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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libestr-0.1.11-r1::gentoo  USE="-debug -static-libs -test" 348 KiB
[ebuild  N     ] dev-libs/libee-0.4.1-r1::gentoo  USE="-debug -test" 349 KiB

Total: 2 packages (2 new), Size of downloads: 696 KiB