import FiniteMap
import ForeignCall
import IdInfo
-import List (sortBy)
+import Data.List
import Maybes
import MkZipCfg
import MkZipCfgCmm hiding (CmmAGraph, CmmBlock, CmmTopZ, CmmZ, CmmGraph)
-import Monad
+import Control.Monad
import Name
import Outputable
import SMRep