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/* Origin: hp@bitrange.com
   Test that return values come out right from a 1000-level call chain to
   functions without parameters that each need at least one "long"
   preserved.  Exposed problems related to the MMIX port.  */
 
long level = 0;
extern long foo (void);
extern long bar (void);
 
#ifdef STACK_SIZE
#define DEPTH ((STACK_SIZE) / 512 + 1)
#else
#define DEPTH 500
#endif
 
int
main (void)
{
  if (foo () == -42)
    exit (0);
 
  abort ();
}
 
long
foo (void)
{
  long tmp = ++level;
  return bar () + tmp;
}
 
long
bar (void)
{
  long tmp = level;
  return tmp > DEPTH - 1 ? -42 - tmp : foo () - tmp;
}