* cp-tree.h (cp_expr): Remove copy constructor.
[official-gcc.git] / gcc / cp / ChangeLog
blob3ccaebef47fb80b0849d0489a77bbc8b7f92b9a1
1 2018-05-15  Jason Merrill  <jason@redhat.com>
3         * cp-tree.h (cp_expr): Remove copy constructor.
4         * mangle.c (struct releasing_vec): Declare copy constructor.
6         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
8         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
9         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
10         is a throw-expression.
12 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
14         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
15         (FOR_EACH_CLONE): Update.
16         * decl.c (grokdeclarator): Use it.
17         * decl2.c (vague_linkage_p): Likewise.
18         * mangle.c (mangle_decl): Likewise.
19         * method.c (lazily_declare_fn): Likewise.
20         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
21         * repo.c (repo_emit_p): Likewise.
22         * tree.c (decl_linkage): Likewise.
24 2018-05-14  Jason Merrill  <jason@redhat.com>
26         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
27         * tree.c (build_cp_fntype_variant): New.
28         (build_ref_qualified_type, build_exception_variant)
29         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
30         (cxx_type_hash_eq, cp_check_qualified_type): Check
31         TYPE_HAS_LATE_RETURN_TYPE.
32         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
33         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
34         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
35         (adjust_clone_args): Likewise.
36         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
37         build_cp_fntype_variant.
38         (grokdeclarator): Pass late_return_type_p to grokfndecl.
39         (check_function_type): Use cxx_copy_lang_qualifiers.
40         (static_fn_type): Use cxx_copy_lang_qualifiers.
41         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
42         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
43         (change_return_type): Use cxx_copy_lang_qualifiers.
44         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
45         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
46         return type on the declarator like a normal trailing return type.
47         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
48         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
49         * typeck.c (merge_types): Use build_cp_fntype_variant.
51 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
53         * cp-tree.h (TYPE_REF_P): New.
54         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
55         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
56         direct_reference_binding, reference_binding, implicit_conversion,
57         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
58         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
59         build_over_call, perform_implicit_conversion_flags,
60         extend_ref_init_temps, type_has_extended_temps): Use it.
61         * class.c (one_inheriting_sig, check_field_decls,
62         check_bases_and_members, find_flexarrays, finish_struct,
63         fixed_type_or_null): Likewise.
64         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
65         non_const_var_error, cxx_eval_constant_expression,
66         potential_constant_expression_1): Likewise.
67         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
68         cp_genericize_r, cxx_omp_privatize_by_reference,
69         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
70         cp_fold_maybe_rvalue): Likewise.
71         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
72         * cvt.c (build_up_reference, convert_to_reference,
73         convert_from_reference, convert_to_void, noexcept_conv_p,
74         fnptr_conv_p): Likewise.
75         * decl.c (poplevel, check_for_uninitialized_const_var,
76         check_initializer, initialize_local_var, cp_finish_decl,
77         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
78         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
79         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
80         decl_maybe_constant_var_p): Likewise.
81         * error.c (dump_type_prefix, dump_expr): Likewise.
82         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
83         is_admissible_throw_operand_or_catch_parameter): Likewise.
84         * expr.c (mark_use): Likewise.
85         * init.c (build_zero_init_1, build_value_init_noctor,
86         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
87         build_new, build_delete): Likewise.
88         * lambda.c (build_lambda_object): Likewise.
89         * mangle.c (write_expression, write_template_arg): Likewise.
90         * method.c (forward_parm, do_build_copy_constructor,
91         do_build_copy_assign, build_stub_object, constructible_expr,
92         walk_field_subobs): Likewise.
93         * parser.c (cp_parser_omp_for_loop_init,
94         cp_parser_omp_declare_reduction_exprs,
95         cp_parser_omp_declare_reduction): Likewise.
96         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
97         convert_template_argument, tsubst_pack_expansion,
98         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
99         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
100         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
101         value_dependent_expression_p, build_deduction_guide): Likewise.
102         * semantics.c (finish_handler_parms, finish_non_static_data_member,
103         finish_compound_literal, omp_privatize_field,
104         handle_omp_array_sections_1, handle_omp_array_sections,
105         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
106         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
107         finish_omp_clauses, finish_decltype_type, capture_decltype,
108         finish_builtin_launder): Likewise.
109         * tree.c (lvalue_kind, cp_build_reference_type, move,
110         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
111         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
112         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
113         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
114         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
115         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
116         convert_for_initialization,
117         maybe_warn_about_returning_address_of_local, check_return_expr,
118         cp_type_quals, casts_away_constness, non_reference): Likewise.
119         * typeck2.c (cxx_readonly_error, store_init_value,
120         process_init_constructor_record, build_x_arrow, build_functional_cast,
121         add_exception_specifier): Likewise.
123 2018-05-14  Jason Merrill  <jason@redhat.com>
125         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
126         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
128 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
130         PR c/85696
131         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
132         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
133         cxx_omp_predetermined_sharing_1.  Rename old function to ...
134         (cxx_omp_predetermined_sharing_1): ... this.
135         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
136         instead of cxx_omp_predetermined_sharing.
138 2018-05-10  Jason Merrill  <jason@redhat.com>
140         * decl.c (cp_finish_decl): Don't instantiate auto variable.
141         (check_static_variable_definition): Allow auto.
142         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
144         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
145         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
147         Core issue 2310 - conversion to base of incomplete type.
148         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
150         CWG 2267 - list-initialization of reference temporary
151         * call.c (reference_binding): List-initializing a reference
152         temporary is copy-list-initialization.
154         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
156         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
157         instantiation in template context.
159         * class.c (vbase_has_user_provided_move_assign): Use
160         user_provided_p.
162         * lambda.c (lambda_expr_this_capture): Improve logic.
164         * decl.c (make_typename_type): s/parameters/arguments/.
165         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
166         * pt.c (make_pack_expansion): Correct error message.
168 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
170         PR c++/85662
171         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
172         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
173         fold_convert.
175 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
177         PR c++/85400
178         * decl2.c (adjust_var_decl_tls_model): New static function.
179         (comdat_linkage): Call it on a variable.
180         (maybe_make_one_only): Likewise.
182 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
184         PR c++/85713
185         Revert:
186         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
188         PR c++/84588
189         * parser.c (cp_parser_parameter_declaration_list): When the
190         entire parameter-declaration-list is erroneous maybe call
191         abort_fully_implicit_template.
193 2018-05-08  Jason Merrill  <jason@redhat.com>
195         PR c++/85706 - class deduction under decltype
196         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
197         *walk_subtrees whether or not we walked into the operand.
198         (type_uses_auto): Only look at deduced contexts.
200 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
202         PR c++/84588
203         * parser.c (cp_parser_parameter_declaration_list): When the
204         entire parameter-declaration-list is erroneous maybe call
205         abort_fully_implicit_template.
207 2018-05-08  Marek Polacek  <polacek@redhat.com>
209         PR c++/85695
210         * semantics.c (finish_if_stmt_cond): See through typedefs.
212 2018-05-07  Jason Merrill  <jason@redhat.com>
214         PR c++/85646 - lambda visibility.
215         * decl2.c (determine_visibility): Don't mess with template arguments
216         from the containing scope.
217         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
218         thunk.
220 2018-05-07  Nathan Sidwell  <nathan@acm.org>
222         Remove fno-for-scope
223         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
224         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
225         (SET_DECL_SHADOWED_FOR_VAR): Delete.
226         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
227         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
228         Don't declare.
229         * name-lookup.h (struct cp_binding_level): Remove
230         dead_vars_from_for field.
231         * cp-lang.c (cp_init_ts): Delete.
232         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
233         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
234         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
235         (init_shadowed_var_for_decl): Delete.
236         * decl.c (poplevel): Remove shadowed for var handling.
237         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
238         * name-lookup.c (find_local_binding): Remove shadowed for var
239         handling.
240         (check_local_shadow): Likewise.
241         (check_for_out_of_scope_variable): Delete.
242         * parser.c (cp_parser_primary_expression): Remove shadowed for var
243         handling.
244         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
245         * semantics.c (begin_for_scope): Always have a scope.
246         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
247         (begin_range_for_stmt, finish_id_expression): Likewise.
249 2018-05-07  Jason Merrill  <jason@redhat.com>
251         PR c++/85618 - ICE with initialized VLA.
252         * tree.c (vla_type_p): New.
253         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
254         rather than array_of_runtime_bound_p.
256 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
258         * cvt.c (ocp_convert): Early handle the special case of a
259         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
261 2018-05-03  Jason Merrill  <jason@redhat.com>
263         PR c++/85600 - virtual delete failure.
264         * init.c (build_delete): Always save_expr when deleting.
266 2018-05-03  Nathan Sidwell  <nathan@acm.org>
268         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
269         * name-lookup.c (do_pushdecl): Likewise.
271 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
272             Jason Merrill  <jason@redhat.com>
274         PR c++/68374
275         * name-lookup.c (check_local_shadow): Don't handle static old
276         declarations in the block handling locals shadowing locals.
278 2018-05-01  Jason Merrill  <jason@redhat.com>
280         PR c++/85587 - error with scoped enum in template.
281         * semantics.c (finish_qualified_id_expr): Don't return an
282         unqualified IDENTIFIER_NODE.
284 2018-04-30  Jason Merrill  <jason@redhat.com>
286         PR c++/85580 - extern "C" and local variables
287         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
289         PR c++/84701 - unsigned typeof.
290         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
291         of long/short/signed/unsigned.
293         PR c++/85305 - pack in lambda init-capture.
294         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
295         check_for_bare_parameter_packs in a subexpression.
296         (cp_parser_lambda_introducer): Use it.
