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

[Andrew Cagney]

New commits:
commit 521c2ac9e28de6311f1f0968a3196afe0e860927
Author: Andrew Cagney <cagney at gnu.org>
Date:   Mon Sep 20 13:43:28 2021 -0400

    testing: impair and fragment tweaks