1 2016-11-29 David Malcolm <dmalcolm@redhat.com>
4 * name-lookup.c (lookup_name_fuzzy): Filter out reserved words
5 that were filtered out by init_reswords.
7 2016-11-28 Jakub Jelinek <jakub@redhat.com>
8 Jason Merrill <jason@redhat.com>
11 * decl.c (finish_enum_value_list): Call fixup_type_variants on
12 current_class_type after
13 insert_late_enum_def_into_classtype_sorted_fields.
15 2016-11-28 Jakub Jelinek <jakub@redhat.com>
18 * typeck.c (maybe_warn_about_returning_address_of_local): Optimize
19 whats_returned through fold_for_warn.
21 2016-11-27 Jason Merrill <jason@redhat.com>
24 * constexpr.c (cxx_eval_constant_expression): Use cp_fold_convert.
26 2016-11-24 Martin Liska <mliska@suse.cz>
29 * parser.c (cp_parser_range_for): Use safe_push instead of quick_push.
31 2016-11-23 Jakub Jelinek <jakub@redhat.com>
34 * cp-gimplify.c (cp_fold) <case CALL_EXPR>: When calling constructor
35 and maybe_constant_value returns non-CALL_EXPR, create INIT_EXPR
36 with the object on lhs and maybe_constant_value returned expr on rhs.
39 * pt.c (tsubst_copy): Return error_mark_node when mark_used
40 fails, even when complain & tf_error.
43 * cp-gimplify.c (cp_gimplify_tree) <case VEC_INIT_EXPR>: Pass
44 false as handle_invisiref_parm_p to cp_genericize_tree.
45 (struct cp_genericize_data): Add handle_invisiref_parm_p field.
46 (cp_genericize_r): Don't wrap is_invisiref_parm into references
47 if !wtd->handle_invisiref_parm_p.
48 (cp_genericize_tree): Add handle_invisiref_parm_p argument,
49 set wtd.handle_invisiref_parm_p to it.
50 (cp_genericize): Pass true as handle_invisiref_parm_p to
51 cp_genericize_tree. Formatting fix.
53 2016-11-21 Bernd Edlinger <bernd.edlinger@hotmail.de>
56 * decl.c (duplicate_decls): Warn when a built-in function is redefined.
57 Don't overload builtin functions with C++ functions.
58 Handle const_tm_ptr_type_node like file_ptr_node.
59 Copy the TREE_NOTHROW flag unmodified to the old decl.
61 2016-11-18 Jason Merrill <jason@redhat.com>
63 PR objc++/78418 - ICE in string tests on darwin
64 * tree.c (lvalue_kind): Guard DECL_HAS_VALUE_EXPR_P.
66 2016-11-18 Jakub Jelinek <jakub@redhat.com>
69 * mangle.c (mangle_tls_init_fn, mangle_tls_wrapper_fn): Call
72 2016-11-18 Jason Merrill <jason@redhat.com>
74 PR c++/67631 - list-init and explicit conversions
75 * semantics.c (finish_compound_literal): Call digest_init_flags.
76 * typeck2.c (digest_init_flags): Add complain parm.
77 (store_init_value): Pass it.
79 2016-11-18 Richard Sandiford <richard.sandiford@arm.com>
80 Alan Hayward <alan.hayward@arm.com>
81 David Sherwood <david.sherwood@arm.com>
83 * class.c (finish_struct_bits): Use SET_DECL_MODE.
84 (build_base_field_1, layout_class_type, finish_struct_1): Likewise.
85 * decl.c (make_label_decl): Likewise.
86 * pt.c (tsubst_decl): Likewise.
88 2016-11-17 Jason Merrill <jason@redhat.com>
90 PR c++/78193 - inherited ctor regressions on sparc32.
91 * call.c (build_over_call): Don't set CALL_FROM_THUNK_P here.
92 (build_call_a): Set it here, and don't insert EMPTY_CLASS_EXPR.
93 (convert_like_real) [ck_rvalue]: Also pass non-addressable
96 2016-11-17 Paolo Carlini <paolo.carlini@oracle.com>
99 * parser.c (cp_parser_non_integral_constant_expression): Issue a
100 pedwarn instead of an error for case NIC_FLOAT.
102 2016-11-17 Jason Merrill <jason@redhat.com>
104 PR c++/78124 - list-initialization and inherited ctor
105 * name-lookup.c (do_class_using_decl): Set CLASSTYPE_NON_AGGREGATE.
107 PR c++/78369 - {} as default argument
108 * call.c (build_special_member_call): Handle CONSTRUCTOR.
111 * parser.c (cp_parser_fold_expression): Check TREE_NO_WARNING.
113 2016-11-16 Jason Merrill <jason@redhat.com>
116 * decl.c (cp_finish_decl): Don't set TREE_CONSTANT on a reference.
117 * typeck2.c (store_init_value): Likewise.
119 * decl.c (store_decomp_type, lookup_decomp_type): New.
120 (cp_finish_decomp): Call store_decomp_type.
121 * semantics.c (finish_decltype_type): Call lookup_decomp_type.
122 * cp-tree.h: Declare lookup_decomp_type.
124 2016-11-15 Jakub Jelinek <jakub@redhat.com>
126 * decl.c (cp_finish_decomp): For DECL_NAMESPACE_SCOPE_P decl,
127 set DECL_ASSEMBLER_NAME.
128 * parser.c (cp_parser_decomposition_declaration): Likewise
129 if returning error_mark_node.
130 * mangle.c (mangle_decomp): New function.
131 * cp-tree.h (mangle_decomp): New declaration.
133 2016-11-15 Jason Merrill <jason@redhat.com>
136 * semantics.c (finish_decltype_type): Strip references for a tuple
138 * cp-tree.h (DECL_DECOMPOSITION_P): False for non-variables.
140 * decl2.c (decl_maybe_constant_var_p): References qualify.
141 * constexpr.c (non_const_var_error): Handle references.
142 * init.c (constant_value_1): Always check decl_constant_var_p.
143 * cp-gimplify.c (cp_fold_maybe_rvalue): Don't fold references.
144 * error.c (dump_decl_name): Split out from dump_decl.
146 2016-11-14 Jason Merrill <jason@redhat.com>
148 * tree.c (bitfield_p): New.
149 * cp-tree.h: Declare it.
150 * typeck.c (cxx_sizeof_expr, cxx_alignof_expr)
151 (cp_build_addr_expr_1): Use it instead of DECL_C_BIT_FIELD.
152 * decl.c (cp_finish_decomp): Look through reference. Always
153 SET_DECL_DECOMPOSITION_P.
154 * semantics.c (finish_decltype_type): Adjust decomposition handling.
156 2016-11-13 Jakub Jelinek <jakub@redhat.com>
157 Jason Merrill <jason@redhat.com>
159 Implement P0217R3 - C++17 structured bindings
160 * cp-tree.h (struct lang_decl_base): Add decomposition_p.
161 (DECL_DECOMPOSITION_P): New
162 (enum auto_deduction_context): Add adc_decomp_type.
163 (enum cp_declarator_kind): Add cdk_decomp.
164 * constexpr.c (cxx_eval_constant_expression): Look through
166 (potential_constant_expression_1): Likewise.
167 * decl.c (reshape_init): Preserve CONSTRUCTOR_IS_DIRECT_INIT.
168 (check_initializer): Use build_aggr_init for DECL_DECOMPOSITION_P.
169 (cp_finish_decl): Pass adc_decomp_type for decomposition.
170 (find_decomp_class_base, get_tuple_size, get_tuple_element_type)
171 (get_tuple_decomp_init, cp_finish_decomp): New.
172 (grokdeclarator): Handle decomposition.
173 * init.c (build_aggr_init): Handle decomposition array.
174 (build_vec_init): Handle initialization from { array }.
175 * name-lookup.c (add_function): Always wrap TEMPLATE_DECL in
177 * parser.c (declarator_can_be_parameter_pack): Handle cdk_decomp.
178 (function_declarator_p, strip_declarator_types)
179 (cp_parser_check_declarator_template_parameters): Likewise.
180 (cp_parser_range_for, cp_convert_range_for): Handle decomposition.
181 (cp_parser_simple_declaration): Parse decomposition.
182 (cp_parser_decomposition_declaration): New.
183 * pt.c (tsubst_decomp_names): New.
184 (subst_expr) [DECL_EXPR, RANGE_FOR_STMT]: Handle decomposition.
185 (do_auto_deduction): Handle adc_decomp_type.
186 * semantics.c (finish_decltype_type): Look through DECL_VALUE_EXPR.
187 * typeck.c (is_bitfield_expr_with_lowered_type): Likewise.
188 * tree.c (lvalue_kind): Likewise.
189 (cp_build_reference_type): Handle reference collapsing.
191 2016-11-13 Jason Merrill <jason@redhat.com>
193 * call.c (build_new_method_call_1): Include template arguments in
195 (print_error_for_call_failure): Likewise.
196 (build_new_function_call): Pass them in.
197 * name-lookup.c (supplement_binding_1): Don't complain about a
198 conflict with an erroneous declaration.
199 * error.c (dump_decl): Fix printing of alias declaration.
200 * decl.c (make_typename_type): Call cxx_incomplete_type_error.
201 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
202 * semantics.c (perform_koenig_lookup): Don't wrap an error in
205 2016-11-13 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
208 * parser.c (cp_parser_postfix_pexpression): Call warn_for_restrict.
210 2016-11-12 Jason Merrill <jason@redhat.com>
213 * typeck.c (convert_arguments): Handle default arg followed by none.
215 * constexpr.c (potential_constant_expression_1): REALPART_EXPR and
216 IMAGPART_EXPR can be lvalues.
220 * pt.c (check_specialization_namespace): Allow any enclosing
222 (check_unqualified_spec_or_inst): New.
223 (check_explicit_specialization): Call it.
224 * parser.c (cp_parser_elaborated_type_specifier)
225 (cp_parser_class_head): Call it.
227 2016-11-10 Jason Merrill <jason@redhat.com>
230 * pt.c (tsubst_friend_function): Don't set DECL_INITIAL.
231 (instantiate_decl): It's OK to defer a constexpr function.
232 * cp-tree.h (DECL_FRIEND_PSEUDO_TEMPLATE_INSTANTIATION): Check
234 * decl2.c (decl_defined_p): Use it. No longer static.
235 * decl.c (redeclaration_error_message): Use decl_defined_p.
236 * constexpr.c (cxx_eval_call_expression): Set input_location around
237 call to instantiate_decl.
239 2016-11-10 Jakub Jelinek <jakub@redhat.com>
241 * mangle.c (mangle_decl): Only emit -Wc++1z-compat warnings for
242 public or external symbols.
244 2016-11-09 Jakub Jelinek <jakub@redhat.com>
247 * mangle.c (start_mangling): Reset G.need_cxx1z_warning.
249 2016-11-09 Jason Merrill <jason@redhat.com>
251 * parser.c (cp_parser_simple_type_specifier): Allow placeholder
252 for template template parameter.
253 (cp_parser_type_id_1): Improve diagnostic.
254 * decl.c (grokdeclarator): Handle class deduction diagnostics here.
255 * pt.c (splice_late_return_type): Not here.
256 (tsubst) [TEMPLATE_TYPE_PARM]: Substitute into placeholder template.
257 (do_class_deduction): Handle non-class templates.
259 Implement P0127R2, Declaring non-type parameters with auto.
260 * cp-tree.h (enum auto_deduction_context): Add adc_unify.
261 * decl.c (grokdeclarator): Allow 'auto' in C++17 template non-type
263 * pt.c (do_auto_deduction): Add outer_targs parameter.
264 (convert_template_argument): Call do_auto_deduction. If adc_unify,
265 don't give up on dependent init.
266 (unify): Likewise. In C++17, walk into the type of a
268 (for_each_template_parm): Add any_fn parameter.
269 (struct pair_fn_data): Likewise.
270 (for_each_template_parm_r): Call it for any tree. In C++17, walk
271 into the type of a TEMPLATE_PARM_INDEX.
272 (zero_r, array_deduction_r, try_array_deduction): New.
273 (type_unification_real): Call try_array_deduction.
274 (get_partial_spec_bindings): Likewise.
276 2016-11-07 Jason Merrill <jason@redhat.com>
278 Implement P0012R1, Make exception specifications part of the type
280 * cp-tree.h (enum tsubst_flags): Add tf_fndecl_type.
281 (flag_noexcept_type, ce_type): New.
282 * call.c (build_conv): Add ck_fnptr.
283 (enum conversion_kind): Change ck_tsafe to ck_fnptr.
284 (convert_like_real): Likewise.
285 (standard_conversion): Likewise. Allow function pointer
286 conversions for pointers to member functions.
287 (reference_compatible_p): Allow function pointer conversions.
288 (direct_reference_binding): Likewise.
289 (reference_binding): Reference-compatible is no longer a subset of
291 (is_subseq): Also strip ck_lvalue after next_conversion.
292 * class.c (instantiate_type): Check fnptr_conv_p.
293 (resolve_address_of_overloaded_function): Likewise.
294 * cvt.c (can_convert_tx_safety): Now static.
295 (noexcept_conv_p, fnptr_conv_p, strip_fnptr_conv): New.
296 * decl.c (flag_noexcept_type): Define.
297 (cxx_init_decl_processing): Set it.
298 (bad_specifiers): Check it.
299 (grokdeclarator) [cdk_function]: Add exception-spec to type here.
300 * lambda.c (maybe_add_lambda_conv_op): Add exception-spec to
302 * mangle.c (struct globals): Add need_cxx1z_warning.
303 (mangle_decl): Check it.
304 (write_exception_spec): New.
305 (write_function_type): Call it.
306 (canonicalize_for_substitution): Handle exception spec.
307 (write_type): Likewise.
308 (write_encoding): Set processing_template_decl across mangling of
309 partially-instantiated type.
310 * pt.c (determine_specialization): Pass tf_fndecl_type.
311 (tsubst_decl, fn_type_unification): Likewise.
312 (tsubst): Strip tf_fndecl_type, pass it to
313 tsubst_exception_specification.
314 (convert_nontype_argument_function): Handle function pointer
316 (convert_nontype_argument): Likewise.
317 (unify, for_each_template_parm_r): Walk into noexcept-specifier.
318 * rtti.c (ptr_initializer): Encode noexcept.
319 * tree.c (canonical_eh_spec): New.
320 (build_exception_variant): Use it.
321 * typeck.c (composite_pointer_type): Handle fnptr conversion.
322 (comp_except_specs): Compare canonical EH specs.
323 (structural_comptypes): Call it.
325 * call.c (standard_conversion): Reorganize pointer conversions.
326 * pt.c (convert_nontype_argument_function): Convert to ref here.
327 (convert_nontype_argument): Not here.
328 (convert_template_argument): Add original type to error message.
329 (RECUR_AND_CHECK_FAILURE): Remove trailing semicolon.
330 (unify): Compare function-qualifiers.
331 * typeck.c (same_type_ignoring_top_level_qualifiers_p): Use
332 cp_build_qualified_type rather than TYPE_MAIN_VARIANT.
334 * pt.c (push_tinst_level_loc): Add template instantiations to the
335 announce_function stream.
337 2016-11-04 Paolo Carlini <paolo.carlini@oracle.com>
340 * pt.c (tsubst_expr, case IF_STMT): Use fold_non_dependent_expr
341 to suppress unwanted warnings.
343 2016-11-03 Jason Merrill <jason@redhat.com>
346 * call.c (convert_default_arg): Look through inheriting ctors.
348 2016-11-03 Jakub Jelinek <jakub@redhat.com>
349 Alexandre Oliva <aoliva@redhat.com>
350 Jason Merrill <jason@redhat.com>
354 * tree.c (cp_check_qualified_type): Use check_base_type and
355 TYPE_QUALS comparison instead of check_qualified_type.
356 (cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
357 * cp-objcp-common.c (cp_get_debug_type): New function.
358 (cp_decl_dwarf_attribute): Don't handle types here.
359 (cp_type_dwarf_attribute): New function.
360 * cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
362 (LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
365 2016-11-03 Jason Merrill <jason@redhat.com>
367 * tree.c (cp_check_qualified_type): Call check_base_type instead
368 of check_qualified_type.
369 (cxx_type_hash_eq): Check ref-qualifiers.
370 * typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
372 2016-11-01 Jason Merrill <jason@redhat.com>
374 Implement P0136R1, Rewording inheriting constructors.
375 * call.c (enum rejection_reason_code): Add rr_inherited_ctor.
376 (inherited_ctor_rejection): New.
377 (add_function_candidate): Reject inherited ctors for copying.
378 (enforce_access): Use strip_inheriting_ctors.
379 (print_z_candidate): Likewise. Handle rr_inherited_ctor.
380 (convert_like_real): Avoid copying inheriting ctor parameters.
381 (build_over_call): Likewise. A base ctor inheriting from vbase
382 has no parms. Sorry about varargs.
383 (joust): A local constructor beats inherited with the same convs.
384 * class.c (add_method): Handle hiding inheriting ctors.
385 (one_inherited_ctor): Handle new semantics.
386 (add_implicitly_declared_members): Pass using_decl down.
387 (build_clone): A base ctor inheriting from vbase has no parms.
388 * cp-tree.h (DECL_INHERITED_CTOR): Store this instead of the base.
389 (SET_DECL_INHERITED_CTOR): Likewise.
390 (DECL_INHERITED_CTOR_BASE): Adjust.
391 * constexpr.c: Adjust.
392 * error.c (dump_function_decl): Decorate inheriting ctors.
393 * init.c (emit_mem_initializers): Suppress access control in
395 * mangle.c (write_special_name_constructor): Handle new inheriting
397 * method.c (strip_inheriting_ctors, inherited_ctor_binfo)
398 (ctor_omit_inherited_parms, binfo_inherited_from): New.
399 (synthesized_method_walk): Use binfo_inherited_from. Suppress
400 access control in inheriting ctor.
401 (deduce_inheriting_ctor): Deleted if ambiguous ctor inheritance.
402 (maybe_explain_implicit_delete): Explain ambigous ctor inheritance.
403 (add_one_base_init, do_build_copy_constructor): Adjust.
404 (locate_fn_flags, explain_implicit_non_constexpr): Adjust.
405 (implicitly_declare_fn): Adjust.
406 (get_inherited_ctor): Remove.
407 * name-lookup.c (do_class_using_decl): Check for indirect ctor
409 * optimize.c (cdtor_comdat_group): Adjust for new mangling.
410 (maybe_clone_body): Handle omitted parms in base clone.
411 (maybe_thunk_body): Don't thunk if base clone omits parms.
412 * pt.c (tsubst_decl): Adjust.
413 (instantiate_template_1): Suppress access control in inheriting
415 (fn_type_unification): Do deduction with inherited ctor.
416 * tree.c (special_function_p): Adjust.
418 2016-11-01 Jakub Jelinek <jakub@redhat.com>
420 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_inline.
422 2016-11-01 Jason Merrill <jason@redhat.com>
424 * class.c (declared_access): Split out from handle_using_decl.
426 2016-10-31 Jakub Jelinek <jakub@redhat.com>
429 * parser.c (cp_parser_postfix_expression): Replace return statement in
430 the first switch with setting postfix_expression to the return
431 expression and break;.
434 * pt.c (tsubst_expr) <case CASE_LABEL_EXPR> Copy over
435 FALLTHROUGH_LABEL_P flag to the new LABEL_DECL.
436 (tsubst_expr) <case LABEL_EXPR>: Likewise.
438 2016-09-11 Le-Chun Wu <lcwu@google.com>
439 Mark Wielaard <mjw@redhat.com>
441 * name-lookup.c (pushdecl_maybe_friend): When emitting a
442 shadowing warning, use the code corresponding to the
443 given -Wshadow= variant.
445 2016-10-26 Jason Merrill <jason@redhat.com>
447 * class.c (add_method): Allow using-declarations to coexist.
449 2016-10-25 Jason Merrill <jason@redhat.com>
451 * constexpr.c (maybe_constant_init): Pull out TARGET_EXPR_INITIAL.
452 (cxx_eval_outermost_constant_expr): Don't return a CONSTRUCTOR
453 with CONSTRUCTOR_NO_IMPLICIT_ZERO.
454 (cxx_eval_call_expression): Clear CONSTRUCTOR_NO_IMPLICIT_ZERO.
456 2016-10-25 Jakub Jelinek <jakub@redhat.com>
458 * parser.c (cp_parser_postfix_expression): Adding missing break;.
460 * cp-tree.h (finish_builtin_launder): Declare.
461 * parser.c (cp_parser_postfix_expression): Handle RID_BUILTIN_LAUNDER.
462 * semantics.c (finish_builtin_launder): New function.
463 * pt.c (tsubst_copy_and_build): Handle instantiation of IFN_LAUNDER.
464 * constexpr.c (cxx_eval_internal_function): Handle IFN_LAUNDER.
