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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild     U  ] media-libs/lcms-2.19.1:2::gentoo [2.17:2::gentoo] USE="jpeg tiff -doc -static-libs -test" 5595 KiB

Total: 1 package (1 upgrade), Size of downloads: 5595 KiB