draft release notes for gcc 3.3

[Matthias Klose]

Benjamin Kosnik writes:
> 
> Joe, 
> 
> > (Need to say something about C++ binary compatibility, versioning of
> > libstdc++ etc).
> 
> It's my thought that you should say that 3.3.x is C++ ABI compatible
> with 3.2.x. I believe this is certainly the intention.

Is it necessary to be platform specific here? At least on hppa-linux
and m68k-linux, you are only compatible, when configuring with
--enable-sjlj-exceptions

	Matthias