1 files changed, 2 insertions, 1 deletions
diff --git a/src/qml/memory/qv4heap_p.h b/src/qml/memory/qv4heap_p.h
index f327388355..316b89b829 100644
--- a/src/qml/memory/qv4heap_p.h
+++ b/src/qml/memory/qv4heap_p.h
@@ -75,7 +75,8 @@ struct VTable
     uint isFunctionObject : 1;
     uint isErrorObject : 1;
     uint isArrayData : 1;
-    uint unused : 18;
+    uint isStringOrSymbol : 1;
+    uint unused : 17;
     uint type : 8;
     const char *className;
     void (*destroy)(Heap::Base *);