Merge branch '4.7' of scm.dev.nokia.troll.no:qt/qt-qml into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/qt-qml:
  Autotest for QVariant value types
  Fix memory leak
  Clarify Component.createObject(null) behavior.

2 files changed, 9 insertions, 0 deletions

diff --git a/src/declarative/qml/qdeclarativecomponent.cpp b/src/declarative/qml/qdeclarativecomponent.cpp
index e2cbdcf..f716f85 100644
--- a/src/declarative/qml/qdeclarativecomponent.cpp
+++ b/src/declarative/qml/qdeclarativecomponent.cpp
@@ -627,6 +627,10 @@ QDeclarativeComponent::QDeclarativeComponent(QDeclarativeComponentPrivate &dd, Q
     must provide a valid \a parent value or set the returned object's \l{Item::parent}{parent} 
     property, or else the object will not be visible.
 
+    If a \a parent is not provided to createObject(), a reference to the returned object must be held so that
+    it is not destroyed by the garbage collector.  This is regardless of Item.parent being set afterwards,
+    since setting the Item parent does not change object ownership; only the graphical parent is changed.
+
     Dynamically created instances can be deleted with the \c destroy() method.
     See \l {Dynamic Object Management in QML} for more information.
 */
diff --git a/src/declarative/qml/qdeclarativevme.cpp b/src/declarative/qml/qdeclarativevme.cpp
index 6d49625..fb07bef 100644
--- a/src/declarative/qml/qdeclarativevme.cpp
+++ b/src/declarative/qml/qdeclarativevme.cpp
@@ -938,8 +938,13 @@ QObject *QDeclarativeVME::run(QDeclarativeVMEStack<QObject *> &stack,
 
     if (bindValues.count)
         ep->bindValues << bindValues;
+    else if (bindValues.values)
+        bindValues.clear();
+
     if (parserStatus.count)
         ep->parserStatus << parserStatus;
+    else if (parserStatus.values)
+        parserStatus.clear();
 
     Q_ASSERT(stack.count() == 1);
     return stack.top();