/cp
[official-gcc.git] / gcc / cp / ChangeLog
blob9458b4150a83e48ad9d60ced6c496398995f162e
1 2018-06-11  Paolo Carlini  <paolo.carlini@oracle.com>
3         * decl.c (grok_op_properties): Consistently use the location
4         of the decl; remove special casing of POSTINCREMENT_EXPR and
5         POSTDECREMENT_EXPR wrt default arguments.
7 2018-06-05  Jason Merrill  <jason@redhat.com>
9         * constexpr.c (cxx_eval_binary_expression): Special case comparison
10         of pointers to members of the same union.
12 2018-06-11  Jason Merrill  <jason@redhat.com>
14         PR c++/86094 - wrong code with defaulted move ctor.
15         * tree.c (type_has_nontrivial_copy_init): Fix move ctor handling.
17 2018-06-10  Paolo Carlini  <paolo.carlini@oracle.com>
19         * decl.c (grokfndecl): Use the location_t argument in two more places.
21 2018-06-06  Marek Polacek  <polacek@redhat.com>
23         PR c++/85977
24         * pt.c (unify): If ELTTYPE has no deducible template parms, skip
25         deduction from the list elements.
26         (type_unification_real): Check convertibility of list elements.
28 2018-06-06  Jason Merrill  <jason@redhat.com>
30         PR c++/86060 - ICE on range for with -std=c++98.
31         * parser.c (cp_parser_init_statement): Don't clobber *decl after
32         pedwarn.
34         PR c++/85710 - ICE with -Wmemset-elt-size.
35         * semantics.c (finish_call_expr): Call warn_for_memset here.
36         * parser.c (cp_parser_postfix_expression): Not here.
37         (literal_integer_zerop): No longer static.
38         * pt.c (build_non_dependent_expr): Don't wrap CONST_DECL.
40 2018-06-05  Marek Polacek  <polacek@redhat.com>
42         PR c++/85976
43         * tree.c (cp_tree_equal): Handle USING_DECL.
45 2018-06-05  Jason Merrill  <jason@redhat.com>
47         PR c++/85731 - wrong error with qualified-id in template.
48         * semantics.c (finish_qualified_id_expr): build_qualified_name
49         for unbound names in the current class.
51 2018-06-04  Jason Merrill  <jason@redhat.com>
53         PR c++/61806 - missed SFINAE with partial specialization.
54         * cp-tree.h (deferring_access_check_sentinel): Add deferring_kind
55         parameter to constructor.
56         * pt.c (instantiate_class_template_1): Enable access checking
57         before call to most_specialized_partial_spec.
59         PR c++/85765 - SFINAE and non-type default template arg.
60         * pt.c (type_unification_real): Do full semantic processing if
61         substituting a partial args list replaces all template parms.
63 2018-06-03  Jason Merrill  <jason@redhat.com>
65         PR c++/85739 - ICE with pointer to member template parm.
66         * cvt.c (perform_qualification_conversions): Use cp_fold_convert.
68 2018-06-02  Jason Merrill  <jason@redhat.com>
70         PR c++/85761 - ICE with ill-formed use of const outer variable.
71         * expr.c (mark_use): Handle location wrappers.
73 2018-06-01  Jason Merrill  <jason@redhat.com>
75         PR c++/85764 - bogus 'this' not captured error.
76         * lambda.c (resolvable_dummy_lambda): Use nonlambda_method_basetype.
77         (nonlambda_method_basetype): Handle NSDMI.
79         CWG 1581: When are constexpr member functions defined?
80         * constexpr.c (instantiate_cx_fn_r, instantiate_constexpr_fns): New.
81         (cxx_eval_outermost_constant_expr): Call instantiate_constexpr_fns.
83         PR c++/58281 - explicit instantiation of constexpr
84         * pt.c (mark_decl_instantiated): Clear DECL_EXTERNAL.
86         * pt.c (instantiate_decl): Any defaulted function is defined.
88 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
90         PR c++/77777
91         * call.c (resolve_args): Use location of expression, not current input
92         location.
94 2018-05-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
96         Do not warn about zero-as-null when NULL is used.
97         * call.c (conversion_null_warnings): Check for pointer
98         types converted from zero constants.
99         (convert_like_real): Add a warning sentinel at the end.
100         * tree.c (maybe_warn_zero_as_null_pointer_constant): Also
101         check null_node_p.
103 2018-05-30  Jason Merrill  <jason@redhat.com>
105         PR c++/85807 - ICE with call in template NSDMI.
106         * init.c (get_nsdmi): Use push_to/pop_from_top_level.
107         * tree.c (bot_manip): Don't set_flags_from_callee in a template.
109         PR c++/85873 - constant initializer_list array not in .rodata.
110         * tree.c (build_target_expr): Set TREE_READONLY.
111         * call.c (set_up_extended_ref_temp): Set TREE_READONLY.
113         * parser.c (cp_parser_check_condition_declarator): Handle
114         cp_error_declarator.
116 2018-05-30  Jonathan Wakely  <jwakely@redhat.com>
118         * typeck.c (cxx_sizeof_or_alignof_type): Return size_one_node instead
119         of using it in dead store.
121 2018-05-29  Jason Merrill  <jason@redhat.com>
123         PR c++/67445 - returning temporary initializer_list.
124         PR c++/67711 - assigning from temporary initializer_list.
125         PR c++/48562 - new initializer_list.
126         * typeck.c (maybe_warn_about_returning_address_of_local): Also warn
127         about returning local initializer_list.
128         * cp-tree.h (AUTO_TEMP_NAME, TEMP_NAME_P): Remove.
129         * call.c (build_over_call): Warn about assignment from temporary
130         init_list.
131         * init.c (build_new_1): Warn about 'new std::initializer_list'.
132         (find_list_begin, maybe_warn_list_ctor): New.
133         (perform_member_init): Use maybe_warn_list_ctor.
135 2018-05-29  Marek Polacek  <polacek@redhat.com>
137         PR c++/85883
138         * init.c (build_new): Handle deducing a class with new
139         with more than one argument.
141 2018-05-29  Jakub Jelinek  <jakub@redhat.com>
143         PR c++/85952
144         * init.c (build_aggr_init): For structured binding initialized from
145         array call mark_rvalue_use on the initializer.
147 2018-05-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
149         * decl2.c (start_static_storage_duration_function): Use
150         splay_tree_delete_pointers.
152 2018-05-25  Jason Merrill  <jason@redhat.com>
154         PR c++/85815 - reference to member of enclosing template.
155         * search.c (lookup_base): Use currently_open_class.
156         (lookup_member): Use it regardless of -fconcepts.
157         * parser.c (cp_parser_postfix_dot_deref_expression): Check it.
159         CWG 616, 1213 - value category of subobject references.
160         * tree.c (lvalue_kind): Fix handling of ARRAY_REF of pointer.
162 2018-05-24  Jason Merrill  <jason@redhat.com>
164         PR c++/85842 - -Wreturn-type, constexpr if and generic lambda.
165         * pt.c (tsubst_lambda_expr): Copy current_function_returns_* to
166         generic lambda.
168 2018-05-24  Ville Voutilainen  <ville.voutilainen@gmail.com>
170         Pedwarn on a non-standard position of a C++ attribute.
171         * parser.c (cp_parser_namespace_definition): Pedwarn about attributes
172         after the namespace name.
174 2018-05-24  Paolo Carlini  <paolo.carlini@oracle.com>
176         * cp-tree.h (INDIRECT_TYPE_P): New.
177         * call.c (build_trivial_dtor_call, maybe_warn_class_memaccess,
178         joust): Use it instead of POINTER_TYPE_P.
179         * class.c (update_vtable_entry_for_fn, find_flexarrays,
180         * fixed_type_or_null, resolves_to_fixed_type_p): Likewise.
181         * constexpr.c (cxx_eval_binary_expression, cxx_fold_indirect_ref,
182         * cxx_eval_increment_expression, potential_constant_expression_1):
183         Likewise.
184         * cp-gimplify.c (cp_gimplify_expr, cp_genericize_r): Likewise.
185         * cp-objcp-common.c (cxx_get_alias_set): Likewise.
186         * cp-ubsan.c (cp_ubsan_maybe_instrument_member_call,
187         cp_ubsan_maybe_instrument_downcast): Likewise.
188         * cvt.c (cp_convert_to_pointer, ocp_convert,
189         cp_get_fndecl_from_callee, maybe_warn_nodiscard, convert): Likewise.
190         * cxx-pretty-print.c (cxx_pretty_printer::abstract_declarator,
191         pp_cxx_offsetof_expression_1): Likewise.
192         * decl.c (grokparms, static_fn_type): Likewise.
193         * decl2.c (grokbitfield): Likewise.
194         * error.c (dump_expr): Likewise.
195         * except.c (initialize_handler_parm, check_noexcept_r): Likewise.
196         * init.c (warn_placement_new_too_small): Likewise.
197         * lambda.c (build_capture_proxy, add_capture): Likewise.
198         * parser.c (cp_parser_omp_for_loop): Likewise.
199         * pt.c (convert_nontype_argument, fn_type_unification,
200         uses_deducible_template_parms, check_cv_quals_for_unify,
201         dependent_type_p_r): Likewise.
202         * search.c (check_final_overrider): Likewise.
203         * semantics.c (handle_omp_array_sections, finish_omp_clauses,
204         finish_omp_for): Likewise.
205         * tree.c (cp_build_qualified_type_real): Likewise.
206         * typeck.c (build_class_member_access_expr,
207         finish_class_member_access_expr, build_x_indirect_ref,
208         cp_build_indirect_ref_1, cp_build_binary_op, build_const_cast_1):
209         Likewise.
211 2018-05-24  Jason Merrill  <jason@redhat.com>
213         PR c++/85864 - literal template and default template arg.
214         * pt.c (instantiation_dependent_r): Handle NONTYPE_ARGUMENT_PACK.
216 2018-05-24  Marek Polacek  <polacek@redhat.com>
218         PR c++/85847
219         * init.c (build_new_1): Use fold_non_dependent_expr.  Use a dedicated
220         variable for its result.  Fix a condition.
221         (build_new): Use fold_non_dependent_expr.  Tweak a condition.
223 2018-05-23  Jason Merrill  <jason@redhat.com>
225         Fix cast to rvalue reference from prvalue.
226         * cvt.c (diagnose_ref_binding): Handle rvalue reference.
227         * rtti.c (build_dynamic_cast_1): Don't try to build a reference to
228         non-class type.  Handle xvalue argument.
229         * typeck.c (build_reinterpret_cast_1): Allow cast from prvalue to
230         rvalue reference.
231         * semantics.c (finish_compound_literal): Do direct-initialization,
232         not cast, to initialize a reference.
234         CWG 616, 1213 - value category of subobject references.
235         * tree.c (lvalue_kind): A reference to a subobject of a prvalue is
236         an xvalue.
237         * typeck2.c (build_m_component_ref): Likewise.
238         * typeck.c (cp_build_addr_expr_1, lvalue_or_else): Remove diagnostic
239         distinction between temporary and xvalue.
241 2018-05-23  Marek Polacek  <polacek@redhat.com>
243         Implement P0614R1, Range-based for statements with initializer.
244         * parser.c (cp_parser_range_based_for_with_init_p): New.
245         (cp_parser_init_statement): Use it.  Parse the optional init-statement
246         for a range-based for loop.
247         (cp_parser_skip_to_closing_parenthesis_1): Handle balancing ?:.
249 2018-05-22  Jason Merrill  <jason@redhat.com>
251         PR c++/81420 - not extending temporary lifetime.
252         * call.c (extend_ref_init_temps_1): Handle ARRAY_REF.
253         * class.c (build_base_path): Avoid redundant move of an rvalue.
255         PR c++/85866 - error with .* in default template arg.
256         * pt.c (tsubst_copy_and_build): Handle partial instantiation.
258 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
260         * parser.c (cp_parser_parameter_declaration_list): Remove
261         bool* parameter.
262         (cp_parser_parameter_declaration_clause): Adjust.
263         (cp_parser_cache_defarg): Likewise.
265 2018-05-21  Paolo Carlini  <paolo.carlini@oracle.com>
267         PR c++/84588
268         * parser.c (cp_parser_maybe_commit_to_declaration,
269         cp_parser_check_condition_declarator): New.
270         (cp_parser_simple_declaration): Use the first above.
271         (cp_parser_condition): Use both the above; enforce
272         [stmt.stmt]/2 about the declarator not specifying
273         a function or an array; improve error-recovery.
275 2018-05-20  Jason Merrill  <jason@redhat.com>
277         PR libstdc++/85843 - warning in logic_error copy constructor.
278         * class.c (type_has_user_nondefault_constructor): Check for a
279         user-provided ctor, not user-declared.
281 2018-05-19  Jason Merrill  <jason@redhat.com>
283         * pt.c (tsubst_pack_expansion): Sorry rather than abort
284         on __integer_pack as subexpression of pattern.
286 2018-05-18  Jason Merrill  <jason@redhat.com>
288         PR c++/58407 - deprecated implicit copy ops.
289         * call.c (build_over_call): Warn about deprecated trivial fns.
290         * class.c (classtype_has_user_copy_or_dtor): New.
291         (type_build_ctor_call): Check TREE_DEPRECATED.
292         (type_build_dtor_call): Likewise.
293         * decl2.c (cp_warn_deprecated_use): Move from tree.c.
294         Add checks.  Return bool.  Handle -Wdeprecated-copy.
295         (mark_used): Use it.
296         * decl.c (grokdeclarator): Remove redundant checks.
297         * typeck2.c (build_functional_cast): Likewise.
298         * method.c (lazily_declare_fn): Mark deprecated copy ops.
299         * init.c (build_aggr_init): Only set TREE_USED if there are
300         side-effects.
302 2018-05-18  Cesar Philippidis  <cesar@codesourcery.com>
304         PR c++/85782
305         * cp-gimplify.c (cp_genericize_r): Call genericize_omp_for_stmt for
306         OACC_LOOPs.
308 2018-05-18  Richard Sandiford  <richard.sandiford@linaro.org>
310         * constexpr.c (cxx_eval_constant_expression): Remove FMA_EXPR handling.
311         (potential_constant_expression_1): Likewise.
313 2018-05-16  Marek Polacek  <polacek@redhat.com>
315         PR c++/85363
316         * call.c (set_flags_from_callee): Handle AGGR_INIT_EXPRs too.
317         * tree.c (bot_manip): Call set_flags_from_callee for
318         AGGR_INIT_EXPRs too.
320 2018-05-15  Jason Merrill  <jason@redhat.com>
322         * cp-tree.h (cp_expr): Remove copy constructor.
323         * mangle.c (struct releasing_vec): Declare copy constructor.
325         * constexpr.c (cxx_eval_vec_init_1): Pass tf_none if ctx->quiet.
327         PR c++/64372 - CWG 1560, gratuitous lvalue-rvalue conversion in ?:
328         * call.c (build_conditional_expr_1): Don't force_rvalue when one arm
329         is a throw-expression.
331 2018-05-15  Paolo Carlini  <paolo.carlini@oracle.com>
333         * cp-tree.h (DECL_MAYBE_IN_CHARGE_CDTOR_P): New.
334         (FOR_EACH_CLONE): Update.
335         * decl.c (grokdeclarator): Use it.
336         * decl2.c (vague_linkage_p): Likewise.
337         * mangle.c (mangle_decl): Likewise.
338         * method.c (lazily_declare_fn): Likewise.
339         * optimize.c (can_alias_cdtor, maybe_clone_body): Likewise.
340         * repo.c (repo_emit_p): Likewise.
341         * tree.c (decl_linkage): Likewise.
343 2018-05-14  Jason Merrill  <jason@redhat.com>
345         Handle TYPE_HAS_LATE_RETURN_TYPE like ref-qualifier and eh spec.
346         * tree.c (build_cp_fntype_variant): New.
347         (build_ref_qualified_type, build_exception_variant)
348         (strip_typedefs, cxx_copy_lang_qualifiers): Use it.
