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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/0462b0e02d8759983484eb09d0ba1be134ec592e">0462b0e0</a></strong>
<div>
<span>by Alexandre Baldé</span>
<i>at 2019-06-09T15:48:34Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Explain that 'mappend' and '(<>)' should be the same [skip ci]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/970e480230bc8422d9bd9a6f1011def86befc34a">970e4802</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2019-06-09T15:49:09Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: Properly partition options in sourceArgs
Previously if you build the `ghc` package then it would has the default
opts and the library opts. This is different behaviour to make where the
library opts are only reserved for things in the `libraries`
subdirectory (I believe)
Fixes #16716
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a018c3a84c88f6208e7bd5587af1cdf40c2ae991">a018c3a8</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-09T15:49:44Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Suppress ticks in T4918 output
As noted in #16741, this test otherwise breaks when `base` is compiled
with `-g`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/3ad26224979f16b336282af8be72e32efb2a17c5">3ad26224</a></strong>
<div>
<span>by chessai</span>
<i>at 2019-06-09T16:20:35Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Introduce log1p and expm1 primops
Previously log and exp were primitives yet log1p and expm1 were FFI
calls. Fix this non-uniformity.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/065defc3a84c0c825c4d975e5783f1266b905720">065defc3</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-09T16:20:35Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add test for #16514
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7edef8e2b56530d831e93c42ef869b14217962d9">7edef8e2</a></strong>
<div>
<span>by Simon Jakobi</span>
<i>at 2019-06-09T16:20:37Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Small refactorings in ExtractDocs
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/a7b989854d839e507f2bb24a6055e30b24cfee1f">a7b98985</a></strong>
<div>
<span>by Kevin Buhr</span>
<i>at 2019-06-09T16:20:38Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Handle trailing path separator in package DB names (#16360)
Package DB directories with trailing separator (provided via
GHC_PACKAGE_PATH or via -package-db) resulted in incorrect calculation of
${pkgroot} substitution variable. Keep the trailing separator while
resolving as directory or file, but remove it before dropping the last
path component with takeDirectory.
Closes #16360.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7bd36cb882d3a5299a97579063eeda8c67687a58">7bd36cb8</a></strong>
<div>
<span>by Richard Eisenberg</span>
<i>at 2019-06-09T16:20:40Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Fix #16517 by bumping the TcLevel for method sigs
There were actually two bugs fixed here:
1. candidateQTyVarsOfType needs to be careful that it does not
try to zap metavariables from an outer scope as "naughty"
quantification candidates. This commit adds a simple check
to avoid doing so.
2. We weren't bumping the TcLevel in kcHsKindSig, which was used
only for class method sigs. This mistake led to the acceptance
of
class C a where
meth :: forall k. Proxy (a :: k) -> ()
Note that k is *locally* quantified. This patch fixes the
problem by using tcClassSigType, which correctly bumps the
level. It's a bit inefficient because tcClassSigType does other
work, too, but it would be tedious to repeat much of the code
there with only a few changes. This version works well and is
simple.
And, while updating comments, etc., I noticed that tcRnType was
missing a pushTcLevel, leading to #16767, which this patch also
fixes, by bumping the level. In the refactoring here, I also
use solveEqualities. This initially failed ghci/scripts/T15415,
but that was fixed by teaching solveEqualities to respect
-XPartialTypeSignatures.
This patch also cleans up some Notes around error generation that
came up in conversation.
Test case: typecheck/should_fail/T16517, ghci/scripts/T16767
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/787fd0058ff3ed10939887ed037b9d27514361d4">787fd005</a></strong>
<div>
<span>by Roland Senn</span>
<i>at 2019-06-09T16:20:42Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add disable/enable commands to ghci debugger #2215
This patch adds two new commands `:enable` and `:disable` to the GHCi debugger.
Opposite to `:set stop <n> :continue` a breakpoint disabled with `:disable` will
not loose its previously set stop command.
A new field breakEnabled is added to the BreakLocation data structure to
track the enable/disable state. When a breakpoint is disabled with a `:disable`
command, the following happens:
The corresponding BreakLocation data element is searched dictionary of the
`breaks` field of the GHCiStateMonad. If the break point is found and not
already in the disabled state, the breakpoint is removed from bytecode.
The BreakLocation data structure is kept in the breaks list and the new
breakEnabled field is set to false.
The `:enable` command works similar.
The breaks field in the GHCiStateMonad was changed from an association list
to int `IntMap`.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/51b98db7846b84704502fd74dac3731ea740690e">51b98db7</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-09T16:20:42Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Separate population of eventTypes from initial event generation
Previously these two orthogonal concerns were both implemented in
postHeaderEvents which made it difficult to send header events after RTS
initialization.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9d7111208de0dd32d989e9915e091ac1cb1c5fe2">9d711120</a></strong>
<div>
<span>by nineonine</span>
<i>at 2019-06-09T16:20:44Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Do not report error if Name in pragma is unbound
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/9ecf320f2efb6a32d617cdcedd8dce490c597cdf">9ecf320f</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-09T16:20:44Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add test for #16509
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/7389d40f90e4ef0dcab30aab15df763cdc2bb54f">7389d40f</a></strong>
<div>
<span>by David Eichmann</span>
<i>at 2019-06-09T16:20:46Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: need CPP preprocessor dependencies #16660
Use the new -include-cpp-deps ghc option (#16521)
when generating .dependencies files in hadrian.
