1 2016-12-02 Jakub Jelinek <jakub@redhat.com>
4 * pt.c (tsubst_init): Don't call build_value_init if decl's type
7 2016-12-02 Cesar Philippidis <cesar@codesourcery.com>
8 James Norris <jnorris@codesourcery.com>
10 * parser.c (cp_parser_oacc_enter_exit_data): Update diagnostics.
11 (cp_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
12 EXIT_DATA,WAIT} are not used in compound statements.
14 2016-12-01 Jason Merrill <jason@redhat.com>
16 * call.c (add_function_candidate): Also exclude inherited ctors
17 that take a type reference-related to the derived class.
19 * call.c (add_function_candidate): Exclude inherited copy/move
22 2016-11-29 David Malcolm <dmalcolm@redhat.com>
25 * name-lookup.c (lookup_name_fuzzy): Filter out reserved words
26 that were filtered out by init_reswords.
28 2016-11-28 Jakub Jelinek <jakub@redhat.com>
29 Jason Merrill <jason@redhat.com>
32 * decl.c (finish_enum_value_list): Call fixup_type_variants on
33 current_class_type after
34 insert_late_enum_def_into_classtype_sorted_fields.
36 2016-11-28 Jakub Jelinek <jakub@redhat.com>
39 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
40 whats_returned through fold_for_warn.
42 2016-11-27 Jason Merrill <jason@redhat.com>
45 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
47 2016-11-24 Martin Liska <mliska@suse.cz>
50 * parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
52 2016-11-23 Jakub Jelinek <jakub@redhat.com>
55 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
56 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
57 with the object on lhs and maybe_constant_value returned expr on rhs.
60 * pt.c (tsubst_copy): Return error_mark_node when mark_used
61 fails, even when complain & tf_error.
64 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
65 false as handle_invisiref_parm_p to cp_genericize_tree.
66 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
67 (cp_genericize_r): Don't wrap is_invisiref_parm into references
68 if !wtd->handle_invisiref_parm_p.
69 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
70 set wtd.handle_invisiref_parm_p to it.
71 (cp_genericize): Pass true as handle_invisiref_parm_p to
72 cp_genericize_tree. Formatting fix.
74 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
77 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
78 Don't overload builtin functions with C++ functions.
79 Handle const_tm_ptr_type_node like file_ptr_node.
80 Copy the TREE_NOTHROW flag unmodified to the old decl.
82 2016-11-18 Jason Merrill <jason@redhat.com>
84 PR objc++/78418 - ICE in string tests on darwin
85 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
87 2016-11-18 Jakub Jelinek <jakub@redhat.com>
90 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
93 2016-11-18 Jason Merrill <jason@redhat.com>
95 PR c++/67631 - list-init and explicit conversions
96 * semantics.c (finish_compound_literal): Call digest_init_flags.
97 * typeck2.c (digest_init_flags): Add complain parm.
98 (store_init_value): Pass it.
100 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
101 Alan Hayward <alan.hayward@arm.com>
102 David Sherwood <david.sherwood@arm.com>
104 * class.c (finish_struct_bits): Use SET_DECL_MODE.
105 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
106 * decl.c (make_label_decl): Likewise.
107 * pt.c (tsubst_decl): Likewise.
109 2016-11-17 Jason Merrill <jason@redhat.com>
111 PR c++/78193 - inherited ctor regressions on sparc32.
112 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
113 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
114 (convert_like_real) [ck_rvalue]: Also pass non-addressable
115 types along directly.
117 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
120 * parser.c (cp_parser_non_integral_constant_expression): Issue a
121 pedwarn instead of an error for case NIC_FLOAT.
123 2016-11-17 Jason Merrill <jason@redhat.com>
125 PR c++/78124 - list-initialization and inherited ctor
126 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
128 PR c++/78369 - {} as default argument
129 * call.c (build_special_member_call): Handle CONSTRUCTOR.
132 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
134 2016-11-16 Jason Merrill <jason@redhat.com>
137 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
138 * typeck2.c (store_init_value): Likewise.
140 * decl.c (store_decomp_type, lookup_decomp_type): New.
141 (cp_finish_decomp): Call store_decomp_type.
142 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
143 * cp-tree.h: Declare lookup_decomp_type.
145 2016-11-15 Jakub Jelinek <jakub@redhat.com>
147 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
148 set DECL_ASSEMBLER_NAME.
149 * parser.c (cp_parser_decomposition_declaration): Likewise
150 if returning error_mark_node.
151 * mangle.c (mangle_decomp): New function.
152 * cp-tree.h (mangle_decomp): New declaration.
154 2016-11-15 Jason Merrill <jason@redhat.com>
157 * semantics.c (finish_decltype_type): Strip references for a tuple
159 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
161 * decl2.c (decl_maybe_constant_var_p): References qualify.
162 * constexpr.c (non_const_var_error): Handle references.
163 * init.c (constant_value_1): Always check decl_constant_var_p.
164 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
165 * error.c (dump_decl_name): Split out from dump_decl.
167 2016-11-14 Jason Merrill <jason@redhat.com>
169 * tree.c (bitfield_p): New.
170 * cp-tree.h: Declare it.
171 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
172 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
173 * decl.c (cp_finish_decomp): Look through reference. Always
174 SET_DECL_DECOMPOSITION_P.
175 * semantics.c (finish_decltype_type): Adjust decomposition handling.
177 2016-11-13 Jakub Jelinek <jakub@redhat.com>
178 Jason Merrill <jason@redhat.com>
180 Implement P0217R3 - C++17 structured bindings
181 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
182 (DECL_DECOMPOSITION_P): New
183 (enum auto_deduction_context): Add adc_decomp_type.
184 (enum cp_declarator_kind): Add cdk_decomp.
185 * constexpr.c (cxx_eval_constant_expression): Look through
187 (potential_constant_expression_1): Likewise.
188 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
189 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
190 (cp_finish_decl): Pass adc_decomp_type for decomposition.
191 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
192 (get_tuple_decomp_init, cp_finish_decomp): New.
193 (grokdeclarator): Handle decomposition.
194 * init.c (build_aggr_init): Handle decomposition array.
195 (build_vec_init): Handle initialization from { array }.
196 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
198 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
199 (function_declarator_p, strip_declarator_types)
200 (cp_parser_check_declarator_template_parameters): Likewise.
201 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
202 (cp_parser_simple_declaration): Parse decomposition.
203 (cp_parser_decomposition_declaration): New.
204 * pt.c (tsubst_decomp_names): New.
205 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
206 (do_auto_deduction): Handle adc_decomp_type.
207 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
208 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
209 * tree.c (lvalue_kind): Likewise.
210 (cp_build_reference_type): Handle reference collapsing.
212 2016-11-13 Jason Merrill <jason@redhat.com>
214 * call.c (build_new_method_call_1): Include template arguments in
216 (print_error_for_call_failure): Likewise.
217 (build_new_function_call): Pass them in.
218 * name-lookup.c (supplement_binding_1): Don't complain about a
219 conflict with an erroneous declaration.
220 * error.c (dump_decl): Fix printing of alias declaration.
221 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
222 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
223 * semantics.c (perform_koenig_lookup): Don't wrap an error in
226 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
229 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
231 2016-11-12 Jason Merrill <jason@redhat.com>
234 * typeck.c (convert_arguments): Handle default arg followed by none.
236 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
237 IMAGPART_EXPR can be lvalues.
241 * pt.c (check_specialization_namespace): Allow any enclosing
243 (check_unqualified_spec_or_inst): New.
244 (check_explicit_specialization): Call it.
245 * parser.c (cp_parser_elaborated_type_specifier)
246 (cp_parser_class_head): Call it.
248 2016-11-10 Jason Merrill <jason@redhat.com>
251 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
252 (instantiate_decl): It's OK to defer a constexpr function.
253 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
255 * decl2.c (decl_defined_p): Use it. No longer static.
256 * decl.c (redeclaration_error_message): Use decl_defined_p.
257 * constexpr.c (cxx_eval_call_expression): Set input_location around
258 call to instantiate_decl.
260 2016-11-10 Jakub Jelinek <jakub@redhat.com>
262 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
263 public or external symbols.
265 2016-11-09 Jakub Jelinek <jakub@redhat.com>
268 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
270 2016-11-09 Jason Merrill <jason@redhat.com>
272 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
273 for template template parameter.
274 (cp_parser_type_id_1): Improve diagnostic.
275 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
276 * pt.c (splice_late_return_type): Not here.
277 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
278 (do_class_deduction): Handle non-class templates.
280 Implement P0127R2, Declaring non-type parameters with auto.
281 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
282 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
284 * pt.c (do_auto_deduction): Add outer_targs parameter.
285 (convert_template_argument): Call do_auto_deduction. If adc_unify,
286 don't give up on dependent init.
287 (unify): Likewise. In C++17, walk into the type of a
289 (for_each_template_parm): Add any_fn parameter.
290 (struct pair_fn_data): Likewise.
291 (for_each_template_parm_r): Call it for any tree. In C++17, walk
292 into the type of a TEMPLATE_PARM_INDEX.
293 (zero_r, array_deduction_r, try_array_deduction): New.
294 (type_unification_real): Call try_array_deduction.
295 (get_partial_spec_bindings): Likewise.
297 2016-11-07 Jason Merrill <jason@redhat.com>
299 Implement P0012R1, Make exception specifications part of the type
301 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
302 (flag_noexcept_type, ce_type): New.
303 * call.c (build_conv): Add ck_fnptr.
304 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
305 (convert_like_real): Likewise.
306 (standard_conversion): Likewise. Allow function pointer
307 conversions for pointers to member functions.
308 (reference_compatible_p): Allow function pointer conversions.
309 (direct_reference_binding): Likewise.
310 (reference_binding): Reference-compatible is no longer a subset of
312 (is_subseq): Also strip ck_lvalue after next_conversion.
313 * class.c (instantiate_type): Check fnptr_conv_p.
314 (resolve_address_of_overloaded_function): Likewise.
315 * cvt.c (can_convert_tx_safety): Now static.
316 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
317 * decl.c (flag_noexcept_type): Define.
318 (cxx_init_decl_processing): Set it.
319 (bad_specifiers): Check it.
320 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
321 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
323 * mangle.c (struct globals): Add need_cxx1z_warning.
324 (mangle_decl): Check it.
325 (write_exception_spec): New.
326 (write_function_type): Call it.
327 (canonicalize_for_substitution): Handle exception spec.
328 (write_type): Likewise.
329 (write_encoding): Set processing_template_decl across mangling of
330 partially-instantiated type.
331 * pt.c (determine_specialization): Pass tf_fndecl_type.
332 (tsubst_decl, fn_type_unification): Likewise.
333 (tsubst): Strip tf_fndecl_type, pass it to
334 tsubst_exception_specification.
335 (convert_nontype_argument_function): Handle function pointer
337 (convert_nontype_argument): Likewise.
338 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
339 * rtti.c (ptr_initializer): Encode noexcept.
340 * tree.c (canonical_eh_spec): New.
341 (build_exception_variant): Use it.
342 * typeck.c (composite_pointer_type): Handle fnptr conversion.
343 (comp_except_specs): Compare canonical EH specs.
344 (structural_comptypes): Call it.
346 * call.c (standard_conversion): Reorganize pointer conversions.
347 * pt.c (convert_nontype_argument_function): Convert to ref here.
348 (convert_nontype_argument): Not here.
349 (convert_template_argument): Add original type to error message.
350 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
351 (unify): Compare function-qualifiers.
352 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
353 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
355 * pt.c (push_tinst_level_loc): Add template instantiations to the
356 announce_function stream.
358 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
361 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
362 to suppress unwanted warnings.
364 2016-11-03 Jason Merrill <jason@redhat.com>
367 * call.c (convert_default_arg): Look through inheriting ctors.
369 2016-11-03 Jakub Jelinek <jakub@redhat.com>
370 Alexandre Oliva <aoliva@redhat.com>
371 Jason Merrill <jason@redhat.com>
375 * tree.c (cp_check_qualified_type): Use check_base_type and
376 TYPE_QUALS comparison instead of check_qualified_type.
377 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
378 * cp-objcp-common.c (cp_get_debug_type): New function.
379 (cp_decl_dwarf_attribute): Don't handle types here.
380 (cp_type_dwarf_attribute): New function.
381 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
383 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
386 2016-11-03 Jason Merrill <jason@redhat.com>
388 * tree.c (cp_check_qualified_type): Call check_base_type instead
389 of check_qualified_type.
390 (cxx_type_hash_eq): Check ref-qualifiers.
391 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
393 2016-11-01 Jason Merrill <jason@redhat.com>
395 Implement P0136R1, Rewording inheriting constructors.
396 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
397 (inherited_ctor_rejection): New.
398 (add_function_candidate): Reject inherited ctors for copying.
399 (enforce_access): Use strip_inheriting_ctors.
400 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
401 (convert_like_real): Avoid copying inheriting ctor parameters.
402 (build_over_call): Likewise. A base ctor inheriting from vbase
403 has no parms. Sorry about varargs.
404 (joust): A local constructor beats inherited with the same convs.
405 * class.c (add_method): Handle hiding inheriting ctors.
406 (one_inherited_ctor): Handle new semantics.
407 (add_implicitly_declared_members): Pass using_decl down.
408 (build_clone): A base ctor inheriting from vbase has no parms.
409 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
410 (SET_DECL_INHERITED_CTOR): Likewise.
411 (DECL_INHERITED_CTOR_BASE): Adjust.
412 * constexpr.c: Adjust.
413 * error.c (dump_function_decl): Decorate inheriting ctors.
414 * init.c (emit_mem_initializers): Suppress access control in
416 * mangle.c (write_special_name_constructor): Handle new inheriting
418 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
419 (ctor_omit_inherited_parms, binfo_inherited_from): New.
420 (synthesized_method_walk): Use binfo_inherited_from. Suppress
421 access control in inheriting ctor.
