| Commit message (Collapse) | Author | Age | Files | Lines |
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Summary:
The parser production for squals has
: squals ',' transformqual
{% addAnnotation (gl $ last $ unLoc $1) AnnComma (gl $2) >>
ams (sLL $1 $> ()) (fst $ unLoc $3) >>
return (sLL $1 $> [sLL $1 $> ((snd $ unLoc $3) (reverse (unLoc $1)))]) }
This attaches the comma to the wrong part of the squals, as it is
generated in reverse order.
Test Plan: ./validate
Reviewers: hvr, austin
Reviewed By: austin
Subscribers: bgamari, thomie, mpickering
Differential Revision: https://phabricator.haskell.org/D846
GHC Trac Issues: #10312
(cherry picked from commit 713612674634754edd17264e688f0479d943d8d2)
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Summary:
For the following code
{-# LANGUAGE TupleSections #-}
foo = do
liftIO $ atomicModifyIORef ciTokens ((,()) . f)
the annotation is missing for the comma.
Test Plan: ./validate
Reviewers: hvr, austin
Reviewed By: austin
Subscribers: bgamari, thomie
Differential Revision: https://phabricator.haskell.org/D834
GHC Trac Issues: #10280
(cherry picked from commit 225df19a87d8de8245db84d558618f4824631acc)
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Summary:
The RdrHsSyn.isFunLhs function has the following
isFunLhs e = go e []
where
go (L loc (HsVar f)) es
| not (isRdrDataCon f) = return (Just (L loc f, False, es))
go (L _ (HsApp f e)) es = go f (e:es)
go (L _ (HsPar e)) es@(_:_) = go e es
The treatment of HsPar means that any parentheses around an infix function will be discarded.
e.g.
(f =*= g) sa i = f (toF sa i) =^= g (toG sa i)
will lose the ( before f and the closing one after g
Test Plan: ./validate
Reviewers: hvr, austin
Reviewed By: austin
Subscribers: bgamari, thomie
Differential Revision: https://phabricator.haskell.org/D832
GHC Trac Issues: #10269
(cherry picked from commit 5bde9f7c1834ab4da1fad1838afec1a578c26530)
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The HsOpTy can be constructed for a promoted type operator, in which case it has the following form
| btype SIMPLEQUOTE qconop type { sLL $1 $> $ mkHsOpTy $1 $3 $4 }
| btype SIMPLEQUOTE varop type { sLL $1 $> $ mkHsOpTy $1 $3 $4 }
The SIMPLEQUOTE does not get an annotation, so cannot be reproduced via the API Annotations.
Also, in
splice_exp :: { LHsExpr RdrName }
: TH_ID_SPLICE { sL1 $1 $ mkHsSpliceE
(sL1 $1 $ HsVar (mkUnqual varName
(getTH_ID_SPLICE $1))) }
| '$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceE $2) [mo $1,mc $3] }
| TH_ID_TY_SPLICE { sL1 $1 $ mkHsSpliceTE
(sL1 $1 $ HsVar (mkUnqual varName
(getTH_ID_TY_SPLICE $1))) }
| '$$(' exp ')' {% ams (sLL $1 $> $ mkHsSpliceTE $2) [mo $1,mc $3] }
the TH_ID_SPLICE and TH_ID_TY_SPLICE positions are lost.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D825
GHC Trac Issues: #10268
(cherry picked from commit 15aafc7fb61d2cbf95f2a564762399e82fe44e9c)
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See #10299
Previously `'[]` was parsed to a `HsTyVar` rather than a
`HsExplicitListTy`. This patch fixes the
shift-reduce conflict which caused this problem.
