[GHC] #2378: panic: lookupVers1, when standalone deriving Typeable and Data

[GHC]

#2378: panic: lookupVers1, when standalone deriving Typeable and Data
----------------------+-----------------------------------------------------
 Reporter:  guest     |          Owner:  simonpj
     Type:  bug       |         Status:  new    
 Priority:  normal    |      Milestone:         
Component:  Compiler  |        Version:  6.8.2  
 Severity:  normal    |     Resolution:         
 Keywords:            |     Difficulty:  Unknown
 Testcase:            |   Architecture:  x86    
       Os:  MacOS X   |  
----------------------+-----------------------------------------------------
Changes (by simonpj):

  * owner:  => simonpj
  * difficulty:  => Unknown

Comment:

 This is bad.  I'm looking into it.

 S

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2378#comment:2>
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