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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libsidplayfp-2.11.0:0/6::gentoo  USE="-static-libs -test" 795 KiB

Total: 1 package (1 new), Size of downloads: 795 KiB