349         (cxx_type_hash_eq, cp_check_qualified_type): Check
350         TYPE_HAS_LATE_RETURN_TYPE.
351         (cp_build_type_attribute_variant): Check cxx_type_hash_eq.
352         (cp_build_qualified_type_real): No need to preserve C++ qualifiers.
353         * class.c (build_clone): Use cxx_copy_lang_qualifiers.
354         (adjust_clone_args): Likewise.
355         * decl.c (grokfndecl): Add late_return_type_p parameter.  Use
356         build_cp_fntype_variant.
357         (grokdeclarator): Pass late_return_type_p to grokfndecl.
358         (check_function_type): Use cxx_copy_lang_qualifiers.
359         (static_fn_type): Use cxx_copy_lang_qualifiers.
360         * decl2.c (build_memfn_type, maybe_retrofit_in_chrg)
361         (cp_reconstruct_complex_type, coerce_new_type, coerce_delete_type)
362         (change_return_type): Use cxx_copy_lang_qualifiers.
363         * mangle.c (write_type): Use cxx_copy_lang_qualifiers.
364         * parser.c (cp_parser_lambda_declarator_opt): Represent an explicit
365         return type on the declarator like a normal trailing return type.
366         * pt.c (tsubst_function_type): Use build_cp_fntype_variant.
367         (copy_default_args_to_explicit_spec): Use cxx_copy_lang_qualifiers.
368         * typeck.c (merge_types): Use build_cp_fntype_variant.
370 2018-05-14  Paolo Carlini  <paolo.carlini@oracle.com>
372         * cp-tree.h (TYPE_REF_P): New.
373         (TYPE_OBJ_P, TYPE_REF_OBJ_P, TYPE_REFFN_P): Update.
374         * call.c (build_list_conv, build_aggr_conv, standard_conversion,
375         direct_reference_binding, reference_binding, implicit_conversion,
376         add_builtin_candidate, build_user_type_conversion_1, build_op_call_1,
377         build_new_op_1, build_x_va_arg, conv_binds_ref_to_prvalue,
378         build_over_call, perform_implicit_conversion_flags,
379         extend_ref_init_temps, type_has_extended_temps): Use it.
380         * class.c (one_inheriting_sig, check_field_decls,
381         check_bases_and_members, find_flexarrays, finish_struct,
382         fixed_type_or_null): Likewise.
383         * constexpr.c (literal_type_p, cxx_bind_parameters_in_call,
384         non_const_var_error, cxx_eval_constant_expression,
385         potential_constant_expression_1): Likewise.
386         * cp-gimplify.c (omp_var_to_track, omp_cxx_notice_variable,
387         cp_genericize_r, cxx_omp_privatize_by_reference,
388         cxx_omp_const_qual_no_mutable, cxx_omp_finish_clause,
389         cp_fold_maybe_rvalue): Likewise.
390         * cp-ubsan.c (cp_ubsan_maybe_instrument_downcast): Likewise.
391         * cvt.c (build_up_reference, convert_to_reference,
392         convert_from_reference, convert_to_void, noexcept_conv_p,
393         fnptr_conv_p): Likewise.
394         * decl.c (poplevel, check_for_uninitialized_const_var,
395         check_initializer, initialize_local_var, cp_finish_decl,
396         get_tuple_decomp_init, cp_finish_decomp, grokdeclarator, copy_fn_p,
397         move_signature_fn_p, grok_op_properties, finish_function): Likewise.
398         * decl2.c (grok_array_decl, cp_reconstruct_complex_type,
399         decl_maybe_constant_var_p): Likewise.
400         * error.c (dump_type_prefix, dump_expr): Likewise.
401         * except.c (initialize_handler_parm, complete_ptr_ref_or_void_ptr_p,
402         is_admissible_throw_operand_or_catch_parameter): Likewise.
403         * expr.c (mark_use): Likewise.
404         * init.c (build_zero_init_1, build_value_init_noctor,
405         perform_member_init, diagnose_uninitialized_cst_or_ref_member_1,
406         build_new, build_delete): Likewise.
407         * lambda.c (build_lambda_object): Likewise.
408         * mangle.c (write_expression, write_template_arg): Likewise.
409         * method.c (forward_parm, do_build_copy_constructor,
410         do_build_copy_assign, build_stub_object, constructible_expr,
411         walk_field_subobs): Likewise.
412         * parser.c (cp_parser_omp_for_loop_init,
413         cp_parser_omp_declare_reduction_exprs,
414         cp_parser_omp_declare_reduction): Likewise.
415         * pt.c (convert_nontype_argument_function, convert_nontype_argument,
416         convert_template_argument, tsubst_pack_expansion,
417         tsubst_function_decl, tsubst_decl, tsubst, tsubst_copy_and_build,
418         maybe_adjust_types_for_deduction, check_cv_quals_for_unify, unify,
419         more_specialized_fn, invalid_nontype_parm_type_p, dependent_type_p_r,
420         value_dependent_expression_p, build_deduction_guide): Likewise.
421         * semantics.c (finish_handler_parms, finish_non_static_data_member,
422         finish_compound_literal, omp_privatize_field,
423         handle_omp_array_sections_1, handle_omp_array_sections,
424         cp_check_omp_declare_reduction, finish_omp_reduction_clause,
425         finish_omp_declare_simd_methods, cp_finish_omp_clause_depend_sink,
426         finish_omp_clauses, finish_decltype_type, capture_decltype,
427         finish_builtin_launder): Likewise.
428         * tree.c (lvalue_kind, cp_build_reference_type, move,
429         cp_build_qualified_type_real, stabilize_expr, stabilize_init): Likewise.
430         * typeck.c (cxx_safe_arg_type_equiv_p, build_class_member_access_expr,
431         cp_build_indirect_ref_1, convert_arguments, warn_for_null_address,
432         cp_build_addr_expr_1, maybe_warn_about_useless_cast,
433         build_static_cast_1, build_static_cast, build_reinterpret_cast_1,
434         build_const_cast_1, cp_build_c_cast, cp_build_modify_expr,
435         convert_for_initialization,
436         maybe_warn_about_returning_address_of_local, check_return_expr,
437         cp_type_quals, casts_away_constness, non_reference): Likewise.
438         * typeck2.c (cxx_readonly_error, store_init_value,
439         process_init_constructor_record, build_x_arrow, build_functional_cast,
440         add_exception_specifier): Likewise.
442 2018-05-14  Jason Merrill  <jason@redhat.com>
444         * pt.c (tsubst) [ARRAY_TYPE]: Check valid_array_size_p.
445         (tsubst_copy_and_build) [NEW_EXPR]: Clear in_decl.
447 2018-05-11  Jakub Jelinek  <jakub@redhat.com>
449         PR c/85696
450         * cp-tree.h (cxx_omp_predetermined_sharing_1): New prototype.
451         * cp-gimplify.c (cxx_omp_predetermined_sharing): New wrapper around
452         cxx_omp_predetermined_sharing_1.  Rename old function to ...
453         (cxx_omp_predetermined_sharing_1): ... this.
454         * semantics.c (finish_omp_clauses): Use cxx_omp_predetermined_sharing_1
455         instead of cxx_omp_predetermined_sharing.
457 2018-05-10  Jason Merrill  <jason@redhat.com>
459         * decl.c (cp_finish_decl): Don't instantiate auto variable.
460         (check_static_variable_definition): Allow auto.
461         * constexpr.c (ensure_literal_type_for_constexpr_object): Likewise.
463         * cp-tree.h (DECL_CONSTRUCTOR_P): Use DECL_CXX_CONSTRUCTOR_P.
464         (DECL_DESTRUCTOR_P): Use DECL_CXX_DESTRUCTOR_P.
466         Core issue 2310 - conversion to base of incomplete type.
467         * class.c (build_base_path): Check COMPLETE_TYPE_P for source type.
469         CWG 2267 - list-initialization of reference temporary
470         * call.c (reference_binding): List-initializing a reference
471         temporary is copy-list-initialization.
473         * parser.c (cp_parser_class_head): Use num_template_headers_for_class.
475         * pt.c (instantiate_decl): Make sure we aren't trying to do a nested
476         instantiation in template context.
478         * class.c (vbase_has_user_provided_move_assign): Use
479         user_provided_p.
481         * lambda.c (lambda_expr_this_capture): Improve logic.
483         * decl.c (make_typename_type): s/parameters/arguments/.
484         * parser.c (cp_parser_nested_name_specifier_opt): Likewise.
485         * pt.c (make_pack_expansion): Correct error message.
487 2018-05-10  Jakub Jelinek  <jakub@redhat.com>
489         PR c++/85662
490         * cp-gimplify.c (cp_fold): Use fold_offsetof rather than
491         fold_offsetof_1, pass TREE_TYPE (x) as TYPE to it and drop the
492         fold_convert.
494 2018-05-10  Eric Botcazou  <ebotcazou@adacore.com>
496         PR c++/85400
497         * decl2.c (adjust_var_decl_tls_model): New static function.
498         (comdat_linkage): Call it on a variable.
499         (maybe_make_one_only): Likewise.
501 2018-05-09  Paolo Carlini  <paolo.carlini@oracle.com>
503         PR c++/85713
504         Revert:
505         2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
507         PR c++/84588
508         * parser.c (cp_parser_parameter_declaration_list): When the
509         entire parameter-declaration-list is erroneous maybe call
510         abort_fully_implicit_template.
512 2018-05-08  Jason Merrill  <jason@redhat.com>
514         PR c++/85706 - class deduction under decltype
515         * pt.c (for_each_template_parm_r): Handle DECLTYPE_TYPE.  Clear
516         *walk_subtrees whether or not we walked into the operand.
517         (type_uses_auto): Only look at deduced contexts.
519 2018-05-08  Paolo Carlini  <paolo.carlini@oracle.com>
521         PR c++/84588
522         * parser.c (cp_parser_parameter_declaration_list): When the
523         entire parameter-declaration-list is erroneous maybe call
524         abort_fully_implicit_template.
526 2018-05-08  Marek Polacek  <polacek@redhat.com>
528         PR c++/85695
529         * semantics.c (finish_if_stmt_cond): See through typedefs.
531 2018-05-07  Jason Merrill  <jason@redhat.com>
533         PR c++/85646 - lambda visibility.
534         * decl2.c (determine_visibility): Don't mess with template arguments
535         from the containing scope.
536         (vague_linkage_p): Check DECL_ABSTRACT_P before looking at a 'tor
537         thunk.
539 2018-05-07  Nathan Sidwell  <nathan@acm.org>
541         Remove fno-for-scope
542         * cp-tree.h (DECL_ERROR_REPORTED, DECL_DEAD_FOR_LOCAL)
543         (DECL_HAS_SHADOWED_FOR_VAR_P, DECL_SHADOWED_FOR_VAR)
544         (SET_DECL_SHADOWED_FOR_VAR): Delete.
545         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
546         (check_for_out_of_scope_variable, init_shadowed_var_for_decl):
547         Don't declare.
548         * name-lookup.h (struct cp_binding_level): Remove
549         dead_vars_from_for field.
550         * cp-lang.c (cp_init_ts): Delete.
551         (LANG_HOOKS_INIT_TS): Override to cp_common_init_ts.
552         * cp-objcp-common.c (shadowed_var_for_decl): Delete.
553         (decl_shadowed_for_var_lookup, decl_shadowed_for_var_insert)
554         (init_shadowed_var_for_decl): Delete.
555         * decl.c (poplevel): Remove shadowed for var handling.
556         (cxx_init_decl_processing): Remove -ffor-scope deprecation.
557         * name-lookup.c (find_local_binding): Remove shadowed for var
558         handling.
559         (check_local_shadow): Likewise.
560         (check_for_out_of_scope_variable): Delete.
561         * parser.c (cp_parser_primary_expression): Remove shadowed for var
562         handling.
563         * pt.c (tsubst_decl): Remove DECL_DEAD_FOR_LOCAL setting.
564         * semantics.c (begin_for_scope): Always have a scope.
565         (begin_for_stmt, finish_for_stmt): Remove ARM-for scope handling.
566         (begin_range_for_stmt, finish_id_expression): Likewise.
568 2018-05-07  Jason Merrill  <jason@redhat.com>
570         PR c++/85618 - ICE with initialized VLA.
571         * tree.c (vla_type_p): New.
572         * typeck2.c (store_init_value, split_nonconstant_init_1): Check it
573         rather than array_of_runtime_bound_p.
575 2018-05-05  Paolo Carlini  <paolo.carlini@oracle.com>
577         * cvt.c (ocp_convert): Early handle the special case of a
578         null_ptr_cst_p expr converted to a NULLPTR_TYPE_P type.
580 2018-05-03  Jason Merrill  <jason@redhat.com>
582         PR c++/85600 - virtual delete failure.
583         * init.c (build_delete): Always save_expr when deleting.
585 2018-05-03  Nathan Sidwell  <nathan@acm.org>
587         * decl.c (cxx_init_decl_processing): Remove flag_friend_injection.
588         * name-lookup.c (do_pushdecl): Likewise.
590 2018-05-02  Paolo Carlini  <paolo.carlini@oracle.com>
591             Jason Merrill  <jason@redhat.com>
593         PR c++/68374
594         * name-lookup.c (check_local_shadow): Don't handle static old
595         declarations in the block handling locals shadowing locals.
597 2018-05-01  Jason Merrill  <jason@redhat.com>
599         PR c++/85587 - error with scoped enum in template.
600         * semantics.c (finish_qualified_id_expr): Don't return an
601         unqualified IDENTIFIER_NODE.
603 2018-04-30  Jason Merrill  <jason@redhat.com>
605         PR c++/85580 - extern "C" and local variables
606         * name-lookup.c (check_extern_c_conflict): Ignore local decls.
608         PR c++/84701 - unsigned typeof.
609         * decl.c (grokdeclarator): Overhaul diagnostics for invalid use
610         of long/short/signed/unsigned.
612         PR c++/85305 - pack in lambda init-capture.
613         * parser.c (cp_parser_initializer): Add subexpression_p parm; don't
614         check_for_bare_parameter_packs in a subexpression.
615         (cp_parser_lambda_introducer): Use it.
617         PR c++/61982 - dead stores to destroyed objects.
618         * call.c (build_trivial_dtor_call): New, assigns a clobber.
619         (build_over_call, build_special_member_call): Use it.
620         * cp-tree.h: Declare it.
621         * init.c (build_delete): Remove trivial path.
623         * init.c (build_dtor_call): Use build_special_member_call.
624         (build_delete): Remove redundant uses of save_addr.
626         * decl.c (build_clobber_this): Use build_clobber.
628 2018-04-27  Jakub Jelinek  <jakub@redhat.com>
630         PR c++/85553
631         * init.c (build_zero_init_1): For zero initialization of
632         NULLPTR_TYPE_P type use build_int_cst directly.
634 2018-04-27  David Malcolm  <dmalcolm@redhat.com>
636         PR c++/85515
637         * name-lookup.c (consider_binding_level): Skip compiler-generated
638         variables.
639         * search.c (lookup_field_fuzzy_info::fuzzy_lookup_field): Flatten
640         nested if statements into a series of rejection tests.  Reject
641         lambda-ignored entities as suggestions.
643 2018-04-27  Jason Merrill  <jason@redhat.com>
645         * cvt.c (cp_fold_convert): Use convert_ptrmem.
646         * typeck.c (convert_ptrmem): Add a NOP even if no adjustment.
648 2018-04-27  Paolo Carlini  <paolo.carlini@oracle.com>
650         PR c++/84691
651         * decl.c (grokdeclarator): Clear friendp upon definition in local
652         class definition error.
654 2018-04-27  Jason Merrill  <jason@redhat.com>
656         PR c++/85545 - ICE with noexcept PMF conversion.
657         * cvt.c (cp_fold_convert): Pass PMF CONSTRUCTORs to
658         build_ptrmemfunc.
659         * typeck.c (build_ptrmemfunc): Don't build a NOP_EXPR for zero
660         adjustment.
