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/Term-ReadLine-Gnu-1.470.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 213 KiB
[ebuild  N     ] dev-perl/Term-ShellUI-0.920.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 30 KiB

Total: 2 packages (2 new), Size of downloads: 243 KiB