribute_table): Add [[nodiscard]].
2630 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2631 (maybe_warn_nodiscard): New.
2632 (convert_to_void): Call it.
2634 * cvt.c (cp_get_callee): New.
2635 * constexpr.c (get_function_named_in_call): Use it.
2636 * cxx-pretty-print.c (postfix_expression): Use it.
2637 * except.c (check_noexcept_r): Use it.
2638 * method.c (check_nontriv): Use it.
2639 * tree.c (build_aggr_init_expr): Use it.
2640 * cp-tree.h: Declare it.
2642 2015-04-27 Ryan Burn <contact@rnburn.com>
2643 Jeff Law <law@redhat.com>
2647 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2648 instead of cilk_detect_spawn_and_unwrap.
2649 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2651 (cilk_cp_detect_spawn_and_unwrap): New.
2652 * lambda.c: Include cp-cilkplus.h.
2653 * parser.c: Include cp-cilkplus.h.
2654 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2655 * cp-cilkpus.h: New file.
2657 2016-04-27 Nathan Sidwell <nathan@acm.org>
2659 * constexpr.c (get_fundef_copy): Use the original function for
2660 non-recursive evaluations.
2661 (save_fundef_copy): Always expect a slot to be available.
2663 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2665 * parser.c (cp_parser_postfix_expression): Call
2666 warn_for_memset instead of warning directly here.
2668 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2671 * decl.c (build_enumerator): Set current_access_specifier when
2672 declaring an enumerator belonging to an in-class enumeration.
2673 * parser.c (cp_parser_check_access_in_redecleration): Also
2674 consider in-class enumerations.
2676 2016-04-26 Marek Polacek <polacek@redhat.com>
2679 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2680 instead of stabilize_reference.
2681 (build_over_call): Likewise.
2682 * cp-tree.h (cp_stabilize_reference): Declare.
2683 * tree.c (cp_stabilize_reference): New function.
2684 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2685 stabilize_reference.
2686 (unary_complex_lvalue): Likewise.
2687 (cp_build_modify_expr): Likewise.
2689 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2692 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2695 2016-04-25 Jason Merrill <jason@redhat.com>
2697 * tree.c (std_attribute_table): New.
2698 (init_tree): Register it.
2700 2016-04-22 Jason Merrill <jason@redhat.com>
2702 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2704 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2706 * name-lookup.c (free_saved_scope): New free list of saved_scope
2708 (push_to_top_level): Attempt to reuse a saved_scope struct
2709 from free_saved_scope instead of allocating a new one each time.
2710 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2711 onto free_saved_scope.
2713 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2716 * semantics.c (process_outer_var_ref): Unconditionally return
2717 error_mark_node when mark_used returns false.
2719 2016-04-21 Marek Polacek <polacek@redhat.com>
2722 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2723 extra qualification.
2725 2016-04-20 Nathan Sidwell <nathan@acm.org>
2728 * init.c (build_vec_delete_1): Protect operator delete call in try
2730 (build_delete): Likewise.
2731 * optimize.c (build_delete_destructor_body): Likewise.
2733 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2736 * cp-tree.h (finish_omp_clauses): Add new default argument.
2737 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2738 instead of c_finish_cilk_clauses.
2739 * semantics.c (finish_omp_clauses): Add new argument. Allow
2740 floating-point variables in the linear clause for Cilk Plus.
2742 2016-04-20 Nathan Sidwell <nathan@acm.org>
2744 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2747 2016-04-19 Jason Merrill <jason@redhat.com>
2750 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2751 * pt.c (make_pack_expansion): Call mark_exp_read.
2752 * semantics.c (finish_id_expression): Call mark_type_use in
2753 unevaluated context.
2756 * call.c (implicit_conversion): If we choose a copy constructor
2757 for list-initialization from the same type, the conversion is an
2760 * constexpr.c (breaks): Handle EXIT_EXPR.
2761 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2762 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2767 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2770 * pt.c (tsubst_expr): Remove shadowing declaration.
2771 (tsubst_pack_expansion): Add assert.
2773 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2776 * name-lookup.c (qualified_lookup_using_namespace): Look through
2779 2016-04-18 Michael Matz <matz@suse.de>
2781 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2782 (layout_class_type): Ditto.
2783 (build_base_field): Use SET_DECL_ALIGN.
2784 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2785 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2786 (record_unknown_type): Use SET_TYPE_ALIGN.
2787 (cxx_init_decl_processing): Ditto.
2788 (copy_type_enum): Ditto.
2789 (grokfndecl): Use SET_DECL_ALIGN.
2790 (copy_type_enum): Use SET_TYPE_ALIGN.
2791 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2793 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2794 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2795 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2796 * rtti.c (emit_tinfo_decl): Ditto.
