FlexibleInstances Re: ANNOUNCE: GHC 7.2.1 Release Candidate 1

[Christian Maeder]

I've just found http://hackage.haskell.org/trac/ghc/ticket/5377
which explains it.

C.

Am 05.08.2011 12:56, schrieb Christian Maeder:
> Hi,
>
> I've noticed that with ghc-7.2 many modules with
> LANGUAGE TypeSynonymInstances
> now also require FlexibleInstances
>
> Two examples are in the HTTP package Network.TCP and
> Network.BufferType
>
> Was ghc-7.0 wrong about this, before?
>
> Cheers Christian
>
> Am 29.07.2011 20:21, schrieb Ian Lynagh:
>>
>> We are pleased to announce the first release candidate for GHC 7.2.1:
>>
>> http://www.haskell.org/ghc/dist/7.2.1-rc1/
>>
>> This includes the source and testsuite tarballs, installers for OS X and
>> Windows, and bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and
>> i386/FreeBSD.
>>
>> Please test as much as possible; bugs are much cheaper if we find them
>> before the release!
>>
>>
>> Thanks
>> Ian, on behalf of the GHC team