1 2018-05-14 Jason Merrill <jason@redhat.com>
3 Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
4 * tree.c (build_cp_fntype_variant): New.
5 (build_ref_qualified_type, build_exception_variant)
6 (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
7 (cxx_type_hash_eq, cp_check_qualified_type): Check
8 TYPE_HAS_LATE_RETURN_TYPE.
9 (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
10 (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
11 * class.c (build_clone): Use cxx_copy_lang_qualifiers.
12 (adjust_clone_args): Likewise.
13 * decl.c (grokfndecl): Add late_return_type_p parameter. Use
14 build_cp_fntype_variant.
15 (grokdeclarator): Pass late_return_type_p to grokfndecl.
16 (check_function_type): Use cxx_copy_lang_qualifiers.
17 (static_fn_type): Use cxx_copy_lang_qualifiers.
18 * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
19 (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
20 (change_return_type): Use cxx_copy_lang_qualifiers.
21 * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
22 * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
23 return type on the declarator like a normal trailing return type.
24 * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
25 (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
26 * typeck.c (merge_types): Use build_cp_fntype_variant.
28 2018-05-14 Paolo Carlini <paolo.carlini@oracle.com>
30 * cp-tree.h (TYPE_REF_P): New.
31 (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
32 * call.c (build_list_conv, build_aggr_conv, standard_conversion,
33 direct_reference_binding, reference_binding, implicit_conversion,
34 add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
35 build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
36 build_over_call, perform_implicit_conversion_flags,
37 extend_ref_init_temps, type_has_extended_temps): Use it.
38 * class.c (one_inheriting_sig, check_field_decls,
39 check_bases_and_members, find_flexarrays, finish_struct,
40 fixed_type_or_null): Likewise.
41 * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
42 non_const_var_error, cxx_eval_constant_expression,
43 potential_constant_expression_1): Likewise.
44 * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
45 cp_genericize_r, cxx_omp_privatize_by_reference,
46 cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
47 cp_fold_maybe_rvalue): Likewise.
48 * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
49 * cvt.c (build_up_reference, convert_to_reference,
50 convert_from_reference, convert_to_void, noexcept_conv_p,
51 fnptr_conv_p): Likewise.
52 * decl.c (poplevel, check_for_uninitialized_const_var,
53 check_initializer, initialize_local_var, cp_finish_decl,
54 get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
55 move_signature_fn_p, grok_op_properties, finish_function): Likewise.
56 * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
57 decl_maybe_constant_var_p): Likewise.
58 * error.c (dump_type_prefix, dump_expr): Likewise.
59 * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
60 is_admissible_throw_operand_or_catch_parameter): Likewise.
61 * expr.c (mark_use): Likewise.
62 * init.c (build_zero_init_1, build_value_init_noctor,
63 perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
64 build_new, build_delete): Likewise.
65 * lambda.c (build_lambda_object): Likewise.
66 * mangle.c (write_expression, write_template_arg): Likewise.
67 * method.c (forward_parm, do_build_copy_constructor,
68 do_build_copy_assign, build_stub_object, constructible_expr,
69 walk_field_subobs): Likewise.
70 * parser.c (cp_parser_omp_for_loop_init,
71 cp_parser_omp_declare_reduction_exprs,
72 cp_parser_omp_declare_reduction): Likewise.
73 * pt.c (convert_nontype_argument_function, convert_nontype_argument,
74 convert_template_argument, tsubst_pack_expansion,
75 tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
76 maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
77 more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
78 value_dependent_expression_p, build_deduction_guide): Likewise.
79 * semantics.c (finish_handler_parms, finish_non_static_data_member,
80 finish_compound_literal, omp_privatize_field,
81 handle_omp_array_sections_1, handle_omp_array_sections,
82 cp_check_omp_declare_reduction, finish_omp_reduction_clause,
83 finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
84 finish_omp_clauses, finish_decltype_type, capture_decltype,
85 finish_builtin_launder): Likewise.
86 * tree.c (lvalue_kind, cp_build_reference_type, move,
87 cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
88 * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
89 cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
90 cp_build_addr_expr_1, maybe_warn_about_useless_cast,
91 build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
92 build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
93 convert_for_initialization,
94 maybe_warn_about_returning_address_of_local, check_return_expr,
95 cp_type_quals, casts_away_constness, non_reference): Likewise.
96 * typeck2.c (cxx_readonly_error, store_init_value,
97 process_init_constructor_record, build_x_arrow, build_functional_cast,
98 add_exception_specifier): Likewise.
100 2018-05-14 Jason Merrill <jason@redhat.com>
102 * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
103 (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
105 2018-05-11 Jakub Jelinek <jakub@redhat.com>
108 * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
109 * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
110 cxx_omp_predetermined_sharing_1. Rename old function to ...
111 (cxx_omp_predetermined_sharing_1): ... this.
112 * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
113 instead of cxx_omp_predetermined_sharing.
115 2018-05-10 Jason Merrill <jason@redhat.com>
117 * decl.c (cp_finish_decl): Don't instantiate auto variable.
118 (check_static_variable_definition): Allow auto.
119 * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
121 * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
122 (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
124 Core issue 2310 - conversion to base of incomplete type.
125 * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
127 CWG 2267 - list-initialization of reference temporary
128 * call.c (reference_binding): List-initializing a reference
129 temporary is copy-list-initialization.
131 * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
133 * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
134 instantiation in template context.
136 * class.c (vbase_has_user_provided_move_assign): Use
139 * lambda.c (lambda_expr_this_capture): Improve logic.
141 * decl.c (make_typename_type): s/parameters/arguments/.
142 * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
143 * pt.c (make_pack_expansion): Correct error message.
145 2018-05-10 Jakub Jelinek <jakub@redhat.com>
148 * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
149 fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
152 2018-05-10 Eric Botcazou <ebotcazou@adacore.com>
155 * decl2.c (adjust_var_decl_tls_model): New static function.
156 (comdat_linkage): Call it on a variable.
157 (maybe_make_one_only): Likewise.
159 2018-05-09 Paolo Carlini <paolo.carlini@oracle.com>
163 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
166 * parser.c (cp_parser_parameter_declaration_list): When the
167 entire parameter-declaration-list is erroneous maybe call
168 abort_fully_implicit_template.
170 2018-05-08 Jason Merrill <jason@redhat.com>
172 PR c++/85706 - class deduction under decltype
173 * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE. Clear
174 *walk_subtrees whether or not we walked into the operand.
175 (type_uses_auto): Only look at deduced contexts.
177 2018-05-08 Paolo Carlini <paolo.carlini@oracle.com>
180 * parser.c (cp_parser_parameter_declaration_list): When the
181 entire parameter-declaration-list is erroneous maybe call
182 abort_fully_implicit_template.
184 2018-05-08 Marek Polacek <polacek@redhat.com>
187 * semantics.c (finish_if_stmt_cond): See through typedefs.
189 2018-05-07 Jason Merrill <jason@redhat.com>
191 PR c++/85646 - lambda visibility.
192 * decl2.c (determine_visibility): Don't mess with template arguments
193 from the containing scope.
194 (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
197 2018-05-07 Nathan Sidwell <nathan@acm.org>
200 * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
201 (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
202 (SET_DECL_SHADOWED_FOR_VAR): Delete.
203 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
204 (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
206 * name-lookup.h (struct cp_binding_level): Remove
207 dead_vars_from_for field.
208 * cp-lang.c (cp_init_ts): Delete.
209 (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
210 * cp-objcp-common.c (shadowed_var_for_decl): Delete.
211 (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
212 (init_shadowed_var_for_decl): Delete.
213 * decl.c (poplevel): Remove shadowed for var handling.
214 (cxx_init_decl_processing): Remove -ffor-scope deprecation.
215 * name-lookup.c (find_local_binding): Remove shadowed for var
217 (check_local_shadow): Likewise.
218 (check_for_out_of_scope_variable): Delete.
219 * parser.c (cp_parser_primary_expression): Remove shadowed for var
221 * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
222 * semantics.c (begin_for_scope): Always have a scope.
223 (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
224 (begin_range_for_stmt, finish_id_expression): Likewise.
226 2018-05-07 Jason Merrill <jason@redhat.com>
228 PR c++/85618 - ICE with initialized VLA.
229 * tree.c (vla_type_p): New.
230 * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
231 rather than array_of_runtime_bound_p.
233 2018-05-05 Paolo Carlini <paolo.carlini@oracle.com>
235 * cvt.c (ocp_convert): Early handle the special case of a
236 null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
238 2018-05-03 Jason Merrill <jason@redhat.com>
240 PR c++/85600 - virtual delete failure.
241 * init.c (build_delete): Always save_expr when deleting.
243 2018-05-03 Nathan Sidwell <nathan@acm.org>
245 * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
246 * name-lookup.c (do_pushdecl): Likewise.
248 2018-05-02 Paolo Carlini <paolo.carlini@oracle.com>
249 Jason Merrill <jason@redhat.com>
252 * name-lookup.c (check_local_shadow): Don't handle static old
253 declarations in the block handling locals shadowing locals.
255 2018-05-01 Jason Merrill <jason@redhat.com>
257 PR c++/85587 - error with scoped enum in template.
258 * semantics.c (finish_qualified_id_expr): Don't return an
259 unqualified IDENTIFIER_NODE.
261 2018-04-30 Jason Merrill <jason@redhat.com>
263 PR c++/85580 - extern "C" and local variables
264 * name-lookup.c (check_extern_c_conflict): Ignore local decls.
266 PR c++/84701 - unsigned typeof.
267 * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
268 of long/short/signed/unsigned.
270 PR c++/85305 - pack in lambda init-capture.
271 * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
272 check_for_bare_parameter_packs in a subexpression.
273 (cp_parser_lambda_introducer): Use it.
275 PR c++/61982 - dead stores to destroyed objects.
276 * call.c (build_trivial_dtor_call): New, assigns a clobber.
277 (build_over_call, build_special_member_call): Use it.
278 * cp-tree.h: Declare it.
279 * init.c (build_delete): Remove trivial path.
281 * init.c (build_dtor_call): Use build_special_member_call.
282 (build_delete): Remove redundant uses of save_addr.
284 * decl.c (build_clobber_this): Use build_clobber.
