[GHC] #7369: Simplifier bug(?)

[GHC]

#7369: Simplifier bug(?)
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  Reporter:  sweirich          |          Owner:                  
      Type:  bug               |         Status:  closed          
  Priority:  normal            |      Milestone:                  
 Component:  Compiler          |        Version:  7.6.1           
Resolution:  duplicate         |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  Other             |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
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Comment(by simonpj):

 Also #5448, #5722, #7057

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7369#comment:4>
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