gcc/testsuite/gcc.c-torture/execute/20000113-1.c

   1 struct x {
   2   unsigned x1:1;
   3   unsigned x2:2;
   4   unsigned x3:3;
   5 };
   6
   7 foobar (int x, int y, int z)
   8 {
   9   struct x a = {x, y, z};
  10   struct x b = {x, y, z};
  11   struct x *c = &b;
  12
  13   c->x3 += (a.x2 - a.x1) * c->x2;
  14   if (a.x1 != 1 || c->x3 != 5)
  15     abort ();
  16   exit (0);
  17 }
  18
  19 main()
  20 {
  21   foobar (1, 2, 3);
  22 }
  23