1 2016-11-23 Jakub Jelinek <jakub@redhat.com>
4 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
5 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
6 with the object on lhs and maybe_constant_value returned expr on rhs.
9 * pt.c (tsubst_copy): Return error_mark_node when mark_used
10 fails, even when complain & tf_error.
13 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
14 false as handle_invisiref_parm_p to cp_genericize_tree.
15 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
16 (cp_genericize_r): Don't wrap is_invisiref_parm into references
17 if !wtd->handle_invisiref_parm_p.
18 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
19 set wtd.handle_invisiref_parm_p to it.
20 (cp_genericize): Pass true as handle_invisiref_parm_p to
21 cp_genericize_tree. Formatting fix.
23 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
26 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
27 Don't overload builtin functions with C++ functions.
28 Handle const_tm_ptr_type_node like file_ptr_node.
29 Copy the TREE_NOTHROW flag unmodified to the old decl.
31 2016-11-18 Jason Merrill <jason@redhat.com>
33 PR objc++/78418 - ICE in string tests on darwin
34 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
36 2016-11-18 Jakub Jelinek <jakub@redhat.com>
39 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
42 2016-11-18 Jason Merrill <jason@redhat.com>
44 PR c++/67631 - list-init and explicit conversions
45 * semantics.c (finish_compound_literal): Call digest_init_flags.
46 * typeck2.c (digest_init_flags): Add complain parm.
47 (store_init_value): Pass it.
49 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
50 Alan Hayward <alan.hayward@arm.com>
51 David Sherwood <david.sherwood@arm.com>
53 * class.c (finish_struct_bits): Use SET_DECL_MODE.
54 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
55 * decl.c (make_label_decl): Likewise.
56 * pt.c (tsubst_decl): Likewise.
58 2016-11-17 Jason Merrill <jason@redhat.com>
60 PR c++/78193 - inherited ctor regressions on sparc32.
61 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
62 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
63 (convert_like_real) [ck_rvalue]: Also pass non-addressable
66 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
69 * parser.c (cp_parser_non_integral_constant_expression): Issue a
70 pedwarn instead of an error for case NIC_FLOAT.
72 2016-11-17 Jason Merrill <jason@redhat.com>
74 PR c++/78124 - list-initialization and inherited ctor
75 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
77 PR c++/78369 - {} as default argument
78 * call.c (build_special_member_call): Handle CONSTRUCTOR.
81 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
83 2016-11-16 Jason Merrill <jason@redhat.com>
86 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
87 * typeck2.c (store_init_value): Likewise.
89 * decl.c (store_decomp_type, lookup_decomp_type): New.
90 (cp_finish_decomp): Call store_decomp_type.
91 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
92 * cp-tree.h: Declare lookup_decomp_type.
94 2016-11-15 Jakub Jelinek <jakub@redhat.com>
96 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
97 set DECL_ASSEMBLER_NAME.
98 * parser.c (cp_parser_decomposition_declaration): Likewise
99 if returning error_mark_node.
100 * mangle.c (mangle_decomp): New function.
101 * cp-tree.h (mangle_decomp): New declaration.
103 2016-11-15 Jason Merrill <jason@redhat.com>
106 * semantics.c (finish_decltype_type): Strip references for a tuple
108 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
110 * decl2.c (decl_maybe_constant_var_p): References qualify.
111 * constexpr.c (non_const_var_error): Handle references.
112 * init.c (constant_value_1): Always check decl_constant_var_p.
113 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
114 * error.c (dump_decl_name): Split out from dump_decl.
116 2016-11-14 Jason Merrill <jason@redhat.com>
118 * tree.c (bitfield_p): New.
119 * cp-tree.h: Declare it.
120 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
121 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
122 * decl.c (cp_finish_decomp): Look through reference. Always
123 SET_DECL_DECOMPOSITION_P.
124 * semantics.c (finish_decltype_type): Adjust decomposition handling.
126 2016-11-13 Jakub Jelinek <jakub@redhat.com>
127 Jason Merrill <jason@redhat.com>
129 Implement P0217R3 - C++17 structured bindings
130 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
131 (DECL_DECOMPOSITION_P): New
132 (enum auto_deduction_context): Add adc_decomp_type.
133 (enum cp_declarator_kind): Add cdk_decomp.
134 * constexpr.c (cxx_eval_constant_expression): Look through
136 (potential_constant_expression_1): Likewise.
137 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
138 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
139 (cp_finish_decl): Pass adc_decomp_type for decomposition.
140 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
141 (get_tuple_decomp_init, cp_finish_decomp): New.
142 (grokdeclarator): Handle decomposition.
143 * init.c (build_aggr_init): Handle decomposition array.
144 (build_vec_init): Handle initialization from { array }.
145 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
147 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
148 (function_declarator_p, strip_declarator_types)
149 (cp_parser_check_declarator_template_parameters): Likewise.
150 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
151 (cp_parser_simple_declaration): Parse decomposition.
152 (cp_parser_decomposition_declaration): New.
153 * pt.c (tsubst_decomp_names): New.
154 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
155 (do_auto_deduction): Handle adc_decomp_type.
156 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
157 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
158 * tree.c (lvalue_kind): Likewise.
159 (cp_build_reference_type): Handle reference collapsing.
161 2016-11-13 Jason Merrill <jason@redhat.com>
163 * call.c (build_new_method_call_1): Include template arguments in
165 (print_error_for_call_failure): Likewise.
166 (build_new_function_call): Pass them in.
167 * name-lookup.c (supplement_binding_1): Don't complain about a
168 conflict with an erroneous declaration.
169 * error.c (dump_decl): Fix printing of alias declaration.
170 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
171 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
172 * semantics.c (perform_koenig_lookup): Don't wrap an error in
175 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
178 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
180 2016-11-12 Jason Merrill <jason@redhat.com>
183 * typeck.c (convert_arguments): Handle default arg followed by none.
185 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
186 IMAGPART_EXPR can be lvalues.
190 * pt.c (check_specialization_namespace): Allow any enclosing
192 (check_unqualified_spec_or_inst): New.
193 (check_explicit_specialization): Call it.
194 * parser.c (cp_parser_elaborated_type_specifier)
195 (cp_parser_class_head): Call it.
197 2016-11-10 Jason Merrill <jason@redhat.com>
200 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
201 (instantiate_decl): It's OK to defer a constexpr function.
202 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
204 * decl2.c (decl_defined_p): Use it. No longer static.
205 * decl.c (redeclaration_error_message): Use decl_defined_p.
206 * constexpr.c (cxx_eval_call_expression): Set input_location around
207 call to instantiate_decl.
209 2016-11-10 Jakub Jelinek <jakub@redhat.com>
211 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
212 public or external symbols.
214 2016-11-09 Jakub Jelinek <jakub@redhat.com>
217 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
219 2016-11-09 Jason Merrill <jason@redhat.com>
221 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
222 for template template parameter.
223 (cp_parser_type_id_1): Improve diagnostic.
224 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
225 * pt.c (splice_late_return_type): Not here.
226 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
227 (do_class_deduction): Handle non-class templates.
229 Implement P0127R2, Declaring non-type parameters with auto.
230 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
231 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
233 * pt.c (do_auto_deduction): Add outer_targs parameter.
234 (convert_template_argument): Call do_auto_deduction. If adc_unify,
235 don't give up on dependent init.
236 (unify): Likewise. In C++17, walk into the type of a
238 (for_each_template_parm): Add any_fn parameter.
239 (struct pair_fn_data): Likewise.
240 (for_each_template_parm_r): Call it for any tree. In C++17, walk
241 into the type of a TEMPLATE_PARM_INDEX.
242 (zero_r, array_deduction_r, try_array_deduction): New.
243 (type_unification_real): Call try_array_deduction.
244 (get_partial_spec_bindings): Likewise.
246 2016-11-07 Jason Merrill <jason@redhat.com>
248 Implement P0012R1, Make exception specifications part of the type
250 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
251 (flag_noexcept_type, ce_type): New.
252 * call.c (build_conv): Add ck_fnptr.
253 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
254 (convert_like_real): Likewise.
255 (standard_conversion): Likewise. Allow function pointer
256 conversions for pointers to member functions.
257 (reference_compatible_p): Allow function pointer conversions.
258 (direct_reference_binding): Likewise.
259 (reference_binding): Reference-compatible is no longer a subset of
261 (is_subseq): Also strip ck_lvalue after next_conversion.
262 * class.c (instantiate_type): Check fnptr_conv_p.
263 (resolve_address_of_overloaded_function): Likewise.
264 * cvt.c (can_convert_tx_safety): Now static.
265 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
266 * decl.c (flag_noexcept_type): Define.
267 (cxx_init_decl_processing): Set it.
268 (bad_specifiers): Check it.
269 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
270 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
272 * mangle.c (struct globals): Add need_cxx1z_warning.
273 (mangle_decl): Check it.
274 (write_exception_spec): New.
275 (write_function_type): Call it.
276 (canonicalize_for_substitution): Handle exception spec.
277 (write_type): Likewise.
278 (write_encoding): Set processing_template_decl across mangling of
279 partially-instantiated type.
280 * pt.c (determine_specialization): Pass tf_fndecl_type.
281 (tsubst_decl, fn_type_unification): Likewise.
282 (tsubst): Strip tf_fndecl_type, pass it to
283 tsubst_exception_specification.
284 (convert_nontype_argument_function): Handle function pointer
286 (convert_nontype_argument): Likewise.
287 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
288 * rtti.c (ptr_initializer): Encode noexcept.
289 * tree.c (canonical_eh_spec): New.
290 (build_exception_variant): Use it.
291 * typeck.c (composite_pointer_type): Handle fnptr conversion.
292 (comp_except_specs): Compare canonical EH specs.
293 (structural_comptypes): Call it.
295 * call.c (standard_conversion): Reorganize pointer conversions.
296 * pt.c (convert_nontype_argument_function): Convert to ref here.
297 (convert_nontype_argument): Not here.
298 (convert_template_argument): Add original type to error message.
299 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
300 (unify): Compare function-qualifiers.
301 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
302 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
304 * pt.c (push_tinst_level_loc): Add template instantiations to the
305 announce_function stream.
307 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
310 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
311 to suppress unwanted warnings.
313 2016-11-03 Jason Merrill <jason@redhat.com>
316 * call.c (convert_default_arg): Look through inheriting ctors.
318 2016-11-03 Jakub Jelinek <jakub@redhat.com>
319 Alexandre Oliva <aoliva@redhat.com>
320 Jason Merrill <jason@redhat.com>
324 * tree.c (cp_check_qualified_type): Use check_base_type and
325 TYPE_QUALS comparison instead of check_qualified_type.
326 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
327 * cp-objcp-common.c (cp_get_debug_type): New function.
328 (cp_decl_dwarf_attribute): Don't handle types here.
329 (cp_type_dwarf_attribute): New function.
330 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
332 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
335 2016-11-03 Jason Merrill <jason@redhat.com>
337 * tree.c (cp_check_qualified_type): Call check_base_type instead
338 of check_qualified_type.
339 (cxx_type_hash_eq): Check ref-qualifiers.
340 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
342 2016-11-01 Jason Merrill <jason@redhat.com>
344 Implement P0136R1, Rewording inheriting constructors.
345 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
346 (inherited_ctor_rejection): New.
347 (add_function_candidate): Reject inherited ctors for copying.
348 (enforce_access): Use strip_inheriting_ctors.
349 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
350 (convert_like_real): Avoid copying inheriting ctor parameters.
351 (build_over_call): Likewise. A base ctor inheriting from vbase
352 has no parms. Sorry about varargs.
353 (joust): A local constructor beats inherited with the same convs.
354 * class.c (add_method): Handle hiding inheriting ctors.
355 (one_inherited_ctor): Handle new semantics.
356 (add_implicitly_declared_members): Pass using_decl down.
357 (build_clone): A base ctor inheriting from vbase has no parms.
358 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
359 (SET_DECL_INHERITED_CTOR): Likewise.
360 (DECL_INHERITED_CTOR_BASE): Adjust.
361 * constexpr.c: Adjust.
362 * error.c (dump_function_decl): Decorate inheriting ctors.
363 * init.c (emit_mem_initializers): Suppress access control in
365 * mangle.c (write_special_name_constructor): Handle new inheriting
367 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
368 (ctor_omit_inherited_parms, binfo_inherited_from): New.
369 (synthesized_method_walk): Use binfo_inherited_from. Suppress
370 access control in inheriting ctor.
371 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
372 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
373 (add_one_base_init, do_build_copy_constructor): Adjust.
374 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
375 (implicitly_declare_fn): Adjust.
376 (get_inherited_ctor): Remove.
377 * name-lookup.c (do_class_using_decl): Check for indirect ctor
379 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
380 (maybe_clone_body): Handle omitted parms in base clone.
381 (maybe_thunk_body): Don't thunk if base clone omits parms.
382 * pt.c (tsubst_decl): Adjust.
383 (instantiate_template_1): Suppress access control in inheriting
385 (fn_type_unification): Do deduction with inherited ctor.
386 * tree.c (special_function_p): Adjust.
388 2016-11-01 Jakub Jelinek <jakub@redhat.com>
390 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
392 2016-11-01 Jason Merrill <jason@redhat.com>
394 * class.c (declared_access): Split out from handle_using_decl.
396 2016-10-31 Jakub Jelinek <jakub@redhat.com>
399 * parser.c (cp_parser_postfix_expression): Replace return statement in
400 the first switch with setting postfix_expression to the return
401 expression and break;.
404 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
405 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
406 (tsubst_expr) <case LABEL_EXPR>: Likewise.