2798 2016-04-18 Jason Merrill <jason@redhat.com>
2802 * class.c (type_maybe_constexpr_default_constructor): New.
2803 (type_has_constexpr_default_constructor): Revert.
2805 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2809 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2810 (handle_com_interface_attribute): Delete.
2812 2016-04-15 Jason Merrill <jason@redhat.com>
2815 * constexpr.c (get_fundef_copy): Handle null *slot.
2818 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2819 unknown_type_node, too.
2821 2016-04-15 Jason Merrill <jason@redhat.com>
2822 Nathan Sidwell <nathan@acm.org>
2825 * constexpr.c (constexpr_call_table): Preserve in GC.
2826 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2827 (fundef_copies_table): Preserve in GC. Change to pointer to
2829 (maybe_initialize_fundef_copies_table): Adjust.
2830 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2831 (save_fundef_copy): Adjust for a TREE_LIST.
2832 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2833 (fini_constexpr): New.
2834 * cp-tree.h (fini_constexpr): Declare.
2835 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2837 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2840 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2842 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2843 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2844 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2845 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2846 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2847 cp_parser_statement.
2848 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2849 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2850 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2851 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2852 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2853 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2854 cp_parser_omp_taskloop, cp_parser_omp_construct,
2855 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2856 Add IF_P argument, pass it down where needed.
2857 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2858 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2861 2016-04-14 Jason Merrill <jason@redhat.com>
2864 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2865 * typeck2.c (split_nonconstant_init_1): Use it.
2868 * class.c (type_has_constexpr_default_constructor): Return true
2869 for an implicitly declared constructor.
2872 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2873 (cp_parser_simple_declaration): Pass it.
2874 (strip_declarator_types): New.
2877 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2878 initializer also makes the variable value-dependent.
2881 * constexpr.c (cxx_eval_store_expression): Also copy
2882 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2884 2016-04-14 Martin Sebor <msebor@redhat.com>
2889 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2891 2016-04-14 Jason Merrill <jason@redhat.com>
2893 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2894 parameter ABI change.
2896 2016-04-13 Martin Sebor <msebor@redhat.com>
2901 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2903 * decl.c (check_initializer, cp_finish_decl): Call them.
2904 (reshape_init_r): Reject incompletely braced intializer-lists
2906 * init.c (throw_bad_array_length, build_vla_check)
2907 (build_vla_size_check, build_vla_init_check): Define new functions.
2908 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2910 (store_init_value): Same.
2912 2016-04-13 Jason Merrill <jason@redhat.com>
2914 Warn about empty parameter ABI with -Wabi=9.
2915 * call.c (empty_class_msg, mark_for_abi_warning)
2916 (warn_empty_class_abi): New.
2917 (build_call_a): Use them.
2918 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2919 * error.c (pp_format_to_string): New.
2921 Pass empty class parameters like C.
2922 * call.c (pass_as_empty_struct, empty_class_arg): New.
2923 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2924 (build_call_a): Use empty_class_arg.
2925 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2926 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2928 2016-04-13 Jason Merrill <jason@redhat.com>
2931 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2933 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2936 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2937 avoidance mechanism.
2939 2016-04-13 Jason Merrill <jason@redhat.com>
2942 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2943 from instantiation_dependent_expression_p.
2944 (value_dependent_expression_p): Use it for unevaluated operands.
2945 (instantiation_dependent_r): Don't check value-dependence.
2946 (instantiation_dependent_expression_p): Check
2947 value-dependence of the expression as a whole.
2948 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2949 * semantics.c (finish_decltype_type): Use it.
2951 * constexpr.c (potential_nondependent_constant_expression): New.
2952 (potential_nondependent_static_init_expression): New.
2953 (maybe_constant_value_1, fold_non_dependent_expr)
2954 (maybe_constant_init): Use them.
2955 * pt.c (instantiate_non_dependent_expr_sfinae)
2956 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2958 * cp-tree.h: Declare them.
2960 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2963 * decl.c (pop_labels_1): Removed.
2964 (note_label, sort_labels): New functions.
2965 (pop_labels): During named_labels traversal, just push the slot
2966 pointers into a vector, then qsort it by DECL_UID and only then
2967 call pop_label and chain it into BLOCK_VARS.
2969 2016-04-13 Jason Merrill <jason@redhat.com>
2972 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2973 (cp_gimplify_expr): Not here.
2975 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2978 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2980 * typeck.c (build_x_conditional_expr): Unconditionally remember
2981 that the result is an lvalue or xvalue.
2983 2016-04-12 Jason Merrill <jason@redhat.com>
2985 * class.c (is_really_empty_class): A zero-length array is empty.
