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

Calculating dependencies ... done!
Dependency resolution took 1.09 s (backtrack: 0/20).

[ebuild  N     ] app-crypt/argon2-20190702-r1:0/1::gentoo  USE="-static-libs" 1471 KiB
[ebuild  N     ] net-libs/libssh-0.12.2:0/4::gentoo  USE="sftp zlib -debug -examples -fido2 -gssapi -mbedtls -pcap -server -static-libs -test -verify-sig" 742 KiB
[ebuild  N     ] sys-fs/lvm2-2.03.39::gentoo  USE="readline udev -lvm -nvme -sanlock (-selinux) -static -static-libs (-systemd) -test -thin -valgrind -vdo -xfs" 2811 KiB
[ebuild  N     ] sys-fs/cryptsetup-2.8.6-r1:0/12::gentoo  USE="argon2 nls openssl ssh udev -fips -gcrypt -kernel -nettle -passwdqc -pwquality -static -static-libs -test -urandom -verify-sig" 11610 KiB

Total: 4 packages (4 new), Size of downloads: 16632 KiB