PR c++/58407 - deprecated implicit copy ops.
[official-gcc.git] / gcc / cp / ChangeLog
blobe4fcffca05bc271f04e9acf81a7aef2fd16ff302
1 2018-05-18  Jason Merrill  <jason@redhat.com>
3         PR c++/58407 - deprecated implicit copy ops.
4         * call.c (build_over_call): Warn about deprecated trivial fns.
5         * class.c (classtype_has_user_copy_or_dtor): New.
6         (type_build_ctor_call): Check TREE_DEPRECATED.
7         (type_build_dtor_call): Likewise.
8         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
9         Add checks.  Return bool.  Handle -Wdeprecated-copy.
10         (mark_used): Use it.
11         * decl.c (grokdeclarator): Remove redundant checks.
12         * typeck2.c (build_functional_cast): Likewise.
13         * method.c (lazily_declare_fn): Mark deprecated copy ops.
14         * init.c (build_aggr_init): Only set TREE_USED if there are
15         side-effects.
17 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
19         PR c++/85782
20         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
21         OACC_LOOPs.
23 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
25         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
26         (potential_constant_expression_1): Likewise.
28 2018-05-16  Marek Polacek  <polacek@redhat.com>
30         PR c++/85363
31         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
32         * tree.c (bot_manip): Call set_flags_from_callee for
33         AGGR_INIT_EXPRs too.
35 2018-05-15  Jason Merrill  <jason@redhat.com>
37         * cp-tree.h (cp_expr): Remove copy constructor.
38         * mangle.c (struct releasing_vec): Declare copy constructor.
40         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
42         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
43         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
44         is a throw-expression.
46 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
48         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
49         (FOR_EACH_CLONE): Update.
50         * decl.c (grokdeclarator): Use it.
51         * decl2.c (vague_linkage_p): Likewise.
52         * mangle.c (mangle_decl): Likewise.
53         * method.c (lazily_declare_fn): Likewise.
54         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
55         * repo.c (repo_emit_p): Likewise.
56         * tree.c (decl_linkage): Likewise.
58 2018-05-14  Jason Merrill  <jason@redhat.com>
60         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
61         * tree.c (build_cp_fntype_variant): New.
62         (build_ref_qualified_type, build_exception_variant)
63         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
64         (cxx_type_hash_eq, cp_check_qualified_type): Check
65         TYPE_HAS_LATE_RETURN_TYPE.
66         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
67         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
68         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
69         (adjust_clone_args): Likewise.
70         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
71         build_cp_fntype_variant.
72         (grokdeclarator): Pass late_return_type_p to grokfndecl.
73         (check_function_type): Use cxx_copy_lang_qualifiers.
74         (static_fn_type): Use cxx_copy_lang_qualifiers.
75         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
76         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
77         (change_return_type): Use cxx_copy_lang_qualifiers.
78         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
79         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
80         return type on the declarator like a normal trailing return type.
81         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
82         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
83         * typeck.c (merge_types): Use build_cp_fntype_variant.
85 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
87         * cp-tree.h (TYPE_REF_P): New.
88         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
89         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
90         direct_reference_binding, reference_binding, implicit_conversion,
91         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
92         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
93         build_over_call, perform_implicit_conversion_flags,
94         extend_ref_init_temps, type_has_extended_temps): Use it.
95         * class.c (one_inheriting_sig, check_field_decls,
96         check_bases_and_members, find_flexarrays, finish_struct,
97         fixed_type_or_null): Likewise.
98         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
99         non_const_var_error, cxx_eval_constant_expression,
100         potential_constant_expression_1): Likewise.
101         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
102         cp_genericize_r, cxx_omp_privatize_by_reference,
103         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
104         cp_fold_maybe_rvalue): Likewise.
105         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
106         * cvt.c (build_up_reference, convert_to_reference,
107         convert_from_reference, convert_to_void, noexcept_conv_p,
108         fnptr_conv_p): Likewise.
109         * decl.c (poplevel, check_for_uninitialized_const_var,
110         check_initializer, initialize_local_var, cp_finish_decl,
111         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
112         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
113         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
114         decl_maybe_constant_var_p): Likewise.
115         * error.c (dump_type_prefix, dump_expr): Likewise.
116         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
117         is_admissible_throw_operand_or_catch_parameter): Likewise.
118         * expr.c (mark_use): Likewise.
119         * init.c (build_zero_init_1, build_value_init_noctor,
120         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
121         build_new, build_delete): Likewise.
122         * lambda.c (build_lambda_object): Likewise.
123         * mangle.c (write_expression, write_template_arg): Likewise.
124         * method.c (forward_parm, do_build_copy_constructor,
125         do_build_copy_assign, build_stub_object, constructible_expr,
126         walk_field_subobs): Likewise.
127         * parser.c (cp_parser_omp_for_loop_init,
128         cp_parser_omp_declare_reduction_exprs,
129         cp_parser_omp_declare_reduction): Likewise.
130         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
131         convert_template_argument, tsubst_pack_expansion,
132         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
133         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
134         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
135         value_dependent_expression_p, build_deduction_guide): Likewise.
136         * semantics.c (finish_handler_parms, finish_non_static_data_member,
137         finish_compound_literal, omp_privatize_field,
138         handle_omp_array_sections_1, handle_omp_array_sections,
139         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
140         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
141         finish_omp_clauses, finish_decltype_type, capture_decltype,
142         finish_builtin_launder): Likewise.
143         * tree.c (lvalue_kind, cp_build_reference_type, move,
144         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
145         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
146         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
147         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
148         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
149         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
150         convert_for_initialization,
151         maybe_warn_about_returning_address_of_local, check_return_expr,
152         cp_type_quals, casts_away_constness, non_reference): Likewise.
153         * typeck2.c (cxx_readonly_error, store_init_value,
154         process_init_constructor_record, build_x_arrow, build_functional_cast,
155         add_exception_specifier): Likewise.
157 2018-05-14  Jason Merrill  <jason@redhat.com>
159         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
160         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
162 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
164         PR c/85696
165         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
166         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
167         cxx_omp_predetermined_sharing_1.  Rename old function to ...
168         (cxx_omp_predetermined_sharing_1): ... this.
169         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
170         instead of cxx_omp_predetermined_sharing.
172 2018-05-10  Jason Merrill  <jason@redhat.com>
174         * decl.c (cp_finish_decl): Don't instantiate auto variable.
175         (check_static_variable_definition): Allow auto.
176         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
178         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
179         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
181         Core issue 2310 - conversion to base of incomplete type.
182         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
184         CWG 2267 - list-initialization of reference temporary
185         * call.c (reference_binding): List-initializing a reference
186         temporary is copy-list-initialization.
188         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
190         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
191         instantiation in template context.
193         * class.c (vbase_has_user_provided_move_assign): Use
194         user_provided_p.
196         * lambda.c (lambda_expr_this_capture): Improve logic.
198         * decl.c (make_typename_type): s/parameters/arguments/.
199         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
200         * pt.c (make_pack_expansion): Correct error message.
202 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
204         PR c++/85662
205         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
206         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
207         fold_convert.
209 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
211         PR c++/85400
212         * decl2.c (adjust_var_decl_tls_model): New static function.
213         (comdat_linkage): Call it on a variable.
214         (maybe_make_one_only): Likewise.
216 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
218         PR c++/85713
219         Revert:
220         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
222         PR c++/84588
223         * parser.c (cp_parser_parameter_declaration_list): When the
224         entire parameter-declaration-list is erroneous maybe call
225         abort_fully_implicit_template.
227 2018-05-08  Jason Merrill  <jason@redhat.com>
229         PR c++/85706 - class deduction under decltype
230         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
231         *walk_subtrees whether or not we walked into the operand.
232         (type_uses_auto): Only look at deduced contexts.
234 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
236         PR c++/84588
237         * parser.c (cp_parser_parameter_declaration_list): When the
238         entire parameter-declaration-list is erroneous maybe call
239         abort_fully_implicit_template.
241 2018-05-08  Marek Polacek  <polacek@redhat.com>
243         PR c++/85695
244         * semantics.c (finish_if_stmt_cond): See through typedefs.
246 2018-05-07  Jason Merrill  <jason@redhat.com>
248         PR c++/85646 - lambda visibility.
249         * decl2.c (determine_visibility): Don't mess with template arguments
250         from the containing scope.
251         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
252         thunk.
254 2018-05-07  Nathan Sidwell  <nathan@acm.org>
256         Remove fno-for-scope
257         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
258         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
259         (SET_DECL_SHADOWED_FOR_VAR): Delete.
260         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
261         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
262         Don't declare.
263         * name-lookup.h (struct cp_binding_level): Remove
264         dead_vars_from_for field.
265         * cp-lang.c (cp_init_ts): Delete.
266         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
267         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
268         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
269         (init_shadowed_var_for_decl): Delete.
270         * decl.c (poplevel): Remove shadowed for var handling.
271         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
272         * name-lookup.c (find_local_binding): Remove shadowed for var
273         handling.
274         (check_local_shadow): Likewise.
275         (check_for_out_of_scope_variable): Delete.
276         * parser.c (cp_parser_primary_expression): Remove shadowed for var
277         handling.
278         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
279         * semantics.c (begin_for_scope): Always have a scope.
280         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
281         (begin_range_for_stmt, finish_id_expression): Likewise.
283 2018-05-07  Jason Merrill  <jason@redhat.com>
285         PR c++/85618 - ICE with initialized VLA.
286         * tree.c (vla_type_p): New.
287         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
288         rather than array_of_runtime_bound_p.
290 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
292         * cvt.c (ocp_convert): Early handle the special case of a
293         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
295 2018-05-03  Jason Merrill  <jason@redhat.com>
297         PR c++/85600 - virtual delete failure.
298         * init.c (build_delete): Always save_expr when deleting.