408 2016-09-11 Le-Chun Wu <lcwu@google.com>
409 Mark Wielaard <mjw@redhat.com>
411 * name-lookup.c (pushdecl_maybe_friend): When emitting a
412 shadowing warning, use the code corresponding to the
413 given -Wshadow= variant.
415 2016-10-26 Jason Merrill <jason@redhat.com>
417 * class.c (add_method): Allow using-declarations to coexist.
419 2016-10-25 Jason Merrill <jason@redhat.com>
421 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
422 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
423 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
424 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
426 2016-10-25 Jakub Jelinek <jakub@redhat.com>
428 * parser.c (cp_parser_postfix_expression): Adding missing break;.
430 * cp-tree.h (finish_builtin_launder): Declare.
431 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
432 * semantics.c (finish_builtin_launder): New function.
433 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
434 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
435 (potential_constant_expression_1): Likewise.
437 2016-10-24 Jakub Jelinek <jakub@redhat.com>
439 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
440 and DW_AT_rvalue_reference.
442 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
443 instead of TREE_CODE (x) == VAR_DECL.
444 * constraint.cc (get_concept_definition): Likewise.
445 (finish_shorthand_constraint): Likewise.
446 * init.c (warn_placement_new_too_small): Likewise.
447 * cp-gimplify.c (cp_genericize_r): Likewise.
449 2016-10-21 Jason Merrill <jason@redhat.com>
452 * pt.c (convert_template_argument): Call convert_nontype_argument
453 on value-dependent but not type-dependent arguments.
454 (convert_nontype_argument): Handle value-dependent arguments.
455 (canonicalize_expr_argument): New.
456 (deducible_expression, unify): Skip CONVERT_EXPR.
457 * error.c (dump_template_argument): Likewise.
458 * mangle.c (write_expression): Likewise.
460 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
462 2016-10-21 Jakub Jelinek <jakub@redhat.com>
464 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
467 2016-10-17 Jakub Jelinek <jakub@redhat.com>
469 * cp-objcp-common.h (cp_function_decl_explicit_p,
470 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
471 (cp_decl_dwarf_attribute): Declare.
472 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
473 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
474 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
475 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
476 * cp-objcp-common.c (cp_function_decl_explicit_p,
477 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
478 (cp_decl_dwarf_attribute): New function.
480 2016-10-15 Jason Merrill <jason@redhat.com>
483 * constexpr.c (maybe_simplify_trivial_copy): New.
484 (cxx_eval_store_expression): Call it.
485 * call.c (build_over_call): Use unsigned char for trivial copy.
487 2016-10-14 Jason Merrill <jason@redhat.com>
489 Implement P0017R1, C++17 aggregates with bases.
490 * class.c (build_base_field_1): Split out from...
491 (build_base_field): ...here. In C++17 mode, build a field for
493 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
494 (next_initializable_field): Allow base fields in C++17.
495 * typeck2.c (process_init_constructor_record): Likewise.
497 2016-10-14 Jakub Jelinek <jakub@redhat.com>
499 DR 1511 - const volatile variables and ODR
500 * decl.c (grokvardecl): Change flags argument to type_quals,
501 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
502 (grokdeclarator): Adjust grokvardecl caller.
504 2016-10-13 Martin Sebor <msebor@redhat.com>
507 * class.c (struct flexmems_t): Add members.
508 (find_flexarrays): Add arguments. Correct handling of anonymous
510 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
511 (check_flexarrays): Add argument.
512 (diagnose_invalid_flexarray): New functions.
514 2016-10-13 Jakub Jelinek <jakub@redhat.com>
515 Jason Merrill <jason@redhat.com>
517 Implement P0386R2 - C++17 inline variables
518 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
519 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
520 (DECL_VAR_DECLARED_INLINE_P): Define.
521 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
522 (DECL_INLINE_VAR_P): Define.
523 (diagnose_inline_vars_for_namespace): Declare.
524 * decl.c (diagnose_inline_vars_for_namespace): New function.
525 (duplicate_decls): For static data members copy
526 DECL_DECLARED_CONSTEXPR_P.
527 (redeclaration_error_message): Handle C++17 redundant redeclaration
528 of constexpr static data member outside of class.
529 (maybe_commonize_var): Handle inline variables.
530 (check_initializer): Ignore inline variables for diagnostics.
531 Adjust diagnostic wording for C++17.
532 (make_rtl_for_nonlocal_decl): Allow in-class definition of
533 inline static data members.
534 (bad_specifiers): Don't diagnose inline on variables here.
535 (grokvardecl): Add inlinep argument, non-static const inline variables
537 (check_static_variable_definition): Return early also for inline
539 (mark_inline_variable): New.
540 (grokdeclarator): Handle inline variables and inline static data
542 * typeck2.c (store_init_value): Don't diagnose non-constant
543 initializers for non-constexpr inline static data members.
544 * decl2.c (vague_linkage_p): Return true for inline variables.
545 (c_parse_final_cleanups): In-class declaration of inline static
546 data members is a definition. Call diagnose_inline_vars_for_namespace
547 through walk_namespaces.
548 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
549 of inline static data members.
551 2016-10-13 Jason Merrill <jason@redhat.com>
553 * decl.c (mark_inline_variable): New.
556 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
558 * decl2.c: Include memmodel.h.
561 2016-10-11 Jason Merrill <jason@redhat.com>
564 * init.c (build_new_1): Don't -Waligned-new about placement new.
565 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
566 * decl.c (cxx_init_decl_processing): New.
568 2016-10-10 Jason Merrill <jason@redhat.com>
572 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
573 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
575 2016-10-08 Jason Merrill <jason@redhat.com>
577 * cp-gimplify.c (cp_fold): Add variable name.
579 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
582 2016-10-07 Jason Merrill <jason@redhat.com>
584 Further P0135 refinement.
585 * call.c (build_user_type_conversion_1): Consider conversions from
586 a single element in an initializer-list.
587 (build_temp): Undo early_elide_copy change.
588 (build_over_call): Check that we don't try to copy a TARGET_EXPR
589 in C++17 mode. Set user_conv_p here.
590 (convert_like_real): Not here.
591 (check_self_delegation): Split out from...
592 (build_special_member_call): ...here. Handle C++17 copy elision.
593 * cvt.c (early_elide_copy): Remove.
594 (ocp_convert): Undo early_elide_copy change.
595 * except.c (build_throw): Likewise.
596 * init.c (expand_default_init): Likewise.
597 * typeck.c (cp_build_modify_expr): Likewise.
599 2016-10-07 Nathan Sidwell <nathan@acm.org>
603 * init.c (emit_mem_initializers): Don't construct vbases of
605 (push_base_cleanups): Don't push vbase cleanups for abstract class
607 * method.c (synthethesized_method_walk): Don't walk vbases of
608 abstract classes when in C++14 mode.
610 2016-10-07 Jakub Jelinek <jakub@redhat.com>
612 Implement LWG2296 helper intrinsic
613 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
614 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
615 * constexpr.c (potential_constant_expression_1): Likewise.
616 * error.c (dump_expr): Likewise.
617 * typeck.c (cp_build_addressof): New function.
618 * cp-tree.h (cp_build_addressof): Declare.
619 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
620 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
621 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
622 ADDRESSOF_EXPR. Add __builtin_addressof and
623 __has_unique_object_representations into syntax in function comment.
624 (pp_cxx_addressof_expression): New function.
625 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
627 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
630 * parser.c (cp_parser_base_specifier): Fix a warning.
632 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
635 * decl.c (grokdeclarator): Try to find the correct location for an
638 2016-10-07 Martin Liska <mliska@suse.cz>
640 * lambda.c (maybe_add_lambda_conv_op): Set default value.
642 2016-10-06 Jason Merrill <jason@redhat.com>
644 * call.c (build_temp, convert_like_real): Don't re-copy
645 TARGET_EXPR. Handle packed fields.
646 (build_x_va_arg): Wrap it in a TARGET_EXPR.
647 (build_over_call): Add sanity check.
648 * cvt.c (early_elide_copy): New.
649 (ocp_convert): Use it.
650 * except.c (build_throw): Use it.
651 * init.c (get_nsdmi): Put back the TARGET_EXPR.
652 (expand_default_init): Call early_elide_copy.
653 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
655 2016-10-06 Jakub Jelinek <jakub@redhat.com>
657 Implement P0258R2 - helper for C++17
658 std::has_unique_object_representations trait
659 * cp-tree.h (enum cp_trait_kind): Add
660 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
661 (struct lang_type_class): Add unique_obj_representations
662 and unique_obj_representations_set bitfields.
663 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
664 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
665 (type_has_unique_obj_representations): Declare.
666 * parser.c (cp_parser_primary_expression): Handle
667 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
668 (cp_parser_trait_expr): Likewise. Formatting fix.
669 * semantics.c (trait_expr_value, finish_trait_expr): Handle
670 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
671 * tree.c (type_has_unique_obj_representations): New function.
672 (record_has_unique_obj_representations): New function.
673 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
674 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
676 2016-10-05 Jason Merrill <jason@redhat.com>
678 Implement P0135R1, Guaranteed copy elision.
679 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
682 * call.c (reference_binding): Fix binding to member of temporary.
684 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
686 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
688 * semantics.c (finish_compound_literal): Handle class placeholder.
690 2016-10-05 Marek Polacek <polacek@redhat.com>
692 Implement P0305R1, Selection statements with initializer.
693 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
694 instead of finish_for_init_stmt.
695 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
696 * decl.c (poplevel): Adjust a comment.
697 * init.c (build_vec_init): Call finish_init_stmt instead of
698 finish_for_init_stmt.
699 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
700 * name-lookup.h (enum scope_kind): Likewise.
701 * parser.c (cp_parser_statement): Update commentary.
702 (cp_parser_init_statement_p): New function.
703 (cp_parser_selection_statement): Parse the optional init-statement.
704 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
705 (cp_parser_c_for): Likewise.
706 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
707 (cp_parser_range_for_member_function): Update commentary.
708 (cp_parser_iteration_statement):
709 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
710 * pt.c (tsubst_omp_for_iterator): Update commentary.
711 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
712 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
715 2016-10-04 Jason Merrill <jason@redhat.com>
718 * pt.c (do_class_deduction): Handle list-initialization.
719 (do_auto_deduction): Call it sooner.
720 (build_deduction_guide): Use tsubst_arg_types.
721 (rewrite_template_parm): Don't copy_type.
724 * constexpr.c (cxx_eval_component_reference): Use name matching
727 Implement P0091R2, Template argument deduction for class templates.
728 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
729 Use the location of the beginning of the type-specifier.
730 (cp_parser_init_declarator): Parse deduction guide.
731 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
732 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
733 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
734 * decl.c (grokdeclarator): Check for uninitialized auto here.
735 (start_decl_1): Not here.
736 (cp_finish_decl): Or here. Don't collapse a list when doing
738 (grokfndecl): Check deduction guide scope and body.
739 * error.c (dump_decl, dump_function_decl, dump_function_name):
740 Handle deduction guides.
741 * pt.c (make_template_placeholder, do_class_deduction): New.
742 (build_deduction_guide, rewrite_template_parm): New.
743 (dguide_name, dguide_name_p, deduction_guide_p): New.
744 (do_auto_deduction): Call do_class_deduction.
745 (splice_late_return_type, is_auto): Handle class placeholders.
746 (template_parms_level_to_args): Split from template_parms_to_args.
747 (tsubst_template_parms_level): Split from tsubst_template_parms.
748 * typeck2.c (build_functional_cast): Handle class placeholder.
750 2016-10-04 Martin Sebor <msebor@redhat.com>
753 * init.c (warn_placement_new_too_small): Avoid assuming an array type
756 2016-10-04 Jakub Jelinek <jakub@redhat.com>
759 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
760 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
763 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
764 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
765 (java_byte_type_node, java_short_type_node, java_int_type_node,
766 java_long_type_node, java_float_type_node, java_double_type_node,
767 java_char_type_node, java_boolean_type_node, lang_name_java,
768 jclass_node): Remove.
769 (enum languages): Remove lang_java.
770 (TYPE_FOR_JAVA): Remove.
771 (struct lang_type_class): Remove java_interface bit-field.
772 (TYPE_JAVA_INTERFACE): Remove.
773 (pragma_java_exceptions): Remove.
774 (check_java_method, build_java_class_ref): Remove prototypes.
775 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
776 * decl2.c (acceptable_java_type, check_java_method): Remove.
777 (import_export_decl): Remove TYPE_FOR_JAVA handling.
778 (build_java_method_aliases): Remove.
779 (c_parse_final_cleanups): Don't call build_java_method_aliases.
780 (possibly_inlined_p): Don't test pragma_java_exceptions.
781 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
782 (build_java_class_ref): Remove.
783 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
784 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
785 * except.c (eh_type_info): Remove java type handling.
786 (decl_is_java_type, choose_personality_routine): Remove.
787 (initialize_handler_parm): Don't call choose_personality_routine.
788 (expand_start_catch_block): Don't handle java types.
789 (build_throw): Likewise.
790 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
791 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
792 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
793 (java_iface_lookup_fn): Remove.
794 (build_java_interface_fn_ref): Remove.
795 * tree.c (cxx_attribute_table): Remove java_interface.
796 (handle_java_interface_attribute): Remove.
797 * lex.c (pragma_java_exceptions): Remove.
798 (init_cp_pragma): Don't register GCC java_exceptions pragma.
799 (handle_pragma_java_exceptions): Remove.
800 (retrofit_lang_decl): Don't handle lang_name_java.
801 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
802 * error.c (language_to_string): Don't handle lang_java.
803 * decl.c (record_builtin_java_type): Remove.
804 (initialize_predefined_identifiers): Remove Java.
805 (cxx_init_decl_processing): Remove java_*_type_node.