661         (build_ptrmemfunc_access_expr): Special-case CONSTRUCTORs.
663 2018-04-27  Nathan Sidwell  <nathan@acm.org>
665         * typeck.c (convert_ptrmem): Move local var decls to initialization.
667         * cp-tree.h (TEMPLATE_INFO): Fix comments.
668         (TI_PENDING_TEMPLATE_FLAG): Check TEMPLATE_INFO.
669         (NON_DEFAULT_TEMPLATE_ARG_COUNT): Wrap line.
670         (dump, print_other_binding_stacks): Remove declarations.
671         * name-lookup.c (print_other_binding_stack): Make static.
672         * pt.c (build_template_decl): Make static.
674 2018-04-26  Jason Merrill  <jason@redhat.com>
676         PR c++/85545 - ICE with noexcept PMF conversion.
677         * cvt.c (cp_fold_convert): Handle PMF CONSTRUCTORs directly.
679 2018-04-25  Nathan Sidwell  <nathan@acm.org>
681         PR c++/85437
682         PR c++/49171
683         * cp-tree.h (REINTERPRET_CAST_P): New.
684         * constexpr.c (cxx_eval_constant_expression) <case NOP_EXPR>:
685         Reject REINTERPET_CAST_P conversions.  Use cplus_expand_constant
686         for non-trivial PTRMEM_CST cases.
687         * typeck.c (build_nop_reinterpret): New.
688         (build_reinterpret_cast_1): Use it.  Set REINTERPRET_CAST_P on
689         NOP_EXPRs returned by cp_convert.
691 2018-04-23  Jason Merrill  <jason@redhat.com>
693         PR c++/69560 - wrong alignof(double) on x86.
694         CWG 1879 - Inadequate definition of alignment requirement.
695         * cp-tree.h (ALIGNOF_EXPR_STD_P): New.
696         * typeck.c (cxx_sizeof_or_alignof_type): Add std_alignof parm.
697         (cxx_sizeof_expr, cxx_sizeof_nowarn, cxx_alignas_expr)
698         (cxx_alignof_expr): Pass it.
699         * parser.c (cp_parser_unary_expression): Pass it.
700         * pt.c (tsubst_copy): Copy it.
701         (tsubst_copy_and_build): Pass it.
702         * decl.c (fold_sizeof_expr): Pass it.
704 2018-04-23  Jakub Jelinek  <jakub@redhat.com>
705             Jason Merrill  <jason@redhat.com>
707         PR c++/85470 - wrong error with static data member.
708         * decl.c (check_initializer): Check DECL_INITIALIZED_IN_CLASS_P.
709         * typeck2.c (store_init_value): Likewise.
711 2018-04-20  Jakub Jelinek  <jakub@redhat.com>
713         PR c++/85462
714         * cp-tree.h (tinst_level): Remove in_system_header_p member,
715         change refcount member from unsigned char to unsigned short,
716         add refcount_infinity static data member, adjust comments.
717         * pt.c (tinst_level::refcount_infinity): Define.
718         (inc_refcount_use): Remove assert, don't increment if refcount
719         is already refcount_infinity, adjust comment.
720         (dec_refcount_use): Remove assert, don't decrement if refcount
721         is refcount_infinity, adjust comment.
722         (push_tinst_level_loc): Formatting fix.
724 2018-04-19  Paolo Carlini  <paolo.carlini@oracle.com>
726         PR c++/84611
727         * pt.c (lookup_template_class_1): Check pushtag return value for
728         error_mark_node.
730 2018-04-19  Alexandre Oliva  <aoliva@redhat.com>
732         PR c++/80290
733         * cp-tree.h (tinst_level::free): Fix whitespace.
735 2018-04-18  Paolo Carlini  <paolo.carlini@oracle.com>
737         PR c++/84630
738         * pt.c (tsubst_lambda_expr): Check begin_lambda_type return value
739         for error_mark_node.
741 2018-04-18  Jakub Jelinek  <jakub@redhat.com>
743         PR c++/84463
744         * typeck.c (cp_build_addr_expr_1): Move handling of offsetof-like
745         tricks from here to ...
746         * cp-gimplify.c (cp_fold) <case ADDR_EXPR>: ... here.  Only use it
747         if INDIRECT_REF's operand is INTEGER_CST cast to pointer type.
749 2018-04-18  Alexandre Oliva <aoliva@redhat.com>
751         PR c++/80290
752         * cp-tree.h (struct tinst_level): Split decl into tldcl and
753         targs.  Add private split_list_p, tree_list_p, and not_list_p
754         inline const predicates; to_list private member function
755         declaration; free public member function declaration; list_p,
756         get_node and maybe_get_node accessors, and refcount data
757         member.  Narrow errors to unsigned short.
758         * error.c (print_instantiation_full_context): Use new
759         accessors.
760         (print_instantiation_partial_context_line): Likewise.  Drop
761         const from tinst_level-typed parameter.
762         * mangle.c (mangle_decl_string): Likewise.
763         * pt.c (freelist): New template class.
764         (tree_list_freelist_head): New var.
765         (tree_list_freelist): New fn, along with specializations.
766         (tinst_level_freelist_head): New var.
767         (pending_template_freelist_head): Likewise.
768         (tinst_level_freelist, pending_template_freelist): New fns.
769         (tinst_level::to_list, tinst_level::free): Define.
770         (inc_refcount_use, dec_refcount_use): New fns for tinst_level.
771         (set_refcount_ptr): New template fn.
772         (add_pending_template): Adjust for refcounting, freelists and
773         new accessors.
774         (neglectable_inst_p): Take a NULL d as a non-DECL.
775         (limit_bad_template_recursion): Use new accessors.
776         (push_tinst_level): New overload to create the list.
777         (push_tinst_level_loc): Make it static, split decl into two
778         args, adjust tests and initialization to cope with split
779         lists, use freelist, adjust for refcounting.
780         (push_tinst_level_loc): New wrapper with the old interface.
781         (pop_tinst_level): Adjust for refcounting.
782         (record_last_problematic_instantiation): Likewise.
783         (reopen_tinst_level): Likewise.  Use new accessors.
784         (instantiate_alias_template): Adjust for split list.
785         (fn_type_unification): Likewise.
786         (get_partial_spec_bindings): Likewise.
787         (instantiate_pending_templates): Use new accessors.  Adjust
788         for refcount.  Release pending_template to freelist.
789         (instantiating_current_function_p): Use new accessors.
791 2018-04-16  Alexandre Oliva <aoliva@redhat.com>
793         PR c++/85039
794         * parser.c (cp_parser_builtin_offset): Reject type definitions.
795         * mangle.c (nested_anon_class_index): Avoid crash returning -1
796         if we've seen errors.
798 2018-04-12  David Malcolm  <dmalcolm@redhat.com>
800         PR c++/85385
801         * name-lookup.c (macro_use_before_def::maybe_make): New function,
802         checking that the use is indeed before the definition.
803         (macro_use_before_def::macro_use_before_def): Make private.
804         (macro_use_before_def::~macro_use_before_def): Make private.  Move
805         check for UNKNOWN_LOCATION to macro_use_before_def::maybe_make.
806         (lookup_name_fuzzy): Call macro_use_before_def::maybe_make rather
807         than using new directly.
809 2018-04-12  Jason Merrill  <jason@redhat.com>
811         PR c++/85356 - ICE with pointer to member function.
812         * pt.c (maybe_instantiate_noexcept): Do instantiate in templates if
813         flag_noexcept_type.  Build the new spec within the function context.
814         * except.c (build_noexcept_spec): Do get constant value in templates
815         if flag_noexcept_type.
816         * decl.c (check_redeclaration_exception_specification): Don't
817         instantiate noexcept on a dependent declaration.
819 2018-04-12  Marek Polacek  <polacek@redhat.com>
821         PR c++/85258
822         * constexpr.c (reduced_constant_expression_p): Return false for null
823         trees.
825 2018-04-11  Marek Polacek  <polacek@redhat.com>
827         PR c++/85032
828         * constexpr.c (potential_constant_expression_1): Consider conversions
829         from classes to literal types potentially constant.
831 2018-04-10  Paolo Carlini  <paolo.carlini@oracle.com>
833         PR c++/70808
834         * init.c (build_zero_init_1): Handle NULLPTR_TYPE_P being true of
835         the type like TYPE_PTR_OR_PTRMEM_P.
837 2018-04-10  Jason Merrill  <jason@redhat.com>
839         PR debug/65821 - wrong location for main().
840         * call.c (clear_location_r, convert_default_arg): Revert.
841         * tree.c (break_out_target_exprs): Add clear_location parm.
842         (struct bot_data): New.
843         (bot_manip): Clear location if requested.
844         * init.c (get_nsdmi): Pass clear_location.
846 2018-04-10  David Malcolm  <dmalcolm@redhat.com>
848         PR c++/85110
849         * call.c (get_fndecl_argument_location): Make non-static.
850         * cp-tree.h (get_fndecl_argument_location): New decl.
851         * typeck.c (convert_for_assignment): When complaining due to
852         conversions for an argument, show the location of the parameter
853         within the decl.
855 2018-04-10  Jakub Jelinek  <jakub@redhat.com>
857         PR c++/85312 - P0962 cleanup
858         * parser.c (cp_parser_perform_range_for_lookup): Remove unreachable
859         diagnostics.
861 2018-04-10  Jason Merrill  <jason@redhat.com>
863         PR debug/65821 - wrong location for main().
864         * call.c (clear_location_r): New.
865         (convert_default_arg): Use it.
866         * tree.c (bot_manip): Remove builtin_LINE/FILE handling.
868         PR c++/85285 - ICE with flexible array after substitution.
869         * pt.c (instantiate_class_template_1): Check for flexible array in
870         union.
872 2018-04-09  Paolo Carlini  <paolo.carlini@oracle.com>
874         PR c++/85227
875         * decl.c (cp_finish_decomp): In a template, if the type is incomplete
876         issue a pedwarn and defer trying to do bindings.
878 2018-04-09  Jason Merrill  <jason@redhat.com>
880         PR c++/85279 - dump_expr doesn't understand decltype.
881         * error.c (dump_expr): Handle DECLTYPE_TYPE.
883         PR c++/85262 - ICE with redundant qualification on constructor.
884         * call.c (build_new_method_call_1): Move make_args_non_dependent
885         after A::A() handling.
887         PR c++/85277 - ICE with invalid offsetof.
888         * semantics.c (finish_offsetof): Avoid passing non-DECL to %qD.
889         Adjust -Winvalid-offsetof diagnostic to say conditionally supported.
891         PR c++/85264 - ICE with excess template-parameter-list.
892         * parser.c (cp_parser_check_template_parameters): Add template_id_p
893         parameter.  Don't allow an extra template header if true.
894         (cp_parser_class_head): Pass template_id_p.
895         (cp_parser_elaborated_type_specifier): Likewise.
896         (cp_parser_alias_declaration): Likewise.
897         (cp_parser_check_declarator_template_parameters): Likewise.
899 2018-04-09  Jakub Jelinek  <jakub@redhat.com>
901         PR c++/85194
902         * parser.c (cp_parser_simple_declaration): For structured bindings,
903         if *maybe_range_for_decl is NULL after parsing it, set it to
904         error_mark_node.
906 2018-04-09  Jason Merrill  <jason@redhat.com>
908         PR c++/85256 - ICE capturing pointer to VLA.
909         * lambda.c (add_capture): Distinguish between variable-size and
910         variably-modified types.
912 2018-04-06  Jason Merrill  <jason@redhat.com>
914         PR c++/85214 - ICE with alias, generic lambda, constexpr if.
915         * pt.c (extract_locals_r): Remember local typedefs.
917 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
919         PR c++/84269
920         * name-lookup.c (struct std_name_hint): Move out of
921         get_std_name_hint; add field "min_dialect".
922         (get_std_name_hint): Add min_dialect values to all initializers.
923         Add <any>, <atomic>, <bitset>, <condition_variable>, <functional>,
924         <future>, <istream>, <iterator>, <ostream>, <mutex>, <optional>,
925         <shared_mutex>, <string_view>, <thread>, and <variant>.
926         Add fstream, ifstream, and ofstream to <fstream>.
927         Add istringstream, ostringstream, and stringstream to <sstream>.
928         Add basic_string to <string>.
929         Add tuple_element and tuple_size to <tuple>.
930         Add declval to <utility>.
931         Fix ordering of <queue> and <tuple>.
932         Return a std_name_hint, rather than a const char *.
933         (get_cxx_dialect_name): New function.
934         (maybe_suggest_missing_std_header): Detect names that aren't yet
935         available in the current dialect, and instead of suggesting a
936         missing #include, warn about the dialect.
938 2018-04-06  Jakub Jelinek  <jakub@redhat.com>
940         PR c++/85210
941         * pt.c (tsubst_decomp_names): Return error_mark_node and assert
942         errorcount is set if tsubst doesn't return a VAR_DECL.
944 2018-04-06  David Malcolm  <dmalcolm@redhat.com>
946         PR c++/85021
947         * name-lookup.c (using_directives_contain_std_p): New function.
948         (has_using_namespace_std_directive_p): New function.
949         (suggest_alternatives_for): Simplify if/else logic using early
950         returns.  If no candidates were found, and there's a
951         "using namespace std;" directive, call
952         maybe_suggest_missing_std_header.
953         (maybe_suggest_missing_header): Split later part of the function
954         into..
955         (maybe_suggest_missing_std_header): New.
957 2018-04-06  Jason Merrill  <jason@redhat.com>
959         PR c++/85242 - ICE with class definition in template parm.
960         * cp-tree.h (PROCESSING_REAL_TEMPLATE_DECL_P): False if
961         processing_template_parmlist.
963         PR c++/85240 - LTO ICE with using of undeduced auto fn.
964         * cp-gimplify.c (cp_genericize_r): Discard using of undeduced auto.
966 2018-04-05  Jakub Jelinek  <jakub@redhat.com>
968         PR c++/85209
969         * pt.c (tsubst_decomp_names): Don't fail or ICE if DECL_CHAIN (decl3)
970         is not prev, if prev == decl.
972         PR c++/85208
973         * decl.c (start_decl): For DECL_DECOMPOSITION_P decls, don't call
974         maybe_apply_pragma_weak here...
975         (cp_maybe_mangle_decomp): ... but call it here instead.
977 2018-04-05  Jason Merrill  <jason@redhat.com>
979         PR c++/85136 - ICE with designated init in template.
980         * decl.c (maybe_deduce_size_from_array_init): Handle dependent
981         designated initializer.
982         (check_array_designated_initializer): Update ce->index with the
983         constant value.
985         PR c++/83808 - ICE with VLA initialization.
986         * typeck2.c (process_init_constructor_array): Don't require a VLA
987         initializer to have VLA type.
989 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
991         PR c++/80956
992         * call.c (convert_like_real): Fail gracefully for a broken
993         std::initializer_list, missing a definition.
995         * name-lookup.c (do_pushtag): Tweak message, use %< and %>.
997 2018-04-05  Paolo Carlini  <paolo.carlini@oracle.com>
999         PR c++/84792
1000         * decl.c (grokdeclarator): Fix diagnostic about typedef name used
1001         as nested-name-specifier, keep type and TREE_TYPE (decl) in sync.
1003 2018-04-05  Jason Merrill  <jason@redhat.com>
1005         PR c++/82152 - ICE with class deduction and inherited ctor.
1006         * pt.c (do_class_deduction): Ignore inherited ctors.
1008         PR c++/84665 - ICE with array of empty class.
1009         * decl2.c (cp_check_const_attributes): Use fold_non_dependent_expr.
1011         PR c++/85228 - ICE with lambda in enumerator in template.
1012         * pt.c (bt_instantiate_type_proc): Don't assume
1013         CLASSTYPE_TEMPLATE_INFO is non-null.
1015 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1017         Implement P0969
1018         * decl.c (find_decomp_class_base): Check accessibility instead
1019         of declared access, adjust diagnostic.