298         PR c++/61982 - dead stores to destroyed objects.
299         * call.c (build_trivial_dtor_call): New, assigns a clobber.
300         (build_over_call, build_special_member_call): Use it.
301         * cp-tree.h: Declare it.
302         * init.c (build_delete): Remove trivial path.
304         * init.c (build_dtor_call): Use build_special_member_call.
305         (build_delete): Remove redundant uses of save_addr.
307         * decl.c (build_clobber_this): Use build_clobber.
309 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
311         PR c++/85553
312         * init.c (build_zero_init_1): For zero initialization of
313         NULLPTR_TYPE_P type use build_int_cst directly.
315 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
317         PR c++/85515
318         * name-lookup.c (consider_binding_level): Skip compiler-generated
319         variables.
320         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
321         nested if statements into a series of rejection tests.  Reject
322         lambda-ignored entities as suggestions.
324 2018-04-27  Jason Merrill  <jason@redhat.com>
326         * cvt.c (cp_fold_convert): Use convert_ptrmem.
327         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
329 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
331         PR c++/84691
332         * decl.c (grokdeclarator): Clear friendp upon definition in local
333         class definition error.
335 2018-04-27  Jason Merrill  <jason@redhat.com>
337         PR c++/85545 - ICE with noexcept PMF conversion.
338         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
339         build_ptrmemfunc.
340         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
341         adjustment.
342         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
344 2018-04-27  Nathan Sidwell  <nathan@acm.org>
346         * typeck.c (convert_ptrmem): Move local var decls to initialization.
348         * cp-tree.h (TEMPLATE_INFO): Fix comments.
349         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
350         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
351         (dump, print_other_binding_stacks): Remove declarations.
352         * name-lookup.c (print_other_binding_stack): Make static.
353         * pt.c (build_template_decl): Make static.
355 2018-04-26  Jason Merrill  <jason@redhat.com>
357         PR c++/85545 - ICE with noexcept PMF conversion.
358         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
360 2018-04-25  Nathan Sidwell  <nathan@acm.org>
362         PR c++/85437
363         PR c++/49171
364         * cp-tree.h (REINTERPRET_CAST_P): New.
365         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
366         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
367         for non-trivial PTRMEM_CST cases.
368         * typeck.c (build_nop_reinterpret): New.
369         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
370         NOP_EXPRs returned by cp_convert.
372 2018-04-23  Jason Merrill  <jason@redhat.com>
374         PR c++/69560 - wrong alignof(double) on x86.
375         CWG 1879 - Inadequate definition of alignment requirement.
376         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
377         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
378         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
379         (cxx_alignof_expr): Pass it.
380         * parser.c (cp_parser_unary_expression): Pass it.
381         * pt.c (tsubst_copy): Copy it.
382         (tsubst_copy_and_build): Pass it.
383         * decl.c (fold_sizeof_expr): Pass it.
385 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
386             Jason Merrill  <jason@redhat.com>
388         PR c++/85470 - wrong error with static data member.
389         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
390         * typeck2.c (store_init_value): Likewise.
392 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
394         PR c++/85462
395         * cp-tree.h (tinst_level): Remove in_system_header_p member,
396         change refcount member from unsigned char to unsigned short,
397         add refcount_infinity static data member, adjust comments.
398         * pt.c (tinst_level::refcount_infinity): Define.
399         (inc_refcount_use): Remove assert, don't increment if refcount
400         is already refcount_infinity, adjust comment.
401         (dec_refcount_use): Remove assert, don't decrement if refcount
402         is refcount_infinity, adjust comment.
403         (push_tinst_level_loc): Formatting fix.
405 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
407         PR c++/84611
408         * pt.c (lookup_template_class_1): Check pushtag return value for
409         error_mark_node.
411 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
413         PR c++/80290
414         * cp-tree.h (tinst_level::free): Fix whitespace.
416 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
418         PR c++/84630
419         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
420         for error_mark_node.
422 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
424         PR c++/84463
425         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
426         tricks from here to ...
427         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
428         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
430 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
432         PR c++/80290
433         * cp-tree.h (struct tinst_level): Split decl into tldcl and
434         targs.  Add private split_list_p, tree_list_p, and not_list_p
435         inline const predicates; to_list private member function
436         declaration; free public member function declaration; list_p,
437         get_node and maybe_get_node accessors, and refcount data
438         member.  Narrow errors to unsigned short.
439         * error.c (print_instantiation_full_context): Use new
440         accessors.
441         (print_instantiation_partial_context_line): Likewise.  Drop
442         const from tinst_level-typed parameter.
443         * mangle.c (mangle_decl_string): Likewise.
444         * pt.c (freelist): New template class.
445         (tree_list_freelist_head): New var.
446         (tree_list_freelist): New fn, along with specializations.
447         (tinst_level_freelist_head): New var.
448         (pending_template_freelist_head): Likewise.
449         (tinst_level_freelist, pending_template_freelist): New fns.
450         (tinst_level::to_list, tinst_level::free): Define.
451         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
452         (set_refcount_ptr): New template fn.
453         (add_pending_template): Adjust for refcounting, freelists and
454         new accessors.
455         (neglectable_inst_p): Take a NULL d as a non-DECL.
456         (limit_bad_template_recursion): Use new accessors.
457         (push_tinst_level): New overload to create the list.
458         (push_tinst_level_loc): Make it static, split decl into two
459         args, adjust tests and initialization to cope with split
460         lists, use freelist, adjust for refcounting.
461         (push_tinst_level_loc): New wrapper with the old interface.
462         (pop_tinst_level): Adjust for refcounting.
463         (record_last_problematic_instantiation): Likewise.
464         (reopen_tinst_level): Likewise.  Use new accessors.
465         (instantiate_alias_template): Adjust for split list.
466         (fn_type_unification): Likewise.
467         (get_partial_spec_bindings): Likewise.
468         (instantiate_pending_templates): Use new accessors.  Adjust
469         for refcount.  Release pending_template to freelist.
470         (instantiating_current_function_p): Use new accessors.
472 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
474         PR c++/85039
475         * parser.c (cp_parser_builtin_offset): Reject type definitions.
476         * mangle.c (nested_anon_class_index): Avoid crash returning -1
477         if we've seen errors.
479 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
481         PR c++/85385
482         * name-lookup.c (macro_use_before_def::maybe_make): New function,
483         checking that the use is indeed before the definition.
484         (macro_use_before_def::macro_use_before_def): Make private.
485         (macro_use_before_def::~macro_use_before_def): Make private.  Move
486         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
487         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
488         than using new directly.
490 2018-04-12  Jason Merrill  <jason@redhat.com>
492         PR c++/85356 - ICE with pointer to member function.
493         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
494         flag_noexcept_type.  Build the new spec within the function context.
495         * except.c (build_noexcept_spec): Do get constant value in templates
496         if flag_noexcept_type.
497         * decl.c (check_redeclaration_exception_specification): Don't
498         instantiate noexcept on a dependent declaration.
500 2018-04-12  Marek Polacek  <polacek@redhat.com>
502         PR c++/85258
503         * constexpr.c (reduced_constant_expression_p): Return false for null
504         trees.
506 2018-04-11  Marek Polacek  <polacek@redhat.com>
508         PR c++/85032
509         * constexpr.c (potential_constant_expression_1): Consider conversions
510         from classes to literal types potentially constant.
512 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
514         PR c++/70808
515         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
516         the type like TYPE_PTR_OR_PTRMEM_P.
518 2018-04-10  Jason Merrill  <jason@redhat.com>
520         PR debug/65821 - wrong location for main().
521         * call.c (clear_location_r, convert_default_arg): Revert.
522         * tree.c (break_out_target_exprs): Add clear_location parm.
523         (struct bot_data): New.
524         (bot_manip): Clear location if requested.
525         * init.c (get_nsdmi): Pass clear_location.
527 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
529         PR c++/85110
530         * call.c (get_fndecl_argument_location): Make non-static.
531         * cp-tree.h (get_fndecl_argument_location): New decl.
532         * typeck.c (convert_for_assignment): When complaining due to
533         conversions for an argument, show the location of the parameter
534         within the decl.
536 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
538         PR c++/85312 - P0962 cleanup
539         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
540         diagnostics.
542 2018-04-10  Jason Merrill  <jason@redhat.com>
544         PR debug/65821 - wrong location for main().
545         * call.c (clear_location_r): New.
546         (convert_default_arg): Use it.
547         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
549         PR c++/85285 - ICE with flexible array after substitution.
550         * pt.c (instantiate_class_template_1): Check for flexible array in
551         union.
553 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
555         PR c++/85227
556         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
557         issue a pedwarn and defer trying to do bindings.
559 2018-04-09  Jason Merrill  <jason@redhat.com>
561         PR c++/85279 - dump_expr doesn't understand decltype.
562         * error.c (dump_expr): Handle DECLTYPE_TYPE.
564         PR c++/85262 - ICE with redundant qualification on constructor.
565         * call.c (build_new_method_call_1): Move make_args_non_dependent
566         after A::A() handling.
568         PR c++/85277 - ICE with invalid offsetof.
569         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
570         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
572         PR c++/85264 - ICE with excess template-parameter-list.
573         * parser.c (cp_parser_check_template_parameters): Add template_id_p
574         parameter.  Don't allow an extra template header if true.
575         (cp_parser_class_head): Pass template_id_p.
576         (cp_parser_elaborated_type_specifier): Likewise.
577         (cp_parser_alias_declaration): Likewise.
578         (cp_parser_check_declarator_template_parameters): Likewise.
580 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
582         PR c++/85194
583         * parser.c (cp_parser_simple_declaration): For structured bindings,
584         if *maybe_range_for_decl is NULL after parsing it, set it to
585         error_mark_node.
