re PR c++/85782 (acc loops with continue statements ICE in c++)
[official-gcc.git] / gcc / cp / ChangeLog
blobc526771f43f73c44b2cd92e88a24296fe748ac5c
1 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
3         PR c++/85782
4         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
5         OACC_LOOPs.
7 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
9         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
10         (potential_constant_expression_1): Likewise.
12 2018-05-16  Marek Polacek  <polacek@redhat.com>
14         PR c++/85363
15         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
16         * tree.c (bot_manip): Call set_flags_from_callee for
17         AGGR_INIT_EXPRs too.
19 2018-05-15  Jason Merrill  <jason@redhat.com>
21         * cp-tree.h (cp_expr): Remove copy constructor.
22         * mangle.c (struct releasing_vec): Declare copy constructor.
24         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
26         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
27         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
28         is a throw-expression.
30 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
32         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
33         (FOR_EACH_CLONE): Update.
34         * decl.c (grokdeclarator): Use it.
35         * decl2.c (vague_linkage_p): Likewise.
36         * mangle.c (mangle_decl): Likewise.
37         * method.c (lazily_declare_fn): Likewise.
38         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
39         * repo.c (repo_emit_p): Likewise.
40         * tree.c (decl_linkage): Likewise.
42 2018-05-14  Jason Merrill  <jason@redhat.com>
44         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
45         * tree.c (build_cp_fntype_variant): New.
46         (build_ref_qualified_type, build_exception_variant)
47         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
48         (cxx_type_hash_eq, cp_check_qualified_type): Check
49         TYPE_HAS_LATE_RETURN_TYPE.
50         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
51         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
52         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
53         (adjust_clone_args): Likewise.
54         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
55         build_cp_fntype_variant.
56         (grokdeclarator): Pass late_return_type_p to grokfndecl.
57         (check_function_type): Use cxx_copy_lang_qualifiers.
58         (static_fn_type): Use cxx_copy_lang_qualifiers.
59         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
60         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
61         (change_return_type): Use cxx_copy_lang_qualifiers.
62         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
63         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
64         return type on the declarator like a normal trailing return type.
65         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
66         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
67         * typeck.c (merge_types): Use build_cp_fntype_variant.
69 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
71         * cp-tree.h (TYPE_REF_P): New.
72         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
73         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
74         direct_reference_binding, reference_binding, implicit_conversion,
75         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
76         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
77         build_over_call, perform_implicit_conversion_flags,
78         extend_ref_init_temps, type_has_extended_temps): Use it.
79         * class.c (one_inheriting_sig, check_field_decls,
80         check_bases_and_members, find_flexarrays, finish_struct,
81         fixed_type_or_null): Likewise.
82         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
83         non_const_var_error, cxx_eval_constant_expression,
84         potential_constant_expression_1): Likewise.
85         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
86         cp_genericize_r, cxx_omp_privatize_by_reference,
87         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
88         cp_fold_maybe_rvalue): Likewise.
89         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
90         * cvt.c (build_up_reference, convert_to_reference,
91         convert_from_reference, convert_to_void, noexcept_conv_p,
92         fnptr_conv_p): Likewise.
93         * decl.c (poplevel, check_for_uninitialized_const_var,
94         check_initializer, initialize_local_var, cp_finish_decl,
95         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
96         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
97         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
98         decl_maybe_constant_var_p): Likewise.
99         * error.c (dump_type_prefix, dump_expr): Likewise.
100         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
101         is_admissible_throw_operand_or_catch_parameter): Likewise.
102         * expr.c (mark_use): Likewise.
103         * init.c (build_zero_init_1, build_value_init_noctor,
104         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
105         build_new, build_delete): Likewise.
106         * lambda.c (build_lambda_object): Likewise.
107         * mangle.c (write_expression, write_template_arg): Likewise.
108         * method.c (forward_parm, do_build_copy_constructor,
109         do_build_copy_assign, build_stub_object, constructible_expr,
110         walk_field_subobs): Likewise.
111         * parser.c (cp_parser_omp_for_loop_init,
112         cp_parser_omp_declare_reduction_exprs,
113         cp_parser_omp_declare_reduction): Likewise.
114         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
115         convert_template_argument, tsubst_pack_expansion,
116         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
117         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
118         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
119         value_dependent_expression_p, build_deduction_guide): Likewise.
120         * semantics.c (finish_handler_parms, finish_non_static_data_member,
121         finish_compound_literal, omp_privatize_field,
122         handle_omp_array_sections_1, handle_omp_array_sections,
123         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
124         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
125         finish_omp_clauses, finish_decltype_type, capture_decltype,
126         finish_builtin_launder): Likewise.
127         * tree.c (lvalue_kind, cp_build_reference_type, move,
128         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
129         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
130         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
131         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
132         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
133         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
134         convert_for_initialization,
135         maybe_warn_about_returning_address_of_local, check_return_expr,
136         cp_type_quals, casts_away_constness, non_reference): Likewise.
137         * typeck2.c (cxx_readonly_error, store_init_value,
138         process_init_constructor_record, build_x_arrow, build_functional_cast,
139         add_exception_specifier): Likewise.
141 2018-05-14  Jason Merrill  <jason@redhat.com>
143         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
144         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
146 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
148         PR c/85696
149         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
150         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
151         cxx_omp_predetermined_sharing_1.  Rename old function to ...
152         (cxx_omp_predetermined_sharing_1): ... this.
153         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
154         instead of cxx_omp_predetermined_sharing.
156 2018-05-10  Jason Merrill  <jason@redhat.com>
158         * decl.c (cp_finish_decl): Don't instantiate auto variable.
159         (check_static_variable_definition): Allow auto.
160         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
162         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
163         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
165         Core issue 2310 - conversion to base of incomplete type.
166         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
168         CWG 2267 - list-initialization of reference temporary
169         * call.c (reference_binding): List-initializing a reference
170         temporary is copy-list-initialization.
172         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
174         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
175         instantiation in template context.
177         * class.c (vbase_has_user_provided_move_assign): Use
178         user_provided_p.
180         * lambda.c (lambda_expr_this_capture): Improve logic.
182         * decl.c (make_typename_type): s/parameters/arguments/.
183         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
184         * pt.c (make_pack_expansion): Correct error message.
186 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
188         PR c++/85662
189         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
190         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
191         fold_convert.
193 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
195         PR c++/85400
196         * decl2.c (adjust_var_decl_tls_model): New static function.
197         (comdat_linkage): Call it on a variable.
198         (maybe_make_one_only): Likewise.
200 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
202         PR c++/85713
203         Revert:
204         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
206         PR c++/84588
207         * parser.c (cp_parser_parameter_declaration_list): When the
208         entire parameter-declaration-list is erroneous maybe call
209         abort_fully_implicit_template.
211 2018-05-08  Jason Merrill  <jason@redhat.com>
213         PR c++/85706 - class deduction under decltype
214         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
215         *walk_subtrees whether or not we walked into the operand.
216         (type_uses_auto): Only look at deduced contexts.
218 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
220         PR c++/84588
221         * parser.c (cp_parser_parameter_declaration_list): When the
222         entire parameter-declaration-list is erroneous maybe call
223         abort_fully_implicit_template.
225 2018-05-08  Marek Polacek  <polacek@redhat.com>
227         PR c++/85695
228         * semantics.c (finish_if_stmt_cond): See through typedefs.
230 2018-05-07  Jason Merrill  <jason@redhat.com>
232         PR c++/85646 - lambda visibility.
233         * decl2.c (determine_visibility): Don't mess with template arguments
234         from the containing scope.
235         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
236         thunk.
238 2018-05-07  Nathan Sidwell  <nathan@acm.org>
240         Remove fno-for-scope
241         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
242         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
243         (SET_DECL_SHADOWED_FOR_VAR): Delete.
244         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
245         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
246         Don't declare.
247         * name-lookup.h (struct cp_binding_level): Remove
248         dead_vars_from_for field.
249         * cp-lang.c (cp_init_ts): Delete.
250         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
251         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
252         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
253         (init_shadowed_var_for_decl): Delete.
254         * decl.c (poplevel): Remove shadowed for var handling.
255         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
256         * name-lookup.c (find_local_binding): Remove shadowed for var
257         handling.
258         (check_local_shadow): Likewise.
259         (check_for_out_of_scope_variable): Delete.
260         * parser.c (cp_parser_primary_expression): Remove shadowed for var
261         handling.
262         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
263         * semantics.c (begin_for_scope): Always have a scope.
264         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
265         (begin_range_for_stmt, finish_id_expression): Likewise.
267 2018-05-07  Jason Merrill  <jason@redhat.com>
269         PR c++/85618 - ICE with initialized VLA.
270         * tree.c (vla_type_p): New.
271         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
272         rather than array_of_runtime_bound_p.
274 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
276         * cvt.c (ocp_convert): Early handle the special case of a
277         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
279 2018-05-03  Jason Merrill  <jason@redhat.com>
281         PR c++/85600 - virtual delete failure.
282         * init.c (build_delete): Always save_expr when deleting.
284 2018-05-03  Nathan Sidwell  <nathan@acm.org>
286         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
287         * name-lookup.c (do_pushdecl): Likewise.
289 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
290             Jason Merrill  <jason@redhat.com>
292         PR c++/68374
293         * name-lookup.c (check_local_shadow): Don't handle static old
294         declarations in the block handling locals shadowing locals.
296 2018-05-01  Jason Merrill  <jason@redhat.com>
298         PR c++/85587 - error with scoped enum in template.
299         * semantics.c (finish_qualified_id_expr): Don't return an
300         unqualified IDENTIFIER_NODE.
