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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] net-libs/loudmouth-1.5.4-r1::gentoo  USE="gnutls ssl -asyncns -debug -idn" 353 KiB

Total: 1 package (1 new), Size of downloads: 353 KiB