[GHC] #7252: Impossible error when deriving lower-cased type class (nameModule show{tv a9Y})

[GHC]

#7252: Impossible error when deriving lower-cased type class (nameModule show{tv
a9Y})
-------------------------------+--------------------------------------------
    Reporter:  sfogarty        |        Owner:                    
        Type:  bug             |       Status:  closed            
    Priority:  normal          |    Component:  Compiler          
     Version:  7.4.2           |   Resolution:  duplicate         
    Keywords:                  |           Os:  Linux             
Architecture:  x86_64 (amd64)  |      Failure:  Compile-time crash
    Testcase:                  |    Blockedby:                    
    Blocking:                  |      Related:                    
-------------------------------+--------------------------------------------
Changes (by guest):

  * status:  new => closed
  * resolution:  => duplicate


Comment:

 This is already fixed in GHC 7.6, bug #5961.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7252#comment:1>
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