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

[Andrew Cagney]

New commits:
commit 57e7c615f8b31d365b4cb1a2e2440c340e71ac8e
Author: Andrew Cagney <cagney at gnu.org>
Date:   Wed Apr 1 11:03:17 2020 -0400

    testing: only one impair per --whack option