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-perl/Algorithm-Diff-1.201.0::gentoo  USE="-examples" PERL_FEATURES="ithreads (-debug) -quadmath" 30 KiB
[ebuild  N     ] dev-perl/Text-Diff-1.450.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 29 KiB

Total: 2 packages (2 new), Size of downloads: 59 KiB