Fix crash when changing from a simple to a sparse array

After that change, if we ran out of slots in the freeList,
the last entry would point to the first Value in the value
array, not indicating that we ran out of free slots.

Task-number: QTBUG-65828
Change-Id: I3e57bb7a0c2dc29172a485a6ea957b6ab5ac962e

1 files changed, 1 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4sparsearray_p.h b/src/qml/jsruntime/qv4sparsearray_p.h
index 6dca1e1a34..ca6abcda89 100644
--- a/src/qml/jsruntime/qv4sparsearray_p.h
+++ b/src/qml/jsruntime/qv4sparsearray_p.h
@@ -151,7 +151,7 @@ struct Q_QML_EXPORT SparseArray
 
     SparseArray(const SparseArray &other);
 
-    ReturnedValue freeList = 0;
+    ReturnedValue freeList;
 private:
     SparseArray &operator=(const SparseArray &other);