\begin{code}
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude, MagicHash, UnboxedTuples #-}
-- We believe we could deorphan this module, by moving lots of things
-- around, but we haven't got there yet:
{-# OPTIONS_GHC -fno-warn-orphans #-}
| n `eqInt` 0 = 0
| otherwise = 1
+ {-# INLINE fromInteger #-} -- Just to be sure!
fromInteger i = I# (toInt# i)
quotRemInt :: Int -> Int -> (Int, Int)