In the middle of June, R.Dewar talked about days/weeks rather than months
http://gcc.gnu.org/ml/gcc/2001-06/msg01053.html
According to that, this should happen in the next few days

"Larry Kilgallen" <Kilgallen@eisner.decus.org.nospam> a �crit dans le
message news: 6BbNZYxtKoM8@eisner.encompasserve.org...
> In article <Pine.LNX.4.33.0108091330420.130-100000@2067.resnet.uni.edu>,
<lange92@2067.resnet.uni.edu> writes:
> > A while back I read something about GCC including gnat in the main gcc
> > tree. Has anyone heard about the plans to include it in gcc recently?
>
> Yes, I have read about it in this newsgroup within the past two weeks.
> I don't remember the details, but you could check an archive.
>