1 // PR c++/48531 2 // { dg-options -std=c++0x } 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