Regression

LLVM.CodeGen/ARM.ifcvt-branch-weight-bug.ll (from LLVM)

Failing for the past 1 build (Since Failed#7066 )
Took 0.61 sec.

Stacktrace

Script:
--
: 'RUN: at line 1';   /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/clang-build/bin/llc < /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/ifcvt-branch-weight-bug.ll -mtriple=armv4t--linux-androideabi -print-machineinstrs=if-converter -o /dev/null 2>&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/CodeGen/ARM/ifcvt-branch-weight-bug.ll
--
Exit Code: 1

Command Output (stderr):
--
/Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/test/CodeGen/ARM/ifcvt-branch-weight-bug.ll:24:10: error: CHECK: expected string not found in input
; CHECK: bb.1.for.body:
         ^
<stdin>:1:1: note: scanning from here
/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
^
<stdin>:2:48: note: possible intended match here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/buildslave/jenkins/workspace/clang-stage2-cmake-RgSan/llvm-project/llvm/include/llvm/CodeGen/ReachingDefAnalysis.h:47:43 in 
                                               ^

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