c++ 임시객체 주소값과 생성자, 소멸자에 대한 질문

class Point
{
public:
	int xpos, ypos;
public:
	Point(int x = 0, int y = 0) : xpos(x), ypos(y)
	{
//		cout < < "포인트 생성자 " < < this < < endl;
	}
	friend ostream& operator< <(ostream& os, const Point& pos);
	~Point()
	{
//		cout < < "포인트 소멸자 " < < this < < endl;
	}
	void Adress(void)
	{
//		cout < < "어드레스 " < < this < < endl;
	}
};
 
 
Point * fn()
{
 
	cout < < "fn()-----------" < < endl;
	// 메인       
	Point* ptr = &Point(100, 200);
	cout < < "ptr        " < < ptr < < endl;
	cout < < "ptr->xpos  " < < ptr->xpos < < endl;
 
	ptr->Adress();
	cout < < ptr < < endl;
 
 
	cout < < "-----------" < < endl;
	Point* pArr[2] = { &Point(100, 150), &Point(200, 250) };
	Point** ppArr = pArr;
	Point*& pRef = ppArr[0];
	cout < < "pArr       " < < pArr < < endl;
	cout < < "ppArr      " < < ppArr < < endl;
	cout < < "ppArr[0]   " < < ppArr[0] < < endl;
	cout < < "pRef       " < < pRef < < endl;
	cout < < "pRef->xpos " < < pRef->xpos < < endl;
	cout < < "fn()-----------" < < endl;
	return ptr;
}
 
int _tmain(int argc, _TCHAR* argv[])
{
	// 메인       
	Point* ptr = &Point(500, 600);
	ptr = fn(); 
	cout < < "ptr        " < < ptr < < endl;
	cout < < "ptr->xpos  " < < ptr->xpos < < endl;
 
	ptr->Adress();
	cout < < ptr < < endl;
 
	cout < < "-----------" < < endl;
	Point* pArr[2] = { &Point(100, 150), &Point(200, 250) };
	Point** ppArr = pArr;
	Point*& pRef = ppArr[0];
	cout < < "pArr       " < < pArr < < endl;
	cout < < "ppArr      " < < ppArr < < endl;
	cout < < "ppArr[0]   " < < ppArr[0] < < endl;
	cout < < "pRef       " < < pRef < < endl;
	cout < < "pRef->xpos " < < pRef->xpos < < endl;
 
	return 0;
}
 
출력 결과
fn()-----------
ptr        0018F7DC
ptr->xpos  100
0018F7DC
-----------
pArr       0018F8E4
ppArr      0018F8E4
ppArr[0]   0018F7EC
pRef       0018F7EC
pRef->xpos 100
fn()-----------
ptr        0018F7DC
ptr->xpos  15281524
0018F7DC
-----------
pArr       0018FA54
ppArr      0018FA54
ppArr[0]   0018F92C
pRef       0018F92C
pRef->xpos 100