text: // RUN: %clang_cc1 -fsyntax-only -verify %s
  
  // FIXME: Access control checks
  
  namespace PR5820 {
    // also <rdar://problem/7535045>
    struct Base {
      void Foo();
      int Member;
    };
  
    struct D1 : public Base {};
    struct D2 : public Base {};
  
    struct Derived : public D1, public D2 {
      void Inner();
    };
  
    void Test() {
      Derived d;
      d.D1::Foo();
      d.D1::Member = 17;
    }
  
    void Derived::Inner() {
      D1::Foo();
      D1::Member = 42;
      this->D1::Foo();
      this->D1::Member = 42;
    }
  }
  
  template<typename T>
  struct BaseT {
    void Foo(); // expected-note{{found by ambiguous name lookup}}
    int Member;
  };
  
  template<typename T> struct Derived1T : BaseT<T> { };
  template<typename T> struct Derived2T : BaseT<T> { };
  
  template<typename T>
  struct DerivedT : public Derived1T<T>, public Derived2T<T> {
    void Inner();
  };
  
  template<typename T>
  void DerivedT<T>::Inner() {
    Derived1T<T>::Foo();
    Derived2T<T>::Member = 42;
    this->Derived1T<T>::Foo();
    this->Derived2T<T>::Member = 42;
    this->Foo(); // expected-error{{non-static member 'Foo' found in multiple base-class subobjects of type 'BaseT<int>'}}
  }
  
  template<typename T>
  void Test(DerivedT<T> d) {
    d.template Derived1T<T>::Foo();
    d.template Derived2T<T>::Member = 17;
    d.Inner(); // expected-note{{in instantiation}}
  }
  
  template void Test(DerivedT<int>);
  