extern long c;
extern int a;
extern int b;

int 
foo ()
{
  long i;

  if (a > 7)
   i = a + 1;
  else
   i = b + 1;

  /* The function call here is necessary to prevent combine throw the
     sign extension without the need of the see optimisation.  */
  printf ("i = %l\n",i<<32);


  c = i<<32;
  return 1;
}