302 2018-04-30  Jason Merrill  <jason@redhat.com>
304         PR c++/85580 - extern "C" and local variables
305         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
307         PR c++/84701 - unsigned typeof.
308         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
309         of long/short/signed/unsigned.
311         PR c++/85305 - pack in lambda init-capture.
312         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
313         check_for_bare_parameter_packs in a subexpression.
314         (cp_parser_lambda_introducer): Use it.
316         PR c++/61982 - dead stores to destroyed objects.
317         * call.c (build_trivial_dtor_call): New, assigns a clobber.
318         (build_over_call, build_special_member_call): Use it.
319         * cp-tree.h: Declare it.
320         * init.c (build_delete): Remove trivial path.
322         * init.c (build_dtor_call): Use build_special_member_call.
323         (build_delete): Remove redundant uses of save_addr.
325         * decl.c (build_clobber_this): Use build_clobber.
327 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
329         PR c++/85553
330         * init.c (build_zero_init_1): For zero initialization of
331         NULLPTR_TYPE_P type use build_int_cst directly.
333 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
335         PR c++/85515
336         * name-lookup.c (consider_binding_level): Skip compiler-generated
337         variables.
338         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
339         nested if statements into a series of rejection tests.  Reject
340         lambda-ignored entities as suggestions.
342 2018-04-27  Jason Merrill  <jason@redhat.com>
344         * cvt.c (cp_fold_convert): Use convert_ptrmem.
345         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
347 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
349         PR c++/84691
350         * decl.c (grokdeclarator): Clear friendp upon definition in local
351         class definition error.
353 2018-04-27  Jason Merrill  <jason@redhat.com>
355         PR c++/85545 - ICE with noexcept PMF conversion.
356         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
357         build_ptrmemfunc.
358         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
359         adjustment.
360         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
362 2018-04-27  Nathan Sidwell  <nathan@acm.org>
364         * typeck.c (convert_ptrmem): Move local var decls to initialization.
366         * cp-tree.h (TEMPLATE_INFO): Fix comments.
367         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
368         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
369         (dump, print_other_binding_stacks): Remove declarations.
370         * name-lookup.c (print_other_binding_stack): Make static.
371         * pt.c (build_template_decl): Make static.
373 2018-04-26  Jason Merrill  <jason@redhat.com>
375         PR c++/85545 - ICE with noexcept PMF conversion.
376         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
378 2018-04-25  Nathan Sidwell  <nathan@acm.org>
380         PR c++/85437
381         PR c++/49171
382         * cp-tree.h (REINTERPRET_CAST_P): New.
383         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
384         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
385         for non-trivial PTRMEM_CST cases.
386         * typeck.c (build_nop_reinterpret): New.
387         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
388         NOP_EXPRs returned by cp_convert.
390 2018-04-23  Jason Merrill  <jason@redhat.com>
392         PR c++/69560 - wrong alignof(double) on x86.
393         CWG 1879 - Inadequate definition of alignment requirement.
394         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
395         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
396         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
397         (cxx_alignof_expr): Pass it.
398         * parser.c (cp_parser_unary_expression): Pass it.
399         * pt.c (tsubst_copy): Copy it.
400         (tsubst_copy_and_build): Pass it.
401         * decl.c (fold_sizeof_expr): Pass it.
403 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
404             Jason Merrill  <jason@redhat.com>
406         PR c++/85470 - wrong error with static data member.
407         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
408         * typeck2.c (store_init_value): Likewise.
410 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
412         PR c++/85462
413         * cp-tree.h (tinst_level): Remove in_system_header_p member,
414         change refcount member from unsigned char to unsigned short,
415         add refcount_infinity static data member, adjust comments.
416         * pt.c (tinst_level::refcount_infinity): Define.
417         (inc_refcount_use): Remove assert, don't increment if refcount
418         is already refcount_infinity, adjust comment.
419         (dec_refcount_use): Remove assert, don't decrement if refcount
420         is refcount_infinity, adjust comment.
421         (push_tinst_level_loc): Formatting fix.
423 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
425         PR c++/84611
426         * pt.c (lookup_template_class_1): Check pushtag return value for
427         error_mark_node.
429 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
431         PR c++/80290
432         * cp-tree.h (tinst_level::free): Fix whitespace.
434 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
436         PR c++/84630
437         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
438         for error_mark_node.
440 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
442         PR c++/84463
443         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
444         tricks from here to ...
445         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
446         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
448 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
450         PR c++/80290
451         * cp-tree.h (struct tinst_level): Split decl into tldcl and
452         targs.  Add private split_list_p, tree_list_p, and not_list_p
453         inline const predicates; to_list private member function
454         declaration; free public member function declaration; list_p,
455         get_node and maybe_get_node accessors, and refcount data
456         member.  Narrow errors to unsigned short.
457         * error.c (print_instantiation_full_context): Use new
458         accessors.
459         (print_instantiation_partial_context_line): Likewise.  Drop
460         const from tinst_level-typed parameter.
461         * mangle.c (mangle_decl_string): Likewise.
462         * pt.c (freelist): New template class.
463         (tree_list_freelist_head): New var.
464         (tree_list_freelist): New fn, along with specializations.
465         (tinst_level_freelist_head): New var.
466         (pending_template_freelist_head): Likewise.
467         (tinst_level_freelist, pending_template_freelist): New fns.
468         (tinst_level::to_list, tinst_level::free): Define.
469         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
470         (set_refcount_ptr): New template fn.
471         (add_pending_template): Adjust for refcounting, freelists and
472         new accessors.
473         (neglectable_inst_p): Take a NULL d as a non-DECL.
474         (limit_bad_template_recursion): Use new accessors.
475         (push_tinst_level): New overload to create the list.
476         (push_tinst_level_loc): Make it static, split decl into two
477         args, adjust tests and initialization to cope with split
478         lists, use freelist, adjust for refcounting.
479         (push_tinst_level_loc): New wrapper with the old interface.
480         (pop_tinst_level): Adjust for refcounting.
481         (record_last_problematic_instantiation): Likewise.
482         (reopen_tinst_level): Likewise.  Use new accessors.
483         (instantiate_alias_template): Adjust for split list.
484         (fn_type_unification): Likewise.
485         (get_partial_spec_bindings): Likewise.
486         (instantiate_pending_templates): Use new accessors.  Adjust
487         for refcount.  Release pending_template to freelist.
488         (instantiating_current_function_p): Use new accessors.
490 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
492         PR c++/85039
493         * parser.c (cp_parser_builtin_offset): Reject type definitions.
494         * mangle.c (nested_anon_class_index): Avoid crash returning -1
495         if we've seen errors.
497 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
499         PR c++/85385
500         * name-lookup.c (macro_use_before_def::maybe_make): New function,
501         checking that the use is indeed before the definition.
502         (macro_use_before_def::macro_use_before_def): Make private.
503         (macro_use_before_def::~macro_use_before_def): Make private.  Move
504         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
505         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
506         than using new directly.
508 2018-04-12  Jason Merrill  <jason@redhat.com>
510         PR c++/85356 - ICE with pointer to member function.
511         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
512         flag_noexcept_type.  Build the new spec within the function context.
513         * except.c (build_noexcept_spec): Do get constant value in templates
514         if flag_noexcept_type.
515         * decl.c (check_redeclaration_exception_specification): Don't
516         instantiate noexcept on a dependent declaration.
518 2018-04-12  Marek Polacek  <polacek@redhat.com>
520         PR c++/85258
521         * constexpr.c (reduced_constant_expression_p): Return false for null
522         trees.
524 2018-04-11  Marek Polacek  <polacek@redhat.com>
526         PR c++/85032
527         * constexpr.c (potential_constant_expression_1): Consider conversions
528         from classes to literal types potentially constant.
530 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
532         PR c++/70808
533         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
534         the type like TYPE_PTR_OR_PTRMEM_P.
536 2018-04-10  Jason Merrill  <jason@redhat.com>
538         PR debug/65821 - wrong location for main().
539         * call.c (clear_location_r, convert_default_arg): Revert.
540         * tree.c (break_out_target_exprs): Add clear_location parm.
541         (struct bot_data): New.
542         (bot_manip): Clear location if requested.
543         * init.c (get_nsdmi): Pass clear_location.
545 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
547         PR c++/85110
548         * call.c (get_fndecl_argument_location): Make non-static.
549         * cp-tree.h (get_fndecl_argument_location): New decl.
550         * typeck.c (convert_for_assignment): When complaining due to
551         conversions for an argument, show the location of the parameter
552         within the decl.
554 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
556         PR c++/85312 - P0962 cleanup
557         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
558         diagnostics.
560 2018-04-10  Jason Merrill  <jason@redhat.com>
562         PR debug/65821 - wrong location for main().
563         * call.c (clear_location_r): New.
564         (convert_default_arg): Use it.
565         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
567         PR c++/85285 - ICE with flexible array after substitution.
568         * pt.c (instantiate_class_template_1): Check for flexible array in
569         union.
571 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
573         PR c++/85227
574         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
575         issue a pedwarn and defer trying to do bindings.
577 2018-04-09  Jason Merrill  <jason@redhat.com>
579         PR c++/85279 - dump_expr doesn't understand decltype.
580         * error.c (dump_expr): Handle DECLTYPE_TYPE.
582         PR c++/85262 - ICE with redundant qualification on constructor.
583         * call.c (build_new_method_call_1): Move make_args_non_dependent
584         after A::A() handling.
586         PR c++/85277 - ICE with invalid offsetof.
587         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
588         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
590         PR c++/85264 - ICE with excess template-parameter-list.
591         * parser.c (cp_parser_check_template_parameters): Add template_id_p
592         parameter.  Don't allow an extra template header if true.