422 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
423 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
424 (add_one_base_init, do_build_copy_constructor): Adjust.
425 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
426 (implicitly_declare_fn): Adjust.
427 (get_inherited_ctor): Remove.
428 * name-lookup.c (do_class_using_decl): Check for indirect ctor
430 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
431 (maybe_clone_body): Handle omitted parms in base clone.
432 (maybe_thunk_body): Don't thunk if base clone omits parms.
433 * pt.c (tsubst_decl): Adjust.
434 (instantiate_template_1): Suppress access control in inheriting
436 (fn_type_unification): Do deduction with inherited ctor.
437 * tree.c (special_function_p): Adjust.
439 2016-11-01 Jakub Jelinek <jakub@redhat.com>
441 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
443 2016-11-01 Jason Merrill <jason@redhat.com>
445 * class.c (declared_access): Split out from handle_using_decl.
447 2016-10-31 Jakub Jelinek <jakub@redhat.com>
450 * parser.c (cp_parser_postfix_expression): Replace return statement in
451 the first switch with setting postfix_expression to the return
452 expression and break;.
455 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
456 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
457 (tsubst_expr) <case LABEL_EXPR>: Likewise.
459 2016-09-11 Le-Chun Wu <lcwu@google.com>
460 Mark Wielaard <mjw@redhat.com>
462 * name-lookup.c (pushdecl_maybe_friend): When emitting a
463 shadowing warning, use the code corresponding to the
464 given -Wshadow= variant.
466 2016-10-26 Jason Merrill <jason@redhat.com>
468 * class.c (add_method): Allow using-declarations to coexist.
470 2016-10-25 Jason Merrill <jason@redhat.com>
472 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
473 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
474 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
475 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
477 2016-10-25 Jakub Jelinek <jakub@redhat.com>
479 * parser.c (cp_parser_postfix_expression): Adding missing break;.
481 * cp-tree.h (finish_builtin_launder): Declare.
482 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
483 * semantics.c (finish_builtin_launder): New function.
484 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
485 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
486 (potential_constant_expression_1): Likewise.
488 2016-10-24 Jakub Jelinek <jakub@redhat.com>
490 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
491 and DW_AT_rvalue_reference.
493 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
494 instead of TREE_CODE (x) == VAR_DECL.
495 * constraint.cc (get_concept_definition): Likewise.
496 (finish_shorthand_constraint): Likewise.
497 * init.c (warn_placement_new_too_small): Likewise.
498 * cp-gimplify.c (cp_genericize_r): Likewise.
500 2016-10-21 Jason Merrill <jason@redhat.com>
503 * pt.c (convert_template_argument): Call convert_nontype_argument
504 on value-dependent but not type-dependent arguments.
505 (convert_nontype_argument): Handle value-dependent arguments.
506 (canonicalize_expr_argument): New.
507 (deducible_expression, unify): Skip CONVERT_EXPR.
508 * error.c (dump_template_argument): Likewise.
509 * mangle.c (write_expression): Likewise.
511 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
513 2016-10-21 Jakub Jelinek <jakub@redhat.com>
515 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
518 2016-10-17 Jakub Jelinek <jakub@redhat.com>
520 * cp-objcp-common.h (cp_function_decl_explicit_p,
521 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
522 (cp_decl_dwarf_attribute): Declare.
523 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
524 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
525 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
526 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
527 * cp-objcp-common.c (cp_function_decl_explicit_p,
528 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
529 (cp_decl_dwarf_attribute): New function.
531 2016-10-15 Jason Merrill <jason@redhat.com>
534 * constexpr.c (maybe_simplify_trivial_copy): New.
535 (cxx_eval_store_expression): Call it.
536 * call.c (build_over_call): Use unsigned char for trivial copy.
538 2016-10-14 Jason Merrill <jason@redhat.com>
540 Implement P0017R1, C++17 aggregates with bases.
541 * class.c (build_base_field_1): Split out from...
542 (build_base_field): ...here. In C++17 mode, build a field for
544 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
545 (next_initializable_field): Allow base fields in C++17.
546 * typeck2.c (process_init_constructor_record): Likewise.
548 2016-10-14 Jakub Jelinek <jakub@redhat.com>
550 DR 1511 - const volatile variables and ODR
551 * decl.c (grokvardecl): Change flags argument to type_quals,
552 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
553 (grokdeclarator): Adjust grokvardecl caller.
555 2016-10-13 Martin Sebor <msebor@redhat.com>
558 * class.c (struct flexmems_t): Add members.
559 (find_flexarrays): Add arguments. Correct handling of anonymous
561 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
562 (check_flexarrays): Add argument.
563 (diagnose_invalid_flexarray): New functions.
565 2016-10-13 Jakub Jelinek <jakub@redhat.com>
566 Jason Merrill <jason@redhat.com>
568 Implement P0386R2 - C++17 inline variables
569 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
570 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
571 (DECL_VAR_DECLARED_INLINE_P): Define.
572 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
573 (DECL_INLINE_VAR_P): Define.
574 (diagnose_inline_vars_for_namespace): Declare.
575 * decl.c (diagnose_inline_vars_for_namespace): New function.
576 (duplicate_decls): For static data members copy
577 DECL_DECLARED_CONSTEXPR_P.
578 (redeclaration_error_message): Handle C++17 redundant redeclaration
579 of constexpr static data member outside of class.
580 (maybe_commonize_var): Handle inline variables.
581 (check_initializer): Ignore inline variables for diagnostics.
582 Adjust diagnostic wording for C++17.
583 (make_rtl_for_nonlocal_decl): Allow in-class definition of
584 inline static data members.
585 (bad_specifiers): Don't diagnose inline on variables here.
586 (grokvardecl): Add inlinep argument, non-static const inline variables
588 (check_static_variable_definition): Return early also for inline
590 (mark_inline_variable): New.
591 (grokdeclarator): Handle inline variables and inline static data
593 * typeck2.c (store_init_value): Don't diagnose non-constant
594 initializers for non-constexpr inline static data members.
595 * decl2.c (vague_linkage_p): Return true for inline variables.
596 (c_parse_final_cleanups): In-class declaration of inline static
597 data members is a definition. Call diagnose_inline_vars_for_namespace
598 through walk_namespaces.
599 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
600 of inline static data members.
602 2016-10-13 Jason Merrill <jason@redhat.com>
604 * decl.c (mark_inline_variable): New.
607 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
609 * decl2.c: Include memmodel.h.
612 2016-10-11 Jason Merrill <jason@redhat.com>
615 * init.c (build_new_1): Don't -Waligned-new about placement new.
616 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
617 * decl.c (cxx_init_decl_processing): New.
619 2016-10-10 Jason Merrill <jason@redhat.com>
623 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
624 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
626 2016-10-08 Jason Merrill <jason@redhat.com>
628 * cp-gimplify.c (cp_fold): Add variable name.
630 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
633 2016-10-07 Jason Merrill <jason@redhat.com>
635 Further P0135 refinement.
636 * call.c (build_user_type_conversion_1): Consider conversions from
637 a single element in an initializer-list.
638 (build_temp): Undo early_elide_copy change.
639 (build_over_call): Check that we don't try to copy a TARGET_EXPR
640 in C++17 mode. Set user_conv_p here.
641 (convert_like_real): Not here.
642 (check_self_delegation): Split out from...
643 (build_special_member_call): ...here. Handle C++17 copy elision.
644 * cvt.c (early_elide_copy): Remove.
645 (ocp_convert): Undo early_elide_copy change.
646 * except.c (build_throw): Likewise.
647 * init.c (expand_default_init): Likewise.
648 * typeck.c (cp_build_modify_expr): Likewise.
650 2016-10-07 Nathan Sidwell <nathan@acm.org>
654 * init.c (emit_mem_initializers): Don't construct vbases of
656 (push_base_cleanups): Don't push vbase cleanups for abstract class
658 * method.c (synthethesized_method_walk): Don't walk vbases of
659 abstract classes when in C++14 mode.
661 2016-10-07 Jakub Jelinek <jakub@redhat.com>
663 Implement LWG2296 helper intrinsic
664 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
665 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
666 * constexpr.c (potential_constant_expression_1): Likewise.
667 * error.c (dump_expr): Likewise.
668 * typeck.c (cp_build_addressof): New function.
669 * cp-tree.h (cp_build_addressof): Declare.
670 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
671 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
672 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
673 ADDRESSOF_EXPR. Add __builtin_addressof and
674 __has_unique_object_representations into syntax in function comment.
675 (pp_cxx_addressof_expression): New function.
676 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
678 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
681 * parser.c (cp_parser_base_specifier): Fix a warning.
683 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
686 * decl.c (grokdeclarator): Try to find the correct location for an
689 2016-10-07 Martin Liska <mliska@suse.cz>
691 * lambda.c (maybe_add_lambda_conv_op): Set default value.
693 2016-10-06 Jason Merrill <jason@redhat.com>
695 * call.c (build_temp, convert_like_real): Don't re-copy
696 TARGET_EXPR. Handle packed fields.
697 (build_x_va_arg): Wrap it in a TARGET_EXPR.
698 (build_over_call): Add sanity check.
699 * cvt.c (early_elide_copy): New.
700 (ocp_convert): Use it.
701 * except.c (build_throw): Use it.
702 * init.c (get_nsdmi): Put back the TARGET_EXPR.
703 (expand_default_init): Call early_elide_copy.
704 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
706 2016-10-06 Jakub Jelinek <jakub@redhat.com>
708 Implement P0258R2 - helper for C++17
709 std::has_unique_object_representations trait
710 * cp-tree.h (enum cp_trait_kind): Add
711 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
712 (struct lang_type_class): Add unique_obj_representations
713 and unique_obj_representations_set bitfields.
714 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
715 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
716 (type_has_unique_obj_representations): Declare.
717 * parser.c (cp_parser_primary_expression): Handle
718 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
719 (cp_parser_trait_expr): Likewise. Formatting fix.
720 * semantics.c (trait_expr_value, finish_trait_expr): Handle
721 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
722 * tree.c (type_has_unique_obj_representations): New function.
723 (record_has_unique_obj_representations): New function.
724 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
725 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
727 2016-10-05 Jason Merrill <jason@redhat.com>
729 Implement P0135R1, Guaranteed copy elision.
730 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
733 * call.c (reference_binding): Fix binding to member of temporary.
735 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
737 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
739 * semantics.c (finish_compound_literal): Handle class placeholder.
741 2016-10-05 Marek Polacek <polacek@redhat.com>
743 Implement P0305R1, Selection statements with initializer.
744 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
745 instead of finish_for_init_stmt.
746 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
747 * decl.c (poplevel): Adjust a comment.
748 * init.c (build_vec_init): Call finish_init_stmt instead of
749 finish_for_init_stmt.
750 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
751 * name-lookup.h (enum scope_kind): Likewise.
752 * parser.c (cp_parser_statement): Update commentary.
753 (cp_parser_init_statement_p): New function.
754 (cp_parser_selection_statement): Parse the optional init-statement.
755 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
756 (cp_parser_c_for): Likewise.
757 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
758 (cp_parser_range_for_member_function): Update commentary.
759 (cp_parser_iteration_statement):
760 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
761 * pt.c (tsubst_omp_for_iterator): Update commentary.
762 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
763 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
766 2016-10-04 Jason Merrill <jason@redhat.com>
769 * pt.c (do_class_deduction): Handle list-initialization.
770 (do_auto_deduction): Call it sooner.
771 (build_deduction_guide): Use tsubst_arg_types.
772 (rewrite_template_parm): Don't copy_type.
775 * constexpr.c (cxx_eval_component_reference): Use name matching
778 Implement P0091R2, Template argument deduction for class templates.
779 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
780 Use the location of the beginning of the type-specifier.
781 (cp_parser_init_declarator): Parse deduction guide.
782 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
783 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
784 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
785 * decl.c (grokdeclarator): Check for uninitialized auto here.
786 (start_decl_1): Not here.
787 (cp_finish_decl): Or here. Don't collapse a list when doing
789 (grokfndecl): Check deduction guide scope and body.
790 * error.c (dump_decl, dump_function_decl, dump_function_name):
791 Handle deduction guides.
792 * pt.c (make_template_placeholder, do_class_deduction): New.
793 (build_deduction_guide, rewrite_template_parm): New.
794 (dguide_name, dguide_name_p, deduction_guide_p): New.
795 (do_auto_deduction): Call do_class_deduction.
796 (splice_late_return_type, is_auto): Handle class placeholders.
797 (template_parms_level_to_args): Split from template_parms_to_args.
798 (tsubst_template_parms_level): Split from tsubst_template_parms.
799 * typeck2.c (build_functional_cast): Handle class placeholder.
801 2016-10-04 Martin Sebor <msebor@redhat.com>
804 * init.c (warn_placement_new_too_small): Avoid assuming an array type
807 2016-10-04 Jakub Jelinek <jakub@redhat.com>
810 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
811 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
814 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
815 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
816 (java_byte_type_node, java_short_type_node, java_int_type_node,
817 java_long_type_node, java_float_type_node, java_double_type_node,
818 java_char_type_node, java_boolean_type_node, lang_name_java,
819 jclass_node): Remove.
820 (enum languages): Remove lang_java.
821 (TYPE_FOR_JAVA): Remove.
822 (struct lang_type_class): Remove java_interface bit-field.
823 (TYPE_JAVA_INTERFACE): Remove.
824 (pragma_java_exceptions): Remove.
825 (check_java_method, build_java_class_ref): Remove prototypes.
826 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
827 * decl2.c (acceptable_java_type, check_java_method): Remove.
828 (import_export_decl): Remove TYPE_FOR_JAVA handling.
829 (build_java_method_aliases): Remove.
830 (c_parse_final_cleanups): Don't call build_java_method_aliases.
831 (possibly_inlined_p): Don't test pragma_java_exceptions.
832 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
833 (build_java_class_ref): Remove.
