PR c++/85952
[official-gcc.git] / gcc / cp / ChangeLog
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1 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
3         PR c++/85952
4         * init.c (build_aggr_init): For structured binding initialized from
5         array call mark_rvalue_use on the initializer.
7 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
9         * decl2.c (start_static_storage_duration_function): Use
10         splay_tree_delete_pointers.
12 2018-05-25  Jason Merrill  <jason@redhat.com>
14         PR c++/85815 - reference to member of enclosing template.
15         * search.c (lookup_base): Use currently_open_class.
16         (lookup_member): Use it regardless of -fconcepts.
17         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
19         CWG 616, 1213 - value category of subobject references.
20         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
22 2018-05-24  Jason Merrill  <jason@redhat.com>
24         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
25         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
26         generic lambda.
28 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
30         Pedwarn on a non-standard position of a C++ attribute.
31         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
32         after the namespace name.
34 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
36         * cp-tree.h (INDIRECT_TYPE_P): New.
37         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
38         joust): Use it instead of POINTER_TYPE_P.
39         * class.c (update_vtable_entry_for_fn, find_flexarrays,
40         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
41         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
42         * cxx_eval_increment_expression, potential_constant_expression_1):
43         Likewise.
44         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
45         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
46         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
47         cp_ubsan_maybe_instrument_downcast): Likewise.
48         * cvt.c (cp_convert_to_pointer, ocp_convert,
49         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
50         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
51         pp_cxx_offsetof_expression_1): Likewise.
52         * decl.c (grokparms, static_fn_type): Likewise.
53         * decl2.c (grokbitfield): Likewise.
54         * error.c (dump_expr): Likewise.
55         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
56         * init.c (warn_placement_new_too_small): Likewise.
57         * lambda.c (build_capture_proxy, add_capture): Likewise.
58         * parser.c (cp_parser_omp_for_loop): Likewise.
59         * pt.c (convert_nontype_argument, fn_type_unification,
60         uses_deducible_template_parms, check_cv_quals_for_unify,
61         dependent_type_p_r): Likewise.
62         * search.c (check_final_overrider): Likewise.
63         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
64         finish_omp_for): Likewise.
65         * tree.c (cp_build_qualified_type_real): Likewise.
66         * typeck.c (build_class_member_access_expr,
67         finish_class_member_access_expr, build_x_indirect_ref,
68         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
69         Likewise.
71 2018-05-24  Jason Merrill  <jason@redhat.com>
73         PR c++/85864 - literal template and default template arg.
74         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
76 2018-05-24  Marek Polacek  <polacek@redhat.com>
78         PR c++/85847
79         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
80         variable for its result.  Fix a condition.
81         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
83 2018-05-23  Jason Merrill  <jason@redhat.com>
85         Fix cast to rvalue reference from prvalue.
86         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
87         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
88         non-class type.  Handle xvalue argument.
89         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
90         rvalue reference.
91         * semantics.c (finish_compound_literal): Do direct-initialization,
92         not cast, to initialize a reference.
94         CWG 616, 1213 - value category of subobject references.
95         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
96         an xvalue.
97         * typeck2.c (build_m_component_ref): Likewise.
98         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
99         distinction between temporary and xvalue.
101 2018-05-23  Marek Polacek  <polacek@redhat.com>
103         Implement P0614R1, Range-based for statements with initializer.
104         * parser.c (cp_parser_range_based_for_with_init_p): New.
105         (cp_parser_init_statement): Use it.  Parse the optional init-statement
106         for a range-based for loop.
107         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
109 2018-05-22  Jason Merrill  <jason@redhat.com>
111         PR c++/81420 - not extending temporary lifetime.
112         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
113         * class.c (build_base_path): Avoid redundant move of an rvalue.
115         PR c++/85866 - error with .* in default template arg.
116         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
118 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
120         * parser.c (cp_parser_parameter_declaration_list): Remove
121         bool* parameter.
122         (cp_parser_parameter_declaration_clause): Adjust.
123         (cp_parser_cache_defarg): Likewise.
125 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
127         PR c++/84588
128         * parser.c (cp_parser_maybe_commit_to_declaration,
129         cp_parser_check_condition_declarator): New.
130         (cp_parser_simple_declaration): Use the first above.
131         (cp_parser_condition): Use both the above; enforce
132         [stmt.stmt]/2 about the declarator not specifying
133         a function or an array; improve error-recovery.
135 2018-05-20  Jason Merrill  <jason@redhat.com>
137         PR libstdc++/85843 - warning in logic_error copy constructor.
138         * class.c (type_has_user_nondefault_constructor): Check for a
139         user-provided ctor, not user-declared.
141 2018-05-19  Jason Merrill  <jason@redhat.com>
143         * pt.c (tsubst_pack_expansion): Sorry rather than abort
144         on __integer_pack as subexpression of pattern.
146 2018-05-18  Jason Merrill  <jason@redhat.com>
148         PR c++/58407 - deprecated implicit copy ops.
149         * call.c (build_over_call): Warn about deprecated trivial fns.
150         * class.c (classtype_has_user_copy_or_dtor): New.
151         (type_build_ctor_call): Check TREE_DEPRECATED.
152         (type_build_dtor_call): Likewise.
153         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
154         Add checks.  Return bool.  Handle -Wdeprecated-copy.
155         (mark_used): Use it.
156         * decl.c (grokdeclarator): Remove redundant checks.
157         * typeck2.c (build_functional_cast): Likewise.
158         * method.c (lazily_declare_fn): Mark deprecated copy ops.
159         * init.c (build_aggr_init): Only set TREE_USED if there are
160         side-effects.
162 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
164         PR c++/85782
165         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
166         OACC_LOOPs.
168 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
170         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
171         (potential_constant_expression_1): Likewise.
173 2018-05-16  Marek Polacek  <polacek@redhat.com>
175         PR c++/85363
176         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
177         * tree.c (bot_manip): Call set_flags_from_callee for
178         AGGR_INIT_EXPRs too.
180 2018-05-15  Jason Merrill  <jason@redhat.com>
182         * cp-tree.h (cp_expr): Remove copy constructor.
183         * mangle.c (struct releasing_vec): Declare copy constructor.
185         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
187         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
188         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
189         is a throw-expression.
191 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
193         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
194         (FOR_EACH_CLONE): Update.
195         * decl.c (grokdeclarator): Use it.
196         * decl2.c (vague_linkage_p): Likewise.
197         * mangle.c (mangle_decl): Likewise.
198         * method.c (lazily_declare_fn): Likewise.
199         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
200         * repo.c (repo_emit_p): Likewise.
201         * tree.c (decl_linkage): Likewise.
203 2018-05-14  Jason Merrill  <jason@redhat.com>
205         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
206         * tree.c (build_cp_fntype_variant): New.
207         (build_ref_qualified_type, build_exception_variant)
208         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
209         (cxx_type_hash_eq, cp_check_qualified_type): Check
210         TYPE_HAS_LATE_RETURN_TYPE.
211         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
212         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
213         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
214         (adjust_clone_args): Likewise.
215         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
216         build_cp_fntype_variant.
217         (grokdeclarator): Pass late_return_type_p to grokfndecl.
218         (check_function_type): Use cxx_copy_lang_qualifiers.
219         (static_fn_type): Use cxx_copy_lang_qualifiers.
220         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
221         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
222         (change_return_type): Use cxx_copy_lang_qualifiers.
223         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
224         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
225         return type on the declarator like a normal trailing return type.
226         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
227         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
228         * typeck.c (merge_types): Use build_cp_fntype_variant.
230 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
232         * cp-tree.h (TYPE_REF_P): New.
233         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
234         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
235         direct_reference_binding, reference_binding, implicit_conversion,
236         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
237         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
238         build_over_call, perform_implicit_conversion_flags,
239         extend_ref_init_temps, type_has_extended_temps): Use it.
240         * class.c (one_inheriting_sig, check_field_decls,
241         check_bases_and_members, find_flexarrays, finish_struct,
242         fixed_type_or_null): Likewise.
243         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
244         non_const_var_error, cxx_eval_constant_expression,
245         potential_constant_expression_1): Likewise.
246         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
247         cp_genericize_r, cxx_omp_privatize_by_reference,
248         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
249         cp_fold_maybe_rvalue): Likewise.
250         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
251         * cvt.c (build_up_reference, convert_to_reference,
252         convert_from_reference, convert_to_void, noexcept_conv_p,
253         fnptr_conv_p): Likewise.
254         * decl.c (poplevel, check_for_uninitialized_const_var,
255         check_initializer, initialize_local_var, cp_finish_decl,
256         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
257         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
258         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
259         decl_maybe_constant_var_p): Likewise.
260         * error.c (dump_type_prefix, dump_expr): Likewise.
261         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
262         is_admissible_throw_operand_or_catch_parameter): Likewise.
263         * expr.c (mark_use): Likewise.
264         * init.c (build_zero_init_1, build_value_init_noctor,
265         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
266         build_new, build_delete): Likewise.
267         * lambda.c (build_lambda_object): Likewise.
268         * mangle.c (write_expression, write_template_arg): Likewise.
269         * method.c (forward_parm, do_build_copy_constructor,
270         do_build_copy_assign, build_stub_object, constructible_expr,
271         walk_field_subobs): Likewise.
272         * parser.c (cp_parser_omp_for_loop_init,
273         cp_parser_omp_declare_reduction_exprs,
274         cp_parser_omp_declare_reduction): Likewise.
275         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
276         convert_template_argument, tsubst_pack_expansion,
277         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
278         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
279         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
280         value_dependent_expression_p, build_deduction_guide): Likewise.
281         * semantics.c (finish_handler_parms, finish_non_static_data_member,
282         finish_compound_literal, omp_privatize_field,
283         handle_omp_array_sections_1, handle_omp_array_sections,
284         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
285         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
286         finish_omp_clauses, finish_decltype_type, capture_decltype,
287         finish_builtin_launder): Likewise.
288         * tree.c (lvalue_kind, cp_build_reference_type, move,
289         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
290         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
291         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
292         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
293         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
294         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
295         convert_for_initialization,
296         maybe_warn_about_returning_address_of_local, check_return_expr,
297         cp_type_quals, casts_away_constness, non_reference): Likewise.
298         * typeck2.c (cxx_readonly_error, store_init_value,
299         process_init_constructor_record, build_x_arrow, build_functional_cast,
300         add_exception_specifier): Likewise.
