GNU bug report logs - #32503
26.1; Byte-compiled functions don't hash consistently

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 32503 <at> debbugs.gnu.org, niwtrx <at> icloud.com, Daniel Colascione <dancol <at> dancol.org>, Adam Porter <adam <at> alphapapa.net>, 38912 <at> debbugs.gnu.org
Subject: bug#32503: bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded
Date: Thu, 28 Apr 2022 13:41:02 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

>> I noticed that byte-compiled functions don't hash consistently.  Here's
>> an ECM from Noam Postavsky
>> <https://github.com/skeeto/emacs-memoize/pull/10#issuecomment-415066682>:
>>
>>     (let ((obj1 (byte-compile (lambda (x) x)))
>>           (obj2 (byte-compile (lambda (x) x))))
>>       (list (equal obj1 obj2)
>>             (eq obj1 obj2)
>>             (= (sxhash obj1)
>>                (sxhash obj2))))
>>     ;=> (t nil nil)
>
> And this test case no longer fails in Emacs 28 (but it fails in Emacs
> 27).  So is there more to be done in these merged bug reports?

There wasn't any response in 43 weeks, so it seems like the issue has
been fixed for Emacs 28, and I'm therefore closing it.  If there are
other problems in this area, I think it would be better to open a new
bug report for those problems.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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