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<h3>
Marge Bot pushed to branch wip/marge_bot_batch_merge_job
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/5da6c86f7b1304af3c314b3f9c0b007d6508c427">5da6c86f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T19:14:01Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bump unix submodule
Skips `executeFile001` test in `threaded2` way. Fixes #16814.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/14c238d4b794a20129d02db422bc3476d12e1010">14c238d4</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T20:12:27Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Disable optimisation when building Cabal lib for stage0
This disables optimisation when building Cabal for Hadrian and
stage0 `ghc-cabal`. Cabal is performance critical in neither case nor
will any performance difference here be visible to the end-user.
See #16817.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9126fcf182ff7392d318ff4ac8fedaf395bf1909">9126fcf1</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T20:12:27Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Disable optimisation when building Cabal in development flavours
This updates the make and Hadrian build flavours targetting developers
to disable optimisation when building the Cabal library. Cabal tends to
tickle some very bad compiler performance cases (e.g. #16577) so
disabling optimisation here makes a sizeable impact on overall build
time.
See #16817.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/066425ae5add67f57f66ff5b3c347303dff4df16">066425ae</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T20:12:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Introduce concurrent_ways set
Previously we just tested for the threaded2 when determining whether to
skip tests which are fragile under concurrent execution. However, this
isn't the only way which is concurrent.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/73cd9d3525ec23506b01878b71dd2ddfc77db1fb">73cd9d35</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T20:12:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Skip hDuplicateTo001 in concurrent ways
As noted in #16819, this operation is racy under concurrent execution.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/981885565fc4ad675986d0c7125433038b2d226c">98188556</a></strong>
<div>
<span>by Aiken Cairncross</span>
<i>at 2019-06-15T20:12:28Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix typo in error message
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/be30b83ca5de832577527931dcdc36929532beee">be30b83c</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-15T20:12:29Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add assertions that way lists are in fact lists
Previously there were a few cases where operations like `omit_ways`
were incorrectly passed a single way (e.g. `omit_ways('threaded2')`).
This won't work as the author expected.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/623a627eaa0be0ddfc355aa381b22a9785beb72a">623a627e</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2019-06-15T20:12:30Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Synchronize ClsInst.doTyConApp with TcTypeable validity checks (#15862)
Issue #15862 demonstrated examples of type constructors on which
`TcTypeable.tyConIsTypeable` would return `False`, but the `Typeable`
constraint solver in `ClsInst` (in particular, `doTyConApp`) would
try to generate `Typeable` evidence for anyway, resulting in
disaster. This incongruity was caused by the fact that `doTyConApp`
was using a weaker validity check than `tyConIsTypeable` to determine
if a type constructor warrants `Typeable` evidence or not. The
solution, perhaps unsurprisingly, is to use `tyConIsTypeable` in
`doTyConApp` instead.
To avoid import cycles between `ClsInst` and `TcTypeable`, I factored
out `tyConIsTypeable` into its own module, `TcTypeableValidity`.
