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/XML-XPath-1.480.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 56 KiB
[ebuild  N     ] net-dns/dnssec-root-20210902::gentoo  5 KiB

Total: 2 packages (2 new), Size of downloads: 60 KiB