GNU bug report logs - #46387
28.0.50; Compiled code making a variable dynamic stopped working

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Subject: bug#46387: closed (Re: 28.0.50; Compiled code making a variable
 dynamic stopped working)
Date: Thu, 11 Feb 2021 08:50:01 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#46387: 28.0.50; Compiled code making a variable dynamic stopped working

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 46387 <at> debbugs.gnu.org.

-- 
46387: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=46387
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Mattias Engdegård <mattiase <at> acm.org>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: Stefan Monnier <monnier <at> iro.umontreal.ca>, 46387-done <at> debbugs.gnu.org
Subject: Re: 28.0.50; Compiled code making a variable dynamic stopped working
Date: Thu, 11 Feb 2021 09:49:29 +0100

10 feb. 2021 kl. 23.44 skrev Michael Heerdegen <michael_heerdegen <at> web.de>:

> Yes, works as expected now, thanks.

Excellent, closing then.

>  And also thanks for working on that
> optimization stuff.

Low and uncertain payoff, high risk of becoming immensely unpopular by breaking everything in mysterious ways -- the dream job!

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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: bug-gnu-emacs <at> gnu.org
Cc: Mattias Engdegård <mattiase <at> acm.org>
Subject: 28.0.50; Compiled code making a variable dynamic stopped working
Date: Mon, 08 Feb 2021 18:29:56 +0100

Hello,

the latest changes in byte-opt.el seem to have broken some of my code.
It worked since yesterday, and it still works when interpreted, but the
compiled code raises this error today:

#+begin_src emacs-lisp
Debugger entered--Lisp error: (void-variable number)
  bbdb-anniv-diary-entries()
  alarm-clock-diary-list-entries-hook-fun-to-alarm-clock(bbdb-anniv-diary-entries #f(compiled-function (dt) #<bytecode 0x10302b42caa2d23>) #f(compiled-function (&rest args2) #<bytecode -0x159ba228e7b687fb>))
  #f(compiled-function () #<bytecode -0xe7267f5f0b223bb>)()
  [...]
#+end_src

`alarm-clock-diary-list-entries-hook-fun-to-alarm-clock' has this
definition:

#+begin_src emacs-lisp
(defun alarm-clock-diary-list-entries-hook-fun-to-alarm-clock (fun &optional date-fun filter-return)
  ;; For functions to put in `diary-list-entries-hook',
  ;; e.g. `bbdb-anniv-diary-entries'
  (require 'calendar)
  (require 'diary-lib)
  (with-suppressed-warnings ((lexical date original-date number))
    (defvar date)
    (defvar original-date)
    (defvar number))
  (defvar diary-entries-list)
  (let* ((date (funcall (or date-fun #'identity) (calendar-current-date)))
         (original-date date)
         (diary-entries-list '())
         (number 1))
    (funcall fun)
    (dolist (to-add (funcall (or filter-return #'identity)
                             (mapcar #'substring-no-properties (mapcar #'cadr diary-entries-list))))
      (alarm-clock-add-automatically-maybe
       to-add (list (alarm-clock-last-midnight))
       nil '((origin . diary-list-entries-hook-fun))))))
#+end_src

FUN is bound to `bbdb-anniv-diary-entries'.  `number' should be bound
dynamically when that function is `funcall'ed.

TIA,

Michael.


In GNU Emacs 28.0.50 (build 34, x86_64-pc-linux-gnu, GTK+ Version 3.24.24, cairo version 1.16.0)
 of 2021-02-08 built on drachen
Repository revision: f0afbebe7c423ec8b1003f88af11122dfec28dd1
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12010000
System Description: Debian GNU/Linux bullseye/sid

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