These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.16 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/File-Copy-Recursive-0.450.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 19 KiB
[ebuild  N     ] app-arch/lz4-1.10.0-r1:0/1.10.0-meson::gentoo  USE="-static-libs -test" 379 KiB
[ebuild  N     ] dev-perl/IO-stringy-2.113.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 47 KiB
[ebuild  N     ] dev-perl/Config-IniFiles-3.1.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 70 KiB
[ebuild  N     ] sys-fs/lvm2-2.03.39::gentoo  USE="readline udev -lvm -nvme -sanlock (-selinux) -static -static-libs (-systemd) -test -thin -valgrind -vdo -xfs" 2811 KiB
[ebuild  N     ] dev-db/mysql-connector-c-8.0.41-r1:0/21::gentoo  USE="-ldap -static-libs" 477295 KiB
[ebuild  N     ] dev-perl/DBD-mysql-5.13.0::gentoo  USE="mysql -mariadb -test" PERL_FEATURES="ithreads (-debug) -quadmath" 157 KiB
[ebuild  N     ] app-backup/mylvmbackup-0.16-r2::gentoo  58 KiB

Total: 8 packages (8 new), Size of downloads: 480833 KiB