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/libjodycode-4.1.2::gentoo  47 KiB
[ebuild  N     ] app-misc/jdupes-1.28.0-r1::gentoo  USE="dedupe -hardened" 173 KiB

Total: 2 packages (2 new), Size of downloads: 220 KiB