#0  0x00007f6e0911a295 in QDeclarativePropertyCache::property (engine=<optimized out>, obj=0x2805bd0, name=@0x7fff63ce3148, local=...) at qml/qdeclarativepropertycache.cpp:398
        rv = 0x0
        enginePrivate = 0x1f3cb40
        cache = 0x0
        ddata = 0x7f6e0a83de40
#1  0x00007f6e0911ed91 in QDeclarativeObjectScriptClass::queryProperty (this=0x1f6ef40, obj=<optimized out>, name=@0x7fff63ce3148, flags=<optimized out>, evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:167
        enginePrivate = 0x1f3cb40
#2  0x00007f6e0911ef7b in QDeclarativeObjectScriptClass::queryProperty (this=0x1f6ef40, object=<optimized out>, name=@0x7fff63ce3148, flags=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:147
No locals.
#3  0x00007f6e023a276e in QScript::DeclarativeObjectDelegate::getOwnPropertySlot (this=0x2a1a890, object=0x7f6df969ef00, exec=0x7f6df970c108, propertyName=..., slot=...) at bridge/qscriptdeclarativeobject.cpp:74
        identifier = 0x7f6e0adb0cd0
        p = 0x1f6d9d0
        flags = {i = 3}
#4  0x00007f6e02246065 in fastGetOwnPropertySlot (slot=..., propertyName=..., exec=0x7f6df970c108, this=0x7f6df969ef00) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:382
No locals.
#5  QTJSC::JSValue::get (this=<optimized out>, exec=0x7f6df970c108, propertyName=..., slot=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:618
        prototype = <optimized out>
        cell = 0x7f6df969ef00
#6  0x00007f6e022817b8 in QTJSC::cti_op_get_by_id (args=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1364
        callFrame = 0x7f6df970c108
        slot = {m_getValue = 0x7fff63ce3238, m_slotBase = {m_ptr = 0x7f6df969ef00}, m_data = {getterFunc = 0xffffffffffffffff, valueSlot = 0xffffffffffffffff, registerSlot = 0xffffffffffffffff, index = 4294967295}, m_value = {m_ptr = 0x0}, m_offset = 18446744073709551615}
        stackFrame = @0x7fff63ce3290
        baseValue = {m_ptr = 0x7f6df969ef00}
        result = <optimized out>
        codeBlock = 0x2805bd0
#7  0x00007f6dedc656d6 in ?? ()
No symbol table info available.
#8  0x7fffffff00000004 in ?? ()
No symbol table info available.
#9  0x00007f6df969ef00 in ?? ()
No symbol table info available.
#10 0x00007f6e0adb6140 in ?? ()
No symbol table info available.
#11 0x0000000000000000 in ?? ()
No symbol table info available.