300 2018-05-03  Nathan Sidwell  <nathan@acm.org>
302         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
303         * name-lookup.c (do_pushdecl): Likewise.
305 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
306             Jason Merrill  <jason@redhat.com>
308         PR c++/68374
309         * name-lookup.c (check_local_shadow): Don't handle static old
310         declarations in the block handling locals shadowing locals.
312 2018-05-01  Jason Merrill  <jason@redhat.com>
314         PR c++/85587 - error with scoped enum in template.
315         * semantics.c (finish_qualified_id_expr): Don't return an
316         unqualified IDENTIFIER_NODE.
318 2018-04-30  Jason Merrill  <jason@redhat.com>
320         PR c++/85580 - extern "C" and local variables
321         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
323         PR c++/84701 - unsigned typeof.
324         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
325         of long/short/signed/unsigned.
327         PR c++/85305 - pack in lambda init-capture.
328         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
329         check_for_bare_parameter_packs in a subexpression.
330         (cp_parser_lambda_introducer): Use it.
332         PR c++/61982 - dead stores to destroyed objects.
333         * call.c (build_trivial_dtor_call): New, assigns a clobber.
334         (build_over_call, build_special_member_call): Use it.
335         * cp-tree.h: Declare it.
336         * init.c (build_delete): Remove trivial path.
338         * init.c (build_dtor_call): Use build_special_member_call.
339         (build_delete): Remove redundant uses of save_addr.
341         * decl.c (build_clobber_this): Use build_clobber.
343 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
345         PR c++/85553
346         * init.c (build_zero_init_1): For zero initialization of
347         NULLPTR_TYPE_P type use build_int_cst directly.
349 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
351         PR c++/85515
352         * name-lookup.c (consider_binding_level): Skip compiler-generated
353         variables.
354         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
355         nested if statements into a series of rejection tests.  Reject
356         lambda-ignored entities as suggestions.
358 2018-04-27  Jason Merrill  <jason@redhat.com>
360         * cvt.c (cp_fold_convert): Use convert_ptrmem.
361         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
363 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
365         PR c++/84691
366         * decl.c (grokdeclarator): Clear friendp upon definition in local
367         class definition error.
369 2018-04-27  Jason Merrill  <jason@redhat.com>
371         PR c++/85545 - ICE with noexcept PMF conversion.
372         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
373         build_ptrmemfunc.
374         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
375         adjustment.
376         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
378 2018-04-27  Nathan Sidwell  <nathan@acm.org>
380         * typeck.c (convert_ptrmem): Move local var decls to initialization.
382         * cp-tree.h (TEMPLATE_INFO): Fix comments.
383         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
384         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
385         (dump, print_other_binding_stacks): Remove declarations.
386         * name-lookup.c (print_other_binding_stack): Make static.
387         * pt.c (build_template_decl): Make static.
389 2018-04-26  Jason Merrill  <jason@redhat.com>
391         PR c++/85545 - ICE with noexcept PMF conversion.
392         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
394 2018-04-25  Nathan Sidwell  <nathan@acm.org>
396         PR c++/85437
397         PR c++/49171
398         * cp-tree.h (REINTERPRET_CAST_P): New.
399         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
400         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
401         for non-trivial PTRMEM_CST cases.
402         * typeck.c (build_nop_reinterpret): New.
403         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
404         NOP_EXPRs returned by cp_convert.
406 2018-04-23  Jason Merrill  <jason@redhat.com>
408         PR c++/69560 - wrong alignof(double) on x86.
409         CWG 1879 - Inadequate definition of alignment requirement.
410         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
411         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
412         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
413         (cxx_alignof_expr): Pass it.
414         * parser.c (cp_parser_unary_expression): Pass it.
415         * pt.c (tsubst_copy): Copy it.
416         (tsubst_copy_and_build): Pass it.
417         * decl.c (fold_sizeof_expr): Pass it.
419 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
420             Jason Merrill  <jason@redhat.com>
422         PR c++/85470 - wrong error with static data member.
423         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
424         * typeck2.c (store_init_value): Likewise.
426 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
428         PR c++/85462
429         * cp-tree.h (tinst_level): Remove in_system_header_p member,
430         change refcount member from unsigned char to unsigned short,
431         add refcount_infinity static data member, adjust comments.
432         * pt.c (tinst_level::refcount_infinity): Define.
433         (inc_refcount_use): Remove assert, don't increment if refcount
434         is already refcount_infinity, adjust comment.
435         (dec_refcount_use): Remove assert, don't decrement if refcount
436         is refcount_infinity, adjust comment.
437         (push_tinst_level_loc): Formatting fix.
439 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
441         PR c++/84611
442         * pt.c (lookup_template_class_1): Check pushtag return value for
443         error_mark_node.
445 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
447         PR c++/80290
448         * cp-tree.h (tinst_level::free): Fix whitespace.
450 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
452         PR c++/84630
453         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
454         for error_mark_node.
456 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
458         PR c++/84463
459         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
460         tricks from here to ...
461         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
462         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
464 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
466         PR c++/80290
467         * cp-tree.h (struct tinst_level): Split decl into tldcl and
468         targs.  Add private split_list_p, tree_list_p, and not_list_p
469         inline const predicates; to_list private member function
470         declaration; free public member function declaration; list_p,
471         get_node and maybe_get_node accessors, and refcount data
472         member.  Narrow errors to unsigned short.
473         * error.c (print_instantiation_full_context): Use new
474         accessors.
475         (print_instantiation_partial_context_line): Likewise.  Drop
476         const from tinst_level-typed parameter.
477         * mangle.c (mangle_decl_string): Likewise.
478         * pt.c (freelist): New template class.
479         (tree_list_freelist_head): New var.
480         (tree_list_freelist): New fn, along with specializations.
481         (tinst_level_freelist_head): New var.
482         (pending_template_freelist_head): Likewise.
483         (tinst_level_freelist, pending_template_freelist): New fns.
484         (tinst_level::to_list, tinst_level::free): Define.
485         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
486         (set_refcount_ptr): New template fn.
487         (add_pending_template): Adjust for refcounting, freelists and
488         new accessors.
489         (neglectable_inst_p): Take a NULL d as a non-DECL.
490         (limit_bad_template_recursion): Use new accessors.
491         (push_tinst_level): New overload to create the list.
492         (push_tinst_level_loc): Make it static, split decl into two
493         args, adjust tests and initialization to cope with split
494         lists, use freelist, adjust for refcounting.
495         (push_tinst_level_loc): New wrapper with the old interface.
496         (pop_tinst_level): Adjust for refcounting.
497         (record_last_problematic_instantiation): Likewise.
498         (reopen_tinst_level): Likewise.  Use new accessors.
499         (instantiate_alias_template): Adjust for split list.
500         (fn_type_unification): Likewise.
501         (get_partial_spec_bindings): Likewise.
502         (instantiate_pending_templates): Use new accessors.  Adjust
503         for refcount.  Release pending_template to freelist.
504         (instantiating_current_function_p): Use new accessors.
506 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
508         PR c++/85039
509         * parser.c (cp_parser_builtin_offset): Reject type definitions.
510         * mangle.c (nested_anon_class_index): Avoid crash returning -1
511         if we've seen errors.
513 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
515         PR c++/85385
516         * name-lookup.c (macro_use_before_def::maybe_make): New function,
517         checking that the use is indeed before the definition.
518         (macro_use_before_def::macro_use_before_def): Make private.
519         (macro_use_before_def::~macro_use_before_def): Make private.  Move
520         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
521         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
522         than using new directly.
524 2018-04-12  Jason Merrill  <jason@redhat.com>
526         PR c++/85356 - ICE with pointer to member function.
527         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
528         flag_noexcept_type.  Build the new spec within the function context.
529         * except.c (build_noexcept_spec): Do get constant value in templates
530         if flag_noexcept_type.
531         * decl.c (check_redeclaration_exception_specification): Don't
532         instantiate noexcept on a dependent declaration.
534 2018-04-12  Marek Polacek  <polacek@redhat.com>
536         PR c++/85258
537         * constexpr.c (reduced_constant_expression_p): Return false for null
538         trees.
540 2018-04-11  Marek Polacek  <polacek@redhat.com>
542         PR c++/85032
543         * constexpr.c (potential_constant_expression_1): Consider conversions
544         from classes to literal types potentially constant.
546 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
548         PR c++/70808
549         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
550         the type like TYPE_PTR_OR_PTRMEM_P.
552 2018-04-10  Jason Merrill  <jason@redhat.com>
554         PR debug/65821 - wrong location for main().
555         * call.c (clear_location_r, convert_default_arg): Revert.
556         * tree.c (break_out_target_exprs): Add clear_location parm.
557         (struct bot_data): New.
558         (bot_manip): Clear location if requested.
559         * init.c (get_nsdmi): Pass clear_location.
561 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
563         PR c++/85110
564         * call.c (get_fndecl_argument_location): Make non-static.
565         * cp-tree.h (get_fndecl_argument_location): New decl.
566         * typeck.c (convert_for_assignment): When complaining due to
567         conversions for an argument, show the location of the parameter
568         within the decl.
570 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
572         PR c++/85312 - P0962 cleanup
573         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
574         diagnostics.
576 2018-04-10  Jason Merrill  <jason@redhat.com>
578         PR debug/65821 - wrong location for main().
579         * call.c (clear_location_r): New.
580         (convert_default_arg): Use it.
581         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
583         PR c++/85285 - ICE with flexible array after substitution.
584         * pt.c (instantiate_class_template_1): Check for flexible array in
585         union.
587 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
589         PR c++/85227
590         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
591         issue a pedwarn and defer trying to do bindings.
