See tracker.
commit f4fa3b25e2dfdcecca5773a89e33b840df3977c5 Author: Kent Fredric <kentnl@gentoo.org> Date: Sat Sep 10 23:09:23 2016 +1200 dev-perl/XML-Parser: fix get_libdir in global scope, bug #593370 Bug: https://bugs.gentoo.org/59337