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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/hiredis-1.4.1:0/1.4::gentoo  USE="ssl -examples -static-libs -test" 172 KiB

Total: 1 package (1 new), Size of downloads: 172 KiB