--- old/test/test/lib/jdk/test/lib/jfr/RecurseThread.java	2019-09-25 13:01:05.491567962 +0300
+++ /dev/null	2019-06-26 20:30:32.375097000 +0300
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2013, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.test.lib.jfr;
-
-import jdk.test.lib.Asserts;
-
-public class RecurseThread extends Thread {
-
-    public int totalDepth;
-    public long dummy = 0; // Just to make sure the optimizer does not remove the test code.
-    private volatile boolean timeToQuit = false;
-    private volatile boolean isInRunLoop = false;
-
-    public RecurseThread(int totalDepth) {
-        this.totalDepth = totalDepth;
-    }
-
-    @Override
-    public void run() {
-        // totalDepth includes functions run() and recurse() and runloop().
-        // Remove 3 from totalDepth when recursing.
-        final int minDepth = 3;
-        Asserts.assertGreaterThanOrEqual(totalDepth, minDepth, "totalDepth too small");
-        int recurseDepth = totalDepth - minDepth;
-
-        // We want the last function before runloop() to be recurseA().
-        boolean startWithRecurseA = (totalDepth % 2) != 0;
-        dummy = startWithRecurseA ? recurseA(recurseDepth) : recurseB(recurseDepth);
-    }
-
-    public void quit() {
-        timeToQuit = true;
-    }
-
-    public boolean isInRunLoop() {
-        return isInRunLoop;
-    }
-
-    private long recurseA(int depth) {
-        if (depth == 0) {
-            return recurseEnd();
-        } else {
-            return recurseB(depth - 1);
-        }
-    }
-
-    private long recurseB(int depth) {
-        if (depth == 0) {
-            return recurseEnd();
-        } else {
-            return recurseA(depth - 1);
-        }
-    }
-
-    // Test expects this function to be at the top of the stack.
-    // We should not call other functions from here.
-    private long recurseEnd() {
-        isInRunLoop = true;
-        long[] dummyTable = new long[] { 0, 2, 4, 8, 16 };
-        long dummyTotal = 0;
-        while (!timeToQuit) {
-            dummyTotal = 0;
-            for (int i = 0; i < 5; ++i) {
-                dummyTotal += dummyTable[i];
-            }
-        }
-        return dummyTotal;
-    }
-
-}