From: Paul Eggert <eggert@cs.ucla.edu>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Angelo Graziosi <angelo.g0@libero.it>,
Philippe Spiesser <ann.onymous@orange.fr>,
Bruno Haible <bruno@clisp.org>,
Stefan Kangas <stefankangas@gmail.com>,
43152@debbugs.gnu.org
Subject: bug#43152: 28.0.50; when building emacs 28.0.50 ./temacs is stopped with core
Date: Sat, 5 Sep 2020 17:58:22 -0700 [thread overview]
Message-ID: <d21d675d-4322-b216-f208-16886504356d@cs.ucla.edu> (raw)
In-Reply-To: <87tuwb29o1.fsf@gnus.org>
On 9/5/20 2:30 PM, Lars Ingebrigtsen wrote:
> I've got git 2.17 on high sierra, so I did a normal git bisect, and it
> reports:
>
> Bisecting: 0 revisions left to test after this (roughly 0 steps)
> [42ec41251584c480ee3286ff369c18629f52a7d5] Update from Gnulib
>
> The next commit is:
>
> commit 2c389455c72250b579f5225b99bc7de0cf435e4a (refs/bisect/good-2c389455c72250b579f5225b99bc7de0cf435e4a)
Thanks, so Bug#43152 is due to verify.h's recent attempt to use __builtin_assume
on Clang. As I understand it, using __builtin_assume was only for minor
performance improvements when compiling with older Clang versions, which does
not appear to be worth the software debugging hassle that we've been enduring on
GNU Emacs master. So I reverted those changes to verify.h in Gnulib and updated
GNU Emacs to match. I'll cc this to Bruno Haible, who wrote those
__builtin_assume changes.
next prev parent reply other threads:[~2020-09-06 0:58 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 9:54 Build failure on macOS Angelo Graziosi
2020-09-02 10:26 ` Stefan Kangas
2020-09-02 20:09 ` bug#43152: 28.0.50; when building emacs 28.0.50 ./temacs is stopped with core Paul Eggert
2020-09-03 12:30 ` Anonymous
2020-09-03 15:35 ` Angelo Graziosi
2020-09-03 19:17 ` Paul Eggert
2020-09-03 23:17 ` Angelo Graziosi
2020-09-03 23:53 ` Angelo Graziosi
2020-09-04 20:32 ` Paul Eggert
2020-09-04 21:24 ` Angelo Graziosi
2020-09-04 21:34 ` Angelo Graziosi
2020-09-04 21:56 ` Paul Eggert
2020-09-05 6:30 ` Angelo Graziosi
2020-09-05 12:05 ` Lars Ingebrigtsen
2020-09-05 19:27 ` Paul Eggert
2020-09-05 21:30 ` Lars Ingebrigtsen
2020-09-06 0:58 ` Paul Eggert [this message]
2020-09-06 11:50 ` Lars Ingebrigtsen
2020-09-05 21:36 ` Lars Ingebrigtsen
2020-09-05 21:41 ` Lars Ingebrigtsen
-- strict thread matches above, loose matches on Subject: below --
2020-09-01 9:37 Philippe Spiesser
2020-09-01 11:10 ` Stefan Kangas
2020-09-01 14:19 ` Anonymous
2020-09-01 14:29 ` Eli Zaretskii
2020-09-01 16:49 ` Anonymous
2020-09-01 17:09 ` Eli Zaretskii
2020-09-01 17:15 ` Stefan Kangas
2020-09-02 10:00 ` Anonymous
2020-09-06 14:31 ` Mattias Engdegård
2020-09-06 14:38 ` Lars Ingebrigtsen
2020-09-06 15:44 ` Mattias Engdegård
2020-09-06 23:07 ` Lars Ingebrigtsen
2020-09-07 7:25 ` Mattias Engdegård
2020-09-07 10:20 ` Lars Ingebrigtsen
2020-09-07 12:24 ` Angelo Graziosi
2020-09-07 12:58 ` Anonymous
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