import CoreUnfold ( noUnfolding )
import CoreLint ( beginPass, endPass )
import Rules ( ProtoCoreRule(..) )
+import UsageSPInf ( doUsageSPInf )
import VarEnv
import VarSet
import Var ( Id, IdOrTyVar )
import SrcLoc ( noSrcLoc )
import Util ( mapAccumL )
import Outputable
-
-doUsageSPInf = panic "doUsageSpInf"
\end{code}