[GHC] #1811: liberate case causes code duplication

[GHC]

#1811: liberate case causes code duplication
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    Reporter:  simonmar  |        Owner:  simonpj   
        Type:  bug       |       Status:  new       
    Priority:  normal    |    Milestone:  6.8 branch
   Component:  Compiler  |      Version:  6.8       
    Severity:  normal    |   Resolution:            
    Keywords:            |   Difficulty:  Unknown   
          Os:  Unknown   |     Testcase:            
Architecture:  Unknown   |  
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Changes (by simonmar):

  * version:  6.6.1 => 6.8

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1811#comment:1>
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