Regression

LLVM.LTO/X86.triple-init2.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.71 sec.

Stacktrace

Script:
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: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-as < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/LTO/X86/triple-init2.ll >/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1
: 'RUN: at line 6';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto -exported-symbol=main -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2 /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1
: 'RUN: at line 7';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-nm /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2 | /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/X86/triple-init2.ll
: 'RUN: at line 10';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/opt -module-summary -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1 /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/LTO/X86/triple-init2.ll
: 'RUN: at line 11';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto2 run -r /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1,main,plx -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2 /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1
: 'RUN: at line 12';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-nm /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2.1 | /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/X86/triple-init2.ll
--
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.	Program arguments: /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto -exported-symbol=main -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2 /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1 
1.	Running pass 'Function Pass Manager' on module 'ld-temp.o'.
2.	Running pass 'ReachingDefAnalysis' on function '@main'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.script: line 6: 74218 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-lto -exported-symbol=main -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp2 /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/LTO/X86/Output/triple-init2.ll.tmp1

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