Re: Redisplay slower in Emacs 28 than Emacs 27

[Óscar Fuentes]

Gregory Heytings via "Emacs development discussions."
<emacs-devel@gnu.org> writes:

> I have no explanation either, and I did not write that the solution
> was to add the "!" back ;-)
>
> What is also odd is that the benchmark does not load any image: it
> loads the "xdisp.c" file and scrolls down until EOF.

Did you `make bootstrap'? My experience bisecting Emacs says that
reliable results require full builds.