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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild     U  ] dev-libs/leancrypto-1.7.2-r3:0/1::gentoo [1.6.0-r3:0/1::gentoo] USE="asm* -test -tools -verify-sig" 42336 KiB

Total: 1 package (1 upgrade), Size of downloads: 42336 KiB