Regression

LLVM.ExecutionEngine/MCJIT.2003-08-15-AllocaAssertion.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.26 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/lli /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/ExecutionEngine/MCJIT/2003-08-15-AllocaAssertion.ll > /dev/null
--
Exit Code: 134

Command Output (stderr):
--
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/include/llvm/CodeGen/ReachingDefAnalysis.h:47:43: runtime error: left shift of negative value -1
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/include/llvm/CodeGen/ReachingDefAnalysis.h:47:43 in 
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.
Stack dump:
0.	Program arguments: /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/lli /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/ExecutionEngine/MCJIT/2003-08-15-AllocaAssertion.ll 
1.	Running pass 'Function Pass Manager' on module '/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/ExecutionEngine/MCJIT/2003-08-15-AllocaAssertion.ll'.
2.	Running pass 'ReachingDefAnalysis' on function '@main'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/ExecutionEngine/MCJIT/Output/2003-08-15-AllocaAssertion.ll.script: line 1: 70521 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/lli /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/ExecutionEngine/MCJIT/2003-08-15-AllocaAssertion.ll > /dev/null

--