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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/hiredis-1.2.1:0/1.2::gentoo  USE="ssl -examples -static-libs -test" 126 KiB

Total: 1 package (1 new), Size of downloads: 126 KiB