// PR c++/56971 | |
template <typename T> | |
class rp { | |
}; | |
template <template <typename> class P> | |
struct b { | |
template <class, template <typename> class FriendP> | |
friend void f(b<FriendP> from); | |
}; | |
template <class, template <typename> class P> | |
void f(b<P> from) { | |
} | |
int main() { | |
b<rp> v; | |
f<int>(v); | |
return 0; | |
} |