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

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

[ebuild  N     ] sci-mathematics/clipper2-2.0.1:0/2::gentoo  USE="-test" 699 KiB

Total: 1 package (1 new), Size of downloads: 699 KiB