465 (potential_constant_expression_1): Likewise.
467 2016-10-24 Jakub Jelinek <jakub@redhat.com>
469 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
470 and DW_AT_rvalue_reference.
472 * cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
473 instead of TREE_CODE (x) == VAR_DECL.
474 * constraint.cc (get_concept_definition): Likewise.
475 (finish_shorthand_constraint): Likewise.
476 * init.c (warn_placement_new_too_small): Likewise.
477 * cp-gimplify.c (cp_genericize_r): Likewise.
479 2016-10-21 Jason Merrill <jason@redhat.com>
482 * pt.c (convert_template_argument): Call convert_nontype_argument
483 on value-dependent but not type-dependent arguments.
484 (convert_nontype_argument): Handle value-dependent arguments.
485 (canonicalize_expr_argument): New.
486 (deducible_expression, unify): Skip CONVERT_EXPR.
487 * error.c (dump_template_argument): Likewise.
488 * mangle.c (write_expression): Likewise.
490 * ptree.c (cxx_print_xnode) [TEMPLATE_PARM_INDEX]: Dump the decl.
492 2016-10-21 Jakub Jelinek <jakub@redhat.com>
494 * cp-objcp-common.c (cp_decl_dwarf_attribute): Handle
497 2016-10-17 Jakub Jelinek <jakub@redhat.com>
499 * cp-objcp-common.h (cp_function_decl_explicit_p,
500 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
501 (cp_decl_dwarf_attribute): Declare.
502 (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P,
503 LANG_HOOKS_FUNCTION_DECL_DELETED_P,
504 LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Remove.
505 (LANG_HOOKS_DECL_DWARF_ATTRIBUTE): Redefine.
506 * cp-objcp-common.c (cp_function_decl_explicit_p,
507 cp_function_decl_deleted_p, cp_function_decl_defaulted): Remove.
508 (cp_decl_dwarf_attribute): New function.
510 2016-10-15 Jason Merrill <jason@redhat.com>
513 * constexpr.c (maybe_simplify_trivial_copy): New.
514 (cxx_eval_store_expression): Call it.
515 * call.c (build_over_call): Use unsigned char for trivial copy.
517 2016-10-14 Jason Merrill <jason@redhat.com>
519 Implement P0017R1, C++17 aggregates with bases.
520 * class.c (build_base_field_1): Split out from...
521 (build_base_field): ...here. In C++17 mode, build a field for
523 * decl.c (xref_basetypes): In C++17 aggregates can have bases.
524 (next_initializable_field): Allow base fields in C++17.
525 * typeck2.c (process_init_constructor_record): Likewise.
527 2016-10-14 Jakub Jelinek <jakub@redhat.com>
529 DR 1511 - const volatile variables and ODR
530 * decl.c (grokvardecl): Change flags argument to type_quals,
531 add conceptp argument. Set TREE_PUBLIC for non-static volatile vars.
532 (grokdeclarator): Adjust grokvardecl caller.
534 2016-10-13 Martin Sebor <msebor@redhat.com>
537 * class.c (struct flexmems_t): Add members.
538 (find_flexarrays): Add arguments. Correct handling of anonymous
540 (diagnose_flexarrays): Adjust to issue warnings in addition to errors.
541 (check_flexarrays): Add argument.
542 (diagnose_invalid_flexarray): New functions.
544 2016-10-13 Jakub Jelinek <jakub@redhat.com>
545 Jason Merrill <jason@redhat.com>
547 Implement P0386R2 - C++17 inline variables
548 * cp-tree.h (struct lang_type): Shrink language field to 1 bit
549 from 4. Add var_declared_inline_p field. Mention 2 spare bits.
550 (DECL_VAR_DECLARED_INLINE_P): Define.
551 (SET_DECL_VAR_DECLARED_INLINE_P): Define.
552 (DECL_INLINE_VAR_P): Define.
553 (diagnose_inline_vars_for_namespace): Declare.
554 * decl.c (diagnose_inline_vars_for_namespace): New function.
555 (duplicate_decls): For static data members copy
556 DECL_DECLARED_CONSTEXPR_P.
557 (redeclaration_error_message): Handle C++17 redundant redeclaration
558 of constexpr static data member outside of class.
559 (maybe_commonize_var): Handle inline variables.
560 (check_initializer): Ignore inline variables for diagnostics.
561 Adjust diagnostic wording for C++17.
562 (make_rtl_for_nonlocal_decl): Allow in-class definition of
563 inline static data members.
564 (bad_specifiers): Don't diagnose inline on variables here.
565 (grokvardecl): Add inlinep argument, non-static const inline variables
567 (check_static_variable_definition): Return early also for inline
569 (mark_inline_variable): New.
570 (grokdeclarator): Handle inline variables and inline static data
572 * typeck2.c (store_init_value): Don't diagnose non-constant
573 initializers for non-constexpr inline static data members.
574 * decl2.c (vague_linkage_p): Return true for inline variables.
575 (c_parse_final_cleanups): In-class declaration of inline static
576 data members is a definition. Call diagnose_inline_vars_for_namespace
577 through walk_namespaces.
578 * pt.c (instantiate_decl): Set pattern_defined for in-class definitions
579 of inline static data members.
581 2016-10-13 Jason Merrill <jason@redhat.com>
583 * decl.c (mark_inline_variable): New.
586 2016-10-13 Thomas Preud'homme <thomas.preudhomme@arm.com>
588 * decl2.c: Include memmodel.h.
591 2016-10-11 Jason Merrill <jason@redhat.com>
594 * init.c (build_new_1): Don't -Waligned-new about placement new.
595 (malloc_alignment): New. Consider MALLOC_ABI_ALIGNMENT.
596 * decl.c (cxx_init_decl_processing): New.
598 2016-10-10 Jason Merrill <jason@redhat.com>
602 * pt.c (do_class_deduction): Set cp_unevaluated_operand.
603 (tsubst) [TEMPLATE_TYPE_PARM]: Copy CLASS_PLACEHOLDER_TEMPLATE.
605 2016-10-08 Jason Merrill <jason@redhat.com>
607 * cp-gimplify.c (cp_fold): Add variable name.
609 * cp-gimplify.c (cp_fold): Distribute cp_truthvalue_conversion
612 2016-10-07 Jason Merrill <jason@redhat.com>
614 Further P0135 refinement.
615 * call.c (build_user_type_conversion_1): Consider conversions from
616 a single element in an initializer-list.
617 (build_temp): Undo early_elide_copy change.
618 (build_over_call): Check that we don't try to copy a TARGET_EXPR
619 in C++17 mode. Set user_conv_p here.
620 (convert_like_real): Not here.
621 (check_self_delegation): Split out from...
622 (build_special_member_call): ...here. Handle C++17 copy elision.
623 * cvt.c (early_elide_copy): Remove.
624 (ocp_convert): Undo early_elide_copy change.
625 * except.c (build_throw): Likewise.
626 * init.c (expand_default_init): Likewise.
627 * typeck.c (cp_build_modify_expr): Likewise.
629 2016-10-07 Nathan Sidwell <nathan@acm.org>
633 * init.c (emit_mem_initializers): Don't construct vbases of
635 (push_base_cleanups): Don't push vbase cleanups for abstract class
637 * method.c (synthethesized_method_walk): Don't walk vbases of
638 abstract classes when in C++14 mode.
640 2016-10-07 Jakub Jelinek <jakub@redhat.com>
642 Implement LWG2296 helper intrinsic
643 * parser.c (cp_parser_postfix_expression): Handle RID_ADDRESSOF.
644 * cp-objcp-common.c (cp_common_init_ts): Handle ADDRESSOF_EXPR.
645 * constexpr.c (potential_constant_expression_1): Likewise.
646 * error.c (dump_expr): Likewise.
647 * typeck.c (cp_build_addressof): New function.
648 * cp-tree.h (cp_build_addressof): Declare.
649 * cxx-pretty-print.h (pp_cxx_addressof_expression): Declare.
650 * cp-tree.def (ADDRESSOF_EXPR): New tree code.
651 * cxx-pretty-print.c (cxx_pretty_printer::primary_expression): Handle
652 ADDRESSOF_EXPR. Add __builtin_addressof and
653 __has_unique_object_representations into syntax in function comment.
654 (pp_cxx_addressof_expression): New function.
655 * pt.c (tsubst_copy_and_build): Handle ADDRESSOF_EXPR.
657 2016-10-07 Bernd Edlinger <bernd.edlinger@hotmail.de>
660 * parser.c (cp_parser_base_specifier): Fix a warning.
662 2016-10-07 Bernd Schmidt <bschmidt@redhat.com>
665 * decl.c (grokdeclarator): Try to find the correct location for an
668 2016-10-07 Martin Liska <mliska@suse.cz>
670 * lambda.c (maybe_add_lambda_conv_op): Set default value.
672 2016-10-06 Jason Merrill <jason@redhat.com>
674 * call.c (build_temp, convert_like_real): Don't re-copy
675 TARGET_EXPR. Handle packed fields.
676 (build_x_va_arg): Wrap it in a TARGET_EXPR.
677 (build_over_call): Add sanity check.
678 * cvt.c (early_elide_copy): New.
679 (ocp_convert): Use it.
680 * except.c (build_throw): Use it.
681 * init.c (get_nsdmi): Put back the TARGET_EXPR.
682 (expand_default_init): Call early_elide_copy.
683 * typeck.c (cp_build_modify_expr): Call early_elide_copy.
685 2016-10-06 Jakub Jelinek <jakub@redhat.com>
687 Implement P0258R2 - helper for C++17
688 std::has_unique_object_representations trait
689 * cp-tree.h (enum cp_trait_kind): Add
690 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
691 (struct lang_type_class): Add unique_obj_representations
692 and unique_obj_representations_set bitfields.
693 (CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS,
694 CLASSTYPE_UNIQUE_OBJ_REPRESENTATIONS_SET): Define.
695 (type_has_unique_obj_representations): Declare.
696 * parser.c (cp_parser_primary_expression): Handle
697 RID_HAS_UNIQUE_OBJ_REPRESENTATIONS.
698 (cp_parser_trait_expr): Likewise. Formatting fix.
699 * semantics.c (trait_expr_value, finish_trait_expr): Handle
700 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
701 * tree.c (type_has_unique_obj_representations): New function.
702 (record_has_unique_obj_representations): New function.
703 * cxx-pretty-print.c (pp_cxx_trait_expression): Handle
704 CPTK_HAS_UNIQUE_OBJ_REPRESENTATIONS.
706 2016-10-05 Jason Merrill <jason@redhat.com>
708 Implement P0135R1, Guaranteed copy elision.
709 * cvt.c (ocp_convert): Don't re-copy a TARGET_EXPR in C++17.
712 * call.c (reference_binding): Fix binding to member of temporary.
714 * call.c (extend_ref_init_temps): Fix TARGET_EXPR handling.
716 * parser.c (cp_parser_skip_to_end_of_statement): Add missing break.
718 * semantics.c (finish_compound_literal): Handle class placeholder.
720 2016-10-05 Marek Polacek <polacek@redhat.com>
722 Implement P0305R1, Selection statements with initializer.
723 * cp-array-notation.c (create_an_loop): Call finish_init_stmt
724 instead of finish_for_init_stmt.
725 * cp-tree.h (finish_for_init_stmt): Rename to finish_init_stmt.
726 * decl.c (poplevel): Adjust a comment.
727 * init.c (build_vec_init): Call finish_init_stmt instead of
728 finish_for_init_stmt.
729 * name-lookup.c (pushdecl_maybe_friend_1): Adjust a comment.
730 * name-lookup.h (enum scope_kind): Likewise.
731 * parser.c (cp_parser_statement): Update commentary.
732 (cp_parser_init_statement_p): New function.
733 (cp_parser_selection_statement): Parse the optional init-statement.
734 (cp_parser_for): Call finish_init_stmt instead of finish_for_init_stmt.
735 (cp_parser_c_for): Likewise.
736 (cp_convert_range_for): Call finish_init_stmt instead of finish_for_init_stmt.
737 (cp_parser_range_for_member_function): Update commentary.
738 (cp_parser_iteration_statement):
739 (cp_parser_for_init_statement): Rename to cp_parser_init_statement.
740 * pt.c (tsubst_omp_for_iterator): Update commentary.
741 (tsubst_expr): Call finish_init_stmt instead of finish_for_init_stmt.
742 * semantics.c (finish_for_init_stmt): Rename to finish_init_stmt.
745 2016-10-04 Jason Merrill <jason@redhat.com>
748 * pt.c (do_class_deduction): Handle list-initialization.
749 (do_auto_deduction): Call it sooner.
750 (build_deduction_guide): Use tsubst_arg_types.
751 (rewrite_template_parm): Don't copy_type.
754 * constexpr.c (cxx_eval_component_reference): Use name matching
757 Implement P0091R2, Template argument deduction for class templates.
758 * parser.c (cp_parser_simple_type_specifier): Parse class placeholder.
759 Use the location of the beginning of the type-specifier.
760 (cp_parser_init_declarator): Parse deduction guide.
761 (cp_parser_diagnose_invalid_type_name): Mention class deduction.
762 (cp_parser_type_id_1): Don't accept class placeholder as template arg.
763 * cp-tree.h (CLASS_PLACEHOLDER_TEMPLATE): New.
764 * decl.c (grokdeclarator): Check for uninitialized auto here.
765 (start_decl_1): Not here.
766 (cp_finish_decl): Or here. Don't collapse a list when doing
768 (grokfndecl): Check deduction guide scope and body.
769 * error.c (dump_decl, dump_function_decl, dump_function_name):
770 Handle deduction guides.
771 * pt.c (make_template_placeholder, do_class_deduction): New.
772 (build_deduction_guide, rewrite_template_parm): New.
773 (dguide_name, dguide_name_p, deduction_guide_p): New.
774 (do_auto_deduction): Call do_class_deduction.
775 (splice_late_return_type, is_auto): Handle class placeholders.
776 (template_parms_level_to_args): Split from template_parms_to_args.
777 (tsubst_template_parms_level): Split from tsubst_template_parms.
778 * typeck2.c (build_functional_cast): Handle class placeholder.
780 2016-10-04 Martin Sebor <msebor@redhat.com>
783 * init.c (warn_placement_new_too_small): Avoid assuming an array type
786 2016-10-04 Jakub Jelinek <jakub@redhat.com>
789 * parser.c (cp_parser_lambda_declarator_opt): Only pedwarn
790 for C++11 on decls in the param_list. Test cxx_dialect < cxx14 before
793 * cp-tree.h (enum cp_tree_index): Remove CPTI_JAVA_*,
794 CPTI_LANG_NAME_JAVA and CPTI_JCLASS.
795 (java_byte_type_node, java_short_type_node, java_int_type_node,
796 java_long_type_node, java_float_type_node, java_double_type_node,
797 java_char_type_node, java_boolean_type_node, lang_name_java,
798 jclass_node): Remove.
799 (enum languages): Remove lang_java.
800 (TYPE_FOR_JAVA): Remove.
801 (struct lang_type_class): Remove java_interface bit-field.
802 (TYPE_JAVA_INTERFACE): Remove.
803 (pragma_java_exceptions): Remove.
804 (check_java_method, build_java_class_ref): Remove prototypes.
805 * name-lookup.c (pushtag_1): Don't set TYPE_FOR_JAVA.
806 * decl2.c (acceptable_java_type, check_java_method): Remove.
807 (import_export_decl): Remove TYPE_FOR_JAVA handling.
808 (build_java_method_aliases): Remove.
809 (c_parse_final_cleanups): Don't call build_java_method_aliases.
810 (possibly_inlined_p): Don't test pragma_java_exceptions.
811 * init.c (build_new_1): Remove TYPE_FOR_JAVA handling.
812 (build_java_class_ref): Remove.
813 * pt.c (maybe_new_partial_specialization, lookup_template_class_1,
814 instantiate_class_template_1): Don't copy TYPE_FOR_JAVA.
815 * except.c (eh_type_info): Remove java type handling.
816 (decl_is_java_type, choose_personality_routine): Remove.
817 (initialize_handler_parm): Don't call choose_personality_routine.
818 (expand_start_catch_block): Don't handle java types.
819 (build_throw): Likewise.
820 * cp-lang.c (cp_eh_personality): Don't handle pragma_java_exceptions.
821 * typeck.c (structural_comptypes): Don't compare TYPE_FOR_JAVA.
822 * call.c (build_over_call): Don't handle TYPE_JAVA_INTERFACE.
823 (java_iface_lookup_fn): Remove.
824 (build_java_interface_fn_ref): Remove.
825 * tree.c (cxx_attribute_table): Remove java_interface.
826 (handle_java_interface_attribute): Remove.
827 * lex.c (pragma_java_exceptions): Remove.
828 (init_cp_pragma): Don't register GCC java_exceptions pragma.
829 (handle_pragma_java_exceptions): Remove.
830 (retrofit_lang_decl): Don't handle lang_name_java.
831 * method.c (implicitly_declare_fn): Don't handle TYPE_FOR_JAVA.
832 * error.c (language_to_string): Don't handle lang_java.
833 * decl.c (record_builtin_java_type): Remove.
834 (initialize_predefined_identifiers): Remove Java.
835 (cxx_init_decl_processing): Remove java_*_type_node.
836 (cp_finish_decl): Don't handle TYPE_FOR_JAVA.
837 (grokfndecl): Likewise.
838 (check_special_function_return_type): Likewise.
839 (grokdeclarator): Don't set TYPE_FOR_JAVA.
840 (grokparms): Don't handle TYPE_FOR_JAVA.
841 (xref_basetypes): Likewise.
842 (check_function_type): Likewise.
843 (finish_constructor_body): Likewise.
844 * mangle.c (write_builtin_type): Don't handle TYPE_FOR_JAVA
845 and java_*_type_node.
846 (write_bare_function_type): Don't handle TYPE_FOR_JAVA.
847 (write_java_integer_type_codes): Remove.
848 * class.c (add_method): Don't handle TYPE_FOR_JAVA.
849 (add_implicitly_declared_members, determine_key_method,
850 finish_struct_1): Likewise.
851 (push_lang_context): Don't handle lang_name_java.
853 2016-10-03 Marek Polacek <polacek@redhat.com>
856 * typeck.c (cp_build_binary_op): Pass original operands to
857 null_ptr_cst_p, not those after the default conversions.
859 2016-10-03 Bernd Edlinger <bernd.edlinger@hotmail.de>
861 * parser.c (cp_parser_condition): Fix a warning.
863 2016-09-29 Jakub Jelinek <jakub@redhat.com>
865 Implement P0001R1 - C++17 removal of register storage class specifier
866 * decl.c (cp_finish_decl): Diagnose register storage class
867 on vars except when used in GNU global or local register variable
869 (grokdeclarator): Diagnose register storage class on parameters.
870 * except.c (expand_start_catch_block): Set DECL_REGISTER only
871 after cp_finish_decl call.
873 2016-09-29 Marek Polacek <polacek@redhat.com>
875 * rtti.c (involves_incomplete_p): Add fall through comment.
877 2016-09-28 Jakub Jelinek <jakub@redhat.com>
880 * constexpr.c (enum constexpr_switch_state): New.
881 (struct constexpr_ctx): Add css_state field.
882 (label_matches): Add CTX and STMT arguments, remove I and
883 DEFAULT_LABEL. For CASE_LABEL_EXPR assert ctx->css_state != NULL,
884 handle default labels according to css_state.
885 (cxx_eval_statement_list): Remove statement skipping, label_matches
886 and default_label handling code.
887 (cxx_eval_loop_expr): Exit after first iteration even if
888 switches (jump_target).
889 (cxx_eval_switch_expr): Set up css_state field in ctx, if default
890 label has been seen in the body, but no cases matched, evaluate
891 the body second time.
892 (cxx_eval_constant_expression): Handle stmt skipping and label_matches
893 here. Handle PREDICT_EXPR. For MODIFY_EXPR or INIT_EXPR, assert
894 statement is not skipped. For COND_EXPR during skipping, don't
895 evaluate condition, just the then block and if still skipping at the
896 end also the else block.
897 (cxx_eval_outermost_constant_expr): Adjust constexpr_ctx initializer.
898 (is_sub_constant_expr): Likewise.
900 2016-09-27 Jakub Jelinek <jakub@redhat.com>
902 Implement P0018R3, C++17 lambda capture of *this by value as [=,*this]
903 * parser.c (cp_parser_lambda_introducer): Formatting fix. Pass
904 true instead of false as by_reference_p to add_capture for 'this'.
905 Parse '*this' simple-capture.
906 * lambda.c (build_capture_proxy): Handle '*this' capture by value.
907 (add_capture): Adjust function comment. For id == this_identifier,
908 treat by_reference_p as capturing '*this' by reference, i.e. 'this'
909 by value, and !by_reference_p as capturing '*this' by value.
