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

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

[ebuild  N     ] net-libs/libslirp-4.9.3::gentoo  USE="-static-libs -valgrind" 131 KiB

Total: 1 package (1 new), Size of downloads: 131 KiB