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

Calculating dependencies ... done!
Dependency resolution took 0.95 s (backtrack: 0/20).

[ebuild  N     ] dev-lang/luajit-2.1.1780076327:2/2.1.1780076327::gentoo  USE="-lua52compat -static-libs" 1069 KiB

Total: 1 package (1 new), Size of downloads: 1069 KiB