| isLocalId id = unitVarEnv id (OneOcc False True int_cxt)
| otherwise = emptyDetails
markMany, markInsideLam, markInsideSCC :: OccInfo -> OccInfo
markMany IAmDead = IAmDead
| isLocalId id = unitVarEnv id (OneOcc False True int_cxt)
| otherwise = emptyDetails
markMany, markInsideLam, markInsideSCC :: OccInfo -> OccInfo
markMany IAmDead = IAmDead