V4: Fix sorting of sparse arrays

setArrayData() needs to handle a nullptr argument.

Change-Id: I1ea05d9db9beb1fede6d3c068cfcf700702e8aa6
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4object_p.h b/src/qml/jsruntime/qv4object_p.h
index f3375929a3..9e901d6a34 100644
--- a/src/qml/jsruntime/qv4object_p.h
+++ b/src/qml/jsruntime/qv4object_p.h
@@ -157,7 +157,7 @@ struct Q_QML_EXPORT Object: Managed {
     const Value *propertyData(uint index) const { return d()->propertyData(index); }
 
     Heap::ArrayData *arrayData() const { return d()->arrayData; }
-    void setArrayData(ArrayData *a) { d()->arrayData.set(engine(), a->d()); }
+    void setArrayData(ArrayData *a) { d()->arrayData.set(engine(), a ? a->d() : nullptr); }
 
     void getProperty(const InternalClassEntry &entry, Property *p) const;
     void setProperty(const InternalClassEntry &entry, const Property *p);