806 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
807 (grokfndecl): Likewise.
808 (check_special_function_return_type): Likewise.
809 (grokdeclarator): Don't set TYPE_FOR_JAVA.
810 (grokparms): Don't handle TYPE_FOR_JAVA.
811 (xref_basetypes): Likewise.
812 (check_function_type): Likewise.
813 (finish_constructor_body): Likewise.
814 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
815 and java_*_type_node.
816 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
817 (write_java_integer_type_codes): Remove.
818 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
819 (add_implicitly_declared_members, determine_key_method,
820 finish_struct_1): Likewise.
821 (push_lang_context): Don't handle lang_name_java.
823 2016-10-03 Marek Polacek <polacek@redhat.com>
826 * typeck.c (cp_build_binary_op): Pass original operands to
827 null_ptr_cst_p, not those after the default conversions.
829 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
831 * parser.c (cp_parser_condition): Fix a warning.
833 2016-09-29 Jakub Jelinek <jakub@redhat.com>
835 Implement P0001R1 - C++17 removal of register storage class specifier
836 * decl.c (cp_finish_decl): Diagnose register storage class
837 on vars except when used in GNU global or local register variable
839 (grokdeclarator): Diagnose register storage class on parameters.
840 * except.c (expand_start_catch_block): Set DECL_REGISTER only
841 after cp_finish_decl call.
843 2016-09-29 Marek Polacek <polacek@redhat.com>
845 * rtti.c (involves_incomplete_p): Add fall through comment.
847 2016-09-28 Jakub Jelinek <jakub@redhat.com>
850 * constexpr.c (enum constexpr_switch_state): New.
851 (struct constexpr_ctx): Add css_state field.
852 (label_matches): Add CTX and STMT arguments, remove I and
853 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
854 handle default labels according to css_state.
855 (cxx_eval_statement_list): Remove statement skipping, label_matches
856 and default_label handling code.
857 (cxx_eval_loop_expr): Exit after first iteration even if
858 switches (jump_target).
859 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
860 label has been seen in the body, but no cases matched, evaluate
861 the body second time.
862 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
863 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
864 statement is not skipped. For COND_EXPR during skipping, don't
865 evaluate condition, just the then block and if still skipping at the
866 end also the else block.
867 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
868 (is_sub_constant_expr): Likewise.
870 2016-09-27 Jakub Jelinek <jakub@redhat.com>
872 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
873 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
874 true instead of false as by_reference_p to add_capture for 'this'.
875 Parse '*this' simple-capture.
876 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
877 (add_capture): Adjust function comment. For id == this_identifier,
878 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
879 by value, and !by_reference_p as capturing '*this' by value.
880 (add_default_capture): For implicit 'this' capture, always pass
881 by_reference_p true rather than false.
884 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
885 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
886 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
888 2016-09-26 Nathan Sidwell <nathan@acm.org>
890 * init.c (expand_default_init): Fix } indentation.
891 * method.c (process_subob_fn): Simplify control structure to
893 (implicitly_declare_fn): Remove duplicated lambda ctor check.
895 2016-09-26 Marek Polacek <polacek@redhat.com>
898 * parser.c (cp_parser_storage_class_specifier_opt): Add
900 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
901 (cp_parser_cache_defarg): Likewise.
902 (cp_parser_omp_for_cond): Likewise.
903 * semantics.c (finish_decltype_type): Likewise.
904 * typeck.c (structural_comptypes): Likewise.
905 (cp_build_binary_op): Likewise.
906 (cp_build_modify_expr): Likewise.
908 2016-09-26 Marek Polacek <polacek@redhat.com>
911 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
912 (potential_constant_expression_1): Likewise.
913 * constraint.cc (function_concept_check_p): Check fn for null.
914 * parser.c (cp_parser_expression_statement): Handle attribute
916 (cp_parser_statement): Likewise.
917 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
919 (cp_parser_std_attribute): Handle fallthrough attribute.
920 (cp_parser_check_std_attribute): Add %< %> quotes.
921 * pt.c (tsubst_copy_and_build): Handle internal functions.
922 (instantiation_dependent_scope_ref_p): Return if the expression is
925 2016-09-24 Marek Polacek <polacek@redhat.com>
928 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
931 2016-09-23 Jakub Jelinek <jakub@redhat.com>
933 Implement P0138R2, C++17 construction rules for enum class values
934 * cp-tree.h (is_direct_enum_init): Declare.
935 * decl.c (is_direct_enum_init): New function.
936 (reshape_init): Use it.
937 * typeck.c (convert_for_assignment): Likewise.
939 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
942 * constexpr.c (call_stack): Remove unnecessary
943 = vNULL initialization of file scope vec.
945 * name-lookup.c (store_bindings, store_class_bindings): Don't
946 initialize static local bindings_need_stored to vNULL.
948 * typeck2.c (process_init_constructor_record): Use
949 CONSTRUCTOR_NELTS (...) instead of
950 vec_safe_length (CONSTRUCTOR_ELTS (...)).
951 * decl.c (reshape_init_r): Likewise.
952 (check_initializer): Likewise.
954 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
957 * class.c (build_base_path): Allow for lookup_base returning
960 2016-09-21 Jason Merrill <jason@redhat.com>
963 * call.c (null_ptr_cst_p): Check char_type_p.
965 2016-09-21 Jakub Jelinek <jakub@redhat.com>
968 * init.c (build_new_1): Don't suggest to use -faligned-new if
969 aligned_new_threshold is non-zero.
970 (type_has_new_extended_alignment): Change aligned_new_threshhold
971 to aligned_new_threshold.
972 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
973 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
974 * decl.c (cxx_init_decl_processing): Likewise.
976 2016-09-20 Jakub Jelinek <jakub@redhat.com>
979 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
980 FIELD_DECLs with error_mark_node type. Remove useless break; after
984 * parser.c (cp_parser_template_declaration_after_parameter): For 2
985 argument operator"" template set ok to false for
986 parm == error_mark_node.
989 * parser.c (cp_parser_std_attribute_list): Reject ... without
992 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
995 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
997 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1000 * parser.c (cp_parser_class_head): When
1001 processing_template_parmlist, don't assume that the
1002 class-head may start an explicit specialization.
1004 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1007 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1008 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1011 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1012 call is_really_empty_class on complete types.
1015 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1016 TYPE_HAS_MUTABLE_P for any bases.
1018 2016-09-16 Jason Merrill <jason@redhat.com>
1020 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1022 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1023 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1025 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1028 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1031 2016-09-14 Marek Polacek <polacek@redhat.com>
1033 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1034 expressions. Tweak an error message.
1036 2016-09-14 Marek Polacek <polacek@redhat.com>
1038 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1040 * decl2.c (one_static_initialization_or_destruction): Use true instead
1042 * init.c (build_vec_init): Use false instead of 0.
1043 * pt.c (tsubst_copy_and_build): Likewise.
1044 * semantics.c (simplify_loop_decl_cond): Likewise.
1045 * typeck.c (rationalize_conditional_expr): Likewise.
1046 (cp_build_binary_op): Use true instead of 1.
1047 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1049 (build_unary_op): Change nonconvert parameter type to bool.
1050 (unary_complex_lvalue): Use false instead of 0.
1052 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1054 Implement P0028R4, C++17 using attribute namespaces without repetition
1055 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1056 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1057 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1058 identifier after ::.
1059 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1060 to cp_parser_std_attribute calls.
1061 (cp_parser_std_attribute_spec): Parse optional C++17
1062 attribute-using-prefix, adjust grammar in function comment.
1065 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1066 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1067 (cxx_eval_pointer_plus_expression): Remove.
1068 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1069 call cxx_eval_pointer_plus_expression.
1071 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1073 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1074 add_fixit_insert to add_fixit_insert_before.
1075 (cp_parser_class_head): Likewise.
1077 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1080 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1081 * class.c (instantiate_type): Look through the SAVE_EXPR.
1083 2016-09-09 Jason Merrill <jason@redhat.com>
1085 Implement P0035R4, C++17 new of over-aligned types.
1086 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1087 (align_type_node): New macro.
1088 * call.c (build_operator_new_call): Handle C++17 aligned new.
1089 (second_parm_is_size_t, build_op_delete_call): Likewise.
1090 (non_placement_deallocation_fn_p): Likewise. Rename to
1091 usual_deallocation_fn_p.
1092 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1093 * decl.c (cxx_init_decl_processing): Add aligned new support.
1094 * init.c (type_has_new_extended_alignment): New.
1095 (build_new_1): Handle aligned new.
1096 * tree.c (vec_copy_and_insert): New.
1098 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1101 * decl2.c (do_static_initialization_or_destruction): Only
1102 call asan_dynamic_init_call if INITP is true.
1104 2016-09-01 Martin Sebor <msebor@redhat.com>
1106 * mangle.c: Increase buffer size to guarantee it fits the output
1107 of the formatted function regardless of its arguments.
1109 2016-09-01 Marek Polacek <polacek@redhat.com>
1112 * error.c (dump_type): Fix falls through comment.
1113 (dump_decl): Likewise.
1114 (dump_expr): Likewise.
1116 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1118 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1119 hint to ">>" within nested template argument list error.
1121 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1123 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1124 rather than add_fixit_misspelled_id.
1125 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1127 2016-08-29 Jason Merrill <jason@redhat.com>
1130 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1131 (mangle_thunk): Add thunk parameter.
1132 * method.c (finish_thunk): Pass it.
1133 * cp-tree.h: Declare it.
1135 2016-08-15 Jason Merrill <jason@redhat.com>
1137 Avoid calling a trivial default constructor.
1138 * class.c (default_ctor_p): New.
1139 (in_class_defaulted_default_constructor): Use it.
1140 (type_has_non_user_provided_default_constructor): Use it.
1141 * call.c (build_over_call): Handle trivial default constructor.
1142 * cp-tree.h: Declare default_ctor_p.
1145 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1148 2016-08-25 Marek Polacek <polacek@redhat.com>
1150 * parser.c (cp_parser_binary_expression): Pass LHS to
1151 warn_logical_not_parentheses.
1153 2016-08-18 Marek Polacek <polacek@redhat.com>
1156 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1157 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1158 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1159 (cp_parser_cache_defarg): Likewise.
1161 2016-08-12 Marek Polacek <polacek@redhat.com>
1164 * call.c (add_builtin_candidate): Add FALLTHRU.
1165 (build_integral_nontype_arg_conv): Adjust fall through comment.
1166 (build_new_op_1): Add FALLTHRU.
1167 (convert_like_real): Adjust fall through comment.
1168 * class.c (fixed_type_or_null): Likewise.
1169 * constexpr.c (cxx_eval_constant_expression): Likewise.
1170 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1171 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1172 (cp_fold): Add FALLTHRU.
1173 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1174 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1175 (pp_cxx_qualified_id): Likewise.
1176 (cxx_pretty_printer::constant): Adjust fall through comment.
1177 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1178 (pp_cxx_pm_expression): Adjust fall through comment.
1179 (cxx_pretty_printer::expression): Add FALLTHRU.
1180 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1181 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1182 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1183 * error.c (dump_type): Adjust fall through comment.
1184 (dump_decl): Likewise.
1185 * mangle.c (write_type): Likewise.
1186 * method.c (synthesized_method_walk): Add FALLTHRU.
1187 * name-lookup.c (arg_assoc_type): Likewise.
1188 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1189 (cp_parser_primary_expression): Add FALLTHRU.
1190 (cp_parser_operator): Likewise.
1191 * pt.c (find_parameter_packs_r): Likewise.
1192 (tsubst_aggr_type): Adjust fall through comment.
1193 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1194 * tree.c (lvalue_kind): Likewise.
1196 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1199 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1200 (cp_function_decl_explicit_p): Const_tree-ify.
1201 (cp_function_decl_deleted_p): Likewise.
1202 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1203 (cp_function_decl_explicit_p): Const_tree-ify.
1204 (cp_function_decl_deleted_p): Likewise.
1205 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1207 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1210 * constexpr.c (label_matches): Handle case range expressions.
1212 2016-08-11 Jason Merrill <jason@redhat.com>
1215 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1217 2016-08-10 Jason Merrill <jason@redhat.com>
1219 Implement C++17 constexpr if.
1220 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1221 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1222 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1223 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1224 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1225 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1226 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1227 (finish_if_stmt_cond): Require the condition of a
1228 constexpr if to be constant.
1229 * decl.c (level_for_constexpr_if): New.
1230 (named_label_entry): Add in_constexpr_if field.
1231 (poplevel_named_label_1): Set it.
1232 (check_goto): Check it.
1233 (check_previous_goto_1): Check level_for_constexpr_if.
1235 2016-08-09 Jason Merrill <jason@redhat.com>
1238 * decl2.c (any_dependent_type_attributes_p): New.
1239 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1240 * semantics.c (finish_id_expression): Check it.
1241 * typeck.c (finish_class_member_access_expr): Check it.
1244 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1246 Adjust mangling of ABI tags on class template member functions.
1247 * class.c (missing_abi_tags): New.
1248 (check_abi_tags): Don't check template. Add just_checking mode.
1249 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1250 (sorted_abi_tags): Split out from write_abi_tags.
1251 (struct releasing_vec): New.
1252 (write_unqualified_name): Only look for the primary
1253 template for types. Implement backward compatibility.
1256 * constexpr.c (cxx_eval_constant_expression): Check
1257 COMPLETE_TYPE_P before calling is_really_empty_class.
1258 * class.c (is_really_empty_class): Don't call complete_type.
1261 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1263 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1266 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1267 builtin aggregate types without TYPE_BINFO.
1269 2016-08-08 Jason Merrill <jason@redhat.com>
1271 Implement C++17 constexpr lambda.
1272 * class.c (finalize_literal_type_property): Handle lambdas.
