1struct VEC_char_base
2{
3  unsigned num;
4  unsigned alloc;
5  short vec[1];
6};
7
8short __attribute__((noinline))
9foo (struct VEC_char_base *p, int i)
10{
11  short *q;
12  p->vec[i] = 0;
13  q = &p->vec[8];
14  *q = 1;
15  return p->vec[i];
16}
17
18extern void abort (void);
19extern void *malloc (__SIZE_TYPE__);
20
21int
22main()
23{
24  struct VEC_char_base *p = malloc (sizeof (struct VEC_char_base) + 256);
25  if (foo (p, 8) != 1)
26    abort ();
27  return 0;
28}
29