[ANNOUNCE] GHC 8.2.2 release candidate 1

[Ryan Scott]

I would have guessed that it's actually due to #11963 [1], and
consequently, this [2] backported patch.

Ryan S.
-----
[1] https://ghc.haskell.org/trac/ghc/ticket/11963
[2]
http://git.haskell.org/ghc.git/commit/18dee8912f6afdcf13073d3d95d85513c14180e3

On Oct 1, 2017 21:19, "Ben Gamari" <ben at smart-cactus.org> wrote:

> Ryan Scott <ryan.gl.scott at gmail.com> writes:
>
> > I did a smoke test of Stackage Nightly's libraries [1] this afternoon
> using
> > GHC 8.2.2. Only two libraries failed to build: extensible-0.4.5 and
> > protolude-0.2, due to a change where type signatures like `foo :: forall
> k.
> > forall (a :: k). ...` no longer compile without enabling TypeInType.
> >
> > I only mention this because the migration guide for 8.4 [2] currently
> gives
> > the impression that this TypeInType change won't land until GHC 8.4. This
> > doesn't appear to be case, though!
> >
> It sounds like you are describing #13391. If this is the case then I'm
> rather confused since I didn't merge the associated patch. Something
> else must be going on here. Perhaps some other patch made the checks a
> bit more strict inadvertently?
>
> Cheers,
>
> - Ben
>
>
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