[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit fab1271249e3a41cc5c6032f48fcc17fe87d61cc
Author: Andrew Cagney <cagney at gnu.org>
Date:   Thu Jan 21 09:39:17 2021 -0500

    ip: return false for address_is_specified(NULL) et.al.
    
    (don't dump core)