Re: delete [] of Derived objects through Base object which has virtual

Barry wrote:
> subramanian100in@[EMAIL PROTECTED]
 India wrote:
>> * Kai-Uwe Bux <jkherci...@[EMAIL PROTECTED]
> wrote:
>>>> subramanian10...@[EMAIL PROTECTED]
 wrote:
>>
>>> Well formed -- maybe. But the code has undefined behavior as per 
>>> [5.3.5/3]:
>>>
>>>   ... In the second alternative (delete array) if the dynamic type of 
>>> the
>>>   object to be deleted differs from its static type, the behavior is
>>>   undefined.
>>
>> I do not know about static and dynamic type.
>> Please give me an example so that I can understand them.
>>
> 
> class Base
> {
> public:
>   virtual ~Base() {}
> };
> 
> class Derived : public Base
> {};
> 
> int main()
> {
>   Base* p = new Derived(); // static type of p is "pointer to Base"
>                            // dynamic type of p is "pointer to Derived"
> }
> 

Hello,

in the above example, what will happen if we add 'delete p;' at the end 
of main(). What will be deleted ? Only the base class part or both base 
and derived part of instantied object ?

thanks

Xavier