[GHC] #4943: Another odd missed SpecConstr opportunity

[GHC]

#4943: Another odd missed SpecConstr opportunity
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    Reporter:  batterseapower    |        Owner:                         
        Type:  bug               |       Status:  new                    
    Priority:  normal            |    Milestone:                         
   Component:  Compiler          |      Version:  7.1                    
    Keywords:                    |     Testcase:                         
   Blockedby:                    |   Difficulty:                         
          Os:  Unknown/Multiple  |     Blocking:                         
Architecture:  Unknown/Multiple  |      Failure:  Runtime performance bug
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Comment(by batterseapower):

 Sorry, read "disable case liberation" as "enable case liberation" above.
 (I don't have enough permissions to edit tickets, even my own
 contributions :-)

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4943#comment:3>
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