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

Calculating dependencies ... done!
Dependency resolution took 1.51 s (backtrack: 0/20).

[ebuild     UD ] dev-perl/Authen-SASL-2.180.0::gentoo [2.200.0::gentoo] USE="-kerberos -test" PERL_FEATURES="ithreads (-debug) -quadmath" 39 KiB

Total: 1 package (1 downgrade), Size of downloads: 39 KiB