| // PR c++/49251 | |
| // { dg-do compile { target c++11 } } | |
| // { dg-options "-Wunused-parameter" } | |
| struct A {}; | |
| template <int> int f(A); | |
| template< int... Indices > | |
| struct indices {}; | |
| template< class... Args > | |
| void sink( Args&&... ) {} | |
| template< class T, int... Indices > | |
| void unpack_test( T && t, indices<Indices...> ) { | |
| sink( f<Indices>(t)... ); | |
| } | |
| int main() { | |
| unpack_test( A(), indices<>() ); | |
| } |