Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
[official-gcc.git] / gcc / cp / ChangeLog
blob27ff8f353b98bae80ae2024041939471d8427640
1 2018-05-14  Jason Merrill  <jason@redhat.com>
3         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
4         * tree.c (build_cp_fntype_variant): New.
5         (build_ref_qualified_type, build_exception_variant)
6         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
7         (cxx_type_hash_eq, cp_check_qualified_type): Check
8         TYPE_HAS_LATE_RETURN_TYPE.
9         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
10         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
11         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
12         (adjust_clone_args): Likewise.
13         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
14         build_cp_fntype_variant.
15         (grokdeclarator): Pass late_return_type_p to grokfndecl.
16         (check_function_type): Use cxx_copy_lang_qualifiers.
17         (static_fn_type): Use cxx_copy_lang_qualifiers.
18         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
19         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
20         (change_return_type): Use cxx_copy_lang_qualifiers.
21         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
22         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
23         return type on the declarator like a normal trailing return type.
24         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
25         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
26         * typeck.c (merge_types): Use build_cp_fntype_variant.
28 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
30         * cp-tree.h (TYPE_REF_P): New.
31         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
32         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
33         direct_reference_binding, reference_binding, implicit_conversion,
34         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
35         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
36         build_over_call, perform_implicit_conversion_flags,
37         extend_ref_init_temps, type_has_extended_temps): Use it.
38         * class.c (one_inheriting_sig, check_field_decls,
39         check_bases_and_members, find_flexarrays, finish_struct,
40         fixed_type_or_null): Likewise.
41         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
42         non_const_var_error, cxx_eval_constant_expression,
43         potential_constant_expression_1): Likewise.
44         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
45         cp_genericize_r, cxx_omp_privatize_by_reference,
46         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
47         cp_fold_maybe_rvalue): Likewise.
48         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
49         * cvt.c (build_up_reference, convert_to_reference,
50         convert_from_reference, convert_to_void, noexcept_conv_p,
51         fnptr_conv_p): Likewise.
52         * decl.c (poplevel, check_for_uninitialized_const_var,
53         check_initializer, initialize_local_var, cp_finish_decl,
54         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
55         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
56         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
57         decl_maybe_constant_var_p): Likewise.
58         * error.c (dump_type_prefix, dump_expr): Likewise.
59         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
60         is_admissible_throw_operand_or_catch_parameter): Likewise.
61         * expr.c (mark_use): Likewise.
62         * init.c (build_zero_init_1, build_value_init_noctor,
63         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
64         build_new, build_delete): Likewise.
65         * lambda.c (build_lambda_object): Likewise.
66         * mangle.c (write_expression, write_template_arg): Likewise.
67         * method.c (forward_parm, do_build_copy_constructor,
68         do_build_copy_assign, build_stub_object, constructible_expr,
69         walk_field_subobs): Likewise.
70         * parser.c (cp_parser_omp_for_loop_init,
71         cp_parser_omp_declare_reduction_exprs,
72         cp_parser_omp_declare_reduction): Likewise.
73         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
74         convert_template_argument, tsubst_pack_expansion,
75         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
76         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
77         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
78         value_dependent_expression_p, build_deduction_guide): Likewise.
79         * semantics.c (finish_handler_parms, finish_non_static_data_member,
80         finish_compound_literal, omp_privatize_field,
81         handle_omp_array_sections_1, handle_omp_array_sections,
82         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
83         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
84         finish_omp_clauses, finish_decltype_type, capture_decltype,
85         finish_builtin_launder): Likewise.
86         * tree.c (lvalue_kind, cp_build_reference_type, move,
87         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
88         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
89         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
90         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
91         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
92         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
93         convert_for_initialization,
94         maybe_warn_about_returning_address_of_local, check_return_expr,
95         cp_type_quals, casts_away_constness, non_reference): Likewise.
96         * typeck2.c (cxx_readonly_error, store_init_value,
97         process_init_constructor_record, build_x_arrow, build_functional_cast,
98         add_exception_specifier): Likewise.
100 2018-05-14  Jason Merrill  <jason@redhat.com>
102         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
103         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
105 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
107         PR c/85696
108         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
109         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
110         cxx_omp_predetermined_sharing_1.  Rename old function to ...
111         (cxx_omp_predetermined_sharing_1): ... this.
112         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
113         instead of cxx_omp_predetermined_sharing.
115 2018-05-10  Jason Merrill  <jason@redhat.com>
117         * decl.c (cp_finish_decl): Don't instantiate auto variable.
118         (check_static_variable_definition): Allow auto.
119         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
121         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
122         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
124         Core issue 2310 - conversion to base of incomplete type.
125         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
127         CWG 2267 - list-initialization of reference temporary
128         * call.c (reference_binding): List-initializing a reference
129         temporary is copy-list-initialization.
131         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
133         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
134         instantiation in template context.
136         * class.c (vbase_has_user_provided_move_assign): Use
137         user_provided_p.
139         * lambda.c (lambda_expr_this_capture): Improve logic.
141         * decl.c (make_typename_type): s/parameters/arguments/.
142         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
143         * pt.c (make_pack_expansion): Correct error message.
145 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
147         PR c++/85662
148         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
149         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
150         fold_convert.
152 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
154         PR c++/85400
155         * decl2.c (adjust_var_decl_tls_model): New static function.
156         (comdat_linkage): Call it on a variable.
157         (maybe_make_one_only): Likewise.
159 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
161         PR c++/85713
162         Revert:
163         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
165         PR c++/84588
166         * parser.c (cp_parser_parameter_declaration_list): When the
167         entire parameter-declaration-list is erroneous maybe call
168         abort_fully_implicit_template.
170 2018-05-08  Jason Merrill  <jason@redhat.com>
172         PR c++/85706 - class deduction under decltype
173         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
174         *walk_subtrees whether or not we walked into the operand.
175         (type_uses_auto): Only look at deduced contexts.
177 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
179         PR c++/84588
180         * parser.c (cp_parser_parameter_declaration_list): When the
181         entire parameter-declaration-list is erroneous maybe call
182         abort_fully_implicit_template.
184 2018-05-08  Marek Polacek  <polacek@redhat.com>
186         PR c++/85695
187         * semantics.c (finish_if_stmt_cond): See through typedefs.
189 2018-05-07  Jason Merrill  <jason@redhat.com>
191         PR c++/85646 - lambda visibility.
192         * decl2.c (determine_visibility): Don't mess with template arguments
193         from the containing scope.
194         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
195         thunk.
197 2018-05-07  Nathan Sidwell  <nathan@acm.org>
199         Remove fno-for-scope
200         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
201         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
202         (SET_DECL_SHADOWED_FOR_VAR): Delete.
203         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
204         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
205         Don't declare.
206         * name-lookup.h (struct cp_binding_level): Remove
207         dead_vars_from_for field.
208         * cp-lang.c (cp_init_ts): Delete.
209         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
210         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
211         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
212         (init_shadowed_var_for_decl): Delete.
213         * decl.c (poplevel): Remove shadowed for var handling.
214         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
215         * name-lookup.c (find_local_binding): Remove shadowed for var
216         handling.
217         (check_local_shadow): Likewise.
218         (check_for_out_of_scope_variable): Delete.
219         * parser.c (cp_parser_primary_expression): Remove shadowed for var
220         handling.
221         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
222         * semantics.c (begin_for_scope): Always have a scope.
223         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
224         (begin_range_for_stmt, finish_id_expression): Likewise.
226 2018-05-07  Jason Merrill  <jason@redhat.com>
228         PR c++/85618 - ICE with initialized VLA.
229         * tree.c (vla_type_p): New.
230         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
231         rather than array_of_runtime_bound_p.
233 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
235         * cvt.c (ocp_convert): Early handle the special case of a
236         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
238 2018-05-03  Jason Merrill  <jason@redhat.com>
240         PR c++/85600 - virtual delete failure.
241         * init.c (build_delete): Always save_expr when deleting.
243 2018-05-03  Nathan Sidwell  <nathan@acm.org>
245         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
246         * name-lookup.c (do_pushdecl): Likewise.
248 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
249             Jason Merrill  <jason@redhat.com>
251         PR c++/68374
252         * name-lookup.c (check_local_shadow): Don't handle static old
253         declarations in the block handling locals shadowing locals.
255 2018-05-01  Jason Merrill  <jason@redhat.com>
257         PR c++/85587 - error with scoped enum in template.
258         * semantics.c (finish_qualified_id_expr): Don't return an
259         unqualified IDENTIFIER_NODE.
261 2018-04-30  Jason Merrill  <jason@redhat.com>
263         PR c++/85580 - extern "C" and local variables
264         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
266         PR c++/84701 - unsigned typeof.
267         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
268         of long/short/signed/unsigned.
270         PR c++/85305 - pack in lambda init-capture.
271         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
272         check_for_bare_parameter_packs in a subexpression.
273         (cp_parser_lambda_introducer): Use it.
275         PR c++/61982 - dead stores to destroyed objects.
276         * call.c (build_trivial_dtor_call): New, assigns a clobber.
277         (build_over_call, build_special_member_call): Use it.
278         * cp-tree.h: Declare it.
279         * init.c (build_delete): Remove trivial path.
281         * init.c (build_dtor_call): Use build_special_member_call.
282         (build_delete): Remove redundant uses of save_addr.
284         * decl.c (build_clobber_this): Use build_clobber.
286 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
288         PR c++/85553
289         * init.c (build_zero_init_1): For zero initialization of
290         NULLPTR_TYPE_P type use build_int_cst directly.
292 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
294         PR c++/85515
295         * name-lookup.c (consider_binding_level): Skip compiler-generated
296         variables.
