[I] Starting Purify'd c:\qt\projects\qtbug22296\debug\qtbug22296.exe at 1/14/2014 14:44:16
    [I] Starting main
    [W] UMR: Uninitialized memory read in QEvent::QEvent(Type::QEvent) {1 occurrence}
    [I] Starting thread 0x10a8: myThread(void *)
    [I] Starting thread 0xfb8: myThread(void *)
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {2 occurrences}
        Reading 4 bytes from 0x065746b0 (4 bytes at 0x065746b0 uninitialized)
        Address 0x065746b0 is 40 bytes into a 80 byte block at 0x06574688
        Address 0x065746b0 points to a malloc'd block in heap 0x06670000
        Thread ID: 0x10a8
        Error location
        QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\wtf\ptrandflags.h:46]
                void set(T* ptr)
                {
                    ASSERT(!(reinterpret_cast<intptr_t>(ptr) & 3));
     =>             m_ptrAndFlags = reinterpret_cast<intptr_t>(ptr) | (m_ptrAndFlags & 3);
        #ifndef NDEBUG
                    m_leaksPtr = ptr;
        #endif
        QTJSC::StructureTransitionTable::StructureTransitionTable(void) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\structuretransitiontable.h:104]
                };
            public:
                StructureTransitionTable() {
     =>             m_transitions.m_singleTransition.set(0);
                    m_transitions.m_singleTransition.setFlag(usingSingleSlot);
                }
        
        QTJSC::Structure::Structure(JSValue::QTJSC,TypeInfo::QTJSC const&) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\structure.cpp:137]
            , m_hasGetterSetterProperties(false)
            , m_attributesInPrevious(0)
            , m_specificFunctionThrashCount(0)
     => {
            ASSERT(m_prototype);
            ASSERT(m_prototype.isObject() || m_prototype.isNull());
        
        QTJSC::Structure::create(JSValue::QTJSC,TypeInfo::QTJSC const&) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\structure.h:65]
                friend class StructureTransitionTable;
                static PassRefPtr<Structure> create(JSValue prototype, const TypeInfo& typeInfo)
                {
     =>             return adoptRef(new Structure(prototype, typeInfo));
                }
        
                static void startIgnoringLeaks();
        QTJSC::JSArray::createStructure(JSValue::QTJSC) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\jsarray.h:91]
        
                static PassRefPtr<Structure> createStructure(JSValue prototype)
                {
     =>             return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
                }
        
                inline void markChildrenDirect(MarkStack& markStack);
        QTJSC::JSGlobalData::storeVPtrs(void) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\jsglobaldata.cpp:85]
            void* storage = &cell;
        
            COMPILE_ASSERT(sizeof(JSArray) <= sizeof(CollectorCell), sizeof_JSArray_must_be_less_than_CollectorCell);
     =>     JSCell* jsArray = new (storage) JSArray(JSArray::createStructure(jsNull()));
            JSGlobalData::jsArrayVPtr = jsArray->vptr();
            jsArray->~JSCell();
        
        QTJSC::initializeThreadingOnce [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\initializethreading.cpp:52]
        QTJSC::initializeThreading(void) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\initializethreading.cpp:66]
        #else
            static bool initializedThreading = false;
            if (!initializedThreading) {
     =>         initializeThreadingOnce();
                initializedThreading = true;
            }
        #endif
        QScriptEnginePrivate::QScriptEnginePrivate(void) [c:\qt\qt-5-vs\qt\qtscript\src\script\api\qscriptengine.cpp:988]
                qFatal("QScriptEngine: Must construct a Q(Core)Application before a QScriptEngine");
                return;
            }
     =>     JSC::initializeThreading();
            JSC::IdentifierTable *oldTable = JSC::currentIdentifierTable();
            globalData = JSC::JSGlobalData::create().releaseRef();
            globalData->clientData = new QScript::GlobalClientData(this);
        QScriptEngine::QScriptEngine(void) [c:\qt\qt-5-vs\qt\qtscript\src\script\api\qscriptengine.cpp:2048]
        Allocation location
        malloc         [f:\dd\vctools\crt_bld\self_x86\crt\src\dbgmalloc.c:55]
        QTWTF::fastMalloc(UINT) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\wtf\fastmalloc.cpp:244]
            void* result;
            returnValue.getValue(result);
        #else
     =>     void* result = malloc(n);
        #endif
        