834 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
835 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
836 * except.c (eh_type_info): Remove java type handling.
837 (decl_is_java_type, choose_personality_routine): Remove.
838 (initialize_handler_parm): Don't call choose_personality_routine.
839 (expand_start_catch_block): Don't handle java types.
840 (build_throw): Likewise.
841 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
842 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
843 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
844 (java_iface_lookup_fn): Remove.
845 (build_java_interface_fn_ref): Remove.
846 * tree.c (cxx_attribute_table): Remove java_interface.
847 (handle_java_interface_attribute): Remove.
848 * lex.c (pragma_java_exceptions): Remove.
849 (init_cp_pragma): Don't register GCC java_exceptions pragma.
850 (handle_pragma_java_exceptions): Remove.
851 (retrofit_lang_decl): Don't handle lang_name_java.
852 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
853 * error.c (language_to_string): Don't handle lang_java.
854 * decl.c (record_builtin_java_type): Remove.
855 (initialize_predefined_identifiers): Remove Java.
856 (cxx_init_decl_processing): Remove java_*_type_node.
857 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
858 (grokfndecl): Likewise.
859 (check_special_function_return_type): Likewise.
860 (grokdeclarator): Don't set TYPE_FOR_JAVA.
861 (grokparms): Don't handle TYPE_FOR_JAVA.
862 (xref_basetypes): Likewise.
863 (check_function_type): Likewise.
864 (finish_constructor_body): Likewise.
865 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
866 and java_*_type_node.
867 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
868 (write_java_integer_type_codes): Remove.
869 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
870 (add_implicitly_declared_members, determine_key_method,
871 finish_struct_1): Likewise.
872 (push_lang_context): Don't handle lang_name_java.
874 2016-10-03 Marek Polacek <polacek@redhat.com>
877 * typeck.c (cp_build_binary_op): Pass original operands to
878 null_ptr_cst_p, not those after the default conversions.
880 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
882 * parser.c (cp_parser_condition): Fix a warning.
884 2016-09-29 Jakub Jelinek <jakub@redhat.com>
886 Implement P0001R1 - C++17 removal of register storage class specifier
887 * decl.c (cp_finish_decl): Diagnose register storage class
888 on vars except when used in GNU global or local register variable
890 (grokdeclarator): Diagnose register storage class on parameters.
891 * except.c (expand_start_catch_block): Set DECL_REGISTER only
892 after cp_finish_decl call.
894 2016-09-29 Marek Polacek <polacek@redhat.com>
896 * rtti.c (involves_incomplete_p): Add fall through comment.
898 2016-09-28 Jakub Jelinek <jakub@redhat.com>
901 * constexpr.c (enum constexpr_switch_state): New.
902 (struct constexpr_ctx): Add css_state field.
903 (label_matches): Add CTX and STMT arguments, remove I and
904 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
905 handle default labels according to css_state.
906 (cxx_eval_statement_list): Remove statement skipping, label_matches
907 and default_label handling code.
908 (cxx_eval_loop_expr): Exit after first iteration even if
909 switches (jump_target).
910 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
911 label has been seen in the body, but no cases matched, evaluate
912 the body second time.
913 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
914 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
915 statement is not skipped. For COND_EXPR during skipping, don't
916 evaluate condition, just the then block and if still skipping at the
917 end also the else block.
918 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
919 (is_sub_constant_expr): Likewise.
921 2016-09-27 Jakub Jelinek <jakub@redhat.com>
923 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
924 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
925 true instead of false as by_reference_p to add_capture for 'this'.
926 Parse '*this' simple-capture.
927 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
928 (add_capture): Adjust function comment. For id == this_identifier,
929 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
930 by value, and !by_reference_p as capturing '*this' by value.
931 (add_default_capture): For implicit 'this' capture, always pass
932 by_reference_p true rather than false.
935 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
936 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
937 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
939 2016-09-26 Nathan Sidwell <nathan@acm.org>
941 * init.c (expand_default_init): Fix } indentation.
942 * method.c (process_subob_fn): Simplify control structure to
944 (implicitly_declare_fn): Remove duplicated lambda ctor check.
946 2016-09-26 Marek Polacek <polacek@redhat.com>
949 * parser.c (cp_parser_storage_class_specifier_opt): Add
951 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
952 (cp_parser_cache_defarg): Likewise.
953 (cp_parser_omp_for_cond): Likewise.
954 * semantics.c (finish_decltype_type): Likewise.
955 * typeck.c (structural_comptypes): Likewise.
956 (cp_build_binary_op): Likewise.
957 (cp_build_modify_expr): Likewise.
959 2016-09-26 Marek Polacek <polacek@redhat.com>
962 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
963 (potential_constant_expression_1): Likewise.
964 * constraint.cc (function_concept_check_p): Check fn for null.
965 * parser.c (cp_parser_expression_statement): Handle attribute
967 (cp_parser_statement): Likewise.
968 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
970 (cp_parser_std_attribute): Handle fallthrough attribute.
971 (cp_parser_check_std_attribute): Add %< %> quotes.
972 * pt.c (tsubst_copy_and_build): Handle internal functions.
973 (instantiation_dependent_scope_ref_p): Return if the expression is
976 2016-09-24 Marek Polacek <polacek@redhat.com>
979 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
982 2016-09-23 Jakub Jelinek <jakub@redhat.com>
984 Implement P0138R2, C++17 construction rules for enum class values
985 * cp-tree.h (is_direct_enum_init): Declare.
986 * decl.c (is_direct_enum_init): New function.
987 (reshape_init): Use it.
988 * typeck.c (convert_for_assignment): Likewise.
990 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
993 * constexpr.c (call_stack): Remove unnecessary
994 = vNULL initialization of file scope vec.
996 * name-lookup.c (store_bindings, store_class_bindings): Don't
997 initialize static local bindings_need_stored to vNULL.
999 * typeck2.c (process_init_constructor_record): Use
1000 CONSTRUCTOR_NELTS (...) instead of
1001 vec_safe_length (CONSTRUCTOR_ELTS (...)).
1002 * decl.c (reshape_init_r): Likewise.
1003 (check_initializer): Likewise.
1005 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
1008 * class.c (build_base_path): Allow for lookup_base returning
1011 2016-09-21 Jason Merrill <jason@redhat.com>
1014 * call.c (null_ptr_cst_p): Check char_type_p.
1016 2016-09-21 Jakub Jelinek <jakub@redhat.com>
1019 * init.c (build_new_1): Don't suggest to use -faligned-new if
1020 aligned_new_threshold is non-zero.
1021 (type_has_new_extended_alignment): Change aligned_new_threshhold
1022 to aligned_new_threshold.
1023 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
1024 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
1025 * decl.c (cxx_init_decl_processing): Likewise.
1027 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1030 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
1031 FIELD_DECLs with error_mark_node type. Remove useless break; after
1035 * parser.c (cp_parser_template_declaration_after_parameter): For 2
1036 argument operator"" template set ok to false for
1037 parm == error_mark_node.
1040 * parser.c (cp_parser_std_attribute_list): Reject ... without
1041 preceding attribute.
1043 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1046 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
1048 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1051 * parser.c (cp_parser_class_head): When
1052 processing_template_parmlist, don't assume that the
1053 class-head may start an explicit specialization.
1055 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1058 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1059 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1062 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1063 call is_really_empty_class on complete types.
1066 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1067 TYPE_HAS_MUTABLE_P for any bases.
1069 2016-09-16 Jason Merrill <jason@redhat.com>
1071 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1073 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1074 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1076 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1079 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1082 2016-09-14 Marek Polacek <polacek@redhat.com>
1084 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1085 expressions. Tweak an error message.
1087 2016-09-14 Marek Polacek <polacek@redhat.com>
1089 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1091 * decl2.c (one_static_initialization_or_destruction): Use true instead
1093 * init.c (build_vec_init): Use false instead of 0.
1094 * pt.c (tsubst_copy_and_build): Likewise.
1095 * semantics.c (simplify_loop_decl_cond): Likewise.
1096 * typeck.c (rationalize_conditional_expr): Likewise.
1097 (cp_build_binary_op): Use true instead of 1.
1098 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1100 (build_unary_op): Change nonconvert parameter type to bool.
1101 (unary_complex_lvalue): Use false instead of 0.
1103 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1105 Implement P0028R4, C++17 using attribute namespaces without repetition
1106 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1107 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1108 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1109 identifier after ::.
1110 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1111 to cp_parser_std_attribute calls.
1112 (cp_parser_std_attribute_spec): Parse optional C++17
1113 attribute-using-prefix, adjust grammar in function comment.
1116 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1117 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1118 (cxx_eval_pointer_plus_expression): Remove.
1119 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1120 call cxx_eval_pointer_plus_expression.
1122 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1124 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1125 add_fixit_insert to add_fixit_insert_before.
1126 (cp_parser_class_head): Likewise.
1128 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1131 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1132 * class.c (instantiate_type): Look through the SAVE_EXPR.
1134 2016-09-09 Jason Merrill <jason@redhat.com>
1136 Implement P0035R4, C++17 new of over-aligned types.
1137 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1138 (align_type_node): New macro.
1139 * call.c (build_operator_new_call): Handle C++17 aligned new.
1140 (second_parm_is_size_t, build_op_delete_call): Likewise.
1141 (non_placement_deallocation_fn_p): Likewise. Rename to
1142 usual_deallocation_fn_p.
1143 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1144 * decl.c (cxx_init_decl_processing): Add aligned new support.
1145 * init.c (type_has_new_extended_alignment): New.
1146 (build_new_1): Handle aligned new.
1147 * tree.c (vec_copy_and_insert): New.
1149 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1152 * decl2.c (do_static_initialization_or_destruction): Only
1153 call asan_dynamic_init_call if INITP is true.
1155 2016-09-01 Martin Sebor <msebor@redhat.com>
1157 * mangle.c: Increase buffer size to guarantee it fits the output
1158 of the formatted function regardless of its arguments.
1160 2016-09-01 Marek Polacek <polacek@redhat.com>
1163 * error.c (dump_type): Fix falls through comment.
1164 (dump_decl): Likewise.
1165 (dump_expr): Likewise.
1167 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1169 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1170 hint to ">>" within nested template argument list error.
1172 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1174 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1175 rather than add_fixit_misspelled_id.
1176 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1178 2016-08-29 Jason Merrill <jason@redhat.com>
1181 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1182 (mangle_thunk): Add thunk parameter.
1183 * method.c (finish_thunk): Pass it.
1184 * cp-tree.h: Declare it.
1186 2016-08-15 Jason Merrill <jason@redhat.com>
1188 Avoid calling a trivial default constructor.
1189 * class.c (default_ctor_p): New.
1190 (in_class_defaulted_default_constructor): Use it.
1191 (type_has_non_user_provided_default_constructor): Use it.
1192 * call.c (build_over_call): Handle trivial default constructor.
1193 * cp-tree.h: Declare default_ctor_p.
1196 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1199 2016-08-25 Marek Polacek <polacek@redhat.com>
1201 * parser.c (cp_parser_binary_expression): Pass LHS to
1202 warn_logical_not_parentheses.
1204 2016-08-18 Marek Polacek <polacek@redhat.com>
1207 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1208 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1209 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1210 (cp_parser_cache_defarg): Likewise.
1212 2016-08-12 Marek Polacek <polacek@redhat.com>
1215 * call.c (add_builtin_candidate): Add FALLTHRU.
1216 (build_integral_nontype_arg_conv): Adjust fall through comment.
1217 (build_new_op_1): Add FALLTHRU.
1218 (convert_like_real): Adjust fall through comment.
1219 * class.c (fixed_type_or_null): Likewise.
1220 * constexpr.c (cxx_eval_constant_expression): Likewise.
1221 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1222 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1223 (cp_fold): Add FALLTHRU.
1224 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1225 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1226 (pp_cxx_qualified_id): Likewise.
1227 (cxx_pretty_printer::constant): Adjust fall through comment.
1228 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1229 (pp_cxx_pm_expression): Adjust fall through comment.
1230 (cxx_pretty_printer::expression): Add FALLTHRU.
1231 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1232 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1233 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1234 * error.c (dump_type): Adjust fall through comment.
1235 (dump_decl): Likewise.
1236 * mangle.c (write_type): Likewise.
1237 * method.c (synthesized_method_walk): Add FALLTHRU.
1238 * name-lookup.c (arg_assoc_type): Likewise.
1239 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1240 (cp_parser_primary_expression): Add FALLTHRU.
1241 (cp_parser_operator): Likewise.
1242 * pt.c (find_parameter_packs_r): Likewise.
1243 (tsubst_aggr_type): Adjust fall through comment.
1244 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1245 * tree.c (lvalue_kind): Likewise.
1247 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1250 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1251 (cp_function_decl_explicit_p): Const_tree-ify.
1252 (cp_function_decl_deleted_p): Likewise.
1253 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1254 (cp_function_decl_explicit_p): Const_tree-ify.
1255 (cp_function_decl_deleted_p): Likewise.
1256 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1258 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1261 * constexpr.c (label_matches): Handle case range expressions.
1263 2016-08-11 Jason Merrill <jason@redhat.com>
1266 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1268 2016-08-10 Jason Merrill <jason@redhat.com>
1270 Implement C++17 constexpr if.
1271 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1272 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1273 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1274 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1275 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1276 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1277 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1278 (finish_if_stmt_cond): Require the condition of a
1279 constexpr if to be constant.
1280 * decl.c (level_for_constexpr_if): New.
1281 (named_label_entry): Add in_constexpr_if field.
1282 (poplevel_named_label_1): Set it.
1283 (check_goto): Check it.
1284 (check_previous_goto_1): Check level_for_constexpr_if.
1286 2016-08-09 Jason Merrill <jason@redhat.com>
1289 * decl2.c (any_dependent_type_attributes_p): New.
1290 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1291 * semantics.c (finish_id_expression): Check it.
1292 * typeck.c (finish_class_member_access_expr): Check it.
