// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s 

namespace Test1 {

struct B {
  virtual void f(int);
};

struct D : B {
  virtual void f(long) override; // expected-error {{'f' marked 'override' but does not override any member functions}}
  void f(int) override;
};
}

namespace Test2 {

struct A {
  virtual void f(int, char, int);
};

template<typename T>
struct B : A {
  virtual void f(T) override;
};

}

namespace Test3 {

struct A {
  virtual void f(int, char, int);
};

template<typename... Args>
struct B : A { 
  virtual void f(Args...) override; // expected-error {{'f' marked 'override' but does not override any member functions}}
};

template struct B<int, char, int>;
template struct B<int>; // expected-note {{in instantiation of template class 'Test3::B<int>' requested here}}

}

namespace Test4 {
struct B {
  virtual void f() const final; // expected-note {{overridden virtual function is here}}
};

struct D : B {
  void f() const; // expected-error {{declaration of 'f' overrides a 'final' function}}
};

}