RFA: tree DSE bug

[Jeffrey A Law]

On Fri, 2005-11-11 at 13:35 -0800, Mark Mitchell wrote:
> Jeffrey A Law wrote:
> 
> > I cobbled it together real quick this morning, we take a .5% compile
> > time hit because we have to mark the backedges in the CFG.  That
> > was my other concern when I looked at the dumps yesterday.
> > 
> > While I think the CFG solution is better and cleaner, I don't think it's
> > *that* much cleaner.
> 
> Thanks for investigating!
> 
> Would you mind reviewing Daniel's patch, then?  As you've thought hard
> about the issues, you're probably in the best position to give an
> thumbs-{up,down} on his patch.
I'm looking at it right now.  
jeff