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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild     U  ] x11-libs/libXi-1.8.3::gentoo [1.8.2::gentoo] USE="-doc" 403 KiB

Total: 1 package (1 upgrade), Size of downloads: 403 KiB