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defining data type in GHC results in ghc: panic! (the 'impossible' happened)

vagrant@precise32:~/xml$ ghci -XOverloadedStrings GHCi, version 7.4.1: http://www.haskell.org/ghc/ :? for help Loading package ghc-prim ... linking ... done. Loading package integer-gmp ... linking ... done. Loading package base ... linking ... done. Prelude> data Plant = Plant {common :: String, botanical :: String, zone :: Integer, light :: String, price :: String, availability :: String} deriving (read, show, eq, ord) ghc: panic! (the 'impossible' happened)

(GHC version 7.4.1 for i386-unknown-linux):

nameModule read{tv a9Q}

Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug

Trac metadata
Trac field Value
Version 7.4.1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component GHCi
Test case
Differential revisions
BlockedBy
Related
Blocking
CC hvr
Operating system
Architecture
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