// Test that 'extern template' suppresses instantiations. // { dg-do compile } // { dg-options "" } template <class T> void f (T) { } extern template void f (int); template <class T> struct A { void f (); }; template <class T> void A<T>::f () { } extern template struct A<int>; // { dg-final { scan-assembler-not "\n_?_Z1fIiEvT_(:|\n|\t)" } } void test_f_int () { f(42); } // { dg-final { scan-assembler-not "\n_?_ZN1AIiE1fEv(:|\n|\t)" } } void test_A_int_f () { A<int> a; a.f (); } // { dg-final { scan-assembler "\n_?_Z1fIdEvT_(:|\n|\t)" } } void test_f_double () { f (2.0); } // { dg-final { scan-assembler "\n_?_ZN1AIdE1fEv(:|\n|\t)" } } void test_A_double_f () { A<double> b; b.f (); }