29   struct Base {  struct
36   struct Test0 : Base {
37     using Base::foo;
48   struct Test1 : Base {
51     using Base::foo;
60   struct Test2 : Base {
62     using Base::foo;
75   struct Base {  struct
79   template <typename T> struct Derived1 : Base {
80     using Base::foo;
93   template <typename T> struct Derived2 : Base {
95     using Base::foo;
109   struct Base {  struct
114   struct Derived1 : Base {
115     using Base::foo;
119   struct Derived2 : Base {
121     using Base::foo;
124   struct Derived3 : Base {
125     using Base::foo;
129   struct Derived4 : Base {
131     using Base::foo;
135     expect<0>(Base().foo<int>());  in test()
136     expect<1>(Base().foo<0>());  in test()
150   class Base {  class
156   struct Derived : Base {
157     using Base::foo;
169   struct Base {  struct
172   struct Derived : Base {
174     using Base::operator=;
184   struct Base {  struct
187   struct Derived : Base {
189     using Base::operator=;