Re: [ANNOUNCE] GHC 9.8.1-alpha4 is now available

George Colpitts <[email protected]> Fri, 22 Sep 2023 20:22:14 -0300
Newsgroups gmane.comp.lang.haskell.cafe,gmane.comp.lang.haskell.glasgow.user,gmane.comp.lang.haskell.ghc.devel
Message-ID <CAB-d4A7PoxdhOEDthm7PQ1uA9b5D7S1BnAmbOLJ_Jnx2RBP-2w@mail.gmail.com>
--===============0743121832665192024==
Content-Type: multipart/alternative; boundary="00000000000023fde00605fae30e"

--00000000000023fde00605fae30e
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

It seems unlikely that the current tests wouldn't find this bug. Is it the
case that the tests are never run on aarch64-darwin Macs?

On Fri, Sep 22, 2023 at 7:34=E2=80=AFPM George Colpitts <george.colpitts@gm=
ail.com>
wrote:

>
>    -
>    #21570, Linker broken on M1 Mac, occurs on 9.8.1-alpha4. I have
>    updated the bug. My guess is that it was never addressed as the info n=
eeded
>    tag was never removed after the  required  info was supplied. It might=
 be
>    good to have a test for this.
>    <https://gitlab.haskell.org/ghc/ghc/-/issues/21570>
>    -
>    <https://gitlab.haskell.org/ghc/ghc/-/issues/21570>
>
>
> On Wed, Sep 20, 2023 at 1:54=E2=80=AFAM Ben Gamari <[email protected]> w=
rote:
>
>>
>> The GHC developers are very pleased to announce the availability of the
>> third alpha prerelease of GHC 9.8.1. Binary distributions, source
>> distributions, and documentation are available at
>>
>>             https://downloads.haskell.org/ghc/9.8.1-alpha4
>>
>> GHC 9.8 will bring a number of new features and improvements, including:
>>
>>  * Preliminary support the `TypeAbstractions` language extension,
>>    allowing types to be bound in type declarations [TypeAbstractions].
>>
>>  * Support for the `ExtendedLiterals` extension, providing syntax for
>>    non-word-sized numeric literals in the surface language
>>    [extended-literals]
>>
>>  * Improved rewrite rule matching behavior, allowing limited matching of
>>    higher-order patterns
>>
>>  * Better support for user-defined warnings by way of the `WARNING`
>>    pragma [warnings]
>>
>>  * The introduction of the new `GHC.TypeError.Unsatisfiable`
>>    constraint, allowing more predictable user-defined type errors
>>    [unsatisfiable]
>>
>>  * Implementation of the export deprecation proposal, allowing module
>>    exports to be marked with `DEPRECATE` pragmas [deprecated-exports]
>>
>>  * The addition of build semaphore support for parallel compilation;
>>    with coming support in `cabal-install` this will allow better use of
>>    parallelism in multi-package builds [jsem]
>>
>>  * More efficient representation of info table provenance information,
>>    reducing binary sizes by over 50% in some cases when
>>    `-finfo-table-map` is in use
>>
>> A full accounting of changes can be found in the [release notes].
>> This alpha includes roughly 40 new commits relative to alpha 3,
>> including what we believe should be nearly the last changes to GHC's
>> boot libraries.
>>
>> We would like to thank GitHub, IOG, the Zw3rk stake pool,
>> Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, the Haskell
>> Foundation, and other anonymous contributors whose on-going financial
>> and in-kind support has facilitated GHC maintenance and release
>> management over the years. Finally, this release would not have been
>> possible without the hundreds of open-source contributors whose work
>> comprise this release.
>>
>> As always, do give this release a try and open a [ticket] if you see
>> anything amiss.
>>
>> Happy compiling,
>>
>> ~ Ben
>>
>> [TypeAbstractions]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/042=
5-decl-invis-binders.rst
>> [extended-literals
>> <https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/04=
25-decl-invis-binders.rst%5Bextended-literals>]:
>>
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/045=
1-sized-literals.rst
>> [unsatisfiable]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/043=
3-unsatisfiable.rst
>> [warnings]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/054=
1-warning-pragmas-with-categories.rst
>> [deprecated-exports
>> <https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/05=
41-warning-pragmas-with-categories.rst%5Bdeprecated-exports>]:
>>
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/013=
4-deprecating-exports-proposal.rst
>> [jsem]:
>> https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/054=
0-jsem.rst
>> [release notes]:
>> https://downloads.haskell.org/ghc/9.8.1-alpha4/docs/users_guide/9.8.1-no=
tes.html
>> _______________________________________________
>> Haskell-Cafe mailing list
>> To (un)subscribe, modify options or view archives go to:
>> http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe
>> Only members subscribed via the mailman list are allowed to post.
>
>

