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

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

[ebuild   R    ] app-vim/gentoo-syntax-16::gentoo  USE="-ignore-glep31" 21 KiB

Total: 1 package (1 reinstall), Size of downloads: 21 KiB