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{-# LANGUAGE GADTSyntax #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE UnliftedNewtypes #-}
{-# LANGUAGE TypeFamilies #-}
module UnliftedNewtypesInstanceFail where
import GHC.Exts
class Foo a where
data Bar a :: TYPE 'IntRep
instance Foo Bool where
newtype Bar Bool :: TYPE 'WordRep where
BarBoolC :: Word# -> Bar Bool
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