//: C09:AmbiguousName.cpp {-xo}
// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
// (c) 1995-2004 MindView, Inc. All Rights Reserved.
// See source code use permissions stated in the file 'License.txt',
// distributed with the code package available at www.MindView.net.

class Top {
public:
  virtual ~Top() {}
};

class Left : virtual public Top {
public:
  void f() {}
};

class Right : virtual public Top {
public:
  void f() {}
};

class Bottom : public Left, public Right {};

int main() {
  Bottom b;
  b.f(); // Error here
} ///:~