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<h3>
Ben Gamari pushed to branch wip/nonmoving-fixes
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/35e7b0c6581bb7b577e63b08770bb8f1372435aa">35e7b0c6</a></strong>
<div>
<span>by Kirill Elagin</span>
<i>at 2020-12-10T01:45:54-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">doc: Clarify the default for -fomit-yields
“Yield points enabled” is confusing (and probably wrong?
I am not 100% sure what it means). Change it to a simple “on”.
Undo this change from 2c23fff2e03e77187dc4d01f325f5f43a0e7cad2.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3551c554acd8d692de7948c47a27327988b3a308">3551c554</a></strong>
<div>
<span>by Kirill Elagin</span>
<i>at 2020-12-10T01:45:54-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">doc: Extra-clarify -fomit-yields
Be more clear on what this optimisation being on by default means
in terms of yields.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6484f0d72a9110c5960b9185f239e6ce049b0c74">6484f0d7</a></strong>
<div>
<span>by Sergei Trofimovich</span>
<i>at 2020-12-10T01:46:33-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker/Elf.c: add missing <dlfcn.h> include (musl support)
The change fixes build failure on musl:
```
rts/linker/Elf.c:2031:3: error:
warning: implicit declaration of function 'dlclose'; did you mean 'close'? [-Wimplicit-function-declaration]
2031 | dlclose(nc->dlopen_handle);
| ^~~~~~~
| close
```
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/ab24ed9bdb1d1b6967883f47eb432c08477d26a9">ab24ed9b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-11T03:55:51-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users guide: Fix syntax errors
Fixes errors introduced by 3a55b3a2574f913d046f3a6f82db48d7f6df32e3.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d3a24d3190de47044981363329337c16b5052028">d3a24d31</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-11T03:55:51-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">users guide: Describe GC lifecycle events
Every time I am asked about how to interpret these events I need to
figure it out from scratch. It's well past time that the users guide
properly documents these.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/741309b94e5ef312f4112c86e99b540d412dd100">741309b9</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-11T03:56:27-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Fix incorrect Docker image for nightly cross job
Also refactor the job definition to eliminate the bug by construction.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/19703bc83732525cd8309b1e07815840fcc622fb">19703bc8</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-11T03:56:27-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Fix name of flavour in ThreadSanitizer job
It looks like I neglected to update this after introduce flavour
transformers.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/381eb66012c2b1b9ef50008df57293fe443c2972">381eb660</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T12:57:35-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Display FFI labels (fix #18539)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4548d1f8a2356458ded83f26a728c31159b46a56">4548d1f8</a></strong>
<div>
<span>by Aaron Allen</span>
<i>at 2020-12-11T12:58:14-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Elide extraneous messages for :doc command (#15784)
Do not print `<has no documentation>` alongside a valid doc.
Additionally, if two matching symbols lack documentation then the
message will only be printed once. Hence, `<has no documentation>` will
be printed at most once and only if all matching symbols are lacking
docs.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5eba91b629745746397ed36f25fe592d08ec667b">5eba91b6</a></strong>
<div>
<span>by Aaron Allen</span>
<i>at 2020-12-11T12:58:14-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add :doc test case for duplicate record fields
Tests that the output of the `:doc` command is correct for duplicate
record fields defined using -XDuplicateRecordFields.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5feb9b2dad0ce609e3cfb537a6ca758a09a6898e">5feb9b2d</a></strong>
<div>
<span>by Ryan Scott</span>
<i>at 2020-12-11T22:39:29-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Delete outdated Note [Kind-checking tyvar binders for associated types]
This Note has severely bitrotted, as it has no references anywhere in the
codebase, and none of the functions that it mentions exist anymore. Let's just
delete this. While I was in town, I deleted some outdated comments from
`checkFamPatBinders` of a similar caliber.
Fixes #19008.
[ci skip]
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f9f9f030d77ee6fb882897246a67b527937b8f66">f9f9f030</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:40:08-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Arrows: correctly query arrow methods (#17423)
Consider the following code:
proc (C x y) -> ...
Before this patch, the evidence binding for the Arrow dictionary was
attached to the C pattern:
proc (C x y) { $dArrow = ... } -> ...
But then when we desugar this, we use arrow operations ("arr", ">>>"...)
specialised for this arrow:
let
arr_xy = arr $dArrow -- <-- Not in scope!
...
in
arr_xy (\(C x y) { $dArrow = ... } -> ...)
This patch allows arrow operations to be type-checked before the proc
itself, avoiding this issue.
Fix #17423
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aaa8f00fa03dbc29511283f93fde3b627023f4fe">aaa8f00f</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:40:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Validate script: fix configure command when using stack
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/b4a929a1e54272ff6ba67c1a2baba635bae93b0b">b4a929a1</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:41:30-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: fix libffi tarball parsing
Fix parsing of "libffi-3.3.tar.gz".