Reviewed By: alanz, austin
Differential Revision: https://phabricator.haskell.org/D840
(cherry picked from commit caeae1a33e28745b51d952b034e253d3e51e0605)
Conflicts:
compiler/parser/Parser.y
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When parsing a nested comment, such as
{-
{- nested comment -}
{-# nested pragma #-}
-}
The lexer returns the comment annotation as
{-
{- nested comment
{-# nested pragma #
-}
Restore the missing comment end markers in the annotation.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D829
GHC Trac Issues: #10277
(cherry picked from commit 5fded20c51ae61770f909351c851aaca3d3e331c)
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In RdrHsSyn.checkAPat the processing for ExprWithTySig is defined as
ExprWithTySig e t _ -> do e <- checkLPat msg e
-- Pattern signatures are parsed as sigtypes,
-- but they aren't explicit forall points. Hence
-- we have to remove the implicit forall here.
let t' = case t of
L _ (HsForAllTy Implicit _ _
(L _ []) ty) -> ty
other -> other
return (SigPatIn e (mkHsWithBndrs t'))
The t' variable ends up losing its original SrcSpan in the first case
branch. This results in annotations becoming detached from the AST.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D823
GHC Trac Issues: #10255
(cherry picked from commit 8dc294487fdaf102349c373c7db4796693573310)
Conflicts:
testsuite/tests/ghc-api/annotations/Makefile
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The opt_sig production is defined as
opt_sig :: { ([AddAnn],Maybe (LHsType RdrName)) }
: {- empty -} { ([],Nothing) }
| '::' sigtype { ([mj AnnDcolon $1],Just $2) }
It is used in the alt and decl_no_th productions, but neither of them
add the returned annotations.
This commit captures the annotations in the calling productions.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D822
GHC Trac Issues: #10254
(cherry picked from commit 919b51174163907d2bc3bb41aadf56aa8bb42e9b)
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The `guardquals1` production includes
: guardquals1 ',' qual {% addAnnotation (gl $ last $ unLoc $1) AnnComma
(gl $2) >>
return (sLL $1 $> ($3 : unLoc $1)) }
The AnnComma should be attached to `(gl $ head $ unLoc $1)`, rather than
`last`.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D818
GHC Trac Issues: #10256
(cherry picked from commit 9eab6feed44ad8beb6703d2e27ce47a8f79d0f49)
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The production for opt_kind_sig is
opt_kind_sig :: { Located (Maybe (LHsKind RdrName)) }
: { noLoc Nothing }
| '::' kind {% ajl (sLL $1 $> (Just $2)) AnnDcolon (gl $1) }
The outer Location is used only to get the full span for the enclosing
declration, and is then stripped. The inner LHsKind then has a SrcSpan that does
not include the '::'
Extend the SrcSpan on $2 to include $1
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D813
GHC Trac Issues: #10209
(cherry picked from commit 8aefc9b746512e91891879ad546e850e8a427d23)
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This fixes a typo in d5773a4939b1feea51ec0db6624c9462751e948a
Teach DmdAnal that coercions are value arguments!
(Trac #10288)
Sorry about that; I'm not sure how it slipped through.
(cherry picked from commit 5c7e4db5ce84395eb0d727eb3b0f505a00191164)
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Signed-off-by: Alexander Berntsen <alexander@plaimi.net>
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D872
(cherry picked from commit fa0474da6954a3e57785fe703acc83e2fecef88f)
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I noticed this typo while using template haskell.
Signed-off-by: Vikraman Choudhury <git@vikraman.org>
Test Plan:
```
λ> :set -XTemplateHaskell
λ> :m +Language.Haskell.TH
λ> data Foo = Foo
λ> $(conE ''Foo)
<interactive>:9:9:
Type constructor ‘Foo’ used where a value identifier was expected
In the expression: Foo
In an equation for ‘f’: f = Foo
```
Reviewed By: bgamari
Differential Revision: https://phabricator.haskell.org/D871
(cherry picked from commit 458a97b86ad154812d08e0fe3548b88ac8412b4f)
Conflicts:
testsuite/tests/rename/should_compile/rn040.hs
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The demand analyser was treating coercion args like type args,
which meant that the arguments in a strictness signature got
out of step with the arguments of a call. Result chaos and
disaster. Trac #10288 showed it up.
