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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild   R    ] media-libs/jbig2dec-0.20:0/0.20::gentoo  USE="png -static-libs -test" 147 KiB

Total: 1 package (1 reinstall), Size of downloads: 147 KiB