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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/onigmo-6.2.0-r1:0/6::gentoo  USE="-combination-explosion-check -crnl-as-line-terminator" 826 KiB

Total: 1 package (1 new), Size of downloads: 826 KiB