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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild   R    ] media-libs/libglvnd-1.7.0::gentoo  USE="X -test" 560 KiB

Total: 1 package (1 reinstall), Size of downloads: 560 KiB