593 2018-04-09  Jason Merrill  <jason@redhat.com>
595         PR c++/85279 - dump_expr doesn't understand decltype.
596         * error.c (dump_expr): Handle DECLTYPE_TYPE.
598         PR c++/85262 - ICE with redundant qualification on constructor.
599         * call.c (build_new_method_call_1): Move make_args_non_dependent
600         after A::A() handling.
602         PR c++/85277 - ICE with invalid offsetof.
603         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
604         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
606         PR c++/85264 - ICE with excess template-parameter-list.
607         * parser.c (cp_parser_check_template_parameters): Add template_id_p
608         parameter.  Don't allow an extra template header if true.
609         (cp_parser_class_head): Pass template_id_p.
610         (cp_parser_elaborated_type_specifier): Likewise.
611         (cp_parser_alias_declaration): Likewise.
612         (cp_parser_check_declarator_template_parameters): Likewise.
614 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
616         PR c++/85194
617         * parser.c (cp_parser_simple_declaration): For structured bindings,
618         if *maybe_range_for_decl is NULL after parsing it, set it to
619         error_mark_node.
621 2018-04-09  Jason Merrill  <jason@redhat.com>
623         PR c++/85256 - ICE capturing pointer to VLA.
624         * lambda.c (add_capture): Distinguish between variable-size and
625         variably-modified types.
627 2018-04-06  Jason Merrill  <jason@redhat.com>
629         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
630         * pt.c (extract_locals_r): Remember local typedefs.
632 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
634         PR c++/84269
635         * name-lookup.c (struct std_name_hint): Move out of
636         get_std_name_hint; add field "min_dialect".
637         (get_std_name_hint): Add min_dialect values to all initializers.
638         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
639         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
640         <shared_mutex>, <string_view>, <thread>, and <variant>.
641         Add fstream, ifstream, and ofstream to <fstream>.
642         Add istringstream, ostringstream, and stringstream to <sstream>.
643         Add basic_string to <string>.
644         Add tuple_element and tuple_size to <tuple>.
645         Add declval to <utility>.
646         Fix ordering of <queue> and <tuple>.
647         Return a std_name_hint, rather than a const char *.
648         (get_cxx_dialect_name): New function.
649         (maybe_suggest_missing_std_header): Detect names that aren't yet
650         available in the current dialect, and instead of suggesting a
651         missing #include, warn about the dialect.
653 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
655         PR c++/85210
656         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
657         errorcount is set if tsubst doesn't return a VAR_DECL.
659 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
661         PR c++/85021
662         * name-lookup.c (using_directives_contain_std_p): New function.
663         (has_using_namespace_std_directive_p): New function.
664         (suggest_alternatives_for): Simplify if/else logic using early
665         returns.  If no candidates were found, and there's a
666         "using namespace std;" directive, call
667         maybe_suggest_missing_std_header.
668         (maybe_suggest_missing_header): Split later part of the function
669         into..
670         (maybe_suggest_missing_std_header): New.
672 2018-04-06  Jason Merrill  <jason@redhat.com>
674         PR c++/85242 - ICE with class definition in template parm.
675         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
676         processing_template_parmlist.
678         PR c++/85240 - LTO ICE with using of undeduced auto fn.
679         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
681 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
683         PR c++/85209
684         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
685         is not prev, if prev == decl.
687         PR c++/85208
688         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
689         maybe_apply_pragma_weak here...
690         (cp_maybe_mangle_decomp): ... but call it here instead.
692 2018-04-05  Jason Merrill  <jason@redhat.com>
694         PR c++/85136 - ICE with designated init in template.
695         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
696         designated initializer.
697         (check_array_designated_initializer): Update ce->index with the
698         constant value.
700         PR c++/83808 - ICE with VLA initialization.
701         * typeck2.c (process_init_constructor_array): Don't require a VLA
702         initializer to have VLA type.
704 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
706         PR c++/80956
707         * call.c (convert_like_real): Fail gracefully for a broken
708         std::initializer_list, missing a definition.
710         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
712 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
714         PR c++/84792
715         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
716         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
718 2018-04-05  Jason Merrill  <jason@redhat.com>
720         PR c++/82152 - ICE with class deduction and inherited ctor.
721         * pt.c (do_class_deduction): Ignore inherited ctors.
723         PR c++/84665 - ICE with array of empty class.
724         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
726         PR c++/85228 - ICE with lambda in enumerator in template.
727         * pt.c (bt_instantiate_type_proc): Don't assume
728         CLASSTYPE_TEMPLATE_INFO is non-null.
730 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
732         Implement P0969
733         * decl.c (find_decomp_class_base): Check accessibility instead
734         of declared access, adjust diagnostic.
736 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
738         Implement P0961
739         * decl.c (get_tuple_decomp_init): Check the templatedness
740         of a member get.
742 2018-04-05  Jason Merrill  <jason@redhat.com>
744         PR c++/85200 - ICE with constexpr if in generic lambda.
745         * pt.c (extract_locals_r): Don't record the local specs of variables
746         declared within the pattern.
748 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
750         PR c++/84979
751         * pt.c (check_auto_in_tmpl_args): New.
752         (tsubst_qualified_id): Use it to reject template args
753         referencing auto for non-type templates.
754         * parser.c (cp_parser_template_id): Likewise.
755         * cp-tree.h (check_auto_in_tmpl_args): Declare.
756         * typeck2.c (build_functional_cast): Report correct location
757         for invalid use of auto.
759 2018-04-04  Jason Merrill  <jason@redhat.com>
761         PR c++/85215 - ICE with copy-init from conversion.
762         * call.c (merge_conversion_sequences): Fix type of direct binding
763         sequence.
765         PR c++/84938 - ICE with division by ~-1.
766         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
768         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
769         * parser.c (cp_parser_mem_initializer_list): Call
770         check_for_bare_parameter_packs.
772 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
774         PR inline-asm/85172
775         * constexpr.c (cxx_eval_builtin_function_call): For calls to
776         builtin_valid_in_constant_expr_p functions, don't call
777         cxx_eval_constant_expression if argument is not
778         potential_constant_expression.
780         PR c++/85146
781         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
782         argument.
783         * semantics.c (calculate_bases): Add complain argument.  Use
784         complete_type_or_maybe_complain instead of just complete_type and
785         return an empty vector if it fails.  Move make_tree_vector () call
786         after early return.  Formatting fixes.
787         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
788         end.
789         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
790         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
791         calculate_direct_bases callers, formatting fixes.
793 2018-04-04  Jason Merrill  <jason@redhat.com>
795         PR c++/85006 - -fconcepts ICE with A<auto...> return type
796         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
798         PR c++/85200 - ICE with constexpr if in generic lambda.
799         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
801         PR c++/84221 - bogus -Wunused with attribute and template.
802         * decl2.c (is_late_template_attribute): Handle unused and used
803         normally on non-TYPE_DECL.
805         PR c++/85135 - ICE with omitted template arguments.
806         * decl.c (grokdeclarator): Catch deduced class type in trailing
807         return type.
809         PR c++/85133 - ICE with missing concept initializer.
810         * decl.c (cp_finish_decl): If a concept initializer is missing, use
811         true.
813         PR c++/85118 - wrong error with generic lambda and std::bind.
814         * call.c (add_template_conv_candidate): Disable if there are any
815         call operators.
817         PR c++/85141 - ICE with compound assignment and static member fn.
818         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
819         compound assignment.
821         PR c++/85148 - ICE with 'this' in array NSDMI.
822         * tree.c (replace_placeholders_r): Use handled_component_p.
824 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
826         PR c++/65923
827         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
828         * parser.c (cp_parser_unqualified_id): ..not here.
830 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
832         PR c++/84943
833         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
834         used.
835         * decl2.c (mark_used): Return without effects if tf_conv.
837 2018-04-03  Jason Merrill  <jason@redhat.com>
839         PR c++/85092 - C++17 ICE with unused list constructor.
840         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
841         from a TARGET_EXPR.
843         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
844         * constexpr.c (cxx_eval_builtin_function_call): Only defer
845         __builtin_constant_p if ctx->quiet.
847 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
849         PR c++/84768
850         * pt.c (rewrite_template_parm): If the first argument is
851         error_mark_node return it immediately.
852         (build_deduction_guide): Check the return value of the
853         latter for error_mark_node.
854         (do_class_deduction): Check the return value of the latter.
856 2018-04-03  Jason Merrill  <jason@redhat.com>
858         * semantics.c (finish_if_stmt_cond): Use
859         instantiation_dependent_expression_p.
861         PR c++/85149 - generic lambda and constexpr if.
862         * pt.c (build_extra_args, add_extra_args): Split from
863         tsubst_pack_expansion.
864         (tsubst_expr) [IF_STMT]: Use them.
865         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
867         * typeck.c (merge_types): Limit matching attribute shortcut to
868         the default case.
870 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
872         PR c++/85147
873         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
875         PR c++/85140
876         * name-lookup.c (handle_namespace_attrs): Return early if attributes
877         is error_mark_node.
879         PR c++/85134
880         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
881         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
882         instead for static data members clear init and set DECL_EXTERNAL.
884 2018-04-02  Jason Merrill  <jason@redhat.com>
886         PR c++/64095 - auto... parameter pack.
887         * parser.c (cp_parser_parameter_declaration): Handle turning autos
888         into packs here.
889         (cp_parser_parameter_declaration_list): Not here.
891 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
893         PR c++/85027
894         * class.c (instantiate_type): Peel off SAVE_EXPR before
895         BASELINK.
897 2018-03-30  Jason Merrill  <jason@redhat.com>
899         * typeck2.c (process_init_constructor_record): Use
900         init_list_type_node for the CONSTRUCTOR around an anonymous union
901         designated initializer.
903 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
905         PR c++/84791
906         * semantics.c (finish_omp_reduction_clause): If
907         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
908         even if processing_template_decl.
