namespace lang_cast_objslice {
  static int g = 0;

  class Base {
  public:
    Base(){b=++g;}
    int b;
    void f(void){}
  };

  class Derived: public Base {
  public:
    Derived(){d=1;};
    int d;
    void g(void){}
  };

  class DerivedNoFields: public Base {};

  void useBase(Base inb){}

  void makeAssignments(void){
    Base baseobj;
    Derived derivedobj;
    DerivedNoFields derivednofieldsobj;

    useBase(baseobj);                        // ok: baseobj is a Base
    useBase(derivedobj);         // 'Object Slicing' warning issued here
    useBase(derivednofieldsobj); // 'Object Slicing' warning issued here only if OBJSLICE_WARN_NEW_MEMBER_ONLY=No

    baseobj=derivedobj;          // 'Object Slicing' warning issued here
    useBase(baseobj);                        // ok: baseobj is a Base

    baseobj=derivednofieldsobj;  // 'Object Slicing' warning issued here only if OBJSLICE_WARN_NEW_MEMBER_ONLY=No
    useBase(baseobj);                        // ok: baseobj is a Base
  }
}