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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Task-Weaken-1.60.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 28 KiB
[ebuild  N     ] dev-perl/ExtUtils-Depends-0.800.200::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 17 KiB
[ebuild  N     ] dev-perl/B-Utils-0.270.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 73 KiB

Total: 3 packages (3 new), Size of downloads: 117 KiB