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bug#23233: 25.0.92; Crash after doing much work in Proof General
From: |
Andreas Schwab |
Subject: |
bug#23233: 25.0.92; Crash after doing much work in Proof General |
Date: |
Thu, 07 Apr 2016 00:24:04 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.92 (gnu/linux) |
Lars Magne Ingebrigtsen <larsi@gnus.org> writes:
> The backtrace reminded me a bit about the known gc recursion bug that I
> can't remember the recipe for right now -- it was something about if you
> (setcar foo foo), then Emacs will segfault when trying to gc? I forget
> the details, but it's in the debbugs somewhere. :-)
Circular structures are of course not a problem, since gc will never
revisit an object it already saw. You need deeply nested structures.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."