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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/File-Slurp-9999.320.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 34 KiB
[ebuild  N     ] dev-perl/Locale-PO-0.270.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 85 KiB

Total: 2 packages (2 new), Size of downloads: 119 KiB