593         (cp_parser_class_head): Pass template_id_p.
594         (cp_parser_elaborated_type_specifier): Likewise.
595         (cp_parser_alias_declaration): Likewise.
596         (cp_parser_check_declarator_template_parameters): Likewise.
598 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
600         PR c++/85194
601         * parser.c (cp_parser_simple_declaration): For structured bindings,
602         if *maybe_range_for_decl is NULL after parsing it, set it to
603         error_mark_node.
605 2018-04-09  Jason Merrill  <jason@redhat.com>
607         PR c++/85256 - ICE capturing pointer to VLA.
608         * lambda.c (add_capture): Distinguish between variable-size and
609         variably-modified types.
611 2018-04-06  Jason Merrill  <jason@redhat.com>
613         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
614         * pt.c (extract_locals_r): Remember local typedefs.
616 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
618         PR c++/84269
619         * name-lookup.c (struct std_name_hint): Move out of
620         get_std_name_hint; add field "min_dialect".
621         (get_std_name_hint): Add min_dialect values to all initializers.
622         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
623         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
624         <shared_mutex>, <string_view>, <thread>, and <variant>.
625         Add fstream, ifstream, and ofstream to <fstream>.
626         Add istringstream, ostringstream, and stringstream to <sstream>.
627         Add basic_string to <string>.
628         Add tuple_element and tuple_size to <tuple>.
629         Add declval to <utility>.
630         Fix ordering of <queue> and <tuple>.
631         Return a std_name_hint, rather than a const char *.
632         (get_cxx_dialect_name): New function.
633         (maybe_suggest_missing_std_header): Detect names that aren't yet
634         available in the current dialect, and instead of suggesting a
635         missing #include, warn about the dialect.
637 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
639         PR c++/85210
640         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
641         errorcount is set if tsubst doesn't return a VAR_DECL.
643 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
645         PR c++/85021
646         * name-lookup.c (using_directives_contain_std_p): New function.
647         (has_using_namespace_std_directive_p): New function.
648         (suggest_alternatives_for): Simplify if/else logic using early
649         returns.  If no candidates were found, and there's a
650         "using namespace std;" directive, call
651         maybe_suggest_missing_std_header.
652         (maybe_suggest_missing_header): Split later part of the function
653         into..
654         (maybe_suggest_missing_std_header): New.
656 2018-04-06  Jason Merrill  <jason@redhat.com>
658         PR c++/85242 - ICE with class definition in template parm.
659         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
660         processing_template_parmlist.
662         PR c++/85240 - LTO ICE with using of undeduced auto fn.
663         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
665 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
667         PR c++/85209
668         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
669         is not prev, if prev == decl.
671         PR c++/85208
672         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
673         maybe_apply_pragma_weak here...
674         (cp_maybe_mangle_decomp): ... but call it here instead.
676 2018-04-05  Jason Merrill  <jason@redhat.com>
678         PR c++/85136 - ICE with designated init in template.
679         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
680         designated initializer.
681         (check_array_designated_initializer): Update ce->index with the
682         constant value.
684         PR c++/83808 - ICE with VLA initialization.
685         * typeck2.c (process_init_constructor_array): Don't require a VLA
686         initializer to have VLA type.
688 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
690         PR c++/80956
691         * call.c (convert_like_real): Fail gracefully for a broken
692         std::initializer_list, missing a definition.
694         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
696 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
698         PR c++/84792
699         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
700         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
702 2018-04-05  Jason Merrill  <jason@redhat.com>
704         PR c++/82152 - ICE with class deduction and inherited ctor.
705         * pt.c (do_class_deduction): Ignore inherited ctors.
707         PR c++/84665 - ICE with array of empty class.
708         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
710         PR c++/85228 - ICE with lambda in enumerator in template.
711         * pt.c (bt_instantiate_type_proc): Don't assume
712         CLASSTYPE_TEMPLATE_INFO is non-null.
714 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
716         Implement P0969
717         * decl.c (find_decomp_class_base): Check accessibility instead
718         of declared access, adjust diagnostic.
720 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
722         Implement P0961
723         * decl.c (get_tuple_decomp_init): Check the templatedness
724         of a member get.
726 2018-04-05  Jason Merrill  <jason@redhat.com>
728         PR c++/85200 - ICE with constexpr if in generic lambda.
729         * pt.c (extract_locals_r): Don't record the local specs of variables
730         declared within the pattern.
732 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
734         PR c++/84979
735         * pt.c (check_auto_in_tmpl_args): New.
736         (tsubst_qualified_id): Use it to reject template args
737         referencing auto for non-type templates.
738         * parser.c (cp_parser_template_id): Likewise.
739         * cp-tree.h (check_auto_in_tmpl_args): Declare.
740         * typeck2.c (build_functional_cast): Report correct location
741         for invalid use of auto.
743 2018-04-04  Jason Merrill  <jason@redhat.com>
745         PR c++/85215 - ICE with copy-init from conversion.
746         * call.c (merge_conversion_sequences): Fix type of direct binding
747         sequence.
749         PR c++/84938 - ICE with division by ~-1.
750         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
752         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
753         * parser.c (cp_parser_mem_initializer_list): Call
754         check_for_bare_parameter_packs.
756 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
758         PR inline-asm/85172
759         * constexpr.c (cxx_eval_builtin_function_call): For calls to
760         builtin_valid_in_constant_expr_p functions, don't call
761         cxx_eval_constant_expression if argument is not
762         potential_constant_expression.
764         PR c++/85146
765         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
766         argument.
767         * semantics.c (calculate_bases): Add complain argument.  Use
768         complete_type_or_maybe_complain instead of just complete_type and
769         return an empty vector if it fails.  Move make_tree_vector () call
770         after early return.  Formatting fixes.
771         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
772         end.
773         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
774         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
775         calculate_direct_bases callers, formatting fixes.
777 2018-04-04  Jason Merrill  <jason@redhat.com>
779         PR c++/85006 - -fconcepts ICE with A<auto...> return type
780         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
782         PR c++/85200 - ICE with constexpr if in generic lambda.
783         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
785         PR c++/84221 - bogus -Wunused with attribute and template.
786         * decl2.c (is_late_template_attribute): Handle unused and used
787         normally on non-TYPE_DECL.
789         PR c++/85135 - ICE with omitted template arguments.
790         * decl.c (grokdeclarator): Catch deduced class type in trailing
791         return type.
793         PR c++/85133 - ICE with missing concept initializer.
794         * decl.c (cp_finish_decl): If a concept initializer is missing, use
795         true.
797         PR c++/85118 - wrong error with generic lambda and std::bind.
798         * call.c (add_template_conv_candidate): Disable if there are any
799         call operators.
801         PR c++/85141 - ICE with compound assignment and static member fn.
802         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
803         compound assignment.
805         PR c++/85148 - ICE with 'this' in array NSDMI.
806         * tree.c (replace_placeholders_r): Use handled_component_p.
808 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
810         PR c++/65923
811         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
812         * parser.c (cp_parser_unqualified_id): ..not here.
814 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
816         PR c++/84943
817         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
818         used.
819         * decl2.c (mark_used): Return without effects if tf_conv.
821 2018-04-03  Jason Merrill  <jason@redhat.com>
823         PR c++/85092 - C++17 ICE with unused list constructor.
824         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
825         from a TARGET_EXPR.
827         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
828         * constexpr.c (cxx_eval_builtin_function_call): Only defer
829         __builtin_constant_p if ctx->quiet.
831 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
833         PR c++/84768
834         * pt.c (rewrite_template_parm): If the first argument is
835         error_mark_node return it immediately.
836         (build_deduction_guide): Check the return value of the
837         latter for error_mark_node.
838         (do_class_deduction): Check the return value of the latter.
840 2018-04-03  Jason Merrill  <jason@redhat.com>
842         * semantics.c (finish_if_stmt_cond): Use
843         instantiation_dependent_expression_p.
845         PR c++/85149 - generic lambda and constexpr if.
846         * pt.c (build_extra_args, add_extra_args): Split from
847         tsubst_pack_expansion.
848         (tsubst_expr) [IF_STMT]: Use them.
849         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
851         * typeck.c (merge_types): Limit matching attribute shortcut to
852         the default case.
854 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
856         PR c++/85147
857         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
859         PR c++/85140
860         * name-lookup.c (handle_namespace_attrs): Return early if attributes
861         is error_mark_node.
863         PR c++/85134
864         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
865         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
866         instead for static data members clear init and set DECL_EXTERNAL.
868 2018-04-02  Jason Merrill  <jason@redhat.com>
870         PR c++/64095 - auto... parameter pack.
871         * parser.c (cp_parser_parameter_declaration): Handle turning autos
872         into packs here.
873         (cp_parser_parameter_declaration_list): Not here.
875 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
877         PR c++/85027
878         * class.c (instantiate_type): Peel off SAVE_EXPR before
879         BASELINK.
881 2018-03-30  Jason Merrill  <jason@redhat.com>
883         * typeck2.c (process_init_constructor_record): Use
884         init_list_type_node for the CONSTRUCTOR around an anonymous union
885         designated initializer.
887 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
889         PR c++/84791
890         * semantics.c (finish_omp_reduction_clause): If
891         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
892         even if processing_template_decl.
894 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
896         PR c++/84269
897         * name-lookup.c (get_std_name_hint): Add names from <memory>,
898         <tuple>, and <utility>.
900 2018-03-29  Jason Merrill  <jason@redhat.com>
902         PR c++/85093 - too many template args with pack expansion.
903         * pt.c (coerce_template_parms): Keep pack expansion args that will
904         need to be empty.
906 2018-03-29  Jason Merrill  <jason@redhat.com>
908         * pt.c (build_non_dependent_expr): Propagate expr location.