302 2018-05-14  Jason Merrill  <jason@redhat.com>
304         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
305         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
307 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
309         PR c/85696
310         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
311         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
312         cxx_omp_predetermined_sharing_1.  Rename old function to ...
313         (cxx_omp_predetermined_sharing_1): ... this.
314         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
315         instead of cxx_omp_predetermined_sharing.
317 2018-05-10  Jason Merrill  <jason@redhat.com>
319         * decl.c (cp_finish_decl): Don't instantiate auto variable.
320         (check_static_variable_definition): Allow auto.
321         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
323         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
324         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
326         Core issue 2310 - conversion to base of incomplete type.
327         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
329         CWG 2267 - list-initialization of reference temporary
330         * call.c (reference_binding): List-initializing a reference
331         temporary is copy-list-initialization.
333         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
335         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
336         instantiation in template context.
338         * class.c (vbase_has_user_provided_move_assign): Use
339         user_provided_p.
341         * lambda.c (lambda_expr_this_capture): Improve logic.
343         * decl.c (make_typename_type): s/parameters/arguments/.
344         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
345         * pt.c (make_pack_expansion): Correct error message.
347 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
349         PR c++/85662
350         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
351         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
352         fold_convert.
354 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
356         PR c++/85400
357         * decl2.c (adjust_var_decl_tls_model): New static function.
358         (comdat_linkage): Call it on a variable.
359         (maybe_make_one_only): Likewise.
361 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
363         PR c++/85713
364         Revert:
365         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
367         PR c++/84588
368         * parser.c (cp_parser_parameter_declaration_list): When the
369         entire parameter-declaration-list is erroneous maybe call
370         abort_fully_implicit_template.
372 2018-05-08  Jason Merrill  <jason@redhat.com>
374         PR c++/85706 - class deduction under decltype
375         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
376         *walk_subtrees whether or not we walked into the operand.
377         (type_uses_auto): Only look at deduced contexts.
379 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
381         PR c++/84588
382         * parser.c (cp_parser_parameter_declaration_list): When the
383         entire parameter-declaration-list is erroneous maybe call
384         abort_fully_implicit_template.
386 2018-05-08  Marek Polacek  <polacek@redhat.com>
388         PR c++/85695
389         * semantics.c (finish_if_stmt_cond): See through typedefs.
391 2018-05-07  Jason Merrill  <jason@redhat.com>
393         PR c++/85646 - lambda visibility.
394         * decl2.c (determine_visibility): Don't mess with template arguments
395         from the containing scope.
396         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
397         thunk.
399 2018-05-07  Nathan Sidwell  <nathan@acm.org>
401         Remove fno-for-scope
402         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
403         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
404         (SET_DECL_SHADOWED_FOR_VAR): Delete.
405         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
406         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
407         Don't declare.
408         * name-lookup.h (struct cp_binding_level): Remove
409         dead_vars_from_for field.
410         * cp-lang.c (cp_init_ts): Delete.
411         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
412         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
413         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
414         (init_shadowed_var_for_decl): Delete.
415         * decl.c (poplevel): Remove shadowed for var handling.
416         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
417         * name-lookup.c (find_local_binding): Remove shadowed for var
418         handling.
419         (check_local_shadow): Likewise.
420         (check_for_out_of_scope_variable): Delete.
421         * parser.c (cp_parser_primary_expression): Remove shadowed for var
422         handling.
423         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
424         * semantics.c (begin_for_scope): Always have a scope.
425         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
426         (begin_range_for_stmt, finish_id_expression): Likewise.
428 2018-05-07  Jason Merrill  <jason@redhat.com>
430         PR c++/85618 - ICE with initialized VLA.
431         * tree.c (vla_type_p): New.
432         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
433         rather than array_of_runtime_bound_p.
435 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
437         * cvt.c (ocp_convert): Early handle the special case of a
438         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
440 2018-05-03  Jason Merrill  <jason@redhat.com>
442         PR c++/85600 - virtual delete failure.
443         * init.c (build_delete): Always save_expr when deleting.
445 2018-05-03  Nathan Sidwell  <nathan@acm.org>
447         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
448         * name-lookup.c (do_pushdecl): Likewise.
450 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
451             Jason Merrill  <jason@redhat.com>
453         PR c++/68374
454         * name-lookup.c (check_local_shadow): Don't handle static old
455         declarations in the block handling locals shadowing locals.
457 2018-05-01  Jason Merrill  <jason@redhat.com>
459         PR c++/85587 - error with scoped enum in template.
460         * semantics.c (finish_qualified_id_expr): Don't return an
461         unqualified IDENTIFIER_NODE.
463 2018-04-30  Jason Merrill  <jason@redhat.com>
465         PR c++/85580 - extern "C" and local variables
466         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
468         PR c++/84701 - unsigned typeof.
469         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
470         of long/short/signed/unsigned.
472         PR c++/85305 - pack in lambda init-capture.
473         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
474         check_for_bare_parameter_packs in a subexpression.
475         (cp_parser_lambda_introducer): Use it.
477         PR c++/61982 - dead stores to destroyed objects.
478         * call.c (build_trivial_dtor_call): New, assigns a clobber.
479         (build_over_call, build_special_member_call): Use it.
480         * cp-tree.h: Declare it.
481         * init.c (build_delete): Remove trivial path.
483         * init.c (build_dtor_call): Use build_special_member_call.
484         (build_delete): Remove redundant uses of save_addr.
486         * decl.c (build_clobber_this): Use build_clobber.
488 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
490         PR c++/85553
491         * init.c (build_zero_init_1): For zero initialization of
492         NULLPTR_TYPE_P type use build_int_cst directly.
494 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
496         PR c++/85515
497         * name-lookup.c (consider_binding_level): Skip compiler-generated
498         variables.
499         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
500         nested if statements into a series of rejection tests.  Reject
501         lambda-ignored entities as suggestions.
503 2018-04-27  Jason Merrill  <jason@redhat.com>
505         * cvt.c (cp_fold_convert): Use convert_ptrmem.
506         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
508 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
510         PR c++/84691
511         * decl.c (grokdeclarator): Clear friendp upon definition in local
512         class definition error.
514 2018-04-27  Jason Merrill  <jason@redhat.com>
516         PR c++/85545 - ICE with noexcept PMF conversion.
517         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
518         build_ptrmemfunc.
519         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
520         adjustment.
521         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
523 2018-04-27  Nathan Sidwell  <nathan@acm.org>
525         * typeck.c (convert_ptrmem): Move local var decls to initialization.
527         * cp-tree.h (TEMPLATE_INFO): Fix comments.
528         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
529         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
530         (dump, print_other_binding_stacks): Remove declarations.
531         * name-lookup.c (print_other_binding_stack): Make static.
532         * pt.c (build_template_decl): Make static.
534 2018-04-26  Jason Merrill  <jason@redhat.com>
536         PR c++/85545 - ICE with noexcept PMF conversion.
537         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
539 2018-04-25  Nathan Sidwell  <nathan@acm.org>
541         PR c++/85437
542         PR c++/49171
543         * cp-tree.h (REINTERPRET_CAST_P): New.
544         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
545         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
546         for non-trivial PTRMEM_CST cases.
547         * typeck.c (build_nop_reinterpret): New.
548         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
549         NOP_EXPRs returned by cp_convert.
551 2018-04-23  Jason Merrill  <jason@redhat.com>
553         PR c++/69560 - wrong alignof(double) on x86.
554         CWG 1879 - Inadequate definition of alignment requirement.
555         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
556         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
557         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
558         (cxx_alignof_expr): Pass it.
559         * parser.c (cp_parser_unary_expression): Pass it.
560         * pt.c (tsubst_copy): Copy it.
561         (tsubst_copy_and_build): Pass it.
562         * decl.c (fold_sizeof_expr): Pass it.
564 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
565             Jason Merrill  <jason@redhat.com>
567         PR c++/85470 - wrong error with static data member.
568         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
569         * typeck2.c (store_init_value): Likewise.
571 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
573         PR c++/85462
574         * cp-tree.h (tinst_level): Remove in_system_header_p member,
575         change refcount member from unsigned char to unsigned short,
576         add refcount_infinity static data member, adjust comments.
577         * pt.c (tinst_level::refcount_infinity): Define.
578         (inc_refcount_use): Remove assert, don't increment if refcount
579         is already refcount_infinity, adjust comment.
580         (dec_refcount_use): Remove assert, don't decrement if refcount
581         is refcount_infinity, adjust comment.
582         (push_tinst_level_loc): Formatting fix.
584 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
586         PR c++/84611
587         * pt.c (lookup_template_class_1): Check pushtag return value for
588         error_mark_node.
590 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
592         PR c++/80290
593         * cp-tree.h (tinst_level::free): Fix whitespace.
595 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
597         PR c++/84630
598         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
599         for error_mark_node.
601 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
603         PR c++/84463
604         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
605         tricks from here to ...
606         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
607         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
609 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
611         PR c++/80290
612         * cp-tree.h (struct tinst_level): Split decl into tldcl and
613         targs.  Add private split_list_p, tree_list_p, and not_list_p
614         inline const predicates; to_list private member function
615         declaration; free public member function declaration; list_p,
616         get_node and maybe_get_node accessors, and refcount data
617         member.  Narrow errors to unsigned short.
618         * error.c (print_instantiation_full_context): Use new
619         accessors.
620         (print_instantiation_partial_context_line): Likewise.  Drop
621         const from tinst_level-typed parameter.
622         * mangle.c (mangle_decl_string): Likewise.
623         * pt.c (freelist): New template class.
624         (tree_list_freelist_head): New var.
625         (tree_list_freelist): New fn, along with specializations.
626         (tinst_level_freelist_head): New var.
627         (pending_template_freelist_head): Likewise.
628         (tinst_level_freelist, pending_template_freelist): New fns.
629         (tinst_level::to_list, tinst_level::free): Define.
630         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
631         (set_refcount_ptr): New template fn.
632         (add_pending_template): Adjust for refcounting, freelists and
633         new accessors.
634         (neglectable_inst_p): Take a NULL d as a non-DECL.
635         (limit_bad_template_recursion): Use new accessors.
636         (push_tinst_level): New overload to create the list.
637         (push_tinst_level_loc): Make it static, split decl into two
638         args, adjust tests and initialization to cope with split
639         lists, use freelist, adjust for refcounting.
