Regression

AddressSanitizer-x86_64-iossim.TestCases.strncpy-overflow.cc (from AddressSanitizer-x86_64-iossim)

Failing for the past 1 build (Since Failed#296 )
Took 1.3 sec.

Stacktrace

Script:
--
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_compile.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.2.sdk  -shared-libasan -O0 /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp && not /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_run.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc --check-prefix=CHECK-Darwin --check-prefix=CHECK
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_compile.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.2.sdk  -shared-libasan -O1 /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp && not /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_run.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc --check-prefix=CHECK-Darwin --check-prefix=CHECK
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_compile.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.2.sdk  -shared-libasan -O2 /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp && not /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_run.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc --check-prefix=CHECK-Darwin --check-prefix=CHECK
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_compile.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/./bin/clang --driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -fno-optimize-sibling-calls -gline-tables-only -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.2.sdk  -shared-libasan -O3 /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp && not /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/sanitizer_common/ios_commands/iossim_run.py /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc --check-prefix=CHECK-Darwin --check-prefix=CHECK
--
Exit Code: 1

Command Output (stderr):
--
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/strncpy-overflow.cc:19:12: error: expected string not found in input
 // CHECK: {{ #1 0x.* in main .*strncpy-overflow.cc:}}[[@LINE-4]]
           ^
<stdin>:13:33: note: scanning from here
 #0 0x1001ba724 in wrap_strncpy (/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/lib/clang/6.0.0/lib/darwin/libclang_rt.asan_iossim_dynamic.dylib:x86_64+0x4f724)
                                ^
<stdin>:13:33: note: with expression "@LINE-4" equal to "15"
 #0 0x1001ba724 in wrap_strncpy (/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/lib/clang/6.0.0/lib/darwin/libclang_rt.asan_iossim_dynamic.dylib:x86_64+0x4f724)
                                ^
<stdin>:14:171: note: possible intended match here
 #1 0x10004ccb9 in main (/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Output/strncpy-overflow.cc.tmp:x86_64+0x100000cb9)
                                                                                                                                                                          ^

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