            if (!result)
        QTWTF::FastAllocBase::new(UINT) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\wtf\fastallocbase.h:96]
        
                void* operator new(size_t size)
                {
     =>             void* p = fastMalloc(size);
                    fastMallocMatchValidateMalloc(p, Internal::AllocTypeClassNew);
                    return p;
                }
        QTJSC::Structure::create(JSValue::QTJSC,TypeInfo::QTJSC const&) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\structure.h:65]
                friend class StructureTransitionTable;
                static PassRefPtr<Structure> create(JSValue prototype, const TypeInfo& typeInfo)
                {
     =>             return adoptRef(new Structure(prototype, typeInfo));
                }
        
                static void startIgnoringLeaks();
        QTJSC::JSArray::createStructure(JSValue::QTJSC) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\jsarray.h:91]
        
                static PassRefPtr<Structure> createStructure(JSValue prototype)
                {
     =>             return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
                }
        
                inline void markChildrenDirect(MarkStack& markStack);
        QTJSC::JSGlobalData::storeVPtrs(void) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\jsglobaldata.cpp:85]
            void* storage = &cell;
        
            COMPILE_ASSERT(sizeof(JSArray) <= sizeof(CollectorCell), sizeof_JSArray_must_be_less_than_CollectorCell);
     =>     JSCell* jsArray = new (storage) JSArray(JSArray::createStructure(jsNull()));
                        JSGlobalData::jsArrayVPtr = jsArray->vptr();
                        jsArray->~JSCell();
                    
                QTJSC::initializeThreadingOnce [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\initializethreading.cpp:52]
                    {
                        WTF::initializeThreading();
                        initializeUString();
                 =>     JSGlobalData::storeVPtrs();
                    #if ENABLE(JSC_MULTIPLE_THREADS)
                        s_dtoaP5Mutex = new Mutex;
                        initializeDates();
                QTJSC::initializeThreading(void) [c:\qt\qt-5-vs\qt\qtscript\src\3rdparty\javascriptcore\javascriptcore\runtime\initializethreading.cpp:66]
                    #else
                        static bool initializedThreading = false;
                        if (!initializedThreading) {
                 =>         initializeThreadingOnce();
                            initializedThreading = true;
                        }
                    #endif
                QScriptEnginePrivate::QScriptEnginePrivate(void) [c:\qt\qt-5-vs\qt\qtscript\src\script\api\qscriptengine.cpp:988]
                            qFatal("QScriptEngine: Must construct a Q(Core)Application before a QScriptEngine");
                            return;
                        }
                 =>     JSC::initializeThreading();
                        JSC::IdentifierTable *oldTable = JSC::currentIdentifierTable();
                        globalData = JSC::JSGlobalData::create().releaseRef();
                        globalData->clientData = new QScript::GlobalClientData(this);
                QScriptEngine::QScriptEngine(void) [c:\qt\qt-5-vs\qt\qtscript\src\script\api\qscriptengine.cpp:2048]
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {2 occurrences}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [I] Starting thread 0xac8: qt_adopted_thread_watcher_function(void *)
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {2 occurrences}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [W] UMR: Uninitialized memory read in QTWTF::PtrAndFlagsBase<Structure::QTJSC,UsingSingleSlot::StructureTransitionTable::QTJSC>::set(Structure::QTJSC *) {1 occurrence}
    [E] EXU: Unhandled exception in QTWTF::Vector<UINT,16>::removeLast(void) {1 occurrence}