Re: Getting ready to land native-compilation on master

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: Philip Kaludercic <philipk@posteo.net>,  Eli Zaretskii <eliz@gnu.org>,
>   akrl@sdf.org,  emacs-devel@gnu.org
> Date: Wed, 14 Apr 2021 10:50:45 -0400
> 
> >> The difference being that this is not generated when the package is
> >> installed, but suddenly appears in a buffer.
> >
> > This shouldn't be a problem once we flip
> > `comp-async-report-warnings-errors' to nil by default.  AFAIK, the plan
> > is to do that in time for Emacs 28.  As others have explained, we keep
> > it set to t for now as it indicates real problems.
> 
> The warnings mentioned in this thread are those we normally see when we
> byte-compile the file, which should be a separate step from the async
> compilation to native code, so AFAICT showing those warnings during
> native compilation is not very useful

They are useful because native compilation frequently flags issues
that byte compilation doesn't (because the former happens in a more
pristine environment than the latter).