GNU bug report logs - #46722
test-map-into fails

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Package: emacs;

Reported by: Glenn Morris <rgm <at> gnu.org>

Date: Tue, 23 Feb 2021 16:23:01 UTC

Severity: normal

Merged with 53365

Found in versions 27.2, 28.0.50, 29.0.50

Fixed in version 29.1

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

Bug is archived. No further changes may be made.

Full log

Message #49 received at 46722 <at> debbugs.gnu.org (full text, mbox):

From: dick <dick.r.chiang <at> gmail.com>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 46722 <at> debbugs.gnu.org
Subject: Re: bug#46722: test-map-into fails
Date: Wed, 05 Jan 2022 11:04:41 -0500

> Does the patch below help?

I don't see why it would if this doesn't work:

(let ((lexical-binding t))
  (funcall
   (funcall
    (backquote
     (lambda (arg)
       (lambda () arg)))
    t)))

But clearly `byte-compile` allows things that the interpreter doesn't,
otherwise it'd never have worked for so long.

While I remain leery of the fast and loose scoping here, it was but a red
herring.  The problem lies with the hashing behavior of
`cl--generic-dispatchers`.
This bug report was last modified 3 years and 123 days ago.

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