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

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Module-Runtime-0.18.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 27 KiB
[ebuild  N     ] dev-perl/Config-Tiny-2.300.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 27 KiB
[ebuild  N     ] dev-perl/Math-Calc-Units-1.70.0-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 34 KiB
[ebuild  N     ] dev-perl/Module-Implementation-0.90.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 19 KiB
[ebuild  N     ] dev-perl/Sub-Name-0.280.0-r1::gentoo  USE="-suggested -test" PERL_FEATURES="ithreads (-debug) -quadmath" 156 KiB
[ebuild  N     ] dev-perl/Class-Accessor-0.510.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 13 KiB
[ebuild  N     ] dev-perl/Params-Validate-1.310.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 209 KiB
[ebuild  N     ] dev-perl/Monitoring-Plugin-0.400.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 62 KiB

Total: 8 packages (8 new), Size of downloads: 543 KiB