| // PR c++/21930 | |
| // Test case by Volker Reichelt | |
| // { dg-do compile } | |
| template<int> struct A {}; | |
| template<int N> | |
| void foo(const A<N> &a) | |
| { -A<N>(a); } // { dg-error "operand type is 'A<0>'" } | |
| void bar() | |
| { | |
| foo(A<0>()); // { dg-message "required from here" } | |
| } |