gcc/testsuite/gcc.c-torture/compile/20020927-1.c

   1 /* PR optimization/7520 */
   2 /* ICE at -O3 on x86 due to register life problems caused by
   3    the return-without-value in bar.  */
   4
   5 int
   6 foo ()
   7 {
   8   int i;
   9   long long int j;
  10
  11   while (1)
  12     {
  13       if (j & 1)
  14         ++i;
  15       j >>= 1;
  16       if (j)
  17         return i;
  18     }
  19 }
  20
  21 int
  22 bar ()
  23 {
  24   if (foo ())
  25     return;
  26 }