Imported WebKit commit bb52bf3c0119e8a128cd93afe5572413a8617de9 (http://svn.webkit.org/repository/webkit/trunk@108790)

1 files changed, 8 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/WriteBarrier.h b/Source/JavaScriptCore/runtime/WriteBarrier.h
index 6ac52b7c7..7e9db12fb 100644
--- a/Source/JavaScriptCore/runtime/WriteBarrier.h
+++ b/Source/JavaScriptCore/runtime/WriteBarrier.h
@@ -26,6 +26,7 @@
 #ifndef WriteBarrier_h
 #define WriteBarrier_h
 
+#include "GCAssertions.h"
 #include "HandleTypes.h"
 #include "Heap.h"
 #include "SamplingCounter.h"
@@ -73,6 +74,13 @@ public:
         validateCell(value);
         setEarlyValue(globalData, owner, value);
     }
+    
+    // This is meant to be used like operator=, but is called copyFrom instead, in
+    // order to kindly inform the C++ compiler that its advice is not appreciated.
+    void copyFrom(const WriteBarrierBase<T>& other)
+    {
+        m_cell = other.m_cell;
+    }
 
     void setMayBeNull(JSGlobalData& globalData, const JSCell* owner, T* value)
     {