[ANNOUNCE] GHC 8.2.2 release candidate 1

[Ben Gamari]

On October 1, 2017 9:29:16 PM EDT, Ryan Scott <ryan.gl.scott at gmail.com> wrote:
>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
>>
>>

Ahh, good catch. Perhaps we should revert in this case.

Cheers,

- Ben