strip_hints :: [Old.CmmHinted a] -> [a]
strip_hints = map Old.hintlessCmm
-convert_target :: Old.CmmCallTarget -> Old.HintedCmmFormals -> Old.HintedCmmActuals -> ForeignTarget
+convert_target :: Old.CmmCallTarget -> [Old.HintedCmmFormal] -> [Old.HintedCmmActual] -> ForeignTarget
convert_target (Old.CmmCallee e cc) ress args = ForeignTarget e (ForeignConvention cc (map Old.cmmHint args) (map Old.cmmHint ress))
convert_target (Old.CmmPrim op) _ress _args = PrimTarget op