1021 2018-04-05  Ville Voutilainen  <ville.voutilainen@gmail.com>
1023         Implement P0961
1024         * decl.c (get_tuple_decomp_init): Check the templatedness
1025         of a member get.
1027 2018-04-05  Jason Merrill  <jason@redhat.com>
1029         PR c++/85200 - ICE with constexpr if in generic lambda.
1030         * pt.c (extract_locals_r): Don't record the local specs of variables
1031         declared within the pattern.
1033 2018-04-05  Alexandre Oliva <aoliva@redhat.com>
1035         PR c++/84979
1036         * pt.c (check_auto_in_tmpl_args): New.
1037         (tsubst_qualified_id): Use it to reject template args
1038         referencing auto for non-type templates.
1039         * parser.c (cp_parser_template_id): Likewise.
1040         * cp-tree.h (check_auto_in_tmpl_args): Declare.
1041         * typeck2.c (build_functional_cast): Report correct location
1042         for invalid use of auto.
1044 2018-04-04  Jason Merrill  <jason@redhat.com>
1046         PR c++/85215 - ICE with copy-init from conversion.
1047         * call.c (merge_conversion_sequences): Fix type of direct binding
1048         sequence.
1050         PR c++/84938 - ICE with division by ~-1.
1051         * call.c (set_up_extended_ref_temp): Call cp_fully_fold.
1053         PR c++/84936 - ICE with unexpanded pack in mem-initializer.
1054         * parser.c (cp_parser_mem_initializer_list): Call
1055         check_for_bare_parameter_packs.
1057 2018-04-04  Jakub Jelinek  <jakub@redhat.com>
1059         PR inline-asm/85172
1060         * constexpr.c (cxx_eval_builtin_function_call): For calls to
1061         builtin_valid_in_constant_expr_p functions, don't call
1062         cxx_eval_constant_expression if argument is not
1063         potential_constant_expression.
1065         PR c++/85146
1066         * cp-tree.h (calculate_bases, calculate_direct_bases): Add complain
1067         argument.
1068         * semantics.c (calculate_bases): Add complain argument.  Use
1069         complete_type_or_maybe_complain instead of just complete_type and
1070         return an empty vector if it fails.  Move make_tree_vector () call
1071         after early return.  Formatting fixes.
1072         (calculate_direct_bases): Likewise.  Call release_tree_vector at the
1073         end.
1074         (dfs_calculate_bases_post, calculate_bases_helper): Formatting fixes.
1075         * pt.c (tsubst_pack_expansion): Adjust calculate_bases and
1076         calculate_direct_bases callers, formatting fixes.
1078 2018-04-04  Jason Merrill  <jason@redhat.com>
1080         PR c++/85006 - -fconcepts ICE with A<auto...> return type
1081         * pt.c (tsubst_pack_expansion): Allow unsubstituted auto pack.
1083         PR c++/85200 - ICE with constexpr if in generic lambda.
1084         * tree.c (cp_walk_subtrees): Walk into DECL_EXPR in templates.
1086         PR c++/84221 - bogus -Wunused with attribute and template.
1087         * decl2.c (is_late_template_attribute): Handle unused and used
1088         normally on non-TYPE_DECL.
1090         PR c++/85135 - ICE with omitted template arguments.
1091         * decl.c (grokdeclarator): Catch deduced class type in trailing
1092         return type.
1094         PR c++/85133 - ICE with missing concept initializer.
1095         * decl.c (cp_finish_decl): If a concept initializer is missing, use
1096         true.
1098         PR c++/85118 - wrong error with generic lambda and std::bind.
1099         * call.c (add_template_conv_candidate): Disable if there are any
1100         call operators.
1102         PR c++/85141 - ICE with compound assignment and static member fn.
1103         * typeck.c (cp_build_modify_expr): Call decay_conversion for RHS of
1104         compound assignment.
1106         PR c++/85148 - ICE with 'this' in array NSDMI.
1107         * tree.c (replace_placeholders_r): Use handled_component_p.
1109 2018-04-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
1111         PR c++/65923
1112         * decl.c (grokfndecl): Handle standard UDL diagnostics here..
1113         * parser.c (cp_parser_unqualified_id): ..not here.
1115 2018-04-04  Alexandre Oliva <aoliva@redhat.com>
1117         PR c++/84943
1118         * typeck.c (cp_build_addr_expr_1): Mark FUNCTION_DECL as
1119         used.
1120         * decl2.c (mark_used): Return without effects if tf_conv.
1122 2018-04-03  Jason Merrill  <jason@redhat.com>
1124         PR c++/85092 - C++17 ICE with unused list constructor.
1125         * call.c (conv_binds_ref_to_prvalue): Also count ck_identity
1126         from a TARGET_EXPR.
1128         PR c++/85113 - ICE with constexpr and __builtin_constant_p.
1129         * constexpr.c (cxx_eval_builtin_function_call): Only defer
1130         __builtin_constant_p if ctx->quiet.
1132 2018-04-03  Paolo Carlini  <paolo.carlini@oracle.com>
1134         PR c++/84768
1135         * pt.c (rewrite_template_parm): If the first argument is
1136         error_mark_node return it immediately.
1137         (build_deduction_guide): Check the return value of the
1138         latter for error_mark_node.
1139         (do_class_deduction): Check the return value of the latter.
1141 2018-04-03  Jason Merrill  <jason@redhat.com>
1143         * semantics.c (finish_if_stmt_cond): Use
1144         instantiation_dependent_expression_p.
1146         PR c++/85149 - generic lambda and constexpr if.
1147         * pt.c (build_extra_args, add_extra_args): Split from
1148         tsubst_pack_expansion.
1149         (tsubst_expr) [IF_STMT]: Use them.
1150         * cp-tree.h (IF_STMT_EXTRA_ARGS): New.
1152         * typeck.c (merge_types): Limit matching attribute shortcut to
1153         the default case.
1155 2018-04-03  Jakub Jelinek  <jakub@redhat.com>
1157         PR c++/85147
1158         * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.
1160         PR c++/85140
1161         * name-lookup.c (handle_namespace_attrs): Return early if attributes
1162         is error_mark_node.
1164         PR c++/85134
1165         * decl.c (cp_finish_decl): If ensure_literal_type_for_constexpr_object
1166         fails, after clearing DECL_DECLARED_CONSTEXPR_P don't return early,
1167         instead for static data members clear init and set DECL_EXTERNAL.
1169 2018-04-02  Jason Merrill  <jason@redhat.com>
1171         PR c++/64095 - auto... parameter pack.
1172         * parser.c (cp_parser_parameter_declaration): Handle turning autos
1173         into packs here.
1174         (cp_parser_parameter_declaration_list): Not here.
1176 2018-03-31  Alexandre Oliva <aoliva@redhat.com>
1178         PR c++/85027
1179         * class.c (instantiate_type): Peel off SAVE_EXPR before
1180         BASELINK.
1182 2018-03-30  Jason Merrill  <jason@redhat.com>
1184         * typeck2.c (process_init_constructor_record): Use
1185         init_list_type_node for the CONSTRUCTOR around an anonymous union
1186         designated initializer.
1188 2018-03-30  Jakub Jelinek  <jakub@redhat.com>
1190         PR c++/84791
1191         * semantics.c (finish_omp_reduction_clause): If
1192         OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
1193         even if processing_template_decl.
1195 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1197         PR c++/84269
1198         * name-lookup.c (get_std_name_hint): Add names from <memory>,
1199         <tuple>, and <utility>.
1201 2018-03-29  Jason Merrill  <jason@redhat.com>
1203         PR c++/85093 - too many template args with pack expansion.
1204         * pt.c (coerce_template_parms): Keep pack expansion args that will
1205         need to be empty.
1207 2018-03-29  Jason Merrill  <jason@redhat.com>
1209         * pt.c (build_non_dependent_expr): Propagate expr location.
1211 2018-03-27  Jason Merrill  <jason@redhat.com>
1213         PR c++/85060 - wrong-code with call to base member in template.
1214         * search.c (any_dependent_bases_p): Check uses_template_parms
1215         rather than processing_template_decl.
1217 2018-03-29  David Malcolm  <dmalcolm@redhat.com>
1219         PR c++/85110
1220         * typeck.c (convert_for_assignment): When complaining due to
1221         conversions for an argument, attempt to use the location of the
1222         argument.
1224 2018-03-28  Paolo Carlini  <paolo.carlini@oracle.com>
1226         PR c++/85028
1227         * pt.c (tsubst_default_argument): Early return if the type of the
1228         parameter is erroneous.
1230 2018-03-28  Alexandre Oliva <aoliva@redhat.com>
1232         PR c++/84973
1233         * decl2.c (note_vague_linkage_fn): Don't defer uninstantiated
1234         templates.
1236         PR c++/84968
1237         * tree.c (strip_typedefs_expr): Reject STATEMENT_LISTs.
1239 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1241         PR c++/85067
1242         * method.c (defaulted_late_check): Partially revert r253321 changes,
1243         do not early return upon error.
1245 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1247         PR c++/85077
1248         * cp-gimplify.c (cp_fold) <case CONSTRUCTOR>: For ctors with vector
1249         type call fold to generate VECTOR_CSTs when possible.
1251         PR c++/85076
1252         * tree.c (cp_build_reference_type): If to_type is error_mark_node,
1253         return it right away.
1255 2018-03-27  Volker Reichelt  <v.reichelt@netcologne.de>
1257         * search.c (check_final_overrider): Use inform instead of error
1258         for the diagnostics of the overridden functions.  Tweak wording.
1260 2018-03-27  Jakub Jelinek  <jakub@redhat.com>
1262         PR c++/85068
1263         * class.c (update_vtable_entry_for_fn): Don't ICE if base_binfo
1264         is NULL.  Assert if thunk_binfo is NULL then errorcount is non-zero.
1266 2018-03-27  Paolo Carlini  <paolo.carlini@oracle.com>
1267             Jason Merrill  <jason@redhat.com>
1269         PR c++/84632
1270         * init.c (build_aggr_init): When initializing from array,
1271         reject anything but CONSTRUCTORs and TARGET_EXPRs.
1272         (build_vec_init): Handle separately ARRAY_TYPEs.
1274 2018-03-26  Jason Merrill  <jason@redhat.com>
1276         PR c++/85062 - ICE with alignas in wrong place.
1277         * decl.c (grokdeclarator): Ignore attributes on type-specifiers
1278         here.
1280         PR c++/85049 - ICE with __integer_pack.
1281         * pt.c (unify_pack_expansion): Don't try to deduce generated packs.
1282         * cp-tree.h (TEMPLATE_PARM_P): New.
1284 2018-03-23  Jason Merrill  <jason@redhat.com>
1286         PR c++/78489 - wrong SFINAE behavior.
1288         PR c++/84489
1289         * pt.c (type_unification_real): Don't defer substitution failure.
1291 2018-03-23  Jakub Jelinek  <jakub@redhat.com>
1293         PR c++/85015
1294         * decl.c (compute_array_index_type): Set osize to mark_rvalue_use
1295         result.
1297         PR c++/84942
1298         * pt.c (tsubst_copy_and_build) <case FIX_TRUNC_EXPR>: Replace
1299         cp_build_unary_op call with gcc_unreachable ().
1301 2018-03-23  Marek Polacek  <polacek@redhat.com>
1303         PR c++/85045
1304         * cxx-pretty-print.c (cxx_pretty_printer::multiplicative_expression):
1305         Handle EXACT_DIV_EXPR and RDIV_EXPR.  Tweak condition.
1306         (cxx_pretty_printer::expression): Handle EXACT_DIV_EXPR and RDIV_EXPR.
1308 2018-03-23  Ville Voutilainen  <ville.voutilainen@gmail.com>
1310         Implement P0962
1311         * parser.c (cp_parser_perform_range_for_lookup): Change
1312         the condition for deciding whether to use members.
1314 2018-03-23  Marek Polacek  <polacek@redhat.com>
1316         PR c++/85033
1317         * semantics.c (finish_offsetof): Don't allow CONST_DECLs.
1319 2018-03-23  Alexandre Oliva <aoliva@redhat.com>
1321         PR c++/71251
1322         * parser.c (cp_parser_alias_declaration): Call
1323         parser_check_template_parameters.
1325         PR c++/84789
1326         * pt.c (resolve_typename_type): Drop assert that stopped
1327         simplification to template-independent types.  Add assert to
1328         verify the initial scope is template dependent.
1329         * parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
1330         Reparse the id expression as a type-name, not a declarator.
1332         PR c++/84729
1333         * init.c (build_vec_init): Error at parenthesized array init.
1335         PR c++/84610
1336         PR c++/84642
1337         PR c++/84942
1338         * cp-tree.h (temp_override): New template class, generalizing
1339         a cleanup that was only used...
1340         * parser.c (cp_parser_parameter_declaration_clause):
1341         ... here for auto_is_implicit_function_template_parm_p.
1342         (cp_parser_gnu_attributes_opt): Use it here as well.
1343         (cp_parser_std_attribute): Likewise.
1345 2018-03-22  Marek Polacek  <polacek@redhat.com>
1347         PR c++/84854
1348         * semantics.c (finish_if_stmt_cond): Check if the type of the condition
1349         is boolean.
1351 2018-03-21  Jason Merrill  <jason@redhat.com>
1353         PR c++/81311 - wrong C++17 overload resolution.
1354         * call.c (build_user_type_conversion_1): Remove C++17 code.
1355         (conv_binds_ref_to_prvalue): New.
1356         (build_over_call): Handle C++17 copy elision.
1357         (build_special_member_call): Only do C++17 copy elision here if the
1358         argument is already the right type.
1360 2018-03-21  Alexandre Oliva <aoliva@redhat.com>
1362         PR c++/71965
1363         * init.c (build_vec_init): Silence error, former sorry,
1364         without tf_error.
1366         PR c++/84610
1367         PR c++/84642
1368         * parser.c (abort_fully_implicit_template_p): New.
1369         (cp_parser_skip_to_end_of_statement): Use it.
1370         (cp_parser_skip_to_end_of_block_or_statement): Likewise.
1371         (finish_fully_implicit_template_p): Clear
1372         implicit_template_parms and implicit_template_scope.
1374 2018-03-21  Paolo Carlini  <paolo.carlini@oracle.com>
1376         PR c++/84972
1377         * decl.c (maybe_deduce_size_from_array_init): Set TREE_TYPE to
1378         error_mark_node when check_array_designated_initializer fails.
1380 2018-03-21  Jakub Jelinek  <jakub@redhat.com>
1382         PR c++/84961
1383         * cp-tree.h (genericize_compound_lvalue): Declare.
1384         * typeck.c (genericize_compound_lvalue): New function.
1385         (unary_complex_lvalue, cp_build_modify_expr): Use it.
1386         * semantics.c (finish_asm_stmt): Replace MODIFY_EXPR, PREINCREMENT_EXPR
1387         and PREDECREMENT_EXPR in output and "m" constrained input operands with
1388         COMPOUND_EXPR.  Call cxx_mark_addressable on the rightmost
1389         COMPOUND_EXPR operand.
1391 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1393         PR c++/85008
1394         * tree.c (decl_linkage): Use DECL_CLONED_FUNCTION_P.
1395         * decl2.c (vague_linkage_p): Likewise.
1397 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1399         PR c++/84994
1400         * constexpr.c (constexpr_fn_retval): Make non-"static".
1401         * cp-tree.h (constexpr_fn_retval): New decl.
1402         * search.c (direct_accessor_p): Update leading comment.
1403         (reference_accessor_p): Likewise.
1404         (field_accessor_p): Replace check that function body is a
1405         RETURN_EXPR with a call to constexpr_fn_retval.  Fix
1406         indentation of "field_type" decl.
1408 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1410         PR c++/84804
1411         * name-lookup.c (do_pushtag): Permit lambdas to be pushed into
1412         complete classes.
1414 2018-03-21  Martin Sebor  <msebor@redhat.com>
1416         PR c++/84850
1417         * call.c (first_non_public_field): New template and function.
1418         (first_non_trivial_field): New function.
1419         (maybe_warn_class_memaccess): Call them.
