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

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

[ebuild     U  ] sys-apps/coreutils-9.12::gentoo [9.10::gentoo] USE="acl gmp nls openssl (split-usr) xattr -caps -hostname -kill -multicall (-selinux) -static -test -test-full -vanilla -verify-sig" 6562 KiB

Total: 1 package (1 upgrade), Size of downloads: 6562 KiB