[GHC] #1068: Trunk broken on deriving Typeable

[GHC]

#1068: Trunk broken on deriving Typeable
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    Reporter:  audreyt at audreyt.org  |       Owner:         
        Type:  bug                  |      Status:  new    
    Priority:  normal               |   Milestone:         
   Component:  Compiler             |     Version:  6.7    
    Severity:  normal               |    Keywords:         
  Difficulty:  Unknown              |    Testcase:         
Architecture:  Unknown              |          Os:  Unknown
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As of 2006-12-25:

   import Data.Typeable
   data D a = C a deriving (Typeable)

 yields:

   ghc-6.7: panic! (the 'impossible' happened)
   (GHC version 6.7 for i386-apple-darwin):
         funResultTy base:GHC.Prim.*{(w) tc 34d}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1068>
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