[K42-discussion] virtual destructors

[Patrick G. Bridges]

On Jul 6, 2006, at 4:49 PM, Andrew Baumann wrote:

> On Friday 07 July 2006 06:15, Donour Sizemore wrote:
>> When compiling the above example, a strange symbol is being  
>> referenced
>> (_ZdlPv) but isn't defined and I can't figure out what it is or  
>> where it
>> comes from. It doesn't appear to be a mangled version of anything I
>> recognize. Does anybody have an idea what could be happening here?
>
> Actually, it is something mangled:
>
> 	$ c++filt _ZdlPv
> 	operator delete(void*)
>
> Googling for _ZdlPv is informative... apparently a call to this  
> symbol is
> emitted when you do a delete(void *), and it should be part of the  
> standard
> libraries.
>
> Andrew [still learning something new about C++ every day]

The DEFINE_NEW macro in AllocPool.C looks like it only defines  
operator delete(void *, uval size), note operator delete(void *). Is  
simply adding this operator the appropriate solution, or is something  
more general needed?