2986 An unnamed bit-field doesn't make a class non-empty.
2988 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2991 * parser.c (cp_parser_cache_defarg): When file ends in default
2992 argument simply return error_mark_node.
2994 2016-04-12 Nathan Sidwell <nathan@acm.org>
2997 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
3000 2016-04-11 Jason Merrill <jason@redhat.com>
3002 * mangle.c (decl_is_template_id): The template itself counts as a
3005 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
3009 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
3010 on the result if it's not a CONSTRUCTOR.
3012 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
3015 * constexpr.c (find_constructor): New function.
3016 (unshare_constructor): New function.
3017 (cxx_eval_call_expression): Use unshare_constructor instead of
3019 (find_array_ctor_elt): Likewise.
3020 (cxx_eval_vec_init_1): Likewise.
3021 (cxx_eval_store_expression): Likewise.
3022 (cxx_eval_constant_expression): Likewise.
3024 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
3027 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
3028 potentially generating a future -Wparentheses warning in its
3031 2016-04-06 Jason Merrill <jason@redhat.com>
3033 * class.c (check_abi_tags): Fix function template handling.
3035 2016-04-05 Nathan Sidwell <nathan@acm.org>
3038 * class.c (fixup_may_alias): New.
3039 (fixup_attribute_variants): Call it.
3041 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3044 * constexpr.c (struct fundef_copy): New struct.
3045 (struct fundef_copies_table_t): New struct.
3046 (fundef_copies_table): New static variable.
3047 (maybe_initialize_fundef_copies_table): New static function.
3048 (get_fundef_copy): New static function.
3049 (save_fundef_copy): New static function.
3050 (cxx_eval_call_expression): Use get_fundef_copy, and
3052 (constexpr_call_table): Add "deletable" GTY marker.
3054 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3057 * cp-tree.h (class cache_map): Remove.
3058 * constexpr.c (cv_cache): Change type to
3059 GTY((deletable)) hash_map<tree, tree> *.
3060 (maybe_constant_value): Adjust following the change to cv_cache.
3061 (clear_cv_cache): New static function.
3062 (clear_cv_and_fold_caches): Use it.
3063 * cp-gimplify.c (fold_cache): Change type to
3064 GTY((deletable)) hash_map<tree, tree> *.
3065 (clear_fold_cache): Adjust following the change to fold_cache.
3066 (cp_fold): Likewise.
3068 2016-04-02 Martin Sebor <msebor@redhat.com>
3074 * constexpr.c (diag_array_subscript): New function.
3075 (cxx_eval_array_reference): Detect out of bounds array indices.
3077 2016-04-01 Jason Merrill <jason@redhat.com>
3081 * pt.c (instantiate_decl): A function isn't fully defined if
3082 DECL_INITIAL is error_mark_node.
3083 * constexpr.c (cxx_eval_call_expression): Likewise.
3085 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3086 Marek Polacek <polacek@redhat.com>
3089 * init.c (warn_placement_new_too_small): Test whether
3090 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
3092 2016-04-01 Nathan Sidwell <nathan@acm.org>
3095 * decl.c (check_redeclaration_exception_specification): Check
3096 regardless of -fno-exceptions.
3097 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3098 flag_exceptions too.
3100 2016-03-31 Nathan Sidwell <nathan@acm.org>
3102 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3103 (finish_destructor_body): Don't emit operator delete here.
3105 2016-03-31 Nathan Sidwell <nathan@acm.org>
3108 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3109 elements in field order.
3111 2016-03-31 Marek Polacek <polacek@redhat.com>
3114 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3116 2016-03-31 Richard Biener <rguenther@suse.de>
3119 * typeck.c (cp_build_binary_op): Fix operand order of vector
3120 conditional in truth op handling.
3122 2016-03-29 Jason Merrill <jason@redhat.com>
3125 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3126 in constexpr functions.
3128 2016-03-28 Jason Merrill <jason@redhat.com>
3133 * decl.c, pt.c, constexpr.c: Revert last patch.
3135 2016-03-25 Jason Merrill <jason@redhat.com>
3136 Martin Liška <mliska@suse.cz>
3141 * decl.c (cp_fname_init): Decay the initializer to pointer.
3142 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3143 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3144 Don't call cp_finish_decl.
3145 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3146 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3147 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3148 Handle DECL_VALUE_EXPR.
3150 2016-03-24 Jason Merrill <jason@redhat.com>
3153 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3156 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3159 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3162 * tree.c (build_cplus_array_type): Determine type-dependentess
3163 with uses_template_parms instead of with dependent_type_p.
3165 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3168 * typeck.c (process_init_constructor_union): If the initializer
3169 is empty, use the union's NSDMI if it has one.
3171 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3174 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3175 NSDMI that's part of an aggregrate initialization.
