1 2016-12-01 Jason Merrill <jason@redhat.com>
3 * call.c (add_function_candidate): Also exclude inherited ctors
4 that take a type reference-related to the derived class.
6 * call.c (add_function_candidate): Exclude inherited copy/move
9 2016-11-29 David Malcolm <dmalcolm@redhat.com>
12 * name-lookup.c (lookup_name_fuzzy): Filter out reserved words
13 that were filtered out by init_reswords.
15 2016-11-28 Jakub Jelinek <jakub@redhat.com>
16 Jason Merrill <jason@redhat.com>
19 * decl.c (finish_enum_value_list): Call fixup_type_variants on
20 current_class_type after
21 insert_late_enum_def_into_classtype_sorted_fields.
23 2016-11-28 Jakub Jelinek <jakub@redhat.com>
26 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
27 whats_returned through fold_for_warn.
29 2016-11-27 Jason Merrill <jason@redhat.com>
32 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
34 2016-11-24 Martin Liska <mliska@suse.cz>
37 * parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
39 2016-11-23 Jakub Jelinek <jakub@redhat.com>
42 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
43 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
44 with the object on lhs and maybe_constant_value returned expr on rhs.
47 * pt.c (tsubst_copy): Return error_mark_node when mark_used
48 fails, even when complain & tf_error.
51 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
52 false as handle_invisiref_parm_p to cp_genericize_tree.
53 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
54 (cp_genericize_r): Don't wrap is_invisiref_parm into references
55 if !wtd->handle_invisiref_parm_p.
56 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
57 set wtd.handle_invisiref_parm_p to it.
58 (cp_genericize): Pass true as handle_invisiref_parm_p to
59 cp_genericize_tree. Formatting fix.
61 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
64 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
65 Don't overload builtin functions with C++ functions.
66 Handle const_tm_ptr_type_node like file_ptr_node.
67 Copy the TREE_NOTHROW flag unmodified to the old decl.
69 2016-11-18 Jason Merrill <jason@redhat.com>
71 PR objc++/78418 - ICE in string tests on darwin
72 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
74 2016-11-18 Jakub Jelinek <jakub@redhat.com>
77 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
80 2016-11-18 Jason Merrill <jason@redhat.com>
82 PR c++/67631 - list-init and explicit conversions
83 * semantics.c (finish_compound_literal): Call digest_init_flags.
84 * typeck2.c (digest_init_flags): Add complain parm.
85 (store_init_value): Pass it.
87 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
88 Alan Hayward <alan.hayward@arm.com>
89 David Sherwood <david.sherwood@arm.com>
91 * class.c (finish_struct_bits): Use SET_DECL_MODE.
92 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
93 * decl.c (make_label_decl): Likewise.
94 * pt.c (tsubst_decl): Likewise.
96 2016-11-17 Jason Merrill <jason@redhat.com>
98 PR c++/78193 - inherited ctor regressions on sparc32.
99 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
100 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
101 (convert_like_real) [ck_rvalue]: Also pass non-addressable
102 types along directly.
104 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
107 * parser.c (cp_parser_non_integral_constant_expression): Issue a
108 pedwarn instead of an error for case NIC_FLOAT.
110 2016-11-17 Jason Merrill <jason@redhat.com>
112 PR c++/78124 - list-initialization and inherited ctor
113 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
115 PR c++/78369 - {} as default argument
116 * call.c (build_special_member_call): Handle CONSTRUCTOR.
119 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
121 2016-11-16 Jason Merrill <jason@redhat.com>
124 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
125 * typeck2.c (store_init_value): Likewise.
127 * decl.c (store_decomp_type, lookup_decomp_type): New.
128 (cp_finish_decomp): Call store_decomp_type.
129 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
130 * cp-tree.h: Declare lookup_decomp_type.
132 2016-11-15 Jakub Jelinek <jakub@redhat.com>
134 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
135 set DECL_ASSEMBLER_NAME.
136 * parser.c (cp_parser_decomposition_declaration): Likewise
137 if returning error_mark_node.
138 * mangle.c (mangle_decomp): New function.
139 * cp-tree.h (mangle_decomp): New declaration.
141 2016-11-15 Jason Merrill <jason@redhat.com>
144 * semantics.c (finish_decltype_type): Strip references for a tuple
146 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
148 * decl2.c (decl_maybe_constant_var_p): References qualify.
149 * constexpr.c (non_const_var_error): Handle references.
150 * init.c (constant_value_1): Always check decl_constant_var_p.
151 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
152 * error.c (dump_decl_name): Split out from dump_decl.
154 2016-11-14 Jason Merrill <jason@redhat.com>
156 * tree.c (bitfield_p): New.
157 * cp-tree.h: Declare it.
158 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
159 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
160 * decl.c (cp_finish_decomp): Look through reference. Always
161 SET_DECL_DECOMPOSITION_P.
162 * semantics.c (finish_decltype_type): Adjust decomposition handling.
164 2016-11-13 Jakub Jelinek <jakub@redhat.com>
165 Jason Merrill <jason@redhat.com>
167 Implement P0217R3 - C++17 structured bindings
168 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
169 (DECL_DECOMPOSITION_P): New
170 (enum auto_deduction_context): Add adc_decomp_type.
171 (enum cp_declarator_kind): Add cdk_decomp.
172 * constexpr.c (cxx_eval_constant_expression): Look through
174 (potential_constant_expression_1): Likewise.
175 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
176 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
177 (cp_finish_decl): Pass adc_decomp_type for decomposition.
178 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
179 (get_tuple_decomp_init, cp_finish_decomp): New.
180 (grokdeclarator): Handle decomposition.
181 * init.c (build_aggr_init): Handle decomposition array.
182 (build_vec_init): Handle initialization from { array }.
183 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
185 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
186 (function_declarator_p, strip_declarator_types)
187 (cp_parser_check_declarator_template_parameters): Likewise.
188 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
189 (cp_parser_simple_declaration): Parse decomposition.
190 (cp_parser_decomposition_declaration): New.
191 * pt.c (tsubst_decomp_names): New.
192 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
193 (do_auto_deduction): Handle adc_decomp_type.
194 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
195 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
196 * tree.c (lvalue_kind): Likewise.
197 (cp_build_reference_type): Handle reference collapsing.
199 2016-11-13 Jason Merrill <jason@redhat.com>
201 * call.c (build_new_method_call_1): Include template arguments in
203 (print_error_for_call_failure): Likewise.
204 (build_new_function_call): Pass them in.
205 * name-lookup.c (supplement_binding_1): Don't complain about a
206 conflict with an erroneous declaration.
207 * error.c (dump_decl): Fix printing of alias declaration.
208 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
209 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
210 * semantics.c (perform_koenig_lookup): Don't wrap an error in
213 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
216 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
218 2016-11-12 Jason Merrill <jason@redhat.com>
221 * typeck.c (convert_arguments): Handle default arg followed by none.
223 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
224 IMAGPART_EXPR can be lvalues.
228 * pt.c (check_specialization_namespace): Allow any enclosing
230 (check_unqualified_spec_or_inst): New.
231 (check_explicit_specialization): Call it.
232 * parser.c (cp_parser_elaborated_type_specifier)
233 (cp_parser_class_head): Call it.
235 2016-11-10 Jason Merrill <jason@redhat.com>
238 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
239 (instantiate_decl): It's OK to defer a constexpr function.
240 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
242 * decl2.c (decl_defined_p): Use it. No longer static.
243 * decl.c (redeclaration_error_message): Use decl_defined_p.
244 * constexpr.c (cxx_eval_call_expression): Set input_location around
245 call to instantiate_decl.
247 2016-11-10 Jakub Jelinek <jakub@redhat.com>
249 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
250 public or external symbols.
252 2016-11-09 Jakub Jelinek <jakub@redhat.com>
255 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
257 2016-11-09 Jason Merrill <jason@redhat.com>
259 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
260 for template template parameter.
261 (cp_parser_type_id_1): Improve diagnostic.
262 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
263 * pt.c (splice_late_return_type): Not here.
264 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
265 (do_class_deduction): Handle non-class templates.
267 Implement P0127R2, Declaring non-type parameters with auto.
268 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
269 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
271 * pt.c (do_auto_deduction): Add outer_targs parameter.
272 (convert_template_argument): Call do_auto_deduction. If adc_unify,
273 don't give up on dependent init.
274 (unify): Likewise. In C++17, walk into the type of a
276 (for_each_template_parm): Add any_fn parameter.
277 (struct pair_fn_data): Likewise.
278 (for_each_template_parm_r): Call it for any tree. In C++17, walk
279 into the type of a TEMPLATE_PARM_INDEX.
280 (zero_r, array_deduction_r, try_array_deduction): New.
281 (type_unification_real): Call try_array_deduction.
282 (get_partial_spec_bindings): Likewise.
284 2016-11-07 Jason Merrill <jason@redhat.com>
286 Implement P0012R1, Make exception specifications part of the type
288 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
289 (flag_noexcept_type, ce_type): New.
290 * call.c (build_conv): Add ck_fnptr.
291 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
292 (convert_like_real): Likewise.
293 (standard_conversion): Likewise. Allow function pointer
294 conversions for pointers to member functions.
295 (reference_compatible_p): Allow function pointer conversions.
296 (direct_reference_binding): Likewise.
297 (reference_binding): Reference-compatible is no longer a subset of
299 (is_subseq): Also strip ck_lvalue after next_conversion.
300 * class.c (instantiate_type): Check fnptr_conv_p.
301 (resolve_address_of_overloaded_function): Likewise.
302 * cvt.c (can_convert_tx_safety): Now static.
303 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
304 * decl.c (flag_noexcept_type): Define.
305 (cxx_init_decl_processing): Set it.
306 (bad_specifiers): Check it.
307 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
308 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
310 * mangle.c (struct globals): Add need_cxx1z_warning.
311 (mangle_decl): Check it.
312 (write_exception_spec): New.
313 (write_function_type): Call it.
314 (canonicalize_for_substitution): Handle exception spec.
315 (write_type): Likewise.
316 (write_encoding): Set processing_template_decl across mangling of
317 partially-instantiated type.
318 * pt.c (determine_specialization): Pass tf_fndecl_type.
319 (tsubst_decl, fn_type_unification): Likewise.
320 (tsubst): Strip tf_fndecl_type, pass it to
321 tsubst_exception_specification.
322 (convert_nontype_argument_function): Handle function pointer
324 (convert_nontype_argument): Likewise.
325 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
326 * rtti.c (ptr_initializer): Encode noexcept.
327 * tree.c (canonical_eh_spec): New.
328 (build_exception_variant): Use it.
329 * typeck.c (composite_pointer_type): Handle fnptr conversion.
330 (comp_except_specs): Compare canonical EH specs.
331 (structural_comptypes): Call it.
333 * call.c (standard_conversion): Reorganize pointer conversions.
334 * pt.c (convert_nontype_argument_function): Convert to ref here.
335 (convert_nontype_argument): Not here.
336 (convert_template_argument): Add original type to error message.
337 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
338 (unify): Compare function-qualifiers.
339 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
340 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
342 * pt.c (push_tinst_level_loc): Add template instantiations to the
343 announce_function stream.
345 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
348 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
349 to suppress unwanted warnings.
351 2016-11-03 Jason Merrill <jason@redhat.com>
354 * call.c (convert_default_arg): Look through inheriting ctors.
356 2016-11-03 Jakub Jelinek <jakub@redhat.com>
357 Alexandre Oliva <aoliva@redhat.com>
358 Jason Merrill <jason@redhat.com>
362 * tree.c (cp_check_qualified_type): Use check_base_type and
363 TYPE_QUALS comparison instead of check_qualified_type.
364 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
365 * cp-objcp-common.c (cp_get_debug_type): New function.
366 (cp_decl_dwarf_attribute): Don't handle types here.
367 (cp_type_dwarf_attribute): New function.
368 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
370 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
373 2016-11-03 Jason Merrill <jason@redhat.com>
375 * tree.c (cp_check_qualified_type): Call check_base_type instead
376 of check_qualified_type.
377 (cxx_type_hash_eq): Check ref-qualifiers.
378 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
380 2016-11-01 Jason Merrill <jason@redhat.com>
382 Implement P0136R1, Rewording inheriting constructors.
383 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
384 (inherited_ctor_rejection): New.
385 (add_function_candidate): Reject inherited ctors for copying.
386 (enforce_access): Use strip_inheriting_ctors.
387 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
388 (convert_like_real): Avoid copying inheriting ctor parameters.
389 (build_over_call): Likewise. A base ctor inheriting from vbase
390 has no parms. Sorry about varargs.
391 (joust): A local constructor beats inherited with the same convs.
392 * class.c (add_method): Handle hiding inheriting ctors.
393 (one_inherited_ctor): Handle new semantics.
394 (add_implicitly_declared_members): Pass using_decl down.
395 (build_clone): A base ctor inheriting from vbase has no parms.
396 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
397 (SET_DECL_INHERITED_CTOR): Likewise.
398 (DECL_INHERITED_CTOR_BASE): Adjust.
399 * constexpr.c: Adjust.
400 * error.c (dump_function_decl): Decorate inheriting ctors.
401 * init.c (emit_mem_initializers): Suppress access control in
403 * mangle.c (write_special_name_constructor): Handle new inheriting
405 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
406 (ctor_omit_inherited_parms, binfo_inherited_from): New.
407 (synthesized_method_walk): Use binfo_inherited_from. Suppress
408 access control in inheriting ctor.
409 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
410 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
411 (add_one_base_init, do_build_copy_constructor): Adjust.
412 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
413 (implicitly_declare_fn): Adjust.
414 (get_inherited_ctor): Remove.
415 * name-lookup.c (do_class_using_decl): Check for indirect ctor
417 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
418 (maybe_clone_body): Handle omitted parms in base clone.
