2018-05-15 Paolo Carlini <paolo.carlini@oracle.com>
[official-gcc.git] / gcc / cp / ChangeLog
blob322c5b9ed99c89eb0dc207a50436a5362461caab
1 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
3         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
4         (FOR_EACH_CLONE): Update.
5         * decl.c (grokdeclarator): Use it.
6         * decl2.c (vague_linkage_p): Likewise.
7         * mangle.c (mangle_decl): Likewise.
8         * method.c (lazily_declare_fn): Likewise.
9         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
10         * repo.c (repo_emit_p): Likewise.
11         * tree.c (decl_linkage): Likewise.
13 2018-05-14  Jason Merrill  <jason@redhat.com>
15         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
16         * tree.c (build_cp_fntype_variant): New.
17         (build_ref_qualified_type, build_exception_variant)
18         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
19         (cxx_type_hash_eq, cp_check_qualified_type): Check
20         TYPE_HAS_LATE_RETURN_TYPE.
21         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
22         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
23         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
24         (adjust_clone_args): Likewise.
25         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
26         build_cp_fntype_variant.
27         (grokdeclarator): Pass late_return_type_p to grokfndecl.
28         (check_function_type): Use cxx_copy_lang_qualifiers.
29         (static_fn_type): Use cxx_copy_lang_qualifiers.
30         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
31         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
32         (change_return_type): Use cxx_copy_lang_qualifiers.
33         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
34         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
35         return type on the declarator like a normal trailing return type.
36         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
37         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
38         * typeck.c (merge_types): Use build_cp_fntype_variant.
40 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
42         * cp-tree.h (TYPE_REF_P): New.
43         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
44         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
45         direct_reference_binding, reference_binding, implicit_conversion,
46         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
47         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
48         build_over_call, perform_implicit_conversion_flags,
49         extend_ref_init_temps, type_has_extended_temps): Use it.
50         * class.c (one_inheriting_sig, check_field_decls,
51         check_bases_and_members, find_flexarrays, finish_struct,
52         fixed_type_or_null): Likewise.
53         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
54         non_const_var_error, cxx_eval_constant_expression,
55         potential_constant_expression_1): Likewise.
56         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
57         cp_genericize_r, cxx_omp_privatize_by_reference,
58         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
59         cp_fold_maybe_rvalue): Likewise.
60         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
61         * cvt.c (build_up_reference, convert_to_reference,
62         convert_from_reference, convert_to_void, noexcept_conv_p,
63         fnptr_conv_p): Likewise.
64         * decl.c (poplevel, check_for_uninitialized_const_var,
65         check_initializer, initialize_local_var, cp_finish_decl,
66         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
67         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
68         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
69         decl_maybe_constant_var_p): Likewise.
70         * error.c (dump_type_prefix, dump_expr): Likewise.
71         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
72         is_admissible_throw_operand_or_catch_parameter): Likewise.
73         * expr.c (mark_use): Likewise.
74         * init.c (build_zero_init_1, build_value_init_noctor,
75         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
76         build_new, build_delete): Likewise.
77         * lambda.c (build_lambda_object): Likewise.
78         * mangle.c (write_expression, write_template_arg): Likewise.
79         * method.c (forward_parm, do_build_copy_constructor,
80         do_build_copy_assign, build_stub_object, constructible_expr,
81         walk_field_subobs): Likewise.
82         * parser.c (cp_parser_omp_for_loop_init,
83         cp_parser_omp_declare_reduction_exprs,
84         cp_parser_omp_declare_reduction): Likewise.
85         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
86         convert_template_argument, tsubst_pack_expansion,
87         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
88         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
89         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
90         value_dependent_expression_p, build_deduction_guide): Likewise.
91         * semantics.c (finish_handler_parms, finish_non_static_data_member,
92         finish_compound_literal, omp_privatize_field,
93         handle_omp_array_sections_1, handle_omp_array_sections,
94         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
95         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
96         finish_omp_clauses, finish_decltype_type, capture_decltype,
97         finish_builtin_launder): Likewise.
98         * tree.c (lvalue_kind, cp_build_reference_type, move,
99         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
100         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
101         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
102         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
103         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
104         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
105         convert_for_initialization,
106         maybe_warn_about_returning_address_of_local, check_return_expr,
107         cp_type_quals, casts_away_constness, non_reference): Likewise.
108         * typeck2.c (cxx_readonly_error, store_init_value,
109         process_init_constructor_record, build_x_arrow, build_functional_cast,
110         add_exception_specifier): Likewise.
112 2018-05-14  Jason Merrill  <jason@redhat.com>
114         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
115         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
117 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
119         PR c/85696
120         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
121         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
122         cxx_omp_predetermined_sharing_1.  Rename old function to ...
123         (cxx_omp_predetermined_sharing_1): ... this.
124         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
125         instead of cxx_omp_predetermined_sharing.
127 2018-05-10  Jason Merrill  <jason@redhat.com>
129         * decl.c (cp_finish_decl): Don't instantiate auto variable.
130         (check_static_variable_definition): Allow auto.
131         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
133         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
134         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
136         Core issue 2310 - conversion to base of incomplete type.
137         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
139         CWG 2267 - list-initialization of reference temporary
140         * call.c (reference_binding): List-initializing a reference
141         temporary is copy-list-initialization.
143         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
145         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
146         instantiation in template context.
148         * class.c (vbase_has_user_provided_move_assign): Use
149         user_provided_p.
151         * lambda.c (lambda_expr_this_capture): Improve logic.
153         * decl.c (make_typename_type): s/parameters/arguments/.
154         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
155         * pt.c (make_pack_expansion): Correct error message.
157 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
159         PR c++/85662
160         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
161         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
162         fold_convert.
164 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
166         PR c++/85400
167         * decl2.c (adjust_var_decl_tls_model): New static function.
168         (comdat_linkage): Call it on a variable.
169         (maybe_make_one_only): Likewise.
171 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
173         PR c++/85713
174         Revert:
175         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
177         PR c++/84588
178         * parser.c (cp_parser_parameter_declaration_list): When the
179         entire parameter-declaration-list is erroneous maybe call
180         abort_fully_implicit_template.
182 2018-05-08  Jason Merrill  <jason@redhat.com>
184         PR c++/85706 - class deduction under decltype
185         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
186         *walk_subtrees whether or not we walked into the operand.
187         (type_uses_auto): Only look at deduced contexts.
189 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
191         PR c++/84588
192         * parser.c (cp_parser_parameter_declaration_list): When the
193         entire parameter-declaration-list is erroneous maybe call
194         abort_fully_implicit_template.
196 2018-05-08  Marek Polacek  <polacek@redhat.com>
198         PR c++/85695
199         * semantics.c (finish_if_stmt_cond): See through typedefs.
201 2018-05-07  Jason Merrill  <jason@redhat.com>
203         PR c++/85646 - lambda visibility.
204         * decl2.c (determine_visibility): Don't mess with template arguments
205         from the containing scope.
206         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
207         thunk.
209 2018-05-07  Nathan Sidwell  <nathan@acm.org>
211         Remove fno-for-scope
212         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
213         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
214         (SET_DECL_SHADOWED_FOR_VAR): Delete.
215         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
216         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
217         Don't declare.
218         * name-lookup.h (struct cp_binding_level): Remove
219         dead_vars_from_for field.
220         * cp-lang.c (cp_init_ts): Delete.
221         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
222         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
223         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
224         (init_shadowed_var_for_decl): Delete.
225         * decl.c (poplevel): Remove shadowed for var handling.
226         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
227         * name-lookup.c (find_local_binding): Remove shadowed for var
228         handling.
229         (check_local_shadow): Likewise.
230         (check_for_out_of_scope_variable): Delete.
231         * parser.c (cp_parser_primary_expression): Remove shadowed for var
232         handling.
233         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
234         * semantics.c (begin_for_scope): Always have a scope.
235         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
236         (begin_range_for_stmt, finish_id_expression): Likewise.
238 2018-05-07  Jason Merrill  <jason@redhat.com>
240         PR c++/85618 - ICE with initialized VLA.
241         * tree.c (vla_type_p): New.
242         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
243         rather than array_of_runtime_bound_p.
245 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
247         * cvt.c (ocp_convert): Early handle the special case of a
248         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
250 2018-05-03  Jason Merrill  <jason@redhat.com>
252         PR c++/85600 - virtual delete failure.
253         * init.c (build_delete): Always save_expr when deleting.
255 2018-05-03  Nathan Sidwell  <nathan@acm.org>
257         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
258         * name-lookup.c (do_pushdecl): Likewise.
260 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
261             Jason Merrill  <jason@redhat.com>
263         PR c++/68374
264         * name-lookup.c (check_local_shadow): Don't handle static old
265         declarations in the block handling locals shadowing locals.
267 2018-05-01  Jason Merrill  <jason@redhat.com>
269         PR c++/85587 - error with scoped enum in template.
270         * semantics.c (finish_qualified_id_expr): Don't return an
271         unqualified IDENTIFIER_NODE.
273 2018-04-30  Jason Merrill  <jason@redhat.com>
275         PR c++/85580 - extern "C" and local variables
276         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
278         PR c++/84701 - unsigned typeof.
279         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
280         of long/short/signed/unsigned.
282         PR c++/85305 - pack in lambda init-capture.
283         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
284         check_for_bare_parameter_packs in a subexpression.
285         (cp_parser_lambda_introducer): Use it.
287         PR c++/61982 - dead stores to destroyed objects.
288         * call.c (build_trivial_dtor_call): New, assigns a clobber.
289         (build_over_call, build_special_member_call): Use it.
