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

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

[ebuild  N     ] acct-group/epmd-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/epmd-0-r3::gentoo  0 KiB
[ebuild  N     ] dev-lang/erlang-27.3.4.11:0/27.3.4.11::gentoo  USE="kpoll ssl -doc -java -odbc -sctp (-systemd) -tk -wxwidgets" 60905 KiB
[ebuild  N     ] dev-lang/elixir-1.17.3-r2::gentoo  USE="-test" 3181 KiB

Total: 4 packages (4 new), Size of downloads: 64086 KiB