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-1.0.1:0/12::gentoo [1.0.1-r1:0/12::gentoo] USE="epoll eventfd ssl thread-names -debug -static-libs -test (-verify-sig%)" 2188 KiB

Total: 1 package (1 downgrade), Size of downloads: 2188 KiB