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diff --git a/Source/JavaScriptCore/runtime/JSInternalPromiseConstructor.cpp b/Source/JavaScriptCore/runtime/JSInternalPromiseConstructor.cpp
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+++ b/Source/JavaScriptCore/runtime/JSInternalPromiseConstructor.cpp
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+/*
+ * Copyright (C) 2015 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "JSInternalPromiseConstructor.h"
+
+#include "JSCBuiltins.h"
+#include "JSCInlines.h"
+#include "JSInternalPromise.h"
+#include "JSInternalPromisePrototype.h"
+
+#include "JSInternalPromiseConstructor.lut.h"
+
+namespace JSC {
+
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSInternalPromiseConstructor);
+
+const ClassInfo JSInternalPromiseConstructor::s_info = { "Function", &Base::s_info, &internalPromiseConstructorTable, CREATE_METHOD_TABLE(JSInternalPromiseConstructor) };
+
+/* Source for JSInternalPromiseConstructor.lut.h
+@begin internalPromiseConstructorTable
+  internalAll  JSBuiltin DontEnum|Function 1
+@end
+*/
+
+JSInternalPromiseConstructor* JSInternalPromiseConstructor::create(VM& vm, Structure* structure, JSInternalPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
+{
+    JSInternalPromiseConstructor* constructor = new (NotNull, allocateCell<JSInternalPromiseConstructor>(vm.heap)) JSInternalPromiseConstructor(vm, structure);
+    constructor->finishCreation(vm, promisePrototype, speciesSymbol);
+    return constructor;
+}
+
+Structure* JSInternalPromiseConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+{
+    return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+}
+
+JSInternalPromiseConstructor::JSInternalPromiseConstructor(VM& vm, Structure* structure)
+    : Base(vm, structure)
+{
+}
+
+static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState* exec)
+{
+    JSGlobalObject* globalObject = exec->jsCallee()->globalObject();
+    VM& vm = exec->vm();
+    JSInternalPromise* promise = JSInternalPromise::create(vm, globalObject->internalPromiseStructure());
+    promise->initialize(exec, globalObject, exec->argument(0));
+    return JSValue::encode(promise);
+}
+
+ConstructType JSInternalPromiseConstructor::getConstructData(JSCell*, ConstructData& constructData)
+{
+    constructData.native.function = constructPromise;
+    return ConstructType::Host;
+}
+
+CallType JSInternalPromiseConstructor::getCallData(JSCell*, CallData& callData)
+{
+    callData.native.function = constructPromise;
+    return CallType::Host;
+}
+
+} // namespace JSC