290         * cp-tree.h: Declare it.
291         * init.c (build_delete): Remove trivial path.
293         * init.c (build_dtor_call): Use build_special_member_call.
294         (build_delete): Remove redundant uses of save_addr.
296         * decl.c (build_clobber_this): Use build_clobber.
298 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
300         PR c++/85553
301         * init.c (build_zero_init_1): For zero initialization of
302         NULLPTR_TYPE_P type use build_int_cst directly.
304 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
306         PR c++/85515
307         * name-lookup.c (consider_binding_level): Skip compiler-generated
308         variables.
309         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
310         nested if statements into a series of rejection tests.  Reject
311         lambda-ignored entities as suggestions.
313 2018-04-27  Jason Merrill  <jason@redhat.com>
315         * cvt.c (cp_fold_convert): Use convert_ptrmem.
316         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
318 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
320         PR c++/84691
321         * decl.c (grokdeclarator): Clear friendp upon definition in local
322         class definition error.
324 2018-04-27  Jason Merrill  <jason@redhat.com>
326         PR c++/85545 - ICE with noexcept PMF conversion.
327         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
328         build_ptrmemfunc.
329         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
330         adjustment.
331         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
333 2018-04-27  Nathan Sidwell  <nathan@acm.org>
335         * typeck.c (convert_ptrmem): Move local var decls to initialization.
337         * cp-tree.h (TEMPLATE_INFO): Fix comments.
338         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
339         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
340         (dump, print_other_binding_stacks): Remove declarations.
341         * name-lookup.c (print_other_binding_stack): Make static.
342         * pt.c (build_template_decl): Make static.
344 2018-04-26  Jason Merrill  <jason@redhat.com>
346         PR c++/85545 - ICE with noexcept PMF conversion.
347         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
349 2018-04-25  Nathan Sidwell  <nathan@acm.org>
351         PR c++/85437
352         PR c++/49171
353         * cp-tree.h (REINTERPRET_CAST_P): New.
354         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
355         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
356         for non-trivial PTRMEM_CST cases.
357         * typeck.c (build_nop_reinterpret): New.
358         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
359         NOP_EXPRs returned by cp_convert.
361 2018-04-23  Jason Merrill  <jason@redhat.com>
363         PR c++/69560 - wrong alignof(double) on x86.
364         CWG 1879 - Inadequate definition of alignment requirement.
365         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
366         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
367         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
368         (cxx_alignof_expr): Pass it.
369         * parser.c (cp_parser_unary_expression): Pass it.
370         * pt.c (tsubst_copy): Copy it.
371         (tsubst_copy_and_build): Pass it.
372         * decl.c (fold_sizeof_expr): Pass it.
374 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
375             Jason Merrill  <jason@redhat.com>
377         PR c++/85470 - wrong error with static data member.
378         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
379         * typeck2.c (store_init_value): Likewise.
381 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
383         PR c++/85462
384         * cp-tree.h (tinst_level): Remove in_system_header_p member,
385         change refcount member from unsigned char to unsigned short,
386         add refcount_infinity static data member, adjust comments.
387         * pt.c (tinst_level::refcount_infinity): Define.
388         (inc_refcount_use): Remove assert, don't increment if refcount
389         is already refcount_infinity, adjust comment.
390         (dec_refcount_use): Remove assert, don't decrement if refcount
391         is refcount_infinity, adjust comment.
392         (push_tinst_level_loc): Formatting fix.
394 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
396         PR c++/84611
397         * pt.c (lookup_template_class_1): Check pushtag return value for
398         error_mark_node.
400 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
402         PR c++/80290
403         * cp-tree.h (tinst_level::free): Fix whitespace.
405 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
407         PR c++/84630
408         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
409         for error_mark_node.
411 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
413         PR c++/84463
414         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
415         tricks from here to ...
416         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
417         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
419 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
421         PR c++/80290
422         * cp-tree.h (struct tinst_level): Split decl into tldcl and
423         targs.  Add private split_list_p, tree_list_p, and not_list_p
424         inline const predicates; to_list private member function
425         declaration; free public member function declaration; list_p,
426         get_node and maybe_get_node accessors, and refcount data
427         member.  Narrow errors to unsigned short.
428         * error.c (print_instantiation_full_context): Use new
429         accessors.
430         (print_instantiation_partial_context_line): Likewise.  Drop
431         const from tinst_level-typed parameter.
432         * mangle.c (mangle_decl_string): Likewise.
433         * pt.c (freelist): New template class.
434         (tree_list_freelist_head): New var.
435         (tree_list_freelist): New fn, along with specializations.
436         (tinst_level_freelist_head): New var.
437         (pending_template_freelist_head): Likewise.
438         (tinst_level_freelist, pending_template_freelist): New fns.
439         (tinst_level::to_list, tinst_level::free): Define.
440         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
441         (set_refcount_ptr): New template fn.
442         (add_pending_template): Adjust for refcounting, freelists and
443         new accessors.
444         (neglectable_inst_p): Take a NULL d as a non-DECL.
445         (limit_bad_template_recursion): Use new accessors.
446         (push_tinst_level): New overload to create the list.
447         (push_tinst_level_loc): Make it static, split decl into two
448         args, adjust tests and initialization to cope with split
449         lists, use freelist, adjust for refcounting.
450         (push_tinst_level_loc): New wrapper with the old interface.
451         (pop_tinst_level): Adjust for refcounting.
452         (record_last_problematic_instantiation): Likewise.
453         (reopen_tinst_level): Likewise.  Use new accessors.
454         (instantiate_alias_template): Adjust for split list.
455         (fn_type_unification): Likewise.
456         (get_partial_spec_bindings): Likewise.
457         (instantiate_pending_templates): Use new accessors.  Adjust
458         for refcount.  Release pending_template to freelist.
459         (instantiating_current_function_p): Use new accessors.
461 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
463         PR c++/85039
464         * parser.c (cp_parser_builtin_offset): Reject type definitions.
465         * mangle.c (nested_anon_class_index): Avoid crash returning -1
466         if we've seen errors.
468 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
470         PR c++/85385
471         * name-lookup.c (macro_use_before_def::maybe_make): New function,
472         checking that the use is indeed before the definition.
473         (macro_use_before_def::macro_use_before_def): Make private.
474         (macro_use_before_def::~macro_use_before_def): Make private.  Move
475         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
476         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
477         than using new directly.
479 2018-04-12  Jason Merrill  <jason@redhat.com>
481         PR c++/85356 - ICE with pointer to member function.
482         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
483         flag_noexcept_type.  Build the new spec within the function context.
484         * except.c (build_noexcept_spec): Do get constant value in templates
485         if flag_noexcept_type.
486         * decl.c (check_redeclaration_exception_specification): Don't
487         instantiate noexcept on a dependent declaration.
489 2018-04-12  Marek Polacek  <polacek@redhat.com>
491         PR c++/85258
492         * constexpr.c (reduced_constant_expression_p): Return false for null
493         trees.
495 2018-04-11  Marek Polacek  <polacek@redhat.com>
497         PR c++/85032
498         * constexpr.c (potential_constant_expression_1): Consider conversions
499         from classes to literal types potentially constant.
501 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
503         PR c++/70808
504         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
505         the type like TYPE_PTR_OR_PTRMEM_P.
507 2018-04-10  Jason Merrill  <jason@redhat.com>
509         PR debug/65821 - wrong location for main().
510         * call.c (clear_location_r, convert_default_arg): Revert.
511         * tree.c (break_out_target_exprs): Add clear_location parm.
512         (struct bot_data): New.
513         (bot_manip): Clear location if requested.
514         * init.c (get_nsdmi): Pass clear_location.
516 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
518         PR c++/85110
519         * call.c (get_fndecl_argument_location): Make non-static.
520         * cp-tree.h (get_fndecl_argument_location): New decl.
521         * typeck.c (convert_for_assignment): When complaining due to
522         conversions for an argument, show the location of the parameter
523         within the decl.
525 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
527         PR c++/85312 - P0962 cleanup
528         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
529         diagnostics.
531 2018-04-10  Jason Merrill  <jason@redhat.com>
533         PR debug/65821 - wrong location for main().
534         * call.c (clear_location_r): New.
535         (convert_default_arg): Use it.
536         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
538         PR c++/85285 - ICE with flexible array after substitution.
539         * pt.c (instantiate_class_template_1): Check for flexible array in
540         union.
542 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
544         PR c++/85227
545         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
546         issue a pedwarn and defer trying to do bindings.
548 2018-04-09  Jason Merrill  <jason@redhat.com>
550         PR c++/85279 - dump_expr doesn't understand decltype.
551         * error.c (dump_expr): Handle DECLTYPE_TYPE.
553         PR c++/85262 - ICE with redundant qualification on constructor.
554         * call.c (build_new_method_call_1): Move make_args_non_dependent
555         after A::A() handling.
557         PR c++/85277 - ICE with invalid offsetof.
558         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
559         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
561         PR c++/85264 - ICE with excess template-parameter-list.
562         * parser.c (cp_parser_check_template_parameters): Add template_id_p
563         parameter.  Don't allow an extra template header if true.
564         (cp_parser_class_head): Pass template_id_p.
565         (cp_parser_elaborated_type_specifier): Likewise.
566         (cp_parser_alias_declaration): Likewise.
567         (cp_parser_check_declarator_template_parameters): Likewise.
569 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
571         PR c++/85194
572         * parser.c (cp_parser_simple_declaration): For structured bindings,
573         if *maybe_range_for_decl is NULL after parsing it, set it to
574         error_mark_node.
