2 // { dg-options "-std=c++0x" }
4 //This instatiation is ok
5 template<typename T> struct S1
10 template struct S1<int>; //ok
12 //This error is diagnosed at instantiation time
13 template<typename T> struct S2
15 enum E : int; // { dg-error "previous definition" }
16 enum E : T; // { dg-error "different underlying type" }
18 template struct S2<short>; // { dg-message "required from here" }
20 //This error is diagnosed at compilation time
21 template<typename T> struct S3
23 enum E : int; // { dg-error "previous definition" }
24 enum E : short; // { dg-error "different underlying type" }