419 (maybe_thunk_body): Don't thunk if base clone omits parms.
420 * pt.c (tsubst_decl): Adjust.
421 (instantiate_template_1): Suppress access control in inheriting
423 (fn_type_unification): Do deduction with inherited ctor.
424 * tree.c (special_function_p): Adjust.
426 2016-11-01 Jakub Jelinek <jakub@redhat.com>
428 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
430 2016-11-01 Jason Merrill <jason@redhat.com>
432 * class.c (declared_access): Split out from handle_using_decl.
434 2016-10-31 Jakub Jelinek <jakub@redhat.com>
437 * parser.c (cp_parser_postfix_expression): Replace return statement in
438 the first switch with setting postfix_expression to the return
439 expression and break;.
442 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
443 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
444 (tsubst_expr) <case LABEL_EXPR>: Likewise.
446 2016-09-11 Le-Chun Wu <lcwu@google.com>
447 Mark Wielaard <mjw@redhat.com>
449 * name-lookup.c (pushdecl_maybe_friend): When emitting a
450 shadowing warning, use the code corresponding to the
451 given -Wshadow= variant.
453 2016-10-26 Jason Merrill <jason@redhat.com>
455 * class.c (add_method): Allow using-declarations to coexist.
457 2016-10-25 Jason Merrill <jason@redhat.com>
459 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
460 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
461 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
462 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
464 2016-10-25 Jakub Jelinek <jakub@redhat.com>
466 * parser.c (cp_parser_postfix_expression): Adding missing break;.
468 * cp-tree.h (finish_builtin_launder): Declare.
469 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
470 * semantics.c (finish_builtin_launder): New function.
471 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
472 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
473 (potential_constant_expression_1): Likewise.
475 2016-10-24 Jakub Jelinek <jakub@redhat.com>
477 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
478 and DW_AT_rvalue_reference.
480 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
481 instead of TREE_CODE (x) == VAR_DECL.
482 * constraint.cc (get_concept_definition): Likewise.
483 (finish_shorthand_constraint): Likewise.
484 * init.c (warn_placement_new_too_small): Likewise.
485 * cp-gimplify.c (cp_genericize_r): Likewise.
487 2016-10-21 Jason Merrill <jason@redhat.com>
490 * pt.c (convert_template_argument): Call convert_nontype_argument
491 on value-dependent but not type-dependent arguments.
492 (convert_nontype_argument): Handle value-dependent arguments.
493 (canonicalize_expr_argument): New.
494 (deducible_expression, unify): Skip CONVERT_EXPR.
495 * error.c (dump_template_argument): Likewise.
496 * mangle.c (write_expression): Likewise.
498 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
500 2016-10-21 Jakub Jelinek <jakub@redhat.com>
502 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
505 2016-10-17 Jakub Jelinek <jakub@redhat.com>
507 * cp-objcp-common.h (cp_function_decl_explicit_p,
508 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
509 (cp_decl_dwarf_attribute): Declare.
510 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
511 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
512 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
513 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
514 * cp-objcp-common.c (cp_function_decl_explicit_p,
515 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
516 (cp_decl_dwarf_attribute): New function.
518 2016-10-15 Jason Merrill <jason@redhat.com>
521 * constexpr.c (maybe_simplify_trivial_copy): New.
522 (cxx_eval_store_expression): Call it.
523 * call.c (build_over_call): Use unsigned char for trivial copy.
525 2016-10-14 Jason Merrill <jason@redhat.com>
527 Implement P0017R1, C++17 aggregates with bases.
528 * class.c (build_base_field_1): Split out from...
529 (build_base_field): ...here. In C++17 mode, build a field for
531 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
532 (next_initializable_field): Allow base fields in C++17.
533 * typeck2.c (process_init_constructor_record): Likewise.
535 2016-10-14 Jakub Jelinek <jakub@redhat.com>
537 DR 1511 - const volatile variables and ODR
538 * decl.c (grokvardecl): Change flags argument to type_quals,
539 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
540 (grokdeclarator): Adjust grokvardecl caller.
542 2016-10-13 Martin Sebor <msebor@redhat.com>
545 * class.c (struct flexmems_t): Add members.
546 (find_flexarrays): Add arguments. Correct handling of anonymous
548 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
549 (check_flexarrays): Add argument.
550 (diagnose_invalid_flexarray): New functions.
552 2016-10-13 Jakub Jelinek <jakub@redhat.com>
553 Jason Merrill <jason@redhat.com>
555 Implement P0386R2 - C++17 inline variables
556 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
557 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
558 (DECL_VAR_DECLARED_INLINE_P): Define.
559 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
560 (DECL_INLINE_VAR_P): Define.
561 (diagnose_inline_vars_for_namespace): Declare.
562 * decl.c (diagnose_inline_vars_for_namespace): New function.
563 (duplicate_decls): For static data members copy
564 DECL_DECLARED_CONSTEXPR_P.
565 (redeclaration_error_message): Handle C++17 redundant redeclaration
566 of constexpr static data member outside of class.
567 (maybe_commonize_var): Handle inline variables.
568 (check_initializer): Ignore inline variables for diagnostics.
569 Adjust diagnostic wording for C++17.
570 (make_rtl_for_nonlocal_decl): Allow in-class definition of
571 inline static data members.
572 (bad_specifiers): Don't diagnose inline on variables here.
573 (grokvardecl): Add inlinep argument, non-static const inline variables
575 (check_static_variable_definition): Return early also for inline
577 (mark_inline_variable): New.
578 (grokdeclarator): Handle inline variables and inline static data
580 * typeck2.c (store_init_value): Don't diagnose non-constant
581 initializers for non-constexpr inline static data members.
582 * decl2.c (vague_linkage_p): Return true for inline variables.
583 (c_parse_final_cleanups): In-class declaration of inline static
584 data members is a definition. Call diagnose_inline_vars_for_namespace
585 through walk_namespaces.
586 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
587 of inline static data members.
589 2016-10-13 Jason Merrill <jason@redhat.com>
591 * decl.c (mark_inline_variable): New.
594 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
596 * decl2.c: Include memmodel.h.
599 2016-10-11 Jason Merrill <jason@redhat.com>
602 * init.c (build_new_1): Don't -Waligned-new about placement new.
603 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
604 * decl.c (cxx_init_decl_processing): New.
606 2016-10-10 Jason Merrill <jason@redhat.com>
610 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
611 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
613 2016-10-08 Jason Merrill <jason@redhat.com>
615 * cp-gimplify.c (cp_fold): Add variable name.
617 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
620 2016-10-07 Jason Merrill <jason@redhat.com>
622 Further P0135 refinement.
623 * call.c (build_user_type_conversion_1): Consider conversions from
624 a single element in an initializer-list.
625 (build_temp): Undo early_elide_copy change.
626 (build_over_call): Check that we don't try to copy a TARGET_EXPR
627 in C++17 mode. Set user_conv_p here.
628 (convert_like_real): Not here.
629 (check_self_delegation): Split out from...
630 (build_special_member_call): ...here. Handle C++17 copy elision.
631 * cvt.c (early_elide_copy): Remove.
632 (ocp_convert): Undo early_elide_copy change.
633 * except.c (build_throw): Likewise.
634 * init.c (expand_default_init): Likewise.
635 * typeck.c (cp_build_modify_expr): Likewise.
637 2016-10-07 Nathan Sidwell <nathan@acm.org>
641 * init.c (emit_mem_initializers): Don't construct vbases of
643 (push_base_cleanups): Don't push vbase cleanups for abstract class
645 * method.c (synthethesized_method_walk): Don't walk vbases of
646 abstract classes when in C++14 mode.
648 2016-10-07 Jakub Jelinek <jakub@redhat.com>
650 Implement LWG2296 helper intrinsic
651 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
652 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
653 * constexpr.c (potential_constant_expression_1): Likewise.
654 * error.c (dump_expr): Likewise.
655 * typeck.c (cp_build_addressof): New function.
656 * cp-tree.h (cp_build_addressof): Declare.
657 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
658 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
659 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
660 ADDRESSOF_EXPR. Add __builtin_addressof and
661 __has_unique_object_representations into syntax in function comment.
662 (pp_cxx_addressof_expression): New function.
663 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
665 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
668 * parser.c (cp_parser_base_specifier): Fix a warning.
670 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
673 * decl.c (grokdeclarator): Try to find the correct location for an
676 2016-10-07 Martin Liska <mliska@suse.cz>
678 * lambda.c (maybe_add_lambda_conv_op): Set default value.
680 2016-10-06 Jason Merrill <jason@redhat.com>
682 * call.c (build_temp, convert_like_real): Don't re-copy
683 TARGET_EXPR. Handle packed fields.
684 (build_x_va_arg): Wrap it in a TARGET_EXPR.
685 (build_over_call): Add sanity check.
686 * cvt.c (early_elide_copy): New.
687 (ocp_convert): Use it.
688 * except.c (build_throw): Use it.
689 * init.c (get_nsdmi): Put back the TARGET_EXPR.
690 (expand_default_init): Call early_elide_copy.
691 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
693 2016-10-06 Jakub Jelinek <jakub@redhat.com>
695 Implement P0258R2 - helper for C++17
696 std::has_unique_object_representations trait
697 * cp-tree.h (enum cp_trait_kind): Add
698 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
699 (struct lang_type_class): Add unique_obj_representations
700 and unique_obj_representations_set bitfields.
701 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
702 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
703 (type_has_unique_obj_representations): Declare.
704 * parser.c (cp_parser_primary_expression): Handle
705 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
706 (cp_parser_trait_expr): Likewise. Formatting fix.
707 * semantics.c (trait_expr_value, finish_trait_expr): Handle
708 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
709 * tree.c (type_has_unique_obj_representations): New function.
710 (record_has_unique_obj_representations): New function.
711 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
712 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
714 2016-10-05 Jason Merrill <jason@redhat.com>
716 Implement P0135R1, Guaranteed copy elision.
717 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
720 * call.c (reference_binding): Fix binding to member of temporary.
722 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
724 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
726 * semantics.c (finish_compound_literal): Handle class placeholder.
728 2016-10-05 Marek Polacek <polacek@redhat.com>
730 Implement P0305R1, Selection statements with initializer.
731 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
732 instead of finish_for_init_stmt.
733 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
734 * decl.c (poplevel): Adjust a comment.
735 * init.c (build_vec_init): Call finish_init_stmt instead of
736 finish_for_init_stmt.
737 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
738 * name-lookup.h (enum scope_kind): Likewise.
739 * parser.c (cp_parser_statement): Update commentary.
740 (cp_parser_init_statement_p): New function.
741 (cp_parser_selection_statement): Parse the optional init-statement.
742 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
743 (cp_parser_c_for): Likewise.
744 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
745 (cp_parser_range_for_member_function): Update commentary.
746 (cp_parser_iteration_statement):
747 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
748 * pt.c (tsubst_omp_for_iterator): Update commentary.
749 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
750 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
753 2016-10-04 Jason Merrill <jason@redhat.com>
756 * pt.c (do_class_deduction): Handle list-initialization.
757 (do_auto_deduction): Call it sooner.
758 (build_deduction_guide): Use tsubst_arg_types.
759 (rewrite_template_parm): Don't copy_type.
762 * constexpr.c (cxx_eval_component_reference): Use name matching
765 Implement P0091R2, Template argument deduction for class templates.
766 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
767 Use the location of the beginning of the type-specifier.
768 (cp_parser_init_declarator): Parse deduction guide.
769 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
770 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
771 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
772 * decl.c (grokdeclarator): Check for uninitialized auto here.
773 (start_decl_1): Not here.
774 (cp_finish_decl): Or here. Don't collapse a list when doing
776 (grokfndecl): Check deduction guide scope and body.
777 * error.c (dump_decl, dump_function_decl, dump_function_name):
778 Handle deduction guides.
779 * pt.c (make_template_placeholder, do_class_deduction): New.
780 (build_deduction_guide, rewrite_template_parm): New.
781 (dguide_name, dguide_name_p, deduction_guide_p): New.
782 (do_auto_deduction): Call do_class_deduction.
783 (splice_late_return_type, is_auto): Handle class placeholders.
784 (template_parms_level_to_args): Split from template_parms_to_args.
785 (tsubst_template_parms_level): Split from tsubst_template_parms.
786 * typeck2.c (build_functional_cast): Handle class placeholder.
788 2016-10-04 Martin Sebor <msebor@redhat.com>
791 * init.c (warn_placement_new_too_small): Avoid assuming an array type
794 2016-10-04 Jakub Jelinek <jakub@redhat.com>
797 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
798 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
801 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
802 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
803 (java_byte_type_node, java_short_type_node, java_int_type_node,
804 java_long_type_node, java_float_type_node, java_double_type_node,
805 java_char_type_node, java_boolean_type_node, lang_name_java,
806 jclass_node): Remove.
807 (enum languages): Remove lang_java.
808 (TYPE_FOR_JAVA): Remove.
809 (struct lang_type_class): Remove java_interface bit-field.
810 (TYPE_JAVA_INTERFACE): Remove.
811 (pragma_java_exceptions): Remove.
812 (check_java_method, build_java_class_ref): Remove prototypes.
813 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
814 * decl2.c (acceptable_java_type, check_java_method): Remove.
815 (import_export_decl): Remove TYPE_FOR_JAVA handling.
816 (build_java_method_aliases): Remove.
817 (c_parse_final_cleanups): Don't call build_java_method_aliases.
818 (possibly_inlined_p): Don't test pragma_java_exceptions.
819 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
820 (build_java_class_ref): Remove.
821 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
822 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
823 * except.c (eh_type_info): Remove java type handling.
824 (decl_is_java_type, choose_personality_routine): Remove.
825 (initialize_handler_parm): Don't call choose_personality_routine.
826 (expand_start_catch_block): Don't handle java types.
