1 // { dg-options "-std=c++0x" }
2 template<typename...> struct A;
3 
4 template<char> struct A<> {}; // { dg-error "not used in partial specialization|anonymous|declaration" }
5 
6 template<typename T, typename... U> struct A<T, U...> : A<U...> {}; // { dg-error "incomplete type" }
7 
8 A<int> a;
9