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

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] app-admin/testdisk-7.2-r1::gentoo  USE="jpeg sudo zlib -gui -ntfs -reiserfs -static" 836 KiB

Total: 1 package (1 new), Size of downloads: 836 KiB