// { dg-do compile }// Origin: Wolfgang Bangerth <bangerth@ticam.utexas.edu>// PR 9030.  Perform access checking to parameter and return type of // function template correctly when the template is friend.template <class T> class Outer {  private:    struct Inner {};    template <class T_>    friend typename Outer<T_>::Inner foo ();};template <class T>typename Outer<T>::Innerfoo () {  return typename Outer<T>::Inner();}void f() {  foo<int>();}