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

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] dev-vcs/cvs-1.12.12-r15::gentoo  USE="crypt nls pam -doc -kerberos (-selinux) -server" 3123 KiB
[ebuild  N     ] app-vim/cvsmenu-1.147-r2::gentoo  17 KiB

Total: 2 packages (2 new), Size of downloads: 3139 KiB