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<h3 style="margin-top: 20px; margin-bottom: 10px;">
Simon Peyton Jones pushed to branch wip/T21623
at <a href="https://gitlab.haskell.org/ghc/ghc" style="color: #1068bf;">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4 style="margin-top: 10px; margin-bottom: 10px;">
Commits:
</h4>
<ul>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/646d15ad8f1119f339998ee8dd79ea96cfd1d165" style="color: #1068bf;">646d15ad</a></strong>
<div>
<span>by Eric Lindblad</span>
<i>at 2022-09-14T03:13:56-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Fix typos

This fixes various typos and spelling mistakes
in the compiler.

Fixes #21891
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7d7e71b03f4b2eb693f5ea69dadbccf491e7403f" style="color: #1068bf;">7d7e71b0</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2022-09-14T03:14:32-04:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>hadrian: Bump index state

This bumps the index state so a build plan can also be found when
booting with 9.4.

Fixes #22165
</pre>
</li>
<li>
<strong style="font-weight: bold;"><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/770f2de936af9e5807af7bc2cc266a004a59de7f" style="color: #1068bf;">770f2de9</a></strong>
<div>
<span>by Simon Peyton Jones</span>
<i>at 2022-09-14T08:27:51+01:00</i>
</div>
<pre class="commit-message" style='white-space: pre-wrap; display: block; font-size: 0.8125rem; color: #303030; position: relative; font-family: "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; word-break: break-all; word-wrap: break-word; background-color: #fafafa; border-radius: 2px; margin: 0; padding: 8px 12px; border: 1px solid #dbdbdb;'>Start work

Not ready for review

More progress

Wibbles

Stage1 compiles

More wibbles

More wibbles

More -- almost working

Comments

Wibbles

Wibbles

Wibble inlineId

Wibbles

Infinite loop somewhere

More wibbles.  Maybe can build stage2

Make FuNCo a thing by itself

Wibble

Wibble

Wibbles

Fix OptCoercion

Wibble

Wibble to optCoercion

Replace SORT with TYPE and CONSTRAINT

Wibble

Delete unused import

Delete TypeOrConstraint from ghc-prim:GHC.Types

Move from NthCo to SelCo

Wibbles

Wibbles in RepType

Wibble

Add mkWpEta

Really add mkWpEta

Wibble Typeable binds etc

Improve error messages

More wibbles, mainly to error messages

Wibbles

Wibbles to errors

Wibbles

But especially: treat Constraint as Typeable

More wibbles

More changes

* Move role into SelTyCon
* Get rid of mkTcSymCo and friends

Unused variable

Wibbles

Wibble

Accept error message changes

Refactoring...

Remove tc functions like tcKind, tcGetTyVar.

Move tyConsOfType, occCheckExpand to TyCo.FVs.

Introduce GHC.Core.TyCo.Compare

Lots of import changes!

Update haddock submodule (I hope)

Wibbles (notably: actually add GHC.Core.TyCo.Compare)

Wibbles

Wibble output of T16575

Wibbles

More wibbles

Remove infinite loop in T1946

See Note [ForAllTy and type equality]

Deal with rejigConRes

Needs a Note to be written by Richard

Some renaming

AnonArgFlag -->  FunTyFlag
ArgFlag     -->  ForAllTyFlag

Update haddock submodule

Rename TyCoBinder to ForAllTyBinder

Wibbles

Update haddock

Wibble

Update unix submodule

I think I accidentally got it out of sync with HEAD;
this puts it back.

Rename TyCoBinder to PiTyBinder

Update Haddock submodule

Wrap dictionaries in tuples

This fixes the kind bugs in arrow desugaring.  Needs some Notes,
but I want to try CI.

More on boxing data cons

Rebase and update GHC.Tc.Errors/GHC.Tc.Errors.Ppr
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