297         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
298         nested if statements into a series of rejection tests.  Reject
299         lambda-ignored entities as suggestions.
301 2018-04-27  Jason Merrill  <jason@redhat.com>
303         * cvt.c (cp_fold_convert): Use convert_ptrmem.
304         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
306 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
308         PR c++/84691
309         * decl.c (grokdeclarator): Clear friendp upon definition in local
310         class definition error.
312 2018-04-27  Jason Merrill  <jason@redhat.com>
314         PR c++/85545 - ICE with noexcept PMF conversion.
315         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
316         build_ptrmemfunc.
317         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
318         adjustment.
319         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
321 2018-04-27  Nathan Sidwell  <nathan@acm.org>
323         * typeck.c (convert_ptrmem): Move local var decls to initialization.
325         * cp-tree.h (TEMPLATE_INFO): Fix comments.
326         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
327         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
328         (dump, print_other_binding_stacks): Remove declarations.
329         * name-lookup.c (print_other_binding_stack): Make static.
330         * pt.c (build_template_decl): Make static.
332 2018-04-26  Jason Merrill  <jason@redhat.com>
334         PR c++/85545 - ICE with noexcept PMF conversion.
335         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
337 2018-04-25  Nathan Sidwell  <nathan@acm.org>
339         PR c++/85437
340         PR c++/49171
341         * cp-tree.h (REINTERPRET_CAST_P): New.
342         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
343         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
344         for non-trivial PTRMEM_CST cases.
345         * typeck.c (build_nop_reinterpret): New.
346         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
347         NOP_EXPRs returned by cp_convert.
349 2018-04-23  Jason Merrill  <jason@redhat.com>
351         PR c++/69560 - wrong alignof(double) on x86.
352         CWG 1879 - Inadequate definition of alignment requirement.
353         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
354         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
355         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
356         (cxx_alignof_expr): Pass it.
357         * parser.c (cp_parser_unary_expression): Pass it.
358         * pt.c (tsubst_copy): Copy it.
359         (tsubst_copy_and_build): Pass it.
360         * decl.c (fold_sizeof_expr): Pass it.
362 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
363             Jason Merrill  <jason@redhat.com>
365         PR c++/85470 - wrong error with static data member.
366         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
367         * typeck2.c (store_init_value): Likewise.
369 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
371         PR c++/85462
372         * cp-tree.h (tinst_level): Remove in_system_header_p member,
373         change refcount member from unsigned char to unsigned short,
374         add refcount_infinity static data member, adjust comments.
375         * pt.c (tinst_level::refcount_infinity): Define.
376         (inc_refcount_use): Remove assert, don't increment if refcount
377         is already refcount_infinity, adjust comment.
378         (dec_refcount_use): Remove assert, don't decrement if refcount
379         is refcount_infinity, adjust comment.
380         (push_tinst_level_loc): Formatting fix.
382 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
384         PR c++/84611
385         * pt.c (lookup_template_class_1): Check pushtag return value for
386         error_mark_node.
388 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
390         PR c++/80290
391         * cp-tree.h (tinst_level::free): Fix whitespace.
393 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
395         PR c++/84630
396         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
397         for error_mark_node.
399 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
401         PR c++/84463
402         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
403         tricks from here to ...
404         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
405         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
407 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
409         PR c++/80290
410         * cp-tree.h (struct tinst_level): Split decl into tldcl and
411         targs.  Add private split_list_p, tree_list_p, and not_list_p
412         inline const predicates; to_list private member function
413         declaration; free public member function declaration; list_p,
414         get_node and maybe_get_node accessors, and refcount data
415         member.  Narrow errors to unsigned short.
416         * error.c (print_instantiation_full_context): Use new
417         accessors.
418         (print_instantiation_partial_context_line): Likewise.  Drop
419         const from tinst_level-typed parameter.
420         * mangle.c (mangle_decl_string): Likewise.
421         * pt.c (freelist): New template class.
422         (tree_list_freelist_head): New var.
423         (tree_list_freelist): New fn, along with specializations.
424         (tinst_level_freelist_head): New var.
425         (pending_template_freelist_head): Likewise.
426         (tinst_level_freelist, pending_template_freelist): New fns.
427         (tinst_level::to_list, tinst_level::free): Define.
428         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
429         (set_refcount_ptr): New template fn.
430         (add_pending_template): Adjust for refcounting, freelists and
431         new accessors.
432         (neglectable_inst_p): Take a NULL d as a non-DECL.
433         (limit_bad_template_recursion): Use new accessors.
434         (push_tinst_level): New overload to create the list.
435         (push_tinst_level_loc): Make it static, split decl into two
436         args, adjust tests and initialization to cope with split
437         lists, use freelist, adjust for refcounting.
438         (push_tinst_level_loc): New wrapper with the old interface.
439         (pop_tinst_level): Adjust for refcounting.
440         (record_last_problematic_instantiation): Likewise.
441         (reopen_tinst_level): Likewise.  Use new accessors.
442         (instantiate_alias_template): Adjust for split list.
443         (fn_type_unification): Likewise.
444         (get_partial_spec_bindings): Likewise.
445         (instantiate_pending_templates): Use new accessors.  Adjust
446         for refcount.  Release pending_template to freelist.
447         (instantiating_current_function_p): Use new accessors.
449 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
451         PR c++/85039
452         * parser.c (cp_parser_builtin_offset): Reject type definitions.
453         * mangle.c (nested_anon_class_index): Avoid crash returning -1
454         if we've seen errors.
456 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
458         PR c++/85385
459         * name-lookup.c (macro_use_before_def::maybe_make): New function,
460         checking that the use is indeed before the definition.
461         (macro_use_before_def::macro_use_before_def): Make private.
462         (macro_use_before_def::~macro_use_before_def): Make private.  Move
463         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
464         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
465         than using new directly.
467 2018-04-12  Jason Merrill  <jason@redhat.com>
469         PR c++/85356 - ICE with pointer to member function.
470         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
471         flag_noexcept_type.  Build the new spec within the function context.
472         * except.c (build_noexcept_spec): Do get constant value in templates
473         if flag_noexcept_type.
474         * decl.c (check_redeclaration_exception_specification): Don't
475         instantiate noexcept on a dependent declaration.
477 2018-04-12  Marek Polacek  <polacek@redhat.com>
479         PR c++/85258
480         * constexpr.c (reduced_constant_expression_p): Return false for null
481         trees.
483 2018-04-11  Marek Polacek  <polacek@redhat.com>
485         PR c++/85032
486         * constexpr.c (potential_constant_expression_1): Consider conversions
487         from classes to literal types potentially constant.
489 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
491         PR c++/70808
492         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
493         the type like TYPE_PTR_OR_PTRMEM_P.
495 2018-04-10  Jason Merrill  <jason@redhat.com>
497         PR debug/65821 - wrong location for main().
498         * call.c (clear_location_r, convert_default_arg): Revert.
499         * tree.c (break_out_target_exprs): Add clear_location parm.
500         (struct bot_data): New.
501         (bot_manip): Clear location if requested.
502         * init.c (get_nsdmi): Pass clear_location.
504 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
506         PR c++/85110
507         * call.c (get_fndecl_argument_location): Make non-static.
508         * cp-tree.h (get_fndecl_argument_location): New decl.
509         * typeck.c (convert_for_assignment): When complaining due to
510         conversions for an argument, show the location of the parameter
511         within the decl.
513 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
515         PR c++/85312 - P0962 cleanup
516         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
517         diagnostics.
519 2018-04-10  Jason Merrill  <jason@redhat.com>
521         PR debug/65821 - wrong location for main().
522         * call.c (clear_location_r): New.
523         (convert_default_arg): Use it.
524         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
526         PR c++/85285 - ICE with flexible array after substitution.
527         * pt.c (instantiate_class_template_1): Check for flexible array in
528         union.
530 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
532         PR c++/85227
533         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
534         issue a pedwarn and defer trying to do bindings.
536 2018-04-09  Jason Merrill  <jason@redhat.com>
538         PR c++/85279 - dump_expr doesn't understand decltype.
539         * error.c (dump_expr): Handle DECLTYPE_TYPE.
541         PR c++/85262 - ICE with redundant qualification on constructor.
542         * call.c (build_new_method_call_1): Move make_args_non_dependent
543         after A::A() handling.
545         PR c++/85277 - ICE with invalid offsetof.
546         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
547         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
549         PR c++/85264 - ICE with excess template-parameter-list.
550         * parser.c (cp_parser_check_template_parameters): Add template_id_p
551         parameter.  Don't allow an extra template header if true.
552         (cp_parser_class_head): Pass template_id_p.
553         (cp_parser_elaborated_type_specifier): Likewise.
554         (cp_parser_alias_declaration): Likewise.
555         (cp_parser_check_declarator_template_parameters): Likewise.
557 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
559         PR c++/85194
560         * parser.c (cp_parser_simple_declaration): For structured bindings,
561         if *maybe_range_for_decl is NULL after parsing it, set it to
562         error_mark_node.
564 2018-04-09  Jason Merrill  <jason@redhat.com>
566         PR c++/85256 - ICE capturing pointer to VLA.
567         * lambda.c (add_capture): Distinguish between variable-size and
568         variably-modified types.
570 2018-04-06  Jason Merrill  <jason@redhat.com>
572         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
573         * pt.c (extract_locals_r): Remember local typedefs.
