Improve performance of property binding evaluation

Improves performance of binding evaluation by ~20% for
simple C++ bindings by simplifying and inlining the code
that clears the array of property observers.

Change-Id: I829ac1895f1673367d737944d950360015a5b435
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/kernel/qproperty.h b/src/corelib/kernel/qproperty.h
index 4a323fe8fe..994eb24cea 100644
--- a/src/corelib/kernel/qproperty.h
+++ b/src/corelib/kernel/qproperty.h
@@ -607,7 +607,7 @@ public:
         ObserverNotifiesAlias,
     };
 
-    QPropertyObserver();
+    QPropertyObserver() = default;
     QPropertyObserver(QPropertyObserver &&other);
     QPropertyObserver &operator=(QPropertyObserver &&other);
     ~QPropertyObserver();