910 2018-03-27  Jason Merrill  <jason@redhat.com>
912         PR c++/85060 - wrong-code with call to base member in template.
913         * search.c (any_dependent_bases_p): Check uses_template_parms
914         rather than processing_template_decl.
916 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
918         PR c++/85110
919         * typeck.c (convert_for_assignment): When complaining due to
920         conversions for an argument, attempt to use the location of the
921         argument.
923 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
925         PR c++/85028
926         * pt.c (tsubst_default_argument): Early return if the type of the
927         parameter is erroneous.
929 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
931         PR c++/84973
932         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
933         templates.
935         PR c++/84968
936         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
938 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
940         PR c++/85067
941         * method.c (defaulted_late_check): Partially revert r253321 changes,
942         do not early return upon error.
944 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
946         PR c++/85077
947         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
948         type call fold to generate VECTOR_CSTs when possible.
950         PR c++/85076
951         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
952         return it right away.
954 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
956         * search.c (check_final_overrider): Use inform instead of error
957         for the diagnostics of the overridden functions.  Tweak wording.
959 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
961         PR c++/85068
962         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
963         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
965 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
966             Jason Merrill  <jason@redhat.com>
968         PR c++/84632
969         * init.c (build_aggr_init): When initializing from array,
970         reject anything but CONSTRUCTORs and TARGET_EXPRs.
971         (build_vec_init): Handle separately ARRAY_TYPEs.
973 2018-03-26  Jason Merrill  <jason@redhat.com>
975         PR c++/85062 - ICE with alignas in wrong place.
976         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
977         here.
979         PR c++/85049 - ICE with __integer_pack.
980         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
981         * cp-tree.h (TEMPLATE_PARM_P): New.
983 2018-03-23  Jason Merrill  <jason@redhat.com>
985         PR c++/78489 - wrong SFINAE behavior.
987         PR c++/84489
988         * pt.c (type_unification_real): Don't defer substitution failure.
990 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
992         PR c++/85015
993         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
994         result.
996         PR c++/84942
997         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
998         cp_build_unary_op call with gcc_unreachable ().
1000 2018-03-23  Marek Polacek  <polacek@redhat.com>
1002         PR c++/85045
1003         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1004         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1005         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1007 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1009         Implement P0962
1010         * parser.c (cp_parser_perform_range_for_lookup): Change
1011         the condition for deciding whether to use members.
1013 2018-03-23  Marek Polacek  <polacek@redhat.com>
1015         PR c++/85033
1016         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1018 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1020         PR c++/71251
1021         * parser.c (cp_parser_alias_declaration): Call
1022         parser_check_template_parameters.
1024         PR c++/84789
1025         * pt.c (resolve_typename_type): Drop assert that stopped
1026         simplification to template-independent types.  Add assert to
1027         verify the initial scope is template dependent.
1028         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1029         Reparse the id expression as a type-name, not a declarator.
1031         PR c++/84729
1032         * init.c (build_vec_init): Error at parenthesized array init.
1034         PR c++/84610
1035         PR c++/84642
1036         PR c++/84942
1037         * cp-tree.h (temp_override): New template class, generalizing
1038         a cleanup that was only used...
1039         * parser.c (cp_parser_parameter_declaration_clause):
1040         ... here for auto_is_implicit_function_template_parm_p.
1041         (cp_parser_gnu_attributes_opt): Use it here as well.
1042         (cp_parser_std_attribute): Likewise.
1044 2018-03-22  Marek Polacek  <polacek@redhat.com>
1046         PR c++/84854
1047         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1048         is boolean.
1050 2018-03-21  Jason Merrill  <jason@redhat.com>
1052         PR c++/81311 - wrong C++17 overload resolution.
1053         * call.c (build_user_type_conversion_1): Remove C++17 code.
1054         (conv_binds_ref_to_prvalue): New.
1055         (build_over_call): Handle C++17 copy elision.
1056         (build_special_member_call): Only do C++17 copy elision here if the
1057         argument is already the right type.
1059 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1061         PR c++/71965
1062         * init.c (build_vec_init): Silence error, former sorry,
1063         without tf_error.
1065         PR c++/84610
1066         PR c++/84642
1067         * parser.c (abort_fully_implicit_template_p): New.
1068         (cp_parser_skip_to_end_of_statement): Use it.
1069         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1070         (finish_fully_implicit_template_p): Clear
1071         implicit_template_parms and implicit_template_scope.
1073 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1075         PR c++/84972
1076         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1077         error_mark_node when check_array_designated_initializer fails.
1079 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1081         PR c++/84961
1082         * cp-tree.h (genericize_compound_lvalue): Declare.
1083         * typeck.c (genericize_compound_lvalue): New function.
1084         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1085         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1086         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1087         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1088         COMPOUND_EXPR operand.
1090 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1092         PR c++/85008
1093         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1094         * decl2.c (vague_linkage_p): Likewise.
1096 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1098         PR c++/84994
1099         * constexpr.c (constexpr_fn_retval): Make non-"static".
1100         * cp-tree.h (constexpr_fn_retval): New decl.
1101         * search.c (direct_accessor_p): Update leading comment.
1102         (reference_accessor_p): Likewise.
1103         (field_accessor_p): Replace check that function body is a
1104         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1105         indentation of "field_type" decl.
1107 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1109         PR c++/84804
1110         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1111         complete classes.
1113 2018-03-21  Martin Sebor  <msebor@redhat.com>
1115         PR c++/84850
1116         * call.c (first_non_public_field): New template and function.
1117         (first_non_trivial_field): New function.
1118         (maybe_warn_class_memaccess): Call them.
1120 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1122         PR c++/84892
1123         * search.c (field_accessor_p): Use class_of_this_parm rather than
1124         type_of_this_parm, to check that "this" is a "const T *", rather
1125         than a "T *const".
1127 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1129         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1130         other than public non-static data members.
1131         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1132         parenthesized initializer.
1134         PR c++/84836
1135         * name-lookup.c (update_binding): Correct logic for local binding
1136         update.
1138 2018-03-21  Marek Polacek  <polacek@redhat.com>
1140         PR c++/71638, ICE with NSDMI and reference.
1141         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1142         even when we replace an element.
1144 2018-03-20  Marek Polacek  <polacek@redhat.com>
1146         PR c++/84978, ICE with NRVO.
1147         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1148         a RESULT_DECL isn't in the hash map.
1150 2018-03-20  Jason Merrill  <jason@redhat.com>
1152         PR c++/84978, ICE with NRVO.
1153         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1154         (cp_get_callee_fndecl_nofold): New.
1155         * cp-gimplify.c (cp_genericize_r): Use it instead.
1156         * call.c (check_self_delegation): Likewise.
1158 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1160         PR c++/84962
1161         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1162         member_vec, if there is one.
1164         PR c++/84970
1165         * cp-tree.h (lookup_list_keep): Declare.
1166         * tree.c (lookup_list_keep): New, broken out of ...
1167         (build_min): ... here.  Call it.
1168         * decl.c (cp_finish_decl): Call lookup_list_keep.
1170 2018-03-19  Jason Merrill  <jason@redhat.com>
1172         PR c++/84937 - ICE with class deduction and auto.
1173         * pt.c (rewrite_template_parm): Fix auto handling.
1175 2018-03-19  Marek Polacek  <polacek@redhat.com>
1177         PR c++/84925
1178         * pt.c (enclosing_instantiation_of): Check if fn is null.
1180         PR c++/84927
1181         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1182         as we evaluate the elements.
1183         (cxx_eval_constant_expression): Verify constructor's flags
1184         unconditionally.
1186 2018-03-19  Jason Merrill  <jason@redhat.com>
1188         PR c++/71834 - template-id with too few arguments.
1189         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1191 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1193         PR c++/84835
1194         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1195         * pt.c (build_template_decl): Propagate language linkage.
1197         PR c++/84812
1198         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1199         ambiguous lookups.
1201 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1203         PR c/84910
1204         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1205         diagnostics.
1206         * method.c (synthesize_method): Likewise.
1207         * pt.c (convert_nontype_argument): Likewise.
1209 2018-03-16  Jason Merrill  <jason@redhat.com>
1211         PR c++/84720 - ICE with rvalue ref non-type argument.
1212         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1213         (convert_nontype_argument): Revert earlier change.
1215         PR c++/80227 - SFINAE and negative array size.
1216         * decl.c (compute_array_index_type): Use
1217         build_converted_constant_expr and valid_constant_size_p.
1219         PR c++/84906 - silent wrong code with ambiguous conversion.
1220         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1221         ambiguous conversion.
1222         (convert_like_real): Check it.
1224         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1225         * call.c (build_special_member_call): Don't convert an init-list
1226         argument directly to the class type.
1228 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1230         PR c++/79937
1231         PR c++/82410
1232         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1233         (find_placeholder): Declare.
1234         * tree.c (struct replace_placeholders_t): Add exp member.
1235         (replace_placeholders_r): Don't walk into ctors with
1236         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1237         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1238         (replace_placeholders): Initialize data.exp.
1239         (find_placeholders_r, find_placeholders): New functions.
1240         * typeck2.c (process_init_constructor_record,
1241         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1242         if adding NSDMI on which find_placeholder returns true.
1243         * call.c (build_over_call): Don't call replace_placeholders here.
1244         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1245         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1246         TARGET_EXPR_INITIAL.
1247         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1248         ctor.
1250 2018-03-16  Jason Merrill  <jason@redhat.com>
1252         PR c++/83911 - ICE with multiversioned constructor.
1253         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1254         dispatchere here.
1255         * call.c (build_over_call): Not here.