1273 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1274 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1276 (cxx_eval_constant_expression): Handle capture proxy.
1277 (var_in_constexpr_fn): Don't check for C++14.
1278 (var_in_maybe_constexpr_fn): New.
1279 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1280 declarations not allowed in constexpr function. Handle
1281 STATIC_ASSERT, RANGE_FOR_STMT.
1282 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1283 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1284 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1285 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1286 (lambda_static_thunk_p): New.
1287 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1288 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1289 (cp_parser_decl_specifier_seq): Handle it.
1290 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1291 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1292 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1293 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1294 (dump_expr) [FUNCTION_DECL]: Pass it.
1296 2016-08-08 Jason Merrill <jason@redhat.com>
1299 * class.c (is_really_empty_class): Call complete_type.
1300 * constexpr.c (cxx_eval_constant_expression): Check
1301 is_really_empty_class.
1302 (potential_constant_expression_1): Likewise. Check for error type.
1304 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1307 * parser.c: Include tree-iterator.h.
1308 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1310 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1313 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1315 * call.c (convert_like_real): Harmonize diagnostics for invalid
1318 2016-08-05 Martin Sebor <msebor@redhat.com>
1320 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1321 the spelling of "constant-expression" in diagnostic messages
1323 (cxx_eval_constant_expression): Same.
1324 (cxx_eval_outermost_constant_expr): Same.
1325 (potential_constant_expression_1): Same.
1327 2016-08-05 Nathan Sidwell <nathan@acm.org>
1330 * pt.c (unify): TRAIT_EXPR is an expr.
1332 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1335 * lambda.c (add_capture): Check lambda_capture_field_type return
1336 value for error_mark_node.
1338 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1341 * pt.c (tsubst_qualified_id): Return error_mark_node if
1342 template_args is error_mark_node.
1344 2016-08-04 Jason Merrill <jason@redhat.com>
1347 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1350 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1351 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1352 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1353 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1356 * typeck.c (finish_class_member_access_expr): Avoid stripping
1357 SCOPE_REF to dependent base.
1359 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1361 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1362 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1363 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1364 Simplify code, and improve diagnostics.
1365 (cp_parser_oacc_routine): Likewise. Move pragma context
1367 (cp_parser_pragma): ... here.
1369 * parser.h (struct cp_omp_declare_simd_data): New.
1370 (struct cp_parser): Use it for oacc_routine member.
1371 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1372 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1373 Use it. Simplify code.
1374 (cp_parser_new): Initialize all members pointing to special
1375 parsing data structures.
1376 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1377 parser->cilk_simd_fn_info->clauses.
1378 (cp_parser_omp_declare_simd): Initialize
1379 parser->omp_declare_simd->clauses.
1380 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1382 2016-08-04 Marek Polacek <polacek@redhat.com>
1385 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1388 2016-08-01 Jason Merrill <jason@redhat.com>
1390 * mangle.c (mangle_decl): Warn about mangled name change even if
1393 * mangle.c (get_abi_tags): New.
1394 (find_substitution, write_unqualified_name, write_abi_tags)
1395 (maybe_check_abi_tags): Use it.
1397 * mangle.c (mangle_decl): Fix mangled name change warning.
1400 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1402 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1405 2016-07-30 Martin Sebor <msebor@redhat.com>
1409 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1410 involving null pointers.
1411 (cxx_eval_component_reference): Reject null pointer dereferences.
1412 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1413 (cxx_eval_constant_expression): Reject invalid expressions involving
1416 2016-07-29 Marek Polacek <polacek@redhat.com>
1419 * semantics.c (maybe_convert_cond): Use the location of COND for the
1420 parentheses warning.
1422 2016-07-29 Jason Merrill <jason@redhat.com>
1424 * decl.c (build_enumerator): Tweak diagnostic.
1427 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1428 * constexpr.c (build_data_member_initialization): Handle multiple
1429 initializers for the same field.
1431 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1434 * decl.c (build_enumerator): Check the type of the enumerator before
1435 calling cxx_constant_value.
1437 2016-07-27 Jason Merrill <jason@redhat.com>
1440 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1441 parameters with spec_tmpl. Call push_tinst_level.
1442 (most_specialized_partial_spec): Adjust.
1443 (more_specialized_partial_spec): Adjust.
1445 2016-07-25 Jason Merrill <jason@redhat.com>
1448 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1451 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1452 (build_lambda_object): Call build_x_compound_expr_from_list.
1453 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1457 * pt.c (coerce_template_parameter_pack): Fix logic for
1461 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1462 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1466 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1467 value of an element we're currently modifying.
1469 2016-07-24 Jason Merrill <jason@redhat.com>
1472 * pt.c (resolve_typename_type): Try to avoid calling
1473 currently_open_class.
1475 2016-07-23 Jason Merrill <jason@redhat.com>
1478 * call.c (add_list_candidates): Handle VTT parm.
1479 (build_new_method_call_1): Likewise.
1483 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1486 * class.c (walk_subobject_offsets): Handle 0-length array.
1489 * pt.c (tsubst): Also substitute into the template of a
1490 BOUND_TEMPLATE_TEMPLATE_PARM.
1493 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1496 * decl.c (reshape_init_r): Check complain for missing braces warning.
1498 2016-07-22 Jason Merrill <jason@redhat.com>
1501 * call.c (convert_like_real): Use lvalue_kind.
1505 * pt.c (tsubst_baselink): Call
1506 adjust_result_of_qualified_name_lookup for unqualified
1509 2016-07-21 Jason Merrill <jason@redhat.com>
1512 * semantics.c (apply_deduced_return_type): Call
1513 complete_type_or_else before building the new RESULT_DECL.
1516 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1517 (decl_constant_var_p): Use it instead.
1520 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1524 * call.c (unsafe_copy_elision_p): It's OK to elide when
1525 initializing an unknown object.
1527 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1528 trivial constructors.
1529 * method.c (do_build_copy_constructor): Don't copy tail padding
1530 even in a trivial constructor.
1532 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1535 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1536 Replace assert with test, return false if the goto isn't break
1537 or continue. Formatting fix.
1539 2016-07-21 Richard Biener <rguenther@suse.de>
1541 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1544 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1547 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1548 save/restore bc_label array.
1550 2016-07-21 Jason Merrill <jason@redhat.com>
1553 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1554 error parsing the lambda-declarator.
1557 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1558 between lowered and unlowered PTRMEM_CST.
1561 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1562 Don't set c_inhibit_evaluation_warnings.
1565 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1567 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1568 Jason Merrill <jason@redhat.com>
1570 Improving concepts performance and diagnostics.
1574 * cp-tree.def (CHECK_CONSTR): New.
1575 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1576 (CHECK_CONSTR_ARGS): New.
1577 * constraint.cc (make_predicate_constraint): Remove in favor of
1578 normalize_expression.
1579 (resolve_constraint_check): Actually return error_mark_node when
1581 (resolve_variable_concept_check): Perform coercion as if processing
1582 a template. Also return errors on resolution failure.
1583 (lift_*): Remove all of these functions. Don't unnecessarily inline
1585 (learn_*): Add facilities to memoize implications for subsumption
1586 during normalization.
1587 (expanding_concept): New.
1588 (expand_concept): New. Return the inlined and normalized definition
1589 of a concept when needed.
1590 (transform_*, xform_*): Rename to normalize_* to better reflect the
1591 responsibility of those functions.
1592 (normalize_template_id_expression): Check for non-boolean operands
1593 when possible. Generate check constraints instead of normal variable
1595 (normalize_call_expression): Report errors when resolution fails.
1596 (check_for_logical_overloads): Rewrite this check to more accurately
1598 (normalize_atom): Check for overloaded calls and invalid types before
1599 determining if the expression refers to a concept.
1600 (build_constraints): Don't cache normalized constraints or decomposed
1602 (finish_shorthand_constraint): Return a normalized expression instead
1603 of a predicate constraint.
1604 (finish_template_introduction): Same.
1605 (placeholder_extract_concept_and_args): Rewrite this since we only
1606 ever get check constraints here.
1607 (equivalent_placeholder_constraints): Rewrite in terms of check
1608 constraints, and handle error_mark_nodes correctly.
1609 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1610 (tsubst_implicit_conversion_constr)
1611 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1612 (tsubst_parameterized_constraint, tsubst_constraint): New.
1613 (tsbust_conjunection): Replace with tsubst_logical_operator and
1614 actually generate the right kind of constraint.
1615 (tsubst_requirement_body): Reverse the order of substituted arguments
1616 so that they appear in the order written (helps diagnostics).
1617 (satisfy_check_constraint): New.
1618 (satisfy_conjunction): Simplify.
1619 (satisfy_disjunction): Same.
1620 (satisfy_constraint_1): Handle check constraints.
1621 (eval_constr): New (private) global state.
1622 (evaluating_constraints_sentinel): New. Manages eval_constr.
1623 (satisfy_constraint): Add timing variables.
1624 (satisfy_associated_constraints): Add hooks for memoization.
1625 (evaluate_function_concept): Build a check constraint instead of
1626 normalizing its definition.
1627 (evaluate_variable_concept): Same.
1628 (evaluate_constraint_expression): Normalize, but in the current
1629 declaration processing context.
1630 (evaluating_constraints_p): New.
1631 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1632 (diagnose_*): Remove artificial indentation. Add a new parameter to
1633 each that tracks the current (complete) constraint prior to any
1635 (diagnose_expression): Removed.
1636 (diagnose_call_expression): Same.
1637 (diagnose_template_id): Same.
1638 (diagnose_template_id): New.
1639 (diagnose_logical_constraint): New.
1640 (diagnose_expression_constraint): Show the original expression.
1641 (diagnose_type_constraint): Show the original type.
1642 (diagnose_implicit_conversion_constraint): Be specific about
1643 failures, don't re-diagnose a known-to-be-failed substitutions,
1644 and manage elisions properly.
1645 (diagnose_argument_deduction_constraint): Same.
1646 (diagnose_exception_constraint): Same.
1647 (diagnose_parameterized_constraint): Same.
1648 (constraint_p): Allow EXPR_PACK_EXPANSION.
1649 * logic.cc (next_by_distance): Removed. No longer used.
1650 (any_p): Renamed from any_of.
1651 (term_entry, term_hasher): New.
1652 (term_list): Rewrite to include a hash table for quick lookup.
1653 Also, make less stateful.
1654 (proof_state): Extend to allow goals to be discharged once
1656 (non_atomic_constraint_p): New.
1657 (any_non_atomic_constraints_p): New.
1658 (...rest...): Previous implementation completely replaced with an
1659 iterative algorithm that opportunistically prunes the search space
1660 before committing to using more memory.
1661 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1662 (cp_parser_explicit_template_declaration): Same.
1663 * pt.c: (finish_template_variable): Be less redundant with this error
1665 (template_args_equal): No longer static.
1666 (tsubst_decl): Don't try to find specializations of variables that
1667 have already been instantiated.
1668 (build_non_dependent_expr): Avoid infinite recursion during concept
1670 (make_constrained_auto): Normalize constraints.
1671 (do_auto_deduction): When doing auto deduction from a
1672 partial-concept-id, be sure to include the explicit args checking
1674 (constraint_sat_*): New. Memoize satisfied constraints.
1675 (concept_spec_*): New. Memoize expressions associated with a concept
1677 (constraint_memos, concept_memos): New.
1678 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1679 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1680 (get_concept_expansion, save_concept_expansion): New.
1681 (hash_subsumption_args): New.
1682 (comp_subsumption_args): New.
1683 (subsumption_*): New. Memoize parts of the subsumption relation.
1684 (lookup_subsumption_result, save_subsumption_result): New.
1685 (init_constraint_processing): Initialize memo tables.
1686 (get_constraints): Shortcut if !flag_concepts.
1687 * decl.c (grokfndecl): Normalize constraints.
1688 * error.c (dump_simple_decl): Print "concept" when appropriate.
1689 (dump_function_decl): Same.
1690 (dump_template_decl): Don't write requirements when we're not
1691 printing the header.
1692 (dump_expr): Handle fold expressions.
1693 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1695 (get_fold_operator): New.
1696 (pp_cxx_unary_left_fold_expression): New.
1697 (pp_cxx_unary_right_fold_expression): New.
1698 (pp_cxx_binary_fold_expression): New.
1699 (pp_cxx_check_constraint): New.
1700 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1701 to make them easier to read when debugging.
1702 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1703 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1705 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1709 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1711 (suggest_alternatives_for): If no candidates are found, try
1712 lookup_name_fuzzy and report if if finds a suggestion.
1713 (consider_binding_level): New function.
1714 (lookup_name_fuzzy) New function.
1715 * parser.c: Include gcc-rich-location.h.
1716 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1718 (cp_keyword_starts_decl_specifier_p): ...this new function.
1719 (cp_parser_diagnose_invalid_type_name): When issuing
1720 "does not name a type" errors, attempt to make a suggestion using
1722 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1723 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1724 types that are not CLASS_TYPE_P, rather than rejecting individual
1727 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1730 * parser.c (cp_parser_save_member_function_body): Consume
1731 __transaction_relaxed or __transaction_atomic with optional
1732 attribute. Only skip catch with block if try keyword is seen.
1735 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1736 when evaluating call arguments. Use fold_builtin_call_array instead
1737 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1738 check the result with potential_constant_expression and call
1739 cxx_eval_constant_expression on it.
1741 2016-07-19 Jason Merrill <jason@redhat.com>
1744 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1745 handle ARGUMENT_PACK_SELECT.
1747 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1751 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1752 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1753 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1757 * call.c (build_op_call_1): Use convert_like_with_context only
1758 if cand->fn is a decl.