286 2018-04-27 Jakub Jelinek <jakub@redhat.com>
289 * init.c (build_zero_init_1): For zero initialization of
290 NULLPTR_TYPE_P type use build_int_cst directly.
292 2018-04-27 David Malcolm <dmalcolm@redhat.com>
295 * name-lookup.c (consider_binding_level): Skip compiler-generated
297 * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
298 nested if statements into a series of rejection tests. Reject
299 lambda-ignored entities as suggestions.
301 2018-04-27 Jason Merrill <jason@redhat.com>
303 * cvt.c (cp_fold_convert): Use convert_ptrmem.
304 * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
306 2018-04-27 Paolo Carlini <paolo.carlini@oracle.com>
309 * decl.c (grokdeclarator): Clear friendp upon definition in local
310 class definition error.
312 2018-04-27 Jason Merrill <jason@redhat.com>
314 PR c++/85545 - ICE with noexcept PMF conversion.
315 * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
317 * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
319 (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
321 2018-04-27 Nathan Sidwell <nathan@acm.org>
323 * typeck.c (convert_ptrmem): Move local var decls to initialization.
325 * cp-tree.h (TEMPLATE_INFO): Fix comments.
326 (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
327 (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
328 (dump, print_other_binding_stacks): Remove declarations.
329 * name-lookup.c (print_other_binding_stack): Make static.
330 * pt.c (build_template_decl): Make static.
332 2018-04-26 Jason Merrill <jason@redhat.com>
334 PR c++/85545 - ICE with noexcept PMF conversion.
335 * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
337 2018-04-25 Nathan Sidwell <nathan@acm.org>
341 * cp-tree.h (REINTERPRET_CAST_P): New.
342 * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
343 Reject REINTERPET_CAST_P conversions. Use cplus_expand_constant
344 for non-trivial PTRMEM_CST cases.
345 * typeck.c (build_nop_reinterpret): New.
346 (build_reinterpret_cast_1): Use it. Set REINTERPRET_CAST_P on
347 NOP_EXPRs returned by cp_convert.
349 2018-04-23 Jason Merrill <jason@redhat.com>
351 PR c++/69560 - wrong alignof(double) on x86.
352 CWG 1879 - Inadequate definition of alignment requirement.
353 * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
354 * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
355 (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
356 (cxx_alignof_expr): Pass it.
357 * parser.c (cp_parser_unary_expression): Pass it.
358 * pt.c (tsubst_copy): Copy it.
359 (tsubst_copy_and_build): Pass it.
360 * decl.c (fold_sizeof_expr): Pass it.
362 2018-04-23 Jakub Jelinek <jakub@redhat.com>
363 Jason Merrill <jason@redhat.com>
365 PR c++/85470 - wrong error with static data member.
366 * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
367 * typeck2.c (store_init_value): Likewise.
369 2018-04-20 Jakub Jelinek <jakub@redhat.com>
372 * cp-tree.h (tinst_level): Remove in_system_header_p member,
373 change refcount member from unsigned char to unsigned short,
374 add refcount_infinity static data member, adjust comments.
375 * pt.c (tinst_level::refcount_infinity): Define.
376 (inc_refcount_use): Remove assert, don't increment if refcount
377 is already refcount_infinity, adjust comment.
378 (dec_refcount_use): Remove assert, don't decrement if refcount
379 is refcount_infinity, adjust comment.
380 (push_tinst_level_loc): Formatting fix.
382 2018-04-19 Paolo Carlini <paolo.carlini@oracle.com>
385 * pt.c (lookup_template_class_1): Check pushtag return value for
388 2018-04-19 Alexandre Oliva <aoliva@redhat.com>
391 * cp-tree.h (tinst_level::free): Fix whitespace.
393 2018-04-18 Paolo Carlini <paolo.carlini@oracle.com>
396 * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
399 2018-04-18 Jakub Jelinek <jakub@redhat.com>
402 * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
403 tricks from here to ...
404 * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here. Only use it
405 if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
407 2018-04-18 Alexandre Oliva <aoliva@redhat.com>
410 * cp-tree.h (struct tinst_level): Split decl into tldcl and
411 targs. Add private split_list_p, tree_list_p, and not_list_p
412 inline const predicates; to_list private member function
413 declaration; free public member function declaration; list_p,
414 get_node and maybe_get_node accessors, and refcount data
415 member. Narrow errors to unsigned short.
416 * error.c (print_instantiation_full_context): Use new
418 (print_instantiation_partial_context_line): Likewise. Drop
419 const from tinst_level-typed parameter.
420 * mangle.c (mangle_decl_string): Likewise.
421 * pt.c (freelist): New template class.
422 (tree_list_freelist_head): New var.
423 (tree_list_freelist): New fn, along with specializations.
424 (tinst_level_freelist_head): New var.
425 (pending_template_freelist_head): Likewise.
426 (tinst_level_freelist, pending_template_freelist): New fns.
427 (tinst_level::to_list, tinst_level::free): Define.
428 (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
429 (set_refcount_ptr): New template fn.
430 (add_pending_template): Adjust for refcounting, freelists and
432 (neglectable_inst_p): Take a NULL d as a non-DECL.
433 (limit_bad_template_recursion): Use new accessors.
434 (push_tinst_level): New overload to create the list.
435 (push_tinst_level_loc): Make it static, split decl into two
436 args, adjust tests and initialization to cope with split
437 lists, use freelist, adjust for refcounting.
438 (push_tinst_level_loc): New wrapper with the old interface.
439 (pop_tinst_level): Adjust for refcounting.
440 (record_last_problematic_instantiation): Likewise.
441 (reopen_tinst_level): Likewise. Use new accessors.
442 (instantiate_alias_template): Adjust for split list.
443 (fn_type_unification): Likewise.
444 (get_partial_spec_bindings): Likewise.
445 (instantiate_pending_templates): Use new accessors. Adjust
446 for refcount. Release pending_template to freelist.
447 (instantiating_current_function_p): Use new accessors.
449 2018-04-16 Alexandre Oliva <aoliva@redhat.com>
452 * parser.c (cp_parser_builtin_offset): Reject type definitions.
453 * mangle.c (nested_anon_class_index): Avoid crash returning -1
454 if we've seen errors.
456 2018-04-12 David Malcolm <dmalcolm@redhat.com>
459 * name-lookup.c (macro_use_before_def::maybe_make): New function,
460 checking that the use is indeed before the definition.
461 (macro_use_before_def::macro_use_before_def): Make private.
462 (macro_use_before_def::~macro_use_before_def): Make private. Move
463 check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
464 (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
465 than using new directly.
467 2018-04-12 Jason Merrill <jason@redhat.com>
469 PR c++/85356 - ICE with pointer to member function.
470 * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
471 flag_noexcept_type. Build the new spec within the function context.
472 * except.c (build_noexcept_spec): Do get constant value in templates
473 if flag_noexcept_type.
474 * decl.c (check_redeclaration_exception_specification): Don't
475 instantiate noexcept on a dependent declaration.
477 2018-04-12 Marek Polacek <polacek@redhat.com>
480 * constexpr.c (reduced_constant_expression_p): Return false for null
483 2018-04-11 Marek Polacek <polacek@redhat.com>
486 * constexpr.c (potential_constant_expression_1): Consider conversions
487 from classes to literal types potentially constant.
489 2018-04-10 Paolo Carlini <paolo.carlini@oracle.com>
492 * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
493 the type like TYPE_PTR_OR_PTRMEM_P.
495 2018-04-10 Jason Merrill <jason@redhat.com>
497 PR debug/65821 - wrong location for main().
498 * call.c (clear_location_r, convert_default_arg): Revert.
499 * tree.c (break_out_target_exprs): Add clear_location parm.
500 (struct bot_data): New.
501 (bot_manip): Clear location if requested.
502 * init.c (get_nsdmi): Pass clear_location.
504 2018-04-10 David Malcolm <dmalcolm@redhat.com>
507 * call.c (get_fndecl_argument_location): Make non-static.
508 * cp-tree.h (get_fndecl_argument_location): New decl.
509 * typeck.c (convert_for_assignment): When complaining due to
510 conversions for an argument, show the location of the parameter
513 2018-04-10 Jakub Jelinek <jakub@redhat.com>
515 PR c++/85312 - P0962 cleanup
516 * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
519 2018-04-10 Jason Merrill <jason@redhat.com>
521 PR debug/65821 - wrong location for main().
522 * call.c (clear_location_r): New.
523 (convert_default_arg): Use it.
524 * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
526 PR c++/85285 - ICE with flexible array after substitution.
527 * pt.c (instantiate_class_template_1): Check for flexible array in
530 2018-04-09 Paolo Carlini <paolo.carlini@oracle.com>
533 * decl.c (cp_finish_decomp): In a template, if the type is incomplete
534 issue a pedwarn and defer trying to do bindings.
536 2018-04-09 Jason Merrill <jason@redhat.com>
538 PR c++/85279 - dump_expr doesn't understand decltype.
539 * error.c (dump_expr): Handle DECLTYPE_TYPE.
541 PR c++/85262 - ICE with redundant qualification on constructor.
542 * call.c (build_new_method_call_1): Move make_args_non_dependent
543 after A::A() handling.
545 PR c++/85277 - ICE with invalid offsetof.
546 * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
547 Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
549 PR c++/85264 - ICE with excess template-parameter-list.
550 * parser.c (cp_parser_check_template_parameters): Add template_id_p
551 parameter. Don't allow an extra template header if true.
552 (cp_parser_class_head): Pass template_id_p.
553 (cp_parser_elaborated_type_specifier): Likewise.
554 (cp_parser_alias_declaration): Likewise.
555 (cp_parser_check_declarator_template_parameters): Likewise.
557 2018-04-09 Jakub Jelinek <jakub@redhat.com>
560 * parser.c (cp_parser_simple_declaration): For structured bindings,
561 if *maybe_range_for_decl is NULL after parsing it, set it to
564 2018-04-09 Jason Merrill <jason@redhat.com>
566 PR c++/85256 - ICE capturing pointer to VLA.
567 * lambda.c (add_capture): Distinguish between variable-size and
568 variably-modified types.
570 2018-04-06 Jason Merrill <jason@redhat.com>
572 PR c++/85214 - ICE with alias, generic lambda, constexpr if.
573 * pt.c (extract_locals_r): Remember local typedefs.