NB: switch to a newer libffi isn't done in this patch
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/690c894616a539c59cb8e58d2bba8b9c02c5ad4c">690c8946</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:42:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Parser: move parser utils into their own module
Move code unrelated to runtime evaluation out of GHC.Runtime.Eval
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/76be0e32d6638c04521b74421a9ce2380593fb54">76be0e32</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:42:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Move SizedSeq into ghc-boot
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3a16d764f3cf01add8c09b9ca5c071176f857fb8">3a16d764</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:42:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ghci: don't compile unneeded modules
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2895fa60350e19016ee4babc1a1ce8bc5179364d">2895fa60</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:42:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ghci: reuse Arch from ghc-boot
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/480a38d4ad2f6fa2137e81e9f318dda445858e9c">480a38d4</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:43:30-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: don't use siginterrupt (#19019)
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/4af6126d1758d5e365cadf032e34c99489f13dee">4af6126d</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-11T22:44:11-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Use static array in zeroCount
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5bd71bfd3a410ff2edcd29306a9824d60857f9fd">5bd71bfd</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-12-12T04:45:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DmdAnal: Annotate top-level function bindings with demands (#18894)
It's useful to annotate a non-exported top-level function like `g` in
```hs
module Lib (h) where
g :: Int -> Int -> (Int,Int)
g m 1 = (m, 0)
g m n = (2 * m, 2 `div` n)
{-# NOINLINE g #-}
h :: Int -> Int
h 1 = 0
h m
| odd m = snd (g m 2)
| otherwise = uncurry (+) (g 2 m)
```
with its demand `UCU(CS(P(1P(U),SP(U))`, which tells us that whenever `g` was
called, the second component of the returned pair was evaluated strictly.
Since #18903 we do so for local functions, where we can see all calls.
For top-level functions, we can assume that all *exported* functions are
demanded according to `topDmd` and thus get sound demands for
non-exported top-level functions.
The demand on `g` is crucial information for Nested CPR, which may the
go on and unbox `g` for the second pair component. That is true even if
that pair component may diverge, as is the case for the call site `g 13
0`, which throws a div-by-zero exception.
In `T18894b`, you can even see the new demand annotation enabling us to
eta-expand a function that we wouldn't be able to eta-expand without
Call Arity.
We only track bindings of function type in order not to risk huge compile-time
regressions, see `isInterestingTopLevelFn`.
There was a CoreLint check that rejected strict demand annotations on
recursive or top-level bindings, which seems completely unjustified.
All the cases I investigated were fine, so I removed it.
Fixes #18894.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3aae036eded89603756d025e0fac2ec0642edeaf">3aae036e</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-12-12T04:45:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Demand: Simplify `CU(U)` to `U` (#19005)
Both sub-demands encode the same information.
This is a trivial change and already affects a few regression tests
(e.g. `T5075`), so no separate regression test is necessary.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c647763954717d9853d08ff04eece7f1ddeae15c">c6477639</a></strong>
<div>
<span>by Adam Sandberg Ericsson</span>
<i>at 2020-12-12T04:45:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">hadrian: correctly copy the docs dir into the bindist #18669
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/e033dd0512443140dcca5b3c90b84022d8caf942">e033dd05</a></strong>
<div>
<span>by Adam Sandberg Ericsson</span>
<i>at 2020-12-12T10:52:19+00:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">mkDocs: support hadrian bindists #18973
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/78580ba3f99565b0aecb25c4206718d4c8a52317">78580ba3</a></strong>
<div>
<span>by John Ericson</span>
<i>at 2020-12-13T07:14:50-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove old .travis.yml
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c696bb2f4476e0ce4071e0d91687c1fe84405599">c696bb2f</a></strong>
<div>
<span>by Cale Gibbard</span>
<i>at 2020-12-14T13:37:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Implement type applications in patterns
The haddock submodule is also updated so that it understands the changes
to patterns.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/7e9debd4ceb068effe8ac81892d2cabcb8f55850">7e9debd4</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-14T13:37:09-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Optimise nullary type constructor usage
During the compilation of programs GHC very frequently deals with
the `Type` type, which is a synonym of `TYPE 'LiftedRep`. This patch
teaches GHC to avoid expanding the `Type` synonym (and other nullary
type synonyms) during type comparisons, saving a good amount of work.
This optimisation is described in `Note [Comparing nullary type
synonyms]`.
To maximize the impact of this optimisation, we introduce a few
special-cases to reduce `TYPE 'LiftedRep` to `Type`. See
`Note [Prefer Type over TYPE 'LiftedPtrRep]`.
Closes #17958.
Metric Decrease:
T18698b
T1969
T12227
T12545
T12707
T14683
T3064
T5631
T5642
T9020
T9630
T9872a
T13035
haddock.Cabal
haddock.base
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/92377c27e1a48d0d3776f65c7074dfeb122b46db">92377c27</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-14T13:41:58-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Revert "Optimise nullary type constructor usage"
This was inadvertently merged.
This reverts commit 7e9debd4ceb068effe8ac81892d2cabcb8f55850.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/d0e8c10d587e4b9984526d0dfcfcb258b75733b8">d0e8c10d</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-12-14T19:45:13+01:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Move Unit related fields from DynFlags to HscEnv
The unit database cache, the home unit and the unit state were stored in
DynFlags while they ought to be stored in the compiler session state
(HscEnv). This patch fixes this.
