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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] acct-group/psybnc-0-r2::gentoo  0 KiB
[ebuild  N     ] acct-user/psybnc-0-r2::gentoo  0 KiB
[ebuild  N     ] net-irc/psybnc-2.4.3-r1::gentoo  USE="ipv6 ssl -multinetwork -oidentd -scripting" 1083 KiB

Total: 3 packages (3 new), Size of downloads: 1083 KiB