bug#50411: 28.0.50; emacs compilation

[Eli Zaretskii]

> From: Daniel Fleischer <daniel.fleischer@amobee.com>
> Cc: Daniel Fleischer <danflscr@gmail.com>,  50411@debbugs.gnu.org,
>   nisoni@algon.dk
> Date: Sun, 19 Sep 2021 17:30:40 +0300
> 
> Eli Zaretskii [2021-09-19 Sun 08:40] wrote:
> 
> > Thanks, this LGTM, but could you also include in the entry the
> > indications of the problem which this fixes?  PROBLEMS is supposed to
> > be searched for error messages and other problematic indications users
> > see when they build or use Emacs.
> 
> Attached.

Thanks, this LGTM.  Let's wait for a while to see whether we need to
say something about this being specific to Intel CPUs.  Also, I'd like
Alan (CC'ed) to okay this.