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

Calculating dependencies ... done!
Dependency resolution took 1.55 s (backtrack: 0/20).

[ebuild     U  ] gnome-base/dconf-0.49.0::gentoo [0.40.0::gentoo] USE="-gtk-doc -test" 121 KiB

Total: 1 package (1 upgrade), Size of downloads: 121 KiB