1421 2018-03-21  David Malcolm  <dmalcolm@redhat.com>
1423         PR c++/84892
1424         * search.c (field_accessor_p): Use class_of_this_parm rather than
1425         type_of_this_parm, to check that "this" is a "const T *", rather
1426         than a "T *const".
1428 2018-03-21  Nathan Sidwell  <nathan@acm.org>
1430         * class.c (finish_struct_anon_r): Refactor, deprecate anything
1431         other than public non-static data members.
1432         * parser.c (cp_parser_init_declarator): Deprecate attributes after
1433         parenthesized initializer.
1435         PR c++/84836
1436         * name-lookup.c (update_binding): Correct logic for local binding
1437         update.
1439 2018-03-21  Marek Polacek  <polacek@redhat.com>
1441         PR c++/71638, ICE with NSDMI and reference.
1442         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1443         even when we replace an element.
1445 2018-03-20  Marek Polacek  <polacek@redhat.com>
1447         PR c++/84978, ICE with NRVO.
1448         * constexpr.c (cxx_eval_constant_expression): Handle the case when
1449         a RESULT_DECL isn't in the hash map.
1451 2018-03-20  Jason Merrill  <jason@redhat.com>
1453         PR c++/84978, ICE with NRVO.
1454         * cvt.c (cp_get_fndecl_from_callee): Add fold parameter.
1455         (cp_get_callee_fndecl_nofold): New.
1456         * cp-gimplify.c (cp_genericize_r): Use it instead.
1457         * call.c (check_self_delegation): Likewise.
1459 2018-03-20  Nathan Sidwell  <nathan@acm.org>
1461         PR c++/84962
1462         * name-lookup.c (pushdecl_class_level): Push anon-struct's
1463         member_vec, if there is one.
1465         PR c++/84970
1466         * cp-tree.h (lookup_list_keep): Declare.
1467         * tree.c (lookup_list_keep): New, broken out of ...
1468         (build_min): ... here.  Call it.
1469         * decl.c (cp_finish_decl): Call lookup_list_keep.
1471 2018-03-19  Jason Merrill  <jason@redhat.com>
1473         PR c++/84937 - ICE with class deduction and auto.
1474         * pt.c (rewrite_template_parm): Fix auto handling.
1476 2018-03-19  Marek Polacek  <polacek@redhat.com>
1478         PR c++/84925
1479         * pt.c (enclosing_instantiation_of): Check if fn is null.
1481         PR c++/84927
1482         * constexpr.c (cxx_eval_bare_aggregate): Update constructor's flags
1483         as we evaluate the elements.
1484         (cxx_eval_constant_expression): Verify constructor's flags
1485         unconditionally.
1487 2018-03-19  Jason Merrill  <jason@redhat.com>
1489         PR c++/71834 - template-id with too few arguments.
1490         * pt.c (coerce_template_parms): Check fixed_parameter_pack_p.
1492 2018-03-19  Nathan Sidwell  <nathan@acm.org>
1494         PR c++/84835
1495         * lambda.c (maybe_add_lambda_conv_op): Force C++ linkage.
1496         * pt.c (build_template_decl): Propagate language linkage.
1498         PR c++/84812
1499         * name-lookup.c (set_local_extern_decl_linkage): Defend against
1500         ambiguous lookups.
1502 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1504         PR c/84910
1505         * parser.c (cp_parser_lambda_introducer): Remove trailing space from
1506         diagnostics.
1507         * method.c (synthesize_method): Likewise.
1508         * pt.c (convert_nontype_argument): Likewise.
1510 2018-03-16  Jason Merrill  <jason@redhat.com>
1512         PR c++/84720 - ICE with rvalue ref non-type argument.
1513         * pt.c (invalid_nontype_parm_type_p): Prohibit rvalue reference.
1514         (convert_nontype_argument): Revert earlier change.
1516         PR c++/80227 - SFINAE and negative array size.
1517         * decl.c (compute_array_index_type): Use
1518         build_converted_constant_expr and valid_constant_size_p.
1520         PR c++/84906 - silent wrong code with ambiguous conversion.
1521         * call.c (build_user_type_conversion_1): Set need_temporary_p on
1522         ambiguous conversion.
1523         (convert_like_real): Check it.
1525         PR c++/83937 - wrong C++17 handling of init-list ctor argument.
1526         * call.c (build_special_member_call): Don't convert an init-list
1527         argument directly to the class type.
1529 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1531         PR c++/79937
1532         PR c++/82410
1533         * cp-tree.h (CONSTRUCTOR_PLACEHOLDER_BOUNDARY): Define.
1534         (find_placeholder): Declare.
1535         * tree.c (struct replace_placeholders_t): Add exp member.
1536         (replace_placeholders_r): Don't walk into ctors with
1537         CONSTRUCTOR_PLACEHOLDER_BOUNDARY flag set, unless they are equal to
1538         d->exp.  Replace PLACEHOLDER_EXPR with unshare_expr (x) rather than x.
1539         (replace_placeholders): Initialize data.exp.
1540         (find_placeholders_r, find_placeholders): New functions.
1541         * typeck2.c (process_init_constructor_record,
1542         process_init_constructor_union): Set CONSTRUCTOR_PLACEHOLDER_BOUNDARY
1543         if adding NSDMI on which find_placeholder returns true.
1544         * call.c (build_over_call): Don't call replace_placeholders here.
1545         * cp-gimplify.c (cp_genericize_r): Set TARGET_EXPR_NO_ELIDE on
1546         TARGET_EXPRs with CONSTRUCTOR_PLACEHOLDER_BOUNDARY set on
1547         TARGET_EXPR_INITIAL.
1548         (cp_fold): Copy over CONSTRUCTOR_PLACEHOLDER_BOUNDARY bit to new
1549         ctor.
1551 2018-03-16  Jason Merrill  <jason@redhat.com>
1553         PR c++/83911 - ICE with multiversioned constructor.
1554         * cp-gimplify.c (cp_genericize_r): Replace versioned function with
1555         dispatchere here.
1556         * call.c (build_over_call): Not here.
1558 2018-03-16  Jakub Jelinek  <jakub@redhat.com>
1560         PR c++/84874
1561         * decl.c (reshape_init_class): Don't assert d->cur->index == field
1562         if d->cur->index is a FIELD_DECL, instead set field to d->cur->index.
1564 2018-03-15  Jakub Jelinek  <jakub@redhat.com>
1566         PR c++/84222
1567         * cp-tree.h (cp_warn_deprecated_use): Declare.
1568         * tree.c (cp_warn_deprecated_use): New function.
1569         * typeck2.c (build_functional_cast): Use it.
1570         * decl.c (grokparms): Likewise.
1571         (grokdeclarator): Likewise.  Temporarily push nested class scope
1572         around grokparms call for out of class member definitions.
1574 2018-03-14  Jason Merrill  <jason@redhat.com>
1576         PR c++/84820 - no error for invalid qualified-id.
1577         * parser.c (cp_parser_make_indirect_declarator): Don't wrap
1578         cp_error_declarator.
1580         PR c++/84801 - ICE with unexpanded pack in lambda.
1581         * pt.c (check_for_bare_parameter_packs): Don't return early for a
1582         lambda in non-template context.
1584         PR c++/81236 - auto variable and auto function
1585         * pt.c (tsubst_baselink): Update the type of the BASELINK after
1586         mark_used.
1588 2018-03-14  Jason Merrill  <jason@redhat.com>
1590         PR c++/83916 - ICE with template template parameters.
1591         * pt.c (convert_template_argument): Don't substitute into type of
1592         non-type parameter if we don't have enough arg levels.
1593         (unify): Likewise.
1595 2018-03-14  Marek Polacek  <polacek@redhat.com>
1597         PR c++/84596
1598         * semantics.c (finish_static_assert): Check
1599         instantiation_dependent_expression_p instead of
1600         {type,value}_dependent_expression_p.
1602 2018-03-13  Paolo Carlini  <paolo.carlini@oracle.com>
1603             Jason Merrill  <jason@redhat.com>
1605         PR c++/82336 - link error with list-init default argument.
1606         * decl.c (check_default_argument): Unshare an initializer list.
1608 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1610         PR c++/84843
1611         * decl.c (duplicate_decls): For redefinition of built-in, use error
1612         and return error_mark_node.  For redeclaration, return error_mark_node
1613         rather than olddecl if !flag_permissive.
1615 2018-03-13  Jason Merrill  <jason@redhat.com>
1617         PR c++/82565 - ICE with concepts and generic lambda.
1618         * pt.c (instantiate_decl): Clear fn_context for lambdas.
1620 2018-03-13  Jason Merrill  <jason@redhat.com>
1622         PR c++/84720 - ICE with rvalue ref non-type argument.
1623         * pt.c (convert_nontype_argument): Handle rvalue references.
1625         PR c++/84839 - ICE with decltype of parameter pack.
1626         * pt.c (tsubst_pack_expansion): Set cp_unevaluated_operand while
1627         instantiating dummy parms.
1629         * parser.c (cp_parser_simple_type_specifier): Pedwarn about auto
1630         parameter even without -Wpedantic.
1632         PR c++/84798 - ICE with auto in abstract function declarator.
1633         * parser.c (cp_parser_parameter_declaration_clause): Check
1634         parser->default_arg_ok_p.
1636 2018-03-13  Jakub Jelinek  <jakub@redhat.com>
1638         PR c++/84808
1639         * constexpr.c (find_array_ctor_elt): Don't use elt reference after
1640         first potential CONSTRUCTOR_ELTS reallocation.  Convert dindex to
1641         sizetype.  Formatting fixes.
1643 2018-03-12  Jason Merrill  <jason@redhat.com>
1645         PR c++/84355 - ICE with deduction for member class template.
1646         * pt.c (tsubst) [TEMPLATE_TYPE_PARM]: Always substitute into
1647         CLASS_PLACEHOLDER_TEMPLATE.
1649         PR c++/84802 - ICE capturing uninstantiated class.
1650         * lambda.c (build_capture_proxy): Call complete_type.
1652 2018-03-09  Jason Merrill  <jason@redhat.com>
1654         PR c++/84770 - ICE with typedef and parameter pack.
1655         * pt.c (verify_unstripped_args_1): Split out from
1656         verify_unstripped_args.
1658         PR c++/84785 - ICE with alias template and default targs.
1659         * pt.c (type_unification_real): Set processing_template_decl if
1660         saw_undeduced == 1.
1662         PR c++/84752 - ICE with capture of constexpr array.
1663         * call.c (standard_conversion): Set rvaluedness_matches_p on the
1664         identity conversion under ck_lvalue.
1666 2018-03-09  Jason Merrill  <jason@redhat.com>
1667             Paolo Carlini  <paolo.carlini@oracle.com>
1669         PR c++/71169
1670         PR c++/71832
1671         * pt.c (any_erroneous_template_args_p): New.
1672         * cp-tree.h (any_erroneous_template_args_p): Declare it.
1673         * parser.c (cp_parser_class_specifier_1): Use it.
1675 2018-03-09  Jason Merrill  <jason@redhat.com>
1677         PR c++/84726 - unnecessary capture of constant vars.
1678         * cp-tree.h (LAMBDA_CAPTURE_EXPLICIT_P)
1679         (LAMBDA_EXPR_CAPTURE_OPTIMIZED): New.
1680         * expr.c (mark_use): Set LAMBDA_EXPR_CAPTURE_OPTIMIZED.
1681         * lambda.c (is_constant_capture_proxy)
1682         (current_lambda_expr, var_to_maybe_prune, mark_const_cap_r)
1683         (prune_lambda_captures): New.
1684         (finish_lambda_function): Call prune_lambda_captures.
1686 2018-03-09  Jason Merrill  <jason@redhat.com>
1687             Jakub Jelinek  <jakub@redhat.com>
1689         PR c++/84076
1690         * call.c (convert_arg_to_ellipsis): Instead of cp_build_addr_expr
1691         build ADDR_EXPR with REFERENCE_TYPE.
1692         (build_over_call): For purposes of check_function_arguments, if
1693         argarray[j] is ADDR_EXPR with REFERENCE_TYPE created above, use
1694         its operand rather than the argument itself.
1696 2018-03-09  Jakub Jelinek  <jakub@redhat.com>
1698         PR c++/84724
1699         * decl.c (duplicate_decls): Don't override __* prefixed builtins
1700         except for __[^b]*_chk, instead issue permerror and for -fpermissive
1701         also a note and return olddecl.
1703 2018-03-09  Nathan Sidwell  <nathan@acm.org>
1705         PR c++/84733
1706         * name-lookup.c (do_pushdecl_with_scope): Only clear
1707         current_function_decl when pushing a non-class (i.e. namespace)
1708         scope.
1710 2018-03-08  Jason Merrill  <jason@redhat.com>
1711             Jakub Jelinek  <jakub@redhat.com>
1713         PR c++/80598
1714         * call.c (build_over_call): In templates set TREE_USED (first_fn) when
1715         not calling mark_used for the benefit of -Wunused-function warning.
1717 2018-03-06  Jason Merrill  <jason@redhat.com>
1719         * lambda.c (is_capture_proxy_with_ref): Remove.
1720         * constexpr.c, expr.c, cp-tree.h, semantics.c: Adjust.
1722 2018-03-06  Marek Polacek  <polacek@redhat.com>
1724         PR c++/84684
1725         * constexpr.c (cxx_bind_parameters_in_call): Unshare evaluated
1726         arguments.
1728 2018-03-06  Alexandre Oliva <aoliva@redhat.com>
1730         PR c++/84231
1731         * tree.c (lvalue_kind): Use presence/absence of REFERENCE_TYPE
1732         only while processing template decls.
1733         * typeck.c (build_x_conditional_expr): Move wrapping of
1734         reference type around type...
1735         * call.c (build_conditional_expr_1): ... here.  Rename
1736         is_lvalue to is_glvalue.
1737         * parser.c (cp_parser_fold_expression): Catch REFERENCE_REF_P
1738         INDIRECT_REF of COND_EXPR too.
1740         PR c++/84593
1741         * init.c (build_zero_init_1): Zero-initialize references.
1743         PR c++/84492
1744         * semantics.c (finish_stmt_expr_expr): Reject unresolved
1745         overloads used as stmt expr values.
1747 2018-03-05  Jason Merrill  <jason@redhat.com>
1749         PR c++/84708 - ICE with lambda in local class NSDMI.
1750         * lambda.c (lambda_expr_this_capture): Handle local class NSDMI
1751         context.
1753 2018-03-05  Jakub Jelinek  <jakub@redhat.com>
1755         PR c++/84684
1756         * constexpr.c (constexpr_call_hasher::equal): Return false if
1757         lhs->hash != rhs->hash.  Change return 1 to return true and
1758         return 0 to return false.
1760 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1762         PR c++/84702
1763         * pt.c (process_template_arg): Mark lookup_keep on a default arg.
1765 2018-03-05  Marek Polacek  <polacek@redhat.com>
1767         PR c++/84707
1768         * decl.c (duplicate_decls): Check DECL_NAME before accessing
1769         UDLIT_OPER_P.
1771 2018-03-05  Nathan Sidwell  <nathan@acm.org>
1773         PR c++/84694
1774         * friend.c (do_friend): Restore check for identifier_p inside
1775         TEMPLATE_ID_EXPR.
1777 2018-03-05  Paolo Carlini  <paolo.carlini@oracle.com>
1779         PR c++/84618
1780         * parser.c (cp_parser_lambda_introducer): Reject any capture not
1781         involving a VAR_DECL or a PARM_DECL.
1783 2018-03-05  Pádraig Brady  <P@draigBrady.com>
1784             Jason  Merrill  <jason@redhat.com>
1785             Nathan Sidwell  <nathan@acm.org>
1787         PR c++/84497
1788         * decl2.c (get_tls_init_fn): Check TYPE_HAS_TRIVIAL_DFLT too.
1790 2018-03-03  Jason Merrill  <jason@redhat.com>
1792         PR c++/84686 - missing volatile loads.
1793         * cvt.c (convert_to_void): Call maybe_undo_parenthesized_ref.
