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

Calculating dependencies ... done!
Dependency resolution took 1.60 s (backtrack: 0/20).

[ebuild     UD ] sys-process/psmisc-23.6::gentoo [23.7::gentoo] USE="X nls -apparmor (-selinux) -test (-verify-sig%)" 415 KiB

Total: 1 package (1 downgrade), Size of downloads: 415 KiB