576 2018-04-09  Jason Merrill  <jason@redhat.com>
578         PR c++/85256 - ICE capturing pointer to VLA.
579         * lambda.c (add_capture): Distinguish between variable-size and
580         variably-modified types.
582 2018-04-06  Jason Merrill  <jason@redhat.com>
584         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
585         * pt.c (extract_locals_r): Remember local typedefs.
587 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
589         PR c++/84269
590         * name-lookup.c (struct std_name_hint): Move out of
591         get_std_name_hint; add field "min_dialect".
592         (get_std_name_hint): Add min_dialect values to all initializers.
593         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
594         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
595         <shared_mutex>, <string_view>, <thread>, and <variant>.
596         Add fstream, ifstream, and ofstream to <fstream>.
597         Add istringstream, ostringstream, and stringstream to <sstream>.
598         Add basic_string to <string>.
599         Add tuple_element and tuple_size to <tuple>.
600         Add declval to <utility>.
601         Fix ordering of <queue> and <tuple>.
602         Return a std_name_hint, rather than a const char *.
603         (get_cxx_dialect_name): New function.
604         (maybe_suggest_missing_std_header): Detect names that aren't yet
605         available in the current dialect, and instead of suggesting a
606         missing #include, warn about the dialect.
608 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
610         PR c++/85210
611         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
612         errorcount is set if tsubst doesn't return a VAR_DECL.
614 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
616         PR c++/85021
617         * name-lookup.c (using_directives_contain_std_p): New function.
618         (has_using_namespace_std_directive_p): New function.
619         (suggest_alternatives_for): Simplify if/else logic using early
620         returns.  If no candidates were found, and there's a
621         "using namespace std;" directive, call
622         maybe_suggest_missing_std_header.
623         (maybe_suggest_missing_header): Split later part of the function
624         into..
625         (maybe_suggest_missing_std_header): New.
627 2018-04-06  Jason Merrill  <jason@redhat.com>
629         PR c++/85242 - ICE with class definition in template parm.
630         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
631         processing_template_parmlist.
633         PR c++/85240 - LTO ICE with using of undeduced auto fn.
634         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
636 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
638         PR c++/85209
639         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
640         is not prev, if prev == decl.
642         PR c++/85208
643         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
644         maybe_apply_pragma_weak here...
645         (cp_maybe_mangle_decomp): ... but call it here instead.
647 2018-04-05  Jason Merrill  <jason@redhat.com>
649         PR c++/85136 - ICE with designated init in template.
650         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
651         designated initializer.
652         (check_array_designated_initializer): Update ce->index with the
653         constant value.
655         PR c++/83808 - ICE with VLA initialization.
656         * typeck2.c (process_init_constructor_array): Don't require a VLA
657         initializer to have VLA type.
659 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
661         PR c++/80956
662         * call.c (convert_like_real): Fail gracefully for a broken
663         std::initializer_list, missing a definition.
665         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
667 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
669         PR c++/84792
670         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
671         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
673 2018-04-05  Jason Merrill  <jason@redhat.com>
675         PR c++/82152 - ICE with class deduction and inherited ctor.
676         * pt.c (do_class_deduction): Ignore inherited ctors.
678         PR c++/84665 - ICE with array of empty class.
679         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
681         PR c++/85228 - ICE with lambda in enumerator in template.
682         * pt.c (bt_instantiate_type_proc): Don't assume
683         CLASSTYPE_TEMPLATE_INFO is non-null.
685 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
687         Implement P0969
688         * decl.c (find_decomp_class_base): Check accessibility instead
689         of declared access, adjust diagnostic.
691 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
693         Implement P0961
694         * decl.c (get_tuple_decomp_init): Check the templatedness
695         of a member get.
697 2018-04-05  Jason Merrill  <jason@redhat.com>
699         PR c++/85200 - ICE with constexpr if in generic lambda.
700         * pt.c (extract_locals_r): Don't record the local specs of variables
701         declared within the pattern.
703 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
705         PR c++/84979
706         * pt.c (check_auto_in_tmpl_args): New.
707         (tsubst_qualified_id): Use it to reject template args
708         referencing auto for non-type templates.
709         * parser.c (cp_parser_template_id): Likewise.
710         * cp-tree.h (check_auto_in_tmpl_args): Declare.
711         * typeck2.c (build_functional_cast): Report correct location
712         for invalid use of auto.
714 2018-04-04  Jason Merrill  <jason@redhat.com>
716         PR c++/85215 - ICE with copy-init from conversion.
717         * call.c (merge_conversion_sequences): Fix type of direct binding
718         sequence.
720         PR c++/84938 - ICE with division by ~-1.
721         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
723         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
724         * parser.c (cp_parser_mem_initializer_list): Call
725         check_for_bare_parameter_packs.
727 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
729         PR inline-asm/85172
730         * constexpr.c (cxx_eval_builtin_function_call): For calls to
731         builtin_valid_in_constant_expr_p functions, don't call
732         cxx_eval_constant_expression if argument is not
733         potential_constant_expression.
735         PR c++/85146
736         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
737         argument.
738         * semantics.c (calculate_bases): Add complain argument.  Use
739         complete_type_or_maybe_complain instead of just complete_type and
740         return an empty vector if it fails.  Move make_tree_vector () call
741         after early return.  Formatting fixes.
742         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
743         end.
744         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
745         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
746         calculate_direct_bases callers, formatting fixes.
748 2018-04-04  Jason Merrill  <jason@redhat.com>
750         PR c++/85006 - -fconcepts ICE with A<auto...> return type
751         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
753         PR c++/85200 - ICE with constexpr if in generic lambda.
754         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
756         PR c++/84221 - bogus -Wunused with attribute and template.
757         * decl2.c (is_late_template_attribute): Handle unused and used
758         normally on non-TYPE_DECL.
760         PR c++/85135 - ICE with omitted template arguments.
761         * decl.c (grokdeclarator): Catch deduced class type in trailing
762         return type.
764         PR c++/85133 - ICE with missing concept initializer.
765         * decl.c (cp_finish_decl): If a concept initializer is missing, use
766         true.
768         PR c++/85118 - wrong error with generic lambda and std::bind.
769         * call.c (add_template_conv_candidate): Disable if there are any
770         call operators.
772         PR c++/85141 - ICE with compound assignment and static member fn.
773         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
774         compound assignment.
776         PR c++/85148 - ICE with 'this' in array NSDMI.
777         * tree.c (replace_placeholders_r): Use handled_component_p.
779 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
781         PR c++/65923
782         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
783         * parser.c (cp_parser_unqualified_id): ..not here.
785 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
787         PR c++/84943
788         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
789         used.
790         * decl2.c (mark_used): Return without effects if tf_conv.
792 2018-04-03  Jason Merrill  <jason@redhat.com>
794         PR c++/85092 - C++17 ICE with unused list constructor.
795         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
796         from a TARGET_EXPR.
798         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
799         * constexpr.c (cxx_eval_builtin_function_call): Only defer
800         __builtin_constant_p if ctx->quiet.
802 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
804         PR c++/84768
805         * pt.c (rewrite_template_parm): If the first argument is
806         error_mark_node return it immediately.
807         (build_deduction_guide): Check the return value of the
808         latter for error_mark_node.
809         (do_class_deduction): Check the return value of the latter.
811 2018-04-03  Jason Merrill  <jason@redhat.com>
813         * semantics.c (finish_if_stmt_cond): Use
814         instantiation_dependent_expression_p.
816         PR c++/85149 - generic lambda and constexpr if.
817         * pt.c (build_extra_args, add_extra_args): Split from
818         tsubst_pack_expansion.
819         (tsubst_expr) [IF_STMT]: Use them.
820         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
822         * typeck.c (merge_types): Limit matching attribute shortcut to
823         the default case.
825 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
827         PR c++/85147
828         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
830         PR c++/85140
831         * name-lookup.c (handle_namespace_attrs): Return early if attributes
832         is error_mark_node.
834         PR c++/85134
835         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
836         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
837         instead for static data members clear init and set DECL_EXTERNAL.
839 2018-04-02  Jason Merrill  <jason@redhat.com>
841         PR c++/64095 - auto... parameter pack.
842         * parser.c (cp_parser_parameter_declaration): Handle turning autos
843         into packs here.
844         (cp_parser_parameter_declaration_list): Not here.
846 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
848         PR c++/85027
849         * class.c (instantiate_type): Peel off SAVE_EXPR before
850         BASELINK.
852 2018-03-30  Jason Merrill  <jason@redhat.com>
854         * typeck2.c (process_init_constructor_record): Use
855         init_list_type_node for the CONSTRUCTOR around an anonymous union
856         designated initializer.
858 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
860         PR c++/84791
861         * semantics.c (finish_omp_reduction_clause): If
862         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
863         even if processing_template_decl.
865 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
867         PR c++/84269
868         * name-lookup.c (get_std_name_hint): Add names from <memory>,
869         <tuple>, and <utility>.
871 2018-03-29  Jason Merrill  <jason@redhat.com>
873         PR c++/85093 - too many template args with pack expansion.
874         * pt.c (coerce_template_parms): Keep pack expansion args that will
875         need to be empty.
877 2018-03-29  Jason Merrill  <jason@redhat.com>
879         * pt.c (build_non_dependent_expr): Propagate expr location.
881 2018-03-27  Jason Merrill  <jason@redhat.com>
883         PR c++/85060 - wrong-code with call to base member in template.
884         * search.c (any_dependent_bases_p): Check uses_template_parms
885         rather than processing_template_decl.
887 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
889         PR c++/85110
890         * typeck.c (convert_for_assignment): When complaining due to
891         conversions for an argument, attempt to use the location of the
892         argument.