1795 2018-03-03  Paolo Carlini  <paolo.carlini@oracle.com>
1797         PR c++/71464
1798         * optimize.c (maybe_thunk_body): Bail out immediately if either
1799         fns[0] or fns[1] is null.
1801 2018-03-02  Marek Polacek  <polacek@redhat.com>
1803         PR c++/84578
1804         * constexpr.c (get_array_or_vector_nelts): New.
1805         (cxx_eval_array_reference): Use it.
1806         (cxx_eval_vec_init_1): Likewise.
1807         (cxx_eval_store_expression): Likewise.
1809 2018-03-02  Jason Merrill  <jason@redhat.com>
1811         * semantics.c (force_paren_expr): Remove redundant test.
1813 2018-03-02  Marek Polacek  <polacek@redhat.com>
1815         PR c++/84663
1816         * decl.c (cp_complete_array_type): Check error_mark_node.
1818         PR c++/84664
1819         * typeck.c (cp_perform_integral_promotions): Check the result of
1820         mark_rvalue_use.
1822 2018-03-02  Jakub Jelinek  <jakub@redhat.com>
1824         PR c++/84662
1825         * pt.c (tsubst_copy_and_build) <case TEMPLATE_ID_EXPR>: Use
1826         RETURN instead of return.
1827         <case POINTER_PLUS_EXPR>: Likewise.
1828         <case CONVERT_EXPR>: If op0 is error_mark_node, just return
1829         it instead of wrapping it into CONVERT_EXPR.
1831 2018-03-02  Jason Merrill  <jason@redhat.com>
1833         Fix MIPS16 ICE.
1834         * pt.c (type_dependent_expression_p): Check DECL_LANG_SPECIFIC.
1836 2018-03-02  Marek Polacek  <polacek@redhat.com>
1838         PR c++/84590
1839         * cp-gimplify.c (cp_fully_fold): Unwrap TARGET_EXPR or a CONSTRUCTOR
1840         wrapped in VIEW_CONVERT_EXPR.
1842 2018-03-01  Martin Sebor  <msebor@redhat.com>
1844         PR c++/84294
1845         * decl.c (check_redeclaration_no_default_args): Merge attributes
1846         specified on redeclarations of the same function template.
1847         Remove dead code.
1849 2018-03-01  Marek Polacek  <polacek@redhat.com>
1850             Jason Merrill  <jason@redhat.com>
1852         PR c++/84582
1853         * semantics.c (force_paren_expr): Create a PAREN_EXPR when in
1854         a template.
1855         (maybe_undo_parenthesized_ref): Unwrap PAREN_EXPR.
1856         * typeck2.c (store_init_value): Call fold_non_dependent_expr instead
1857         of instantiate_non_dependent_expr.
1858         * tree.c (lvalue_kind): Handle PAREN_EXPR like NON_DEPENDENT_EXPR.
1860 2018-03-01  Nathan Sidwell  <nathan@acm.org>
1862         PR c++/84434
1863         * name-lookup.c (member_vec_dedup): Remove manually peeled
1864         iteration.  Ignore dependent ctor inheritance.
1866 2018-03-01  Jason Merrill  <jason@redhat.com>
1868         PR c++/71569 - decltype of template.
1869         * parser.c (cp_parser_decltype_expr): Handle missing template args.
1871 2018-03-01  Marek Polacek  <polacek@redhat.com>
1873         PR c++/84596
1874         * constexpr.c (require_rvalue_constant_expression): New function.
1875         * cp-tree.h: Declare it.
1876         * semantics.c (finish_static_assert): Use it instead of
1877         require_potential_rvalue_constant_expression.
1879 2018-03-01  Jason Merrill  <jason@redhat.com>
1880             Alexandre Oliva <aoliva@redhat.com>
1882         PR c++/71569 - ICE with redundant args on member variable template.
1883         * decl.c (start_decl): Handle partial specialization of member
1884         variable template.
1885         * pt.c (determine_specialization): Allow partial specialization
1886         of member variable template without specializing enclosing class.
1887         (process_partial_specialization): Improve error message.
1889 2018-02-28  Jason Merrill  <jason@redhat.com>
1891         PR c++/71784 - ICE with ref-qualifier and explicit specialization.
1892         * pt.c (determine_specialization): Check ref-qualifier.
1894 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1896         PR c++/84609
1897         * parser.c (cp_parser_attributes_opt): Formatting fix.
1898         (cp_parser_skip_balanced_tokens, cp_parser_skip_gnu_attributes_opt,
1899         cp_parser_skip_std_attribute_spec_seq, cp_parser_skip_attributes_opt):
1900         New functions.
1901         (cp_parser_member_declaration): Use cp_parser_skip_attributes_opt
1902         instead of tentative parse to peek over optional attribute tokens
1903         to check for CPP_COLON after them.
1905         PR c++/83871
1906         PR c++/83503
1907         * pt.c (INCLUDE_STRING): Remove define.
1908         (warn_spec_missing_attributes): Use pretty_printer instead of
1909         std::string.  Fix up inform call so that the list of attributes
1910         is in %s argument.
1912 2018-02-28  Martin Sebor  <msebor@redhat.com>
1914         PR testsuite/84617
1915         * decl.c (duplicate_decls): Fully merge attributes const, pure,
1916         and malloc.
1918 2018-02-28  Nathan Sidwell  <nathan@acm.org>
1920         PR c++/84602
1921         * name-lookup.h (search_anon_aggr): Add defaulted WANT_TYPE arg.
1922         * name-lookup.c (fields_linear_search): Look in an anon-aggr
1923         regardless of want_type.
1924         (search_anon_aggr): Just use get_class_binding_direct.
1926 2018-02-28  Jakub Jelinek  <jakub@redhat.com>
1928         * decl.c (cp_finish_decomp): Don't adjust eltscnt when calling
1929         inform_n.
1931 2018-02-27  Martin Sebor  <msebor@redhat.com>
1933         * pt.c: Avoid including <string> directly.
1935 2018-02-27  Martin Sebor  <msebor@redhat.com>
1937         PR c++/83871
1938         PR c++/83503
1939         * cp-tree.h (warn_spec_missing_attributes): New function.
1940         ((check_explicit_specialization): Add an argument.  Call the above
1941         function.
1942         * decl.c (duplicate_decls): Avoid applying primary function template's
1943         attributes to its explicit specializations.
1944         cp/pt.c (warn_spec_missing_attributes): Define.
1946 2018-02-27  HÃ¥kon Sandsmark  <hsandsmark@gmail.com>
1948         PR c++/71546 - lambda init-capture with qualified-id.
1949         * parser.c (cp_parser_lambda_introducer): Clear scope after
1950         each lambda capture.
1952 2018-02-27  Nathan Sidwell  <nathan@acm.org>
1954         PR c++/84426
1955         * name-lookup.h (get_member_slot): Rename ...
1956         (find_member_slot): ... here.
1957         (add_member_slot): New.
1958         * name-lookup.c (member_vec_linear_search): No need to check for
1959         NULL slot.
1960         (get_member_slot): Rename ...
1961         (find_member_slot): ... here.  Don't add slot for incomplete class.
1962         (add_member_slot): New.
1963         * class.c (add_method): Adjust get_member_slot rename.  Bail out
1964         if push_class_level_binding fails.  Create slot and grok
1965         properties once we're committed to insertion.
1967 2018-02-27  Jason Merrill  <jason@redhat.com>
1969         PR c++/84489 - dependent default template argument
1970         * pt.c (type_unification_real): Handle early substitution failure.
1972 2018-02-26  Jason Merrill  <jason@redhat.com>
1974         PR c++/84560 - ICE capturing multi-dimensional VLA.
1975         * tree.c (array_of_runtime_bound_p): False if the element is
1976         variably-modified.
1978         PR c++/84441 - ICE with base initialized from ?:
1979         * call.c (unsafe_copy_elision_p): Handle COND_EXPR.
1981         PR c++/84520 - ICE with generic lambda in NSDMI.
1982         * lambda.c (lambda_expr_this_capture): Don't look for fake NSDMI
1983         'this' in a generic lambda instantiation.
1985         PR c++/84559 - ICE with constexpr VLA.
1986         * constexpr.c (ensure_literal_type_for_constexpr_object): Check
1987         for constexpr variable with VLA type.
1989 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
1991         PR c++/84558
1992         * constexpr.c (cxx_eval_vec_init_1): For reuse, treat NULL eltinit like
1993         a valid constant initializer.  Formatting fixes.
1995 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
1997         PR c++/84540
1998         * pt.c (tsubst_attributes): Handle correctly tsubst_attribute
1999         returning NULL_TREE.
2000         (apply_late_template_attributes): Likewise.
2002 2018-02-26  Jakub Jelinek  <jakub@redhat.com>
2004         PR c++/84557
2005         * parser.c (cp_parser_omp_var_list_no_open): Only call
2006         cp_parser_lookup_name_simple on names satisfying identifier_p.
2007         (cp_parser_oacc_routine): Likewise.
2009 2018-02-26  Jason Merrill  <jason@redhat.com>
2011         PR c++/84551 - ICE with concepts and -g.
2012         * parser.c (add_debug_begin_stmt): Do nothing in a concept.
2014 2018-02-26  Marek Polacek  <polacek@redhat.com>
2016         PR c++/84325
2017         * tree.c (replace_placeholders_r): Only check TREE_CONSTANT on
2018         non-types.
2020 2018-02-26  Jason Merrill  <jason@redhat.com>
2022         PR c++/84447 - ICE with deleted inherited ctor with default arg.
2023         * call.c (build_over_call): Handle deleted functions in one place.
2025 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2027         PR c++/84533
2028         * decl.c (redeclaration_error_message): Don't try to use
2029         DECL_DECLARED_CONSTEXPR_P on CONST_DECLs.
2031 2018-02-26  Paolo Carlini  <paolo.carlini@oracle.com>
2033         * lambda.c (build_capture_proxy): Define static.
2034         * cp-tree.h (build_capture_proxy): Remove.
2036 2018-02-26  Marek Polacek  <polacek@redhat.com>
2038         PR c++/84537
2039         * name-lookup.c (suggest_alternative_in_explicit_scope): Return false
2040         if name is error node.
2042 2018-02-25  Jason Merrill  <jason@redhat.com>
2044         PR c++/84015 - ICE with class deduction and auto template parm.
2045         * pt.c (rewrite_template_parm): Use tf_partial in first tsubst.
2047 2018-02-24  Marek Polacek  <polacek@redhat.com>
2049         PR c++/83692
2050         * constexpr.c (maybe_constant_init_1): New function.
2051         (maybe_constant_init): Make it a wrapper around maybe_constant_init_1.
2052         (cxx_constant_init): New function.
2053         * cp-tree.h (cxx_constant_init): Declare.
2054         * typeck2.c (store_init_value): Call cxx_constant_init instead of
2055         cxx_constant_value.  Move the maybe_constant_init call under an 'else'.
2057 2018-02-22  Jason Merrill  <jason@redhat.com>
2059         PR c++/70468 - ICE with constructor delegation via typedef.
2060         * pt.c (tsubst_initializer_list): Check for other mem-initializers
2061         with constructor delegation.
2063 2018-02-22  Jason Merrill  <jason@redhat.com>
2065         PR c++/84424 - ICE with constexpr and __builtin_shuffle.
2066         * constexpr.c (reduced_constant_expression_p): Handle CONSTRUCTOR of
2067         VECTOR_TYPE.
2069 2018-02-22  Marek Polacek  <polacek@redhat.com>
2071         PR c++/84493
2072         * parser.c (cp_parser_braced_list): Use require_open instead of
2073         consume_open.
2075 2018-02-21  Jason Merrill  <jason@redhat.com>
2077         PR c++/84454 - ICE with pack expansion in signature.
2078         * error.c (find_typenames_r): Also stop on EXPR_PACK_EXPANSION.
2080 2018-02-20  Siddhesh Poyarekar  <siddhesh@sourceware.org>
2082         * cp-objcp-common.c (cxx_block_may_fallthru): Add case for
2083         IF_STMT.
2085 2018-02-20  Paolo Carlini  <paolo.carlini@oracle.com>
2087         PR c++/84446
2088         * parser.c (cp_parser_init_declarator): Don't call start_lambda_scope
2089         on error_mark_node.
2091 2018-02-20  Jakub Jelinek  <jakub@redhat.com>
2093         PR c++/84445
2094         * class.c (fixed_type_or_null) <case CALL_EXPR>: Only test
2095         TREE_HAS_CONSTRUCTOR if instance is not an internal function call.
2097         PR c++/84449
2098         * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
2099         returns error_mark_node, return it immediately.
2100         (break_out_target_exprs): If cp_walk_tree with bot_manip returns
2101         error_mark_node, return error_mark_node.
2103         PR c++/84455
2104         * pt.c (tsubst_lambda_expr): If not nested, increment temporarily
2105         function_depth to avoid GC during finish_lambda_function.
2107 2018-02-19  Jason Merrill  <jason@redhat.com>
2109         PR c++/84429 - ICE capturing VLA.
2110         * lambda.c (build_capture_proxy): Handle reference refs.
2112 2018-02-19  Jakub Jelinek  <jakub@redhat.com>
2114         PR c++/84448
2115         * parser.c (cp_parser_binary_expression): For no_toplevel_fold_p, if
2116         either operand is error_mark_node, set current.lhs to that instead of
2117         creating a binary op with error_mark_node operands.
2119         PR c++/84430
2120         * constexpr.c (potential_constant_expression_1): Handle OMP_SIMD.
2122 2018-02-19  Paolo Carlini  <paolo.carlini@oracle.com>
2124         PR c++/84348
2125         * decl.c (grokdeclarator): Early return error_mark_node upon
2126         ill-formed friend declaration.
2128 2018-02-16  Marek Polacek  <polacek@redhat.com>
2129             Jakub Jelinek  <jakub@redhat.com>
2131         PR c++/84192
2132         * constexpr.c (cxx_eval_constant_expression) <case RETURN_EXPR>: Don't
2133         set *jump_target to anything if jump_target is NULL.
2135 2018-02-16  Jason Merrill  <jason@redhat.com>
2137         PR c++/84151 - unnecessary volatile load with static member.
2138         * call.c (build_new_method_call_1): Avoid loading from a volatile
2139         lvalue used as the object argument for a static member function.
2141         PR c++/81853 - using-directive and constexpr.
2142         * constexpr.c (cxx_eval_constant_expression): Handle USING_STMT.
2144         PR c++/84420 - ICE with structured binding in lambda.
2145         * lambda.c (is_capture_proxy): Check DECL_DECOMPOSITION_P.
2147         PR c++/83835 - C++17 error with constructor ctors.
2148         * call.c (build_special_member_call): Set TARGET_EXPR_DIRECT_INIT_P.
2150         PR c++/82664 - ICE with reference to function template parm.
2151         * pt.c (convert_nontype_argument_function): Avoid obfuscationg
2152         NOP_EXPRs.
2154         PR c++/82764 - C++17 ICE with empty base
2155         * class.c (build_base_field_1): Set DECL_SIZE to zero for empty base.
2157 2018-02-16  Jason Merrill  <jason@redhat.com>
2159         PR c++/84421 - type-dependent if constexpr
2160         * semantics.c (finish_if_stmt_cond): Check type_dependent_expression_p.
2162 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2164         Deprecate -ffriend-injection.
2165         * decl.c (cxx_init_decl_processing): Emit warning on option.
2166         * name-lookup.c (do_pushdecl): Emit warning if we push a visible
2167         friend.
2169 2018-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
2171         PR c++/82468
2172         * decl.c (check_special_function_return_type): Reject template
2173         template parameter in deduction guide.
2175 2018-02-16  Nathan Sidwell  <nathan@acm.org>
2177         PR c++/84375
2178         * name-lookup.c (do_pushdecl): Bail out on bad local friend injection.
