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

Calculating dependencies ... done!
Dependency resolution took 0.95 s (backtrack: 0/20).

[ebuild   R    ] dev-perl/Regexp-IPv6-0.30.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 4 KiB

Total: 1 package (1 reinstall), Size of downloads: 4 KiB