[lldb-dev] [Bug 16769] New: LLDB on Mac OS X crashes while running TestLongjmp

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=16769

            Bug ID: 16769
           Summary: LLDB on Mac OS X crashes while running TestLongjmp
           Product: lldb
           Version: unspecified
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at cs.uiuc.edu
          Reporter: daniel.malea at intel.com
    Classification: Unclassified

To reproduce, remove the @skipIfDarwin decorator from TestLongjmp.py and run:

python dotest.py --executable <path-to-lldb> -p TestLongJmp

The crash is due to one of two assertion failures:

Assertion failed: (!"Didn't get sequence mutex for read register."), function
ReadRegisterBytes, file
/Users/daniel/dev/lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp,
line 255

or 

Assertion failed: (m_failure_message.empty()), function Unlock, file
/Users/daniel/dev/lldb/source/Host/common/Mutex.cpp, line 353


The problem does not seem reproducible on Linux, but happens on Mac OS X
regardless of the test compiler used (I tried ICC and Clang).

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