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

[Andrew Cagney]

New commits:
commit b57021e5397a8fd7bc8f6a11a63107e94b849b87
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Dec 20 14:04:39 2019 -0500

    refcnt: debug-log old->new count changes