hotspot/test/compiler/arraycopy/TestArrayCopyBadReexec.java
changeset 30185 4b08d63ac105
child 40059 c2304140ed64
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/arraycopy/TestArrayCopyBadReexec.java	Mon Mar 16 12:24:06 2015 +0100
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2015, 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 8073866
+ * @summary Fix for 8064703 may also cause stores between the allocation and arraycopy to be rexecuted after a deoptimization
+ * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestArrayCopyBadReexec
+ *
+ */
+
+public class TestArrayCopyBadReexec {
+
+    static int val;
+
+    static int[] m1(int[] src, int l) {
+        if (src == null) {
+            return null;
+        }
+        int[] dest = new int[10];
+        val++;
+        try {
+            System.arraycopy(src, 0, dest, 0, l);
+        } catch (IndexOutOfBoundsException npe) {
+        }
+        return dest;
+    }
+
+    static public void main(String[] args) {
+        int[] src = new int[10];
+        int[] res = null;
+        boolean success = true;
+
+        for (int i = 0; i < 20000; i++) {
+            m1(src, 10);
+        }
+
+        int val_before = val;
+
+        m1(src, -1);
+
+        if (val - val_before != 1) {
+            System.out.println("Bad increment: " + (val - val_before));
+            throw new RuntimeException("Test failed");
+        }
+    }
+}