Subject: bug#33014: 26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function

From: Andreas Schwab <[email-masked]>
Date: Sun, 14 Oct 2018 21:46:35 +0200

On Okt 13 2018, Eli Zaretskii <[email-masked]> wrote:

> So you are saying that the call to mark_stack inside mark_one_thread
> doesn't do its job well enough?  AFAIU, it's supposed to scan the
> stack of each and every thread, and mark Lisp objects referenced from
> those stacks.
>
> How do we know there's a reference to that vector on thread 7's stack?
> Could it be that there is no reference at all?

Do we actually mark the registers of the threads as gc roots?

Andreas.

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Andreas Schwab, [email-masked]
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