GNU bug report logs - #64294
30.0.50; setf strange when lexical-binding is nil

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Katsumi Yamaoka <yamaoka <at> jpl.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#64294: closed (30.0.50; setf strange when lexical-binding is nil)
Date: Mon, 26 Jun 2023 07:42:01 +0000

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Your message dated Mon, 26 Jun 2023 16:41:25 +0900
with message-id <b4m7crqwtzu.fsf <at> jpl.org>
and subject line Re: bug#64294: 30.0.50; setf strange when lexical-binding is nil
has caused the debbugs.gnu.org bug report #64294,
regarding 30.0.50; setf strange when lexical-binding is nil
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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64294: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=64294
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From: Katsumi Yamaoka <yamaokac <at> detroit.hostforweb.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 30.0.50; setf strange when lexical-binding is nil
Date: Mon, 26 Jun 2023 09:40:58 +0900

Hi,

In the *scratch* buffer:

(setq lexical-binding nil)
(require 'nnheader)
(macroexpand '(setf (mail-header-date header) date))
 => (let* ((v #'(lambda (cl-x) (progn (progn (aref cl-x 3)))))
           (v header))
      (\(setf\ funcall\) date v v))

This looks broken, though it gets normal if lexical-binding is t.
Because of this, an old ELisp module doesn't work.  In addition,
the funny portion is replased with
\(setf\ internal--with-suppressed-warnings\)...
if the code is byte-compiled.

Thanks.

In GNU Emacs 30.0.50 (build 1, x86_64-pc-cygwin, GTK+ Version
 3.22.28, cairo version 1.17.4) of 2023-06-26 built on localhost

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From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: 64294-done <at> debbugs.gnu.org
Subject: Re: bug#64294: 30.0.50; setf strange when lexical-binding is nil
Date: Mon, 26 Jun 2023 16:41:25 +0900

Duplicate.  Sorry for the noise.

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