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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] virtual/fortran-0-r1::gentoo  USE="openmp" 0 KiB
[ebuild  N     ] sci-libs/profphd-utils-1.0.10-r1::gentoo  380 KiB
[ebuild  N     ] dev-perl/librg-utils-perl-1.0.43-r2::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 218 KiB

Total: 3 packages (3 new), Size of downloads: 597 KiB