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/PadWalker-2.500.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 16 KiB
[ebuild  N     ] dev-perl/Term-ReadLine-Gnu-1.470.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 213 KiB
[ebuild  N     ] dev-perl/Debug-Client-0.330.0::gentoo  USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 84 KiB

Total: 3 packages (3 new), Size of downloads: 313 KiB