Regression

LLVM.CodeGen/X86.debug-loclists.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.47 sec.

Stacktrace

Script:
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: 'RUN: at line 1';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-pc-linux -filetype=obj -function-sections -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/debug-loclists.ll
: 'RUN: at line 2';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dwarfdump -v -debug-info -debug-loclists /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/debug-loclists.ll
: 'RUN: at line 4';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -dwarf-version=5 -split-dwarf-file=foo.dwo -mtriple=x86_64-pc-linux -filetype=obj -function-sections -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/debug-loclists.ll
: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dwarfdump -v -debug-info -debug-loclists /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/debug-loclists.ll --check-prefix=DWO
--
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/llc -mtriple=x86_64-pc-linux -filetype=obj -function-sections -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@_Z2f1ii'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.script: line 4: 57601 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-pc-linux -filetype=obj -function-sections -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/CodeGen/X86/Output/debug-loclists.ll.tmp < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/X86/debug-loclists.ll

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