Subject: bug#18714: duping to newer bug

From: Mike Frysinger <[email-masked]>
Date: Tue, 7 Dec 2021 00:20:05 -0500

forcemerge 20314 18714 18715

looks like this was reported later again, and then resolved & fixed there.
it was released in automake-1.16.
http://git.savannah.gnu.org/cgit/automake.git/commit/?h=7c25c996d1c7c212a5981aa0e9c4434b6f33f7b8