827 (build_throw): Likewise.
828 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
829 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
830 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
831 (java_iface_lookup_fn): Remove.
832 (build_java_interface_fn_ref): Remove.
833 * tree.c (cxx_attribute_table): Remove java_interface.
834 (handle_java_interface_attribute): Remove.
835 * lex.c (pragma_java_exceptions): Remove.
836 (init_cp_pragma): Don't register GCC java_exceptions pragma.
837 (handle_pragma_java_exceptions): Remove.
838 (retrofit_lang_decl): Don't handle lang_name_java.
839 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
840 * error.c (language_to_string): Don't handle lang_java.
841 * decl.c (record_builtin_java_type): Remove.
842 (initialize_predefined_identifiers): Remove Java.
843 (cxx_init_decl_processing): Remove java_*_type_node.
844 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
845 (grokfndecl): Likewise.
846 (check_special_function_return_type): Likewise.
847 (grokdeclarator): Don't set TYPE_FOR_JAVA.
848 (grokparms): Don't handle TYPE_FOR_JAVA.
849 (xref_basetypes): Likewise.
850 (check_function_type): Likewise.
851 (finish_constructor_body): Likewise.
852 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
853 and java_*_type_node.
854 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
855 (write_java_integer_type_codes): Remove.
856 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
857 (add_implicitly_declared_members, determine_key_method,
858 finish_struct_1): Likewise.
859 (push_lang_context): Don't handle lang_name_java.
861 2016-10-03 Marek Polacek <polacek@redhat.com>
864 * typeck.c (cp_build_binary_op): Pass original operands to
865 null_ptr_cst_p, not those after the default conversions.
867 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
869 * parser.c (cp_parser_condition): Fix a warning.
871 2016-09-29 Jakub Jelinek <jakub@redhat.com>
873 Implement P0001R1 - C++17 removal of register storage class specifier
874 * decl.c (cp_finish_decl): Diagnose register storage class
875 on vars except when used in GNU global or local register variable
877 (grokdeclarator): Diagnose register storage class on parameters.
878 * except.c (expand_start_catch_block): Set DECL_REGISTER only
879 after cp_finish_decl call.
881 2016-09-29 Marek Polacek <polacek@redhat.com>
883 * rtti.c (involves_incomplete_p): Add fall through comment.
885 2016-09-28 Jakub Jelinek <jakub@redhat.com>
888 * constexpr.c (enum constexpr_switch_state): New.
889 (struct constexpr_ctx): Add css_state field.
890 (label_matches): Add CTX and STMT arguments, remove I and
891 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
892 handle default labels according to css_state.
893 (cxx_eval_statement_list): Remove statement skipping, label_matches
894 and default_label handling code.
895 (cxx_eval_loop_expr): Exit after first iteration even if
896 switches (jump_target).
897 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
898 label has been seen in the body, but no cases matched, evaluate
899 the body second time.
900 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
901 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
902 statement is not skipped. For COND_EXPR during skipping, don't
903 evaluate condition, just the then block and if still skipping at the
904 end also the else block.
905 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
906 (is_sub_constant_expr): Likewise.
908 2016-09-27 Jakub Jelinek <jakub@redhat.com>
910 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
911 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
912 true instead of false as by_reference_p to add_capture for 'this'.
913 Parse '*this' simple-capture.
914 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
915 (add_capture): Adjust function comment. For id == this_identifier,
916 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
917 by value, and !by_reference_p as capturing '*this' by value.
918 (add_default_capture): For implicit 'this' capture, always pass
919 by_reference_p true rather than false.
922 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
923 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
924 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
926 2016-09-26 Nathan Sidwell <nathan@acm.org>
928 * init.c (expand_default_init): Fix } indentation.
929 * method.c (process_subob_fn): Simplify control structure to
931 (implicitly_declare_fn): Remove duplicated lambda ctor check.
933 2016-09-26 Marek Polacek <polacek@redhat.com>
936 * parser.c (cp_parser_storage_class_specifier_opt): Add
938 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
939 (cp_parser_cache_defarg): Likewise.
940 (cp_parser_omp_for_cond): Likewise.
941 * semantics.c (finish_decltype_type): Likewise.
942 * typeck.c (structural_comptypes): Likewise.
943 (cp_build_binary_op): Likewise.
944 (cp_build_modify_expr): Likewise.
946 2016-09-26 Marek Polacek <polacek@redhat.com>
949 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
950 (potential_constant_expression_1): Likewise.
951 * constraint.cc (function_concept_check_p): Check fn for null.
952 * parser.c (cp_parser_expression_statement): Handle attribute
954 (cp_parser_statement): Likewise.
955 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
957 (cp_parser_std_attribute): Handle fallthrough attribute.
958 (cp_parser_check_std_attribute): Add %< %> quotes.
959 * pt.c (tsubst_copy_and_build): Handle internal functions.
960 (instantiation_dependent_scope_ref_p): Return if the expression is
963 2016-09-24 Marek Polacek <polacek@redhat.com>
966 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
969 2016-09-23 Jakub Jelinek <jakub@redhat.com>
971 Implement P0138R2, C++17 construction rules for enum class values
972 * cp-tree.h (is_direct_enum_init): Declare.
973 * decl.c (is_direct_enum_init): New function.
974 (reshape_init): Use it.
975 * typeck.c (convert_for_assignment): Likewise.
977 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
980 * constexpr.c (call_stack): Remove unnecessary
981 = vNULL initialization of file scope vec.
983 * name-lookup.c (store_bindings, store_class_bindings): Don't
984 initialize static local bindings_need_stored to vNULL.
986 * typeck2.c (process_init_constructor_record): Use
987 CONSTRUCTOR_NELTS (...) instead of
988 vec_safe_length (CONSTRUCTOR_ELTS (...)).
989 * decl.c (reshape_init_r): Likewise.
990 (check_initializer): Likewise.
992 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
995 * class.c (build_base_path): Allow for lookup_base returning
998 2016-09-21 Jason Merrill <jason@redhat.com>
1001 * call.c (null_ptr_cst_p): Check char_type_p.
1003 2016-09-21 Jakub Jelinek <jakub@redhat.com>
1006 * init.c (build_new_1): Don't suggest to use -faligned-new if
1007 aligned_new_threshold is non-zero.
1008 (type_has_new_extended_alignment): Change aligned_new_threshhold
1009 to aligned_new_threshold.
1010 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
1011 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
1012 * decl.c (cxx_init_decl_processing): Likewise.
1014 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1017 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
1018 FIELD_DECLs with error_mark_node type. Remove useless break; after
1022 * parser.c (cp_parser_template_declaration_after_parameter): For 2
1023 argument operator"" template set ok to false for
1024 parm == error_mark_node.
1027 * parser.c (cp_parser_std_attribute_list): Reject ... without
1028 preceding attribute.
1030 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1033 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
1035 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1038 * parser.c (cp_parser_class_head): When
1039 processing_template_parmlist, don't assume that the
1040 class-head may start an explicit specialization.
1042 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1045 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1046 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1049 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1050 call is_really_empty_class on complete types.
1053 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1054 TYPE_HAS_MUTABLE_P for any bases.
1056 2016-09-16 Jason Merrill <jason@redhat.com>
1058 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1060 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1061 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1063 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1066 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1069 2016-09-14 Marek Polacek <polacek@redhat.com>
1071 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1072 expressions. Tweak an error message.
1074 2016-09-14 Marek Polacek <polacek@redhat.com>
1076 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1078 * decl2.c (one_static_initialization_or_destruction): Use true instead
1080 * init.c (build_vec_init): Use false instead of 0.
1081 * pt.c (tsubst_copy_and_build): Likewise.
1082 * semantics.c (simplify_loop_decl_cond): Likewise.
1083 * typeck.c (rationalize_conditional_expr): Likewise.
1084 (cp_build_binary_op): Use true instead of 1.
1085 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1087 (build_unary_op): Change nonconvert parameter type to bool.
1088 (unary_complex_lvalue): Use false instead of 0.
1090 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1092 Implement P0028R4, C++17 using attribute namespaces without repetition
1093 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1094 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1095 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1096 identifier after ::.
1097 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1098 to cp_parser_std_attribute calls.
1099 (cp_parser_std_attribute_spec): Parse optional C++17
1100 attribute-using-prefix, adjust grammar in function comment.
1103 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1104 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1105 (cxx_eval_pointer_plus_expression): Remove.
1106 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1107 call cxx_eval_pointer_plus_expression.
1109 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1111 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1112 add_fixit_insert to add_fixit_insert_before.
1113 (cp_parser_class_head): Likewise.
1115 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1118 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1119 * class.c (instantiate_type): Look through the SAVE_EXPR.
1121 2016-09-09 Jason Merrill <jason@redhat.com>
1123 Implement P0035R4, C++17 new of over-aligned types.
1124 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1125 (align_type_node): New macro.
1126 * call.c (build_operator_new_call): Handle C++17 aligned new.
1127 (second_parm_is_size_t, build_op_delete_call): Likewise.
1128 (non_placement_deallocation_fn_p): Likewise. Rename to
1129 usual_deallocation_fn_p.
1130 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1131 * decl.c (cxx_init_decl_processing): Add aligned new support.
1132 * init.c (type_has_new_extended_alignment): New.
1133 (build_new_1): Handle aligned new.
1134 * tree.c (vec_copy_and_insert): New.
1136 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1139 * decl2.c (do_static_initialization_or_destruction): Only
1140 call asan_dynamic_init_call if INITP is true.
1142 2016-09-01 Martin Sebor <msebor@redhat.com>
1144 * mangle.c: Increase buffer size to guarantee it fits the output
1145 of the formatted function regardless of its arguments.
1147 2016-09-01 Marek Polacek <polacek@redhat.com>
1150 * error.c (dump_type): Fix falls through comment.
1151 (dump_decl): Likewise.
1152 (dump_expr): Likewise.
1154 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1156 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1157 hint to ">>" within nested template argument list error.
1159 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1161 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1162 rather than add_fixit_misspelled_id.
1163 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1165 2016-08-29 Jason Merrill <jason@redhat.com>
1168 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1169 (mangle_thunk): Add thunk parameter.
1170 * method.c (finish_thunk): Pass it.
1171 * cp-tree.h: Declare it.
1173 2016-08-15 Jason Merrill <jason@redhat.com>
1175 Avoid calling a trivial default constructor.
1176 * class.c (default_ctor_p): New.
1177 (in_class_defaulted_default_constructor): Use it.
1178 (type_has_non_user_provided_default_constructor): Use it.
1179 * call.c (build_over_call): Handle trivial default constructor.
1180 * cp-tree.h: Declare default_ctor_p.
1183 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1186 2016-08-25 Marek Polacek <polacek@redhat.com>
1188 * parser.c (cp_parser_binary_expression): Pass LHS to
1189 warn_logical_not_parentheses.
1191 2016-08-18 Marek Polacek <polacek@redhat.com>
1194 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1195 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1196 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1197 (cp_parser_cache_defarg): Likewise.
1199 2016-08-12 Marek Polacek <polacek@redhat.com>
1202 * call.c (add_builtin_candidate): Add FALLTHRU.
1203 (build_integral_nontype_arg_conv): Adjust fall through comment.
1204 (build_new_op_1): Add FALLTHRU.
1205 (convert_like_real): Adjust fall through comment.
1206 * class.c (fixed_type_or_null): Likewise.
1207 * constexpr.c (cxx_eval_constant_expression): Likewise.
1208 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1209 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1210 (cp_fold): Add FALLTHRU.
1211 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1212 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1213 (pp_cxx_qualified_id): Likewise.
1214 (cxx_pretty_printer::constant): Adjust fall through comment.
1215 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1216 (pp_cxx_pm_expression): Adjust fall through comment.
1217 (cxx_pretty_printer::expression): Add FALLTHRU.
1218 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1219 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1220 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1221 * error.c (dump_type): Adjust fall through comment.
1222 (dump_decl): Likewise.
1223 * mangle.c (write_type): Likewise.
1224 * method.c (synthesized_method_walk): Add FALLTHRU.
1225 * name-lookup.c (arg_assoc_type): Likewise.
1226 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1227 (cp_parser_primary_expression): Add FALLTHRU.
1228 (cp_parser_operator): Likewise.
1229 * pt.c (find_parameter_packs_r): Likewise.
1230 (tsubst_aggr_type): Adjust fall through comment.
1231 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1232 * tree.c (lvalue_kind): Likewise.
1234 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1237 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1238 (cp_function_decl_explicit_p): Const_tree-ify.
1239 (cp_function_decl_deleted_p): Likewise.
1240 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1241 (cp_function_decl_explicit_p): Const_tree-ify.
1242 (cp_function_decl_deleted_p): Likewise.
1243 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1245 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1248 * constexpr.c (label_matches): Handle case range expressions.
1250 2016-08-11 Jason Merrill <jason@redhat.com>
1253 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1255 2016-08-10 Jason Merrill <jason@redhat.com>
1257 Implement C++17 constexpr if.
1258 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1259 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1260 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1261 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1262 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1263 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1264 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1265 (finish_if_stmt_cond): Require the condition of a
1266 constexpr if to be constant.
1267 * decl.c (level_for_constexpr_if): New.
1268 (named_label_entry): Add in_constexpr_if field.
1269 (poplevel_named_label_1): Set it.
1270 (check_goto): Check it.
1271 (check_previous_goto_1): Check level_for_constexpr_if.
1273 2016-08-09 Jason Merrill <jason@redhat.com>
1276 * decl2.c (any_dependent_type_attributes_p): New.
1277 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1278 * semantics.c (finish_id_expression): Check it.
1279 * typeck.c (finish_class_member_access_expr): Check it.
1282 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1284 Adjust mangling of ABI tags on class template member functions.
1285 * class.c (missing_abi_tags): New.
