Regression

LLVM.tools/llvm-objdump/X86.disassemble-archive-with-source.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.6 sec.

Stacktrace

Script:
--
: 'RUN: at line 7';   rm -rf /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.tmp && mkdir -p /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.tmp/subdir && cd /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.tmp
: 'RUN: at line 8';   echo -e "int foo(int a)\n\n{ return a+1; }" > subdir/a.c
: 'RUN: at line 9';   sed -e "s,DIRNAME,/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.tmp/subdir," /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/tools/llvm-objdump/X86/disassemble-archive-with-source.ll | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc --filetype=obj -mtriple=x86_64-pc-linux -o a.o
: 'RUN: at line 10';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-ar rc a.a a.o
: 'RUN: at line 11';   rm a.o
: 'RUN: at line 12';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llvm-objdump --source a.a | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/FileCheck /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/tools/llvm-objdump/X86/disassemble-archive-with-source.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 --filetype=obj -mtriple=x86_64-pc-linux -o a.o 
1.	Running pass 'Function Pass Manager' on module '<stdin>'.
2.	Running pass 'ReachingDefAnalysis' on function '@foo'
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.script: line 6: 39408 Done                    sed -e "s,DIRNAME,/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/test/tools/llvm-objdump/X86/Output/disassemble-archive-with-source.ll.tmp/subdir," /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/tools/llvm-objdump/X86/disassemble-archive-with-source.ll
     39409 Abort trap: 6           | /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc --filetype=obj -mtriple=x86_64-pc-linux -o a.o

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