Remove more v8::Persistent usages

Change-Id: Ifa1706e2e609ded86a8bc1a840ca2ed36b869098
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp
index 9a7b218ca7..34114ea4b9 100644
--- a/src/qml/qml/qqmlengine.cpp
+++ b/src/qml/qml/qqmlengine.cpp
@@ -1531,11 +1531,7 @@ void QQmlData::destroyed(QObject *object)
         delete extendedData;
 
     // Dispose the handle.
-    // We don't simply clear it (and wait for next gc cycle to dispose
-    // via the weak qobject reference callback) as this affects the
-    // outcomes of v8's gc statistical analysis heuristics, which can
-    // cause unnecessary growth of the old pointer space js heap area.
-    qPersistentDispose(v8object);
+    v8object = QV4::Value::undefinedValue();
 
     if (ownMemory)
         delete this;