1286 (check_abi_tags): Don't check template. Add just_checking mode.
1287 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1288 (sorted_abi_tags): Split out from write_abi_tags.
1289 (struct releasing_vec): New.
1290 (write_unqualified_name): Only look for the primary
1291 template for types. Implement backward compatibility.
1294 * constexpr.c (cxx_eval_constant_expression): Check
1295 COMPLETE_TYPE_P before calling is_really_empty_class.
1296 * class.c (is_really_empty_class): Don't call complete_type.
1299 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1301 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1304 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1305 builtin aggregate types without TYPE_BINFO.
1307 2016-08-08 Jason Merrill <jason@redhat.com>
1309 Implement C++17 constexpr lambda.
1310 * class.c (finalize_literal_type_property): Handle lambdas.
1311 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1312 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1314 (cxx_eval_constant_expression): Handle capture proxy.
1315 (var_in_constexpr_fn): Don't check for C++14.
1316 (var_in_maybe_constexpr_fn): New.
1317 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1318 declarations not allowed in constexpr function. Handle
1319 STATIC_ASSERT, RANGE_FOR_STMT.
1320 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1321 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1322 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1323 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1324 (lambda_static_thunk_p): New.
1325 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1326 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1327 (cp_parser_decl_specifier_seq): Handle it.
1328 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1329 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1330 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1331 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1332 (dump_expr) [FUNCTION_DECL]: Pass it.
1334 2016-08-08 Jason Merrill <jason@redhat.com>
1337 * class.c (is_really_empty_class): Call complete_type.
1338 * constexpr.c (cxx_eval_constant_expression): Check
1339 is_really_empty_class.
1340 (potential_constant_expression_1): Likewise. Check for error type.
1342 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1345 * parser.c: Include tree-iterator.h.
1346 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1348 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1351 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1353 * call.c (convert_like_real): Harmonize diagnostics for invalid
1356 2016-08-05 Martin Sebor <msebor@redhat.com>
1358 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1359 the spelling of "constant-expression" in diagnostic messages
1361 (cxx_eval_constant_expression): Same.
1362 (cxx_eval_outermost_constant_expr): Same.
1363 (potential_constant_expression_1): Same.
1365 2016-08-05 Nathan Sidwell <nathan@acm.org>
1368 * pt.c (unify): TRAIT_EXPR is an expr.
1370 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1373 * lambda.c (add_capture): Check lambda_capture_field_type return
1374 value for error_mark_node.
1376 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1379 * pt.c (tsubst_qualified_id): Return error_mark_node if
1380 template_args is error_mark_node.
1382 2016-08-04 Jason Merrill <jason@redhat.com>
1385 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1388 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1389 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1390 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1391 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1394 * typeck.c (finish_class_member_access_expr): Avoid stripping
1395 SCOPE_REF to dependent base.
1397 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1399 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1400 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1401 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1402 Simplify code, and improve diagnostics.
1403 (cp_parser_oacc_routine): Likewise. Move pragma context
1405 (cp_parser_pragma): ... here.
1407 * parser.h (struct cp_omp_declare_simd_data): New.
1408 (struct cp_parser): Use it for oacc_routine member.
1409 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1410 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1411 Use it. Simplify code.
1412 (cp_parser_new): Initialize all members pointing to special
1413 parsing data structures.
1414 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1415 parser->cilk_simd_fn_info->clauses.
1416 (cp_parser_omp_declare_simd): Initialize
1417 parser->omp_declare_simd->clauses.
1418 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1420 2016-08-04 Marek Polacek <polacek@redhat.com>
1423 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1426 2016-08-01 Jason Merrill <jason@redhat.com>
1428 * mangle.c (mangle_decl): Warn about mangled name change even if
1431 * mangle.c (get_abi_tags): New.
1432 (find_substitution, write_unqualified_name, write_abi_tags)
1433 (maybe_check_abi_tags): Use it.
1435 * mangle.c (mangle_decl): Fix mangled name change warning.
1438 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1440 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1443 2016-07-30 Martin Sebor <msebor@redhat.com>
1447 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1448 involving null pointers.
1449 (cxx_eval_component_reference): Reject null pointer dereferences.
1450 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1451 (cxx_eval_constant_expression): Reject invalid expressions involving
1454 2016-07-29 Marek Polacek <polacek@redhat.com>
1457 * semantics.c (maybe_convert_cond): Use the location of COND for the
1458 parentheses warning.
1460 2016-07-29 Jason Merrill <jason@redhat.com>
1462 * decl.c (build_enumerator): Tweak diagnostic.
1465 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1466 * constexpr.c (build_data_member_initialization): Handle multiple
1467 initializers for the same field.
1469 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1472 * decl.c (build_enumerator): Check the type of the enumerator before
1473 calling cxx_constant_value.
1475 2016-07-27 Jason Merrill <jason@redhat.com>
1478 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1479 parameters with spec_tmpl. Call push_tinst_level.
1480 (most_specialized_partial_spec): Adjust.
1481 (more_specialized_partial_spec): Adjust.
1483 2016-07-25 Jason Merrill <jason@redhat.com>
1486 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1489 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1490 (build_lambda_object): Call build_x_compound_expr_from_list.
1491 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1495 * pt.c (coerce_template_parameter_pack): Fix logic for
1499 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1500 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1504 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1505 value of an element we're currently modifying.
1507 2016-07-24 Jason Merrill <jason@redhat.com>
1510 * pt.c (resolve_typename_type): Try to avoid calling
1511 currently_open_class.
1513 2016-07-23 Jason Merrill <jason@redhat.com>
1516 * call.c (add_list_candidates): Handle VTT parm.
1517 (build_new_method_call_1): Likewise.
1521 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1524 * class.c (walk_subobject_offsets): Handle 0-length array.
1527 * pt.c (tsubst): Also substitute into the template of a
1528 BOUND_TEMPLATE_TEMPLATE_PARM.
1531 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1534 * decl.c (reshape_init_r): Check complain for missing braces warning.
1536 2016-07-22 Jason Merrill <jason@redhat.com>
1539 * call.c (convert_like_real): Use lvalue_kind.
1543 * pt.c (tsubst_baselink): Call
1544 adjust_result_of_qualified_name_lookup for unqualified
1547 2016-07-21 Jason Merrill <jason@redhat.com>
1550 * semantics.c (apply_deduced_return_type): Call
1551 complete_type_or_else before building the new RESULT_DECL.
1554 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1555 (decl_constant_var_p): Use it instead.
1558 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1562 * call.c (unsafe_copy_elision_p): It's OK to elide when
1563 initializing an unknown object.
1565 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1566 trivial constructors.
1567 * method.c (do_build_copy_constructor): Don't copy tail padding
1568 even in a trivial constructor.
1570 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1573 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1574 Replace assert with test, return false if the goto isn't break
1575 or continue. Formatting fix.
1577 2016-07-21 Richard Biener <rguenther@suse.de>
1579 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1582 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1585 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1586 save/restore bc_label array.
1588 2016-07-21 Jason Merrill <jason@redhat.com>
1591 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1592 error parsing the lambda-declarator.
1595 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1596 between lowered and unlowered PTRMEM_CST.
1599 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1600 Don't set c_inhibit_evaluation_warnings.
1603 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1605 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1606 Jason Merrill <jason@redhat.com>
1608 Improving concepts performance and diagnostics.
1612 * cp-tree.def (CHECK_CONSTR): New.
1613 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1614 (CHECK_CONSTR_ARGS): New.
1615 * constraint.cc (make_predicate_constraint): Remove in favor of
1616 normalize_expression.
1617 (resolve_constraint_check): Actually return error_mark_node when
1619 (resolve_variable_concept_check): Perform coercion as if processing
1620 a template. Also return errors on resolution failure.
1621 (lift_*): Remove all of these functions. Don't unnecessarily inline
1623 (learn_*): Add facilities to memoize implications for subsumption
1624 during normalization.
1625 (expanding_concept): New.
1626 (expand_concept): New. Return the inlined and normalized definition
1627 of a concept when needed.
1628 (transform_*, xform_*): Rename to normalize_* to better reflect the
1629 responsibility of those functions.
1630 (normalize_template_id_expression): Check for non-boolean operands
1631 when possible. Generate check constraints instead of normal variable
1633 (normalize_call_expression): Report errors when resolution fails.
1634 (check_for_logical_overloads): Rewrite this check to more accurately
1636 (normalize_atom): Check for overloaded calls and invalid types before
1637 determining if the expression refers to a concept.
1638 (build_constraints): Don't cache normalized constraints or decomposed
1640 (finish_shorthand_constraint): Return a normalized expression instead
1641 of a predicate constraint.
1642 (finish_template_introduction): Same.
1643 (placeholder_extract_concept_and_args): Rewrite this since we only
1644 ever get check constraints here.
1645 (equivalent_placeholder_constraints): Rewrite in terms of check
1646 constraints, and handle error_mark_nodes correctly.
1647 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1648 (tsubst_implicit_conversion_constr)
1649 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1650 (tsubst_parameterized_constraint, tsubst_constraint): New.
1651 (tsbust_conjunection): Replace with tsubst_logical_operator and
1652 actually generate the right kind of constraint.
1653 (tsubst_requirement_body): Reverse the order of substituted arguments
1654 so that they appear in the order written (helps diagnostics).
1655 (satisfy_check_constraint): New.
1656 (satisfy_conjunction): Simplify.
1657 (satisfy_disjunction): Same.
1658 (satisfy_constraint_1): Handle check constraints.
1659 (eval_constr): New (private) global state.
1660 (evaluating_constraints_sentinel): New. Manages eval_constr.
1661 (satisfy_constraint): Add timing variables.
1662 (satisfy_associated_constraints): Add hooks for memoization.
1663 (evaluate_function_concept): Build a check constraint instead of
1664 normalizing its definition.
1665 (evaluate_variable_concept): Same.
1666 (evaluate_constraint_expression): Normalize, but in the current
1667 declaration processing context.
1668 (evaluating_constraints_p): New.
1669 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1670 (diagnose_*): Remove artificial indentation. Add a new parameter to
1671 each that tracks the current (complete) constraint prior to any
1673 (diagnose_expression): Removed.
1674 (diagnose_call_expression): Same.
1675 (diagnose_template_id): Same.
1676 (diagnose_template_id): New.
1677 (diagnose_logical_constraint): New.
1678 (diagnose_expression_constraint): Show the original expression.
1679 (diagnose_type_constraint): Show the original type.
1680 (diagnose_implicit_conversion_constraint): Be specific about
1681 failures, don't re-diagnose a known-to-be-failed substitutions,
1682 and manage elisions properly.
1683 (diagnose_argument_deduction_constraint): Same.
1684 (diagnose_exception_constraint): Same.
1685 (diagnose_parameterized_constraint): Same.
1686 (constraint_p): Allow EXPR_PACK_EXPANSION.
1687 * logic.cc (next_by_distance): Removed. No longer used.
1688 (any_p): Renamed from any_of.
1689 (term_entry, term_hasher): New.
1690 (term_list): Rewrite to include a hash table for quick lookup.
1691 Also, make less stateful.
1692 (proof_state): Extend to allow goals to be discharged once
1694 (non_atomic_constraint_p): New.
1695 (any_non_atomic_constraints_p): New.
1696 (...rest...): Previous implementation completely replaced with an
1697 iterative algorithm that opportunistically prunes the search space
1698 before committing to using more memory.
1699 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1700 (cp_parser_explicit_template_declaration): Same.
1701 * pt.c: (finish_template_variable): Be less redundant with this error
1703 (template_args_equal): No longer static.
1704 (tsubst_decl): Don't try to find specializations of variables that
1705 have already been instantiated.
1706 (build_non_dependent_expr): Avoid infinite recursion during concept
1708 (make_constrained_auto): Normalize constraints.
1709 (do_auto_deduction): When doing auto deduction from a
1710 partial-concept-id, be sure to include the explicit args checking
1712 (constraint_sat_*): New. Memoize satisfied constraints.
1713 (concept_spec_*): New. Memoize expressions associated with a concept
1715 (constraint_memos, concept_memos): New.
1716 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1717 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1718 (get_concept_expansion, save_concept_expansion): New.
1719 (hash_subsumption_args): New.
1720 (comp_subsumption_args): New.
1721 (subsumption_*): New. Memoize parts of the subsumption relation.
1722 (lookup_subsumption_result, save_subsumption_result): New.
1723 (init_constraint_processing): Initialize memo tables.
1724 (get_constraints): Shortcut if !flag_concepts.
1725 * decl.c (grokfndecl): Normalize constraints.
1726 * error.c (dump_simple_decl): Print "concept" when appropriate.
1727 (dump_function_decl): Same.
1728 (dump_template_decl): Don't write requirements when we're not
1729 printing the header.
1730 (dump_expr): Handle fold expressions.
1731 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1733 (get_fold_operator): New.
1734 (pp_cxx_unary_left_fold_expression): New.
1735 (pp_cxx_unary_right_fold_expression): New.
1736 (pp_cxx_binary_fold_expression): New.
1737 (pp_cxx_check_constraint): New.
1738 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1739 to make them easier to read when debugging.
1740 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1741 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1743 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1747 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1749 (suggest_alternatives_for): If no candidates are found, try
1750 lookup_name_fuzzy and report if if finds a suggestion.
1751 (consider_binding_level): New function.
1752 (lookup_name_fuzzy) New function.
1753 * parser.c: Include gcc-rich-location.h.
1754 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1756 (cp_keyword_starts_decl_specifier_p): ...this new function.
1757 (cp_parser_diagnose_invalid_type_name): When issuing
1758 "does not name a type" errors, attempt to make a suggestion using
1760 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1761 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1762 types that are not CLASS_TYPE_P, rather than rejecting individual
1765 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1768 * parser.c (cp_parser_save_member_function_body): Consume
1769 __transaction_relaxed or __transaction_atomic with optional
1770 attribute. Only skip catch with block if try keyword is seen.
