--- /dev/null	2019-02-07 10:57:10.613999929 +0100
+++ new/test/jdk/tools/jlink/plugins/strip-native-debug-symbols/src/fib/FibJNI.java	2019-02-07 17:49:20.027593388 +0100
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2019, Red Hat, Inc
+ * 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 fib;
+public class FibJNI {
+
+    static {
+        // Native lib used for debug symbols stripping
+        System.loadLibrary("Fib");
+    }
+
+    private final int num;
+    private final long expected;
+
+    public FibJNI(int num, long expected) {
+        this.num = num;
+        this.expected = expected;
+    }
+
+    public void callNative() {
+        callJNI(this, num);
+    }
+
+    // Called from JNI library libFib
+    private void callback(long val) {
+        System.out.println("Debug: result was: " + val);
+        if (val != expected) {
+            throw new RuntimeException("Expected " + expected + " but got: " +val);
+        }
+    }
+
+    public static native void callJNI(Object target, int num);
+
+    public static void main(String[] args) {
+        if (args.length != 2) {
+            System.err.println("Usage: " + FibJNI.class.getName() + " <input> <expectedResult>");
+        }
+        int input = Integer.parseInt(args[0]);
+        long expected = Long.parseLong(args[1]);
+        FibJNI fib = new FibJNI(input, expected);
+        fib.callNative();
+        System.out.println("DEBUG: Sanity check for " + FibJNI.class.getSimpleName() + " passed.");
+    }
+}