#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007f6a0fbc032d in cache (obj=0x25d5750, this=0x16a94c0) at ../../include/QtDeclarative/private/../../../src/declarative/qml/qdeclarativeengine_p.h:340
        mo = <optimized out>
        rv = <optimized out>
#2  QDeclarativePropertyCache::property (engine=<optimized out>, obj=0x25d5750, name=@0x7fff8b21a478, local=...) at qml/qdeclarativepropertycache.cpp:401
        rv = 0x0
        enginePrivate = 0x16a94c0
        cache = 0x0
        ddata = 0x1f50010
#3  0x00007f6a0fbc4d91 in QDeclarativeObjectScriptClass::queryProperty (this=0x16e1e30, obj=<optimized out>, name=@0x7fff8b21a478, flags=<optimized out>, evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:167
        enginePrivate = 0x16a94c0
#4  0x00007f6a0fbc4f7b in QDeclarativeObjectScriptClass::queryProperty (this=0x16e1e30, object=<optimized out>, name=@0x7fff8b21a478, flags=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:147
No locals.
#5  0x00007f6a0897876e in QScript::DeclarativeObjectDelegate::getOwnPropertySlot (this=0x1f73e80, object=0x7f69e985cf40, exec=0x7f69fe2c4048, propertyName=..., slot=...) at bridge/qscriptdeclarativeobject.cpp:74
        identifier = 0x7f69fe70fcd0
        p = 0x16e08c0
        flags = {i = 3}
#6  0x00007f6a0881c065 in fastGetOwnPropertySlot (slot=..., propertyName=..., exec=0x7f69fe2c4048, this=0x7f69e985cf40) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:382
No locals.
#7  QTJSC::JSValue::get (this=<optimized out>, exec=0x7f69fe2c4048, propertyName=..., slot=...) at ../3rdparty/javascriptcore/JavaScriptCore/runtime/JSObject.h:618
        prototype = <optimized out>
        cell = 0x7f69e985cf40
#8  0x00007f6a088577b8 in QTJSC::cti_op_get_by_id (args=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/jit/JITStubs.cpp:1364
        callFrame = 0x7f69fe2c4048
        slot = {m_getValue = 0x7fff8b21a568, m_slotBase = {m_ptr = 0x7f69e985cf40}, m_data = {getterFunc = 0xffffffffffffffff, valueSlot = 0xffffffffffffffff, registerSlot = 0xffffffffffffffff, index = 4294967295}, m_value = {m_ptr = 0x0}, m_offset = 18446744073709551615}
        stackFrame = @0x7fff8b21a5c0
        baseValue = {m_ptr = 0x7f69e985cf40}
        result = <optimized out>
        codeBlock = 0x25d5750
#9  0x00007f69e8e85daa in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.