unsigned char __xdata * volatile sif;

void
main(void)
{
  volatile unsigned int i, j, x;
  __code char *p= (__code char *)0;

  sif= (unsigned char __xdata *)0xffff;
  for (j= 0; j<10; j++)
    for (i= 0; i<0xfff0; i++)
      x= p[i];
  * (char __idata *) 0 = * (char __xdata *) 0xfffe;
  *sif= 's';
}