1761 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1762 For lval don't use cxx_eval_unary_expression and instead recurse
1763 and if needed rebuild the reference.
1766 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1769 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1770 fold *expr_p before genericizing it.
1773 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1775 2016-07-15 Jason Merrill <jason@redhat.com>
1778 * call.c (convert_like_real): Mask complain.
1779 * semantics.c (perform_koenig_lookup): Likewise.
1782 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1783 threw away DECL_SAVED_TREE.
1787 * call.c (add_template_conv_candidate): Disable if there are
1791 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1794 * pt.c (tsubst_attributes): Fix loop logic.
1798 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1799 (cp_parser_simple_declaration): Diagnose type definition in
1800 for-range-declaration.
1803 * operators.def: Add *_FOLD_EXPR.
1804 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1805 * mangle.c (write_expression): Handle fold-expressions.
1806 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1807 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1808 partial instantiation.
1811 * mangle.c (write_expression): Handle sizeof... an argument pack.
1814 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1817 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1818 artificial variables.
1820 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1822 * parser.c (cp_parser_oacc_declare): Don't scan for
1824 * semantics.c (handle_omp_array_sections): Mark data clauses with
1825 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1826 zero-length subarrays.
1828 2016-07-11 Jason Merrill <jason@redhat.com>
1830 * decl.c (store_parm_decls): Remove check for void parm.
1832 2016-07-08 Jason Merrill <jason@redhat.com>
1834 * cp-tree.h: Unpoison lvalue_p.
1835 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1836 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1839 * tree.c (obvalue_p): Rename from lvalue_p.
1840 (lvalue_p): Define for c-common.
1841 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1843 (cp_build_addr_expr_1): Remove obsolete code.
1845 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1846 * call.c, cp-tree.h, typeck.c: Adjust.
1848 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1850 P0145R2: Refining Expression Order for C++.
1851 * cp-gimplify.c (lvalue_has_side_effects): New.
1852 (cp_gimplify_expr): Implement assignment ordering.
1853 * call.c (op_is_ordered, build_over_call): Adjust for
1854 -fargs-in-order renaming to -fstrong-eval-order.
1855 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1857 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1858 Kai Tietz <ktietz70@googlemail.com>
1862 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1863 artificial vars, genericize their initializers.
1865 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1868 * parser.c (cp_parser_class_specifier_1): When reporting
1869 missing semicolons, use a fixit-hint to suggest insertion
1870 of a semicolon immediately after the closing brace,
1871 offsetting the reported column accordingly.
1873 2016-07-04 Jan Beulich <jbeulich@suse.com>
1875 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1877 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1879 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1880 Move pragma context checking into...
1881 (cp_parser_omp_cancellation_point): ... here, and improve
1882 diagnostic messages.
1883 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1884 Improve diagnostic messages.
1886 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1888 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1890 2016-06-24 Jason Merrill <jason@redhat.com>
1892 P0145R2: Refining Expression Order for C++.
1893 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1895 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1896 (build_target_expr): Call mark_rvalue_use.
1898 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1900 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1901 (build_over_call): For magic == 3, do no conversion only on 3rd
1904 2016-06-23 Andi Kleen <ak@linux.intel.com>
1906 * Make-lang.in: Add support for autofdo.
1908 2016-06-21 Jason Merrill <jason@redhat.com>
1910 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1911 args as our template has levels of parms.
1913 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1914 (type_dependent_expression_p): Use uses_outer_template_parms.
1916 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1918 * parser.c (cp_parser_string_literal): Convert non-standard
1919 concatenation error to directly use a rich_location, and
1920 use that to add the location of the first literal to the
1923 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1925 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1927 * error.c (dump_function_decl): Save the constexpr specifier too.
1929 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1931 * tree.c (builtin_valid_in_constant_expr_p): Test for
1932 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1934 (bot_manip): Likewise.
1935 * call.c (magic_varargs_p): Likewise.
1937 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1939 * decl.c (grokfndecl): Change pair of errors to error + inform.
1941 2016-06-17 Jason Merrill <jason@redhat.com>
1944 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1945 warning when there are dependent bases.
1947 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1949 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1950 processing_template_decl when checking for bitfields and unions.
1951 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1952 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1953 array sections with COMPONENT_REF bases.
1955 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1957 * parser.c (cp_parser_omp_var_list_no_open): Call
1958 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1959 * semantics.c (finish_omp_clauses): Don't ICE when
1960 processing_template_decl when checking for bitfields and unions.
1961 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1963 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1965 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
1966 "%qF" in warning_at instead of "%q+F" in warning.
1967 (check_redeclaration_exception_specification): Likewise in pedwarn
1968 (and error, inform, for consistency).
1969 * call.c (joust): Likewise.
1971 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1974 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
1975 code at the end of the for loop; also revert r159637 changes,
1976 add back the gcc_assert.
1977 * cp-tree.h (xref_basetypes): Adjust declaration.
1978 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
1980 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1982 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
1984 2016-06-14 David Malcolm <dmalcolm@redhat.com>
1986 * typeck.c: Include "gcc-rich-location.h".
1987 (finish_class_member_access_expr): Simplify fixit code by
1988 using gcc_rich_location::add_fixit_misspelled_id.
1990 2016-06-14 Jason Merrill <jason@redhat.com>
1992 P0145R2: Refining Expression Order for C++.
1993 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
1994 (CALL_EXPR_REVERSE_ARGS): New.
1995 * call.c (build_new_op_1): Set them.
1996 (extract_call_expr, op_is_ordered): New.
1997 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
1998 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
1999 * pt.c (tsubst_copy_and_build): Copy new flags.
2000 * semantics.c (simplify_aggr_init_expr): Likewise.
2001 * tree.c (build_aggr_init_expr): Likewise.
2002 (build_min_non_dep_op_overload): Likewise.
2004 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2007 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2008 olddecl vars, preserve their TREE_READONLY bit.
2011 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2013 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2015 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2017 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2019 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2021 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2024 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2027 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2031 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2034 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2035 emits an error do not zero the type.
2037 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2039 * decl.c (maybe_deduce_size_from_array_init): Use
2040 DECL_SOURCE_LOCATION in error_at.
2041 (layout_var_decl): Likewise.
2042 (check_array_initializer): Likewise.
2043 (check_initializer): Likewise.
2044 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2046 2016-06-08 Martin Sebor <msebor@redhat.com>
2047 Jakub Jelinek <jakub@redhat.com>
2051 * constexpr.c: Include gimple-fold.h.
2052 (cxx_eval_internal_function): New function.
2053 (cxx_eval_call_expression): Call it.
2054 (potential_constant_expression_1): Handle integer arithmetic
2056 * tree.c (builtin_valid_in_constant_expr_p): Handle
2057 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2059 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2061 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2062 return value of tsubst_aggr_type for error_mark_node.
2064 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2067 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2069 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2070 Patrick Palka <ppalka@gcc.gnu.org>
2075 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2076 right after cp_fold call if cp_fold has returned the same stmt
2077 already in some earlier cp_fold_r call.
2078 (cp_fold_function): Add pset automatic variable, pass its address
2081 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2084 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2085 emits an error do not zero the type.
2087 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2090 * decl.c (duplicate_decls): Properly copy the
2091 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2092 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2094 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2096 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2097 arguments as addressable when async clause exists.
2099 2016-06-02 Jan Hubicka <jh@suse.cz>
2101 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2104 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2106 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2107 (start_enum): Likewise.
2108 * parser.c (cp_parser_class_head): Likewise.
2110 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2113 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2114 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2115 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2116 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2117 to the newly built tree.
2119 2016-05-31 Jason Merrill <jason@redhat.com>
2121 * pt.c (instantiate_decl): Avoid recalculation.
2126 * pt.c (instantiate_template_1): Don't put the partial
2127 specialization in DECL_TI_TEMPLATE.
2128 (partial_specialization_p, impartial_args): Remove.
2129 (regenerate_decl_from_template): Add args parm.
2130 (instantiate_decl): Look up the partial specialization again.
2133 * pt.c (check_explicit_specialization): Give better diagnostic about
2134 specializing a hidden friend.
2136 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2139 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2140 to obtain correct locations; avoid redundant diagnostics on
2141 out-of-class definitions.
2143 2016-05-30 Martin Sebor <msebor@redhat.com>
2146 * init.c (warn_placement_new_too_small): Handle placement new arguments
2147 that are elements of arrays more carefully. Remove a pointless loop.
2149 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2152 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2153 when combined with target construct.
2154 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2155 to cp_parser_omp_all_clauses.
2157 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2160 * lex.c (unqualified_name_lookup_error): Take a location too.
2161 (unqualified_fn_lookup_error): Take a cp_expr.
2162 * cp-tree.h (unqualified_name_lookup_error,
2163 unqualified_fn_lookup_error): Adjust declarations.
2164 * semantics.c (perform_koenig_lookup): Adjust
2165 unqualified_fn_lookup_error call, pass the location of
2166 the identifier too as part of a cp_expr.
2168 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2171 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2172 to improve the diagnostic about wrong uses of 'virtual'.
2174 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2177 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2178 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2180 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2184 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2185 decls into the global scope after stripping template bits
2186 and setting DECL_ANTICIPATED.
2188 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2191 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2193 * name-lookup.h (push_namespace): Adjust declaration.
2194 * parser.c (cp_parser_namespace_definition): Check push_namespace
2197 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2200 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2201 decls into the global scope after stripping template bits
2202 and setting DECL_ANTICIPATED.
2204 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2206 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2207 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2209 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2213 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2215 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2216 on the qualified_id then propagate it to the resulting
2218 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2220 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2221 its REF_PARENTHESIZED_P flag.
2223 2016-05-25 Jason Merrill <jason@redhat.com>
2227 * cp-tree.h (enum tag_types): Add scope_type.
2228 * parser.c (cp_parser_class_name): Use scope_type.
2229 (prefer_type_arg): Handle scope_type.
2230 (cp_parser_lookup_name): Use prefer_type_arg.
2231 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2232 int prefer_type, use lookup_flags.
2233 * name-lookup.h: Adjust.
2235 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2237 * parser.c (cp_parser_oacc_declare): Add support for
2238 GOMP_MAP_FIRSTPRIVATE_POINTER.
2239 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2240 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2242 (handle_omp_array_sections): Replace bool is_omp argument with enum
2243 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2244 (finish_omp_clauses): Add specific errors and warning messages for
2245 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2246 call to handle_omp_array_sections.
2248 2016-05-24 Jason Merrill <jason@redhat.com>
2251 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2253 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2255 2016-05-24 Martin Sebor <msebor@redhat.com>
2258 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2259 * pt.c (instantiate_class_template_1): Try to complete the element
2260 type of a flexible array member.
2261 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2262 * typeck.c (complete_type): Also complete the type of the elements of
2263 arrays with an unspecified bound.
2265 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2268 * typeck2.c (check_narrowing): Check pedwarn return value.
2270 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2273 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2274 For OMP_CLAUSE_LINEAR_REF don't require type to be
2275 integral or pointer.
2277 2016-05-24 Richard Biener <rguenther@suse.de>
2281 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2282 * constexpr.c (cxx_eval_array_reference): Handle indexed
2284 * typeck.c (cp_build_array_ref): Adjust.
2286 2016-05-23 Jason Merrill <jason@redhat.com>
2289 * constexpr.c (cxx_eval_call_expression): Check for
2290 fun == current_function_decl again.
2293 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2294 maybe_undo_parenthesized_ref.
2297 * pt.c (tsubst_copy): Just return a local variable from
2298 non-template context. Don't call rest_of_decl_compilation for
2299 duplicated static locals.
2300 (tsubst_decl): Set DECL_CONTEXT of local static from another
2303 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2306 * method.c (forward_parm): Use cp_build_reference_type.
2308 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2311 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2313 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2315 * pt.c (check_for_bare_parameter_packs): Improve error message
2316 location for expressions.
2318 2016-05-20 Nathan Sidwell <nathan@acm.org>
2320 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2322 (cxx_eval_call_expression): Fix comment grammar.
2324 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2327 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2328 and return immediately in case of erroneous code.
2330 2016-05-19 Marek Polacek <polacek@redhat.com>
2333 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2335 2016-05-19 Jason Merrill <jason@redhat.com>
2338 * pt.c (fn_type_unification): Add outer template args if needed.
2339 (type_unification_real): Handle getting full args.
2341 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2344 * parser.c (cp_parser_operator): For array new/delete, check that
2345 cp_parser_require returned a non-NULL token before dereferencing
2348 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2350 * decl.c (finish_enum_value_list): Use the specified mode.
2352 2016-05-18 Jason Merrill <jason@redhat.com>
2354 * pt.c (value_dependent_expression_p): Tweak new cases to better
2355 match the wording in the standard.
2357 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2360 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2361 when the previous cp_lexer_peek_token returns CPP_EOF.
2363 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2366 * call.c (convert_like_real): Check that we are actually converting
2369 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2371 * decl.c (grokdeclarator): Remove errmsg and use of
2372 targetm.invalid_return_type.
2373 (grokparms): Remove errmsg and use of
2374 targetm.invalid_parameter_type.
2376 2016-05-13 Jason Merrill <jason@redhat.com>
2380 * pt.c (tsubst_decl): Use uses_template_parms.
2381 (instantiate_template_1): Handle non-dependent calls in templates.
2382 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2383 (type_dependent_expression_p): Only consider innermost template args.
2384 (dependent_template_arg_p): Check enclosing class of a template here.
2385 (dependent_template_p): Not here.
2386 (type_dependent_object_expression_p): New.
2387 * typeck.c (finish_class_member_access_expr): Use it.
2388 * parser.c (cp_parser_postfix_expression): Use it.
