--- /dev/null	2018-04-28 00:26:07.190086997 -0400
+++ new/test/jdk/java/lang/reflect/Nestmates/Hosts.java	2018-05-22 05:26:38.741965246 -0400
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017, 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.
+ *
+ * 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.
+ */
+
+// Non-public classes so we can keep them all in this one source file
+
+class HostOfMemberNoHost {
+    // Missing NestHost attribute
+    static class MemberNoHost {}
+}
+
+class HostOfMemberMissingHost {
+    // Missing NestHost class
+    static class MemberMissingHost {}
+}
+
+class HostOfMemberNotInstanceHost {
+    // Invalid NestHost class (not instance class)
+    static class MemberNotInstanceHost {
+        Object[] oa; // create CP entry to use in jcod change
+    }
+}
+
+class HostOfMemberNotOurHost {
+    // Valid but different NestHost class
+    static class MemberNotOurHost {}
+}
+
+class HostOfMemberMalformedHost {
+    // Malformed NestHost class
+    static class MemberMalformedHost {}
+}
+
+// Host lists itself as a member along
+// with real member.
+class HostWithSelfMember {
+    static class Member {}
+}
+
+// Host lists duplicate members.
+class HostWithDuplicateMembers {
+    static class Member1 {}
+    static interface Member2 {}
+}