6.4 profiling bug

[Daniel Fischer]

Hello,
I have encountered some strange behaviour with David Tweeds LaTeX-preprocessor
(slightly modified code attached).
When I compile it for profiling (-prof -auto-all) and run it on a .tex-file 
containing some math-environment, it segfaults.
Files without math are processed properly.
All .tex-files are processed correctly (except for the weaknesses inherent in 
the code) when the code is compiled not for profiling or with
ghc-6.2.2 -prof -auto-all, so I'm rather convinced, it's a 6.4-bug.

If you could explain this behaviour, I'd be grateful.

Cheers,

Daniel Fischer
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