Is it OK to stabilize =dev-haskell/gnuidn-0.2.1 ? If so, please CC all arches which have stable keywords for older versions of this package.
Arches, please go ahead. There's a short test case at, https://wiki.gentoo.org/wiki/Project:Haskell/Test_plans#dev-haskell.2Fgnuidn that you can use to test.
amd64 stable
x86 stable. Closing.