bug#41465: closed (28.0.50 (but also earlier versions); etags asserion error (with too many files?))

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Your message dated Sun, 24 May 2020 18:04:42 +0300
with message-id <address@hidden>
and subject line Re: bug#41465: 28.0.50 (but also earlier versions); etags 
asserion error (with too many files?)
has caused the debbugs.gnu.org bug report #41465,
regarding 28.0.50 (but also earlier versions); etags asserion error (with too 
many files?)
to be marked as done.

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41465: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=41465
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> --- Begin Message ---
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> Subject: 
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> 28.0.50 (but also earlier versions); etags asserion error (with too many files?)
>
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> Date: 
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> Fri, 22 May 2020 21:31:57 +0200
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>
> Dear emacs developers,
>
> I get an assertion error when executing the following line
> (from a cron job of mine):
>
> grfz@no:~/src$ find ~/src -type f -print0 | egrep -zZ '(\.el|\.c|\.h)(\.gz)?$' 
> | xargs -0r etags
> etags: etags.c:1987: pfnote: Assertion `name == NULL || name[0] != '\0'' failed.
> xargs: etags: terminated by signal 6
> 125 (master *) grfz@no:~/src$
>
> This happens with etags from debian buster, as with etags
> build from emacs-27 branch of emacs git repo, as with etags build
> from feature/native-comp branch.
>
>
> Under ~/src there is also the linux kernel git repo.  There
> is no assertion error if I filter it out:
>
> $ find . -type f -print0 | egrep -vzZ linux | egrep -zZ 
> '(\.el|\.c|\.h)(\.gz)?$' | xargs -0r etags
> 0 (master *) grfz@no:~/src$
>
> There is also no assertion error if I filter for .el files
> only:
>
> 125 (master *) grfz@no:~/src$ find ~/src -type f -print0 | egrep -zZ 
> '(\.el)(\.gz)?$' | xargs -0r etags
> 0 (master *) grfz@no:~/src$
>
>
> Therefore I assume this somehow is related to the number of files.
>
>
> Ciao; Gregor
> --
>  -... --- .-. . -.. ..--.. ...-.-
>
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> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
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> Re: bug#41465: 28.0.50 (but also earlier versions); etags asserion error (with too many files?)
>
>
>
>
> Date: 
>
> Sun, 24 May 2020 18:04:42 +0300
>
>
>
>
> > From: Dmitry Gutov <address@hidden>
> > Date: Sun, 24 May 2020 04:43:25 +0300
> > 
> > > For me this assertion error is not a big problem since I now
> > > exclude the linux src tree from the tags creation because of
> > > emacs performance reasons.
> > 
> > Thanks you for that addition.
> > 
> > Indeed, when I configure Emacs with
> > 
> >    CFLAGS='-g -O2' --enable-checking
> > 
> > etags does abort with assertion errors you described.
>
> Thanks, I applied the trivial band-aid to fix this on the emacs-27
> branch.
>
>
> --- End Message ---