575 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
577         PR c++/84269
578         * name-lookup.c (struct std_name_hint): Move out of
579         get_std_name_hint; add field "min_dialect".
580         (get_std_name_hint): Add min_dialect values to all initializers.
581         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
582         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
583         <shared_mutex>, <string_view>, <thread>, and <variant>.
584         Add fstream, ifstream, and ofstream to <fstream>.
585         Add istringstream, ostringstream, and stringstream to <sstream>.
586         Add basic_string to <string>.
587         Add tuple_element and tuple_size to <tuple>.
588         Add declval to <utility>.
589         Fix ordering of <queue> and <tuple>.
590         Return a std_name_hint, rather than a const char *.
591         (get_cxx_dialect_name): New function.
592         (maybe_suggest_missing_std_header): Detect names that aren't yet
593         available in the current dialect, and instead of suggesting a
594         missing #include, warn about the dialect.
596 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
598         PR c++/85210
599         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
600         errorcount is set if tsubst doesn't return a VAR_DECL.
602 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
604         PR c++/85021
605         * name-lookup.c (using_directives_contain_std_p): New function.
606         (has_using_namespace_std_directive_p): New function.
607         (suggest_alternatives_for): Simplify if/else logic using early
608         returns.  If no candidates were found, and there's a
609         "using namespace std;" directive, call
610         maybe_suggest_missing_std_header.
611         (maybe_suggest_missing_header): Split later part of the function
612         into..
613         (maybe_suggest_missing_std_header): New.
615 2018-04-06  Jason Merrill  <jason@redhat.com>
617         PR c++/85242 - ICE with class definition in template parm.
618         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
619         processing_template_parmlist.
621         PR c++/85240 - LTO ICE with using of undeduced auto fn.
622         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
624 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
626         PR c++/85209
627         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
628         is not prev, if prev == decl.
630         PR c++/85208
631         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
632         maybe_apply_pragma_weak here...
633         (cp_maybe_mangle_decomp): ... but call it here instead.
635 2018-04-05  Jason Merrill  <jason@redhat.com>
637         PR c++/85136 - ICE with designated init in template.
638         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
639         designated initializer.
640         (check_array_designated_initializer): Update ce->index with the
641         constant value.
643         PR c++/83808 - ICE with VLA initialization.
644         * typeck2.c (process_init_constructor_array): Don't require a VLA
645         initializer to have VLA type.
647 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
649         PR c++/80956
650         * call.c (convert_like_real): Fail gracefully for a broken
651         std::initializer_list, missing a definition.
653         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
655 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
657         PR c++/84792
658         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
659         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
661 2018-04-05  Jason Merrill  <jason@redhat.com>
663         PR c++/82152 - ICE with class deduction and inherited ctor.
664         * pt.c (do_class_deduction): Ignore inherited ctors.
666         PR c++/84665 - ICE with array of empty class.
667         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
669         PR c++/85228 - ICE with lambda in enumerator in template.
670         * pt.c (bt_instantiate_type_proc): Don't assume
671         CLASSTYPE_TEMPLATE_INFO is non-null.
673 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
675         Implement P0969
676         * decl.c (find_decomp_class_base): Check accessibility instead
677         of declared access, adjust diagnostic.
679 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
681         Implement P0961
682         * decl.c (get_tuple_decomp_init): Check the templatedness
683         of a member get.
685 2018-04-05  Jason Merrill  <jason@redhat.com>
687         PR c++/85200 - ICE with constexpr if in generic lambda.
688         * pt.c (extract_locals_r): Don't record the local specs of variables
689         declared within the pattern.
691 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
693         PR c++/84979
694         * pt.c (check_auto_in_tmpl_args): New.
695         (tsubst_qualified_id): Use it to reject template args
696         referencing auto for non-type templates.
697         * parser.c (cp_parser_template_id): Likewise.
698         * cp-tree.h (check_auto_in_tmpl_args): Declare.
699         * typeck2.c (build_functional_cast): Report correct location
700         for invalid use of auto.
702 2018-04-04  Jason Merrill  <jason@redhat.com>
704         PR c++/85215 - ICE with copy-init from conversion.
705         * call.c (merge_conversion_sequences): Fix type of direct binding
706         sequence.
708         PR c++/84938 - ICE with division by ~-1.
709         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
711         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
712         * parser.c (cp_parser_mem_initializer_list): Call
713         check_for_bare_parameter_packs.
715 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
717         PR inline-asm/85172
718         * constexpr.c (cxx_eval_builtin_function_call): For calls to
719         builtin_valid_in_constant_expr_p functions, don't call
720         cxx_eval_constant_expression if argument is not
721         potential_constant_expression.
723         PR c++/85146
724         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
725         argument.
726         * semantics.c (calculate_bases): Add complain argument.  Use
727         complete_type_or_maybe_complain instead of just complete_type and
728         return an empty vector if it fails.  Move make_tree_vector () call
729         after early return.  Formatting fixes.
730         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
731         end.
732         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
733         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
734         calculate_direct_bases callers, formatting fixes.
736 2018-04-04  Jason Merrill  <jason@redhat.com>
738         PR c++/85006 - -fconcepts ICE with A<auto...> return type
739         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
741         PR c++/85200 - ICE with constexpr if in generic lambda.
742         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
744         PR c++/84221 - bogus -Wunused with attribute and template.
745         * decl2.c (is_late_template_attribute): Handle unused and used
746         normally on non-TYPE_DECL.
748         PR c++/85135 - ICE with omitted template arguments.
749         * decl.c (grokdeclarator): Catch deduced class type in trailing
750         return type.
752         PR c++/85133 - ICE with missing concept initializer.
753         * decl.c (cp_finish_decl): If a concept initializer is missing, use
754         true.
756         PR c++/85118 - wrong error with generic lambda and std::bind.
757         * call.c (add_template_conv_candidate): Disable if there are any
758         call operators.
760         PR c++/85141 - ICE with compound assignment and static member fn.
761         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
762         compound assignment.
764         PR c++/85148 - ICE with 'this' in array NSDMI.
765         * tree.c (replace_placeholders_r): Use handled_component_p.
767 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
769         PR c++/65923
770         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
771         * parser.c (cp_parser_unqualified_id): ..not here.
773 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
775         PR c++/84943
776         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
777         used.
778         * decl2.c (mark_used): Return without effects if tf_conv.
780 2018-04-03  Jason Merrill  <jason@redhat.com>
782         PR c++/85092 - C++17 ICE with unused list constructor.
783         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
784         from a TARGET_EXPR.
786         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
787         * constexpr.c (cxx_eval_builtin_function_call): Only defer
788         __builtin_constant_p if ctx->quiet.
790 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
792         PR c++/84768
793         * pt.c (rewrite_template_parm): If the first argument is
794         error_mark_node return it immediately.
795         (build_deduction_guide): Check the return value of the
796         latter for error_mark_node.
797         (do_class_deduction): Check the return value of the latter.
799 2018-04-03  Jason Merrill  <jason@redhat.com>
801         * semantics.c (finish_if_stmt_cond): Use
802         instantiation_dependent_expression_p.
804         PR c++/85149 - generic lambda and constexpr if.
805         * pt.c (build_extra_args, add_extra_args): Split from
806         tsubst_pack_expansion.
807         (tsubst_expr) [IF_STMT]: Use them.
808         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
810         * typeck.c (merge_types): Limit matching attribute shortcut to
811         the default case.
813 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
815         PR c++/85147
816         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
818         PR c++/85140
819         * name-lookup.c (handle_namespace_attrs): Return early if attributes
820         is error_mark_node.
822         PR c++/85134
823         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
824         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
825         instead for static data members clear init and set DECL_EXTERNAL.
827 2018-04-02  Jason Merrill  <jason@redhat.com>
829         PR c++/64095 - auto... parameter pack.
830         * parser.c (cp_parser_parameter_declaration): Handle turning autos
831         into packs here.
832         (cp_parser_parameter_declaration_list): Not here.
834 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
836         PR c++/85027
837         * class.c (instantiate_type): Peel off SAVE_EXPR before
838         BASELINK.
840 2018-03-30  Jason Merrill  <jason@redhat.com>
842         * typeck2.c (process_init_constructor_record): Use
843         init_list_type_node for the CONSTRUCTOR around an anonymous union
844         designated initializer.
846 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
848         PR c++/84791
849         * semantics.c (finish_omp_reduction_clause): If
850         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
851         even if processing_template_decl.
853 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
855         PR c++/84269
856         * name-lookup.c (get_std_name_hint): Add names from <memory>,
857         <tuple>, and <utility>.
859 2018-03-29  Jason Merrill  <jason@redhat.com>
861         PR c++/85093 - too many template args with pack expansion.
862         * pt.c (coerce_template_parms): Keep pack expansion args that will
863         need to be empty.
865 2018-03-29  Jason Merrill  <jason@redhat.com>
867         * pt.c (build_non_dependent_expr): Propagate expr location.
869 2018-03-27  Jason Merrill  <jason@redhat.com>
871         PR c++/85060 - wrong-code with call to base member in template.
872         * search.c (any_dependent_bases_p): Check uses_template_parms
873         rather than processing_template_decl.
875 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
877         PR c++/85110
878         * typeck.c (convert_for_assignment): When complaining due to
879         conversions for an argument, attempt to use the location of the
880         argument.
882 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
884         PR c++/85028
885         * pt.c (tsubst_default_argument): Early return if the type of the
886         parameter is erroneous.
888 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
890         PR c++/84973
891         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
892         templates.
