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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Crypt-Rijndael-1.160.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 71 KiB
[ebuild  N     ] dev-perl/File-KeePass-2.30.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 37 KiB

Total: 2 packages (2 new), Size of downloads: 107 KiB