640         (push_tinst_level_loc): New wrapper with the old interface.
641         (pop_tinst_level): Adjust for refcounting.
642         (record_last_problematic_instantiation): Likewise.
643         (reopen_tinst_level): Likewise.  Use new accessors.
644         (instantiate_alias_template): Adjust for split list.
645         (fn_type_unification): Likewise.
646         (get_partial_spec_bindings): Likewise.
647         (instantiate_pending_templates): Use new accessors.  Adjust
648         for refcount.  Release pending_template to freelist.
649         (instantiating_current_function_p): Use new accessors.
651 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
653         PR c++/85039
654         * parser.c (cp_parser_builtin_offset): Reject type definitions.
655         * mangle.c (nested_anon_class_index): Avoid crash returning -1
656         if we've seen errors.
658 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
660         PR c++/85385
661         * name-lookup.c (macro_use_before_def::maybe_make): New function,
662         checking that the use is indeed before the definition.
663         (macro_use_before_def::macro_use_before_def): Make private.
664         (macro_use_before_def::~macro_use_before_def): Make private.  Move
665         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
666         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
667         than using new directly.
669 2018-04-12  Jason Merrill  <jason@redhat.com>
671         PR c++/85356 - ICE with pointer to member function.
672         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
673         flag_noexcept_type.  Build the new spec within the function context.
674         * except.c (build_noexcept_spec): Do get constant value in templates
675         if flag_noexcept_type.
676         * decl.c (check_redeclaration_exception_specification): Don't
677         instantiate noexcept on a dependent declaration.
679 2018-04-12  Marek Polacek  <polacek@redhat.com>
681         PR c++/85258
682         * constexpr.c (reduced_constant_expression_p): Return false for null
683         trees.
685 2018-04-11  Marek Polacek  <polacek@redhat.com>
687         PR c++/85032
688         * constexpr.c (potential_constant_expression_1): Consider conversions
689         from classes to literal types potentially constant.
691 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
693         PR c++/70808
694         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
695         the type like TYPE_PTR_OR_PTRMEM_P.
697 2018-04-10  Jason Merrill  <jason@redhat.com>
699         PR debug/65821 - wrong location for main().
700         * call.c (clear_location_r, convert_default_arg): Revert.
701         * tree.c (break_out_target_exprs): Add clear_location parm.
702         (struct bot_data): New.
703         (bot_manip): Clear location if requested.
704         * init.c (get_nsdmi): Pass clear_location.
706 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
708         PR c++/85110
709         * call.c (get_fndecl_argument_location): Make non-static.
710         * cp-tree.h (get_fndecl_argument_location): New decl.
711         * typeck.c (convert_for_assignment): When complaining due to
712         conversions for an argument, show the location of the parameter
713         within the decl.
715 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
717         PR c++/85312 - P0962 cleanup
718         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
719         diagnostics.
721 2018-04-10  Jason Merrill  <jason@redhat.com>
723         PR debug/65821 - wrong location for main().
724         * call.c (clear_location_r): New.
725         (convert_default_arg): Use it.
726         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
728         PR c++/85285 - ICE with flexible array after substitution.
729         * pt.c (instantiate_class_template_1): Check for flexible array in
730         union.
732 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
734         PR c++/85227
735         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
736         issue a pedwarn and defer trying to do bindings.
738 2018-04-09  Jason Merrill  <jason@redhat.com>
740         PR c++/85279 - dump_expr doesn't understand decltype.
741         * error.c (dump_expr): Handle DECLTYPE_TYPE.
743         PR c++/85262 - ICE with redundant qualification on constructor.
744         * call.c (build_new_method_call_1): Move make_args_non_dependent
745         after A::A() handling.
747         PR c++/85277 - ICE with invalid offsetof.
748         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
749         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
751         PR c++/85264 - ICE with excess template-parameter-list.
752         * parser.c (cp_parser_check_template_parameters): Add template_id_p
753         parameter.  Don't allow an extra template header if true.
754         (cp_parser_class_head): Pass template_id_p.
755         (cp_parser_elaborated_type_specifier): Likewise.
756         (cp_parser_alias_declaration): Likewise.
757         (cp_parser_check_declarator_template_parameters): Likewise.
759 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
761         PR c++/85194
762         * parser.c (cp_parser_simple_declaration): For structured bindings,
763         if *maybe_range_for_decl is NULL after parsing it, set it to
764         error_mark_node.
766 2018-04-09  Jason Merrill  <jason@redhat.com>
768         PR c++/85256 - ICE capturing pointer to VLA.
769         * lambda.c (add_capture): Distinguish between variable-size and
770         variably-modified types.
772 2018-04-06  Jason Merrill  <jason@redhat.com>
774         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
775         * pt.c (extract_locals_r): Remember local typedefs.
777 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
779         PR c++/84269
780         * name-lookup.c (struct std_name_hint): Move out of
781         get_std_name_hint; add field "min_dialect".
782         (get_std_name_hint): Add min_dialect values to all initializers.
783         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
784         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
785         <shared_mutex>, <string_view>, <thread>, and <variant>.
786         Add fstream, ifstream, and ofstream to <fstream>.
787         Add istringstream, ostringstream, and stringstream to <sstream>.
788         Add basic_string to <string>.
789         Add tuple_element and tuple_size to <tuple>.
790         Add declval to <utility>.
791         Fix ordering of <queue> and <tuple>.
792         Return a std_name_hint, rather than a const char *.
793         (get_cxx_dialect_name): New function.
794         (maybe_suggest_missing_std_header): Detect names that aren't yet
795         available in the current dialect, and instead of suggesting a
796         missing #include, warn about the dialect.
798 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
800         PR c++/85210
801         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
802         errorcount is set if tsubst doesn't return a VAR_DECL.
804 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
806         PR c++/85021
807         * name-lookup.c (using_directives_contain_std_p): New function.
808         (has_using_namespace_std_directive_p): New function.
809         (suggest_alternatives_for): Simplify if/else logic using early
810         returns.  If no candidates were found, and there's a
811         "using namespace std;" directive, call
812         maybe_suggest_missing_std_header.
813         (maybe_suggest_missing_header): Split later part of the function
814         into..
815         (maybe_suggest_missing_std_header): New.
817 2018-04-06  Jason Merrill  <jason@redhat.com>
819         PR c++/85242 - ICE with class definition in template parm.
820         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
821         processing_template_parmlist.
823         PR c++/85240 - LTO ICE with using of undeduced auto fn.
824         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
826 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
828         PR c++/85209
829         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
830         is not prev, if prev == decl.
832         PR c++/85208
833         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
834         maybe_apply_pragma_weak here...
835         (cp_maybe_mangle_decomp): ... but call it here instead.
837 2018-04-05  Jason Merrill  <jason@redhat.com>
839         PR c++/85136 - ICE with designated init in template.
840         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
841         designated initializer.
842         (check_array_designated_initializer): Update ce->index with the
843         constant value.
845         PR c++/83808 - ICE with VLA initialization.
846         * typeck2.c (process_init_constructor_array): Don't require a VLA
847         initializer to have VLA type.
849 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
851         PR c++/80956
852         * call.c (convert_like_real): Fail gracefully for a broken
853         std::initializer_list, missing a definition.
855         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
857 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
859         PR c++/84792
860         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
861         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
863 2018-04-05  Jason Merrill  <jason@redhat.com>
865         PR c++/82152 - ICE with class deduction and inherited ctor.
866         * pt.c (do_class_deduction): Ignore inherited ctors.
868         PR c++/84665 - ICE with array of empty class.
869         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
871         PR c++/85228 - ICE with lambda in enumerator in template.
872         * pt.c (bt_instantiate_type_proc): Don't assume
873         CLASSTYPE_TEMPLATE_INFO is non-null.
875 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
877         Implement P0969
878         * decl.c (find_decomp_class_base): Check accessibility instead
879         of declared access, adjust diagnostic.
881 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
883         Implement P0961
884         * decl.c (get_tuple_decomp_init): Check the templatedness
885         of a member get.
887 2018-04-05  Jason Merrill  <jason@redhat.com>
889         PR c++/85200 - ICE with constexpr if in generic lambda.
890         * pt.c (extract_locals_r): Don't record the local specs of variables
891         declared within the pattern.
893 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
895         PR c++/84979
896         * pt.c (check_auto_in_tmpl_args): New.
897         (tsubst_qualified_id): Use it to reject template args
898         referencing auto for non-type templates.
899         * parser.c (cp_parser_template_id): Likewise.
900         * cp-tree.h (check_auto_in_tmpl_args): Declare.
901         * typeck2.c (build_functional_cast): Report correct location
902         for invalid use of auto.
904 2018-04-04  Jason Merrill  <jason@redhat.com>
906         PR c++/85215 - ICE with copy-init from conversion.
907         * call.c (merge_conversion_sequences): Fix type of direct binding
908         sequence.
910         PR c++/84938 - ICE with division by ~-1.
911         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
913         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
914         * parser.c (cp_parser_mem_initializer_list): Call
915         check_for_bare_parameter_packs.
917 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
919         PR inline-asm/85172
920         * constexpr.c (cxx_eval_builtin_function_call): For calls to
921         builtin_valid_in_constant_expr_p functions, don't call
922         cxx_eval_constant_expression if argument is not
923         potential_constant_expression.
925         PR c++/85146
926         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
927         argument.
928         * semantics.c (calculate_bases): Add complain argument.  Use
929         complete_type_or_maybe_complain instead of just complete_type and
930         return an empty vector if it fails.  Move make_tree_vector () call
931         after early return.  Formatting fixes.
932         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
933         end.
934         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
935         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
936         calculate_direct_bases callers, formatting fixes.
938 2018-04-04  Jason Merrill  <jason@redhat.com>
940         PR c++/85006 - -fconcepts ICE with A<auto...> return type
941         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
943         PR c++/85200 - ICE with constexpr if in generic lambda.
944         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
946         PR c++/84221 - bogus -Wunused with attribute and template.
947         * decl2.c (is_late_template_attribute): Handle unused and used
948         normally on non-TYPE_DECL.
950         PR c++/85135 - ICE with omitted template arguments.
951         * decl.c (grokdeclarator): Catch deduced class type in trailing
952         return type.
954         PR c++/85133 - ICE with missing concept initializer.
955         * decl.c (cp_finish_decl): If a concept initializer is missing, use
956         true.
