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

Calculating dependencies ... done!
Dependency resolution took 1.06 s (backtrack: 0/20).

[ebuild  N     ] acct-group/redict-0::gentoo  0 KiB
[ebuild  N     ] dev-libs/hiredict-1.3.1:0/1.3::gentoo  USE="ssl -shim -static-libs -test" 117 KiB
[ebuild  N     ] dev-libs/jemalloc-5.4.0-r2:0/2::gentoo  USE="stats -debug -lazy-lock -prof -xmalloc" 893 KiB
[ebuild  N     ] acct-user/redict-0::gentoo  0 KiB
[ebuild  N     ] dev-db/redict-7.3.6:0/7.3::gentoo  USE="jemalloc ssl (-systemd) -tcmalloc -test" 3339 KiB

Total: 5 packages (5 new), Size of downloads: 4347 KiB