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

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

[ebuild  N     ] dev-libs/nspr-4.40::gentoo  USE="-debug" 986 KiB
[ebuild  N     ] acct-group/iroffer-0-r2::gentoo  0 KiB
[ebuild  N     ] acct-user/iroffer-0-r2::gentoo  0 KiB
[ebuild  N     ] dev-libs/nss-3.131::gentoo  USE="utils -cacert -test -test-full" CPU_FLAGS_X86="avx2 sse3" 85996 KiB
[ebuild  N     ] net-irc/iroffer-dinoex-3.33::gentoo  USE="admin blowfish chroot http memsave ssl telnet -curl -debug -geoip -gnutls -ruby -upnp" 528 KiB

Total: 5 packages (5 new), Size of downloads: 87510 KiB