This is version gated as -include-cpp-deps is a
relatively new option.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/63189a18016dc502fd67454e1619d2fcce6b71a3">63189a18</a></strong>
<div>
<span>by Richard Eisenberg</span>
<i>at 2019-06-09T16:20:48Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Comments only: document tcdDataCusk better.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/2fe929b208bf1656159116d3499adf4087f2be93">2fe929b2</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2019-06-09T16:20:49Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove CPP ensuring word size is 32 or 64 bits around Addr# <-> int# primops
It shouldn't be needed these days, and those primops are "highly
deprecated" anyways.
This fits with my plans because it removes one bit of target-dependence
of the builtin primops, and this is the hardest part of GHC to make
multi-target.
CC @carter
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/c7c095075e1396941c6a1d19318469fcd49661a4">c7c09507</a></strong>
<div>
<span>by Daniel Gröber</span>
<i>at 2019-06-09T16:20:51Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Fix RetainerProfile early return with TREC_CHUNK
When pop() returns with `*c == NULL` retainerProfile will immediately
return. All other code paths is pop() continue with the next stackElement
when this happens so it seems weird to me that TREC_CHUNK we would suddenly
abort everything even though the stack might still have elements left to
process.
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<a href="#6baddca1d1d357c81c329f9a5877a1772b0086e9">
compiler/cmm/CmmMachOp.hs
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<li class="file-stats">
<a href="#61470c7221010080ec380a45874259d0ed73da4a">
compiler/cmm/PprC.hs
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<a href="#731b07c16b2f4bb31dd7defa4ceef54e74473cc7">
compiler/codeGen/StgCmmPrim.hs
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<li class="file-stats">
<a href="#828fc123b45440f198ae1a73afbdb01bfecdf022">
compiler/deSugar/ExtractDocs.hs
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<a href="#0db90e3d6e6150a586bbd58f75f250c3c71766f9">
compiler/hsSyn/HsDecls.hs
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<a href="#d466b592cd08fa40441c89d4d2d4c15618d15465">
compiler/llvmGen/LlvmCodeGen/CodeGen.hs
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<a href="#cdec0bcdc645a00b0d184ad59451df48e8287298">
compiler/main/Packages.hs
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<a href="#4046c7d6a8687b60dad02104071b70a747bc6cba">
compiler/nativeGen/PPC/CodeGen.hs
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<a href="#5c948fafb1c9ea3d700fdd4de82551b4b06bc8d2">
compiler/nativeGen/SPARC/CodeGen.hs
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<a href="#e08a7f13d9b4dd9216080725eb81bf254597216d">
compiler/nativeGen/X86/CodeGen.hs
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<a href="#2a8bedbc781353ca3c4d1e56daba6faa8829aaf3">
compiler/prelude/primops.txt.pp
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<a href="#9e8abcbe5e12fd8e08a30abe97d6ebafbacde914">
compiler/rename/RnEnv.hs
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<a href="#9f8e9eab0dc8b12ae9f92fbb76ddca15c817667a">
compiler/typecheck/TcCanonical.hs
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<a href="#c573dfc3158e7ec41ecc0965becd5f1e6e92a2e6">
compiler/typecheck/TcErrors.hs
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<a href="#350c4076427c611b8f14e875a4ca553041c2b847">
compiler/typecheck/TcHsType.hs
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<a href="#367db94fc37c8c7548dbe545a5302c7a5108e41e">
compiler/typecheck/TcMType.hs
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<a href="#2799ba786adc98d485fad6003334b913a0069bdc">
compiler/typecheck/TcRnDriver.hs
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<a href="#d2ddf5ce2d076f8584d9825af8ea0d7ea0a38813">
compiler/typecheck/TcRnTypes.hs
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<a href="#75d517f701402b106e4d98d255eb24b57ba72aab">
compiler/typecheck/TcSimplify.hs
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<a href="#bdfa0cc139f61d1236abc1598c5d684b43c357f9">
compiler/typecheck/TcTyClsDecls.hs
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<a href="#341fd962c5f2c9fcf8be3dbdaa9a14ee1538af07">
compiler/typecheck/TcType.hs
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<a href="#d6904e295957d55c64f4949aa3b54695dd57dd76">
docs/users_guide/8.10.1-notes.rst
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<a href="#b02c1c6109c60b8f685234b0dbaabf6c79fed2a2">
docs/users_guide/ghci.rst
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<a href="#c30f4ac98f08779ad1bd5a02a27802862c1e9521">
ghc/GHCi/UI.hs
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<a href="#57d22eb49f269b51f07e23c509834d85e25f691e">
ghc/GHCi/UI/Monad.hs
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<a href="#52ac3fb9d79a975886f930e407b4c98c993e9e8e">
hadrian/src/Settings/Builders/Ghc.hs
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<a href="#01e43a2f611042f90f155dc4638a09872e6f6cb2">
hadrian/src/Settings/Default.hs
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<a href="#2755f32886c2656f273820ffb30a84a5a8be7a3a">
libraries/base/GHC/Base.hs
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<a href="#f4df73449102e301ecaa0e5dd6d41b079b28b6a4">
libraries/base/GHC/Float.hs
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<a href="#f704201810bbaf922015f683d87a6da6978e325a">
rts/RetainerProfile.c
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<h5>The diff was not included because it is too large.</h5>
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