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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild   R    ] dev-libs/libsodium-1.0.21_p20260122:0/26::gentoo  USE="asm urandom -static-libs -verify-sig" CPU_FLAGS_X86="aes sse4_1" 2002 KiB

Total: 1 package (1 reinstall), Size of downloads: 2002 KiB