3 files changed, 15 insertions, 6 deletions
diff --git a/src/qml/types/qqmldelegatemodel.cpp b/src/qml/types/qqmldelegatemodel.cpp
index 6915ab6e89..2cfb740ebf 100644
--- a/src/qml/types/qqmldelegatemodel.cpp
+++ b/src/qml/types/qqmldelegatemodel.cpp
@@ -3347,12 +3347,13 @@ public:
         return object.asReturnedValue();
     }
 
-    static QV4::ReturnedValue get(const QV4::Managed *m, QV4::String *name, bool *hasProperty)
+    static QV4::ReturnedValue get(const QV4::Managed *m, QV4::StringOrSymbol *name, bool *hasProperty)
     {
         Q_ASSERT(m->as<QQmlDelegateModelGroupChangeArray>());
         const QQmlDelegateModelGroupChangeArray *array = static_cast<const QQmlDelegateModelGroupChangeArray *>(m);
 
-        if (name->equals(array->engine()->id_length())) {
+        name->makeIdentifier();
+        if (name->identifier() == array->engine()->id_length()->identifier()) {
             if (hasProperty)
                 *hasProperty = true;
             return QV4::Encode(array->count());
diff --git a/src/qml/types/qqmllistmodel.cpp b/src/qml/types/qqmllistmodel.cpp
index fd54a51b1d..40e0ec48c3 100644
--- a/src/qml/types/qqmllistmodel.cpp
+++ b/src/qml/types/qqmllistmodel.cpp
@@ -1474,8 +1474,12 @@ void ModelNodeMetaObject::emitDirectNotifies(const int *changedRoles, int roleCo
 
 namespace QV4 {
 
-bool ModelObject::put(Managed *m, String *name, const Value &value)
+bool ModelObject::put(Managed *m, StringOrSymbol *n, const Value &value)
 {
+    if (n->isSymbol())
+        return Object::put(m, n, value);
+    String *name = static_cast<String *>(n);
+
     ModelObject *that = static_cast<ModelObject*>(m);
 
     ExecutionEngine *eng = that->engine();
@@ -1491,8 +1495,12 @@ bool ModelObject::put(Managed *m, String *name, const Value &value)
     return true;
 }
 
-ReturnedValue ModelObject::get(const Managed *m, String *name, bool *hasProperty)
+ReturnedValue ModelObject::get(const Managed *m, StringOrSymbol *n, bool *hasProperty)
 {
+    if (n->isSymbol())
+        return Object::get(m, n, hasProperty);
+    String *name = static_cast<String *>(n);
+
     const ModelObject *that = static_cast<const ModelObject*>(m);
     const ListLayout::Role *role = that->d()->m_model->m_listModel->getExistingRole(name);
     if (!role)
diff --git a/src/qml/types/qqmllistmodel_p_p.h b/src/qml/types/qqmllistmodel_p_p.h
index 99e9b30aff..428afb952f 100644
--- a/src/qml/types/qqmllistmodel_p_p.h
+++ b/src/qml/types/qqmllistmodel_p_p.h
@@ -183,8 +183,8 @@ struct ModelObject : public QObjectWrapper {
 
 struct ModelObject : public QObjectWrapper
 {
-    static bool put(Managed *m, String *name, const Value& value);
-    static ReturnedValue get(const Managed *m, String *name, bool *hasProperty);
+    static bool put(Managed *m, StringOrSymbol *name, const Value& value);
+    static ReturnedValue get(const Managed *m, StringOrSymbol *name, bool *hasProperty);
     static void advanceIterator(Managed *m, ObjectIterator *it, Value *name, uint *index, Property *p, PropertyAttributes *attributes);
 
     V4_OBJECT2(ModelObject, QObjectWrapper)