575 2018-04-06 David Malcolm <dmalcolm@redhat.com>
578 * name-lookup.c (struct std_name_hint): Move out of
579 get_std_name_hint; add field "min_dialect".
580 (get_std_name_hint): Add min_dialect values to all initializers.
581 Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
582 <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
583 <shared_mutex>, <string_view>, <thread>, and <variant>.
584 Add fstream, ifstream, and ofstream to <fstream>.
585 Add istringstream, ostringstream, and stringstream to <sstream>.
586 Add basic_string to <string>.
587 Add tuple_element and tuple_size to <tuple>.
588 Add declval to <utility>.
589 Fix ordering of <queue> and <tuple>.
590 Return a std_name_hint, rather than a const char *.
591 (get_cxx_dialect_name): New function.
592 (maybe_suggest_missing_std_header): Detect names that aren't yet
593 available in the current dialect, and instead of suggesting a
594 missing #include, warn about the dialect.
596 2018-04-06 Jakub Jelinek <jakub@redhat.com>
599 * pt.c (tsubst_decomp_names): Return error_mark_node and assert
600 errorcount is set if tsubst doesn't return a VAR_DECL.
602 2018-04-06 David Malcolm <dmalcolm@redhat.com>
605 * name-lookup.c (using_directives_contain_std_p): New function.
606 (has_using_namespace_std_directive_p): New function.
607 (suggest_alternatives_for): Simplify if/else logic using early
608 returns. If no candidates were found, and there's a
609 "using namespace std;" directive, call
610 maybe_suggest_missing_std_header.
611 (maybe_suggest_missing_header): Split later part of the function
613 (maybe_suggest_missing_std_header): New.
615 2018-04-06 Jason Merrill <jason@redhat.com>
617 PR c++/85242 - ICE with class definition in template parm.
618 * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
619 processing_template_parmlist.
621 PR c++/85240 - LTO ICE with using of undeduced auto fn.
622 * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
624 2018-04-05 Jakub Jelinek <jakub@redhat.com>
627 * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
628 is not prev, if prev == decl.
631 * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
632 maybe_apply_pragma_weak here...
633 (cp_maybe_mangle_decomp): ... but call it here instead.
635 2018-04-05 Jason Merrill <jason@redhat.com>
637 PR c++/85136 - ICE with designated init in template.
638 * decl.c (maybe_deduce_size_from_array_init): Handle dependent
639 designated initializer.
640 (check_array_designated_initializer): Update ce->index with the
643 PR c++/83808 - ICE with VLA initialization.
644 * typeck2.c (process_init_constructor_array): Don't require a VLA
645 initializer to have VLA type.
647 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
650 * call.c (convert_like_real): Fail gracefully for a broken
651 std::initializer_list, missing a definition.
653 * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
655 2018-04-05 Paolo Carlini <paolo.carlini@oracle.com>
658 * decl.c (grokdeclarator): Fix diagnostic about typedef name used
659 as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
661 2018-04-05 Jason Merrill <jason@redhat.com>
663 PR c++/82152 - ICE with class deduction and inherited ctor.
664 * pt.c (do_class_deduction): Ignore inherited ctors.
666 PR c++/84665 - ICE with array of empty class.
667 * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
669 PR c++/85228 - ICE with lambda in enumerator in template.
670 * pt.c (bt_instantiate_type_proc): Don't assume
671 CLASSTYPE_TEMPLATE_INFO is non-null.
673 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
676 * decl.c (find_decomp_class_base): Check accessibility instead
677 of declared access, adjust diagnostic.
679 2018-04-05 Ville Voutilainen <ville.voutilainen@gmail.com>
682 * decl.c (get_tuple_decomp_init): Check the templatedness
685 2018-04-05 Jason Merrill <jason@redhat.com>
687 PR c++/85200 - ICE with constexpr if in generic lambda.
688 * pt.c (extract_locals_r): Don't record the local specs of variables
689 declared within the pattern.
691 2018-04-05 Alexandre Oliva <aoliva@redhat.com>
694 * pt.c (check_auto_in_tmpl_args): New.
695 (tsubst_qualified_id): Use it to reject template args
696 referencing auto for non-type templates.
697 * parser.c (cp_parser_template_id): Likewise.
698 * cp-tree.h (check_auto_in_tmpl_args): Declare.
699 * typeck2.c (build_functional_cast): Report correct location
700 for invalid use of auto.
702 2018-04-04 Jason Merrill <jason@redhat.com>
704 PR c++/85215 - ICE with copy-init from conversion.
705 * call.c (merge_conversion_sequences): Fix type of direct binding
708 PR c++/84938 - ICE with division by ~-1.
709 * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
711 PR c++/84936 - ICE with unexpanded pack in mem-initializer.
712 * parser.c (cp_parser_mem_initializer_list): Call
713 check_for_bare_parameter_packs.
715 2018-04-04 Jakub Jelinek <jakub@redhat.com>
718 * constexpr.c (cxx_eval_builtin_function_call): For calls to
719 builtin_valid_in_constant_expr_p functions, don't call
720 cxx_eval_constant_expression if argument is not
721 potential_constant_expression.
724 * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
726 * semantics.c (calculate_bases): Add complain argument. Use
727 complete_type_or_maybe_complain instead of just complete_type and
728 return an empty vector if it fails. Move make_tree_vector () call
729 after early return. Formatting fixes.
730 (calculate_direct_bases): Likewise. Call release_tree_vector at the
732 (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
733 * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
734 calculate_direct_bases callers, formatting fixes.
736 2018-04-04 Jason Merrill <jason@redhat.com>
738 PR c++/85006 - -fconcepts ICE with A<auto...> return type
739 * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
741 PR c++/85200 - ICE with constexpr if in generic lambda.
742 * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
744 PR c++/84221 - bogus -Wunused with attribute and template.
745 * decl2.c (is_late_template_attribute): Handle unused and used
746 normally on non-TYPE_DECL.
748 PR c++/85135 - ICE with omitted template arguments.
749 * decl.c (grokdeclarator): Catch deduced class type in trailing
752 PR c++/85133 - ICE with missing concept initializer.
753 * decl.c (cp_finish_decl): If a concept initializer is missing, use
756 PR c++/85118 - wrong error with generic lambda and std::bind.
757 * call.c (add_template_conv_candidate): Disable if there are any
760 PR c++/85141 - ICE with compound assignment and static member fn.
761 * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
764 PR c++/85148 - ICE with 'this' in array NSDMI.
765 * tree.c (replace_placeholders_r): Use handled_component_p.
767 2018-04-04 Ville Voutilainen <ville.voutilainen@gmail.com>
770 * decl.c (grokfndecl): Handle standard UDL diagnostics here..
771 * parser.c (cp_parser_unqualified_id): ..not here.
773 2018-04-04 Alexandre Oliva <aoliva@redhat.com>
776 * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
778 * decl2.c (mark_used): Return without effects if tf_conv.
780 2018-04-03 Jason Merrill <jason@redhat.com>
782 PR c++/85092 - C++17 ICE with unused list constructor.
783 * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
786 PR c++/85113 - ICE with constexpr and __builtin_constant_p.
787 * constexpr.c (cxx_eval_builtin_function_call): Only defer
788 __builtin_constant_p if ctx->quiet.
790 2018-04-03 Paolo Carlini <paolo.carlini@oracle.com>
793 * pt.c (rewrite_template_parm): If the first argument is
794 error_mark_node return it immediately.
795 (build_deduction_guide): Check the return value of the
796 latter for error_mark_node.
797 (do_class_deduction): Check the return value of the latter.
799 2018-04-03 Jason Merrill <jason@redhat.com>
801 * semantics.c (finish_if_stmt_cond): Use
802 instantiation_dependent_expression_p.
804 PR c++/85149 - generic lambda and constexpr if.
805 * pt.c (build_extra_args, add_extra_args): Split from
806 tsubst_pack_expansion.
807 (tsubst_expr) [IF_STMT]: Use them.
808 * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
810 * typeck.c (merge_types): Limit matching attribute shortcut to
813 2018-04-03 Jakub Jelinek <jakub@redhat.com>
816 * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
819 * name-lookup.c (handle_namespace_attrs): Return early if attributes
823 * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
824 fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
825 instead for static data members clear init and set DECL_EXTERNAL.
827 2018-04-02 Jason Merrill <jason@redhat.com>
829 PR c++/64095 - auto... parameter pack.
830 * parser.c (cp_parser_parameter_declaration): Handle turning autos
832 (cp_parser_parameter_declaration_list): Not here.
834 2018-03-31 Alexandre Oliva <aoliva@redhat.com>
837 * class.c (instantiate_type): Peel off SAVE_EXPR before
840 2018-03-30 Jason Merrill <jason@redhat.com>
842 * typeck2.c (process_init_constructor_record): Use
843 init_list_type_node for the CONSTRUCTOR around an anonymous union
844 designated initializer.
846 2018-03-30 Jakub Jelinek <jakub@redhat.com>
849 * semantics.c (finish_omp_reduction_clause): If
850 OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
851 even if processing_template_decl.
853 2018-03-29 David Malcolm <dmalcolm@redhat.com>
856 * name-lookup.c (get_std_name_hint): Add names from <memory>,
857 <tuple>, and <utility>.
859 2018-03-29 Jason Merrill <jason@redhat.com>
861 PR c++/85093 - too many template args with pack expansion.
862 * pt.c (coerce_template_parms): Keep pack expansion args that will
865 2018-03-29 Jason Merrill <jason@redhat.com>
867 * pt.c (build_non_dependent_expr): Propagate expr location.
869 2018-03-27 Jason Merrill <jason@redhat.com>
871 PR c++/85060 - wrong-code with call to base member in template.
872 * search.c (any_dependent_bases_p): Check uses_template_parms
873 rather than processing_template_decl.
875 2018-03-29 David Malcolm <dmalcolm@redhat.com>
878 * typeck.c (convert_for_assignment): When complaining due to
879 conversions for an argument, attempt to use the location of the
882 2018-03-28 Paolo Carlini <paolo.carlini@oracle.com>
885 * pt.c (tsubst_default_argument): Early return if the type of the
886 parameter is erroneous.
888 2018-03-28 Alexandre Oliva <aoliva@redhat.com>
891 * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
895 * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
897 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
900 * method.c (defaulted_late_check): Partially revert r253321 changes,
901 do not early return upon error.
