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

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] app-crypt/argon2-20190702-r1:0/1::gentoo  USE="-static-libs" 1471 KiB
[ebuild  N     ] acct-group/unrealircd-0-r2::gentoo  0 KiB
[ebuild  N     ] dev-libs/jansson-2.15.1:0/4::gentoo  USE="-doc -static-libs" 478 KiB
[ebuild  N     ] acct-user/unrealircd-0-r2::gentoo  0 KiB
[ebuild  N     ] net-irc/unrealircd-6.0.4.2-r1::gentoo  USE="operoverride -class-nofakelag -curl -geoip -operoverride-verify -verify-sig" 8495 KiB

Total: 5 packages (5 new), Size of downloads: 10442 KiB