2 files changed, 5 insertions, 3 deletions
diff --git a/src/qml/jsruntime/qv4sequenceobject.cpp b/src/qml/jsruntime/qv4sequenceobject.cpp
index 5055e13223..5a1b27fda6 100644
--- a/src/qml/jsruntime/qv4sequenceobject.cpp
+++ b/src/qml/jsruntime/qv4sequenceobject.cpp
@@ -310,8 +310,10 @@ public:
             return false;
         }
 
-        if (d()->isReadOnly)
+        if (d()->isReadOnly) {
+            engine()->throwTypeError(QLatin1String("Cannot insert into a readonly container"));
             return false;
+        }
 
         if (d()->isReference) {
             if (!d()->object)
diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp
index 2f4abca4b2..93964ac76f 100644
--- a/src/qml/qml/qqmlengine.cpp
+++ b/src/qml/qml/qqmlengine.cpp
@@ -1034,8 +1034,6 @@ QQmlEngine::~QQmlEngine()
     Q_D(QQmlEngine);
     QJSEnginePrivate::removeFromDebugServer(this);
 
-    d->typeLoader.invalidate();
-
     // Emit onDestruction signals for the root context before
     // we destroy the contexts, engine, Singleton Types etc. that
     // may be required to handle the destruction signal.
@@ -1051,6 +1049,8 @@ QQmlEngine::~QQmlEngine()
 
     delete d->rootContext;
     d->rootContext = nullptr;
+
+    d->typeLoader.invalidate();
 }
 
 /*! \fn void QQmlEngine::quit()