[RFC] Run copyrename one extra time before out-of-ssa

[Mark Mitchell]

Jeffrey A Law wrote:

>>May I interpret your comments as "OK" after bootstrapping/testing? ;-)
> 
> I can't speak for Andrew, but it would have my support.

In theory, this makes sense, but we need more analysis than an isolated 
testcase.  Please obtain benchmark numbers on at least one, and 
hopefully two or three, platforms.  If this is not a demonstrable win, 
then let's not do it.

-- 
Mark Mitchell
CodeSourcery, LLC
mark@codesourcery.com
(916) 791-8304