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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] app-arch/gnome-autoar-0.4.5::gentoo  USE="-gtk -gtk-doc -introspection -test -vala" 51 KiB

Total: 1 package (1 new), Size of downloads: 51 KiB