Alberto,
> I've manage to reproduce the CK bug without any external dependencies and
> opened a ticket with an attached module that fails to compile with
> 8.2.1-rc2 (w/o explicit KindSignature) but compiles fine with 8.0.2.
Thanks for doing this!
> Will hopefully follow up soon with the Cabal
Thanks for RC2!
I built it for Fedora in my Copr repo:
https://copr.fedorainfracloud.org/coprs/petersen/ghc-8.2.1.
While I haven't tested it yet, I note that the builds take rather long:
https://copr.fedorainfracloud.org/coprs/petersen/ghc-8.2.1/build/555495/
A perf build with the testsuite
