--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/compiler/arraycopy/TestEliminatedCloneBadMemEdge.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2016, Red Hat, Inc. 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 8166836
+ * @summary Elimination of clone's ArrayCopyNode may make compilation fail silently
+ * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestEliminatedCloneBadMemEdge::not_inlined TestEliminatedCloneBadMemEdge
+ *
+ */
+
+public class TestEliminatedCloneBadMemEdge implements Cloneable {
+
+ int f1;
+ int f2;
+ int f3;
+ int f4;
+ int f5;
+ int f6;
+ int f7;
+ int f8;
+ int f9;
+
+ static void not_inlined() {}
+
+ static void test(TestEliminatedCloneBadMemEdge o1) throws CloneNotSupportedException {
+ TestEliminatedCloneBadMemEdge o2 = (TestEliminatedCloneBadMemEdge)o1.clone();
+ not_inlined();
+ o2.f1 = 0x42;
+ }
+
+ static public void main(String[] args) throws CloneNotSupportedException {
+ TestEliminatedCloneBadMemEdge o1 = new TestEliminatedCloneBadMemEdge();
+ for (int i = 0; i < 20000; i++) {
+ test(o1);
+ }
+ }
+}