3177 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3180 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3181 for 1..max even for multi-dimensional arrays. Call unshare_expr
3185 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3186 on TREE_OVERFLOW constants.
3189 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3190 for OMP_TASKLOOP here.
3191 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3192 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3194 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3195 Jason Merrill <jason@redhat.com>
3196 Jakub Jelinek <jakub@redhat.com>
3199 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3200 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3201 (finish_function): Don't set or test them.
3202 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3204 2016-03-23 Jason Merrill <jason@redhat.com>
3207 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3209 2016-03-23 Marek Polacek <polacek@redhat.com>
3212 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3214 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3216 * call.c (build_conditional_expr_1): Always use original
3217 condition type for vector type checks and build.
3219 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3222 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3224 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3227 * constexpr.c (non_const_var_error): Check
3228 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3230 2016-03-21 Richard Henderson <rth@redhat.com>
3233 * decl.c (notice_forced_label_r): New.
3234 (cp_finish_decl): Use it.
3236 2016-03-21 Jason Merrill <jason@redhat.com>
3239 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3241 2016-03-18 Jason Merrill <jason@redhat.com>
3244 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3247 * class.c (vptr_via_virtual_p): New.
3248 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3249 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3250 a vptr from any virtual base in a not-in-charge 'structor.
3252 * decl.c (build_clobber_this): Factor out of
3253 start_preparsed_function and begin_destructor_body. Handle
3254 virtual bases better.
3256 * class.c (build_if_in_charge): Split out from build_base_path.
3257 * init.c (expand_virtual_init, expand_default_init): Use it.
3258 * call.c (build_special_member_call): Use it.
3260 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3263 * init.c (build_new_1): Complain and return error_mark_node
3264 if alloc_fn is not _Jv_AllocObject function returning pointer.
3266 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3269 * search.c (adjust_result_of_qualified_name_lookup): Don't
3270 update the BASELINK_BINFO of DECL if the second call
3271 to lookup_base fails.
3273 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3276 * parser.c (cp_parser_lambda_expression): Move call to
3277 pop_deferring_access_checks ahead of the call to
3278 cp_parser_end_tentative_firewall.
3280 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3283 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3284 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3285 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3287 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3288 if magic_varargs_p == 1, call decay_conversion
3289 instead of mark_type_use. Don't store error_mark_node arguments to
3290 argarray, instead return error_mark_node.
3293 * decl.c (begin_destructor_body): Don't insert clobber if
3294 is_empty_class (current_class_type).
3296 2016-03-17 Marek Polacek <polacek@redhat.com>
3299 * typeck.c (warn_for_null_address): New function.
3300 (cp_build_binary_op): Call it.
3302 2016-03-16 Jason Merrill <jason@redhat.com>
3305 * decl.c (start_preparsed_function): Don't clobber an empty base.
3307 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3310 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3311 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3314 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3315 set in_base_initializer.
3317 2016-03-15 Marek Polacek <polacek@redhat.com>
3320 * tree.c (strip_typedefs): Call strip_typedefs again on the
3321 DECL_ORIGINAL_TYPE result.
3323 2016-03-15 Jason Merrill <jason@redhat.com>
3326 * pt.c (instantiate_decl): Fix call to variable_template_p.
3329 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3331 2016-03-14 Casey Carter <casey@carter.net>
3332 Jason Merrill <jason@redhat.com>
3334 P0184R0: Generalizing the Range-Based For Loop
3335 * parser.c (cp_convert_range_for): Set the type of __end separately.
3336 (cp_parser_perform_range_for_lookup): Allow different begin/end
3337 types if they are comparable.
3339 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3342 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3343 processing_template_decl and EXPR is a SCOPE_REF.
3345 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3346 Jakub Jelinek <jakub@redhat.com>
3349 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3350 return value from cxx_eval_constant_expression from earlier
3351 elements if it is valid constant initializer requiring no
3354 2016-03-10 Marek Polacek <polacek@redhat.com>
3357 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3359 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3361 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3362 when calling c_finish_omp_clauses.
3364 2016-03-08 Jason Merrill <jason@redhat.com>
3366 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3367 diagnostic for use of "concept".
3368 (cp_parser_requires_clause_opt): And "requires".
3369 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3370 (cp_parser_explicit_template_declaration): Adjust.
3371 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3373 P0036R0: Unary Folds and Empty Parameter Packs
3374 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3376 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3379 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3380 even after the last iteration of the loop.
3382 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3384 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3387 * pt.c (get_template_info): Handle PARM_DECL.
