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diff --git a/Source/JavaScriptCore/bytecode/ProxyableAccessCase.cpp b/Source/JavaScriptCore/bytecode/ProxyableAccessCase.cpp
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+++ b/Source/JavaScriptCore/bytecode/ProxyableAccessCase.cpp
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+/*
+ * Copyright (C) 2017 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. ``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
+ * 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 "ProxyableAccessCase.h"
+
+#if ENABLE(JIT)
+
+namespace JSC {
+
+ProxyableAccessCase::ProxyableAccessCase(VM& vm, JSCell* owner, AccessType accessType, PropertyOffset offset, Structure* structure, const ObjectPropertyConditionSet& conditionSet, bool viaProxy, WatchpointSet* additionalSet)
+    : Base(vm, owner, accessType, offset, structure, conditionSet)
+    , m_viaProxy(viaProxy)
+    , m_additionalSet(additionalSet)
+{
+}
+
+std::unique_ptr<AccessCase> ProxyableAccessCase::create(VM& vm, JSCell* owner, AccessType type, PropertyOffset offset, Structure* structure, const ObjectPropertyConditionSet& conditionSet, bool viaProxy, WatchpointSet* additionalSet)
+{
+    ASSERT(type == Load || type == Miss || type == GetGetter);
+    return std::unique_ptr<AccessCase>(new ProxyableAccessCase(vm, owner, type, offset, structure, conditionSet, viaProxy, additionalSet));
+}
+
+ProxyableAccessCase::~ProxyableAccessCase()
+{
+}
+
+std::unique_ptr<AccessCase> ProxyableAccessCase::clone() const
+{
+    std::unique_ptr<ProxyableAccessCase> result(new ProxyableAccessCase(*this));
+    result->resetState();
+    return WTFMove(result);
+}
+
+void ProxyableAccessCase::dumpImpl(PrintStream& out, CommaPrinter& comma) const
+{
+    Base::dumpImpl(out, comma);
+    out.print(comma, "viaProxy = ", viaProxy());
+    out.print(comma, "additionalSet = ", RawPointer(additionalSet()));
+}
+
+} // namespace JSC
+
+#endif // ENABLE(JIT)