1257 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1259         PR c++/84874
1260         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1261         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1263 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1265         PR c++/84222
1266         * cp-tree.h (cp_warn_deprecated_use): Declare.
1267         * tree.c (cp_warn_deprecated_use): New function.
1268         * typeck2.c (build_functional_cast): Use it.
1269         * decl.c (grokparms): Likewise.
1270         (grokdeclarator): Likewise.  Temporarily push nested class scope
1271         around grokparms call for out of class member definitions.
1273 2018-03-14  Jason Merrill  <jason@redhat.com>
1275         PR c++/84820 - no error for invalid qualified-id.
1276         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1277         cp_error_declarator.
1279         PR c++/84801 - ICE with unexpanded pack in lambda.
1280         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1281         lambda in non-template context.
1283         PR c++/81236 - auto variable and auto function
1284         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1285         mark_used.
1287 2018-03-14  Jason Merrill  <jason@redhat.com>
1289         PR c++/83916 - ICE with template template parameters.
1290         * pt.c (convert_template_argument): Don't substitute into type of
1291         non-type parameter if we don't have enough arg levels.
1292         (unify): Likewise.
1294 2018-03-14  Marek Polacek  <polacek@redhat.com>
1296         PR c++/84596
1297         * semantics.c (finish_static_assert): Check
1298         instantiation_dependent_expression_p instead of
1299         {type,value}_dependent_expression_p.
1301 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1302             Jason Merrill  <jason@redhat.com>
1304         PR c++/82336 - link error with list-init default argument.
1305         * decl.c (check_default_argument): Unshare an initializer list.
1307 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1309         PR c++/84843
1310         * decl.c (duplicate_decls): For redefinition of built-in, use error
1311         and return error_mark_node.  For redeclaration, return error_mark_node
1312         rather than olddecl if !flag_permissive.
1314 2018-03-13  Jason Merrill  <jason@redhat.com>
1316         PR c++/82565 - ICE with concepts and generic lambda.
1317         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1319 2018-03-13  Jason Merrill  <jason@redhat.com>
1321         PR c++/84720 - ICE with rvalue ref non-type argument.
1322         * pt.c (convert_nontype_argument): Handle rvalue references.
1324         PR c++/84839 - ICE with decltype of parameter pack.
1325         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1326         instantiating dummy parms.
1328         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1329         parameter even without -Wpedantic.
1331         PR c++/84798 - ICE with auto in abstract function declarator.
1332         * parser.c (cp_parser_parameter_declaration_clause): Check
1333         parser->default_arg_ok_p.
1335 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1337         PR c++/84808
1338         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1339         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1340         sizetype.  Formatting fixes.
1342 2018-03-12  Jason Merrill  <jason@redhat.com>
1344         PR c++/84355 - ICE with deduction for member class template.
1345         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1346         CLASS_PLACEHOLDER_TEMPLATE.
1348         PR c++/84802 - ICE capturing uninstantiated class.
1349         * lambda.c (build_capture_proxy): Call complete_type.
1351 2018-03-09  Jason Merrill  <jason@redhat.com>
1353         PR c++/84770 - ICE with typedef and parameter pack.
1354         * pt.c (verify_unstripped_args_1): Split out from
1355         verify_unstripped_args.
1357         PR c++/84785 - ICE with alias template and default targs.
1358         * pt.c (type_unification_real): Set processing_template_decl if
1359         saw_undeduced == 1.
1361         PR c++/84752 - ICE with capture of constexpr array.
1362         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1363         identity conversion under ck_lvalue.
1365 2018-03-09  Jason Merrill  <jason@redhat.com>
1366             Paolo Carlini  <paolo.carlini@oracle.com>
1368         PR c++/71169
1369         PR c++/71832
1370         * pt.c (any_erroneous_template_args_p): New.
1371         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1372         * parser.c (cp_parser_class_specifier_1): Use it.
1374 2018-03-09  Jason Merrill  <jason@redhat.com>
1376         PR c++/84726 - unnecessary capture of constant vars.
1377         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1378         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1379         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1380         * lambda.c (is_constant_capture_proxy)
1381         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1382         (prune_lambda_captures): New.
1383         (finish_lambda_function): Call prune_lambda_captures.
1385 2018-03-09  Jason Merrill  <jason@redhat.com>
1386             Jakub Jelinek  <jakub@redhat.com>
1388         PR c++/84076
1389         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1390         build ADDR_EXPR with REFERENCE_TYPE.
1391         (build_over_call): For purposes of check_function_arguments, if
1392         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1393         its operand rather than the argument itself.
1395 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1397         PR c++/84724
1398         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1399         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1400         also a note and return olddecl.
1402 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1404         PR c++/84733
1405         * name-lookup.c (do_pushdecl_with_scope): Only clear
1406         current_function_decl when pushing a non-class (i.e. namespace)
1407         scope.
1409 2018-03-08  Jason Merrill  <jason@redhat.com>
1410             Jakub Jelinek  <jakub@redhat.com>
1412         PR c++/80598
1413         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1414         not calling mark_used for the benefit of -Wunused-function warning.
1416 2018-03-06  Jason Merrill  <jason@redhat.com>
1418         * lambda.c (is_capture_proxy_with_ref): Remove.
1419         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1421 2018-03-06  Marek Polacek  <polacek@redhat.com>
1423         PR c++/84684
1424         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1425         arguments.
1427 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1429         PR c++/84231
1430         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1431         only while processing template decls.
1432         * typeck.c (build_x_conditional_expr): Move wrapping of
1433         reference type around type...
1434         * call.c (build_conditional_expr_1): ... here.  Rename
1435         is_lvalue to is_glvalue.
1436         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1437         INDIRECT_REF of COND_EXPR too.
1439         PR c++/84593
1440         * init.c (build_zero_init_1): Zero-initialize references.
1442         PR c++/84492
1443         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1444         overloads used as stmt expr values.
1446 2018-03-05  Jason Merrill  <jason@redhat.com>
1448         PR c++/84708 - ICE with lambda in local class NSDMI.
1449         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1450         context.
1452 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1454         PR c++/84684
1455         * constexpr.c (constexpr_call_hasher::equal): Return false if
1456         lhs->hash != rhs->hash.  Change return 1 to return true and
1457         return 0 to return false.
1459 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1461         PR c++/84702
1462         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1464 2018-03-05  Marek Polacek  <polacek@redhat.com>
1466         PR c++/84707
1467         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1468         UDLIT_OPER_P.
1470 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1472         PR c++/84694
1473         * friend.c (do_friend): Restore check for identifier_p inside
1474         TEMPLATE_ID_EXPR.
1476 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1478         PR c++/84618
1479         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1480         involving a VAR_DECL or a PARM_DECL.
1482 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1483             Jason  Merrill  <jason@redhat.com>
1484             Nathan Sidwell  <nathan@acm.org>
1486         PR c++/84497
1487         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1489 2018-03-03  Jason Merrill  <jason@redhat.com>
1491         PR c++/84686 - missing volatile loads.
1492         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1494 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1496         PR c++/71464
1497         * optimize.c (maybe_thunk_body): Bail out immediately if either
1498         fns[0] or fns[1] is null.
1500 2018-03-02  Marek Polacek  <polacek@redhat.com>
1502         PR c++/84578
1503         * constexpr.c (get_array_or_vector_nelts): New.
1504         (cxx_eval_array_reference): Use it.
1505         (cxx_eval_vec_init_1): Likewise.
1506         (cxx_eval_store_expression): Likewise.
1508 2018-03-02  Jason Merrill  <jason@redhat.com>
1510         * semantics.c (force_paren_expr): Remove redundant test.
1512 2018-03-02  Marek Polacek  <polacek@redhat.com>
1514         PR c++/84663
1515         * decl.c (cp_complete_array_type): Check error_mark_node.
1517         PR c++/84664
1518         * typeck.c (cp_perform_integral_promotions): Check the result of
1519         mark_rvalue_use.
1521 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1523         PR c++/84662
1524         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1525         RETURN instead of return.
1526         <case POINTER_PLUS_EXPR>: Likewise.
1527         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1528         it instead of wrapping it into CONVERT_EXPR.
1530 2018-03-02  Jason Merrill  <jason@redhat.com>
1532         Fix MIPS16 ICE.
1533         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1535 2018-03-02  Marek Polacek  <polacek@redhat.com>
1537         PR c++/84590
1538         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1539         wrapped in VIEW_CONVERT_EXPR.
1541 2018-03-01  Martin Sebor  <msebor@redhat.com>
1543         PR c++/84294
1544         * decl.c (check_redeclaration_no_default_args): Merge attributes
1545         specified on redeclarations of the same function template.
1546         Remove dead code.
1548 2018-03-01  Marek Polacek  <polacek@redhat.com>
1549             Jason Merrill  <jason@redhat.com>
1551         PR c++/84582
1552         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1553         a template.
1554         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1555         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1556         of instantiate_non_dependent_expr.
1557         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1559 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1561         PR c++/84434
1562         * name-lookup.c (member_vec_dedup): Remove manually peeled
1563         iteration.  Ignore dependent ctor inheritance.
1565 2018-03-01  Jason Merrill  <jason@redhat.com>
1567         PR c++/71569 - decltype of template.
1568         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1570 2018-03-01  Marek Polacek  <polacek@redhat.com>
1572         PR c++/84596
1573         * constexpr.c (require_rvalue_constant_expression): New function.
1574         * cp-tree.h: Declare it.
1575         * semantics.c (finish_static_assert): Use it instead of
1576         require_potential_rvalue_constant_expression.
1578 2018-03-01  Jason Merrill  <jason@redhat.com>
1579             Alexandre Oliva <aoliva@redhat.com>
1581         PR c++/71569 - ICE with redundant args on member variable template.
1582         * decl.c (start_decl): Handle partial specialization of member
1583         variable template.
