bug#45617: <query-replace> loses the edit region. Works in 23.3, broke in 26.3

[Juri Linkov]

> It looks like the `replace.elc` file I've been creating isn't being loaded:
>
> I changed:
> (message "Replaced %d occurrence%s%s"
> To:
> (message "Replaced XX %d occurrence%s%s"
>
> And the *Messages* buffer still shows:
> Replaced 3 occurences
>
> I've verified the elc file is re-written each time I change and
> byte-compile-file replace.el.
>
> Is there a command that shows the paths to the elc files loaded? Or, does a
> new instance of emacs share elc's from an existing running copy of emacs
> (that would be pretty geeky!)? I'm doing my tests with an emacs running for
> several days now, assuming it would not interfere.

Maybe the simplest way is that you can temporarily copy redefined
functions to your .emacs file, and you can evaluate redefined functions
using C-M-x.