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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] dev-games/hdl_dump-0.9.2.20180722::gentoo  USE="-debug" 182 KiB

Total: 1 package (1 new), Size of downloads: 182 KiB