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

Calculating dependencies ... done!
Dependency resolution took 1.51 s (backtrack: 0/20).

[ebuild     U  ] dev-perl/Text-CSV_XS-1.620.0::gentoo [1.610.0::gentoo] USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 281 KiB

Total: 1 package (1 upgrade), Size of downloads: 281 KiB