It's hard to get this bug to show up in practice because
- functions abstracted over coercions are usually abstracted
over *boxed* coercions
- we don't currently unbox a boxed-coercion arg because it's
GADT (I see how to fix this too)
But after floating, optimisation, and so on, Trac #10288 did
get a function abstracted over an unboxed coercion, and then
the -flate-dmd-anal pass went wrong.
I don't think I can come up with a test case, but I don't think
it matters too much.
Still to come
- Fix a second bug, namely that coercion variables are wrongly
marked as absent because DmdAnal doesn't check the the free
variables of casts. I think this never bites in practice
(see the follow-up commit)
- Make GADT products work with strictness analysis
(cherry picked from commit d5773a4939b1feea51ec0db6624c9462751e948a)
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Test `T703` was found to be failing on arm/linux. The solution
was to add a linker flag to explicitly set the stack to
non-executable.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Test Plan: validate on x86_64 and arm linux
Reviewers: ezyang, rwbarton, austin
Subscribers: bgamari, thomie
Differential Revision: https://phabricator.haskell.org/D875
GHC Trac Issues: #10369
(cherry picked from commit 63a10bbc42492c58feb377d79e05a185e6efcd5a)
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Like 32 bit Arm, Aarch64 requires use of the gold linker.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Test Plan: 'make install' on aarch64, validate elsewhere
Reviewers: rwbarton, bgamari, austin
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D858
GHC Trac Issues: #9673
(cherry picked from commit 0bbc2ac6dae9ce2838f23a75a6a989826c06f3f5)
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See Note [Closing over kinds in coverage] in FunDeps.
I'd already fixed this bug once, for Trac #8391, but I put the
call to closeOverKinds in the wrong place, so Trac #10109
failed. (It checks the /liberal/ coverage condition, which
The fix was easy: move the call to the right place!
(cherry picked from commit 49d9b009a2affb6015b8f6e2f15e4660a53c0d9a)
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by eta-expanding its definition so that GHC optmizes the foldl here.
Also make sure that other uses of last go via foldl as well, to allow
list fusion (tested in T9339). Fixes #10260.
(cherry picked from commit 524ddbdad5816f77b7b719cac0671eebd3473616)
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This was an unfortunate oversight in the original event manager rework
patch. Fixes #10308
Differential Revision: https://phabricator.haskell.org/D845
(cherry picked from commit 9a0c17950fdfd0c89c672da9d8b25a419f66c1f8)
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Several test outputs needed base-4.8.0.0 replaced by base-4.8.1.0
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In GHC HEAD the corresponding update occured in e6e0415befc97
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Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
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I suspect this was caused by f6c690ba6491e0e943bd07763c0063a55ff0c760
which would be compensated by 547c597112954353cef7157cb0a389bc4f6303eb
(which OTOH was not cherry-picked into 7.10)
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The ghc-7.10 branch requires use of llvm-3.5, but the llvm-3.5.0
release had a bug that was fixed in llvm-3.5.1.
When we are targeting arm, test for this bug in the llvm program
`llc` during confgure and if present, abort configuration with
an informative error message.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Differential Revision: https://phabricator.haskell.org/D857
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The ghc-7.10 branch *only* works with llvm-3.5.
This commit is basically the ghc-7.10 branch version of
485dba86d2 in the master branch.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>
Differential Revision: https://phabricator.haskell.org/D856
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Highlights since 1.22.2.0:
- cabal check will fail on -fprof-auto passed as a ghc-option
- filterConfigureFlags: filter more flags.
- fix ghcjs-pkg version number handling
Addresses #10304
(cherry picked from commit 4bc925a67285a71ddd14642e218d85de83bc214a)
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This fixes Trac #10233
(cherry picked from commit 74d2c33a1f4ebe3de090bc73d08910bbdd31f8f1)
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This fixes Trac #10195
For some reason we considered untouchability before, but Trac #10195
shows that this is positively worng.
See Note [Instance and Given overlap] in TcInteract.
