gcc/testsuite/gcc.c-torture/execute/931102-2.c

   1 typedef union
   2 {
   3   long align;
   4   struct
   5     {
   6       short h, l;
   7     } b;
   8 } T;
   9
  10 f (x)
  11      int x;
  12 {
  13   int num = 0;
  14   T reg;
  15
  16   reg.b.l = x;
  17   while ((reg.b.l & 1) == 0)
  18     {
  19       num++;
  20       reg.b.l >>= 1;
  21     }
  22   return num;
  23 }
  24
  25 main ()
  26 {
  27   if (f (2) != 1)
  28     abort ();
  29   exit (0);
  30 }
  31