GNU bug report logs - #46159
28.0.50; lexical-let does not work with returned closures on nativecomp

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Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <akrl <at> sdf.org>
To: mah--- via "Bug reports for GNU Emacs, the Swiss army knife of text
 editors" <bug-gnu-emacs <at> gnu.org>
Cc: "Mark A. Hershberger" <mah <at> everybody.org>, 46159 <at> debbugs.gnu.org
Subject: Re: bug#46159: 28.0.50; lexical-let does not work with returned
 closures on nativecomp
Date: Thu, 28 Jan 2021 20:57:13 +0000

mah--- via "Bug reports for GNU Emacs, the Swiss army knife of text
editors" <bug-gnu-emacs <at> gnu.org> writes:

> I previously filed #45056 but the problem seemed to be fixed.
>
> It has re-appeared and I just noticed some interesting messages in my
> *Warnings* buffer that appear to be relevant.
>
> Specifically:
>
>     Warning (comp): init.el:164:39: Warning: ‘(post-cmd post-cmd)’ is a malformed function
>     Warning (comp): init.el:181:59: Warning: reference to free variable ‘rsync-buff’
>
> That section of code has this function:
>
> (defun mah/firestarter-sentinel (host post-cmd)
>   "Sentinal function that will run the POST-CMD on HOST."
>   (lexical-let ((post-cmd post-cmd)
> 		             (host host)
> 		             (rsync-buff (get-buffer-create mah/rsync-buff-name)))
>     (lambda (proc event-type)
>       (message (concat "post cmd: " post-cmd "\nevent: " event-type))
>       (cond ((string-equal event-type "finished\n")
> 	            (if post-cmd
> 		            (progn (message (concat "rsync finished, running "
> 					                        post-cmd))
> 			            (mah/firestarter-do-post host post-cmd rsync-buff))
> 	              (message "rsync finshed")))
> 	      (t (if post-cmd
> 		         (progn (message (concat "rsync didn't finish normally, "
> 					                     "running anyway.  Check "
> 					                     mah/rsync-buff-name))
> 			         (mah/firestarter-do-post host post-cmd rsync-buff))
> 		         (message "rsync finshed with errors")))))))
>
> I just compiled emacs from master and it did not exhibit the same behavior

Hi,

do we have a reproducer?  Where is possible to see the whole file being
compiled?

Could you post all the warning in the *Async-native-compile-log* emitted
compiling init.el?

Dumb question: is this file requiring all necessary libraries (ex
‘cl.el’)?

Thanks!

  Andrea

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