2389 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2390 to detect the current instantiation.
2391 (cp_parser_lookup_name): Really implement DR 141.
2392 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2393 (any_dependent_bases_p): Split out from...
2394 * name-lookup.c (do_class_using_decl): ...here.
2395 * call.c (build_new_method_call_1): Use it.
2396 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2397 * tree.c (non_static_member_function_p): Remove.
2398 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2400 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2401 complete_type_or_else for unknown_type_node, too.
2403 2016-05-12 Marek Polacek <polacek@redhat.com>
2406 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2407 * cp-tree.h (cp_build_modify_expr): Update declaration.
2408 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2410 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2411 cp_build_modify_expr.
2412 * decl2.c (set_guard): Likewise.
2413 (handle_tls_init): Likewise.
2414 * init.c (perform_member_init): Likewise.
2415 (expand_virtual_init): Likewise.
2416 (build_new_1): Likewise.
2417 (build_vec_delete_1): Likewise.
2418 (get_temp_regvar): Likewise.
2419 (build_vec_init): Likewise.
2420 * method.c (do_build_copy_assign): Likewise.
2421 (assignable_expr): Likewise.
2422 * semantics.c (finish_omp_for): Likewise.
2423 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2425 (cp_pointer_int_sum): Add location parameter. Pass it down to
2427 (pointer_diff): Add location parameter. Use it.
2428 (build_modify_expr): Pass location down to cp_build_modify_expr.
2429 (cp_build_modify_expr): Add location parameter. Use it.
2430 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2431 * typeck2.c (cxx_incomplete_type_diagnostic,
2432 cxx_incomplete_type_error): Add location parameter.
2434 2016-05-11 Marek Polacek <polacek@redhat.com>
2437 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2439 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2441 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2442 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2444 2016-05-04 Marek Polacek <polacek@redhat.com>
2446 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2447 with OPT_Wdangling_else.
2449 2016-05-03 Martin Sebor <msebor@redhat.com>
2452 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2453 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2455 2016-05-03 Marek Polacek <polacek@redhat.com>
2458 * call.c (build_cxx_call): Pass location and vNULL down to
2459 check_builtin_function_arguments.
2461 2016-05-03 Richard Biener <rguenther@suse.de>
2463 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2464 the checksum from the previous stage.
2466 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2469 * typeck.c (finish_class_member_access_expr): When
2470 giving a hint about a possibly-misspelled member name,
2471 add a fix-it replacement hint.
2473 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2475 * cp-tree.h (finish_omp_clauses): Update prototype.
2476 * parser.c (cp_parser_oacc_all_clauses): Update call to
2478 (cp_parser_omp_all_clauses): Likewise.
2479 (cp_parser_omp_for_loop): Likewise.
2480 (cp_omp_split_clauses): Likewise.
2481 (cp_parser_oacc_cache): Likewise.
2482 (cp_parser_oacc_loop): Likewise.
2483 (cp_parser_omp_declare_target):
2484 (cp_parser_cilk_simd_all_clauses): Likewise.
2485 (cp_parser_cilk_for): Likewise.
2486 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2487 arguments with enum c_omp_region_type ort.
2488 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2489 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2490 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2491 (tsubst_expr): Update calls to tsubst_omp_clauses.
2492 * semantics.c (finish_omp_clauses): Replace bool arguments
2493 allow_fields, declare_simd, and is_cilk with bitmask ort.
2494 (finish_omp_for): Update call to finish_omp_clauses.
2496 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2499 * parser.c (cp_parser_class_head): Capture the start location;
2500 use it to emit a fix-it insertion hint when complaining
2501 about missing "template <> " in explicit specializations.
2503 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2505 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2507 2016-05-02 Richard Biener <rguenther@suse.de>
2509 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2512 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2515 * class.c (check_field_decl): Remove final int* parameter, change
2516 the return type to bool; fix logic in order not to reject multiple
2517 initialized fields in anonymous struct.
2518 (check_field_decls): Adjust call.
2520 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2523 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2524 OACC_LOOP_CLAUSE_MASK.
2525 (cp_parser_oacc_kernels_parallel): Update call to
2526 c_oacc_split_loop_clauses.
2528 2016-04-28 Jason Merrill <jason@redhat.com>
2530 Implement C++17 [[nodiscard]] attribute.
2533 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2534 * tree.c (handle_nodiscard_attribute): New.
2535 (cxx_attribute_table): Add [[nodiscard]].
2536 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2537 (maybe_warn_nodiscard): New.
2538 (convert_to_void): Call it.
2540 * cvt.c (cp_get_callee): New.
2541 * constexpr.c (get_function_named_in_call): Use it.
2542 * cxx-pretty-print.c (postfix_expression): Use it.
2543 * except.c (check_noexcept_r): Use it.
2544 * method.c (check_nontriv): Use it.
2545 * tree.c (build_aggr_init_expr): Use it.
2546 * cp-tree.h: Declare it.
2548 2015-04-27 Ryan Burn <contact@rnburn.com>
2549 Jeff Law <law@redhat.com>
2553 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2554 instead of cilk_detect_spawn_and_unwrap.
2555 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2557 (cilk_cp_detect_spawn_and_unwrap): New.
2558 * lambda.c: Include cp-cilkplus.h.
2559 * parser.c: Include cp-cilkplus.h.
2560 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2561 * cp-cilkpus.h: New file.
2563 2016-04-27 Nathan Sidwell <nathan@acm.org>
2565 * constexpr.c (get_fundef_copy): Use the original function for
2566 non-recursive evaluations.
2567 (save_fundef_copy): Always expect a slot to be available.
2569 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2571 * parser.c (cp_parser_postfix_expression): Call
2572 warn_for_memset instead of warning directly here.
2574 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2577 * decl.c (build_enumerator): Set current_access_specifier when
2578 declaring an enumerator belonging to an in-class enumeration.
2579 * parser.c (cp_parser_check_access_in_redecleration): Also
2580 consider in-class enumerations.
2582 2016-04-26 Marek Polacek <polacek@redhat.com>
2585 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2586 instead of stabilize_reference.
2587 (build_over_call): Likewise.
2588 * cp-tree.h (cp_stabilize_reference): Declare.
2589 * tree.c (cp_stabilize_reference): New function.
2590 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2591 stabilize_reference.
2592 (unary_complex_lvalue): Likewise.
2593 (cp_build_modify_expr): Likewise.
2595 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2598 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2601 2016-04-25 Jason Merrill <jason@redhat.com>
2603 * tree.c (std_attribute_table): New.
2604 (init_tree): Register it.
2606 2016-04-22 Jason Merrill <jason@redhat.com>
2608 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2610 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2612 * name-lookup.c (free_saved_scope): New free list of saved_scope
2614 (push_to_top_level): Attempt to reuse a saved_scope struct
2615 from free_saved_scope instead of allocating a new one each time.
2616 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2617 onto free_saved_scope.
2619 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2622 * semantics.c (process_outer_var_ref): Unconditionally return
2623 error_mark_node when mark_used returns false.
2625 2016-04-21 Marek Polacek <polacek@redhat.com>
2628 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2629 extra qualification.
2631 2016-04-20 Nathan Sidwell <nathan@acm.org>
2634 * init.c (build_vec_delete_1): Protect operator delete call in try
2636 (build_delete): Likewise.
2637 * optimize.c (build_delete_destructor_body): Likewise.
2639 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2642 * cp-tree.h (finish_omp_clauses): Add new default argument.
2643 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2644 instead of c_finish_cilk_clauses.
2645 * semantics.c (finish_omp_clauses): Add new argument. Allow
2646 floating-point variables in the linear clause for Cilk Plus.
2648 2016-04-20 Nathan Sidwell <nathan@acm.org>
2650 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2653 2016-04-19 Jason Merrill <jason@redhat.com>
2656 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2657 * pt.c (make_pack_expansion): Call mark_exp_read.
2658 * semantics.c (finish_id_expression): Call mark_type_use in
2659 unevaluated context.
2662 * call.c (implicit_conversion): If we choose a copy constructor
2663 for list-initialization from the same type, the conversion is an
2666 * constexpr.c (breaks): Handle EXIT_EXPR.
2667 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2668 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2673 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2676 * pt.c (tsubst_expr): Remove shadowing declaration.
2677 (tsubst_pack_expansion): Add assert.
2679 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2682 * name-lookup.c (qualified_lookup_using_namespace): Look through
2685 2016-04-18 Michael Matz <matz@suse.de>
2687 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2688 (layout_class_type): Ditto.
2689 (build_base_field): Use SET_DECL_ALIGN.
2690 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2691 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2692 (record_unknown_type): Use SET_TYPE_ALIGN.
2693 (cxx_init_decl_processing): Ditto.
2694 (copy_type_enum): Ditto.
2695 (grokfndecl): Use SET_DECL_ALIGN.
2696 (copy_type_enum): Use SET_TYPE_ALIGN.
2697 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2699 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2700 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2701 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2702 * rtti.c (emit_tinfo_decl): Ditto.
2704 2016-04-18 Jason Merrill <jason@redhat.com>
2708 * class.c (type_maybe_constexpr_default_constructor): New.
2709 (type_has_constexpr_default_constructor): Revert.
2711 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2715 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2716 (handle_com_interface_attribute): Delete.
2718 2016-04-15 Jason Merrill <jason@redhat.com>
2721 * constexpr.c (get_fundef_copy): Handle null *slot.
2724 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2725 unknown_type_node, too.
2727 2016-04-15 Jason Merrill <jason@redhat.com>
2728 Nathan Sidwell <nathan@acm.org>
2731 * constexpr.c (constexpr_call_table): Preserve in GC.
2732 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2733 (fundef_copies_table): Preserve in GC. Change to pointer to
2735 (maybe_initialize_fundef_copies_table): Adjust.
2736 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2737 (save_fundef_copy): Adjust for a TREE_LIST.
2738 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2739 (fini_constexpr): New.
2740 * cp-tree.h (fini_constexpr): Declare.
2741 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2743 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2746 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2748 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2749 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2750 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2751 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2752 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2753 cp_parser_statement.
2754 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2755 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2756 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2757 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2758 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2759 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2760 cp_parser_omp_taskloop, cp_parser_omp_construct,
2761 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2762 Add IF_P argument, pass it down where needed.
2763 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2764 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2767 2016-04-14 Jason Merrill <jason@redhat.com>
2770 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2771 * typeck2.c (split_nonconstant_init_1): Use it.
2774 * class.c (type_has_constexpr_default_constructor): Return true
2775 for an implicitly declared constructor.
2778 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2779 (cp_parser_simple_declaration): Pass it.
2780 (strip_declarator_types): New.
2783 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2784 initializer also makes the variable value-dependent.
2787 * constexpr.c (cxx_eval_store_expression): Also copy
2788 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2790 2016-04-14 Martin Sebor <msebor@redhat.com>
2795 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2797 2016-04-14 Jason Merrill <jason@redhat.com>
2799 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2800 parameter ABI change.
2802 2016-04-13 Martin Sebor <msebor@redhat.com>
2807 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2809 * decl.c (check_initializer, cp_finish_decl): Call them.
2810 (reshape_init_r): Reject incompletely braced intializer-lists
2812 * init.c (throw_bad_array_length, build_vla_check)
2813 (build_vla_size_check, build_vla_init_check): Define new functions.
2814 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2816 (store_init_value): Same.
2818 2016-04-13 Jason Merrill <jason@redhat.com>
2820 Warn about empty parameter ABI with -Wabi=9.
2821 * call.c (empty_class_msg, mark_for_abi_warning)
2822 (warn_empty_class_abi): New.
2823 (build_call_a): Use them.
2824 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2825 * error.c (pp_format_to_string): New.
2827 Pass empty class parameters like C.
2828 * call.c (pass_as_empty_struct, empty_class_arg): New.
2829 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2830 (build_call_a): Use empty_class_arg.
2831 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2832 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2834 2016-04-13 Jason Merrill <jason@redhat.com>
2837 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2839 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2842 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2843 avoidance mechanism.
2845 2016-04-13 Jason Merrill <jason@redhat.com>
2848 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2849 from instantiation_dependent_expression_p.
2850 (value_dependent_expression_p): Use it for unevaluated operands.
2851 (instantiation_dependent_r): Don't check value-dependence.
2852 (instantiation_dependent_expression_p): Check
2853 value-dependence of the expression as a whole.
2854 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2855 * semantics.c (finish_decltype_type): Use it.
2857 * constexpr.c (potential_nondependent_constant_expression): New.
2858 (potential_nondependent_static_init_expression): New.
2859 (maybe_constant_value_1, fold_non_dependent_expr)
2860 (maybe_constant_init): Use them.
2861 * pt.c (instantiate_non_dependent_expr_sfinae)
2862 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2864 * cp-tree.h: Declare them.
2866 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2869 * decl.c (pop_labels_1): Removed.
2870 (note_label, sort_labels): New functions.
2871 (pop_labels): During named_labels traversal, just push the slot
2872 pointers into a vector, then qsort it by DECL_UID and only then
2873 call pop_label and chain it into BLOCK_VARS.
2875 2016-04-13 Jason Merrill <jason@redhat.com>
2878 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2879 (cp_gimplify_expr): Not here.
2881 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2884 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2886 * typeck.c (build_x_conditional_expr): Unconditionally remember
2887 that the result is an lvalue or xvalue.
2889 2016-04-12 Jason Merrill <jason@redhat.com>
2891 * class.c (is_really_empty_class): A zero-length array is empty.
2892 An unnamed bit-field doesn't make a class non-empty.
2894 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2897 * parser.c (cp_parser_cache_defarg): When file ends in default
2898 argument simply return error_mark_node.