958         PR c++/85118 - wrong error with generic lambda and std::bind.
959         * call.c (add_template_conv_candidate): Disable if there are any
960         call operators.
962         PR c++/85141 - ICE with compound assignment and static member fn.
963         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
964         compound assignment.
966         PR c++/85148 - ICE with 'this' in array NSDMI.
967         * tree.c (replace_placeholders_r): Use handled_component_p.
969 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
971         PR c++/65923
972         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
973         * parser.c (cp_parser_unqualified_id): ..not here.
975 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
977         PR c++/84943
978         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
979         used.
980         * decl2.c (mark_used): Return without effects if tf_conv.
982 2018-04-03  Jason Merrill  <jason@redhat.com>
984         PR c++/85092 - C++17 ICE with unused list constructor.
985         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
986         from a TARGET_EXPR.
988         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
989         * constexpr.c (cxx_eval_builtin_function_call): Only defer
990         __builtin_constant_p if ctx->quiet.
992 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
994         PR c++/84768
995         * pt.c (rewrite_template_parm): If the first argument is
996         error_mark_node return it immediately.
997         (build_deduction_guide): Check the return value of the
998         latter for error_mark_node.
999         (do_class_deduction): Check the return value of the latter.
1001 2018-04-03  Jason Merrill  <jason@redhat.com>
1003         * semantics.c (finish_if_stmt_cond): Use
1004         instantiation_dependent_expression_p.
1006         PR c++/85149 - generic lambda and constexpr if.
1007         * pt.c (build_extra_args, add_extra_args): Split from
1008         tsubst_pack_expansion.
1009         (tsubst_expr) [IF_STMT]: Use them.
1010         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1012         * typeck.c (merge_types): Limit matching attribute shortcut to
1013         the default case.
1015 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1017         PR c++/85147
1018         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1020         PR c++/85140
1021         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1022         is error_mark_node.
1024         PR c++/85134
1025         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1026         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1027         instead for static data members clear init and set DECL_EXTERNAL.
1029 2018-04-02  Jason Merrill  <jason@redhat.com>
1031         PR c++/64095 - auto... parameter pack.
1032         * parser.c (cp_parser_parameter_declaration): Handle turning autos
1033         into packs here.
1034         (cp_parser_parameter_declaration_list): Not here.
1036 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1038         PR c++/85027
1039         * class.c (instantiate_type): Peel off SAVE_EXPR before
1040         BASELINK.
1042 2018-03-30  Jason Merrill  <jason@redhat.com>
1044         * typeck2.c (process_init_constructor_record): Use
1045         init_list_type_node for the CONSTRUCTOR around an anonymous union
1046         designated initializer.
1048 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
1050         PR c++/84791
1051         * semantics.c (finish_omp_reduction_clause): If
1052         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1053         even if processing_template_decl.
1055 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1057         PR c++/84269
1058         * name-lookup.c (get_std_name_hint): Add names from <memory>,
1059         <tuple>, and <utility>.
1061 2018-03-29  Jason Merrill  <jason@redhat.com>
1063         PR c++/85093 - too many template args with pack expansion.
1064         * pt.c (coerce_template_parms): Keep pack expansion args that will
1065         need to be empty.
1067 2018-03-29  Jason Merrill  <jason@redhat.com>
1069         * pt.c (build_non_dependent_expr): Propagate expr location.
1071 2018-03-27  Jason Merrill  <jason@redhat.com>
1073         PR c++/85060 - wrong-code with call to base member in template.
1074         * search.c (any_dependent_bases_p): Check uses_template_parms
1075         rather than processing_template_decl.
1077 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1079         PR c++/85110
1080         * typeck.c (convert_for_assignment): When complaining due to
1081         conversions for an argument, attempt to use the location of the
1082         argument.
1084 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1086         PR c++/85028
1087         * pt.c (tsubst_default_argument): Early return if the type of the
1088         parameter is erroneous.
1090 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1092         PR c++/84973
1093         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1094         templates.
1096         PR c++/84968
1097         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1099 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1101         PR c++/85067
1102         * method.c (defaulted_late_check): Partially revert r253321 changes,
1103         do not early return upon error.
1105 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1107         PR c++/85077
1108         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1109         type call fold to generate VECTOR_CSTs when possible.
1111         PR c++/85076
1112         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1113         return it right away.
1115 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1117         * search.c (check_final_overrider): Use inform instead of error
1118         for the diagnostics of the overridden functions.  Tweak wording.
1120 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1122         PR c++/85068
1123         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1124         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1126 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1127             Jason Merrill  <jason@redhat.com>
1129         PR c++/84632
1130         * init.c (build_aggr_init): When initializing from array,
1131         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1132         (build_vec_init): Handle separately ARRAY_TYPEs.
1134 2018-03-26  Jason Merrill  <jason@redhat.com>
1136         PR c++/85062 - ICE with alignas in wrong place.
1137         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1138         here.
1140         PR c++/85049 - ICE with __integer_pack.
1141         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1142         * cp-tree.h (TEMPLATE_PARM_P): New.
1144 2018-03-23  Jason Merrill  <jason@redhat.com>
1146         PR c++/78489 - wrong SFINAE behavior.
1148         PR c++/84489
1149         * pt.c (type_unification_real): Don't defer substitution failure.
1151 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1153         PR c++/85015
1154         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1155         result.
1157         PR c++/84942
1158         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1159         cp_build_unary_op call with gcc_unreachable ().
1161 2018-03-23  Marek Polacek  <polacek@redhat.com>
1163         PR c++/85045
1164         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1165         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1166         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1168 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1170         Implement P0962
1171         * parser.c (cp_parser_perform_range_for_lookup): Change
1172         the condition for deciding whether to use members.
1174 2018-03-23  Marek Polacek  <polacek@redhat.com>
1176         PR c++/85033
1177         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1179 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1181         PR c++/71251
1182         * parser.c (cp_parser_alias_declaration): Call
1183         parser_check_template_parameters.
1185         PR c++/84789
1186         * pt.c (resolve_typename_type): Drop assert that stopped
1187         simplification to template-independent types.  Add assert to
1188         verify the initial scope is template dependent.
1189         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1190         Reparse the id expression as a type-name, not a declarator.
1192         PR c++/84729
1193         * init.c (build_vec_init): Error at parenthesized array init.
1195         PR c++/84610
1196         PR c++/84642
1197         PR c++/84942
1198         * cp-tree.h (temp_override): New template class, generalizing
1199         a cleanup that was only used...
1200         * parser.c (cp_parser_parameter_declaration_clause):
1201         ... here for auto_is_implicit_function_template_parm_p.
1202         (cp_parser_gnu_attributes_opt): Use it here as well.
1203         (cp_parser_std_attribute): Likewise.
1205 2018-03-22  Marek Polacek  <polacek@redhat.com>
1207         PR c++/84854
1208         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1209         is boolean.
1211 2018-03-21  Jason Merrill  <jason@redhat.com>
1213         PR c++/81311 - wrong C++17 overload resolution.
1214         * call.c (build_user_type_conversion_1): Remove C++17 code.
1215         (conv_binds_ref_to_prvalue): New.
1216         (build_over_call): Handle C++17 copy elision.
1217         (build_special_member_call): Only do C++17 copy elision here if the
1218         argument is already the right type.
1220 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1222         PR c++/71965
1223         * init.c (build_vec_init): Silence error, former sorry,
1224         without tf_error.
1226         PR c++/84610
1227         PR c++/84642
1228         * parser.c (abort_fully_implicit_template_p): New.
1229         (cp_parser_skip_to_end_of_statement): Use it.
1230         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1231         (finish_fully_implicit_template_p): Clear
1232         implicit_template_parms and implicit_template_scope.
1234 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1236         PR c++/84972
1237         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1238         error_mark_node when check_array_designated_initializer fails.
1240 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1242         PR c++/84961
1243         * cp-tree.h (genericize_compound_lvalue): Declare.
1244         * typeck.c (genericize_compound_lvalue): New function.
1245         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1246         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1247         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1248         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1249         COMPOUND_EXPR operand.
1251 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1253         PR c++/85008
1254         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1255         * decl2.c (vague_linkage_p): Likewise.
1257 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1259         PR c++/84994
1260         * constexpr.c (constexpr_fn_retval): Make non-"static".
1261         * cp-tree.h (constexpr_fn_retval): New decl.
1262         * search.c (direct_accessor_p): Update leading comment.
1263         (reference_accessor_p): Likewise.
1264         (field_accessor_p): Replace check that function body is a
1265         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1266         indentation of "field_type" decl.
1268 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1270         PR c++/84804
1271         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1272         complete classes.
1274 2018-03-21  Martin Sebor  <msebor@redhat.com>
1276         PR c++/84850
1277         * call.c (first_non_public_field): New template and function.
1278         (first_non_trivial_field): New function.
1279         (maybe_warn_class_memaccess): Call them.
1281 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1283         PR c++/84892
1284         * search.c (field_accessor_p): Use class_of_this_parm rather than
1285         type_of_this_parm, to check that "this" is a "const T *", rather
1286         than a "T *const".
1288 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1290         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1291         other than public non-static data members.
1292         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1293         parenthesized initializer.
1295         PR c++/84836
1296         * name-lookup.c (update_binding): Correct logic for local binding
1297         update.
1299 2018-03-21  Marek Polacek  <polacek@redhat.com>
1301         PR c++/71638, ICE with NSDMI and reference.
1302         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1303         even when we replace an element.
1305 2018-03-20  Marek Polacek  <polacek@redhat.com>
1307         PR c++/84978, ICE with NRVO.
1308         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1309         a RESULT_DECL isn't in the hash map.
1311 2018-03-20  Jason Merrill  <jason@redhat.com>
1313         PR c++/84978, ICE with NRVO.
1314         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1315         (cp_get_callee_fndecl_nofold): New.
1316         * cp-gimplify.c (cp_genericize_r): Use it instead.
1317         * call.c (check_self_delegation): Likewise.
1319 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1321         PR c++/84962
1322         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1323         member_vec, if there is one.
1325         PR c++/84970
1326         * cp-tree.h (lookup_list_keep): Declare.
1327         * tree.c (lookup_list_keep): New, broken out of ...
1328         (build_min): ... here.  Call it.
1329         * decl.c (cp_finish_decl): Call lookup_list_keep.
