23     struct sub : B::base  struct
39         A::sub a;  in fun()  argument
43         a.sub::x();  in fun()
48         a.A::sub::x();  in fun()
60         A::sub *a;  in fun2()
64         a->sub::x();  in fun2()
69         a->A::sub::x();  in fun2()
86       A::sub *a;  in fun4a()
93       A::sub *a;  in fun4b()
106         a.A::sub::x();  in fun5()
114     fun5<A::sub>(); // expected-note{{instantiation}}  in test_fun5()
120     a.sub::x();  in fun6()
127     fun6<A::sub>(); // expected-note{{instantiation}}  in test_fun6()