StacktraceTop:
data (this=<optimized out>) at /usr/include/arm-linux-gnueabihf/qt5/QtCore/qscopedpointer.h:143
qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at /usr/include/arm-linux-gnueabihf/qt5/QtCore/qglobal.h:945
d_func (this=<optimized out>) at ../../include/QtQml/5.3.2/QtQml/private/../../../../../src/qml/qml/qqmlengine.h:158
get (e=<optimized out>) at ../../include/QtQml/5.3.2/QtQml/private/../../../../../src/qml/qml/qqmlengine_p.h:496
QQmlBoundSignalExpression::function (this=this@entry=0x15c9b00) at qml/qqmlboundsignal.cpp:191
StacktraceTop: arm-linux- gnueabihf/ qt5/QtCore/ qscopedpointer. h:143 QScopedPointer< QObjectData> > (p=...) at /usr/include/ arm-linux- gnueabihf/ qt5/QtCore/ qglobal. h:945 QtQml/5. 3.2/QtQml/ private/ ../../. ./../.. /src/qml/ qml/qqmlengine. h:158 QtQml/5. 3.2/QtQml/ private/ ../../. ./../.. /src/qml/ qml/qqmlengine_ p.h:496 lExpression: :function (this=this@ entry=0x15c9b00 ) at qml/qqmlboundsi gnal.cpp: 191
data (this=<optimized out>) at /usr/include/
qGetPtrHelper<
d_func (this=<optimized out>) at ../../include/
get (e=<optimized out>) at ../../include/
QQmlBoundSigna