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

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

[ebuild  N     ] dev-php/xdebug-client-2.9.8::gentoo  USE="-libedit" 429 KiB

Total: 1 package (1 new), Size of downloads: 429 KiB