Regression

LLVM.DebugInfo/X86.dwarf-public-names.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.48 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-pc-linux-gnu -filetype=obj -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
: 'RUN: at line 2';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dwarfdump -debug-pubnames /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck --check-prefix=LINUX /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
: 'RUN: at line 3';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-apple-darwin12 -filetype=obj -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
: 'RUN: at line 4';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dwarfdump -debug-pubnames /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck --check-prefix=NOPUB /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
: 'RUN: at line 5';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-scei-ps4 -filetype=obj -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
: 'RUN: at line 6';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-dwarfdump -debug-pubnames /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck --check-prefix=NOPUB /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll
--
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/llc -mtriple=x86_64-pc-linux-gnu -filetype=obj -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@_ZN1C15member_functionEv'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.script: line 6: 68812 Abort trap: 6           /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc -mtriple=x86_64-pc-linux-gnu -filetype=obj -o /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/DebugInfo/X86/Output/dwarf-public-names.ll.tmp.o < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/DebugInfo/X86/dwarf-public-names.ll

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