text: // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 
  
  struct Base1 { 
    virtual void g();
  };
  
  struct A : Base1 {
    virtual void g() override override; // expected-error {{class member already marked 'override'}}
    virtual void h() final final; // expected-error {{class member already marked 'final'}}
  };
  
  struct Base2 { 
    virtual void e1(), e2();
    virtual void f();
  };
  
  struct B : Base2 {
    virtual void e1() override, e2(int);  // No error.
    virtual void f() override;
    void g() override; // expected-error {{only virtual member functions can be marked 'override'}}
    int h override; // expected-error {{only virtual member functions can be marked 'override'}}
  };
  
  struct C {
    virtual void f() final;
    void g() final; // expected-error {{only virtual member functions can be marked 'final'}}
    int h final; // expected-error {{only virtual member functions can be marked 'final'}}
  };
  
  namespace inline_extension {
    struct Base1 { 
      virtual void g() {}
    };
  
    struct A : Base1 {
      virtual void g() override override {} // expected-error {{class member already marked 'override'}}
      virtual void h() final final {} // expected-error {{class member already marked 'final'}}
    };
  
    struct Base2 { 
      virtual void f();
    };
  
    struct B : Base2 {
      virtual void f() override {}
      void g() override {} // expected-error {{only virtual member functions can be marked 'override'}}
    };
  
    struct C {
      virtual void f() final {}
      void g() final {} // expected-error {{only virtual member functions can be marked 'final'}}
    };
  }
  