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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] dev-perl/Tie-IxHash-1.230.0-r1::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 10 KiB
[ebuild  N     ] dev-perl/Text-Iconv-1.700.0-r3::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 11 KiB
[ebuild  N     ] dev-perl/XML-XPath-1.480.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 56 KiB
[ebuild  N     ] dev-perl/XML-Twig-3.540.0::gentoo  USE="nls -test" PERL_FEATURES="ithreads (-debug) -quadmath" 281 KiB

Total: 4 packages (4 new), Size of downloads: 356 KiB