Method dup

src/common/classes/stack.h:92–97

			}

			Entry* dup(MemoryPool& p)
			{
				Entry* rc = FB_NEW_POOL(p) Entry(next ? next->dup(p) : 0);
				rc->join(*this);
				return rc;
			}

			bool hasMore(FB_SIZE_T value) const
			{