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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] acct-group/redsocks-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/redsocks-0-r3::gentoo  0 KiB
[ebuild  N     ] net-proxy/redsocks-0.5-r2::gentoo  USE="-doc" 485 KiB

Total: 3 packages (3 new), Size of downloads: 485 KiB