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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 
      3 // PR5868
      4 struct T0 {
      5   int x;
      6   union {
      7     void *m0;
      8   };
      9 };
     10 template <typename T>
     11 struct T1 : public T0, public T {
     12   void f0() {
     13     m0 = 0; // expected-error{{ambiguous conversion}}
     14   }
     15 };
     16 
     17 struct A : public T0 { };
     18 
     19 void f1(T1<A> *S) { S->f0(); } // expected-note{{instantiation of member function}}
     20 
     21 namespace rdar8635664 {
     22   template<typename T>
     23   struct X {
     24     struct inner;
     25 
     26     struct inner {
     27       union {
     28         int x;
     29         float y;
     30       };
     31 
     32       typedef T type;
     33     };
     34   };
     35 
     36   void test() {
     37     X<int>::inner i;
     38     i.x = 0;
     39   }
     40 }
     41