patch applied (ghc-6.8/ghc): Better handling of live range joins via spill slots in spill cleaner

[Ben Lippmeier]

Tue Sep 11 06:02:47 PDT 2007  Ben.Lippmeier at anu.edu.au
  * Better handling of live range joins via spill slots in spill cleaner

    M ./compiler/nativeGen/RegAllocColor.hs -1 +1
    M ./compiler/nativeGen/RegSpillClean.hs -59 +145