1  #ifdef __cplusplus
       2  struct dummy
       3  {
       4    virtual void bar (void) { }
       5    unsigned int : 15;
       6  };
       7  #else
       8  struct dummy {};
       9  #endif
      10  
      11  struct foo
      12  {
      13    int i1;
      14    int i2;
      15    int i3;
      16    int i4;
      17    int i5;
      18  };