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

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

[ebuild  N     ] app-arch/lbzip2-2.5_p20181227-r3::gentoo  USE="-debug -static" 689 KiB

Total: 1 package (1 new), Size of downloads: 689 KiB