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1--- a/src/qml/jsruntime/qv4qobjectwrapper.cpp
2+++ b/src/qml/jsruntime/qv4qobjectwrapper.cpp
3@@ -1583,10 +1583,9 @@
4 o->deleteLater();
5 } else {
6 // If the object is C++-owned, we still have to release the weak reference we have
7- // to it.
8- ddata->jsWrapper.clear();
9- if (lastCall && ddata->propertyCache)
10- ddata->propertyCache.reset();
11+ // to it. If the "main" wrapper is not ours, we should leave it alone, though.
12+ if (ddata->jsWrapper.as<QObjectWrapper>() == this)
13+ ddata->jsWrapper.clear();
14 }
15 }
16 }