1 files changed, 6 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/bytecode/CodeBlock.h b/Source/JavaScriptCore/bytecode/CodeBlock.h
index c1772c3bf..ccaca3373 100644
--- a/Source/JavaScriptCore/bytecode/CodeBlock.h
+++ b/Source/JavaScriptCore/bytecode/CodeBlock.h
@@ -449,6 +449,12 @@ namespace JSC {
             ASSERT(needsFullScopeChain());
             return m_activationRegister;
         }
+        int uncheckedActivationRegister()
+        {
+            if (!needsFullScopeChain())
+                return InvalidVirtualRegister;
+            return activationRegister();
+        }
         bool usesArguments() const { return m_argumentsRegister != -1; }
         
         bool needsActivation() const