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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] dev-db/mariadb-connector-c-3.3.15:0/3::gentoo  USE="curl ssl -gnutls -kerberos -static-libs -test" 1372 KiB

Total: 1 package (1 new), Size of downloads: 1372 KiB