[GHC] #2327: -O flag produces faulty code

[GHC]

#2327: -O flag produces faulty code
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    Reporter:  orenbenkiki   |        Owner:         
        Type:  bug           |       Status:  new    
    Priority:  normal        |    Milestone:         
   Component:  Compiler      |      Version:  6.9    
    Severity:  normal        |   Resolution:         
    Keywords:  Optimizer -O  |     Testcase:         
Architecture:  Unknown       |           Os:  Unknown
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Comment (by ganesh):

 I (Heffalump) only tried with 6.9.20080316, by the way, so it may yet be
 fixed more recently.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2327#comment:1>
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