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module T18793 where
stuff :: Int -> [Int]
{-# NOINLINE stuff #-}
stuff !i = [i,i+1,i+2] -- The bang is so that we get a WW split
f :: Int -> Int
f = foldr k id (stuff 1)
where
k :: Int -> (Int -> Int) -> (Int -> Int)
k i acc | i > 42 = acc . negate
| otherwise = acc
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