diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/sun/misc/EscapePath.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/misc/EscapePath.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2000, 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.
+ */
+
+/*
+/* @test
+ * @bug 4359123
+ * @summary  Test loading of classes with # in the path
+ */
+import java.io.*;
+
+public class EscapePath {
+
+    private static String testPath;
+
+    static {
+        testPath = System.getProperty("test.src");
+        if (testPath == null)
+            testPath = "";
+        else
+            testPath = testPath + File.separator;
+    }
+
+    public static void main(String[] args) throws Exception {
+        createTestDir();
+        copyClassFile();
+        invokeJava();
+        eraseTestDir();
+    }
+
+    private static void createTestDir() throws Exception {
+        File testDir = new File("a#b");
+        boolean result = testDir.mkdir();
+    }
+
+    private static void eraseTestDir() throws Exception {
+        File classFile = new File("a#b/Hello.class");
+        classFile.delete();
+        File testDir = new File("a#b");
+        testDir.delete();
+    }
+
+    private static void copyClassFile() throws Exception {
+        FileInputStream fis = new FileInputStream(testPath + "Hello.class");
+        FileOutputStream fos = new FileOutputStream("a#b/Hello.class");
+
+        int bytesRead;
+        byte buf[] = new byte[410];
+        do {
+            bytesRead = fis.read(buf);
+            if (bytesRead > 0)
+                fos.write(buf, 0, bytesRead);
+        } while (bytesRead != -1);
+        fis.close();
+        fos.flush();
+        fos.close();
+    }
+
+    private static void invokeJava() throws Exception {
+        String command = System.getProperty("java.home") +
+                         File.separator + "bin" + File.separator +
+                         "java -classpath " + "a#b/ Hello";
+        Process p = Runtime.getRuntime().exec(command);
+        p.waitFor();
+        int result = p.exitValue();
+        if (result != 0)
+            throw new RuntimeException("Path encoding failure.");
+    }
+}