Re: Redisplay slower in Emacs 28 than Emacs 27

[Gregory Heytings]

> > 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.

Yes, of course, each built was made on a freshly cloned copy.