Re: does gcc support multiple sizes, or not?

[DJ Delorie <dj at redhat dot com>]

> > reinterpret_cast doesn't require that the intermediate form have the
> > same bit pattern.
> 
> Exactly so.  However, all valid pointers must be handles, so unless the
> 32-bit address space is "sparse", something will go wrong.

I would go so far as to say that it's defined (hence supported) if the
intermediate form is at least as many bits as the other types.