tcIfaceCo (IfaceCoConApp tc ts) = tcIfaceCoApp tc ts
tcIfaceCo (IfaceForAllTy tv t) = bindIfaceTyVar tv $ \ tv' ->
mkForAllCo tv' <$> tcIfaceCo t
tcIfaceCo (IfaceCoConApp tc ts) = tcIfaceCoApp tc ts
tcIfaceCo (IfaceForAllTy tv t) = bindIfaceTyVar tv $ \ tv' ->
mkForAllCo tv' <$> tcIfaceCo t