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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Class-Loader-2.30.0-r2::gentoo  PERL_FEATURES="ithreads (-debug) -quadmath" 7 KiB
[ebuild  N     ] dev-perl/Math-Pari-2.30.528::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 2200 KiB
[ebuild  N     ] dev-perl/Statistics-ChiSquare-1.0.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 29 KiB
[ebuild  N     ] dev-perl/Math-BigInt-GMP-1.700.300::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 2576 KiB
[ebuild  N     ] dev-perl/Crypt-Random-1.570.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 26 KiB
[ebuild  N     ] dev-perl/Crypt-DH-0.70.0-r3::gentoo  PERL_FEATURES="ithreads (-debug) -quadmath" 43 KiB

Total: 6 packages (6 new), Size of downloads: 4878 KiB