2180 2018-02-15  Jason Merrill  <jason@redhat.com>
2182         PR c++/83227 - C++17 ICE with init-list derived-to-base conversion.
2183         * call.c (convert_like_real): Don't use the copy-list-initialization
2184         shortcut for ck_base.
2186         PR c++/84045 - ICE with typedef and noexcept.
2187         * except.c (build_noexcept_spec): Use strip_typedefs_expr.
2189         PR c++/84376 - ICE with omitted template arguments.
2190         * pt.c (dguide_name_p): Check for IDENTIFIER_NODE.
2192         PR c++/84368 - wrong error with local variable in variadic lambda.
2193         * pt.c (tsubst_pack_expansion): Fix handling of non-packs in
2194         local_specializations.
2196 2018-02-15  Paolo Carlini  <paolo.carlini@oracle.com>
2198         PR c++/84330
2199         * constraint.cc (tsubst_constraint_info): Handle an error_mark_node
2200         as first argument.
2202 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2204         PR c++/84350
2205         * pt.c (do_auto_deduction): Don't check the TREE_TYPE of a null
2206         init, early return.
2208 2018-02-14  Nathan Sidwell  <nathan@acm.org>
2210         * decl2.c (mark_vtable_entries): Set input_location to decl's.
2211         (c_parse_final_cleanups): Restore input_location after emitting
2212         vtables.
2214 2018-02-14  Paolo Carlini  <paolo.carlini@oracle.com>
2216         * cp-tree.h (do_auto_deduction (tree, tree, tree)): Remove.
2217         (do_auto_deduction (tree, tree, tree, tsubst_flags_t,
2218         auto_deduction_context, tree, int): Add defaults.
2219         * pt.c (do_auto_deduction (tree, tree, tree)): Remove definition.
2220         (tsubst_omp_for_iterator): Adjust do_auto_deduction call, forward
2221         tsubst_flags_t argument.
2222         * init.c (build_new): Likewise.
2224 2018-02-13  Jakub Jelinek  <jakub@redhat.com>
2226         PR c++/84364
2227         * typeck.c (check_return_expr): Don't emit -Weffc++ warning
2228         about return other than *this in assignment operators if
2229         retval is type dependent expression.
2231 2018-02-13  Paolo Carlini  <paolo.carlini@oracle.com>
2233         PR c++/84333
2234         * call.c (build_conditional_expr_1): Use cp_save_expr instead of
2235         save_expr for the G++ extension.
2237 2018-02-13  Jason Merrill  <jason@redhat.com>
2239         PR c++/84080 - ICE with return type deduction and specialization.
2240         * pt.c (determine_specialization): Check uses_template_parms.
2242         Fix more variadic capture issues.
2243         * pt.c (find_parameter_packs_r): Also look at explicit captures.
2244         (check_for_bare_parameter_packs): Check current_class_type for
2245         lambda context.
2246         (extract_locals_r): Handle seeing a full instantiation of a pack.
2247         (tsubst_pack_expansion): Likewise.  Force lambda capture.
2248         * parser.c (cp_parser_lambda_introducer): Don't
2249         check_for_bare_parameter_packs.
2251         PR c++/84338 - wrong variadic sizeof.
2252         * pt.c (argument_pack_select_arg): Like the macro, but look through
2253         a pack expansion.
2254         (tsubst, tsubst_copy, dependent_template_arg_p): Use it.
2255         (extract_fnparm_pack): Do make_pack_expansion.
2256         (extract_locals_r): Do strip a pack expansion.
2257         * cp-tree.h (ARGUMENT_PACK_SELECT_ARG): Remove.
2259 2018-02-12  Jakub Jelinek  <jakub@redhat.com>
2261         PR c++/84341
2262         * parser.c (cp_parser_binary_expression): Use build_min instead of
2263         build2_loc to build the no_toplevel_fold_p toplevel binary expression.
2265 2018-02-12  Nathan Sidwell  <nathan@acm.org>
2267         PR c++/84263
2268         * parser.c (cp_parser_decltype): Push and pop
2269         deferring_access_checks.  Reorganize to avoid goto.
2271 2018-02-12  Richard Biener  <rguenther@suse.de>
2273         PR c++/84281
2274         * constexpr.c (cxx_eval_vec_init_1): Use a RANGE_EXPR to compact
2275         uniform constructors and delay allocating them fully.
2277 2018-02-09  Jason Merrill  <jason@redhat.com>
2279         PR c++/84036 - ICE with variadic capture.
2280         Handle variadic capture proxies more like non-variadic.
2281         * lambda.c (build_capture_proxy): Remove workaround.
2282         * pt.c (find_parameter_packs_r): The proxy is a pack.
2283         (instantiate_class_template_1): Remove dead lambda code.
2284         (extract_fnparm_pack): Don't make_pack_expansion.
2285         (extract_locals_r): Don't strip a pack expansion.
2286         (tsubst_pack_expansion): Handle proxy packs.  Use
2287         PACK_EXPANSION_EXTRA_ARGS less.
2288         (tsubst_decl) [FIELD_DECL]: Don't register_specialization.
2289         (tsubst_copy) [FIELD_DECL]: Don't retrieve*_specialization.
2290         [VAR_DECL]: Handle ARGUMENT_PACK_SELECT.
2291         (tsubst_expr) [DECL_EXPR]: Handle proxy packs.
2292         (tsubst_copy_and_build) [VAR_DECL]: Handle proxy packs normally.
2294 2018-02-10  Jakub Jelinek  <jakub@redhat.com>
2296         PR sanitizer/83987
2297         * tree.c (cp_free_lang_data): Revert 2018-01-23 change.
2299 2018-02-09  Jason Merrill  <jason@redhat.com>
2301         PR c++/81917 - ICE with void_t and partial specialization.
2302         * pt.c (instantiate_class_template_1): Set TYPE_BEING_DEFINED before
2303         calling most_specialized_partial_spec.
2305 2018-02-09  Nathan Sidwell  <nathan@acm.org>
2307         PR c/84293
2308         * typeck.c (cp_build_indirect_ref_1, build_reinterpret_cast_1):
2309         Pass expr location to strict_aliasing_warning.
2311 2018-02-09  Jason Merrill  <jason@redhat.com>
2313         PR c++/84296 - ICE with qualified-id in template.
2314         PR c++/83714
2315         * pt.c (unknown_base_ref_p): New.
2316         (instantiation_dependent_scope_ref_p): Use it instead of
2317         any_dependent_bases_p.
2319 2018-02-09  Marek Polacek  <polacek@redhat.com>
2320             Jakub Jelinek  <jakub@redhat.com>
2322         PR c++/83659
2323         * constexpr.c (cxx_fold_indirect_ref): Sync some changes from
2324         fold_indirect_ref_1, including poly_*int64.  Verify first that
2325         tree_fits_poly_int64_p (op01).  Formatting fixes.
2327 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2329         * constexpr.c (cxx_eval_component_reference): Use INDIRECT_REF_P.
2330         * lambda.c (build_capture_proxy): Likewise.
2331         * search.c (field_access_p): Likewise.
2332         * semantics.c (omp_clause_decl, omp_privatize_field,
2333         finish_omp_clauses): Likewise.
2335 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2337         PR c++/83806
2338         * typeck.c (decay_conversion): Use mark_rvalue_use for the special
2339         case of nullptr too.
2341 2018-02-08  Nathan Sidwell  <nathan@acm.org>
2343         * class.c (finish_struct): Fix std:initializer_list diagnostic
2344         formatting.
2346 2018-02-08  Paolo Carlini  <paolo.carlini@oracle.com>
2348         PR c++/83204
2349         * pt.c (tsubst_copy_and_build): Use force_paren_expr for INDIRECT_REF.
2351 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
2353         PR c++/84082
2354         * parser.c (cp_parser_dot_deref_incomplete): New function.
2355         (cp_parser_postfix_dot_deref_expression): Use it.
2357 2018-02-07  David Malcolm  <dmalcolm@redhat.com>
2359         PR c++/81610
2360         PR c++/80567
2361         * name-lookup.c (suggest_rid_p): New function.
2362         (lookup_name_fuzzy): Replace enum-rid-filtering logic with call to
2363         suggest_rid_p.
2365 2018-02-07  Jason Merrill  <jason@redhat.com>
2367         PR c++/84182 - ICE with captured lambda
2368         PR c++/84181
2369         * pt.c (extract_locals_r, extract_local_specs): New.
2370         (tsubst_pack_expansion): Use them.
2372 2018-02-07  Martin Liska  <mliska@suse.cz>
2374         PR c++/84059.
2375         * class.c (add_method): Append argument value.
2376         * cp-tree.h (maybe_version_functions): Add new argument.
2377         * decl.c (decls_match): Call it if a declaration does not
2378         have DECL_FUNCTION_VERSIONED.
2379         (maybe_version_functions): record argument is added.
2381 2018-02-05  Marek Polacek  <polacek@redhat.com>
2383         * class.c: Remove unused global variables.
2384         (build_primary_vtable): Don't gather statistics.
2385         (print_class_statistics): Remove.
2386         * cp-tree.h (print_class_statistics): Remove.
2387         * tree.c (cxx_print_statistics): Don't call print_class_statistics.
2389 2018-02-02  Paolo Carlini  <paolo.carlini@oracle.com>
2391         * class.c (is_really_empty_class): Use DECL_UNNAMED_BIT_FIELD.
2392         * constexpr.c (cx_check_missing_mem_inits): Likewise.
2393         * decl.c (next_initializable_field, find_decomp_class_base,
2394         cp_finish_decomp): Likewise.
2395         * typeck2.c (process_init_constructor_record): Likewise.
2397 2018-02-02  Jason Merrill  <jason@redhat.com>
2399         PR c++/84181 - ICE with lambda parm in template argument.
2400         * tree.c (strip_typedefs_expr): Use cp_tree_operand_length.
2402 2018-02-01  Jason Merrill  <jason@redhat.com>
2404         PR c++/84160 - ICE with nested variadic capture.
2405         * lambda.c (is_capture_proxy_with_ref): New.
2406         (insert_capture_proxy): Don't set DECL_CAPTURED_VARIABLE from a
2407         COMPONENT_REF.
2408         * expr.c (mark_use): Use is_capture_proxy_with_ref.
2409         * constexpr.c (potential_constant_expression_1): Likewise.
2410         * semantics.c (process_outer_var_ref): Likewise.
2412 2018-02-01  Marek Polacek  <polacek@redhat.com>
2414         PR c++/84125
2415         * typeck.c (build_address): Relax the assert when
2416         processing_template_decl.
2418 2018-02-01  Jason Merrill  <jason@redhat.com>
2420         PR c++/84126 - ICE with variadic generic lambda
2421         PR c++/84036
2422         PR c++/82249
2423         * pt.c (tsubst_pack_expansion): Handle function parameter_packs in
2424         PACK_EXPANSION_EXTRA_ARGS.
2426 2018-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
2428         PR c++/83796
2429         * call.c (convert_like_real): If w're initializing from {} explicitly
2430         call abstract_virtuals_error_sfinae.
2432 2018-01-31  Jason Merrill  <jason@redhat.com>
2433             Jakub Jelinek  <jakub@redhat.com>
2435         PR c++/83993
2436         * constexpr.c (cxx_eval_outermost_constant_expr): Build NOP_EXPR
2437         around non-constant ADDR_EXPRs rather than clearing TREE_CONSTANT
2438         on ADDR_EXPR.
2440 2018-01-31  Jakub Jelinek  <jakub@redhat.com>
2442         PR c++/83993
2443         * constexpr.c (diag_array_subscript): Emit different diagnostics
2444         if TYPE_DOMAIN (arraytype) is NULL.
2445         (cxx_eval_array_reference, cxx_eval_store_expression): For arrays
2446         with NULL TYPE_DOMAIN use size_zero_node as nelts.
2448 2018-01-31  Paolo Carlini  <paolo.carlini@oracle.com>
2450         PR c++/84092
2451         * semantics.c (finish_qualified_id_expr): When handling an
2452         UNBOUND_CLASS_TEMPLATE only adjust qualifying_class and expr.
2454 2018-01-31  Marek Polacek  <polacek@redhat.com>
2456         PR c++/84138
2457         * cp-gimplify.c (cp_fold): Check if X is an error node before
2458         calling useless_type_conversion_p.
2460 2018-01-30  Jason Merrill  <jason@redhat.com>
2462         PR c++/84091 - ICE with local class in lambda in template.
2463         * decl2.c (determine_visibility): Look for outer containing template
2464         instantiation.
2466         PR c++/84098 - ICE with lambda in template NSDMI.
2467         * pt.c (instantiate_class_template_1): Ignore more lambdas.
2469 2018-01-29  Jason Merrill  <jason@redhat.com>
2471         PR c++/68810 - wrong location for reinterpret_cast error.
2472         * cvt.c (cp_convert_to_pointer): Always build a CONVERT_EXPR when
2473         !dofold.
2475 2018-01-29  Marek Polacek  <polacek@redhat.com>
2477         PR c++/83996
2478         * constexpr.c (cxx_fold_indirect_ref): Compute ((foo *)&fooarray)[1]
2479         => fooarray[1] in offset_int.
2481 2018-01-29  Jason Merrill  <jason@redhat.com>
2483         PR c++/83942 - wrong unused warning with static_cast.
2484         * cvt.c (ocp_convert): Call mark_rvalue_use.
2486 2018-01-26  Jason Merrill  <jason@redhat.com>
2488         PR c++/83956 - wrong dtor error with anonymous union
2489         * method.c (walk_field_subobs): Variant members only affect
2490         deletedness.
2491         (maybe_explain_implicit_delete): Pass &deleted_p for diagnostic.
2493         PR c++/84036 - ICE with variadic capture.
2494         PR c++/82249
2495         * pt.c (tsubst_pack_expansion): When optimizing a simple
2496         substitution, pull a single pack expansion out of its pack.
2498         PR c++/82514 - ICE with local class in generic lambda.
2499         * pt.c (regenerated_lambda_fn_p): Remove.
2500         (enclosing_instantiation_of): Don't use it.
2501         (tsubst_function_decl): Call enclosing_instantiation_of.
2503         * pt.c (lookup_template_class_1): Add sanity check.
2504         * name-lookup.c (do_pushtag): Don't add closures to local_classes.
2506 2018-01-25  Jakub Jelinek  <jakub@redhat.com>
2508         PR c++/84031
2509         * decl.c (find_decomp_class_base): Ignore unnamed bitfields.  Ignore
2510         recursive calls that return ret.
2511         (cp_finish_decomp): Ignore unnamed bitfields.
2513 2018-01-23  Jason Merrill  <jason@redhat.com>
2515         PR c++/82249 - wrong mismatched pack length error.
2516         * pt.c (extract_fnparm_pack, tsubst_pack_expansion): Handle
2517         unsubstituted function parameter pack.
2519 2018-01-23  Paolo Carlini  <paolo.carlini@oracle.com>
2521         PR c++/83921
2522         * decl.c (check_for_uninitialized_const_var): Not static; add
2523         bool and tsubst_flags_t parameters; adjust to be used both in
2524         constexpr context and not.
2525         * constexpr.c (potential_constant_expression_1): Use the above.
2526         * cp-tree.h (check_for_uninitialized_const_var): Declare.
2528 2018-01-23  Jason Merrill  <jason@redhat.com>
2530         PR c++/83947 - ICE with auto declarations.
2531         * pt.c (do_auto_deduction): Don't deduce from an auto decl.
2532         * decl.c (undeduced_auto_decl): Limit to vars and fns.
2534 2018-01-23  David Malcolm  <dmalcolm@redhat.com>
2536         PR c++/83974
2537         * pt.c (tsubst_copy_and_build) <CONSTRUCTOR>: Remove early bailout
2538         for pointer to member function types.
2540 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2542         PR sanitizer/83987
2543         * tree.c (cp_free_lang_data): Change DECL_VALUE_EXPR of
2544         DECL_OMP_PRIVATIZED_MEMBER vars to error_mark_node.
2546 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2548         PR c++/83988
2549         * pt.c (tsubst_baselink): Remove optype assert.
