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

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

[ebuild     UD ] net-libs/libmicrohttpd-0.9.77-r1:0/12::gentoo [1.0.1-r1:0/12::gentoo] USE="epoll eventfd ssl thread-names -static-libs -test -verify-sig (-debug%)" 1853 KiB

Total: 1 package (1 downgrade), Size of downloads: 1853 KiB