1584         * pt.c (determine_specialization): Allow partial specialization
1585         of member variable template without specializing enclosing class.
1586         (process_partial_specialization): Improve error message.
1588 2018-02-28  Jason Merrill  <jason@redhat.com>
1590         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1591         * pt.c (determine_specialization): Check ref-qualifier.
1593 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1595         PR c++/84609
1596         * parser.c (cp_parser_attributes_opt): Formatting fix.
1597         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1598         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1599         New functions.
1600         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1601         instead of tentative parse to peek over optional attribute tokens
1602         to check for CPP_COLON after them.
1604         PR c++/83871
1605         PR c++/83503
1606         * pt.c (INCLUDE_STRING): Remove define.
1607         (warn_spec_missing_attributes): Use pretty_printer instead of
1608         std::string.  Fix up inform call so that the list of attributes
1609         is in %s argument.
1611 2018-02-28  Martin Sebor  <msebor@redhat.com>
1613         PR testsuite/84617
1614         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1615         and malloc.
1617 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1619         PR c++/84602
1620         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1621         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1622         regardless of want_type.
1623         (search_anon_aggr): Just use get_class_binding_direct.
1625 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1627         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1628         inform_n.
1630 2018-02-27  Martin Sebor  <msebor@redhat.com>
1632         * pt.c: Avoid including <string> directly.
1634 2018-02-27  Martin Sebor  <msebor@redhat.com>
1636         PR c++/83871
1637         PR c++/83503
1638         * cp-tree.h (warn_spec_missing_attributes): New function.
1639         ((check_explicit_specialization): Add an argument.  Call the above
1640         function.
1641         * decl.c (duplicate_decls): Avoid applying primary function template's
1642         attributes to its explicit specializations.
1643         cp/pt.c (warn_spec_missing_attributes): Define.
1645 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1647         PR c++/71546 - lambda init-capture with qualified-id.
1648         * parser.c (cp_parser_lambda_introducer): Clear scope after
1649         each lambda capture.
1651 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1653         PR c++/84426
1654         * name-lookup.h (get_member_slot): Rename ...
1655         (find_member_slot): ... here.
1656         (add_member_slot): New.
1657         * name-lookup.c (member_vec_linear_search): No need to check for
1658         NULL slot.
1659         (get_member_slot): Rename ...
1660         (find_member_slot): ... here.  Don't add slot for incomplete class.
1661         (add_member_slot): New.
1662         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1663         if push_class_level_binding fails.  Create slot and grok
1664         properties once we're committed to insertion.
1666 2018-02-27  Jason Merrill  <jason@redhat.com>
1668         PR c++/84489 - dependent default template argument
1669         * pt.c (type_unification_real): Handle early substitution failure.
1671 2018-02-26  Jason Merrill  <jason@redhat.com>
1673         PR c++/84560 - ICE capturing multi-dimensional VLA.
1674         * tree.c (array_of_runtime_bound_p): False if the element is
1675         variably-modified.
1677         PR c++/84441 - ICE with base initialized from ?:
1678         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1680         PR c++/84520 - ICE with generic lambda in NSDMI.
1681         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1682         'this' in a generic lambda instantiation.
1684         PR c++/84559 - ICE with constexpr VLA.
1685         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1686         for constexpr variable with VLA type.
1688 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1690         PR c++/84558
1691         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1692         a valid constant initializer.  Formatting fixes.
1694 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1696         PR c++/84540
1697         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1698         returning NULL_TREE.
1699         (apply_late_template_attributes): Likewise.
1701 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1703         PR c++/84557
1704         * parser.c (cp_parser_omp_var_list_no_open): Only call
1705         cp_parser_lookup_name_simple on names satisfying identifier_p.
1706         (cp_parser_oacc_routine): Likewise.
1708 2018-02-26  Jason Merrill  <jason@redhat.com>
1710         PR c++/84551 - ICE with concepts and -g.
1711         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1713 2018-02-26  Marek Polacek  <polacek@redhat.com>
1715         PR c++/84325
1716         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1717         non-types.
1719 2018-02-26  Jason Merrill  <jason@redhat.com>
1721         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1722         * call.c (build_over_call): Handle deleted functions in one place.
1724 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1726         PR c++/84533
1727         * decl.c (redeclaration_error_message): Don't try to use
1728         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1730 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1732         * lambda.c (build_capture_proxy): Define static.
1733         * cp-tree.h (build_capture_proxy): Remove.
1735 2018-02-26  Marek Polacek  <polacek@redhat.com>
1737         PR c++/84537
1738         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1739         if name is error node.
1741 2018-02-25  Jason Merrill  <jason@redhat.com>
1743         PR c++/84015 - ICE with class deduction and auto template parm.
1744         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1746 2018-02-24  Marek Polacek  <polacek@redhat.com>
1748         PR c++/83692
1749         * constexpr.c (maybe_constant_init_1): New function.
1750         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1751         (cxx_constant_init): New function.
1752         * cp-tree.h (cxx_constant_init): Declare.
1753         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1754         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1756 2018-02-22  Jason Merrill  <jason@redhat.com>
1758         PR c++/70468 - ICE with constructor delegation via typedef.
1759         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1760         with constructor delegation.
1762 2018-02-22  Jason Merrill  <jason@redhat.com>
1764         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1765         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1766         VECTOR_TYPE.
1768 2018-02-22  Marek Polacek  <polacek@redhat.com>
1770         PR c++/84493
1771         * parser.c (cp_parser_braced_list): Use require_open instead of
1772         consume_open.
1774 2018-02-21  Jason Merrill  <jason@redhat.com>
1776         PR c++/84454 - ICE with pack expansion in signature.
1777         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1779 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1781         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1782         IF_STMT.
1784 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1786         PR c++/84446
1787         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1788         on error_mark_node.
1790 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1792         PR c++/84445
1793         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1794         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1796         PR c++/84449
1797         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1798         returns error_mark_node, return it immediately.
1799         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1800         error_mark_node, return error_mark_node.
1802         PR c++/84455
1803         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1804         function_depth to avoid GC during finish_lambda_function.
1806 2018-02-19  Jason Merrill  <jason@redhat.com>
1808         PR c++/84429 - ICE capturing VLA.
1809         * lambda.c (build_capture_proxy): Handle reference refs.
1811 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1813         PR c++/84448
1814         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1815         either operand is error_mark_node, set current.lhs to that instead of
1816         creating a binary op with error_mark_node operands.
1818         PR c++/84430
1819         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1821 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1823         PR c++/84348
1824         * decl.c (grokdeclarator): Early return error_mark_node upon
1825         ill-formed friend declaration.
1827 2018-02-16  Marek Polacek  <polacek@redhat.com>
1828             Jakub Jelinek  <jakub@redhat.com>
1830         PR c++/84192
1831         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1832         set *jump_target to anything if jump_target is NULL.
1834 2018-02-16  Jason Merrill  <jason@redhat.com>
1836         PR c++/84151 - unnecessary volatile load with static member.
1837         * call.c (build_new_method_call_1): Avoid loading from a volatile
1838         lvalue used as the object argument for a static member function.
1840         PR c++/81853 - using-directive and constexpr.
1841         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1843         PR c++/84420 - ICE with structured binding in lambda.
1844         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1846         PR c++/83835 - C++17 error with constructor ctors.
1847         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1849         PR c++/82664 - ICE with reference to function template parm.
1850         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1851         NOP_EXPRs.
1853         PR c++/82764 - C++17 ICE with empty base
1854         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1856 2018-02-16  Jason Merrill  <jason@redhat.com>
1858         PR c++/84421 - type-dependent if constexpr
1859         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1861 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1863         Deprecate -ffriend-injection.
1864         * decl.c (cxx_init_decl_processing): Emit warning on option.
1865         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1866         friend.
1868 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1870         PR c++/82468
1871         * decl.c (check_special_function_return_type): Reject template
1872         template parameter in deduction guide.
1874 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1876         PR c++/84375
1877         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1879 2018-02-15  Jason Merrill  <jason@redhat.com>
1881         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1882         * call.c (convert_like_real): Don't use the copy-list-initialization
1883         shortcut for ck_base.
1885         PR c++/84045 - ICE with typedef and noexcept.
1886         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1888         PR c++/84376 - ICE with omitted template arguments.
1889         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1891         PR c++/84368 - wrong error with local variable in variadic lambda.
1892         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1893         local_specializations.
1895 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1897         PR c++/84330
1898         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1899         as first argument.
1901 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1903         PR c++/84350
1904         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1905         init, early return.
1907 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1909         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1910         (c_parse_final_cleanups): Restore input_location after emitting
1911         vtables.
1913 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1915         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1916         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1917         auto_deduction_context, tree, int): Add defaults.
1918         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1919         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1920         tsubst_flags_t argument.
1921         * init.c (build_new): Likewise.
1923 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1925         PR c++/84364
1926         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1927         about return other than *this in assignment operators if
1928         retval is type dependent expression.
1930 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1932         PR c++/84333
1933         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1934         save_expr for the G++ extension.
1936 2018-02-13  Jason Merrill  <jason@redhat.com>
1938         PR c++/84080 - ICE with return type deduction and specialization.
1939         * pt.c (determine_specialization): Check uses_template_parms.
1941         Fix more variadic capture issues.
1942         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1943         (check_for_bare_parameter_packs): Check current_class_type for
1944         lambda context.
1945         (extract_locals_r): Handle seeing a full instantiation of a pack.
1946         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1947         * parser.c (cp_parser_lambda_introducer): Don't
1948         check_for_bare_parameter_packs.