1295 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1297 Adjust mangling of ABI tags on class template member functions.
1298 * class.c (missing_abi_tags): New.
1299 (check_abi_tags): Don't check template. Add just_checking mode.
1300 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1301 (sorted_abi_tags): Split out from write_abi_tags.
1302 (struct releasing_vec): New.
1303 (write_unqualified_name): Only look for the primary
1304 template for types. Implement backward compatibility.
1307 * constexpr.c (cxx_eval_constant_expression): Check
1308 COMPLETE_TYPE_P before calling is_really_empty_class.
1309 * class.c (is_really_empty_class): Don't call complete_type.
1312 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1314 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1317 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1318 builtin aggregate types without TYPE_BINFO.
1320 2016-08-08 Jason Merrill <jason@redhat.com>
1322 Implement C++17 constexpr lambda.
1323 * class.c (finalize_literal_type_property): Handle lambdas.
1324 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1325 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1327 (cxx_eval_constant_expression): Handle capture proxy.
1328 (var_in_constexpr_fn): Don't check for C++14.
1329 (var_in_maybe_constexpr_fn): New.
1330 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1331 declarations not allowed in constexpr function. Handle
1332 STATIC_ASSERT, RANGE_FOR_STMT.
1333 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1334 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1335 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1336 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1337 (lambda_static_thunk_p): New.
1338 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1339 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1340 (cp_parser_decl_specifier_seq): Handle it.
1341 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1342 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1343 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1344 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1345 (dump_expr) [FUNCTION_DECL]: Pass it.
1347 2016-08-08 Jason Merrill <jason@redhat.com>
1350 * class.c (is_really_empty_class): Call complete_type.
1351 * constexpr.c (cxx_eval_constant_expression): Check
1352 is_really_empty_class.
1353 (potential_constant_expression_1): Likewise. Check for error type.
1355 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1358 * parser.c: Include tree-iterator.h.
1359 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1361 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1364 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1366 * call.c (convert_like_real): Harmonize diagnostics for invalid
1369 2016-08-05 Martin Sebor <msebor@redhat.com>
1371 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1372 the spelling of "constant-expression" in diagnostic messages
1374 (cxx_eval_constant_expression): Same.
1375 (cxx_eval_outermost_constant_expr): Same.
1376 (potential_constant_expression_1): Same.
1378 2016-08-05 Nathan Sidwell <nathan@acm.org>
1381 * pt.c (unify): TRAIT_EXPR is an expr.
1383 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1386 * lambda.c (add_capture): Check lambda_capture_field_type return
1387 value for error_mark_node.
1389 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1392 * pt.c (tsubst_qualified_id): Return error_mark_node if
1393 template_args is error_mark_node.
1395 2016-08-04 Jason Merrill <jason@redhat.com>
1398 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1401 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1402 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1403 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1404 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1407 * typeck.c (finish_class_member_access_expr): Avoid stripping
1408 SCOPE_REF to dependent base.
1410 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1412 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1413 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1414 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1415 Simplify code, and improve diagnostics.
1416 (cp_parser_oacc_routine): Likewise. Move pragma context
1418 (cp_parser_pragma): ... here.
1420 * parser.h (struct cp_omp_declare_simd_data): New.
1421 (struct cp_parser): Use it for oacc_routine member.
1422 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1423 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1424 Use it. Simplify code.
1425 (cp_parser_new): Initialize all members pointing to special
1426 parsing data structures.
1427 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1428 parser->cilk_simd_fn_info->clauses.
1429 (cp_parser_omp_declare_simd): Initialize
1430 parser->omp_declare_simd->clauses.
1431 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1433 2016-08-04 Marek Polacek <polacek@redhat.com>
1436 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1439 2016-08-01 Jason Merrill <jason@redhat.com>
1441 * mangle.c (mangle_decl): Warn about mangled name change even if
1444 * mangle.c (get_abi_tags): New.
1445 (find_substitution, write_unqualified_name, write_abi_tags)
1446 (maybe_check_abi_tags): Use it.
1448 * mangle.c (mangle_decl): Fix mangled name change warning.
1451 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1453 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1456 2016-07-30 Martin Sebor <msebor@redhat.com>
1460 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1461 involving null pointers.
1462 (cxx_eval_component_reference): Reject null pointer dereferences.
1463 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1464 (cxx_eval_constant_expression): Reject invalid expressions involving
1467 2016-07-29 Marek Polacek <polacek@redhat.com>
1470 * semantics.c (maybe_convert_cond): Use the location of COND for the
1471 parentheses warning.
1473 2016-07-29 Jason Merrill <jason@redhat.com>
1475 * decl.c (build_enumerator): Tweak diagnostic.
1478 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1479 * constexpr.c (build_data_member_initialization): Handle multiple
1480 initializers for the same field.
1482 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1485 * decl.c (build_enumerator): Check the type of the enumerator before
1486 calling cxx_constant_value.
1488 2016-07-27 Jason Merrill <jason@redhat.com>
1491 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1492 parameters with spec_tmpl. Call push_tinst_level.
1493 (most_specialized_partial_spec): Adjust.
1494 (more_specialized_partial_spec): Adjust.
1496 2016-07-25 Jason Merrill <jason@redhat.com>
1499 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1502 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1503 (build_lambda_object): Call build_x_compound_expr_from_list.
1504 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1508 * pt.c (coerce_template_parameter_pack): Fix logic for
1512 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1513 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1517 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1518 value of an element we're currently modifying.
1520 2016-07-24 Jason Merrill <jason@redhat.com>
1523 * pt.c (resolve_typename_type): Try to avoid calling
1524 currently_open_class.
1526 2016-07-23 Jason Merrill <jason@redhat.com>
1529 * call.c (add_list_candidates): Handle VTT parm.
1530 (build_new_method_call_1): Likewise.
1534 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1537 * class.c (walk_subobject_offsets): Handle 0-length array.
1540 * pt.c (tsubst): Also substitute into the template of a
1541 BOUND_TEMPLATE_TEMPLATE_PARM.
1544 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1547 * decl.c (reshape_init_r): Check complain for missing braces warning.
1549 2016-07-22 Jason Merrill <jason@redhat.com>
1552 * call.c (convert_like_real): Use lvalue_kind.
1556 * pt.c (tsubst_baselink): Call
1557 adjust_result_of_qualified_name_lookup for unqualified
1560 2016-07-21 Jason Merrill <jason@redhat.com>
1563 * semantics.c (apply_deduced_return_type): Call
1564 complete_type_or_else before building the new RESULT_DECL.
1567 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1568 (decl_constant_var_p): Use it instead.
1571 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1575 * call.c (unsafe_copy_elision_p): It's OK to elide when
1576 initializing an unknown object.
1578 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1579 trivial constructors.
1580 * method.c (do_build_copy_constructor): Don't copy tail padding
1581 even in a trivial constructor.
1583 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1586 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1587 Replace assert with test, return false if the goto isn't break
1588 or continue. Formatting fix.
1590 2016-07-21 Richard Biener <rguenther@suse.de>
1592 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1595 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1598 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1599 save/restore bc_label array.
1601 2016-07-21 Jason Merrill <jason@redhat.com>
1604 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1605 error parsing the lambda-declarator.
1608 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1609 between lowered and unlowered PTRMEM_CST.
1612 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1613 Don't set c_inhibit_evaluation_warnings.
1616 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1618 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1619 Jason Merrill <jason@redhat.com>
1621 Improving concepts performance and diagnostics.
1625 * cp-tree.def (CHECK_CONSTR): New.
1626 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1627 (CHECK_CONSTR_ARGS): New.
1628 * constraint.cc (make_predicate_constraint): Remove in favor of
1629 normalize_expression.
1630 (resolve_constraint_check): Actually return error_mark_node when
1632 (resolve_variable_concept_check): Perform coercion as if processing
1633 a template. Also return errors on resolution failure.
1634 (lift_*): Remove all of these functions. Don't unnecessarily inline
1636 (learn_*): Add facilities to memoize implications for subsumption
1637 during normalization.
1638 (expanding_concept): New.
1639 (expand_concept): New. Return the inlined and normalized definition
1640 of a concept when needed.
1641 (transform_*, xform_*): Rename to normalize_* to better reflect the
1642 responsibility of those functions.
1643 (normalize_template_id_expression): Check for non-boolean operands
1644 when possible. Generate check constraints instead of normal variable
1646 (normalize_call_expression): Report errors when resolution fails.
1647 (check_for_logical_overloads): Rewrite this check to more accurately
1649 (normalize_atom): Check for overloaded calls and invalid types before
1650 determining if the expression refers to a concept.
1651 (build_constraints): Don't cache normalized constraints or decomposed
1653 (finish_shorthand_constraint): Return a normalized expression instead
1654 of a predicate constraint.
1655 (finish_template_introduction): Same.
1656 (placeholder_extract_concept_and_args): Rewrite this since we only
1657 ever get check constraints here.
1658 (equivalent_placeholder_constraints): Rewrite in terms of check
1659 constraints, and handle error_mark_nodes correctly.
1660 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1661 (tsubst_implicit_conversion_constr)
1662 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1663 (tsubst_parameterized_constraint, tsubst_constraint): New.
1664 (tsbust_conjunection): Replace with tsubst_logical_operator and
1665 actually generate the right kind of constraint.
1666 (tsubst_requirement_body): Reverse the order of substituted arguments
1667 so that they appear in the order written (helps diagnostics).
1668 (satisfy_check_constraint): New.
1669 (satisfy_conjunction): Simplify.
1670 (satisfy_disjunction): Same.
1671 (satisfy_constraint_1): Handle check constraints.
1672 (eval_constr): New (private) global state.
1673 (evaluating_constraints_sentinel): New. Manages eval_constr.
1674 (satisfy_constraint): Add timing variables.
1675 (satisfy_associated_constraints): Add hooks for memoization.
1676 (evaluate_function_concept): Build a check constraint instead of
1677 normalizing its definition.
1678 (evaluate_variable_concept): Same.
1679 (evaluate_constraint_expression): Normalize, but in the current
1680 declaration processing context.
1681 (evaluating_constraints_p): New.
1682 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1683 (diagnose_*): Remove artificial indentation. Add a new parameter to
1684 each that tracks the current (complete) constraint prior to any
1686 (diagnose_expression): Removed.
1687 (diagnose_call_expression): Same.
1688 (diagnose_template_id): Same.
1689 (diagnose_template_id): New.
1690 (diagnose_logical_constraint): New.
1691 (diagnose_expression_constraint): Show the original expression.
1692 (diagnose_type_constraint): Show the original type.
1693 (diagnose_implicit_conversion_constraint): Be specific about
1694 failures, don't re-diagnose a known-to-be-failed substitutions,
1695 and manage elisions properly.
1696 (diagnose_argument_deduction_constraint): Same.
1697 (diagnose_exception_constraint): Same.
1698 (diagnose_parameterized_constraint): Same.
1699 (constraint_p): Allow EXPR_PACK_EXPANSION.
1700 * logic.cc (next_by_distance): Removed. No longer used.
1701 (any_p): Renamed from any_of.
1702 (term_entry, term_hasher): New.
1703 (term_list): Rewrite to include a hash table for quick lookup.
1704 Also, make less stateful.
1705 (proof_state): Extend to allow goals to be discharged once
1707 (non_atomic_constraint_p): New.
1708 (any_non_atomic_constraints_p): New.
1709 (...rest...): Previous implementation completely replaced with an
1710 iterative algorithm that opportunistically prunes the search space
1711 before committing to using more memory.
1712 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1713 (cp_parser_explicit_template_declaration): Same.
1714 * pt.c: (finish_template_variable): Be less redundant with this error
1716 (template_args_equal): No longer static.
1717 (tsubst_decl): Don't try to find specializations of variables that
1718 have already been instantiated.
1719 (build_non_dependent_expr): Avoid infinite recursion during concept
1721 (make_constrained_auto): Normalize constraints.
1722 (do_auto_deduction): When doing auto deduction from a
1723 partial-concept-id, be sure to include the explicit args checking
1725 (constraint_sat_*): New. Memoize satisfied constraints.
1726 (concept_spec_*): New. Memoize expressions associated with a concept
1728 (constraint_memos, concept_memos): New.
1729 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1730 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1731 (get_concept_expansion, save_concept_expansion): New.
1732 (hash_subsumption_args): New.
1733 (comp_subsumption_args): New.
1734 (subsumption_*): New. Memoize parts of the subsumption relation.
1735 (lookup_subsumption_result, save_subsumption_result): New.
1736 (init_constraint_processing): Initialize memo tables.
1737 (get_constraints): Shortcut if !flag_concepts.
1738 * decl.c (grokfndecl): Normalize constraints.
1739 * error.c (dump_simple_decl): Print "concept" when appropriate.
1740 (dump_function_decl): Same.
1741 (dump_template_decl): Don't write requirements when we're not
1742 printing the header.
1743 (dump_expr): Handle fold expressions.
1744 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1746 (get_fold_operator): New.
1747 (pp_cxx_unary_left_fold_expression): New.
1748 (pp_cxx_unary_right_fold_expression): New.
1749 (pp_cxx_binary_fold_expression): New.
1750 (pp_cxx_check_constraint): New.
1751 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1752 to make them easier to read when debugging.
1753 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1754 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1756 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1760 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1762 (suggest_alternatives_for): If no candidates are found, try
1763 lookup_name_fuzzy and report if if finds a suggestion.
1764 (consider_binding_level): New function.
1765 (lookup_name_fuzzy) New function.
1766 * parser.c: Include gcc-rich-location.h.
1767 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1769 (cp_keyword_starts_decl_specifier_p): ...this new function.
1770 (cp_parser_diagnose_invalid_type_name): When issuing
1771 "does not name a type" errors, attempt to make a suggestion using
1773 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1774 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1775 types that are not CLASS_TYPE_P, rather than rejecting individual
1778 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1781 * parser.c (cp_parser_save_member_function_body): Consume
1782 __transaction_relaxed or __transaction_atomic with optional
1783 attribute. Only skip catch with block if try keyword is seen.
