4 &__loc // { dg-error "" }
5 } class ios_base { // { dg-error "" }
6 A _M_ios_locale ios_base(ios_base &) template <_Traits> class basic_ios { // { dg-error "" }
7 basic_ios basic_ios = operator= // { dg-error "" }
9 // { dg-prune-output "file ends in default argument" }