text: #include <stdlib.h>
  int a[2] = { 2, 0 };
  
  void foo(int *sp, int cnt)
  {
    int *p, *top;
  
    top = sp; sp -= cnt;
  
    for(p = sp; p <= top; p++)
      if (*p < 2) exit(0);
  }
  
  int main()
  {
    foo(a + 1, 1);
    abort();
  }
  