bug#40688: 28.0.50; Advice And ByteCompile Behavior Change

[Eli Zaretskii]

> Cc: 40688@debbugs.gnu.org
> Date: Sun, 03 May 2020 07:16:04 -0700
> From: "T.V Raman" via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> is it possible that things go south if something that is needed during
> the build of module-a.el gets byte-compiled *after* module-a.el? 

It could happen if your dependencies in the Makefile are incomplete or
incorrect.