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

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

[ebuild     U  ] x11-libs/libXpm-3.5.19::gentoo [3.5.18::gentoo] USE="-doc -test" 458 KiB

Total: 1 package (1 upgrade), Size of downloads: 458 KiB