1 // Warn if we try to give an instantiation visibility after it's already 2 // been instantiated. 3 4 // { dg-require-visibility "" } 5 6 template <class T> struct A { void f (T); }; f(T)7template <class T> void A<T>::f (T) { } 8 9 A<double> ad; 10 template struct __attribute ((visibility ("hidden"))) A<double>; // { dg-warning "already defined" } 11