1950         PR c++/84338 - wrong variadic sizeof.
1951         * pt.c (argument_pack_select_arg): Like the macro, but look through
1952         a pack expansion.
1953         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1954         (extract_fnparm_pack): Do make_pack_expansion.
1955         (extract_locals_r): Do strip a pack expansion.
1956         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1958 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1960         PR c++/84341
1961         * parser.c (cp_parser_binary_expression): Use build_min instead of
1962         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1964 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1966         PR c++/84263
1967         * parser.c (cp_parser_decltype): Push and pop
1968         deferring_access_checks.  Reorganize to avoid goto.
1970 2018-02-12  Richard Biener  <rguenther@suse.de>
1972         PR c++/84281
1973         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1974         uniform constructors and delay allocating them fully.
1976 2018-02-09  Jason Merrill  <jason@redhat.com>
1978         PR c++/84036 - ICE with variadic capture.
1979         Handle variadic capture proxies more like non-variadic.
1980         * lambda.c (build_capture_proxy): Remove workaround.
1981         * pt.c (find_parameter_packs_r): The proxy is a pack.
1982         (instantiate_class_template_1): Remove dead lambda code.
1983         (extract_fnparm_pack): Don't make_pack_expansion.
1984         (extract_locals_r): Don't strip a pack expansion.
1985         (tsubst_pack_expansion): Handle proxy packs.  Use
1986         PACK_EXPANSION_EXTRA_ARGS less.
1987         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1988         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1989         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1990         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1991         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1993 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
1995         PR sanitizer/83987
1996         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1998 2018-02-09  Jason Merrill  <jason@redhat.com>
2000         PR c++/81917 - ICE with void_t and partial specialization.
2001         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2002         calling most_specialized_partial_spec.
2004 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2006         PR c/84293
2007         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2008         Pass expr location to strict_aliasing_warning.
2010 2018-02-09  Jason Merrill  <jason@redhat.com>
2012         PR c++/84296 - ICE with qualified-id in template.
2013         PR c++/83714
2014         * pt.c (unknown_base_ref_p): New.
2015         (instantiation_dependent_scope_ref_p): Use it instead of
2016         any_dependent_bases_p.
2018 2018-02-09  Marek Polacek  <polacek@redhat.com>
2019             Jakub Jelinek  <jakub@redhat.com>
2021         PR c++/83659
2022         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2023         fold_indirect_ref_1, including poly_*int64.  Verify first that
2024         tree_fits_poly_int64_p (op01).  Formatting fixes.
2026 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2028         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2029         * lambda.c (build_capture_proxy): Likewise.
2030         * search.c (field_access_p): Likewise.
2031         * semantics.c (omp_clause_decl, omp_privatize_field,
2032         finish_omp_clauses): Likewise.
2034 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2036         PR c++/83806
2037         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2038         case of nullptr too.
2040 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2042         * class.c (finish_struct): Fix std:initializer_list diagnostic
2043         formatting.
2045 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2047         PR c++/83204
2048         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2050 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2052         PR c++/84082
2053         * parser.c (cp_parser_dot_deref_incomplete): New function.
2054         (cp_parser_postfix_dot_deref_expression): Use it.
2056 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2058         PR c++/81610
2059         PR c++/80567
2060         * name-lookup.c (suggest_rid_p): New function.
2061         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2062         suggest_rid_p.
2064 2018-02-07  Jason Merrill  <jason@redhat.com>
2066         PR c++/84182 - ICE with captured lambda
2067         PR c++/84181
2068         * pt.c (extract_locals_r, extract_local_specs): New.
2069         (tsubst_pack_expansion): Use them.
2071 2018-02-07  Martin Liska  <mliska@suse.cz>
2073         PR c++/84059.
2074         * class.c (add_method): Append argument value.
2075         * cp-tree.h (maybe_version_functions): Add new argument.
2076         * decl.c (decls_match): Call it if a declaration does not
2077         have DECL_FUNCTION_VERSIONED.
2078         (maybe_version_functions): record argument is added.
2080 2018-02-05  Marek Polacek  <polacek@redhat.com>
2082         * class.c: Remove unused global variables.
2083         (build_primary_vtable): Don't gather statistics.
2084         (print_class_statistics): Remove.
2085         * cp-tree.h (print_class_statistics): Remove.
2086         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2088 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2090         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2091         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2092         * decl.c (next_initializable_field, find_decomp_class_base,
2093         cp_finish_decomp): Likewise.
2094         * typeck2.c (process_init_constructor_record): Likewise.
2096 2018-02-02  Jason Merrill  <jason@redhat.com>
2098         PR c++/84181 - ICE with lambda parm in template argument.
2099         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2101 2018-02-01  Jason Merrill  <jason@redhat.com>
2103         PR c++/84160 - ICE with nested variadic capture.
2104         * lambda.c (is_capture_proxy_with_ref): New.
2105         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2106         COMPONENT_REF.
2107         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2108         * constexpr.c (potential_constant_expression_1): Likewise.
2109         * semantics.c (process_outer_var_ref): Likewise.
2111 2018-02-01  Marek Polacek  <polacek@redhat.com>
2113         PR c++/84125
2114         * typeck.c (build_address): Relax the assert when
2115         processing_template_decl.
2117 2018-02-01  Jason Merrill  <jason@redhat.com>
2119         PR c++/84126 - ICE with variadic generic lambda
2120         PR c++/84036
2121         PR c++/82249
2122         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2123         PACK_EXPANSION_EXTRA_ARGS.
2125 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2127         PR c++/83796
2128         * call.c (convert_like_real): If w're initializing from {} explicitly
2129         call abstract_virtuals_error_sfinae.
2131 2018-01-31  Jason Merrill  <jason@redhat.com>
2132             Jakub Jelinek  <jakub@redhat.com>
2134         PR c++/83993
2135         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2136         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2137         on ADDR_EXPR.
2139 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2141         PR c++/83993
2142         * constexpr.c (diag_array_subscript): Emit different diagnostics
2143         if TYPE_DOMAIN (arraytype) is NULL.
2144         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2145         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2147 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2149         PR c++/84092
2150         * semantics.c (finish_qualified_id_expr): When handling an
2151         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2153 2018-01-31  Marek Polacek  <polacek@redhat.com>
2155         PR c++/84138
2156         * cp-gimplify.c (cp_fold): Check if X is an error node before
2157         calling useless_type_conversion_p.
2159 2018-01-30  Jason Merrill  <jason@redhat.com>
2161         PR c++/84091 - ICE with local class in lambda in template.
2162         * decl2.c (determine_visibility): Look for outer containing template
2163         instantiation.
2165         PR c++/84098 - ICE with lambda in template NSDMI.
2166         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2168 2018-01-29  Jason Merrill  <jason@redhat.com>
2170         PR c++/68810 - wrong location for reinterpret_cast error.
2171         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2172         !dofold.
2174 2018-01-29  Marek Polacek  <polacek@redhat.com>
2176         PR c++/83996
2177         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2178         => fooarray[1] in offset_int.
2180 2018-01-29  Jason Merrill  <jason@redhat.com>
2182         PR c++/83942 - wrong unused warning with static_cast.
2183         * cvt.c (ocp_convert): Call mark_rvalue_use.
2185 2018-01-26  Jason Merrill  <jason@redhat.com>
2187         PR c++/83956 - wrong dtor error with anonymous union
2188         * method.c (walk_field_subobs): Variant members only affect
2189         deletedness.
2190         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2192         PR c++/84036 - ICE with variadic capture.
2193         PR c++/82249
2194         * pt.c (tsubst_pack_expansion): When optimizing a simple
2195         substitution, pull a single pack expansion out of its pack.
2197         PR c++/82514 - ICE with local class in generic lambda.
2198         * pt.c (regenerated_lambda_fn_p): Remove.
2199         (enclosing_instantiation_of): Don't use it.
2200         (tsubst_function_decl): Call enclosing_instantiation_of.
2202         * pt.c (lookup_template_class_1): Add sanity check.
2203         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2205 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2207         PR c++/84031
2208         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2209         recursive calls that return ret.
2210         (cp_finish_decomp): Ignore unnamed bitfields.
2212 2018-01-23  Jason Merrill  <jason@redhat.com>
2214         PR c++/82249 - wrong mismatched pack length error.
2215         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2216         unsubstituted function parameter pack.
2218 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2220         PR c++/83921
2221         * decl.c (check_for_uninitialized_const_var): Not static; add
2222         bool and tsubst_flags_t parameters; adjust to be used both in
2223         constexpr context and not.
2224         * constexpr.c (potential_constant_expression_1): Use the above.
2225         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2227 2018-01-23  Jason Merrill  <jason@redhat.com>
2229         PR c++/83947 - ICE with auto declarations.
2230         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2231         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2233 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2235         PR c++/83974
2236         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2237         for pointer to member function types.
2239 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2241         PR sanitizer/83987
2242         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2243         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2245 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2247         PR c++/83988
2248         * pt.c (tsubst_baselink): Remove optype assert.
2249         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2251 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2253         PR c++/83958
2254         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2255         refers to incomplete type.
2257 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2259         Deprecate ARM-era for scope handling
2260         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2261         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2262         cleared.
2263         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2264         cleanup handling.
2265         * semantics.c (begin_for_scope): Flag_new_for_scope is
2266         boolean-like.
2267         (finish_for_stmt, begin_range_for_stmt): Likewise.
2269 2018-01-22  Jason Merrill  <jason@redhat.com>
2271         PR c++/83720
2272         * decl2.c (determine_visibility): Fix template_decl handling
2273         instead of blocking it.
2275         PR c++/83720 - ICE with lambda and LTO.
2276         * decl2.c (determine_visibility): Clear template_decl for
2277         function-scope decls.  Propagate anonymous linkage from containing
2278         function.
