2 // { dg-do compile { target c++11 } }
5 template <class T> void f(T); // { dg-bogus "initializing" }
6 template <class T> T&& declval();
9 template <class T, class U> static decltype(f<T>(declval<U>())) g(int);
10 template <class T, class U> void g(...);