903 2018-03-27 Jakub Jelinek <jakub@redhat.com>
906 * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
907 type call fold to generate VECTOR_CSTs when possible.
910 * tree.c (cp_build_reference_type): If to_type is error_mark_node,
911 return it right away.
913 2018-03-27 Volker Reichelt <v.reichelt@netcologne.de>
915 * search.c (check_final_overrider): Use inform instead of error
916 for the diagnostics of the overridden functions. Tweak wording.
918 2018-03-27 Jakub Jelinek <jakub@redhat.com>
921 * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
922 is NULL. Assert if thunk_binfo is NULL then errorcount is non-zero.
924 2018-03-27 Paolo Carlini <paolo.carlini@oracle.com>
925 Jason Merrill <jason@redhat.com>
928 * init.c (build_aggr_init): When initializing from array,
929 reject anything but CONSTRUCTORs and TARGET_EXPRs.
930 (build_vec_init): Handle separately ARRAY_TYPEs.
932 2018-03-26 Jason Merrill <jason@redhat.com>
934 PR c++/85062 - ICE with alignas in wrong place.
935 * decl.c (grokdeclarator): Ignore attributes on type-specifiers
938 PR c++/85049 - ICE with __integer_pack.
939 * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
940 * cp-tree.h (TEMPLATE_PARM_P): New.
942 2018-03-23 Jason Merrill <jason@redhat.com>
944 PR c++/78489 - wrong SFINAE behavior.
947 * pt.c (type_unification_real): Don't defer substitution failure.
949 2018-03-23 Jakub Jelinek <jakub@redhat.com>
952 * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
956 * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
957 cp_build_unary_op call with gcc_unreachable ().
959 2018-03-23 Marek Polacek <polacek@redhat.com>
962 * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
963 Handle EXACT_DIV_EXPR and RDIV_EXPR. Tweak condition.
964 (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
966 2018-03-23 Ville Voutilainen <ville.voutilainen@gmail.com>
969 * parser.c (cp_parser_perform_range_for_lookup): Change
970 the condition for deciding whether to use members.
972 2018-03-23 Marek Polacek <polacek@redhat.com>
975 * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
977 2018-03-23 Alexandre Oliva <aoliva@redhat.com>
980 * parser.c (cp_parser_alias_declaration): Call
981 parser_check_template_parameters.
984 * pt.c (resolve_typename_type): Drop assert that stopped
985 simplification to template-independent types. Add assert to
986 verify the initial scope is template dependent.
987 * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
988 Reparse the id expression as a type-name, not a declarator.
991 * init.c (build_vec_init): Error at parenthesized array init.
996 * cp-tree.h (temp_override): New template class, generalizing
997 a cleanup that was only used...
998 * parser.c (cp_parser_parameter_declaration_clause):
999 ... here for auto_is_implicit_function_template_parm_p.
1000 (cp_parser_gnu_attributes_opt): Use it here as well.
1001 (cp_parser_std_attribute): Likewise.
1003 2018-03-22 Marek Polacek <polacek@redhat.com>
1006 * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1009 2018-03-21 Jason Merrill <jason@redhat.com>
1011 PR c++/81311 - wrong C++17 overload resolution.
1012 * call.c (build_user_type_conversion_1): Remove C++17 code.
1013 (conv_binds_ref_to_prvalue): New.
1014 (build_over_call): Handle C++17 copy elision.
1015 (build_special_member_call): Only do C++17 copy elision here if the
1016 argument is already the right type.
1018 2018-03-21 Alexandre Oliva <aoliva@redhat.com>
1021 * init.c (build_vec_init): Silence error, former sorry,
1026 * parser.c (abort_fully_implicit_template_p): New.
1027 (cp_parser_skip_to_end_of_statement): Use it.
1028 (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1029 (finish_fully_implicit_template_p): Clear
1030 implicit_template_parms and implicit_template_scope.
1032 2018-03-21 Paolo Carlini <paolo.carlini@oracle.com>
1035 * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1036 error_mark_node when check_array_designated_initializer fails.
1038 2018-03-21 Jakub Jelinek <jakub@redhat.com>
1041 * cp-tree.h (genericize_compound_lvalue): Declare.
1042 * typeck.c (genericize_compound_lvalue): New function.
1043 (unary_complex_lvalue, cp_build_modify_expr): Use it.
1044 * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1045 and PREDECREMENT_EXPR in output and "m" constrained input operands with
1046 COMPOUND_EXPR. Call cxx_mark_addressable on the rightmost
1047 COMPOUND_EXPR operand.
1049 2018-03-21 Nathan Sidwell <nathan@acm.org>
1052 * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1053 * decl2.c (vague_linkage_p): Likewise.
1055 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1058 * constexpr.c (constexpr_fn_retval): Make non-"static".
1059 * cp-tree.h (constexpr_fn_retval): New decl.
1060 * search.c (direct_accessor_p): Update leading comment.
1061 (reference_accessor_p): Likewise.
1062 (field_accessor_p): Replace check that function body is a
1063 RETURN_EXPR with a call to constexpr_fn_retval. Fix
1064 indentation of "field_type" decl.
1066 2018-03-21 Nathan Sidwell <nathan@acm.org>
1069 * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1072 2018-03-21 Martin Sebor <msebor@redhat.com>
1075 * call.c (first_non_public_field): New template and function.
1076 (first_non_trivial_field): New function.
1077 (maybe_warn_class_memaccess): Call them.
1079 2018-03-21 David Malcolm <dmalcolm@redhat.com>
1082 * search.c (field_accessor_p): Use class_of_this_parm rather than
1083 type_of_this_parm, to check that "this" is a "const T *", rather
1086 2018-03-21 Nathan Sidwell <nathan@acm.org>
1088 * class.c (finish_struct_anon_r): Refactor, deprecate anything
1089 other than public non-static data members.
1090 * parser.c (cp_parser_init_declarator): Deprecate attributes after
1091 parenthesized initializer.
1094 * name-lookup.c (update_binding): Correct logic for local binding
1097 2018-03-21 Marek Polacek <polacek@redhat.com>
1099 PR c++/71638, ICE with NSDMI and reference.
1100 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1101 even when we replace an element.
1103 2018-03-20 Marek Polacek <polacek@redhat.com>
1105 PR c++/84978, ICE with NRVO.
1106 * constexpr.c (cxx_eval_constant_expression): Handle the case when
1107 a RESULT_DECL isn't in the hash map.
1109 2018-03-20 Jason Merrill <jason@redhat.com>
1111 PR c++/84978, ICE with NRVO.
1112 * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1113 (cp_get_callee_fndecl_nofold): New.
1114 * cp-gimplify.c (cp_genericize_r): Use it instead.
1115 * call.c (check_self_delegation): Likewise.
1117 2018-03-20 Nathan Sidwell <nathan@acm.org>
1120 * name-lookup.c (pushdecl_class_level): Push anon-struct's
1121 member_vec, if there is one.
1124 * cp-tree.h (lookup_list_keep): Declare.
1125 * tree.c (lookup_list_keep): New, broken out of ...
1126 (build_min): ... here. Call it.
1127 * decl.c (cp_finish_decl): Call lookup_list_keep.
1129 2018-03-19 Jason Merrill <jason@redhat.com>
1131 PR c++/84937 - ICE with class deduction and auto.
1132 * pt.c (rewrite_template_parm): Fix auto handling.
1134 2018-03-19 Marek Polacek <polacek@redhat.com>
1137 * pt.c (enclosing_instantiation_of): Check if fn is null.
1140 * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1141 as we evaluate the elements.
1142 (cxx_eval_constant_expression): Verify constructor's flags
1145 2018-03-19 Jason Merrill <jason@redhat.com>
1147 PR c++/71834 - template-id with too few arguments.
1148 * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1150 2018-03-19 Nathan Sidwell <nathan@acm.org>
1153 * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1154 * pt.c (build_template_decl): Propagate language linkage.
1157 * name-lookup.c (set_local_extern_decl_linkage): Defend against
1160 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1163 * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1165 * method.c (synthesize_method): Likewise.
1166 * pt.c (convert_nontype_argument): Likewise.
1168 2018-03-16 Jason Merrill <jason@redhat.com>
1170 PR c++/84720 - ICE with rvalue ref non-type argument.
1171 * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1172 (convert_nontype_argument): Revert earlier change.
1174 PR c++/80227 - SFINAE and negative array size.
1175 * decl.c (compute_array_index_type): Use
1176 build_converted_constant_expr and valid_constant_size_p.
1178 PR c++/84906 - silent wrong code with ambiguous conversion.
1179 * call.c (build_user_type_conversion_1): Set need_temporary_p on
1180 ambiguous conversion.
1181 (convert_like_real): Check it.
1183 PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1184 * call.c (build_special_member_call): Don't convert an init-list
1185 argument directly to the class type.
1187 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1191 * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1192 (find_placeholder): Declare.
1193 * tree.c (struct replace_placeholders_t): Add exp member.
1194 (replace_placeholders_r): Don't walk into ctors with
1195 CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1196 d->exp. Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1197 (replace_placeholders): Initialize data.exp.
1198 (find_placeholders_r, find_placeholders): New functions.
1199 * typeck2.c (process_init_constructor_record,
1200 process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1201 if adding NSDMI on which find_placeholder returns true.
1202 * call.c (build_over_call): Don't call replace_placeholders here.
1203 * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1204 TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1205 TARGET_EXPR_INITIAL.
1206 (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1209 2018-03-16 Jason Merrill <jason@redhat.com>
1211 PR c++/83911 - ICE with multiversioned constructor.
1212 * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1214 * call.c (build_over_call): Not here.
1216 2018-03-16 Jakub Jelinek <jakub@redhat.com>
1219 * decl.c (reshape_init_class): Don't assert d->cur->index == field
1220 if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1222 2018-03-15 Jakub Jelinek <jakub@redhat.com>
1225 * cp-tree.h (cp_warn_deprecated_use): Declare.
1226 * tree.c (cp_warn_deprecated_use): New function.
1227 * typeck2.c (build_functional_cast): Use it.
1228 * decl.c (grokparms): Likewise.
1229 (grokdeclarator): Likewise. Temporarily push nested class scope
1230 around grokparms call for out of class member definitions.
1232 2018-03-14 Jason Merrill <jason@redhat.com>
1234 PR c++/84820 - no error for invalid qualified-id.
1235 * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1236 cp_error_declarator.