3388 (template_class_depth): Check DECL_P instead of
3389 VAR_OR_FUNCTION_DECL_P.
3391 2016-03-05 Jason Merrill <jason@redhat.com>
3394 * constexpr.c (cxx_eval_store_expression): Replace
3395 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3397 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3400 * pt.c (template_class_depth): Given a lambda type, iterate
3401 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3402 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3405 2016-03-04 Jason Merrill <jason@redhat.com>
3408 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3409 * init.c (build_vec_delete_1): Set it.
3410 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3412 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3414 * decl.c (start_preparsed_function): Don't emit start clobber at the
3415 start of constructor clones.
3418 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3419 * decl.c (start_preparsed_function): Call
3420 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3421 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3422 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3424 2016-03-04 Jason Merrill <jason@redhat.com>
3427 * constexpr.c (cxx_eval_component_reference): Further tweak.
3429 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3430 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3431 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3432 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3435 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3438 2016-03-03 Jason Merrill <jason@redhat.com>
3440 * method.c (synthesized_method_walk): operator= can also be constexpr.
3442 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3443 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3446 * pt.c (copy_template_args): New.
3447 (tsubst_pack_expansion): Use it.
3449 * call.c (build_aggr_conv): Use get_nsdmi.
3452 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3455 * constexpr.c (cxx_eval_component_reference): Just return an empty
3456 CONSTRUCTOR for an empty class.
3458 2016-03-01 Jason Merrill <jason@redhat.com>
3461 * parser.c (cp_parser_requires_clause): Call
3462 check_for_bare_parameter_packs.
3465 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3469 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3470 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3471 [TARGET_EXPR]: Unshare init.
3473 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3477 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3480 2016-02-28 Jason Merrill <jason@redhat.com>
3483 * constexpr.c (cxx_eval_store_expression): Unshare init.
3485 2016-02-26 Jason Merrill <jason@redhat.com>
3488 * pt.c (make_argument_pack): New.
3489 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3490 (tsubst_copy_and_build): Likewise.
3492 2016-02-25 Jason Merrill <jason@redhat.com>
3495 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3496 * tree.c (build_aggr_init_expr): Set it.
3497 * semantics.c (simplify_aggr_init_expr): Check it.
3498 * cp-gimplify.c (cp_genericize_r): Don't walk into
3499 a call/aggr_init from a thunk.
3502 * method.c (forward_parm): Handle parameter packs.
3503 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3506 * constexpr.c (cxx_eval_component_reference): Don't complain about
3507 unevaluated empty classes.
3510 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3512 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3515 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3516 (maybe_undo_parenthesized_ref): Declare.
3517 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3519 (finish_call_expr): Use it.
3520 * typeck.c (check_return_expr): Use it.
3521 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3522 REF_PARENTHESIZED_P flag.
3524 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3527 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3529 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3531 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3532 unless they are folded into INTEGER_CST, error_mark_node or some
3533 comparison with NULL, avoid folding them and use either the original
3534 comparison or non-folded comparison of folded arguments.
3535 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3536 comparison, don't fold the comparison right away.
3538 2016-02-24 Jason Merrill <jason@redhat.com>
3541 * friend.c (make_friend_class): Likewise.
3542 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3544 2016-02-24 Jason Merrill <jason@redhat.com>
3547 * pt.c (instantiate_class_template_1): Set
3548 processing_template_decl before substituting friend_type.
3550 016-02-24 Martin Sebor <msebor@redhat.com>
3553 * tree.c (build_ctor_subob_ref): Compare types' main variants
3554 instead of the types as they are.
3556 2016-02-24 Jason Merrill <jason@redhat.com>
3558 * decl.c (start_preparsed_function): Condition ctor clobber on
3559 flag_lifetime_dse > 1.
3561 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3563 2016-02-19 Jason Merrill <jason@redhat.com>
3566 * call.c (remaining_arguments): No longer static.
3567 * cp-tree.h: Declare it.
3568 * pt.c (more_specialized_fn): Use it.
3570 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3571 Bernd Edlinger <bernd.edlinger@hotmail.de>
3573 * Make-lang.in: Invoke gperf with -L C++.
3574 * cfns.gperf: Remove prototypes for hash and libc_name_p
3576 * cfns.h: Regenerated.
3577 * except.c (nothrow_libfn_p): Adjust.
3579 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3582 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3583 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3585 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3588 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3590 * semantics.c (finish_call_expr): Don't assume a constructor
3591 call is dependent if only the "this" pointer is dependent. When
3592 building a constructor call, always use a dummy object.
3594 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3597 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3599 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3600 operators if folding preserved the binop, just with different
3604 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3605 attr_spec is always single element chain, chain all the attributes
3606 properly together in the right order.
3608 2016-02-18 Jason Merrill <jason@redhat.com>
3610 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3612 (mangle_decl): Call maybe_check_abi_tags for function scope.
