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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: native-comp *Warnings* buffer
Date: Sun, 16 May 2021 08:30:46 +0300
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To: Stefan Monnier <monnier@iro.umontreal.ca>
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> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: eric@ericabrahamsen.net,  emacs-devel@gnu.org
> Date: Sun, 16 May 2021 01:12:49 -0400
> 
> >   > I think "stealth" compilation performed opportunistically in the
> >   > background should indeed not display any warnings (by default).
> > I understand the reason for saying that, but... would this mean that a
> > compilation of that material won't happen later?
> 
> No, the compilation must have happened *before*, because native
> compilation is only performed for files that are compiled to
> `.elc`, AFAIK.
> 
> > Is there a chance that you'll never see the warnings that
> > compilation generates?
> 
> AFAIK, no, because before native compilation takes place, the code will
> already have been byte-compiled.

I think it actually could happen if the relevant *.el files are
modified during the session and then recompiled or reloaded.