1 // PR c++/100918 2 3 struct Outer { 4 template<class T> 5 struct Inner { ~Inner(); }; 6 }; 7 8 template<> 9 Outer::Inner<int>::~Inner<int>() { } // { dg-error "template-id" "" { target c++20 } } 10 11 template<class T> 12 Outer::Inner<T>::~Inner<T>() { } // { dg-error "template-id" "" { target c++20 } } 13 14 Outer::Inner<int> x; 15 Outer::Inner<char> y; 16