1238 PR c++/84801 - ICE with unexpanded pack in lambda.
1239 * pt.c (check_for_bare_parameter_packs): Don't return early for a
1240 lambda in non-template context.
1242 PR c++/81236 - auto variable and auto function
1243 * pt.c (tsubst_baselink): Update the type of the BASELINK after
1246 2018-03-14 Jason Merrill <jason@redhat.com>
1248 PR c++/83916 - ICE with template template parameters.
1249 * pt.c (convert_template_argument): Don't substitute into type of
1250 non-type parameter if we don't have enough arg levels.
1253 2018-03-14 Marek Polacek <polacek@redhat.com>
1256 * semantics.c (finish_static_assert): Check
1257 instantiation_dependent_expression_p instead of
1258 {type,value}_dependent_expression_p.
1260 2018-03-13 Paolo Carlini <paolo.carlini@oracle.com>
1261 Jason Merrill <jason@redhat.com>
1263 PR c++/82336 - link error with list-init default argument.
1264 * decl.c (check_default_argument): Unshare an initializer list.
1266 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1269 * decl.c (duplicate_decls): For redefinition of built-in, use error
1270 and return error_mark_node. For redeclaration, return error_mark_node
1271 rather than olddecl if !flag_permissive.
1273 2018-03-13 Jason Merrill <jason@redhat.com>
1275 PR c++/82565 - ICE with concepts and generic lambda.
1276 * pt.c (instantiate_decl): Clear fn_context for lambdas.
1278 2018-03-13 Jason Merrill <jason@redhat.com>
1280 PR c++/84720 - ICE with rvalue ref non-type argument.
1281 * pt.c (convert_nontype_argument): Handle rvalue references.
1283 PR c++/84839 - ICE with decltype of parameter pack.
1284 * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1285 instantiating dummy parms.
1287 * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1288 parameter even without -Wpedantic.
1290 PR c++/84798 - ICE with auto in abstract function declarator.
1291 * parser.c (cp_parser_parameter_declaration_clause): Check
1292 parser->default_arg_ok_p.
1294 2018-03-13 Jakub Jelinek <jakub@redhat.com>
1297 * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1298 first potential CONSTRUCTOR_ELTS reallocation. Convert dindex to
1299 sizetype. Formatting fixes.
1301 2018-03-12 Jason Merrill <jason@redhat.com>
1303 PR c++/84355 - ICE with deduction for member class template.
1304 * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1305 CLASS_PLACEHOLDER_TEMPLATE.
1307 PR c++/84802 - ICE capturing uninstantiated class.
1308 * lambda.c (build_capture_proxy): Call complete_type.
1310 2018-03-09 Jason Merrill <jason@redhat.com>
1312 PR c++/84770 - ICE with typedef and parameter pack.
1313 * pt.c (verify_unstripped_args_1): Split out from
1314 verify_unstripped_args.
1316 PR c++/84785 - ICE with alias template and default targs.
1317 * pt.c (type_unification_real): Set processing_template_decl if
1320 PR c++/84752 - ICE with capture of constexpr array.
1321 * call.c (standard_conversion): Set rvaluedness_matches_p on the
1322 identity conversion under ck_lvalue.
1324 2018-03-09 Jason Merrill <jason@redhat.com>
1325 Paolo Carlini <paolo.carlini@oracle.com>
1329 * pt.c (any_erroneous_template_args_p): New.
1330 * cp-tree.h (any_erroneous_template_args_p): Declare it.
1331 * parser.c (cp_parser_class_specifier_1): Use it.
1333 2018-03-09 Jason Merrill <jason@redhat.com>
1335 PR c++/84726 - unnecessary capture of constant vars.
1336 * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1337 (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1338 * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1339 * lambda.c (is_constant_capture_proxy)
1340 (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1341 (prune_lambda_captures): New.
1342 (finish_lambda_function): Call prune_lambda_captures.
1344 2018-03-09 Jason Merrill <jason@redhat.com>
1345 Jakub Jelinek <jakub@redhat.com>
1348 * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1349 build ADDR_EXPR with REFERENCE_TYPE.
1350 (build_over_call): For purposes of check_function_arguments, if
1351 argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1352 its operand rather than the argument itself.
1354 2018-03-09 Jakub Jelinek <jakub@redhat.com>
1357 * decl.c (duplicate_decls): Don't override __* prefixed builtins
1358 except for __[^b]*_chk, instead issue permerror and for -fpermissive
1359 also a note and return olddecl.
1361 2018-03-09 Nathan Sidwell <nathan@acm.org>
1364 * name-lookup.c (do_pushdecl_with_scope): Only clear
1365 current_function_decl when pushing a non-class (i.e. namespace)
1368 2018-03-08 Jason Merrill <jason@redhat.com>
1369 Jakub Jelinek <jakub@redhat.com>
1372 * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1373 not calling mark_used for the benefit of -Wunused-function warning.
1375 2018-03-06 Jason Merrill <jason@redhat.com>
1377 * lambda.c (is_capture_proxy_with_ref): Remove.
1378 * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1380 2018-03-06 Marek Polacek <polacek@redhat.com>
1383 * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1386 2018-03-06 Alexandre Oliva <aoliva@redhat.com>
1389 * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1390 only while processing template decls.
1391 * typeck.c (build_x_conditional_expr): Move wrapping of
1392 reference type around type...
1393 * call.c (build_conditional_expr_1): ... here. Rename
1394 is_lvalue to is_glvalue.
1395 * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1396 INDIRECT_REF of COND_EXPR too.
1399 * init.c (build_zero_init_1): Zero-initialize references.
1402 * semantics.c (finish_stmt_expr_expr): Reject unresolved
1403 overloads used as stmt expr values.
1405 2018-03-05 Jason Merrill <jason@redhat.com>
1407 PR c++/84708 - ICE with lambda in local class NSDMI.
1408 * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1411 2018-03-05 Jakub Jelinek <jakub@redhat.com>
1414 * constexpr.c (constexpr_call_hasher::equal): Return false if
1415 lhs->hash != rhs->hash. Change return 1 to return true and
1416 return 0 to return false.
1418 2018-03-05 Nathan Sidwell <nathan@acm.org>
1421 * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1423 2018-03-05 Marek Polacek <polacek@redhat.com>
1426 * decl.c (duplicate_decls): Check DECL_NAME before accessing
1429 2018-03-05 Nathan Sidwell <nathan@acm.org>
1432 * friend.c (do_friend): Restore check for identifier_p inside
1435 2018-03-05 Paolo Carlini <paolo.carlini@oracle.com>
1438 * parser.c (cp_parser_lambda_introducer): Reject any capture not
1439 involving a VAR_DECL or a PARM_DECL.
1441 2018-03-05 Pádraig Brady <P@draigBrady.com>
1442 Jason Merrill <jason@redhat.com>
1443 Nathan Sidwell <nathan@acm.org>
1446 * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1448 2018-03-03 Jason Merrill <jason@redhat.com>
1450 PR c++/84686 - missing volatile loads.
1451 * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1453 2018-03-03 Paolo Carlini <paolo.carlini@oracle.com>
1456 * optimize.c (maybe_thunk_body): Bail out immediately if either
1457 fns[0] or fns[1] is null.
1459 2018-03-02 Marek Polacek <polacek@redhat.com>
1462 * constexpr.c (get_array_or_vector_nelts): New.
1463 (cxx_eval_array_reference): Use it.
1464 (cxx_eval_vec_init_1): Likewise.
1465 (cxx_eval_store_expression): Likewise.
1467 2018-03-02 Jason Merrill <jason@redhat.com>
1469 * semantics.c (force_paren_expr): Remove redundant test.
1471 2018-03-02 Marek Polacek <polacek@redhat.com>
1474 * decl.c (cp_complete_array_type): Check error_mark_node.
1477 * typeck.c (cp_perform_integral_promotions): Check the result of
1480 2018-03-02 Jakub Jelinek <jakub@redhat.com>
1483 * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1484 RETURN instead of return.
1485 <case POINTER_PLUS_EXPR>: Likewise.
1486 <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1487 it instead of wrapping it into CONVERT_EXPR.
1489 2018-03-02 Jason Merrill <jason@redhat.com>
1492 * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1494 2018-03-02 Marek Polacek <polacek@redhat.com>
1497 * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1498 wrapped in VIEW_CONVERT_EXPR.
1500 2018-03-01 Martin Sebor <msebor@redhat.com>
1503 * decl.c (check_redeclaration_no_default_args): Merge attributes
1504 specified on redeclarations of the same function template.
1507 2018-03-01 Marek Polacek <polacek@redhat.com>
1508 Jason Merrill <jason@redhat.com>
1511 * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1513 (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1514 * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1515 of instantiate_non_dependent_expr.
1516 * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1518 2018-03-01 Nathan Sidwell <nathan@acm.org>
1521 * name-lookup.c (member_vec_dedup): Remove manually peeled
1522 iteration. Ignore dependent ctor inheritance.
1524 2018-03-01 Jason Merrill <jason@redhat.com>
1526 PR c++/71569 - decltype of template.
1527 * parser.c (cp_parser_decltype_expr): Handle missing template args.
1529 2018-03-01 Marek Polacek <polacek@redhat.com>
1532 * constexpr.c (require_rvalue_constant_expression): New function.
1533 * cp-tree.h: Declare it.
1534 * semantics.c (finish_static_assert): Use it instead of
1535 require_potential_rvalue_constant_expression.
1537 2018-03-01 Jason Merrill <jason@redhat.com>
1538 Alexandre Oliva <aoliva@redhat.com>
1540 PR c++/71569 - ICE with redundant args on member variable template.
1541 * decl.c (start_decl): Handle partial specialization of member
1543 * pt.c (determine_specialization): Allow partial specialization
1544 of member variable template without specializing enclosing class.
1545 (process_partial_specialization): Improve error message.
1547 2018-02-28 Jason Merrill <jason@redhat.com>
1549 PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1550 * pt.c (determine_specialization): Check ref-qualifier.
1552 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1555 * parser.c (cp_parser_attributes_opt): Formatting fix.
1556 (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1557 cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1559 (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1560 instead of tentative parse to peek over optional attribute tokens
1561 to check for CPP_COLON after them.
