On Wed, Mar 7, 2018 at 8:10 AM, Phyx wrote:
> In my experience to get a 32 bit build you need to
> install the full 32bit msys2. Not just the 32bit compiler in the 64 bit
> msys2 (two installs can co-exist).
That's also my experience on appveyor (but I'm not compiling GHC itself):
https://github
Kazu Yamamoto (山本和彦) writes:
> Hello Ben,
>
Hi Kazu,
>> As always, do let us know if you encounter any trouble in the course of
>> testing. Thanks for your help!
>
> I tried GHC 8.4.1rc1 to understand how SemigroupMonoid and MonadFail
> proposals work.
>
> GHC 8.4.1rc1 surely detects Monoid data
Hi Ben,
> What you are seeing isn't a warning, it's an error.
> 8.4.1 throws errors for Monoids missing Semigroup instances not because
> of -Wsemigroup but rather because Semigroup is now a superclass of
> Monoid.
>
> -Wsemigroup will likely be deprecated in a future release now since
> we've re