1331 2018-03-19  Jason Merrill  <jason@redhat.com>
1333         PR c++/84937 - ICE with class deduction and auto.
1334         * pt.c (rewrite_template_parm): Fix auto handling.
1336 2018-03-19  Marek Polacek  <polacek@redhat.com>
1338         PR c++/84925
1339         * pt.c (enclosing_instantiation_of): Check if fn is null.
1341         PR c++/84927
1342         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1343         as we evaluate the elements.
1344         (cxx_eval_constant_expression): Verify constructor's flags
1345         unconditionally.
1347 2018-03-19  Jason Merrill  <jason@redhat.com>
1349         PR c++/71834 - template-id with too few arguments.
1350         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1352 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1354         PR c++/84835
1355         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1356         * pt.c (build_template_decl): Propagate language linkage.
1358         PR c++/84812
1359         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1360         ambiguous lookups.
1362 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1364         PR c/84910
1365         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1366         diagnostics.
1367         * method.c (synthesize_method): Likewise.
1368         * pt.c (convert_nontype_argument): Likewise.
1370 2018-03-16  Jason Merrill  <jason@redhat.com>
1372         PR c++/84720 - ICE with rvalue ref non-type argument.
1373         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1374         (convert_nontype_argument): Revert earlier change.
1376         PR c++/80227 - SFINAE and negative array size.
1377         * decl.c (compute_array_index_type): Use
1378         build_converted_constant_expr and valid_constant_size_p.
1380         PR c++/84906 - silent wrong code with ambiguous conversion.
1381         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1382         ambiguous conversion.
1383         (convert_like_real): Check it.
1385         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1386         * call.c (build_special_member_call): Don't convert an init-list
1387         argument directly to the class type.
1389 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1391         PR c++/79937
1392         PR c++/82410
1393         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1394         (find_placeholder): Declare.
1395         * tree.c (struct replace_placeholders_t): Add exp member.
1396         (replace_placeholders_r): Don't walk into ctors with
1397         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1398         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1399         (replace_placeholders): Initialize data.exp.
1400         (find_placeholders_r, find_placeholders): New functions.
1401         * typeck2.c (process_init_constructor_record,
1402         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1403         if adding NSDMI on which find_placeholder returns true.
1404         * call.c (build_over_call): Don't call replace_placeholders here.
1405         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1406         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1407         TARGET_EXPR_INITIAL.
1408         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1409         ctor.
1411 2018-03-16  Jason Merrill  <jason@redhat.com>
1413         PR c++/83911 - ICE with multiversioned constructor.
1414         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1415         dispatchere here.
1416         * call.c (build_over_call): Not here.
1418 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1420         PR c++/84874
1421         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1422         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1424 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1426         PR c++/84222
1427         * cp-tree.h (cp_warn_deprecated_use): Declare.
1428         * tree.c (cp_warn_deprecated_use): New function.
1429         * typeck2.c (build_functional_cast): Use it.
1430         * decl.c (grokparms): Likewise.
1431         (grokdeclarator): Likewise.  Temporarily push nested class scope
1432         around grokparms call for out of class member definitions.
1434 2018-03-14  Jason Merrill  <jason@redhat.com>
1436         PR c++/84820 - no error for invalid qualified-id.
1437         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1438         cp_error_declarator.
1440         PR c++/84801 - ICE with unexpanded pack in lambda.
1441         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1442         lambda in non-template context.
1444         PR c++/81236 - auto variable and auto function
1445         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1446         mark_used.
1448 2018-03-14  Jason Merrill  <jason@redhat.com>
1450         PR c++/83916 - ICE with template template parameters.
1451         * pt.c (convert_template_argument): Don't substitute into type of
1452         non-type parameter if we don't have enough arg levels.
1453         (unify): Likewise.
1455 2018-03-14  Marek Polacek  <polacek@redhat.com>
1457         PR c++/84596
1458         * semantics.c (finish_static_assert): Check
1459         instantiation_dependent_expression_p instead of
1460         {type,value}_dependent_expression_p.
1462 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1463             Jason Merrill  <jason@redhat.com>
1465         PR c++/82336 - link error with list-init default argument.
1466         * decl.c (check_default_argument): Unshare an initializer list.
1468 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1470         PR c++/84843
1471         * decl.c (duplicate_decls): For redefinition of built-in, use error
1472         and return error_mark_node.  For redeclaration, return error_mark_node
1473         rather than olddecl if !flag_permissive.
1475 2018-03-13  Jason Merrill  <jason@redhat.com>
1477         PR c++/82565 - ICE with concepts and generic lambda.
1478         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1480 2018-03-13  Jason Merrill  <jason@redhat.com>
1482         PR c++/84720 - ICE with rvalue ref non-type argument.
1483         * pt.c (convert_nontype_argument): Handle rvalue references.
1485         PR c++/84839 - ICE with decltype of parameter pack.
1486         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1487         instantiating dummy parms.
1489         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1490         parameter even without -Wpedantic.
1492         PR c++/84798 - ICE with auto in abstract function declarator.
1493         * parser.c (cp_parser_parameter_declaration_clause): Check
1494         parser->default_arg_ok_p.
1496 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1498         PR c++/84808
1499         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1500         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1501         sizetype.  Formatting fixes.
1503 2018-03-12  Jason Merrill  <jason@redhat.com>
1505         PR c++/84355 - ICE with deduction for member class template.
1506         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1507         CLASS_PLACEHOLDER_TEMPLATE.
1509         PR c++/84802 - ICE capturing uninstantiated class.
1510         * lambda.c (build_capture_proxy): Call complete_type.
1512 2018-03-09  Jason Merrill  <jason@redhat.com>
1514         PR c++/84770 - ICE with typedef and parameter pack.
1515         * pt.c (verify_unstripped_args_1): Split out from
1516         verify_unstripped_args.
1518         PR c++/84785 - ICE with alias template and default targs.
1519         * pt.c (type_unification_real): Set processing_template_decl if
1520         saw_undeduced == 1.
1522         PR c++/84752 - ICE with capture of constexpr array.
1523         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1524         identity conversion under ck_lvalue.
1526 2018-03-09  Jason Merrill  <jason@redhat.com>
1527             Paolo Carlini  <paolo.carlini@oracle.com>
1529         PR c++/71169
1530         PR c++/71832
1531         * pt.c (any_erroneous_template_args_p): New.
1532         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1533         * parser.c (cp_parser_class_specifier_1): Use it.
1535 2018-03-09  Jason Merrill  <jason@redhat.com>
1537         PR c++/84726 - unnecessary capture of constant vars.
1538         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1539         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1540         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1541         * lambda.c (is_constant_capture_proxy)
1542         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1543         (prune_lambda_captures): New.
1544         (finish_lambda_function): Call prune_lambda_captures.
1546 2018-03-09  Jason Merrill  <jason@redhat.com>
1547             Jakub Jelinek  <jakub@redhat.com>
1549         PR c++/84076
1550         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1551         build ADDR_EXPR with REFERENCE_TYPE.
1552         (build_over_call): For purposes of check_function_arguments, if
1553         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1554         its operand rather than the argument itself.
1556 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1558         PR c++/84724
1559         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1560         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1561         also a note and return olddecl.
1563 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1565         PR c++/84733
1566         * name-lookup.c (do_pushdecl_with_scope): Only clear
1567         current_function_decl when pushing a non-class (i.e. namespace)
1568         scope.
1570 2018-03-08  Jason Merrill  <jason@redhat.com>
1571             Jakub Jelinek  <jakub@redhat.com>
1573         PR c++/80598
1574         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1575         not calling mark_used for the benefit of -Wunused-function warning.
1577 2018-03-06  Jason Merrill  <jason@redhat.com>
1579         * lambda.c (is_capture_proxy_with_ref): Remove.
1580         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1582 2018-03-06  Marek Polacek  <polacek@redhat.com>
1584         PR c++/84684
1585         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1586         arguments.
1588 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1590         PR c++/84231
1591         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1592         only while processing template decls.
1593         * typeck.c (build_x_conditional_expr): Move wrapping of
1594         reference type around type...
1595         * call.c (build_conditional_expr_1): ... here.  Rename
1596         is_lvalue to is_glvalue.
1597         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1598         INDIRECT_REF of COND_EXPR too.
1600         PR c++/84593
1601         * init.c (build_zero_init_1): Zero-initialize references.
1603         PR c++/84492
1604         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1605         overloads used as stmt expr values.
1607 2018-03-05  Jason Merrill  <jason@redhat.com>
1609         PR c++/84708 - ICE with lambda in local class NSDMI.
1610         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1611         context.
1613 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1615         PR c++/84684
1616         * constexpr.c (constexpr_call_hasher::equal): Return false if
1617         lhs->hash != rhs->hash.  Change return 1 to return true and
1618         return 0 to return false.
1620 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1622         PR c++/84702
1623         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1625 2018-03-05  Marek Polacek  <polacek@redhat.com>
1627         PR c++/84707
1628         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1629         UDLIT_OPER_P.
1631 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1633         PR c++/84694
1634         * friend.c (do_friend): Restore check for identifier_p inside
1635         TEMPLATE_ID_EXPR.
1637 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1639         PR c++/84618
1640         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1641         involving a VAR_DECL or a PARM_DECL.
1643 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1644             Jason  Merrill  <jason@redhat.com>
1645             Nathan Sidwell  <nathan@acm.org>
1647         PR c++/84497
1648         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1650 2018-03-03  Jason Merrill  <jason@redhat.com>
1652         PR c++/84686 - missing volatile loads.
1653         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1655 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1657         PR c++/71464
1658         * optimize.c (maybe_thunk_body): Bail out immediately if either
1659         fns[0] or fns[1] is null.
1661 2018-03-02  Marek Polacek  <polacek@redhat.com>
1663         PR c++/84578
1664         * constexpr.c (get_array_or_vector_nelts): New.
1665         (cxx_eval_array_reference): Use it.
1666         (cxx_eval_vec_init_1): Likewise.
1667         (cxx_eval_store_expression): Likewise.
1669 2018-03-02  Jason Merrill  <jason@redhat.com>
1671         * semantics.c (force_paren_expr): Remove redundant test.
1673 2018-03-02  Marek Polacek  <polacek@redhat.com>
1675         PR c++/84663
1676         * decl.c (cp_complete_array_type): Check error_mark_node.
1678         PR c++/84664
1679         * typeck.c (cp_perform_integral_promotions): Check the result of
1680         mark_rvalue_use.