894         PR c++/84968
895         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
897 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
899         PR c++/85067
900         * method.c (defaulted_late_check): Partially revert r253321 changes,
901         do not early return upon error.
903 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
905         PR c++/85077
906         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
907         type call fold to generate VECTOR_CSTs when possible.
909         PR c++/85076
910         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
911         return it right away.
913 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
915         * search.c (check_final_overrider): Use inform instead of error
916         for the diagnostics of the overridden functions.  Tweak wording.
918 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
920         PR c++/85068
921         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
922         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
924 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
925             Jason Merrill  <jason@redhat.com>
927         PR c++/84632
928         * init.c (build_aggr_init): When initializing from array,
929         reject anything but CONSTRUCTORs and TARGET_EXPRs.
930         (build_vec_init): Handle separately ARRAY_TYPEs.
932 2018-03-26  Jason Merrill  <jason@redhat.com>
934         PR c++/85062 - ICE with alignas in wrong place.
935         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
936         here.
938         PR c++/85049 - ICE with __integer_pack.
939         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
940         * cp-tree.h (TEMPLATE_PARM_P): New.
942 2018-03-23  Jason Merrill  <jason@redhat.com>
944         PR c++/78489 - wrong SFINAE behavior.
946         PR c++/84489
947         * pt.c (type_unification_real): Don't defer substitution failure.
949 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
951         PR c++/85015
952         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
953         result.
955         PR c++/84942
956         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
957         cp_build_unary_op call with gcc_unreachable ().
959 2018-03-23  Marek Polacek  <polacek@redhat.com>
961         PR c++/85045
962         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
963         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
964         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
966 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
968         Implement P0962
969         * parser.c (cp_parser_perform_range_for_lookup): Change
970         the condition for deciding whether to use members.
972 2018-03-23  Marek Polacek  <polacek@redhat.com>
974         PR c++/85033
975         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
977 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
979         PR c++/71251
980         * parser.c (cp_parser_alias_declaration): Call
981         parser_check_template_parameters.
983         PR c++/84789
984         * pt.c (resolve_typename_type): Drop assert that stopped
985         simplification to template-independent types.  Add assert to
986         verify the initial scope is template dependent.
987         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
988         Reparse the id expression as a type-name, not a declarator.
990         PR c++/84729
991         * init.c (build_vec_init): Error at parenthesized array init.
993         PR c++/84610
994         PR c++/84642
995         PR c++/84942
996         * cp-tree.h (temp_override): New template class, generalizing
997         a cleanup that was only used...
998         * parser.c (cp_parser_parameter_declaration_clause):
999         ... here for auto_is_implicit_function_template_parm_p.
1000         (cp_parser_gnu_attributes_opt): Use it here as well.
1001         (cp_parser_std_attribute): Likewise.
1003 2018-03-22  Marek Polacek  <polacek@redhat.com>
1005         PR c++/84854
1006         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1007         is boolean.
1009 2018-03-21  Jason Merrill  <jason@redhat.com>
1011         PR c++/81311 - wrong C++17 overload resolution.
1012         * call.c (build_user_type_conversion_1): Remove C++17 code.
1013         (conv_binds_ref_to_prvalue): New.
1014         (build_over_call): Handle C++17 copy elision.
1015         (build_special_member_call): Only do C++17 copy elision here if the
1016         argument is already the right type.
1018 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1020         PR c++/71965
1021         * init.c (build_vec_init): Silence error, former sorry,
1022         without tf_error.
1024         PR c++/84610
1025         PR c++/84642
1026         * parser.c (abort_fully_implicit_template_p): New.
1027         (cp_parser_skip_to_end_of_statement): Use it.
1028         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1029         (finish_fully_implicit_template_p): Clear
1030         implicit_template_parms and implicit_template_scope.
1032 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1034         PR c++/84972
1035         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1036         error_mark_node when check_array_designated_initializer fails.
1038 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1040         PR c++/84961
1041         * cp-tree.h (genericize_compound_lvalue): Declare.
1042         * typeck.c (genericize_compound_lvalue): New function.
1043         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1044         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1045         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1046         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1047         COMPOUND_EXPR operand.
1049 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1051         PR c++/85008
1052         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1053         * decl2.c (vague_linkage_p): Likewise.
1055 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1057         PR c++/84994
1058         * constexpr.c (constexpr_fn_retval): Make non-"static".
1059         * cp-tree.h (constexpr_fn_retval): New decl.
1060         * search.c (direct_accessor_p): Update leading comment.
1061         (reference_accessor_p): Likewise.
1062         (field_accessor_p): Replace check that function body is a
1063         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1064         indentation of "field_type" decl.
1066 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1068         PR c++/84804
1069         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1070         complete classes.
1072 2018-03-21  Martin Sebor  <msebor@redhat.com>
1074         PR c++/84850
1075         * call.c (first_non_public_field): New template and function.
1076         (first_non_trivial_field): New function.
1077         (maybe_warn_class_memaccess): Call them.
1079 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1081         PR c++/84892
1082         * search.c (field_accessor_p): Use class_of_this_parm rather than
1083         type_of_this_parm, to check that "this" is a "const T *", rather
1084         than a "T *const".
1086 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1088         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1089         other than public non-static data members.
1090         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1091         parenthesized initializer.
1093         PR c++/84836
1094         * name-lookup.c (update_binding): Correct logic for local binding
1095         update.
1097 2018-03-21  Marek Polacek  <polacek@redhat.com>
1099         PR c++/71638, ICE with NSDMI and reference.
1100         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1101         even when we replace an element.
1103 2018-03-20  Marek Polacek  <polacek@redhat.com>
1105         PR c++/84978, ICE with NRVO.
1106         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1107         a RESULT_DECL isn't in the hash map.
1109 2018-03-20  Jason Merrill  <jason@redhat.com>
1111         PR c++/84978, ICE with NRVO.
1112         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1113         (cp_get_callee_fndecl_nofold): New.
1114         * cp-gimplify.c (cp_genericize_r): Use it instead.
1115         * call.c (check_self_delegation): Likewise.
1117 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1119         PR c++/84962
1120         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1121         member_vec, if there is one.
1123         PR c++/84970
1124         * cp-tree.h (lookup_list_keep): Declare.
1125         * tree.c (lookup_list_keep): New, broken out of ...
1126         (build_min): ... here.  Call it.
1127         * decl.c (cp_finish_decl): Call lookup_list_keep.
1129 2018-03-19  Jason Merrill  <jason@redhat.com>
1131         PR c++/84937 - ICE with class deduction and auto.
1132         * pt.c (rewrite_template_parm): Fix auto handling.
1134 2018-03-19  Marek Polacek  <polacek@redhat.com>
1136         PR c++/84925
1137         * pt.c (enclosing_instantiation_of): Check if fn is null.
1139         PR c++/84927
1140         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1141         as we evaluate the elements.
1142         (cxx_eval_constant_expression): Verify constructor's flags
1143         unconditionally.
1145 2018-03-19  Jason Merrill  <jason@redhat.com>
1147         PR c++/71834 - template-id with too few arguments.
1148         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1150 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1152         PR c++/84835
1153         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1154         * pt.c (build_template_decl): Propagate language linkage.
1156         PR c++/84812
1157         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1158         ambiguous lookups.
1160 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1162         PR c/84910
1163         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1164         diagnostics.
1165         * method.c (synthesize_method): Likewise.
1166         * pt.c (convert_nontype_argument): Likewise.
1168 2018-03-16  Jason Merrill  <jason@redhat.com>
1170         PR c++/84720 - ICE with rvalue ref non-type argument.
1171         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1172         (convert_nontype_argument): Revert earlier change.
1174         PR c++/80227 - SFINAE and negative array size.
1175         * decl.c (compute_array_index_type): Use
1176         build_converted_constant_expr and valid_constant_size_p.
1178         PR c++/84906 - silent wrong code with ambiguous conversion.
1179         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1180         ambiguous conversion.
1181         (convert_like_real): Check it.
1183         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1184         * call.c (build_special_member_call): Don't convert an init-list
1185         argument directly to the class type.
1187 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1189         PR c++/79937
1190         PR c++/82410
1191         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1192         (find_placeholder): Declare.
1193         * tree.c (struct replace_placeholders_t): Add exp member.
1194         (replace_placeholders_r): Don't walk into ctors with
1195         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1196         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1197         (replace_placeholders): Initialize data.exp.
1198         (find_placeholders_r, find_placeholders): New functions.
1199         * typeck2.c (process_init_constructor_record,
1200         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1201         if adding NSDMI on which find_placeholder returns true.
1202         * call.c (build_over_call): Don't call replace_placeholders here.
1203         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1204         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1205         TARGET_EXPR_INITIAL.
1206         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1207         ctor.
1209 2018-03-16  Jason Merrill  <jason@redhat.com>
1211         PR c++/83911 - ICE with multiversioned constructor.
1212         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1213         dispatchere here.
1214         * call.c (build_over_call): Not here.
1216 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1218         PR c++/84874
1219         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1220         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1222 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1224         PR c++/84222
1225         * cp-tree.h (cp_warn_deprecated_use): Declare.
1226         * tree.c (cp_warn_deprecated_use): New function.
1227         * typeck2.c (build_functional_cast): Use it.
1228         * decl.c (grokparms): Likewise.
1229         (grokdeclarator): Likewise.  Temporarily push nested class scope
1230         around grokparms call for out of class member definitions.
1232 2018-03-14  Jason Merrill  <jason@redhat.com>
1234         PR c++/84820 - no error for invalid qualified-id.
1235         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1236         cp_error_declarator.
