--- a/nashorn/src/jdk/nashorn/internal/ir/ReferenceNode.java	Tue Apr 02 10:51:16 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,91 +0,0 @@
-/*
- * Copyright (c) 2010, 2013, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.nashorn.internal.ir;
-
-import jdk.nashorn.internal.ir.annotations.Reference;
-import jdk.nashorn.internal.ir.visitor.NodeVisitor;
-import jdk.nashorn.internal.runtime.Source;
-
-/**
- * IR representation of a reference to another entity (function.)
- */
-public class ReferenceNode extends Node {
-    /** Node referenced. */
-    @Reference
-    private final FunctionNode reference;
-
-    /**
-     * Constructor
-     *
-     * @param source the source
-     * @param token  token
-     * @param finish finish
-     * @param reference the function node to reference
-     */
-    public ReferenceNode(final Source source, final long token, final int finish, final FunctionNode reference) {
-        super(source, token, finish);
-
-        this.reference = reference;
-    }
-
-    private ReferenceNode(final ReferenceNode referenceNode) {
-        super(referenceNode);
-
-        this.reference = referenceNode.reference;
-    }
-
-    @Override
-    protected Node copy(final CopyState cs) {
-        return new ReferenceNode(this);
-    }
-
-    @Override
-    public Node accept(final NodeVisitor visitor) {
-        if (visitor.enter(this) != null) {
-            return visitor.leave(this);
-        }
-
-        return this;
-    }
-
-    @Override
-    public void toString(final StringBuilder sb) {
-        if (reference == null) {
-            sb.append("null");
-        } else {
-            reference.toString(sb);
-        }
-    }
-
-    /**
-     * Get there function node reference that this node points tp
-     * @return a function node reference
-     */
-    public FunctionNode getReference() {
-        return reference;
-    }
-
-}