910 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
912         PR c++/84269
913         * name-lookup.c (get_std_name_hint): Add names from <memory>,
914         <tuple>, and <utility>.
916 2018-03-29  Jason Merrill  <jason@redhat.com>
918         PR c++/85093 - too many template args with pack expansion.
919         * pt.c (coerce_template_parms): Keep pack expansion args that will
920         need to be empty.
922 2018-03-29  Jason Merrill  <jason@redhat.com>
924         * pt.c (build_non_dependent_expr): Propagate expr location.
926 2018-03-27  Jason Merrill  <jason@redhat.com>
928         PR c++/85060 - wrong-code with call to base member in template.
929         * search.c (any_dependent_bases_p): Check uses_template_parms
930         rather than processing_template_decl.
932 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
934         PR c++/85110
935         * typeck.c (convert_for_assignment): When complaining due to
936         conversions for an argument, attempt to use the location of the
937         argument.
939 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
941         PR c++/85028
942         * pt.c (tsubst_default_argument): Early return if the type of the
943         parameter is erroneous.
945 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
947         PR c++/84973
948         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
949         templates.
951         PR c++/84968
952         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
954 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
956         PR c++/85067
957         * method.c (defaulted_late_check): Partially revert r253321 changes,
958         do not early return upon error.
960 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
962         PR c++/85077
963         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
964         type call fold to generate VECTOR_CSTs when possible.
966         PR c++/85076
967         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
968         return it right away.
970 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
972         * search.c (check_final_overrider): Use inform instead of error
973         for the diagnostics of the overridden functions.  Tweak wording.
975 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
977         PR c++/85068
978         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
979         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
981 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
982             Jason Merrill  <jason@redhat.com>
984         PR c++/84632
985         * init.c (build_aggr_init): When initializing from array,
986         reject anything but CONSTRUCTORs and TARGET_EXPRs.
987         (build_vec_init): Handle separately ARRAY_TYPEs.
989 2018-03-26  Jason Merrill  <jason@redhat.com>
991         PR c++/85062 - ICE with alignas in wrong place.
992         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
993         here.
995         PR c++/85049 - ICE with __integer_pack.
996         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
997         * cp-tree.h (TEMPLATE_PARM_P): New.
999 2018-03-23  Jason Merrill  <jason@redhat.com>
1001         PR c++/78489 - wrong SFINAE behavior.
1003         PR c++/84489
1004         * pt.c (type_unification_real): Don't defer substitution failure.
1006 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1008         PR c++/85015
1009         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1010         result.
1012         PR c++/84942
1013         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1014         cp_build_unary_op call with gcc_unreachable ().
1016 2018-03-23  Marek Polacek  <polacek@redhat.com>
1018         PR c++/85045
1019         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1020         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1021         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1023 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1025         Implement P0962
1026         * parser.c (cp_parser_perform_range_for_lookup): Change
1027         the condition for deciding whether to use members.
1029 2018-03-23  Marek Polacek  <polacek@redhat.com>
1031         PR c++/85033
1032         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1034 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1036         PR c++/71251
1037         * parser.c (cp_parser_alias_declaration): Call
1038         parser_check_template_parameters.
1040         PR c++/84789
1041         * pt.c (resolve_typename_type): Drop assert that stopped
1042         simplification to template-independent types.  Add assert to
1043         verify the initial scope is template dependent.
1044         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1045         Reparse the id expression as a type-name, not a declarator.
1047         PR c++/84729
1048         * init.c (build_vec_init): Error at parenthesized array init.
1050         PR c++/84610
1051         PR c++/84642
1052         PR c++/84942
1053         * cp-tree.h (temp_override): New template class, generalizing
1054         a cleanup that was only used...
1055         * parser.c (cp_parser_parameter_declaration_clause):
1056         ... here for auto_is_implicit_function_template_parm_p.
1057         (cp_parser_gnu_attributes_opt): Use it here as well.
1058         (cp_parser_std_attribute): Likewise.
1060 2018-03-22  Marek Polacek  <polacek@redhat.com>
1062         PR c++/84854
1063         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1064         is boolean.
1066 2018-03-21  Jason Merrill  <jason@redhat.com>
1068         PR c++/81311 - wrong C++17 overload resolution.
1069         * call.c (build_user_type_conversion_1): Remove C++17 code.
1070         (conv_binds_ref_to_prvalue): New.
1071         (build_over_call): Handle C++17 copy elision.
1072         (build_special_member_call): Only do C++17 copy elision here if the
1073         argument is already the right type.
1075 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1077         PR c++/71965
1078         * init.c (build_vec_init): Silence error, former sorry,
1079         without tf_error.
1081         PR c++/84610
1082         PR c++/84642
1083         * parser.c (abort_fully_implicit_template_p): New.
1084         (cp_parser_skip_to_end_of_statement): Use it.
1085         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1086         (finish_fully_implicit_template_p): Clear
1087         implicit_template_parms and implicit_template_scope.
1089 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1091         PR c++/84972
1092         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1093         error_mark_node when check_array_designated_initializer fails.
1095 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1097         PR c++/84961
1098         * cp-tree.h (genericize_compound_lvalue): Declare.
1099         * typeck.c (genericize_compound_lvalue): New function.
1100         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1101         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1102         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1103         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1104         COMPOUND_EXPR operand.
1106 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1108         PR c++/85008
1109         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1110         * decl2.c (vague_linkage_p): Likewise.
1112 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1114         PR c++/84994
1115         * constexpr.c (constexpr_fn_retval): Make non-"static".
1116         * cp-tree.h (constexpr_fn_retval): New decl.
1117         * search.c (direct_accessor_p): Update leading comment.
1118         (reference_accessor_p): Likewise.
1119         (field_accessor_p): Replace check that function body is a
1120         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1121         indentation of "field_type" decl.
1123 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1125         PR c++/84804
1126         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1127         complete classes.
1129 2018-03-21  Martin Sebor  <msebor@redhat.com>
1131         PR c++/84850
1132         * call.c (first_non_public_field): New template and function.
1133         (first_non_trivial_field): New function.
1134         (maybe_warn_class_memaccess): Call them.
1136 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1138         PR c++/84892
1139         * search.c (field_accessor_p): Use class_of_this_parm rather than
1140         type_of_this_parm, to check that "this" is a "const T *", rather
1141         than a "T *const".
1143 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1145         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1146         other than public non-static data members.
1147         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1148         parenthesized initializer.
1150         PR c++/84836
1151         * name-lookup.c (update_binding): Correct logic for local binding
1152         update.
1154 2018-03-21  Marek Polacek  <polacek@redhat.com>
1156         PR c++/71638, ICE with NSDMI and reference.
1157         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1158         even when we replace an element.
1160 2018-03-20  Marek Polacek  <polacek@redhat.com>
1162         PR c++/84978, ICE with NRVO.
1163         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1164         a RESULT_DECL isn't in the hash map.
1166 2018-03-20  Jason Merrill  <jason@redhat.com>
1168         PR c++/84978, ICE with NRVO.
1169         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1170         (cp_get_callee_fndecl_nofold): New.
1171         * cp-gimplify.c (cp_genericize_r): Use it instead.
1172         * call.c (check_self_delegation): Likewise.
1174 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1176         PR c++/84962
1177         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1178         member_vec, if there is one.
1180         PR c++/84970
1181         * cp-tree.h (lookup_list_keep): Declare.
1182         * tree.c (lookup_list_keep): New, broken out of ...
1183         (build_min): ... here.  Call it.
1184         * decl.c (cp_finish_decl): Call lookup_list_keep.
1186 2018-03-19  Jason Merrill  <jason@redhat.com>
1188         PR c++/84937 - ICE with class deduction and auto.
1189         * pt.c (rewrite_template_parm): Fix auto handling.
1191 2018-03-19  Marek Polacek  <polacek@redhat.com>
1193         PR c++/84925
1194         * pt.c (enclosing_instantiation_of): Check if fn is null.
1196         PR c++/84927
1197         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1198         as we evaluate the elements.
1199         (cxx_eval_constant_expression): Verify constructor's flags
1200         unconditionally.
1202 2018-03-19  Jason Merrill  <jason@redhat.com>
1204         PR c++/71834 - template-id with too few arguments.
1205         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1207 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1209         PR c++/84835
1210         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1211         * pt.c (build_template_decl): Propagate language linkage.
1213         PR c++/84812
1214         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1215         ambiguous lookups.
1217 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1219         PR c/84910
1220         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1221         diagnostics.
1222         * method.c (synthesize_method): Likewise.
1223         * pt.c (convert_nontype_argument): Likewise.
1225 2018-03-16  Jason Merrill  <jason@redhat.com>
1227         PR c++/84720 - ICE with rvalue ref non-type argument.
1228         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1229         (convert_nontype_argument): Revert earlier change.
1231         PR c++/80227 - SFINAE and negative array size.
1232         * decl.c (compute_array_index_type): Use
1233         build_converted_constant_expr and valid_constant_size_p.
1235         PR c++/84906 - silent wrong code with ambiguous conversion.
1236         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1237         ambiguous conversion.
1238         (convert_like_real): Check it.
1240         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1241         * call.c (build_special_member_call): Don't convert an init-list
1242         argument directly to the class type.
1244 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1246         PR c++/79937
1247         PR c++/82410
1248         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1249         (find_placeholder): Declare.
1250         * tree.c (struct replace_placeholders_t): Add exp member.
1251         (replace_placeholders_r): Don't walk into ctors with
1252         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1253         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1254         (replace_placeholders): Initialize data.exp.
1255         (find_placeholders_r, find_placeholders): New functions.
1256         * typeck2.c (process_init_constructor_record,
1257         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1258         if adding NSDMI on which find_placeholder returns true.
1259         * call.c (build_over_call): Don't call replace_placeholders here.
