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

Calculating dependencies ... done!
Dependency resolution took 1.53 s (backtrack: 0/20).

[ebuild     UD ] dev-perl/URI-5.320.0::gentoo [5.340.0::gentoo] USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 130 KiB

Total: 1 package (1 downgrade), Size of downloads: 130 KiB