[Bug other/69561] MULTILIB_EXCLUSIONS is not documented

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69561

--- Comment #2 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Steve Ellcey from comment #0)
> MULTILIB_EXCLUSIONS is not documented anywhere.  MULTILIB_EXCEPTIONS is
> documented, but not MULTILIB_EXCLUSIONS.

MULTILIB_EXCEPTIONS is in fragments.texi, so I guess that's where
MULTILIB_EXCLUSIONS would go, too...