--00000000000023fde00605fae30e
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:times ne=
w roman,serif;font-size:large">It seems unlikely that the current tests wou=
ldn&#39;t find this bug. Is it the case that the tests are never run on aar=
ch64-darwin Macs?</div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr=
" class=3D"gmail_attr">On Fri, Sep 22, 2023 at 7:34=E2=80=AFPM George Colpi=
tts &lt;<a href=3D"mailto:[email protected]">george.colpitts@gmail.=
com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"marg=
in:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1e=
x"><div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"=
font-family:&quot;times new roman&quot;,serif;font-size:large"><ul style=3D=
"box-sizing:border-box;font-variant-ligatures:none;margin-top:0px;margin-bo=
ttom:0px;padding-left:0px;list-style:none;display:flex;line-height:16px;col=
or:rgb(115,114,120);font-family:&quot;GitLab Sans&quot;,-apple-system,&quot=
;system-ui&quot;,&quot;Segoe UI&quot;,Roboto,&quot;Noto Sans&quot;,Ubuntu,C=
antarell,&quot;Helvetica Neue&quot;,sans-serif,&quot;Apple Color Emoji&quot=
;,&quot;Segoe UI Emoji&quot;,&quot;Segoe UI Symbol&quot;,&quot;Noto Color E=
moji&quot;;font-size:14px"><li style=3D"box-sizing:border-box;display:flex;=
min-width:0px;padding:2px 0px"><a href=3D"https://gitlab.haskell.org/ghc/gh=
c/-/issues/21570" style=3D"box-sizing:border-box;color:rgb(51,50,56);text-d=
ecoration-line:none;background-color:transparent;font-size:12px;overflow:hi=
dden;text-overflow:ellipsis;font-weight:600;line-height:16px" target=3D"_bl=
ank"><br>#21570,=C2=A0Linker broken on M1 Mac, occurs on=C2=A09.8.1-alpha4.=
 I have updated the bug. My guess is that it was never addressed as the inf=
o needed tag was never removed after the=C2=A0 required=C2=A0 info was supp=
lied. It might be good to have a test for this.</a></li><li style=3D"box-si=
zing:border-box;display:flex;min-width:0px;padding:2px 0px"><a href=3D"http=
s://gitlab.haskell.org/ghc/ghc/-/issues/21570" style=3D"box-sizing:border-b=
ox;color:rgb(51,50,56);text-decoration-line:none;background-color:transpare=
nt;font-size:12px;overflow:hidden;text-overflow:ellipsis;font-weight:600;li=
ne-height:16px" target=3D"_blank"><br></a></li></ul></div></div><br><div cl=
ass=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Sep 20, 2=
023 at 1:54=E2=80=AFAM Ben Gamari &lt;<a href=3D"mailto:[email protected]"=
 target=3D"_blank">[email protected]</a>&gt; wrote:<br></div><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px soli=
d rgb(204,204,204);padding-left:1ex"><br>
The GHC developers are very pleased to announce the availability of the<br>
third alpha prerelease of GHC 9.8.1. Binary distributions, source<br>
distributions, and documentation are available at<br>
<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"https://downloads.hask=
ell.org/ghc/9.8.1-alpha4" rel=3D"noreferrer" target=3D"_blank">https://down=
loads.haskell.org/ghc/9.8.1-alpha4</a><br>
<br>
GHC 9.8 will bring a number of new features and improvements, including:<br=
>
<br>
=C2=A0* Preliminary support the `TypeAbstractions` language extension,<br>
=C2=A0 =C2=A0allowing types to be bound in type declarations [TypeAbstracti=
ons].<br>
<br>
=C2=A0* Support for the `ExtendedLiterals` extension, providing syntax for<=
br>
=C2=A0 =C2=A0non-word-sized numeric literals in the surface language<br>
=C2=A0 =C2=A0[extended-literals]<br>
<br>
=C2=A0* Improved rewrite rule matching behavior, allowing limited matching =
of<br>
=C2=A0 =C2=A0higher-order patterns<br>
<br>
=C2=A0* Better support for user-defined warnings by way of the `WARNING`<br=
>
=C2=A0 =C2=A0pragma [warnings]<br>
<br>
=C2=A0* The introduction of the new `GHC.TypeError.Unsatisfiable`<br>
=C2=A0 =C2=A0constraint, allowing more predictable user-defined type errors=
<br>
=C2=A0 =C2=A0[unsatisfiable]<br>
<br>
=C2=A0* Implementation of the export deprecation proposal, allowing module<=
br>
=C2=A0 =C2=A0exports to be marked with `DEPRECATE` pragmas [deprecated-expo=
rts]<br>
<br>
