1 // PR c++/50324
2 // { dg-do compile { target c++11 } }
3 
4 struct complete { };
5 struct incomplete;
6 
7 template<class T> auto f(T *) -> decltype(T{}) *;
8 template<class T> char f(T);
9 
main()10 int main()
11 {
12   complete *p = 0;
13   static_assert(sizeof(f(p)) == sizeof(void*), "");
14   incomplete *q = 0;
15   static_assert(sizeof(f(q)) == 1u, "");
16 }
17