30   int& f1();
34   struct f1 {  struct
43     int &i1 = f1();  in test_f1()
47 void N::f1::foo(int i) {   in foo()  argument
48   f1::member = i;   in foo()
49   f1::type &ir = i;  in foo()
53   float& f1(int x) {  in f1()  function
54     N::f1::type& i1 = x;  in f1()
55     f1::type& i2 = x;  in f1()
64 int i1 = N::f1::member;
65 typedef struct N::f1 type1;
70   int &v1 = N::f1();  in test_f1()
71   float &v2 = N::f1(i);  in test_f1()
73   int v4 = N::f1::member;  in test_f1()