GHC 7.2.2 RC 1

[Ian Lynagh]

We are pleased to announce the first release candidate for GHC 7.2.2:

    http://www.haskell.org/ghc/dist/7.2.2-rc1/

This includes the source tarball, installers for OS X and Windows, and
bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and i386/FreeBSD.

7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
worked around. Please let us know if you find any showstoppers.


Thanks
Ian, on behalf of the GHC team


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[Chris Dornan]

It's looking good but base is still untrusted out of the box. Is this right?

Chris

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Ian Lynagh
Sent: 06 November 2011 13:19
To: [hidden email]
Subject: GHC 7.2.2 RC 1


We are pleased to announce the first release candidate for GHC 7.2.2:

    http://www.haskell.org/ghc/dist/7.2.2-rc1/

This includes the source tarball, installers for OS X and Windows, and
bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and i386/FreeBSD.

7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
worked around. Please let us know if you find any showstoppers.


Thanks
Ian, on behalf of the GHC team


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[Kyra]

On 11/6/2011 5:18 PM, Ian Lynagh wrote:
> 7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
> worked around. Please let us know if you find any showstoppers.
>
#5531 is still there and no workarounds are known. Also, it's specific
for post 7.0.Xs.  Not sure if this counts as showstopper, though.

Cheers, Kyra


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[Simon Marlow-7]

I think we should apply the minimal change to make all packages trusted
by default in 7.2.2.  Any objections?

Cheers,
        Simon

On 06/11/2011 16:36, Chris Dornan wrote:

> It's looking good but base is still untrusted out of the box. Is this right?
>
> Chris
>
> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of Ian Lynagh
> Sent: 06 November 2011 13:19
> To: [hidden email]
> Subject: GHC 7.2.2 RC 1
>
>
> We are pleased to announce the first release candidate for GHC 7.2.2:
>
>      http://www.haskell.org/ghc/dist/7.2.2-rc1/
>
> This includes the source tarball, installers for OS X and Windows, and
> bindists for amd64/Linux, i386/Linux, amd64/FreeBSD and i386/FreeBSD.
>
> 7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
> worked around. Please let us know if you find any showstoppers.
>
>
> Thanks
> Ian, on behalf of the GHC team
>
>
> _______________________________________________
> Glasgow-haskell-users mailing list
> [hidden email]
> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
>
>
> _______________________________________________
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> [hidden email]
> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users

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[Chris Dornan]

Y'all have probably seen this, but I have opened #5607 saying a bit more.

        http://hackage.haskell.org/trac/ghc/ticket/5607

Chris

-----Original Message-----
From: Simon Marlow [mailto:[hidden email]]
Sent: 07 November 2011 16:45
To: Chris Dornan
Cc: 'Ian Lynagh'; [hidden email]; David Terei
Subject: Re: GHC 7.2.2 RC 1

I think we should apply the minimal change to make all packages trusted by
default in 7.2.2.  Any objections?

Cheers,
        Simon

On 06/11/2011 16:36, Chris Dornan wrote:
> It's looking good but base is still untrusted out of the box. Is this
right?
>
> Chris



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[David Terei]

On 7 November 2011 08:44, Simon Marlow <[hidden email]> wrote:
> I think we should apply the minimal change to make all packages trusted by
> default in 7.2.2.  Any objections?

Agreed.

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[Ian Lynagh]

On Mon, Nov 07, 2011 at 01:25:11AM +0400, Kyra wrote:
> On 11/6/2011 5:18 PM, Ian Lynagh wrote:
> >7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
> >worked around. Please let us know if you find any showstoppers.
> >
> #5531 is still there and no workarounds are known. Also, it's
> specific for post 7.0.Xs.  Not sure if this counts as showstopper,
> though.

We don't have a fix for that yet, so it's very unlikely it'll be fixed
in 7.2.2 (which will be released very soon). But we still have ambitions
to release 7.4.1 later this year!


Thanks
Ian


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[Jens Petersen]

> We are pleased to announce the first release candidate for GHC 7.2.2:
>    http://www.haskell.org/ghc/dist/7.2.2-rc1/

Thanks, I did a test build for Fedora 17 Development.

If you wish to test it on Fedora you can get
the srpm or binary packages from:
http://kojipkgs.fedoraproject.org/scratch/petersen/task_3496432/
(note that F17 is now on a newer major version of gmp
than F16 and earlier, so the binary packages won't install
directly on current releases.)

I am planning to update Fedora 17 Rawhide from 7.0.4 to 7.2.2
when it is released.

Jens

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[Nathan Howell-2]

Any chance #5421 (<<loop>> in withMVar (reproducible, but with large test case) could be backported to 7.2.2?

-n

On Sun, Nov 6, 2011 at 5:18 AM, Ian Lynagh <[hidden email]> wrote:

7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
worked around. Please let us know if you find any showstoppers.

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[Simon Marlow-7]

Sorry, no.  That one has a workaround: define your own fixIO:

fixIO :: (a -> IO a) -> IO a
fixIO k = do
     m <- newEmptyMVar
     ans <- unsafeInterleaveIO (takeMVar m)
     result <- k ans
     putMVar m result
     return result

Cheers,
        Simon

On 11/11/2011 06:16, Nathan Howell wrote:

> Any chance #5421 (<<loop>> in withMVar (reproducible, but with large
> test case) could be backported to 7.2.2?
>
> -n
>
> On Sun, Nov 6, 2011 at 5:18 AM, Ian Lynagh <[hidden email]
> <mailto:[hidden email]>> wrote:
>
>     7.2.2 will be a minimal bugfix release, fixing only bugs that cannot be
>     worked around. Please let us know if you find any showstoppers.
>
>
>
> _______________________________________________
> Glasgow-haskell-users mailing list
> [hidden email]
> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users

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[Nathan Howell-2]

We're hitting something that looks similar with a Chan on 7.2.1, though they might be related..

On Fri, Nov 11, 2011 at 4:52 AM, Simon Marlow <[hidden email]> wrote:

Sorry, no.  That one has a workaround: define your own fixIO:

fixIO :: (a -> IO a) -> IO a
fixIO k = do
   m <- newEmptyMVar
   ans <- unsafeInterleaveIO (takeMVar m)
   result <- k ans
   putMVar m result
   return result

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[Leon Smith-2]

Chans are basically linked lists with the next pointer wrapped in an
MVar.   The source is actually very readable.   So yes,  it probably
is the same thing.

Best,
Leon

On Fri, Nov 11, 2011 at 11:37 AM, Nathan Howell
<[hidden email]> wrote:

> We're hitting something that looks similar with a Chan on 7.2.1, though they
> might be related..
>
> On Fri, Nov 11, 2011 at 4:52 AM, Simon Marlow <[hidden email]> wrote:
>>
>> Sorry, no.  That one has a workaround: define your own fixIO:
>>
>> fixIO :: (a -> IO a) -> IO a
>> fixIO k = do
>>    m <- newEmptyMVar
>>    ans <- unsafeInterleaveIO (takeMVar m)
>>    result <- k ans
>>    putMVar m result
>>    return result
>
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>

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