[Swift CI] [swift-3.0-preview-3] TEST 'Swift :: Runtime/weak-reference-racetests-dispatch.swift' FAILED

Hi,

Can someone please look at this test? It has been failing for long time.

https://ci.swift.org/view/swift-3.0-preview-3/job/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/41/consoleFull#682065832fca400bf-2f4a-462e-b517-e058d770b2d7

******************** TEST 'Swift :: Runtime/weak-reference-racetests-dispatch.swift' FAILED ********************

Script:

···

--
rm -rf /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/test-macosx-x86_64/Runtime/Output/weak-reference-racetests-dispatch.swift.tmp && mkdir -p /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/test-macosx-x86_64/Runtime/Output/weak-reference-racetests-dispatch.swift.tmp && xcrun --toolchain default --sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/bin/swiftc -target x86_64-apple-macosx10.9 -module-cache-path '/var/folders/_8/79jmzf2142z2xydc_01btlx00000gn/T/swift-testsuite-clang-module-cachetRhwVP' -F /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/../../../Developer/Library/Frameworks -Xlinker -rpath -Xlinker /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.12.sdk/../../../Developer/Library/Frameworks -module-cache-path '/var/folders/_8/79jmzf2142z2xydc_01btlx00000gn/T/swift-testsuite-clang-module-cachetRhwVP' /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/swift/test/Runtime/weak-reference-racetests-dispatch.swift -o /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/test-macosx-x86_64/Runtime/Output/weak-reference-racetests-dispatch.swift.tmp/a.out -module-name main && /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/test-macosx-x86_64/Runtime/Output/weak-reference-racetests-dispatch.swift.tmp/a.out
--
Exit Code: 134

Command Output (stdout):
--
[ RUN ] WeakReferenceRaceTests.class instance property [SR-192] (copy)

CRASHED: SIGSEGV

the test crashed unexpectedly
[ FAIL ] WeakReferenceRaceTests.class instance property [SR-192] (copy)
[ RUN ] WeakReferenceRaceTests.class instance property [SR-192] (load)

CRASHED: SIGSEGV

the test crashed unexpectedly
[ FAIL ] WeakReferenceRaceTests.class instance property [SR-192] (load)
[ RUN ] WeakReferenceRaceTests.direct capture (copy)

CRASHED: SIGSEGV

the test crashed unexpectedly
[ FAIL ] WeakReferenceRaceTests.direct capture (copy)
[ RUN ] WeakReferenceRaceTests.direct capture (load)

CRASHED: SIGSEGV

the test crashed unexpectedly
[ FAIL ] WeakReferenceRaceTests.direct capture (load)
WeakReferenceRaceTests: Some tests failed, aborting
UXPASS:
FAIL: ["class instance property [SR-192] (copy)", "class instance property [SR-192] (load)", "direct capture (copy)", "direct capture (load)"]
SKIP:
To debug, run:
$ /Users/buildnode/jenkins/workspace/oss-swift-3.0-preview-3_tools-RA_stdlib-DA_test-simulator/Ninja-ReleaseAssert/swift-macosx-x86_64/test-macosx-x86_64/Runtime/Output/weak-reference-racetests-dispatch.swift.tmp/a.out --stdlib-unittest-in-process --stdlib-unittest-filter "class instance property [SR-192] (copy)"

Thanks,
Mishal Shah