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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/skalibs-2.15.0.0:0/2.15.0::gentoo  262 KiB
[ebuild  N     ] dev-lang/execline-2.9.9.1:0/2.9.0::gentoo  117 KiB
[ebuild  N     ] sys-apps/s6-linux-utils-2.6.4.1::gentoo  54 KiB

Total: 3 packages (3 new), Size of downloads: 432 KiB