commit f4c1681dad5bf3b019b71da255fe2c7d89394c86 (HEAD -> v9_12, origin/v9_12)
Author: Mark Andrews <marka@isc.org>
Date:   Mon Jan 15 12:02:41 2018 +1100

    silence coverity false positive. [RT #46841]
    
    (cherry picked from commit fa22351a7cc6f6d250569d5e192a6d86018645b6)