1 files changed, 6 insertions, 28 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGOperations.cpp b/Source/JavaScriptCore/dfg/DFGOperations.cpp
index 0e6e2f972..dfaf5dfe8 100644
--- a/Source/JavaScriptCore/dfg/DFGOperations.cpp
+++ b/Source/JavaScriptCore/dfg/DFGOperations.cpp
@@ -209,39 +209,17 @@ EncodedJSValue DFG_OPERATION operationConvertThis(ExecState* exec, EncodedJSValu
     return JSValue::encode(JSValue::decode(encodedOp).toThisObject(exec));
 }
 
-inline JSCell* createThis(ExecState* exec, JSCell* prototype, JSFunction* constructor)
-{
-#if !ASSERT_DISABLED
-    ConstructData constructData;
-    ASSERT(constructor->methodTable()->getConstructData(constructor, constructData) == ConstructTypeJS);
-#endif
-    
-    JSGlobalData& globalData = exec->globalData();
-    NativeCallFrameTracer tracer(&globalData, exec);
-
-    Structure* structure;
-    if (prototype->isObject())
-        structure = asObject(prototype)->inheritorID(globalData);
-    else
-        structure = constructor->scope()->globalObject->emptyObjectStructure();
-    
-    return constructEmptyObject(exec, structure);
-}
-
-JSCell* DFG_OPERATION operationCreateThis(ExecState* exec, JSCell* prototype)
+JSCell* DFG_OPERATION operationCreateThis(ExecState* exec, JSCell* constructor)
 {
     JSGlobalData* globalData = &exec->globalData();
     NativeCallFrameTracer tracer(globalData, exec);
 
-    return createThis(exec, prototype, jsCast<JSFunction*>(exec->callee()));
-}
-
-JSCell* DFG_OPERATION operationCreateThisInlined(ExecState* exec, JSCell* prototype, JSCell* constructor)
-{
-    JSGlobalData* globalData = &exec->globalData();
-    NativeCallFrameTracer tracer(globalData, exec);
+#if !ASSERT_DISABLED
+    ConstructData constructData;
+    ASSERT(jsCast<JSFunction*>(constructor)->methodTable()->getConstructData(jsCast<JSFunction*>(constructor), constructData) == ConstructTypeJS);
+#endif
     
-    return createThis(exec, prototype, jsCast<JSFunction*>(constructor));
+    return constructEmptyObject(exec, jsCast<JSFunction*>(constructor)->cachedInheritorID(exec));
 }
 
 JSCell* DFG_OPERATION operationNewObject(ExecState* exec)