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extern void *malloc(__SIZE_TYPE__);

extern void *memset(void *, int, __SIZE_TYPE__);

typedef struct

{

  short a;

  unsigned short b;

  unsigned short c;

  unsigned long long Count;

  long long Count2;

} __attribute__((packed)) Struct1;

typedef struct

{

  short a;

  unsigned short b;

  unsigned short c;

  unsigned long long d;

  long long e;

  long long f;

} __attribute__((packed)) Struct2;

typedef union

{

  Struct1 a;

  Struct2 b;

} Union;

typedef struct

{

  int Count;

  Union List[0];

} __attribute__((packed)) Struct3;

unsigned long long Sum (Struct3 *instrs) __attribute__((noinline));

unsigned long long Sum (Struct3 *instrs)

{

    unsigned long long  count = 0;

    int     i;

    for (i = 0; i < instrs->Count; i++) {

        count += instrs->List[i].a.Count;

    }

    return count;

}

long long Sum2 (Struct3 *instrs) __attribute__((noinline));

long long Sum2 (Struct3 *instrs)

{

    long long  count = 0;

    int     i;

    for (i = 0; i < instrs->Count; i++) {

        count += instrs->List[i].a.Count2;

    }

    return count;

}

main() {

  Struct3 *p = malloc (sizeof (int) + 3 * sizeof(Union));

  memset(p, 0, sizeof(int) + 3*sizeof(Union));

  p->Count = 3;

  p->List[0].a.Count = 555;

  p->List[1].a.Count = 999;

  p->List[2].a.Count = 0x101010101ULL;

  p->List[0].a.Count2 = 555;

  p->List[1].a.Count2 = 999;

  p->List[2].a.Count2 = 0x101010101LL;

  if (Sum(p) != 555 + 999 + 0x101010101ULL)

    abort();

  if (Sum2(p) != 555 + 999 + 0x101010101LL)

    abort();

  return 0;

}