Fixes #15862.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/e69b88b37c2c647f31c974c131f3913b37d3c7b3">e69b88b3</a></strong>
<div>
<span>by Krzysztof Gogolewski</span>
<i>at 2019-06-15T20:12:31Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove dead code
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<li class="file-stats">
<a href="#bd37d71fa68b0980d832d992b427fd6a6bdb891d">
compiler/deSugar/Check.hs
</a>
</li>
<li class="file-stats">
<a href="#0f33fd88c617246c7f89c4477d2d1d24f942df23">
compiler/ghc.cabal.in
</a>
</li>
<li class="file-stats">
<a href="#37f09a91c73d75c257137f9bb90903d0d455b258">
compiler/rename/RnSplice.hs
</a>
</li>
<li class="file-stats">
<a href="#50402e2a64c9aa60a1a76e237271322d2f6325dc">
compiler/simplCore/CoreMonad.hs
</a>
</li>
<li class="file-stats">
<a href="#ebb1ec79dce7edc8f7cb87a0b109b53cbc02105d">
compiler/typecheck/ClsInst.hs
</a>
</li>
<li class="file-stats">
<a href="#89165943f253c43100bca06548eba40ff0519ca5">
compiler/typecheck/TcEvidence.hs
</a>
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<li class="file-stats">
<a href="#fa5bd207fd28db668d069147fd989ad2ac810fd7">
compiler/typecheck/TcRnMonad.hs
</a>
</li>
<li class="file-stats">
<a href="#385f906219a06a4d607c6d990b0ea2a1fd047192">
compiler/typecheck/TcTypeable.hs
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<li class="file-stats">
<a href="#6aaa86ef6a550bdcf719c982026974b2841aded6">
<span class="new-file">
+
compiler/typecheck/TcTypeableValidity.hs
</span>
</a>
</li>
<li class="file-stats">
<a href="#817678516bffba07d7b732b6def1c26004862570">
compiler/utils/MonadUtils.hs
</a>
</li>
<li class="file-stats">
<a href="#5b653ef3b00262d0f1454de11e0714bd59d072e5">
hadrian/cabal.project
</a>
</li>
<li class="file-stats">
<a href="#6d5bb3f66af29932d469deefe0f4351faf14a304">
hadrian/src/Settings/Flavours/Development.hs
</a>
</li>
<li class="file-stats">
<a href="#30496c57b423afb3d9f73f8d95c833e904ee36d9">
libraries/base/tests/IO/all.T
</a>
</li>
<li class="file-stats">
<a href="#e367786014114f762e66eee7362d8408f6a9aa9b">
libraries/base/tests/Numeric/all.T
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<li class="file-stats">
<a href="#b817c80cbb15890d9a6df41e91d15d7442471f3c">
libraries/base/tests/all.T
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</li>
<li class="file-stats">
<a href="#c94f27a74551c6432f819bdfe482f1a46f1a1596">
libraries/unix
</a>
</li>
<li class="file-stats">
<a href="#eda903e01cf88e7ce73a341d5fc0bb4d12470b60">
mk/flavours/devel1.mk
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<li class="file-stats">
<a href="#617f322f762edbe7d7ca48ebfaea08450b81d6a9">
mk/flavours/devel2.mk
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<li class="file-stats">
<a href="#0eae710e53f295c3bfbcaebf4eb79ce2f0e54122">
mk/flavours/validate.mk
</a>
</li>
<li class="file-stats">
<a href="#0318d7198b933e41e458fd7073d9bd9dee267e7d">
testsuite/config/ghc
</a>
</li>
<li class="file-stats">
<a href="#c591f85f122007bac88228c5ff6fd76b40e6a811">
testsuite/driver/testlib.py
</a>
</li>
<li class="file-stats">
<a href="#6b1c188363067aa37c05e3a281dad45535511b14">
testsuite/tests/codeGen/should_compile/all.T
</a>
</li>
<li class="file-stats">
<a href="#40142624dc4857a702b52f173a35277f48e3a483">
testsuite/tests/concurrent/should_run/all.T
</a>
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<li class="file-stats">
<a href="#a4ff33ccde330caaa403f371defa5ddc5ad10c84">
testsuite/tests/dependent/should_compile/all.T
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<li class="file-stats">
<a href="#64bd5d9f522dad6c7bcfe51550b4609cb7ec4cd0">
testsuite/tests/numeric/should_run/all.T
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<li class="file-stats">
<a href="#98e52aadad6ed0677c8e810ba5f46030fd516bdd">
testsuite/tests/primops/should_run/all.T
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<li class="file-stats">
<a href="#0e190b45a5271f14e66197e36834ccbd1b299027">
testsuite/tests/quasiquotation/all.T
</a>
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<li class="file-stats">
<a href="#11d1d1370b58afc94ca7576ee1747cd67af0fe4d">
testsuite/tests/roles/should_compile/all.T
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<li class="file-stats">
<a href="#5ced844c5529162410276a1236ca9b8e7186490c">
testsuite/tests/rts/all.T
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</li>
<li class="file-stats">
<a href="#03e40b9006a3cfc01e112fe32513b15c8634f9bc">
testsuite/tests/simplCore/should_run/all.T
</a>
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</ul>
<h5>The diff was not included because it is too large.</h5>
</div>
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