JSC crash stacktrace

gistfile1.txt

#0  0x9c77124b in ?? ()
#1  0xb251cfff in JSC::JITCode::execute (this=0x9d5a0b54, stack=0x90609d0, callFrame=0xa5d27058, globalData=0x905ae90)
    at /home/robert/dpkg/qtwebkit-source-2.3.0/Source/JavaScriptCore/jit/JITCode.h:134
#2  0xb251a5c9 in JSC::Interpreter::execute (this=0x90609c8, program=0x9d5a0b40, callFrame=0xa5cbf39c, thisObj=0xa5cffce0)
    at /home/robert/dpkg/qtwebkit-source-2.3.0/Source/JavaScriptCore/interpreter/Interpreter.cpp:979
#3  0xb25fda0d in JSC::evaluate (exec=0xa5cbf39c, source=..., thisValue=..., returnedException=0xbfffb0d8)
    at /home/robert/dpkg/qtwebkit-source-2.3.0/Source/JavaScriptCore/runtime/Completion.cpp:75
#4  0xb0e2cd78 in WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) ()
   from /home/robert/dpkg/qtwebkit-source-2.3.0/WebKitBuild/Debug/lib/libQtWebKit.so.4
#5  0xb0e4fab6 in WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) ()
   from /home/robert/dpkg/qtwebkit-source-2.3.0/WebKitBuild/Debug/lib/libQtWebKit.so.4
#6  0xb0e4fbfc in WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) ()
   from /home/robert/dpkg/qtwebkit-source-2.3.0/WebKitBuild/Debug/lib/libQtWebKit.so.4
#7  0xb0dc7029 in WebCore::ScriptController::executeScript(WebCore::ScriptSourceCode const&) ()
   from /home/robert/dpkg/qtwebkit-source-2.3.0/WebKitBuild/Debug/lib/libQtWebKit.so.4
#8  0xb0cfa6d6 in QWebFrame::evaluateJavaScript (this=0x8fe75f0, scriptSource="processCitations(1,false);")
    at /home/robert/dpkg/qtwebkit-source-2.3.0/Source/WebKit/qt/Api/qwebframe.cpp:1487