9   typedef C D;  typedef
13 struct B : A<T> {  struct
14   void foo() {  in foo()
19 template struct B<int>; // Instantiation has no warnings.  variable
25   struct D { static void foo2(); };  struct
28 struct B : T {  struct
29   struct C {
36 template struct B<A>; // Instantiation has no warnings.  variable
43   struct D { static void foo2(); };  struct
46 struct B {  struct
47   struct C : T {
54 template struct B<A>; // Instantiation has no warnings.  variable