910 (add_default_capture): For implicit 'this' capture, always pass
911 by_reference_p true rather than false.
914 * cp-gimplify.c (cp_ubsan_maybe_instrument_return): Instrument also
915 functions that have just a STATEMENT_LIST instead of BIND_EXPR, or
916 BIND_EXPR with some statement rather than STATEMENT_LIST as body.
918 2016-09-26 Nathan Sidwell <nathan@acm.org>
920 * init.c (expand_default_init): Fix } indentation.
921 * method.c (process_subob_fn): Simplify control structure to
923 (implicitly_declare_fn): Remove duplicated lambda ctor check.
925 2016-09-26 Marek Polacek <polacek@redhat.com>
928 * parser.c (cp_parser_storage_class_specifier_opt): Add
930 (cp_parser_skip_to_end_of_template_parameter_list): Likewise.
931 (cp_parser_cache_defarg): Likewise.
932 (cp_parser_omp_for_cond): Likewise.
933 * semantics.c (finish_decltype_type): Likewise.
934 * typeck.c (structural_comptypes): Likewise.
935 (cp_build_binary_op): Likewise.
936 (cp_build_modify_expr): Likewise.
938 2016-09-26 Marek Polacek <polacek@redhat.com>
941 * constexpr.c (cxx_eval_internal_function): Handle IFN_FALLTHROUGH.
942 (potential_constant_expression_1): Likewise.
943 * constraint.cc (function_concept_check_p): Check fn for null.
944 * parser.c (cp_parser_expression_statement): Handle attribute
946 (cp_parser_statement): Likewise.
947 (cp_parser_label_for_labeled_statement): Set FALLTHROUGH_LABEL_P on
949 (cp_parser_std_attribute): Handle fallthrough attribute.
950 (cp_parser_check_std_attribute): Add %< %> quotes.
951 * pt.c (tsubst_copy_and_build): Handle internal functions.
952 (instantiation_dependent_scope_ref_p): Return if the expression is
955 2016-09-24 Marek Polacek <polacek@redhat.com>
958 * typeck.c (cp_build_unary_op): Warn about bit not on expressions that
961 2016-09-23 Jakub Jelinek <jakub@redhat.com>
963 Implement P0138R2, C++17 construction rules for enum class values
964 * cp-tree.h (is_direct_enum_init): Declare.
965 * decl.c (is_direct_enum_init): New function.
966 (reshape_init): Use it.
967 * typeck.c (convert_for_assignment): Likewise.
969 * Make-lang.in (check-c++1z): Pass RUNTESTFLAGS down to
972 * constexpr.c (call_stack): Remove unnecessary
973 = vNULL initialization of file scope vec.
975 * name-lookup.c (store_bindings, store_class_bindings): Don't
976 initialize static local bindings_need_stored to vNULL.
978 * typeck2.c (process_init_constructor_record): Use
979 CONSTRUCTOR_NELTS (...) instead of
980 vec_safe_length (CONSTRUCTOR_ELTS (...)).
981 * decl.c (reshape_init_r): Likewise.
982 (check_initializer): Likewise.
984 2016-09-22 Paolo Carlini <paolo.carlini@oracle.com>
987 * class.c (build_base_path): Allow for lookup_base returning
990 2016-09-21 Jason Merrill <jason@redhat.com>
993 * call.c (null_ptr_cst_p): Check char_type_p.
995 2016-09-21 Jakub Jelinek <jakub@redhat.com>
998 * init.c (build_new_1): Don't suggest to use -faligned-new if
999 aligned_new_threshold is non-zero.
1000 (type_has_new_extended_alignment): Change aligned_new_threshhold
1001 to aligned_new_threshold.
1002 * call.c (second_parm_is_size_t, aligned_allocation_fn_p,
1003 aligned_deallocation_fn_p, build_op_delete_call): Likewise.
1004 * decl.c (cxx_init_decl_processing): Likewise.
1006 2016-09-20 Jakub Jelinek <jakub@redhat.com>
1009 * constexpr.c (cxx_fold_indirect_ref): Don't call byte_position on
1010 FIELD_DECLs with error_mark_node type. Remove useless break; after
1014 * parser.c (cp_parser_template_declaration_after_parameter): For 2
1015 argument operator"" template set ok to false for
1016 parm == error_mark_node.
1019 * parser.c (cp_parser_std_attribute_list): Reject ... without
1020 preceding attribute.
1022 2016-09-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
1025 * cvt.c (cp_convert_and_check): Suppress Wint-in-bool-context here.
1027 2016-09-16 Patrick Palka <ppalka@gcc.gnu.org>
1030 * parser.c (cp_parser_class_head): When
1031 processing_template_parmlist, don't assume that the
1032 class-head may start an explicit specialization.
1034 2016-09-16 Jakub Jelinek <jakub@redhat.com>
1037 * error.c (dump_simple_decl): Only check DECL_DECLARED_CONCEPT_P
1038 if DECL_LANG_SPECIFIC is non-NULL. Fix up formatting.
1041 * constexpr.c (cxx_eval_constant_expression) <case PARM_DECL>: Only
1042 call is_really_empty_class on complete types.
1045 * class.c (check_bases): Set CLASSTYPE_HAS_MUTABLE if any
1046 TYPE_HAS_MUTABLE_P for any bases.
1048 2016-09-16 Jason Merrill <jason@redhat.com>
1050 * class.c (check_bases, set_one_vmethod_tm_attributes): Use
1052 * decl.c (cxx_init_decl_processing): Use pow2p_hwi.
1053 * parser.c (cp_parser_cilk_simd_vectorlength): Use pow2p_hwi.
1055 2016-09-14 Jakub Jelinek <jakub@redhat.com>
1058 * name-lookup.c (consider_binding_level): Look through TREE_LIST
1061 2016-09-14 Marek Polacek <polacek@redhat.com>
1063 * typeck.c (cp_build_unary_op): Diagnose incrementing boolean
1064 expressions. Tweak an error message.
1066 2016-09-14 Marek Polacek <polacek@redhat.com>
1068 * cp-tree.h (cp_build_unary_op): Change nonconvert parameter type to
1070 * decl2.c (one_static_initialization_or_destruction): Use true instead
1072 * init.c (build_vec_init): Use false instead of 0.
1073 * pt.c (tsubst_copy_and_build): Likewise.
1074 * semantics.c (simplify_loop_decl_cond): Likewise.
1075 * typeck.c (rationalize_conditional_expr): Likewise.
1076 (cp_build_binary_op): Use true instead of 1.
1077 (cp_build_unary_op): Change nonconvert parameter type to bool. Use true
1079 (build_unary_op): Change nonconvert parameter type to bool.
1080 (unary_complex_lvalue): Use false instead of 0.
1082 2016-09-13 Jakub Jelinek <jakub@redhat.com>
1084 Implement P0028R4, C++17 using attribute namespaces without repetition
1085 * parser.c (cp_parser_std_attribute): Add ATTR_NS argument. Diagnose
1086 non-NULL ATTR_NS with scoped attribute token. Handle non-NULL
1087 ATTR_NS with non-scoped attribute tokens. Allow named ops in
1088 identifier after ::.
1089 (cp_parser_std_attribute_list): Add ATTR_NS argument, pass it down
1090 to cp_parser_std_attribute calls.
1091 (cp_parser_std_attribute_spec): Parse optional C++17
1092 attribute-using-prefix, adjust grammar in function comment.
1095 * constexpr.c (cxx_fold_pointer_plus_expression): New function.
1096 (cxx_eval_binary_expression): Use it for POINTER_PLUS_EXPR.
1097 (cxx_eval_pointer_plus_expression): Remove.
1098 (cxx_eval_constant_expression) <case POINTER_PLUS_EXPR>: Don't
1099 call cxx_eval_pointer_plus_expression.
1101 2016-09-13 David Malcolm <dmalcolm@redhat.com>
1103 * parser.c (cp_parser_class_specifier_1): Update for renaming of
1104 add_fixit_insert to add_fixit_insert_before.
1105 (cp_parser_class_head): Likewise.
1107 2016-09-12 Bernd Edlinger <bernd.edlinger@hotmail.de>
1110 * call.c (build_conditional_expr_1): Call warn_for_omitted_condop.
1111 * class.c (instantiate_type): Look through the SAVE_EXPR.
1113 2016-09-09 Jason Merrill <jason@redhat.com>
1115 Implement P0035R4, C++17 new of over-aligned types.
1116 * cp-tree.h (enum cp_tree_index): Add CPTI_ALIGN_TYPE.
1117 (align_type_node): New macro.
1118 * call.c (build_operator_new_call): Handle C++17 aligned new.
1119 (second_parm_is_size_t, build_op_delete_call): Likewise.
1120 (non_placement_deallocation_fn_p): Likewise. Rename to
1121 usual_deallocation_fn_p.
1122 (aligned_allocation_fn_p, aligned_deallocation_fn_p): New.
1123 * decl.c (cxx_init_decl_processing): Add aligned new support.
1124 * init.c (type_has_new_extended_alignment): New.
1125 (build_new_1): Handle aligned new.
1126 * tree.c (vec_copy_and_insert): New.
1128 2016-09-02 Jakub Jelinek <jakub@redhat.com>
1131 * decl2.c (do_static_initialization_or_destruction): Only
1132 call asan_dynamic_init_call if INITP is true.
1134 2016-09-01 Martin Sebor <msebor@redhat.com>
1136 * mangle.c: Increase buffer size to guarantee it fits the output
1137 of the formatted function regardless of its arguments.
1139 2016-09-01 Marek Polacek <polacek@redhat.com>
1142 * error.c (dump_type): Fix falls through comment.
1143 (dump_decl): Likewise.
1144 (dump_expr): Likewise.
1146 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1148 * parser.c (cp_parser_enclosed_template_argument_list): Add fix-it
1149 hint to ">>" within nested template argument list error.
1151 2016-08-30 David Malcolm <dmalcolm@redhat.com>
1153 * name-lookup.c (suggest_alternatives_for): Use add_fixit_replace
1154 rather than add_fixit_misspelled_id.
1155 * parser.c (cp_parser_diagnose_invalid_type_name): Likewise.
1157 2016-08-29 Jason Merrill <jason@redhat.com>
1160 * mangle.c (maybe_check_abi_tags): Add version parm, handle thunks.
1161 (mangle_thunk): Add thunk parameter.
1162 * method.c (finish_thunk): Pass it.
1163 * cp-tree.h: Declare it.
1165 2016-08-15 Jason Merrill <jason@redhat.com>
1167 Avoid calling a trivial default constructor.
1168 * class.c (default_ctor_p): New.
1169 (in_class_defaulted_default_constructor): Use it.
1170 (type_has_non_user_provided_default_constructor): Use it.
1171 * call.c (build_over_call): Handle trivial default constructor.
1172 * cp-tree.h: Declare default_ctor_p.
1175 * pt.c (do_type_instantiation): Don't mess with non-user-provided
1178 2016-08-25 Marek Polacek <polacek@redhat.com>
1180 * parser.c (cp_parser_binary_expression): Pass LHS to
1181 warn_logical_not_parentheses.
1183 2016-08-18 Marek Polacek <polacek@redhat.com>
1186 * call.c (add_builtin_candidate): Add gcc_fallthrough.
1187 * cxx-pretty-print.c (pp_cxx_unqualified_id): Likewise.
1188 * parser.c (cp_parser_skip_to_end_of_statement): Likewise.
1189 (cp_parser_cache_defarg): Likewise.
1191 2016-08-12 Marek Polacek <polacek@redhat.com>
1194 * call.c (add_builtin_candidate): Add FALLTHRU.
1195 (build_integral_nontype_arg_conv): Adjust fall through comment.
1196 (build_new_op_1): Add FALLTHRU.
1197 (convert_like_real): Adjust fall through comment.
1198 * class.c (fixed_type_or_null): Likewise.
1199 * constexpr.c (cxx_eval_constant_expression): Likewise.
1200 (potential_constant_expression_1): Likewise. Add FALLTHRU.
1201 * cp-gimplify.c (cp_gimplify_expr): Adjust fall through comment.
1202 (cp_fold): Add FALLTHRU.
1203 * cvt.c (build_expr_type_conversion): Adjust fall through comment.
1204 * cxx-pretty-print.c (pp_cxx_unqualified_id): Add FALLTHRU.
1205 (pp_cxx_qualified_id): Likewise.
1206 (cxx_pretty_printer::constant): Adjust fall through comment.
1207 (cxx_pretty_printer::primary_expression): Add FALLTHRU.
1208 (pp_cxx_pm_expression): Adjust fall through comment.
1209 (cxx_pretty_printer::expression): Add FALLTHRU.
1210 (cxx_pretty_printer::declaration_specifiers): Reformat code.
1211 (pp_cxx_type_specifier_seq): Adjust fall through comment.
1212 (pp_cxx_ptr_operator): Likewise. Add FALLTHRU.
1213 * error.c (dump_type): Adjust fall through comment.
1214 (dump_decl): Likewise.
1215 * mangle.c (write_type): Likewise.
1216 * method.c (synthesized_method_walk): Add FALLTHRU.
1217 * name-lookup.c (arg_assoc_type): Likewise.
1218 * parser.c (cp_lexer_print_token): Adjust fall through comment.
1219 (cp_parser_primary_expression): Add FALLTHRU.
1220 (cp_parser_operator): Likewise.
1221 * pt.c (find_parameter_packs_r): Likewise.
1222 (tsubst_aggr_type): Adjust fall through comment.
1223 * semantics.c (finish_omp_clauses): Add FALLTHRU.
1224 * tree.c (lvalue_kind): Likewise.
1226 2016-08-12 Alexandre Oliva <aoliva@redhat.com>
1229 * cp-objcp-common.c (cp_function_decl_defaulted): New.
1230 (cp_function_decl_explicit_p): Const_tree-ify.
1231 (cp_function_decl_deleted_p): Likewise.
1232 * cp-objcp-common.h (cp_function_decl_defaulted): Declare.
1233 (cp_function_decl_explicit_p): Const_tree-ify.
1234 (cp_function_decl_deleted_p): Likewise.
1235 (LANG_HOOKS_FUNCTION_DECL_DEFAULTED): Redefine.
1237 2016-08-11 Jakub Jelinek <jakub@redhat.com>
1240 * constexpr.c (label_matches): Handle case range expressions.
1242 2016-08-11 Jason Merrill <jason@redhat.com>
1245 * logic.cc (non_atomic_constraint_p): Handle EXPR_PACK_EXPANSION.
1247 2016-08-10 Jason Merrill <jason@redhat.com>
1249 Implement C++17 constexpr if.
1250 * cp-tree.h (IF_STMT_CONSTEXPR_P): New.
1251 * name-lookup.c (push_to_top_level, pop_from_top_level_1): Handle it.
1252 * parser.h (struct cp_parser): Add in_discarded_stmt field.
1253 * parser.c (cp_parser_selection_statement): Handle 'if constexpr'.
1254 (cp_parser_jump_statement): Avoid deducing from a discarded return.
1255 * pt.c (tsubst_expr): Only instantiate taken branch of constexpr if.
1256 * semantics.c (begin_if_stmt): Set the binding level this_entity.
1257 (finish_if_stmt_cond): Require the condition of a
1258 constexpr if to be constant.
1259 * decl.c (level_for_constexpr_if): New.
1260 (named_label_entry): Add in_constexpr_if field.
1261 (poplevel_named_label_1): Set it.
1262 (check_goto): Check it.
1263 (check_previous_goto_1): Check level_for_constexpr_if.
1265 2016-08-09 Jason Merrill <jason@redhat.com>
1268 * decl2.c (any_dependent_type_attributes_p): New.
1269 * pt.c (dependent_type_p_r, type_dependent_expression_p): Check it.
1270 * semantics.c (finish_id_expression): Check it.
1271 * typeck.c (finish_class_member_access_expr): Check it.
1274 * class.c (check_abi_tags): Don't duplicate tags for conversion ops.
1276 Adjust mangling of ABI tags on class template member functions.
1277 * class.c (missing_abi_tags): New.
1278 (check_abi_tags): Don't check template. Add just_checking mode.
1279 * mangle.c (abi_flag_at_least, any_abi_below, equal_abi_tags): New.
1280 (sorted_abi_tags): Split out from write_abi_tags.
1281 (struct releasing_vec): New.
1282 (write_unqualified_name): Only look for the primary
1283 template for types. Implement backward compatibility.
1286 * constexpr.c (cxx_eval_constant_expression): Check
1287 COMPLETE_TYPE_P before calling is_really_empty_class.
1288 * class.c (is_really_empty_class): Don't call complete_type.
1291 * typeck.c (cp_build_addr_expr_1): Remove special *this handling.
1293 2016-08-09 Jakub Jelinek <jakub@redhat.com>
1296 * rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
1297 builtin aggregate types without TYPE_BINFO.
1299 2016-08-08 Jason Merrill <jason@redhat.com>
1301 Implement C++17 constexpr lambda.
1302 * class.c (finalize_literal_type_property): Handle lambdas.
1303 * constexpr.c (is_valid_constexpr_fn): Likewise. No longer static.
1304 (explain_invalid_constexpr_fn, cxx_eval_call_expression): Handle
1306 (cxx_eval_constant_expression): Handle capture proxy.
1307 (var_in_constexpr_fn): Don't check for C++14.
1308 (var_in_maybe_constexpr_fn): New.
1309 (potential_constant_expression_1): Use it. Check DECL_EXPR for
1310 declarations not allowed in constexpr function. Handle
1311 STATIC_ASSERT, RANGE_FOR_STMT.
1312 * decl.c (make_rtl_for_nonlocal_decl): Use var_in_maybe_constexpr_fn.
1313 (finish_function): Set DECL_DECLARED_CONSTEXPR_P on lambda members.
1314 * lambda.c (begin_lambda_type): Set CLASSTYPE_LITERAL_P.
1315 (maybe_add_lambda_conv_op): Clear thunk CALL_EXPR location.
1316 (lambda_static_thunk_p): New.
1317 * parser.c (cp_keyword_starts_decl_specifier_p): Add RID_CONSTEXPR.
1318 (CP_PARSER_FLAGS_ONLY_MUTABLE_OR_CONSTEXPR): New enumerator.
1319 (cp_parser_decl_specifier_seq): Handle it.
1320 (cp_parser_lambda_declarator_opt): Use cp_parser_decl_specifier_seq.
1321 * pt.c (instantiate_class_template_1): Set CLASSTYPE_LITERAL_P.
1322 (tsubst_copy_and_build) [CALL_EXPR]: Propagate CALL_FROM_THUNK_P.
1323 * error.c (dump_function_decl): Check TFF_NO_TEMPLATE_BINDINGS.
1324 (dump_expr) [FUNCTION_DECL]: Pass it.
1326 2016-08-08 Jason Merrill <jason@redhat.com>
1329 * class.c (is_really_empty_class): Call complete_type.
1330 * constexpr.c (cxx_eval_constant_expression): Check
1331 is_really_empty_class.
1332 (potential_constant_expression_1): Likewise. Check for error type.
1334 2016-08-08 Jakub Jelinek <jakub@redhat.com>
1337 * parser.c: Include tree-iterator.h.
1338 (cp_parser_omp_for_loop_init): Move lambda DECL_EXPRs from init
1340 (cp_parser_omp_for_loop): Handle non-STATEMENT_LIST FOR_BLOCK
1343 2016-08-06 Jonathan Wakely <jwakely@redhat.com>
1345 * call.c (convert_like_real): Harmonize diagnostics for invalid
1348 2016-08-05 Martin Sebor <msebor@redhat.com>
1350 * constexpr.c (cxx_eval_store_expression): Remove hyphen from
1351 the spelling of "constant-expression" in diagnostic messages
1353 (cxx_eval_constant_expression): Same.
1354 (cxx_eval_outermost_constant_expr): Same.
1355 (potential_constant_expression_1): Same.
1357 2016-08-05 Nathan Sidwell <nathan@acm.org>
1360 * pt.c (unify): TRAIT_EXPR is an expr.
1362 2016-08-04 Paolo Carlini <paolo.carlini@oracle.com>
1365 * lambda.c (add_capture): Check lambda_capture_field_type return
1366 value for error_mark_node.
1368 2016-08-04 Patrick Palka <ppalka@gcc.gnu.org>
1371 * pt.c (tsubst_qualified_id): Return error_mark_node if
1372 template_args is error_mark_node.
1374 2016-08-04 Jason Merrill <jason@redhat.com>
1377 * pt.c (tsubst_pack_expansion): Pull a single pack expansion out
1380 * cp-tree.h (TYPE_UNNAMED_P): Rename from TYPE_ANONYMOUS_P.
1381 (TYPE_WAS_UNNAMED): Rename from TYPE_WAS_ANONYMOUS.
1382 * class.c, decl.c, decl2.c, error.c, lambda.c, mangle.c,
1383 name-lookup.c, parser.c, pt.c, semantics.c, tree.c: Adjust.
