Very big integer arithmetic crashes GHCi on Windows and Mac

With GHC 6.4, interpreted or compiled, on Windows and 
Mac OS X, 
evaluating the expression (4^(4^44))::Integer causes a 
crash.

On Unix, it just goes out to lunch and eats memory, 
which seems more plausible.


On Mac, the message is:
    ___         ___ _
   / _ \ /\  /\/ __(_)
  / /_\// /_/ / /  | |      GHC Interactive, version 6.4, for 
Haskell 98.
/ /_\\/ __  / /___| |      http://www.haskell.org/ghc/
\____/\/ /_/\____/|_|      Type :? for help.

Loading package base-1.0 ... linking ... done.
Prelude> 4^(4^44)::Integer
bash: [539: 1] tcsetattr: Operation not supported
Segmentation fault

Edited Mar 09, 2019 by Simon Marlow

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Very big integer arithmetic crashes GHCi on Windows and Mac