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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] app-arch/7zip-26.03::gentoo  USE="symlink -jwasm -rar -uasm" 3054 KiB

Total: 1 package (1 new), Size of downloads: 3054 KiB