bounded pointers progress report

[Jeffrey A Law]

  In message < 200004071704.KAA22821@gkm-dsl-194.ascend.com >you write:
  > Things are far enough along that it would be useful to make this
  > available for others to test & debug.
  > 
  > Since turnaround for review of patches is slow, I fear it might take
  > months to get it all checked into the gcc mainline.  What's the
  > possibility of starting a CVS branch for bounds checking?  If a branch
  > isn't possible, then I suppose I could publish patches against
  > the weekly snapshots.
We can certainly create a branch for this work and let you loose to do
whatever you need on the branch.

jeff