3613 (mangle_guard_variable): Call maybe_check_abi_tags here.
3614 (write_guarded_var_name): Not here.
3616 2016-02-17 Jason Merrill <jason@redhat.com>
3619 * constexpr.c (build_constexpr_constructor_member_initializers):
3620 Handle an additional STATEMENT_LIST.
3623 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3626 * decl2.c (reset_type_linkage_2): Look through member templates.
3628 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3631 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3633 2016-02-17 Jason Merrill <jason@redhat.com>
3636 * method.c (forward_parm): Split out from...
3637 (add_one_base_init): ...here.
3638 * lambda.c (maybe_add_lambda_conv_op): Use it.
3640 2016-02-16 Jason Merrill <jason@redhat.com>
3644 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3645 tree.c, typeck2.c: Revert earlier changes.
3646 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3647 non-type templates after -> or .
3649 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3652 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3654 2016-02-16 Jason Merrill <jason@redhat.com>
3657 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3658 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3659 * name-lookup.h: Adjust.
3661 2016-02-16 James Norris <jnorris@codesourcery.com>
3663 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3664 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3666 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3669 * init.c (expand_default_init): Only call reshape_init
3670 in the direct-initialization from an initializer list case.
3672 2016-02-15 Jason Merrill <jason@redhat.com>
3675 * semantics.c (finish_call_expr): Implicit 'this' does not make
3677 * search.c (any_dependent_bases_p): Split out...
3678 * name-lookup.c (do_class_using_decl): ...from here.
3679 * call.c (build_new_method_call_1): Don't complain about missing object
3680 if there are dependent bases. Tweak error.
3681 * tree.c (non_static_member_function_p): Remove.
3682 * pt.c (type_dependent_expression_p): A member template of a
3683 dependent type is dependent.
3684 * cp-tree.h: Adjust.
3687 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3689 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3692 * pt.c (lookup_and_finish_template_variable): New function,
3694 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3695 (tsubst_qualified_id): Consider that EXPR might be a variable
3697 * typeck.c (check_template_keyword): Don't emit an error
3698 if DECL is a variable template.
3700 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3702 * error.c: Spelling fixes - behaviour -> behavior and
3703 neighbour -> neighbor.
3705 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3707 * init.c (build_delete): Likewise.
3709 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3712 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3713 arguments for -Waddress warning. Fix up formatting.
3715 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3718 * pt.c (lookup_template_class_1): Check tsubst return value for
3721 2016-02-10 Jason Merrill <jason@redhat.com>
3724 * pt.c (resolve_nondeduced_context): Add complain parm.
3725 (do_auto_deduction): Pass it.
3726 * cvt.c (convert_to_void): Likewise.
3727 * decl.c (cp_finish_decl): Likewise.
3728 * init.c (build_new): Likewise.
3729 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3730 * semantics.c (finish_decltype_type): Likewise.
3731 * typeck.c (decay_conversion): Likewise.
3732 * cp-tree.h: Adjust declaration.
3733 * call.c (standard_conversion): Add complain parm, pass it along.
3734 (implicit_conversion): Pass it.
3737 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3738 (lookup_name_real_1): Likewise.
3739 (remove_hidden_names): Handle non-functions too.
3742 * parser.c (cp_parser_lookup_name): When looking for a template
3743 after . or ->, only consider class templates.
3744 (cp_parser_postfix_dot_deref_expression): Handle the current
3745 instantiation. Remember a dependent object expression.
3746 * typeck2.c (build_x_arrow): Handle the current instantiation.
3748 * ptree.c (debug_tree): Implement for cp_expr.
3750 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3753 * parser.c (cp_parser_simple_type_specifier): Make the check
3754 for disambiguating between an 'auto' placeholder and an implicit
3755 template parameter more robust.
3757 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3761 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3762 setting its TREE_USED flag.
3764 2016-02-08 Jason Merrill <jason@redhat.com>
3767 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3770 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3773 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3774 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3776 2016-02-08 Marek Polacek <polacek@redhat.com>
3779 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3780 Call clear_fold_cache.
3781 * cp-tree.h: Adjust declaration.
3782 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3783 rather than clear_cv_cache and clear_fold_cache.
3784 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3786 2016-02-08 Jason Merrill <jason@redhat.com>
3788 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3789 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3790 (ocp_convert): Use *_maybe_fold.
3791 (cp_convert_to_pointer): Add dofold parameter.
3792 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3794 2016-02-05 Martin Sebor <msebor@redhat.com>
3797 * init.c (find_field_init): New function.
3798 (warn_placement_new_too_small): Call it. Handle one-element arrays
3799 at ends of structures special.
3801 2016-02-05 Jason Merrill <jason@redhat.com>
3804 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3805 make sure we've seen_error().