1260         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1261         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1262         TARGET_EXPR_INITIAL.
1263         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1264         ctor.
1266 2018-03-16  Jason Merrill  <jason@redhat.com>
1268         PR c++/83911 - ICE with multiversioned constructor.
1269         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1270         dispatchere here.
1271         * call.c (build_over_call): Not here.
1273 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1275         PR c++/84874
1276         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1277         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1279 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1281         PR c++/84222
1282         * cp-tree.h (cp_warn_deprecated_use): Declare.
1283         * tree.c (cp_warn_deprecated_use): New function.
1284         * typeck2.c (build_functional_cast): Use it.
1285         * decl.c (grokparms): Likewise.
1286         (grokdeclarator): Likewise.  Temporarily push nested class scope
1287         around grokparms call for out of class member definitions.
1289 2018-03-14  Jason Merrill  <jason@redhat.com>
1291         PR c++/84820 - no error for invalid qualified-id.
1292         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1293         cp_error_declarator.
1295         PR c++/84801 - ICE with unexpanded pack in lambda.
1296         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1297         lambda in non-template context.
1299         PR c++/81236 - auto variable and auto function
1300         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1301         mark_used.
1303 2018-03-14  Jason Merrill  <jason@redhat.com>
1305         PR c++/83916 - ICE with template template parameters.
1306         * pt.c (convert_template_argument): Don't substitute into type of
1307         non-type parameter if we don't have enough arg levels.
1308         (unify): Likewise.
1310 2018-03-14  Marek Polacek  <polacek@redhat.com>
1312         PR c++/84596
1313         * semantics.c (finish_static_assert): Check
1314         instantiation_dependent_expression_p instead of
1315         {type,value}_dependent_expression_p.
1317 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1318             Jason Merrill  <jason@redhat.com>
1320         PR c++/82336 - link error with list-init default argument.
1321         * decl.c (check_default_argument): Unshare an initializer list.
1323 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1325         PR c++/84843
1326         * decl.c (duplicate_decls): For redefinition of built-in, use error
1327         and return error_mark_node.  For redeclaration, return error_mark_node
1328         rather than olddecl if !flag_permissive.
1330 2018-03-13  Jason Merrill  <jason@redhat.com>
1332         PR c++/82565 - ICE with concepts and generic lambda.
1333         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1335 2018-03-13  Jason Merrill  <jason@redhat.com>
1337         PR c++/84720 - ICE with rvalue ref non-type argument.
1338         * pt.c (convert_nontype_argument): Handle rvalue references.
1340         PR c++/84839 - ICE with decltype of parameter pack.
1341         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1342         instantiating dummy parms.
1344         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1345         parameter even without -Wpedantic.
1347         PR c++/84798 - ICE with auto in abstract function declarator.
1348         * parser.c (cp_parser_parameter_declaration_clause): Check
1349         parser->default_arg_ok_p.
1351 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1353         PR c++/84808
1354         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1355         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1356         sizetype.  Formatting fixes.
1358 2018-03-12  Jason Merrill  <jason@redhat.com>
1360         PR c++/84355 - ICE with deduction for member class template.
1361         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1362         CLASS_PLACEHOLDER_TEMPLATE.
1364         PR c++/84802 - ICE capturing uninstantiated class.
1365         * lambda.c (build_capture_proxy): Call complete_type.
1367 2018-03-09  Jason Merrill  <jason@redhat.com>
1369         PR c++/84770 - ICE with typedef and parameter pack.
1370         * pt.c (verify_unstripped_args_1): Split out from
1371         verify_unstripped_args.
1373         PR c++/84785 - ICE with alias template and default targs.
1374         * pt.c (type_unification_real): Set processing_template_decl if
1375         saw_undeduced == 1.
1377         PR c++/84752 - ICE with capture of constexpr array.
1378         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1379         identity conversion under ck_lvalue.
1381 2018-03-09  Jason Merrill  <jason@redhat.com>
1382             Paolo Carlini  <paolo.carlini@oracle.com>
1384         PR c++/71169
1385         PR c++/71832
1386         * pt.c (any_erroneous_template_args_p): New.
1387         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1388         * parser.c (cp_parser_class_specifier_1): Use it.
1390 2018-03-09  Jason Merrill  <jason@redhat.com>
1392         PR c++/84726 - unnecessary capture of constant vars.
1393         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1394         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1395         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1396         * lambda.c (is_constant_capture_proxy)
1397         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1398         (prune_lambda_captures): New.
1399         (finish_lambda_function): Call prune_lambda_captures.
1401 2018-03-09  Jason Merrill  <jason@redhat.com>
1402             Jakub Jelinek  <jakub@redhat.com>
1404         PR c++/84076
1405         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1406         build ADDR_EXPR with REFERENCE_TYPE.
1407         (build_over_call): For purposes of check_function_arguments, if
1408         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1409         its operand rather than the argument itself.
1411 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1413         PR c++/84724
1414         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1415         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1416         also a note and return olddecl.
1418 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1420         PR c++/84733
1421         * name-lookup.c (do_pushdecl_with_scope): Only clear
1422         current_function_decl when pushing a non-class (i.e. namespace)
1423         scope.
1425 2018-03-08  Jason Merrill  <jason@redhat.com>
1426             Jakub Jelinek  <jakub@redhat.com>
1428         PR c++/80598
1429         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1430         not calling mark_used for the benefit of -Wunused-function warning.
1432 2018-03-06  Jason Merrill  <jason@redhat.com>
1434         * lambda.c (is_capture_proxy_with_ref): Remove.
1435         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1437 2018-03-06  Marek Polacek  <polacek@redhat.com>
1439         PR c++/84684
1440         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1441         arguments.
1443 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1445         PR c++/84231
1446         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1447         only while processing template decls.
1448         * typeck.c (build_x_conditional_expr): Move wrapping of
1449         reference type around type...
1450         * call.c (build_conditional_expr_1): ... here.  Rename
1451         is_lvalue to is_glvalue.
1452         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1453         INDIRECT_REF of COND_EXPR too.
1455         PR c++/84593
1456         * init.c (build_zero_init_1): Zero-initialize references.
1458         PR c++/84492
1459         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1460         overloads used as stmt expr values.
1462 2018-03-05  Jason Merrill  <jason@redhat.com>
1464         PR c++/84708 - ICE with lambda in local class NSDMI.
1465         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1466         context.
1468 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1470         PR c++/84684
1471         * constexpr.c (constexpr_call_hasher::equal): Return false if
1472         lhs->hash != rhs->hash.  Change return 1 to return true and
1473         return 0 to return false.
1475 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1477         PR c++/84702
1478         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1480 2018-03-05  Marek Polacek  <polacek@redhat.com>
1482         PR c++/84707
1483         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1484         UDLIT_OPER_P.
1486 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1488         PR c++/84694
1489         * friend.c (do_friend): Restore check for identifier_p inside
1490         TEMPLATE_ID_EXPR.
1492 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1494         PR c++/84618
1495         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1496         involving a VAR_DECL or a PARM_DECL.
1498 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1499             Jason  Merrill  <jason@redhat.com>
1500             Nathan Sidwell  <nathan@acm.org>
1502         PR c++/84497
1503         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1505 2018-03-03  Jason Merrill  <jason@redhat.com>
1507         PR c++/84686 - missing volatile loads.
1508         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1510 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1512         PR c++/71464
1513         * optimize.c (maybe_thunk_body): Bail out immediately if either
1514         fns[0] or fns[1] is null.
1516 2018-03-02  Marek Polacek  <polacek@redhat.com>
1518         PR c++/84578
1519         * constexpr.c (get_array_or_vector_nelts): New.
1520         (cxx_eval_array_reference): Use it.
1521         (cxx_eval_vec_init_1): Likewise.
1522         (cxx_eval_store_expression): Likewise.
1524 2018-03-02  Jason Merrill  <jason@redhat.com>
1526         * semantics.c (force_paren_expr): Remove redundant test.
1528 2018-03-02  Marek Polacek  <polacek@redhat.com>
1530         PR c++/84663
1531         * decl.c (cp_complete_array_type): Check error_mark_node.
1533         PR c++/84664
1534         * typeck.c (cp_perform_integral_promotions): Check the result of
1535         mark_rvalue_use.
1537 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1539         PR c++/84662
1540         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1541         RETURN instead of return.
1542         <case POINTER_PLUS_EXPR>: Likewise.
1543         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1544         it instead of wrapping it into CONVERT_EXPR.
1546 2018-03-02  Jason Merrill  <jason@redhat.com>
1548         Fix MIPS16 ICE.
1549         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1551 2018-03-02  Marek Polacek  <polacek@redhat.com>
1553         PR c++/84590
1554         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1555         wrapped in VIEW_CONVERT_EXPR.
1557 2018-03-01  Martin Sebor  <msebor@redhat.com>
1559         PR c++/84294
1560         * decl.c (check_redeclaration_no_default_args): Merge attributes
1561         specified on redeclarations of the same function template.
1562         Remove dead code.
1564 2018-03-01  Marek Polacek  <polacek@redhat.com>
1565             Jason Merrill  <jason@redhat.com>
1567         PR c++/84582
1568         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1569         a template.
1570         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1571         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1572         of instantiate_non_dependent_expr.
1573         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1575 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1577         PR c++/84434
1578         * name-lookup.c (member_vec_dedup): Remove manually peeled
1579         iteration.  Ignore dependent ctor inheritance.
1581 2018-03-01  Jason Merrill  <jason@redhat.com>
1583         PR c++/71569 - decltype of template.
1584         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1586 2018-03-01  Marek Polacek  <polacek@redhat.com>
1588         PR c++/84596
1589         * constexpr.c (require_rvalue_constant_expression): New function.
1590         * cp-tree.h: Declare it.