Looking at the Git log, it seems that this bug was introduced at the
same time that we introduced the Given/Wanted overlap check in the first
place.
(cherry picked from commit 8b7ceece52d2a0bb8a4ea5609da286fb76d88211)
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The LLVM developers seem to make breaking changes in the LLVM IR
language between major releases. As a consumer of the LLVM tools
GHC now needs to be locked more tightly to a single version of
the LLVM tools.
GHC HEAD currently only supports LLVM version 3.6. This commit
changes the configure script to look for `llc-3.6` and `opt-3.6`
before looking for `llc` and `opt`. If the former are not found,
but the later are, check that they actually are version 3.6.
At the same time, when detecting known problems with the LLVM
tools (ie #9439) test for it using the versions of the LLVM tools
retrieved from the bootstrap compiler's settings file.
Test Plan: Manual testing.
Reviewers: thomie, rwbarton, nomeata, austin
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D745
GHC Trac Issues: #10170
(cherry picked from commit 42448e3757f25735a0a5b5e2b7ee456b5e8b0039)
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Summary:
Four bug fixes and a little refactoring.
* `find -perm \mode` should be `find -perm /mode` (#9697)
* `find -regex '$3' should be `find -regex "$3"` (#7661)
From `man sh` on my system (Ubuntu 14.04):
"Enclosing characters in single quotes preserves the literal meaning of all
the characters ..."
* LlcCmd and OptCmd should be passed to ghc, using `-pgmlo` and `-pgmlc`, for
detection of #9439.
* -pgmlo and -pgmlc were undocumented because of an xml tag misplacement.
Test Plan:
The aclocal.m4 macro has seen about 10 iterations since its inception. Without a
testsuite, I can't guarantee this version is bug free either. It's all pretty
frustrating.
Reviewers: bgamari, austin
Reviewed By: austin
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D683
GHC Trac Issues: #9697, #7661, #9439
(cherry picked from commit 1dfab7a8ace5f09f00f8fb695932b4324e88b822)
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Summary:
The relevant aspect is that the libffi configuration's AC_CHECK_LIB
and AC_CHECK_HEADERS are moved after FIND_GCC. There are two reasons
to do this:
1. We should detect the presence of libffi using the C compiler
that we are eventually going to use to build GHC.
2. Running AC_CHECK_HEADERS before FIND_GCC pollutes the CPP variable
with "gcc -E" (wrong when cross-compiling), and CPP is not reset
by FIND_GCC. Thus this patch fixes x86_64 -> i386 cross-compilation
of integer-gmp2.
Test Plan: Local x86_64 -> i386 cross-compiling validate; Harbormaster
Reviewers: austin
Reviewed By: austin
Subscribers: erikd, carter, thomie
Differential Revision: https://phabricator.haskell.org/D597
(cherry picked from commit a5bc2579afac3268c31626777406c295c7e67755)
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Reviewed By: edsko, austin
Differential Revision: https://phabricator.haskell.org/D824
GHC Trac Issues: #10232
(cherry picked from commit 6109b312cdd9dfe4bdad4030e0185dd67e6ec18d)
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Summary: Android has no rand symbol (it's a static inline function there).
Test Plan: ghc-android builds
Reviewers: trofi, austin, hvr
Reviewed By: hvr
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D826
GHC Trac Issues: #10274
(cherry picked from commit f536d89603bb49dea192b47f54416dc88da980af)
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Trac #10218 reports a subtle bug that turned out to be:
- CSE invalidated the usage information computed
by earlier demand analysis, by increasing sharing
- that made a single-entry thunk into a multi-entry thunk
- and with -feager-blackholing, that led to <<loop>>
The patch fixes it by making the CSE pass zap usage information for
let-bound identifiers. It can be restored by -flate-dmd-anal.
(But making -flate-dmd-anal the default needs some careful work;
see Trac #7782.)
(cherry picked from commit d261d4cbcc867405f71d7c9580628f52978e2267)
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(cherry picked from commit eacda9244913709ed025767418468b4cfc878cf9)
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This patch fixes Trac #10148, an outright and egregious
bug in the demand analyser.
