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

[Andrew Cagney]

New commits:
commit 16598f4ae5f397c7412c16aa9648d6f9112dcc67
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue Aug 7 12:38:09 2018 -0400

    building: simplify setting -W* flags