1591         * semantics.c (finish_static_assert): Use it instead of
1592         require_potential_rvalue_constant_expression.
1594 2018-03-01  Jason Merrill  <jason@redhat.com>
1595             Alexandre Oliva <aoliva@redhat.com>
1597         PR c++/71569 - ICE with redundant args on member variable template.
1598         * decl.c (start_decl): Handle partial specialization of member
1599         variable template.
1600         * pt.c (determine_specialization): Allow partial specialization
1601         of member variable template without specializing enclosing class.
1602         (process_partial_specialization): Improve error message.
1604 2018-02-28  Jason Merrill  <jason@redhat.com>
1606         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1607         * pt.c (determine_specialization): Check ref-qualifier.
1609 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1611         PR c++/84609
1612         * parser.c (cp_parser_attributes_opt): Formatting fix.
1613         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1614         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1615         New functions.
1616         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1617         instead of tentative parse to peek over optional attribute tokens
1618         to check for CPP_COLON after them.
1620         PR c++/83871
1621         PR c++/83503
1622         * pt.c (INCLUDE_STRING): Remove define.
1623         (warn_spec_missing_attributes): Use pretty_printer instead of
1624         std::string.  Fix up inform call so that the list of attributes
1625         is in %s argument.
1627 2018-02-28  Martin Sebor  <msebor@redhat.com>
1629         PR testsuite/84617
1630         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1631         and malloc.
1633 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1635         PR c++/84602
1636         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1637         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1638         regardless of want_type.
1639         (search_anon_aggr): Just use get_class_binding_direct.
1641 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1643         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1644         inform_n.
1646 2018-02-27  Martin Sebor  <msebor@redhat.com>
1648         * pt.c: Avoid including <string> directly.
1650 2018-02-27  Martin Sebor  <msebor@redhat.com>
1652         PR c++/83871
1653         PR c++/83503
1654         * cp-tree.h (warn_spec_missing_attributes): New function.
1655         ((check_explicit_specialization): Add an argument.  Call the above
1656         function.
1657         * decl.c (duplicate_decls): Avoid applying primary function template's
1658         attributes to its explicit specializations.
1659         cp/pt.c (warn_spec_missing_attributes): Define.
1661 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1663         PR c++/71546 - lambda init-capture with qualified-id.
1664         * parser.c (cp_parser_lambda_introducer): Clear scope after
1665         each lambda capture.
1667 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1669         PR c++/84426
1670         * name-lookup.h (get_member_slot): Rename ...
1671         (find_member_slot): ... here.
1672         (add_member_slot): New.
1673         * name-lookup.c (member_vec_linear_search): No need to check for
1674         NULL slot.
1675         (get_member_slot): Rename ...
1676         (find_member_slot): ... here.  Don't add slot for incomplete class.
1677         (add_member_slot): New.
1678         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1679         if push_class_level_binding fails.  Create slot and grok
1680         properties once we're committed to insertion.
1682 2018-02-27  Jason Merrill  <jason@redhat.com>
1684         PR c++/84489 - dependent default template argument
1685         * pt.c (type_unification_real): Handle early substitution failure.
1687 2018-02-26  Jason Merrill  <jason@redhat.com>
1689         PR c++/84560 - ICE capturing multi-dimensional VLA.
1690         * tree.c (array_of_runtime_bound_p): False if the element is
1691         variably-modified.
1693         PR c++/84441 - ICE with base initialized from ?:
1694         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1696         PR c++/84520 - ICE with generic lambda in NSDMI.
1697         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1698         'this' in a generic lambda instantiation.
1700         PR c++/84559 - ICE with constexpr VLA.
1701         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1702         for constexpr variable with VLA type.
1704 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1706         PR c++/84558
1707         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1708         a valid constant initializer.  Formatting fixes.
1710 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1712         PR c++/84540
1713         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1714         returning NULL_TREE.
1715         (apply_late_template_attributes): Likewise.
1717 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1719         PR c++/84557
1720         * parser.c (cp_parser_omp_var_list_no_open): Only call
1721         cp_parser_lookup_name_simple on names satisfying identifier_p.
1722         (cp_parser_oacc_routine): Likewise.
1724 2018-02-26  Jason Merrill  <jason@redhat.com>
1726         PR c++/84551 - ICE with concepts and -g.
1727         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1729 2018-02-26  Marek Polacek  <polacek@redhat.com>
1731         PR c++/84325
1732         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1733         non-types.
1735 2018-02-26  Jason Merrill  <jason@redhat.com>
1737         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1738         * call.c (build_over_call): Handle deleted functions in one place.
1740 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1742         PR c++/84533
1743         * decl.c (redeclaration_error_message): Don't try to use
1744         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1746 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1748         * lambda.c (build_capture_proxy): Define static.
1749         * cp-tree.h (build_capture_proxy): Remove.
1751 2018-02-26  Marek Polacek  <polacek@redhat.com>
1753         PR c++/84537
1754         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1755         if name is error node.
1757 2018-02-25  Jason Merrill  <jason@redhat.com>
1759         PR c++/84015 - ICE with class deduction and auto template parm.
1760         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1762 2018-02-24  Marek Polacek  <polacek@redhat.com>
1764         PR c++/83692
1765         * constexpr.c (maybe_constant_init_1): New function.
1766         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1767         (cxx_constant_init): New function.
1768         * cp-tree.h (cxx_constant_init): Declare.
1769         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1770         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1772 2018-02-22  Jason Merrill  <jason@redhat.com>
1774         PR c++/70468 - ICE with constructor delegation via typedef.
1775         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1776         with constructor delegation.
1778 2018-02-22  Jason Merrill  <jason@redhat.com>
1780         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1781         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1782         VECTOR_TYPE.
1784 2018-02-22  Marek Polacek  <polacek@redhat.com>
1786         PR c++/84493
1787         * parser.c (cp_parser_braced_list): Use require_open instead of
1788         consume_open.
1790 2018-02-21  Jason Merrill  <jason@redhat.com>
1792         PR c++/84454 - ICE with pack expansion in signature.
1793         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1795 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1797         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1798         IF_STMT.
1800 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1802         PR c++/84446
1803         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1804         on error_mark_node.
1806 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1808         PR c++/84445
1809         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1810         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1812         PR c++/84449
1813         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1814         returns error_mark_node, return it immediately.
1815         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1816         error_mark_node, return error_mark_node.
1818         PR c++/84455
1819         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1820         function_depth to avoid GC during finish_lambda_function.
1822 2018-02-19  Jason Merrill  <jason@redhat.com>
1824         PR c++/84429 - ICE capturing VLA.
1825         * lambda.c (build_capture_proxy): Handle reference refs.
1827 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1829         PR c++/84448
1830         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1831         either operand is error_mark_node, set current.lhs to that instead of
1832         creating a binary op with error_mark_node operands.
1834         PR c++/84430
1835         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1837 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1839         PR c++/84348
1840         * decl.c (grokdeclarator): Early return error_mark_node upon
1841         ill-formed friend declaration.
1843 2018-02-16  Marek Polacek  <polacek@redhat.com>
1844             Jakub Jelinek  <jakub@redhat.com>
1846         PR c++/84192
1847         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1848         set *jump_target to anything if jump_target is NULL.
1850 2018-02-16  Jason Merrill  <jason@redhat.com>
1852         PR c++/84151 - unnecessary volatile load with static member.
1853         * call.c (build_new_method_call_1): Avoid loading from a volatile
1854         lvalue used as the object argument for a static member function.
1856         PR c++/81853 - using-directive and constexpr.
1857         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1859         PR c++/84420 - ICE with structured binding in lambda.
1860         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1862         PR c++/83835 - C++17 error with constructor ctors.
1863         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1865         PR c++/82664 - ICE with reference to function template parm.
1866         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1867         NOP_EXPRs.
1869         PR c++/82764 - C++17 ICE with empty base
1870         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1872 2018-02-16  Jason Merrill  <jason@redhat.com>
1874         PR c++/84421 - type-dependent if constexpr
1875         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1877 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1879         Deprecate -ffriend-injection.
1880         * decl.c (cxx_init_decl_processing): Emit warning on option.
1881         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1882         friend.
1884 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1886         PR c++/82468
1887         * decl.c (check_special_function_return_type): Reject template
1888         template parameter in deduction guide.
1890 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1892         PR c++/84375
1893         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1895 2018-02-15  Jason Merrill  <jason@redhat.com>
1897         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1898         * call.c (convert_like_real): Don't use the copy-list-initialization
1899         shortcut for ck_base.
1901         PR c++/84045 - ICE with typedef and noexcept.
1902         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1904         PR c++/84376 - ICE with omitted template arguments.
1905         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1907         PR c++/84368 - wrong error with local variable in variadic lambda.
1908         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1909         local_specializations.
1911 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1913         PR c++/84330
1914         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1915         as first argument.
1917 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1919         PR c++/84350
1920         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1921         init, early return.
1923 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1925         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1926         (c_parse_final_cleanups): Restore input_location after emitting
1927         vtables.
1929 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1931         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1932         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1933         auto_deduction_context, tree, int): Add defaults.
1934         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1935         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1936         tsubst_flags_t argument.
1937         * init.c (build_new): Likewise.
1939 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1941         PR c++/84364
1942         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1943         about return other than *this in assignment operators if
1944         retval is type dependent expression.
1946 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1948         PR c++/84333
1949         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1950         save_expr for the G++ extension.
1952 2018-02-13  Jason Merrill  <jason@redhat.com>
1954         PR c++/84080 - ICE with return type deduction and specialization.
1955         * pt.c (determine_specialization): Check uses_template_parms.
1957         Fix more variadic capture issues.
1958         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1959         (check_for_bare_parameter_packs): Check current_class_type for
1960         lambda context.
