bug#63365: 30.0.50; GCC 13.1 breaks building Emacs with native-compilation

[Eli Zaretskii]

> From: Andrea Corallo <acorallo@gnu.org>
> Cc: Arash Esbati <arash@gnu.org>,  cyril.arnould@outlook.com,
>   63365@debbugs.gnu.org,  svraka.andras@gmail.com
> Date: Sun, 25 Jun 2023 09:51:13 -0400
> 
> Maybe someone should compare the two binaries (with and without
> -foptimize-sibling-calls) to understand which compilation unit (and
> which function) differs in details.

How does one compare binaries in a useful way?  The Emacs binary is
AFAIR around 20MB even when stripped of all symbols.