| class __attribute__((unused)) C; | |
| struct __attribute__((unused)) S; | |
| union __attribute__((unused)) U; | |
| enum e {}; | |
| enum __attribute__((unused)) e; // { dg-warning "already defined" } | |
| struct __attribute((unused)) B *p; // { dg-warning "attributes" } | |
| template <class T> struct A { }; | |
| struct __attribute((unused)) A<int>; // { dg-warning "attributes" } |