894 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
896         PR c++/85028
897         * pt.c (tsubst_default_argument): Early return if the type of the
898         parameter is erroneous.
900 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
902         PR c++/84973
903         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
904         templates.
906         PR c++/84968
907         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
909 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
911         PR c++/85067
912         * method.c (defaulted_late_check): Partially revert r253321 changes,
913         do not early return upon error.
915 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
917         PR c++/85077
918         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
919         type call fold to generate VECTOR_CSTs when possible.
921         PR c++/85076
922         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
923         return it right away.
925 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
927         * search.c (check_final_overrider): Use inform instead of error
928         for the diagnostics of the overridden functions.  Tweak wording.
930 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
932         PR c++/85068
933         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
934         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
936 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
937             Jason Merrill  <jason@redhat.com>
939         PR c++/84632
940         * init.c (build_aggr_init): When initializing from array,
941         reject anything but CONSTRUCTORs and TARGET_EXPRs.
942         (build_vec_init): Handle separately ARRAY_TYPEs.
944 2018-03-26  Jason Merrill  <jason@redhat.com>
946         PR c++/85062 - ICE with alignas in wrong place.
947         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
948         here.
950         PR c++/85049 - ICE with __integer_pack.
951         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
952         * cp-tree.h (TEMPLATE_PARM_P): New.
954 2018-03-23  Jason Merrill  <jason@redhat.com>
956         PR c++/78489 - wrong SFINAE behavior.
958         PR c++/84489
959         * pt.c (type_unification_real): Don't defer substitution failure.
961 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
963         PR c++/85015
964         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
965         result.
967         PR c++/84942
968         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
969         cp_build_unary_op call with gcc_unreachable ().
971 2018-03-23  Marek Polacek  <polacek@redhat.com>
973         PR c++/85045
974         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
975         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
976         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
978 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
980         Implement P0962
981         * parser.c (cp_parser_perform_range_for_lookup): Change
982         the condition for deciding whether to use members.
984 2018-03-23  Marek Polacek  <polacek@redhat.com>
986         PR c++/85033
987         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
989 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
991         PR c++/71251
992         * parser.c (cp_parser_alias_declaration): Call
993         parser_check_template_parameters.
995         PR c++/84789
996         * pt.c (resolve_typename_type): Drop assert that stopped
997         simplification to template-independent types.  Add assert to
998         verify the initial scope is template dependent.
999         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1000         Reparse the id expression as a type-name, not a declarator.
1002         PR c++/84729
1003         * init.c (build_vec_init): Error at parenthesized array init.
1005         PR c++/84610
1006         PR c++/84642
1007         PR c++/84942
1008         * cp-tree.h (temp_override): New template class, generalizing
1009         a cleanup that was only used...
1010         * parser.c (cp_parser_parameter_declaration_clause):
1011         ... here for auto_is_implicit_function_template_parm_p.
1012         (cp_parser_gnu_attributes_opt): Use it here as well.
1013         (cp_parser_std_attribute): Likewise.
1015 2018-03-22  Marek Polacek  <polacek@redhat.com>
1017         PR c++/84854
1018         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1019         is boolean.
1021 2018-03-21  Jason Merrill  <jason@redhat.com>
1023         PR c++/81311 - wrong C++17 overload resolution.
1024         * call.c (build_user_type_conversion_1): Remove C++17 code.
1025         (conv_binds_ref_to_prvalue): New.
1026         (build_over_call): Handle C++17 copy elision.
1027         (build_special_member_call): Only do C++17 copy elision here if the
1028         argument is already the right type.
1030 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1032         PR c++/71965
1033         * init.c (build_vec_init): Silence error, former sorry,
1034         without tf_error.
1036         PR c++/84610
1037         PR c++/84642
1038         * parser.c (abort_fully_implicit_template_p): New.
1039         (cp_parser_skip_to_end_of_statement): Use it.
1040         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1041         (finish_fully_implicit_template_p): Clear
1042         implicit_template_parms and implicit_template_scope.
1044 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1046         PR c++/84972
1047         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1048         error_mark_node when check_array_designated_initializer fails.
1050 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1052         PR c++/84961
1053         * cp-tree.h (genericize_compound_lvalue): Declare.
1054         * typeck.c (genericize_compound_lvalue): New function.
1055         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1056         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1057         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1058         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1059         COMPOUND_EXPR operand.
1061 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1063         PR c++/85008
1064         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1065         * decl2.c (vague_linkage_p): Likewise.
1067 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1069         PR c++/84994
1070         * constexpr.c (constexpr_fn_retval): Make non-"static".
1071         * cp-tree.h (constexpr_fn_retval): New decl.
1072         * search.c (direct_accessor_p): Update leading comment.
1073         (reference_accessor_p): Likewise.
1074         (field_accessor_p): Replace check that function body is a
1075         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1076         indentation of "field_type" decl.
1078 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1080         PR c++/84804
1081         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1082         complete classes.
1084 2018-03-21  Martin Sebor  <msebor@redhat.com>
1086         PR c++/84850
1087         * call.c (first_non_public_field): New template and function.
1088         (first_non_trivial_field): New function.
1089         (maybe_warn_class_memaccess): Call them.
1091 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1093         PR c++/84892
1094         * search.c (field_accessor_p): Use class_of_this_parm rather than
1095         type_of_this_parm, to check that "this" is a "const T *", rather
1096         than a "T *const".
1098 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1100         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1101         other than public non-static data members.
1102         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1103         parenthesized initializer.
1105         PR c++/84836
1106         * name-lookup.c (update_binding): Correct logic for local binding
1107         update.
1109 2018-03-21  Marek Polacek  <polacek@redhat.com>
1111         PR c++/71638, ICE with NSDMI and reference.
1112         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1113         even when we replace an element.
1115 2018-03-20  Marek Polacek  <polacek@redhat.com>
1117         PR c++/84978, ICE with NRVO.
1118         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1119         a RESULT_DECL isn't in the hash map.
1121 2018-03-20  Jason Merrill  <jason@redhat.com>
1123         PR c++/84978, ICE with NRVO.
1124         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1125         (cp_get_callee_fndecl_nofold): New.
1126         * cp-gimplify.c (cp_genericize_r): Use it instead.
1127         * call.c (check_self_delegation): Likewise.
1129 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1131         PR c++/84962
1132         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1133         member_vec, if there is one.
1135         PR c++/84970
1136         * cp-tree.h (lookup_list_keep): Declare.
1137         * tree.c (lookup_list_keep): New, broken out of ...
1138         (build_min): ... here.  Call it.
1139         * decl.c (cp_finish_decl): Call lookup_list_keep.
1141 2018-03-19  Jason Merrill  <jason@redhat.com>
1143         PR c++/84937 - ICE with class deduction and auto.
1144         * pt.c (rewrite_template_parm): Fix auto handling.
1146 2018-03-19  Marek Polacek  <polacek@redhat.com>
1148         PR c++/84925
1149         * pt.c (enclosing_instantiation_of): Check if fn is null.
1151         PR c++/84927
1152         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1153         as we evaluate the elements.
1154         (cxx_eval_constant_expression): Verify constructor's flags
1155         unconditionally.
1157 2018-03-19  Jason Merrill  <jason@redhat.com>
1159         PR c++/71834 - template-id with too few arguments.
1160         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1162 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1164         PR c++/84835
1165         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1166         * pt.c (build_template_decl): Propagate language linkage.
1168         PR c++/84812
1169         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1170         ambiguous lookups.
1172 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1174         PR c/84910
1175         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1176         diagnostics.
1177         * method.c (synthesize_method): Likewise.
1178         * pt.c (convert_nontype_argument): Likewise.
1180 2018-03-16  Jason Merrill  <jason@redhat.com>
1182         PR c++/84720 - ICE with rvalue ref non-type argument.
1183         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1184         (convert_nontype_argument): Revert earlier change.
1186         PR c++/80227 - SFINAE and negative array size.
1187         * decl.c (compute_array_index_type): Use
1188         build_converted_constant_expr and valid_constant_size_p.
1190         PR c++/84906 - silent wrong code with ambiguous conversion.
1191         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1192         ambiguous conversion.
1193         (convert_like_real): Check it.
1195         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1196         * call.c (build_special_member_call): Don't convert an init-list
1197         argument directly to the class type.
1199 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1201         PR c++/79937
1202         PR c++/82410
1203         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1204         (find_placeholder): Declare.
1205         * tree.c (struct replace_placeholders_t): Add exp member.
1206         (replace_placeholders_r): Don't walk into ctors with
1207         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1208         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1209         (replace_placeholders): Initialize data.exp.
1210         (find_placeholders_r, find_placeholders): New functions.
1211         * typeck2.c (process_init_constructor_record,
1212         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1213         if adding NSDMI on which find_placeholder returns true.
1214         * call.c (build_over_call): Don't call replace_placeholders here.
1215         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1216         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1217         TARGET_EXPR_INITIAL.
1218         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1219         ctor.
1221 2018-03-16  Jason Merrill  <jason@redhat.com>
1223         PR c++/83911 - ICE with multiversioned constructor.
1224         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1225         dispatchere here.
1226         * call.c (build_over_call): Not here.
1228 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1230         PR c++/84874
1231         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1232         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1234 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1236         PR c++/84222
1237         * cp-tree.h (cp_warn_deprecated_use): Declare.
1238         * tree.c (cp_warn_deprecated_use): New function.
1239         * typeck2.c (build_functional_cast): Use it.
1240         * decl.c (grokparms): Likewise.
1241         (grokdeclarator): Likewise.  Temporarily push nested class scope
1242         around grokparms call for out of class member definitions.