1682 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1684         PR c++/84662
1685         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1686         RETURN instead of return.
1687         <case POINTER_PLUS_EXPR>: Likewise.
1688         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1689         it instead of wrapping it into CONVERT_EXPR.
1691 2018-03-02  Jason Merrill  <jason@redhat.com>
1693         Fix MIPS16 ICE.
1694         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1696 2018-03-02  Marek Polacek  <polacek@redhat.com>
1698         PR c++/84590
1699         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1700         wrapped in VIEW_CONVERT_EXPR.
1702 2018-03-01  Martin Sebor  <msebor@redhat.com>
1704         PR c++/84294
1705         * decl.c (check_redeclaration_no_default_args): Merge attributes
1706         specified on redeclarations of the same function template.
1707         Remove dead code.
1709 2018-03-01  Marek Polacek  <polacek@redhat.com>
1710             Jason Merrill  <jason@redhat.com>
1712         PR c++/84582
1713         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1714         a template.
1715         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1716         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1717         of instantiate_non_dependent_expr.
1718         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1720 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1722         PR c++/84434
1723         * name-lookup.c (member_vec_dedup): Remove manually peeled
1724         iteration.  Ignore dependent ctor inheritance.
1726 2018-03-01  Jason Merrill  <jason@redhat.com>
1728         PR c++/71569 - decltype of template.
1729         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1731 2018-03-01  Marek Polacek  <polacek@redhat.com>
1733         PR c++/84596
1734         * constexpr.c (require_rvalue_constant_expression): New function.
1735         * cp-tree.h: Declare it.
1736         * semantics.c (finish_static_assert): Use it instead of
1737         require_potential_rvalue_constant_expression.
1739 2018-03-01  Jason Merrill  <jason@redhat.com>
1740             Alexandre Oliva <aoliva@redhat.com>
1742         PR c++/71569 - ICE with redundant args on member variable template.
1743         * decl.c (start_decl): Handle partial specialization of member
1744         variable template.
1745         * pt.c (determine_specialization): Allow partial specialization
1746         of member variable template without specializing enclosing class.
1747         (process_partial_specialization): Improve error message.
1749 2018-02-28  Jason Merrill  <jason@redhat.com>
1751         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1752         * pt.c (determine_specialization): Check ref-qualifier.
1754 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1756         PR c++/84609
1757         * parser.c (cp_parser_attributes_opt): Formatting fix.
1758         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1759         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1760         New functions.
1761         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1762         instead of tentative parse to peek over optional attribute tokens
1763         to check for CPP_COLON after them.
1765         PR c++/83871
1766         PR c++/83503
1767         * pt.c (INCLUDE_STRING): Remove define.
1768         (warn_spec_missing_attributes): Use pretty_printer instead of
1769         std::string.  Fix up inform call so that the list of attributes
1770         is in %s argument.
1772 2018-02-28  Martin Sebor  <msebor@redhat.com>
1774         PR testsuite/84617
1775         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1776         and malloc.
1778 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1780         PR c++/84602
1781         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1782         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1783         regardless of want_type.
1784         (search_anon_aggr): Just use get_class_binding_direct.
1786 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1788         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1789         inform_n.
1791 2018-02-27  Martin Sebor  <msebor@redhat.com>
1793         * pt.c: Avoid including <string> directly.
1795 2018-02-27  Martin Sebor  <msebor@redhat.com>
1797         PR c++/83871
1798         PR c++/83503
1799         * cp-tree.h (warn_spec_missing_attributes): New function.
1800         ((check_explicit_specialization): Add an argument.  Call the above
1801         function.
1802         * decl.c (duplicate_decls): Avoid applying primary function template's
1803         attributes to its explicit specializations.
1804         cp/pt.c (warn_spec_missing_attributes): Define.
1806 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1808         PR c++/71546 - lambda init-capture with qualified-id.
1809         * parser.c (cp_parser_lambda_introducer): Clear scope after
1810         each lambda capture.
1812 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1814         PR c++/84426
1815         * name-lookup.h (get_member_slot): Rename ...
1816         (find_member_slot): ... here.
1817         (add_member_slot): New.
1818         * name-lookup.c (member_vec_linear_search): No need to check for
1819         NULL slot.
1820         (get_member_slot): Rename ...
1821         (find_member_slot): ... here.  Don't add slot for incomplete class.
1822         (add_member_slot): New.
1823         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1824         if push_class_level_binding fails.  Create slot and grok
1825         properties once we're committed to insertion.
1827 2018-02-27  Jason Merrill  <jason@redhat.com>
1829         PR c++/84489 - dependent default template argument
1830         * pt.c (type_unification_real): Handle early substitution failure.
1832 2018-02-26  Jason Merrill  <jason@redhat.com>
1834         PR c++/84560 - ICE capturing multi-dimensional VLA.
1835         * tree.c (array_of_runtime_bound_p): False if the element is
1836         variably-modified.
1838         PR c++/84441 - ICE with base initialized from ?:
1839         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1841         PR c++/84520 - ICE with generic lambda in NSDMI.
1842         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1843         'this' in a generic lambda instantiation.
1845         PR c++/84559 - ICE with constexpr VLA.
1846         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1847         for constexpr variable with VLA type.
1849 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1851         PR c++/84558
1852         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1853         a valid constant initializer.  Formatting fixes.
1855 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1857         PR c++/84540
1858         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1859         returning NULL_TREE.
1860         (apply_late_template_attributes): Likewise.
1862 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1864         PR c++/84557
1865         * parser.c (cp_parser_omp_var_list_no_open): Only call
1866         cp_parser_lookup_name_simple on names satisfying identifier_p.
1867         (cp_parser_oacc_routine): Likewise.
1869 2018-02-26  Jason Merrill  <jason@redhat.com>
1871         PR c++/84551 - ICE with concepts and -g.
1872         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
1874 2018-02-26  Marek Polacek  <polacek@redhat.com>
1876         PR c++/84325
1877         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
1878         non-types.
1880 2018-02-26  Jason Merrill  <jason@redhat.com>
1882         PR c++/84447 - ICE with deleted inherited ctor with default arg.
1883         * call.c (build_over_call): Handle deleted functions in one place.
1885 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1887         PR c++/84533
1888         * decl.c (redeclaration_error_message): Don't try to use
1889         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
1891 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1893         * lambda.c (build_capture_proxy): Define static.
1894         * cp-tree.h (build_capture_proxy): Remove.
1896 2018-02-26  Marek Polacek  <polacek@redhat.com>
1898         PR c++/84537
1899         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
1900         if name is error node.
1902 2018-02-25  Jason Merrill  <jason@redhat.com>
1904         PR c++/84015 - ICE with class deduction and auto template parm.
1905         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
1907 2018-02-24  Marek Polacek  <polacek@redhat.com>
1909         PR c++/83692
1910         * constexpr.c (maybe_constant_init_1): New function.
1911         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
1912         (cxx_constant_init): New function.
1913         * cp-tree.h (cxx_constant_init): Declare.
1914         * typeck2.c (store_init_value): Call cxx_constant_init instead of
1915         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
1917 2018-02-22  Jason Merrill  <jason@redhat.com>
1919         PR c++/70468 - ICE with constructor delegation via typedef.
1920         * pt.c (tsubst_initializer_list): Check for other mem-initializers
1921         with constructor delegation.
1923 2018-02-22  Jason Merrill  <jason@redhat.com>
1925         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
1926         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
1927         VECTOR_TYPE.
1929 2018-02-22  Marek Polacek  <polacek@redhat.com>
1931         PR c++/84493
1932         * parser.c (cp_parser_braced_list): Use require_open instead of
1933         consume_open.
1935 2018-02-21  Jason Merrill  <jason@redhat.com>
1937         PR c++/84454 - ICE with pack expansion in signature.
1938         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
1940 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
1942         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
1943         IF_STMT.
1945 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
1947         PR c++/84446
1948         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
1949         on error_mark_node.
1951 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
1953         PR c++/84445
1954         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
1955         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
1957         PR c++/84449
1958         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
1959         returns error_mark_node, return it immediately.
1960         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
1961         error_mark_node, return error_mark_node.
1963         PR c++/84455
1964         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
1965         function_depth to avoid GC during finish_lambda_function.
1967 2018-02-19  Jason Merrill  <jason@redhat.com>
1969         PR c++/84429 - ICE capturing VLA.
1970         * lambda.c (build_capture_proxy): Handle reference refs.
1972 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
1974         PR c++/84448
1975         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
1976         either operand is error_mark_node, set current.lhs to that instead of
1977         creating a binary op with error_mark_node operands.
1979         PR c++/84430
1980         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
1982 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
1984         PR c++/84348
1985         * decl.c (grokdeclarator): Early return error_mark_node upon
1986         ill-formed friend declaration.
1988 2018-02-16  Marek Polacek  <polacek@redhat.com>
1989             Jakub Jelinek  <jakub@redhat.com>
1991         PR c++/84192
1992         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
1993         set *jump_target to anything if jump_target is NULL.
1995 2018-02-16  Jason Merrill  <jason@redhat.com>
1997         PR c++/84151 - unnecessary volatile load with static member.
1998         * call.c (build_new_method_call_1): Avoid loading from a volatile
1999         lvalue used as the object argument for a static member function.
2001         PR c++/81853 - using-directive and constexpr.
2002         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2004         PR c++/84420 - ICE with structured binding in lambda.
2005         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2007         PR c++/83835 - C++17 error with constructor ctors.
2008         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2010         PR c++/82664 - ICE with reference to function template parm.
2011         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2012         NOP_EXPRs.
2014         PR c++/82764 - C++17 ICE with empty base
2015         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2017 2018-02-16  Jason Merrill  <jason@redhat.com>
2019         PR c++/84421 - type-dependent if constexpr
2020         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2022 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2024         Deprecate -ffriend-injection.
2025         * decl.c (cxx_init_decl_processing): Emit warning on option.
2026         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2027         friend.
2029 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2031         PR c++/82468
2032         * decl.c (check_special_function_return_type): Reject template
2033         template parameter in deduction guide.
2035 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2037         PR c++/84375
2038         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2040 2018-02-15  Jason Merrill  <jason@redhat.com>
2042         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2043         * call.c (convert_like_real): Don't use the copy-list-initialization
2044         shortcut for ck_base.