1386 * typeck.c (finish_class_member_access_expr): Avoid stripping
1387 SCOPE_REF to dependent base.
1389 2016-08-04 Thomas Schwinge <thomas@codesourcery.com>
1391 * parser.c (cp_ensure_no_oacc_routine): Improve diagnostics.
1392 (cp_parser_late_parsing_cilk_simd_fn_info): Fix diagnostics.
1393 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1394 Simplify code, and improve diagnostics.
1395 (cp_parser_oacc_routine): Likewise. Move pragma context
1397 (cp_parser_pragma): ... here.
1399 * parser.h (struct cp_omp_declare_simd_data): New.
1400 (struct cp_parser): Use it for oacc_routine member.
1401 * parser.c (cp_ensure_no_oacc_routine, cp_parser_oacc_routine)
1402 (cp_parser_late_parsing_oacc_routine, cp_finalize_oacc_routine):
1403 Use it. Simplify code.
1404 (cp_parser_new): Initialize all members pointing to special
1405 parsing data structures.
1406 (cp_parser_cilk_simd_fn_vector_attrs): Initialize
1407 parser->cilk_simd_fn_info->clauses.
1408 (cp_parser_omp_declare_simd): Initialize
1409 parser->omp_declare_simd->clauses.
1410 (cp_parser_late_parsing_omp_declare_simd): Simplify code.
1412 2016-08-04 Marek Polacek <polacek@redhat.com>
1415 * constexpr.c (check_constexpr_ctor_body_1): Allow typedef
1418 2016-08-01 Jason Merrill <jason@redhat.com>
1420 * mangle.c (mangle_decl): Warn about mangled name change even if
1423 * mangle.c (get_abi_tags): New.
1424 (find_substitution, write_unqualified_name, write_abi_tags)
1425 (maybe_check_abi_tags): Use it.
1427 * mangle.c (mangle_decl): Fix mangled name change warning.
1430 * constexpr.c (cxx_eval_pointer_plus_expression): Check constancy
1432 * cp-gimplify.c (cp_fully_fold): Only maybe_constant_value in
1435 2016-07-30 Martin Sebor <msebor@redhat.com>
1439 * constexpr.c (cxx_eval_binary_expression): Reject invalid expressions
1440 involving null pointers.
1441 (cxx_eval_component_reference): Reject null pointer dereferences.
1442 (cxx_eval_indirect_ref): Reject indirecting through null pointers.
1443 (cxx_eval_constant_expression): Reject invalid expressions involving
1446 2016-07-29 Marek Polacek <polacek@redhat.com>
1449 * semantics.c (maybe_convert_cond): Use the location of COND for the
1450 parentheses warning.
1452 2016-07-29 Jason Merrill <jason@redhat.com>
1454 * decl.c (build_enumerator): Tweak diagnostic.
1457 * init.c (expand_aggr_init_1): Only handle value-init of bases.
1458 * constexpr.c (build_data_member_initialization): Handle multiple
1459 initializers for the same field.
1461 2016-07-28 Paolo Carlini <paolo.carlini@oracle.com>
1464 * decl.c (build_enumerator): Check the type of the enumerator before
1465 calling cxx_constant_value.
1467 2016-07-27 Jason Merrill <jason@redhat.com>
1470 * pt.c (get_partial_spec_bindings): Replace tparms and spec_args
1471 parameters with spec_tmpl. Call push_tinst_level.
1472 (most_specialized_partial_spec): Adjust.
1473 (more_specialized_partial_spec): Adjust.
1475 2016-07-25 Jason Merrill <jason@redhat.com>
1478 * cp-gimplify.c (genericize_cp_loop): Revert location change.
1481 * lambda.c (add_capture): Leave a pack expansion in a TREE_LIST.
1482 (build_lambda_object): Call build_x_compound_expr_from_list.
1483 * pt.c (tsubst) [DECLTYPE_TYPE]: Likewise.
1487 * pt.c (coerce_template_parameter_pack): Fix logic for
1491 * constexpr.c (cxx_eval_loop_expr): Count iterations.
1492 * cp-gimplify.c (genericize_cp_loop): Use start_locus even for
1496 * constexpr.c (cxx_eval_array_reference): Handle looking for the
1497 value of an element we're currently modifying.
1499 2016-07-24 Jason Merrill <jason@redhat.com>
1502 * pt.c (resolve_typename_type): Try to avoid calling
1503 currently_open_class.
1505 2016-07-23 Jason Merrill <jason@redhat.com>
1508 * call.c (add_list_candidates): Handle VTT parm.
1509 (build_new_method_call_1): Likewise.
1513 * init.c (expand_aggr_init_1): Handle list-initialization from {}.
1516 * class.c (walk_subobject_offsets): Handle 0-length array.
1519 * pt.c (tsubst): Also substitute into the template of a
1520 BOUND_TEMPLATE_TEMPLATE_PARM.
1523 * pt.c (lookup_template_class_1): Handle getting template from tsubst.
1526 * decl.c (reshape_init_r): Check complain for missing braces warning.
1528 2016-07-22 Jason Merrill <jason@redhat.com>
1531 * call.c (convert_like_real): Use lvalue_kind.
1535 * pt.c (tsubst_baselink): Call
1536 adjust_result_of_qualified_name_lookup for unqualified
1539 2016-07-21 Jason Merrill <jason@redhat.com>
1542 * semantics.c (apply_deduced_return_type): Call
1543 complete_type_or_else before building the new RESULT_DECL.
1546 * decl2.c (maybe_instantiate_decl): Split out from mark_used.
1547 (decl_constant_var_p): Use it instead.
1550 * pt.c (instantiate_decl): Fix pattern_defined for namespace scope
1554 * call.c (unsafe_copy_elision_p): It's OK to elide when
1555 initializing an unknown object.
1557 * call.c (build_over_call): Check unsafe_copy_elision_p even for
1558 trivial constructors.
1559 * method.c (do_build_copy_constructor): Don't copy tail padding
1560 even in a trivial constructor.
1562 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1565 * constexpr.c (potential_constant_expression_1) <case GOTO_EXPR>:
1566 Replace assert with test, return false if the goto isn't break
1567 or continue. Formatting fix.
1569 2016-07-21 Richard Biener <rguenther@suse.de>
1571 * vtable-class-hierarchy.c (vtv_generate_init_routine): Set
1574 2016-07-21 Jakub Jelinek <jakub@redhat.com>
1577 * cp-gimplify.c (cp_genericize): For nested cp_genericize calls
1578 save/restore bc_label array.
1580 2016-07-21 Jason Merrill <jason@redhat.com>
1583 * parser.c (cp_parser_lambda_expression): Unset OK if there was an
1584 error parsing the lambda-declarator.
1587 * constexpr.c (cxx_eval_binary_expression): Handle comparison
1588 between lowered and unlowered PTRMEM_CST.
1591 * typeck.c (cp_truthvalue_conversion): Compare pointers to nullptr.
1592 Don't set c_inhibit_evaluation_warnings.
1595 * cp-gimplify.c (cp_fully_fold): First call maybe_constant_value.
1597 2016-07-21 Andrew Sutton <andrew.n.sutton@gmail.com>
1598 Jason Merrill <jason@redhat.com>
1600 Improving concepts performance and diagnostics.
1604 * cp-tree.def (CHECK_CONSTR): New.
1605 * cp-tree.h (CHECK_CONSTR_CONCEPT): New.
1606 (CHECK_CONSTR_ARGS): New.
1607 * constraint.cc (make_predicate_constraint): Remove in favor of
1608 normalize_expression.
1609 (resolve_constraint_check): Actually return error_mark_node when
1611 (resolve_variable_concept_check): Perform coercion as if processing
1612 a template. Also return errors on resolution failure.
1613 (lift_*): Remove all of these functions. Don't unnecessarily inline
1615 (learn_*): Add facilities to memoize implications for subsumption
1616 during normalization.
1617 (expanding_concept): New.
1618 (expand_concept): New. Return the inlined and normalized definition
1619 of a concept when needed.
1620 (transform_*, xform_*): Rename to normalize_* to better reflect the
1621 responsibility of those functions.
1622 (normalize_template_id_expression): Check for non-boolean operands
1623 when possible. Generate check constraints instead of normal variable
1625 (normalize_call_expression): Report errors when resolution fails.
1626 (check_for_logical_overloads): Rewrite this check to more accurately
1628 (normalize_atom): Check for overloaded calls and invalid types before
1629 determining if the expression refers to a concept.
1630 (build_constraints): Don't cache normalized constraints or decomposed
1632 (finish_shorthand_constraint): Return a normalized expression instead
1633 of a predicate constraint.
1634 (finish_template_introduction): Same.
1635 (placeholder_extract_concept_and_args): Rewrite this since we only
1636 ever get check constraints here.
1637 (equivalent_placeholder_constraints): Rewrite in terms of check
1638 constraints, and handle error_mark_nodes correctly.
1639 (tsubst_check_constraint, tsubst_expr_constr, tsubst_type_constr)
1640 (tsubst_implicit_conversion_constr)
1641 (tsubst_argument_deduction_constr, tsubst_exception_constr)
1642 (tsubst_parameterized_constraint, tsubst_constraint): New.
1643 (tsbust_conjunection): Replace with tsubst_logical_operator and
1644 actually generate the right kind of constraint.
1645 (tsubst_requirement_body): Reverse the order of substituted arguments
1646 so that they appear in the order written (helps diagnostics).
1647 (satisfy_check_constraint): New.
1648 (satisfy_conjunction): Simplify.
1649 (satisfy_disjunction): Same.
1650 (satisfy_constraint_1): Handle check constraints.
1651 (eval_constr): New (private) global state.
1652 (evaluating_constraints_sentinel): New. Manages eval_constr.
1653 (satisfy_constraint): Add timing variables.
1654 (satisfy_associated_constraints): Add hooks for memoization.
1655 (evaluate_function_concept): Build a check constraint instead of
1656 normalizing its definition.
1657 (evaluate_variable_concept): Same.
1658 (evaluate_constraint_expression): Normalize, but in the current
1659 declaration processing context.
1660 (evaluating_constraints_p): New.
1661 (elide_constraint_failure_p): Actually emit constraint_thresh errors.
1662 (diagnose_*): Remove artificial indentation. Add a new parameter to
1663 each that tracks the current (complete) constraint prior to any
1665 (diagnose_expression): Removed.
1666 (diagnose_call_expression): Same.
1667 (diagnose_template_id): Same.
1668 (diagnose_template_id): New.
1669 (diagnose_logical_constraint): New.
1670 (diagnose_expression_constraint): Show the original expression.
1671 (diagnose_type_constraint): Show the original type.
1672 (diagnose_implicit_conversion_constraint): Be specific about
1673 failures, don't re-diagnose a known-to-be-failed substitutions,
1674 and manage elisions properly.
1675 (diagnose_argument_deduction_constraint): Same.
1676 (diagnose_exception_constraint): Same.
1677 (diagnose_parameterized_constraint): Same.
1678 (constraint_p): Allow EXPR_PACK_EXPANSION.
1679 * logic.cc (next_by_distance): Removed. No longer used.
1680 (any_p): Renamed from any_of.
1681 (term_entry, term_hasher): New.
1682 (term_list): Rewrite to include a hash table for quick lookup.
1683 Also, make less stateful.
1684 (proof_state): Extend to allow goals to be discharged once
1686 (non_atomic_constraint_p): New.
1687 (any_non_atomic_constraints_p): New.
1688 (...rest...): Previous implementation completely replaced with an
1689 iterative algorithm that opportunistically prunes the search space
1690 before committing to using more memory.
1691 * parser.c: (cp_parser_type_parameter): Normalize constraints.
1692 (cp_parser_explicit_template_declaration): Same.
1693 * pt.c: (finish_template_variable): Be less redundant with this error
1695 (template_args_equal): No longer static.
1696 (tsubst_decl): Don't try to find specializations of variables that
1697 have already been instantiated.
1698 (build_non_dependent_expr): Avoid infinite recursion during concept
1700 (make_constrained_auto): Normalize constraints.
1701 (do_auto_deduction): When doing auto deduction from a
1702 partial-concept-id, be sure to include the explicit args checking
1704 (constraint_sat_*): New. Memoize satisfied constraints.
1705 (concept_spec_*): New. Memoize expressions associated with a concept
1707 (constraint_memos, concept_memos): New.
1708 (lookup_constraint_satisfaction, memoize_constraint_satisfaction): New.
1709 (lookup_concept_satisfaction, memoize_concept_satisfaction): New.
1710 (get_concept_expansion, save_concept_expansion): New.
1711 (hash_subsumption_args): New.
1712 (comp_subsumption_args): New.
1713 (subsumption_*): New. Memoize parts of the subsumption relation.
1714 (lookup_subsumption_result, save_subsumption_result): New.
1715 (init_constraint_processing): Initialize memo tables.
1716 (get_constraints): Shortcut if !flag_concepts.
1717 * decl.c (grokfndecl): Normalize constraints.
1718 * error.c (dump_simple_decl): Print "concept" when appropriate.
1719 (dump_function_decl): Same.
1720 (dump_template_decl): Don't write requirements when we're not
1721 printing the header.
1722 (dump_expr): Handle fold expressions.
1723 * cxx-pretty-print.c (cxx_pretty_printer::expression): Handle
1725 (get_fold_operator): New.
1726 (pp_cxx_unary_left_fold_expression): New.
1727 (pp_cxx_unary_right_fold_expression): New.
1728 (pp_cxx_binary_fold_expression): New.
1729 (pp_cxx_check_constraint): New.
1730 (pp_cxx_*_constraint): Rewrite the grammar of internal constraints
1731 to make them easier to read when debugging.
1732 * search.c (accessible_p): Don't shortcut when evaluating constraints.
1733 * tree.c (cp_tree_equal): Handle CHECK_CONSTR.
1735 2016-07-20 David Malcolm <dmalcolm@redhat.com>
1739 * name-lookup.c: Include gcc-rich-location.h, spellcheck-tree.h,
1741 (suggest_alternatives_for): If no candidates are found, try
1742 lookup_name_fuzzy and report if if finds a suggestion.
1743 (consider_binding_level): New function.
1744 (lookup_name_fuzzy) New function.
1745 * parser.c: Include gcc-rich-location.h.
1746 (cp_lexer_next_token_is_decl_specifier_keyword): Move most of
1748 (cp_keyword_starts_decl_specifier_p): ...this new function.
1749 (cp_parser_diagnose_invalid_type_name): When issuing
1750 "does not name a type" errors, attempt to make a suggestion using
1752 * parser.h (cp_keyword_starts_decl_specifier_p): New prototype.
1753 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Reject
1754 types that are not CLASS_TYPE_P, rather than rejecting individual
1757 2016-07-20 Jakub Jelinek <jakub@redhat.com>
1760 * parser.c (cp_parser_save_member_function_body): Consume
1761 __transaction_relaxed or __transaction_atomic with optional
1762 attribute. Only skip catch with block if try keyword is seen.
1765 * constexpr.c (cxx_eval_builtin_function_call): Pass false as lval
1766 when evaluating call arguments. Use fold_builtin_call_array instead
1767 of fold_build_call_array_loc, return t if it returns NULL. Otherwise
1768 check the result with potential_constant_expression and call
1769 cxx_eval_constant_expression on it.
1771 2016-07-19 Jason Merrill <jason@redhat.com>
1774 * pt.c (iterative_hash_template_arg, template_args_equal): Don't
1775 handle ARGUMENT_PACK_SELECT.
1777 2016-07-18 Jakub Jelinek <jakub@redhat.com>
1781 * cp-gimplify.c (cp_genericize_r): Revert the 2016-07-07 change.
1782 * tree.c (cp_walk_subtrees): For DECL_EXPR on DECL_ARTIFICIAL
1783 non-static VAR_DECL, walk the decl's DECL_INITIAL, DECL_SIZE and
1787 * call.c (build_op_call_1): Use convert_like_with_context only
1788 if cand->fn is a decl.
1791 * constexpr.c (cxx_eval_constant_expression) <case REALPART_EXPR>:
1792 For lval don't use cxx_eval_unary_expression and instead recurse
1793 and if needed rebuild the reference.
1796 * pt.c (tsubst_baselink): Only set BASELINK_OPTYPE for BASELINK_P.
1799 * cp-gimplify.c (cp_gimplify_expr) <case VEC_INIT_EXPR>: Recursively
1800 fold *expr_p before genericizing it.
1803 * typeck.c (build_x_conditional_expr): Revert the 2012-10-25 change.
1805 2016-07-15 Jason Merrill <jason@redhat.com>
1808 * call.c (convert_like_real): Mask complain.
1809 * semantics.c (perform_koenig_lookup): Likewise.
1812 * constexpr.c (cxx_eval_call_expression): Fail quietly when cgraph
1813 threw away DECL_SAVED_TREE.
1817 * call.c (add_template_conv_candidate): Disable if there are
1821 * typeck2.c (cxx_incomplete_type_diagnostic): Handle DECLTYPE_TYPE.
1824 * pt.c (tsubst_attributes): Fix loop logic.
1828 * parser.c (cp_parser_range_for): Modify IDENTIFIER_BINDING directly.
1829 (cp_parser_simple_declaration): Diagnose type definition in
1830 for-range-declaration.
1833 * operators.def: Add *_FOLD_EXPR.
1834 * cp-tree.h (FOLD_EXPR_P): Parenthesize.
1835 * mangle.c (write_expression): Handle fold-expressions.
1836 * pt.c (tsubst_unary_left_fold, tsubst_binary_left_fold)
1837 (tsubst_unary_right_fold, tsubst_binary_right_fold): Handle
1838 partial instantiation.
1841 * mangle.c (write_expression): Handle sizeof... an argument pack.
1844 * pt.c (push_tinst_level_loc): Set at_eof before fatal_error.
1847 * init.c (constant_value_1): Don't instantiated DECL_INITIAL of
1848 artificial variables.
1850 2016-07-15 Cesar Philippidis <cesar@codesourcery.com>
1852 * parser.c (cp_parser_oacc_declare): Don't scan for
1854 * semantics.c (handle_omp_array_sections): Mark data clauses with
1855 GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
1856 zero-length subarrays.
1858 2016-07-11 Jason Merrill <jason@redhat.com>
1860 * decl.c (store_parm_decls): Remove check for void parm.
1862 2016-07-08 Jason Merrill <jason@redhat.com>
1864 * cp-tree.h: Unpoison lvalue_p.
1865 * call.c, class.c, constexpr.c, cvt.c, init.c, lambda.c, pt.c,
1866 tree.c, typeck.c, typeck2.c: Use lvalue_p instead of
1869 * tree.c (obvalue_p): Rename from lvalue_p.
1870 (lvalue_p): Define for c-common.
1871 * call.c, cp-tree.h, cvt.c, init.c: Adjust.
1873 (cp_build_addr_expr_1): Remove obsolete code.
1875 * tree.c (glvalue_p): Rename from lvalue_or_rvalue_with_address_p.
1876 * call.c, cp-tree.h, typeck.c: Adjust.
1878 * lambda.c (maybe_add_lambda_conv_op): Fix null object argument.
1880 P0145R2: Refining Expression Order for C++.
1881 * cp-gimplify.c (lvalue_has_side_effects): New.
1882 (cp_gimplify_expr): Implement assignment ordering.
1883 * call.c (op_is_ordered, build_over_call): Adjust for
1884 -fargs-in-order renaming to -fstrong-eval-order.
1885 * cp-gimplify.c (cp_gimplify_expr): Likewise.
1887 2016-07-07 Jakub Jelinek <jakub@redhat.com>
1888 Kai Tietz <ktietz70@googlemail.com>
1892 * cp-gimplify.c (cp_genericize_r): For DECL_EXPR for non-static
1893 artificial vars, genericize their initializers.
1895 2016-07-05 David Malcolm <dmalcolm@redhat.com>
1898 * parser.c (cp_parser_class_specifier_1): When reporting
1899 missing semicolons, use a fixit-hint to suggest insertion
1900 of a semicolon immediately after the closing brace,
1901 offsetting the reported column accordingly.
1903 2016-07-04 Jan Beulich <jbeulich@suse.com>
1905 * lang-specs.h ("@c++-header"): Conditionalize "-o".
1907 2016-06-29 Thomas Schwinge <thomas@codesourcery.com>
1909 * parser.c (cp_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
1910 Move pragma context checking into...
1911 (cp_parser_omp_cancellation_point): ... here, and improve
1912 diagnostic messages.
1913 * semantics.c (finish_omp_cancel, finish_omp_cancellation_point):
1914 Improve diagnostic messages.
1916 2016-06-28 Jakub Jelinek <jakub@redhat.com>
1918 * Make-lang.in: Don't cat ../stage_current if it does not exist.
