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Segmentation fault for space_leak_001 with profiling (-hc)

WAY=profasm is omitted by default for this test, but the code looks like this:

Test.hs:

import Data.List
main = print $ length $ show (foldl' (*) 1 [1..100000] :: Integer)
$ ghc Test.hs -prof -O
$ ./Test +RTS -hc
Segmentation fault (core dumped)

Reproducible with at least 7.10.3 and HEAD, also without -O.

Edited by Ben Gamari
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