25 struct X1 {  struct
27   struct Inner0 {
33   struct Inner1 {
39   struct Inner2 {
63 struct X1<T>::Inner4 {  argument
124   struct X1 {  struct
125     template<typename T> void f(X0<T>& vals) { g(vals); }  in f()
126     template<typename T> void g(X0<T>& vals) { }  in g()
149   struct X1 {    struct
150     typedef T E;    
152     struct sfinae {  };