1565 * pt.c (INCLUDE_STRING): Remove define.
1566 (warn_spec_missing_attributes): Use pretty_printer instead of
1567 std::string. Fix up inform call so that the list of attributes
1570 2018-02-28 Martin Sebor <msebor@redhat.com>
1573 * decl.c (duplicate_decls): Fully merge attributes const, pure,
1576 2018-02-28 Nathan Sidwell <nathan@acm.org>
1579 * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1580 * name-lookup.c (fields_linear_search): Look in an anon-aggr
1581 regardless of want_type.
1582 (search_anon_aggr): Just use get_class_binding_direct.
1584 2018-02-28 Jakub Jelinek <jakub@redhat.com>
1586 * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1589 2018-02-27 Martin Sebor <msebor@redhat.com>
1591 * pt.c: Avoid including <string> directly.
1593 2018-02-27 Martin Sebor <msebor@redhat.com>
1597 * cp-tree.h (warn_spec_missing_attributes): New function.
1598 ((check_explicit_specialization): Add an argument. Call the above
1600 * decl.c (duplicate_decls): Avoid applying primary function template's
1601 attributes to its explicit specializations.
1602 cp/pt.c (warn_spec_missing_attributes): Define.
1604 2018-02-27 HÃ¥kon Sandsmark <hsandsmark@gmail.com>
1606 PR c++/71546 - lambda init-capture with qualified-id.
1607 * parser.c (cp_parser_lambda_introducer): Clear scope after
1608 each lambda capture.
1610 2018-02-27 Nathan Sidwell <nathan@acm.org>
1613 * name-lookup.h (get_member_slot): Rename ...
1614 (find_member_slot): ... here.
1615 (add_member_slot): New.
1616 * name-lookup.c (member_vec_linear_search): No need to check for
1618 (get_member_slot): Rename ...
1619 (find_member_slot): ... here. Don't add slot for incomplete class.
1620 (add_member_slot): New.
1621 * class.c (add_method): Adjust get_member_slot rename. Bail out
1622 if push_class_level_binding fails. Create slot and grok
1623 properties once we're committed to insertion.
1625 2018-02-27 Jason Merrill <jason@redhat.com>
1627 PR c++/84489 - dependent default template argument
1628 * pt.c (type_unification_real): Handle early substitution failure.
1630 2018-02-26 Jason Merrill <jason@redhat.com>
1632 PR c++/84560 - ICE capturing multi-dimensional VLA.
1633 * tree.c (array_of_runtime_bound_p): False if the element is
1636 PR c++/84441 - ICE with base initialized from ?:
1637 * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1639 PR c++/84520 - ICE with generic lambda in NSDMI.
1640 * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1641 'this' in a generic lambda instantiation.
1643 PR c++/84559 - ICE with constexpr VLA.
1644 * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1645 for constexpr variable with VLA type.
1647 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1650 * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1651 a valid constant initializer. Formatting fixes.
1653 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1656 * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1657 returning NULL_TREE.
1658 (apply_late_template_attributes): Likewise.
1660 2018-02-26 Jakub Jelinek <jakub@redhat.com>
1663 * parser.c (cp_parser_omp_var_list_no_open): Only call
1664 cp_parser_lookup_name_simple on names satisfying identifier_p.
1665 (cp_parser_oacc_routine): Likewise.
1667 2018-02-26 Jason Merrill <jason@redhat.com>
1669 PR c++/84551 - ICE with concepts and -g.
1670 * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1672 2018-02-26 Marek Polacek <polacek@redhat.com>
1675 * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1678 2018-02-26 Jason Merrill <jason@redhat.com>
1680 PR c++/84447 - ICE with deleted inherited ctor with default arg.
1681 * call.c (build_over_call): Handle deleted functions in one place.
1683 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1686 * decl.c (redeclaration_error_message): Don't try to use
1687 DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1689 2018-02-26 Paolo Carlini <paolo.carlini@oracle.com>
1691 * lambda.c (build_capture_proxy): Define static.
1692 * cp-tree.h (build_capture_proxy): Remove.
1694 2018-02-26 Marek Polacek <polacek@redhat.com>
1697 * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1698 if name is error node.
1700 2018-02-25 Jason Merrill <jason@redhat.com>
1702 PR c++/84015 - ICE with class deduction and auto template parm.
1703 * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1705 2018-02-24 Marek Polacek <polacek@redhat.com>
1708 * constexpr.c (maybe_constant_init_1): New function.
1709 (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1710 (cxx_constant_init): New function.
1711 * cp-tree.h (cxx_constant_init): Declare.
1712 * typeck2.c (store_init_value): Call cxx_constant_init instead of
1713 cxx_constant_value. Move the maybe_constant_init call under an 'else'.
1715 2018-02-22 Jason Merrill <jason@redhat.com>
1717 PR c++/70468 - ICE with constructor delegation via typedef.
1718 * pt.c (tsubst_initializer_list): Check for other mem-initializers
1719 with constructor delegation.
1721 2018-02-22 Jason Merrill <jason@redhat.com>
1723 PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1724 * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1727 2018-02-22 Marek Polacek <polacek@redhat.com>
1730 * parser.c (cp_parser_braced_list): Use require_open instead of
1733 2018-02-21 Jason Merrill <jason@redhat.com>
1735 PR c++/84454 - ICE with pack expansion in signature.
1736 * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1738 2018-02-20 Siddhesh Poyarekar <siddhesh@sourceware.org>
1740 * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1743 2018-02-20 Paolo Carlini <paolo.carlini@oracle.com>
1746 * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1749 2018-02-20 Jakub Jelinek <jakub@redhat.com>
1752 * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1753 TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1756 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1757 returns error_mark_node, return it immediately.
1758 (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1759 error_mark_node, return error_mark_node.
1762 * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1763 function_depth to avoid GC during finish_lambda_function.
1765 2018-02-19 Jason Merrill <jason@redhat.com>
1767 PR c++/84429 - ICE capturing VLA.
1768 * lambda.c (build_capture_proxy): Handle reference refs.
1770 2018-02-19 Jakub Jelinek <jakub@redhat.com>
1773 * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1774 either operand is error_mark_node, set current.lhs to that instead of
1775 creating a binary op with error_mark_node operands.
1778 * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1780 2018-02-19 Paolo Carlini <paolo.carlini@oracle.com>
1783 * decl.c (grokdeclarator): Early return error_mark_node upon
1784 ill-formed friend declaration.
1786 2018-02-16 Marek Polacek <polacek@redhat.com>
1787 Jakub Jelinek <jakub@redhat.com>
1790 * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1791 set *jump_target to anything if jump_target is NULL.
1793 2018-02-16 Jason Merrill <jason@redhat.com>
1795 PR c++/84151 - unnecessary volatile load with static member.
1796 * call.c (build_new_method_call_1): Avoid loading from a volatile
1797 lvalue used as the object argument for a static member function.
1799 PR c++/81853 - using-directive and constexpr.
1800 * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1802 PR c++/84420 - ICE with structured binding in lambda.
1803 * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1805 PR c++/83835 - C++17 error with constructor ctors.
1806 * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1808 PR c++/82664 - ICE with reference to function template parm.
1809 * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1812 PR c++/82764 - C++17 ICE with empty base
1813 * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1815 2018-02-16 Jason Merrill <jason@redhat.com>
1817 PR c++/84421 - type-dependent if constexpr
1818 * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1820 2018-02-16 Nathan Sidwell <nathan@acm.org>
1822 Deprecate -ffriend-injection.
1823 * decl.c (cxx_init_decl_processing): Emit warning on option.
1824 * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1827 2018-02-16 Paolo Carlini <paolo.carlini@oracle.com>
1830 * decl.c (check_special_function_return_type): Reject template
1831 template parameter in deduction guide.
1833 2018-02-16 Nathan Sidwell <nathan@acm.org>
1836 * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1838 2018-02-15 Jason Merrill <jason@redhat.com>
1840 PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1841 * call.c (convert_like_real): Don't use the copy-list-initialization
1842 shortcut for ck_base.
1844 PR c++/84045 - ICE with typedef and noexcept.
1845 * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1847 PR c++/84376 - ICE with omitted template arguments.
1848 * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1850 PR c++/84368 - wrong error with local variable in variadic lambda.
1851 * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1852 local_specializations.
1854 2018-02-15 Paolo Carlini <paolo.carlini@oracle.com>
1857 * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1860 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1863 * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1866 2018-02-14 Nathan Sidwell <nathan@acm.org>
1868 * decl2.c (mark_vtable_entries): Set input_location to decl's.
1869 (c_parse_final_cleanups): Restore input_location after emitting
1872 2018-02-14 Paolo Carlini <paolo.carlini@oracle.com>
1874 * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1875 (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1876 auto_deduction_context, tree, int): Add defaults.
1877 * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1878 (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1879 tsubst_flags_t argument.
1880 * init.c (build_new): Likewise.
1882 2018-02-13 Jakub Jelinek <jakub@redhat.com>
1885 * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1886 about return other than *this in assignment operators if
1887 retval is type dependent expression.
1889 2018-02-13 Paolo Carlini <paolo.carlini@oracle.com>
1892 * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1893 save_expr for the G++ extension.
1895 2018-02-13 Jason Merrill <jason@redhat.com>
1897 PR c++/84080 - ICE with return type deduction and specialization.
1898 * pt.c (determine_specialization): Check uses_template_parms.
1900 Fix more variadic capture issues.
1901 * pt.c (find_parameter_packs_r): Also look at explicit captures.
1902 (check_for_bare_parameter_packs): Check current_class_type for
1904 (extract_locals_r): Handle seeing a full instantiation of a pack.
1905 (tsubst_pack_expansion): Likewise. Force lambda capture.
1906 * parser.c (cp_parser_lambda_introducer): Don't
1907 check_for_bare_parameter_packs.
1909 PR c++/84338 - wrong variadic sizeof.
1910 * pt.c (argument_pack_select_arg): Like the macro, but look through
1912 (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1913 (extract_fnparm_pack): Do make_pack_expansion.
1914 (extract_locals_r): Do strip a pack expansion.
1915 * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1917 2018-02-12 Jakub Jelinek <jakub@redhat.com>
1920 * parser.c (cp_parser_binary_expression): Use build_min instead of
1921 build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1923 2018-02-12 Nathan Sidwell <nathan@acm.org>
1926 * parser.c (cp_parser_decltype): Push and pop
1927 deferring_access_checks. Reorganize to avoid goto.
