[GHC] #149: missed CSE opportunity

[GHC]

#149: missed CSE opportunity
--------------------------------------+-------------------------------------
  Reporter:  nobody                   |          Owner:                            
      Type:  bug                      |         Status:  new                       
  Priority:  normal                   |      Milestone:  _|_                       
 Component:  Compiler                 |        Version:  5.04.2                    
Resolution:  None                     |       Keywords:  optimisations             
        Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple          
   Failure:  Runtime performance bug  |     Difficulty:  Moderate (less than a day)
  Testcase:  T149                     |      Blockedby:                            
  Blocking:                           |        Related:                            
--------------------------------------+-------------------------------------

Comment(by nfrisby):

 As of my fix for #7796, commit hash
 c7d80c6524390551b64e9c1d651e1a03ed3c7617, this test is passing again. I
 made no changes to CSE, though. So it needs to be further robustified.
 It's on my todo list, but not near the top.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/149#comment:24>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler