On Mon, Nov 14, 2016 at 01:34:05PM -0200, Breno Leitao wrote: > reassign ghc > > After some further debug, I found this is, in fact, a ghc bug and it was > fixed in version 8.0.2, as showed in: > > https://ghc.haskell.org/trac/ghc/ticket/12621 Great!