1786 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1787 when evaluating call arguments. Use fold_builtin_call_array instead
1788 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1789 check the result with potential_constant_expression and call
1790 cxx_eval_constant_expression on it.
1792 2016-07-19 Jason Merrill <jason@redhat.com>
1795 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1796 handle ARGUMENT_PACK_SELECT.
1798 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1802 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1803 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1804 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1808 * call.c (build_op_call_1): Use convert_like_with_context only
1809 if cand->fn is a decl.
1812 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1813 For lval don't use cxx_eval_unary_expression and instead recurse
1814 and if needed rebuild the reference.
1817 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1820 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1821 fold *expr_p before genericizing it.
1824 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1826 2016-07-15 Jason Merrill <jason@redhat.com>
1829 * call.c (convert_like_real): Mask complain.
1830 * semantics.c (perform_koenig_lookup): Likewise.
1833 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1834 threw away DECL_SAVED_TREE.
1838 * call.c (add_template_conv_candidate): Disable if there are
1842 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1845 * pt.c (tsubst_attributes): Fix loop logic.
1849 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1850 (cp_parser_simple_declaration): Diagnose type definition in
1851 for-range-declaration.
1854 * operators.def: Add *_FOLD_EXPR.
1855 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1856 * mangle.c (write_expression): Handle fold-expressions.
1857 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1858 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1859 partial instantiation.
1862 * mangle.c (write_expression): Handle sizeof... an argument pack.
1865 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1868 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1869 artificial variables.
1871 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1873 * parser.c (cp_parser_oacc_declare): Don't scan for
1875 * semantics.c (handle_omp_array_sections): Mark data clauses with
1876 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1877 zero-length subarrays.
1879 2016-07-11 Jason Merrill <jason@redhat.com>
1881 * decl.c (store_parm_decls): Remove check for void parm.
1883 2016-07-08 Jason Merrill <jason@redhat.com>
1885 * cp-tree.h: Unpoison lvalue_p.
1886 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1887 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1890 * tree.c (obvalue_p): Rename from lvalue_p.
1891 (lvalue_p): Define for c-common.
1892 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1894 (cp_build_addr_expr_1): Remove obsolete code.
1896 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1897 * call.c, cp-tree.h, typeck.c: Adjust.
1899 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1901 P0145R2: Refining Expression Order for C++.
1902 * cp-gimplify.c (lvalue_has_side_effects): New.
1903 (cp_gimplify_expr): Implement assignment ordering.
1904 * call.c (op_is_ordered, build_over_call): Adjust for
1905 -fargs-in-order renaming to -fstrong-eval-order.
1906 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1908 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1909 Kai Tietz <ktietz70@googlemail.com>
1913 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1914 artificial vars, genericize their initializers.
1916 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1919 * parser.c (cp_parser_class_specifier_1): When reporting
1920 missing semicolons, use a fixit-hint to suggest insertion
1921 of a semicolon immediately after the closing brace,
1922 offsetting the reported column accordingly.
1924 2016-07-04 Jan Beulich <jbeulich@suse.com>
1926 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1928 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1930 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1931 Move pragma context checking into...
1932 (cp_parser_omp_cancellation_point): ... here, and improve
1933 diagnostic messages.
1934 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1935 Improve diagnostic messages.
1937 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1939 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1941 2016-06-24 Jason Merrill <jason@redhat.com>
1943 P0145R2: Refining Expression Order for C++.
1944 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1946 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1947 (build_target_expr): Call mark_rvalue_use.
1949 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1951 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1952 (build_over_call): For magic == 3, do no conversion only on 3rd
1955 2016-06-23 Andi Kleen <ak@linux.intel.com>
1957 * Make-lang.in: Add support for autofdo.
1959 2016-06-21 Jason Merrill <jason@redhat.com>
1961 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1962 args as our template has levels of parms.
1964 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1965 (type_dependent_expression_p): Use uses_outer_template_parms.
1967 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1969 * parser.c (cp_parser_string_literal): Convert non-standard
1970 concatenation error to directly use a rich_location, and
1971 use that to add the location of the first literal to the
1974 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1976 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1978 * error.c (dump_function_decl): Save the constexpr specifier too.
1980 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1982 * tree.c (builtin_valid_in_constant_expr_p): Test for
1983 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1985 (bot_manip): Likewise.
1986 * call.c (magic_varargs_p): Likewise.
1988 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1990 * decl.c (grokfndecl): Change pair of errors to error + inform.
1992 2016-06-17 Jason Merrill <jason@redhat.com>
1995 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1996 warning when there are dependent bases.
1998 2016-06-17 Jakub Jelinek <jakub@redhat.com>
2000 * semantics.c (handle_omp_array_sections_1): Don't ICE when
2001 processing_template_decl when checking for bitfields and unions.
2002 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2003 (finish_omp_clauses): Look through REFERENCE_REF_P even for
2004 array sections with COMPONENT_REF bases.
2006 2016-06-16 Jakub Jelinek <jakub@redhat.com>
2008 * parser.c (cp_parser_omp_var_list_no_open): Call
2009 convert_from_reference before cp_parser_postfix_dot_deref_expression.
2010 * semantics.c (finish_omp_clauses): Don't ICE when
2011 processing_template_decl when checking for bitfields and unions.
2012 Look through REFERENCE_REF_P as base of COMPONENT_REF.
2014 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2016 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
2017 "%qF" in warning_at instead of "%q+F" in warning.
2018 (check_redeclaration_exception_specification): Likewise in pedwarn
2019 (and error, inform, for consistency).
2020 * call.c (joust): Likewise.
2022 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2025 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
2026 code at the end of the for loop; also revert r159637 changes,
2027 add back the gcc_assert.
2028 * cp-tree.h (xref_basetypes): Adjust declaration.
2029 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2031 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2033 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
2035 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2037 * typeck.c: Include "gcc-rich-location.h".
2038 (finish_class_member_access_expr): Simplify fixit code by
2039 using gcc_rich_location::add_fixit_misspelled_id.
2041 2016-06-14 Jason Merrill <jason@redhat.com>
2043 P0145R2: Refining Expression Order for C++.
2044 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
2045 (CALL_EXPR_REVERSE_ARGS): New.
2046 * call.c (build_new_op_1): Set them.
2047 (extract_call_expr, op_is_ordered): New.
2048 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
2049 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
2050 * pt.c (tsubst_copy_and_build): Copy new flags.
2051 * semantics.c (simplify_aggr_init_expr): Likewise.
2052 * tree.c (build_aggr_init_expr): Likewise.
2053 (build_min_non_dep_op_overload): Likewise.
2055 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2058 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2059 olddecl vars, preserve their TREE_READONLY bit.
2062 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2064 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2066 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2068 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2070 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2072 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2075 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2078 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2082 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2085 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2086 emits an error do not zero the type.
2088 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2090 * decl.c (maybe_deduce_size_from_array_init): Use
2091 DECL_SOURCE_LOCATION in error_at.
2092 (layout_var_decl): Likewise.
2093 (check_array_initializer): Likewise.
2094 (check_initializer): Likewise.
2095 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2097 2016-06-08 Martin Sebor <msebor@redhat.com>
2098 Jakub Jelinek <jakub@redhat.com>
2102 * constexpr.c: Include gimple-fold.h.
2103 (cxx_eval_internal_function): New function.
2104 (cxx_eval_call_expression): Call it.
2105 (potential_constant_expression_1): Handle integer arithmetic
2107 * tree.c (builtin_valid_in_constant_expr_p): Handle
2108 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2110 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2112 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2113 return value of tsubst_aggr_type for error_mark_node.
2115 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2118 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2120 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2121 Patrick Palka <ppalka@gcc.gnu.org>
2126 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2127 right after cp_fold call if cp_fold has returned the same stmt
2128 already in some earlier cp_fold_r call.
2129 (cp_fold_function): Add pset automatic variable, pass its address
2132 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2135 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2136 emits an error do not zero the type.
2138 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2141 * decl.c (duplicate_decls): Properly copy the
2142 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2143 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2145 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2147 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2148 arguments as addressable when async clause exists.
2150 2016-06-02 Jan Hubicka <jh@suse.cz>
2152 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2155 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2157 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2158 (start_enum): Likewise.
2159 * parser.c (cp_parser_class_head): Likewise.
2161 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2164 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2165 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2166 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2167 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2168 to the newly built tree.
2170 2016-05-31 Jason Merrill <jason@redhat.com>
2172 * pt.c (instantiate_decl): Avoid recalculation.
2177 * pt.c (instantiate_template_1): Don't put the partial
2178 specialization in DECL_TI_TEMPLATE.
2179 (partial_specialization_p, impartial_args): Remove.
2180 (regenerate_decl_from_template): Add args parm.
2181 (instantiate_decl): Look up the partial specialization again.
2184 * pt.c (check_explicit_specialization): Give better diagnostic about
2185 specializing a hidden friend.
2187 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2190 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2191 to obtain correct locations; avoid redundant diagnostics on
2192 out-of-class definitions.
2194 2016-05-30 Martin Sebor <msebor@redhat.com>
2197 * init.c (warn_placement_new_too_small): Handle placement new arguments
2198 that are elements of arrays more carefully. Remove a pointless loop.
2200 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2203 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2204 when combined with target construct.
2205 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2206 to cp_parser_omp_all_clauses.
2208 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2211 * lex.c (unqualified_name_lookup_error): Take a location too.
2212 (unqualified_fn_lookup_error): Take a cp_expr.
2213 * cp-tree.h (unqualified_name_lookup_error,
2214 unqualified_fn_lookup_error): Adjust declarations.
2215 * semantics.c (perform_koenig_lookup): Adjust
2216 unqualified_fn_lookup_error call, pass the location of
2217 the identifier too as part of a cp_expr.
2219 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2222 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2223 to improve the diagnostic about wrong uses of 'virtual'.
2225 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2228 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2229 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2231 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2235 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2236 decls into the global scope after stripping template bits
2237 and setting DECL_ANTICIPATED.
2239 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2242 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2244 * name-lookup.h (push_namespace): Adjust declaration.
2245 * parser.c (cp_parser_namespace_definition): Check push_namespace
2248 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2251 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2252 decls into the global scope after stripping template bits
2253 and setting DECL_ANTICIPATED.
2255 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2257 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2258 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2260 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2264 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2266 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2267 on the qualified_id then propagate it to the resulting
2269 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2271 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2272 its REF_PARENTHESIZED_P flag.
2274 2016-05-25 Jason Merrill <jason@redhat.com>
2278 * cp-tree.h (enum tag_types): Add scope_type.
2279 * parser.c (cp_parser_class_name): Use scope_type.
2280 (prefer_type_arg): Handle scope_type.
2281 (cp_parser_lookup_name): Use prefer_type_arg.
2282 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2283 int prefer_type, use lookup_flags.
2284 * name-lookup.h: Adjust.
2286 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2288 * parser.c (cp_parser_oacc_declare): Add support for
2289 GOMP_MAP_FIRSTPRIVATE_POINTER.
2290 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2291 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2293 (handle_omp_array_sections): Replace bool is_omp argument with enum
2294 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2295 (finish_omp_clauses): Add specific errors and warning messages for
2296 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2297 call to handle_omp_array_sections.
2299 2016-05-24 Jason Merrill <jason@redhat.com>
2302 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2304 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2306 2016-05-24 Martin Sebor <msebor@redhat.com>
2309 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2310 * pt.c (instantiate_class_template_1): Try to complete the element
2311 type of a flexible array member.
2312 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2313 * typeck.c (complete_type): Also complete the type of the elements of
2314 arrays with an unspecified bound.
2316 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2319 * typeck2.c (check_narrowing): Check pedwarn return value.
2321 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2324 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2325 For OMP_CLAUSE_LINEAR_REF don't require type to be
2326 integral or pointer.
2328 2016-05-24 Richard Biener <rguenther@suse.de>
2332 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2333 * constexpr.c (cxx_eval_array_reference): Handle indexed
2335 * typeck.c (cp_build_array_ref): Adjust.
2337 2016-05-23 Jason Merrill <jason@redhat.com>
2340 * constexpr.c (cxx_eval_call_expression): Check for
2341 fun == current_function_decl again.
2344 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2345 maybe_undo_parenthesized_ref.
2348 * pt.c (tsubst_copy): Just return a local variable from
2349 non-template context. Don't call rest_of_decl_compilation for
2350 duplicated static locals.
2351 (tsubst_decl): Set DECL_CONTEXT of local static from another
2354 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2357 * method.c (forward_parm): Use cp_build_reference_type.
2359 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2362 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2364 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2366 * pt.c (check_for_bare_parameter_packs): Improve error message
2367 location for expressions.
2369 2016-05-20 Nathan Sidwell <nathan@acm.org>
2371 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2373 (cxx_eval_call_expression): Fix comment grammar.
2375 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2378 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2379 and return immediately in case of erroneous code.
2381 2016-05-19 Marek Polacek <polacek@redhat.com>
2384 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2386 2016-05-19 Jason Merrill <jason@redhat.com>
2389 * pt.c (fn_type_unification): Add outer template args if needed.
2390 (type_unification_real): Handle getting full args.
2392 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2395 * parser.c (cp_parser_operator): For array new/delete, check that
2396 cp_parser_require returned a non-NULL token before dereferencing
2399 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2401 * decl.c (finish_enum_value_list): Use the specified mode.
2403 2016-05-18 Jason Merrill <jason@redhat.com>
2405 * pt.c (value_dependent_expression_p): Tweak new cases to better
2406 match the wording in the standard.
2408 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2411 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2412 when the previous cp_lexer_peek_token returns CPP_EOF.
2414 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2417 * call.c (convert_like_real): Check that we are actually converting
2420 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2422 * decl.c (grokdeclarator): Remove errmsg and use of
2423 targetm.invalid_return_type.
