Hello Ricardo,

Ricardo Wurmus <rekado@elephly.net> writes:

> thanks for the extra information.

Thank you for picking that up.

> I find it very puzzling that I cannot reproduce these build failures on
> my machine.
>
> I have just rebuilt ghc-resourcet with a modified ghc-mtl, which I
> suspect is the source of the problem, because it pulls in a newer
> version of ghc-transformers.  I’m going to push this to core-updates and
> master in a moment.

This fixes the issue for me, thanks!

Oleg.