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

Calculating dependencies ... done!
Dependency resolution took 1.52 s (backtrack: 0/20).

[ebuild     U  ] sys-apps/sed-4.10-r1::gentoo [4.9-r1::gentoo] USE="acl nls xattr%* (-selinux) -static -test-full -verify-sig" 1693 KiB

Total: 1 package (1 upgrade), Size of downloads: 1693 KiB