diff -r ef8a98bc71f8 -r c4d9d1b08e2e test/jdk/lib/testlibrary/bytecode/jdk/experimental/bytecode/Flag.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/lib/testlibrary/bytecode/jdk/experimental/bytecode/Flag.java	Fri Sep 08 10:46:46 2017 -0700
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2017, 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.experimental.bytecode;
+
+import java.util.EnumSet;
+
+public enum Flag {
+    ACC_PUBLIC(0x0001),
+    ACC_PROTECTED(0x0004),
+    ACC_PRIVATE(0x0002),
+    ACC_INTERFACE(0x0200),
+    ACC_ENUM(0x4000),
+    ACC_ANNOTATION(0x2000),
+    ACC_SUPER(0x0020),
+    ACC_ABSTRACT(0x0400),
+    ACC_VOLATILE(0x0040),
+    ACC_TRANSIENT(0x0080),
+    ACC_SYNTHETIC(0x1000),
+    ACC_STATIC(0x0008),
+    ACC_FINAL(0x0010),
+    ACC_SYNCHRONIZED(0x0020),
+    ACC_BRIDGE(0x0040),
+    ACC_VARARGS(0x0080),
+    ACC_NATIVE(0x0100),
+    ACC_STRICT(0x0800);
+
+    public int flag;
+
+    Flag(int flag) {
+        this.flag = flag;
+    }
+
+    static Flag[] parse(int flagsMask) {
+        EnumSet<Flag> flags = EnumSet.noneOf(Flag.class);
+        for (Flag f : Flag.values()) {
+            if ((f.flag & flagsMask) != 0) {
+                flags.add(f);
+            }
+        }
+        return flags.stream().toArray(Flag[]::new);
+    }
+}