gcc/testsuite/gcc.c-torture/execute/931102-1.c

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