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

[Dmitry Gutov]

Hi!

On 22.05.2020 22:31, Gregor Zattler wrote:
> 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)?$' 
> | xargs -0r etags
> etags: etags.c:1987: pfnote: Assertion `name == NULL || name[0] != '\0'' failed.
> xargs: etags: terminated by signal 6
> 125 (master *) grfz@no:~/src$

Looking at the code, it seems more likely the problem is because we're 
failing to parse some particular piece of code.

So if you can determine which file fails to parse, and send us an 
example, that should help fix it.