2424 (grokparms): Remove errmsg and use of
2425 targetm.invalid_parameter_type.
2427 2016-05-13 Jason Merrill <jason@redhat.com>
2431 * pt.c (tsubst_decl): Use uses_template_parms.
2432 (instantiate_template_1): Handle non-dependent calls in templates.
2433 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2434 (type_dependent_expression_p): Only consider innermost template args.
2435 (dependent_template_arg_p): Check enclosing class of a template here.
2436 (dependent_template_p): Not here.
2437 (type_dependent_object_expression_p): New.
2438 * typeck.c (finish_class_member_access_expr): Use it.
2439 * parser.c (cp_parser_postfix_expression): Use it.
2440 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2441 to detect the current instantiation.
2442 (cp_parser_lookup_name): Really implement DR 141.
2443 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2444 (any_dependent_bases_p): Split out from...
2445 * name-lookup.c (do_class_using_decl): ...here.
2446 * call.c (build_new_method_call_1): Use it.
2447 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2448 * tree.c (non_static_member_function_p): Remove.
2449 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2451 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2452 complete_type_or_else for unknown_type_node, too.
2454 2016-05-12 Marek Polacek <polacek@redhat.com>
2457 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2458 * cp-tree.h (cp_build_modify_expr): Update declaration.
2459 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2461 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2462 cp_build_modify_expr.
2463 * decl2.c (set_guard): Likewise.
2464 (handle_tls_init): Likewise.
2465 * init.c (perform_member_init): Likewise.
2466 (expand_virtual_init): Likewise.
2467 (build_new_1): Likewise.
2468 (build_vec_delete_1): Likewise.
2469 (get_temp_regvar): Likewise.
2470 (build_vec_init): Likewise.
2471 * method.c (do_build_copy_assign): Likewise.
2472 (assignable_expr): Likewise.
2473 * semantics.c (finish_omp_for): Likewise.
2474 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2476 (cp_pointer_int_sum): Add location parameter. Pass it down to
2478 (pointer_diff): Add location parameter. Use it.
2479 (build_modify_expr): Pass location down to cp_build_modify_expr.
2480 (cp_build_modify_expr): Add location parameter. Use it.
2481 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2482 * typeck2.c (cxx_incomplete_type_diagnostic,
2483 cxx_incomplete_type_error): Add location parameter.
2485 2016-05-11 Marek Polacek <polacek@redhat.com>
2488 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2490 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2492 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2493 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2495 2016-05-04 Marek Polacek <polacek@redhat.com>
2497 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2498 with OPT_Wdangling_else.
2500 2016-05-03 Martin Sebor <msebor@redhat.com>
2503 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2504 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2506 2016-05-03 Marek Polacek <polacek@redhat.com>
2509 * call.c (build_cxx_call): Pass location and vNULL down to
2510 check_builtin_function_arguments.
2512 2016-05-03 Richard Biener <rguenther@suse.de>
2514 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2515 the checksum from the previous stage.
2517 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2520 * typeck.c (finish_class_member_access_expr): When
2521 giving a hint about a possibly-misspelled member name,
2522 add a fix-it replacement hint.
2524 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2526 * cp-tree.h (finish_omp_clauses): Update prototype.
2527 * parser.c (cp_parser_oacc_all_clauses): Update call to
2529 (cp_parser_omp_all_clauses): Likewise.
2530 (cp_parser_omp_for_loop): Likewise.
2531 (cp_omp_split_clauses): Likewise.
2532 (cp_parser_oacc_cache): Likewise.
2533 (cp_parser_oacc_loop): Likewise.
2534 (cp_parser_omp_declare_target):
2535 (cp_parser_cilk_simd_all_clauses): Likewise.
2536 (cp_parser_cilk_for): Likewise.
2537 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2538 arguments with enum c_omp_region_type ort.
2539 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2540 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2541 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2542 (tsubst_expr): Update calls to tsubst_omp_clauses.
2543 * semantics.c (finish_omp_clauses): Replace bool arguments
2544 allow_fields, declare_simd, and is_cilk with bitmask ort.
2545 (finish_omp_for): Update call to finish_omp_clauses.
2547 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2550 * parser.c (cp_parser_class_head): Capture the start location;
2551 use it to emit a fix-it insertion hint when complaining
2552 about missing "template <> " in explicit specializations.
2554 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2556 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2558 2016-05-02 Richard Biener <rguenther@suse.de>
2560 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2563 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2566 * class.c (check_field_decl): Remove final int* parameter, change
2567 the return type to bool; fix logic in order not to reject multiple
2568 initialized fields in anonymous struct.
2569 (check_field_decls): Adjust call.
2571 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2574 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2575 OACC_LOOP_CLAUSE_MASK.
2576 (cp_parser_oacc_kernels_parallel): Update call to
2577 c_oacc_split_loop_clauses.
2579 2016-04-28 Jason Merrill <jason@redhat.com>
2581 Implement C++17 [[nodiscard]] attribute.
2584 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2585 * tree.c (handle_nodiscard_attribute): New.
2586 (cxx_attribute_table): Add [[nodiscard]].
2587 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2588 (maybe_warn_nodiscard): New.
2589 (convert_to_void): Call it.
2591 * cvt.c (cp_get_callee): New.
2592 * constexpr.c (get_function_named_in_call): Use it.
2593 * cxx-pretty-print.c (postfix_expression): Use it.
2594 * except.c (check_noexcept_r): Use it.
2595 * method.c (check_nontriv): Use it.
2596 * tree.c (build_aggr_init_expr): Use it.
2597 * cp-tree.h: Declare it.
2599 2015-04-27 Ryan Burn <contact@rnburn.com>
2600 Jeff Law <law@redhat.com>
2604 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2605 instead of cilk_detect_spawn_and_unwrap.
2606 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2608 (cilk_cp_detect_spawn_and_unwrap): New.
2609 * lambda.c: Include cp-cilkplus.h.
2610 * parser.c: Include cp-cilkplus.h.
2611 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2612 * cp-cilkpus.h: New file.
2614 2016-04-27 Nathan Sidwell <nathan@acm.org>
2616 * constexpr.c (get_fundef_copy): Use the original function for
2617 non-recursive evaluations.
2618 (save_fundef_copy): Always expect a slot to be available.
2620 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2622 * parser.c (cp_parser_postfix_expression): Call
2623 warn_for_memset instead of warning directly here.
2625 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2628 * decl.c (build_enumerator): Set current_access_specifier when
2629 declaring an enumerator belonging to an in-class enumeration.
2630 * parser.c (cp_parser_check_access_in_redecleration): Also
2631 consider in-class enumerations.
2633 2016-04-26 Marek Polacek <polacek@redhat.com>
2636 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2637 instead of stabilize_reference.
2638 (build_over_call): Likewise.
2639 * cp-tree.h (cp_stabilize_reference): Declare.
2640 * tree.c (cp_stabilize_reference): New function.
2641 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2642 stabilize_reference.
2643 (unary_complex_lvalue): Likewise.
2644 (cp_build_modify_expr): Likewise.
2646 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2649 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2652 2016-04-25 Jason Merrill <jason@redhat.com>
2654 * tree.c (std_attribute_table): New.
2655 (init_tree): Register it.
2657 2016-04-22 Jason Merrill <jason@redhat.com>
2659 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2661 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2663 * name-lookup.c (free_saved_scope): New free list of saved_scope
2665 (push_to_top_level): Attempt to reuse a saved_scope struct
2666 from free_saved_scope instead of allocating a new one each time.
2667 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2668 onto free_saved_scope.
2670 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2673 * semantics.c (process_outer_var_ref): Unconditionally return
2674 error_mark_node when mark_used returns false.
2676 2016-04-21 Marek Polacek <polacek@redhat.com>
2679 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2680 extra qualification.
2682 2016-04-20 Nathan Sidwell <nathan@acm.org>
2685 * init.c (build_vec_delete_1): Protect operator delete call in try
2687 (build_delete): Likewise.
2688 * optimize.c (build_delete_destructor_body): Likewise.
2690 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2693 * cp-tree.h (finish_omp_clauses): Add new default argument.
2694 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2695 instead of c_finish_cilk_clauses.
2696 * semantics.c (finish_omp_clauses): Add new argument. Allow
2697 floating-point variables in the linear clause for Cilk Plus.
2699 2016-04-20 Nathan Sidwell <nathan@acm.org>
2701 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2704 2016-04-19 Jason Merrill <jason@redhat.com>
2707 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2708 * pt.c (make_pack_expansion): Call mark_exp_read.
2709 * semantics.c (finish_id_expression): Call mark_type_use in
2710 unevaluated context.
2713 * call.c (implicit_conversion): If we choose a copy constructor
2714 for list-initialization from the same type, the conversion is an
2717 * constexpr.c (breaks): Handle EXIT_EXPR.
2718 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2719 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2724 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2727 * pt.c (tsubst_expr): Remove shadowing declaration.
2728 (tsubst_pack_expansion): Add assert.
2730 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2733 * name-lookup.c (qualified_lookup_using_namespace): Look through
2736 2016-04-18 Michael Matz <matz@suse.de>
2738 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2739 (layout_class_type): Ditto.
2740 (build_base_field): Use SET_DECL_ALIGN.
2741 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2742 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2743 (record_unknown_type): Use SET_TYPE_ALIGN.
2744 (cxx_init_decl_processing): Ditto.
2745 (copy_type_enum): Ditto.
2746 (grokfndecl): Use SET_DECL_ALIGN.
2747 (copy_type_enum): Use SET_TYPE_ALIGN.
2748 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2750 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2751 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2752 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2753 * rtti.c (emit_tinfo_decl): Ditto.
2755 2016-04-18 Jason Merrill <jason@redhat.com>
2759 * class.c (type_maybe_constexpr_default_constructor): New.
2760 (type_has_constexpr_default_constructor): Revert.
2762 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2766 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2767 (handle_com_interface_attribute): Delete.
2769 2016-04-15 Jason Merrill <jason@redhat.com>
2772 * constexpr.c (get_fundef_copy): Handle null *slot.
2775 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2776 unknown_type_node, too.
2778 2016-04-15 Jason Merrill <jason@redhat.com>
2779 Nathan Sidwell <nathan@acm.org>
2782 * constexpr.c (constexpr_call_table): Preserve in GC.
2783 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2784 (fundef_copies_table): Preserve in GC. Change to pointer to
2786 (maybe_initialize_fundef_copies_table): Adjust.
2787 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2788 (save_fundef_copy): Adjust for a TREE_LIST.
2789 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2790 (fini_constexpr): New.
2791 * cp-tree.h (fini_constexpr): Declare.
2792 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2794 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2797 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2799 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2800 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2801 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2802 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2803 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2804 cp_parser_statement.
2805 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2806 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2807 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2808 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2809 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2810 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2811 cp_parser_omp_taskloop, cp_parser_omp_construct,
2812 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2813 Add IF_P argument, pass it down where needed.
2814 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2815 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2818 2016-04-14 Jason Merrill <jason@redhat.com>
2821 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2822 * typeck2.c (split_nonconstant_init_1): Use it.
2825 * class.c (type_has_constexpr_default_constructor): Return true
2826 for an implicitly declared constructor.
2829 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2830 (cp_parser_simple_declaration): Pass it.
2831 (strip_declarator_types): New.
2834 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2835 initializer also makes the variable value-dependent.
2838 * constexpr.c (cxx_eval_store_expression): Also copy
2839 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2841 2016-04-14 Martin Sebor <msebor@redhat.com>
2846 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2848 2016-04-14 Jason Merrill <jason@redhat.com>
2850 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2851 parameter ABI change.
2853 2016-04-13 Martin Sebor <msebor@redhat.com>
2858 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2860 * decl.c (check_initializer, cp_finish_decl): Call them.
2861 (reshape_init_r): Reject incompletely braced intializer-lists
2863 * init.c (throw_bad_array_length, build_vla_check)
2864 (build_vla_size_check, build_vla_init_check): Define new functions.
2865 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2867 (store_init_value): Same.
2869 2016-04-13 Jason Merrill <jason@redhat.com>
2871 Warn about empty parameter ABI with -Wabi=9.
2872 * call.c (empty_class_msg, mark_for_abi_warning)
2873 (warn_empty_class_abi): New.
2874 (build_call_a): Use them.
2875 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2876 * error.c (pp_format_to_string): New.
2878 Pass empty class parameters like C.
2879 * call.c (pass_as_empty_struct, empty_class_arg): New.
2880 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2881 (build_call_a): Use empty_class_arg.
2882 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2883 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2885 2016-04-13 Jason Merrill <jason@redhat.com>
2888 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2890 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2893 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2894 avoidance mechanism.
2896 2016-04-13 Jason Merrill <jason@redhat.com>
2899 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2900 from instantiation_dependent_expression_p.
2901 (value_dependent_expression_p): Use it for unevaluated operands.
2902 (instantiation_dependent_r): Don't check value-dependence.
2903 (instantiation_dependent_expression_p): Check
2904 value-dependence of the expression as a whole.
2905 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2906 * semantics.c (finish_decltype_type): Use it.
2908 * constexpr.c (potential_nondependent_constant_expression): New.
2909 (potential_nondependent_static_init_expression): New.
2910 (maybe_constant_value_1, fold_non_dependent_expr)
2911 (maybe_constant_init): Use them.
2912 * pt.c (instantiate_non_dependent_expr_sfinae)
2913 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2915 * cp-tree.h: Declare them.
2917 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2920 * decl.c (pop_labels_1): Removed.
2921 (note_label, sort_labels): New functions.
2922 (pop_labels): During named_labels traversal, just push the slot
2923 pointers into a vector, then qsort it by DECL_UID and only then
2924 call pop_label and chain it into BLOCK_VARS.
2926 2016-04-13 Jason Merrill <jason@redhat.com>
2929 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2930 (cp_gimplify_expr): Not here.
