testsuite/tests/typecheck/should_compile/T13343.hs


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{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE PolyKinds #-}
module Bug where

import GHC.Exts

type Bad = forall (v1 :: RuntimeRep) (a1 :: TYPE v). a1

-- should be accepted because GHC will generalize over v. Note v /= v1.