It is explained in Note [Demand on case-alternative binders]
in Demand.hs.
I did some other minor refactoring.
To my astonishment I got some big compiler perf changes
* perf/compiler/T5837: bytes allocated -76%
* perf/compiler/T5030: bytes allocated -10%
* perf/compiler/T3294: max bytes used -25%
Happy days
(cherry picked from commit 9f0f99fd41ff82cc223d3b682703e508efb564d2)
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This fixes Trac #10194
(cherry picked from commit 553c5182156c5e4c15e3bd1c17c6d83a95a6c408)
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We were erroneously quantifying over the function when it
had a dictionary type. A bit pathological, but possible.
This fixes Trac #10251
(cherry picked from commit cfb60421a43f23e75ead85d99cec207a156f9312)
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David Feuer managed to tickle a corner case in the
code generator. See Note [Scrutinising VoidRep]
in StgCmmExpr.
I rejigged the comments in that area of the code generator
Note [Dodgy unsafeCoerce 1]
Note [Dodgy unsafeCoerce 2]
but I can't say I fully understand them, alas.
(cherry picked from commit 9c78d09e344e97d2d5c37b9bb46e311a3cf031e2)
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This diff depends on D803.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D806
GHC Trac Issues: #10214
(cherry picked from commit cf196400609d920e7f8189b9376833f4f5886360)
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Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D803
GHC Trac Issues: #10207
(cherry picked from commit f1a4e42ea2e5302147dcb69b9baa6f4aa3af6e37)
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The patch is a last major piece to make unregisterised GHC build
under GCC's link-time optimizer.
Before the patch we imported everything external as functions.
Now we distinct between global variables and functions.
The difference is crucial on ia64 and a complement to fixes:
> d82f592522eb8e063276a8a8c87ab93e18353c6b
> CMM: add a mechanism to import C .data labels
> e18525fae273f4c1ad8d6cbe1dea4fc074cac721
> pprC: declare extern cmm primitives as functions, not data
Signed-off-by: Sergei Trofimovich <siarheit@google.com>
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D797
(cherry picked from commit ab76b0990e9f7d20bde403be38935f9d16491806)
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```
chmod 664 $PATH_TO_GHCI_CONF/.ghci
```
Run ghci. You will now get a warning + a suggestion:
```
*** WARNING: $PATH_TO_GHCI_CONF/.ghci is writable by someone else, IGNORING!
Suggested fix: execute 'chmod 644 $PATH_TO_GHCI_CONF/.ghci'
```
Execute fix and the warning should disappear.
Reviewed By: mboes, thomie
Differential Revision: https://phabricator.haskell.org/D805
(cherry picked from commit b972de0365f94e1be9d78537152eee969dc5f4cb)
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Summary:
It used to be Ptr, which is slightly incorrect.
ia64 has different representations for those types.
Found when tried to build unregisterised ghc with -flto,
GCC's link-time optimisation which happens to check
data / code declaration inconsistencies.
It our case 'stg_interp_constr_entry' is an RTS function:
StgFunPtr f (StgFunPtr)
while '"&f" :: Ptr()' produces
StgWordArray f[];
Signed-off-by: Sergei Trofimovich <siarheit@google.com>
Reviewers: simonmar, hvr, austin
Reviewed By: austin
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D796
(cherry picked from commit 22eecaff9db1feb7eef9ee8ed11fcef4df01b08e)
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And remove warning. This feature is available through cabal even.
Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D801
(cherry picked from commit fef4948f172b66eaf8db520b381dd4a8237b5644)
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Reviewed By: austin
Differential Revision: https://phabricator.haskell.org/D772
GHC Trac Issues: #10213
(cherry picked from commit 2255c76c7049314d3d8545efb6317688ba0da72c)
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Signed-off-by: Austin Seipp <austin@well-typed.com>
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Signed-off-by: Austin Seipp <austin@well-typed.com>
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