2932 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2935 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2937 * typeck.c (build_x_conditional_expr): Unconditionally remember
2938 that the result is an lvalue or xvalue.
2940 2016-04-12 Jason Merrill <jason@redhat.com>
2942 * class.c (is_really_empty_class): A zero-length array is empty.
2943 An unnamed bit-field doesn't make a class non-empty.
2945 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2948 * parser.c (cp_parser_cache_defarg): When file ends in default
2949 argument simply return error_mark_node.
2951 2016-04-12 Nathan Sidwell <nathan@acm.org>
2954 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2957 2016-04-11 Jason Merrill <jason@redhat.com>
2959 * mangle.c (decl_is_template_id): The template itself counts as a
2962 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2966 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2967 on the result if it's not a CONSTRUCTOR.
2969 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2972 * constexpr.c (find_constructor): New function.
2973 (unshare_constructor): New function.
2974 (cxx_eval_call_expression): Use unshare_constructor instead of
2976 (find_array_ctor_elt): Likewise.
2977 (cxx_eval_vec_init_1): Likewise.
2978 (cxx_eval_store_expression): Likewise.
2979 (cxx_eval_constant_expression): Likewise.
2981 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2984 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2985 potentially generating a future -Wparentheses warning in its
2988 2016-04-06 Jason Merrill <jason@redhat.com>
2990 * class.c (check_abi_tags): Fix function template handling.
2992 2016-04-05 Nathan Sidwell <nathan@acm.org>
2995 * class.c (fixup_may_alias): New.
2996 (fixup_attribute_variants): Call it.
2998 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3001 * constexpr.c (struct fundef_copy): New struct.
3002 (struct fundef_copies_table_t): New struct.
3003 (fundef_copies_table): New static variable.
3004 (maybe_initialize_fundef_copies_table): New static function.
3005 (get_fundef_copy): New static function.
3006 (save_fundef_copy): New static function.
3007 (cxx_eval_call_expression): Use get_fundef_copy, and
3009 (constexpr_call_table): Add "deletable" GTY marker.
3011 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
3014 * cp-tree.h (class cache_map): Remove.
3015 * constexpr.c (cv_cache): Change type to
3016 GTY((deletable)) hash_map<tree, tree> *.
3017 (maybe_constant_value): Adjust following the change to cv_cache.
3018 (clear_cv_cache): New static function.
3019 (clear_cv_and_fold_caches): Use it.
3020 * cp-gimplify.c (fold_cache): Change type to
3021 GTY((deletable)) hash_map<tree, tree> *.
3022 (clear_fold_cache): Adjust following the change to fold_cache.
3023 (cp_fold): Likewise.
3025 2016-04-02 Martin Sebor <msebor@redhat.com>
3031 * constexpr.c (diag_array_subscript): New function.
3032 (cxx_eval_array_reference): Detect out of bounds array indices.
3034 2016-04-01 Jason Merrill <jason@redhat.com>
3038 * pt.c (instantiate_decl): A function isn't fully defined if
3039 DECL_INITIAL is error_mark_node.
3040 * constexpr.c (cxx_eval_call_expression): Likewise.
3042 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3043 Marek Polacek <polacek@redhat.com>
3046 * init.c (warn_placement_new_too_small): Test whether
3047 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
3049 2016-04-01 Nathan Sidwell <nathan@acm.org>
3052 * decl.c (check_redeclaration_exception_specification): Check
3053 regardless of -fno-exceptions.
3054 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3055 flag_exceptions too.
3057 2016-03-31 Nathan Sidwell <nathan@acm.org>
3059 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3060 (finish_destructor_body): Don't emit operator delete here.
3062 2016-03-31 Nathan Sidwell <nathan@acm.org>
3065 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3066 elements in field order.
3068 2016-03-31 Marek Polacek <polacek@redhat.com>
3071 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3073 2016-03-31 Richard Biener <rguenther@suse.de>
3076 * typeck.c (cp_build_binary_op): Fix operand order of vector
3077 conditional in truth op handling.
3079 2016-03-29 Jason Merrill <jason@redhat.com>
3082 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3083 in constexpr functions.
3085 2016-03-28 Jason Merrill <jason@redhat.com>
3090 * decl.c, pt.c, constexpr.c: Revert last patch.
3092 2016-03-25 Jason Merrill <jason@redhat.com>
3093 Martin Liška <mliska@suse.cz>
3098 * decl.c (cp_fname_init): Decay the initializer to pointer.
3099 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3100 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3101 Don't call cp_finish_decl.
3102 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3103 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3104 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3105 Handle DECL_VALUE_EXPR.
3107 2016-03-24 Jason Merrill <jason@redhat.com>
3110 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3113 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3116 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3119 * tree.c (build_cplus_array_type): Determine type-dependentess
3120 with uses_template_parms instead of with dependent_type_p.
3122 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3125 * typeck.c (process_init_constructor_union): If the initializer
3126 is empty, use the union's NSDMI if it has one.
3128 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3131 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3132 NSDMI that's part of an aggregrate initialization.
3134 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3137 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3138 for 1..max even for multi-dimensional arrays. Call unshare_expr
3142 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3143 on TREE_OVERFLOW constants.
3146 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3147 for OMP_TASKLOOP here.
3148 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3149 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3151 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3152 Jason Merrill <jason@redhat.com>
3153 Jakub Jelinek <jakub@redhat.com>
3156 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3157 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3158 (finish_function): Don't set or test them.
3159 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3161 2016-03-23 Jason Merrill <jason@redhat.com>
3164 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3166 2016-03-23 Marek Polacek <polacek@redhat.com>
3169 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3171 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3173 * call.c (build_conditional_expr_1): Always use original
3174 condition type for vector type checks and build.
3176 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3179 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3181 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3184 * constexpr.c (non_const_var_error): Check
3185 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3187 2016-03-21 Richard Henderson <rth@redhat.com>
3190 * decl.c (notice_forced_label_r): New.
3191 (cp_finish_decl): Use it.
3193 2016-03-21 Jason Merrill <jason@redhat.com>
3196 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3198 2016-03-18 Jason Merrill <jason@redhat.com>
3201 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3204 * class.c (vptr_via_virtual_p): New.
3205 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3206 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3207 a vptr from any virtual base in a not-in-charge 'structor.
3209 * decl.c (build_clobber_this): Factor out of
3210 start_preparsed_function and begin_destructor_body. Handle
3211 virtual bases better.
3213 * class.c (build_if_in_charge): Split out from build_base_path.
3214 * init.c (expand_virtual_init, expand_default_init): Use it.
3215 * call.c (build_special_member_call): Use it.
3217 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3220 * init.c (build_new_1): Complain and return error_mark_node
3221 if alloc_fn is not _Jv_AllocObject function returning pointer.
3223 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3226 * search.c (adjust_result_of_qualified_name_lookup): Don't
3227 update the BASELINK_BINFO of DECL if the second call
3228 to lookup_base fails.
3230 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3233 * parser.c (cp_parser_lambda_expression): Move call to
3234 pop_deferring_access_checks ahead of the call to
3235 cp_parser_end_tentative_firewall.
3237 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3240 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3241 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3242 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3244 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3245 if magic_varargs_p == 1, call decay_conversion
3246 instead of mark_type_use. Don't store error_mark_node arguments to
3247 argarray, instead return error_mark_node.
3250 * decl.c (begin_destructor_body): Don't insert clobber if
3251 is_empty_class (current_class_type).
3253 2016-03-17 Marek Polacek <polacek@redhat.com>
3256 * typeck.c (warn_for_null_address): New function.
3257 (cp_build_binary_op): Call it.
3259 2016-03-16 Jason Merrill <jason@redhat.com>
3262 * decl.c (start_preparsed_function): Don't clobber an empty base.
3264 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3267 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3268 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3271 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3272 set in_base_initializer.
3274 2016-03-15 Marek Polacek <polacek@redhat.com>
3277 * tree.c (strip_typedefs): Call strip_typedefs again on the
3278 DECL_ORIGINAL_TYPE result.
3280 2016-03-15 Jason Merrill <jason@redhat.com>
3283 * pt.c (instantiate_decl): Fix call to variable_template_p.
3286 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3288 2016-03-14 Casey Carter <casey@carter.net>
3289 Jason Merrill <jason@redhat.com>
3291 P0184R0: Generalizing the Range-Based For Loop
3292 * parser.c (cp_convert_range_for): Set the type of __end separately.
3293 (cp_parser_perform_range_for_lookup): Allow different begin/end
3294 types if they are comparable.
3296 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3299 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3300 processing_template_decl and EXPR is a SCOPE_REF.
3302 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3303 Jakub Jelinek <jakub@redhat.com>
3306 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3307 return value from cxx_eval_constant_expression from earlier
3308 elements if it is valid constant initializer requiring no
3311 2016-03-10 Marek Polacek <polacek@redhat.com>
3314 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3316 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3318 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3319 when calling c_finish_omp_clauses.
3321 2016-03-08 Jason Merrill <jason@redhat.com>
3323 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3324 diagnostic for use of "concept".
3325 (cp_parser_requires_clause_opt): And "requires".
3326 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3327 (cp_parser_explicit_template_declaration): Adjust.
3328 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3330 P0036R0: Unary Folds and Empty Parameter Packs
3331 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3333 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3336 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3337 even after the last iteration of the loop.
3339 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3341 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3344 * pt.c (get_template_info): Handle PARM_DECL.
3345 (template_class_depth): Check DECL_P instead of
3346 VAR_OR_FUNCTION_DECL_P.
3348 2016-03-05 Jason Merrill <jason@redhat.com>
3351 * constexpr.c (cxx_eval_store_expression): Replace
3352 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3354 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3357 * pt.c (template_class_depth): Given a lambda type, iterate
3358 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3359 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3362 2016-03-04 Jason Merrill <jason@redhat.com>
3365 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3366 * init.c (build_vec_delete_1): Set it.
3367 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3369 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3371 * decl.c (start_preparsed_function): Don't emit start clobber at the
3372 start of constructor clones.
3375 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3376 * decl.c (start_preparsed_function): Call
3377 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3378 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3379 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3381 2016-03-04 Jason Merrill <jason@redhat.com>
3384 * constexpr.c (cxx_eval_component_reference): Further tweak.
3386 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3387 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3388 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3389 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3392 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3395 2016-03-03 Jason Merrill <jason@redhat.com>
3397 * method.c (synthesized_method_walk): operator= can also be constexpr.
3399 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3400 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3403 * pt.c (copy_template_args): New.
3404 (tsubst_pack_expansion): Use it.
3406 * call.c (build_aggr_conv): Use get_nsdmi.
3409 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3412 * constexpr.c (cxx_eval_component_reference): Just return an empty
3413 CONSTRUCTOR for an empty class.
3415 2016-03-01 Jason Merrill <jason@redhat.com>
3418 * parser.c (cp_parser_requires_clause): Call
3419 check_for_bare_parameter_packs.
3422 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3426 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3427 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3428 [TARGET_EXPR]: Unshare init.
3430 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3434 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3437 2016-02-28 Jason Merrill <jason@redhat.com>
3440 * constexpr.c (cxx_eval_store_expression): Unshare init.
3442 2016-02-26 Jason Merrill <jason@redhat.com>
3445 * pt.c (make_argument_pack): New.
3446 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3447 (tsubst_copy_and_build): Likewise.
3449 2016-02-25 Jason Merrill <jason@redhat.com>
3452 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3453 * tree.c (build_aggr_init_expr): Set it.
3454 * semantics.c (simplify_aggr_init_expr): Check it.
3455 * cp-gimplify.c (cp_genericize_r): Don't walk into
3456 a call/aggr_init from a thunk.
3459 * method.c (forward_parm): Handle parameter packs.
3460 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3463 * constexpr.c (cxx_eval_component_reference): Don't complain about
3464 unevaluated empty classes.
3467 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3469 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3472 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3473 (maybe_undo_parenthesized_ref): Declare.
3474 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3476 (finish_call_expr): Use it.
3477 * typeck.c (check_return_expr): Use it.
3478 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3479 REF_PARENTHESIZED_P flag.
3481 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3484 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3486 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3488 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3489 unless they are folded into INTEGER_CST, error_mark_node or some
3490 comparison with NULL, avoid folding them and use either the original
3491 comparison or non-folded comparison of folded arguments.
3492 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3493 comparison, don't fold the comparison right away.
3495 2016-02-24 Jason Merrill <jason@redhat.com>
3498 * friend.c (make_friend_class): Likewise.
3499 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3501 2016-02-24 Jason Merrill <jason@redhat.com>
3504 * pt.c (instantiate_class_template_1): Set
3505 processing_template_decl before substituting friend_type.
3507 016-02-24 Martin Sebor <msebor@redhat.com>
3510 * tree.c (build_ctor_subob_ref): Compare types' main variants
3511 instead of the types as they are.
3513 2016-02-24 Jason Merrill <jason@redhat.com>
3515 * decl.c (start_preparsed_function): Condition ctor clobber on
3516 flag_lifetime_dse > 1.
3518 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3520 2016-02-19 Jason Merrill <jason@redhat.com>
3523 * call.c (remaining_arguments): No longer static.
3524 * cp-tree.h: Declare it.
3525 * pt.c (more_specialized_fn): Use it.
3527 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3528 Bernd Edlinger <bernd.edlinger@hotmail.de>
3530 * Make-lang.in: Invoke gperf with -L C++.
3531 * cfns.gperf: Remove prototypes for hash and libc_name_p
3533 * cfns.h: Regenerated.
3534 * except.c (nothrow_libfn_p): Adjust.
3536 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3539 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3540 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3542 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3545 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3547 * semantics.c (finish_call_expr): Don't assume a constructor
3548 call is dependent if only the "this" pointer is dependent. When
3549 building a constructor call, always use a dummy object.
3551 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3554 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3556 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3557 operators if folding preserved the binop, just with different
3561 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3562 attr_spec is always single element chain, chain all the attributes
3563 properly together in the right order.
