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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libaio-0.3.113_p8::gentoo  USE="-static-libs -test" 74 KiB
[ebuild  N     ] sys-apps/sg3_utils-1.48:0/1.48::gentoo  USE="-static-libs" 1183 KiB
[ebuild  N     ] dev-perl/Config-General-2.670.0::gentoo  USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 64 KiB
[ebuild  N     ] sys-block/tgt-1.0.92::gentoo  USE="-infiniband -rbd (-selinux)" 299 KiB

Total: 4 packages (4 new), Size of downloads: 1619 KiB