--- /dev/null	2019-05-31 08:55:25.000000000 -0700
+++ new/test/hotspot/jtreg/compiler/jvmci/jdk.vm.ci.hotspot.test/src/jdk/vm/ci/hotspot/test/TestTranslatedException.java	2019-05-31 08:55:25.000000000 -0700
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2019, 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.vm.ci.hotspot.test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestTranslatedException {
+
+    private static String printToString(Throwable throwable) {
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        try (PrintStream ps = new PrintStream(baos)) {
+            throwable.printStackTrace(ps);
+        }
+        return baos.toString();
+    }
+
+    @SuppressWarnings("serial")
+    public static class Untranslatable extends RuntimeException {
+        public Untranslatable(String message, Throwable cause) {
+            super(message, cause);
+        }
+    }
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public void encodeDecodeTest() throws Exception {
+
+        Class<?> translatedExceptionClass = Class.forName("jdk.vm.ci.hotspot.TranslatedException");
+
+        Method encode = translatedExceptionClass.getDeclaredMethod("encodeThrowable", Throwable.class);
+        Method decode = translatedExceptionClass.getDeclaredMethod("decodeThrowable", String.class);
+        encode.setAccessible(true);
+        decode.setAccessible(true);
+
+        Throwable throwable = new ExceptionInInitializerError(new InvocationTargetException(new Untranslatable("test exception", new NullPointerException()), "invoke"));
+        for (int i = 0; i < 10; i++) {
+            throwable = new ExceptionInInitializerError(new InvocationTargetException(new RuntimeException(String.valueOf(i), throwable), "invoke"));
+        }
+        String before = printToString(throwable);
+        String encoding = (String) encode.invoke(null, throwable);
+        Throwable decoded = (Throwable) decode.invoke(null, encoding);
+        String after = printToString(decoded);
+
+        after = after.replace(
+                        "jdk.vm.ci.hotspot.TranslatedException: [java.lang.ClassNotFoundException: jdk/vm/ci/hotspot/test/TestTranslatedException$Untranslatable]",
+                        "jdk.vm.ci.hotspot.test.TestTranslatedException$Untranslatable: test exception");
+
+        Assert.assertEquals("before:\n" + before + "\nafter:\n" + after, before, after);
+    }
+}