--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/c2/Test8007722.java Tue Jul 12 18:24:48 2016 +0300
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2013, 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 8007722
+ * @summary GetAndSetP's MachNode should capture bottom type
+ *
+ * @run main/othervm -XX:-UseOnStackReplacement -XX:-BackgroundCompilation
+ * compiler.c2.Test8007722
+ */
+
+package compiler.c2;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+public class Test8007722 {
+
+ int i;
+ static AtomicReference<Test8007722> ref;
+
+ static int test(Test8007722 new_obj) {
+ Test8007722 o = ref.getAndSet(new_obj);
+ int ret = o.i;
+ o.i = 5;
+ return ret;
+ }
+
+ static public void main(String[] args) {
+ Test8007722 obj = new Test8007722();
+ ref = new AtomicReference<Test8007722>(obj);
+
+ for (int i = 0; i < 20000; i++) {
+ test(obj);
+ }
+
+ System.out.println("PASSED");
+ }
+}