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

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

[ebuild  N     ] x11-libs/libpciaccess-0.19::gentoo  USE="zlib -static-libs" 64 KiB
[ebuild  N     ] sys-apps/radeontool-1.6.3_p20181127-r1::gentoo  143 KiB

Total: 2 packages (2 new), Size of downloads: 206 KiB