[LC++]Compiles with g++-3.2 but later versions flakey. Why?

[Chris Vine]

On Wednesday 26 October 2005 02:19, Dr Mark H Phillips wrote:
> On Tue, 2005-10-25 at 20:54 +0100, Chris Vine wrote:
> > I should have thought they would all compile, the last because of Koenig
> > lookup.
>
> That's what I thought.  Indeed, that's what I a relying on.  My code
> worked fine on g++-3.2 but now fails on the newer versions of g++.  Very
> frustrating!
>
> > Does it make any difference if you make dummyFunct a DummyFunct object
> > rather than a reference to a DummyFunct object?
>
> Yes it does (see the email I just sent to the list).  It works fine if I
> use a functoid object rather than a reference to one.
>

That's interesting.  I wonder if gcc has a problem with references to 
zero-sized objects.  Does it make any difference if you put a dummy data 
member in each object?

Chris