1 // PR c++/48531 2 // { dg-do compile { target c++11 } } 3 4 template<class T, 5 class = decltype(T()) 6 > 7 char f(int); 8 9 template<class> 10 char (&f(...))[2]; 11 12 static_assert(sizeof(f<int[]>(0)) != 1, "Error"); 13