1773 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1774 when evaluating call arguments. Use fold_builtin_call_array instead
1775 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1776 check the result with potential_constant_expression and call
1777 cxx_eval_constant_expression on it.
1779 2016-07-19 Jason Merrill <jason@redhat.com>
1782 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1783 handle ARGUMENT_PACK_SELECT.
1785 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1789 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1790 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1791 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1795 * call.c (build_op_call_1): Use convert_like_with_context only
1796 if cand->fn is a decl.
1799 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1800 For lval don't use cxx_eval_unary_expression and instead recurse
1801 and if needed rebuild the reference.
1804 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1807 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1808 fold *expr_p before genericizing it.
1811 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1813 2016-07-15 Jason Merrill <jason@redhat.com>
1816 * call.c (convert_like_real): Mask complain.
1817 * semantics.c (perform_koenig_lookup): Likewise.
1820 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1821 threw away DECL_SAVED_TREE.
1825 * call.c (add_template_conv_candidate): Disable if there are
1829 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1832 * pt.c (tsubst_attributes): Fix loop logic.
1836 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1837 (cp_parser_simple_declaration): Diagnose type definition in
1838 for-range-declaration.
1841 * operators.def: Add *_FOLD_EXPR.
1842 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1843 * mangle.c (write_expression): Handle fold-expressions.
1844 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1845 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1846 partial instantiation.
1849 * mangle.c (write_expression): Handle sizeof... an argument pack.
1852 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1855 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1856 artificial variables.
1858 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1860 * parser.c (cp_parser_oacc_declare): Don't scan for
1862 * semantics.c (handle_omp_array_sections): Mark data clauses with
1863 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1864 zero-length subarrays.
1866 2016-07-11 Jason Merrill <jason@redhat.com>
1868 * decl.c (store_parm_decls): Remove check for void parm.
1870 2016-07-08 Jason Merrill <jason@redhat.com>
1872 * cp-tree.h: Unpoison lvalue_p.
1873 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1874 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1877 * tree.c (obvalue_p): Rename from lvalue_p.
1878 (lvalue_p): Define for c-common.
1879 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1881 (cp_build_addr_expr_1): Remove obsolete code.
1883 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1884 * call.c, cp-tree.h, typeck.c: Adjust.
1886 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1888 P0145R2: Refining Expression Order for C++.
1889 * cp-gimplify.c (lvalue_has_side_effects): New.
1890 (cp_gimplify_expr): Implement assignment ordering.
1891 * call.c (op_is_ordered, build_over_call): Adjust for
1892 -fargs-in-order renaming to -fstrong-eval-order.
1893 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1895 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1896 Kai Tietz <ktietz70@googlemail.com>
1900 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1901 artificial vars, genericize their initializers.
1903 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1906 * parser.c (cp_parser_class_specifier_1): When reporting
1907 missing semicolons, use a fixit-hint to suggest insertion
1908 of a semicolon immediately after the closing brace,
1909 offsetting the reported column accordingly.
1911 2016-07-04 Jan Beulich <jbeulich@suse.com>
1913 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1915 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1917 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1918 Move pragma context checking into...
1919 (cp_parser_omp_cancellation_point): ... here, and improve
1920 diagnostic messages.
1921 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1922 Improve diagnostic messages.
1924 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1926 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1928 2016-06-24 Jason Merrill <jason@redhat.com>
1930 P0145R2: Refining Expression Order for C++.
1931 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1933 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1934 (build_target_expr): Call mark_rvalue_use.
1936 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1938 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1939 (build_over_call): For magic == 3, do no conversion only on 3rd
1942 2016-06-23 Andi Kleen <ak@linux.intel.com>
1944 * Make-lang.in: Add support for autofdo.
1946 2016-06-21 Jason Merrill <jason@redhat.com>
1948 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1949 args as our template has levels of parms.
1951 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1952 (type_dependent_expression_p): Use uses_outer_template_parms.
1954 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1956 * parser.c (cp_parser_string_literal): Convert non-standard
1957 concatenation error to directly use a rich_location, and
1958 use that to add the location of the first literal to the
1961 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1963 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1965 * error.c (dump_function_decl): Save the constexpr specifier too.
1967 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1969 * tree.c (builtin_valid_in_constant_expr_p): Test for
1970 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1972 (bot_manip): Likewise.
1973 * call.c (magic_varargs_p): Likewise.
1975 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1977 * decl.c (grokfndecl): Change pair of errors to error + inform.
1979 2016-06-17 Jason Merrill <jason@redhat.com>
1982 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1983 warning when there are dependent bases.
1985 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1987 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1988 processing_template_decl when checking for bitfields and unions.
1989 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1990 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1991 array sections with COMPONENT_REF bases.
1993 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1995 * parser.c (cp_parser_omp_var_list_no_open): Call
1996 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1997 * semantics.c (finish_omp_clauses): Don't ICE when
1998 processing_template_decl when checking for bitfields and unions.
1999 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2001 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2003 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
2004 "%qF" in warning_at instead of "%q+F" in warning.
2005 (check_redeclaration_exception_specification): Likewise in pedwarn
2006 (and error, inform, for consistency).
2007 * call.c (joust): Likewise.
2009 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2012 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
2013 code at the end of the for loop; also revert r159637 changes,
2014 add back the gcc_assert.
2015 * cp-tree.h (xref_basetypes): Adjust declaration.
2016 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2018 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2020 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
2022 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2024 * typeck.c: Include "gcc-rich-location.h".
2025 (finish_class_member_access_expr): Simplify fixit code by
2026 using gcc_rich_location::add_fixit_misspelled_id.
2028 2016-06-14 Jason Merrill <jason@redhat.com>
2030 P0145R2: Refining Expression Order for C++.
2031 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
2032 (CALL_EXPR_REVERSE_ARGS): New.
2033 * call.c (build_new_op_1): Set them.
2034 (extract_call_expr, op_is_ordered): New.
2035 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
2036 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
2037 * pt.c (tsubst_copy_and_build): Copy new flags.
2038 * semantics.c (simplify_aggr_init_expr): Likewise.
2039 * tree.c (build_aggr_init_expr): Likewise.
2040 (build_min_non_dep_op_overload): Likewise.
2042 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2045 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2046 olddecl vars, preserve their TREE_READONLY bit.
2049 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2051 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2053 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2055 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2057 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2059 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2062 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2065 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2069 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2072 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2073 emits an error do not zero the type.
2075 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2077 * decl.c (maybe_deduce_size_from_array_init): Use
2078 DECL_SOURCE_LOCATION in error_at.
2079 (layout_var_decl): Likewise.
2080 (check_array_initializer): Likewise.
2081 (check_initializer): Likewise.
2082 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2084 2016-06-08 Martin Sebor <msebor@redhat.com>
2085 Jakub Jelinek <jakub@redhat.com>
2089 * constexpr.c: Include gimple-fold.h.
2090 (cxx_eval_internal_function): New function.
2091 (cxx_eval_call_expression): Call it.
2092 (potential_constant_expression_1): Handle integer arithmetic
2094 * tree.c (builtin_valid_in_constant_expr_p): Handle
2095 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2097 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2099 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2100 return value of tsubst_aggr_type for error_mark_node.
2102 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2105 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2107 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2108 Patrick Palka <ppalka@gcc.gnu.org>
2113 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2114 right after cp_fold call if cp_fold has returned the same stmt
2115 already in some earlier cp_fold_r call.
2116 (cp_fold_function): Add pset automatic variable, pass its address
2119 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2122 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2123 emits an error do not zero the type.
2125 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2128 * decl.c (duplicate_decls): Properly copy the
2129 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2130 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2132 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2134 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2135 arguments as addressable when async clause exists.
2137 2016-06-02 Jan Hubicka <jh@suse.cz>
2139 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2142 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2144 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2145 (start_enum): Likewise.
2146 * parser.c (cp_parser_class_head): Likewise.
2148 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2151 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2152 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2153 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2154 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2155 to the newly built tree.
2157 2016-05-31 Jason Merrill <jason@redhat.com>
2159 * pt.c (instantiate_decl): Avoid recalculation.
2164 * pt.c (instantiate_template_1): Don't put the partial
2165 specialization in DECL_TI_TEMPLATE.
2166 (partial_specialization_p, impartial_args): Remove.
2167 (regenerate_decl_from_template): Add args parm.
2168 (instantiate_decl): Look up the partial specialization again.
2171 * pt.c (check_explicit_specialization): Give better diagnostic about
2172 specializing a hidden friend.
2174 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2177 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2178 to obtain correct locations; avoid redundant diagnostics on
2179 out-of-class definitions.
2181 2016-05-30 Martin Sebor <msebor@redhat.com>
2184 * init.c (warn_placement_new_too_small): Handle placement new arguments
2185 that are elements of arrays more carefully. Remove a pointless loop.
2187 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2190 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2191 when combined with target construct.
2192 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2193 to cp_parser_omp_all_clauses.
2195 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2198 * lex.c (unqualified_name_lookup_error): Take a location too.
2199 (unqualified_fn_lookup_error): Take a cp_expr.
2200 * cp-tree.h (unqualified_name_lookup_error,
2201 unqualified_fn_lookup_error): Adjust declarations.
2202 * semantics.c (perform_koenig_lookup): Adjust
2203 unqualified_fn_lookup_error call, pass the location of
2204 the identifier too as part of a cp_expr.
2206 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2209 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2210 to improve the diagnostic about wrong uses of 'virtual'.
2212 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2215 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2216 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2218 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2222 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2223 decls into the global scope after stripping template bits
2224 and setting DECL_ANTICIPATED.
2226 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2229 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2231 * name-lookup.h (push_namespace): Adjust declaration.
2232 * parser.c (cp_parser_namespace_definition): Check push_namespace
2235 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2238 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2239 decls into the global scope after stripping template bits
2240 and setting DECL_ANTICIPATED.
2242 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2244 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2245 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2247 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2251 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2253 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2254 on the qualified_id then propagate it to the resulting
2256 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2258 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2259 its REF_PARENTHESIZED_P flag.
2261 2016-05-25 Jason Merrill <jason@redhat.com>
2265 * cp-tree.h (enum tag_types): Add scope_type.
2266 * parser.c (cp_parser_class_name): Use scope_type.
2267 (prefer_type_arg): Handle scope_type.
2268 (cp_parser_lookup_name): Use prefer_type_arg.
2269 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2270 int prefer_type, use lookup_flags.
2271 * name-lookup.h: Adjust.
2273 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2275 * parser.c (cp_parser_oacc_declare): Add support for
2276 GOMP_MAP_FIRSTPRIVATE_POINTER.
2277 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2278 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2280 (handle_omp_array_sections): Replace bool is_omp argument with enum
2281 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2282 (finish_omp_clauses): Add specific errors and warning messages for
2283 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2284 call to handle_omp_array_sections.
2286 2016-05-24 Jason Merrill <jason@redhat.com>
2289 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2291 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2293 2016-05-24 Martin Sebor <msebor@redhat.com>
2296 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2297 * pt.c (instantiate_class_template_1): Try to complete the element
2298 type of a flexible array member.
2299 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2300 * typeck.c (complete_type): Also complete the type of the elements of
2301 arrays with an unspecified bound.
2303 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2306 * typeck2.c (check_narrowing): Check pedwarn return value.
2308 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2311 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2312 For OMP_CLAUSE_LINEAR_REF don't require type to be
2313 integral or pointer.
2315 2016-05-24 Richard Biener <rguenther@suse.de>
2319 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2320 * constexpr.c (cxx_eval_array_reference): Handle indexed
2322 * typeck.c (cp_build_array_ref): Adjust.
2324 2016-05-23 Jason Merrill <jason@redhat.com>
2327 * constexpr.c (cxx_eval_call_expression): Check for
2328 fun == current_function_decl again.
2331 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2332 maybe_undo_parenthesized_ref.
2335 * pt.c (tsubst_copy): Just return a local variable from
2336 non-template context. Don't call rest_of_decl_compilation for
2337 duplicated static locals.
2338 (tsubst_decl): Set DECL_CONTEXT of local static from another
2341 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2344 * method.c (forward_parm): Use cp_build_reference_type.
2346 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2349 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2351 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2353 * pt.c (check_for_bare_parameter_packs): Improve error message
2354 location for expressions.
2356 2016-05-20 Nathan Sidwell <nathan@acm.org>
2358 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2360 (cxx_eval_call_expression): Fix comment grammar.
2362 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2365 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2366 and return immediately in case of erroneous code.
2368 2016-05-19 Marek Polacek <polacek@redhat.com>
2371 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2373 2016-05-19 Jason Merrill <jason@redhat.com>
2376 * pt.c (fn_type_unification): Add outer template args if needed.
2377 (type_unification_real): Handle getting full args.
2379 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2382 * parser.c (cp_parser_operator): For array new/delete, check that
2383 cp_parser_require returned a non-NULL token before dereferencing
2386 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2388 * decl.c (finish_enum_value_list): Use the specified mode.
2390 2016-05-18 Jason Merrill <jason@redhat.com>
2392 * pt.c (value_dependent_expression_p): Tweak new cases to better
2393 match the wording in the standard.
2395 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2398 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2399 when the previous cp_lexer_peek_token returns CPP_EOF.
2401 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2404 * call.c (convert_like_real): Check that we are actually converting
2407 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2409 * decl.c (grokdeclarator): Remove errmsg and use of
2410 targetm.invalid_return_type.
2411 (grokparms): Remove errmsg and use of
2412 targetm.invalid_parameter_type.
2414 2016-05-13 Jason Merrill <jason@redhat.com>
2418 * pt.c (tsubst_decl): Use uses_template_parms.
2419 (instantiate_template_1): Handle non-dependent calls in templates.