2900 2016-04-12 Nathan Sidwell <nathan@acm.org>
2903 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2906 2016-04-11 Jason Merrill <jason@redhat.com>
2908 * mangle.c (decl_is_template_id): The template itself counts as a
2911 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2915 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2916 on the result if it's not a CONSTRUCTOR.
2918 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2921 * constexpr.c (find_constructor): New function.
2922 (unshare_constructor): New function.
2923 (cxx_eval_call_expression): Use unshare_constructor instead of
2925 (find_array_ctor_elt): Likewise.
2926 (cxx_eval_vec_init_1): Likewise.
2927 (cxx_eval_store_expression): Likewise.
2928 (cxx_eval_constant_expression): Likewise.
2930 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2933 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2934 potentially generating a future -Wparentheses warning in its
2937 2016-04-06 Jason Merrill <jason@redhat.com>
2939 * class.c (check_abi_tags): Fix function template handling.
2941 2016-04-05 Nathan Sidwell <nathan@acm.org>
2944 * class.c (fixup_may_alias): New.
2945 (fixup_attribute_variants): Call it.
2947 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2950 * constexpr.c (struct fundef_copy): New struct.
2951 (struct fundef_copies_table_t): New struct.
2952 (fundef_copies_table): New static variable.
2953 (maybe_initialize_fundef_copies_table): New static function.
2954 (get_fundef_copy): New static function.
2955 (save_fundef_copy): New static function.
2956 (cxx_eval_call_expression): Use get_fundef_copy, and
2958 (constexpr_call_table): Add "deletable" GTY marker.
2960 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2963 * cp-tree.h (class cache_map): Remove.
2964 * constexpr.c (cv_cache): Change type to
2965 GTY((deletable)) hash_map<tree, tree> *.
2966 (maybe_constant_value): Adjust following the change to cv_cache.
2967 (clear_cv_cache): New static function.
2968 (clear_cv_and_fold_caches): Use it.
2969 * cp-gimplify.c (fold_cache): Change type to
2970 GTY((deletable)) hash_map<tree, tree> *.
2971 (clear_fold_cache): Adjust following the change to fold_cache.
2972 (cp_fold): Likewise.
2974 2016-04-02 Martin Sebor <msebor@redhat.com>
2980 * constexpr.c (diag_array_subscript): New function.
2981 (cxx_eval_array_reference): Detect out of bounds array indices.
2983 2016-04-01 Jason Merrill <jason@redhat.com>
2987 * pt.c (instantiate_decl): A function isn't fully defined if
2988 DECL_INITIAL is error_mark_node.
2989 * constexpr.c (cxx_eval_call_expression): Likewise.
2991 2016-04-01 Jakub Jelinek <jakub@redhat.com>
2992 Marek Polacek <polacek@redhat.com>
2995 * init.c (warn_placement_new_too_small): Test whether
2996 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
2998 2016-04-01 Nathan Sidwell <nathan@acm.org>
3001 * decl.c (check_redeclaration_exception_specification): Check
3002 regardless of -fno-exceptions.
3003 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3004 flag_exceptions too.
3006 2016-03-31 Nathan Sidwell <nathan@acm.org>
3008 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3009 (finish_destructor_body): Don't emit operator delete here.
3011 2016-03-31 Nathan Sidwell <nathan@acm.org>
3014 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3015 elements in field order.
3017 2016-03-31 Marek Polacek <polacek@redhat.com>
3020 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3022 2016-03-31 Richard Biener <rguenther@suse.de>
3025 * typeck.c (cp_build_binary_op): Fix operand order of vector
3026 conditional in truth op handling.
3028 2016-03-29 Jason Merrill <jason@redhat.com>
3031 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3032 in constexpr functions.
3034 2016-03-28 Jason Merrill <jason@redhat.com>
3039 * decl.c, pt.c, constexpr.c: Revert last patch.
3041 2016-03-25 Jason Merrill <jason@redhat.com>
3042 Martin Liška <mliska@suse.cz>
3047 * decl.c (cp_fname_init): Decay the initializer to pointer.
3048 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3049 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3050 Don't call cp_finish_decl.
3051 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3052 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3053 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3054 Handle DECL_VALUE_EXPR.
3056 2016-03-24 Jason Merrill <jason@redhat.com>
3059 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3062 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3065 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3068 * tree.c (build_cplus_array_type): Determine type-dependentess
3069 with uses_template_parms instead of with dependent_type_p.
3071 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3074 * typeck.c (process_init_constructor_union): If the initializer
3075 is empty, use the union's NSDMI if it has one.
3077 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3080 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3081 NSDMI that's part of an aggregrate initialization.
3083 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3086 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3087 for 1..max even for multi-dimensional arrays. Call unshare_expr
3091 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3092 on TREE_OVERFLOW constants.
3095 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3096 for OMP_TASKLOOP here.
3097 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3098 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3100 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3101 Jason Merrill <jason@redhat.com>
3102 Jakub Jelinek <jakub@redhat.com>
3105 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3106 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3107 (finish_function): Don't set or test them.
3108 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3110 2016-03-23 Jason Merrill <jason@redhat.com>
3113 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3115 2016-03-23 Marek Polacek <polacek@redhat.com>
3118 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3120 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3122 * call.c (build_conditional_expr_1): Always use original
3123 condition type for vector type checks and build.
3125 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3128 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3130 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3133 * constexpr.c (non_const_var_error): Check
3134 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3136 2016-03-21 Richard Henderson <rth@redhat.com>
3139 * decl.c (notice_forced_label_r): New.
3140 (cp_finish_decl): Use it.
3142 2016-03-21 Jason Merrill <jason@redhat.com>
3145 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3147 2016-03-18 Jason Merrill <jason@redhat.com>
3150 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3153 * class.c (vptr_via_virtual_p): New.
3154 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3155 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3156 a vptr from any virtual base in a not-in-charge 'structor.
3158 * decl.c (build_clobber_this): Factor out of
3159 start_preparsed_function and begin_destructor_body. Handle
3160 virtual bases better.
3162 * class.c (build_if_in_charge): Split out from build_base_path.
3163 * init.c (expand_virtual_init, expand_default_init): Use it.
3164 * call.c (build_special_member_call): Use it.
3166 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3169 * init.c (build_new_1): Complain and return error_mark_node
3170 if alloc_fn is not _Jv_AllocObject function returning pointer.
3172 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3175 * search.c (adjust_result_of_qualified_name_lookup): Don't
3176 update the BASELINK_BINFO of DECL if the second call
3177 to lookup_base fails.
3179 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3182 * parser.c (cp_parser_lambda_expression): Move call to
3183 pop_deferring_access_checks ahead of the call to
3184 cp_parser_end_tentative_firewall.
3186 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3189 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3190 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3191 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3193 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3194 if magic_varargs_p == 1, call decay_conversion
3195 instead of mark_type_use. Don't store error_mark_node arguments to
3196 argarray, instead return error_mark_node.
3199 * decl.c (begin_destructor_body): Don't insert clobber if
3200 is_empty_class (current_class_type).
3202 2016-03-17 Marek Polacek <polacek@redhat.com>
3205 * typeck.c (warn_for_null_address): New function.
3206 (cp_build_binary_op): Call it.
3208 2016-03-16 Jason Merrill <jason@redhat.com>
3211 * decl.c (start_preparsed_function): Don't clobber an empty base.
3213 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3216 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3217 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3220 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3221 set in_base_initializer.
3223 2016-03-15 Marek Polacek <polacek@redhat.com>
3226 * tree.c (strip_typedefs): Call strip_typedefs again on the
3227 DECL_ORIGINAL_TYPE result.
3229 2016-03-15 Jason Merrill <jason@redhat.com>
3232 * pt.c (instantiate_decl): Fix call to variable_template_p.
3235 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3237 2016-03-14 Casey Carter <casey@carter.net>
3238 Jason Merrill <jason@redhat.com>
3240 P0184R0: Generalizing the Range-Based For Loop
3241 * parser.c (cp_convert_range_for): Set the type of __end separately.
3242 (cp_parser_perform_range_for_lookup): Allow different begin/end
3243 types if they are comparable.
3245 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3248 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3249 processing_template_decl and EXPR is a SCOPE_REF.
3251 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3252 Jakub Jelinek <jakub@redhat.com>
3255 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3256 return value from cxx_eval_constant_expression from earlier
3257 elements if it is valid constant initializer requiring no
3260 2016-03-10 Marek Polacek <polacek@redhat.com>
3263 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3265 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3267 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3268 when calling c_finish_omp_clauses.
3270 2016-03-08 Jason Merrill <jason@redhat.com>
3272 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3273 diagnostic for use of "concept".
3274 (cp_parser_requires_clause_opt): And "requires".
3275 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3276 (cp_parser_explicit_template_declaration): Adjust.
3277 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3279 P0036R0: Unary Folds and Empty Parameter Packs
3280 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3282 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3285 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3286 even after the last iteration of the loop.
3288 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3290 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3293 * pt.c (get_template_info): Handle PARM_DECL.
3294 (template_class_depth): Check DECL_P instead of
3295 VAR_OR_FUNCTION_DECL_P.
3297 2016-03-05 Jason Merrill <jason@redhat.com>
3300 * constexpr.c (cxx_eval_store_expression): Replace
3301 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3303 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3306 * pt.c (template_class_depth): Given a lambda type, iterate
3307 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3308 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3311 2016-03-04 Jason Merrill <jason@redhat.com>
3314 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3315 * init.c (build_vec_delete_1): Set it.
3316 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3318 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3320 * decl.c (start_preparsed_function): Don't emit start clobber at the
3321 start of constructor clones.
3324 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3325 * decl.c (start_preparsed_function): Call
3326 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3327 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3328 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3330 2016-03-04 Jason Merrill <jason@redhat.com>
3333 * constexpr.c (cxx_eval_component_reference): Further tweak.
3335 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3336 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3337 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3338 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3341 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3344 2016-03-03 Jason Merrill <jason@redhat.com>
3346 * method.c (synthesized_method_walk): operator= can also be constexpr.
3348 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3349 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3352 * pt.c (copy_template_args): New.
3353 (tsubst_pack_expansion): Use it.
3355 * call.c (build_aggr_conv): Use get_nsdmi.
3358 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3361 * constexpr.c (cxx_eval_component_reference): Just return an empty
3362 CONSTRUCTOR for an empty class.
3364 2016-03-01 Jason Merrill <jason@redhat.com>
3367 * parser.c (cp_parser_requires_clause): Call
3368 check_for_bare_parameter_packs.
3371 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3375 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3376 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3377 [TARGET_EXPR]: Unshare init.
3379 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3383 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3386 2016-02-28 Jason Merrill <jason@redhat.com>
3389 * constexpr.c (cxx_eval_store_expression): Unshare init.
3391 2016-02-26 Jason Merrill <jason@redhat.com>
3394 * pt.c (make_argument_pack): New.
3395 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3396 (tsubst_copy_and_build): Likewise.
3398 2016-02-25 Jason Merrill <jason@redhat.com>
3401 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3402 * tree.c (build_aggr_init_expr): Set it.
3403 * semantics.c (simplify_aggr_init_expr): Check it.
3404 * cp-gimplify.c (cp_genericize_r): Don't walk into
3405 a call/aggr_init from a thunk.
3408 * method.c (forward_parm): Handle parameter packs.
3409 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3412 * constexpr.c (cxx_eval_component_reference): Don't complain about
3413 unevaluated empty classes.
3416 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3418 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3421 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3422 (maybe_undo_parenthesized_ref): Declare.
3423 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3425 (finish_call_expr): Use it.
3426 * typeck.c (check_return_expr): Use it.
3427 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3428 REF_PARENTHESIZED_P flag.
3430 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3433 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3435 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3437 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3438 unless they are folded into INTEGER_CST, error_mark_node or some
3439 comparison with NULL, avoid folding them and use either the original
3440 comparison or non-folded comparison of folded arguments.
3441 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3442 comparison, don't fold the comparison right away.
3444 2016-02-24 Jason Merrill <jason@redhat.com>
3447 * friend.c (make_friend_class): Likewise.
3448 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3450 2016-02-24 Jason Merrill <jason@redhat.com>
3453 * pt.c (instantiate_class_template_1): Set
3454 processing_template_decl before substituting friend_type.
3456 016-02-24 Martin Sebor <msebor@redhat.com>
3459 * tree.c (build_ctor_subob_ref): Compare types' main variants
3460 instead of the types as they are.
3462 2016-02-24 Jason Merrill <jason@redhat.com>
3464 * decl.c (start_preparsed_function): Condition ctor clobber on
3465 flag_lifetime_dse > 1.
3467 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3469 2016-02-19 Jason Merrill <jason@redhat.com>
3472 * call.c (remaining_arguments): No longer static.
3473 * cp-tree.h: Declare it.
3474 * pt.c (more_specialized_fn): Use it.
3476 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3477 Bernd Edlinger <bernd.edlinger@hotmail.de>
3479 * Make-lang.in: Invoke gperf with -L C++.
3480 * cfns.gperf: Remove prototypes for hash and libc_name_p
3482 * cfns.h: Regenerated.
3483 * except.c (nothrow_libfn_p): Adjust.
3485 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3488 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3489 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3491 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3494 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3496 * semantics.c (finish_call_expr): Don't assume a constructor
3497 call is dependent if only the "this" pointer is dependent. When
3498 building a constructor call, always use a dummy object.
3500 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3503 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3505 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3506 operators if folding preserved the binop, just with different
3510 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3511 attr_spec is always single element chain, chain all the attributes
3512 properly together in the right order.
3514 2016-02-18 Jason Merrill <jason@redhat.com>
3516 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3518 (mangle_decl): Call maybe_check_abi_tags for function scope.
