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

Calculating dependencies ... done!
Dependency resolution took 1.54 s (backtrack: 0/20).

[ebuild     UD ] sys-process/procps-4.0.5-r4:0/1-ng::gentoo [4.0.6:0/1-ng::gentoo] USE="kill ncurses nls (unicode) -elogind -modern-top (-selinux) -skill -static-libs (-systemd) -test (-verify-sig%)" 1483 KiB

Total: 1 package (1 downgrade), Size of downloads: 1483 KiB