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

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] app-arch/dump-0.4.47-r2::gentoo  USE="bzip2 readline sqlite ssl zlib -debug -ermt -lzo (-selinux) -static -test -uuid" 570 KiB

Total: 1 package (1 new), Size of downloads: 570 KiB