3519 (mangle_guard_variable): Call maybe_check_abi_tags here.
3520 (write_guarded_var_name): Not here.
3522 2016-02-17 Jason Merrill <jason@redhat.com>
3525 * constexpr.c (build_constexpr_constructor_member_initializers):
3526 Handle an additional STATEMENT_LIST.
3529 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3532 * decl2.c (reset_type_linkage_2): Look through member templates.
3534 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3537 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3539 2016-02-17 Jason Merrill <jason@redhat.com>
3542 * method.c (forward_parm): Split out from...
3543 (add_one_base_init): ...here.
3544 * lambda.c (maybe_add_lambda_conv_op): Use it.
3546 2016-02-16 Jason Merrill <jason@redhat.com>
3550 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3551 tree.c, typeck2.c: Revert earlier changes.
3552 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3553 non-type templates after -> or .
3555 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3558 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3560 2016-02-16 Jason Merrill <jason@redhat.com>
3563 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3564 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3565 * name-lookup.h: Adjust.
3567 2016-02-16 James Norris <jnorris@codesourcery.com>
3569 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3570 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3572 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3575 * init.c (expand_default_init): Only call reshape_init
3576 in the direct-initialization from an initializer list case.
3578 2016-02-15 Jason Merrill <jason@redhat.com>
3581 * semantics.c (finish_call_expr): Implicit 'this' does not make
3583 * search.c (any_dependent_bases_p): Split out...
3584 * name-lookup.c (do_class_using_decl): ...from here.
3585 * call.c (build_new_method_call_1): Don't complain about missing object
3586 if there are dependent bases. Tweak error.
3587 * tree.c (non_static_member_function_p): Remove.
3588 * pt.c (type_dependent_expression_p): A member template of a
3589 dependent type is dependent.
3590 * cp-tree.h: Adjust.
3593 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3595 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3598 * pt.c (lookup_and_finish_template_variable): New function,
3600 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3601 (tsubst_qualified_id): Consider that EXPR might be a variable
3603 * typeck.c (check_template_keyword): Don't emit an error
3604 if DECL is a variable template.
3606 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3608 * error.c: Spelling fixes - behaviour -> behavior and
3609 neighbour -> neighbor.
3611 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3613 * init.c (build_delete): Likewise.
3615 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3618 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3619 arguments for -Waddress warning. Fix up formatting.
3621 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3624 * pt.c (lookup_template_class_1): Check tsubst return value for
3627 2016-02-10 Jason Merrill <jason@redhat.com>
3630 * pt.c (resolve_nondeduced_context): Add complain parm.
3631 (do_auto_deduction): Pass it.
3632 * cvt.c (convert_to_void): Likewise.
3633 * decl.c (cp_finish_decl): Likewise.
3634 * init.c (build_new): Likewise.
3635 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3636 * semantics.c (finish_decltype_type): Likewise.
3637 * typeck.c (decay_conversion): Likewise.
3638 * cp-tree.h: Adjust declaration.
3639 * call.c (standard_conversion): Add complain parm, pass it along.
3640 (implicit_conversion): Pass it.
3643 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3644 (lookup_name_real_1): Likewise.
3645 (remove_hidden_names): Handle non-functions too.
3648 * parser.c (cp_parser_lookup_name): When looking for a template
3649 after . or ->, only consider class templates.
3650 (cp_parser_postfix_dot_deref_expression): Handle the current
3651 instantiation. Remember a dependent object expression.
3652 * typeck2.c (build_x_arrow): Handle the current instantiation.
3654 * ptree.c (debug_tree): Implement for cp_expr.
3656 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3659 * parser.c (cp_parser_simple_type_specifier): Make the check
3660 for disambiguating between an 'auto' placeholder and an implicit
3661 template parameter more robust.
3663 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3667 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3668 setting its TREE_USED flag.
3670 2016-02-08 Jason Merrill <jason@redhat.com>
3673 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3676 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3679 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3680 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3682 2016-02-08 Marek Polacek <polacek@redhat.com>
3685 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3686 Call clear_fold_cache.
3687 * cp-tree.h: Adjust declaration.
3688 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3689 rather than clear_cv_cache and clear_fold_cache.
3690 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3692 2016-02-08 Jason Merrill <jason@redhat.com>
3694 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3695 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3696 (ocp_convert): Use *_maybe_fold.
3697 (cp_convert_to_pointer): Add dofold parameter.
3698 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3700 2016-02-05 Martin Sebor <msebor@redhat.com>
3703 * init.c (find_field_init): New function.
3704 (warn_placement_new_too_small): Call it. Handle one-element arrays
3705 at ends of structures special.
3707 2016-02-05 Jason Merrill <jason@redhat.com>
3710 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3711 make sure we've seen_error().
3713 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3716 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3717 if lookup_fnfields returns NULL_TREE and the name being looked
3718 up has the form A::A.
3720 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3722 * constexpr.c (cxx_eval_binary_expression): Fold equality
3723 comparisons involving PTRMEM_CSTs.
3725 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3727 * class.c (find_flexarrays): Don't declare dom variable.
3728 (diagnose_flexarray): Likewise.
3730 2016-02-02 Martain Sebor <msebor@redhat.com>
3737 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3738 of a flexible array member for equality to null.
3739 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3740 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3741 (check_flexarrays): Same.
3742 * decl.c (compute_array_index_type): Avoid special case for flexible
3744 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3746 * error.c (dump_type_suffix): Revert changes introduced in r231665
3747 and rendered unnecessary by the changes above.
3748 * pt.c (tsubst): Same.
3749 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3750 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3751 (process_init_constructor_array): Same.
3752 (process_init_constructor_record): Same.
3754 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3757 * pt.c (try_one_overload): Handle comparing argument packs so
3758 that there is no conflict if we deduced more arguments of an
3759 argument pack than were explicitly specified.
3761 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3762 Jason Merrill <jason@redhat.com>
3765 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3766 function type if nothing is changing.
3768 2016-01-31 Jason Merrill <jason@redhat.com>
3771 * pt.c (partial_specialization_p, impartial_args): New.
3772 (instantiate_decl): Call impartial_args.
3774 * mangle.c (maybe_check_abi_tags): New.
3775 (write_guarded_var_name): Call it.
3776 (mangle_ref_init_variable): Call check_abi_tags.
3778 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3779 between template and instantiation.
3781 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3784 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3785 function declarations.
3787 2016-01-29 Marek Polacek <polacek@redhat.com>
3791 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3792 out of bound" error earlier.
3793 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3796 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3798 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3799 structure, update free_binding_level before the structure's
3800 level_chain field gets cleared, not after.
3802 2016-01-28 Jason Merrill <jason@redhat.com>
3805 * search.c (dfs_walk_once, dfs_walk_once_r)
3806 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3807 hash_set instead of BINFO_MARKED.
3808 (dfs_unmark_r): Remove.
3810 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3813 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3814 (cp_lexer_debugging_p): Use it.
3815 (cp_lexer_start_debugging): Likewise.
3816 (cp_lexer_stop_debugging): Likewise.
3818 2016-01-27 Marek Polacek <polacek@redhat.com>
3821 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3822 needed. Add -Wsign-compare warning.
3824 2016-01-27 Ryan Burn <contact@rnburn.com>
3827 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3828 superfluous post_p argument in call to
3829 cilk_gimplify_call_params_in_spawned_fn.
3831 2016-01-27 Marek Polacek <polacek@redhat.com>
3834 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3835 wrapped in NOP_EXPRs.
3837 2016-01-27 Martin Sebor <msebor@redhat.com>
3840 * mangle.c (mangle_decl): Reference the correct (saved) version
3841 of the ABI in -Wabi diagnostics.
3843 2016-01-27 Marek Polacek <polacek@redhat.com>
3846 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3847 elements of the array.
3849 2016-01-26 Jason Merrill <jason@redhat.com>
3852 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3853 (cxx_eval_call_expression): Don't look through clones.
3854 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3855 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3856 maybe-in-charge *tor.
3858 2016-01-26 Jason Merrill <jason@redhat.com>
3861 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3862 and TREE_SIDE_EFFECTS.
3863 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3864 verify_constructor_flags.
3866 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3869 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3870 return error_mark_node instead of building trees with error_mark_node
3873 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3876 * error.c (print_instantiation_partial_context_line): Add missing
3877 newlines from output for the t == NULL case.
3878 (print_instantiation_partial_context): Remove call to pp_newline.
3880 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3883 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3888 * decl.c (grokdeclarator): Don't decay array parameter type to
3889 a pointer type if it's dependent.
3890 (grokparms): Invoke strip_top_quals instead of directly invoking
3891 cp_build_qualified_type.
3892 * pt.c (decay_dependent_array_parm_type): New static function.
3893 (type_unification_real): Call decay_dependent_array_parm_type
3894 to decay a dependent array parameter type to its corresponding
3895 pointer type before unification.
3896 (more_specialized_fn): Likewise.
3897 (get_bindings): Likewise.
3898 * tree.c (cp_build_qualified_type): Trivial typofix in
3901 2016-01-23 Martin Sebor <msebor@redhat.com>
3905 * decl2.c (is_late_template_attribute): Handle dependent argument
3906 to attribute align and attribute vector_size.
3908 2016-01-21 Jason Merrill <jason@redhat.com>
3911 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3912 for init-capture, too.
3915 * decl.c (type_is_deprecated): Don't look into a typedef.
3919 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3922 * decl.c (start_enum): Add attributes parameter.
3923 * parser.c (cp_parser_enum_specifier): Pass it.
3924 * pt.c (lookup_template_class_1): Pass it.
3925 * cp-tree.h: Adjust.
3927 2016-01-19 Jason Merrill <jason@redhat.com>
3930 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3932 2016-01-19 Marek Polacek <polacek@redhat.com>
3935 * constexpr.c (clear_cv_cache): New.
3936 * cp-gimplify.c (clear_fold_cache): New.
3937 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3938 * decl.c (finish_enum_value_list): Call them.
3941 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3943 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3948 * decl.c (grokdeclarator): Don't decay array parameter type to
3949 a pointer type if it's dependent.
3950 (grokparms): Invoke strip_top_quals instead of directly invoking
3951 cp_build_qualified_type.
3952 * pt.c (decay_dependent_array_parm_type): New static function.
3953 (type_unification_real): Call decay_dependent_array_parm_type
3954 to decay a dependent array parameter type to its corresponding
3955 pointer type before unification.
3956 (more_specialized_fn): Likewise.
3957 (get_bindings): Likewise.
3958 * tree.c (cp_build_qualified_type): Trivial typofix in
3961 2016-01-18 Jason Merrill <jason@redhat.com>
3963 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
3965 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
3968 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
3969 (contains_label_1, contains_label_p): Remove.
3971 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3974 * pt.c (type_dependent_expression_p): For a function template
3975 specialization, a type is dependent iff any of its template
3978 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3980 * cp-array-notation.c (cp_expand_cond_array_notations): Return
3981 error_mark_node only if find_rank failed, not if it was
3984 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
3987 * tree.c (build_min_non_dep_call_vec): Don't retain the
3988 KOENIG_LOOKUP_P flag of the non-dependent expression that's
3990 (build_min_non_dep_op_overload): Instead, do it here.
3992 2016-01-15 Jakub Jelinek <jakub@redhat.com>
3995 * parser.h (cp_token): Remove pragma_kind field. Add comment
3996 with number of unused bits.
3997 * parser.c (eof_token): Remove pragma_kind field initializer.
3998 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
3999 field, don't clear CPP_PRAGMA u.value.
4000 (cp_parser_pragma_kind): New function.
4001 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4002 cp_parser_omp_construct, cp_parser_initial_pragma,
4003 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4006 2016-01-15 Jason Merrill <jason@redhat.com>
4009 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4011 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4015 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4016 array/function-to-pointer conversion. Call
4017 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4018 * call.c (convert_like_real): Print call context if
4019 decay_conversion errors.
4021 2016-01-14 Tom de Vries <tom@codesourcery.com>
4023 PR tree-optimization/68773
4024 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4027 2016-01-14 Jason Merrill <jason@redhat.com>
4030 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4032 2016-01-12 Marek Polacek <polacek@redhat.com>
4035 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4036 error_at and adjust the return value.
4038 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4042 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4043 GS_ERROR whenever seen_error (), only if *expr_p contains
4044 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4048 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4050 2016-01-11 Jason Merrill <jason@redhat.com>
4053 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4054 (process_subob_fn): Likewise. Don't consider triviality if true.
4055 (synthesize_method_walk): Pass it.
4057 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4060 * parser.c (cp_parser_postfix_expression): Initialize
4061 close_paren_loc to UNKNOWN_LOCATION; only use it if
4062 it has been written to by
4063 cp_parser_parenthesized_expression_list.
4064 (cp_parser_parenthesized_expression_list): Document the behavior
4065 with respect to the CLOSE_PAREN_LOC param.
4067 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4070 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4071 folded operands have side-effects, but folding changed any of them,
4072 build a new tree with the folded operands instead of returning the
4075 2016-01-09 Marek Polacek <polacek@redhat.com>
4078 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4080 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4083 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4085 2016-01-08 Jason Merrill <jason@redhat.com>
4088 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4091 2016-01-08 Marek Polacek <polacek@redhat.com>
4094 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4096 2016-01-08 Jason Merrill <jason@redhat.com>
4098 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4103 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4104 TREE_ADDRESSABLE type.
4108 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4110 2016-01-05 Nathan Sidwell <nathan@acm.org>
4113 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4116 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4118 Update copyright years.
4120 Copyright (C) 2016 Free Software Foundation, Inc.
4122 Copying and distribution of this file, with or without modification,
4123 are permitted in any medium without royalty provided the copyright
4124 notice and this notice are preserved.