gcc/testsuite/gcc.c-torture/execute/960317-1.c

   1 int
   2 f (unsigned bitcount, int mant)
   3 {
   4   int mask = -1 << bitcount;
   5   {
   6     if (! (mant & -mask))
   7       goto ab;
   8     if (mant & ~mask)
   9       goto auf;
  10   }
  11 ab:
  12   return 0;
  13 auf:
  14   return 1;
  15 }
  16
  17 main ()
  18 {
  19   if (f (0, -1))
  20     abort ();
  21   exit (0);
  22 }