2280 2018-01-22  Marek Polacek  <polacek@redhat.com>
2282         PR c++/81933
2283         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2284         split out anything.
2286 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2288         PR c++/83895
2289         * decl.c (grokdeclarator): Don't diagnose extra parens
2290         on typedefs.
2292 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2294         PR c++/81167
2295         * call.c (joust): Use TREE_TYPE (source) if source is
2296         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2298         PR c++/83919
2299         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2300         for direct enum init.
2301         * decl.c (reshape_init): Likewise.
2303 2018-01-19  Marek Polacek  <polacek@redhat.com>
2305         * constexpr.c (fold_simple): Simplify.
2307 2018-01-18  Jason Merrill  <jason@redhat.com>
2309         PR c++/83714
2310         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2311         * pt.c (instantiation_dependent_scope_ref_p): True if
2312         any_dependent_bases_p.
2314 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2316         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2317         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2319 2018-01-18  Jason Merrill  <jason@redhat.com>
2321         PR c++/82461 - constexpr list-initialized member
2322         * constexpr.c (potential_constant_expression_1): Check
2323         TARGET_EXPR_DIRECT_INIT_P.
2325 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2327         PR c++/81013
2328         * decl.c (xref_basetypes): Early return upon error about derived
2329         union.
2331 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2333         PR c++/83160
2334         * cp-tree.h (mark_use): Declare.
2335         * expr.c (mark_use): Make extern.
2336         * call.c (direct_reference_binding): Set inner conv's
2337         rvaluedness_matches_p, if it is an identity.
2338         (convert_like_real): Mark lvalue or rvalue use for identity as
2339         rvaledness_matches_p demands.
2341 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2343         PR c++/83824
2344         * parser.c (attr_chainon): New function.
2345         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2346         cp_parser_namespace_definition, cp_parser_init_declarator,
2347         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2348         cp_parser_gnu_attributes_opt): Use it.
2349         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2350         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2351         prefix_attributes if attributes is error_mark_node.
2353 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2355         PR c++/78344
2356         * decl.c (grokdeclarator): Do not append the error_mark_node
2357         due to an erroneous optional attribute-specifier-seq.
2359 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2361         PR c++/83897
2362         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2363         CLEANUP_POINT_EXPR.
2365 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2367         PR c++/81054
2368         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2369         error_mark_node when we give an error.
2370         * decl.c (cp_finish_decl): Use the latter.
2372 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2374         PR c++/83287
2375         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2377 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2379         PR c++/83814
2380         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2381         the C++ part.  If processing a template, call
2382         fold_non_dependent_expr rather than fully folding.
2384 2018-01-17  Jason Merrill  <jason@redhat.com>
2386         PR c++/81067 - redundant NULL warning.
2387         * call.c (convert_like_real): Restore null_node handling.
2389 2018-01-17  Jason Merrill  <jason@redhat.com>
2391         PR c++/81843 - ICE with variadic member template.
2392         PR c++/72801
2393         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2394         template args.
2396 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2398         PR c++/83799
2399         * pt.c (type_dependent_expression_p): Strip any location wrapper
2400         before testing tree codes.
2401         (selftest::test_type_dependent_expression_p): New function.
2402         (selftest::cp_pt_c_tests): Call it.
2404 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2406         PR c++/83739
2407         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2408         this not a final instantiation.
2410 2018-01-16  Jason Merrill  <jason@redhat.com>
2412         PR c++/83714 - ICE checking return in template.
2413         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2415 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2417         PR c++/83817
2418         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2419         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2420         instead of CALL_FROM_THUNK_P.
2422         PR c++/83825
2423         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2424         (resort_type_member_vec, set_class_bindings,
2425         insert_late_enum_def_bindings): Use vec qsort method instead of
2426         calling qsort directly.
2428 2018-01-15  Martin Sebor  <msebor@redhat.com>
2430         PR c++/83588
2431         * class.c (find_flexarrays): Make a record of multiple flexible array
2432         members.
2434 2018-01-12  Jason Merrill  <jason@redhat.com>
2436         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2437         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2439 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2441         * cp-tree.h (mark_rvalue_use): Add parm name.
2442         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2443         mark_rvalue_use.
2444         * call.c (convert_like_real): Fix formatting.
2446 2018-01-11  Jason Merrill  <jason@redhat.com>
2448         PR c++/82728 - wrong -Wunused-but-set-variable
2449         PR c++/82799
2450         PR c++/83690
2451         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2452         * decl.c (case_conversion): Likewise.
2453         * semantics.c (finish_static_assert): Call
2454         perform_implicit_conversion_flags.
2456 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2458         * method.c (enum mangling_flags): Delete long-dead enum.
2460 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2462         * parser.c (cp_parser_std_attribute_spec): When
2463         token_pair::require_open / require_close return false simply
2464         return error_mark_node, avoid duplicate cp_parser_error about
2465         expected '(' / ')', respectively.
2467 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2469         PR c++/43486
2470         * call.c (null_ptr_cst_p): Strip location wrappers when
2471         converting from '0' to a pointer type in C++11 onwards.
2472         (conversion_null_warnings): Replace comparison with null_node with
2473         call to null_node_p.
2474         (build_over_call): Likewise.
2475         * cp-gimplify.c (cp_fold): Remove the early bailout when
2476         processing_template_decl.
2477         * cp-lang.c (selftest::run_cp_tests): Call
2478         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2479         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2480         (selftest::run_cp_tests): Move decl to bottom of file.
2481         (null_node_p): New inline function.
2482         (selftest::cp_pt_c_tests): New decl.
2483         (selftest::cp_tree_c_tests): New decl.
2484         * cvt.c (build_expr_type_conversion): Replace comparison with
2485         null_node with call to null_node_p.
2486         * error.c (args_to_string): Likewise.
2487         * except.c (build_throw): Likewise.
2488         * mangle.c (write_expression): Skip location wrapper nodes.
2489         * parser.c (literal_integer_zerop): New function.
2490         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2491         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2492         param of cp_parser_parenthesized_expression_list.  When calling
2493         warn_for_memset, replace integer_zerop calls with
2494         literal_integer_zerop, eliminating the double logical negation
2495         cast to bool.  Eliminate the special-casing for CONST_DECL in
2496         favor of the fold_for_warn within warn_for_memset.
2497         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2498         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2499         maybe_add_location_wrapper on it when wrap_locations_p is true.
2500         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2501         the result for RID_ALIGNOF and RID_SIZEOF.
2502         (cp_parser_builtin_offsetof): Likewise.
2503         * pt.c: Include "selftest.h".
2504         (tsubst_copy): Handle location wrappers.
2505         (tsubst_copy_and_build): Likewise.
2506         (build_non_dependent_expr): Likewise.
2507         (selftest::test_build_non_dependent_expr): New function.
2508         (selftest::cp_pt_c_tests): New function.
2509         * tree.c: Include "selftest.h".
2510         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2511         (selftest::test_lvalue_kind): New function.
2512         (selftest::cp_tree_c_tests): New function.
2513         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2514         (cp_build_binary_op): Replace comparison with null_node with call
2515         to null_node_p.
2516         (build_address): Use location of operand when building address
2517         expression.
2519 2018-01-10  Marek Polacek  <polacek@redhat.com>
2521         PR c++/82541
2522         * call.c (build_conditional_expr_1): Check complain before warning.
2523         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2524         -Wduplicated-branches.
2526 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2528         PR c++/81327
2529         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2530         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2531         args uses and check number of operands too.  Don't strip away any
2532         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2533         Deal with src argument not having pointer type.  Check
2534         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2535         test.
2536         (build_over_call): Call maybe_warn_class_memaccess here on the
2537         original arguments.
2538         (build_cxx_call): Rather than here on converted arguments.
2540 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2542         PR c++/81055
2543         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2544         error_mark_node as second argument.
2546 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2548         PR c++/83734
2549         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2550         in STATEMENT_LIST.  Remove unneeded assert.
2552 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2553             Alan Hayward  <alan.hayward@arm.com>
2554             David Sherwood  <david.sherwood@arm.com>
2556         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2557         VECTOR_CST_NELTS.
2558         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2559         * call.c (build_conditional_expr_1): Likewise.
2560         * decl.c (cp_finish_decomp): Likewise.
2561         * mangle.c (write_type): Likewise.
2562         * typeck.c (structural_comptypes): Likewise.
2563         (cp_build_binary_op): Likewise.
2564         * typeck2.c (process_init_constructor_array): Likewise.
2566 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2568         PR c++/83555
2569         * typeck.c (build_static_cast_1): For static casts to reference types,
2570         call build_base_path with flag_delete_null_pointer_checks as nonnull
2571         instead of always false.  When -fsanitize=null, call
2572         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2573         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2574         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2576 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2578         PR c++/83667
2579         * method.c (make_alias_for): Copy DECL_CONTEXT.
2581 2018-01-03  Marek Polacek  <polacek@redhat.com>
2583         PR c++/83592
2584         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2586 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2588         PR preprocessor/83602
2589         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2590         for builtin macros.
2592         PR c++/83634
2593         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2594         error_mark_node, return error_mark_node.
2596         Update copyright years.
2598 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2600         PR c++/83556
2601         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2602         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2603         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2604         to false and return.
2605         (replace_placeholders): Pass NULL instead of &pset as last argument
2606         to cp_walk_tree.
2608 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2610         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2611         lval var.
2613 Copyright (C) 2018 Free Software Foundation, Inc.
2615 Copying and distribution of this file, with or without modification,
2616 are permitted in any medium without royalty provided the copyright
2617 notice and this notice are preserved.