bug#47318: 26.3; Modules on Emacs 26.3 broken?

[Philipp Stephani]

Am Mo., 22. März 2021 um 14:14 Uhr schrieb Sanel Zukan <sanelz@gmail.com>:
>
> Hi guys,
>
> I'm getting this [1] error from freshly compiled Emacs 26.3 and
> vterm-module.
>
> Also, emacs-eject [2] and very simple module [3] fails on 26.3 with the
> similar error. However, they are working fine on 27.1.
>
> Any idea what could go wrong? I also tried to run bare Emacs with
> 'emacs -Q'. In the all cases, Emacs is compiled with modules support.
>
> [1] https://github.com/akermu/emacs-libvterm/issues/181
> [2] https://github.com/syohex/emacs-eject
> [3] http://diobla.info/blog-archive/modules-tut.html
>

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=30164 is probably at
least part of the answer.
However, loading modules in general should still work, even in Emacs
26. Do you also get errors when loading the module file directly with
`load' instead of `require'?