x64 constructor func error about objectpool HOT 5 CLOSED

// memory model : x64
struct Node { void* p1; }
FixedObjectPool<Node> pool(3);

// header size (int, int)                     ---- 8 byte
// index 1(uint32), index 2(uint32)   ---- 8 
// index 3(uint32), xxxxx (padding)  ---- 8 
// entry 1 size(void*)                        ---- 8
// entry 2 size(void*)                        ---- 8
// entry 3 size(void*)                        ---- 8

ObjectPoolBlock<T>* ObjectPoolBlock<T>::create(index_t entries_per_block)
{
……
// here index size is align to entry size
const size_t indices_size = align_to(sizeof(index_t) * entries_per_block, entry_align);
……
}

// but here， u calc (index_t* + 1), in x64, this is 4byte, but Entry pointer is 8 byte
// so, u should no align index_size or convert index_t* to T*
template <typename T>
index_t* ObjectPoolBlock<T>::indices_begin() const
{
    // calculcates the start of the indicies
    return reinterpret_cast<index_t*>(const_cast<ObjectPoolBlock<T>*>(this + 1));
}

T* ObjectPoolBlock<T>::memory_begin() const
{
……
return reinterpret_cast<T*>(indices_begin() + entries_per_block_);
}

ObjectPoolBlock<T>* ObjectPoolBlock<T>::create(index_t entries_per_block)
{
……
const size_t indices_size = align_to(sizeof(index_t) * entries_per_block, sizeof(index_t));
……
}

T* ObjectPoolBlock<T>::memory_begin() const
{
	const size_t entry_align = alignof(T);
	const size_t indices_size = align_to(sizeof(index_t) * entries_per_block_, entry_align);
	return reinterpret_cast<T*>(reinterpret_cast<uint8_t*>(indices_begin()) + indices_size);
}