3807 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3810 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3811 if lookup_fnfields returns NULL_TREE and the name being looked
3812 up has the form A::A.
3814 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3816 * constexpr.c (cxx_eval_binary_expression): Fold equality
3817 comparisons involving PTRMEM_CSTs.
3819 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3821 * class.c (find_flexarrays): Don't declare dom variable.
3822 (diagnose_flexarray): Likewise.
3824 2016-02-02 Martain Sebor <msebor@redhat.com>
3831 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3832 of a flexible array member for equality to null.
3833 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3834 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3835 (check_flexarrays): Same.
3836 * decl.c (compute_array_index_type): Avoid special case for flexible
3838 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3840 * error.c (dump_type_suffix): Revert changes introduced in r231665
3841 and rendered unnecessary by the changes above.
3842 * pt.c (tsubst): Same.
3843 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3844 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3845 (process_init_constructor_array): Same.
3846 (process_init_constructor_record): Same.
3848 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3851 * pt.c (try_one_overload): Handle comparing argument packs so
3852 that there is no conflict if we deduced more arguments of an
3853 argument pack than were explicitly specified.
3855 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3856 Jason Merrill <jason@redhat.com>
3859 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3860 function type if nothing is changing.
3862 2016-01-31 Jason Merrill <jason@redhat.com>
3865 * pt.c (partial_specialization_p, impartial_args): New.
3866 (instantiate_decl): Call impartial_args.
3868 * mangle.c (maybe_check_abi_tags): New.
3869 (write_guarded_var_name): Call it.
3870 (mangle_ref_init_variable): Call check_abi_tags.
3872 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3873 between template and instantiation.
3875 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3878 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3879 function declarations.
3881 2016-01-29 Marek Polacek <polacek@redhat.com>
3885 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3886 out of bound" error earlier.
3887 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3890 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3892 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3893 structure, update free_binding_level before the structure's
3894 level_chain field gets cleared, not after.
3896 2016-01-28 Jason Merrill <jason@redhat.com>
3899 * search.c (dfs_walk_once, dfs_walk_once_r)
3900 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3901 hash_set instead of BINFO_MARKED.
3902 (dfs_unmark_r): Remove.
3904 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3907 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3908 (cp_lexer_debugging_p): Use it.
3909 (cp_lexer_start_debugging): Likewise.
3910 (cp_lexer_stop_debugging): Likewise.
3912 2016-01-27 Marek Polacek <polacek@redhat.com>
3915 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3916 needed. Add -Wsign-compare warning.
3918 2016-01-27 Ryan Burn <contact@rnburn.com>
3921 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3922 superfluous post_p argument in call to
3923 cilk_gimplify_call_params_in_spawned_fn.
3925 2016-01-27 Marek Polacek <polacek@redhat.com>
3928 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3929 wrapped in NOP_EXPRs.
3931 2016-01-27 Martin Sebor <msebor@redhat.com>
3934 * mangle.c (mangle_decl): Reference the correct (saved) version
3935 of the ABI in -Wabi diagnostics.
3937 2016-01-27 Marek Polacek <polacek@redhat.com>
3940 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3941 elements of the array.
3943 2016-01-26 Jason Merrill <jason@redhat.com>
3946 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3947 (cxx_eval_call_expression): Don't look through clones.
3948 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3949 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3950 maybe-in-charge *tor.
3952 2016-01-26 Jason Merrill <jason@redhat.com>
3955 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3956 and TREE_SIDE_EFFECTS.
3957 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3958 verify_constructor_flags.
3960 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3963 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3964 return error_mark_node instead of building trees with error_mark_node
3967 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3970 * error.c (print_instantiation_partial_context_line): Add missing
3971 newlines from output for the t == NULL case.
3972 (print_instantiation_partial_context): Remove call to pp_newline.
3974 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3977 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3982 * decl.c (grokdeclarator): Don't decay array parameter type to
3983 a pointer type if it's dependent.
3984 (grokparms): Invoke strip_top_quals instead of directly invoking
3985 cp_build_qualified_type.
3986 * pt.c (decay_dependent_array_parm_type): New static function.
3987 (type_unification_real): Call decay_dependent_array_parm_type
3988 to decay a dependent array parameter type to its corresponding
3989 pointer type before unification.
3990 (more_specialized_fn): Likewise.
3991 (get_bindings): Likewise.
3992 * tree.c (cp_build_qualified_type): Trivial typofix in
3995 2016-01-23 Martin Sebor <msebor@redhat.com>
3999 * decl2.c (is_late_template_attribute): Handle dependent argument
4000 to attribute align and attribute vector_size.
4002 2016-01-21 Jason Merrill <jason@redhat.com>
4005 * lambda.c (lambda_capture_field_type): Handle 'this' specially
4006 for init-capture, too.
