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

Calculating dependencies ... done!
Dependency resolution took 1.51 s (backtrack: 0/20).

[ebuild     U  ] app-crypt/libmd-1.2.0::gentoo [1.1.0::gentoo] USE="-verify-sig%" 282 KiB

Total: 1 package (1 upgrade), Size of downloads: 282 KiB