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

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/YAML-Syck-1.360.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 163 KiB
[ebuild  N     ] dev-perl/Archive-Zip-1.680.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 160 KiB
[ebuild  N     ] dev-perl/PAR-Dist-0.530.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 43 KiB
[ebuild  N     ] dev-perl/PAR-1.20.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 65 KiB

Total: 4 packages (4 new), Size of downloads: 429 KiB