1238         PR c++/84801 - ICE with unexpanded pack in lambda.
1239         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1240         lambda in non-template context.
1242         PR c++/81236 - auto variable and auto function
1243         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1244         mark_used.
1246 2018-03-14  Jason Merrill  <jason@redhat.com>
1248         PR c++/83916 - ICE with template template parameters.
1249         * pt.c (convert_template_argument): Don't substitute into type of
1250         non-type parameter if we don't have enough arg levels.
1251         (unify): Likewise.
1253 2018-03-14  Marek Polacek  <polacek@redhat.com>
1255         PR c++/84596
1256         * semantics.c (finish_static_assert): Check
1257         instantiation_dependent_expression_p instead of
1258         {type,value}_dependent_expression_p.
1260 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1261             Jason Merrill  <jason@redhat.com>
1263         PR c++/82336 - link error with list-init default argument.
1264         * decl.c (check_default_argument): Unshare an initializer list.
1266 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1268         PR c++/84843
1269         * decl.c (duplicate_decls): For redefinition of built-in, use error
1270         and return error_mark_node.  For redeclaration, return error_mark_node
1271         rather than olddecl if !flag_permissive.
1273 2018-03-13  Jason Merrill  <jason@redhat.com>
1275         PR c++/82565 - ICE with concepts and generic lambda.
1276         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1278 2018-03-13  Jason Merrill  <jason@redhat.com>
1280         PR c++/84720 - ICE with rvalue ref non-type argument.
1281         * pt.c (convert_nontype_argument): Handle rvalue references.
1283         PR c++/84839 - ICE with decltype of parameter pack.
1284         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1285         instantiating dummy parms.
1287         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1288         parameter even without -Wpedantic.
1290         PR c++/84798 - ICE with auto in abstract function declarator.
1291         * parser.c (cp_parser_parameter_declaration_clause): Check
1292         parser->default_arg_ok_p.
1294 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1296         PR c++/84808
1297         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1298         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1299         sizetype.  Formatting fixes.
1301 2018-03-12  Jason Merrill  <jason@redhat.com>
1303         PR c++/84355 - ICE with deduction for member class template.
1304         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1305         CLASS_PLACEHOLDER_TEMPLATE.
1307         PR c++/84802 - ICE capturing uninstantiated class.
1308         * lambda.c (build_capture_proxy): Call complete_type.
1310 2018-03-09  Jason Merrill  <jason@redhat.com>
1312         PR c++/84770 - ICE with typedef and parameter pack.
1313         * pt.c (verify_unstripped_args_1): Split out from
1314         verify_unstripped_args.
1316         PR c++/84785 - ICE with alias template and default targs.
1317         * pt.c (type_unification_real): Set processing_template_decl if
1318         saw_undeduced == 1.
1320         PR c++/84752 - ICE with capture of constexpr array.
1321         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1322         identity conversion under ck_lvalue.
1324 2018-03-09  Jason Merrill  <jason@redhat.com>
1325             Paolo Carlini  <paolo.carlini@oracle.com>
1327         PR c++/71169
1328         PR c++/71832
1329         * pt.c (any_erroneous_template_args_p): New.
1330         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1331         * parser.c (cp_parser_class_specifier_1): Use it.
1333 2018-03-09  Jason Merrill  <jason@redhat.com>
1335         PR c++/84726 - unnecessary capture of constant vars.
1336         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1337         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1338         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1339         * lambda.c (is_constant_capture_proxy)
1340         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1341         (prune_lambda_captures): New.
1342         (finish_lambda_function): Call prune_lambda_captures.
1344 2018-03-09  Jason Merrill  <jason@redhat.com>
1345             Jakub Jelinek  <jakub@redhat.com>
1347         PR c++/84076
1348         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1349         build ADDR_EXPR with REFERENCE_TYPE.
1350         (build_over_call): For purposes of check_function_arguments, if
1351         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1352         its operand rather than the argument itself.
1354 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1356         PR c++/84724
1357         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1358         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1359         also a note and return olddecl.
1361 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1363         PR c++/84733
1364         * name-lookup.c (do_pushdecl_with_scope): Only clear
1365         current_function_decl when pushing a non-class (i.e. namespace)
1366         scope.
1368 2018-03-08  Jason Merrill  <jason@redhat.com>
1369             Jakub Jelinek  <jakub@redhat.com>
1371         PR c++/80598
1372         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1373         not calling mark_used for the benefit of -Wunused-function warning.
1375 2018-03-06  Jason Merrill  <jason@redhat.com>
1377         * lambda.c (is_capture_proxy_with_ref): Remove.
1378         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1380 2018-03-06  Marek Polacek  <polacek@redhat.com>
1382         PR c++/84684
1383         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1384         arguments.
1386 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1388         PR c++/84231
1389         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1390         only while processing template decls.
1391         * typeck.c (build_x_conditional_expr): Move wrapping of
1392         reference type around type...
1393         * call.c (build_conditional_expr_1): ... here.  Rename
1394         is_lvalue to is_glvalue.
1395         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1396         INDIRECT_REF of COND_EXPR too.
1398         PR c++/84593
1399         * init.c (build_zero_init_1): Zero-initialize references.
1401         PR c++/84492
1402         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1403         overloads used as stmt expr values.
1405 2018-03-05  Jason Merrill  <jason@redhat.com>
1407         PR c++/84708 - ICE with lambda in local class NSDMI.
1408         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1409         context.
1411 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1413         PR c++/84684
1414         * constexpr.c (constexpr_call_hasher::equal): Return false if
1415         lhs->hash != rhs->hash.  Change return 1 to return true and
1416         return 0 to return false.
1418 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1420         PR c++/84702
1421         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1423 2018-03-05  Marek Polacek  <polacek@redhat.com>
1425         PR c++/84707
1426         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1427         UDLIT_OPER_P.
1429 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1431         PR c++/84694
1432         * friend.c (do_friend): Restore check for identifier_p inside
1433         TEMPLATE_ID_EXPR.
1435 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1437         PR c++/84618
1438         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1439         involving a VAR_DECL or a PARM_DECL.
1441 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1442             Jason  Merrill  <jason@redhat.com>
1443             Nathan Sidwell  <nathan@acm.org>
1445         PR c++/84497
1446         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1448 2018-03-03  Jason Merrill  <jason@redhat.com>
1450         PR c++/84686 - missing volatile loads.
1451         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1453 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1455         PR c++/71464
1456         * optimize.c (maybe_thunk_body): Bail out immediately if either
1457         fns[0] or fns[1] is null.
1459 2018-03-02  Marek Polacek  <polacek@redhat.com>
1461         PR c++/84578
1462         * constexpr.c (get_array_or_vector_nelts): New.
1463         (cxx_eval_array_reference): Use it.
1464         (cxx_eval_vec_init_1): Likewise.
1465         (cxx_eval_store_expression): Likewise.
1467 2018-03-02  Jason Merrill  <jason@redhat.com>
1469         * semantics.c (force_paren_expr): Remove redundant test.
1471 2018-03-02  Marek Polacek  <polacek@redhat.com>
1473         PR c++/84663
1474         * decl.c (cp_complete_array_type): Check error_mark_node.
1476         PR c++/84664
1477         * typeck.c (cp_perform_integral_promotions): Check the result of
1478         mark_rvalue_use.
1480 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1482         PR c++/84662
1483         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1484         RETURN instead of return.
1485         <case POINTER_PLUS_EXPR>: Likewise.
1486         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1487         it instead of wrapping it into CONVERT_EXPR.
1489 2018-03-02  Jason Merrill  <jason@redhat.com>
1491         Fix MIPS16 ICE.
1492         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1494 2018-03-02  Marek Polacek  <polacek@redhat.com>
1496         PR c++/84590
1497         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1498         wrapped in VIEW_CONVERT_EXPR.
1500 2018-03-01  Martin Sebor  <msebor@redhat.com>
1502         PR c++/84294
1503         * decl.c (check_redeclaration_no_default_args): Merge attributes
1504         specified on redeclarations of the same function template.
1505         Remove dead code.
1507 2018-03-01  Marek Polacek  <polacek@redhat.com>
1508             Jason Merrill  <jason@redhat.com>
1510         PR c++/84582
1511         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1512         a template.
1513         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1514         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1515         of instantiate_non_dependent_expr.
1516         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1518 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1520         PR c++/84434
1521         * name-lookup.c (member_vec_dedup): Remove manually peeled
1522         iteration.  Ignore dependent ctor inheritance.
1524 2018-03-01  Jason Merrill  <jason@redhat.com>
1526         PR c++/71569 - decltype of template.
1527         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1529 2018-03-01  Marek Polacek  <polacek@redhat.com>
1531         PR c++/84596
1532         * constexpr.c (require_rvalue_constant_expression): New function.
1533         * cp-tree.h: Declare it.
1534         * semantics.c (finish_static_assert): Use it instead of
1535         require_potential_rvalue_constant_expression.
1537 2018-03-01  Jason Merrill  <jason@redhat.com>
1538             Alexandre Oliva <aoliva@redhat.com>
1540         PR c++/71569 - ICE with redundant args on member variable template.
1541         * decl.c (start_decl): Handle partial specialization of member
1542         variable template.
1543         * pt.c (determine_specialization): Allow partial specialization
1544         of member variable template without specializing enclosing class.
1545         (process_partial_specialization): Improve error message.
1547 2018-02-28  Jason Merrill  <jason@redhat.com>
1549         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1550         * pt.c (determine_specialization): Check ref-qualifier.
1552 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1554         PR c++/84609
1555         * parser.c (cp_parser_attributes_opt): Formatting fix.
