1 files changed, 9 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGGraph.h b/Source/JavaScriptCore/dfg/DFGGraph.h
index 4091c48f7..3e6539353 100644
--- a/Source/JavaScriptCore/dfg/DFGGraph.h
+++ b/Source/JavaScriptCore/dfg/DFGGraph.h
@@ -441,6 +441,15 @@ public:
         return m_codeBlock->usesArguments();
     }
     
+    bool isCreatedThisArgument(int operand)
+    {
+        if (!operandIsArgument(operand))
+            return false;
+        if (operandToArgument(operand))
+            return false;
+        return m_codeBlock->specializationKind() == CodeForConstruct;
+    }
+    
     unsigned numSuccessors(BasicBlock* block)
     {
         return at(block->last()).numSuccessors();