bug#25592: Feature request: sorting overlays

[Eli Zaretskii]

> From: Johan Bockgård <bojohan@gnu.org>
> Cc: Clément Pit--Claudel <clement.pitclaudel@live.com>,
>   25592@debbugs.gnu.org
> Date: Sat, 04 Feb 2017 00:28:19 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > How did you implement in Lisp the "last resort" of comparison, which
> > compares addresses of the C structs?
> 
> Use sxhash?

Doesn't that return an unsigned value?  sort_overlays compares the
addresses as signed values.