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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/libXxf86dga-1.1.7::gentoo  USE="-doc" 270 KiB
[ebuild  N     ] x11-misc/chgres-0.1-r3::gentoo  10 KiB

Total: 2 packages (2 new), Size of downloads: 279 KiB