1961         (extract_locals_r): Handle seeing a full instantiation of a pack.
1962         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1963         * parser.c (cp_parser_lambda_introducer): Don't
1964         check_for_bare_parameter_packs.
1966         PR c++/84338 - wrong variadic sizeof.
1967         * pt.c (argument_pack_select_arg): Like the macro, but look through
1968         a pack expansion.
1969         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1970         (extract_fnparm_pack): Do make_pack_expansion.
1971         (extract_locals_r): Do strip a pack expansion.
1972         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1974 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1976         PR c++/84341
1977         * parser.c (cp_parser_binary_expression): Use build_min instead of
1978         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1980 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1982         PR c++/84263
1983         * parser.c (cp_parser_decltype): Push and pop
1984         deferring_access_checks.  Reorganize to avoid goto.
1986 2018-02-12  Richard Biener  <rguenther@suse.de>
1988         PR c++/84281
1989         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1990         uniform constructors and delay allocating them fully.
1992 2018-02-09  Jason Merrill  <jason@redhat.com>
1994         PR c++/84036 - ICE with variadic capture.
1995         Handle variadic capture proxies more like non-variadic.
1996         * lambda.c (build_capture_proxy): Remove workaround.
1997         * pt.c (find_parameter_packs_r): The proxy is a pack.
1998         (instantiate_class_template_1): Remove dead lambda code.
1999         (extract_fnparm_pack): Don't make_pack_expansion.
2000         (extract_locals_r): Don't strip a pack expansion.
2001         (tsubst_pack_expansion): Handle proxy packs.  Use
2002         PACK_EXPANSION_EXTRA_ARGS less.
2003         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2004         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2005         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2006         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2007         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2009 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2011         PR sanitizer/83987
2012         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2014 2018-02-09  Jason Merrill  <jason@redhat.com>
2016         PR c++/81917 - ICE with void_t and partial specialization.
2017         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2018         calling most_specialized_partial_spec.
2020 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2022         PR c/84293
2023         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2024         Pass expr location to strict_aliasing_warning.
2026 2018-02-09  Jason Merrill  <jason@redhat.com>
2028         PR c++/84296 - ICE with qualified-id in template.
2029         PR c++/83714
2030         * pt.c (unknown_base_ref_p): New.
2031         (instantiation_dependent_scope_ref_p): Use it instead of
2032         any_dependent_bases_p.
2034 2018-02-09  Marek Polacek  <polacek@redhat.com>
2035             Jakub Jelinek  <jakub@redhat.com>
2037         PR c++/83659
2038         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2039         fold_indirect_ref_1, including poly_*int64.  Verify first that
2040         tree_fits_poly_int64_p (op01).  Formatting fixes.
2042 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2044         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2045         * lambda.c (build_capture_proxy): Likewise.
2046         * search.c (field_access_p): Likewise.
2047         * semantics.c (omp_clause_decl, omp_privatize_field,
2048         finish_omp_clauses): Likewise.
2050 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2052         PR c++/83806
2053         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2054         case of nullptr too.
2056 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2058         * class.c (finish_struct): Fix std:initializer_list diagnostic
2059         formatting.
2061 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2063         PR c++/83204
2064         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2066 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2068         PR c++/84082
2069         * parser.c (cp_parser_dot_deref_incomplete): New function.
2070         (cp_parser_postfix_dot_deref_expression): Use it.
2072 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2074         PR c++/81610
2075         PR c++/80567
2076         * name-lookup.c (suggest_rid_p): New function.
2077         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2078         suggest_rid_p.
2080 2018-02-07  Jason Merrill  <jason@redhat.com>
2082         PR c++/84182 - ICE with captured lambda
2083         PR c++/84181
2084         * pt.c (extract_locals_r, extract_local_specs): New.
2085         (tsubst_pack_expansion): Use them.
2087 2018-02-07  Martin Liska  <mliska@suse.cz>
2089         PR c++/84059.
2090         * class.c (add_method): Append argument value.
2091         * cp-tree.h (maybe_version_functions): Add new argument.
2092         * decl.c (decls_match): Call it if a declaration does not
2093         have DECL_FUNCTION_VERSIONED.
2094         (maybe_version_functions): record argument is added.
2096 2018-02-05  Marek Polacek  <polacek@redhat.com>
2098         * class.c: Remove unused global variables.
2099         (build_primary_vtable): Don't gather statistics.
2100         (print_class_statistics): Remove.
2101         * cp-tree.h (print_class_statistics): Remove.
2102         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2104 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2106         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2107         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2108         * decl.c (next_initializable_field, find_decomp_class_base,
2109         cp_finish_decomp): Likewise.
2110         * typeck2.c (process_init_constructor_record): Likewise.
2112 2018-02-02  Jason Merrill  <jason@redhat.com>
2114         PR c++/84181 - ICE with lambda parm in template argument.
2115         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2117 2018-02-01  Jason Merrill  <jason@redhat.com>
2119         PR c++/84160 - ICE with nested variadic capture.
2120         * lambda.c (is_capture_proxy_with_ref): New.
2121         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2122         COMPONENT_REF.
2123         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2124         * constexpr.c (potential_constant_expression_1): Likewise.
2125         * semantics.c (process_outer_var_ref): Likewise.
2127 2018-02-01  Marek Polacek  <polacek@redhat.com>
2129         PR c++/84125
2130         * typeck.c (build_address): Relax the assert when
2131         processing_template_decl.
2133 2018-02-01  Jason Merrill  <jason@redhat.com>
2135         PR c++/84126 - ICE with variadic generic lambda
2136         PR c++/84036
2137         PR c++/82249
2138         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2139         PACK_EXPANSION_EXTRA_ARGS.
2141 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2143         PR c++/83796
2144         * call.c (convert_like_real): If w're initializing from {} explicitly
2145         call abstract_virtuals_error_sfinae.
2147 2018-01-31  Jason Merrill  <jason@redhat.com>
2148             Jakub Jelinek  <jakub@redhat.com>
2150         PR c++/83993
2151         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2152         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2153         on ADDR_EXPR.
2155 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2157         PR c++/83993
2158         * constexpr.c (diag_array_subscript): Emit different diagnostics
2159         if TYPE_DOMAIN (arraytype) is NULL.
2160         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2161         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2163 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2165         PR c++/84092
2166         * semantics.c (finish_qualified_id_expr): When handling an
2167         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2169 2018-01-31  Marek Polacek  <polacek@redhat.com>
2171         PR c++/84138
2172         * cp-gimplify.c (cp_fold): Check if X is an error node before
2173         calling useless_type_conversion_p.
2175 2018-01-30  Jason Merrill  <jason@redhat.com>
2177         PR c++/84091 - ICE with local class in lambda in template.
2178         * decl2.c (determine_visibility): Look for outer containing template
2179         instantiation.
2181         PR c++/84098 - ICE with lambda in template NSDMI.
2182         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2184 2018-01-29  Jason Merrill  <jason@redhat.com>
2186         PR c++/68810 - wrong location for reinterpret_cast error.
2187         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2188         !dofold.
2190 2018-01-29  Marek Polacek  <polacek@redhat.com>
2192         PR c++/83996
2193         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2194         => fooarray[1] in offset_int.
2196 2018-01-29  Jason Merrill  <jason@redhat.com>
2198         PR c++/83942 - wrong unused warning with static_cast.
2199         * cvt.c (ocp_convert): Call mark_rvalue_use.
2201 2018-01-26  Jason Merrill  <jason@redhat.com>
2203         PR c++/83956 - wrong dtor error with anonymous union
2204         * method.c (walk_field_subobs): Variant members only affect
2205         deletedness.
2206         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2208         PR c++/84036 - ICE with variadic capture.
2209         PR c++/82249
2210         * pt.c (tsubst_pack_expansion): When optimizing a simple
2211         substitution, pull a single pack expansion out of its pack.
2213         PR c++/82514 - ICE with local class in generic lambda.
2214         * pt.c (regenerated_lambda_fn_p): Remove.
2215         (enclosing_instantiation_of): Don't use it.
2216         (tsubst_function_decl): Call enclosing_instantiation_of.
2218         * pt.c (lookup_template_class_1): Add sanity check.
2219         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2221 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2223         PR c++/84031
2224         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2225         recursive calls that return ret.
2226         (cp_finish_decomp): Ignore unnamed bitfields.
2228 2018-01-23  Jason Merrill  <jason@redhat.com>
2230         PR c++/82249 - wrong mismatched pack length error.
2231         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2232         unsubstituted function parameter pack.
2234 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2236         PR c++/83921
2237         * decl.c (check_for_uninitialized_const_var): Not static; add
2238         bool and tsubst_flags_t parameters; adjust to be used both in
2239         constexpr context and not.
2240         * constexpr.c (potential_constant_expression_1): Use the above.
2241         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2243 2018-01-23  Jason Merrill  <jason@redhat.com>
2245         PR c++/83947 - ICE with auto declarations.
2246         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2247         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2249 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2251         PR c++/83974
2252         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2253         for pointer to member function types.
2255 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2257         PR sanitizer/83987
2258         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2259         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2261 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2263         PR c++/83988
2264         * pt.c (tsubst_baselink): Remove optype assert.
2265         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2267 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2269         PR c++/83958
2270         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2271         refers to incomplete type.
2273 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2275         Deprecate ARM-era for scope handling
2276         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2277         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2278         cleared.
2279         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2280         cleanup handling.
2281         * semantics.c (begin_for_scope): Flag_new_for_scope is
2282         boolean-like.
2283         (finish_for_stmt, begin_range_for_stmt): Likewise.
2285 2018-01-22  Jason Merrill  <jason@redhat.com>
2287         PR c++/83720
2288         * decl2.c (determine_visibility): Fix template_decl handling
2289         instead of blocking it.
