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

Calculating dependencies  ... done!
[ebuild  N     ] sys-apps/opentmpfiles-0.1.3::core-kit  USE="(-selinux)" 6 KiB
[ebuild  N     ] virtual/tmpfiles-1::core-kit  0 KiB
[ebuild     U  ] sys-apps/openrc-0.35.0_beta1::core-kit [0.23.2-r1::core-kit] USE="ncurses pam unicode -audit -debug -netifrc -newnet (-prefix) (-selinux) -static-libs (-tools%)" 0 KiB

Total: 3 packages (1 upgrade, 2 new), Size of downloads: 6 KiB