1929 2018-02-12 Richard Biener <rguenther@suse.de>
1932 * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1933 uniform constructors and delay allocating them fully.
1935 2018-02-09 Jason Merrill <jason@redhat.com>
1937 PR c++/84036 - ICE with variadic capture.
1938 Handle variadic capture proxies more like non-variadic.
1939 * lambda.c (build_capture_proxy): Remove workaround.
1940 * pt.c (find_parameter_packs_r): The proxy is a pack.
1941 (instantiate_class_template_1): Remove dead lambda code.
1942 (extract_fnparm_pack): Don't make_pack_expansion.
1943 (extract_locals_r): Don't strip a pack expansion.
1944 (tsubst_pack_expansion): Handle proxy packs. Use
1945 PACK_EXPANSION_EXTRA_ARGS less.
1946 (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1947 (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1948 [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1949 (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1950 (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1952 2018-02-10 Jakub Jelinek <jakub@redhat.com>
1955 * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1957 2018-02-09 Jason Merrill <jason@redhat.com>
1959 PR c++/81917 - ICE with void_t and partial specialization.
1960 * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1961 calling most_specialized_partial_spec.
1963 2018-02-09 Nathan Sidwell <nathan@acm.org>
1966 * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1967 Pass expr location to strict_aliasing_warning.
1969 2018-02-09 Jason Merrill <jason@redhat.com>
1971 PR c++/84296 - ICE with qualified-id in template.
1973 * pt.c (unknown_base_ref_p): New.
1974 (instantiation_dependent_scope_ref_p): Use it instead of
1975 any_dependent_bases_p.
1977 2018-02-09 Marek Polacek <polacek@redhat.com>
1978 Jakub Jelinek <jakub@redhat.com>
1981 * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1982 fold_indirect_ref_1, including poly_*int64. Verify first that
1983 tree_fits_poly_int64_p (op01). Formatting fixes.
1985 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1987 * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1988 * lambda.c (build_capture_proxy): Likewise.
1989 * search.c (field_access_p): Likewise.
1990 * semantics.c (omp_clause_decl, omp_privatize_field,
1991 finish_omp_clauses): Likewise.
1993 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
1996 * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1997 case of nullptr too.
1999 2018-02-08 Nathan Sidwell <nathan@acm.org>
2001 * class.c (finish_struct): Fix std:initializer_list diagnostic
2004 2018-02-08 Paolo Carlini <paolo.carlini@oracle.com>
2007 * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2009 2018-02-07 Jakub Jelinek <jakub@redhat.com>
2012 * parser.c (cp_parser_dot_deref_incomplete): New function.
2013 (cp_parser_postfix_dot_deref_expression): Use it.
2015 2018-02-07 David Malcolm <dmalcolm@redhat.com>
2019 * name-lookup.c (suggest_rid_p): New function.
2020 (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2023 2018-02-07 Jason Merrill <jason@redhat.com>
2025 PR c++/84182 - ICE with captured lambda
2027 * pt.c (extract_locals_r, extract_local_specs): New.
2028 (tsubst_pack_expansion): Use them.
2030 2018-02-07 Martin Liska <mliska@suse.cz>
2033 * class.c (add_method): Append argument value.
2034 * cp-tree.h (maybe_version_functions): Add new argument.
2035 * decl.c (decls_match): Call it if a declaration does not
2036 have DECL_FUNCTION_VERSIONED.
2037 (maybe_version_functions): record argument is added.
2039 2018-02-05 Marek Polacek <polacek@redhat.com>
2041 * class.c: Remove unused global variables.
2042 (build_primary_vtable): Don't gather statistics.
2043 (print_class_statistics): Remove.
2044 * cp-tree.h (print_class_statistics): Remove.
2045 * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2047 2018-02-02 Paolo Carlini <paolo.carlini@oracle.com>
2049 * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2050 * constexpr.c (cx_check_missing_mem_inits): Likewise.
2051 * decl.c (next_initializable_field, find_decomp_class_base,
2052 cp_finish_decomp): Likewise.
2053 * typeck2.c (process_init_constructor_record): Likewise.
2055 2018-02-02 Jason Merrill <jason@redhat.com>
2057 PR c++/84181 - ICE with lambda parm in template argument.
2058 * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2060 2018-02-01 Jason Merrill <jason@redhat.com>
2062 PR c++/84160 - ICE with nested variadic capture.
2063 * lambda.c (is_capture_proxy_with_ref): New.
2064 (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2066 * expr.c (mark_use): Use is_capture_proxy_with_ref.
2067 * constexpr.c (potential_constant_expression_1): Likewise.
2068 * semantics.c (process_outer_var_ref): Likewise.
2070 2018-02-01 Marek Polacek <polacek@redhat.com>
2073 * typeck.c (build_address): Relax the assert when
2074 processing_template_decl.
2076 2018-02-01 Jason Merrill <jason@redhat.com>
2078 PR c++/84126 - ICE with variadic generic lambda
2081 * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2082 PACK_EXPANSION_EXTRA_ARGS.
2084 2018-02-01 Paolo Carlini <paolo.carlini@oracle.com>
2087 * call.c (convert_like_real): If w're initializing from {} explicitly
2088 call abstract_virtuals_error_sfinae.
2090 2018-01-31 Jason Merrill <jason@redhat.com>
2091 Jakub Jelinek <jakub@redhat.com>
2094 * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2095 around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2098 2018-01-31 Jakub Jelinek <jakub@redhat.com>
2101 * constexpr.c (diag_array_subscript): Emit different diagnostics
2102 if TYPE_DOMAIN (arraytype) is NULL.
2103 (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2104 with NULL TYPE_DOMAIN use size_zero_node as nelts.
2106 2018-01-31 Paolo Carlini <paolo.carlini@oracle.com>
2109 * semantics.c (finish_qualified_id_expr): When handling an
2110 UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2112 2018-01-31 Marek Polacek <polacek@redhat.com>
2115 * cp-gimplify.c (cp_fold): Check if X is an error node before
2116 calling useless_type_conversion_p.
2118 2018-01-30 Jason Merrill <jason@redhat.com>
2120 PR c++/84091 - ICE with local class in lambda in template.
2121 * decl2.c (determine_visibility): Look for outer containing template
2124 PR c++/84098 - ICE with lambda in template NSDMI.
2125 * pt.c (instantiate_class_template_1): Ignore more lambdas.
2127 2018-01-29 Jason Merrill <jason@redhat.com>
2129 PR c++/68810 - wrong location for reinterpret_cast error.
2130 * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2133 2018-01-29 Marek Polacek <polacek@redhat.com>
2136 * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2137 => fooarray[1] in offset_int.
2139 2018-01-29 Jason Merrill <jason@redhat.com>
2141 PR c++/83942 - wrong unused warning with static_cast.
2142 * cvt.c (ocp_convert): Call mark_rvalue_use.
2144 2018-01-26 Jason Merrill <jason@redhat.com>
2146 PR c++/83956 - wrong dtor error with anonymous union
2147 * method.c (walk_field_subobs): Variant members only affect
2149 (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2151 PR c++/84036 - ICE with variadic capture.
2153 * pt.c (tsubst_pack_expansion): When optimizing a simple
2154 substitution, pull a single pack expansion out of its pack.
2156 PR c++/82514 - ICE with local class in generic lambda.
2157 * pt.c (regenerated_lambda_fn_p): Remove.
2158 (enclosing_instantiation_of): Don't use it.
2159 (tsubst_function_decl): Call enclosing_instantiation_of.
2161 * pt.c (lookup_template_class_1): Add sanity check.
2162 * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2164 2018-01-25 Jakub Jelinek <jakub@redhat.com>
2167 * decl.c (find_decomp_class_base): Ignore unnamed bitfields. Ignore
2168 recursive calls that return ret.
2169 (cp_finish_decomp): Ignore unnamed bitfields.
2171 2018-01-23 Jason Merrill <jason@redhat.com>
2173 PR c++/82249 - wrong mismatched pack length error.
2174 * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2175 unsubstituted function parameter pack.
2177 2018-01-23 Paolo Carlini <paolo.carlini@oracle.com>
2180 * decl.c (check_for_uninitialized_const_var): Not static; add
2181 bool and tsubst_flags_t parameters; adjust to be used both in
2182 constexpr context and not.
2183 * constexpr.c (potential_constant_expression_1): Use the above.
2184 * cp-tree.h (check_for_uninitialized_const_var): Declare.
2186 2018-01-23 Jason Merrill <jason@redhat.com>
2188 PR c++/83947 - ICE with auto declarations.
2189 * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2190 * decl.c (undeduced_auto_decl): Limit to vars and fns.
2192 2018-01-23 David Malcolm <dmalcolm@redhat.com>
2195 * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2196 for pointer to member function types.
2198 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2201 * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2202 DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2204 2018-01-23 Nathan Sidwell <nathan@acm.org>
2207 * pt.c (tsubst_baselink): Remove optype assert.
2208 * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2210 2018-01-23 Jakub Jelinek <jakub@redhat.com>
2213 * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2214 refers to incomplete type.
2216 2018-01-23 Nathan Sidwell <nathan@acm.org>
2218 Deprecate ARM-era for scope handling
2219 * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2220 (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2222 * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2224 * semantics.c (begin_for_scope): Flag_new_for_scope is
2226 (finish_for_stmt, begin_range_for_stmt): Likewise.
2228 2018-01-22 Jason Merrill <jason@redhat.com>
2231 * decl2.c (determine_visibility): Fix template_decl handling
2232 instead of blocking it.
2234 PR c++/83720 - ICE with lambda and LTO.
2235 * decl2.c (determine_visibility): Clear template_decl for
2236 function-scope decls. Propagate anonymous linkage from containing
2239 2018-01-22 Marek Polacek <polacek@redhat.com>
2242 * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2245 2018-01-22 Ville Voutilainen <ville.voutilainen@gmail.com>
2248 * decl.c (grokdeclarator): Don't diagnose extra parens
2251 2018-01-19 Jakub Jelinek <jakub@redhat.com>
2254 * call.c (joust): Use TREE_TYPE (source) if source is
2255 a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2258 * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2259 for direct enum init.
2260 * decl.c (reshape_init): Likewise.
