1  struct { char *m; long n; } a[20];
       2  int b = 20, c;
       3  void bar(void) __attribute__((__noreturn__));
       4  
       5  int
       6  foo(int x)
       7  {
       8    int i;
       9  
      10    for (i = 0; i < x; i++)
      11      {
      12        a[0].m = "a"; a[0].n = 10; c=1;
      13        a[c].m = "b"; a[c].n = 32; c++;
      14        if (c >= b) bar ();
      15        a[c].m = "c"; a[c].n = 80; c++;
      16        if (c >= b) bar ();
      17      }
      18    return 0;
      19  }