--- /dev/null	2018-04-28 00:26:07.190086997 -0400
+++ new/src/jdk.jdeps/share/classes/com/sun/tools/classfile/NestHost_attribute.java	2018-05-18 03:27:32.803392074 -0400
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018, 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 com.sun.tools.classfile;
+
+import com.sun.tools.classfile.ConstantPool.CONSTANT_Class_info;
+
+import java.io.IOException;
+
+/**
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+public class NestHost_attribute extends Attribute {
+    NestHost_attribute(ClassReader cr, int name_index, int length) throws IOException {
+        super(name_index, length);
+        top_index = cr.readUnsignedShort();
+    }
+
+    public NestHost_attribute(ConstantPool constant_pool, int signature_index)
+            throws ConstantPoolException {
+        this(constant_pool.getUTF8Index(Attribute.Signature), signature_index);
+    }
+
+    public NestHost_attribute(int name_index, int top_index) {
+        super(name_index, 2);
+        this.top_index = top_index;
+    }
+
+    public CONSTANT_Class_info getNestTop(ConstantPool constant_pool) throws ConstantPoolException {
+        return constant_pool.getClassInfo(top_index);
+    }
+
+    public <R, D> R accept(Visitor<R, D> visitor, D data) {
+        return visitor.visitNestHost(this, data);
+    }
+
+    public final int top_index;
+}