1556         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1557         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1558         New functions.
1559         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1560         instead of tentative parse to peek over optional attribute tokens
1561         to check for CPP_COLON after them.
1563         PR c++/83871
1564         PR c++/83503
1565         * pt.c (INCLUDE_STRING): Remove define.
1566         (warn_spec_missing_attributes): Use pretty_printer instead of
1567         std::string.  Fix up inform call so that the list of attributes
1568         is in %s argument.
1570 2018-02-28  Martin Sebor  <msebor@redhat.com>
1572         PR testsuite/84617
1573         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1574         and malloc.
1576 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1578         PR c++/84602
1579         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1580         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1581         regardless of want_type.
1582         (search_anon_aggr): Just use get_class_binding_direct.
1584 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1586         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1587         inform_n.
1589 2018-02-27  Martin Sebor  <msebor@redhat.com>
1591         * pt.c: Avoid including <string> directly.
1593 2018-02-27  Martin Sebor  <msebor@redhat.com>
1595         PR c++/83871
1596         PR c++/83503
1597         * cp-tree.h (warn_spec_missing_attributes): New function.
1598         ((check_explicit_specialization): Add an argument.  Call the above
1599         function.
1600         * decl.c (duplicate_decls): Avoid applying primary function template's
1601         attributes to its explicit specializations.
1602         cp/pt.c (warn_spec_missing_attributes): Define.
1604 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1606         PR c++/71546 - lambda init-capture with qualified-id.
1607         * parser.c (cp_parser_lambda_introducer): Clear scope after
1608         each lambda capture.
1610 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1612         PR c++/84426
1613         * name-lookup.h (get_member_slot): Rename ...
1614         (find_member_slot): ... here.
1615         (add_member_slot): New.
1616         * name-lookup.c (member_vec_linear_search): No need to check for
1617         NULL slot.
1618         (get_member_slot): Rename ...
1619         (find_member_slot): ... here.  Don't add slot for incomplete class.
1620         (add_member_slot): New.
1621         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1622         if push_class_level_binding fails.  Create slot and grok
1623         properties once we're committed to insertion.
1625 2018-02-27  Jason Merrill  <jason@redhat.com>
1627         PR c++/84489 - dependent default template argument
1628         * pt.c (type_unification_real): Handle early substitution failure.
1630 2018-02-26  Jason Merrill  <jason@redhat.com>
1632         PR c++/84560 - ICE capturing multi-dimensional VLA.
1633         * tree.c (array_of_runtime_bound_p): False if the element is
1634         variably-modified.
1636         PR c++/84441 - ICE with base initialized from ?:
1637         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1639         PR c++/84520 - ICE with generic lambda in NSDMI.
1640         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1641         'this' in a generic lambda instantiation.
1643         PR c++/84559 - ICE with constexpr VLA.
1644         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1645         for constexpr variable with VLA type.
1647 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1649         PR c++/84558
1650         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1651         a valid constant initializer.  Formatting fixes.
1653 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1655         PR c++/84540
1656         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1657         returning NULL_TREE.
1658         (apply_late_template_attributes): Likewise.
1660 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1662         PR c++/84557
1663         * parser.c (cp_parser_omp_var_list_no_open): Only call
1664         cp_parser_lookup_name_simple on names satisfying identifier_p.
1665         (cp_parser_oacc_routine): Likewise.
1667 2018-02-26  Jason Merrill  <jason@redhat.com>
1669         PR c++/84551 - ICE with concepts and -g.
1670         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1672 2018-02-26  Marek Polacek  <polacek@redhat.com>
1674         PR c++/84325
1675         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1676         non-types.
1678 2018-02-26  Jason Merrill  <jason@redhat.com>
1680         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1681         * call.c (build_over_call): Handle deleted functions in one place.
1683 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1685         PR c++/84533
1686         * decl.c (redeclaration_error_message): Don't try to use
1687         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1689 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1691         * lambda.c (build_capture_proxy): Define static.
1692         * cp-tree.h (build_capture_proxy): Remove.
1694 2018-02-26  Marek Polacek  <polacek@redhat.com>
1696         PR c++/84537
1697         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1698         if name is error node.
1700 2018-02-25  Jason Merrill  <jason@redhat.com>
1702         PR c++/84015 - ICE with class deduction and auto template parm.
1703         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1705 2018-02-24  Marek Polacek  <polacek@redhat.com>
1707         PR c++/83692
1708         * constexpr.c (maybe_constant_init_1): New function.
1709         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1710         (cxx_constant_init): New function.
1711         * cp-tree.h (cxx_constant_init): Declare.
1712         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1713         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1715 2018-02-22  Jason Merrill  <jason@redhat.com>
1717         PR c++/70468 - ICE with constructor delegation via typedef.
1718         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1719         with constructor delegation.
1721 2018-02-22  Jason Merrill  <jason@redhat.com>
1723         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1724         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1725         VECTOR_TYPE.
1727 2018-02-22  Marek Polacek  <polacek@redhat.com>
1729         PR c++/84493
1730         * parser.c (cp_parser_braced_list): Use require_open instead of
1731         consume_open.
1733 2018-02-21  Jason Merrill  <jason@redhat.com>
1735         PR c++/84454 - ICE with pack expansion in signature.
1736         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1738 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1740         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1741         IF_STMT.
1743 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1745         PR c++/84446
1746         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1747         on error_mark_node.
1749 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1751         PR c++/84445
1752         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1753         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1755         PR c++/84449
1756         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1757         returns error_mark_node, return it immediately.
1758         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1759         error_mark_node, return error_mark_node.
1761         PR c++/84455
1762         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1763         function_depth to avoid GC during finish_lambda_function.
1765 2018-02-19  Jason Merrill  <jason@redhat.com>
1767         PR c++/84429 - ICE capturing VLA.
1768         * lambda.c (build_capture_proxy): Handle reference refs.
1770 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1772         PR c++/84448
1773         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1774         either operand is error_mark_node, set current.lhs to that instead of
1775         creating a binary op with error_mark_node operands.
1777         PR c++/84430
1778         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1780 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1782         PR c++/84348
1783         * decl.c (grokdeclarator): Early return error_mark_node upon
1784         ill-formed friend declaration.
1786 2018-02-16  Marek Polacek  <polacek@redhat.com>
1787             Jakub Jelinek  <jakub@redhat.com>
1789         PR c++/84192
1790         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1791         set *jump_target to anything if jump_target is NULL.
1793 2018-02-16  Jason Merrill  <jason@redhat.com>
1795         PR c++/84151 - unnecessary volatile load with static member.
1796         * call.c (build_new_method_call_1): Avoid loading from a volatile
1797         lvalue used as the object argument for a static member function.
1799         PR c++/81853 - using-directive and constexpr.
1800         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1802         PR c++/84420 - ICE with structured binding in lambda.
1803         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1805         PR c++/83835 - C++17 error with constructor ctors.
1806         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1808         PR c++/82664 - ICE with reference to function template parm.
1809         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1810         NOP_EXPRs.
1812         PR c++/82764 - C++17 ICE with empty base
1813         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1815 2018-02-16  Jason Merrill  <jason@redhat.com>
1817         PR c++/84421 - type-dependent if constexpr
1818         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1820 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1822         Deprecate -ffriend-injection.
1823         * decl.c (cxx_init_decl_processing): Emit warning on option.
1824         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1825         friend.
1827 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1829         PR c++/82468
1830         * decl.c (check_special_function_return_type): Reject template
1831         template parameter in deduction guide.
1833 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1835         PR c++/84375
1836         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1838 2018-02-15  Jason Merrill  <jason@redhat.com>
1840         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1841         * call.c (convert_like_real): Don't use the copy-list-initialization
1842         shortcut for ck_base.
1844         PR c++/84045 - ICE with typedef and noexcept.
1845         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1847         PR c++/84376 - ICE with omitted template arguments.
1848         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1850         PR c++/84368 - wrong error with local variable in variadic lambda.
1851         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1852         local_specializations.
1854 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1856         PR c++/84330
1857         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1858         as first argument.
1860 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1862         PR c++/84350
1863         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1864         init, early return.
1866 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1868         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1869         (c_parse_final_cleanups): Restore input_location after emitting
1870         vtables.
1872 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1874         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1875         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1876         auto_deduction_context, tree, int): Add defaults.
1877         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1878         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1879         tsubst_flags_t argument.
1880         * init.c (build_new): Likewise.
1882 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1884         PR c++/84364
1885         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1886         about return other than *this in assignment operators if
1887         retval is type dependent expression.
1889 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1891         PR c++/84333
1892         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1893         save_expr for the G++ extension.
1895 2018-02-13  Jason Merrill  <jason@redhat.com>
1897         PR c++/84080 - ICE with return type deduction and specialization.
1898         * pt.c (determine_specialization): Check uses_template_parms.
1900         Fix more variadic capture issues.
1901         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1902         (check_for_bare_parameter_packs): Check current_class_type for
1903         lambda context.
1904         (extract_locals_r): Handle seeing a full instantiation of a pack.
1905         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1906         * parser.c (cp_parser_lambda_introducer): Don't
1907         check_for_bare_parameter_packs.
1909         PR c++/84338 - wrong variadic sizeof.
1910         * pt.c (argument_pack_select_arg): Like the macro, but look through
1911         a pack expansion.
1912         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1913         (extract_fnparm_pack): Do make_pack_expansion.
1914         (extract_locals_r): Do strip a pack expansion.