1244 2018-03-14  Jason Merrill  <jason@redhat.com>
1246         PR c++/84820 - no error for invalid qualified-id.
1247         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1248         cp_error_declarator.
1250         PR c++/84801 - ICE with unexpanded pack in lambda.
1251         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1252         lambda in non-template context.
1254         PR c++/81236 - auto variable and auto function
1255         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1256         mark_used.
1258 2018-03-14  Jason Merrill  <jason@redhat.com>
1260         PR c++/83916 - ICE with template template parameters.
1261         * pt.c (convert_template_argument): Don't substitute into type of
1262         non-type parameter if we don't have enough arg levels.
1263         (unify): Likewise.
1265 2018-03-14  Marek Polacek  <polacek@redhat.com>
1267         PR c++/84596
1268         * semantics.c (finish_static_assert): Check
1269         instantiation_dependent_expression_p instead of
1270         {type,value}_dependent_expression_p.
1272 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1273             Jason Merrill  <jason@redhat.com>
1275         PR c++/82336 - link error with list-init default argument.
1276         * decl.c (check_default_argument): Unshare an initializer list.
1278 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1280         PR c++/84843
1281         * decl.c (duplicate_decls): For redefinition of built-in, use error
1282         and return error_mark_node.  For redeclaration, return error_mark_node
1283         rather than olddecl if !flag_permissive.
1285 2018-03-13  Jason Merrill  <jason@redhat.com>
1287         PR c++/82565 - ICE with concepts and generic lambda.
1288         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1290 2018-03-13  Jason Merrill  <jason@redhat.com>
1292         PR c++/84720 - ICE with rvalue ref non-type argument.
1293         * pt.c (convert_nontype_argument): Handle rvalue references.
1295         PR c++/84839 - ICE with decltype of parameter pack.
1296         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1297         instantiating dummy parms.
1299         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1300         parameter even without -Wpedantic.
1302         PR c++/84798 - ICE with auto in abstract function declarator.
1303         * parser.c (cp_parser_parameter_declaration_clause): Check
1304         parser->default_arg_ok_p.
1306 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1308         PR c++/84808
1309         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1310         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1311         sizetype.  Formatting fixes.
1313 2018-03-12  Jason Merrill  <jason@redhat.com>
1315         PR c++/84355 - ICE with deduction for member class template.
1316         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1317         CLASS_PLACEHOLDER_TEMPLATE.
1319         PR c++/84802 - ICE capturing uninstantiated class.
1320         * lambda.c (build_capture_proxy): Call complete_type.
1322 2018-03-09  Jason Merrill  <jason@redhat.com>
1324         PR c++/84770 - ICE with typedef and parameter pack.
1325         * pt.c (verify_unstripped_args_1): Split out from
1326         verify_unstripped_args.
1328         PR c++/84785 - ICE with alias template and default targs.
1329         * pt.c (type_unification_real): Set processing_template_decl if
1330         saw_undeduced == 1.
1332         PR c++/84752 - ICE with capture of constexpr array.
1333         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1334         identity conversion under ck_lvalue.
1336 2018-03-09  Jason Merrill  <jason@redhat.com>
1337             Paolo Carlini  <paolo.carlini@oracle.com>
1339         PR c++/71169
1340         PR c++/71832
1341         * pt.c (any_erroneous_template_args_p): New.
1342         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1343         * parser.c (cp_parser_class_specifier_1): Use it.
1345 2018-03-09  Jason Merrill  <jason@redhat.com>
1347         PR c++/84726 - unnecessary capture of constant vars.
1348         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1349         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1350         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1351         * lambda.c (is_constant_capture_proxy)
1352         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1353         (prune_lambda_captures): New.
1354         (finish_lambda_function): Call prune_lambda_captures.
1356 2018-03-09  Jason Merrill  <jason@redhat.com>
1357             Jakub Jelinek  <jakub@redhat.com>
1359         PR c++/84076
1360         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1361         build ADDR_EXPR with REFERENCE_TYPE.
1362         (build_over_call): For purposes of check_function_arguments, if
1363         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1364         its operand rather than the argument itself.
1366 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1368         PR c++/84724
1369         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1370         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1371         also a note and return olddecl.
1373 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1375         PR c++/84733
1376         * name-lookup.c (do_pushdecl_with_scope): Only clear
1377         current_function_decl when pushing a non-class (i.e. namespace)
1378         scope.
1380 2018-03-08  Jason Merrill  <jason@redhat.com>
1381             Jakub Jelinek  <jakub@redhat.com>
1383         PR c++/80598
1384         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1385         not calling mark_used for the benefit of -Wunused-function warning.
1387 2018-03-06  Jason Merrill  <jason@redhat.com>
1389         * lambda.c (is_capture_proxy_with_ref): Remove.
1390         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1392 2018-03-06  Marek Polacek  <polacek@redhat.com>
1394         PR c++/84684
1395         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1396         arguments.
1398 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1400         PR c++/84231
1401         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1402         only while processing template decls.
1403         * typeck.c (build_x_conditional_expr): Move wrapping of
1404         reference type around type...
1405         * call.c (build_conditional_expr_1): ... here.  Rename
1406         is_lvalue to is_glvalue.
1407         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1408         INDIRECT_REF of COND_EXPR too.
1410         PR c++/84593
1411         * init.c (build_zero_init_1): Zero-initialize references.
1413         PR c++/84492
1414         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1415         overloads used as stmt expr values.
1417 2018-03-05  Jason Merrill  <jason@redhat.com>
1419         PR c++/84708 - ICE with lambda in local class NSDMI.
1420         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1421         context.
1423 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1425         PR c++/84684
1426         * constexpr.c (constexpr_call_hasher::equal): Return false if
1427         lhs->hash != rhs->hash.  Change return 1 to return true and
1428         return 0 to return false.
1430 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1432         PR c++/84702
1433         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1435 2018-03-05  Marek Polacek  <polacek@redhat.com>
1437         PR c++/84707
1438         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1439         UDLIT_OPER_P.
1441 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1443         PR c++/84694
1444         * friend.c (do_friend): Restore check for identifier_p inside
1445         TEMPLATE_ID_EXPR.
1447 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1449         PR c++/84618
1450         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1451         involving a VAR_DECL or a PARM_DECL.
1453 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1454             Jason  Merrill  <jason@redhat.com>
1455             Nathan Sidwell  <nathan@acm.org>
1457         PR c++/84497
1458         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1460 2018-03-03  Jason Merrill  <jason@redhat.com>
1462         PR c++/84686 - missing volatile loads.
1463         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1465 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1467         PR c++/71464
1468         * optimize.c (maybe_thunk_body): Bail out immediately if either
1469         fns[0] or fns[1] is null.
1471 2018-03-02  Marek Polacek  <polacek@redhat.com>
1473         PR c++/84578
1474         * constexpr.c (get_array_or_vector_nelts): New.
1475         (cxx_eval_array_reference): Use it.
1476         (cxx_eval_vec_init_1): Likewise.
1477         (cxx_eval_store_expression): Likewise.
1479 2018-03-02  Jason Merrill  <jason@redhat.com>
1481         * semantics.c (force_paren_expr): Remove redundant test.
1483 2018-03-02  Marek Polacek  <polacek@redhat.com>
1485         PR c++/84663
1486         * decl.c (cp_complete_array_type): Check error_mark_node.
1488         PR c++/84664
1489         * typeck.c (cp_perform_integral_promotions): Check the result of
1490         mark_rvalue_use.
1492 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1494         PR c++/84662
1495         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1496         RETURN instead of return.
1497         <case POINTER_PLUS_EXPR>: Likewise.
1498         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1499         it instead of wrapping it into CONVERT_EXPR.
1501 2018-03-02  Jason Merrill  <jason@redhat.com>
1503         Fix MIPS16 ICE.
1504         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1506 2018-03-02  Marek Polacek  <polacek@redhat.com>
1508         PR c++/84590
1509         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1510         wrapped in VIEW_CONVERT_EXPR.
1512 2018-03-01  Martin Sebor  <msebor@redhat.com>
1514         PR c++/84294
1515         * decl.c (check_redeclaration_no_default_args): Merge attributes
1516         specified on redeclarations of the same function template.
1517         Remove dead code.
1519 2018-03-01  Marek Polacek  <polacek@redhat.com>
1520             Jason Merrill  <jason@redhat.com>
1522         PR c++/84582
1523         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1524         a template.
1525         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1526         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1527         of instantiate_non_dependent_expr.
1528         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1530 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1532         PR c++/84434
1533         * name-lookup.c (member_vec_dedup): Remove manually peeled
1534         iteration.  Ignore dependent ctor inheritance.
1536 2018-03-01  Jason Merrill  <jason@redhat.com>
1538         PR c++/71569 - decltype of template.
1539         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1541 2018-03-01  Marek Polacek  <polacek@redhat.com>
1543         PR c++/84596
1544         * constexpr.c (require_rvalue_constant_expression): New function.
1545         * cp-tree.h: Declare it.
1546         * semantics.c (finish_static_assert): Use it instead of
1547         require_potential_rvalue_constant_expression.
1549 2018-03-01  Jason Merrill  <jason@redhat.com>
1550             Alexandre Oliva <aoliva@redhat.com>
1552         PR c++/71569 - ICE with redundant args on member variable template.
1553         * decl.c (start_decl): Handle partial specialization of member
1554         variable template.
1555         * pt.c (determine_specialization): Allow partial specialization
1556         of member variable template without specializing enclosing class.
1557         (process_partial_specialization): Improve error message.
