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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] dev-lang/yasm-1.3.0-r2::gentoo  USE="nls" 1458 KiB
[ebuild  N     ] media-libs/avidemux-core-2.8.1_p20251019:2.7::gentoo  USE="nls -debug -nvenc -vaapi -vdpau -xv" 24493 KiB

Total: 2 packages (2 new), Size of downloads: 25950 KiB