1  extern void abort (void);
       2  extern void exit (int);
       3  typedef __UINTPTR_TYPE__ uintptr_t;
       4  int n = 0;
       5  int f (void) { return ++n; }
       6  int
       7  main (void)
       8  {
       9    int a = 0;
      10    int *p;
      11    uintptr_t b;
      12    b = (uintptr_t)(p = &(int []){0, f(), 2}[1]);
      13    if (*p != 1 || *(int *)b != 1 || n != 1)
      14      abort ();
      15    exit (0);
      16  }