587 2018-04-09  Jason Merrill  <jason@redhat.com>
589         PR c++/85256 - ICE capturing pointer to VLA.
590         * lambda.c (add_capture): Distinguish between variable-size and
591         variably-modified types.
593 2018-04-06  Jason Merrill  <jason@redhat.com>
595         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
596         * pt.c (extract_locals_r): Remember local typedefs.
598 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
600         PR c++/84269
601         * name-lookup.c (struct std_name_hint): Move out of
602         get_std_name_hint; add field "min_dialect".
603         (get_std_name_hint): Add min_dialect values to all initializers.
604         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
605         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
606         <shared_mutex>, <string_view>, <thread>, and <variant>.
607         Add fstream, ifstream, and ofstream to <fstream>.
608         Add istringstream, ostringstream, and stringstream to <sstream>.
609         Add basic_string to <string>.
610         Add tuple_element and tuple_size to <tuple>.
611         Add declval to <utility>.
612         Fix ordering of <queue> and <tuple>.
613         Return a std_name_hint, rather than a const char *.
614         (get_cxx_dialect_name): New function.
615         (maybe_suggest_missing_std_header): Detect names that aren't yet
616         available in the current dialect, and instead of suggesting a
617         missing #include, warn about the dialect.
619 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
621         PR c++/85210
622         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
623         errorcount is set if tsubst doesn't return a VAR_DECL.
625 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
627         PR c++/85021
628         * name-lookup.c (using_directives_contain_std_p): New function.
629         (has_using_namespace_std_directive_p): New function.
630         (suggest_alternatives_for): Simplify if/else logic using early
631         returns.  If no candidates were found, and there's a
632         "using namespace std;" directive, call
633         maybe_suggest_missing_std_header.
634         (maybe_suggest_missing_header): Split later part of the function
635         into..
636         (maybe_suggest_missing_std_header): New.
638 2018-04-06  Jason Merrill  <jason@redhat.com>
640         PR c++/85242 - ICE with class definition in template parm.
641         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
642         processing_template_parmlist.
644         PR c++/85240 - LTO ICE with using of undeduced auto fn.
645         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
647 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
649         PR c++/85209
650         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
651         is not prev, if prev == decl.
653         PR c++/85208
654         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
655         maybe_apply_pragma_weak here...
656         (cp_maybe_mangle_decomp): ... but call it here instead.
658 2018-04-05  Jason Merrill  <jason@redhat.com>
660         PR c++/85136 - ICE with designated init in template.
661         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
662         designated initializer.
663         (check_array_designated_initializer): Update ce->index with the
664         constant value.
666         PR c++/83808 - ICE with VLA initialization.
667         * typeck2.c (process_init_constructor_array): Don't require a VLA
668         initializer to have VLA type.
670 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
672         PR c++/80956
673         * call.c (convert_like_real): Fail gracefully for a broken
674         std::initializer_list, missing a definition.
676         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
678 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
680         PR c++/84792
681         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
682         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
684 2018-04-05  Jason Merrill  <jason@redhat.com>
686         PR c++/82152 - ICE with class deduction and inherited ctor.
687         * pt.c (do_class_deduction): Ignore inherited ctors.
689         PR c++/84665 - ICE with array of empty class.
690         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
692         PR c++/85228 - ICE with lambda in enumerator in template.
693         * pt.c (bt_instantiate_type_proc): Don't assume
694         CLASSTYPE_TEMPLATE_INFO is non-null.
696 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
698         Implement P0969
699         * decl.c (find_decomp_class_base): Check accessibility instead
700         of declared access, adjust diagnostic.
702 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
704         Implement P0961
705         * decl.c (get_tuple_decomp_init): Check the templatedness
706         of a member get.
708 2018-04-05  Jason Merrill  <jason@redhat.com>
710         PR c++/85200 - ICE with constexpr if in generic lambda.
711         * pt.c (extract_locals_r): Don't record the local specs of variables
712         declared within the pattern.
714 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
716         PR c++/84979
717         * pt.c (check_auto_in_tmpl_args): New.
718         (tsubst_qualified_id): Use it to reject template args
719         referencing auto for non-type templates.
720         * parser.c (cp_parser_template_id): Likewise.
721         * cp-tree.h (check_auto_in_tmpl_args): Declare.
722         * typeck2.c (build_functional_cast): Report correct location
723         for invalid use of auto.
725 2018-04-04  Jason Merrill  <jason@redhat.com>
727         PR c++/85215 - ICE with copy-init from conversion.
728         * call.c (merge_conversion_sequences): Fix type of direct binding
729         sequence.
731         PR c++/84938 - ICE with division by ~-1.
732         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
734         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
735         * parser.c (cp_parser_mem_initializer_list): Call
736         check_for_bare_parameter_packs.
738 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
740         PR inline-asm/85172
741         * constexpr.c (cxx_eval_builtin_function_call): For calls to
742         builtin_valid_in_constant_expr_p functions, don't call
743         cxx_eval_constant_expression if argument is not
744         potential_constant_expression.
746         PR c++/85146
747         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
748         argument.
749         * semantics.c (calculate_bases): Add complain argument.  Use
750         complete_type_or_maybe_complain instead of just complete_type and
751         return an empty vector if it fails.  Move make_tree_vector () call
752         after early return.  Formatting fixes.
753         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
754         end.
755         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
756         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
757         calculate_direct_bases callers, formatting fixes.
759 2018-04-04  Jason Merrill  <jason@redhat.com>
761         PR c++/85006 - -fconcepts ICE with A<auto...> return type
762         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
764         PR c++/85200 - ICE with constexpr if in generic lambda.
765         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
767         PR c++/84221 - bogus -Wunused with attribute and template.
768         * decl2.c (is_late_template_attribute): Handle unused and used
769         normally on non-TYPE_DECL.
771         PR c++/85135 - ICE with omitted template arguments.
772         * decl.c (grokdeclarator): Catch deduced class type in trailing
773         return type.
775         PR c++/85133 - ICE with missing concept initializer.
776         * decl.c (cp_finish_decl): If a concept initializer is missing, use
777         true.
779         PR c++/85118 - wrong error with generic lambda and std::bind.
780         * call.c (add_template_conv_candidate): Disable if there are any
781         call operators.
783         PR c++/85141 - ICE with compound assignment and static member fn.
784         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
785         compound assignment.
787         PR c++/85148 - ICE with 'this' in array NSDMI.
788         * tree.c (replace_placeholders_r): Use handled_component_p.
790 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
792         PR c++/65923
793         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
794         * parser.c (cp_parser_unqualified_id): ..not here.
796 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
798         PR c++/84943
799         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
800         used.
801         * decl2.c (mark_used): Return without effects if tf_conv.
803 2018-04-03  Jason Merrill  <jason@redhat.com>
805         PR c++/85092 - C++17 ICE with unused list constructor.
806         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
807         from a TARGET_EXPR.
809         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
810         * constexpr.c (cxx_eval_builtin_function_call): Only defer
811         __builtin_constant_p if ctx->quiet.
813 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
815         PR c++/84768
816         * pt.c (rewrite_template_parm): If the first argument is
817         error_mark_node return it immediately.
818         (build_deduction_guide): Check the return value of the
819         latter for error_mark_node.
820         (do_class_deduction): Check the return value of the latter.
822 2018-04-03  Jason Merrill  <jason@redhat.com>
824         * semantics.c (finish_if_stmt_cond): Use
825         instantiation_dependent_expression_p.
827         PR c++/85149 - generic lambda and constexpr if.
828         * pt.c (build_extra_args, add_extra_args): Split from
829         tsubst_pack_expansion.
830         (tsubst_expr) [IF_STMT]: Use them.
831         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
833         * typeck.c (merge_types): Limit matching attribute shortcut to
834         the default case.
836 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
838         PR c++/85147
839         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
841         PR c++/85140
842         * name-lookup.c (handle_namespace_attrs): Return early if attributes
843         is error_mark_node.
845         PR c++/85134
846         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
847         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
848         instead for static data members clear init and set DECL_EXTERNAL.
850 2018-04-02  Jason Merrill  <jason@redhat.com>
852         PR c++/64095 - auto... parameter pack.
853         * parser.c (cp_parser_parameter_declaration): Handle turning autos
854         into packs here.
855         (cp_parser_parameter_declaration_list): Not here.
857 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
859         PR c++/85027
860         * class.c (instantiate_type): Peel off SAVE_EXPR before
861         BASELINK.
863 2018-03-30  Jason Merrill  <jason@redhat.com>
865         * typeck2.c (process_init_constructor_record): Use
866         init_list_type_node for the CONSTRUCTOR around an anonymous union
867         designated initializer.
869 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
871         PR c++/84791
872         * semantics.c (finish_omp_reduction_clause): If
873         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
874         even if processing_template_decl.
876 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
878         PR c++/84269
879         * name-lookup.c (get_std_name_hint): Add names from <memory>,
880         <tuple>, and <utility>.
882 2018-03-29  Jason Merrill  <jason@redhat.com>
884         PR c++/85093 - too many template args with pack expansion.
885         * pt.c (coerce_template_parms): Keep pack expansion args that will
886         need to be empty.
888 2018-03-29  Jason Merrill  <jason@redhat.com>
890         * pt.c (build_non_dependent_expr): Propagate expr location.
892 2018-03-27  Jason Merrill  <jason@redhat.com>
894         PR c++/85060 - wrong-code with call to base member in template.
895         * search.c (any_dependent_bases_p): Check uses_template_parms
896         rather than processing_template_decl.
898 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
900         PR c++/85110
901         * typeck.c (convert_for_assignment): When complaining due to
902         conversions for an argument, attempt to use the location of the
903         argument.