1915         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1917 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1919         PR c++/84341
1920         * parser.c (cp_parser_binary_expression): Use build_min instead of
1921         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1923 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1925         PR c++/84263
1926         * parser.c (cp_parser_decltype): Push and pop
1927         deferring_access_checks.  Reorganize to avoid goto.
1929 2018-02-12  Richard Biener  <rguenther@suse.de>
1931         PR c++/84281
1932         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1933         uniform constructors and delay allocating them fully.
1935 2018-02-09  Jason Merrill  <jason@redhat.com>
1937         PR c++/84036 - ICE with variadic capture.
1938         Handle variadic capture proxies more like non-variadic.
1939         * lambda.c (build_capture_proxy): Remove workaround.
1940         * pt.c (find_parameter_packs_r): The proxy is a pack.
1941         (instantiate_class_template_1): Remove dead lambda code.
1942         (extract_fnparm_pack): Don't make_pack_expansion.
1943         (extract_locals_r): Don't strip a pack expansion.
1944         (tsubst_pack_expansion): Handle proxy packs.  Use
1945         PACK_EXPANSION_EXTRA_ARGS less.
1946         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1947         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1948         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1949         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1950         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1952 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
1954         PR sanitizer/83987
1955         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1957 2018-02-09  Jason Merrill  <jason@redhat.com>
1959         PR c++/81917 - ICE with void_t and partial specialization.
1960         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1961         calling most_specialized_partial_spec.
1963 2018-02-09  Nathan Sidwell  <nathan@acm.org>
1965         PR c/84293
1966         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1967         Pass expr location to strict_aliasing_warning.
1969 2018-02-09  Jason Merrill  <jason@redhat.com>
1971         PR c++/84296 - ICE with qualified-id in template.
1972         PR c++/83714
1973         * pt.c (unknown_base_ref_p): New.
1974         (instantiation_dependent_scope_ref_p): Use it instead of
1975         any_dependent_bases_p.
1977 2018-02-09  Marek Polacek  <polacek@redhat.com>
1978             Jakub Jelinek  <jakub@redhat.com>
1980         PR c++/83659
1981         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
1982         fold_indirect_ref_1, including poly_*int64.  Verify first that
1983         tree_fits_poly_int64_p (op01).  Formatting fixes.
1985 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1987         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
1988         * lambda.c (build_capture_proxy): Likewise.
1989         * search.c (field_access_p): Likewise.
1990         * semantics.c (omp_clause_decl, omp_privatize_field,
1991         finish_omp_clauses): Likewise.
1993 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
1995         PR c++/83806
1996         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
1997         case of nullptr too.
1999 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2001         * class.c (finish_struct): Fix std:initializer_list diagnostic
2002         formatting.
2004 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2006         PR c++/83204
2007         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2009 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2011         PR c++/84082
2012         * parser.c (cp_parser_dot_deref_incomplete): New function.
2013         (cp_parser_postfix_dot_deref_expression): Use it.
2015 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2017         PR c++/81610
2018         PR c++/80567
2019         * name-lookup.c (suggest_rid_p): New function.
2020         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2021         suggest_rid_p.
2023 2018-02-07  Jason Merrill  <jason@redhat.com>
2025         PR c++/84182 - ICE with captured lambda
2026         PR c++/84181
2027         * pt.c (extract_locals_r, extract_local_specs): New.
2028         (tsubst_pack_expansion): Use them.
2030 2018-02-07  Martin Liska  <mliska@suse.cz>
2032         PR c++/84059.
2033         * class.c (add_method): Append argument value.
2034         * cp-tree.h (maybe_version_functions): Add new argument.
2035         * decl.c (decls_match): Call it if a declaration does not
2036         have DECL_FUNCTION_VERSIONED.
2037         (maybe_version_functions): record argument is added.
2039 2018-02-05  Marek Polacek  <polacek@redhat.com>
2041         * class.c: Remove unused global variables.
2042         (build_primary_vtable): Don't gather statistics.
2043         (print_class_statistics): Remove.
2044         * cp-tree.h (print_class_statistics): Remove.
2045         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2047 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2049         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2050         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2051         * decl.c (next_initializable_field, find_decomp_class_base,
2052         cp_finish_decomp): Likewise.
2053         * typeck2.c (process_init_constructor_record): Likewise.
2055 2018-02-02  Jason Merrill  <jason@redhat.com>
2057         PR c++/84181 - ICE with lambda parm in template argument.
2058         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2060 2018-02-01  Jason Merrill  <jason@redhat.com>
2062         PR c++/84160 - ICE with nested variadic capture.
2063         * lambda.c (is_capture_proxy_with_ref): New.
2064         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2065         COMPONENT_REF.
2066         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2067         * constexpr.c (potential_constant_expression_1): Likewise.
2068         * semantics.c (process_outer_var_ref): Likewise.
2070 2018-02-01  Marek Polacek  <polacek@redhat.com>
2072         PR c++/84125
2073         * typeck.c (build_address): Relax the assert when
2074         processing_template_decl.
2076 2018-02-01  Jason Merrill  <jason@redhat.com>
2078         PR c++/84126 - ICE with variadic generic lambda
2079         PR c++/84036
2080         PR c++/82249
2081         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2082         PACK_EXPANSION_EXTRA_ARGS.
2084 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2086         PR c++/83796
2087         * call.c (convert_like_real): If w're initializing from {} explicitly
2088         call abstract_virtuals_error_sfinae.
2090 2018-01-31  Jason Merrill  <jason@redhat.com>
2091             Jakub Jelinek  <jakub@redhat.com>
2093         PR c++/83993
2094         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2095         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2096         on ADDR_EXPR.
2098 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2100         PR c++/83993
2101         * constexpr.c (diag_array_subscript): Emit different diagnostics
2102         if TYPE_DOMAIN (arraytype) is NULL.
2103         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2104         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2106 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2108         PR c++/84092
2109         * semantics.c (finish_qualified_id_expr): When handling an
2110         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2112 2018-01-31  Marek Polacek  <polacek@redhat.com>
2114         PR c++/84138
2115         * cp-gimplify.c (cp_fold): Check if X is an error node before
2116         calling useless_type_conversion_p.
2118 2018-01-30  Jason Merrill  <jason@redhat.com>
2120         PR c++/84091 - ICE with local class in lambda in template.
2121         * decl2.c (determine_visibility): Look for outer containing template
2122         instantiation.
2124         PR c++/84098 - ICE with lambda in template NSDMI.
2125         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2127 2018-01-29  Jason Merrill  <jason@redhat.com>
2129         PR c++/68810 - wrong location for reinterpret_cast error.
2130         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2131         !dofold.
2133 2018-01-29  Marek Polacek  <polacek@redhat.com>
2135         PR c++/83996
2136         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2137         => fooarray[1] in offset_int.
2139 2018-01-29  Jason Merrill  <jason@redhat.com>
2141         PR c++/83942 - wrong unused warning with static_cast.
2142         * cvt.c (ocp_convert): Call mark_rvalue_use.
2144 2018-01-26  Jason Merrill  <jason@redhat.com>
2146         PR c++/83956 - wrong dtor error with anonymous union
2147         * method.c (walk_field_subobs): Variant members only affect
2148         deletedness.
2149         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2151         PR c++/84036 - ICE with variadic capture.
2152         PR c++/82249
2153         * pt.c (tsubst_pack_expansion): When optimizing a simple
2154         substitution, pull a single pack expansion out of its pack.
2156         PR c++/82514 - ICE with local class in generic lambda.
2157         * pt.c (regenerated_lambda_fn_p): Remove.
2158         (enclosing_instantiation_of): Don't use it.
2159         (tsubst_function_decl): Call enclosing_instantiation_of.
2161         * pt.c (lookup_template_class_1): Add sanity check.
2162         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2164 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2166         PR c++/84031
2167         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2168         recursive calls that return ret.
2169         (cp_finish_decomp): Ignore unnamed bitfields.
2171 2018-01-23  Jason Merrill  <jason@redhat.com>
2173         PR c++/82249 - wrong mismatched pack length error.
2174         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2175         unsubstituted function parameter pack.
2177 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2179         PR c++/83921
2180         * decl.c (check_for_uninitialized_const_var): Not static; add
2181         bool and tsubst_flags_t parameters; adjust to be used both in
2182         constexpr context and not.
2183         * constexpr.c (potential_constant_expression_1): Use the above.
2184         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2186 2018-01-23  Jason Merrill  <jason@redhat.com>
2188         PR c++/83947 - ICE with auto declarations.
2189         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2190         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2192 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2194         PR c++/83974
2195         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2196         for pointer to member function types.
2198 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2200         PR sanitizer/83987
2201         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2202         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2204 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2206         PR c++/83988
2207         * pt.c (tsubst_baselink): Remove optype assert.
2208         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2210 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2212         PR c++/83958
2213         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2214         refers to incomplete type.
2216 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2218         Deprecate ARM-era for scope handling
2219         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2220         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2221         cleared.
2222         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2223         cleanup handling.
2224         * semantics.c (begin_for_scope): Flag_new_for_scope is
2225         boolean-like.
2226         (finish_for_stmt, begin_range_for_stmt): Likewise.
2228 2018-01-22  Jason Merrill  <jason@redhat.com>
2230         PR c++/83720
2231         * decl2.c (determine_visibility): Fix template_decl handling
2232         instead of blocking it.
2234         PR c++/83720 - ICE with lambda and LTO.
2235         * decl2.c (determine_visibility): Clear template_decl for
2236         function-scope decls.  Propagate anonymous linkage from containing
2237         function.