1920 2016-06-24 Jason Merrill <jason@redhat.com>
1922 P0145R2: Refining Expression Order for C++.
1923 * typeck.c (cp_build_modify_expr): Leave COMPOUND_EXPR on LHS.
1925 * tree.c (get_target_expr_sfinae): Handle bit-fields.
1926 (build_target_expr): Call mark_rvalue_use.
1928 2016-06-24 Jakub Jelinek <jakub@redhat.com>
1930 * call.c (magic_varargs_p): Return 3 for __builtin_*_overflow_p.
1931 (build_over_call): For magic == 3, do no conversion only on 3rd
1934 2016-06-23 Andi Kleen <ak@linux.intel.com>
1936 * Make-lang.in: Add support for autofdo.
1938 2016-06-21 Jason Merrill <jason@redhat.com>
1940 * constraint.cc (constraints_satisfied_p): Keep as many levels of
1941 args as our template has levels of parms.
1943 * pt.c (template_parm_outer_level, uses_outer_template_parms): New.
1944 (type_dependent_expression_p): Use uses_outer_template_parms.
1946 2016-06-20 David Malcolm <dmalcolm@redhat.com>
1948 * parser.c (cp_parser_string_literal): Convert non-standard
1949 concatenation error to directly use a rich_location, and
1950 use that to add the location of the first literal to the
1953 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1955 * decl.c (validate_constexpr_redeclaration): Change pair of errors
1957 * error.c (dump_function_decl): Save the constexpr specifier too.
1959 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1961 * tree.c (builtin_valid_in_constant_expr_p): Test for
1962 DECL_BUILT_IN_CLASS equal to BUILT_IN_NORMAL instead of just
1964 (bot_manip): Likewise.
1965 * call.c (magic_varargs_p): Likewise.
1967 2016-06-17 Paolo Carlini <paolo.carlini@oracle.com>
1969 * decl.c (grokfndecl): Change pair of errors to error + inform.
1971 2016-06-17 Jason Merrill <jason@redhat.com>
1974 * typeck.c (finish_class_member_access_expr): Avoid "not a base"
1975 warning when there are dependent bases.
1977 2016-06-17 Jakub Jelinek <jakub@redhat.com>
1979 * semantics.c (handle_omp_array_sections_1): Don't ICE when
1980 processing_template_decl when checking for bitfields and unions.
1981 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1982 (finish_omp_clauses): Look through REFERENCE_REF_P even for
1983 array sections with COMPONENT_REF bases.
1985 2016-06-16 Jakub Jelinek <jakub@redhat.com>
1987 * parser.c (cp_parser_omp_var_list_no_open): Call
1988 convert_from_reference before cp_parser_postfix_dot_deref_expression.
1989 * semantics.c (finish_omp_clauses): Don't ICE when
1990 processing_template_decl when checking for bitfields and unions.
1991 Look through REFERENCE_REF_P as base of COMPONENT_REF.
1993 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
1995 * decl.c (wrapup_globals_for_namespace): Use DECL_SOURCE_LOCATION and
1996 "%qF" in warning_at instead of "%q+F" in warning.
1997 (check_redeclaration_exception_specification): Likewise in pedwarn
1998 (and error, inform, for consistency).
1999 * call.c (joust): Likewise.
2001 2016-06-15 Paolo Carlini <paolo.carlini@oracle.com>
2004 * decl.c (xref_basetypes): Revert r117839 changes; add fix-up
2005 code at the end of the for loop; also revert r159637 changes,
2006 add back the gcc_assert.
2007 * cp-tree.h (xref_basetypes): Adjust declaration.
2008 * parser.c (cp_parser_class_head): Adjust xref_basetypes call.
2010 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2012 * search.c: Include spellcheck-tree.h rather than spellcheck.h.
2014 2016-06-14 David Malcolm <dmalcolm@redhat.com>
2016 * typeck.c: Include "gcc-rich-location.h".
2017 (finish_class_member_access_expr): Simplify fixit code by
2018 using gcc_rich_location::add_fixit_misspelled_id.
2020 2016-06-14 Jason Merrill <jason@redhat.com>
2022 P0145R2: Refining Expression Order for C++.
2023 * cp-tree.h (CALL_EXPR_OPERATOR_SYNTAX, CALL_EXPR_ORDERED_ARGS)
2024 (CALL_EXPR_REVERSE_ARGS): New.
2025 * call.c (build_new_op_1): Set them.
2026 (extract_call_expr, op_is_ordered): New.
2027 (build_over_call): Set CALL_EXPR_ORDERED_ARGS.
2028 * cp-gimplify.c (cp_gimplify_expr) [CALL_EXPR]: Handle new flags.
2029 * pt.c (tsubst_copy_and_build): Copy new flags.
2030 * semantics.c (simplify_aggr_init_expr): Likewise.
2031 * tree.c (build_aggr_init_expr): Likewise.
2032 (build_min_non_dep_op_overload): Likewise.
2034 2016-06-14 Jakub Jelinek <jakub@redhat.com>
2037 * decl.c (duplicate_decls): For DECL_INITIALIZED_P non-external
2038 olddecl vars, preserve their TREE_READONLY bit.
2041 * decl.c (complete_vars): Handle gracefully type == error_mark_node.
2043 2016-06-14 Paolo Carlini <paolo.carlini@oracle.com>
2045 * typeck2.c (digest_init_r): Use EXPR_LOC_OR_LOC on init.
2047 2016-06-13 Paolo Carlini <paolo.carlini@oracle.com>
2049 * decl.c (grokdeclarator): Fix typo in pedwarn text.
2051 2016-06-10 Thomas Schwinge <thomas@codesourcery.com>
2054 * parser.c (cp_parser_omp_var_list_no_open) <OMP_CLAUSE__CACHE_>:
2057 2016-06-09 Paolo Carlini <paolo.carlini@oracle.com>
2061 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2064 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2065 emits an error do not zero the type.
2067 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2069 * decl.c (maybe_deduce_size_from_array_init): Use
2070 DECL_SOURCE_LOCATION in error_at.
2071 (layout_var_decl): Likewise.
2072 (check_array_initializer): Likewise.
2073 (check_initializer): Likewise.
2074 (duplicate_decls, check_elaborated_type_specifier): Tidy.
2076 2016-06-08 Martin Sebor <msebor@redhat.com>
2077 Jakub Jelinek <jakub@redhat.com>
2081 * constexpr.c: Include gimple-fold.h.
2082 (cxx_eval_internal_function): New function.
2083 (cxx_eval_call_expression): Call it.
2084 (potential_constant_expression_1): Handle integer arithmetic
2086 * tree.c (builtin_valid_in_constant_expr_p): Handle
2087 BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.
2089 2016-06-08 Paolo Carlini <paolo.carlini@oracle.com>
2091 * pt.c (tsubst, case TYPENAME_TYPE): Don't delay checking the
2092 return value of tsubst_aggr_type for error_mark_node.
2094 2016-06-08 Jakub Jelinek <jakub@redhat.com>
2097 * pt.c (tsubst_copy): Only set TREE_USED on DECLs.
2099 2016-06-06 Jakub Jelinek <jakub@redhat.com>
2100 Patrick Palka <ppalka@gcc.gnu.org>
2105 * cp-gimplify.c (cp_fold_r): Set *walk_subtrees = 0 and return NULL
2106 right after cp_fold call if cp_fold has returned the same stmt
2107 already in some earlier cp_fold_r call.
2108 (cp_fold_function): Add pset automatic variable, pass its address
2111 2016-06-04 Paolo Carlini <paolo.carlini@oracle.com>
2114 * parser.c (cp_parser_class_head): When xref_basetypes fails and
2115 emits an error do not zero the type.
2117 2016-06-03 Patrick Palka <ppalka@gcc.gnu.org>
2120 * decl.c (duplicate_decls): Properly copy the
2121 DECL_PENDING_INLINE_P, DECL_PENDING_INLINE_INFO and
2122 DECL_SAVED_FUNCTION_DATA fields from OLDDECL to NEWDECL.
2124 2016-06-03 Chung-Lin Tang <cltang@codesourcery.com>
2126 * semantics.c (finish_omp_clauses): Mark OpenACC reduction
2127 arguments as addressable when async clause exists.
2129 2016-06-02 Jan Hubicka <jh@suse.cz>
2131 * cp-gimplify.c (genericize_continue_stmt): Force addition of
2134 2016-06-02 Paolo Carlini <paolo.carlini@oracle.com>
2136 * decl.c (xref_tag_1): Change pairs of errors to error + inform.
2137 (start_enum): Likewise.
2138 * parser.c (cp_parser_class_head): Likewise.
2140 2016-06-02 Jakub Jelinek <jakub@redhat.com>
2143 * cp-gimplify.c (cp_fold): For INDIRECT_REF, if the folded expression
2144 is INDIRECT_REF or MEM_REF, copy over TREE_READONLY, TREE_SIDE_EFFECTS
2145 and TREE_THIS_VOLATILE flags. For ARRAY_REF and ARRAY_RANGE_REF, copy
2146 over TREE_READONLY, TREE_SIDE_EFFECTS and TREE_THIS_VOLATILE flags
2147 to the newly built tree.
2149 2016-05-31 Jason Merrill <jason@redhat.com>
2151 * pt.c (instantiate_decl): Avoid recalculation.
2156 * pt.c (instantiate_template_1): Don't put the partial
2157 specialization in DECL_TI_TEMPLATE.
2158 (partial_specialization_p, impartial_args): Remove.
2159 (regenerate_decl_from_template): Add args parm.
2160 (instantiate_decl): Look up the partial specialization again.
2163 * pt.c (check_explicit_specialization): Give better diagnostic about
2164 specializing a hidden friend.
2166 2016-05-31 Paolo Carlini <paolo.carlini@oracle.com>
2169 * decl.c (check_static_variable_definition): Use DECL_SOURCE_LOCATION
2170 to obtain correct locations; avoid redundant diagnostics on
2171 out-of-class definitions.
2173 2016-05-30 Martin Sebor <msebor@redhat.com>
2176 * init.c (warn_placement_new_too_small): Handle placement new arguments
2177 that are elements of arrays more carefully. Remove a pointless loop.
2179 2016-05-30 Jakub Jelinek <jakub@redhat.com>
2182 * parser.c (cp_parser_omp_for): Don't disallow nowait clause
2183 when combined with target construct.
2184 (cp_parser_omp_parallel): Pass cclauses == NULL as last argument
2185 to cp_parser_omp_all_clauses.
2187 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2190 * lex.c (unqualified_name_lookup_error): Take a location too.
2191 (unqualified_fn_lookup_error): Take a cp_expr.
2192 * cp-tree.h (unqualified_name_lookup_error,
2193 unqualified_fn_lookup_error): Adjust declarations.
2194 * semantics.c (perform_koenig_lookup): Adjust
2195 unqualified_fn_lookup_error call, pass the location of
2196 the identifier too as part of a cp_expr.
2198 2016-05-30 Paolo Carlini <paolo.carlini@oracle.com>
2201 * parser.c (cp_parser_function_specifier_opt): Use current_class_type
2202 to improve the diagnostic about wrong uses of 'virtual'.
2204 2016-05-29 Paolo Carlini <paolo.carlini@oracle.com>
2207 * lambda.c (maybe_add_lambda_conv_op): Early return also when
2208 LAMBDA_EXPR_DEFAULT_CAPTURE_MODE != CPLD_NONE.
2210 2016-05-28 Ville Voutilainen <ville.voutilainen@gmail.com>
2214 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2215 decls into the global scope after stripping template bits
2216 and setting DECL_ANTICIPATED.
2218 2016-05-27 Paolo Carlini <paolo.carlini@oracle.com>
2221 * name-lookup.c (push_namespace): Return bool, false when pushdecl
2223 * name-lookup.h (push_namespace): Adjust declaration.
2224 * parser.c (cp_parser_namespace_definition): Check push_namespace
2227 2016-05-27 Ville Voutilainen <ville.voutilainen@gmail.com>
2230 * name-lookup.c (pushdecl_maybe_friend_1): Push local function
2231 decls into the global scope after stripping template bits
2232 and setting DECL_ANTICIPATED.
2234 2016-05-26 Jakub Jelinek <jakub@redhat.com>
2236 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_SCHEDULE>: Warn
2237 if OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.
2239 2016-05-26 Patrick Palka <ppalka@gcc.gnu.org>
2243 * cp-tree.h (REF_PARENTHESIZED_P): Make this flag apply to
2245 * pt.c (tsubst_qualified_id): If REF_PARENTHESIZED_P is set
2246 on the qualified_id then propagate it to the resulting
2248 (do_auto_deduction): Check REF_PARENTHESIZED_P on SCOPE_REFs
2250 * semantics.c (force_paren_expr): If given a SCOPE_REF, just set
2251 its REF_PARENTHESIZED_P flag.
2253 2016-05-25 Jason Merrill <jason@redhat.com>
2257 * cp-tree.h (enum tag_types): Add scope_type.
2258 * parser.c (cp_parser_class_name): Use scope_type.
2259 (prefer_type_arg): Handle scope_type.
2260 (cp_parser_lookup_name): Use prefer_type_arg.
2261 * name-lookup.c (lookup_qualified_name): Change bool is_type_p to
2262 int prefer_type, use lookup_flags.
2263 * name-lookup.h: Adjust.
2265 2016-05-24 Cesar Philippidis <cesar@codesourcery.com>
2267 * parser.c (cp_parser_oacc_declare): Add support for
2268 GOMP_MAP_FIRSTPRIVATE_POINTER.
2269 * semantics.c (handle_omp_array_sections_1): Replace bool is_omp
2270 argument with enum c_omp_region_type ort. Don't privatize OpenACC
2272 (handle_omp_array_sections): Replace bool is_omp argument with enum
2273 c_omp_region_type ort. Update call to handle_omp_array_sections_1.
2274 (finish_omp_clauses): Add specific errors and warning messages for
2275 OpenACC. Use firsrtprivate pointers for OpenACC subarrays. Update
2276 call to handle_omp_array_sections.
2278 2016-05-24 Jason Merrill <jason@redhat.com>
2281 * cp-gimplify.c (cp_fold_maybe_rvalue): Loop in case cp_fold
2283 (cp_fold) [INDIRECT_REF]: Don't fold to an rvalue.
2285 2016-05-24 Martin Sebor <msebor@redhat.com>
2288 * decl.c (layout_var_decl, grokdeclarator): Use complete_or_array_type_p.
2289 * pt.c (instantiate_class_template_1): Try to complete the element
2290 type of a flexible array member.
2291 (can_complete_type_without_circularity): Handle arrays of unknown bound.
2292 * typeck.c (complete_type): Also complete the type of the elements of
2293 arrays with an unspecified bound.
2295 2016-05-24 Paolo Carlini <paolo.carlini@oracle.com>
2298 * typeck2.c (check_narrowing): Check pedwarn return value.
2300 2016-05-24 Jakub Jelinek <jakub@redhat.com>
2303 * semantics.c (finish_omp_clauses) <case OMP_CLAUSE_LINEAR>:
2304 For OMP_CLAUSE_LINEAR_REF don't require type to be
2305 integral or pointer.
2307 2016-05-24 Richard Biener <rguenther@suse.de>
2311 * expr.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.
2312 * constexpr.c (cxx_eval_array_reference): Handle indexed
2314 * typeck.c (cp_build_array_ref): Adjust.
2316 2016-05-23 Jason Merrill <jason@redhat.com>
2319 * constexpr.c (cxx_eval_call_expression): Check for
2320 fun == current_function_decl again.
2323 * cp-gimplify.c (cp_fold) [INDIRECT_REF]: Call
2324 maybe_undo_parenthesized_ref.
2327 * pt.c (tsubst_copy): Just return a local variable from
2328 non-template context. Don't call rest_of_decl_compilation for
2329 duplicated static locals.
2330 (tsubst_decl): Set DECL_CONTEXT of local static from another
2333 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2336 * method.c (forward_parm): Use cp_build_reference_type.
2338 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2341 * parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
2343 2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
2345 * pt.c (check_for_bare_parameter_packs): Improve error message
2346 location for expressions.
2348 2016-05-20 Nathan Sidwell <nathan@acm.org>
2350 * constexpr.c (cxx_bind_parameters_in_call): Avoid gratuitous if
2352 (cxx_eval_call_expression): Fix comment grammar.
2354 2016-05-20 Paolo Carlini <paolo.carlini@oracle.com>
2357 * decl.c (cp_finish_decl): Check do_auto_deduction return value
2358 and return immediately in case of erroneous code.
2360 2016-05-19 Marek Polacek <polacek@redhat.com>
2363 * pt.c (unify_template_argument_mismatch): Use %qE instead of %qD.
2365 2016-05-19 Jason Merrill <jason@redhat.com>
2368 * pt.c (fn_type_unification): Add outer template args if needed.
2369 (type_unification_real): Handle getting full args.
2371 2016-05-19 David Malcolm <dmalcolm@redhat.com>
2374 * parser.c (cp_parser_operator): For array new/delete, check that
2375 cp_parser_require returned a non-NULL token before dereferencing
2378 2016-05-19 Bernd Edlinger <bernd.edlinger@hotmail.de>
2380 * decl.c (finish_enum_value_list): Use the specified mode.
2382 2016-05-18 Jason Merrill <jason@redhat.com>
2384 * pt.c (value_dependent_expression_p): Tweak new cases to better
2385 match the wording in the standard.
2387 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2390 * parser.c (cp_parser_template_id): Don't call cp_lexer_peek_nth_token
2391 when the previous cp_lexer_peek_token returns CPP_EOF.
2393 2016-05-18 Paolo Carlini <paolo.carlini@oracle.com>
2396 * call.c (convert_like_real): Check that we are actually converting
2399 2016-05-16 Matthew Wahab <matthew.wahab@arm.com>
2401 * decl.c (grokdeclarator): Remove errmsg and use of
2402 targetm.invalid_return_type.
2403 (grokparms): Remove errmsg and use of
2404 targetm.invalid_parameter_type.
2406 2016-05-13 Jason Merrill <jason@redhat.com>
2410 * pt.c (tsubst_decl): Use uses_template_parms.
2411 (instantiate_template_1): Handle non-dependent calls in templates.
2412 (value_dependent_expression_p): Handle BASELINK, FUNCTION_DECL.
2413 (type_dependent_expression_p): Only consider innermost template args.
2414 (dependent_template_arg_p): Check enclosing class of a template here.
2415 (dependent_template_p): Not here.
2416 (type_dependent_object_expression_p): New.
2417 * typeck.c (finish_class_member_access_expr): Use it.
2418 * parser.c (cp_parser_postfix_expression): Use it.
2419 (cp_parser_postfix_dot_deref_expression): Use it. Use comptypes
2420 to detect the current instantiation.
2421 (cp_parser_lookup_name): Really implement DR 141.
2422 * search.c (lookup_field_r): Prefer a dependent using-declaration.
2423 (any_dependent_bases_p): Split out from...
2424 * name-lookup.c (do_class_using_decl): ...here.
2425 * call.c (build_new_method_call_1): Use it.
2426 * semantics.c (finish_call_expr): 'this' doesn't make a call dependent.
2427 * tree.c (non_static_member_function_p): Remove.
2428 * typeck2.c (build_x_arrow): Use dependent_scope_p.
2430 * parser.c (cp_parser_postfix_dot_deref_expression): Use
2431 complete_type_or_else for unknown_type_node, too.
2433 2016-05-12 Marek Polacek <polacek@redhat.com>
2436 * call.c (build_new_op_1): Pass LOC to cp_build_modify_expr.
2437 * cp-tree.h (cp_build_modify_expr): Update declaration.
2438 (cxx_incomplete_type_error, cxx_incomplete_type_diagnostic): New inline
2440 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Pass INPUT_LOCATION to
2441 cp_build_modify_expr.
2442 * decl2.c (set_guard): Likewise.
2443 (handle_tls_init): Likewise.
2444 * init.c (perform_member_init): Likewise.
2445 (expand_virtual_init): Likewise.
2446 (build_new_1): Likewise.
2447 (build_vec_delete_1): Likewise.
2448 (get_temp_regvar): Likewise.
2449 (build_vec_init): Likewise.
2450 * method.c (do_build_copy_assign): Likewise.
2451 (assignable_expr): Likewise.
2452 * semantics.c (finish_omp_for): Likewise.
2453 * typeck.c (cp_build_binary_op): Pass LOCATION to pointer_diff and
2455 (cp_pointer_int_sum): Add location parameter. Pass it down to
2457 (pointer_diff): Add location parameter. Use it.
2458 (build_modify_expr): Pass location down to cp_build_modify_expr.
2459 (cp_build_modify_expr): Add location parameter. Use it.
2460 (build_x_modify_expr): Pass location down to cp_build_modify_expr.
2461 * typeck2.c (cxx_incomplete_type_diagnostic,
2462 cxx_incomplete_type_error): Add location parameter.
