freeNamesIfType (IfaceAppTy s t) = freeNamesIfType s &&& freeNamesIfType t
freeNamesIfType (IfaceTyConApp tc ts) =
freeNamesIfTc tc &&& fnList freeNamesIfType ts
-freeNamesIfType (IfaceLiteralTy _) = emptyNameSet
+freeNamesIfType (IfaceLitTy _) = emptyNameSet
freeNamesIfType (IfaceForAllTy tv t) =
freeNamesIfTvBndr tv &&& freeNamesIfType t
freeNamesIfType (IfaceFunTy s t) = freeNamesIfType s &&& freeNamesIfType t