1 files changed, 5 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/heap/Weak.h b/Source/JavaScriptCore/heap/Weak.h
index 3c3d1d0ce..efb2a9a56 100644
--- a/Source/JavaScriptCore/heap/Weak.h
+++ b/Source/JavaScriptCore/heap/Weak.h
@@ -151,6 +151,11 @@ template<typename T> inline WeakImpl* Weak<T>::hashTableDeletedValue()
     return reinterpret_cast<WeakImpl*>(-1);
 }
 
+template <typename T> inline bool operator==(const Weak<T>& lhs, const Weak<T>& rhs)
+{
+    return lhs.get() == rhs.get();
+}
+
 // This function helps avoid modifying a weak table while holding an iterator into it. (Object allocation
 // can run a finalizer that modifies the table. We avoid that by requiring a pre-constructed object as our value.)
 template<typename Map, typename Key, typename Value> inline void weakAdd(Map& map, const Key& key, Value value)