testsuite/tests/rename/should_compile/T1954.hs


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{-# LANGUAGE GeneralizedNewtypeDeriving #-}
{-# OPTIONS_GHC -Wall -Werror #-}
module Bug(P) where

import Control.Applicative (Applicative)

newtype P a = P (IO a) deriving (Functor, Applicative, Monad)