Regression

LLVM.LTO/Resolution/X86.export-jumptable.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.94 sec.

Stacktrace

Script:
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: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/opt -thinlto-bc -thinlto-split-lto-unit -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/LTO/Resolution/X86/export-jumptable.ll
: 'RUN: at line 6';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto2 run -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp2 -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,f1,p -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,f2,p -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,_start,px /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp -save-temps
: 'RUN: at line 7';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dis /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp2.1.2.internalize.bc -o - | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/LTO/Resolution/X86/export-jumptable.ll
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Exit Code: 134

Command Output (stderr):
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/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.	Running pass 'Function Pass Manager' on module '/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp'.
1.	Running pass 'ReachingDefAnalysis' on function '@_start'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.script: line 3: 73755 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto2 run -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp2 -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,f1,p -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,f2,p -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp,_start,px /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/Resolution/X86/Output/export-jumptable.ll.tmp -save-temps

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