text: // RUN: %clang_cc1 -std=c++11 -verify %s
  
  struct Base {
    static const int a = 1;
  };
  template<typename T> struct S : Base {
    enum E : int;
    constexpr int f();
    constexpr int g(); // expected-note {{declared here}}
    void h();
  };
  template<> enum S<char>::E : int {}; // expected-note {{enum 'S<char>::E' was explicitly specialized here}}
  template<> enum S<short>::E : int { b = 2 };
  template<> enum S<int>::E : int { a = 4 };
  template<typename T> enum S<T>::E : int { b = 8 };
  
  // The unqualified-id here names a member of the non-dependent base class Base
  // and not the injected enumerator name 'a' from the specialization.
  template<typename T> constexpr int S<T>::f() { return a; }
  static_assert(S<char>().f() == 1, "");
  static_assert(S<int>().f() == 1, "");
  
  // The unqualified-id here names a member of the current instantiation, which
  // bizarrely might not exist in some instantiations.
  template<typename T> constexpr int S<T>::g() { return b; } // expected-error {{enumerator 'b' does not exist in instantiation of 'S<char>'}}
  static_assert(S<char>().g() == 1, ""); // expected-note {{here}} expected-error {{not an integral constant expression}} expected-note {{undefined}}
  static_assert(S<short>().g() == 2, "");
  static_assert(S<long>().g() == 8, "");
  
  // 'b' is type-dependent, so these assertions should not fire before 'h' is
  // instantiated.
  template<typename T> void S<T>::h() {
    char c[S<T>::b];
    static_assert(b != 8, "");
    static_assert(sizeof(c) != 8, "");
  }
  void f() {
    S<short>().h(); // ok, b == 2
  }
  