=C2=A0* The addition of build semaphore support for parallel compilation;<b=
r>
=C2=A0 =C2=A0with coming support in `cabal-install` this will allow better =
use of<br>
=C2=A0 =C2=A0parallelism in multi-package builds [jsem]<br>
<br>
=C2=A0* More efficient representation of info table provenance information,=
<br>
=C2=A0 =C2=A0reducing binary sizes by over 50% in some cases when<br>
=C2=A0 =C2=A0`-finfo-table-map` is in use<br>
<br>
A full accounting of changes can be found in the [release notes].<br>
This alpha includes roughly 40 new commits relative to alpha 3,<br>
including what we believe should be nearly the last changes to GHC&#39;s<br=
>
boot libraries.<br>
<br>
We would like to thank GitHub, IOG, the Zw3rk stake pool,<br>
Well-Typed, Tweag I/O, Serokell, Equinix, SimSpace, the Haskell<br>
Foundation, and other anonymous contributors whose on-going financial<br>
and in-kind support has facilitated GHC maintenance and release<br>
management over the years. Finally, this release would not have been<br>
possible without the hundreds of open-source contributors whose work<br>
comprise this release.<br>
<br>
As always, do give this release a try and open a [ticket] if you see<br>
anything amiss.<br>
<br>
Happy compiling,<br>
<br>
~ Ben<br>
<br>
[TypeAbstractions]: <a href=3D"https://github.com/ghc-proposals/ghc-proposa=
ls/blob/master/proposals/0425-decl-invis-binders.rst%5Bextended-literals" r=
el=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/ghc-pr=
oposals/blob/master/proposals/0425-decl-invis-binders.rst<br>
[extended-literals</a>]: <a href=3D"https://github.com/ghc-proposals/ghc-pr=
oposals/blob/master/proposals/0451-sized-literals.rst" rel=3D"noreferrer" t=
arget=3D"_blank">https://github.com/ghc-proposals/ghc-proposals/blob/master=
/proposals/0451-sized-literals.rst</a><br>
[unsatisfiable]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/=
blob/master/proposals/0433-unsatisfiable.rst" rel=3D"noreferrer" target=3D"=
_blank">https://github.com/ghc-proposals/ghc-proposals/blob/master/proposal=
s/0433-unsatisfiable.rst</a><br>
[warnings]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/blob/=
master/proposals/0541-warning-pragmas-with-categories.rst%5Bdeprecated-expo=
rts" rel=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/=
ghc-proposals/blob/master/proposals/0541-warning-pragmas-with-categories.rs=
t<br>
[deprecated-exports</a>]: <a href=3D"https://github.com/ghc-proposals/ghc-p=
roposals/blob/master/proposals/0134-deprecating-exports-proposal.rst" rel=
=3D"noreferrer" target=3D"_blank">https://github.com/ghc-proposals/ghc-prop=
osals/blob/master/proposals/0134-deprecating-exports-proposal.rst</a><br>
[jsem]: <a href=3D"https://github.com/ghc-proposals/ghc-proposals/blob/mast=
er/proposals/0540-jsem.rst" rel=3D"noreferrer" target=3D"_blank">https://gi=
thub.com/ghc-proposals/ghc-proposals/blob/master/proposals/0540-jsem.rst</a=
><br>
[release notes]: <a href=3D"https://downloads.haskell.org/ghc/9.8.1-alpha4/=
docs/users_guide/9.8.1-notes.html" rel=3D"noreferrer" target=3D"_blank">htt=
ps://downloads.haskell.org/ghc/9.8.1-alpha4/docs/users_guide/9.8.1-notes.ht=
ml</a><br>
_______________________________________________<br>
Haskell-Cafe mailing list<br>
To (un)subscribe, modify options or view archives go to:<br>
<a href=3D"http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe" r=
el=3D"noreferrer" target=3D"_blank">http://mail.haskell.org/cgi-bin/mailman=
/listinfo/haskell-cafe</a><br>
Only members subscribed via the mailman list are allowed to post.</blockquo=
te></div></div>
</blockquote></div>

--00000000000023fde00605fae30e--

--===============0743121832665192024==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSGFza2VsbC1D
YWZlIG1haWxpbmcgbGlzdApUbyAodW4pc3Vic2NyaWJlLCBtb2RpZnkgb3B0aW9ucyBvciB2aWV3
IGFyY2hpdmVzIGdvIHRvOgpodHRwOi8vbWFpbC5oYXNrZWxsLm9yZy9jZ2ktYmluL21haWxtYW4v
bGlzdGluZm8vaGFza2VsbC1jYWZlCk9ubHkgbWVtYmVycyBzdWJzY3JpYmVkIHZpYSB0aGUgbWFp
bG1hbiBsaXN0IGFyZSBhbGxvd2VkIHRvIHBvc3Qu

--===============0743121832665192024==--