3565 2016-02-18 Jason Merrill <jason@redhat.com>
3567 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3569 (mangle_decl): Call maybe_check_abi_tags for function scope.
3570 (mangle_guard_variable): Call maybe_check_abi_tags here.
3571 (write_guarded_var_name): Not here.
3573 2016-02-17 Jason Merrill <jason@redhat.com>
3576 * constexpr.c (build_constexpr_constructor_member_initializers):
3577 Handle an additional STATEMENT_LIST.
3580 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3583 * decl2.c (reset_type_linkage_2): Look through member templates.
3585 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3588 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3590 2016-02-17 Jason Merrill <jason@redhat.com>
3593 * method.c (forward_parm): Split out from...
3594 (add_one_base_init): ...here.
3595 * lambda.c (maybe_add_lambda_conv_op): Use it.
3597 2016-02-16 Jason Merrill <jason@redhat.com>
3601 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3602 tree.c, typeck2.c: Revert earlier changes.
3603 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3604 non-type templates after -> or .
3606 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3609 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3611 2016-02-16 Jason Merrill <jason@redhat.com>
3614 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3615 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3616 * name-lookup.h: Adjust.
3618 2016-02-16 James Norris <jnorris@codesourcery.com>
3620 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3621 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3623 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3626 * init.c (expand_default_init): Only call reshape_init
3627 in the direct-initialization from an initializer list case.
3629 2016-02-15 Jason Merrill <jason@redhat.com>
3632 * semantics.c (finish_call_expr): Implicit 'this' does not make
3634 * search.c (any_dependent_bases_p): Split out...
3635 * name-lookup.c (do_class_using_decl): ...from here.
3636 * call.c (build_new_method_call_1): Don't complain about missing object
3637 if there are dependent bases. Tweak error.
3638 * tree.c (non_static_member_function_p): Remove.
3639 * pt.c (type_dependent_expression_p): A member template of a
3640 dependent type is dependent.
3641 * cp-tree.h: Adjust.
3644 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3646 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3649 * pt.c (lookup_and_finish_template_variable): New function,
3651 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3652 (tsubst_qualified_id): Consider that EXPR might be a variable
3654 * typeck.c (check_template_keyword): Don't emit an error
3655 if DECL is a variable template.
3657 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3659 * error.c: Spelling fixes - behaviour -> behavior and
3660 neighbour -> neighbor.
3662 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3664 * init.c (build_delete): Likewise.
3666 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3669 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3670 arguments for -Waddress warning. Fix up formatting.
3672 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3675 * pt.c (lookup_template_class_1): Check tsubst return value for
3678 2016-02-10 Jason Merrill <jason@redhat.com>
3681 * pt.c (resolve_nondeduced_context): Add complain parm.
3682 (do_auto_deduction): Pass it.
3683 * cvt.c (convert_to_void): Likewise.
3684 * decl.c (cp_finish_decl): Likewise.
3685 * init.c (build_new): Likewise.
3686 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3687 * semantics.c (finish_decltype_type): Likewise.
3688 * typeck.c (decay_conversion): Likewise.
3689 * cp-tree.h: Adjust declaration.
3690 * call.c (standard_conversion): Add complain parm, pass it along.
3691 (implicit_conversion): Pass it.
3694 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3695 (lookup_name_real_1): Likewise.
3696 (remove_hidden_names): Handle non-functions too.
3699 * parser.c (cp_parser_lookup_name): When looking for a template
3700 after . or ->, only consider class templates.
3701 (cp_parser_postfix_dot_deref_expression): Handle the current
3702 instantiation. Remember a dependent object expression.
3703 * typeck2.c (build_x_arrow): Handle the current instantiation.
3705 * ptree.c (debug_tree): Implement for cp_expr.
3707 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3710 * parser.c (cp_parser_simple_type_specifier): Make the check
3711 for disambiguating between an 'auto' placeholder and an implicit
3712 template parameter more robust.
3714 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3718 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3719 setting its TREE_USED flag.
3721 2016-02-08 Jason Merrill <jason@redhat.com>
3724 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3727 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3730 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3731 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3733 2016-02-08 Marek Polacek <polacek@redhat.com>
3736 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3737 Call clear_fold_cache.
3738 * cp-tree.h: Adjust declaration.
3739 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3740 rather than clear_cv_cache and clear_fold_cache.
3741 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3743 2016-02-08 Jason Merrill <jason@redhat.com>
3745 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3746 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3747 (ocp_convert): Use *_maybe_fold.
3748 (cp_convert_to_pointer): Add dofold parameter.
3749 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3751 2016-02-05 Martin Sebor <msebor@redhat.com>
3754 * init.c (find_field_init): New function.
3755 (warn_placement_new_too_small): Call it. Handle one-element arrays
3756 at ends of structures special.
3758 2016-02-05 Jason Merrill <jason@redhat.com>
3761 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3762 make sure we've seen_error().
3764 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3767 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3768 if lookup_fnfields returns NULL_TREE and the name being looked
3769 up has the form A::A.
3771 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3773 * constexpr.c (cxx_eval_binary_expression): Fold equality
3774 comparisons involving PTRMEM_CSTs.
3776 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3778 * class.c (find_flexarrays): Don't declare dom variable.
3779 (diagnose_flexarray): Likewise.
3781 2016-02-02 Martain Sebor <msebor@redhat.com>
3788 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3789 of a flexible array member for equality to null.
3790 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3791 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3792 (check_flexarrays): Same.
3793 * decl.c (compute_array_index_type): Avoid special case for flexible
3795 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3797 * error.c (dump_type_suffix): Revert changes introduced in r231665
3798 and rendered unnecessary by the changes above.
3799 * pt.c (tsubst): Same.
3800 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3801 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3802 (process_init_constructor_array): Same.
3803 (process_init_constructor_record): Same.
3805 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3808 * pt.c (try_one_overload): Handle comparing argument packs so
3809 that there is no conflict if we deduced more arguments of an
3810 argument pack than were explicitly specified.
3812 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3813 Jason Merrill <jason@redhat.com>
3816 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3817 function type if nothing is changing.
3819 2016-01-31 Jason Merrill <jason@redhat.com>
3822 * pt.c (partial_specialization_p, impartial_args): New.
3823 (instantiate_decl): Call impartial_args.
3825 * mangle.c (maybe_check_abi_tags): New.
3826 (write_guarded_var_name): Call it.
3827 (mangle_ref_init_variable): Call check_abi_tags.
3829 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3830 between template and instantiation.
3832 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3835 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3836 function declarations.
3838 2016-01-29 Marek Polacek <polacek@redhat.com>
3842 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3843 out of bound" error earlier.
3844 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3847 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3849 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3850 structure, update free_binding_level before the structure's
3851 level_chain field gets cleared, not after.
3853 2016-01-28 Jason Merrill <jason@redhat.com>
3856 * search.c (dfs_walk_once, dfs_walk_once_r)
3857 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3858 hash_set instead of BINFO_MARKED.
3859 (dfs_unmark_r): Remove.
3861 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3864 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3865 (cp_lexer_debugging_p): Use it.
3866 (cp_lexer_start_debugging): Likewise.
3867 (cp_lexer_stop_debugging): Likewise.
3869 2016-01-27 Marek Polacek <polacek@redhat.com>
3872 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3873 needed. Add -Wsign-compare warning.
3875 2016-01-27 Ryan Burn <contact@rnburn.com>
3878 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3879 superfluous post_p argument in call to
3880 cilk_gimplify_call_params_in_spawned_fn.
3882 2016-01-27 Marek Polacek <polacek@redhat.com>
3885 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3886 wrapped in NOP_EXPRs.
3888 2016-01-27 Martin Sebor <msebor@redhat.com>
3891 * mangle.c (mangle_decl): Reference the correct (saved) version
3892 of the ABI in -Wabi diagnostics.
3894 2016-01-27 Marek Polacek <polacek@redhat.com>
3897 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3898 elements of the array.
3900 2016-01-26 Jason Merrill <jason@redhat.com>
3903 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3904 (cxx_eval_call_expression): Don't look through clones.
3905 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3906 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3907 maybe-in-charge *tor.
3909 2016-01-26 Jason Merrill <jason@redhat.com>
3912 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3913 and TREE_SIDE_EFFECTS.
3914 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3915 verify_constructor_flags.
3917 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3920 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3921 return error_mark_node instead of building trees with error_mark_node
3924 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3927 * error.c (print_instantiation_partial_context_line): Add missing
3928 newlines from output for the t == NULL case.
3929 (print_instantiation_partial_context): Remove call to pp_newline.
3931 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3934 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3939 * decl.c (grokdeclarator): Don't decay array parameter type to
3940 a pointer type if it's dependent.
3941 (grokparms): Invoke strip_top_quals instead of directly invoking
3942 cp_build_qualified_type.
3943 * pt.c (decay_dependent_array_parm_type): New static function.
3944 (type_unification_real): Call decay_dependent_array_parm_type
3945 to decay a dependent array parameter type to its corresponding
3946 pointer type before unification.
3947 (more_specialized_fn): Likewise.
3948 (get_bindings): Likewise.
3949 * tree.c (cp_build_qualified_type): Trivial typofix in
3952 2016-01-23 Martin Sebor <msebor@redhat.com>
3956 * decl2.c (is_late_template_attribute): Handle dependent argument
3957 to attribute align and attribute vector_size.
3959 2016-01-21 Jason Merrill <jason@redhat.com>
3962 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3963 for init-capture, too.
3966 * decl.c (type_is_deprecated): Don't look into a typedef.
3970 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3973 * decl.c (start_enum): Add attributes parameter.
3974 * parser.c (cp_parser_enum_specifier): Pass it.
3975 * pt.c (lookup_template_class_1): Pass it.
3976 * cp-tree.h: Adjust.
3978 2016-01-19 Jason Merrill <jason@redhat.com>
3981 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3983 2016-01-19 Marek Polacek <polacek@redhat.com>
3986 * constexpr.c (clear_cv_cache): New.
3987 * cp-gimplify.c (clear_fold_cache): New.
3988 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3989 * decl.c (finish_enum_value_list): Call them.
3992 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3994 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3999 * decl.c (grokdeclarator): Don't decay array parameter type to
4000 a pointer type if it's dependent.
4001 (grokparms): Invoke strip_top_quals instead of directly invoking
4002 cp_build_qualified_type.
4003 * pt.c (decay_dependent_array_parm_type): New static function.
4004 (type_unification_real): Call decay_dependent_array_parm_type
4005 to decay a dependent array parameter type to its corresponding
4006 pointer type before unification.
4007 (more_specialized_fn): Likewise.
4008 (get_bindings): Likewise.
4009 * tree.c (cp_build_qualified_type): Trivial typofix in
4012 2016-01-18 Jason Merrill <jason@redhat.com>
4014 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
4016 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
4019 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
4020 (contains_label_1, contains_label_p): Remove.
4022 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4025 * pt.c (type_dependent_expression_p): For a function template
4026 specialization, a type is dependent iff any of its template
4029 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4031 * cp-array-notation.c (cp_expand_cond_array_notations): Return
4032 error_mark_node only if find_rank failed, not if it was
4035 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4038 * tree.c (build_min_non_dep_call_vec): Don't retain the
4039 KOENIG_LOOKUP_P flag of the non-dependent expression that's
4041 (build_min_non_dep_op_overload): Instead, do it here.
4043 2016-01-15 Jakub Jelinek <jakub@redhat.com>
4046 * parser.h (cp_token): Remove pragma_kind field. Add comment
4047 with number of unused bits.
4048 * parser.c (eof_token): Remove pragma_kind field initializer.
4049 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
4050 field, don't clear CPP_PRAGMA u.value.
4051 (cp_parser_pragma_kind): New function.
4052 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4053 cp_parser_omp_construct, cp_parser_initial_pragma,
4054 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4057 2016-01-15 Jason Merrill <jason@redhat.com>
4060 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4062 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4066 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4067 array/function-to-pointer conversion. Call
4068 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4069 * call.c (convert_like_real): Print call context if
4070 decay_conversion errors.
4072 2016-01-14 Tom de Vries <tom@codesourcery.com>
4074 PR tree-optimization/68773
4075 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4078 2016-01-14 Jason Merrill <jason@redhat.com>
4081 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4083 2016-01-12 Marek Polacek <polacek@redhat.com>
4086 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4087 error_at and adjust the return value.
4089 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4093 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4094 GS_ERROR whenever seen_error (), only if *expr_p contains
4095 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4099 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4101 2016-01-11 Jason Merrill <jason@redhat.com>
4104 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4105 (process_subob_fn): Likewise. Don't consider triviality if true.
4106 (synthesize_method_walk): Pass it.
4108 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4111 * parser.c (cp_parser_postfix_expression): Initialize
4112 close_paren_loc to UNKNOWN_LOCATION; only use it if
4113 it has been written to by
4114 cp_parser_parenthesized_expression_list.
4115 (cp_parser_parenthesized_expression_list): Document the behavior
4116 with respect to the CLOSE_PAREN_LOC param.
4118 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4121 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4122 folded operands have side-effects, but folding changed any of them,
4123 build a new tree with the folded operands instead of returning the
4126 2016-01-09 Marek Polacek <polacek@redhat.com>
4129 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4131 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4134 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4136 2016-01-08 Jason Merrill <jason@redhat.com>
4139 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4142 2016-01-08 Marek Polacek <polacek@redhat.com>
4145 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4147 2016-01-08 Jason Merrill <jason@redhat.com>
4149 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4154 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4155 TREE_ADDRESSABLE type.
4159 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4161 2016-01-05 Nathan Sidwell <nathan@acm.org>
4164 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4167 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4169 Update copyright years.
4171 Copyright (C) 2016 Free Software Foundation, Inc.
4173 Copying and distribution of this file, with or without modification,
4174 are permitted in any medium without royalty provided the copyright
4175 notice and this notice are preserved.