1 // PR c++/50864 2 3 namespace impl 4 { 5 template <class T> T create(); 6 } 7 8 template <class T, class U, __SIZE_TYPE__ 9 = sizeof(impl::create<T>()->*impl::create<U>())> 10 struct foo1; 11 12 template <class T, class U, __SIZE_TYPE__ 13 = sizeof(impl::create<T>()->impl::create<U>())> // { dg-error "not a class member" } 14 struct foo2; 15 16 template <class T, class U, __SIZE_TYPE__ 17 = sizeof(impl::create<T>().impl::create<U>())> // { dg-error "not a class member" } 18 struct foo3; 19