4009 * decl.c (type_is_deprecated): Don't look into a typedef.
4013 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
4016 * decl.c (start_enum): Add attributes parameter.
4017 * parser.c (cp_parser_enum_specifier): Pass it.
4018 * pt.c (lookup_template_class_1): Pass it.
4019 * cp-tree.h: Adjust.
4021 2016-01-19 Jason Merrill <jason@redhat.com>
4024 * pt.c (convert_template_argument): Handle VAR_DECL properly.
4026 2016-01-19 Marek Polacek <polacek@redhat.com>
4029 * constexpr.c (clear_cv_cache): New.
4030 * cp-gimplify.c (clear_fold_cache): New.
4031 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
4032 * decl.c (finish_enum_value_list): Call them.
4035 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
4037 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
4042 * decl.c (grokdeclarator): Don't decay array parameter type to
4043 a pointer type if it's dependent.
4044 (grokparms): Invoke strip_top_quals instead of directly invoking
4045 cp_build_qualified_type.
4046 * pt.c (decay_dependent_array_parm_type): New static function.
4047 (type_unification_real): Call decay_dependent_array_parm_type
4048 to decay a dependent array parameter type to its corresponding
4049 pointer type before unification.
4050 (more_specialized_fn): Likewise.
4051 (get_bindings): Likewise.
4052 * tree.c (cp_build_qualified_type): Trivial typofix in
4055 2016-01-18 Jason Merrill <jason@redhat.com>
4057 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
4059 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
4062 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
4063 (contains_label_1, contains_label_p): Remove.
4065 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4068 * pt.c (type_dependent_expression_p): For a function template
4069 specialization, a type is dependent iff any of its template
4072 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4074 * cp-array-notation.c (cp_expand_cond_array_notations): Return
4075 error_mark_node only if find_rank failed, not if it was
4078 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4081 * tree.c (build_min_non_dep_call_vec): Don't retain the
4082 KOENIG_LOOKUP_P flag of the non-dependent expression that's
4084 (build_min_non_dep_op_overload): Instead, do it here.
4086 2016-01-15 Jakub Jelinek <jakub@redhat.com>
4089 * parser.h (cp_token): Remove pragma_kind field. Add comment
4090 with number of unused bits.
4091 * parser.c (eof_token): Remove pragma_kind field initializer.
4092 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
4093 field, don't clear CPP_PRAGMA u.value.
4094 (cp_parser_pragma_kind): New function.
4095 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4096 cp_parser_omp_construct, cp_parser_initial_pragma,
4097 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4100 2016-01-15 Jason Merrill <jason@redhat.com>
4103 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4105 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4109 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4110 array/function-to-pointer conversion. Call
4111 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4112 * call.c (convert_like_real): Print call context if
4113 decay_conversion errors.
4115 2016-01-14 Tom de Vries <tom@codesourcery.com>
4117 PR tree-optimization/68773
4118 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4121 2016-01-14 Jason Merrill <jason@redhat.com>
4124 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4126 2016-01-12 Marek Polacek <polacek@redhat.com>
4129 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4130 error_at and adjust the return value.
4132 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4136 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4137 GS_ERROR whenever seen_error (), only if *expr_p contains
4138 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4142 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4144 2016-01-11 Jason Merrill <jason@redhat.com>
4147 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4148 (process_subob_fn): Likewise. Don't consider triviality if true.
4149 (synthesize_method_walk): Pass it.
4151 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4154 * parser.c (cp_parser_postfix_expression): Initialize
4155 close_paren_loc to UNKNOWN_LOCATION; only use it if
4156 it has been written to by
4157 cp_parser_parenthesized_expression_list.
4158 (cp_parser_parenthesized_expression_list): Document the behavior
4159 with respect to the CLOSE_PAREN_LOC param.
4161 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4164 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4165 folded operands have side-effects, but folding changed any of them,
4166 build a new tree with the folded operands instead of returning the
4169 2016-01-09 Marek Polacek <polacek@redhat.com>
4172 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4174 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4177 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4179 2016-01-08 Jason Merrill <jason@redhat.com>
4182 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4185 2016-01-08 Marek Polacek <polacek@redhat.com>
4188 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4190 2016-01-08 Jason Merrill <jason@redhat.com>
4192 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4197 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4198 TREE_ADDRESSABLE type.
4202 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4204 2016-01-05 Nathan Sidwell <nathan@acm.org>
4207 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4210 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4212 Update copyright years.
4214 Copyright (C) 2016 Free Software Foundation, Inc.
4216 Copying and distribution of this file, with or without modification,
4217 are permitted in any medium without royalty provided the copyright
4218 notice and this notice are preserved.