2420 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2421 (type_dependent_expression_p): Only consider innermost template args.
2422 (dependent_template_arg_p): Check enclosing class of a template here.
2423 (dependent_template_p): Not here.
2424 (type_dependent_object_expression_p): New.
2425 * typeck.c (finish_class_member_access_expr): Use it.
2426 * parser.c (cp_parser_postfix_expression): Use it.
2427 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2428 to detect the current instantiation.
2429 (cp_parser_lookup_name): Really implement DR 141.
2430 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2431 (any_dependent_bases_p): Split out from...
2432 * name-lookup.c (do_class_using_decl): ...here.
2433 * call.c (build_new_method_call_1): Use it.
2434 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2435 * tree.c (non_static_member_function_p): Remove.
2436 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2438 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2439 complete_type_or_else for unknown_type_node, too.
2441 2016-05-12 Marek Polacek <polacek@redhat.com>
2444 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2445 * cp-tree.h (cp_build_modify_expr): Update declaration.
2446 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2448 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2449 cp_build_modify_expr.
2450 * decl2.c (set_guard): Likewise.
2451 (handle_tls_init): Likewise.
2452 * init.c (perform_member_init): Likewise.
2453 (expand_virtual_init): Likewise.
2454 (build_new_1): Likewise.
2455 (build_vec_delete_1): Likewise.
2456 (get_temp_regvar): Likewise.
2457 (build_vec_init): Likewise.
2458 * method.c (do_build_copy_assign): Likewise.
2459 (assignable_expr): Likewise.
2460 * semantics.c (finish_omp_for): Likewise.
2461 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2463 (cp_pointer_int_sum): Add location parameter. Pass it down to
2465 (pointer_diff): Add location parameter. Use it.
2466 (build_modify_expr): Pass location down to cp_build_modify_expr.
2467 (cp_build_modify_expr): Add location parameter. Use it.
2468 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2469 * typeck2.c (cxx_incomplete_type_diagnostic,
2470 cxx_incomplete_type_error): Add location parameter.
2472 2016-05-11 Marek Polacek <polacek@redhat.com>
2475 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2477 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2479 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2480 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2482 2016-05-04 Marek Polacek <polacek@redhat.com>
2484 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2485 with OPT_Wdangling_else.
2487 2016-05-03 Martin Sebor <msebor@redhat.com>
2490 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2491 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2493 2016-05-03 Marek Polacek <polacek@redhat.com>
2496 * call.c (build_cxx_call): Pass location and vNULL down to
2497 check_builtin_function_arguments.
2499 2016-05-03 Richard Biener <rguenther@suse.de>
2501 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2502 the checksum from the previous stage.
2504 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2507 * typeck.c (finish_class_member_access_expr): When
2508 giving a hint about a possibly-misspelled member name,
2509 add a fix-it replacement hint.
2511 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2513 * cp-tree.h (finish_omp_clauses): Update prototype.
2514 * parser.c (cp_parser_oacc_all_clauses): Update call to
2516 (cp_parser_omp_all_clauses): Likewise.
2517 (cp_parser_omp_for_loop): Likewise.
2518 (cp_omp_split_clauses): Likewise.
2519 (cp_parser_oacc_cache): Likewise.
2520 (cp_parser_oacc_loop): Likewise.
2521 (cp_parser_omp_declare_target):
2522 (cp_parser_cilk_simd_all_clauses): Likewise.
2523 (cp_parser_cilk_for): Likewise.
2524 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2525 arguments with enum c_omp_region_type ort.
2526 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2527 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2528 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2529 (tsubst_expr): Update calls to tsubst_omp_clauses.
2530 * semantics.c (finish_omp_clauses): Replace bool arguments
2531 allow_fields, declare_simd, and is_cilk with bitmask ort.
2532 (finish_omp_for): Update call to finish_omp_clauses.
2534 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2537 * parser.c (cp_parser_class_head): Capture the start location;
2538 use it to emit a fix-it insertion hint when complaining
2539 about missing "template <> " in explicit specializations.
2541 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2543 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2545 2016-05-02 Richard Biener <rguenther@suse.de>
2547 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2550 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2553 * class.c (check_field_decl): Remove final int* parameter, change
2554 the return type to bool; fix logic in order not to reject multiple
2555 initialized fields in anonymous struct.
2556 (check_field_decls): Adjust call.
2558 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2561 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2562 OACC_LOOP_CLAUSE_MASK.
2563 (cp_parser_oacc_kernels_parallel): Update call to
2564 c_oacc_split_loop_clauses.
2566 2016-04-28 Jason Merrill <jason@redhat.com>
2568 Implement C++17 [[nodiscard]] attribute.
2571 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2572 * tree.c (handle_nodiscard_attribute): New.
2573 (cxx_attribute_table): Add [[nodiscard]].
2574 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2575 (maybe_warn_nodiscard): New.
2576 (convert_to_void): Call it.
2578 * cvt.c (cp_get_callee): New.
2579 * constexpr.c (get_function_named_in_call): Use it.
2580 * cxx-pretty-print.c (postfix_expression): Use it.
2581 * except.c (check_noexcept_r): Use it.
2582 * method.c (check_nontriv): Use it.
2583 * tree.c (build_aggr_init_expr): Use it.
2584 * cp-tree.h: Declare it.
2586 2015-04-27 Ryan Burn <contact@rnburn.com>
2587 Jeff Law <law@redhat.com>
2591 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2592 instead of cilk_detect_spawn_and_unwrap.
2593 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2595 (cilk_cp_detect_spawn_and_unwrap): New.
2596 * lambda.c: Include cp-cilkplus.h.
2597 * parser.c: Include cp-cilkplus.h.
2598 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2599 * cp-cilkpus.h: New file.
2601 2016-04-27 Nathan Sidwell <nathan@acm.org>
2603 * constexpr.c (get_fundef_copy): Use the original function for
2604 non-recursive evaluations.
2605 (save_fundef_copy): Always expect a slot to be available.
2607 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2609 * parser.c (cp_parser_postfix_expression): Call
2610 warn_for_memset instead of warning directly here.
2612 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2615 * decl.c (build_enumerator): Set current_access_specifier when
2616 declaring an enumerator belonging to an in-class enumeration.
2617 * parser.c (cp_parser_check_access_in_redecleration): Also
2618 consider in-class enumerations.
2620 2016-04-26 Marek Polacek <polacek@redhat.com>
2623 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2624 instead of stabilize_reference.
2625 (build_over_call): Likewise.
2626 * cp-tree.h (cp_stabilize_reference): Declare.
2627 * tree.c (cp_stabilize_reference): New function.
2628 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2629 stabilize_reference.
2630 (unary_complex_lvalue): Likewise.
2631 (cp_build_modify_expr): Likewise.
2633 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2636 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2639 2016-04-25 Jason Merrill <jason@redhat.com>
2641 * tree.c (std_attribute_table): New.
2642 (init_tree): Register it.
2644 2016-04-22 Jason Merrill <jason@redhat.com>
2646 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2648 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2650 * name-lookup.c (free_saved_scope): New free list of saved_scope
2652 (push_to_top_level): Attempt to reuse a saved_scope struct
2653 from free_saved_scope instead of allocating a new one each time.
2654 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2655 onto free_saved_scope.
2657 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2660 * semantics.c (process_outer_var_ref): Unconditionally return
2661 error_mark_node when mark_used returns false.
2663 2016-04-21 Marek Polacek <polacek@redhat.com>
2666 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2667 extra qualification.
2669 2016-04-20 Nathan Sidwell <nathan@acm.org>
2672 * init.c (build_vec_delete_1): Protect operator delete call in try
2674 (build_delete): Likewise.
2675 * optimize.c (build_delete_destructor_body): Likewise.
2677 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2680 * cp-tree.h (finish_omp_clauses): Add new default argument.
2681 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2682 instead of c_finish_cilk_clauses.
2683 * semantics.c (finish_omp_clauses): Add new argument. Allow
2684 floating-point variables in the linear clause for Cilk Plus.
2686 2016-04-20 Nathan Sidwell <nathan@acm.org>
2688 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2691 2016-04-19 Jason Merrill <jason@redhat.com>
2694 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2695 * pt.c (make_pack_expansion): Call mark_exp_read.
2696 * semantics.c (finish_id_expression): Call mark_type_use in
2697 unevaluated context.
2700 * call.c (implicit_conversion): If we choose a copy constructor
2701 for list-initialization from the same type, the conversion is an
2704 * constexpr.c (breaks): Handle EXIT_EXPR.
2705 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2706 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2711 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2714 * pt.c (tsubst_expr): Remove shadowing declaration.
2715 (tsubst_pack_expansion): Add assert.
2717 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2720 * name-lookup.c (qualified_lookup_using_namespace): Look through
2723 2016-04-18 Michael Matz <matz@suse.de>
2725 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2726 (layout_class_type): Ditto.
2727 (build_base_field): Use SET_DECL_ALIGN.
2728 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2729 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2730 (record_unknown_type): Use SET_TYPE_ALIGN.
2731 (cxx_init_decl_processing): Ditto.
2732 (copy_type_enum): Ditto.
2733 (grokfndecl): Use SET_DECL_ALIGN.
2734 (copy_type_enum): Use SET_TYPE_ALIGN.
2735 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2737 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2738 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2739 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2740 * rtti.c (emit_tinfo_decl): Ditto.
2742 2016-04-18 Jason Merrill <jason@redhat.com>
2746 * class.c (type_maybe_constexpr_default_constructor): New.
2747 (type_has_constexpr_default_constructor): Revert.
2749 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2753 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2754 (handle_com_interface_attribute): Delete.
2756 2016-04-15 Jason Merrill <jason@redhat.com>
2759 * constexpr.c (get_fundef_copy): Handle null *slot.
2762 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2763 unknown_type_node, too.
2765 2016-04-15 Jason Merrill <jason@redhat.com>
2766 Nathan Sidwell <nathan@acm.org>
2769 * constexpr.c (constexpr_call_table): Preserve in GC.
2770 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2771 (fundef_copies_table): Preserve in GC. Change to pointer to
2773 (maybe_initialize_fundef_copies_table): Adjust.
2774 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2775 (save_fundef_copy): Adjust for a TREE_LIST.
2776 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2777 (fini_constexpr): New.
2778 * cp-tree.h (fini_constexpr): Declare.
2779 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2781 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2784 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2786 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2787 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2788 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2789 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2790 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2791 cp_parser_statement.
2792 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2793 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2794 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2795 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2796 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2797 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2798 cp_parser_omp_taskloop, cp_parser_omp_construct,
2799 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2800 Add IF_P argument, pass it down where needed.
2801 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2802 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2805 2016-04-14 Jason Merrill <jason@redhat.com>
2808 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2809 * typeck2.c (split_nonconstant_init_1): Use it.
2812 * class.c (type_has_constexpr_default_constructor): Return true
2813 for an implicitly declared constructor.
2816 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2817 (cp_parser_simple_declaration): Pass it.
2818 (strip_declarator_types): New.
2821 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2822 initializer also makes the variable value-dependent.
2825 * constexpr.c (cxx_eval_store_expression): Also copy
2826 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2828 2016-04-14 Martin Sebor <msebor@redhat.com>
2833 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2835 2016-04-14 Jason Merrill <jason@redhat.com>
2837 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2838 parameter ABI change.
2840 2016-04-13 Martin Sebor <msebor@redhat.com>
2845 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2847 * decl.c (check_initializer, cp_finish_decl): Call them.
2848 (reshape_init_r): Reject incompletely braced intializer-lists
2850 * init.c (throw_bad_array_length, build_vla_check)
2851 (build_vla_size_check, build_vla_init_check): Define new functions.
2852 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2854 (store_init_value): Same.
2856 2016-04-13 Jason Merrill <jason@redhat.com>
2858 Warn about empty parameter ABI with -Wabi=9.
2859 * call.c (empty_class_msg, mark_for_abi_warning)
2860 (warn_empty_class_abi): New.
2861 (build_call_a): Use them.
2862 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2863 * error.c (pp_format_to_string): New.
2865 Pass empty class parameters like C.
2866 * call.c (pass_as_empty_struct, empty_class_arg): New.
2867 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2868 (build_call_a): Use empty_class_arg.
2869 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2870 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2872 2016-04-13 Jason Merrill <jason@redhat.com>
2875 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2877 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2880 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2881 avoidance mechanism.
2883 2016-04-13 Jason Merrill <jason@redhat.com>
2886 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2887 from instantiation_dependent_expression_p.
2888 (value_dependent_expression_p): Use it for unevaluated operands.
2889 (instantiation_dependent_r): Don't check value-dependence.
2890 (instantiation_dependent_expression_p): Check
2891 value-dependence of the expression as a whole.
2892 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2893 * semantics.c (finish_decltype_type): Use it.
2895 * constexpr.c (potential_nondependent_constant_expression): New.
2896 (potential_nondependent_static_init_expression): New.
2897 (maybe_constant_value_1, fold_non_dependent_expr)
2898 (maybe_constant_init): Use them.
2899 * pt.c (instantiate_non_dependent_expr_sfinae)
2900 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2902 * cp-tree.h: Declare them.
2904 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2907 * decl.c (pop_labels_1): Removed.
2908 (note_label, sort_labels): New functions.
2909 (pop_labels): During named_labels traversal, just push the slot
2910 pointers into a vector, then qsort it by DECL_UID and only then
2911 call pop_label and chain it into BLOCK_VARS.
2913 2016-04-13 Jason Merrill <jason@redhat.com>
2916 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2917 (cp_gimplify_expr): Not here.
2919 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2922 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2924 * typeck.c (build_x_conditional_expr): Unconditionally remember
2925 that the result is an lvalue or xvalue.
2927 2016-04-12 Jason Merrill <jason@redhat.com>
2929 * class.c (is_really_empty_class): A zero-length array is empty.