2046         PR c++/84045 - ICE with typedef and noexcept.
2047         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2049         PR c++/84376 - ICE with omitted template arguments.
2050         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2052         PR c++/84368 - wrong error with local variable in variadic lambda.
2053         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2054         local_specializations.
2056 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
2058         PR c++/84330
2059         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2060         as first argument.
2062 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2064         PR c++/84350
2065         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2066         init, early return.
2068 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2070         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2071         (c_parse_final_cleanups): Restore input_location after emitting
2072         vtables.
2074 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2076         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2077         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2078         auto_deduction_context, tree, int): Add defaults.
2079         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2080         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2081         tsubst_flags_t argument.
2082         * init.c (build_new): Likewise.
2084 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2086         PR c++/84364
2087         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2088         about return other than *this in assignment operators if
2089         retval is type dependent expression.
2091 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2093         PR c++/84333
2094         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2095         save_expr for the G++ extension.
2097 2018-02-13  Jason Merrill  <jason@redhat.com>
2099         PR c++/84080 - ICE with return type deduction and specialization.
2100         * pt.c (determine_specialization): Check uses_template_parms.
2102         Fix more variadic capture issues.
2103         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2104         (check_for_bare_parameter_packs): Check current_class_type for
2105         lambda context.
2106         (extract_locals_r): Handle seeing a full instantiation of a pack.
2107         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2108         * parser.c (cp_parser_lambda_introducer): Don't
2109         check_for_bare_parameter_packs.
2111         PR c++/84338 - wrong variadic sizeof.
2112         * pt.c (argument_pack_select_arg): Like the macro, but look through
2113         a pack expansion.
2114         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2115         (extract_fnparm_pack): Do make_pack_expansion.
2116         (extract_locals_r): Do strip a pack expansion.
2117         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2119 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2121         PR c++/84341
2122         * parser.c (cp_parser_binary_expression): Use build_min instead of
2123         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2125 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2127         PR c++/84263
2128         * parser.c (cp_parser_decltype): Push and pop
2129         deferring_access_checks.  Reorganize to avoid goto.
2131 2018-02-12  Richard Biener  <rguenther@suse.de>
2133         PR c++/84281
2134         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2135         uniform constructors and delay allocating them fully.
2137 2018-02-09  Jason Merrill  <jason@redhat.com>
2139         PR c++/84036 - ICE with variadic capture.
2140         Handle variadic capture proxies more like non-variadic.
2141         * lambda.c (build_capture_proxy): Remove workaround.
2142         * pt.c (find_parameter_packs_r): The proxy is a pack.
2143         (instantiate_class_template_1): Remove dead lambda code.
2144         (extract_fnparm_pack): Don't make_pack_expansion.
2145         (extract_locals_r): Don't strip a pack expansion.
2146         (tsubst_pack_expansion): Handle proxy packs.  Use
2147         PACK_EXPANSION_EXTRA_ARGS less.
2148         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2149         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2150         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2151         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2152         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2154 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2156         PR sanitizer/83987
2157         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2159 2018-02-09  Jason Merrill  <jason@redhat.com>
2161         PR c++/81917 - ICE with void_t and partial specialization.
2162         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2163         calling most_specialized_partial_spec.
2165 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2167         PR c/84293
2168         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2169         Pass expr location to strict_aliasing_warning.
2171 2018-02-09  Jason Merrill  <jason@redhat.com>
2173         PR c++/84296 - ICE with qualified-id in template.
2174         PR c++/83714
2175         * pt.c (unknown_base_ref_p): New.
2176         (instantiation_dependent_scope_ref_p): Use it instead of
2177         any_dependent_bases_p.
2179 2018-02-09  Marek Polacek  <polacek@redhat.com>
2180             Jakub Jelinek  <jakub@redhat.com>
2182         PR c++/83659
2183         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2184         fold_indirect_ref_1, including poly_*int64.  Verify first that
2185         tree_fits_poly_int64_p (op01).  Formatting fixes.
2187 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2189         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2190         * lambda.c (build_capture_proxy): Likewise.
2191         * search.c (field_access_p): Likewise.
2192         * semantics.c (omp_clause_decl, omp_privatize_field,
2193         finish_omp_clauses): Likewise.
2195 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2197         PR c++/83806
2198         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2199         case of nullptr too.
2201 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2203         * class.c (finish_struct): Fix std:initializer_list diagnostic
2204         formatting.
2206 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2208         PR c++/83204
2209         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2211 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2213         PR c++/84082
2214         * parser.c (cp_parser_dot_deref_incomplete): New function.
2215         (cp_parser_postfix_dot_deref_expression): Use it.
2217 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2219         PR c++/81610
2220         PR c++/80567
2221         * name-lookup.c (suggest_rid_p): New function.
2222         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2223         suggest_rid_p.
2225 2018-02-07  Jason Merrill  <jason@redhat.com>
2227         PR c++/84182 - ICE with captured lambda
2228         PR c++/84181
2229         * pt.c (extract_locals_r, extract_local_specs): New.
2230         (tsubst_pack_expansion): Use them.
2232 2018-02-07  Martin Liska  <mliska@suse.cz>
2234         PR c++/84059.
2235         * class.c (add_method): Append argument value.
2236         * cp-tree.h (maybe_version_functions): Add new argument.
2237         * decl.c (decls_match): Call it if a declaration does not
2238         have DECL_FUNCTION_VERSIONED.
2239         (maybe_version_functions): record argument is added.
2241 2018-02-05  Marek Polacek  <polacek@redhat.com>
2243         * class.c: Remove unused global variables.
2244         (build_primary_vtable): Don't gather statistics.
2245         (print_class_statistics): Remove.
2246         * cp-tree.h (print_class_statistics): Remove.
2247         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2249 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2251         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2252         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2253         * decl.c (next_initializable_field, find_decomp_class_base,
2254         cp_finish_decomp): Likewise.
2255         * typeck2.c (process_init_constructor_record): Likewise.
2257 2018-02-02  Jason Merrill  <jason@redhat.com>
2259         PR c++/84181 - ICE with lambda parm in template argument.
2260         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2262 2018-02-01  Jason Merrill  <jason@redhat.com>
2264         PR c++/84160 - ICE with nested variadic capture.
2265         * lambda.c (is_capture_proxy_with_ref): New.
2266         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2267         COMPONENT_REF.
2268         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2269         * constexpr.c (potential_constant_expression_1): Likewise.
2270         * semantics.c (process_outer_var_ref): Likewise.
2272 2018-02-01  Marek Polacek  <polacek@redhat.com>
2274         PR c++/84125
2275         * typeck.c (build_address): Relax the assert when
2276         processing_template_decl.
2278 2018-02-01  Jason Merrill  <jason@redhat.com>
2280         PR c++/84126 - ICE with variadic generic lambda
2281         PR c++/84036
2282         PR c++/82249
2283         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2284         PACK_EXPANSION_EXTRA_ARGS.
2286 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2288         PR c++/83796
2289         * call.c (convert_like_real): If w're initializing from {} explicitly
2290         call abstract_virtuals_error_sfinae.
2292 2018-01-31  Jason Merrill  <jason@redhat.com>
2293             Jakub Jelinek  <jakub@redhat.com>
2295         PR c++/83993
2296         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2297         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2298         on ADDR_EXPR.
2300 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2302         PR c++/83993
2303         * constexpr.c (diag_array_subscript): Emit different diagnostics
2304         if TYPE_DOMAIN (arraytype) is NULL.
2305         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2306         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2308 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2310         PR c++/84092
2311         * semantics.c (finish_qualified_id_expr): When handling an
2312         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2314 2018-01-31  Marek Polacek  <polacek@redhat.com>
2316         PR c++/84138
2317         * cp-gimplify.c (cp_fold): Check if X is an error node before
2318         calling useless_type_conversion_p.
2320 2018-01-30  Jason Merrill  <jason@redhat.com>
2322         PR c++/84091 - ICE with local class in lambda in template.
2323         * decl2.c (determine_visibility): Look for outer containing template
2324         instantiation.
2326         PR c++/84098 - ICE with lambda in template NSDMI.
2327         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2329 2018-01-29  Jason Merrill  <jason@redhat.com>
2331         PR c++/68810 - wrong location for reinterpret_cast error.
2332         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2333         !dofold.
2335 2018-01-29  Marek Polacek  <polacek@redhat.com>
2337         PR c++/83996
2338         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2339         => fooarray[1] in offset_int.
2341 2018-01-29  Jason Merrill  <jason@redhat.com>
2343         PR c++/83942 - wrong unused warning with static_cast.
2344         * cvt.c (ocp_convert): Call mark_rvalue_use.
2346 2018-01-26  Jason Merrill  <jason@redhat.com>
2348         PR c++/83956 - wrong dtor error with anonymous union
2349         * method.c (walk_field_subobs): Variant members only affect
2350         deletedness.
2351         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2353         PR c++/84036 - ICE with variadic capture.
2354         PR c++/82249
2355         * pt.c (tsubst_pack_expansion): When optimizing a simple
2356         substitution, pull a single pack expansion out of its pack.
2358         PR c++/82514 - ICE with local class in generic lambda.
2359         * pt.c (regenerated_lambda_fn_p): Remove.
2360         (enclosing_instantiation_of): Don't use it.
2361         (tsubst_function_decl): Call enclosing_instantiation_of.
2363         * pt.c (lookup_template_class_1): Add sanity check.
2364         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2366 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2368         PR c++/84031
2369         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2370         recursive calls that return ret.
2371         (cp_finish_decomp): Ignore unnamed bitfields.
2373 2018-01-23  Jason Merrill  <jason@redhat.com>
2375         PR c++/82249 - wrong mismatched pack length error.
2376         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2377         unsubstituted function parameter pack.
2379 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2381         PR c++/83921
2382         * decl.c (check_for_uninitialized_const_var): Not static; add
2383         bool and tsubst_flags_t parameters; adjust to be used both in
2384         constexpr context and not.
2385         * constexpr.c (potential_constant_expression_1): Use the above.
2386         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2388 2018-01-23  Jason Merrill  <jason@redhat.com>
2390         PR c++/83947 - ICE with auto declarations.
2391         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2392         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2394 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2396         PR c++/83974
2397         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2398         for pointer to member function types.
2400 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2402         PR sanitizer/83987
2403         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2404         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2406 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2408         PR c++/83988
2409         * pt.c (tsubst_baselink): Remove optype assert.