2464 2016-05-11 Marek Polacek <polacek@redhat.com>
2467 * decl.c (duplicate_decls): Call diagnose_mismatched_decls.
2469 2016-05-05 Jakub Jelinek <jakub@redhat.com>
2471 * parser.c (cp_parser_selection_statement): For RID_SWITCH,
2472 pass if_p instead of NULL to cp_parser_implicitly_scoped_statement.
2474 2016-05-04 Marek Polacek <polacek@redhat.com>
2476 * parser.c (cp_parser_selection_statement): Replace OPT_Wparentheses
2477 with OPT_Wdangling_else.
2479 2016-05-03 Martin Sebor <msebor@redhat.com>
2482 * tree.c (builtin_valid_in_constant_expr_p): Treat BUILT_IN_FILE,
2483 BUILT_IN_FUNCTION, and BUILT_IN_LINE as constant expressions.
2485 2016-05-03 Marek Polacek <polacek@redhat.com>
2488 * call.c (build_cxx_call): Pass location and vNULL down to
2489 check_builtin_function_arguments.
2491 2016-05-03 Richard Biener <rguenther@suse.de>
2493 * Make-lang.in (cc1plus-checksum.c): For stage-final re-use
2494 the checksum from the previous stage.
2496 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2499 * typeck.c (finish_class_member_access_expr): When
2500 giving a hint about a possibly-misspelled member name,
2501 add a fix-it replacement hint.
2503 2016-05-02 Cesar Philippidis <cesar@codesourcery.com>
2505 * cp-tree.h (finish_omp_clauses): Update prototype.
2506 * parser.c (cp_parser_oacc_all_clauses): Update call to
2508 (cp_parser_omp_all_clauses): Likewise.
2509 (cp_parser_omp_for_loop): Likewise.
2510 (cp_omp_split_clauses): Likewise.
2511 (cp_parser_oacc_cache): Likewise.
2512 (cp_parser_oacc_loop): Likewise.
2513 (cp_parser_omp_declare_target):
2514 (cp_parser_cilk_simd_all_clauses): Likewise.
2515 (cp_parser_cilk_for): Likewise.
2516 * pt.c (tsubst_omp_clauses): Replace allow_fields and declare_simd
2517 arguments with enum c_omp_region_type ort.
2518 (tsubst_omp_clauses): Update calls to finish_omp_clauses.
2519 (tsubst_omp_attribute): Update calls to tsubst_omp_clauses.
2520 (tsubst_omp_for_iterator): Update calls to finish_omp_clauses.
2521 (tsubst_expr): Update calls to tsubst_omp_clauses.
2522 * semantics.c (finish_omp_clauses): Replace bool arguments
2523 allow_fields, declare_simd, and is_cilk with bitmask ort.
2524 (finish_omp_for): Update call to finish_omp_clauses.
2526 2016-05-02 David Malcolm <dmalcolm@redhat.com>
2529 * parser.c (cp_parser_class_head): Capture the start location;
2530 use it to emit a fix-it insertion hint when complaining
2531 about missing "template <> " in explicit specializations.
2533 2016-05-02 Richard Sandiford <richard.sandiford@arm.com>
2535 * init.c (build_new_1): Use shift operators instead of wi:: shifts.
2537 2016-05-02 Richard Biener <rguenther@suse.de>
2539 * decl.c (grokdeclarator): Properly insert a DECL_EXPR for
2542 2016-04-29 Paolo Carlini <paolo.carlini@oracle.com>
2545 * class.c (check_field_decl): Remove final int* parameter, change
2546 the return type to bool; fix logic in order not to reject multiple
2547 initialized fields in anonymous struct.
2548 (check_field_decls): Adjust call.
2550 2016-04-29 Cesar Philippidis <cesar@codesourcery.com>
2553 * parser.c (cp_parser_oacc_loop): Don't augment mask with
2554 OACC_LOOP_CLAUSE_MASK.
2555 (cp_parser_oacc_kernels_parallel): Update call to
2556 c_oacc_split_loop_clauses.
2558 2016-04-28 Jason Merrill <jason@redhat.com>
2560 Implement C++17 [[nodiscard]] attribute.
2563 * parser.c (cp_parser_std_attribute): Handle [[nodiscard]].
2564 * tree.c (handle_nodiscard_attribute): New.
2565 (cxx_attribute_table): Add [[nodiscard]].
2566 * cvt.c (cp_get_fndecl_from_callee, cp_get_callee_fndecl): New.
2567 (maybe_warn_nodiscard): New.
2568 (convert_to_void): Call it.
2570 * cvt.c (cp_get_callee): New.
2571 * constexpr.c (get_function_named_in_call): Use it.
2572 * cxx-pretty-print.c (postfix_expression): Use it.
2573 * except.c (check_noexcept_r): Use it.
2574 * method.c (check_nontriv): Use it.
2575 * tree.c (build_aggr_init_expr): Use it.
2576 * cp-tree.h: Declare it.
2578 2015-04-27 Ryan Burn <contact@rnburn.com>
2579 Jeff Law <law@redhat.com>
2583 * cp-gimplify.c (cp_gimplify_expr): Call cilk_cp_detect_spawn_and_unwrap
2584 instead of cilk_detect_spawn_and_unwrap.
2585 * cp-cilkplus.c (is_conversion_operator_function_decl_p): New.
2587 (cilk_cp_detect_spawn_and_unwrap): New.
2588 * lambda.c: Include cp-cilkplus.h.
2589 * parser.c: Include cp-cilkplus.h.
2590 * cp-tree.h (cpp_validate_cilk_plus_loop): Move prototype into...
2591 * cp-cilkpus.h: New file.
2593 2016-04-27 Nathan Sidwell <nathan@acm.org>
2595 * constexpr.c (get_fundef_copy): Use the original function for
2596 non-recursive evaluations.
2597 (save_fundef_copy): Always expect a slot to be available.
2599 2016-04-27 Bernd Schmidt <bschmidt@redhat.com>
2601 * parser.c (cp_parser_postfix_expression): Call
2602 warn_for_memset instead of warning directly here.
2604 2016-04-26 Patrick Palka <ppalka@gcc.gnu.org>
2607 * decl.c (build_enumerator): Set current_access_specifier when
2608 declaring an enumerator belonging to an in-class enumeration.
2609 * parser.c (cp_parser_check_access_in_redecleration): Also
2610 consider in-class enumerations.
2612 2016-04-26 Marek Polacek <polacek@redhat.com>
2615 * call.c (build_conditional_expr_1): Call cp_stabilize_reference
2616 instead of stabilize_reference.
2617 (build_over_call): Likewise.
2618 * cp-tree.h (cp_stabilize_reference): Declare.
2619 * tree.c (cp_stabilize_reference): New function.
2620 * typeck.c (cp_build_unary_op): Call cp_stabilize_reference instead of
2621 stabilize_reference.
2622 (unary_complex_lvalue): Likewise.
2623 (cp_build_modify_expr): Likewise.
2625 2016-04-26 Jakub Jelinek <jakub@redhat.com>
2628 * pt.c (build_non_dependent_expr): Use flag_checking > 1 instead of
2631 2016-04-25 Jason Merrill <jason@redhat.com>
2633 * tree.c (std_attribute_table): New.
2634 (init_tree): Register it.
2636 2016-04-22 Jason Merrill <jason@redhat.com>
2638 * parser.c (cp_parser_perform_range_for_lookup): Decay the array.
2640 2016-04-21 Patrick Palka <ppalka@gcc.gnu.org>
2642 * name-lookup.c (free_saved_scope): New free list of saved_scope
2644 (push_to_top_level): Attempt to reuse a saved_scope struct
2645 from free_saved_scope instead of allocating a new one each time.
2646 (pop_from_top_level_1): Chain the now-unused saved_scope structure
2647 onto free_saved_scope.
2649 2016-04-21 Paolo Carlini <paolo.carlini@oracle.com>
2652 * semantics.c (process_outer_var_ref): Unconditionally return
2653 error_mark_node when mark_used returns false.
2655 2016-04-21 Marek Polacek <polacek@redhat.com>
2658 * parser.c (cp_parser_enum_specifier): Check and possibly error for
2659 extra qualification.
2661 2016-04-20 Nathan Sidwell <nathan@acm.org>
2664 * init.c (build_vec_delete_1): Protect operator delete call in try
2666 (build_delete): Likewise.
2667 * optimize.c (build_delete_destructor_body): Likewise.
2669 2016-04-20 Ilya Verbin <ilya.verbin@intel.com>
2672 * cp-tree.h (finish_omp_clauses): Add new default argument.
2673 * parser.c (cp_parser_cilk_simd_all_clauses): Use finish_omp_clauses
2674 instead of c_finish_cilk_clauses.
2675 * semantics.c (finish_omp_clauses): Add new argument. Allow
2676 floating-point variables in the linear clause for Cilk Plus.
2678 2016-04-20 Nathan Sidwell <nathan@acm.org>
2680 * semantics.c (finish_compound_lteral): Don't wrap VECTOR_TYPEs in a
2683 2016-04-19 Jason Merrill <jason@redhat.com>
2686 * expr.c (mark_exp_read): Handle NON_DEPENDENT_EXPR.
2687 * pt.c (make_pack_expansion): Call mark_exp_read.
2688 * semantics.c (finish_id_expression): Call mark_type_use in
2689 unevaluated context.
2692 * call.c (implicit_conversion): If we choose a copy constructor
2693 for list-initialization from the same type, the conversion is an
2696 * constexpr.c (breaks): Handle EXIT_EXPR.
2697 (cxx_eval_loop_expr): Handle COMPOUND_EXPR body.
2698 (cxx_eval_constant_expression): Handle EXIT_EXPR, improve handling
2703 * constexpr.c (potential_constant_expression_1): Handle LOOP_EXPR
2706 * pt.c (tsubst_expr): Remove shadowing declaration.
2707 (tsubst_pack_expansion): Add assert.
2709 * semantics.c (add_decl_expr): Use DECL_SOURCE_LOCATION.
2712 * name-lookup.c (qualified_lookup_using_namespace): Look through
2715 2016-04-18 Michael Matz <matz@suse.de>
2717 * class.c (build_vtable): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
2718 (layout_class_type): Ditto.
2719 (build_base_field): Use SET_DECL_ALIGN.
2720 (fixup_attribute_variants): Use SET_TYPE_ALIGN.
2721 * decl.c (duplicate_decls): Use SET_DECL_ALIGN.
2722 (record_unknown_type): Use SET_TYPE_ALIGN.
2723 (cxx_init_decl_processing): Ditto.
2724 (copy_type_enum): Ditto.
2725 (grokfndecl): Use SET_DECL_ALIGN.
2726 (copy_type_enum): Use SET_TYPE_ALIGN.
2727 * pt.c (instantiate_class_template_1): Use SET_TYPE_ALIGN.
2729 * tree.c (cp_build_qualified_type_real): Use SET_TYPE_ALIGN.
2730 * lambda.c (maybe_add_lambda_conv_op): Use SET_DECL_ALIGN.
2731 * method.c (implicitly_declare_fn): Use SET_DECL_ALIGN.
2732 * rtti.c (emit_tinfo_decl): Ditto.
2734 2016-04-18 Jason Merrill <jason@redhat.com>
2738 * class.c (type_maybe_constexpr_default_constructor): New.
2739 (type_has_constexpr_default_constructor): Revert.
2741 2016-04-16 Sandra Loosemore <sandra@codesourcery.com>
2745 * tree.c (cxx_attribute_table): Remove "com_interface" entry.
2746 (handle_com_interface_attribute): Delete.
2748 2016-04-15 Jason Merrill <jason@redhat.com>
2751 * constexpr.c (get_fundef_copy): Handle null *slot.
2754 * pt.c (tsubst_baselink): Give the new TEMPLATE_ID_EXPR
2755 unknown_type_node, too.
2757 2016-04-15 Jason Merrill <jason@redhat.com>
2758 Nathan Sidwell <nathan@acm.org>
2761 * constexpr.c (constexpr_call_table): Preserve in GC.
2762 (struct fundef_copy, struct fundef_copies_table_t): Delete.
2763 (fundef_copies_table): Preserve in GC. Change to pointer to
2765 (maybe_initialize_fundef_copies_table): Adjust.
2766 (get_fundef_copy): Return a TREE_LIST. Use non-inserting search.
2767 (save_fundef_copy): Adjust for a TREE_LIST.
2768 (cxx_eval_call_expression): Adjust for a fundef_copy TREE_LIST.
2769 (fini_constexpr): New.
2770 * cp-tree.h (fini_constexpr): Declare.
2771 * decl2.c (c_parse_final_cleanups): Call fini_constexpr.
2773 2016-04-15 Jakub Jelinek <jakub@redhat.com>
2776 * parser.c (cp_parser_pragma): Add IF_P argument, pass it down
2778 (cp_parser_declaration_seq_opt, cp_parser_member_specification_opt,
2779 cp_parser_objc_interstitial_code, cp_parser_omp_declare_simd,
2780 cp_parser_oacc_routine): Adjust cp_parser_pragma callers.
2781 (cp_parser_statement): Likewise. Adjust cp_parser_cilk_for caller.
2782 (cp_parser_omp_structured_block): Add IF_P argument, pass it down to
2783 cp_parser_statement.
2784 (cp_parser_oacc_data, cp_parser_oacc_host_data, cp_parser_oacc_loop,
2785 cp_parser_oacc_kernels_parallel, cp_parser_omp_critical,
2786 cp_parser_omp_simd, cp_parser_omp_for, cp_parser_omp_master,
2787 cp_parser_omp_ordered, cp_parser_omp_parallel, cp_parser_omp_single,
2788 cp_parser_omp_task, cp_parser_omp_taskgroup, cp_parser_omp_distribute,
2789 cp_parser_omp_teams, cp_parser_omp_target_data, cp_parser_omp_target,
2790 cp_parser_omp_taskloop, cp_parser_omp_construct,
2791 cp_parser_cilk_grainsize, cp_parser_cilk_simd, cp_parser_cilk_for):
2792 Add IF_P argument, pass it down where needed.
2793 (cp_parser_omp_for_loop): Likewise. Clear IF_P if nbraces.
2794 (cp_parser_omp_sections_scope): Adjust cp_parser_omp_structured_block
2797 2016-04-14 Jason Merrill <jason@redhat.com>
2800 * decl.c (cxx_maybe_build_cleanup): Handle non-decls.
2801 * typeck2.c (split_nonconstant_init_1): Use it.
2804 * class.c (type_has_constexpr_default_constructor): Return true
2805 for an implicitly declared constructor.
2808 * parser.c (cp_parser_init_declarator): Add auto_result parm.
2809 (cp_parser_simple_declaration): Pass it.
2810 (strip_declarator_types): New.
2813 * pt.c (value_dependent_expression_p) [VAR_DECL]: A type-dependent
2814 initializer also makes the variable value-dependent.
2817 * constexpr.c (cxx_eval_store_expression): Also copy
2818 CONSTRUCTOR_NO_IMPLICIT_ZERO.
2820 2016-04-14 Martin Sebor <msebor@redhat.com>
2825 * cp-tree.h, decl.c, init.c, typeck2.c: Revert.
2827 2016-04-14 Jason Merrill <jason@redhat.com>
2829 * call.c, decl.c, error.c, cp-tree.h, decl.c: Revert empty
2830 parameter ABI change.
2832 2016-04-13 Martin Sebor <msebor@redhat.com>
2837 * cp-tree.h (throw_bad_array_length, build_vla_check): Declare new
2839 * decl.c (check_initializer, cp_finish_decl): Call them.
2840 (reshape_init_r): Reject incompletely braced intializer-lists
2842 * init.c (throw_bad_array_length, build_vla_check)
2843 (build_vla_size_check, build_vla_init_check): Define new functions.
2844 * typeck2.c (split_nonconstant_init_1): Use variably_modified_type_p()
2846 (store_init_value): Same.
2848 2016-04-13 Jason Merrill <jason@redhat.com>
2850 Warn about empty parameter ABI with -Wabi=9.
2851 * call.c (empty_class_msg, mark_for_abi_warning)
2852 (warn_empty_class_abi): New.
2853 (build_call_a): Use them.
2854 * decl.c (store_parm_decls): Use mark_for_abi_warning.
2855 * error.c (pp_format_to_string): New.
2857 Pass empty class parameters like C.
2858 * call.c (pass_as_empty_struct, empty_class_arg): New.
2859 (type_passed_as, build_x_va_arg): Use pass_as_empty_struct.
2860 (build_call_a): Use empty_class_arg.
2861 * cp-tree.h (CPTI_EMPTY_STRUCT, empty_struct_type): New.
2862 * decl.c (cxx_init_decl_processing): Create empty_struct_type.
2864 2016-04-13 Jason Merrill <jason@redhat.com>
2867 * decl.c (start_enum): Don't change an existing ENUM_UNDERLYING_TYPE.
2869 2016-04-13 Paolo Carlini <paolo.carlini@oracle.com>
2872 * pt.c (resolve_typename_type): Fix typos in infinite recursion
2873 avoidance mechanism.
2875 2016-04-13 Jason Merrill <jason@redhat.com>
2878 * pt.c (instantiation_dependent_uneval_expression_p): Split out
2879 from instantiation_dependent_expression_p.
2880 (value_dependent_expression_p): Use it for unevaluated operands.
2881 (instantiation_dependent_r): Don't check value-dependence.
2882 (instantiation_dependent_expression_p): Check
2883 value-dependence of the expression as a whole.
2884 * cp-tree.h: Declare instantiation_dependent_uneval_expression_p.
2885 * semantics.c (finish_decltype_type): Use it.
2887 * constexpr.c (potential_nondependent_constant_expression): New.
2888 (potential_nondependent_static_init_expression): New.
2889 (maybe_constant_value_1, fold_non_dependent_expr)
2890 (maybe_constant_init): Use them.
2891 * pt.c (instantiate_non_dependent_expr_sfinae)
2892 (instantiate_non_dependent_or_null, convert_nontype_argument): Use
2894 * cp-tree.h: Declare them.
2896 2016-04-13 Jakub Jelinek <jakub@redhat.com>
2899 * decl.c (pop_labels_1): Removed.
2900 (note_label, sort_labels): New functions.
2901 (pop_labels): During named_labels traversal, just push the slot
2902 pointers into a vector, then qsort it by DECL_UID and only then
2903 call pop_label and chain it into BLOCK_VARS.
2905 2016-04-13 Jason Merrill <jason@redhat.com>
2908 * cp-gimplify.c (cp_genericize_r): Expand PTRMEM_CST here.
2909 (cp_gimplify_expr): Not here.
2911 2016-04-12 Patrick Palka <ppalka@gcc.gnu.org>
2914 * tree.c (lvalue_kind) [NON_DEPENDENT_EXPR]: Unconditionally
2916 * typeck.c (build_x_conditional_expr): Unconditionally remember
2917 that the result is an lvalue or xvalue.
2919 2016-04-12 Jason Merrill <jason@redhat.com>
2921 * class.c (is_really_empty_class): A zero-length array is empty.
2922 An unnamed bit-field doesn't make a class non-empty.
2924 2016-04-12 Paolo Carlini <paolo.carlini@oracle.com>
2927 * parser.c (cp_parser_cache_defarg): When file ends in default
2928 argument simply return error_mark_node.
2930 2016-04-12 Nathan Sidwell <nathan@acm.org>
2933 * constexpr.c (cxx_eval_bare_aggregate): Handle VECTOR_TYPE
2936 2016-04-11 Jason Merrill <jason@redhat.com>
2938 * mangle.c (decl_is_template_id): The template itself counts as a
2941 2016-04-08 Patrick Palka <ppalka@gcc.gnu.org>
2945 * constexpr.c (cxx_eval_outermost_expression): Call unshare_expr
2946 on the result if it's not a CONSTRUCTOR.
2948 2016-04-07 Patrick Palka <ppalka@gcc.gnu.org>
2951 * constexpr.c (find_constructor): New function.
2952 (unshare_constructor): New function.
2953 (cxx_eval_call_expression): Use unshare_constructor instead of
2955 (find_array_ctor_elt): Likewise.
2956 (cxx_eval_vec_init_1): Likewise.
2957 (cxx_eval_store_expression): Likewise.
2958 (cxx_eval_constant_expression): Likewise.
2960 2016-04-06 Patrick Palka <ppalka@gcc.gnu.org>
2963 * cp-tree.h (FOR_EACH_CLONE): Restructure macro to avoid
2964 potentially generating a future -Wparentheses warning in its
2967 2016-04-06 Jason Merrill <jason@redhat.com>
2969 * class.c (check_abi_tags): Fix function template handling.
2971 2016-04-05 Nathan Sidwell <nathan@acm.org>
2974 * class.c (fixup_may_alias): New.
2975 (fixup_attribute_variants): Call it.
2977 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2980 * constexpr.c (struct fundef_copy): New struct.