905 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
907         PR c++/85028
908         * pt.c (tsubst_default_argument): Early return if the type of the
909         parameter is erroneous.
911 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
913         PR c++/84973
914         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
915         templates.
917         PR c++/84968
918         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
920 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
922         PR c++/85067
923         * method.c (defaulted_late_check): Partially revert r253321 changes,
924         do not early return upon error.
926 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
928         PR c++/85077
929         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
930         type call fold to generate VECTOR_CSTs when possible.
932         PR c++/85076
933         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
934         return it right away.
936 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
938         * search.c (check_final_overrider): Use inform instead of error
939         for the diagnostics of the overridden functions.  Tweak wording.
941 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
943         PR c++/85068
944         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
945         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
947 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
948             Jason Merrill  <jason@redhat.com>
950         PR c++/84632
951         * init.c (build_aggr_init): When initializing from array,
952         reject anything but CONSTRUCTORs and TARGET_EXPRs.
953         (build_vec_init): Handle separately ARRAY_TYPEs.
955 2018-03-26  Jason Merrill  <jason@redhat.com>
957         PR c++/85062 - ICE with alignas in wrong place.
958         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
959         here.
961         PR c++/85049 - ICE with __integer_pack.
962         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
963         * cp-tree.h (TEMPLATE_PARM_P): New.
965 2018-03-23  Jason Merrill  <jason@redhat.com>
967         PR c++/78489 - wrong SFINAE behavior.
969         PR c++/84489
970         * pt.c (type_unification_real): Don't defer substitution failure.
972 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
974         PR c++/85015
975         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
976         result.
978         PR c++/84942
979         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
980         cp_build_unary_op call with gcc_unreachable ().
982 2018-03-23  Marek Polacek  <polacek@redhat.com>
984         PR c++/85045
985         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
986         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
987         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
989 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
991         Implement P0962
992         * parser.c (cp_parser_perform_range_for_lookup): Change
993         the condition for deciding whether to use members.
995 2018-03-23  Marek Polacek  <polacek@redhat.com>
997         PR c++/85033
998         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1000 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1002         PR c++/71251
1003         * parser.c (cp_parser_alias_declaration): Call
1004         parser_check_template_parameters.
1006         PR c++/84789
1007         * pt.c (resolve_typename_type): Drop assert that stopped
1008         simplification to template-independent types.  Add assert to
1009         verify the initial scope is template dependent.
1010         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1011         Reparse the id expression as a type-name, not a declarator.
1013         PR c++/84729
1014         * init.c (build_vec_init): Error at parenthesized array init.
1016         PR c++/84610
1017         PR c++/84642
1018         PR c++/84942
1019         * cp-tree.h (temp_override): New template class, generalizing
1020         a cleanup that was only used...
1021         * parser.c (cp_parser_parameter_declaration_clause):
1022         ... here for auto_is_implicit_function_template_parm_p.
1023         (cp_parser_gnu_attributes_opt): Use it here as well.
1024         (cp_parser_std_attribute): Likewise.
1026 2018-03-22  Marek Polacek  <polacek@redhat.com>
1028         PR c++/84854
1029         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1030         is boolean.
1032 2018-03-21  Jason Merrill  <jason@redhat.com>
1034         PR c++/81311 - wrong C++17 overload resolution.
1035         * call.c (build_user_type_conversion_1): Remove C++17 code.
1036         (conv_binds_ref_to_prvalue): New.
1037         (build_over_call): Handle C++17 copy elision.
1038         (build_special_member_call): Only do C++17 copy elision here if the
1039         argument is already the right type.
1041 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1043         PR c++/71965
1044         * init.c (build_vec_init): Silence error, former sorry,
1045         without tf_error.
1047         PR c++/84610
1048         PR c++/84642
1049         * parser.c (abort_fully_implicit_template_p): New.
1050         (cp_parser_skip_to_end_of_statement): Use it.
1051         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1052         (finish_fully_implicit_template_p): Clear
1053         implicit_template_parms and implicit_template_scope.
1055 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1057         PR c++/84972
1058         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1059         error_mark_node when check_array_designated_initializer fails.
1061 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1063         PR c++/84961
1064         * cp-tree.h (genericize_compound_lvalue): Declare.
1065         * typeck.c (genericize_compound_lvalue): New function.
1066         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1067         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1068         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1069         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1070         COMPOUND_EXPR operand.
1072 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1074         PR c++/85008
1075         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1076         * decl2.c (vague_linkage_p): Likewise.
1078 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1080         PR c++/84994
1081         * constexpr.c (constexpr_fn_retval): Make non-"static".
1082         * cp-tree.h (constexpr_fn_retval): New decl.
1083         * search.c (direct_accessor_p): Update leading comment.
1084         (reference_accessor_p): Likewise.
1085         (field_accessor_p): Replace check that function body is a
1086         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1087         indentation of "field_type" decl.
1089 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1091         PR c++/84804
1092         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1093         complete classes.
1095 2018-03-21  Martin Sebor  <msebor@redhat.com>
1097         PR c++/84850
1098         * call.c (first_non_public_field): New template and function.
1099         (first_non_trivial_field): New function.
1100         (maybe_warn_class_memaccess): Call them.
1102 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1104         PR c++/84892
1105         * search.c (field_accessor_p): Use class_of_this_parm rather than
1106         type_of_this_parm, to check that "this" is a "const T *", rather
1107         than a "T *const".
1109 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1111         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1112         other than public non-static data members.
1113         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1114         parenthesized initializer.
1116         PR c++/84836
1117         * name-lookup.c (update_binding): Correct logic for local binding
1118         update.
1120 2018-03-21  Marek Polacek  <polacek@redhat.com>
1122         PR c++/71638, ICE with NSDMI and reference.
1123         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1124         even when we replace an element.
1126 2018-03-20  Marek Polacek  <polacek@redhat.com>
1128         PR c++/84978, ICE with NRVO.
1129         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1130         a RESULT_DECL isn't in the hash map.
1132 2018-03-20  Jason Merrill  <jason@redhat.com>
1134         PR c++/84978, ICE with NRVO.
1135         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1136         (cp_get_callee_fndecl_nofold): New.
1137         * cp-gimplify.c (cp_genericize_r): Use it instead.
1138         * call.c (check_self_delegation): Likewise.
1140 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1142         PR c++/84962
1143         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1144         member_vec, if there is one.
1146         PR c++/84970
1147         * cp-tree.h (lookup_list_keep): Declare.
1148         * tree.c (lookup_list_keep): New, broken out of ...
1149         (build_min): ... here.  Call it.
1150         * decl.c (cp_finish_decl): Call lookup_list_keep.
1152 2018-03-19  Jason Merrill  <jason@redhat.com>
1154         PR c++/84937 - ICE with class deduction and auto.
1155         * pt.c (rewrite_template_parm): Fix auto handling.
1157 2018-03-19  Marek Polacek  <polacek@redhat.com>
1159         PR c++/84925
1160         * pt.c (enclosing_instantiation_of): Check if fn is null.
1162         PR c++/84927
1163         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1164         as we evaluate the elements.
1165         (cxx_eval_constant_expression): Verify constructor's flags
1166         unconditionally.
1168 2018-03-19  Jason Merrill  <jason@redhat.com>
1170         PR c++/71834 - template-id with too few arguments.
1171         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1173 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1175         PR c++/84835
1176         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1177         * pt.c (build_template_decl): Propagate language linkage.
1179         PR c++/84812
1180         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1181         ambiguous lookups.
1183 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1185         PR c/84910
1186         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1187         diagnostics.
1188         * method.c (synthesize_method): Likewise.
1189         * pt.c (convert_nontype_argument): Likewise.
1191 2018-03-16  Jason Merrill  <jason@redhat.com>
1193         PR c++/84720 - ICE with rvalue ref non-type argument.
1194         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1195         (convert_nontype_argument): Revert earlier change.
1197         PR c++/80227 - SFINAE and negative array size.
1198         * decl.c (compute_array_index_type): Use
1199         build_converted_constant_expr and valid_constant_size_p.
1201         PR c++/84906 - silent wrong code with ambiguous conversion.
1202         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1203         ambiguous conversion.
1204         (convert_like_real): Check it.
1206         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1207         * call.c (build_special_member_call): Don't convert an init-list
1208         argument directly to the class type.
1210 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1212         PR c++/79937
1213         PR c++/82410
1214         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1215         (find_placeholder): Declare.
1216         * tree.c (struct replace_placeholders_t): Add exp member.
1217         (replace_placeholders_r): Don't walk into ctors with
1218         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1219         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1220         (replace_placeholders): Initialize data.exp.
1221         (find_placeholders_r, find_placeholders): New functions.
1222         * typeck2.c (process_init_constructor_record,
1223         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1224         if adding NSDMI on which find_placeholder returns true.
1225         * call.c (build_over_call): Don't call replace_placeholders here.
1226         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1227         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1228         TARGET_EXPR_INITIAL.
1229         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1230         ctor.
1232 2018-03-16  Jason Merrill  <jason@redhat.com>
1234         PR c++/83911 - ICE with multiversioned constructor.
1235         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1236         dispatchere here.
1237         * call.c (build_over_call): Not here.
1239 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1241         PR c++/84874
1242         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1243         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1245 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1247         PR c++/84222
1248         * cp-tree.h (cp_warn_deprecated_use): Declare.
1249         * tree.c (cp_warn_deprecated_use): New function.
1250         * typeck2.c (build_functional_cast): Use it.
1251         * decl.c (grokparms): Likewise.
1252         (grokdeclarator): Likewise.  Temporarily push nested class scope
1253         around grokparms call for out of class member definitions.
