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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libcdio-2.4.0:0/21::gentoo  USE="cxx -cddb -minimal -static-libs -test" 1682 KiB
[ebuild  N     ] media-video/vcdimager-2.0.1-r2::gentoo  USE="xml -static-libs" 1090 KiB

Total: 2 packages (2 new), Size of downloads: 2771 KiB