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{-# OPTIONS_GHC -fno-warn-redundant-constraints #-}
{-# LANGUAGE ConstraintKinds, FlexibleContexts, FlexibleInstances, KindSignatures #-}
module TcShouldTerminate where
import Data.Kind (Constraint)
class C (p :: Constraint)
class D (p :: Constraint)
instance C (D p) => C (D (D p))
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