import NewDemand -- All of it
import CoreSyn
import PprCore
-import CoreUtils ( exprIsHNF, exprIsTrivial, exprArity )
+import CoreUtils ( exprIsHNF, exprIsTrivial )
+import CoreArity ( exprArity )
import DataCon ( dataConTyCon )
import TyCon ( isProductTyCon, isRecursiveTyCon )
import Id ( Id, idType, idInlinePragma,