2981 (struct fundef_copies_table_t): New struct.
2982 (fundef_copies_table): New static variable.
2983 (maybe_initialize_fundef_copies_table): New static function.
2984 (get_fundef_copy): New static function.
2985 (save_fundef_copy): New static function.
2986 (cxx_eval_call_expression): Use get_fundef_copy, and
2988 (constexpr_call_table): Add "deletable" GTY marker.
2990 2016-04-05 Patrick Palka <ppalka@gcc.gnu.org>
2993 * cp-tree.h (class cache_map): Remove.
2994 * constexpr.c (cv_cache): Change type to
2995 GTY((deletable)) hash_map<tree, tree> *.
2996 (maybe_constant_value): Adjust following the change to cv_cache.
2997 (clear_cv_cache): New static function.
2998 (clear_cv_and_fold_caches): Use it.
2999 * cp-gimplify.c (fold_cache): Change type to
3000 GTY((deletable)) hash_map<tree, tree> *.
3001 (clear_fold_cache): Adjust following the change to fold_cache.
3002 (cp_fold): Likewise.
3004 2016-04-02 Martin Sebor <msebor@redhat.com>
3010 * constexpr.c (diag_array_subscript): New function.
3011 (cxx_eval_array_reference): Detect out of bounds array indices.
3013 2016-04-01 Jason Merrill <jason@redhat.com>
3017 * pt.c (instantiate_decl): A function isn't fully defined if
3018 DECL_INITIAL is error_mark_node.
3019 * constexpr.c (cxx_eval_call_expression): Likewise.
3021 2016-04-01 Jakub Jelinek <jakub@redhat.com>
3022 Marek Polacek <polacek@redhat.com>
3025 * init.c (warn_placement_new_too_small): Test whether
3026 DECL_SIZE_UNIT or TYPE_SIZE_UNIT are integers that fit into uhwi.
3028 2016-04-01 Nathan Sidwell <nathan@acm.org>
3031 * decl.c (check_redeclaration_exception_specification): Check
3032 regardless of -fno-exceptions.
3033 * typeck2.c (merge_exception_specifiers): Relax assert by checking
3034 flag_exceptions too.
3036 2016-03-31 Nathan Sidwell <nathan@acm.org>
3038 * decl.c (start_preparsed_function): Remove unnecessary bracing.
3039 (finish_destructor_body): Don't emit operator delete here.
3041 2016-03-31 Nathan Sidwell <nathan@acm.org>
3044 * constexpr.c (cxx_eval_store_expression): Keep CONSTRUCTOR
3045 elements in field order.
3047 2016-03-31 Marek Polacek <polacek@redhat.com>
3050 * decl.c (duplicate_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.
3052 2016-03-31 Richard Biener <rguenther@suse.de>
3055 * typeck.c (cp_build_binary_op): Fix operand order of vector
3056 conditional in truth op handling.
3058 2016-03-29 Jason Merrill <jason@redhat.com>
3061 * decl.c (make_rtl_for_nonlocal_decl): Don't defer local statics
3062 in constexpr functions.
3064 2016-03-28 Jason Merrill <jason@redhat.com>
3069 * decl.c, pt.c, constexpr.c: Revert last patch.
3071 2016-03-25 Jason Merrill <jason@redhat.com>
3072 Martin Liška <mliska@suse.cz>
3077 * decl.c (cp_fname_init): Decay the initializer to pointer.
3078 (cp_make_fname_decl): Set DECL_DECLARED_CONSTEXPR_P,
3079 DECL_VALUE_EXPR, DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3080 Don't call cp_finish_decl.
3081 * pt.c (tsubst_expr) [DECL_EXPR]: Set DECL_VALUE_EXPR,
3082 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P. Don't call cp_finish_decl.
3083 * constexpr.c (cxx_eval_constant_expression) [VAR_DECL]:
3084 Handle DECL_VALUE_EXPR.
3086 2016-03-24 Jason Merrill <jason@redhat.com>
3089 * constexpr.c (cxx_eval_bare_aggregate): Handle PMFs.
3092 * constexpr.c (cxx_eval_call_expression): Don't cache result if
3095 2016-03-24 Patrick Palka <ppalka@gcc.gnu.org>
3098 * tree.c (build_cplus_array_type): Determine type-dependentess
3099 with uses_template_parms instead of with dependent_type_p.
3101 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3104 * typeck.c (process_init_constructor_union): If the initializer
3105 is empty, use the union's NSDMI if it has one.
3107 2016-03-23 Patrick Palka <ppalka@gcc.gnu.org>
3110 * pt.c (tsubst_copy) [PARM_DECL]: Handle the use of 'this' in an
3111 NSDMI that's part of an aggregrate initialization.
3113 2016-03-23 Jakub Jelinek <jakub@redhat.com>
3116 * constexpr.c (cxx_eval_vec_init_1): Reuse CONSTRUCTOR initializers
3117 for 1..max even for multi-dimensional arrays. Call unshare_expr
3121 * constexpr.c (cxx_eval_constant_expression): Diagnose overflow
3122 on TREE_OVERFLOW constants.
3125 * cp-gimplify.c (genericize_omp_for_stmt): Don't walk OMP_FOR_CLAUSES
3126 for OMP_TASKLOOP here.
3127 (cp_genericize_r): Handle OMP_TASKLOOP like OMP_TASK, except do call
3128 genericize_omp_for_stmt instead of cp_walk_tree on OMP_BODY.
3130 2016-03-23 Alexandre Oliva <aoliva@redhat.com>
3131 Jason Merrill <jason@redhat.com>
3132 Jakub Jelinek <jakub@redhat.com>
3135 * cp-tree.h (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3136 * decl.c (defer_mark_used_calls, deferred_mark_used_calls): Remove.
3137 (finish_function): Don't set or test them.
3138 * decl2.c (mark_used): Don't handle defer_mark_used_calls.
3140 2016-03-23 Jason Merrill <jason@redhat.com>
3143 * constexpr.c (cxx_eval_call_expression): Catch invalid recursion.
3145 2016-03-23 Marek Polacek <polacek@redhat.com>
3148 * pt.c (canonicalize_type_argument): Use OPT_Wignored_attributes.
3150 2016-03-22 Ilya Enkovich <enkovich.gnu@gmail.com>
3152 * call.c (build_conditional_expr_1): Always use original
3153 condition type for vector type checks and build.
3155 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3158 * pt.c (tsubst_decl): Clear the DECL_MODE of the new decl.
3160 2016-03-22 Patrick Palka <ppalka@gcc.gnu.org>
3163 * constexpr.c (non_const_var_error): Check
3164 DECL_INITIALIZED_BY_CONSTANT_EXPRESSION_P.
3166 2016-03-21 Richard Henderson <rth@redhat.com>
3169 * decl.c (notice_forced_label_r): New.
3170 (cp_finish_decl): Use it.
3172 2016-03-21 Jason Merrill <jason@redhat.com>
3175 * cp-gimplify.c (cp_fold) [COND_EXPR]: Handle bit-fields.
3177 2016-03-18 Jason Merrill <jason@redhat.com>
3180 * constexpr.c (cxx_eval_call_expression): Fix trivial copy.
3183 * class.c (vptr_via_virtual_p): New.
3184 (most_primary_binfo): Factor out of build_rtti_vtbl_entries.
3185 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Don't clear
3186 a vptr from any virtual base in a not-in-charge 'structor.
3188 * decl.c (build_clobber_this): Factor out of
3189 start_preparsed_function and begin_destructor_body. Handle
3190 virtual bases better.
3192 * class.c (build_if_in_charge): Split out from build_base_path.
3193 * init.c (expand_virtual_init, expand_default_init): Use it.
3194 * call.c (build_special_member_call): Use it.
3196 2016-03-18 Jakub Jelinek <jakub@redhat.com>
3199 * init.c (build_new_1): Complain and return error_mark_node
3200 if alloc_fn is not _Jv_AllocObject function returning pointer.
3202 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3205 * search.c (adjust_result_of_qualified_name_lookup): Don't
3206 update the BASELINK_BINFO of DECL if the second call
3207 to lookup_base fails.
3209 2016-03-18 Patrick Palka <ppalka@gcc.gnu.org>
3212 * parser.c (cp_parser_lambda_expression): Move call to
3213 pop_deferring_access_checks ahead of the call to
3214 cp_parser_end_tentative_firewall.
3216 2016-03-17 Jakub Jelinek <jakub@redhat.com>
3219 * cp-tree.h (magic_varargs_p): Return int instead of bool.
3220 * call.c (magic_varargs_p): Return int instead of bool, return 2 for
3221 Cilk+ reductions, otherwise 1 for magic varargs and 0 for normal
3223 (build_over_call): If magic_varargs_p == 2, call reject_gcc_builtin,
3224 if magic_varargs_p == 1, call decay_conversion
3225 instead of mark_type_use. Don't store error_mark_node arguments to
3226 argarray, instead return error_mark_node.
3229 * decl.c (begin_destructor_body): Don't insert clobber if
3230 is_empty_class (current_class_type).
3232 2016-03-17 Marek Polacek <polacek@redhat.com>
3235 * typeck.c (warn_for_null_address): New function.
3236 (cp_build_binary_op): Call it.
3238 2016-03-16 Jason Merrill <jason@redhat.com>
3241 * decl.c (start_preparsed_function): Don't clobber an empty base.
3243 2016-03-16 Jakub Jelinek <jakub@redhat.com>
3246 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs): Conditionalize
3247 BINFO_VIRTUAL_P vtable clearing on current_in_charge_parm.
3250 * cp-ubsan.c (cp_ubsan_maybe_initialize_vtbl_ptrs): Temporarily
3251 set in_base_initializer.
3253 2016-03-15 Marek Polacek <polacek@redhat.com>
3256 * tree.c (strip_typedefs): Call strip_typedefs again on the
3257 DECL_ORIGINAL_TYPE result.
3259 2016-03-15 Jason Merrill <jason@redhat.com>
3262 * pt.c (instantiate_decl): Fix call to variable_template_p.
3265 * pt.c (for_each_template_parm_r): Always walk into TYPENAME_TYPE.
3267 2016-03-14 Casey Carter <casey@carter.net>
3268 Jason Merrill <jason@redhat.com>
3270 P0184R0: Generalizing the Range-Based For Loop
3271 * parser.c (cp_convert_range_for): Set the type of __end separately.
3272 (cp_parser_perform_range_for_lookup): Allow different begin/end
3273 types if they are comparable.
3275 2016-03-12 Patrick Palka <ppalka@gcc.gnu.org>
3278 * semantics.c (force_paren_expr): Just build a PAREN_EXPR when
3279 processing_template_decl and EXPR is a SCOPE_REF.
3281 2016-03-10 Patrick Palka <ppalka@gcc.gnu.org>
3282 Jakub Jelinek <jakub@redhat.com>
3285 * constexpr.c (cxx_eval_vec_init_1): For pre_init case, reuse
3286 return value from cxx_eval_constant_expression from earlier
3287 elements if it is valid constant initializer requiring no
3290 2016-03-10 Marek Polacek <polacek@redhat.com>
3293 * cp-gimplify.c (cp_fold): Handle UNARY_PLUS_EXPR.
3295 2016-03-09 Cesar Philippidis <cesar@codesourcery.com>
3297 * parser.c (cp_parser_oacc_loop): Update cclauses and clauses
3298 when calling c_finish_omp_clauses.
3300 2016-03-08 Jason Merrill <jason@redhat.com>
3302 * parser.c (cp_parser_diagnose_invalid_type_name): Give helpful
3303 diagnostic for use of "concept".
3304 (cp_parser_requires_clause_opt): And "requires".
3305 (cp_parser_type_parameter, cp_parser_late_return_type_opt)
3306 (cp_parser_explicit_template_declaration): Adjust.
3307 * Make-lang.in (check-c++-all): Add "concepts" to std list.
3309 P0036R0: Unary Folds and Empty Parameter Packs
3310 * pt.c (expand_empty_fold): Remove special cases for *,+,&,|.
3312 2016-03-08 Jakub Jelinek <jakub@redhat.com>
3315 * constexpr.c (cxx_eval_loop_expr): Forget saved values of SAVE_EXPRs
3316 even after the last iteration of the loop.
3318 * decl.c (duplicate_decls): Fix spelling - becuase -> because.
3320 2016-03-07 Patrick Palka <ppalka@gcc.gnu.org>
3323 * pt.c (get_template_info): Handle PARM_DECL.
3324 (template_class_depth): Check DECL_P instead of
3325 VAR_OR_FUNCTION_DECL_P.
3327 2016-03-05 Jason Merrill <jason@redhat.com>
3330 * constexpr.c (cxx_eval_store_expression): Replace
3331 CONSTRUCTOR_ELTS in nested CONSTRUCTORs, too.
3333 2016-03-05 Patrick Palka <ppalka@gcc.gnu.org>
3336 * pt.c (template_class_depth): Given a lambda type, iterate
3337 into its LAMBDA_TYPE_EXTRA_SCOPE field instead of its
3338 TYPE_CONTEXT. Given a VAR_DECL, iterate into its
3341 2016-03-04 Jason Merrill <jason@redhat.com>
3344 * cp-tree.h (COND_EXPR_IS_VEC_DELETE): New.
3345 * init.c (build_vec_delete_1): Set it.
3346 * constexpr.c (potential_constant_expression_1) [COND_EXPR]: Check it.
3348 2016-03-04 Jakub Jelinek <jakub@redhat.com>
3350 * decl.c (start_preparsed_function): Don't emit start clobber at the
3351 start of constructor clones.
3354 * cp-tree.h (cp_ubsan_maybe_initialize_vtbl_ptrs): New prototype.
3355 * decl.c (start_preparsed_function): Call
3356 cp_ubsan_maybe_initialize_vtbl_ptrs if needed.
3357 * cp-ubsan.c (cp_ubsan_dfs_initialize_vtbl_ptrs,
3358 cp_ubsan_maybe_initialize_vtbl_ptrs): New functions.
3360 2016-03-04 Jason Merrill <jason@redhat.com>
3363 * constexpr.c (cxx_eval_component_reference): Further tweak.
3365 * constexpr.c (struct constexpr_ctx): Add save_exprs field.
3366 (cxx_eval_loop_expr): Discard SAVE_EXPR values before looping.
3367 (cxx_eval_constant_expression) [SAVE_EXPR]: Add it to the set.
3368 (cxx_eval_outermost_constant_expr, is_sub_constant_expr): Initialize.
3371 * tree.c (strip_typedefs): Handle TYPENAME_TYPE lookup finding the
3374 2016-03-03 Jason Merrill <jason@redhat.com>
3376 * method.c (synthesized_method_walk): operator= can also be constexpr.
3378 * pt.c (tsubst_copy_and_build) [LAMBDA_EXPR]: Get
3379 LAMBDA_EXPR_RETURN_TYPE from the instantiated closure.
3382 * pt.c (copy_template_args): New.
3383 (tsubst_pack_expansion): Use it.
3385 * call.c (build_aggr_conv): Use get_nsdmi.
3388 * typeck.c (build_static_cast_1): Avoid folding back to lvalue.
3391 * constexpr.c (cxx_eval_component_reference): Just return an empty
3392 CONSTRUCTOR for an empty class.
3394 2016-03-01 Jason Merrill <jason@redhat.com>
3397 * parser.c (cp_parser_requires_clause): Call
3398 check_for_bare_parameter_packs.
3401 * constexpr.c (cxx_eval_binary_expression): Don't VERIFY_CONSTANT
3405 * constexpr.c (cxx_eval_call_expression): Unshare arg.
3406 (cxx_eval_constant_expression) [DECL_EXPR]: Unshare init.
3407 [TARGET_EXPR]: Unshare init.
3409 2016-03-01 Patrick Palka <ppalka@gcc.gnu.org>
3413 * pt.c (tsubst_baselink): Reinstate the check for an invalid
3416 2016-02-28 Jason Merrill <jason@redhat.com>
3419 * constexpr.c (cxx_eval_store_expression): Unshare init.
3421 2016-02-26 Jason Merrill <jason@redhat.com>
3424 * pt.c (make_argument_pack): New.
3425 (tsubst_copy) [SIZEOF_EXPR]: Handle partial expansion.
3426 (tsubst_copy_and_build): Likewise.
3428 2016-02-25 Jason Merrill <jason@redhat.com>
3431 * cp-tree.h (AGGR_INIT_FROM_THUNK_P): New.
3432 * tree.c (build_aggr_init_expr): Set it.
3433 * semantics.c (simplify_aggr_init_expr): Check it.
3434 * cp-gimplify.c (cp_genericize_r): Don't walk into
3435 a call/aggr_init from a thunk.
3438 * method.c (forward_parm): Handle parameter packs.
3439 * lambda.c (maybe_add_lambda_conv_op): Use it for them.
3442 * constexpr.c (cxx_eval_component_reference): Don't complain about
3443 unevaluated empty classes.
3446 * tree.c (strip_typedefs): Use DECL_ORIGINAL_TYPE.
3448 2016-02-25 Patrick Palka <ppalka@gcc.gnu.org>
3451 * cp-tree.h (REF_PARENTHESIZED_P): Adjust documentation.
3452 (maybe_undo_parenthesized_ref): Declare.
3453 * semantics.c (maybe_undo_parenthesized_ref): Split out from
3455 (finish_call_expr): Use it.
3456 * typeck.c (check_return_expr): Use it.
3457 * pt.c (tsubst_copy_and_build) [INDIRECT_REF]: Retain the
3458 REF_PARENTHESIZED_P flag.
3460 2016-02-24 Jakub Jelinek <jakub@redhat.com>
3463 * class.c (build_base_path): Set TREE_NO_WARNING on the null_test.
3465 * init.c (build_vec_delete_1, build_delete): Don't fold the non-NULL
3467 * cp-gimplify.c (cp_fold): For TREE_NO_WARNING comparisons with NULL,
3468 unless they are folded into INTEGER_CST, error_mark_node or some
3469 comparison with NULL, avoid folding them and use either the original
3470 comparison or non-folded comparison of folded arguments.
3471 * cp-ubsan.c (cp_ubsan_instrument_vptr): Set TREE_NO_WARNING on the
3472 comparison, don't fold the comparison right away.
3474 2016-02-24 Jason Merrill <jason@redhat.com>
3477 * friend.c (make_friend_class): Likewise.
3478 * decl.c (lookup_and_check_tag): Diagnose invalid dependent friend.
3480 2016-02-24 Jason Merrill <jason@redhat.com>
3483 * pt.c (instantiate_class_template_1): Set
3484 processing_template_decl before substituting friend_type.
3486 016-02-24 Martin Sebor <msebor@redhat.com>
3489 * tree.c (build_ctor_subob_ref): Compare types' main variants
3490 instead of the types as they are.
3492 2016-02-24 Jason Merrill <jason@redhat.com>
3494 * decl.c (start_preparsed_function): Condition ctor clobber on
3495 flag_lifetime_dse > 1.
3497 * cp-gimplify.c (cp_fold): Don't fold constexpr calls if -fno-inline.
3499 2016-02-19 Jason Merrill <jason@redhat.com>
3502 * call.c (remaining_arguments): No longer static.
3503 * cp-tree.h: Declare it.
3504 * pt.c (more_specialized_fn): Use it.
3506 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3507 Bernd Edlinger <bernd.edlinger@hotmail.de>
3509 * Make-lang.in: Invoke gperf with -L C++.
3510 * cfns.gperf: Remove prototypes for hash and libc_name_p
3512 * cfns.h: Regenerated.
3513 * except.c (nothrow_libfn_p): Adjust.
3515 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3518 * rtti.c (ifnonnull): Set TREE_NO_WARNING on the condition, use
3519 NE_EXPR instead of EQ_EXPR and swap last two arguments on COND_EXPR.
3521 2016-02-19 Patrick Palka <ppalka@gcc.gnu.org>
3524 * pt.c (tsubst_baselink): Don't diagnose an invalid constructor
3526 * semantics.c (finish_call_expr): Don't assume a constructor
3527 call is dependent if only the "this" pointer is dependent. When
3528 building a constructor call, always use a dummy object.
3530 2016-02-19 Jakub Jelinek <jakub@redhat.com>
3533 * init.c (build_vec_delete_1): Set TREE_NO_WARNING on the NE_EXPR
3535 * cp-gimplify.c (cp_fold): Propagate TREE_NO_WARNING from binary
3536 operators if folding preserved the binop, just with different
3540 * parser.c (cp_parser_std_attribute_spec_seq): Don't assume
3541 attr_spec is always single element chain, chain all the attributes
3542 properly together in the right order.
3544 2016-02-18 Jason Merrill <jason@redhat.com>
3546 * mangle.c (maybe_check_abi_tags): Add for_decl parm. Call
3548 (mangle_decl): Call maybe_check_abi_tags for function scope.
