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<h3>
Vladislav Zavialov pushed to branch wip/parsing-shift
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2d635a50b81732b2512b68c652aee36f489b5969">2d635a50</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-26T04:50:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">linters: Make CPP linter skip image files
This patch adds an exclusion rule for `docs/users_guide/images`,
to avoid lint errors of PDF files.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b7d98cb2606997e05ad6406929dae3aba746fbb9">b7d98cb2</a></strong>
<div>
<span>by Takenobu Tani</span>
<i>at 2020-08-26T04:50:21-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users-guide: Color the logo on the front page of the PDF
This patch updates the logo with a recent color scheme.
This affects only the PDF version of the user's guide.
See also:
* https://mail.haskell.org/pipermail/ghc-devs/2020-August/019139.html
* https://gitlab.haskell.org/ghc/ghc/-/wikis/logo
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0b17fa185aec793861364afd9a05aa4219fbc019">0b17fa18</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-26T04:50:58-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Refactor UnitId pretty-printing
When we pretty-print a UnitId for the user, we try to map it back to its
origin package name, version and component to print
"package-version:component" instead of some hash.
The UnitId type doesn't carry these information, so we have to look into
a UnitState to find them. This is why the Outputable instance of
UnitId used `sdocWithDynFlags` in order to access the `unitState` field
of DynFlags.
This is wrong for several reasons:
1. The DynFlags are accessed when the message is printed, not when it is
generated. So we could imagine that the unitState may have changed
in-between. Especially if we want to allow unit unloading.
2. We want GHC to support several independent sessions at once, hence
several UnitState. The current approach supposes there is a unique
UnitState as a UnitId doesn't indicate which UnitState to use.
See the Note [Pretty-printing UnitId] in GHC.Unit for the new approach
implemented by this patch.
One step closer to remove `sdocDynFlags` field from `SDocContext`
(#10143).
Fix #18124.
Also fix some Backpack code to use SDoc instead of String.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dc476a5040cdc64c177de0f78edaafec0972cff4">dc476a50</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-26T04:51:35-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: fix BigNat subtraction (#18604)
There was a confusion between the boolean expected by
withNewWordArrayTrimedMaybe and the boolean returned by subtracting
functions.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fcb10b6c69e388d8c6e777baf39920e2cc694501">fcb10b6c</a></strong>
<div>
<span>by Peter Trommler</span>
<i>at 2020-08-26T10:42:30-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PPC and X86: Portable printing of IEEE floats
GNU as and the AIX assembler support floating point literals.
SPARC seems to have support too but I cannot test on SPARC.
Curiously, `doubleToBytes` is also used in the LLVM backend.
To avoid endianness issues when cross-compiling float and double literals
are printed as C-style floating point values. The assembler then takes
care of memory layout and endianness.
This was brought up in #18431 by @hsyl20.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/770100e0266750a313b34a52a60968410fcf0769">770100e0</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2020-08-26T10:43:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">primops: Remove Monadic and Dyadic categories
There were four categories of primops: Monadic, Dyadic, Compare, GenPrimOp.
The compiler does not treat Monadic and Dyadic in any special way,
we can just replace them with GenPrimOp.
Compare is still used in isComparisonPrimOp.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/86ac4dbff79443509c2acfdefd59d562c48335e7">86ac4dbf</a></strong>
<div>
<span>by Vladislav Zavialov</span>
<i>at 2020-08-26T21:20:02+03:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Require happy >=1.20
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b657eb9d6b67d36ff7e185c8782ffd9bfef13409">b657eb9d</a></strong>
<div>
<span>by Vladislav Zavialov</span>
<i>at 2020-08-28T00:48:34+03:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Resolve shift/reduce conflicts with %shift (#17232)
</pre>
</li>
</ul>
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.gitlab-ci.yml
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compiler/GHC.hs
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