Skip superfluous property capture attempt

If a QQmlProperyBinding tries to capture a QProperty, there is nothing
to do as the dependency tracking happens in C++ anyway. Thus we can
avoid calling captureProperty.

Pick-to: 6.2
Change-Id: I96b2876d4b2ba10b00af8342be9beae660a95ef3
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/qml/qml/qqmlexpression_p.h b/src/qml/qml/qqmlexpression_p.h
index 3df839a6a2..26c0cddb9e 100644
--- a/src/qml/qml/qqmlexpression_p.h
+++ b/src/qml/qml/qqmlexpression_p.h
@@ -76,6 +76,7 @@ public:
     QVariant value(bool *isUndefined = nullptr);
 
     QV4::ReturnedValue v4value(bool *isUndefined = nullptr);
+    bool mustCaptureBindableProperty() const final {return true;}
 
     static inline QQmlExpressionPrivate *get(QQmlExpression *expr);
     static inline QQmlExpression *get(QQmlExpressionPrivate *expr);