No basic improvements branch for 3.5 - work on tree-ssa

[law@redhat.com]

In message <10310230257.AA14264@vlsi1.ultra.nyu.edu>, Richard Kenner writes:
 >    Why not just use the tree-ssa branch as the `basic improvements
 >    branch' for this round?  It has been regarded as 3.5-to-be for quite a
 >    while AFAIK.
 >
 >Sort of, but that would put pressure on tree-ssa to actually make 3.5
 >or else cause a merge problem with the unrelated changes in that
 >branch.  I think it's much simpler for both efforts to not tie them
 >together like that in terms of schedules.
Actually, we would welcome the additional folks working on the branch.  

Being open to a wider development audience would be a good thing at
this point IMHO.

jeff