2930 An unnamed bit-field doesn't make a class non-empty.
2932 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2935 * parser.c (cp_parser_cache_defarg): When file ends in default
2936 argument simply return error_mark_node.
2938 2016-04-12 Nathan Sidwell <nathan@acm.org>
2941 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2944 2016-04-11 Jason Merrill <jason@redhat.com>
2946 * mangle.c (decl_is_template_id): The template itself counts as a
2949 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2953 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2954 on the result if it's not a CONSTRUCTOR.
2956 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2959 * constexpr.c (find_constructor): New function.
2960 (unshare_constructor): New function.
2961 (cxx_eval_call_expression): Use unshare_constructor instead of
2963 (find_array_ctor_elt): Likewise.
2964 (cxx_eval_vec_init_1): Likewise.
2965 (cxx_eval_store_expression): Likewise.
2966 (cxx_eval_constant_expression): Likewise.
2968 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2971 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2972 potentially generating a future -Wparentheses warning in its
2975 2016-04-06 Jason Merrill <jason@redhat.com>
2977 * class.c (check_abi_tags): Fix function template handling.
2979 2016-04-05 Nathan Sidwell <nathan@acm.org>
2982 * class.c (fixup_may_alias): New.
2983 (fixup_attribute_variants): Call it.
2985 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2988 * constexpr.c (struct fundef_copy): New struct.
2989 (struct fundef_copies_table_t): New struct.
2990 (fundef_copies_table): New static variable.
2991 (maybe_initialize_fundef_copies_table): New static function.
2992 (get_fundef_copy): New static function.
2993 (save_fundef_copy): New static function.
2994 (cxx_eval_call_expression): Use get_fundef_copy, and
2996 (constexpr_call_table): Add "deletable" GTY marker.
2998 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3001 * cp-tree.h (class cache_map): Remove.
3002 * constexpr.c (cv_cache): Change type to
3003 GTY((deletable)) hash_map<tree, tree> *.
3004 (maybe_constant_value): Adjust following the change to cv_cache.
3005 (clear_cv_cache): New static function.
3006 (clear_cv_and_fold_caches): Use it.
3007 * cp-gimplify.c (fold_cache): Change type to
3008 GTY((deletable)) hash_map<tree, tree> *.
3009 (clear_fold_cache): Adjust following the change to fold_cache.
3010 (cp_fold): Likewise.
3012 2016-04-02 Martin Sebor <msebor@redhat.com>
3018 * constexpr.c (diag_array_subscript): New function.
3019 (cxx_eval_array_reference): Detect out of bounds array indices.
3021 2016-04-01 Jason Merrill <jason@redhat.com>
3025 * pt.c (instantiate_decl): A function isn't fully defined if
3026 DECL_INITIAL is error_mark_node.
3027 * constexpr.c (cxx_eval_call_expression): Likewise.
3029 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3030 Marek Polacek <polacek@redhat.com>
3033 * init.c (warn_placement_new_too_small): Test whether
3034 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
3036 2016-04-01 Nathan Sidwell <nathan@acm.org>
3039 * decl.c (check_redeclaration_exception_specification): Check
3040 regardless of -fno-exceptions.
3041 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3042 flag_exceptions too.
3044 2016-03-31 Nathan Sidwell <nathan@acm.org>
3046 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3047 (finish_destructor_body): Don't emit operator delete here.
3049 2016-03-31 Nathan Sidwell <nathan@acm.org>
3052 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3053 elements in field order.
3055 2016-03-31 Marek Polacek <polacek@redhat.com>
3058 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3060 2016-03-31 Richard Biener <rguenther@suse.de>
3063 * typeck.c (cp_build_binary_op): Fix operand order of vector
3064 conditional in truth op handling.
3066 2016-03-29 Jason Merrill <jason@redhat.com>
3069 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3070 in constexpr functions.
3072 2016-03-28 Jason Merrill <jason@redhat.com>
3077 * decl.c, pt.c, constexpr.c: Revert last patch.
3079 2016-03-25 Jason Merrill <jason@redhat.com>
3080 Martin Liška <mliska@suse.cz>
3085 * decl.c (cp_fname_init): Decay the initializer to pointer.
3086 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3087 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3088 Don't call cp_finish_decl.
3089 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3090 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3091 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3092 Handle DECL_VALUE_EXPR.
3094 2016-03-24 Jason Merrill <jason@redhat.com>
3097 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3100 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3103 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3106 * tree.c (build_cplus_array_type): Determine type-dependentess
3107 with uses_template_parms instead of with dependent_type_p.
3109 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3112 * typeck.c (process_init_constructor_union): If the initializer
3113 is empty, use the union's NSDMI if it has one.
3115 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3118 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3119 NSDMI that's part of an aggregrate initialization.
3121 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3124 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3125 for 1..max even for multi-dimensional arrays. Call unshare_expr
3129 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3130 on TREE_OVERFLOW constants.
3133 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3134 for OMP_TASKLOOP here.
3135 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3136 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3138 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3139 Jason Merrill <jason@redhat.com>
3140 Jakub Jelinek <jakub@redhat.com>
3143 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3144 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3145 (finish_function): Don't set or test them.
3146 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3148 2016-03-23 Jason Merrill <jason@redhat.com>
3151 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3153 2016-03-23 Marek Polacek <polacek@redhat.com>
3156 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3158 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3160 * call.c (build_conditional_expr_1): Always use original
3161 condition type for vector type checks and build.
3163 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3166 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3168 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3171 * constexpr.c (non_const_var_error): Check
3172 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3174 2016-03-21 Richard Henderson <rth@redhat.com>
3177 * decl.c (notice_forced_label_r): New.
3178 (cp_finish_decl): Use it.
3180 2016-03-21 Jason Merrill <jason@redhat.com>
3183 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3185 2016-03-18 Jason Merrill <jason@redhat.com>
3188 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3191 * class.c (vptr_via_virtual_p): New.
3192 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3193 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3194 a vptr from any virtual base in a not-in-charge 'structor.
3196 * decl.c (build_clobber_this): Factor out of
3197 start_preparsed_function and begin_destructor_body. Handle
3198 virtual bases better.
3200 * class.c (build_if_in_charge): Split out from build_base_path.
3201 * init.c (expand_virtual_init, expand_default_init): Use it.
3202 * call.c (build_special_member_call): Use it.
3204 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3207 * init.c (build_new_1): Complain and return error_mark_node
3208 if alloc_fn is not _Jv_AllocObject function returning pointer.
3210 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3213 * search.c (adjust_result_of_qualified_name_lookup): Don't
3214 update the BASELINK_BINFO of DECL if the second call
3215 to lookup_base fails.
3217 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3220 * parser.c (cp_parser_lambda_expression): Move call to
3221 pop_deferring_access_checks ahead of the call to
3222 cp_parser_end_tentative_firewall.
3224 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3227 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3228 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3229 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3231 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3232 if magic_varargs_p == 1, call decay_conversion
3233 instead of mark_type_use. Don't store error_mark_node arguments to
3234 argarray, instead return error_mark_node.
3237 * decl.c (begin_destructor_body): Don't insert clobber if
3238 is_empty_class (current_class_type).
3240 2016-03-17 Marek Polacek <polacek@redhat.com>
3243 * typeck.c (warn_for_null_address): New function.
3244 (cp_build_binary_op): Call it.
3246 2016-03-16 Jason Merrill <jason@redhat.com>
3249 * decl.c (start_preparsed_function): Don't clobber an empty base.
3251 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3254 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3255 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3258 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3259 set in_base_initializer.
3261 2016-03-15 Marek Polacek <polacek@redhat.com>
3264 * tree.c (strip_typedefs): Call strip_typedefs again on the
3265 DECL_ORIGINAL_TYPE result.
3267 2016-03-15 Jason Merrill <jason@redhat.com>
3270 * pt.c (instantiate_decl): Fix call to variable_template_p.
3273 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3275 2016-03-14 Casey Carter <casey@carter.net>
3276 Jason Merrill <jason@redhat.com>
3278 P0184R0: Generalizing the Range-Based For Loop
3279 * parser.c (cp_convert_range_for): Set the type of __end separately.
3280 (cp_parser_perform_range_for_lookup): Allow different begin/end
3281 types if they are comparable.
3283 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3286 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3287 processing_template_decl and EXPR is a SCOPE_REF.
3289 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3290 Jakub Jelinek <jakub@redhat.com>
3293 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3294 return value from cxx_eval_constant_expression from earlier
3295 elements if it is valid constant initializer requiring no
3298 2016-03-10 Marek Polacek <polacek@redhat.com>
3301 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3303 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3305 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3306 when calling c_finish_omp_clauses.
3308 2016-03-08 Jason Merrill <jason@redhat.com>
3310 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3311 diagnostic for use of "concept".
3312 (cp_parser_requires_clause_opt): And "requires".
3313 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3314 (cp_parser_explicit_template_declaration): Adjust.
3315 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3317 P0036R0: Unary Folds and Empty Parameter Packs
3318 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3320 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3323 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3324 even after the last iteration of the loop.
3326 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3328 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3331 * pt.c (get_template_info): Handle PARM_DECL.
3332 (template_class_depth): Check DECL_P instead of
3333 VAR_OR_FUNCTION_DECL_P.
3335 2016-03-05 Jason Merrill <jason@redhat.com>
3338 * constexpr.c (cxx_eval_store_expression): Replace
3339 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3341 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3344 * pt.c (template_class_depth): Given a lambda type, iterate
3345 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3346 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3349 2016-03-04 Jason Merrill <jason@redhat.com>
3352 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3353 * init.c (build_vec_delete_1): Set it.
3354 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3356 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3358 * decl.c (start_preparsed_function): Don't emit start clobber at the
3359 start of constructor clones.
3362 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3363 * decl.c (start_preparsed_function): Call
3364 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3365 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3366 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3368 2016-03-04 Jason Merrill <jason@redhat.com>
3371 * constexpr.c (cxx_eval_component_reference): Further tweak.
3373 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3374 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3375 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3376 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3379 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3382 2016-03-03 Jason Merrill <jason@redhat.com>
3384 * method.c (synthesized_method_walk): operator= can also be constexpr.
3386 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3387 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3390 * pt.c (copy_template_args): New.
3391 (tsubst_pack_expansion): Use it.
3393 * call.c (build_aggr_conv): Use get_nsdmi.
3396 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3399 * constexpr.c (cxx_eval_component_reference): Just return an empty
3400 CONSTRUCTOR for an empty class.
3402 2016-03-01 Jason Merrill <jason@redhat.com>
3405 * parser.c (cp_parser_requires_clause): Call
3406 check_for_bare_parameter_packs.
3409 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3413 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3414 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3415 [TARGET_EXPR]: Unshare init.
3417 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3421 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3424 2016-02-28 Jason Merrill <jason@redhat.com>
3427 * constexpr.c (cxx_eval_store_expression): Unshare init.
3429 2016-02-26 Jason Merrill <jason@redhat.com>
3432 * pt.c (make_argument_pack): New.
3433 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3434 (tsubst_copy_and_build): Likewise.
3436 2016-02-25 Jason Merrill <jason@redhat.com>
3439 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3440 * tree.c (build_aggr_init_expr): Set it.
3441 * semantics.c (simplify_aggr_init_expr): Check it.
3442 * cp-gimplify.c (cp_genericize_r): Don't walk into
3443 a call/aggr_init from a thunk.
3446 * method.c (forward_parm): Handle parameter packs.
3447 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3450 * constexpr.c (cxx_eval_component_reference): Don't complain about
3451 unevaluated empty classes.
3454 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3456 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3459 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3460 (maybe_undo_parenthesized_ref): Declare.
3461 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3463 (finish_call_expr): Use it.
3464 * typeck.c (check_return_expr): Use it.
3465 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3466 REF_PARENTHESIZED_P flag.
3468 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3471 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3473 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3475 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3476 unless they are folded into INTEGER_CST, error_mark_node or some
3477 comparison with NULL, avoid folding them and use either the original
3478 comparison or non-folded comparison of folded arguments.
3479 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3480 comparison, don't fold the comparison right away.
3482 2016-02-24 Jason Merrill <jason@redhat.com>
3485 * friend.c (make_friend_class): Likewise.
3486 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3488 2016-02-24 Jason Merrill <jason@redhat.com>
3491 * pt.c (instantiate_class_template_1): Set
3492 processing_template_decl before substituting friend_type.
3494 016-02-24 Martin Sebor <msebor@redhat.com>
3497 * tree.c (build_ctor_subob_ref): Compare types' main variants
3498 instead of the types as they are.
3500 2016-02-24 Jason Merrill <jason@redhat.com>
3502 * decl.c (start_preparsed_function): Condition ctor clobber on
3503 flag_lifetime_dse > 1.
3505 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3507 2016-02-19 Jason Merrill <jason@redhat.com>
3510 * call.c (remaining_arguments): No longer static.
3511 * cp-tree.h: Declare it.
3512 * pt.c (more_specialized_fn): Use it.
3514 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3515 Bernd Edlinger <bernd.edlinger@hotmail.de>
3517 * Make-lang.in: Invoke gperf with -L C++.
3518 * cfns.gperf: Remove prototypes for hash and libc_name_p
3520 * cfns.h: Regenerated.
3521 * except.c (nothrow_libfn_p): Adjust.
3523 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3526 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3527 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3529 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3532 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3534 * semantics.c (finish_call_expr): Don't assume a constructor
3535 call is dependent if only the "this" pointer is dependent. When
3536 building a constructor call, always use a dummy object.
3538 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3541 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3543 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3544 operators if folding preserved the binop, just with different
3548 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3549 attr_spec is always single element chain, chain all the attributes
3550 properly together in the right order.