1559 2018-02-28  Jason Merrill  <jason@redhat.com>
1561         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1562         * pt.c (determine_specialization): Check ref-qualifier.
1564 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1566         PR c++/84609
1567         * parser.c (cp_parser_attributes_opt): Formatting fix.
1568         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1569         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1570         New functions.
1571         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1572         instead of tentative parse to peek over optional attribute tokens
1573         to check for CPP_COLON after them.
1575         PR c++/83871
1576         PR c++/83503
1577         * pt.c (INCLUDE_STRING): Remove define.
1578         (warn_spec_missing_attributes): Use pretty_printer instead of
1579         std::string.  Fix up inform call so that the list of attributes
1580         is in %s argument.
1582 2018-02-28  Martin Sebor  <msebor@redhat.com>
1584         PR testsuite/84617
1585         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1586         and malloc.
1588 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1590         PR c++/84602
1591         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1592         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1593         regardless of want_type.
1594         (search_anon_aggr): Just use get_class_binding_direct.
1596 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1598         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1599         inform_n.
1601 2018-02-27  Martin Sebor  <msebor@redhat.com>
1603         * pt.c: Avoid including <string> directly.
1605 2018-02-27  Martin Sebor  <msebor@redhat.com>
1607         PR c++/83871
1608         PR c++/83503
1609         * cp-tree.h (warn_spec_missing_attributes): New function.
1610         ((check_explicit_specialization): Add an argument.  Call the above
1611         function.
1612         * decl.c (duplicate_decls): Avoid applying primary function template's
1613         attributes to its explicit specializations.
1614         cp/pt.c (warn_spec_missing_attributes): Define.
1616 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1618         PR c++/71546 - lambda init-capture with qualified-id.
1619         * parser.c (cp_parser_lambda_introducer): Clear scope after
1620         each lambda capture.
1622 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1624         PR c++/84426
1625         * name-lookup.h (get_member_slot): Rename ...
1626         (find_member_slot): ... here.
1627         (add_member_slot): New.
1628         * name-lookup.c (member_vec_linear_search): No need to check for
1629         NULL slot.
1630         (get_member_slot): Rename ...
1631         (find_member_slot): ... here.  Don't add slot for incomplete class.
1632         (add_member_slot): New.
1633         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1634         if push_class_level_binding fails.  Create slot and grok
1635         properties once we're committed to insertion.
1637 2018-02-27  Jason Merrill  <jason@redhat.com>
1639         PR c++/84489 - dependent default template argument
1640         * pt.c (type_unification_real): Handle early substitution failure.
1642 2018-02-26  Jason Merrill  <jason@redhat.com>
1644         PR c++/84560 - ICE capturing multi-dimensional VLA.
1645         * tree.c (array_of_runtime_bound_p): False if the element is
1646         variably-modified.
1648         PR c++/84441 - ICE with base initialized from ?:
1649         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1651         PR c++/84520 - ICE with generic lambda in NSDMI.
1652         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1653         'this' in a generic lambda instantiation.
1655         PR c++/84559 - ICE with constexpr VLA.
1656         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1657         for constexpr variable with VLA type.
1659 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1661         PR c++/84558
1662         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1663         a valid constant initializer.  Formatting fixes.
1665 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1667         PR c++/84540
1668         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1669         returning NULL_TREE.
1670         (apply_late_template_attributes): Likewise.
1672 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1674         PR c++/84557
1675         * parser.c (cp_parser_omp_var_list_no_open): Only call
1676         cp_parser_lookup_name_simple on names satisfying identifier_p.
1677         (cp_parser_oacc_routine): Likewise.
1679 2018-02-26  Jason Merrill  <jason@redhat.com>
1681         PR c++/84551 - ICE with concepts and -g.
1682         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1684 2018-02-26  Marek Polacek  <polacek@redhat.com>
1686         PR c++/84325
1687         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1688         non-types.
1690 2018-02-26  Jason Merrill  <jason@redhat.com>
1692         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1693         * call.c (build_over_call): Handle deleted functions in one place.
1695 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1697         PR c++/84533
1698         * decl.c (redeclaration_error_message): Don't try to use
1699         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1701 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1703         * lambda.c (build_capture_proxy): Define static.
1704         * cp-tree.h (build_capture_proxy): Remove.
1706 2018-02-26  Marek Polacek  <polacek@redhat.com>
1708         PR c++/84537
1709         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1710         if name is error node.
1712 2018-02-25  Jason Merrill  <jason@redhat.com>
1714         PR c++/84015 - ICE with class deduction and auto template parm.
1715         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1717 2018-02-24  Marek Polacek  <polacek@redhat.com>
1719         PR c++/83692
1720         * constexpr.c (maybe_constant_init_1): New function.
1721         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1722         (cxx_constant_init): New function.
1723         * cp-tree.h (cxx_constant_init): Declare.
1724         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1725         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1727 2018-02-22  Jason Merrill  <jason@redhat.com>
1729         PR c++/70468 - ICE with constructor delegation via typedef.
1730         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1731         with constructor delegation.
1733 2018-02-22  Jason Merrill  <jason@redhat.com>
1735         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1736         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1737         VECTOR_TYPE.
1739 2018-02-22  Marek Polacek  <polacek@redhat.com>
1741         PR c++/84493
1742         * parser.c (cp_parser_braced_list): Use require_open instead of
1743         consume_open.
1745 2018-02-21  Jason Merrill  <jason@redhat.com>
1747         PR c++/84454 - ICE with pack expansion in signature.
1748         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1750 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1752         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1753         IF_STMT.
1755 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1757         PR c++/84446
1758         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1759         on error_mark_node.
1761 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1763         PR c++/84445
1764         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1765         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1767         PR c++/84449
1768         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1769         returns error_mark_node, return it immediately.
1770         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1771         error_mark_node, return error_mark_node.
1773         PR c++/84455
1774         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1775         function_depth to avoid GC during finish_lambda_function.
1777 2018-02-19  Jason Merrill  <jason@redhat.com>
1779         PR c++/84429 - ICE capturing VLA.
1780         * lambda.c (build_capture_proxy): Handle reference refs.
1782 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1784         PR c++/84448
1785         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1786         either operand is error_mark_node, set current.lhs to that instead of
1787         creating a binary op with error_mark_node operands.
1789         PR c++/84430
1790         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1792 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1794         PR c++/84348
1795         * decl.c (grokdeclarator): Early return error_mark_node upon
1796         ill-formed friend declaration.
1798 2018-02-16  Marek Polacek  <polacek@redhat.com>
1799             Jakub Jelinek  <jakub@redhat.com>
1801         PR c++/84192
1802         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1803         set *jump_target to anything if jump_target is NULL.
1805 2018-02-16  Jason Merrill  <jason@redhat.com>
1807         PR c++/84151 - unnecessary volatile load with static member.
1808         * call.c (build_new_method_call_1): Avoid loading from a volatile
1809         lvalue used as the object argument for a static member function.
1811         PR c++/81853 - using-directive and constexpr.
1812         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1814         PR c++/84420 - ICE with structured binding in lambda.
1815         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1817         PR c++/83835 - C++17 error with constructor ctors.
1818         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1820         PR c++/82664 - ICE with reference to function template parm.
1821         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1822         NOP_EXPRs.
1824         PR c++/82764 - C++17 ICE with empty base
1825         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1827 2018-02-16  Jason Merrill  <jason@redhat.com>
1829         PR c++/84421 - type-dependent if constexpr
1830         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1832 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1834         Deprecate -ffriend-injection.
1835         * decl.c (cxx_init_decl_processing): Emit warning on option.
1836         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1837         friend.
1839 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1841         PR c++/82468
1842         * decl.c (check_special_function_return_type): Reject template
1843         template parameter in deduction guide.
1845 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1847         PR c++/84375
1848         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1850 2018-02-15  Jason Merrill  <jason@redhat.com>
1852         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1853         * call.c (convert_like_real): Don't use the copy-list-initialization
1854         shortcut for ck_base.
1856         PR c++/84045 - ICE with typedef and noexcept.
1857         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1859         PR c++/84376 - ICE with omitted template arguments.
1860         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1862         PR c++/84368 - wrong error with local variable in variadic lambda.
1863         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1864         local_specializations.
1866 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1868         PR c++/84330
1869         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1870         as first argument.
1872 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1874         PR c++/84350
1875         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1876         init, early return.
1878 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1880         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1881         (c_parse_final_cleanups): Restore input_location after emitting
1882         vtables.
1884 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1886         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1887         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1888         auto_deduction_context, tree, int): Add defaults.
1889         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1890         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1891         tsubst_flags_t argument.
1892         * init.c (build_new): Likewise.
1894 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1896         PR c++/84364
1897         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1898         about return other than *this in assignment operators if
1899         retval is type dependent expression.
1901 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1903         PR c++/84333
1904         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1905         save_expr for the G++ extension.
1907 2018-02-13  Jason Merrill  <jason@redhat.com>
1909         PR c++/84080 - ICE with return type deduction and specialization.
1910         * pt.c (determine_specialization): Check uses_template_parms.
1912         Fix more variadic capture issues.
1913         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1914         (check_for_bare_parameter_packs): Check current_class_type for
1915         lambda context.
1916         (extract_locals_r): Handle seeing a full instantiation of a pack.
1917         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1918         * parser.c (cp_parser_lambda_introducer): Don't
1919         check_for_bare_parameter_packs.
1921         PR c++/84338 - wrong variadic sizeof.
1922         * pt.c (argument_pack_select_arg): Like the macro, but look through
1923         a pack expansion.
1924         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1925         (extract_fnparm_pack): Do make_pack_expansion.
