Prevent the root object from being garbage collected.

Passing the root object as a return value from a C++ function could
cause the indestructible flag to be set to false.

Change-Id: Ib70c666f0d0ffbb48bca1996c2517fbccafa5dc1
Reviewed-by: Chris Adams <christopher.adams@nokia.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/qml/qml/v8/qqmlbuiltinfunctions.cpp b/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
index 57a1cb0dcb..c8f178db08 100644
--- a/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
+++ b/src/qml/qml/v8/qqmlbuiltinfunctions.cpp
@@ -1097,7 +1097,9 @@ v8::Handle<v8::Value> createQmlObject(const v8::Arguments &args)
 
     QObject *obj = component.beginCreate(effectiveContext);
     if (obj) {
-        QQmlData::get(obj, true)->setImplicitDestructible();
+        QQmlData::get(obj, true)->explicitIndestructibleSet = false;
+        QQmlData::get(obj)->indestructible = false;
+
 
         obj->setParent(parentArg);
 
@@ -1208,7 +1210,9 @@ v8::Handle<v8::Value> createComponent(const v8::Arguments &args)
     QUrl url = context->resolvedUrl(QUrl(arg));
     QQmlComponent *c = new QQmlComponent(engine, url, compileMode, parentArg);
     QQmlComponentPrivate::get(c)->creationContext = effectiveContext;
-    QQmlData::get(c, true)->setImplicitDestructible();
+    QQmlData::get(c, true)->explicitIndestructibleSet = false;
+    QQmlData::get(c)->indestructible = false;
+
     return v8engine->newQObject(c);
 }