[GHC] #701: Better CSE optimisation

[GHC]

#701: Better CSE optimisation
----------------------+-----------------------------------------------------
 Reporter:  simonmar  |          Owner:                    
     Type:  task      |         Status:  new               
 Priority:  normal    |      Milestone:  _|_               
Component:  Compiler  |        Version:  6.4.1             
 Severity:  normal    |     Resolution:                    
 Keywords:            |     Difficulty:  Difficult (1 week)
 Testcase:  N/A       |   Architecture:  Unknown           
       Os:  Unknown   |  
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Changes (by simonmar):

  * milestone:  6.8 branch => _|_

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/701#comment:3>
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