Regression

AddressSanitizer-x86_64-iossim.TestCases/Posix.ioctl.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 -g /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Posix/Output/ioctl.cc.tmp && env ASAN_OPTIONS=abort_on_error=0:log_to_syslog=0:detect_leaks=1:handle_ioctl=1 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/Posix/Output/ioctl.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc
/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 -g /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Posix/Output/ioctl.cc.tmp && env ASAN_OPTIONS=abort_on_error=0:log_to_syslog=0:detect_leaks=1:handle_ioctl=1 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/Posix/Output/ioctl.cc.tmp 2>&1 | FileCheck /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc
/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 -g /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Posix/Output/ioctl.cc.tmp && /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/Posix/Output/ioctl.cc.tmp
/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 -g /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc -o /Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/clang-build/tools/clang/runtime/compiler-rt-bins/test/asan/IOSSimX86_64Config/TestCases/Posix/Output/ioctl.cc.tmp && /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/Posix/Output/ioctl.cc.tmp
--
Exit Code: 1

Command Output (stderr):
--
/Users/buildslave/jenkins/sharedspace/clang-stage1-cmake-RA_workspace/llvm/projects/compiler-rt/test/asan/TestCases/Posix/ioctl.cc:20:12: error: expected string not found in input
 // CHECK: {{#.* in main .*ioctl.cc:}}[[@LINE-3]]
           ^
<stdin>:3:19: note: scanning from here
READ of size 4 at 0x7fff5b1f9ec4 thread T0
                  ^
<stdin>:3:19: note: with expression "@LINE-3" equal to "17"
READ of size 4 at 0x7fff5b1f9ec4 thread T0
                  ^
<stdin>:6:34: note: possible intended match here
atos[25793]: atos cannot examine process 25789 (ioctl.cc.tmp) for unknown reasons, even though it appears to exist; try running with `sudo`.
                                 ^

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