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

Calculating dependencies ... done!
Dependency resolution took 1.61 s (backtrack: 0/20).

[ebuild     U  ] app-crypt/p11-kit-0.26.4::gentoo [0.26.2::gentoo] USE="libffi nls -gtk-doc (-systemd) -test -verify-sig" 1057 KiB

Total: 1 package (1 upgrade), Size of downloads: 1057 KiB