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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild   R    ] dev-libs/npth-1.8::gentoo  USE="-test -verify-sig" 311 KiB

Total: 1 package (1 reinstall), Size of downloads: 311 KiB