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

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

[ebuild  N     ] media-gfx/oxipng-8.0.0-r1::gentoo  USE="-debug" 67666 KiB

Total: 1 package (1 new), Size of downloads: 67666 KiB