[GHC] #684: Pending occurrence-analysis fix

[GHC]

#684: Pending occurrence-analysis fix
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    Reporter:  simonpj   |        Owner:  simonpj
        Type:  bug       |       Status:  new    
    Priority:  normal    |    Milestone:  6.6    
   Component:  Compiler  |      Version:  6.4.1  
    Severity:  normal    |     Keywords:         
          Os:  Unknown   |   Difficulty:  Unknown
Architecture:  Unknown   |  
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We have a half-completed improvement to occurrence analysis.
 I have a note that fulsom gets worse.  Should complete and fix.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/684>
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