1255 2018-03-14  Jason Merrill  <jason@redhat.com>
1257         PR c++/84820 - no error for invalid qualified-id.
1258         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1259         cp_error_declarator.
1261         PR c++/84801 - ICE with unexpanded pack in lambda.
1262         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1263         lambda in non-template context.
1265         PR c++/81236 - auto variable and auto function
1266         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1267         mark_used.
1269 2018-03-14  Jason Merrill  <jason@redhat.com>
1271         PR c++/83916 - ICE with template template parameters.
1272         * pt.c (convert_template_argument): Don't substitute into type of
1273         non-type parameter if we don't have enough arg levels.
1274         (unify): Likewise.
1276 2018-03-14  Marek Polacek  <polacek@redhat.com>
1278         PR c++/84596
1279         * semantics.c (finish_static_assert): Check
1280         instantiation_dependent_expression_p instead of
1281         {type,value}_dependent_expression_p.
1283 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1284             Jason Merrill  <jason@redhat.com>
1286         PR c++/82336 - link error with list-init default argument.
1287         * decl.c (check_default_argument): Unshare an initializer list.
1289 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1291         PR c++/84843
1292         * decl.c (duplicate_decls): For redefinition of built-in, use error
1293         and return error_mark_node.  For redeclaration, return error_mark_node
1294         rather than olddecl if !flag_permissive.
1296 2018-03-13  Jason Merrill  <jason@redhat.com>
1298         PR c++/82565 - ICE with concepts and generic lambda.
1299         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1301 2018-03-13  Jason Merrill  <jason@redhat.com>
1303         PR c++/84720 - ICE with rvalue ref non-type argument.
1304         * pt.c (convert_nontype_argument): Handle rvalue references.
1306         PR c++/84839 - ICE with decltype of parameter pack.
1307         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1308         instantiating dummy parms.
1310         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1311         parameter even without -Wpedantic.
1313         PR c++/84798 - ICE with auto in abstract function declarator.
1314         * parser.c (cp_parser_parameter_declaration_clause): Check
1315         parser->default_arg_ok_p.
1317 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1319         PR c++/84808
1320         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1321         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1322         sizetype.  Formatting fixes.
1324 2018-03-12  Jason Merrill  <jason@redhat.com>
1326         PR c++/84355 - ICE with deduction for member class template.
1327         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1328         CLASS_PLACEHOLDER_TEMPLATE.
1330         PR c++/84802 - ICE capturing uninstantiated class.
1331         * lambda.c (build_capture_proxy): Call complete_type.
1333 2018-03-09  Jason Merrill  <jason@redhat.com>
1335         PR c++/84770 - ICE with typedef and parameter pack.
1336         * pt.c (verify_unstripped_args_1): Split out from
1337         verify_unstripped_args.
1339         PR c++/84785 - ICE with alias template and default targs.
1340         * pt.c (type_unification_real): Set processing_template_decl if
1341         saw_undeduced == 1.
1343         PR c++/84752 - ICE with capture of constexpr array.
1344         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1345         identity conversion under ck_lvalue.
1347 2018-03-09  Jason Merrill  <jason@redhat.com>
1348             Paolo Carlini  <paolo.carlini@oracle.com>
1350         PR c++/71169
1351         PR c++/71832
1352         * pt.c (any_erroneous_template_args_p): New.
1353         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1354         * parser.c (cp_parser_class_specifier_1): Use it.
1356 2018-03-09  Jason Merrill  <jason@redhat.com>
1358         PR c++/84726 - unnecessary capture of constant vars.
1359         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1360         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1361         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1362         * lambda.c (is_constant_capture_proxy)
1363         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1364         (prune_lambda_captures): New.
1365         (finish_lambda_function): Call prune_lambda_captures.
1367 2018-03-09  Jason Merrill  <jason@redhat.com>
1368             Jakub Jelinek  <jakub@redhat.com>
1370         PR c++/84076
1371         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1372         build ADDR_EXPR with REFERENCE_TYPE.
1373         (build_over_call): For purposes of check_function_arguments, if
1374         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1375         its operand rather than the argument itself.
1377 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1379         PR c++/84724
1380         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1381         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1382         also a note and return olddecl.
1384 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1386         PR c++/84733
1387         * name-lookup.c (do_pushdecl_with_scope): Only clear
1388         current_function_decl when pushing a non-class (i.e. namespace)
1389         scope.
1391 2018-03-08  Jason Merrill  <jason@redhat.com>
1392             Jakub Jelinek  <jakub@redhat.com>
1394         PR c++/80598
1395         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1396         not calling mark_used for the benefit of -Wunused-function warning.
1398 2018-03-06  Jason Merrill  <jason@redhat.com>
1400         * lambda.c (is_capture_proxy_with_ref): Remove.
1401         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1403 2018-03-06  Marek Polacek  <polacek@redhat.com>
1405         PR c++/84684
1406         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1407         arguments.
1409 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1411         PR c++/84231
1412         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1413         only while processing template decls.
1414         * typeck.c (build_x_conditional_expr): Move wrapping of
1415         reference type around type...
1416         * call.c (build_conditional_expr_1): ... here.  Rename
1417         is_lvalue to is_glvalue.
1418         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1419         INDIRECT_REF of COND_EXPR too.
1421         PR c++/84593
1422         * init.c (build_zero_init_1): Zero-initialize references.
1424         PR c++/84492
1425         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1426         overloads used as stmt expr values.
1428 2018-03-05  Jason Merrill  <jason@redhat.com>
1430         PR c++/84708 - ICE with lambda in local class NSDMI.
1431         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1432         context.
1434 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1436         PR c++/84684
1437         * constexpr.c (constexpr_call_hasher::equal): Return false if
1438         lhs->hash != rhs->hash.  Change return 1 to return true and
1439         return 0 to return false.
1441 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1443         PR c++/84702
1444         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1446 2018-03-05  Marek Polacek  <polacek@redhat.com>
1448         PR c++/84707
1449         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1450         UDLIT_OPER_P.
1452 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1454         PR c++/84694
1455         * friend.c (do_friend): Restore check for identifier_p inside
1456         TEMPLATE_ID_EXPR.
1458 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1460         PR c++/84618
1461         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1462         involving a VAR_DECL or a PARM_DECL.
1464 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1465             Jason  Merrill  <jason@redhat.com>
1466             Nathan Sidwell  <nathan@acm.org>
1468         PR c++/84497
1469         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1471 2018-03-03  Jason Merrill  <jason@redhat.com>
1473         PR c++/84686 - missing volatile loads.
1474         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1476 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1478         PR c++/71464
1479         * optimize.c (maybe_thunk_body): Bail out immediately if either
1480         fns[0] or fns[1] is null.
1482 2018-03-02  Marek Polacek  <polacek@redhat.com>
1484         PR c++/84578
1485         * constexpr.c (get_array_or_vector_nelts): New.
1486         (cxx_eval_array_reference): Use it.
1487         (cxx_eval_vec_init_1): Likewise.
1488         (cxx_eval_store_expression): Likewise.
1490 2018-03-02  Jason Merrill  <jason@redhat.com>
1492         * semantics.c (force_paren_expr): Remove redundant test.
1494 2018-03-02  Marek Polacek  <polacek@redhat.com>
1496         PR c++/84663
1497         * decl.c (cp_complete_array_type): Check error_mark_node.
1499         PR c++/84664
1500         * typeck.c (cp_perform_integral_promotions): Check the result of
1501         mark_rvalue_use.
1503 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1505         PR c++/84662
1506         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1507         RETURN instead of return.
1508         <case POINTER_PLUS_EXPR>: Likewise.
1509         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1510         it instead of wrapping it into CONVERT_EXPR.
1512 2018-03-02  Jason Merrill  <jason@redhat.com>
1514         Fix MIPS16 ICE.
1515         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1517 2018-03-02  Marek Polacek  <polacek@redhat.com>
1519         PR c++/84590
1520         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1521         wrapped in VIEW_CONVERT_EXPR.
1523 2018-03-01  Martin Sebor  <msebor@redhat.com>
1525         PR c++/84294
1526         * decl.c (check_redeclaration_no_default_args): Merge attributes
1527         specified on redeclarations of the same function template.
1528         Remove dead code.
1530 2018-03-01  Marek Polacek  <polacek@redhat.com>
1531             Jason Merrill  <jason@redhat.com>
1533         PR c++/84582
1534         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1535         a template.
1536         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1537         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1538         of instantiate_non_dependent_expr.
1539         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1541 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1543         PR c++/84434
1544         * name-lookup.c (member_vec_dedup): Remove manually peeled
1545         iteration.  Ignore dependent ctor inheritance.
1547 2018-03-01  Jason Merrill  <jason@redhat.com>
1549         PR c++/71569 - decltype of template.
1550         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1552 2018-03-01  Marek Polacek  <polacek@redhat.com>
1554         PR c++/84596
1555         * constexpr.c (require_rvalue_constant_expression): New function.
1556         * cp-tree.h: Declare it.
1557         * semantics.c (finish_static_assert): Use it instead of
1558         require_potential_rvalue_constant_expression.
1560 2018-03-01  Jason Merrill  <jason@redhat.com>
1561             Alexandre Oliva <aoliva@redhat.com>
1563         PR c++/71569 - ICE with redundant args on member variable template.
1564         * decl.c (start_decl): Handle partial specialization of member
1565         variable template.
1566         * pt.c (determine_specialization): Allow partial specialization
1567         of member variable template without specializing enclosing class.
1568         (process_partial_specialization): Improve error message.
1570 2018-02-28  Jason Merrill  <jason@redhat.com>
1572         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1573         * pt.c (determine_specialization): Check ref-qualifier.
1575 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1577         PR c++/84609
1578         * parser.c (cp_parser_attributes_opt): Formatting fix.
1579         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1580         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1581         New functions.
1582         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1583         instead of tentative parse to peek over optional attribute tokens
1584         to check for CPP_COLON after them.
1586         PR c++/83871
1587         PR c++/83503
1588         * pt.c (INCLUDE_STRING): Remove define.
1589         (warn_spec_missing_attributes): Use pretty_printer instead of
1590         std::string.  Fix up inform call so that the list of attributes
1591         is in %s argument.
1593 2018-02-28  Martin Sebor  <msebor@redhat.com>
1595         PR testsuite/84617
1596         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1597         and malloc.
1599 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1601         PR c++/84602
1602         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1603         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1604         regardless of want_type.
1605         (search_anon_aggr): Just use get_class_binding_direct.
1607 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1609         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1610         inform_n.
1612 2018-02-27  Martin Sebor  <msebor@redhat.com>
1614         * pt.c: Avoid including <string> directly.
1616 2018-02-27  Martin Sebor  <msebor@redhat.com>
1618         PR c++/83871
1619         PR c++/83503
1620         * cp-tree.h (warn_spec_missing_attributes): New function.
1621         ((check_explicit_specialization): Add an argument.  Call the above
1622         function.
1623         * decl.c (duplicate_decls): Avoid applying primary function template's
1624         attributes to its explicit specializations.
1625         cp/pt.c (warn_spec_missing_attributes): Define.
1627 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1629         PR c++/71546 - lambda init-capture with qualified-id.
1630         * parser.c (cp_parser_lambda_introducer): Clear scope after
1631         each lambda capture.
1633 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1635         PR c++/84426
1636         * name-lookup.h (get_member_slot): Rename ...
1637         (find_member_slot): ... here.
1638         (add_member_slot): New.
1639         * name-lookup.c (member_vec_linear_search): No need to check for
1640         NULL slot.
1641         (get_member_slot): Rename ...
1642         (find_member_slot): ... here.  Don't add slot for incomplete class.
1643         (add_member_slot): New.
1644         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1645         if push_class_level_binding fails.  Create slot and grok
1646         properties once we're committed to insertion.
1648 2018-02-27  Jason Merrill  <jason@redhat.com>
1650         PR c++/84489 - dependent default template argument
1651         * pt.c (type_unification_real): Handle early substitution failure.
1653 2018-02-26  Jason Merrill  <jason@redhat.com>
1655         PR c++/84560 - ICE capturing multi-dimensional VLA.
1656         * tree.c (array_of_runtime_bound_p): False if the element is
1657         variably-modified.
1659         PR c++/84441 - ICE with base initialized from ?:
1660         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1662         PR c++/84520 - ICE with generic lambda in NSDMI.
1663         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1664         'this' in a generic lambda instantiation.
1666         PR c++/84559 - ICE with constexpr VLA.
1667         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1668         for constexpr variable with VLA type.
1670 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1672         PR c++/84558
1673         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1674         a valid constant initializer.  Formatting fixes.
1676 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1678         PR c++/84540
1679         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1680         returning NULL_TREE.
1681         (apply_late_template_attributes): Likewise.
1683 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1685         PR c++/84557
1686         * parser.c (cp_parser_omp_var_list_no_open): Only call
1687         cp_parser_lookup_name_simple on names satisfying identifier_p.
1688         (cp_parser_oacc_routine): Likewise.
1690 2018-02-26  Jason Merrill  <jason@redhat.com>
1692         PR c++/84551 - ICE with concepts and -g.
1693         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1695 2018-02-26  Marek Polacek  <polacek@redhat.com>
1697         PR c++/84325
1698         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1699         non-types.
1701 2018-02-26  Jason Merrill  <jason@redhat.com>
1703         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1704         * call.c (build_over_call): Handle deleted functions in one place.
1706 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1708         PR c++/84533
1709         * decl.c (redeclaration_error_message): Don't try to use
1710         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1712 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1714         * lambda.c (build_capture_proxy): Define static.
1715         * cp-tree.h (build_capture_proxy): Remove.
1717 2018-02-26  Marek Polacek  <polacek@redhat.com>
1719         PR c++/84537
1720         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1721         if name is error node.
1723 2018-02-25  Jason Merrill  <jason@redhat.com>
1725         PR c++/84015 - ICE with class deduction and auto template parm.
1726         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1728 2018-02-24  Marek Polacek  <polacek@redhat.com>
1730         PR c++/83692
1731         * constexpr.c (maybe_constant_init_1): New function.
1732         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1733         (cxx_constant_init): New function.
1734         * cp-tree.h (cxx_constant_init): Declare.
1735         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1736         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1738 2018-02-22  Jason Merrill  <jason@redhat.com>
1740         PR c++/70468 - ICE with constructor delegation via typedef.
1741         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1742         with constructor delegation.
1744 2018-02-22  Jason Merrill  <jason@redhat.com>
1746         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1747         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1748         VECTOR_TYPE.
1750 2018-02-22  Marek Polacek  <polacek@redhat.com>
1752         PR c++/84493
1753         * parser.c (cp_parser_braced_list): Use require_open instead of
1754         consume_open.
1756 2018-02-21  Jason Merrill  <jason@redhat.com>
1758         PR c++/84454 - ICE with pack expansion in signature.
1759         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1761 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1763         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1764         IF_STMT.
1766 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1768         PR c++/84446
1769         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1770         on error_mark_node.
1772 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1774         PR c++/84445
1775         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1776         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1778         PR c++/84449
1779         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1780         returns error_mark_node, return it immediately.
1781         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1782         error_mark_node, return error_mark_node.
1784         PR c++/84455
1785         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1786         function_depth to avoid GC during finish_lambda_function.
1788 2018-02-19  Jason Merrill  <jason@redhat.com>
1790         PR c++/84429 - ICE capturing VLA.
1791         * lambda.c (build_capture_proxy): Handle reference refs.
1793 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1795         PR c++/84448
1796         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1797         either operand is error_mark_node, set current.lhs to that instead of
1798         creating a binary op with error_mark_node operands.
1800         PR c++/84430
1801         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1803 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1805         PR c++/84348
1806         * decl.c (grokdeclarator): Early return error_mark_node upon
1807         ill-formed friend declaration.
1809 2018-02-16  Marek Polacek  <polacek@redhat.com>
1810             Jakub Jelinek  <jakub@redhat.com>
1812         PR c++/84192
1813         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1814         set *jump_target to anything if jump_target is NULL.
1816 2018-02-16  Jason Merrill  <jason@redhat.com>
1818         PR c++/84151 - unnecessary volatile load with static member.
1819         * call.c (build_new_method_call_1): Avoid loading from a volatile
1820         lvalue used as the object argument for a static member function.
1822         PR c++/81853 - using-directive and constexpr.
1823         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
1825         PR c++/84420 - ICE with structured binding in lambda.
1826         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
1828         PR c++/83835 - C++17 error with constructor ctors.
1829         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
1831         PR c++/82664 - ICE with reference to function template parm.
1832         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
1833         NOP_EXPRs.
1835         PR c++/82764 - C++17 ICE with empty base
1836         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
1838 2018-02-16  Jason Merrill  <jason@redhat.com>
1840         PR c++/84421 - type-dependent if constexpr
1841         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
1843 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1845         Deprecate -ffriend-injection.
1846         * decl.c (cxx_init_decl_processing): Emit warning on option.
1847         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
1848         friend.
1850 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
1852         PR c++/82468
1853         * decl.c (check_special_function_return_type): Reject template
1854         template parameter in deduction guide.
1856 2018-02-16  Nathan Sidwell  <nathan@acm.org>
1858         PR c++/84375
1859         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
1861 2018-02-15  Jason Merrill  <jason@redhat.com>
1863         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
1864         * call.c (convert_like_real): Don't use the copy-list-initialization
1865         shortcut for ck_base.
1867         PR c++/84045 - ICE with typedef and noexcept.
1868         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
1870         PR c++/84376 - ICE with omitted template arguments.
1871         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
1873         PR c++/84368 - wrong error with local variable in variadic lambda.
1874         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
1875         local_specializations.
1877 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
1879         PR c++/84330
1880         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
1881         as first argument.
1883 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1885         PR c++/84350
1886         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
1887         init, early return.
1889 2018-02-14  Nathan Sidwell  <nathan@acm.org>
1891         * decl2.c (mark_vtable_entries): Set input_location to decl's.
1892         (c_parse_final_cleanups): Restore input_location after emitting
1893         vtables.
1895 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
1897         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
1898         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
1899         auto_deduction_context, tree, int): Add defaults.
1900         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
1901         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
1902         tsubst_flags_t argument.
1903         * init.c (build_new): Likewise.
1905 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
1907         PR c++/84364
1908         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
1909         about return other than *this in assignment operators if
1910         retval is type dependent expression.
1912 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
1914         PR c++/84333
1915         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
1916         save_expr for the G++ extension.
1918 2018-02-13  Jason Merrill  <jason@redhat.com>
1920         PR c++/84080 - ICE with return type deduction and specialization.
1921         * pt.c (determine_specialization): Check uses_template_parms.
1923         Fix more variadic capture issues.
1924         * pt.c (find_parameter_packs_r): Also look at explicit captures.
1925         (check_for_bare_parameter_packs): Check current_class_type for
1926         lambda context.
1927         (extract_locals_r): Handle seeing a full instantiation of a pack.
1928         (tsubst_pack_expansion): Likewise.  Force lambda capture.
1929         * parser.c (cp_parser_lambda_introducer): Don't
1930         check_for_bare_parameter_packs.
1932         PR c++/84338 - wrong variadic sizeof.
1933         * pt.c (argument_pack_select_arg): Like the macro, but look through
1934         a pack expansion.
