--- /dev/null	2015-09-16 15:20:19.000000000 -0700
+++ new/src/java.base/share/classes/jdk.internal.jvmci.hotspot/src/jdk/internal/jvmci/hotspot/HotSpotSentinelConstant.java	2015-09-16 15:20:18.000000000 -0700
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package jdk.internal.jvmci.hotspot;
+
+import jdk.internal.jvmci.meta.*;
+
+public final class HotSpotSentinelConstant extends Value implements JavaConstant, VMConstant {
+
+    public HotSpotSentinelConstant(JavaKind kind) {
+        super(LIRKind.reference(kind));
+    }
+
+    public JavaKind getJavaKind() {
+        return (JavaKind) getLIRKind().getPlatformKind();
+    }
+
+    @Override
+    public boolean isNull() {
+        return true;
+    }
+
+    @Override
+    public boolean isDefaultForKind() {
+        return true;
+    }
+
+    @Override
+    public Object asBoxedPrimitive() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public int asInt() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public boolean asBoolean() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public long asLong() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public float asFloat() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public double asDouble() {
+        throw new IllegalArgumentException();
+    }
+
+    @Override
+    public String toString() {
+        return JavaConstant.toString(this);
+    }
+
+    @Override
+    public String toValueString() {
+        return "sentinel";
+    }
+
+    @Override
+    public int hashCode() {
+        return 13;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return o instanceof HotSpotSentinelConstant;
+    }
+}