1926         (extract_locals_r): Do strip a pack expansion.
1927         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1929 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1931         PR c++/84341
1932         * parser.c (cp_parser_binary_expression): Use build_min instead of
1933         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1935 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1937         PR c++/84263
1938         * parser.c (cp_parser_decltype): Push and pop
1939         deferring_access_checks.  Reorganize to avoid goto.
1941 2018-02-12  Richard Biener  <rguenther@suse.de>
1943         PR c++/84281
1944         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1945         uniform constructors and delay allocating them fully.
1947 2018-02-09  Jason Merrill  <jason@redhat.com>
1949         PR c++/84036 - ICE with variadic capture.
1950         Handle variadic capture proxies more like non-variadic.
1951         * lambda.c (build_capture_proxy): Remove workaround.
1952         * pt.c (find_parameter_packs_r): The proxy is a pack.
1953         (instantiate_class_template_1): Remove dead lambda code.
1954         (extract_fnparm_pack): Don't make_pack_expansion.
1955         (extract_locals_r): Don't strip a pack expansion.
1956         (tsubst_pack_expansion): Handle proxy packs.  Use
1957         PACK_EXPANSION_EXTRA_ARGS less.
1958         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1959         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1960         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1961         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1962         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1964 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
1966         PR sanitizer/83987
1967         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1969 2018-02-09  Jason Merrill  <jason@redhat.com>
1971         PR c++/81917 - ICE with void_t and partial specialization.
1972         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1973         calling most_specialized_partial_spec.
1975 2018-02-09  Nathan Sidwell  <nathan@acm.org>
1977         PR c/84293
1978         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1979         Pass expr location to strict_aliasing_warning.
1981 2018-02-09  Jason Merrill  <jason@redhat.com>
1983         PR c++/84296 - ICE with qualified-id in template.
1984         PR c++/83714
1985         * pt.c (unknown_base_ref_p): New.
1986         (instantiation_dependent_scope_ref_p): Use it instead of
1987         any_dependent_bases_p.
1989 2018-02-09  Marek Polacek  <polacek@redhat.com>
1990             Jakub Jelinek  <jakub@redhat.com>
1992         PR c++/83659
1993         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1994         fold_indirect_ref_1, including poly_*int64.  Verify first that
1995         tree_fits_poly_int64_p (op01).  Formatting fixes.
1997 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1999         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2000         * lambda.c (build_capture_proxy): Likewise.
2001         * search.c (field_access_p): Likewise.
2002         * semantics.c (omp_clause_decl, omp_privatize_field,
2003         finish_omp_clauses): Likewise.
2005 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2007         PR c++/83806
2008         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2009         case of nullptr too.
2011 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2013         * class.c (finish_struct): Fix std:initializer_list diagnostic
2014         formatting.
2016 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2018         PR c++/83204
2019         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2021 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2023         PR c++/84082
2024         * parser.c (cp_parser_dot_deref_incomplete): New function.
2025         (cp_parser_postfix_dot_deref_expression): Use it.
2027 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2029         PR c++/81610
2030         PR c++/80567
2031         * name-lookup.c (suggest_rid_p): New function.
2032         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2033         suggest_rid_p.
2035 2018-02-07  Jason Merrill  <jason@redhat.com>
2037         PR c++/84182 - ICE with captured lambda
2038         PR c++/84181
2039         * pt.c (extract_locals_r, extract_local_specs): New.
2040         (tsubst_pack_expansion): Use them.
2042 2018-02-07  Martin Liska  <mliska@suse.cz>
2044         PR c++/84059.
2045         * class.c (add_method): Append argument value.
2046         * cp-tree.h (maybe_version_functions): Add new argument.
2047         * decl.c (decls_match): Call it if a declaration does not
2048         have DECL_FUNCTION_VERSIONED.
2049         (maybe_version_functions): record argument is added.
2051 2018-02-05  Marek Polacek  <polacek@redhat.com>
2053         * class.c: Remove unused global variables.
2054         (build_primary_vtable): Don't gather statistics.
2055         (print_class_statistics): Remove.
2056         * cp-tree.h (print_class_statistics): Remove.
2057         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2059 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2061         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2062         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2063         * decl.c (next_initializable_field, find_decomp_class_base,
2064         cp_finish_decomp): Likewise.
2065         * typeck2.c (process_init_constructor_record): Likewise.
2067 2018-02-02  Jason Merrill  <jason@redhat.com>
2069         PR c++/84181 - ICE with lambda parm in template argument.
2070         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2072 2018-02-01  Jason Merrill  <jason@redhat.com>
2074         PR c++/84160 - ICE with nested variadic capture.
2075         * lambda.c (is_capture_proxy_with_ref): New.
2076         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2077         COMPONENT_REF.
2078         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2079         * constexpr.c (potential_constant_expression_1): Likewise.
2080         * semantics.c (process_outer_var_ref): Likewise.
2082 2018-02-01  Marek Polacek  <polacek@redhat.com>
2084         PR c++/84125
2085         * typeck.c (build_address): Relax the assert when
2086         processing_template_decl.
2088 2018-02-01  Jason Merrill  <jason@redhat.com>
2090         PR c++/84126 - ICE with variadic generic lambda
2091         PR c++/84036
2092         PR c++/82249
2093         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2094         PACK_EXPANSION_EXTRA_ARGS.
2096 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2098         PR c++/83796
2099         * call.c (convert_like_real): If w're initializing from {} explicitly
2100         call abstract_virtuals_error_sfinae.
2102 2018-01-31  Jason Merrill  <jason@redhat.com>
2103             Jakub Jelinek  <jakub@redhat.com>
2105         PR c++/83993
2106         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2107         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2108         on ADDR_EXPR.
2110 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2112         PR c++/83993
2113         * constexpr.c (diag_array_subscript): Emit different diagnostics
2114         if TYPE_DOMAIN (arraytype) is NULL.
2115         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2116         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2118 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2120         PR c++/84092
2121         * semantics.c (finish_qualified_id_expr): When handling an
2122         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2124 2018-01-31  Marek Polacek  <polacek@redhat.com>
2126         PR c++/84138
2127         * cp-gimplify.c (cp_fold): Check if X is an error node before
2128         calling useless_type_conversion_p.
2130 2018-01-30  Jason Merrill  <jason@redhat.com>
2132         PR c++/84091 - ICE with local class in lambda in template.
2133         * decl2.c (determine_visibility): Look for outer containing template
2134         instantiation.
2136         PR c++/84098 - ICE with lambda in template NSDMI.
2137         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2139 2018-01-29  Jason Merrill  <jason@redhat.com>
2141         PR c++/68810 - wrong location for reinterpret_cast error.
2142         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2143         !dofold.
2145 2018-01-29  Marek Polacek  <polacek@redhat.com>
2147         PR c++/83996
2148         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2149         => fooarray[1] in offset_int.
2151 2018-01-29  Jason Merrill  <jason@redhat.com>
2153         PR c++/83942 - wrong unused warning with static_cast.
2154         * cvt.c (ocp_convert): Call mark_rvalue_use.
2156 2018-01-26  Jason Merrill  <jason@redhat.com>
2158         PR c++/83956 - wrong dtor error with anonymous union
2159         * method.c (walk_field_subobs): Variant members only affect
2160         deletedness.
2161         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2163         PR c++/84036 - ICE with variadic capture.
2164         PR c++/82249
2165         * pt.c (tsubst_pack_expansion): When optimizing a simple
2166         substitution, pull a single pack expansion out of its pack.
2168         PR c++/82514 - ICE with local class in generic lambda.
2169         * pt.c (regenerated_lambda_fn_p): Remove.
2170         (enclosing_instantiation_of): Don't use it.
2171         (tsubst_function_decl): Call enclosing_instantiation_of.
2173         * pt.c (lookup_template_class_1): Add sanity check.
2174         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2176 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2178         PR c++/84031
2179         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2180         recursive calls that return ret.
2181         (cp_finish_decomp): Ignore unnamed bitfields.
2183 2018-01-23  Jason Merrill  <jason@redhat.com>
2185         PR c++/82249 - wrong mismatched pack length error.
2186         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2187         unsubstituted function parameter pack.
2189 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2191         PR c++/83921
2192         * decl.c (check_for_uninitialized_const_var): Not static; add
2193         bool and tsubst_flags_t parameters; adjust to be used both in
2194         constexpr context and not.
2195         * constexpr.c (potential_constant_expression_1): Use the above.
2196         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2198 2018-01-23  Jason Merrill  <jason@redhat.com>
2200         PR c++/83947 - ICE with auto declarations.
2201         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2202         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2204 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2206         PR c++/83974
2207         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2208         for pointer to member function types.
2210 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2212         PR sanitizer/83987
2213         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2214         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2216 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2218         PR c++/83988
2219         * pt.c (tsubst_baselink): Remove optype assert.
2220         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2222 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2224         PR c++/83958
2225         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2226         refers to incomplete type.
2228 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2230         Deprecate ARM-era for scope handling
2231         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2232         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2233         cleared.
2234         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2235         cleanup handling.
2236         * semantics.c (begin_for_scope): Flag_new_for_scope is
2237         boolean-like.
2238         (finish_for_stmt, begin_range_for_stmt): Likewise.
2240 2018-01-22  Jason Merrill  <jason@redhat.com>
2242         PR c++/83720
2243         * decl2.c (determine_visibility): Fix template_decl handling
2244         instead of blocking it.
2246         PR c++/83720 - ICE with lambda and LTO.
2247         * decl2.c (determine_visibility): Clear template_decl for
2248         function-scope decls.  Propagate anonymous linkage from containing
2249         function.
