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When asked to create a sufficiently large array ghci coredumps.

Edit: new example

import Data.Array.MArray
import Data.Array.IO
import Data.Word

main = do
  m <- newArray_ (0,2^62-1) :: IO (IOUArray Int Word32) -- allocates 0 bytes
  writeArray m 17 12345 -- write wherever you like
  mapM (\x -> writeArray m x 0) [1..10000] -- core dump

Load this into ghci and type 'main'.