It introduces a new UnitEnv type that should be used in the future to
handle separate unit environments (especially host vs target units).
Related to #17957
Bump haddock submodule
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/af855ac1d37359df3db8c48dc6c9dd2f3fe24e77">af855ac1</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-12-14T15:22:13-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Optimize dumping of consecutive whitespace.
The naive way of putting out n characters of indent would be something
like `hPutStr hdl (replicate n ' ')`. However this is quite inefficient
as we allocate an absurd number of strings consisting of simply spaces
as we don't cache them.
To improve on this we now track if we can simply write ascii spaces via
hPutBuf instead. This is the case when running with -ddump-to-file where
we force the encoding to be UTF8.
This avoids both the cost of going through encoding as well as avoiding
allocation churn from all the white space. Instead we simply use hPutBuf
on a preallocated unlifted string.
When dumping stg like this:
> nofib/spectral/simple/Main.hs -fforce-recomp -ddump-stg-final -ddump-to-file -c +RTS -s
Allocations went from 1,778 MB to 1,702MB. About a 4% reduction of
allocation! I did not measure the difference in runtime but expect it
to be similar.
Bumps the haddock submodule since the interface of GHC's Pretty
slightly changed.
-------------------------
Metric Decrease:
T12227
-------------------------
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/dad87210efffce9cfc2d17dc088a71d9dea14535">dad87210</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-14T15:22:29-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Optimise nullary type constructor usage
During the compilation of programs GHC very frequently deals with
the `Type` type, which is a synonym of `TYPE 'LiftedRep`. This patch
teaches GHC to avoid expanding the `Type` synonym (and other nullary
type synonyms) during type comparisons, saving a good amount of work.
This optimisation is described in `Note [Comparing nullary type
synonyms]`.
To maximize the impact of this optimisation, we introduce a few
special-cases to reduce `TYPE 'LiftedRep` to `Type`. See
`Note [Prefer Type over TYPE 'LiftedPtrRep]`.
Closes #17958.
Metric Decrease:
T18698b
T1969
T12227
T12545
T12707
T14683
T3064
T5631
T5642
T9020
T9630
T9872a
T13035
haddock.Cabal
haddock.base
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/6c2eb2232b39ff4720fda0a4a009fb6afbc9dcea">6c2eb223</a></strong>
<div>
<span>by Andrew Martin</span>
<i>at 2020-12-14T18:48:51-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Implement BoxedRep proposal
This implements the BoxedRep proposal, refacoring the `RuntimeRep`
hierarchy from:
```haskell
data RuntimeRep = LiftedPtrRep | UnliftedPtrRep | ...
```
to
```haskell
data RuntimeRep = BoxedRep Levity | ...
data Levity = Lifted | Unlifted
```
Closes #17526.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3ee696ccf55c306f6d9887436cfec579f5dde8a0">3ee696cc</a></strong>
<div>
<span>by Sebastian Graf</span>
<i>at 2020-12-15T10:53:31-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add regression test for #19053
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/535dae66271af0ce4ab9c0a772614b700bc4c92a">535dae66</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-15T10:53:58-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Mark divbyzero, derefnull as fragile
Due to #18548.</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5b9f7d8b22d151114688a2ef4dd374f027d47f76">5b9f7d8b</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Fix small CPP bug
Previously an incorrect semicolon meant that we would fail to call
busy_wait_nop when spinning.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5c8e2ba495db9057d5c473506455bd8b678fb794">5c8e2ba4</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Assert deadlock-gc promotion invariant
When performing a deadlock-detection GC we must ensure that all objects
end up in the non-moving generation. Assert this in scavenge.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/af102371041660ea4521e1f16a8108a4864ea73c">af102371</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Ensure deadlock detection promotion works
Previously the deadlock-detection promotion logic in alloc_for_copy was
just plain wrong: it failed to fire when gct->evac_gen_no !=
oldest_gen->gen_no. The fix is simple: move the
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/28738aeaf44bf4eec99b3ac60b8857acc40c2e2d">28738aea</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Refactor alloc_for_copy
Pull the cold non-moving allocation path out of alloc_for_copy.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/c843f3095844980274a134d8200507bbf5d9a0cd">c843f309</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Don't push objects during deadlock detect GC
Previously we would push large objects and compact regions to the mark
queue during the deadlock detect GC, resulting in failure to detect
deadlocks.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/2f89479b4220490044807517a2d8c1ed222feb79">2f89479b</a></strong>
<div>
<span>by GHC GitLab CI</span>
<i>at 2020-12-15T10:56:01-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">nonmoving: Add comments to nonmovingResurrectThreads
</pre>
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</ul>
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compiler/GHC.hs
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compiler/GHC/Builtin/Names.hs
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compiler/GHC/Builtin/Types.hs
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compiler/GHC/ByteCode/Linker.hs
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compiler/GHC/ByteCode/Types.hs
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compiler/GHC/Core/Unify.hs
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compiler/GHC/Driver/Env.hs
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