3549 (mangle_guard_variable): Call maybe_check_abi_tags here.
3550 (write_guarded_var_name): Not here.
3552 2016-02-17 Jason Merrill <jason@redhat.com>
3555 * constexpr.c (build_constexpr_constructor_member_initializers):
3556 Handle an additional STATEMENT_LIST.
3559 * constexpr.c (cxx_eval_bare_aggregate): Fix 'changed' detection.
3562 * decl2.c (reset_type_linkage_2): Look through member templates.
3564 2016-02-17 Jakub Jelinek <jakub@redhat.com>
3567 * init.c (build_delete): Set TREE_NO_WARNING on ifexp.
3569 2016-02-17 Jason Merrill <jason@redhat.com>
3572 * method.c (forward_parm): Split out from...
3573 (add_one_base_init): ...here.
3574 * lambda.c (maybe_add_lambda_conv_op): Use it.
3576 2016-02-16 Jason Merrill <jason@redhat.com>
3580 * call.c, cp-tree.h, name-lookup.c, pt.c, search.c, semantics.c,
3581 tree.c, typeck2.c: Revert earlier changes.
3582 * parser.c (cp_parser_lookup_name): Ignore namespace-scope
3583 non-type templates after -> or .
3585 2016-02-16 Jakub Jelinek <jakub@redhat.com>
3588 * typeck.c (cp_build_binary_op): Revert 2015-09-09 change.
3590 2016-02-16 Jason Merrill <jason@redhat.com>
3593 * name-lookup.c (lookup_qualified_name): Add find_hidden parm.
3594 (set_decl_namespace): Pass it. Complain about finding a hidden friend.
3595 * name-lookup.h: Adjust.
3597 2016-02-16 James Norris <jnorris@codesourcery.com>
3599 * parser.c (cp_parser_oacc_data_clause_deviceptr): Remove checking.
3600 * semantics.c (finish_omp_clauses): Add deviceptr checking.
3602 2016-02-15 Jakub Jelinek <jakub@redhat.com>
3605 * init.c (expand_default_init): Only call reshape_init
3606 in the direct-initialization from an initializer list case.
3608 2016-02-15 Jason Merrill <jason@redhat.com>
3611 * semantics.c (finish_call_expr): Implicit 'this' does not make
3613 * search.c (any_dependent_bases_p): Split out...
3614 * name-lookup.c (do_class_using_decl): ...from here.
3615 * call.c (build_new_method_call_1): Don't complain about missing object
3616 if there are dependent bases. Tweak error.
3617 * tree.c (non_static_member_function_p): Remove.
3618 * pt.c (type_dependent_expression_p): A member template of a
3619 dependent type is dependent.
3620 * cp-tree.h: Adjust.
3623 * constexpr.c (verify_ctor_sanity): Remove CONSTRUCTOR_NELTS check.
3625 2016-02-12 Patrick Palka <ppalka@gcc.gnu.org>
3628 * pt.c (lookup_and_finish_template_variable): New function,
3630 (tsubst_copy_and_build) [TEMPLATE_ID_EXPR]: ... here. Use it.
3631 (tsubst_qualified_id): Consider that EXPR might be a variable
3633 * typeck.c (check_template_keyword): Don't emit an error
3634 if DECL is a variable template.
3636 2016-02-12 Jakub Jelinek <jakub@redhat.com>
3638 * error.c: Spelling fixes - behaviour -> behavior and
3639 neighbour -> neighbor.
3641 * typeck.c (cp_build_binary_op): Fix up behavior spelling in
3643 * init.c (build_delete): Likewise.
3645 2016-02-11 Jakub Jelinek <jakub@redhat.com>
3648 * typeck.c (cp_build_binary_op): cp_fully_fold integer_zerop
3649 arguments for -Waddress warning. Fix up formatting.
3651 2016-02-11 Paolo Carlini <paolo.carlini@oracle.com>
3654 * pt.c (lookup_template_class_1): Check tsubst return value for
3657 2016-02-10 Jason Merrill <jason@redhat.com>
3660 * pt.c (resolve_nondeduced_context): Add complain parm.
3661 (do_auto_deduction): Pass it.
3662 * cvt.c (convert_to_void): Likewise.
3663 * decl.c (cp_finish_decl): Likewise.
3664 * init.c (build_new): Likewise.
3665 * rtti.c (get_tinfo_decl_dynamic): Likewise.
3666 * semantics.c (finish_decltype_type): Likewise.
3667 * typeck.c (decay_conversion): Likewise.
3668 * cp-tree.h: Adjust declaration.
3669 * call.c (standard_conversion): Add complain parm, pass it along.
3670 (implicit_conversion): Pass it.
3673 * name-lookup.c (ambiguous_decl): Call remove_hidden_names.
3674 (lookup_name_real_1): Likewise.
3675 (remove_hidden_names): Handle non-functions too.
3678 * parser.c (cp_parser_lookup_name): When looking for a template
3679 after . or ->, only consider class templates.
3680 (cp_parser_postfix_dot_deref_expression): Handle the current
3681 instantiation. Remember a dependent object expression.
3682 * typeck2.c (build_x_arrow): Handle the current instantiation.
3684 * ptree.c (debug_tree): Implement for cp_expr.
3686 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3689 * parser.c (cp_parser_simple_type_specifier): Make the check
3690 for disambiguating between an 'auto' placeholder and an implicit
3691 template parameter more robust.
3693 2016-02-08 Patrick Palka <ppalka@gcc.gnu.org>
3697 * decl2.c (mark_used): When given a TEMPLATE_DECL, return after
3698 setting its TREE_USED flag.
3700 2016-02-08 Jason Merrill <jason@redhat.com>
3703 * name-lookup.c (do_nonmember_using_decl): Leave anticipated
3706 2016-02-08 Jakub Jelinek <jakub@redhat.com>
3709 * parser.c (cp_parser_omp_declare_reduction): Set assembler name
3710 of the DECL_OMP_DECLARE_REDUCTION_P decls.
3712 2016-02-08 Marek Polacek <polacek@redhat.com>
3715 * constexpr.c (clear_cv_and_fold_caches): Renamed from clear_cv_cache.
3716 Call clear_fold_cache.
3717 * cp-tree.h: Adjust declaration.
3718 * decl.c (finish_enum_value_list): Call clear_cv_and_fold_caches
3719 rather than clear_cv_cache and clear_fold_cache.
3720 * typeck2.c (store_init_value): Call clear_cv_and_fold_caches.
3722 2016-02-08 Jason Merrill <jason@redhat.com>
3724 * cp-tree.h (CONV_FOLD, CONV_BACKEND_CONVERT): New.
3725 * cvt.c (convert): Pass CONV_BACKEND_CONVERT.
3726 (ocp_convert): Use *_maybe_fold.
3727 (cp_convert_to_pointer): Add dofold parameter.
3728 * cp-gimplify.c (cp_fold) [CONVERT_EXPR]: Call convert.
3730 2016-02-05 Martin Sebor <msebor@redhat.com>
3733 * init.c (find_field_init): New function.
3734 (warn_placement_new_too_small): Call it. Handle one-element arrays
3735 at ends of structures special.
3737 2016-02-05 Jason Merrill <jason@redhat.com>
3740 * semantics.c (finish_expr_stmt): If expr is error_mark_node,
3741 make sure we've seen_error().
3743 2016-02-05 Patrick Palka <ppalka@gcc.gnu.org>
3746 * pt.c (tsubst_baselink): Diagnose an invalid constructor call
3747 if lookup_fnfields returns NULL_TREE and the name being looked
3748 up has the form A::A.
3750 2016-02-04 Patrick Palka <ppalka@gcc.gnu.org>
3752 * constexpr.c (cxx_eval_binary_expression): Fold equality
3753 comparisons involving PTRMEM_CSTs.
3755 2016-02-04 Jakub Jelinek <jakub@redhat.com>
3757 * class.c (find_flexarrays): Don't declare dom variable.
3758 (diagnose_flexarray): Likewise.
3760 2016-02-02 Martain Sebor <msebor@redhat.com>
3767 * class.c (walk_subobject_offsets): Avoid testing the upper bound
3768 of a flexible array member for equality to null.
3769 (find_flexarrays): Remove spurious whitespace introduced in r231665.
3770 (diagnose_flexarrays): Avoid checking the upper bound of arrays.
3771 (check_flexarrays): Same.
3772 * decl.c (compute_array_index_type): Avoid special case for flexible
3774 (grokdeclarator): Avoid calling compute_array_index_type for flexible
3776 * error.c (dump_type_suffix): Revert changes introduced in r231665
3777 and rendered unnecessary by the changes above.
3778 * pt.c (tsubst): Same.
3779 * tree.c (build_ctor_subob_ref): Handle flexible array members.
3780 * typeck2.c (digest_init_r): Revert changes introduced in r231665.
3781 (process_init_constructor_array): Same.
3782 (process_init_constructor_record): Same.
3784 2016-02-03 Patrick Palka <ppalka@gcc.gnu.org>
3787 * pt.c (try_one_overload): Handle comparing argument packs so
3788 that there is no conflict if we deduced more arguments of an
3789 argument pack than were explicitly specified.
3791 2016-01-31 Jakub Jelinek <jakub@redhat.com>
3792 Jason Merrill <jason@redhat.com>
3795 * tree.c (strip_typedefs) [FUNCTION_TYPE]: Avoid building a new
3796 function type if nothing is changing.
3798 2016-01-31 Jason Merrill <jason@redhat.com>
3801 * pt.c (partial_specialization_p, impartial_args): New.
3802 (instantiate_decl): Call impartial_args.
3804 * mangle.c (maybe_check_abi_tags): New.
3805 (write_guarded_var_name): Call it.
3806 (mangle_ref_init_variable): Call check_abi_tags.
3808 * pt.c (lookup_template_class_1): Don't share TYPE_ATTRIBUTES
3809 between template and instantiation.
3811 2016-01-29 Jakub Jelinek <jakub@redhat.com>
3814 * decl.c (wrapup_globals_for_namespace): Warn about unused static
3815 function declarations.
3817 2016-01-29 Marek Polacek <polacek@redhat.com>
3821 * constexpr.c (cxx_eval_array_reference): Give the "array subscript
3822 out of bound" error earlier.
3823 * init.c (build_vec_init): Change NE_EXPR into GT_EXPR. Update the
3826 2016-01-29 Patrick Palka <ppalka@gcc.gnu.org>
3828 * name-lookup.c (begin_scope): After reusing a cp_binding_level
3829 structure, update free_binding_level before the structure's
3830 level_chain field gets cleared, not after.
3832 2016-01-28 Jason Merrill <jason@redhat.com>
3835 * search.c (dfs_walk_once, dfs_walk_once_r)
3836 (dfs_walk_once_accessible_r, dfs_walk_once_accessible): Use
3837 hash_set instead of BINFO_MARKED.
3838 (dfs_unmark_r): Remove.
3840 2016-01-28 Patrick Palka <ppalka@gcc.gnu.org>
3843 * parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
3844 (cp_lexer_debugging_p): Use it.
3845 (cp_lexer_start_debugging): Likewise.
3846 (cp_lexer_stop_debugging): Likewise.
3848 2016-01-27 Marek Polacek <polacek@redhat.com>
3851 * typeck.c (cp_build_binary_op): Promote operand to unsigned, if
3852 needed. Add -Wsign-compare warning.
3854 2016-01-27 Ryan Burn <contact@rnburn.com>
3857 * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
3858 superfluous post_p argument in call to
3859 cilk_gimplify_call_params_in_spawned_fn.
3861 2016-01-27 Marek Polacek <polacek@redhat.com>
3864 * constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
3865 wrapped in NOP_EXPRs.
3867 2016-01-27 Martin Sebor <msebor@redhat.com>
3870 * mangle.c (mangle_decl): Reference the correct (saved) version
3871 of the ABI in -Wabi diagnostics.
3873 2016-01-27 Marek Polacek <polacek@redhat.com>
3876 * constexpr.c (cxx_eval_array_reference): Evaluate the number of
3877 elements of the array.
3879 2016-01-26 Jason Merrill <jason@redhat.com>
3882 * constexpr.c (register_constexpr_fundef): Keep the un-massaged body.
3883 (cxx_eval_call_expression): Don't look through clones.
3884 * optimize.c (maybe_clone_body): Clear DECL_SAVED_TREE of the alias.
3885 * semantics.c (expand_or_defer_fn_1): Keep DECL_SAVED_TREE of
3886 maybe-in-charge *tor.
3888 2016-01-26 Jason Merrill <jason@redhat.com>
3891 * constexpr.c (cxx_eval_bare_aggregate): Update TREE_CONSTANT
3892 and TREE_SIDE_EFFECTS.
3893 (cxx_eval_constant_expression) [CONSTRUCTOR]: Call
3894 verify_constructor_flags.
3896 2016-01-26 Jakub Jelinek <jakub@redhat.com>
3899 * cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
3900 return error_mark_node instead of building trees with error_mark_node
3903 2016-01-26 David Malcolm <dmalcolm@redhat.com>
3906 * error.c (print_instantiation_partial_context_line): Add missing
3907 newlines from output for the t == NULL case.
3908 (print_instantiation_partial_context): Remove call to pp_newline.
3910 2016-01-24 Patrick Palka <ppalka@gcc.gnu.org>
3913 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3918 * decl.c (grokdeclarator): Don't decay array parameter type to
3919 a pointer type if it's dependent.
3920 (grokparms): Invoke strip_top_quals instead of directly invoking
3921 cp_build_qualified_type.
3922 * pt.c (decay_dependent_array_parm_type): New static function.
3923 (type_unification_real): Call decay_dependent_array_parm_type
3924 to decay a dependent array parameter type to its corresponding
3925 pointer type before unification.
3926 (more_specialized_fn): Likewise.
3927 (get_bindings): Likewise.
3928 * tree.c (cp_build_qualified_type): Trivial typofix in
3931 2016-01-23 Martin Sebor <msebor@redhat.com>
3935 * decl2.c (is_late_template_attribute): Handle dependent argument
3936 to attribute align and attribute vector_size.
3938 2016-01-21 Jason Merrill <jason@redhat.com>
3941 * lambda.c (lambda_capture_field_type): Handle 'this' specially
3942 for init-capture, too.
3945 * decl.c (type_is_deprecated): Don't look into a typedef.
3949 * decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.
3952 * decl.c (start_enum): Add attributes parameter.
3953 * parser.c (cp_parser_enum_specifier): Pass it.
3954 * pt.c (lookup_template_class_1): Pass it.
3955 * cp-tree.h: Adjust.
3957 2016-01-19 Jason Merrill <jason@redhat.com>
3960 * pt.c (convert_template_argument): Handle VAR_DECL properly.
3962 2016-01-19 Marek Polacek <polacek@redhat.com>
3965 * constexpr.c (clear_cv_cache): New.
3966 * cp-gimplify.c (clear_fold_cache): New.
3967 * cp-tree.h (clear_cv_cache, clear_fold_cache): Declare.
3968 * decl.c (finish_enum_value_list): Call them.
3971 * pt.c (tsubst_copy): Mark elements in expanded vector as used.
3973 2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
3978 * decl.c (grokdeclarator): Don't decay array parameter type to
3979 a pointer type if it's dependent.
3980 (grokparms): Invoke strip_top_quals instead of directly invoking
3981 cp_build_qualified_type.
3982 * pt.c (decay_dependent_array_parm_type): New static function.
3983 (type_unification_real): Call decay_dependent_array_parm_type
3984 to decay a dependent array parameter type to its corresponding
3985 pointer type before unification.
3986 (more_specialized_fn): Likewise.
3987 (get_bindings): Likewise.
3988 * tree.c (cp_build_qualified_type): Trivial typofix in
3991 2016-01-18 Jason Merrill <jason@redhat.com>
3993 * cp-gimplify.c (cp_fold) [CONSTRUCTOR]: Don't clobber the input.
3995 * cp-gimplify.c (cp_fold): Remove unnecessary special cases.
3998 * cp-gimplify.c (cp_fold) [COND_EXPR]: Simplify. Do fold COND_EXPR.
3999 (contains_label_1, contains_label_p): Remove.
4001 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4004 * pt.c (type_dependent_expression_p): For a function template
4005 specialization, a type is dependent iff any of its template
4008 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4010 * cp-array-notation.c (cp_expand_cond_array_notations): Return
4011 error_mark_node only if find_rank failed, not if it was
4014 2016-01-16 Patrick Palka <ppalka@gcc.gnu.org>
4017 * tree.c (build_min_non_dep_call_vec): Don't retain the
4018 KOENIG_LOOKUP_P flag of the non-dependent expression that's
4020 (build_min_non_dep_op_overload): Instead, do it here.
4022 2016-01-15 Jakub Jelinek <jakub@redhat.com>
4025 * parser.h (cp_token): Remove pragma_kind field. Add comment
4026 with number of unused bits.
4027 * parser.c (eof_token): Remove pragma_kind field initializer.
4028 (cp_lexer_get_preprocessor_token): Don't set pragma_kind
4029 field, don't clear CPP_PRAGMA u.value.
4030 (cp_parser_pragma_kind): New function.
4031 (cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
4032 cp_parser_omp_construct, cp_parser_initial_pragma,
4033 cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
4036 2016-01-15 Jason Merrill <jason@redhat.com>
4039 * call.c (build_cxx_call): Use fold_non_dependent_expr.
4041 * typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
4045 * typeck.c (decay_conversion): Don't call mark_rvalue_use for
4046 array/function-to-pointer conversion. Call
4047 complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
4048 * call.c (convert_like_real): Print call context if
4049 decay_conversion errors.
4051 2016-01-14 Tom de Vries <tom@codesourcery.com>
4053 PR tree-optimization/68773
4054 * parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
4057 2016-01-14 Jason Merrill <jason@redhat.com>
4060 * constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.
4062 2016-01-12 Marek Polacek <polacek@redhat.com>
4065 * constexpr.c (cxx_eval_check_shift_p): Use permerror rather than
4066 error_at and adjust the return value.
4068 2016-01-12 Jakub Jelinek <jakub@redhat.com>
4072 * cp-gimplify.c (cp_gimplify_expr) <case INIT_EXPR>: Don't return
4073 GS_ERROR whenever seen_error (), only if *expr_p contains
4074 cilk spawn stmt, but cilk_detect_spawn_and_unwrap failed.
4078 * pt.c (tsubst_decl): If not local_p, clear DECL_TEMPLATE_INFO.
4080 2016-01-11 Jason Merrill <jason@redhat.com>
4083 * method.c (walk_field_subobs): Add dtor_from_ctor parm.
4084 (process_subob_fn): Likewise. Don't consider triviality if true.
4085 (synthesize_method_walk): Pass it.
4087 2016-01-11 David Malcolm <dmalcolm@redhat.com>
4090 * parser.c (cp_parser_postfix_expression): Initialize
4091 close_paren_loc to UNKNOWN_LOCATION; only use it if
4092 it has been written to by
4093 cp_parser_parenthesized_expression_list.
4094 (cp_parser_parenthesized_expression_list): Document the behavior
4095 with respect to the CLOSE_PAREN_LOC param.
4097 2016-01-11 Jakub Jelinek <jakub@redhat.com>
4100 * cp-gimplify.c (cp_fold): If COMPOUND_EXPR or MODIFY_EXPR
4101 folded operands have side-effects, but folding changed any of them,
4102 build a new tree with the folded operands instead of returning the
4105 2016-01-09 Marek Polacek <polacek@redhat.com>
4108 * decl2.c (comdat_linkage): Only set DECL_COMDAT if TREE_PUBLIC is set.
4110 2016-01-09 Jakub Jelinek <jakub@redhat.com>
4113 * class.c (layout_class_type): Use copy_node to copy FIELD_DECLs.
4115 2016-01-08 Jason Merrill <jason@redhat.com>
4118 * constexpr.c (cxx_fold_indirect_ref): Handle array type differing
4121 2016-01-08 Marek Polacek <polacek@redhat.com>
4124 * constexpr.c (cxx_eval_constant_expression): Handle NULL initializer.
4126 2016-01-08 Jason Merrill <jason@redhat.com>
4128 * constexpr.c (cxx_eval_call_expression): Remove convert_to_void
4133 * cvt.c (convert_to_void): Don't strip a TARGET_EXPR of
4134 TREE_ADDRESSABLE type.
4138 * call.c (unsafe_copy_elision_p): Look through COMPOUND_EXPR.
4140 2016-01-05 Nathan Sidwell <nathan@acm.org>
4143 * pt.c (build_non_dependent_expr): Don't try a checking fold when
4146 2016-01-04 Jakub Jelinek <jakub@redhat.com>
4148 Update copyright years.
4150 Copyright (C) 2016 Free Software Foundation, Inc.
4152 Copying and distribution of this file, with or without modification,
4153 are permitted in any medium without royalty provided the copyright
4154 notice and this notice are preserved.