Failed

ThreadSanitizer-x86_64-iossim.ThreadSanitizer-x86_64-iossim.fiber_race.cc (from ThreadSanitizer-x86_64-iossim)

Failing for the past 1 build (Since Failed#14356 )
Took 3 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';     /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_compile.py /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/clang-build/./bin/clang  -fsanitize=thread -Wall  -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator11.4.sdk   -gline-tables-only -I/Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/tsan/../ -O1 /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/tsan/fiber_race.cc -o /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/clang-build/tools/clang/runtime/compiler-rt-bins/test/tsan/IOSSimX86_64Config/Output/fiber_race.cc.tmp && /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/tsan/deflake.bash /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_run.py /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/clang-build/tools/clang/runtime/compiler-rt-bins/test/tsan/IOSSimX86_64Config/Output/fiber_race.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/workspace/clang-stage1-cmake-RA-expensive/llvm/projects/compiler-rt/test/tsan/fiber_race.cc
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Exit Code: 0