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-libs/antlr-c-3.5.2-r3::gentoo  USE="-debug -doc" 6765 KiB

Total: 1 package (1 new), Size of downloads: 6765 KiB