| // PR c++/100634 | |
| // { dg-do compile { target c++20 } } | |
| // { dg-options "" } | |
| // We could support _Complex template arguments, but better I think to make | |
| // people use a standard type instead. | |
| template<_Complex int> struct ComplexInt {}; // { dg-error "not a valid type" } | |
| using CI = ComplexInt<1 + 3i>; |