1935         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
1936         (extract_fnparm_pack): Do make_pack_expansion.
1937         (extract_locals_r): Do strip a pack expansion.
1938         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
1940 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
1942         PR c++/84341
1943         * parser.c (cp_parser_binary_expression): Use build_min instead of
1944         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
1946 2018-02-12  Nathan Sidwell  <nathan@acm.org>
1948         PR c++/84263
1949         * parser.c (cp_parser_decltype): Push and pop
1950         deferring_access_checks.  Reorganize to avoid goto.
1952 2018-02-12  Richard Biener  <rguenther@suse.de>
1954         PR c++/84281
1955         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
1956         uniform constructors and delay allocating them fully.
1958 2018-02-09  Jason Merrill  <jason@redhat.com>
1960         PR c++/84036 - ICE with variadic capture.
1961         Handle variadic capture proxies more like non-variadic.
1962         * lambda.c (build_capture_proxy): Remove workaround.
1963         * pt.c (find_parameter_packs_r): The proxy is a pack.
1964         (instantiate_class_template_1): Remove dead lambda code.
1965         (extract_fnparm_pack): Don't make_pack_expansion.
1966         (extract_locals_r): Don't strip a pack expansion.
1967         (tsubst_pack_expansion): Handle proxy packs.  Use
1968         PACK_EXPANSION_EXTRA_ARGS less.
1969         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
1970         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
1971         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
1972         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
1973         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
1975 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
1977         PR sanitizer/83987
1978         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
1980 2018-02-09  Jason Merrill  <jason@redhat.com>
1982         PR c++/81917 - ICE with void_t and partial specialization.
1983         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
1984         calling most_specialized_partial_spec.
1986 2018-02-09  Nathan Sidwell  <nathan@acm.org>
1988         PR c/84293
1989         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
1990         Pass expr location to strict_aliasing_warning.
1992 2018-02-09  Jason Merrill  <jason@redhat.com>
1994         PR c++/84296 - ICE with qualified-id in template.
1995         PR c++/83714
1996         * pt.c (unknown_base_ref_p): New.
1997         (instantiation_dependent_scope_ref_p): Use it instead of
1998         any_dependent_bases_p.
2000 2018-02-09  Marek Polacek  <polacek@redhat.com>
2001             Jakub Jelinek  <jakub@redhat.com>
2003         PR c++/83659
2004         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2005         fold_indirect_ref_1, including poly_*int64.  Verify first that
2006         tree_fits_poly_int64_p (op01).  Formatting fixes.
2008 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2010         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2011         * lambda.c (build_capture_proxy): Likewise.
2012         * search.c (field_access_p): Likewise.
2013         * semantics.c (omp_clause_decl, omp_privatize_field,
2014         finish_omp_clauses): Likewise.
2016 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2018         PR c++/83806
2019         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2020         case of nullptr too.
2022 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2024         * class.c (finish_struct): Fix std:initializer_list diagnostic
2025         formatting.
2027 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2029         PR c++/83204
2030         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2032 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2034         PR c++/84082
2035         * parser.c (cp_parser_dot_deref_incomplete): New function.
2036         (cp_parser_postfix_dot_deref_expression): Use it.
2038 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2040         PR c++/81610
2041         PR c++/80567
2042         * name-lookup.c (suggest_rid_p): New function.
2043         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2044         suggest_rid_p.
2046 2018-02-07  Jason Merrill  <jason@redhat.com>
2048         PR c++/84182 - ICE with captured lambda
2049         PR c++/84181
2050         * pt.c (extract_locals_r, extract_local_specs): New.
2051         (tsubst_pack_expansion): Use them.
2053 2018-02-07  Martin Liska  <mliska@suse.cz>
2055         PR c++/84059.
2056         * class.c (add_method): Append argument value.
2057         * cp-tree.h (maybe_version_functions): Add new argument.
2058         * decl.c (decls_match): Call it if a declaration does not
2059         have DECL_FUNCTION_VERSIONED.
2060         (maybe_version_functions): record argument is added.
2062 2018-02-05  Marek Polacek  <polacek@redhat.com>
2064         * class.c: Remove unused global variables.
2065         (build_primary_vtable): Don't gather statistics.
2066         (print_class_statistics): Remove.
2067         * cp-tree.h (print_class_statistics): Remove.
2068         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2070 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2072         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2073         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2074         * decl.c (next_initializable_field, find_decomp_class_base,
2075         cp_finish_decomp): Likewise.
2076         * typeck2.c (process_init_constructor_record): Likewise.
2078 2018-02-02  Jason Merrill  <jason@redhat.com>
2080         PR c++/84181 - ICE with lambda parm in template argument.
2081         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2083 2018-02-01  Jason Merrill  <jason@redhat.com>
2085         PR c++/84160 - ICE with nested variadic capture.
2086         * lambda.c (is_capture_proxy_with_ref): New.
2087         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2088         COMPONENT_REF.
2089         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2090         * constexpr.c (potential_constant_expression_1): Likewise.
2091         * semantics.c (process_outer_var_ref): Likewise.
2093 2018-02-01  Marek Polacek  <polacek@redhat.com>
2095         PR c++/84125
2096         * typeck.c (build_address): Relax the assert when
2097         processing_template_decl.
2099 2018-02-01  Jason Merrill  <jason@redhat.com>
2101         PR c++/84126 - ICE with variadic generic lambda
2102         PR c++/84036
2103         PR c++/82249
2104         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2105         PACK_EXPANSION_EXTRA_ARGS.
2107 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2109         PR c++/83796
2110         * call.c (convert_like_real): If w're initializing from {} explicitly
2111         call abstract_virtuals_error_sfinae.
2113 2018-01-31  Jason Merrill  <jason@redhat.com>
2114             Jakub Jelinek  <jakub@redhat.com>
2116         PR c++/83993
2117         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2118         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2119         on ADDR_EXPR.
2121 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2123         PR c++/83993
2124         * constexpr.c (diag_array_subscript): Emit different diagnostics
2125         if TYPE_DOMAIN (arraytype) is NULL.
2126         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2127         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2129 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2131         PR c++/84092
2132         * semantics.c (finish_qualified_id_expr): When handling an
2133         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2135 2018-01-31  Marek Polacek  <polacek@redhat.com>
2137         PR c++/84138
2138         * cp-gimplify.c (cp_fold): Check if X is an error node before
2139         calling useless_type_conversion_p.
2141 2018-01-30  Jason Merrill  <jason@redhat.com>
2143         PR c++/84091 - ICE with local class in lambda in template.
2144         * decl2.c (determine_visibility): Look for outer containing template
2145         instantiation.
2147         PR c++/84098 - ICE with lambda in template NSDMI.
2148         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2150 2018-01-29  Jason Merrill  <jason@redhat.com>
2152         PR c++/68810 - wrong location for reinterpret_cast error.
2153         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2154         !dofold.
2156 2018-01-29  Marek Polacek  <polacek@redhat.com>
2158         PR c++/83996
2159         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2160         => fooarray[1] in offset_int.
2162 2018-01-29  Jason Merrill  <jason@redhat.com>
2164         PR c++/83942 - wrong unused warning with static_cast.
2165         * cvt.c (ocp_convert): Call mark_rvalue_use.
2167 2018-01-26  Jason Merrill  <jason@redhat.com>
2169         PR c++/83956 - wrong dtor error with anonymous union
2170         * method.c (walk_field_subobs): Variant members only affect
2171         deletedness.
2172         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2174         PR c++/84036 - ICE with variadic capture.
2175         PR c++/82249
2176         * pt.c (tsubst_pack_expansion): When optimizing a simple
2177         substitution, pull a single pack expansion out of its pack.
2179         PR c++/82514 - ICE with local class in generic lambda.
2180         * pt.c (regenerated_lambda_fn_p): Remove.
2181         (enclosing_instantiation_of): Don't use it.
2182         (tsubst_function_decl): Call enclosing_instantiation_of.
2184         * pt.c (lookup_template_class_1): Add sanity check.
2185         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2187 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2189         PR c++/84031
2190         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2191         recursive calls that return ret.
2192         (cp_finish_decomp): Ignore unnamed bitfields.
2194 2018-01-23  Jason Merrill  <jason@redhat.com>
2196         PR c++/82249 - wrong mismatched pack length error.
2197         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2198         unsubstituted function parameter pack.
2200 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2202         PR c++/83921
2203         * decl.c (check_for_uninitialized_const_var): Not static; add
2204         bool and tsubst_flags_t parameters; adjust to be used both in
2205         constexpr context and not.
2206         * constexpr.c (potential_constant_expression_1): Use the above.
2207         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2209 2018-01-23  Jason Merrill  <jason@redhat.com>
2211         PR c++/83947 - ICE with auto declarations.
2212         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2213         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2215 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2217         PR c++/83974
2218         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2219         for pointer to member function types.
2221 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2223         PR sanitizer/83987
2224         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2225         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2227 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2229         PR c++/83988
2230         * pt.c (tsubst_baselink): Remove optype assert.
2231         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2233 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2235         PR c++/83958
2236         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2237         refers to incomplete type.
2239 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2241         Deprecate ARM-era for scope handling
2242         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2243         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2244         cleared.
2245         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2246         cleanup handling.
2247         * semantics.c (begin_for_scope): Flag_new_for_scope is
2248         boolean-like.
2249         (finish_for_stmt, begin_range_for_stmt): Likewise.
2251 2018-01-22  Jason Merrill  <jason@redhat.com>
2253         PR c++/83720
2254         * decl2.c (determine_visibility): Fix template_decl handling
2255         instead of blocking it.
