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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] sys-auth/pam_smb-2.0.0_rc6-r3::gentoo  113 KiB

Total: 1 package (1 new), Size of downloads: 113 KiB