37   typedef X1<T> A;  typedef
50 template<class C> struct A {};  struct
51 template <> struct A<int>{A(const A<int>&);};  struct
136   template <class T, class U> struct A {  struct
137     A() {}  in A()  argument
138     A(const A<T,U> &o) {}  in A()  function
139     A(A<T,T> o) {}  in A()  function
153   template <class T, class U> struct A {  struct
154     A() {} // expected-note {{not viable: requires 0 arguments}}  in A()  argument
155     A(A<T,U> &o) {} // expected-note {{not viable: expects an l-value}}  in A()  argument
156     A(A<T,T> o) {} // expected-note {{ignored: instantiation takes its own class type by value}}  in A()  function
166   template <class T, class U> struct A {  struct
167     A() {}  in A()  function
168     A(A<T,U> &o) {}  in A()  argument
169     A(A<T,T> o) {}  in A()  argument