bug#39233: .elc file - possibly outdated backward compatibility comments

[Stefan Kangas]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> Here's the patch I propose for `master`.  WDYT?

Looks good to me, but:

> +       (format "    (message \"BEWARE: %%S was compiled by a more recent 
> version of Emacs (%s)\" #$))" emacs-version)

Is this important enough to warrant using `warn' instead?

Best regards,
Stefan Kangas