2239 2018-01-22  Marek Polacek  <polacek@redhat.com>
2241         PR c++/81933
2242         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2243         split out anything.
2245 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2247         PR c++/83895
2248         * decl.c (grokdeclarator): Don't diagnose extra parens
2249         on typedefs.
2251 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2253         PR c++/81167
2254         * call.c (joust): Use TREE_TYPE (source) if source is
2255         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2257         PR c++/83919
2258         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2259         for direct enum init.
2260         * decl.c (reshape_init): Likewise.
2262 2018-01-19  Marek Polacek  <polacek@redhat.com>
2264         * constexpr.c (fold_simple): Simplify.
2266 2018-01-18  Jason Merrill  <jason@redhat.com>
2268         PR c++/83714
2269         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2270         * pt.c (instantiation_dependent_scope_ref_p): True if
2271         any_dependent_bases_p.
2273 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2275         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2276         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2278 2018-01-18  Jason Merrill  <jason@redhat.com>
2280         PR c++/82461 - constexpr list-initialized member
2281         * constexpr.c (potential_constant_expression_1): Check
2282         TARGET_EXPR_DIRECT_INIT_P.
2284 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2286         PR c++/81013
2287         * decl.c (xref_basetypes): Early return upon error about derived
2288         union.
2290 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2292         PR c++/83160
2293         * cp-tree.h (mark_use): Declare.
2294         * expr.c (mark_use): Make extern.
2295         * call.c (direct_reference_binding): Set inner conv's
2296         rvaluedness_matches_p, if it is an identity.
2297         (convert_like_real): Mark lvalue or rvalue use for identity as
2298         rvaledness_matches_p demands.
2300 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2302         PR c++/83824
2303         * parser.c (attr_chainon): New function.
2304         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2305         cp_parser_namespace_definition, cp_parser_init_declarator,
2306         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2307         cp_parser_gnu_attributes_opt): Use it.
2308         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2309         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2310         prefix_attributes if attributes is error_mark_node.
2312 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2314         PR c++/78344
2315         * decl.c (grokdeclarator): Do not append the error_mark_node
2316         due to an erroneous optional attribute-specifier-seq.
2318 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2320         PR c++/83897
2321         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2322         CLEANUP_POINT_EXPR.
2324 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2326         PR c++/81054
2327         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2328         error_mark_node when we give an error.
2329         * decl.c (cp_finish_decl): Use the latter.
2331 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2333         PR c++/83287
2334         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2336 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2338         PR c++/83814
2339         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2340         the C++ part.  If processing a template, call
2341         fold_non_dependent_expr rather than fully folding.
2343 2018-01-17  Jason Merrill  <jason@redhat.com>
2345         PR c++/81067 - redundant NULL warning.
2346         * call.c (convert_like_real): Restore null_node handling.
2348 2018-01-17  Jason Merrill  <jason@redhat.com>
2350         PR c++/81843 - ICE with variadic member template.
2351         PR c++/72801
2352         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2353         template args.
2355 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2357         PR c++/83799
2358         * pt.c (type_dependent_expression_p): Strip any location wrapper
2359         before testing tree codes.
2360         (selftest::test_type_dependent_expression_p): New function.
2361         (selftest::cp_pt_c_tests): Call it.
2363 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2365         PR c++/83739
2366         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2367         this not a final instantiation.
2369 2018-01-16  Jason Merrill  <jason@redhat.com>
2371         PR c++/83714 - ICE checking return in template.
2372         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2374 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2376         PR c++/83817
2377         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2378         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2379         instead of CALL_FROM_THUNK_P.
2381         PR c++/83825
2382         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2383         (resort_type_member_vec, set_class_bindings,
2384         insert_late_enum_def_bindings): Use vec qsort method instead of
2385         calling qsort directly.
2387 2018-01-15  Martin Sebor  <msebor@redhat.com>
2389         PR c++/83588
2390         * class.c (find_flexarrays): Make a record of multiple flexible array
2391         members.
2393 2018-01-12  Jason Merrill  <jason@redhat.com>
2395         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2396         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2398 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2400         * cp-tree.h (mark_rvalue_use): Add parm name.
2401         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2402         mark_rvalue_use.
2403         * call.c (convert_like_real): Fix formatting.
2405 2018-01-11  Jason Merrill  <jason@redhat.com>
2407         PR c++/82728 - wrong -Wunused-but-set-variable
2408         PR c++/82799
2409         PR c++/83690
2410         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2411         * decl.c (case_conversion): Likewise.
2412         * semantics.c (finish_static_assert): Call
2413         perform_implicit_conversion_flags.
2415 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2417         * method.c (enum mangling_flags): Delete long-dead enum.
2419 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2421         * parser.c (cp_parser_std_attribute_spec): When
2422         token_pair::require_open / require_close return false simply
2423         return error_mark_node, avoid duplicate cp_parser_error about
2424         expected '(' / ')', respectively.
2426 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2428         PR c++/43486
2429         * call.c (null_ptr_cst_p): Strip location wrappers when
2430         converting from '0' to a pointer type in C++11 onwards.
2431         (conversion_null_warnings): Replace comparison with null_node with
2432         call to null_node_p.
2433         (build_over_call): Likewise.
2434         * cp-gimplify.c (cp_fold): Remove the early bailout when
2435         processing_template_decl.
2436         * cp-lang.c (selftest::run_cp_tests): Call
2437         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2438         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2439         (selftest::run_cp_tests): Move decl to bottom of file.
2440         (null_node_p): New inline function.
2441         (selftest::cp_pt_c_tests): New decl.
2442         (selftest::cp_tree_c_tests): New decl.
2443         * cvt.c (build_expr_type_conversion): Replace comparison with
2444         null_node with call to null_node_p.
2445         * error.c (args_to_string): Likewise.
2446         * except.c (build_throw): Likewise.
2447         * mangle.c (write_expression): Skip location wrapper nodes.
2448         * parser.c (literal_integer_zerop): New function.
2449         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2450         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2451         param of cp_parser_parenthesized_expression_list.  When calling
2452         warn_for_memset, replace integer_zerop calls with
2453         literal_integer_zerop, eliminating the double logical negation
2454         cast to bool.  Eliminate the special-casing for CONST_DECL in
2455         favor of the fold_for_warn within warn_for_memset.
2456         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2457         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2458         maybe_add_location_wrapper on it when wrap_locations_p is true.
2459         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2460         the result for RID_ALIGNOF and RID_SIZEOF.
2461         (cp_parser_builtin_offsetof): Likewise.
2462         * pt.c: Include "selftest.h".
2463         (tsubst_copy): Handle location wrappers.
2464         (tsubst_copy_and_build): Likewise.
2465         (build_non_dependent_expr): Likewise.
2466         (selftest::test_build_non_dependent_expr): New function.
2467         (selftest::cp_pt_c_tests): New function.
2468         * tree.c: Include "selftest.h".
2469         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2470         (selftest::test_lvalue_kind): New function.
2471         (selftest::cp_tree_c_tests): New function.
2472         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2473         (cp_build_binary_op): Replace comparison with null_node with call
2474         to null_node_p.
2475         (build_address): Use location of operand when building address
2476         expression.
2478 2018-01-10  Marek Polacek  <polacek@redhat.com>
2480         PR c++/82541
2481         * call.c (build_conditional_expr_1): Check complain before warning.
2482         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2483         -Wduplicated-branches.
2485 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2487         PR c++/81327
2488         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2489         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2490         args uses and check number of operands too.  Don't strip away any
2491         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2492         Deal with src argument not having pointer type.  Check
2493         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2494         test.
2495         (build_over_call): Call maybe_warn_class_memaccess here on the
2496         original arguments.
2497         (build_cxx_call): Rather than here on converted arguments.
2499 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2501         PR c++/81055
2502         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2503         error_mark_node as second argument.
2505 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2507         PR c++/83734
2508         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2509         in STATEMENT_LIST.  Remove unneeded assert.
2511 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2512             Alan Hayward  <alan.hayward@arm.com>
2513             David Sherwood  <david.sherwood@arm.com>
2515         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2516         VECTOR_CST_NELTS.
2517         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2518         * call.c (build_conditional_expr_1): Likewise.
2519         * decl.c (cp_finish_decomp): Likewise.
2520         * mangle.c (write_type): Likewise.
2521         * typeck.c (structural_comptypes): Likewise.
2522         (cp_build_binary_op): Likewise.
2523         * typeck2.c (process_init_constructor_array): Likewise.
2525 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2527         PR c++/83555
2528         * typeck.c (build_static_cast_1): For static casts to reference types,
2529         call build_base_path with flag_delete_null_pointer_checks as nonnull
2530         instead of always false.  When -fsanitize=null, call
2531         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2532         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2533         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2535 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2537         PR c++/83667
2538         * method.c (make_alias_for): Copy DECL_CONTEXT.
2540 2018-01-03  Marek Polacek  <polacek@redhat.com>
2542         PR c++/83592
2543         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2545 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2547         PR preprocessor/83602
2548         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2549         for builtin macros.
2551         PR c++/83634
2552         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2553         error_mark_node, return error_mark_node.
2555         Update copyright years.
2557 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2559         PR c++/83556
2560         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2561         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2562         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2563         to false and return.
2564         (replace_placeholders): Pass NULL instead of &pset as last argument
2565         to cp_walk_tree.
2567 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2569         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2570         lval var.
2572 Copyright (C) 2018 Free Software Foundation, Inc.
2574 Copying and distribution of this file, with or without modification,
2575 are permitted in any medium without royalty provided the copyright
2576 notice and this notice are preserved.