2291         PR c++/83720 - ICE with lambda and LTO.
2292         * decl2.c (determine_visibility): Clear template_decl for
2293         function-scope decls.  Propagate anonymous linkage from containing
2294         function.
2296 2018-01-22  Marek Polacek  <polacek@redhat.com>
2298         PR c++/81933
2299         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2300         split out anything.
2302 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2304         PR c++/83895
2305         * decl.c (grokdeclarator): Don't diagnose extra parens
2306         on typedefs.
2308 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2310         PR c++/81167
2311         * call.c (joust): Use TREE_TYPE (source) if source is
2312         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2314         PR c++/83919
2315         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2316         for direct enum init.
2317         * decl.c (reshape_init): Likewise.
2319 2018-01-19  Marek Polacek  <polacek@redhat.com>
2321         * constexpr.c (fold_simple): Simplify.
2323 2018-01-18  Jason Merrill  <jason@redhat.com>
2325         PR c++/83714
2326         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2327         * pt.c (instantiation_dependent_scope_ref_p): True if
2328         any_dependent_bases_p.
2330 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2332         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2333         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2335 2018-01-18  Jason Merrill  <jason@redhat.com>
2337         PR c++/82461 - constexpr list-initialized member
2338         * constexpr.c (potential_constant_expression_1): Check
2339         TARGET_EXPR_DIRECT_INIT_P.
2341 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2343         PR c++/81013
2344         * decl.c (xref_basetypes): Early return upon error about derived
2345         union.
2347 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2349         PR c++/83160
2350         * cp-tree.h (mark_use): Declare.
2351         * expr.c (mark_use): Make extern.
2352         * call.c (direct_reference_binding): Set inner conv's
2353         rvaluedness_matches_p, if it is an identity.
2354         (convert_like_real): Mark lvalue or rvalue use for identity as
2355         rvaledness_matches_p demands.
2357 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2359         PR c++/83824
2360         * parser.c (attr_chainon): New function.
2361         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2362         cp_parser_namespace_definition, cp_parser_init_declarator,
2363         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2364         cp_parser_gnu_attributes_opt): Use it.
2365         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2366         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2367         prefix_attributes if attributes is error_mark_node.
2369 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2371         PR c++/78344
2372         * decl.c (grokdeclarator): Do not append the error_mark_node
2373         due to an erroneous optional attribute-specifier-seq.
2375 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2377         PR c++/83897
2378         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2379         CLEANUP_POINT_EXPR.
2381 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2383         PR c++/81054
2384         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2385         error_mark_node when we give an error.
2386         * decl.c (cp_finish_decl): Use the latter.
2388 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2390         PR c++/83287
2391         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2393 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2395         PR c++/83814
2396         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2397         the C++ part.  If processing a template, call
2398         fold_non_dependent_expr rather than fully folding.
2400 2018-01-17  Jason Merrill  <jason@redhat.com>
2402         PR c++/81067 - redundant NULL warning.
2403         * call.c (convert_like_real): Restore null_node handling.
2405 2018-01-17  Jason Merrill  <jason@redhat.com>
2407         PR c++/81843 - ICE with variadic member template.
2408         PR c++/72801
2409         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2410         template args.
2412 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2414         PR c++/83799
2415         * pt.c (type_dependent_expression_p): Strip any location wrapper
2416         before testing tree codes.
2417         (selftest::test_type_dependent_expression_p): New function.
2418         (selftest::cp_pt_c_tests): Call it.
2420 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2422         PR c++/83739
2423         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2424         this not a final instantiation.
2426 2018-01-16  Jason Merrill  <jason@redhat.com>
2428         PR c++/83714 - ICE checking return in template.
2429         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2431 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2433         PR c++/83817
2434         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2435         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2436         instead of CALL_FROM_THUNK_P.
2438         PR c++/83825
2439         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2440         (resort_type_member_vec, set_class_bindings,
2441         insert_late_enum_def_bindings): Use vec qsort method instead of
2442         calling qsort directly.
2444 2018-01-15  Martin Sebor  <msebor@redhat.com>
2446         PR c++/83588
2447         * class.c (find_flexarrays): Make a record of multiple flexible array
2448         members.
2450 2018-01-12  Jason Merrill  <jason@redhat.com>
2452         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2453         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2455 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2457         * cp-tree.h (mark_rvalue_use): Add parm name.
2458         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2459         mark_rvalue_use.
2460         * call.c (convert_like_real): Fix formatting.
2462 2018-01-11  Jason Merrill  <jason@redhat.com>
2464         PR c++/82728 - wrong -Wunused-but-set-variable
2465         PR c++/82799
2466         PR c++/83690
2467         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2468         * decl.c (case_conversion): Likewise.
2469         * semantics.c (finish_static_assert): Call
2470         perform_implicit_conversion_flags.
2472 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2474         * method.c (enum mangling_flags): Delete long-dead enum.
2476 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2478         * parser.c (cp_parser_std_attribute_spec): When
2479         token_pair::require_open / require_close return false simply
2480         return error_mark_node, avoid duplicate cp_parser_error about
2481         expected '(' / ')', respectively.
2483 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2485         PR c++/43486
2486         * call.c (null_ptr_cst_p): Strip location wrappers when
2487         converting from '0' to a pointer type in C++11 onwards.
2488         (conversion_null_warnings): Replace comparison with null_node with
2489         call to null_node_p.
2490         (build_over_call): Likewise.
2491         * cp-gimplify.c (cp_fold): Remove the early bailout when
2492         processing_template_decl.
2493         * cp-lang.c (selftest::run_cp_tests): Call
2494         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2495         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2496         (selftest::run_cp_tests): Move decl to bottom of file.
2497         (null_node_p): New inline function.
2498         (selftest::cp_pt_c_tests): New decl.
2499         (selftest::cp_tree_c_tests): New decl.
2500         * cvt.c (build_expr_type_conversion): Replace comparison with
2501         null_node with call to null_node_p.
2502         * error.c (args_to_string): Likewise.
2503         * except.c (build_throw): Likewise.
2504         * mangle.c (write_expression): Skip location wrapper nodes.
2505         * parser.c (literal_integer_zerop): New function.
2506         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2507         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2508         param of cp_parser_parenthesized_expression_list.  When calling
2509         warn_for_memset, replace integer_zerop calls with
2510         literal_integer_zerop, eliminating the double logical negation
2511         cast to bool.  Eliminate the special-casing for CONST_DECL in
2512         favor of the fold_for_warn within warn_for_memset.
2513         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2514         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2515         maybe_add_location_wrapper on it when wrap_locations_p is true.
2516         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2517         the result for RID_ALIGNOF and RID_SIZEOF.
2518         (cp_parser_builtin_offsetof): Likewise.
2519         * pt.c: Include "selftest.h".
2520         (tsubst_copy): Handle location wrappers.
2521         (tsubst_copy_and_build): Likewise.
2522         (build_non_dependent_expr): Likewise.
2523         (selftest::test_build_non_dependent_expr): New function.
2524         (selftest::cp_pt_c_tests): New function.
2525         * tree.c: Include "selftest.h".
2526         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2527         (selftest::test_lvalue_kind): New function.
2528         (selftest::cp_tree_c_tests): New function.
2529         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2530         (cp_build_binary_op): Replace comparison with null_node with call
2531         to null_node_p.
2532         (build_address): Use location of operand when building address
2533         expression.
2535 2018-01-10  Marek Polacek  <polacek@redhat.com>
2537         PR c++/82541
2538         * call.c (build_conditional_expr_1): Check complain before warning.
2539         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2540         -Wduplicated-branches.
2542 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2544         PR c++/81327
2545         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2546         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2547         args uses and check number of operands too.  Don't strip away any
2548         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2549         Deal with src argument not having pointer type.  Check
2550         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2551         test.
2552         (build_over_call): Call maybe_warn_class_memaccess here on the
2553         original arguments.
2554         (build_cxx_call): Rather than here on converted arguments.
2556 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2558         PR c++/81055
2559         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2560         error_mark_node as second argument.
2562 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2564         PR c++/83734
2565         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2566         in STATEMENT_LIST.  Remove unneeded assert.
2568 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2569             Alan Hayward  <alan.hayward@arm.com>
2570             David Sherwood  <david.sherwood@arm.com>
2572         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2573         VECTOR_CST_NELTS.
2574         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2575         * call.c (build_conditional_expr_1): Likewise.
2576         * decl.c (cp_finish_decomp): Likewise.
2577         * mangle.c (write_type): Likewise.
2578         * typeck.c (structural_comptypes): Likewise.
2579         (cp_build_binary_op): Likewise.
2580         * typeck2.c (process_init_constructor_array): Likewise.
2582 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2584         PR c++/83555
2585         * typeck.c (build_static_cast_1): For static casts to reference types,
2586         call build_base_path with flag_delete_null_pointer_checks as nonnull
2587         instead of always false.  When -fsanitize=null, call
2588         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2589         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2590         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2592 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2594         PR c++/83667
2595         * method.c (make_alias_for): Copy DECL_CONTEXT.
2597 2018-01-03  Marek Polacek  <polacek@redhat.com>
2599         PR c++/83592
2600         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2602 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2604         PR preprocessor/83602
2605         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2606         for builtin macros.
2608         PR c++/83634
2609         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2610         error_mark_node, return error_mark_node.
2612         Update copyright years.
2614 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2616         PR c++/83556
2617         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2618         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2619         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2620         to false and return.
2621         (replace_placeholders): Pass NULL instead of &pset as last argument
2622         to cp_walk_tree.
2624 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2626         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2627         lval var.
2629 Copyright (C) 2018 Free Software Foundation, Inc.
2631 Copying and distribution of this file, with or without modification,
2632 are permitted in any medium without royalty provided the copyright
2633 notice and this notice are preserved.