Negative

[Walter Bright]

"Sean Kelly" <sean at f4.ca> wrote in message 
news:du225a$2549$1 at digitaldaemon.com...
>>> But
>>> Transaction abc()
>>> {
>>>    try {
>>>      Foo f = dofoo();
>>>      Bar b = dobar();
>>>      Def d = dodef();
>>>      return Transaction(f, b, d);
>>>   } catch(object er) {
>>>        delete f; delete b; delete d;
>>>   }
>>> }
>>> is not worse to be honest.
>>
>> It is worse because it won't even compile. f, b, and d are not in scope 
>> in the catch statement. Even if they were, there's still a serious bug - 
>> if dofoo() throws an exception, then the catch statement will attempt to 
>> delete b and d, which are not even initialized yet.
>
> Is it really a bug to call delete on a null reference?  This is 
> well-defined behavior in C++.

It's not even a null reference.