gdb/testsuite/gdb.cp/casts.cc

   1 struct A
   2 {
   3   int a;
   4   A (int aa): a (aa) {}
   5 };
   6
   7 struct B: public A
   8 {
   9   int b;
  10   B (int aa, int bb): A (aa), b(bb) {}
  11 };
  12
  13 int
  14 main (int argc, char **argv)
  15 {
  16   A *a = new B(42, 1729);
  17   B *b = (B *) a;
  18   A &ar = *b;
  19   B &br = (B&)ar;
  20
  21   return 0;  /* breakpoint spot: casts.exp: 1 */
  22 }