GNU bug report logs - #33014
26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function

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From: Gemini Lasswell <gazally <at> runbox.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 33014 <at> debbugs.gnu.org
Subject: bug#33014: 26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function
Date: Mon, 29 Oct 2018 11:24:10 -0700

Eli Zaretskii <eliz <at> gnu.org> writes:

>> I have patched Emacs with a 'volatile' on the definition of 'fun' in
>> Ffuncall, and so far haven't managed to reproduce the bug with it:
>
> Thanks.  This needs a comment for why we do something strange like
> that, but otherwise, if no one has better ideas in a week's time,
> let's install this.

Pushed to master, along with a new test which should fail if some future
optimizing compiler removes the reference from the stack in spite of the
'volatile'.

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