Install this version:
emerge -a =dev-perl/POE-XS-Queue-Array-0.6.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-perl/POE-XS-Queue-Array-0.6.0
Or alternatively:
emerge --autounmask-write -a =dev-perl/POE-XS-Queue-Array-0.6.0
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DIST_AUTHOR=TONYC
DIST_VERSION=0.006
inherit perl-module
DESCRIPTION="An XS implementation of POE::Queue::Array"
SLOT="0"
KEYWORDS="~amd64 ~x86"
RDEPEND="
dev-perl/POE
"
BDEPEND="${RDEPEND}
"