2410         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2412 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2414         PR c++/83958
2415         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2416         refers to incomplete type.
2418 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2420         Deprecate ARM-era for scope handling
2421         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2422         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2423         cleared.
2424         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2425         cleanup handling.
2426         * semantics.c (begin_for_scope): Flag_new_for_scope is
2427         boolean-like.
2428         (finish_for_stmt, begin_range_for_stmt): Likewise.
2430 2018-01-22  Jason Merrill  <jason@redhat.com>
2432         PR c++/83720
2433         * decl2.c (determine_visibility): Fix template_decl handling
2434         instead of blocking it.
2436         PR c++/83720 - ICE with lambda and LTO.
2437         * decl2.c (determine_visibility): Clear template_decl for
2438         function-scope decls.  Propagate anonymous linkage from containing
2439         function.
2441 2018-01-22  Marek Polacek  <polacek@redhat.com>
2443         PR c++/81933
2444         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2445         split out anything.
2447 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2449         PR c++/83895
2450         * decl.c (grokdeclarator): Don't diagnose extra parens
2451         on typedefs.
2453 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2455         PR c++/81167
2456         * call.c (joust): Use TREE_TYPE (source) if source is
2457         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2459         PR c++/83919
2460         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2461         for direct enum init.
2462         * decl.c (reshape_init): Likewise.
2464 2018-01-19  Marek Polacek  <polacek@redhat.com>
2466         * constexpr.c (fold_simple): Simplify.
2468 2018-01-18  Jason Merrill  <jason@redhat.com>
2470         PR c++/83714
2471         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2472         * pt.c (instantiation_dependent_scope_ref_p): True if
2473         any_dependent_bases_p.
2475 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2477         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2478         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2480 2018-01-18  Jason Merrill  <jason@redhat.com>
2482         PR c++/82461 - constexpr list-initialized member
2483         * constexpr.c (potential_constant_expression_1): Check
2484         TARGET_EXPR_DIRECT_INIT_P.
2486 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2488         PR c++/81013
2489         * decl.c (xref_basetypes): Early return upon error about derived
2490         union.
2492 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2494         PR c++/83160
2495         * cp-tree.h (mark_use): Declare.
2496         * expr.c (mark_use): Make extern.
2497         * call.c (direct_reference_binding): Set inner conv's
2498         rvaluedness_matches_p, if it is an identity.
2499         (convert_like_real): Mark lvalue or rvalue use for identity as
2500         rvaledness_matches_p demands.
2502 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2504         PR c++/83824
2505         * parser.c (attr_chainon): New function.
2506         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2507         cp_parser_namespace_definition, cp_parser_init_declarator,
2508         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2509         cp_parser_gnu_attributes_opt): Use it.
2510         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2511         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2512         prefix_attributes if attributes is error_mark_node.
2514 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2516         PR c++/78344
2517         * decl.c (grokdeclarator): Do not append the error_mark_node
2518         due to an erroneous optional attribute-specifier-seq.
2520 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2522         PR c++/83897
2523         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2524         CLEANUP_POINT_EXPR.
2526 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2528         PR c++/81054
2529         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2530         error_mark_node when we give an error.
2531         * decl.c (cp_finish_decl): Use the latter.
2533 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2535         PR c++/83287
2536         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2538 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2540         PR c++/83814
2541         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2542         the C++ part.  If processing a template, call
2543         fold_non_dependent_expr rather than fully folding.
2545 2018-01-17  Jason Merrill  <jason@redhat.com>
2547         PR c++/81067 - redundant NULL warning.
2548         * call.c (convert_like_real): Restore null_node handling.
2550 2018-01-17  Jason Merrill  <jason@redhat.com>
2552         PR c++/81843 - ICE with variadic member template.
2553         PR c++/72801
2554         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2555         template args.
2557 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2559         PR c++/83799
2560         * pt.c (type_dependent_expression_p): Strip any location wrapper
2561         before testing tree codes.
2562         (selftest::test_type_dependent_expression_p): New function.
2563         (selftest::cp_pt_c_tests): Call it.
2565 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2567         PR c++/83739
2568         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2569         this not a final instantiation.
2571 2018-01-16  Jason Merrill  <jason@redhat.com>
2573         PR c++/83714 - ICE checking return in template.
2574         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2576 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2578         PR c++/83817
2579         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2580         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2581         instead of CALL_FROM_THUNK_P.
2583         PR c++/83825
2584         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2585         (resort_type_member_vec, set_class_bindings,
2586         insert_late_enum_def_bindings): Use vec qsort method instead of
2587         calling qsort directly.
2589 2018-01-15  Martin Sebor  <msebor@redhat.com>
2591         PR c++/83588
2592         * class.c (find_flexarrays): Make a record of multiple flexible array
2593         members.
2595 2018-01-12  Jason Merrill  <jason@redhat.com>
2597         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2598         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2600 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2602         * cp-tree.h (mark_rvalue_use): Add parm name.
2603         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2604         mark_rvalue_use.
2605         * call.c (convert_like_real): Fix formatting.
2607 2018-01-11  Jason Merrill  <jason@redhat.com>
2609         PR c++/82728 - wrong -Wunused-but-set-variable
2610         PR c++/82799
2611         PR c++/83690
2612         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2613         * decl.c (case_conversion): Likewise.
2614         * semantics.c (finish_static_assert): Call
2615         perform_implicit_conversion_flags.
2617 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2619         * method.c (enum mangling_flags): Delete long-dead enum.
2621 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2623         * parser.c (cp_parser_std_attribute_spec): When
2624         token_pair::require_open / require_close return false simply
2625         return error_mark_node, avoid duplicate cp_parser_error about
2626         expected '(' / ')', respectively.
2628 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2630         PR c++/43486
2631         * call.c (null_ptr_cst_p): Strip location wrappers when
2632         converting from '0' to a pointer type in C++11 onwards.
2633         (conversion_null_warnings): Replace comparison with null_node with
2634         call to null_node_p.
2635         (build_over_call): Likewise.
2636         * cp-gimplify.c (cp_fold): Remove the early bailout when
2637         processing_template_decl.
2638         * cp-lang.c (selftest::run_cp_tests): Call
2639         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2640         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2641         (selftest::run_cp_tests): Move decl to bottom of file.
2642         (null_node_p): New inline function.
2643         (selftest::cp_pt_c_tests): New decl.
2644         (selftest::cp_tree_c_tests): New decl.
2645         * cvt.c (build_expr_type_conversion): Replace comparison with
2646         null_node with call to null_node_p.
2647         * error.c (args_to_string): Likewise.
2648         * except.c (build_throw): Likewise.
2649         * mangle.c (write_expression): Skip location wrapper nodes.
2650         * parser.c (literal_integer_zerop): New function.
2651         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2652         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2653         param of cp_parser_parenthesized_expression_list.  When calling
2654         warn_for_memset, replace integer_zerop calls with
2655         literal_integer_zerop, eliminating the double logical negation
2656         cast to bool.  Eliminate the special-casing for CONST_DECL in
2657         favor of the fold_for_warn within warn_for_memset.
2658         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2659         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2660         maybe_add_location_wrapper on it when wrap_locations_p is true.
2661         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2662         the result for RID_ALIGNOF and RID_SIZEOF.
2663         (cp_parser_builtin_offsetof): Likewise.
2664         * pt.c: Include "selftest.h".
2665         (tsubst_copy): Handle location wrappers.
2666         (tsubst_copy_and_build): Likewise.
2667         (build_non_dependent_expr): Likewise.
2668         (selftest::test_build_non_dependent_expr): New function.
2669         (selftest::cp_pt_c_tests): New function.
2670         * tree.c: Include "selftest.h".
2671         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2672         (selftest::test_lvalue_kind): New function.
2673         (selftest::cp_tree_c_tests): New function.
2674         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2675         (cp_build_binary_op): Replace comparison with null_node with call
2676         to null_node_p.
2677         (build_address): Use location of operand when building address
2678         expression.
2680 2018-01-10  Marek Polacek  <polacek@redhat.com>
2682         PR c++/82541
2683         * call.c (build_conditional_expr_1): Check complain before warning.
2684         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2685         -Wduplicated-branches.
2687 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2689         PR c++/81327
2690         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2691         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2692         args uses and check number of operands too.  Don't strip away any
2693         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2694         Deal with src argument not having pointer type.  Check
2695         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2696         test.
2697         (build_over_call): Call maybe_warn_class_memaccess here on the
2698         original arguments.
2699         (build_cxx_call): Rather than here on converted arguments.
2701 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2703         PR c++/81055
2704         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2705         error_mark_node as second argument.
2707 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2709         PR c++/83734
2710         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2711         in STATEMENT_LIST.  Remove unneeded assert.
2713 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2714             Alan Hayward  <alan.hayward@arm.com>
2715             David Sherwood  <david.sherwood@arm.com>
2717         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2718         VECTOR_CST_NELTS.
2719         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2720         * call.c (build_conditional_expr_1): Likewise.
2721         * decl.c (cp_finish_decomp): Likewise.
2722         * mangle.c (write_type): Likewise.
2723         * typeck.c (structural_comptypes): Likewise.
2724         (cp_build_binary_op): Likewise.
2725         * typeck2.c (process_init_constructor_array): Likewise.
2727 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2729         PR c++/83555
2730         * typeck.c (build_static_cast_1): For static casts to reference types,
2731         call build_base_path with flag_delete_null_pointer_checks as nonnull
2732         instead of always false.  When -fsanitize=null, call
2733         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2734         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2735         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2737 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2739         PR c++/83667
2740         * method.c (make_alias_for): Copy DECL_CONTEXT.
2742 2018-01-03  Marek Polacek  <polacek@redhat.com>
2744         PR c++/83592
2745         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2747 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2749         PR preprocessor/83602
2750         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2751         for builtin macros.
2753         PR c++/83634
2754         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2755         error_mark_node, return error_mark_node.
2757         Update copyright years.
2759 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2761         PR c++/83556
2762         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2763         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2764         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2765         to false and return.
2766         (replace_placeholders): Pass NULL instead of &pset as last argument
2767         to cp_walk_tree.
2769 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2771         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2772         lval var.
2774 Copyright (C) 2018 Free Software Foundation, Inc.
2776 Copying and distribution of this file, with or without modification,
2777 are permitted in any medium without royalty provided the copyright
2778 notice and this notice are preserved.