2262 2018-01-19 Marek Polacek <polacek@redhat.com>
2264 * constexpr.c (fold_simple): Simplify.
2266 2018-01-18 Jason Merrill <jason@redhat.com>
2269 * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2270 * pt.c (instantiation_dependent_scope_ref_p): True if
2271 any_dependent_bases_p.
2273 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2275 * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2276 vs DECL_NONTRIVIALLY_INITIALIZED_P).
2278 2018-01-18 Jason Merrill <jason@redhat.com>
2280 PR c++/82461 - constexpr list-initialized member
2281 * constexpr.c (potential_constant_expression_1): Check
2282 TARGET_EXPR_DIRECT_INIT_P.
2284 2018-01-18 Paolo Carlini <paolo.carlini@oracle.com>
2287 * decl.c (xref_basetypes): Early return upon error about derived
2290 2018-01-18 Nathan Sidwell <nathan@acm.org>
2293 * cp-tree.h (mark_use): Declare.
2294 * expr.c (mark_use): Make extern.
2295 * call.c (direct_reference_binding): Set inner conv's
2296 rvaluedness_matches_p, if it is an identity.
2297 (convert_like_real): Mark lvalue or rvalue use for identity as
2298 rvaledness_matches_p demands.
2300 2018-01-18 Jakub Jelinek <jakub@redhat.com>
2303 * parser.c (attr_chainon): New function.
2304 (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2305 cp_parser_namespace_definition, cp_parser_init_declarator,
2306 cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2307 cp_parser_gnu_attributes_opt): Use it.
2308 (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2309 cp_parser_objc_struct_declaration): Likewise. Don't reset
2310 prefix_attributes if attributes is error_mark_node.
2312 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2315 * decl.c (grokdeclarator): Do not append the error_mark_node
2316 due to an erroneous optional attribute-specifier-seq.
2318 2018-01-17 Jakub Jelinek <jakub@redhat.com>
2321 * cp-gimplify.c (cp_maybe_instrument_return): Handle
2324 2018-01-17 Paolo Carlini <paolo.carlini@oracle.com>
2327 * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2328 error_mark_node when we give an error.
2329 * decl.c (cp_finish_decl): Use the latter.
2331 2018-01-17 Nathan Sidwell <nathan@acm.org>
2334 * init.c (build_raw_new_expr): Scan list for lookups to keep.
2336 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2339 * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2340 the C++ part. If processing a template, call
2341 fold_non_dependent_expr rather than fully folding.
2343 2018-01-17 Jason Merrill <jason@redhat.com>
2345 PR c++/81067 - redundant NULL warning.
2346 * call.c (convert_like_real): Restore null_node handling.
2348 2018-01-17 Jason Merrill <jason@redhat.com>
2350 PR c++/81843 - ICE with variadic member template.
2352 * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2355 2018-01-17 David Malcolm <dmalcolm@redhat.com>
2358 * pt.c (type_dependent_expression_p): Strip any location wrapper
2359 before testing tree codes.
2360 (selftest::test_type_dependent_expression_p): New function.
2361 (selftest::cp_pt_c_tests): Call it.
2363 2018-01-17 Nathan Sidwell <nathan@acm.org>
2366 * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2367 this not a final instantiation.
2369 2018-01-16 Jason Merrill <jason@redhat.com>
2371 PR c++/83714 - ICE checking return in template.
2372 * typeck.c (check_return_expr): Call build_non_dependent_expr.
2374 2018-01-16 Jakub Jelinek <jakub@redhat.com>
2377 * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2378 is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2379 instead of CALL_FROM_THUNK_P.
2382 * name-lookup.c (member_vec_dedup): Return early if len is 0.
2383 (resort_type_member_vec, set_class_bindings,
2384 insert_late_enum_def_bindings): Use vec qsort method instead of
2385 calling qsort directly.
2387 2018-01-15 Martin Sebor <msebor@redhat.com>
2390 * class.c (find_flexarrays): Make a record of multiple flexible array
2393 2018-01-12 Jason Merrill <jason@redhat.com>
2395 PR c++/83186 - ICE with static_cast of list-initialized temporary.
2396 * typeck.c (build_static_cast): Use build_non_dependent_expr.
2398 2018-01-12 Nathan Sidwell <nathan@acm.org>
2400 * cp-tree.h (mark_rvalue_use): Add parm name.
2401 * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2403 * call.c (convert_like_real): Fix formatting.
2405 2018-01-11 Jason Merrill <jason@redhat.com>
2407 PR c++/82728 - wrong -Wunused-but-set-variable
2410 * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2411 * decl.c (case_conversion): Likewise.
2412 * semantics.c (finish_static_assert): Call
2413 perform_implicit_conversion_flags.
2415 2018-01-11 Nathan Sidwell <nathan@acm.org>
2417 * method.c (enum mangling_flags): Delete long-dead enum.
2419 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2421 * parser.c (cp_parser_std_attribute_spec): When
2422 token_pair::require_open / require_close return false simply
2423 return error_mark_node, avoid duplicate cp_parser_error about
2424 expected '(' / ')', respectively.
2426 2018-01-10 David Malcolm <dmalcolm@redhat.com>
2429 * call.c (null_ptr_cst_p): Strip location wrappers when
2430 converting from '0' to a pointer type in C++11 onwards.
2431 (conversion_null_warnings): Replace comparison with null_node with
2432 call to null_node_p.
2433 (build_over_call): Likewise.
2434 * cp-gimplify.c (cp_fold): Remove the early bailout when
2435 processing_template_decl.
2436 * cp-lang.c (selftest::run_cp_tests): Call
2437 selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2438 * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2439 (selftest::run_cp_tests): Move decl to bottom of file.
2440 (null_node_p): New inline function.
2441 (selftest::cp_pt_c_tests): New decl.
2442 (selftest::cp_tree_c_tests): New decl.
2443 * cvt.c (build_expr_type_conversion): Replace comparison with
2444 null_node with call to null_node_p.
2445 * error.c (args_to_string): Likewise.
2446 * except.c (build_throw): Likewise.
2447 * mangle.c (write_expression): Skip location wrapper nodes.
2448 * parser.c (literal_integer_zerop): New function.
2449 (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2450 the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2451 param of cp_parser_parenthesized_expression_list. When calling
2452 warn_for_memset, replace integer_zerop calls with
2453 literal_integer_zerop, eliminating the double logical negation
2454 cast to bool. Eliminate the special-casing for CONST_DECL in
2455 favor of the fold_for_warn within warn_for_memset.
2456 (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2457 param, defaulting to false. Convert "expr" to a cp_expr, and call
2458 maybe_add_location_wrapper on it when wrap_locations_p is true.
2459 (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2460 the result for RID_ALIGNOF and RID_SIZEOF.
2461 (cp_parser_builtin_offsetof): Likewise.
2462 * pt.c: Include "selftest.h".
2463 (tsubst_copy): Handle location wrappers.
2464 (tsubst_copy_and_build): Likewise.
2465 (build_non_dependent_expr): Likewise.
2466 (selftest::test_build_non_dependent_expr): New function.
2467 (selftest::cp_pt_c_tests): New function.
2468 * tree.c: Include "selftest.h".
2469 (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2470 (selftest::test_lvalue_kind): New function.
2471 (selftest::cp_tree_c_tests): New function.
2472 * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2473 (cp_build_binary_op): Replace comparison with null_node with call
2475 (build_address): Use location of operand when building address
2478 2018-01-10 Marek Polacek <polacek@redhat.com>
2481 * call.c (build_conditional_expr_1): Check complain before warning.
2482 * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2483 -Wduplicated-branches.
2485 2018-01-10 Jakub Jelinek <jakub@redhat.com>
2488 * call.c (maybe_warn_class_memaccess): Add forward declaration.
2489 Change last argument from tree * to const vec<tree, va_gc> *, adjust
2490 args uses and check number of operands too. Don't strip away any
2491 nops. Use maybe_constant_value when looking for INTEGER_CST args.
2492 Deal with src argument not having pointer type. Check
2493 tree_fits_uhwi_p before calling tree_to_uhwi. Remove useless
2495 (build_over_call): Call maybe_warn_class_memaccess here on the
2497 (build_cxx_call): Rather than here on converted arguments.
2499 2018-01-10 Paolo Carlini <paolo.carlini@oracle.com>
2502 * init.c (build_vec_init): Avoid building an INIT_EXPR with
2503 error_mark_node as second argument.
2505 2018-01-09 Jakub Jelinek <jakub@redhat.com>
2508 * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2509 in STATEMENT_LIST. Remove unneeded assert.
2511 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2512 Alan Hayward <alan.hayward@arm.com>
2513 David Sherwood <david.sherwood@arm.com>
2515 * constexpr.c (cxx_eval_array_reference): Handle polynomial
2517 (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2518 * call.c (build_conditional_expr_1): Likewise.
2519 * decl.c (cp_finish_decomp): Likewise.
2520 * mangle.c (write_type): Likewise.
2521 * typeck.c (structural_comptypes): Likewise.
2522 (cp_build_binary_op): Likewise.
2523 * typeck2.c (process_init_constructor_array): Likewise.
2525 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2528 * typeck.c (build_static_cast_1): For static casts to reference types,
2529 call build_base_path with flag_delete_null_pointer_checks as nonnull
2530 instead of always false. When -fsanitize=null, call
2531 ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2532 * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2533 call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2535 2018-01-03 Nathan Sidwell <nathan@acm.org>
2538 * method.c (make_alias_for): Copy DECL_CONTEXT.
2540 2018-01-03 Marek Polacek <polacek@redhat.com>
2543 * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2545 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2547 PR preprocessor/83602
2548 * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2552 * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2553 error_mark_node, return error_mark_node.
2555 Update copyright years.
2557 2018-01-02 Jakub Jelinek <jakub@redhat.com>
2560 * tree.c (replace_placeholders_r): Pass NULL as last argument to
2561 cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
2562 non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2563 to false and return.
2564 (replace_placeholders): Pass NULL instead of &pset as last argument
2567 2018-01-02 Nathan Sidwell <nathan@acm.org>
2569 * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2572 Copyright (C) 2018 Free Software Foundation, Inc.
2574 Copying and distribution of this file, with or without modification,
2575 are permitted in any medium without royalty provided the copyright
2576 notice and this notice are preserved.