id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,os,architecture,failure,difficulty,testcase,blockedby,blocking,related
1068,Trunk broken on deriving Typeable,audreyt@…,,"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}",bug,closed,normal,,Compiler,6.7,fixed,,,Unknown/Multiple,Unknown/Multiple,,Unknown,drv013,,,