2550         * ptree.c (cxx_print_xnode): <case BASELINK> Print BASELINK_OPTYPE.
2552 2018-01-23  Jakub Jelinek  <jakub@redhat.com>
2554         PR c++/83958
2555         * decl.c (cp_finish_decomp): Diagnose if reference structure binding
2556         refers to incomplete type.
2558 2018-01-23  Nathan Sidwell  <nathan@acm.org>
2560         Deprecate ARM-era for scope handling
2561         * decl.c (poplevel): Flag_new_for_scope is a boolean-like.
2562         (cxx_init_decl_processing): Deprecate flag_new_for_scope being
2563         cleared.
2564         * name-lookup.c (check_for_out_of_scope_variable): Deprecate and
2565         cleanup handling.
2566         * semantics.c (begin_for_scope): Flag_new_for_scope is
2567         boolean-like.
2568         (finish_for_stmt, begin_range_for_stmt): Likewise.
2570 2018-01-22  Jason Merrill  <jason@redhat.com>
2572         PR c++/83720
2573         * decl2.c (determine_visibility): Fix template_decl handling
2574         instead of blocking it.
2576         PR c++/83720 - ICE with lambda and LTO.
2577         * decl2.c (determine_visibility): Clear template_decl for
2578         function-scope decls.  Propagate anonymous linkage from containing
2579         function.
2581 2018-01-22  Marek Polacek  <polacek@redhat.com>
2583         PR c++/81933
2584         * typeck2.c (split_nonconstant_init_1): Return false if we didn't
2585         split out anything.
2587 2018-01-22  Ville Voutilainen  <ville.voutilainen@gmail.com>
2589         PR c++/83895
2590         * decl.c (grokdeclarator): Don't diagnose extra parens
2591         on typedefs.
2593 2018-01-19  Jakub Jelinek  <jakub@redhat.com>
2595         PR c++/81167
2596         * call.c (joust): Use TREE_TYPE (source) if source is
2597         a POINTER_TYPE_P rather than if ! DECL_CONSTRUCTOR_P (w->fn).
2599         PR c++/83919
2600         * typeck.c (convert_for_assignment): Suppress warn_ignored_qualifiers
2601         for direct enum init.
2602         * decl.c (reshape_init): Likewise.
2604 2018-01-19  Marek Polacek  <polacek@redhat.com>
2606         * constexpr.c (fold_simple): Simplify.
2608 2018-01-18  Jason Merrill  <jason@redhat.com>
2610         PR c++/83714
2611         * search.c (any_dependent_bases_p): Handle null TREE_BINFO.
2612         * pt.c (instantiation_dependent_scope_ref_p): True if
2613         any_dependent_bases_p.
2615 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2617         * cp-tree.h: Fix comment typo (DECL_NON_TRIVIALLY_INITIALIZED_P
2618         vs DECL_NONTRIVIALLY_INITIALIZED_P).
2620 2018-01-18  Jason Merrill  <jason@redhat.com>
2622         PR c++/82461 - constexpr list-initialized member
2623         * constexpr.c (potential_constant_expression_1): Check
2624         TARGET_EXPR_DIRECT_INIT_P.
2626 2018-01-18  Paolo Carlini  <paolo.carlini@oracle.com>
2628         PR c++/81013
2629         * decl.c (xref_basetypes): Early return upon error about derived
2630         union.
2632 2018-01-18  Nathan Sidwell  <nathan@acm.org>
2634         PR c++/83160
2635         * cp-tree.h (mark_use): Declare.
2636         * expr.c (mark_use): Make extern.
2637         * call.c (direct_reference_binding): Set inner conv's
2638         rvaluedness_matches_p, if it is an identity.
2639         (convert_like_real): Mark lvalue or rvalue use for identity as
2640         rvaledness_matches_p demands.
2642 2018-01-18  Jakub Jelinek  <jakub@redhat.com>
2644         PR c++/83824
2645         * parser.c (attr_chainon): New function.
2646         (cp_parser_label_for_labeled_statement, cp_parser_decl_specifier_seq,
2647         cp_parser_namespace_definition, cp_parser_init_declarator,
2648         cp_parser_type_specifier_seq, cp_parser_parameter_declaration,
2649         cp_parser_gnu_attributes_opt): Use it.
2650         (cp_parser_member_declaration, cp_parser_objc_class_ivars,
2651         cp_parser_objc_struct_declaration): Likewise.  Don't reset
2652         prefix_attributes if attributes is error_mark_node.
2654 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2656         PR c++/78344
2657         * decl.c (grokdeclarator): Do not append the error_mark_node
2658         due to an erroneous optional attribute-specifier-seq.
2660 2018-01-17  Jakub Jelinek  <jakub@redhat.com>
2662         PR c++/83897
2663         * cp-gimplify.c (cp_maybe_instrument_return): Handle
2664         CLEANUP_POINT_EXPR.
2666 2018-01-17  Paolo Carlini  <paolo.carlini@oracle.com>
2668         PR c++/81054
2669         * constexpr.c (ensure_literal_type_for_constexpr_object): Return
2670         error_mark_node when we give an error.
2671         * decl.c (cp_finish_decl): Use the latter.
2673 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2675         PR c++/83287
2676         * init.c (build_raw_new_expr): Scan list for lookups to keep.
2678 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2680         PR c++/83814
2681         * expr.c (fold_for_warn): Move from c-common.c, reducing to just
2682         the C++ part.  If processing a template, call
2683         fold_non_dependent_expr rather than fully folding.
2685 2018-01-17  Jason Merrill  <jason@redhat.com>
2687         PR c++/81067 - redundant NULL warning.
2688         * call.c (convert_like_real): Restore null_node handling.
2690 2018-01-17  Jason Merrill  <jason@redhat.com>
2692         PR c++/81843 - ICE with variadic member template.
2693         PR c++/72801
2694         * pt.c (unify_pack_expansion): Don't try to deduce enclosing
2695         template args.
2697 2018-01-17  David Malcolm  <dmalcolm@redhat.com>
2699         PR c++/83799
2700         * pt.c (type_dependent_expression_p): Strip any location wrapper
2701         before testing tree codes.
2702         (selftest::test_type_dependent_expression_p): New function.
2703         (selftest::cp_pt_c_tests): Call it.
2705 2018-01-17  Nathan Sidwell  <nathan@acm.org>
2707         PR c++/83739
2708         * pt.c (tsubst_expr) <case RANGE_FOR_STMT>: Rebuild a range_for if
2709         this not a final instantiation.
2711 2018-01-16  Jason Merrill  <jason@redhat.com>
2713         PR c++/83714 - ICE checking return in template.
2714         * typeck.c (check_return_expr): Call build_non_dependent_expr.
2716 2018-01-16  Jakub Jelinek  <jakub@redhat.com>
2718         PR c++/83817
2719         * pt.c (tsubst_copy_and_build) <case CALL_EXPR>: If function
2720         is AGGR_INIT_EXPR rather than CALL_EXPR, set AGGR_INIT_FROM_THUNK_P
2721         instead of CALL_FROM_THUNK_P.
2723         PR c++/83825
2724         * name-lookup.c (member_vec_dedup): Return early if len is 0.
2725         (resort_type_member_vec, set_class_bindings,
2726         insert_late_enum_def_bindings): Use vec qsort method instead of
2727         calling qsort directly.
2729 2018-01-15  Martin Sebor  <msebor@redhat.com>
2731         PR c++/83588
2732         * class.c (find_flexarrays): Make a record of multiple flexible array
2733         members.
2735 2018-01-12  Jason Merrill  <jason@redhat.com>
2737         PR c++/83186 - ICE with static_cast of list-initialized temporary.
2738         * typeck.c (build_static_cast): Use build_non_dependent_expr.
2740 2018-01-12  Nathan Sidwell  <nathan@acm.org>
2742         * cp-tree.h (mark_rvalue_use): Add parm name.
2743         * expr.c (mark_lvalue_use, mark_lvalue_use_nonread): Move next to
2744         mark_rvalue_use.
2745         * call.c (convert_like_real): Fix formatting.
2747 2018-01-11  Jason Merrill  <jason@redhat.com>
2749         PR c++/82728 - wrong -Wunused-but-set-variable
2750         PR c++/82799
2751         PR c++/83690
2752         * call.c (perform_implicit_conversion_flags): Call mark_rvalue_use.
2753         * decl.c (case_conversion): Likewise.
2754         * semantics.c (finish_static_assert): Call
2755         perform_implicit_conversion_flags.
2757 2018-01-11  Nathan Sidwell  <nathan@acm.org>
2759         * method.c (enum mangling_flags): Delete long-dead enum.
2761 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2763         * parser.c (cp_parser_std_attribute_spec): When
2764         token_pair::require_open / require_close return false simply
2765         return error_mark_node, avoid duplicate cp_parser_error about
2766         expected '(' / ')', respectively.
2768 2018-01-10  David Malcolm  <dmalcolm@redhat.com>
2770         PR c++/43486
2771         * call.c (null_ptr_cst_p): Strip location wrappers when
2772         converting from '0' to a pointer type in C++11 onwards.
2773         (conversion_null_warnings): Replace comparison with null_node with
2774         call to null_node_p.
2775         (build_over_call): Likewise.
2776         * cp-gimplify.c (cp_fold): Remove the early bailout when
2777         processing_template_decl.
2778         * cp-lang.c (selftest::run_cp_tests): Call
2779         selftest::cp_pt_c_tests and selftest::cp_tree_c_tests.
2780         * cp-tree.h (cp_expr::maybe_add_location_wrapper): New method.
2781         (selftest::run_cp_tests): Move decl to bottom of file.
2782         (null_node_p): New inline function.
2783         (selftest::cp_pt_c_tests): New decl.
2784         (selftest::cp_tree_c_tests): New decl.
2785         * cvt.c (build_expr_type_conversion): Replace comparison with
2786         null_node with call to null_node_p.
2787         * error.c (args_to_string): Likewise.
2788         * except.c (build_throw): Likewise.
2789         * mangle.c (write_expression): Skip location wrapper nodes.
2790         * parser.c (literal_integer_zerop): New function.
2791         (cp_parser_postfix_expression): Call maybe_add_location_wrapper on
2792         the result for RID_TYPEID. Pass true for new "wrap_locations_p"
2793         param of cp_parser_parenthesized_expression_list.  When calling
2794         warn_for_memset, replace integer_zerop calls with
2795         literal_integer_zerop, eliminating the double logical negation
2796         cast to bool.  Eliminate the special-casing for CONST_DECL in
2797         favor of the fold_for_warn within warn_for_memset.
2798         (cp_parser_parenthesized_expression_list): Add "wrap_locations_p"
2799         param, defaulting to false.  Convert "expr" to a cp_expr, and call
2800         maybe_add_location_wrapper on it when wrap_locations_p is true.
2801         (cp_parser_unary_expression): Call maybe_add_location_wrapper on
2802         the result for RID_ALIGNOF and RID_SIZEOF.
2803         (cp_parser_builtin_offsetof): Likewise.
2804         * pt.c: Include "selftest.h".
2805         (tsubst_copy): Handle location wrappers.
2806         (tsubst_copy_and_build): Likewise.
2807         (build_non_dependent_expr): Likewise.
2808         (selftest::test_build_non_dependent_expr): New function.
2809         (selftest::cp_pt_c_tests): New function.
2810         * tree.c: Include "selftest.h".
2811         (lvalue_kind): Handle VIEW_CONVERT_EXPR location wrapper nodes.
2812         (selftest::test_lvalue_kind): New function.
2813         (selftest::cp_tree_c_tests): New function.
2814         * typeck.c (string_conv_p): Strip any location wrapper from "exp".
2815         (cp_build_binary_op): Replace comparison with null_node with call
2816         to null_node_p.
2817         (build_address): Use location of operand when building address
2818         expression.
2820 2018-01-10  Marek Polacek  <polacek@redhat.com>
2822         PR c++/82541
2823         * call.c (build_conditional_expr_1): Check complain before warning.
2824         * pt.c (tsubst_copy_and_build) <case COND_EXPR>: Suppress
2825         -Wduplicated-branches.
2827 2018-01-10  Jakub Jelinek  <jakub@redhat.com>
2829         PR c++/81327
2830         * call.c (maybe_warn_class_memaccess): Add forward declaration.
2831         Change last argument from tree * to const vec<tree, va_gc> *, adjust
2832         args uses and check number of operands too.  Don't strip away any
2833         nops.  Use maybe_constant_value when looking for INTEGER_CST args.
2834         Deal with src argument not having pointer type.  Check
2835         tree_fits_uhwi_p before calling tree_to_uhwi.  Remove useless
2836         test.
2837         (build_over_call): Call maybe_warn_class_memaccess here on the
2838         original arguments.
2839         (build_cxx_call): Rather than here on converted arguments.
2841 2018-01-10  Paolo Carlini  <paolo.carlini@oracle.com>
2843         PR c++/81055
2844         * init.c (build_vec_init): Avoid building an INIT_EXPR with
2845         error_mark_node as second argument.
2847 2018-01-09  Jakub Jelinek  <jakub@redhat.com>
2849         PR c++/83734
2850         * constexpr.c (cxx_eval_statement_list): Ignore DEBUG_BEGIN_STMTs
2851         in STATEMENT_LIST.  Remove unneeded assert.
2853 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
2854             Alan Hayward  <alan.hayward@arm.com>
2855             David Sherwood  <david.sherwood@arm.com>
2857         * constexpr.c (cxx_eval_array_reference): Handle polynomial
2858         VECTOR_CST_NELTS.
2859         (cxx_fold_indirect_ref): Handle polynomial TYPE_VECTOR_SUBPARTS.
2860         * call.c (build_conditional_expr_1): Likewise.
2861         * decl.c (cp_finish_decomp): Likewise.
2862         * mangle.c (write_type): Likewise.
2863         * typeck.c (structural_comptypes): Likewise.
2864         (cp_build_binary_op): Likewise.
2865         * typeck2.c (process_init_constructor_array): Likewise.
2867 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2869         PR c++/83555
2870         * typeck.c (build_static_cast_1): For static casts to reference types,
2871         call build_base_path with flag_delete_null_pointer_checks as nonnull
2872         instead of always false.  When -fsanitize=null, call
2873         ubsan_maybe_instrument_reference on the NULL reference INTEGER_CST.
2874         * cp-gimplify.c (cp_genericize_r): Don't walk subtrees of UBSAN_NULL
2875         call if the first argument is INTEGER_CST with REFERENCE_TYPE.
2877 2018-01-03  Nathan Sidwell  <nathan@acm.org>
2879         PR c++/83667
2880         * method.c (make_alias_for): Copy DECL_CONTEXT.
2882 2018-01-03  Marek Polacek  <polacek@redhat.com>
2884         PR c++/83592
2885         * decl.c (grokdeclarator): Don't warn about MVP in typename context.
2887 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
2889         PR preprocessor/83602
2890         * name-lookup.c (lookup_name_fuzzy): Don't use macro_use_before_def
2891         for builtin macros.
2893         PR c++/83634
2894         * cp-gimplify.c (cp_fold) <case NOP_EXPR>: If the operand folds to
2895         error_mark_node, return error_mark_node.
2897         Update copyright years.
2899 2018-01-02  Jakub Jelinek  <jakub@redhat.com>
2901         PR c++/83556
2902         * tree.c (replace_placeholders_r): Pass NULL as last argument to
2903         cp_walk_tree instead of d->pset.  If non-TREE_CONSTANT and
2904         non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
2905         to false and return.
2906         (replace_placeholders): Pass NULL instead of &pset as last argument
2907         to cp_walk_tree.
2909 2018-01-02  Nathan Sidwell  <nathan@acm.org>
2911         * constexpr.c (cxx_bind_parameters_in_call): Remove unneeded local
2912         lval var.
2914 Copyright (C) 2018 Free Software Foundation, Inc.
2916 Copying and distribution of this file, with or without modification,
2917 are permitted in any medium without royalty provided the copyright
2918 notice and this notice are preserved.