2257         PR c++/83720 - ICE with lambda and LTO.
2258         * decl2.c (determine_visibility): Clear template_decl for
2259         function-scope decls.  Propagate anonymous linkage from containing
2260         function.
2262 2018-01-22  Marek Polacek  <polacek@redhat.com>
2264         PR c++/81933
2265         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2266         split out anything.
2268 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2270         PR c++/83895
2271         * decl.c (grokdeclarator): Don't diagnose extra parens
2272         on typedefs.
2274 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2276         PR c++/81167
2277         * call.c (joust): Use TREE_TYPE (source) if source is
2278         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2280         PR c++/83919
2281         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2282         for direct enum init.
2283         * decl.c (reshape_init): Likewise.
2285 2018-01-19  Marek Polacek  <polacek@redhat.com>
2287         * constexpr.c (fold_simple): Simplify.
2289 2018-01-18  Jason Merrill  <jason@redhat.com>
2291         PR c++/83714
2292         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2293         * pt.c (instantiation_dependent_scope_ref_p): True if
2294         any_dependent_bases_p.
2296 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2298         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2299         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2301 2018-01-18  Jason Merrill  <jason@redhat.com>
2303         PR c++/82461 - constexpr list-initialized member
2304         * constexpr.c (potential_constant_expression_1): Check
2305         TARGET_EXPR_DIRECT_INIT_P.
2307 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2309         PR c++/81013
2310         * decl.c (xref_basetypes): Early return upon error about derived
2311         union.
2313 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2315         PR c++/83160
2316         * cp-tree.h (mark_use): Declare.
2317         * expr.c (mark_use): Make extern.
2318         * call.c (direct_reference_binding): Set inner conv's
2319         rvaluedness_matches_p, if it is an identity.
2320         (convert_like_real): Mark lvalue or rvalue use for identity as
2321         rvaledness_matches_p demands.
2323 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2325         PR c++/83824
2326         * parser.c (attr_chainon): New function.
2327         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2328         cp_parser_namespace_definition, cp_parser_init_declarator,
2329         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2330         cp_parser_gnu_attributes_opt): Use it.
2331         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2332         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2333         prefix_attributes if attributes is error_mark_node.
2335 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2337         PR c++/78344
2338         * decl.c (grokdeclarator): Do not append the error_mark_node
2339         due to an erroneous optional attribute-specifier-seq.
2341 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2343         PR c++/83897
2344         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2345         CLEANUP_POINT_EXPR.
2347 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2349         PR c++/81054
2350         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2351         error_mark_node when we give an error.
2352         * decl.c (cp_finish_decl): Use the latter.
2354 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2356         PR c++/83287
2357         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2359 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2361         PR c++/83814
2362         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2363         the C++ part.  If processing a template, call
2364         fold_non_dependent_expr rather than fully folding.
2366 2018-01-17  Jason Merrill  <jason@redhat.com>
2368         PR c++/81067 - redundant NULL warning.
2369         * call.c (convert_like_real): Restore null_node handling.
2371 2018-01-17  Jason Merrill  <jason@redhat.com>
2373         PR c++/81843 - ICE with variadic member template.
2374         PR c++/72801
2375         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2376         template args.
2378 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2380         PR c++/83799
2381         * pt.c (type_dependent_expression_p): Strip any location wrapper
2382         before testing tree codes.
2383         (selftest::test_type_dependent_expression_p): New function.
2384         (selftest::cp_pt_c_tests): Call it.
2386 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2388         PR c++/83739
2389         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2390         this not a final instantiation.
2392 2018-01-16  Jason Merrill  <jason@redhat.com>
2394         PR c++/83714 - ICE checking return in template.
2395         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2397 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2399         PR c++/83817
2400         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2401         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2402         instead of CALL_FROM_THUNK_P.
2404         PR c++/83825
2405         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2406         (resort_type_member_vec, set_class_bindings,
2407         insert_late_enum_def_bindings): Use vec qsort method instead of
2408         calling qsort directly.
2410 2018-01-15  Martin Sebor  <msebor@redhat.com>
2412         PR c++/83588
2413         * class.c (find_flexarrays): Make a record of multiple flexible array
2414         members.
2416 2018-01-12  Jason Merrill  <jason@redhat.com>
2418         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2419         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2421 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2423         * cp-tree.h (mark_rvalue_use): Add parm name.
2424         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2425         mark_rvalue_use.
2426         * call.c (convert_like_real): Fix formatting.
2428 2018-01-11  Jason Merrill  <jason@redhat.com>
2430         PR c++/82728 - wrong -Wunused-but-set-variable
2431         PR c++/82799
2432         PR c++/83690
2433         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2434         * decl.c (case_conversion): Likewise.
2435         * semantics.c (finish_static_assert): Call
2436         perform_implicit_conversion_flags.
2438 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2440         * method.c (enum mangling_flags): Delete long-dead enum.
2442 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2444         * parser.c (cp_parser_std_attribute_spec): When
2445         token_pair::require_open / require_close return false simply
2446         return error_mark_node, avoid duplicate cp_parser_error about
2447         expected '(' / ')', respectively.
2449 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2451         PR c++/43486
2452         * call.c (null_ptr_cst_p): Strip location wrappers when
2453         converting from '0' to a pointer type in C++11 onwards.
2454         (conversion_null_warnings): Replace comparison with null_node with
2455         call to null_node_p.
2456         (build_over_call): Likewise.
2457         * cp-gimplify.c (cp_fold): Remove the early bailout when
2458         processing_template_decl.
2459         * cp-lang.c (selftest::run_cp_tests): Call
2460         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2461         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2462         (selftest::run_cp_tests): Move decl to bottom of file.
2463         (null_node_p): New inline function.
2464         (selftest::cp_pt_c_tests): New decl.
2465         (selftest::cp_tree_c_tests): New decl.
2466         * cvt.c (build_expr_type_conversion): Replace comparison with
2467         null_node with call to null_node_p.
2468         * error.c (args_to_string): Likewise.
2469         * except.c (build_throw): Likewise.
2470         * mangle.c (write_expression): Skip location wrapper nodes.
2471         * parser.c (literal_integer_zerop): New function.
2472         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2473         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2474         param of cp_parser_parenthesized_expression_list.  When calling
2475         warn_for_memset, replace integer_zerop calls with
2476         literal_integer_zerop, eliminating the double logical negation
2477         cast to bool.  Eliminate the special-casing for CONST_DECL in
2478         favor of the fold_for_warn within warn_for_memset.
2479         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2480         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2481         maybe_add_location_wrapper on it when wrap_locations_p is true.
2482         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2483         the result for RID_ALIGNOF and RID_SIZEOF.
2484         (cp_parser_builtin_offsetof): Likewise.
2485         * pt.c: Include "selftest.h".
2486         (tsubst_copy): Handle location wrappers.
2487         (tsubst_copy_and_build): Likewise.
2488         (build_non_dependent_expr): Likewise.
2489         (selftest::test_build_non_dependent_expr): New function.
2490         (selftest::cp_pt_c_tests): New function.
2491         * tree.c: Include "selftest.h".
2492         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2493         (selftest::test_lvalue_kind): New function.
2494         (selftest::cp_tree_c_tests): New function.
2495         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2496         (cp_build_binary_op): Replace comparison with null_node with call
2497         to null_node_p.
2498         (build_address): Use location of operand when building address
2499         expression.
2501 2018-01-10  Marek Polacek  <polacek@redhat.com>
2503         PR c++/82541
2504         * call.c (build_conditional_expr_1): Check complain before warning.
2505         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2506         -Wduplicated-branches.
2508 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2510         PR c++/81327
2511         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2512         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2513         args uses and check number of operands too.  Don't strip away any
2514         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2515         Deal with src argument not having pointer type.  Check
2516         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2517         test.
2518         (build_over_call): Call maybe_warn_class_memaccess here on the
2519         original arguments.
2520         (build_cxx_call): Rather than here on converted arguments.
2522 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2524         PR c++/81055
2525         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2526         error_mark_node as second argument.
2528 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2530         PR c++/83734
2531         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2532         in STATEMENT_LIST.  Remove unneeded assert.
2534 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2535             Alan Hayward  <alan.hayward@arm.com>
2536             David Sherwood  <david.sherwood@arm.com>
2538         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2539         VECTOR_CST_NELTS.
2540         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2541         * call.c (build_conditional_expr_1): Likewise.
2542         * decl.c (cp_finish_decomp): Likewise.
2543         * mangle.c (write_type): Likewise.
2544         * typeck.c (structural_comptypes): Likewise.
2545         (cp_build_binary_op): Likewise.
2546         * typeck2.c (process_init_constructor_array): Likewise.
2548 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2550         PR c++/83555
2551         * typeck.c (build_static_cast_1): For static casts to reference types,
2552         call build_base_path with flag_delete_null_pointer_checks as nonnull
2553         instead of always false.  When -fsanitize=null, call
2554         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2555         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2556         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2558 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2560         PR c++/83667
2561         * method.c (make_alias_for): Copy DECL_CONTEXT.
2563 2018-01-03  Marek Polacek  <polacek@redhat.com>
2565         PR c++/83592
2566         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2568 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2570         PR preprocessor/83602
2571         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2572         for builtin macros.
2574         PR c++/83634
2575         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2576         error_mark_node, return error_mark_node.
2578         Update copyright years.
2580 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2582         PR c++/83556
2583         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2584         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2585         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2586         to false and return.
2587         (replace_placeholders): Pass NULL instead of &pset as last argument
2588         to cp_walk_tree.
2590 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2592         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2593         lval var.
2595 Copyright (C) 2018 Free Software Foundation, Inc.
2597 Copying and distribution of this file, with or without modification,
2598 are permitted in any medium without royalty provided the copyright
2599 notice and this notice are preserved.