2251 2018-01-22  Marek Polacek  <polacek@redhat.com>
2253         PR c++/81933
2254         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2255         split out anything.
2257 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2259         PR c++/83895
2260         * decl.c (grokdeclarator): Don't diagnose extra parens
2261         on typedefs.
2263 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2265         PR c++/81167
2266         * call.c (joust): Use TREE_TYPE (source) if source is
2267         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2269         PR c++/83919
2270         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2271         for direct enum init.
2272         * decl.c (reshape_init): Likewise.
2274 2018-01-19  Marek Polacek  <polacek@redhat.com>
2276         * constexpr.c (fold_simple): Simplify.
2278 2018-01-18  Jason Merrill  <jason@redhat.com>
2280         PR c++/83714
2281         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2282         * pt.c (instantiation_dependent_scope_ref_p): True if
2283         any_dependent_bases_p.
2285 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2287         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2288         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2290 2018-01-18  Jason Merrill  <jason@redhat.com>
2292         PR c++/82461 - constexpr list-initialized member
2293         * constexpr.c (potential_constant_expression_1): Check
2294         TARGET_EXPR_DIRECT_INIT_P.
2296 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2298         PR c++/81013
2299         * decl.c (xref_basetypes): Early return upon error about derived
2300         union.
2302 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2304         PR c++/83160
2305         * cp-tree.h (mark_use): Declare.
2306         * expr.c (mark_use): Make extern.
2307         * call.c (direct_reference_binding): Set inner conv's
2308         rvaluedness_matches_p, if it is an identity.
2309         (convert_like_real): Mark lvalue or rvalue use for identity as
2310         rvaledness_matches_p demands.
2312 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2314         PR c++/83824
2315         * parser.c (attr_chainon): New function.
2316         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2317         cp_parser_namespace_definition, cp_parser_init_declarator,
2318         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2319         cp_parser_gnu_attributes_opt): Use it.
2320         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2321         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2322         prefix_attributes if attributes is error_mark_node.
2324 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2326         PR c++/78344
2327         * decl.c (grokdeclarator): Do not append the error_mark_node
2328         due to an erroneous optional attribute-specifier-seq.
2330 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2332         PR c++/83897
2333         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2334         CLEANUP_POINT_EXPR.
2336 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2338         PR c++/81054
2339         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2340         error_mark_node when we give an error.
2341         * decl.c (cp_finish_decl): Use the latter.
2343 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2345         PR c++/83287
2346         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2348 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2350         PR c++/83814
2351         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2352         the C++ part.  If processing a template, call
2353         fold_non_dependent_expr rather than fully folding.
2355 2018-01-17  Jason Merrill  <jason@redhat.com>
2357         PR c++/81067 - redundant NULL warning.
2358         * call.c (convert_like_real): Restore null_node handling.
2360 2018-01-17  Jason Merrill  <jason@redhat.com>
2362         PR c++/81843 - ICE with variadic member template.
2363         PR c++/72801
2364         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2365         template args.
2367 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2369         PR c++/83799
2370         * pt.c (type_dependent_expression_p): Strip any location wrapper
2371         before testing tree codes.
2372         (selftest::test_type_dependent_expression_p): New function.
2373         (selftest::cp_pt_c_tests): Call it.
2375 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2377         PR c++/83739
2378         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2379         this not a final instantiation.
2381 2018-01-16  Jason Merrill  <jason@redhat.com>
2383         PR c++/83714 - ICE checking return in template.
2384         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2386 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2388         PR c++/83817
2389         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2390         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2391         instead of CALL_FROM_THUNK_P.
2393         PR c++/83825
2394         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2395         (resort_type_member_vec, set_class_bindings,
2396         insert_late_enum_def_bindings): Use vec qsort method instead of
2397         calling qsort directly.
2399 2018-01-15  Martin Sebor  <msebor@redhat.com>
2401         PR c++/83588
2402         * class.c (find_flexarrays): Make a record of multiple flexible array
2403         members.
2405 2018-01-12  Jason Merrill  <jason@redhat.com>
2407         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2408         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2410 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2412         * cp-tree.h (mark_rvalue_use): Add parm name.
2413         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2414         mark_rvalue_use.
2415         * call.c (convert_like_real): Fix formatting.
2417 2018-01-11  Jason Merrill  <jason@redhat.com>
2419         PR c++/82728 - wrong -Wunused-but-set-variable
2420         PR c++/82799
2421         PR c++/83690
2422         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2423         * decl.c (case_conversion): Likewise.
2424         * semantics.c (finish_static_assert): Call
2425         perform_implicit_conversion_flags.
2427 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2429         * method.c (enum mangling_flags): Delete long-dead enum.
2431 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2433         * parser.c (cp_parser_std_attribute_spec): When
2434         token_pair::require_open / require_close return false simply
2435         return error_mark_node, avoid duplicate cp_parser_error about
2436         expected '(' / ')', respectively.
2438 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2440         PR c++/43486
2441         * call.c (null_ptr_cst_p): Strip location wrappers when
2442         converting from '0' to a pointer type in C++11 onwards.
2443         (conversion_null_warnings): Replace comparison with null_node with
2444         call to null_node_p.
2445         (build_over_call): Likewise.
2446         * cp-gimplify.c (cp_fold): Remove the early bailout when
2447         processing_template_decl.
2448         * cp-lang.c (selftest::run_cp_tests): Call
2449         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2450         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2451         (selftest::run_cp_tests): Move decl to bottom of file.
2452         (null_node_p): New inline function.
2453         (selftest::cp_pt_c_tests): New decl.
2454         (selftest::cp_tree_c_tests): New decl.
2455         * cvt.c (build_expr_type_conversion): Replace comparison with
2456         null_node with call to null_node_p.
2457         * error.c (args_to_string): Likewise.
2458         * except.c (build_throw): Likewise.
2459         * mangle.c (write_expression): Skip location wrapper nodes.
2460         * parser.c (literal_integer_zerop): New function.
2461         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2462         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2463         param of cp_parser_parenthesized_expression_list.  When calling
2464         warn_for_memset, replace integer_zerop calls with
2465         literal_integer_zerop, eliminating the double logical negation
2466         cast to bool.  Eliminate the special-casing for CONST_DECL in
2467         favor of the fold_for_warn within warn_for_memset.
2468         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2469         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2470         maybe_add_location_wrapper on it when wrap_locations_p is true.
2471         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2472         the result for RID_ALIGNOF and RID_SIZEOF.
2473         (cp_parser_builtin_offsetof): Likewise.
2474         * pt.c: Include "selftest.h".
2475         (tsubst_copy): Handle location wrappers.
2476         (tsubst_copy_and_build): Likewise.
2477         (build_non_dependent_expr): Likewise.
2478         (selftest::test_build_non_dependent_expr): New function.
2479         (selftest::cp_pt_c_tests): New function.
2480         * tree.c: Include "selftest.h".
2481         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2482         (selftest::test_lvalue_kind): New function.
2483         (selftest::cp_tree_c_tests): New function.
2484         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2485         (cp_build_binary_op): Replace comparison with null_node with call
2486         to null_node_p.
2487         (build_address): Use location of operand when building address
2488         expression.
2490 2018-01-10  Marek Polacek  <polacek@redhat.com>
2492         PR c++/82541
2493         * call.c (build_conditional_expr_1): Check complain before warning.
2494         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2495         -Wduplicated-branches.
2497 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2499         PR c++/81327
2500         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2501         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2502         args uses and check number of operands too.  Don't strip away any
2503         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2504         Deal with src argument not having pointer type.  Check
2505         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2506         test.
2507         (build_over_call): Call maybe_warn_class_memaccess here on the
2508         original arguments.
2509         (build_cxx_call): Rather than here on converted arguments.
2511 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2513         PR c++/81055
2514         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2515         error_mark_node as second argument.
2517 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2519         PR c++/83734
2520         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2521         in STATEMENT_LIST.  Remove unneeded assert.
2523 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2524             Alan Hayward  <alan.hayward@arm.com>
2525             David Sherwood  <david.sherwood@arm.com>
2527         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2528         VECTOR_CST_NELTS.
2529         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2530         * call.c (build_conditional_expr_1): Likewise.
2531         * decl.c (cp_finish_decomp): Likewise.
2532         * mangle.c (write_type): Likewise.
2533         * typeck.c (structural_comptypes): Likewise.
2534         (cp_build_binary_op): Likewise.
2535         * typeck2.c (process_init_constructor_array): Likewise.
2537 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2539         PR c++/83555
2540         * typeck.c (build_static_cast_1): For static casts to reference types,
2541         call build_base_path with flag_delete_null_pointer_checks as nonnull
2542         instead of always false.  When -fsanitize=null, call
2543         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2544         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2545         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2547 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2549         PR c++/83667
2550         * method.c (make_alias_for): Copy DECL_CONTEXT.
2552 2018-01-03  Marek Polacek  <polacek@redhat.com>
2554         PR c++/83592
2555         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2557 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2559         PR preprocessor/83602
2560         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2561         for builtin macros.
2563         PR c++/83634
2564         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2565         error_mark_node, return error_mark_node.
2567         Update copyright years.
2569 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2571         PR c++/83556
2572         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2573         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2574         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2575         to false and return.
2576         (replace_placeholders): Pass NULL instead of &pset as last argument
2577         to cp_walk_tree.
2579 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2581         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2582         lval var.
2584 Copyright (C) 2018 Free Software Foundation, Inc.
2586 Copying and distribution of this file, with or without modification,
2587 are permitted in any medium without royalty provided the copyright
2588 notice and this notice are preserved.