3552 2016-02-18 Jason Merrill <jason@redhat.com>
3554 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3556 (mangle_decl): Call maybe_check_abi_tags for function scope.
3557 (mangle_guard_variable): Call maybe_check_abi_tags here.
3558 (write_guarded_var_name): Not here.
3560 2016-02-17 Jason Merrill <jason@redhat.com>
3563 * constexpr.c (build_constexpr_constructor_member_initializers):
3564 Handle an additional STATEMENT_LIST.
3567 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3570 * decl2.c (reset_type_linkage_2): Look through member templates.
3572 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3575 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3577 2016-02-17 Jason Merrill <jason@redhat.com>
3580 * method.c (forward_parm): Split out from...
3581 (add_one_base_init): ...here.
3582 * lambda.c (maybe_add_lambda_conv_op): Use it.
3584 2016-02-16 Jason Merrill <jason@redhat.com>
3588 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3589 tree.c, typeck2.c: Revert earlier changes.
3590 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3591 non-type templates after -> or .
3593 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3596 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3598 2016-02-16 Jason Merrill <jason@redhat.com>
3601 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3602 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3603 * name-lookup.h: Adjust.
3605 2016-02-16 James Norris <jnorris@codesourcery.com>
3607 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3608 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3610 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3613 * init.c (expand_default_init): Only call reshape_init
3614 in the direct-initialization from an initializer list case.
3616 2016-02-15 Jason Merrill <jason@redhat.com>
3619 * semantics.c (finish_call_expr): Implicit 'this' does not make
3621 * search.c (any_dependent_bases_p): Split out...
3622 * name-lookup.c (do_class_using_decl): ...from here.
3623 * call.c (build_new_method_call_1): Don't complain about missing object
3624 if there are dependent bases. Tweak error.
3625 * tree.c (non_static_member_function_p): Remove.
3626 * pt.c (type_dependent_expression_p): A member template of a
3627 dependent type is dependent.
3628 * cp-tree.h: Adjust.
3631 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3633 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3636 * pt.c (lookup_and_finish_template_variable): New function,
3638 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3639 (tsubst_qualified_id): Consider that EXPR might be a variable
3641 * typeck.c (check_template_keyword): Don't emit an error
3642 if DECL is a variable template.
3644 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3646 * error.c: Spelling fixes - behaviour -> behavior and
3647 neighbour -> neighbor.
3649 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3651 * init.c (build_delete): Likewise.
3653 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3656 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3657 arguments for -Waddress warning. Fix up formatting.
3659 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3662 * pt.c (lookup_template_class_1): Check tsubst return value for
3665 2016-02-10 Jason Merrill <jason@redhat.com>
3668 * pt.c (resolve_nondeduced_context): Add complain parm.
3669 (do_auto_deduction): Pass it.
3670 * cvt.c (convert_to_void): Likewise.
3671 * decl.c (cp_finish_decl): Likewise.
3672 * init.c (build_new): Likewise.
3673 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3674 * semantics.c (finish_decltype_type): Likewise.
3675 * typeck.c (decay_conversion): Likewise.
3676 * cp-tree.h: Adjust declaration.
3677 * call.c (standard_conversion): Add complain parm, pass it along.
3678 (implicit_conversion): Pass it.
3681 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3682 (lookup_name_real_1): Likewise.
3683 (remove_hidden_names): Handle non-functions too.
3686 * parser.c (cp_parser_lookup_name): When looking for a template
3687 after . or ->, only consider class templates.
3688 (cp_parser_postfix_dot_deref_expression): Handle the current
3689 instantiation. Remember a dependent object expression.
3690 * typeck2.c (build_x_arrow): Handle the current instantiation.
3692 * ptree.c (debug_tree): Implement for cp_expr.
3694 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3697 * parser.c (cp_parser_simple_type_specifier): Make the check
3698 for disambiguating between an 'auto' placeholder and an implicit
3699 template parameter more robust.
3701 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3705 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3706 setting its TREE_USED flag.
3708 2016-02-08 Jason Merrill <jason@redhat.com>
3711 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3714 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3717 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3718 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3720 2016-02-08 Marek Polacek <polacek@redhat.com>
3723 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3724 Call clear_fold_cache.
3725 * cp-tree.h: Adjust declaration.
3726 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3727 rather than clear_cv_cache and clear_fold_cache.
3728 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3730 2016-02-08 Jason Merrill <jason@redhat.com>
3732 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3733 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3734 (ocp_convert): Use *_maybe_fold.
3735 (cp_convert_to_pointer): Add dofold parameter.
3736 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3738 2016-02-05 Martin Sebor <msebor@redhat.com>
3741 * init.c (find_field_init): New function.
3742 (warn_placement_new_too_small): Call it. Handle one-element arrays
3743 at ends of structures special.
3745 2016-02-05 Jason Merrill <jason@redhat.com>
3748 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3749 make sure we've seen_error().
3751 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3754 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3755 if lookup_fnfields returns NULL_TREE and the name being looked
3756 up has the form A::A.
3758 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3760 * constexpr.c (cxx_eval_binary_expression): Fold equality
3761 comparisons involving PTRMEM_CSTs.
3763 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3765 * class.c (find_flexarrays): Don't declare dom variable.
3766 (diagnose_flexarray): Likewise.
3768 2016-02-02 Martain Sebor <msebor@redhat.com>
3775 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3776 of a flexible array member for equality to null.
3777 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3778 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3779 (check_flexarrays): Same.
3780 * decl.c (compute_array_index_type): Avoid special case for flexible
3782 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3784 * error.c (dump_type_suffix): Revert changes introduced in r231665
3785 and rendered unnecessary by the changes above.
3786 * pt.c (tsubst): Same.
3787 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3788 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3789 (process_init_constructor_array): Same.
3790 (process_init_constructor_record): Same.
3792 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3795 * pt.c (try_one_overload): Handle comparing argument packs so
3796 that there is no conflict if we deduced more arguments of an
3797 argument pack than were explicitly specified.
3799 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3800 Jason Merrill <jason@redhat.com>
3803 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3804 function type if nothing is changing.
3806 2016-01-31 Jason Merrill <jason@redhat.com>
3809 * pt.c (partial_specialization_p, impartial_args): New.
3810 (instantiate_decl): Call impartial_args.
3812 * mangle.c (maybe_check_abi_tags): New.
3813 (write_guarded_var_name): Call it.
3814 (mangle_ref_init_variable): Call check_abi_tags.
3816 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3817 between template and instantiation.
3819 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3822 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3823 function declarations.
3825 2016-01-29 Marek Polacek <polacek@redhat.com>
3829 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3830 out of bound" error earlier.
3831 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3834 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3836 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3837 structure, update free_binding_level before the structure's
3838 level_chain field gets cleared, not after.
3840 2016-01-28 Jason Merrill <jason@redhat.com>
3843 * search.c (dfs_walk_once, dfs_walk_once_r)
3844 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3845 hash_set instead of BINFO_MARKED.
3846 (dfs_unmark_r): Remove.
3848 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3851 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3852 (cp_lexer_debugging_p): Use it.
3853 (cp_lexer_start_debugging): Likewise.
3854 (cp_lexer_stop_debugging): Likewise.
3856 2016-01-27 Marek Polacek <polacek@redhat.com>
3859 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3860 needed. Add -Wsign-compare warning.
3862 2016-01-27 Ryan Burn <contact@rnburn.com>
3865 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3866 superfluous post_p argument in call to
3867 cilk_gimplify_call_params_in_spawned_fn.
3869 2016-01-27 Marek Polacek <polacek@redhat.com>
3872 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3873 wrapped in NOP_EXPRs.
3875 2016-01-27 Martin Sebor <msebor@redhat.com>
3878 * mangle.c (mangle_decl): Reference the correct (saved) version
3879 of the ABI in -Wabi diagnostics.
3881 2016-01-27 Marek Polacek <polacek@redhat.com>
3884 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3885 elements of the array.
3887 2016-01-26 Jason Merrill <jason@redhat.com>
3890 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3891 (cxx_eval_call_expression): Don't look through clones.
3892 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3893 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3894 maybe-in-charge *tor.
3896 2016-01-26 Jason Merrill <jason@redhat.com>
3899 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3900 and TREE_SIDE_EFFECTS.
3901 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3902 verify_constructor_flags.
3904 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3907 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3908 return error_mark_node instead of building trees with error_mark_node
3911 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3914 * error.c (print_instantiation_partial_context_line): Add missing
3915 newlines from output for the t == NULL case.
3916 (print_instantiation_partial_context): Remove call to pp_newline.
3918 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3921 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3926 * decl.c (grokdeclarator): Don't decay array parameter type to
3927 a pointer type if it's dependent.
3928 (grokparms): Invoke strip_top_quals instead of directly invoking
3929 cp_build_qualified_type.
3930 * pt.c (decay_dependent_array_parm_type): New static function.
3931 (type_unification_real): Call decay_dependent_array_parm_type
3932 to decay a dependent array parameter type to its corresponding
3933 pointer type before unification.
3934 (more_specialized_fn): Likewise.
3935 (get_bindings): Likewise.
3936 * tree.c (cp_build_qualified_type): Trivial typofix in
3939 2016-01-23 Martin Sebor <msebor@redhat.com>
3943 * decl2.c (is_late_template_attribute): Handle dependent argument
3944 to attribute align and attribute vector_size.
3946 2016-01-21 Jason Merrill <jason@redhat.com>
3949 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3950 for init-capture, too.
3953 * decl.c (type_is_deprecated): Don't look into a typedef.
3957 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3960 * decl.c (start_enum): Add attributes parameter.
3961 * parser.c (cp_parser_enum_specifier): Pass it.
3962 * pt.c (lookup_template_class_1): Pass it.
3963 * cp-tree.h: Adjust.
3965 2016-01-19 Jason Merrill <jason@redhat.com>
3968 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3970 2016-01-19 Marek Polacek <polacek@redhat.com>
3973 * constexpr.c (clear_cv_cache): New.
3974 * cp-gimplify.c (clear_fold_cache): New.
3975 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3976 * decl.c (finish_enum_value_list): Call them.
3979 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3981 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3986 * decl.c (grokdeclarator): Don't decay array parameter type to
3987 a pointer type if it's dependent.
3988 (grokparms): Invoke strip_top_quals instead of directly invoking
3989 cp_build_qualified_type.
3990 * pt.c (decay_dependent_array_parm_type): New static function.
3991 (type_unification_real): Call decay_dependent_array_parm_type
3992 to decay a dependent array parameter type to its corresponding
3993 pointer type before unification.
3994 (more_specialized_fn): Likewise.
3995 (get_bindings): Likewise.
3996 * tree.c (cp_build_qualified_type): Trivial typofix in
3999 2016-01-18 Jason Merrill <jason@redhat.com>
4001 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
4003 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
4006 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
4007 (contains_label_1, contains_label_p): Remove.
4009 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4012 * pt.c (type_dependent_expression_p): For a function template
4013 specialization, a type is dependent iff any of its template
4016 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4018 * cp-array-notation.c (cp_expand_cond_array_notations): Return
4019 error_mark_node only if find_rank failed, not if it was
4022 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4025 * tree.c (build_min_non_dep_call_vec): Don't retain the
4026 KOENIG_LOOKUP_P flag of the non-dependent expression that's
4028 (build_min_non_dep_op_overload): Instead, do it here.
4030 2016-01-15 Jakub Jelinek <jakub@redhat.com>
4033 * parser.h (cp_token): Remove pragma_kind field. Add comment
4034 with number of unused bits.
4035 * parser.c (eof_token): Remove pragma_kind field initializer.
4036 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
4037 field, don't clear CPP_PRAGMA u.value.
4038 (cp_parser_pragma_kind): New function.
4039 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4040 cp_parser_omp_construct, cp_parser_initial_pragma,
4041 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4044 2016-01-15 Jason Merrill <jason@redhat.com>
4047 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4049 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4053 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4054 array/function-to-pointer conversion. Call
4055 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4056 * call.c (convert_like_real): Print call context if
4057 decay_conversion errors.
4059 2016-01-14 Tom de Vries <tom@codesourcery.com>
4061 PR tree-optimization/68773
4062 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4065 2016-01-14 Jason Merrill <jason@redhat.com>
4068 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4070 2016-01-12 Marek Polacek <polacek@redhat.com>
4073 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4074 error_at and adjust the return value.
4076 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4080 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4081 GS_ERROR whenever seen_error (), only if *expr_p contains
4082 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4086 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4088 2016-01-11 Jason Merrill <jason@redhat.com>
4091 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4092 (process_subob_fn): Likewise. Don't consider triviality if true.
4093 (synthesize_method_walk): Pass it.
4095 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4098 * parser.c (cp_parser_postfix_expression): Initialize
4099 close_paren_loc to UNKNOWN_LOCATION; only use it if
4100 it has been written to by
4101 cp_parser_parenthesized_expression_list.
4102 (cp_parser_parenthesized_expression_list): Document the behavior
4103 with respect to the CLOSE_PAREN_LOC param.
4105 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4108 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4109 folded operands have side-effects, but folding changed any of them,
4110 build a new tree with the folded operands instead of returning the
4113 2016-01-09 Marek Polacek <polacek@redhat.com>
4116 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4118 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4121 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4123 2016-01-08 Jason Merrill <jason@redhat.com>
4126 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4129 2016-01-08 Marek Polacek <polacek@redhat.com>
4132 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4134 2016-01-08 Jason Merrill <jason@redhat.com>
4136 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4141 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4142 TREE_ADDRESSABLE type.
4146 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4148 2016-01-05 Nathan Sidwell <nathan@acm.org>
4151 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4154 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4156 Update copyright years.
4158 Copyright (C) 2016 Free Software Foundation, Inc.
4160 Copying and distribution of this file, with or without modification,
4161 are permitted in any medium without royalty provided the copyright
4162 notice and this notice are preserved.