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{-# OPTIONS_GHC -fno-warn-redundant-constraints #-}
-- !!! class/instance mumble that failed Lint at one time
--
module ShouldCompile where
class Foo a where
op :: Int -> a -> Bool
data Wibble a b c = MkWibble a b c
instance (Foo a, Foo b, Foo c) => Foo (Wibble a b c) where
op x y = error "xxx"
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