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

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

[ebuild  N     ] sys-fs/dd-rescue-1.99.20::gentoo  USE="xattr -lzma -lzo -static -test" CPU_FLAGS_X86="avx2 sse4_2" 204 KiB

Total: 1 package (1 new), Size of downloads: 204 KiB