1  
       2  #include <stdlib.h>
       3  
       4  int a, *c, d, e, g, f;
       5  short b;
       6  
       7  int 
       8  fn1 ()
       9  {
      10    int h = d != 10;
      11    if (h > g)
      12       asm volatile ("" : : : "memory");
      13    if (h == 10)
      14      {
      15        int *i = 0;
      16        a = 0;
      17        for (; a < 7; a++)
      18  	for (; *i;)
      19  	  ;
      20      }
      21    else
      22      {
      23        b = e / h;
      24        return f;
      25      }
      26    c = &h;
      27    abort ();
      28  }
      29  
      30  int
      31  main ()
      32  {
      33    fn1 ();
      34    exit (0);
      35  }